我公司主要从事大型设备的租赁。维修业务。在设备使用过程中发现，塔机液压顶升系统易发生故障。主要有顶升的颤动、下滑不能自锁、顶升无力等。为此，我们设计了一套系统试验平台，用一备用泵站对修复的液压系统进行载荷检验。经过试用，效果良好。现介绍如下（见图１）。运 My company mainly engaged in large-scale equipment leasing. Maintenance business. Found in the process of using equipment, tower crane hydraulic jacking system prone to failure. The main rise of the tremor, the decline can not be self-locking, rising weakness and so on. To this end, we have designed a system of test platform, with a spare pumping station on the repair of the hydraulic system load test. After trial, the effect is good. Now introduced as follows (see Figure 1). Shipped