Carrier roller device of conveyor of mining machinery

The utility model belongs to the technical field of mining machinery, and particularly relates to a carrier roller device of a conveyor of mining machinery, which comprises a supporting plate, the supporting plate comprises a left supporting plate and a right supporting plate, first bolts are mounted at the front end and the rear end of the supporting plate, a main rotating shaft is mounted on theinner side of the supporting plate, and a carrier roller is rotatably mounted on the main rotating shaft; the two ends of the supporting plate are connected with limiting pieces, the outer side of the supporting plate is connected with a second electric push rod through a third rotating shaft, the second electric push rod is connected with a spring shock absorber through a sixth connecting piece,and the spring shock absorber is connected with the supporting plate through a second rotating shaft. And the right supporting plate is connected with a second supporting rod through a third connecting piece, the first suppor