Design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab

A design method, the technology of outer circle radius, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problem that can not meet the requirements of analytical design and development, and it is difficult to achieve the roll angle of the coaxial cab stabilizer bar system Design requirements of stiffness, etc.

Inactive Publication Date: 2015-01-07
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 bush deformation and stiffness coupling, for the coaxial cab stabilizer bar system, the rubber bush outer circle radius r b However, a reliable analytical design method has not been given, and only a conversion factor selected in the range of 0.75 to 0.85 for the influence of the rubber bushing on the stiffness of the stabilizer bar system can be used for other structural parameters of the coaxial stabilizer bar. Approximate design, therefore, it is difficult to achieve the design requirement value of the roll angl

Method used

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  • Design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab
  • Design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab
  • Design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab

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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, 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 rubber sleeve ...

Embodiment 2

[0097] 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 two 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 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; length L of rubber sleeve x =40mm, inner circle radius r a = 22.5 mm. The material properties of the stabilizer bar and the material properties of the rubber bushing are the same as in Embodiment 1, that...

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Abstract

The invention relates to a design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab, belonging to the cab suspension technology field. The design method for stabilizer bar rubber sleeve outer circle radius in coaxial type cab can design the rubber sleeve outer circle radius rb in an analysis mode according to the angle of bank rigidity requirement value of the cab suspension for stabilizer bar system, the structure and material characteristic parameter of the coaxial type stabilizer bar and the inner circle radius ra, length Lx and material characteristic parameter of the rubber bush. According to the living example and ANSYS emulation proof, the method can obtain the exact and reliable design value for the rubber sleeve outer circle radius rb, the design level and quality for the coaxial type cab suspension and stabilizer bar system can be improved, the rubber sleeve outer circle radius rb is designed in an adjustable mode without increase on cost for getting the angle of bank rigidity design requirement for stabilizer bar system, the vehicle driving smoothness and riding comfort for vehicle can be raised; and the design and test cost is reduced.

Description

technical field [0001] The invention relates to a vehicle cab suspension, in particular to a design method for the outer circle radius of a coaxial cab stabilizing rod rubber sleeve. Background technique [0002] The structural size of the rubber bushing affects the roll angle stiffness of the cab suspension system, and affects the ride comfort and ride comfort of the vehicle. Among them, the outer circle radius r of the rubber bushing b It has a significant influence on the roll angle stiffness of the stabilizer bar system. 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 adjust the design of the rubber bushing structure to meet the design requirements of the cab roll angle stiffness while other structures remain unchanged. However, due to the constraints of key issues such as rubber bush deformation and stiffness coupling, for the coaxial cab stabilizer bar system, the rubber bush o...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 周长城于曰伟李胜
Owner SHANDONG UNIV OF TECH
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