Hole device is wiped to step deep hole

The utility model relates to a machinery processing technology field provides a hole device is wiped to step deep hole, including cleaning subassembly, center tube and installing the central bearing spare on the center tube, clean the drive arrangement that the subassembly includes that work support arm and drive work support arm open and contract, the one end of work support arm articulates the front end of center tube. The utility model discloses a hole device is wiped to step deep hole, it is efficient to wipe the hole, has reduced workman's intensity of labour, has avoided the potential safety hazard of workman at step deep hole internal operating. During the use, will wipe the supporting of hole device in the step deep hole through central bearing spare, then open through drive arrangement drive work support arm, rotatory whole device just can be cleared up the impurity such as fatlute that the deep hole step was located through the cloth of tying up on the work support arm. 本实用新型涉及机械加工技术领域，提供了种台阶深孔擦孔装置，