Anti-overflow device for blanking funnel of belt conveyor

The utility model discloses an anti-overflow device for a blanking funnel of a belt conveyor, the belt conveyor comprises a transmission drum used for driving a belt to advance and a motor used for driving the transmission drum to rotate, and the anti-overflow device further comprises the blanking funnel arranged at the blanking end of the belt and a main circuit connected between the motor and an alternating current power supply. The anti-overflow device comprises a turning plate mechanism and a sensor which are mounted at the top of the blanking hopper, and further comprises a control circuit, and the control circuit comprises a direct-current power supply, an intermediate relay KA, a contactor KM, a normally-open starting switch SB1 and a normally-closed stopping switch SB2. According to the utility model, the accumulation condition of ores in the blanking funnel is sensed through the sensor, so that the belt conveyor can be stopped in time, and serious loss caused by overflow is prevented. 本实用新型公开了一种皮带运输机