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Spindle assembly for double-intermediate-shaft transmission

A technology of double intermediate shafts and transmissions, used in transmission parts, belts/chains/gears, mechanical equipment, etc., can solve the problems of high price, complicated assembly, and many parts, and achieve high durability, strong bearing capacity, and noise. low effect

Inactive Publication Date: 2012-07-11
SINO TRUK JINAN POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current spindle assembly positioning structure uses bearings to realize the axial positioning of the spindle assembly. There are many parts, high price and complicated assembly.

Method used

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  • Spindle assembly for double-intermediate-shaft transmission
  • Spindle assembly for double-intermediate-shaft transmission

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Experimental program
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Effect test

Embodiment Construction

[0011] In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation manner.

[0012] As shown in the accompanying drawings, a main shaft assembly for a double countershaft transmission includes a main shaft, a number of gears mounted on the main shaft, etc., the main shaft is provided with a long keyway suitable for the size of the main shaft, and the long keyway A hexagonal key 6 is installed inside, and the hexagonal key 6 is axially positioned by the elastic cylindrical pin 8. The gear is installed on the main shaft through the hexagonal key 6, and the main shaft adjustment mated with the hexagonal key 6 is installed on both sides of the gear. The washer 9, the main shaft adjusting washer 9 axially locates the gear. Among them, the gear, the hexagonal key, the main shaft, the elastic cylindrical pin and the main shaft adjusting washer cooperate with each other to form a whole. Through the coope...

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Abstract

Provided is a spindle assembly for a double-intermediate-shaft transmission. The technical scheme of the spindle assembly is that axial positioning of a gear on a spindle is achieved through eight spindle adjusting gaskets, radial positioning of the gear on the spindle is achieved through mutual mesh between the spindle gear and a countershaft gear, and the spindle assembly is simple in structure, strong in bearing capacity, short in axial length and low in noise. For the double-intermediate-shaft transmission, gears at all gear positions of the spindle float on the spindle in the radial direction, and axes of the spindle and a countershaft are located in the same plane, so that radial force generated by meshing of the gears offsets mutually, namely the spindle only transmits torque and resultant force of the spindle stressed by the radial force is zero. The spindle assembly is simple in positioning structure, strong in bearing capacity and high in durability, and prolongs service life of the double-intermediate-shaft transmission under the premise of not increasing cost.

Description

technical field [0001] The present invention is a main shaft assembly for double countershaft transmission. Background technique [0002] The transmission with double countershaft structure has the advantages of compact structure, small shifting force and long service life, and is widely used in road vehicles. The spindle assembly positioning structure currently used realizes the axial positioning of the spindle assembly through bearings, which has many parts, high price and complicated assembly. Contents of the invention [0003] The present invention aims at the deficiencies of the prior art, and provides a main shaft positioning structure, which is easy to install, has a low scrap rate, and has a long service life. The double intermediate shaft transmission adopting this positioning structure has reliable operation, fast shifting time, and fast shifting. Small force, etc., especially suitable for road vehicles. [0004] The present invention is achieved through the fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/023F16H57/022
Inventor 陶磊石红云王颖颖任福臣李法友
Owner SINO TRUK JINAN POWER
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