15 - Manual de Manutenção - QY70K- I

Manual de manutenção do caminhão-guindaste QY70K-€

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Sumário

Sumário PREFÁCIO......... PREFÁCIO.................... ...................... ..................... ..................... ...................... ...................... ...................... ...................... ..................... ..................... ...................... ................ ..... V CAPÍTULO 1 INSTRUÇÕES DE SEGURANÇA DE MANUTENÇÃO E CONSERVAÇÃO CONSERVAÇÃO 1 CAPÍTULO 2 MANUTENÇÃO E CONSERVAÇÃO CONSERVAÇÃO DAS PARTES DE TRABALHO DE IÇAMENTO.................. IÇAMENTO............................. ...................... ...................... ...................... ...................... ..................... ..................... ...................... ...................... ...............4 ....4 2.1 2.1 LANÇA LANÇA DE IÇA IÇAMEN MENTO TO E MECAN MECANIS ISMO MO DE DE EXP EXPANSÃO ANSÃO E RECOL RECOLHI HIME MENT NTO.... O......5 ..5 2.1.1 FUNÇÕES DAS PARTES ARTES ...................... ................................ ..................... ...................... ...................... ...................... ...................... ......................5 ...........5 2.1.2 PRINCÍPIOS PRINCÍPIOS DE FUNCIONAMENTO............... FUNCIONAMENTO.......................... ...................... ...................... ...................... ..................... ..................5 ........5 2.1.3 UTILIZAÇÃO UTILIZAÇÃO E MANUTENÇÃO................. MANUTENÇÃO............................ ..................... ..................... ...................... ...................... ...................... ...............55 2.2 MECANI MECANISMO SMO DE ELEVAÇ ELEVAÇÃO... ÃO....... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ .....8 .8 2.2.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ......................8 ...........8 2.2.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... ...................8 ........8 2.2.3 UTILIZAÇÃO UTILIZAÇÃO E MANUTENÇÃO................. MANUTENÇÃO............................ ..................... ..................... ...................... ...................... ...................... ...............99 2.3.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................10 .........10 2.3.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... .................10 ......10 2.3.3 2.3.3 ROLAMEN ROLAMENTO TO DE SUPORTE SUPORTE DE ROTAÇÃO ROTAÇÃO E FOLGA FOLGA RADIAL....... RADIAL........... ........ ........ ........ ........ .....10 .10 2.4 MECANI MECANISMO SMO DE ROTAÇÃO...... ROTAÇÃO.......... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ 11 2.4.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................11 .........11 2.4.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... ................. ...... 11 2.4.3 UTILIZAÇÃO UTILIZAÇÃO E MANUTENÇÃO................. MANUTENÇÃO............................ ..................... ..................... ...................... ...................... ......................12 ...........12 2.5 BOMBA BOMBA HIDRÁUL HIDRÁULICA ICA ........ ............ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......13 ..13 2.5.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................13 .........13 2.5.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... .................13 ......13 2.6 MOTOR MOTOR HIDRÁUL HIDRÁULICO.. ICO...... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ .....14 .14 2.6.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................14 .........14 2.6.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... .................14 ......14 2.6.3 FALHAS COMUNS E MÉTODOS DE REPARO ...................... ................................ ..................... ...................... ...............15 ....15 2.7 VÁLVULA VÁLVULA DE AMORTEC AMORTECIME IMENTO NTO DE ROTAÇÃO ROTAÇÃO ........ ............ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......15 ..15 2.7.1 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................15 .........15 2.7.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA........... ...................... ...................... ..................... ..................... .................16 ......16 2.8 VÁLVULA VÁLVULA DE EQUILÍ EQUILÍBRI BRIO O DE ELEV ELEVAÇÃO.... AÇÃO........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......18 ..18 2.8.1 FUNÇÕES DAS PARTES ARTES ...................... ................................ ..................... ...................... ...................... ...................... ...................... ....................18 .........18 2.8.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA ...................... ................................. ..................... ..................... .................18 ......18 2.9 VÁLVULA VÁLVULA COMBINA COMBINADA DA DO DO VEÍCULO VEÍCULO ........ ............ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ .....19 .19 2.9.1 FUNÇÕES DAS PARTES ARTES ...................... ................................ ..................... ...................... ...................... ...................... ...................... ....................19 .........19 2.9.2 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA ...................... ................................. ..................... ..................... .................19 ......19

