Supporting device for replacement of belt carrier roller

The utility model discloses a belt carrier roller replacement supporting device which comprises a base, a jack, an upper supporting plate, a connecting rod and a lower supporting pipe. The two ends of the base are used for being placed on a rack of the belt conveyor. The jack is placed on the base, and the top plate at the upper end is used for supporting the upper supporting plate above; a left sliding groove and a right sliding groove are formed in the upper supporting plate, and the sliding grooves are in the left-right direction. The two groups of connecting rods are in one-to-one correspondence with the two groups of sliding grooves; the upper end of the connecting rod penetrates through the sliding groove and then is connected with a cross arm, and the lower end is connected with a bearing ring. The length of the cross arm in the front-back direction is smaller than the length of the sliding groove in the left-right direction, and the width of the cross arm in the left-right direction is smaller than th