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履带吊怎么收缩履带

更新时间: 2021-06-12 00:34:41     

1、通过螺丝收缩,液压系统中各溢流阀:可抑制回路中的异常高压,以防止液压油泵及马达的损坏,并防止处于过载状态。

2、变幅安全装置:当不测事故发生,吊臂变幅油缸回路中的高压软管或油管爆裂或切断时,液压回路中的平衡阀就起作用,锁闭来自油缸下腔的工作油,从而确保作业的安全性。

关键词: 履带 怎么 收缩

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