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

2.10.1 2.10.2 2.11 2.11 2.11.1 2.11.2

Sumário

FUNÇÕES DAS PARTES ARTES ...................... ................................ ..................... ...................... ...................... ...................... ...................... ....................20 .........20 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA........................... ESTRUTURA...................................... ...................... ......................20 ...........20 CILINDRO CILINDRO DE EXPANSÃO EXPANSÃO E RECOLHIMENTO... RECOLHIMENTO.............. ...................... ...................... ...................... ....................22 .........22 FUNÇÕES DAS PARTES...................... PARTES................................ ..................... ...................... ...................... ...................... ...................... ....................22 .........22 PRINCÍPIOS PRINCÍPIOS DE FUNCIONAMENTO FUNCIONAMENTO E ESTRUTURA ESTRUTURA DO CILINDRO CILINDRO TELESCÓPICO TELESCÓPICO I ..................... ................................ ...................... ...................... ...................... ..................... ..................... ...................... ...................... ...............22 22 2.11.3 PRINCÍPIOS PRINCÍPIOS DE TRABALHO E ESTRUTURA ESTRUTURA DO CILINDRO TELESCÓPI TELESCÓPICO CO Ⅱ 23 2.11.4 2.11.4 DESMONT DESMONTAGEM E MONTAGEM MONTAGEM ...................... ................................. ...................... ..................... ..................... ...................... ...............25 ....25 2.12 CILINDRO CILINDRO DE AMPLITUDE....... AMPLITUDE................. ..................... ...................... ...................... ...................... ...................... ...................... ..................25 .......25 2.12.1 FUNÇÕES DA PARTE ARTE ..................... ................................ ...................... ...................... ...................... ..................... ..................... ...................... ...............25 ....25 2.12.2 PRINCÍPIOS PRINCÍPIOS DE FUNCIONAMENTO FUNCIONAMENTO E FUNÇÕES FUNÇÕES ..................... ................................ ...................... ....................26 .........26 2.12.3 DESMONT DESMONTAGEM E MONTAGEM MONTAGEM ...................... ................................. ...................... ..................... ..................... ...................... ...............27 ....27 2.13 2.13 FIGURA FIGURA DA MANUTE MANUTENÇÃO NÇÃO E PRINCÍ PRINCÍPIO PIO DE DE TRABAL TRABALHO HO DOS DOS ELETRÔN ELETRÔNICO ICOS S ...........................................................................................................................................27 2.14 2.14 FIGURA FIGURA DO PRIN PRINCÍPI CÍPIO O DE TRABA TRABALHO LHO DO DO SISTEM SISTEMA A HIDRÁUL HIDRÁULICO ICO ........ ............ ........ .....42 .42 CAPÍTULO 3 UTILIZAÇÃO E TROCA DOS ÓLEOS ........................... ............. ........................... ........................... ................... ..... 43 3.1 ÓLEO ÓLEO HIDRÁUL HIDRÁULICO ICO ........ ............ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......44 ..44 3.2 ÓLEO ÓLEO DE ENGRENA ENGRENAGEM..... GEM......... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........45 ....45 3.3 LUBRIF LUBRIFICAN ICANTE TE.... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......45 ..45 3.4 3.4 COMP COMPAR ARAÇ AÇÃO ÃO DAS GRAX GRAXAS AS ESTRA ESTRANGE NGEIR IRAS AS COM A NACIO NACIONA NAL L ...... ......... ...... ...... ......47 ...47 3.5 3.5 TRAT TRATAMEN AMENTO TO DO ÓLEO ÓLEO INUTIL INUTILIZ IZADO ADO E DA DA SOLUÇ SOLUÇÃO ÃO ANTI-CONGELAMENTO...............................................................................................48 CAPÍTULO CAPÍTULO 4 FALHAS COMUNS E SEU MÉTODO DE SOLUCIONAMEN SOLUCIONAMENTO TO ..............49 ..............49 4.1 4.1 FALHA ALHAS S COMUNS COMUNS E SEUS MÉTO MÉTODO DOS S DE SOLUCI SOLUCIONA ONAMEN MENTO TO ...... ......... ...... ...... ...... .......... ......50 ...50 4.2 TROCA TROCA DO CABO DE AÇO............ AÇO................ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ .......56 ...56 4.2.1 CRITÉRIOS CRITÉRIOS PARA A TROCA DO CABO DE AÇO .................... ............................... ...................... ...................... ...............56 56 4.2.2 EXIGENCIAS EXIGENCIAS ANTERIORES ANTERIORES A INSTALAÇÃO INSTALAÇÃO DO CABO CABO DE AÇO ..................... .........................56 ....56 4.2.3 4.2.3 CONDIÇÕE CONDIÇÕES S DO TRABALHO TRABALHO DE TROCA TROCA DO CABO DE AÇO ........ ............ ........ ........ ........ ........ .......56 ...56 4.3 FILTRO FILTRO DO ÓLEO ÓLEO DE RETORNO. RETORNO..... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........59 ....59 4.3.1 ITENS A SEREM SEREM OBSERV OBSERVADOS NAS OPERAÇÕES..... OPERAÇÕES............... ..................... ...................... ...................... ...............59 59 4.3.2 MÉTODO MÉTODO DE TROCA ..................... ................................ ...................... ...................... ...................... ..................... ..................... ...................... ...............59 ....59 4.4 FILTRO FILTRO DE DE ÓLEO ÓLEO DE TUBUL TUBULAÇÃO AÇÃO (TROCA (TROCA DE REFIL)..... REFIL)......... ........ ........ ........ ........ ........ ........ ........ .......60 ...60 CAPÍTULO CAPÍTULO 5 ANEXO ..................... ............................... ..................... ...................... ...................... ...................... ...................... ..................... ..................... .................61 ......61 5.1 PEÇAS PEÇAS PRINCIP PRINCIPAIS...... AIS.......... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......62 ..62 5.2 PEÇAS PEÇAS FRÁGEIS... FRÁGEIS....... ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ......63 ..63 NUMERO DE PAGINAS TOTAL................................................................................................71

