Waste filter element replacing transporting container load measuring and overload protecting device

The utility model discloses a waste filter element replacing transporting container load measuring and overload protecting device which comprises two pulley components and a steel wire rope, wherein the power end of the steel wire rope is connected onto a coiling block of a speed reducing motor, the middle part of the steel wire rope bypasses the two pulley components, and the loading end of the steel wire rope is connected with an actual load; one pulley component comprises a pulley, a pulley shaft, two supporting blocks and a weight sensor, wherein the pulley is arranged on the pulley shaft by a bearing, two ends of the pulley shaft are respectively arranged in holes arranged in different supporting blocks, and both the bottoms of the two supporting blocks are supported on the weight sensor. The load of the utility model is directly transferred to the weight sensor by a first pulley component, and the weight sensor can calibrate accurately, so that the load measurement accuracy and the overload protection accuracy are enhanced effectively. In addition, the impact of the steel wire rope coiling block to the pulley components can not be directly transferred to the weight sensor when the steel wire rope coiling block runs in acceleration, so that the service life of the weight sensor is prolonged.