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Air suspension assembly with high-strength guide arm
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A technology of air suspension and guide arm, which is applied in the direction of suspension, elastic suspension, cantilever installed on the pivot, etc. It can solve the problems of high peak stress, uneven stress (equivalent stress, impact on service life, etc.), Achieve balanced stress distribution, improve service life, and improve stability
Active Publication Date: 2021-05-28
JIANGSU TANGCHEN AUTOMOBILE PARTS
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[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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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 suspensionassembly with a high-strength guide arm, comprising: a frame comprising a longitudinal beam and a cross beam; a V-shaped push rod is provided with a first connecting end, a second connecting end and a third connecting end, the first connecting end and the second connecting end are connected with the cross beam, and the third connecting end is connected with an axle; a guide arm, wherein one end of the guide arm is connected to the longitudinal beam through a support, and the other end of the guide arm is connected to the longitudinal beam through an air bag or a spring assembly; an axle is connected between the two guide arms; the two ends of the circular or polygonal torsion connecting pipe are connected to the other ends of the two guide arms respectively; the guide arm is provided with a hollow part arranged in the length direction and comprises a first connecting part and a second connecting part, a second connecting part; a third connecting part; a first body is connected between the first connecting part and the third connecting part; a second body is connected between the third connecting part and the second connecting part.
Description
technical field [0001] The invention relates to the field of automobile manufacturing, in particular to an air suspensionassembly 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...
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Application Information
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