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High-strength automobile torsion beam manufactured and formed by thermal forming steel

A hot-formed steel, high-strength technology, applied to vehicle components, interconnection systems, suspensions, etc., can solve problems such as torsional deformation of torsion beams and dents in the side walls of torsion beams, to improve torsional stiffness, reduce processing steps, and improve The effect of service life

Pending Publication Date: 2019-10-25
天人汽车底盘(芜湖)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to reduce the weight, the current torsion beam is generally hollow, but the torsion beam needs to bear a certain amount of torsion when the car is running. After a long period of use, the torsion beam is prone to torsional deformation, and the side wall of the torsion beam is dented.

Method used

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  • High-strength automobile torsion beam manufactured and formed by thermal forming steel
  • High-strength automobile torsion beam manufactured and formed by thermal forming steel
  • High-strength automobile torsion beam manufactured and formed by thermal forming steel

Examples

Experimental program
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Effect test

Embodiment 1

[0037] A high-strength automobile torsion beam made of hot-formed steel, including a main body formed by pressing the hot-formed steel. Specifically, the hot-formed steel in this embodiment is a hot-formed steel plate. like figure 1 and figure 2 As shown, there is a cavity inside the main body, and the main body includes a left end section 3, a left transition section 2, a middle section 1, a right transition section and a right end section from left to right, and the outer diameter of the middle section 1 is smaller than that of the left end section 3 and the outer diameter of the right end section, wherein the left end section 3 and the right end section are symmetrical along the center line of the middle section 1, the left transition section 2 and the right transition section are symmetrical along the center line of the middle section 1, and the left end section 3, the left The surfaces of the transition section 2, the middle section 1, the right transition section and t...

Embodiment 2

[0043] On the basis of Example 1, the temperature of the hot-formed steel plate in this example is 900-980°C. Specifically, the temperature in this example is 950°C. Both the left transition section 2 and the right transition section are slidingly connected with heat insulation ring, such as Image 6 and Figure 7 As shown, the heat insulation ring includes a metal ring 6, a heat insulation layer 62 and an elastic layer, specifically, as Figure 7 As shown, the outer diameter of the metal ring 6 in this embodiment is smaller than the inner diameter of the left end section 3 and the right end section and greater than the inner diameter of the middle section 1, so when the metal ring 6 wants to slide towards the middle section 1, it can only slide to the left transition section 2 and within the right transition segment. The elastic layer is made up of four metal sheets 61, the left ends of the four metal sheets 61 are all welded on the inner wall of the metal ring 6, and the a...

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Abstract

The invention relates to the field of car accessories, and specifically discloses a high-strength automobile torsion beam manufactured and formed by thermal forming steel. The high-strength automobiletorsion beam comprises a main body, wherein a sealed cavity is formed in the main body, the main body is formed by pressing the thermal forming steel, the main body comprises a left head section, a left transition section, a middle section, a right transition section and a right head section in sequence in an axial direction, the outside diameter of the middle section is less than that of the left head section and the right head section, the vertical cross section of the middle section is in a V shape, the vertical cross section of the left transition section and the right transition sectionis in a concave shape, the vertical cross section of the left head section and the right head section is in a shape like the Chinese character kou, a reinforcing rib is fixed to the interior of the cavity, and an included angle is formed between the reinforcing rib and the axial direction of the main body. According to the scheme, support can be provided for the torsion beam, so that the torsionalstrength of the torsion beam is increased.

Description

technical field [0001] The invention relates to the field of auto parts, especially a high-strength auto torsion beam made of thermoformed steel. Background technique [0002] The torsion beam suspension is a type of rear suspension of the car. The wheels of the car are installed at both ends of the torsion beam. The torsion beam can balance the up and down jump of the left and right wheels to reduce the shaking of the vehicle and keep the vehicle stable. The torsion beam has a simple structure and a large bearing capacity, and is generally used for trucks, ordinary passenger cars and some special vehicles. [0003] In order to reduce the weight, the current torsion beam is generally hollow, but the torsion beam still needs to bear a certain amount of torsion when the car is running. After a long period of use, the torsion beam is prone to torsion deformation, and the side wall of the torsion beam is dented. Contents of the invention [0004] The object of the present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G21/05
CPCB60G21/051B60G2206/20B60G2206/8106
Inventor 龚量亮
Owner 天人汽车底盘(芜湖)股份有限公司