对桥式起重机电控系统的改进

Improvement of the Electrical Control System of the Bridge Crane

对桥式起重机的电控系统经常发生故障的原因进行分析,给出改进后的电控原理图,实践证明,改进后的电控系统工作稳,可靠性高,极大地降低了系统的故障率。

The paper analyzes the causes of fault broken down in the electrical control system of bridge crane , and it puts forward some countermeasures to improve the planning of operational control system . The system improved operates stably and dependably .