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Design method of torsion tube length for coaxial cab stabilizer bar system

A stabilizer bar system, torsion tube length technology, applied in calculation, special data processing applications, instruments, etc., can solve the problem of difficult to obtain accurate and reliable coaxial cab stabilizer bar system torsion tube length design value, can not provide analytical calculation formula , can not meet the requirements of development and other problems, to achieve the effect of speeding up product development, reducing design and test costs, and improving driving comfort and safety

Inactive Publication Date: 2018-06-15
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the constraints of key issues such as rubber bushing deformation and stiffness coupling, a reliable analytical design method has not been given for the design of the torsion tube length of the coaxial cab stabilizer bar system. Influenced by the stiffness of the stabilizer bar system, a conversion factor in the range of 0.75 to 0.85 is used to approximate the length of the torsion tube of the coaxial stabilizer bar system. Therefore, it is difficult to obtain accurate and reliable torsion of the coaxial cab stabilizer bar system Pipe length design value
At present, for the coaxial cab stabilizer bar system at home and abroad, most of them use ANSYS simulation software to simulate and verify the characteristics of the coaxial stabilizer bar system with a given structure through solid modeling, although this method can get a relatively reliable However, since this method cannot provide accurate analytical calculation formulas, it cannot realize analytical design, let alone meet the requirements of CAD software development for the coaxial cab stabilizer bar system

Method used

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  • Design method of torsion tube length for coaxial cab stabilizer bar system
  • Design method of torsion tube length for coaxial cab stabilizer bar system
  • Design method of torsion tube length for coaxial cab stabilizer bar system

Examples

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Embodiment 1

[0039] Embodiment 1: The structure of a coaxial cab stabilizer bar system is left-right symmetrical, such as figure 2 As shown, it includes: swing arm 1, suspension rubber bushing 2, torsion rubber bushing 3, torsion tube 4; wherein, torsion tube 4 and torsion rubber bushing 3 are coaxial; the distance between the left and right swing arms 1 L c =1550mm, that is, the suspension distance of the stabilizer bar; the distance l between the suspension rubber bushing 2 and the torsion rubber bushing 3 1 =380mm, that is, the length of the swing arm; the distance from the suspension position C of the swing arm to the outermost end A is Δl 1 =47.5mm; inner diameter d=35mm of torsion tube 4, outer diameter D=50mm, elastic modulus of material of torsion tube E=200GPa, Poisson’s ratio μ=0.3; the structure and material properties of the left and right four rubber bushes are exactly the same ,like image 3 As shown, it includes: an inner sleeve 5, a rubber sleeve 6, and an outer sleeve ...

Embodiment 2

[0076] Embodiment 2: The structure of a coaxial cab stabilizer bar system is left-right symmetrical, such as figure 2 As shown, the distance L between the left and right swing arms c =1400mm, that is, the suspension distance of the stabilizer bar; the distance l between the suspension rubber bushing 2 and the torsion rubber bushing 3 1 =350mm, that is, the length of the swing arm; the distance from the suspension position C of the swing arm to the outermost end A is Δl 1 =52.5mm; the inner diameter d of the torsion tube 4=40mm, and the outer diameter D=50mm; the structures of the left and right four rubber bushing assemblies are identical, wherein the inner diameter d of the inner circular sleeve 5 x =35mm, wall thickness δ=5mm; length L of rubber sleeve 6 x =40mm, inner circle radius r a =22.5mm, outer circle radius r b =37.5mm; The material properties of the stabilizer bar and the material properties of the rubber bushing are the same as those in Embodiment 1, that is, ...

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Abstract

The invention relates to a design method for the length of a torsion tube of a coaxial cab stabilizer bar system, and belongs to the technical field of cab suspension. According to the design requirements of the cab on the roll angle stiffness of the stabilizer bar system, the structural parameters and material characteristic parameters of the stabilizer bar, and the structural parameters and material characteristic parameters of the rubber bushing, the torsion of the coaxial cab stabilizer bar system can be adjusted. Analytical design of pipe length. Through the design example and simulation verification, it can be seen that the method can obtain the accurate and reliable design value of the torsion tube length of the coaxial cab stabilizer bar, which provides a reliable design method for the design of the cab suspension and stabilizer bar system, and is a good tool for CAD software. The development has laid a solid technical foundation. Using this method, not only can the design level and quality of the coaxial cab suspension and stabilizer bar system be improved, but also the ride comfort and ride comfort of the vehicle can be improved; at the same time, the design and test costs of the cab suspension system can also be reduced. Accelerate product development.

Description

technical field [0001] The invention relates to a vehicle cab suspension, in particular to a design method for the length of a torsion tube of a coaxial cab stabilizer bar system. Background technique [0002] The full-floating cab suspension and stabilizer bar system must meet the design requirements of the cab’s roll angle stiffness. Among them, the roll angle stiffness of the cab suspension system is not only related to the structure and spring stiffness of the cab mount, but also It is related to the stiffness of the stabilizer bar system, that is, it is related to the inner diameter, outer diameter and length of the torsion tube of the cab stabilizer bar system, wherein the length of the torsion tube has an important influence on the stiffness of the stabilizer bar system. However, due to the constraints of key issues such as rubber bushing deformation and stiffness coupling, a reliable analytical design method has not been given for the design of the torsion tube lengt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 周长城于曰伟
Owner SHANDONG UNIV OF TECH
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