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The Design Method of the Length of the Rubber Cover of the Coaxial Cab Stabilizer Bar

A design method and cab technology, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the design requirements that are difficult to meet the roll angle stiffness of the coaxial cab stabilizer bar system, can not meet the development requirements, cannot Provide analytical calculation formulas and other problems to speed up product development, reduce design and test costs, and improve ride comfort and ride comfort.

Inactive Publication Date: 2018-06-19
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, no reliable analytical design method has been given for the design of the rubber bushing length of the coaxial cab stabilizer bar system. For the effect on the stiffness of the stabilizer bar system, a conversion factor selected in the range of 0.75 to 0.85 is used to approximate the other structural parameters of the coaxial stabilizer bar system. Therefore, it is difficult to achieve the roll angle of the coaxial cab stabilizer bar system. Rigidity Design Requirements
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 characteristic parameters of the coaxial stabilizer bar system with a given structure through solid modeling, although relatively reliable 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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  • The Design Method of the Length of the Rubber Cover of the Coaxial Cab Stabilizer Bar
  • The Design Method of the Length of the Rubber Cover of the Coaxial Cab Stabilizer Bar
  • The Design Method of the Length of the Rubber Cover of the Coaxial Cab Stabilizer Bar

Examples

Experimental program
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Effect test

Embodiment 1

[0047] 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; 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 4, Poisson’s ratio μ=0.3; the structures 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 rubber slee...

Embodiment 2

[0098] Embodiment 2: The structure of a coaxial cab stabilizer bar system is left-right symmetrical, such as figure 2 As shown, among them, 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 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=40mm, outer diameter D=50mm; the structure and material properties of the left and right four rubber bushes are exactly the same, as image 3 Shown, wherein, the inner diameter d of the inner cylindrical sleeve 5 x =35mm, wall thickness δ=5mm; inner circle radius r of rubber sleeve 6 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 bushing ...

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Abstract

The invention relates to a design method for the length of a rubber sleeve of a coaxial cab stabilizer bar, and belongs to the technical field of cab suspension. According to the design requirements of the roll angle stiffness of the stabilizer bar system, the structure and material characteristic parameters of the coaxial stabilizer bar, and the inner circle radius ra, outer circle radius rb and material characteristic parameters of the rubber sleeve, the length Lx of the rubber sleeve can be adjusted. Perform analytical design. Through the example calculation and ANSYS simulation verification, it can be seen that the accurate and reliable design value of the length Lx of the rubber sleeve can be obtained by using this method, which lays a reliable technical foundation for the development of CAD software for the coaxial cab mount and stabilizer bar system. Using this method can not only improve the design level of the stabilizer bar system, but also meet the design requirements of the roll angle stiffness of the stabilizer bar system without increasing the cost, and improve the ride comfort of the vehicle only by adjusting the length Lx of the rubber sleeve. and riding comfort; at the same time, it can also reduce design and test costs.

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 stabilizing bar rubber sleeve. Background technique [0002] The length of the rubber sleeve has an important influence on the roll angle stiffness of the stabilizer bar system, and affects the ride comfort and ride comfort of the vehicle. In the design of the actual cab suspension system, in order to meet the design requirements of the roll angle stiffness, it is necessary to meet the roll angle stiffness of the cab stabilizer bar system only by adjusting the structural parameters of the rubber bushing when other structures remain unchanged. design requirements. However, due to the constraints of key issues such as rubber bushing deformation and stiffness coupling, no reliable analytical design method has been given for the design of the rubber bushing length of the coaxial cab stabilizer bar system. For the effect on the stiffness of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 周长城宋群程正午张云山潘礼军孟婕
Owner SHANDONG UNIV OF TECH
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