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Design method of swing arm length for inner offset non-coaxial cab stabilizer bar system

A stabilizer bar system, non-coaxial technology, applied in computing, special data processing applications, instruments, etc., can solve the problem of failure to provide reliability, meet the requirements of cab stabilizer bar system development, and fail to realize analytical design, etc. question

Inactive Publication Date: 2018-06-22
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the constraints of the analytical calculation of the deformation of the rubber bushing, the mutual coupling of the torsional deformation and the bending deformation of the torsion tube, and the increase in the load of the torsional rubber bushing, the internal offset non-coaxial cab stabilizer bar system The design of the swing arm length has not been given 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 ANSYS simulation analysis can only verify the stabilizer bar with given parameters, it cannot provide accurate analytical design formulas, cannot realize analytical design, and cannot meet the requirements of CAD software development for the cab stabilizer bar system

Method used

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  • Design method of swing arm length for inner offset non-coaxial cab stabilizer bar system
  • Design method of swing arm length for inner offset non-coaxial cab stabilizer bar system
  • Design method of swing arm length for inner offset non-coaxial cab stabilizer bar system

Examples

Experimental program
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Effect test

Embodiment 1

[0062] Embodiment 1: The structure of a certain internally offset non-coaxial cab stabilizer bar system is left-right symmetrical, as shown in figure 2 As shown, it includes: a swing arm 1, a suspension rubber bush 2, a torsion rubber bush 3, and a torsion tube 4; wherein, the torsion tube 4 is not coaxial with the torsion rubber bush 3, and the internal offset of the torsion tube 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 l of the swing arm to be designed 1 ;The distance Δl from the suspension position C of the swing arm to the outermost end A 1 =47.5mm; the length L of the twisted tube 4 w =1500mm, inner diameter d=35mm, outer diameter D=35mm, elastic modulus E=200GPa, Poisson’s ratio μ=0.3; the structure and material properties of the left and right four rubber bushes are exactly...

Embodiment 2

[0111] Embodiment 2: The structural form of an internal offset non-coaxial cab stabilizer bar system is the same as that of Embodiment 1, as shown in figure 2 As shown, where the torsion tube 4 is not coaxial with the torsion rubber bushing 3, the internal offset of the torsion tube 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 l between the suspension rubber bushing 2 and the torsion rubber bushing 3 1 , which is the length of the swing arm to be designed; the distance Δl from the suspension position C of the swing arm to the outermost end A 1 =52.5mm; the length L of the torsion tube 4 w =1000mm, inner diameter d=42mm, outer diameter D=50mm; 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 sleeve 6 x =40mm, i...

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Abstract

The invention relates to a design method for the length of a swing arm of an internal offset non-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 system, the mathematical model and the Matlab program are designed through the length of the swing arm, and the inwardly offset non-coaxial cab is stable. The swing arm length of the rod system is solved and designed. Through design examples and simulation verification, it can be seen that this method can obtain accurate and reliable swing arm length design values ​​of the stabilizer bar system, provide a reliable design method for the design of the cab suspension and stabilizer bar system, and lay a solid foundation for the development of CAD software Reliable technical foundation. Using this method can not only improve the design level and quality of the cab suspension and stabilizer bar system, improve the ride comfort and safety of the vehicle, but also reduce design and test costs and speed up product development.

Description

technical field [0001] The invention relates to a vehicle cab suspension, especially a method for designing the length of a swing arm of an internal offset non-coaxial cab stabilizer bar system. Background technique [0002] For the inner offset non-coaxial cab stabilizer bar system, the length of the swing arm not only affects the bending deformation of the torsion tube, the load and deformation of the torsion rubber bushing, but also has an important impact on the performance of the stabilizer bar. Although the stabilizer bar system is only composed of swing arm, torsion tube and rubber bushing, it is a coupled body composed of rigid body, elastic body and flexible body. Due to the constraints of the analytical calculation of the deformation of the rubber bushing, the mutual coupling of the torsional deformation and the bending deformation of the torsion tube, and the increase in the load of the torsional rubber bushing, the internal offset non-coaxial cab stabilizer bar s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 周长城宋群毛少坊提艳袁光明高炳凯
Owner SHANDONG UNIV OF TECH
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