Created on:2021-05-21 08:59

Troubleshooting of gear motor

2.2.7 troubleshooting

The common faults of the motor in use are non rotation, abnormal speed and torque, excessive noise, internal and external leakage and abnormal heating, etc. the general methods of fault diagnosis and troubleshooting are shown in the following table. The following table lists some common fault phenomena and troubleshooting methods of cycloid internal meshing gear motor in use.

 

Common faults and troubleshooting of cycloid internal gear motor in use

Fault phenomenon

原因分析

排除方法

1.马达不转

液压泵未启动或转向不正确

开启液压泵或改正泵的转向

油箱储油量不足

加至规定油量

换向阀处于中位

切换换向阀

溢流阀调压值过低

系统压力调到规定值

马达输出转矩不足

更换马达

2.运转时噪声过大

液压系统中有空气

找出进气原因并排除油中空气

吸空

增加供油量

马达内部轴承等构件故障

更换轴承及其他损坏零件

3.内、外泄漏过大

密封件损坏造成内外泄露

更换密封件

马达零件有气孔、砂眼、裂痕等

更换零件

螺栓松动

紧固螺栓

4.异常发热

液压油温度过高

增加冷却能力

马达效率降低

更换易损件

非正常磨损

更换马达

 

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