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A kind of idler gear device and engine

An idler gear and gear shaft technology, applied in the field of idler gear shafts, can solve the problems of wear, uneven stress between idler gear shafts and bearing bushes, and achieve the effects of increasing the contact area, preventing eccentric wear and stabilizing the structure.

Active Publication Date: 2021-12-21
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the idler gear is a helical gear, during the rotation of the idler gear, due to the axial component force, the force on the idler gear shaft and the bearing bush is uneven, resulting in serious wear of the two.

Method used

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  • A kind of idler gear device and engine
  • A kind of idler gear device and engine

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Embodiment Construction

[0033] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0035] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but ...

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Abstract

The invention relates to the technical field of idle gear shafts, and discloses an idle gear device and an engine. The idler gear device includes an idler gear with a central hole; a bearing bush is arranged in the central hole of the idler gear, and the central hole of the bearing bush includes two symmetrically arranged tapered holes. The large-diameter end of the tapered hole is located on the outside of the bearing bush; two idler gear shafts, the idler gear shafts are frustum-shaped, and the two idler gear shafts are respectively arranged in the tapered hole, and can be relatively The bearing bush rotates, and a lubricating gap is provided between the outer wall of the idler gear shaft and the inner wall of the tapered hole. The idler gear device of the present invention can bear axial force, prevent the idler gear shaft from moving axially, and the idler gear shaft and the bearing bush from eccentric wear, and improve the reliability of the idler gear device.

Description

technical field [0001] The invention relates to the technical field of idle gear shafts, in particular to an idle gear device and an engine. Background technique [0002] The current idler gear assembly includes an idler gear shaft and an idler gear, a bearing bush is arranged between the idler gear and the idler gear shaft, the bearing bush and the idler gear are in interference fit, and the idler gear shaft can rotate relative to the bearing bush. [0003] In the current idler gear assembly, the idler gear shaft is a cylindrical shaft, and the idler gear is a spur gear or a helical gear. During the meshing transmission process of the idler gear and the external gear, the idler gear rotates relative to the idler gear shaft, and the idler gear shaft is easy to rotate relative to the axial direction of the bearing bush. Movement, it is necessary to add retaining rings or stoppers on both sides of the idler gear shaft to prevent the axial movement of the idler gear shaft. Whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/00F16H57/04F16D1/033F16C3/02F16H55/17F16C33/04
CPCF16H57/0031F16H57/0037F16H57/043F16D1/033F16C3/02F16H55/17F16C33/04
Inventor 韩景峰陈秀梅孙学明
Owner WEICHAI POWER CO LTD
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