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High-precision gear

A high-precision, gear technology, applied to belts/chains/gears, components with teeth, portable lifting devices, etc., can solve the problems of output components that cannot be accurately positioned, cannot be correctly controlled and combined with output components, and extend the service life The effect of long length, simple modification and cost reduction

Inactive Publication Date: 2016-04-06
CHONGQING ATEC TEST EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Gears are generally used for acceleration or deceleration. Existing gears generally include sun gears, brackets, ring gears and planetary gears. However, there will be backlash at the meshing position of planetary gears, sun gears and ring gears. Due to the existence of this backlash, There will be a problem that the output member on the combined epicyclic gear mechanism cannot be correctly controlled, or the rotational position of the epicyclic gear mechanism device, resulting in the inability of the output member to be positioned accurately

Method used

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment

[0017] The present invention is described further:

[0018] Such as Figure 1-Figure 3 As shown, a high-precision gear includes a sun gear 20, a ring gear 30 and a frame body 50. The sun gear 20 is sleeved on the input shaft 2, and the ring gear 30 is sleeved on the output shaft 4. The sun gear A first planetary gear 41, a second planetary gear 42, a third planetary gear 43 and a fourth planetary gear 44 are arranged between the ring gear 20 and the ring gear 30; the gear module of the first planetary gear 41 is 4;

[0019] The first planetary gear 41 , the second planetary gear 42 , the third planetary gear 43 and the fourth planetary gear 44 mesh with the sun gear 20 and the ring gear 30 simultaneously;

[0020] The frame 50 includes a first frame 52 and a second frame 56, the first frame 52 includes a first planetary gear support portion 53, and the second frame 56 includes a second planetary gear supp...

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Abstract

The invention discloses a high-precision gear. The high-precision gear comprises a sun gear, a ring gear and a frame body; an input shaft is sleeved with the sun gear, and the ring gear is arranged on an output shaft in a sleeving manner; a first planet gear, a second planet gear, a third planet gear and a fourth planet gear are arranged between the sun gear and the ring gear; and the first planet gear, the second planet gear, the third planet gear and the fourth planet gear are meshed with the sun gear and the ring gear at the same time. The problem that an output component cannot be precisely positioned can be effectively solved, and the beneficial effects of being simple in transformation and long in service life, reducing cost and the like are achieved.

Description

technical field [0001] The invention relates to a gear, in particular to a gear capable of precise positioning. Background technique [0002] Gears are generally used for acceleration or deceleration. Existing gears generally include sun gears, brackets, ring gears and planetary gears. However, there will be backlash at the meshing position of planetary gears, sun gears and ring gears. Due to the existence of this backlash, There will be a problem that the output member combined with the epicyclic gear mechanism cannot be correctly controlled, or the rotation position of the device provided with the epicyclic gear mechanism, so that the output member cannot be positioned accurately. [0003] Therefore, those skilled in the art are devoting themselves to developing a gear structure capable of precise positioning. Contents of the invention [0004] In view of the above-mentioned defects of the prior art, those skilled in the art are devoting themselves to developing a gear ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17
CPCF16H55/17F16H2055/176
Inventor 许斌周建谢绍军
Owner CHONGQING ATEC TEST EQUIP