Quick dismounting structure for bearing

The utility model relates to the technical field of bearing disassembly, and discloses a quick bearing disassembly structure which comprises a claw-type expansion mechanism and an impact guide rail mechanism, the claw-type expansion mechanism comprises a fixed shell, a plurality of expansion claws are hinged to the fixed shell and distributed in the circumferential direction of the axis of the fixed shell, and the impact guide rail mechanism is arranged on the fixed shell. The expansion claw is connected with a driving assembly driving the expansion claw to be opened and closed, the impact guide rail mechanism comprises an impact guide rail detachably connected with the fixed shell, an impact block is slidably arranged on the impact guide rail, and an impact limiting part is arranged at the end, away from the fixed shell, of the impact guide rail. The bearing dismounting device can quickly dismount the bearing and is high in dismounting efficiency. 本实用新型涉及轴承拆卸技术领域，公开了一种轴承快速拆卸结构，包括爪型胀紧机构和撞击导轨机构，爪型胀紧机构包括固定壳体，固定