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A method for prolonging the service life of a commercial vehicle gearbox synchronizer

A technology for synchronizers and gearboxes, which is applied to components with teeth, transmission control, belts/chains/gears, etc. It can solve the problems of synchronizer fatigue damage, synchronizer impact, and affect service life, etc., to achieve extended use Longevity, small changes, and easy-to-achieve effects

Active Publication Date: 2020-02-18
DONGFENG COMML VEHICLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the shift cylinder with synchronizer for commercial vehicles will have a large impact on the synchronizer when the main box of the gearbox is in the gear position, making the synchronizer prone to fatigue damage during use, thus affecting its service life

Method used

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  • A method for prolonging the service life of a commercial vehicle gearbox synchronizer
  • A method for prolonging the service life of a commercial vehicle gearbox synchronizer
  • A method for prolonging the service life of a commercial vehicle gearbox synchronizer

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Embodiment 1

[0037] see Figure 1 to Figure 4 , a method for prolonging the service life of a commercial vehicle gearbox synchronizer, the method is aimed at a shift cylinder with a synchronizer, including a shift cylinder 1, a synchronizer 2 matched with the shift cylinder 1, the shift cylinder 1 Including the shift cylinder body 11 and the No. 1 intake pipe 12 and No. 2 intake pipe 13 provided outside, the inner cavity 111 of the shift cylinder body 11 is provided with a cylinder piston 112, and one side of the cylinder piston 112 passes through The piston rod 3 is connected to one end of the shift fork 4, and the outer wall of the other end of the shift fork 4 is inserted into the inner wall of the gear sleeve 21 of the synchronizer 2. The No. 1 intake pipe 12 and the No. 2 intake pipe 13 The interior of No. 1 air intake pipe 121 and No. 2 air intake pipe 131 are arranged respectively, and the two ends of the No. 1 air intake pipe 121 and No. 2 air intake pipe 131 communicate with the o...

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Abstract

The invention provides a method for prolonging the service life of a synchronizer of a gearbox of a commercial vehicle. The method aims at a gear shifting air cylinder with the synchronizer. Firstly,reasonable synchronizer locking tooth impact force is calculated through a specific formula, and the internal structure of the gear shifting air cylinder is subjected to throttling design according tothe locking tooth impact force. By means of the design, the service life of the synchronizer can be remarkably prolonged, and gear shifting force, down-shifting force and gear shifting time of the gearbox cannot be affected.

Description

technical field [0001] The invention belongs to the field of automobile transmission variable speed running system, and in particular relates to a method for prolonging the service life of a commercial vehicle gearbox synchronizer. Background technique [0002] The gearbox shift cylinder is mainly used in automobile gearboxes. It drives the shift fork to move through the piston rod under the action of air pressure, so as to realize the back and forth switching of resistance, neutral and high gear. At present, the shift cylinder with synchronizer for commercial vehicles will have a large impact on the synchronizer when the main box of the gearbox is in the lower gear position, which makes the synchronizer prone to fatigue damage during use, thereby affecting its service life. Contents of the invention [0003] The purpose of the present invention is to provide a method for prolonging the service life of a commercial vehicle gearbox synchronizer to solve the problem of short...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/30
CPCF16H61/30
Inventor 占伟连威吴志红王树彬冯光伟
Owner DONGFENG COMML VEHICLE CO LTD
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