Dismounting device for automobile maintenance transmission belt

The invention relates to the technical field of transmission belt dismounting, in particular to an automobile maintenance transmission belt dismounting device which comprises a lower box body, a first clamping block, a second clamping block and a long groove are arranged in the transmission belt dismounting device, and the first clamping block and the second clamping block are arranged on a first moving block, a second moving block and a third moving block correspondingly; the long grooves are formed in the first clamping block and the second clamping block. The first moving block and the second moving block move relatively to open the transmission belt, and the third moving block is moved to separate the transmission belt from the transmission wheel; three-point clamping is carried out on the transmission belt through the first moving block, the second moving block and the third moving block, the first moving block, the second moving block and the third moving block are driven to move, the transmission belt