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Trailer traction saddle welding process method

A welding process and saddle technology, which is applied in the field of trailer traction saddle welding process, can solve the problems of blank length and width error, large welding transfer gap, affecting welding deformation, etc., so as to reduce welding deformation and uniform assembly gap. Consistent and improve the effect of pass rate

Pending Publication Date: 2021-12-21
哈尔滨建成北方专用车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention solves the problem that the sliding plate of the trailer traction saddle is seriously deformed after the conventional welding method is used to weld the trailer traction saddle, and when cutting the material in the initial stage, manual operation is adopted, and the length and width of the blank have problems. Error, the large welding transfer gap also affects the welding deformation, which leads to the problem of low pass rate of finished products, and a welding process method for trailer traction saddle is proposed

Method used

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  • Trailer traction saddle welding process method
  • Trailer traction saddle welding process method

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specific Embodiment approach 1

[0019] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, a kind of trailer traction saddle welding process method described in this embodiment, its specific method is as follows:

[0020] Step 1. Use a CNC cutting machine to blank the material, and use a plate bender to bend the cut plate to make longitudinal ribs 1, No. 1 transverse ribs 2 and No. 2 transverse ribs 3;

[0021] Step 2. Weld the longitudinal rib 1, the No. 1 transverse rib 2 and the No. 2 transverse rib 3 processed in step 1 to the lower surface of the slide plate 4, and one side of the longitudinal rib 1 is welded with a No. 1 transverse rib 2, And the other side of the longitudinal rib 1 is welded with the No. 2 transverse rib 3, and the axes of the No. 1 transverse rib 2 and the No. 2 transverse rib 3 are arranged in line;

[0022] Step 3, after welding, the part is annealed;

[0023] In this specific implementation mode, a numerical control cutting machine is used...

specific Embodiment approach 2

[0024] Specific implementation mode two: combination figure 2 Describe this embodiment, this embodiment is a further limitation of the process method described in the specific embodiment one, a kind of trailer traction saddle welding process method described in this embodiment mode, the specific welding method of the described step two is as follows :

[0025] First, weld the weld between the two sides of the longitudinal rib 1 and the upper surface of the slide plate 4. Two welders weld at the same time, welding from the middle to both ends. Stop welding after the length of the weld is 30mm, and then weld the longitudinal rib 1 and the traction The weld at the link of pin 5 is also welded from the middle to both ends, and the length of the weld is 30mm; then assemble the No. 1 transverse rib 2 and the No. 2 transverse rib 3, and two welders weld No. 1 from the middle to both ends at the same time. The welding seam at the connection between one side of the transverse rib 2 a...

specific Embodiment approach 3

[0026] Specific implementation mode three: combination figure 2 Describe this embodiment, this embodiment is a further limitation of the process method described in the second specific embodiment, a kind of trailer traction saddle welding process method described in this embodiment, the welding rod used in the second step described It is a J507 electrode with a diameter of 4mm.

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Abstract

The invention discloses a trailer traction saddle welding process method and relates to the technical field of welding. In order to solve the problems that after the trailer traction saddle is welded through an existing welding method, a sliding plate of the trailer traction saddle is seriously deformed, the qualified rate of finished products is lower due to the fact that errors exist in the length and the width of a blank caused by adopting manual operation during blanking in the initial stage, a numerical control cutting machine is adopted for the blanking, a plate bending machine is used for bending a cut plate, three kinds of reinforcing ribs are manufactured, the size and quality of a reinforcing groove are guaranteed, it is guaranteed that assembly gaps of welding joints are uniform and consistent in the subsequent assembly process, and the welding deformation amount is reduced; secondly, leftover materials are used for the blanking and bending manufacturing, so that the production cost of the products is reduced, and the total weight of a whole trailer is further reduced, and by adopting the welding mode, the phenomenon of serious deformation of the sliding plate after welding operation is prevented, so that the qualified rate of the finished products is improved, and the working efficiency is improved. The method is suitable for the technical field of welding.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a welding process method for a trailer traction saddle. Background technique [0002] Lightweight is the development trend of the domestic trailer industry. In order to save costs, reduce the weight of the whole vehicle, and improve product market competitiveness, the slide plate of the traction saddle of the trailer is changed from the original 18mm to the current 12mm if the design allows. To a certain extent, the total mass and cost of the whole vehicle have been reduced, but new problems have emerged. The thinner skateboard has reduced rigidity, and the deformation is relatively large after the assembly and welding of the traction saddle is completed; the main reasons for the deformation are as follows. It is because the design thickness of the slide plate is thinner that leads to larger welding deformation; secondly, the reinforcement groove of the traction saddle is made o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B62D53/08
CPCB23P15/00B62D53/08
Inventor 程波马殿武吴玉钢曹国斌王大龙
Owner 哈尔滨建成北方专用车有限公司
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