Real-time monitoring device for looseness of scraper chain

A scraper chain loosening real-time monitoring device comprises a working shaft which is installed between a head wheel and a riding wheel and located below a chain rod of a return stroke scraper chain, a supporting and guiding device is fixed to the part, located in a head machine shell, of the working shaft, and a second limiting rod is arranged below the side, deviating from the working shaft, of the supporting and guiding device. A rotating arm is installed on the working shaft outside the head machine shell, one side of the rotating arm deviating from the axis is connected with a heavy hammer piece, the upper end of the other side of the rotating arm deviating from the axis is limited by a first limiting rod, and the lower portion directly faces the proximity switch. According to the real-time monitoring device for the slack chain of the scraper chain, provided by the utility model, a response can be made in time when a serious chain slack phenomenon occurs. 一种刮板链条松链实时监测装置，包括安装在头轮、托轮之间且位于回程刮板链条链杆下方的工作轴，工