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Axial fixing method for disc-like components mounting on axle

A technology of disc parts and journals, which is applied in the field of axial fixing of disc parts, can solve the problems of difficulty in realization and short axial dimension.

Inactive Publication Date: 2008-09-17
CHENGDU TOOL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this fixing method is reliable and the axial dimension of the shaft journal of the shaft 1 is relatively short, the outer diameter of the disk parts is relatively large, and the diameter of the step 8 of the shaft 1 must also be relatively large, and the larger diameter, in a certain In some cases, it is difficult to realize
[0006] The above three methods all have certain shortcomings, which cannot solve the problem that the diameter of the shaft step for installing disc parts is small, the axial dimension of the journal is short, and the diameter of the disc parts is small. On the problem of reliable fixation in the axial direction

Method used

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  • Axial fixing method for disc-like components mounting on axle
  • Axial fixing method for disc-like components mounting on axle
  • Axial fixing method for disc-like components mounting on axle

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Embodiment Construction

[0024] The disc part 3 is mounted on the shaft 1 through the key 2, and the end face 7 of the disc part 3 is tightly abutted on the step 8 of the shaft 1 with 3 set screws 4, and the 3 sets of screws 4 are used to lock it. . The inner hole of the disc part 3 and the journal of the shaft 1` have a clearance fit of 0 or 0.1 or 0.125mm. The distance between the circle 5 where the 3 screw holes of the disc part 3 is located and the end face 7 must be greater than that of the shaft 1. The distance from the center of the trapezoidal groove on the journal of the shaft to the step 8; the distance between the plane where the circumference 5 is located and the plane 6 where the center line of the ring groove 9 is located is 0.3mm or 0.7mm or 1mm. The size of the trapezoidal ring groove on the journal of the shaft 1 must be adapted to the set screw 4 used.

[0025] Adopt attached Figure 5 Under the premise of ensuring sufficient rigidity, the size of the disc parts 3 and the shaft 1 can be ...

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Abstract

The present invention relates to an axial fixing method for mounting disk-like part on the shaft. Said method includes the following steps: (a), machining step on the shaft to form shaft neck, on the column surface of said shaft neck machining ring groove whose section is made into trapezoidal form; (b), machining inner hole of disk-like part and making it and shaft neck of shaft form smaller clearance fit; (c), axially fixedly-connecting disk-like part and shaft neck of said shaft; and (d), using retention screw to fasten the disk-like part on said shaft.

Description

Technical field: [0001] The present invention is related to the axial fixing method of the disc type parts which transmit torque. Background technique: [0002] The disc parts (especially the disc parts that transmit torque) are mounted on the shaft, and the reliable fixation in the axial and radial directions is an important condition for ensuring the reliable operation of the parts. The parts are mounted on the shaft, and the anti-rotation between the parts and the shaft is mostly fixed by keys; however, there are usually multiple methods for axial fixing of the parts on the shaft. [0003] figure 1 After the disc part 3 is installed on the shaft 1 through the key 2, the two round nuts 11 are used for axial fixing and locking. In this method, the axial dimension of the part shaft 1 must be lengthened, and at the same time, due to the change of the forward and reverse rotation of the disc-like parts and mechanical vibration, the two round nuts may loosen, causing the axial fix...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B21/00F16B21/10
Inventor 梁军邓上刘阳徐之江
Owner CHENGDU TOOL RES INST
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