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Prefácio

Prefácio O presente manual de manutenção é adequado ao uso no caminhão-guindaste caminhão-guindaste QY70K-I. O presente manual descreve os métodos de manutenção e conservação do caminhãocaminhão-guinda guindaste ste (chamado (chamado abrevia abreviadamen damente te por guindaste guindaste)) QY70K -I, com o objetivo objetivo de entender mais profundamente profundamente a performance e os princípios princípios de funcionamento funcionamento das primeiras primeiras peças principais do guindaste para que se possa realizar melhor a manutenção e a conservação, fazendo-se com que o guindaste fique em excelente estado estado de funcionamento, funcionamento, aumentando sua eficiência, garantindo a segurança do trabalhos trabalhos e aumentando sua vida útil. O manual acompanha os gráficos de estrutura e de princípio de funcionamento das principais peças do guindaste. Quando for preciso fazer fazer a manutenção e trocar peças, peças, pode-se procurar no manual o código de material da peça a ser trocada. O presente manual de instruções e as demais documentações técnicas que acompanham a máquina são parte integrante do guindaste, devendo-se fazer a sua conservação adequada durante o período de vida útil útil do produto, sendo uma base importante importante para a manutenção manutenção do guindaste. As peças marcadas como tal precisam passar por manutenção realizada por um técnico especializado, não sendo permitido permitido realizar manutenções manutenções por conta própria. A nossa empresa não irá se responsabilizar pelas más consequências geradas pela manutenção que não seguir o indicado neste manual. O período de garantia do guindaste começa quando a máquina é entregue ao cliente e dura por 12 meses. Quando for preciso preciso realizar manutenção, manutenção, o técnico especializado especializado da nossa empresa vai até o local ou então o usuário deve dirigir-se a um dos pontos de manutenção indicados por nossa empresa para realizar a manutenção. A empresa se reserva o direito de alterar o conteúdo do Manual de manutenção de acordo com as modificações modificações técnicas. Caso haja qualquer qualquer alteração nós desde já nos desculpamos, contando com a compreensão compreensão dos usuários. Talvez parte dos gráficos gráficos e informações do presente manual não estejam de acordo com o produto real, o que não irá influenciar influenciar a sua utilização, de modo que o objeto real é o critério para o produto.

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Xuzhou Maquinaria de Construção Cia Ltda

Sumário

Xuzhou Maquinaria Pesada Cia Ltda

Endereço：Rua Tongsha Tongshan, n, nº165, cidade cidade de Xuzhou, Xuzhou, província província de Jiangs Jiangsu, u, China Telefone：+86-516-83462242 83462350 Fax：+86-516-83461669 Código Código Postal Postal：221004 Telefone de serviço ：+86-516-83461183 Fax de serviço ：+86-516-83461180 Telefone para peças ：+86-516-83461542 05/2011 1ªedição

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- 1

Instruções de segurança de manutenção e conservação

Capí Capítu tulo lo 1 Inst Instru ruçõ ções es de seg segur uran ança ça de man manut utenç enção ão e conservação

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- 1

Instruções de segurança de manutenção e conservação

Itens a serem observados na manutenção manutenção e conservação do do guindaste Durante a manutenção e a conservação do guindaste é preciso prestar bastante atenção à • segurança. Durante a manutenção e a conservação é preciso preciso para o trabalho com cargas ou sem cargas. cargas. É rigorosamente proibido reparar o guindaste quando o mesmo mesmo está em em funcionamento. Apenas funcionários funcionários que receberam receberam treinamento treinamento e passaram por provas, recebendo o • certificado de qualificação, podem operar com o guindaste. guindaste. Quando Quando não se está passand passandoo bem, se ingeriu ingeriu bebida bebida alcoolica alcoolica ou medicam medicamento, ento, não é • possível trabalhar normalmente, normalmente, não sendo permitido realizar realizar qualquer trabalho de reparo. Qualquer reparo inadequado ou feito de modo negligente irá causar ferimentos nos • funcionários e danos aos equipamentos. Ao conduzir o veículo é preciso respeitar as exigências das leis de trânsito locais. • Antes de fazer a manutenção do veículo, veículo, caso necessário usar as pernas de sustentação, sustentação, • certifique-se de que não há obstáculos em volta. Depois de estendidas estendidas as pernas de sustentação, não se pode fazer manutenção do sistema sistema hidráulico das mesmas. mesmas. Antes de fazer fazer a manutenção do veículo, é preciso certificar-se certificar-se de que o mesmo já foi • estacionado adequadamente,   colocando uma placa de alerta de ‚por favor , não não ope opereƒ na cabine de controle. Antes de fazer a manutenção do veículo, é preciso compreender compreender completamente a situação • do ponto onde ocorreu a falha, para evitar que ocorram ocorram perigos durante a manutenção. Ao fazer a manutenç manutenção ão do veículo, veículo, é preciso preciso usar óculos óculos de proteção, proteção, roupas roupas e botas de • proteção e demais artigos de proteção. Antes da soldagem de chapas chapas métalicas e elétrica, além de remover do local local os objetos • inflamáveis, o funcionário da manutenção manutenção deve verificar se extintores extintores de incêndio e demais equipament equipamentos os contra contra incêndio incêndio estão estão em seus devidos devidos lugares, lugares, para uso em uma eventualidade. Antes de desconect desconectar ar qualquer qualquer tubulaç tubulação, ão, conector conector ou peças peças correla correlatas, tas, primeiro primeiro deve-se deve-se • soltar a pressão da tubulação tubulação ou parte relacionada. A pressão dentro do sistema de alerta alerta

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- 1

•

Instruções de segurança de manutenção e conservação

Evite aspirar o gás dos lubrificantes. lubrificantes. Evite o contato prolongado com o lubrificante já usado. Caso ocorra tal tal contato, deve-se lavar a pele com água e sabão o mais rápido rápido possível. Caso entre nos olhos, olhos, deve-se enxaguar os mesmos com grande quantidade quantidade de água por 15 minutos e então ir para o hospital.

•

Realizar a manutenção de modo diferente do exigido causará a danificação das peças e o aumento de riscos de acidentes.

€ 

É rigorosamente proibido proibido realizar soldagem no veículo com carga elétrica. elétrica. Antes de realizar solda no veículo, deve-se retirar os cabos positivo（＋） e negativo（－） da bateria. bateria. Ao realizar realizar （＋） （－） a solda, lembre de tentar fazer com que a distância entre entre o terra e a solda seja a menor menor possível. possível. Tal distânc distância ia não pode pode ultrapa ultrapassar ssar os os 500mm, 500mm, além de de não poder poder ultrapas ultrapassar sar a placa de computad computador. or. Depois Depois de terminada terminada a solda, deve-se deve-se inserir inserir os conectores conectores acima, acima, fazendo a vedação adequada.

