It introduces the constituent parts and work principle of the system,analyzes moving direction rules of the rope-aligning device,calculation method of step number and speed regulation algorithm of the stepping motor.

The new truck mainly consists of truck chassis,mast type derrick,hoist assembly,automatic control system,automatic line rolling system and anti-collision wellhead equipment.

Study on the dispatching winch self-act aligning steel rope device;

The article introduces the process of the research and development of electrically redressing equipment of screw of tightwire array,analyzes the arrange and redressing problem of the equipment of store tightwire,and expatiates on the basic principle,structure characteristic and technique difficulties of the equipment.

Optimal design of a new rope guider for theatre stage hoisting equipment;

The bitten rope problem has been dealt with by using rope-aligning appliance in the construction of ventilation shaft of Guotun mine.