Anti-backlash gear device

A gear device and anti-backlash technology, which is applied in hoisting devices, portable lifting devices, belts/chains/gears, etc., can solve problems such as complex structures and difficult gear assembly, and achieve the effect of eliminating backlash and facilitating assembly

Pending Publication Date: 2017-09-15
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The circlip energy storage main and auxiliary gear dislocation anti-backlash gear device needs to disassemble the pre-positioning screw, and the structure is complicated, which makes it difficult to assemble the gear in the complex cavity

Method used

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Embodiment Construction

[0022] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0023] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0024] Such as figure 1 with figure 2 As shown, the specific structure of the anti-backlash gear device according to the specific embodiment of the present invention includes: a main gear 1 , a secondary gear 2 , a snap ring 3 and a flyweight 4 . Wherein, the central hole 22 of the secondary gear 2 is slidingly fitted on the hub 12 of the main gear 1, and the circlip 3 is arranged in the circlip groove 13 of the main gea...

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PUM

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Abstract

The invention discloses an anti-backlash gear device. The anti-backlash gear device comprises a main gear, an auxiliary gear, snap springs and flay hammers, wherein a plurality of radial sliding grooves are evenly distributed in the periphery of one side of a gear disk of the main gear, the radial sliding grooves are rounded rectangles, a hub extending outwards is arranged in the middle of the main gear, and snap spring grooves are formed in the peripheral side of the hub; a plurality of deflecting sliding grooves are evenly distributed in the periphery of one side of a gear disk of the auxiliary gear, the deflecting sliding grooves are rounded rectangles and are arranged corresponding to the radial sliding grooves of the main gear in a deflecting manner, a center hole is formed in the middle of the auxiliary gear and is arranged to be matched with the hub of the main gear in a sliding manner, and the radial sliding grooves and the deflecting sliding grooves of the auxiliary gear form buckling containing cavities; the snap springs are arranged in the snap spring grooves; and the fly hammers are cylindrical and are arranged in the buckling containing cavities in a sliding matched manner. According to the anti-backlash gear device, dislocation of the main gear and the auxiliary gear is achieved through the centrifugal force of the fly hammers, the gear backlash action is eliminated, a prepositioning screw is relieved, and the gears can be assembled in a complex cavity conveniently.

Description

technical field [0001] The invention relates to the field of engine transmission, in particular to an anti-backlash gear device. Background technique [0002] Anti-backlash gear unit is a common component device for high-efficiency engines. Anti-backlash gears are usually used in engine gear transmission to reduce motion noise. The common anti-backlash gear device has the circlip energy storage main and auxiliary gear dislocation type. The positioning screw is used to ensure the alignment of the main and auxiliary gear teeth. After meshing with the mating gear, the positioning screw is removed, and the circlip is clamped to achieve the misalignment of the main and auxiliary gear teeth, eliminating meshing The role of backlash. [0003] The circlip energy storage main and auxiliary gear dislocation anti-backlash gear device needs to disassemble the pre-positioning screw, and the structure is complicated, which makes it difficult to assemble the gear in the complex cavity. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/18
CPCF16H55/18
Inventor 吴培柱
Owner GUANGXI YUCHAI MASCH CO LTD
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