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Medium-sized car drive axle housing semi-axis sleeve welding process

A half-shaft casing and welding technology, which is applied in the direction of axles, welding equipment, gas flame welding equipment, etc., to achieve the effect of solving the bending strength

Inactive Publication Date: 2008-05-28
JIANGXI JIANGLING CHASSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a medium-sized automobile drive axle axle casing half shaft casing welding process, which solves the problem of using CO 2 In the case of gas shielded welding, problems such as the bending strength of the half-shaft casing girth weld and the torsional strength of the brake mounting flange weld

Method used

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  • Medium-sized car drive axle housing semi-axis sleeve welding process
  • Medium-sized car drive axle housing semi-axis sleeve welding process

Examples

Experimental program
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Effect test

Embodiment 1

[0017] 1) The mounting flange 3-2 of the brake is separated from the axle bushing 3-1, and the mounting flange 3-2 of the brake is welded on the axle housing body 3-3;

[0018] 2) The mounting flange 3-2 of the brake is directly welded on the axle housing body 3-3, the periphery of the weld seam of the outer ring is fully welded, the shape of the weld seam is concave arc shape, the welding toe is 5mm high and 8mm wide; the inner ring is welded The 270° range around the seam is welded, and the 90° range below is not welded. The shape of the weld seam is concave arc shape, the welding toe is 6mm high and 5mm wide;

[0019] 3), the axle casing 3-1 and the axle housing body 3-3 are butt welded through the inner lining ring 3-4, the welding groove is 60°, the axle body 3-3 is chamfered at 15°, the axle casing 3- 1 Chamfer 45°.

[0020] Through bench fatigue test verification, the strength reaches more than 800,000 times.

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Abstract

The invention belongs to the automobile driving axle housing processing field, relating to a welding process of a half-shaft sleeve of medium automobile driving axle housing. An installation flange of a brake is separated from the half-shaft sleeve; the flange is welded on an axle housing body; the circumference of the welded seam of an external ring is fully welded, the circumference of the welded seam of an internal ring is welded by 3 / 4, and 1 / 4 range (88 to 92 DEG) of the lower edge is not welded. The invention can lead the circular welded seam of the half-shaft sleeve to outwards move by 60mm; by calculation, the stress born by the circular welded seam is reduced by 29.7%, thus meeting the bearing capability of a rear axle. Meanwhile, the invention solves the problems of the bending strength of the half-shaft sleeve circular welded seam and the torsion strength of the welded seam of the installation flange of the brake, etc.

Description

technical field [0001] The invention belongs to the field of automobile drive axle housing processing and relates to a medium-sized automobile drive axle housing half-axis casing welding process. Background technique [0002] At present, there are the following ways to connect the half-shaft bushings of the drive axle housing of medium-sized automobiles: as shown in Figure 1, the mounting flange 1-2 of the brake is integrated with the half-shaft bushing 1-1, and the half-shaft bushing 1-1 has a shut up. As shown in Figure 2 again, the mounting flange 2-2 of the brake is cast into one with the axle housing 2-3, and the axle sleeve pipe 2-1 is pressed in the axle housing and fixed with the screw 2-4. [0003] Disadvantages of the process in Figure 1: the ring weld of the half shaft is closer to the leaf spring seat of the axle housing, and the stress on the ring weld is large. In the case of the same specification, it is difficult to meet the bearing capacity of the axle hous...

Claims

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Application Information

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IPC IPC(8): B60B35/16B23K5/02
Inventor 黄平辉唐思成揭钢江天祥
Owner JIANGXI JIANGLING CHASSIS CO LTD
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