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DCCN/SVH-001-PR-F15 Edition:12009-12-10 液压技术座谈会 (闭式液压系统介绍及使用) ZhangXin(张新) DCCN-SVH/Pk Dec.13th.2010 座谈内容DCCN/SVH-001-PR-F15 Edition:12009-12-10 闭式液压系统构成 A4VG180EP泵介绍 A6VM160EP马达介绍 管路安装 系统清洁度保证 A4VG180EP泵常见故障的诊断及排除 A6VM160EP马达常见故障的诊断及排除 问题讨论 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.2 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 何谓闭式液压系统 工作介质(液压油或其他)从执行机构直接回到泵 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.3 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 液压系统都需要安全保护元件安全阀 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.4 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 任何液压泵和马达工作时都有漏损(散热,润滑) 增加泄油管路 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.5 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 因为漏损且为保证执行机构连续平稳运转,系统需要补油 增加补油泵和 补油阀 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.6 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 增加变量机构以实现泵的排量和输出方向的变化 增加变量控制 阀及变量活塞 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsapplications.7 Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination. 闭式液压系统介绍DCCN/SVH-001-PR-F15 Edition:12009-12-10 闭式系统易发热,故对于大排量泵和马达构成的闭式系 统,常常会增加冲洗油路以加速热交换 增 加 冲 洗 阀 ©AllrightsreservedbyBoschRexrothAG,evenandespeciallyincasesofproprietaryrightsappli