•

Caso a lança de içamento ou a lança auxiliar do guindaste sejam danificadas ocorrerá grave acide acidente nte.. Danos Danos de haste hastes, s, enverg envergame amento nto de eix eixos os de pinos, pinos, rachad rachadura urass de solda solda etc etc causarão o enfraquecimento enfraquecimento da resistência da treliça da lança, da lança de içamento. Verifique todos os dias se a lança está danificada ou não. Caso a lança esteja danificada não não é permitido que se use o guindaste.

•

Como a lança usa aço de alta alta resistência, ela exige métodos métodos de reparo especiais. especiais. Por favor, contacte o seu seu revendedor. revendedor. Caso se faça ajustes ou reparos quando há objetos içados no gancho ou quando a lança está estendida estendida,, pode ser que o objeto objeto içado ou a lança criem criem movimentos movimentos perigosos, perigosos, causando causando acidentes.

•

Antes de realizar conservação ou manutenção, manutenção, deve-se primeiro levar levar o objeto içado até o chão, colocando a lança lança de içamento no suporte suporte adequado.

•

A pressão do sistema hidráulico hidráulico será mantida mantida por longo período. Ela deve ser liberada liberada antes que se comece a realizar ajuste ou manutenção. Antes da conservação, caso a pressão não seja liberada razoavelmente, razoavelmente, ela irá fazer com que o guindaste guindaste gere movimentos perigosos, perigosos, ou então causar a projeção pra fora repentina e em alta velocidade do óleo quente ou dos

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Manutenção e conservação das partes de trabalho de içamento

Capí Capítu tulo lo 2 Manu Manute tenç nção ão e con conse serv rvaç ação ão das das par parte tess de de trabalho de içamento

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Manutenção e conservação das partes de trabalho de içamento

2.1 Lança de içamento e mecanismo de expansão e recolhimento 2.1. 2.1.11 Funç Funçõe õess das das part partes es 1. A lança lança de içamento içamento e o mecanismo mecanismo de expansão expansão e recolhim recolhimento ento A lança é a principal estrutura estrutura e peça peça de trabalho trabalho receptora de força do guindaste. guindaste. Durante os trabal trabalhos hos de içamento, içamento, ela suste sustenta nta o peso dos dos objetos objetos içados, içados, da carga carga do do vento vento etc. etc. O mecanismo de expansão realiza a mudança de comprimento da lança. 2. Bobina Bobina de válvu válvula la de equilí equilíbri brioo de expansã expansãoo e recolh recolhim iment entoo A bobina da válvula de equilíbrio do mecanismo mecanismo de expansão e recolhimento impede que os cilindros hidráulicos se retraiam naturalmente quando as alavancas de controle estão na posição central. central. Também ambém impede impede que, que, durante durante a operaç operação ão com a alavanc alavancaa de contro controle, le, a lança lança perca perca o controle da velocidade velocidade de içamento içamento de carga. carga. Além disto, ela ainda vem vem com a função função protetora de impedir que o cilindro hidráulico se recolha bruscamente caso ocorra a ruptura repentina de um cabo flexível da tubulação tubulação de expansão e recolhimento recolhimento da lança.

2.1.2 Princípios de funcionamento O guindaste possui uma lança principal de cinco segmentos, com dois cilindros de expansão e recolhimento recolhimento que fazem os movimentos movimentos sincronizados sincronizados do segundo, terceiro, quarto e quinto segmentos. Depois que o cilindro cilindro de primeiro primeiro nível nível aciona a expansão expansão simultâna simultâna do segundo, terceiro, quarto e quinto segmentos, o cilindro de segundo nível e os cabos realizam realizam a expansão sincroniza sincronizada da do segundo, segundo, terceiro, terceiro, quarto quarto e quinto quinto segmentos. segmentos. No momento momento do recolh recolhiment imento, o, ocorre ocorre o inverso. inverso. Para que, durante durante a expansão expansão da lança, lança, o excesso excesso de de pressão pressão não cause cause o envergam envergamento ento dos pistões pistões,, ajuste ajuste a pressão pressão da válvula válvula de pressão pressão para para 18MPa. Para fazer fazer com que o recolhimento recolhimento sejá estável e ocorra a parada parada de modo confiável, foi instalada a válvula de equilíbrio de expansão e recolhimento no circuito de óleo.

2.1. 2.1.33 Util Utiliz izaç ação ão e man manut uten ençã çãoo 1. Ajus Ajuste te de cabos abos Ao usar o presente produto, pelo fato de os cabos receberem receberem força durante o processode trabalho trabalho da da lança, lança, o comprimen comprimento to do cabo cabo de aço será será alterado, alterado, devendo devendo o usuário usuário reali realizar zar

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Manutenção e conservação das partes de trabalho de içamento

expanda expanda complet completament amentee para, para, então, recolher recolher até até o fim, fim, repetindo repetindo o proce procedime dimento nto alguma algumass vezes. Expando o terceiro, terceiro, quarto e quinto segmento segmento até uma certa distância, para então descer a lança, lança, ajustando ajustando de modo modo sincronizad sincronizadoo a porca II do cabo fino do quinto quinto segmento segmento e a a porca I do cabo cabo fino fino do quarto quarto segme segmento, nto, até que que não haja haja tremo tremorr na expan expansão são e recol recolhim himen ento to sincroniza sincronizados dos do terce terceiro, iro, quarto quarto e quinto quinto segment segmentos. os. Trave Trave as porcas dos cabos cabos finos, finos, veja as figura figurass 1-1, 1-1, 1-2. 1-2. cabo fino I porca II do cabo fino

porca I do cabo fino cabo fino II

Figura Figura 2-1 mecanismo mecanismo de expansão expansão e recolhiment recolhimentoo （cabeça da lança）

cabo fino II

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Manutenção e conservação das partes de trabalho de içamento

Quando a lança lança de içamento içamento se recolher recolher completamente, completamente, caso ocorra um vão maior que 1 ～2 ㎜ entre a cabeça da lança lança e a lança, por favor, favor, coloque um calço calço na cabeça cabeça de lança, caso contrário, se influenciará a recepção de força por parte dos do s cilindros e dos cabos.

