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[CN 201721053525.7] Sleeve for Rotary Joint of Hydraulic Manipulator with Internal Oil Circuit
[CN 201721053525.7] Shaft sleeve for rotary joint of hydraulic manipulator with internal oil passage Title: Shaft sleeve for rotary joint of hydraulic manipulator with internal oil passage Application No.: CN 201721053525.7 Applicant: Chongqing Lanluo Road New Technology Co., Ltd. Application Date: 2017-8-22 Patent Type: Utility Model The utility model discloses a shaft sleeve for rotary joint of hydraulic manipulator with internal oil passage, including a shaft sleeve body, at least one oil passage and a flow passage in the shaft sleeve body, the oil passage includes a shunt blind hole and a shunt groove. The end face of the shaft sleeve body is axially provided with a shunt blind hole. The inner wall of the shaft sleeve body is radially provided with a shunt groove. The shunt groove and the corresponding shunt blind hole communicate to form an oil passage. The hydraulic oil of the utility model enters the interior of the shaft sleeve body from the shunt blind hole, and then enters other components with internal flow channels through the shunt groove, compared with the traditional rotary joint, the traditional external tubing is omitted, the weight of the rotary joint of the manipulator is effectively reduced, its flexibility is improved, and the rotation will not interfere with the tubing like the traditional manipulator.
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