工程机械柱塞泵/马达异常漏油故障分析与预防改进  

Analysis and Prevention Improvement of Abnormal Oil Leakage Fault of Construction Machinery Piston Pump/Motor

作　　者：张卫东 刘艳芳 杨飞 陈晋市 魏星[4] Zhang Weidong;Liu Yanfang;Yang Fei

机构地区：[1]天津工程机械研究院有限公司,天津北辰科技园区300409 [2]林德液压(中国)有限公司 [3]吉林大学机械与航空航天工程学院 [4]长春职业技术学院

出　　处：《工程机械》2021年第6期120-123,I0025,共5页Construction Machinery and Equipment

基　　金：高端液压元件可靠性评估方法与寿命测试技术研究(2018YFB20009)。

摘　　要：工程机械柱塞泵/马达在实际的工作过程中,由于设计或使用不当,在运行中会出现异常漏油的现象,致使柱塞泵/马达和相关联零部件的使用寿命缩减。为解决工程机械柱塞泵/马达在工作过程中的漏油故障问题,对引起柱塞泵/马达异常漏油故障的原因进行了详细分析,并针对性地提出改进方案,改进后漏油现象明显减少。提出关于柱塞泵/马达在设计、安装调试、维护保养和密封件选材上的注意事项,提高柱塞泵/马达及整体液压系统的可靠性,为今后柱塞泵/马达的现场漏油故障的处理和预防改进提供有效参考。In actual working process of construction machinery piston pump/motor,due to improper design or use,abnormal oil leakage will occur in operation,which will reduce service life of piston pump/motor and related parts.To solve the problem of oil leakage in working process of construction machinery piston pump/motor,causes of abnormal oil leakage of piston pump/motor are analyzed in detail,and improvement scheme is proposed.After improvement,oil leakage is significantly reduced.Precautions on design,installation and commissioning,maintenance and seals selection of piston pump/motor are put forward to improve reliability of piston pump/motor and overall hydraulic system,which provides an effective reference for treatment and prevention improvement of future onsite oil leakage fault of piston pump/motor.

关 键 词：工程机械 柱塞泵/马达 漏油故障 预防改进 

分 类 号：TU607[建筑科学—建筑技术科学]