ZL—40、ZL—50装载机变速泵若干问题的分析

On Some Problems of Pump Change for Loaders ZL-40 and Z-50

对现有ZL— 4 0、ZL— 50装载机变速泵存在的过早严重括壳现象、噪声大、可靠性差、使用寿命短等问题进行研究 。

There are some problems in pump change of loaders ZL-40 and ZL-50 nowadays, such as serious scrape of pump block, high noise pollution, bad reliability, short service life and so on. In order to improve the design of pump change, we have made some research and provided some suggestions for improvement.