挖掘机发动机"游车"故障分析与排除一例

1故障现象 发动机油门固定和无负荷时,转速忽高忽低,不能稳定在规定的范围内,称为工作不平稳或转速不稳,俗称＂游车＂。

An Example of Troubleshooting for Unsteady Travel Failure of an Excavator

Although rubber tracks feature many advantages,some common failures,such as wire breaking,rimous and scaling surfaces,fallen tooth and track,often occur in operation,which significantly influences the machine's normal operation due to low reliability and high failure rate.On the basis of practical failure phenomena of rubber tracks of construction vehicles,main causes and influencing factors are analyzed from the aspects of manufacturing processes,structures as well as operations,which provide references fo...