Device for quickly replacing carrier roller of belt conveyor

The utility model relates to a device for quickly replacing a carrier roller of a belt conveyor, and belongs to the technical field of mechanical disassembly auxiliary equipment. Two guide rods are vertically installed on the base, sliding sleeves are arranged at the two ends of the jacking frame, the two guide rods are sleeved with the two ends of the jacking frame through the sliding sleeves, a rotary connecting mechanism is arranged in the middle of the jacking frame, the support is vertically fixed to the base, one end of the adjusting screw is hinged to the base, and the other end of the adjusting screw is hinged to the jacking frame. The support is located between the position, right opposite to the rotary connecting mechanism, of the base and the adjusting screw, the adjusting lever is rotationally installed at the upper end of the support through a pin, a shifting fork is arranged at one end of the adjusting lever, an adjusting sliding sleeve is arranged at the other end of the adjusting lever, the sh