High-pressure gear pump bearing pulling and dismounting device

The utility model discloses a bearing pulling and dismounting device of a high-pressure gear pump. The device comprises a door-shaped plate (1), a screw (4) with a wrench penetrates through the crossbeam of the hook (3) and is in threaded connection with the smooth pressing block (2); the smooth surface pressing block (2) is pressed on the door-shaped plate (1); a hook claw of the hook (3) is hooked on the support plate (8); two elastic sleeves (7) are symmetrically arranged on the supporting plate (8), the pull rod (6) penetrates through the elastic sleeves (7), the bottom end of the pull rod (6) is provided with an inclined conical surface, the upper portion of the top end is provided with threads, the elastic sleeves (7) are provided with conical surfaces matched with the inclined conical surface of the pull rod (6), and the pin key (5) penetrates through the pull rod (6). According to the device disclosed by the utility model, the inner hole of the bearing is tightly supported through the elastic deformat