Method for designing length of torsion pipe of external biasing non-coaxial cab stabilizer bar

A non-coaxial, design method technology, applied in computing, special data processing applications, instruments, etc., can solve problems that cannot satisfy analytical design, fail to give, cannot provide analytical design formula, etc.

Inactive Publication Date: 2015-02-04
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 the calculation of the stiffness of the rubber bushing, the bending and torsion of the external offset torsion tube, and the mutual coupling of loads, the design of the length of the torsion tube for the external offset non-coaxial cab stabilizer bar system, Has not been able to give a reliable analytical design method
At present, most of the design of cab stabilizer bar system at home and abroad is to use ANSYS simulation software to simulate and verify the characteristics of the cab stabilizer bar system with a given structure through solid modeling, although this method can obtain relatively reliable simulation values. However, since the ANSYS simulation analysis can only verify the stabilizer bar with given parameters, it cannot provide an accurate analytical design formula, and cannot meet the requirements of analytical design and CAD software development of the cab stabilizer bar system

Method used

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  • Method for designing length of torsion pipe of external biasing non-coaxial cab stabilizer bar
  • Method for designing length of torsion pipe of external biasing non-coaxial cab stabilizer bar
  • Method for designing length of torsion pipe of external biasing non-coaxial cab stabilizer bar

Examples

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Embodiment 1

[0062] Example 1: The structure of an externally offset non-coaxial cab stabilizer bar system is symmetrical, as shown in figure 2 As shown, it includes: swing arm 1, suspension rubber bushing 2, torsion rubber bushing 3, torsion tube 4; wherein, the torsion tube 4 is not coaxial with the torsion rubber bushing 3, and the external offset of the torsion tube 4 is T =30mm; the distance L between the left and right swing arms 1 c =1550mm, that is, the suspension distance of the stabilizer bar; the distance between the suspension rubber bushing 2 and the torsion rubber bushing 3, that is, the length of the swing arm l 1 =380mm, the distance from the installation position C of the swing arm suspension to the outermost end A Δl 1 =47.5mm; inner diameter d=35mm of torsion tube 4, outer diameter D=50mm, elastic modulus E=200GPa, Poisson’s ratio μ=0.3, length L w is the parameter to be designed; the structure and material properties of the left and right four rubber bushes 2 and 3 a...

Embodiment 2

[0110] Embodiment 2: The structural form of an externally biased non-coaxial cab stabilizer bar system is the same as that of Embodiment 1, such as figure 2 As shown, where the torsion tube 4 is not coaxial with the torsion rubber bushing 3, the external offset of the torsion tube 4 is T=30mm; the distance L between the left and right swing arms 1 c =1400mm, that is, the suspension distance of the stabilizer bar; the distance between the suspension rubber bushing 2 and the torsion rubber bushing 3, that is, the length of the swing arm l 1 =350mm; distance Δl from the suspension installation position C of the swing arm to the outermost end A 1 =52.5mm; inner diameter d=40mm of torsion tube 4, outer diameter D=50mm, length L w is the parameter to be designed; the structures of the left and right four rubber bushes are exactly the same, such as image 3 Shown, wherein, the inner circle diameter d of the inner circle sleeve 5 x =35mm, wall thickness δ=5mm; length L of rubber s...

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Abstract

The invention relates to a method for designing the length of a torsion pipe of an external biasing non-coaxial cab stabilizer, which belongs to the technical field of the cab suspension. The length of the torsion pipe is adopted as a parameter, a torsion pipe length design mathematic model of the stabilizer bar is established by utilizing a load coefficient expression of a torsion rubber bushing, an equivalent combined linear rigidness expression of the rubber bushing and an equivalent linear rigidness expression of the torsion pipe, and the torsion pipe length design mathematic model is solved by utilizing a Matlab program. By adopting the method, an accurate and reliable torsion pipe length design value can be acquired by virtue of a design example and the ANSYS simulation verification, and a reliable technical foundation can be provided for the design of the stabilizer bar system and the development of the CAD software. By utilizing the method, on the premise of not increasing the product cost, not only can the design level and design quality of the stabilizer bar system be improved by virtue of adjustable design of the torsion pipe length, but also the design requirement of the roll angle rigidness of the stabilizer bar system can be met, and the driving smoothness and safety of a vehicle can be improved; meanwhile, the design and experiment expense also can be reduced.

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 an externally offset non-coaxial cab stabilizer bar. Background technique [0002] The length of the torsion tube of the stabilizer bar system not only affects the torsional deformation and bending deformation of the torsion tube, the load and deformation of the torsional rubber bushing, but also has an important influence on the stiffness characteristics of the cab stabilizer bar system. In the actual design of the stabilizer bar system, the design requirements of the roll angle stiffness of the cab stabilizer bar system are often achieved only by designing the length of the torsion tube while keeping other structural parameters unchanged. However, due to the constraints of the calculation of the stiffness of the rubber bushing, the bending and torsion of the external offset torsion tube, and the mutual coupling of loads, the design ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 周长城周超
Owner SHANDONG UNIV OF TECH
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