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Position limiting mechanism for realizing whole-turn rotation

A technology of limiting mechanism and limit ring, which is applied in the direction of preventing/limiting/restoring the movement of parts of the control mechanism, mechanical control devices, instruments, etc., and can solve problems such as large application limitations and hard limit impacts

Active Publication Date: 2016-05-11
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of the prior art or the large application limitations, or the adverse effects of impact caused by the rigid contact of the hard limit, and provide a position limit mechanism that realizes full-circle rotation

Method used

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  • Position limiting mechanism for realizing whole-turn rotation
  • Position limiting mechanism for realizing whole-turn rotation

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Embodiment Construction

[0020] In the following, a position limiting mechanism that realizes a complete rotation of the present invention will be introduced in conjunction with the drawings and embodiments:

[0021] Such as figure 1 , 2 As shown, a position limiting mechanism that realizes a complete revolution includes a limit slider 1 , a limit ring 2 , a spring, a vertical shaft 4 and an end cover 5 . Among them, the fixed base 6 has a metal cylindrical shape with a narrow upper part and a wider lower part. The vertical shaft 4 is a cylindrical shape with a wide top and a narrow bottom. It is the azimuth axis of the turntable and is installed inside the fixed base 6, coaxially installed with the fixed base 6. The limit ring 2 is annular, and a cuboid-shaped fixed block is provided on one side of its bottom, which is installed on the top of the vertical shaft 4. The upper end of the limit ring 2 is threadedly connected with the lower end of the fork frame 3, and the limit ring 2 The lower end is...

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Abstract

The invention belongs to engineering measurement technical field and relates to a position limiting mechanism for realizing whole-turn rotation. The objective of the invention is to solve the problem of impact caused by serious limitation or hard limiting rigidness in the prior art or application. The position limiting mechanism is characterized in that the position limiting mechanism includes a limiting slider (1), a limiting ring (2), springs and an end cover (5); one side of the bottom of the limiting ring (2) is provided with a fixing block; the limiting ring (2) is installed at the top of a vertical shaft (4); the upper end of the limiting ring (2) is connected to the lower end of a fork frame (3); the lower end of the limiting ring (2) is connected to the vertical shaft (4); an oblong groove is formed in the ring wall of the end cover (5); the end cover sleeves the limiting ring (2) and is fixed to the upper part of a fixing base (6); the limiting slider (1) is installed in a limiting slider mounting groove; and the two springs are arranged in the limiting slider mounting groove. According to the position limiting mechanism of the invention, the non-fixed type limiting block is adopted; and in a whole-turn rotation process, the non-fixed type limiting block can move along a circumferential direction at the rotation direction of the main shaft through contacting with the fixing block, so that a whole-turn rotation function can be realized.

Description

technical field [0001] The invention belongs to the technical field of engineering measurement, and in particular relates to a position limiting mechanism for realizing full-cycle rotation. Background technique [0002] The limit structure is widely used in the mechanical structure. The limit structure can effectively guarantee the movement stroke of the mechanism in the overall mechanical structure and ensure the stroke range in the actual use of the machine. [0003] There are various types of limit structure design. At present, two kinds of limit structures are commonly used in design, namely active limit structure and passive limit structure. The active limit mechanism undertakes external stress for the mechanism itself, undertakes the rotation and displacement changes of the mechanism during the stress process, and prevents the orientation change of the structure along the stress direction. This kind of mechanical structure is complicated, and its application limitatio...

Claims

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Application Information

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IPC IPC(8): G05G5/00
Inventor 宋金城刘柯郑明珠高越董利军缪寅宵姜云翔
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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