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JQG-25t/m塔吊双控电路集众塔吊电气系统之长,从塔吊的安全、经济、实用着想,打破常规设计方案,采用在塔吊的上部及下部双向控制操作的方法,并设有吊重过载自动报警断电的装置,使司机能够根据被吊物与司机的视距来灵活选择操作部位,双控电路特别适应塔吊在楼房的低层次、地下层及汽车运装料到工地的施工吊装,明显地减轻了司机的劳动强度。下面介绍一下JQG-25t/m塔吊电气系统的工作程序,其一次、二次电路原理图如图1、2所示。 (1)总电路漏电自动保护、上下两地双控、整机
JQG-25t / m tower crane double control circuit The tower crane electrical system length, from the tower crane safety, economy, practical considerations, to break the conventional design, the tower crane in the upper and lower two-way control operation method, and with hanging Automatic overload alarm device power off, so that the driver can be based on the distance between the object being suspended and the driver to choose the operating area, double control circuit in particular to adapt to the tower crane in the low-level building, underground and motor transport materials to the construction site hoisting , Significantly reducing the driver’s labor intensity. The following describes the JQG-25t / m tower crane electrical system working procedures, once, the secondary circuit diagram shown in Figure 1,2. (1) automatic leakage of the total circuit protection, up and down the two control, the whole machine