Master-slave mode two-in-parallel twelve degree of freedom generalized force adjustment loading mechanism

A technology of compliant mechanism and loading mechanism, applied in the directions of supporting machines, mechanical equipment, strength characteristics, etc., can solve the problems of limited control accuracy of loading surface stiffness, system stability vibration, shock, and difficulty in dynamic synchronous loading, etc., to achieve universality Good, high precision, good reliability

Inactive Publication Date: 2007-08-15
ZHEJIANG UNIV
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Problems solved by technology

Chinese patent: Generalized loading system based on parallel six-degree-of-freedom platform, patent number: ZL200310108997.4 Aiming at this problem, a generalized loading scheme based on parallel multi-degree-of-freedom mechanism was proposed, but it failed to solve the problems caused by the mechanism coupling and th

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  • Master-slave mode two-in-parallel twelve degree of freedom generalized force adjustment loading mechanism

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] As shown in Figure 1, it includes a loading system based on a parallel six-degree-of-freedom mechanism composed of a six-way hydraulic cylinder 3 passing through a Hooke hinge 2 between the base 1 and the active parallel six-degree-of-freedom mechanism motion platform 4; it is characterized in that: Between the motion platform 4 of the parallel six-degree-of-freedom loading mechanism and the active platform 7 of the driven parallel six-degree-of-freedom compliance mechanism, the six-way axial force sensor 6 is arranged according to the SPS parallel six-degree-of-freedom mechanism with a ball joint 5 to form a six-dimensional Force / moment detection device; the driven parallel six-degree-of-freedom compliance mechanism consists of the active platform 7 of the driven parallel six-degree-of-freedom compliance mechanism, the driven platform 10 of the d...

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Abstract

The invention discloses a parallel twelve-freedom loading device, used in spatial loading test and fatigue test on aviation material, comprising a Stewart active parallel six-freedom loading device, a SPS six-dimension force/torque sensor and a SPS inactive parallel six-freedom adjuster, wherein the Stewart active parallel six-freedom loading device simulates the spatial motion, the active and inactive platforms of inactive parallel six-freedom adjuster follows to operate and draw or compress the bidirectional isomorphism spring device, to test wide force dynamical load, to supply high accuracy and better reliability to the six-freedom wide force dynamic synchronous loading system, to be used in spatial-ground semi-physical simulation test or the like.

Description

technical field [0001] The invention relates to a multi-degree-of-freedom force / moment loading and load simulation system, in particular to a master-slave double-parallel twelve-degree-of-freedom generalized force-compliant loading mechanism. Background technique [0002] The generalized loading system is used to simulate complex and changing six-dimensional generalized forces in special working environments. It can be used in space-to-ground simulation experiments, aerospace material fatigue comprehensive experiments, and load simulation experiments. [0003] The loading and driving methods of the current loading system and load simulation system basically belong to single-degree-of-freedom electro-hydraulic drive, so only single-degree-of-freedom loading can be performed. Chinese patent: Generalized loading system based on parallel six-degree-of-freedom platform, patent number: ZL200310108997.4 Aiming at this problem, a generalized loading scheme based on parallel multi-de...

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Application Information

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IPC IPC(8): F16M11/00G01N3/00G01N19/00
Inventor 王宣银吴乐彬程佳李强
Owner ZHEJIANG UNIV
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