Design Method of Swing Arm Length of Coaxial Cab Stabilizer Bar

A design method and cab technology, applied in computing, special data processing applications, instruments, etc., can solve the problem of difficult to obtain accurate and reliable coaxial cab stabilizer bar system swing arm length design value, unable to provide analytical calculation formula, unable to To meet development requirements and other issues, to speed up product development, improve ride comfort and ride comfort, and reduce design and test costs

Inactive Publication Date: 2018-03-06
SHANDONG UNIV OF TECH
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  • 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 swing arm 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 swing arm of the coaxial stabilizer bar system. Therefore, it is difficult to obtain an accurate and reliable swing arm of the coaxial cab stabilizer bar system. Design value of arm length
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 relatively reliable simulation values ​​can be obtained However, since this method cannot provide accurate analytical calculation formulas, it cannot meet the requirements of analytical design, let alone the development of CAD software for the coaxial cab stabilizer bar system

Method used

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  • Design Method of Swing Arm Length of Coaxial Cab Stabilizer Bar
  • Design Method of Swing Arm Length of Coaxial Cab Stabilizer Bar
  • Design Method of Swing Arm Length of Coaxial Cab Stabilizer Bar

Examples

Experimental program
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Effect test

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; among them, torsion tube 4 torsion rubber bushing 3 is coaxial; 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 bush 2 and the torsion rubber bush 3, is the swing arm length l of the stabilizer bar to be designed 1 ; The distance from the suspension position C of the swing arm to the outermost end A is Δl 1 =47.5mm; the length L of the twisted tube 4 w =1500mm, inner diameter d=35mm, outer diameter D=50mm; material elastic modulus E=200GPa of torsion tube, Poisson’s ratio μ=0.3; the structure and material properties of the left and right four rubber bushes are exactly the same, as image 3 As shown, it includes: an inner sleeve 5, a rubbe...

Embodiment 2

[0084] Embodiment 2: The structure of a coaxial cab stabilizer bar system is left-right symmetrical, such as figure 2 Shown, where, the distance L between the left and right swing arms 1 c =1400mm, i.e. the suspension distance of the stabilizer bar; the distance between the suspension rubber bush 2 and the torsion rubber bush 3 is the swing arm length l of the stabilizer bar to be designed 1 , the distance Δl from the suspension position C of the swing arm to the outermost end A 1 =52.5mm; twist tube length L w =1000mm, inner diameter d=40mm, inner diameter D=50mm; the structure and material properties of the left and right four rubber bushes are exactly the same, such as image 3 Shown, wherein, the inner diameter d of the inner cylindrical sleeve 5 x =35mm, wall thickness δ=5mm; length L of rubber sleeve x =40mm, inner circle radius r a =22.5mm, outer circle radius r b = 37.5 mm. The material properties of the stabilizer bar and the material properties of the rubber ...

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Abstract

The invention relates to a design method for the length of a coaxial cab stabilizer bar swing arm, and belongs to the technical field of cab suspension. The invention can analyze and design the length of the swing arm of the coaxial stabilizer bar according to the required value of the roll angle stiffness design of the cab stabilizer bar system, the structure and material characteristic parameters of the stabilizer bar, and the structure and material characteristic parameters of the rubber bushing. Through examples and ANSYS simulation verification, it can be known that this method can obtain accurate and reliable design value of the length of the coaxial stabilizer bar swing arm, which provides a reliable design method for the cab suspension and stabilizer bar system design, and lays a solid foundation for the development of CAD software. a solid technical foundation. Using this method can not only improve the design level and quality of the coaxial cab suspension and stabilizer bar system, but also improve the ride comfort and ride comfort of the vehicle; at the same time, it can also reduce design and test costs and speed up 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 coaxial cab stabilizer bar swing arm. Background technique [0002] The swing arm length of the cab stabilizer bar system has an important influence on the roll angle stiffness of the cab suspension system, and affects the ride comfort and ride comfort of the vehicle. 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 swing arm 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 swing arm of the coaxial stabilizer bar system. Therefore, it is difficult to obtain an accurate and reliable swing arm of the coaxial cab stabilizer bar system. Arm length design value. At present, for...

Claims

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Application Information

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