起重力矩限制器,是安装在臂架型起重机上,保证起重机的安全作业、防止超载事故的安全装置。该装置通过超载报警信号或自动停止起重机向危险方向动作,来有效地避免因过载而引起起重机结构的破坏和整机倾翻。同时,起重机司机可通过仪表显示来观察起重机吊载作业的情况,做到心中有 Lifting torque limiter, is mounted on the boom-type cranes to ensure the crane’s safe operation, to prevent overload accidents safety device. The device through the overload alarm signal or automatically stop the crane to the dangerous direction of action, to avoid overload caused by the destruction of the crane structure and machine tipping. In the meantime, the crane driver can observe the situation of crane carrying operation through the instrument display,