Anti-tear protection device of belt conveyor and belt conveyor

The invention discloses an anti-tear protection device of a belt conveyor. The anti-tear protection device comprises a control system, a supporting cross beam transversely arranged above a return stroke belt of the belt conveyor and a connecting rod. The middle of the connecting rod is hinged to the supporting cross beam, a magnet is arranged at the upper end of the connecting rod, the lower end of the connecting rod is connected with a spillplate, a magnetic sensor is arranged at the position, corresponding to the magnet, on the supporting cross beam, and the magnetic sensor is electrically connected with the controls system. By means of the anti-tear protection device of the belt conveyor, the situation of coal on the return stroke belt of the belt conveyor can be distinguished, and whena large amount of coal falls off from the return stroke belt, running of the belt conveyor can be stopped in time, and an alarm can be given in time. 本发明公开了一种胶带输送机防撕裂保护装置，包括控制系统、横设于胶带输送机回程胶带上方的支撑横梁和连接杆，连接杆的中部与支撑横梁铰接，连接杆的上端设置