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[CN 201720551354.4] Hydraulic-mechanical gear clamp
[CN 201720551354.4] Title of a hydraulic-mechanical gear clamp: Application number of a hydraulic-mechanical gear clamp: CN 201720551354.4 Applicant: Northeast Special Steel Group Shandong Yinglun Machinery Co., Ltd. Application date: 2017-5-17 Patent type: Utility model The utility model discloses a hydraulic-mechanical gear clamp, which solves the problems of time-consuming and laborious clamping of gears and uneven clamping force in the prior art, it has the beneficial effects of reliable positioning, convenient clamping and high gear yield. The scheme is as follows: the clamp includes a mandrel, one end of the mandrel is sleeved with a hydraulic sleeve, the outer sleeve of the hydraulic sleeve is sleeved with an elastic expansion sleeve, and the outer surface of the elastic expansion sleeve is used to fix the gear. The other end of the mandrel is provided with a piston hole, and the other side of the oil hole is connected with the piston hole, the piston assembly moves to push the hydraulic oil in the oil hole to flow to the hydraulic sleeve, the elastic expansion sleeve is deformed, and the surface of the elastic expansion sleeve is closely attached to the inner hole wall of the gear.
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