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Idle gear device and engine

A technology for idler gears and gear shafts, applied in the field of idler gear shafts, can solve the problems of wear, uneven force on idler gear shafts and bearing pads, etc., and achieve the effects of improving reliability, eliminating eccentric wear, and preventing axial movement

Active Publication Date: 2020-04-21
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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  • Idle gear device and engine
  • Idle 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 idle gear device comprises an idle gear, a bearing bush and two idle gear shafts.A center hole is formed in the idle gear. The bearing bush is arranged in the center hole of the idle gear. A center hole of the bearing bush comprises two conical holes symmetrically formed. The large-diameter ends of the conical holes are located outside the bearing bush. Each idle gear shaft is in a circular truncated cone shape. The two idle gear shafts are arranged in the conical holes correspondingly and can rotate relative to the bearing bush. A lubrication gap is formed between the outer wall of each idle gear shaft and the inner wall of the corresponding conical hole. The idle gear device can bear axial force and prevent axial movement of the idle gear shafts and eccentric wear of the idle gear shafts and the bearing bush, and reliability of the idle gear device is improved.

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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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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