Garbage truck push shovel device capable of conveniently replacing sliding block

The utility model discloses a garbage truck push shovel device capable of conveniently replacing a sliding block, which relates to the field of machinery and comprises a box body, a guide rail, a movable limiting block, a fixed limiting block, a push shovel mechanism, a guide chute and a wear-resistant sliding block, the shovel pushing mechanism is installed between the two guide rails, the guide sliding grooves are welded to the two sides of the shovel pushing mechanism and connected to the outer portions of the guide rails in a buckled mode, clearance spaces are formed between the guide sliding grooves and the three planes of the guide rails, and the abrasion-resistant sliding blocks are installed in the clearance spaces. The wear-resistant sliding block consists of an upper sliding block, a side sliding block and a lower sliding block, and is mounted on one section in the guide sliding groove; the inner surfaces of the upper sliding block, the side sliding block and the lower sliding block of the wear-resi