Ao ajustar, ajustar, caso a lança lança trema, trema, deve-se passar passar graxa na superfície superfície de contato do bloco corrediço entre as duas lanças. Ao passar a graxa, a lança não pode ficar ficar completamente completamente estendida estendida e deitada, deitada, por  favor, favor, consulte a placa ou a tabela de performance. performance. Ao apertar a porca, evite girar os cabos.  2. Ajus Ajuste te do do bl bloc ocoo corr corred ediç içoo Ao entregar o guindaste guindaste ao usuário, usuário, o bloco corrediço corrediço já foi ajustado ajustado no local certo.No processo processo de utili utilizaçã zação, o, o bloco bloco corrediç corrediçõõ se desga desgastar stará, á, ficando ficando cada cada vez mais fino. Quando Quando o bloco corrediço recebe recebe danos graves por causa causa de desgaste, fazendo com que a lança envergue para um lado, lado, fique com laterali lateralizaçã zaçãoo de carga, carga, aumento aumento de deflexão, deflexão, é preciso preciso ajustar ajustar o bloco corrediço. O usuário pode controlar a folga ajustando o parafuso do bloco bloco corrediço da parte de cima da cabeça da lança. Para realizar realizar ajuste do bloco corrediço corrediço da cauda da lança, é preciso preciso desmontar a lança e ajustar a folga folga aumentando ou diminuindo o calço sob o bloco corrediço, ver a figura figura 1-3. 1-3. 

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



Manutenção e conservação das partes de trabalho de içamento

Antes de ajustar o bloco corrediço corrediço da cabeça da lança, deve-se recolher recolher a lança completamente. Geralmente, o ajuste do bloco corrediço corrediço da cauda da lança precisa precisa ser realizado realizado por funcionários especializados.

2.2 Mecanismo de elevação 2.2. 2.2.11 Funç Funçõe õess das das part partes es O mecanismo mecanismo de elevação elevação realiza realiza elevação elevação e descida descida dos objetos objetos içados, içados, por meios meios dos cabos de aço.

2.2.2 2.2.2 Princí Princípio pioss de de trab trabalh alhoo e estrut estrutura ura O mecanism mecanismoo de elevação elevação inclui inclui os guinchos guinchos e o redutor redutor de velocida velocidade. de. O redutorde redutorde velocidades é um redutor de velocidades planetários planetários de nível dois, utilizando lubrificação lubrificação interna por imersão. imersão. A saída do redutor redutor de velocidade velocidade se conecta ao guincho por meio de parafuso. parafuso. Na extremidade do eixo do guincho há um freio úmido instalado. 1

8 7 6

1 4 1

2

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Manutenção e conservação das partes de trabalho de içamento

Placa de cabo de aço

Redutor

Base do rolamento Guincho

Figura Figura 2-5 Esquema Esquema da estrutura estrutura do redutor redutor de guincho

2.2. 2.2.33 Util Utiliz izaç ação ão e manu manute tenç nção ão 1. Visão ge geral Depois Depois do trabalho, trabalho, faça todos todos os dias verifica verificação ção dos freios, freios, se há ou não vazamento vazamento de óleo na superfíc superfície ie de junção do motor, motor, se os parafusos parafusos estão estão soltos ou não. Deve-se Deve-se realizar realizar reparo das falhas imediatamente.

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Manutenção e conservação das partes de trabalho de içamento

(7) (7)

Reti Retire re o buj bujão ão de abas abaste teci cime ment ntoo ；

(8) (8) (9)

burac buracoo de veri verifi fica caçã çãoo de níve nívell de óleo óleo； Apert Apertee o buj bujão ão de verifi verificaç cação ão de níve nívell de óleo óleo ；

(10) (10) Tire Tire o funi funill de de óle óleoo ； (11) (11) Coloque Coloque o bujã bujãoo de abast abasteci ecime mento nto de óleo. óleo.

2.3 Suporte Suporte de rotação 2.3. 2.3.11 Funç Funçõe õess das das part partes es O suporte de rotação conecta conecta as partes superior superior e inferior do veículo, veículo, a partederotação partederotação da parte parte superior superior do veículo. veículo. O peso da carga carga no momento momento dos trabalho trabalhos, s, a força de torque torque de inclinação são transmitidas transmitidas à parte inferior do veículo veículo pelo suporte de rotação.

2.3.2 2.3.2 Princí Princípio pioss de de trab trabalh alhoo e estrut estrutura ura O suporte de rotação é do tipo esférico esférico com quatro pontos de contato. contato. O anel interno do suporte de rotação se conecta conecta com a plataforma de rotação. rotação. O anel de dentes externos se conecta conecta com o quadro do veículo, veículo, com esferas de aço entre os anéis anéis interno e externo. As esferas de aço entram entram em contato contato com os quatro pontos de contato contato do curso arqueado, arqueado, podendo podendo suportar, suportar, ao mesmo mesmo tempo, a força axial, axial, a força radial radial e a força de torque torque de inclinação. inclinação. A força força de torque de aperto aperto dos parafusos é de 1206N.m～2142 2142N. N.m. m. A cada cada 500 500 hora horass de trabalho do sistema deve-se verificar uma vez a força de torque de aperto,a cada 100 horas de trabalho deve-se lubrificar uma vez o curso rolatório.

