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Cause of gearbox jumping of truck mounted crane

Update Date: 2015/12/10 comes from: jyrcpr.cn Author: clicks:


Fault is Xugong truck crane In the course of using, it is inevitable that there is a certain reason for failure. We can analyze the cause of the trouble and find out the cause. In order to get rid of the problem, some users who follow the car feedback to us will occasionally have the phenomenon of jumping gear.

1. the transmission mechanism of the variable speed transmission mechanism is driven by the transmission mechanism with mechanical shift. The transmission mechanism is based on the sliding gear sleeve for axial movement on the fixed gear sleeve and meshing with the driven gear of each gear to realize shift. In the course of frequent shifting, the teeth face of the above meshing gears can be easily tapered, resulting in the reduction of the meshing performance and the "jumping gear".

2. the gear shift is not properly adjusted. The transmission with the crane is a mechanical shift. If the transmission lever, the longitudinal axis, the horizontal shaft and the vertical screw are loose, the transmission can also cause a "jump gear".

3. sudden changes in external load, due to the nature of the crane and its own design reasons, sudden changes in the external load will lead to its transmission "jump gear". When the road surface is uneven, the machine is running downhill or the driving route is not suitable, the external load suddenly changes. The sudden change of the load will act on the gear shifting gear of the transmission through the wheel and the transmission shaft, so that the gear mesh of the gear shift is driven off because of the axial thrust, resulting in the transmission gear "jumping gear".

Four Xugong truck crane Improper operation will also lead to "jump gear" of transmission.

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