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Six-free-degree gravity balance mechanism

A technology of gravity balance and degree of freedom, which is applied in the field of mechanical engineering to achieve the effect of easy realization, small moment of inertia and high response frequency

Inactive Publication Date: 2008-01-16
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a six-degree-of-freedom gravity balance mechanism, which can solve the problem of the free state of objects in the ground-simulated space weightlessness environment

Method used

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  • Six-free-degree gravity balance mechanism

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0013] As shown in Figure 1, the present invention consists of a bearing 1, a first rotating pair 2, a second rotating pair 3, a balancer 4, a first moving pair 5, a third rotating pair 6, a ball pair 7, and a fourth rotating pair 8 , the fifth rotating pair 9, the hanging ring 10, the sixth rotating pair 11 and the seventh rotating pair 12, wherein: the first rotating pair 2 is connected to the support 1, and the second rotating pair 3 is connected to the first rotating pair 2 , the first moving pair 5 is connected with the third rotating pair 6, the rigid connecting rod between the fourth rotating pair 8 and the seventh rotating pair 12 is connected with the first moving pair 5 with the third rotating pair 6, the fifth The state of motion between the rotating pair 9, the sixth rotating pair 11, the seventh rotating pair 12 and the fourth rot...

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Abstract

The six-freedom gravity balance mechanism comprises pedestal, seven revolving pairs, balancer, first moving pairs, spheral pairs and suspension ring. In which the first revolving pairs connects with the pedestal, the second revolving pairs connects with the first revolving pairs, the first moving pairs connects with the third revolving pairs, the rigidity connecting lever between the fourth and seventh revolving pairs connects with the first pairs by the third revolving pairs. The suspension ring connects with the sixth and the fifths revolving pairs.

Description

technical field [0001] The invention relates to mechanical engineering, in particular to a six-degree-of-freedom gravity balance mechanism. Background technique [0002] At present, when simulating the space environment on the ground, the test device or object needs to be in a state of weightlessness, which requires gravity balance of the device or object. In the prior art, the method of hanging heavy objects is generally used to balance the gravity of devices or objects. This method provides limited degrees of freedom and cannot satisfy the state of weightless objects in space. However, according to the free state of the object in space, in the case of balancing the gravity, it is necessary to provide the object with six degrees of freedom, that is, three movements and three rotations, and during each rotation, the center of rotation remains unchanged. Generate derived motion. But this six-degree-of-freedom mechanism has not been reported yet. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G7/00
Inventor 房立金徐志刚王洪光陈书宏曲艳丽赵明扬
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI