浅谈电梯上行超速的保护

Talking About Elevator Upgoing Overspeed Protection

GB 7588—2003《电梯制造与安装安全规范》要求曳引驱动电梯应装设轿厢上行超速保护装置,并对其技术条件作了相应的规定。标准对轿厢上行超速保护装置的作用型式和作用部位没有强制的规定,所以可以根据实际需要采取不同的型式。就电梯上行超速保护装置几种型式的优缺点进行了简要分析,并提出相应的建议。

GB 7588-2003"Safety code for elevator manufacturing and installation"requires that the traction driven elevator should be equipped with car lift upline overspeed protection device,and the corresponding technical conditions are stipulated.The standard has no mandatory regulation on the action type and action part of the car lift ascending overspeed protection device,so different types can be adopted according to the actual needs.Then,the advantages and disadvantages of several types of elevator ascending overspeed protection device are briefly analyzed,and corresponding Suggestions are put forward.