Hercules crane is lifting weights , but also easy to bring high- security zone of origin of the accident, in order to improve the safety and reliability of the crane , the crane is equipped with various safety devices . Security guards in accordance with the relevant safety regulations currently on the crane shall be equipped with a total of 20 kinds of various types of crane safety device is equipped with a slight difference.
Among them, the increase in the limit position limiter, rain cover bare shield moving parts , electrical equipment is all crane safety devices must be equipped . Any band boom crane to be installed on the magnitude of the indicator and has a tilting device to prevent the boom , those who use the slip line crane shall be provided with protective plates . There are other types of safety devices specifically equipped as follows :
Overhead Crane : overload limiter , down limit position limiter limiter run limit position , interlock protection devices, buffers, boarding signal buttons , anti- rollover safety hook , maintenance hoists , sweeping rail plate and support bracket , an end stop rail ;
Gantry Crane : overload limiter , run limit position limiter, skew adjustment and display devices, buffers, rail clamp pliers / anchoring device / iron shoes , anti- rollover safety hooks , sweeping rail plate and the supporting frame, side rails Department stopper ;
Girder cranes : overload limiter , down limit position limiter limiter run limit position , interlock protection devices, buffers, boarding signal buttons , anti- rollover safety hook , maintenance hoists , sweeping rail plate and support bracket , an end stop rail ;
Truck Crane : torque limiter, level meter, leg retraction locking device , rotary positioning device ;
Tower cranes : overload limiter , torque limiter , down limit position limiter, interlock protection device, the limit torque limiting device , rail clamp pliers / anchoring device / iron shoes , wind speed level alarm, check the signal button sweep plates and the support frame rail , track ends stopper ;
Truck Crane : torque limiter, level meter, leg retraction locking device , rotary positioning device ;
Tire Crane : torque limiter, level meter, leg retraction locking device , rotary positioning device ;
Crawler Crane : torque limiter , rotary positioning device construction machinery;
Gantry Crane : overload limiter , down limit position limiter limits the torque limiting device , buffer , rail clamp pliers / anchoring device / iron shoes , wind speed level alarm, check the signal button and sweep the supporting frame rail board , an end stop rail ;
Railway Crane : overload limiter , torque limiter, run limit position limiter , outrigger retraction locking device , rotary positioning device .