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限速器和安全钳是电梯超速和断绳的安全保护装置。GB7588-2003《电梯制造与安装安全规范》中规定,任何曳引电梯的轿厢都必须设有安全钳装置且安全钳装置必须由限速器来操纵;TSG/T7001-2009《电梯监督检验和定期检验规则——曳引与强制驱动电梯》规定,应对限速器动作速度进行定期校验,才能确定限速器是否处于良好的可动作状态。
Speed limiter and safety gear is speeding and broken rope safety protection device. GB7588-2003 “Elevator Manufacturing and Installation Safety Code” provides that any elevator car elevator must be equipped with safety gear and safety gear device must be manipulated by the speed limiter; TSG / T7001-2009 “Elevator Supervision and Inspection and Regular inspection rules - traction and forced-drive elevator ”regulations, the speed of the governor should be regularly verified in order to determine whether the governor is in a good state of action.