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Method for assembling gear set and special tool thereof

An assembly method and technology of a gear set, applied in the field of mechanical transmission, can solve problems such as inconvenience, and achieve the effects of reducing testing and manufacturing costs, reducing functional requirements, and simplifying technological processes

Active Publication Date: 2011-07-13
CRRC QISHUYAN INSTITUTE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to the applicant's understanding, the angular position of the gears during assembly after separate processing needs to be guaranteed by means of special detection means, which is very inconvenient.

Method used

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  • Method for assembling gear set and special tool thereof
  • Method for assembling gear set and special tool thereof
  • Method for assembling gear set and special tool thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0020] In this embodiment, the assembly of a gear set composed of two large and small gears is taken as an example.

[0021] Make special tooling first, such as figure 1 and figure 2 As shown, the main body of the seat body 1 with the axis of the gear to be assembled as the center of the special tooling is in the shape of a ring, and extension arms extend from both sides of the ring body. There are a pair of radially extending first positioning grooves 3 near the position corresponding to the small (first) gear indexing circle on both sides of the center of the annular main body, and a pair of radially extending first positioning grooves 3 are formed on one of the extension arms corresponding to the large (second) gear indexing A second positioning groove 2 extending radially is opened at the circle position. The angular position of the first positioning groove and the second positioning groove corresponds to the angular position of the assembled first gear and the second g...

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Abstract

The invention relates to a method for assembling a gear set and a special tool thereof, which belong to the technical field of mechanical transmission. The method comprises the following steps: firstly manufacturing the special tool comprising a seat body, a first positioning groove, a second positioning groove, first positioning pins and a second positioning pin; placing a first gear between thetwo first positioning pins in a way that extended sections of the first positioning pins are closely attached to the tooth flank of the first gear; and then taking the first gear as a reference and arranging a second gear on the first gear in a way that the extended section of the second positioning pin is closely attached to the tooth flank of the second gear, and after the first and second gears are securely fixed, taking the first and second gears down. By means of the special tool, the method of the invention has the advantages of simplifying process procedures, ensuring the accuracy of angular positions after the gears are assembled in individual machining, needing no detection apparatus, reducing functional requirements on the purchasing of equipment and reducing the detection and manufacturing cost of products, and is practicable.

Description

technical field [0001] The invention relates to a method for assembling a gear set, and also relates to a special tool for realizing the method, belonging to the technical field of mechanical transmission. Background technique [0002] Gear sets are very common in mechanical transmissions. When the coaxial gears in the gear set are manufactured, not only each gear has its set gear precision, but also the angular position between each other has strict requirements. For the integrally processed coaxial gears, the requirements for their mutual angular positions can be met through the machine tool itself while ensuring the machining accuracy. [0003] However, for coaxial gears with large differences in parameters such as diameter and number of teeth, or with very compact structures, the overall manufacturing is not only labor-intensive and material-intensive, but also difficult to process. For this reason, sometimes the gears are processed separately and then assembled togeth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P21/00B25B11/02
Inventor 吴国庆吴刚李庆林
Owner CRRC QISHUYAN INSTITUTE CO LTD
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