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Air suspension assembly with high strength guide arm

A technology of air suspension and guide arm, applied in suspension, elastic suspension, cantilever mounted on pivot, etc. The effect of equalizing stress distribution, improving service life and improving installation convenience

Active Publication Date: 2021-09-21
JIANGSU TANGCHEN AUTOMOBILE PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the guide arm of the above-mentioned air suspension adopts an I-beam structure, and the stress (equivalent stress) it receives in actual working conditions is uneven, and the peak value of stress at some positions is high, which affects the service life to a certain extent
In addition, the stability of the connection between the airbag, the guide arm and the torsion connector needs to be further improved, and the convenience of installation and maintenance needs to be further improved

Method used

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  • Air suspension assembly with high strength guide arm
  • Air suspension assembly with high strength guide arm
  • Air suspension assembly with high strength guide arm

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Embodiment 1

[0039] According to a preferred embodiment of the present invention, see Figure 1-3 , providing an air suspension assembly with a high-strength guide arm, comprising:

[0040] The vehicle frame includes a longitudinal beam 1 and a cross beam 2;

[0041] The V-shaped push rod 3 has first to third connection ends, the first and second connection ends are connected to the beam 2, and the third connection end is connected to the following axle 4;

[0042] A guide arm 5, one end is connected to the longitudinal beam 1 through a bracket 6, and the other end is connected to the longitudinal beam 1 through an air bag 7 or a spring assembly;

[0043] Axle 4, connected between the two guide arms 5; and

[0044] Circular or polygonal torque connecting pipe 8, two ends are respectively connected to the said other ends of the two guide arms 5;

[0045] Wherein, the guide arm 5 has a hollow portion arranged along the length direction and includes:

[0046] The first connecting portion ...

Embodiment approach

[0054] According to yet another preferred embodiment of the present invention, the first body 54 and the second body 55 are provided with a plurality of through holes 56 . Advantageously, the arrangement of a plurality of through holes is conducive to fixing and accurately positioning the mold core in the corresponding mold through these through holes when the first guide arm 5 is integrally cast. The mold core is broken and discharged from the guide arm 5 body, and the mold core is, for example, a sand mold.

[0055] According to yet another preferred embodiment of the present invention, the through holes close to the third connecting portion 52 are larger than the through holes away from the third connecting portion 52 .

[0056] According to another preferred embodiment of the present invention, the air suspension assembly with high-strength guide arm 5 further includes a buffer block assembly 9 arranged on the longitudinal beam 1, and the buffer block assembly 9 is located...

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Abstract

Provided is an air suspension assembly with a high-strength guide arm, comprising: a vehicle frame including a longitudinal beam and a cross beam; a V-shaped push rod having first to third connecting ends, the first and second connecting ends being connected to the The beam is connected, the third connection end is connected to the following axle; one end of the guide arm is connected to the longitudinal beam through the bracket, and the other end is connected to the longitudinal beam through the air bag or spring assembly; the axle is connected to the two between the guide arms; and a circular or polygonal torsion connection pipe, the two ends of which are respectively connected to the other ends of the two guide arms; wherein, the guide arm has a hollow portion arranged along the length direction and includes: The first connection part; the second connection part; the third connection part; the first body, connected between the first connection part and the third connection part; and the second body, connected between the third connection part and the second connection part between.

Description

technical field [0001] The invention relates to the field of automobile manufacturing, in particular to an air suspension assembly with a high-strength guide arm. Background technique [0002] Chinese patent application number ZL20181156877.0 discloses a U-shaped arm for an air suspension. The U-shaped arm is a U-shaped structure formed by a pair of guide bracket arms and a torsion joint connecting the two guide bracket arms. , one end of the guide arm is connected to the suspension bracket, and the other end is connected to the vehicle frame through the airbag. There is a cavity A at one end of the guide arm that just accommodates the end of the torsion connector. The end of the guide arm has a cavity B for accommodating a first fixing member, and the first fixer realizes the connection and fixation of the torque connector and the guide arm through the screw fit of a locking member with a threaded section. [0003] However, the guide bracket of the above-mentioned air susp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G11/27B60G11/28B60G7/00
CPCB60G7/001B60G11/27B60G11/28
Inventor 李强王一鸣韩政臣崔莹莹张路刘博洋
Owner JIANGSU TANGCHEN AUTOMOBILE PARTS
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