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[CN 201721056285.6] Rotating joint shaft of hydraulic manipulator with internal oil circuit
[CN 201721056285.6] Rotary Joint Shaft Title of Hydraulic Manipulator with Internal Oil Circuit: Rotary Joint Shaft Application Number of Hydraulic Manipulator with Internal Oil Circuit: CN 201721056285.6 Applicant: Chongqing Lanlue Road New Technology Co., Ltd. Application Date: 2017-8-22 Patent Type: Utility Model The utility model discloses a rotary joint shaft of a hydraulic manipulator with internal oil circuit, including a joint shaft body, in which at least one hydraulic oil flow channel is provided, the hydraulic oil flow channel includes an axial shunt blind hole and a radial shunt blind hole. The axial shunt blind hole and the radial shunt blind hole are connected to form a hydraulic oil flow channel. The beneficial effect of adopting the utility model is that the hydraulic oil passes through the axial shunt The blind hole flows into the joint shaft body, and then flows out from the radial shunt blind hole into other shaft sleeves that also have internal flow passages. The flow channel of hydraulic oil is arranged inside the joint shaft body, 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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