Angle amplification parallel mechanism

A technology of angle magnification and parallel connection, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve problems such as small workspace

Inactive Publication Date: 2012-01-11
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main problem is that the space structure is realized by using the moving pair or rotating pair and rods, and because the rods are easy to interfere in space, the working space is small

Method used

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Embodiment Construction

[0015] like figure 1 , figure 2 , image 3 Shown:

[0016] The angle magnifying parallel mechanism of the present invention includes a transmission mechanism and a driving mechanism. The transmission mechanism is composed of an upper platform 2, a plurality of intermediate transmission bodies 3 and a lower platform 5. There are four drive mechanisms, respectively left drive mechanism 19, front drive mechanism 20, right drive mechanism 21, rear drive mechanism 22, and their structure is identical; The reducer is composed of 8.

[0017] Its positional relationship is:

[0018] The upper platform 2 installs or places the object 1, and the lower platform 5 is connected with the fixed seat 9; the upper edge of the upper platform 2, the lower platform 5 and the middle transmission body 3 are all provided with a plurality of flexible cable holes 12 uniformly distributed along the circumferential direction; The structure of the mechanism is the same, and the left drive mechanis...

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Abstract

The invention relates to an angle amplification parallel mechanism for adjusting attitude of a space object. The angle amplification parallel mechanism consists of a transmission mechanism and a driving mechanism; an upper platform, middle transmission bodies and a lower platform in the transmission mechanism are provided with flexible cable holes; a motor and a decelerator in the driving mechanism are fixed on a mounting plate, and the mounting plate is fixed on a fixed seat; the upper platform, the middle transmission bodies and the lower platform are connected by flexible cables through the flexible cable holes; and the output shaft of the motor is coaxially connected with the input shaft of the decelerator, and the output shaft of the decelerator is connected with the flexible cables. The angle amplification parallel mechanism overcomes the defect of small working space in the prior art. According to the angle amplification parallel mechanism, angle amplification is realized by rolling of multiple middle transmission bodies; and meanwhile, multiple flexible cables are controlled, so that the tail end can reach a random position of the space, namely the upper platform can reach a random position of the space. Because each middle transmission body rolls, the rotating angle of the upper platform can be amplified.

Description

technical field [0001] The invention relates to an angle-magnifying parallel mechanism, in particular to an angle-magnifying parallel mechanism for adjusting the attitude of space objects. Background technique [0002] The research on parallel mechanisms can be traced back to the 1930s. In 1931, Gwinnett proposed an entertainment device based on a spherical parallel mechanism in his patent; in 1940, Pollard proposed a space industrial parallel mechanism in his patent, which was used for car painting; then Gough invented in 1962 A six-degree-of-freedom tire detection device based on a parallel mechanism; in 1965, Stewar, Germany, conducted a mechanical study on this mechanism invented by Gough for the first time, and used it as a flight simulator motion generation device to train pilots, so it was named For the Sewart agency. In 1978, Hunt, a famous Australian professor of mechanics, proposed for the first time the use of a six-degree-of-freedom parallel mechanism for a rob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/08B25J13/00
Inventor 朱兴龙张颖
Owner YANGZHOU UNIV
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