2.3.3 2.3.3 Rol

nto d

orte de rotaç rotação ão e folga folga radi radial al

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Item Diâmetro do centro do curso rolatório

Manutenção e conservação das partes de trabalho de içamento

Folga axial

Folga radial

0.03～0.1

0.06～0.25

1 4 80





O parafuso de conexão do suporte de rotação rotação precisa ser de de alta resistência. resistência. Ao trocar parafusos do suporte de rotação, rotação, o usuário deve comprar parafusos parafusos de alta resistência, resistência, garantindo a segurança do suporte de rotação. Realize lubrificação lubrificação do suporte de rotação toda toda semana, usando pistola de óleo para inserir lubrificante no bico de lubrificação.

2.4 Mecanismo Mecanismo de rotação rotação 2.4. 2.4.11 Funç Funçõe õess das das part partes es O mecanismo de rotação é o dispositivo de tração que realiza o movimento giratório da parte superior do veículo.

2.4.2 2.4.2 Princí Princípio pioss de de trab trabalh alhoo e estrut estrutura ura O mecanismo de rotação rotação está instalado na plataforma plataforma giratória. O mecanismo de rotação rotação é formado pelo redutor redutor de velocidade, motor hidráulico. O motor hidráulico de alta velocidade move o redutor planetário planetário de nível 3, fazendo com que a força força saia pelas pequenas engrenagens engrenagens do redutor de velocidade giratório. giratório. As pequenas engrenagens estão afixadas no quadro do veículo, veículo,  juntando-se aos dentes externos do suporte de rotação, girando tanto por si mesmas quanto em

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K-€

Manutenção e conservação das partes de trabalho de içamento Motor hidráulico

Motor hidráulico

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Manutenção e conservação das partes de trabalho de içamento

engrenagens. (4) Limpe o bujão bujão de saída saída de óleo para para então apertáapertá-lo. lo. (5) Adicione Adicione o óleo novo novo até a posição posição central central da marcação. marcação. (6) Aperte Aperte o bujão de óleo óleo e a vareta vareta de mediçã mediçãoo de óleo. óleo. 



Ao ocorre ocorrerr falhas, falhas, aqueciment aquecimentoo por sobrecarg sobrecarga, a, reparo reparo de de freio freio de disco disco fixo, fixo, geralmente precisa-se trocar trocar as peças seguintes: seguintes: placa de disco, mola, vedação. O redutor de rotação vem com função de ajuste excêntrico. excêntrico. Quando a folgade junção junção dos dentes da da rotação não é adequada, pode-se girar a posição posição de instalação instalação do redutor redutor de rotação, rotação, ajustando a folga folga dos dentes. dentes.

2.5 Bomba hidráulica hidráulica 2.5. 2.5.11 Funç Funçõe õess das das part partes es

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Manutenção e conservação das partes de trabalho de içamento

sucção de óleo. Quando a engrenagem ativa ativa gira sem parar, parar, o compartimento compartimento b suga suga óleo de modo ininterrupto, ininterrupto, enquanto que o compartimento compartimento a expulsa óleo de modo ininterrupto. A bomba bomba de engrenag engrenagens ens gera gera um fluxo fluxo contín contínuo. uo. Caso a engren engrenagem agem ativa ativa gire gire ao contrár contrário, io, o compartimento compartimento a sugará óleo, enquanto que o b fará a sua expulsão. expulsão. O princípio de funcionamento da bomba de engrenagens pode ser resumido em três itens ： ⑴ é preciso formar alguns compartimentos de óleo de trabalho vedados ；⑵ é preciso dividir estes compartimentos compartimentos em óleo, de modo que um fique alto e o outro baixo baixo ；⑶ o volume vedado dos compartimentos compartimentos de trabalho precisam mudar mudar continuamente. continuamente. Este é o princípio princípio de funcionamento comum comum a todas às bombas volumétricas volumétricas (ou motores). Quanto à troca da bomba hidráulica hidráulica,, caso a bomba bomba de óleo apresente apresente problemas, problemas, é precis precisoo trocar trocar.. No process processoo de desmontagem, preste atenção atenção na poluição do sistema, fazendo com que que a mesma desça ao nível nível mínimo. A boca de óleo deve ser coberta coberta com plástico. Depois que a nova bomba de óleo tiver

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Manutenção e conservação das partes de trabalho de içamento

hidráulico, deste modo alterando a velocidade de rotação rotação e a força de torque do motor hidráulico (figura). O torque do motor hidráulico depende depende da pressão de entrada do volume de trabalha trabalha do motor. motor. A velocidade velocidade de rotação do motor hidráulico hidráulico depende do seu volume volume de trabalho, pressão de entrada entrada e fluxo. Quando Quando há uma certa certa pressão pressão de entrada, quanto quanto maior for o volume volume de trabalho,maior será o torque torque do motor motor hidráulico. hidráulico. Quando há um certo fluxo fluxo de entrada, entrada, quanto menor o volume de trabalho, maior será será a velocidade velocidade de rotação rotação do motor motor hidráulico. hidráulico. Este é o princípio de funcionamento básico do motor hidráulico variável.

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2.7.2 2.7.2 Princí Princípio pioss de de trab trabalh alhoo e estrut estrutura ura O princípio de funcionamento básico da válvula de amortecimento de reversão derotação é realizar transbordamento transbordamento de energia do sistema sistema hidráulico hidráulico de rotação, rotação, fazendo com que o mecanismo de rotação do caminhão-guindaste freie a tempo e evitando que o processo de acionamento do freio freio não seja curto demais, alcançando o efeito de amortecimento amortecimento de freio de rotação.

