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[CN 201910029490.0] A Double-DOF Joint of Hydraulic Manipulator Based on Double Cross Axis Fit
[CN 201910029490.0] Title of a double-degree-of-freedom joint of a hydraulic manipulator based on double-cross-axis cooperation: Application number of a double-degree-of-freedom joint of a hydraulic manipulator based on double-cross-axis cooperation: CN 201910029490.0 Applicant: Zhejiang University Application Date: 2019-1-13 Patent Type: Invention Application The invention discloses a double-degree-of-freedom joint of a hydraulic manipulator based on double-cross-axis cooperation, including a right manipulator cylinder assembly, a left cylinder assembly, a front assembly and a front end assembly; the front-end assembly of the mechanical arm includes the right end connecting the cross shaft, the left end connecting the cross shaft and the bracket flange; the horizontal rotation center line of the right end connecting the cross shaft and the end of the right piston rod form a rotation pair, and the vertical rotation center line and the right vertical rotation center line of the bracket flange form a rotation pair; the first horizontal rotation center line of the left end connecting the cross shaft and the left piston rod are connected through the rotation pair, the vertical rotation center line and the left vertical rotation center line of the bracket flange form a rotation pair; the present invention can simultaneously realize double-degree-of-freedom rotation around two axes by hydraulically driving the front end of the mechanical arm, and inherit the oil circuit in the cross axis, It can realize flexible action under heavy-duty working conditions, and has the advantages of integration, large force-to-weight ratio, flexible and stable action.
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