To operate the equipment, it is essential for one person to control the releasing of the brake, whilst another operates the winding crank.
2
分析大倾角电牵引采煤机液压制动器频繁抱闸的原因,提出的解决方案实用效果良好。
This paper analyses the reasons of frequent abnormal braking on shearer and gives ideas for solving problem which has well effect in practice.
3
利用电磁电路设计的抱闸装置,解决了回转臂系统刹车后,滑动小于某一小角度这一技术难题。
The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.