DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10液压技术座谈会液压技术座谈会 （闭式液压系统介绍及使用）闭式液压系统介绍及使用）Zhang Xin（张新）DCCN-SVH/PkDec.13th.2010Zhang Xin（张新）DCCN-SVH/PkDec.13th.20102 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10座谈内容闭式液压系统构成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3 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍何谓闭式液压系统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工作介质（液压油或其他）从执行机构直接回到泵4 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍液压系统都需要安全保护元件液压系统都需要安全保护元件安全阀安全阀5 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍任何液压泵和马达工作时都有漏损（散热，润滑）任何液压泵和马达工作时都有漏损（散热，润滑）增加泄油管路增加泄油管路6 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍因为漏损且为保证执行机构连续平稳运转，系统需要补油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 补油阀增加补油泵和 补油阀7 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍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 阀及变量活塞增加变量控制 阀及变量活塞8 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍闭式系统易发热，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增加冲洗阀9 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍10 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10闭式液压系统介绍方向控制阀： 规格小= 仅进行先导控制；（开式系统中的规格大） 过滤器和散热器：规格小 = 只需与补油泵的流量匹配； 液压油箱：小尺寸 = 只需与补油泵流量匹配； 运转速度：补油泵限制= 补油泵的结构及连轴套上的平键 安装位置：任意位置 驱动：可逆的 = 泵马达工况可逆，可实现静压制动闭式系统的特点闭式系统的特点11 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10A4VG180EPD泵介绍轴向柱塞泵工作原理轴向柱塞泵工作原理容积泵一种容积泵一种密封容腔密封容腔容腔体积可变容腔体积可变12 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10A4VG180EPD泵介绍轴向柱塞泵工作原理轴向柱塞泵工作原理13 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10A4VG180EPD泵介绍A4G180EP泵工作原理泵工作原理2 EP控制 阀1主泵4 变量活 塞5 高压溢流 阀（带补油 阀）6 低压溢 流阀/补 油阀3 压力切断 阀过滤 器带 冷启 动阀 及指 示器23456X1，X2RPsMA，MBTG14 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.DCCN/SVH-001-PR-F15 Edition: 1 2009-12-10A4VG180EPD泵介绍轴端无应力安装轴端无应力安装= 安装时不可以敲击 轴端，放置时不可以轴端着地；安装时不可以敲击 轴端，放置时不可以轴端着地； 检查泵的旋向：与电机（发动机）一致检查泵的旋向：与电机（发动机）一致 保证油液清洁度保证油液清洁度 清洁度等级：清洁度等级：至少至少ISO4406 20/18/15 油液温度较高时（油液温度较高时（90度度115度）：度）： 至少至少ISO4406 19/17/14A4G180EP泵使用要求泵使用要求保证同轴度保证同轴度 = 联轴器安装时，要根据 生产厂家的要求保证同轴度；联轴器安装时，要根据 生产厂家的要求保证同轴度； 吸油压力：吸油压力：不能低于不能低于0.8bar（绝对压 力），表测压力不低于（绝对压 力），表测压力不低于-0.2bar； 壳体压力：壳体压力：不能高于不能高于3bar（绝对压 力），表测压力不高于（绝对压 力），表测压力不高于2bar15 All r