Risoluzione dei problemi del motore a ingranaggi

Creato il 05.17
故障排除
以下表格是齿轮泵在使用中一些常见故障现象及其排除方法。
齿轮泵在使用中的一些常见故障现象及排除方法
Fault phenomenon
Cause analysis
Exclusion method
1. 泵内没有油或压力
(1) 主动机和泵的旋转方向不一致
(1) 修正原动机的旋转方向
(2) Pump drive key off
(2) 重新安装驱动密钥
(3) 油入口和出口反向连接
(3) 根据说明书选择正确的连接方式
(4) 油箱中的油位过低,吸入管的液位暴露
(4) 在最低油位线以上补充油液
(5) 速度过低且吸力不足
(5) 提高泵的最低速度以上的速度
(6) 油粘度过高或过低
(6) 选择推荐粘度的工作油
(7) 吸油管或过滤装置的堵塞导致油吸收不良
(7) 根据泵和说明选择正确的过滤器
(8) Poor oil absorption due to high suction pipe or filtration accuracy
(8) 根据样本和说明选择正确的过滤器
(9) 吸入管道的空气泄漏
(9) 检查管道的接头,密封并固定它们
2. 流量不足以达到额定值
(1) 速度太低,无法达到额定速度
(1) 根据产品样本或说明书中规定的额定速度选择原动机速度
(2) 系统中存在泄漏
(2) 检查系统并修复露点
(3) 因为泵工作时间长且振动,泵盖的连接螺丝松动
(3) Properly tighten the screws
(4) 与表1相同。 (9)
(4) 与表1相同。 (9)
(5) Insufficient oil absorption:
① Same as table 1. (9)
② The inlet filter is blocked or the flow rate is too small
③ The suction pipe is blocked or the diameter is small
④Inappropriate medium viscosity
(5)Solutions for insufficient oil absorption:
①Same as Table 1. (9)
② Clean the filter or choose a filter with a flow rate that is more than twice the pump flow rate.
③ Clean the pipeline and choose a suction pipe with a diameter not less than the pump inlet diameter.
④Select the recommended viscosity working medium
3. The pressure won't rise.
(1)The pump cannot draw oil or the flow is insufficient
(1)Same as Table 1.
(2) The setting pressure of the overflow valve in the hydraulic system is too low or has malfunctioned.
(2) Reset the overflow valve pressure or repair the overflow valve
(3)同本表2.(2)
(3)同本表2.(2)
(4)同本表2.(3)
(4)同本表2.(3)
(5)Same as Table 1.(9)
(5)同本表1.(9)
(6)同本表2.(5)
(6)同本表2.(5)
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