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Automobile longitudinal beam structure and manufacturing method thereof

A technology of automobile longitudinal beam and manufacturing method, which is applied to the substructure, manufacturing tools, vehicle parts, etc., can solve the problems of weak strength, affecting living space, bending deformation, etc., so as to improve stability and firmness, and improve anti-deformation. effect of ability

Active Publication Date: 2019-12-20
ZHEJIANG UFO AUTOMOBILE MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the local strength of the middle section of the longitudinal beam of the existing pure electric van logistics vehicle is weak, resulting in bending deformation during the frontal collision and affecting the living space

Method used

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  • Automobile longitudinal beam structure and manufacturing method thereof
  • Automobile longitudinal beam structure and manufacturing method thereof
  • Automobile longitudinal beam structure and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Refer to attached figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Image 6 As shown, a vehicle longitudinal beam structure in this embodiment includes a middle longitudinal beam body 100, an upper reinforcement plate 200 in the middle longitudinal beam section, a lower reinforcement plate 300 in the middle longitudinal beam section, a middle longitudinal beam body body 100, and an upper reinforcement plate 200 in the middle longitudinal beam section. The cross section of the lower reinforcing plate 300 in the middle section of the longitudinal beam is a U-shaped structure, the inner wall of the body 100 in the middle section of the longitudinal beam is fixedly connected with the outer wall of the lower reinforcing plate 300 in the middle section of the longitudinal beam, and the inner wall of the lower reinforcing plate 300 in the middle section of the longitudinal beam is connected to the The outer wall of the upper mid-section reinforcement plate 200 i...

Embodiment 2

[0047] Refer to attached figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 and Figure 7 As shown, the manufacturing method of a car longitudinal beam structure in the present embodiment is that the longitudinal beam middle section body 100, the longitudinal beam middle section upper reinforcing plate 200, the longitudinal beam middle section lower reinforcing plate 300, the longitudinal beam middle section support plate 400 and the The stringer stiffeners 500 are sequentially fitted with welded connections.

[0048] The manufacturing method of the present embodiment comprises the following steps:

[0049] S100, assembly, connecting the upper reinforcement plate 200 in the middle section of the longitudinal beam and the support plate 400 in the middle section of the longitudinal beam by two-layer spot welding to form an assembly;

[0050] S200, assembling, putting the lower reinforcing plate 300 of the middle longitudinal beam into the body 100 of the m...

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Abstract

The invention relates to an automobile longitudinal beam structure and a manufacturing method thereof, and belongs to the technical field of automobile longitudinal beams. The automobile longitudinalbeam structure comprises a longitudinal beam middle section body, an upper reinforcing plate of the longitudinal beam middle section and a lower reinforcing plate of the longitudinal beam middle section, wherein the sections of the longitudinal beam middle section body, the upper reinforcing plate of the longitudinal beam middle section and the lower reinforcing plate of the longitudinal beam middle section are of U-shaped structures; the inner wall of the longitudinal beam middle section body is fixedly connected to the outer wall of the lower reinforcing plate of the longitudinal beam middlesection in an attached mode; the inner wall of the lower reinforcing plate of the longitudinal beam middle section is fixedly connected to the outer wall of the upper reinforcing plate of the longitudinal beam middle section in an attached mode; a longitudinal beam middle section supporting plate is arranged in the upper reinforcing plate of the longitudinal beam middle section; the longitudinalbeam middle section supporting plate is of a U-shaped structure; fixing structures are arranged at the two ends of the longitudinal beam middle section supporting plate; and the fixing structures comprise a plurality of fixing plates perpendicular to each other. According to the designed automobile longitudinal beam structure, the anti-deformation capability is strong, the abnormal bending at a longitudinal beam avoiding wheel cap is avoided, the collision energy absorption is not influenced, and the living space of passengers in an automobile is further not reduced.

Description

technical field [0001] The invention belongs to the technical field of automobile longitudinal beams, and more specifically relates to an automobile longitudinal beam structure and a manufacturing method thereof. Background technique [0002] The middle section of the longitudinal beam of the existing pure electric van logistics vehicle interferes with the tire envelope. Since the tire envelope cannot be changed, the section of the middle section of the longitudinal beam is partially avoided. The package is prone to abnormal bending, and the longitudinal beam crush mode is abnormal, which in turn affects the absorption of collision energy and affects the living space of the occupants in the vehicle. Contents of the invention [0003] 1. The technical problem to be solved by the invention [0004] The purpose of the present invention is to solve the problem that the local strength of the middle section of the longitudinal beam of the existing pure electric van logistics ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D21/02B23K31/00B23K37/00
CPCB62D21/02B23K31/00B23K37/00Y02T10/40
Inventor 张海斌寇菲黄晋媛高坤王东强陈勇敢裴珊珊刘文冲
Owner ZHEJIANG UFO AUTOMOBILE MFG CO LTD
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