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Manutenção e conservação das partes de trabalho de içamento

de rotação, rotação, movendo movendo a plataforma plataforma de rotação rotação do caminhão-guind caminhão-guindaste aste para para a esquerda, esquerda, isto é, girando no sentido anti-horário. anti-horário. Quando se move a alavanca alavanca de direcionamento direcionamento de rotação que fica dentro da cabine de controle controle pra dentro, o óleo hidráulico faz com com que a válvula de reversão reversão hidráulica fique fique na posição de funcionamento funcionamento da direita. direita. A pressão pressão corre de P para B. B conecta

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2.8 Válvula Válvula de equilíbrio equilíbrio de elevação 2.8. 2.8.11 Funç Funçõe õess das das part partes es Usada para para impedir impedir que, quando quando de sua descida, descida, o peso da carga carga içada faça faça com que se perca o controle da velocidade de rotação do motor hidráulico （o motor hidráulico gira numa

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            B

Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K-€

Manutenção e conservação das partes de trabalho de içamento

cilindro telescópico, telescópico, fazendo com que tal cilindro cilindro realize o trabalho trabalho de expansão.             A

(2) Recolhime Recolhimento nto do cilindro cilindro telescópico telescópico O óleo hidráulico hidráulico do grande grande compartime compartimento nto do cilindro telescópico telescópico flui até até a boca de óleo óleo B, sendo vedado pela válvula unidirecional. unidirecional. Neste momento, momento, a função do óleo hidráulico hidráulico do pequeno pequeno compartimento compartimento do cilindro cilindro

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Nº

Falhas comuns e seu método de solucionamento s

Passo da operação

Itens a serem observados

Ferramenta usada

Lembre Lembre de guardar as as peças, não perdendo-as..

Barra de aço,martelo,chave inglesa

Puxe o cabo de aço do conjunto de cabo 3

Desça o gancho e puxe o cabo de aço do guincho. Deve-se usar as mãos ao mesmo tempo para puxar o cabo de aço.

4

Puxe o cabo de aço do guincho Guarde bem o calço. principal. 5

6

Barra de aço,martelo

Faça com que que o no novo ca cabo deaço aço Lembre de não enrolar o cabo passe por todas as polias. na polia polia de modo modo errado. errado. a extremidade do cabo de aço Fio de aço precisa ser atada com cabo de poliestileno aço ou com material plástico de polietileno. Fixe a extremidade do cabo de aço no 1. Inst Instal alee o calç calçoo de de mod modoo guincho principal correto. 2. A cabe cabeça ça do cabo cabo não não dev devee sair pela superfície redonda externa do guincho.

7

Martelo

Enrole o cabo de aço 8

ou

1. 2.

Deve-se te ter cu cuidado pa para não deixar o cabo de aço enroscar no guincho. Fio de aço A ext extre rem midad idadee do do cabo cabode de poliestileno aço precisa ser atada com cabo de aço ou material

ou

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Nº

Passo da operação

Falhas comuns e seu método de solucionamento s

Itens a serem observados plástico de polietileno.

Ferramenta usada

De acordo com uma força de multiplicação correspondente, enrole o cabo de aço nas polias da lança principal e do gancho principal. Lembre de que não se pode confundir a ordem de enrolamento da polia.

9

Instale o conjunto de cabo e a presilha de cabo no cabo de aço.

10

Inst Instal alee o cal calço ço corr corret etam amen ente te..

Mart Martel elo, o,ch chav avee ing ingle lesa sa

De acordo com a força de multiplicaç multip licação ão utilizad utilizada, a, decida decida se o conjunto de cabo será instalado na lança principal ou no gancho principal. 11

12

13

14

Chave inglesa

Erga a lança de içamento até oângulo de elev elevaç ação ão,, expa expand ndin indo do-a -a.. Entã Então, o, desça o gancho até que o cabo de aço da bobina saia completamente. Erga uma carga que seja capaz de fazer com que a força de tração de cada corda que forma o cabo de aço alcanc alcancee 30% do maio maiorr valo valorr de de carga. carga. Depois Depois,, enrole enrole o cabo cabo de aço aço no no guincho. Reti Retire re a car carga ga do ganc gancho ho prin princi cipa pal. l.

Lembre de não descer o gancho demais, demais, caso contrário contrário o cabo de Barra de aço,martelo aço será danificado. Não é permitido ultrapassar o peso peso nominal nominal de de içamen içamento. to. A Martelo,chave inglesa carga máxima permitida para cada cabo cabo de aço é de 2800kg.

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Falhas comuns e seu método de solucionamento s

4.3 Filtro Filtro do óleo de retorno retorno 4.3.1 4.3.1 Itens Itens a sere serem m obser observado vadoss nas nas operaçõe operaçõess A lança de içamento deve ser guardada. b. A bomba hidráulica deve estar desligada. A periodicidade da troca do refil de filtro é como mostrada abaixo ： a.

Dia da entrega do veículo

Três meses

Trocar o refil de filtro

Cada seis meses

Trocar o refil de filtro

4.3. 4.3.22 Méto Métoddo de de tr troca oca Passo da operação

Nº

Itens a serem observados

Ferramenta usada

Tire a tampa

1

Chave inglesa

Tire o componente de filtro de óleo

2

omponente de filtro de óleo

Tire o pino de abertura da boca, afrouxe a porca para tirar o refil do filtro Aperte Aperte grad gradualm ualment ente, e, depois depois de fazer a superfície de vedação entrar em contato com o refil de filtro de modo homogêneo, homogêneo, aperte mais mais uma volta para então colocar o pino de abertura de boca.

3

Chave inglesa

Depois de trocar o refil, monte o filtro.

4

Aperte Aperte grad gradualm ualment ente, e, depois depois de fazer a superfície de vedação entrar em contato com o refil de filtro de modo homogêneo, homogêneo, aperte mais mais uma volta para então colocar o pino de abertura de boca.

Chave inglesa

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Falhas comuns e seu método de solucionamento s

Instale o componente de filtro de óleo

5

Coloque a tampa

6

Chave inglesa

4.4 Filtro Filtro de óleo de tubulação tubulação (troca (troca de refil) refil) 1. Itens Itens a serem serem obse observ rvados ados nas operaç operações ões：  

A lança principal deve ser guardada. A bomba hidráulica deve estar desligada.

2. A periodi periodicidade cidade da troca troca do refil refil de filtr filtroo é como mostrada mostrada abaixo abaixo ： Data da entrega do veículo

Cada doze meses

Trocar o refil de filtro

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Capí Capítu tulo lo 5 Anex Anexoo

Anexo

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Anexo

5.1 Peças principais principais Tabela 5-1 tabela detalhada com com os principais acessórios Nº

Código do material

1

XZ70K

2

800501025

3

800300440 800304901 800305290 136100651

Redutor de velocidade de rotação

803000240

Motor

800300160

Redutor de velocidade de elevação

4

5

Nome Chassis de caminhão-guindaste Suporte de rotação

6 803001685

Redutor de velocidade de elevação

115100486

principal Motor do mecanismo mecanismo de elevação

803001609

Ma An Fangyuan Xuzhou Xuzhou Shengbang Shengbang Xuzhou Xuzhou Shengbang Shengbang

Beijing Huade Zhonghang Liyuan Rexroth Xuzhou Keyuan Xuzhou Shengbang Jinan Xiaosong Rexroth Samu

auxiliar elevação elevação principal L=205m Cabo de aço do mecanismo de elevação elevação auxiliar L=130m L=130m

8

Luote Aide

Motor do mecanismo de elevação

Cabo de aço do mecanismo de 7

Pesada

Jinan Xiaosong

（mecanismo de elevação auxiliar）

803001757

Xuzhou Maquinaria

Rexroth

（mecanismo de elevação principal ）

800300164

Nome da empresa

Válvula principal

Jiangsu Langshan Juli Suoju Jiangsu Fasten Bucher da Alemanha

Marca de certificação

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

Anexo

5.2 Peças Peças frágeis frágeis Tabela abela 5-2 tabela tabela detalhada detalhada das peças frágeis frágeis Nº

Código do material

1

801300295

2

801901384

3

Nome placa

Material NYLON MC

Quantida

2

cabeça da lança básica

1

cabeça cabeça da lança básica

MC

115100597

4

111201998

5

112101552

6

112101549

7

112101557

8

112101559

9

819904480

10

801901385

11

801901386

placa corrediça

NYLON MC

bloco corrediço

NYLON MC

luva

MC

Prim Primeeiro, iro, segu segund ndo, o, terc terceeiro iro 6

MC NYLON MC

calço

NYLON MC

5

cabeça da lança básica

96

cabeça da da la lança bá básica

1

cabeça da lança básica

1

cabeça da lança básica

MC NYLON MC MC

placa corrediça

NYLON MC

placa corrediça

NYLON MC

bloco corrediço

NYLON MC

placa

MC 4

MC 4

MC NYLON MC NYLON MC MC

segundo segmento da cauda da lança segundo segmento da cauda da lança

2

segundo segmento da cauda da lança

2

segundo segmento da cabeça da lança

MC placa

segmentos da cabeça da lança (上)

MC bloco corrediço

Posição de instalação

de

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Manual de manutenção do caminhão-guindaste caminhão-guindaste QY70K- €

16

819904481

17

801901388

18

819904482

19

819904483

20

819904484

21

819904485

22

819904486

23

801300297

24

819904487

25

819904488

26

819904489

27

819904490

28

819904491

29

819904492

Anexo

bloco corrediço

NYLON NYLON MC

placa corrediça

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

placa

2

terceiro segmento da cauda da lança

1

terceiro segmento da cabeça da lança

2

quarto segmento da cauda da lança

2

quarto segmento da cauda da lança

2

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

2

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

1

quarto segmento da cabeça da lança

MC MC MC MC MC MC MC NYLON MC MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

MC MC MC MC MC

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33

819904493

34

819904494

35

112101582

36

111701483

37

115100581

38

112101489

39

111201946

40

801300294

41

112101587

42

112101491

43

111701488

44

111900352

45

111701487

46

111701489

Anexo

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

bloco corrediço

NYLON MC

polia

2

MC

lança 2

MC 2

NYLON MC

3

quinto segmento da cabeça da lança

6

quinto segmento da cabeça da lança

2

mecanismo telescópico

2

mecanismo telescópico

2

mecanismo telescópico

1

mecanismo telescópico

2

mecanismo telescópico

MC polia

NYLON MC

quinto segmento da cauda da lança

MC polia

quinto segmento da cauda da lança

MC NYLON MC

quinto segmento da cauda da

MC rolete

NYLON MC MC

base de sustentação calço

NYLON MC MC NYLON MC MC

placa de retenção polia

NYLON MC MC NYLON MC MC

rolete

NYLON MC MC

polia

NYLON MC MC

polia

NYLON MC

1 5 1 1

primeiro segmento da cabeça da lança auxiliar primeiro segmento da parte média da lança auxiliar primeiro segmento da cauda da lança auxiliar segundo segmento da cabeça

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Endereço ：Rua Tongshan Tongshan,, nº165, cidade cidade de Xuzhou, Xuzhou, província província de Jiangsu,China.