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Design method of torsion tube outer diameter for internal 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 not being able to achieve analytical design, unable to provide analytical design, and unable to meet the requirements of the development of the cab stabilizer bar system, etc. question

Active Publication Date: 2018-08-14
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 torsional deformation and bending deformation of the torsion tube, and the increase in the load of the torsional rubber bushing, for the torsion tube external However, a reliable analytical design method has not been given for the design of the diameter. Only the influence of the rubber bushing and the internal offset of the torsion tube on the stiffness of the stabilizer bar system can be used to approximate the design of the outer diameter of the torsion tube with a conversion factor.
At present, for the diameter design of the cab stabilizer bar at home and abroad, most of them 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, because ANSYS simulation analysis can only verify the stabilizer bar with given parameters, it cannot provide accurate analytical design formula, cannot realize analytical design, and cannot meet the requirements of CAD software development for cab stabilizer bar system

Method used

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  • Design method of torsion tube outer diameter for internal offset non-coaxial cab stabilizer bar system
  • Design method of torsion tube outer diameter for internal offset non-coaxial cab stabilizer bar system
  • Design method of torsion tube outer diameter for internal offset non-coaxial cab stabilizer bar system

Examples

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Embodiment 1

[0052] 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: 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 internal offset T of the torsion tube 4 =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; 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, elastic modulus E=200GPa, Poisson’s ratio μ=0.3, inner diameter d=35mm, outer diameter D is the parameter to be designed; the structure and material properties of the left and right four rubber bush...

Embodiment 2

[0093] 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=50mm; 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 =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 is the quantity to be designed; the structures of the left and right four rubber bushes are exactly the same, as image 3 Shown; Among them, the inner circle diameter d of the inner circle sleeve 5 x =35mm, wall thickness δ=5mm; length L of rubber sl...

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Abstract

The invention relates to a design method for the outer diameter of a torsion tube of an internal offset non-coaxial cab stabilizer bar system, and belongs to the technical field of cab suspension. According to the radial stiffness of the rubber bushing and the load coefficient of the torsional rubber bushing, the present invention utilizes the relationship between the roll angle stiffness and linear stiffness of the stabilizer bar system and the structure of the stabilizer bar and the radial stiffness of the rubber bushing to establish a torsion tube Mathematical model of outer diameter design and analytical design method. Through the design example and simulation verification, it can be seen that the method can obtain accurate and reliable design value of the outer diameter of the torsion tube, which provides a reliable design method for the design of the cab suspension and the inner offset non-coaxial cab stabilizer bar system, and It has laid a reliable technical foundation for the development of CAD software. Using this method can not only improve the design level of the cab suspension and stabilizer bar system, reduce the cab roll and buoyancy movement, improve the ride comfort and safety of the vehicle, but also reduce design and test costs and speed up product development speed.

Description

technical field [0001] The invention relates to a vehicle cab suspension, in particular to a design method for the outer diameter of a torsion tube of an internal offset non-coaxial cab stabilizer bar system. Background technique [0002] Although the inner offset non-coaxial cab stabilizer bar system is only composed of torsion tube, swing arm 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 torsional deformation and bending deformation of the torsion tube, and the increase in the load of the torsional rubber bushing, for the torsion tube external However, a reliable analytical design method has not been given for the design of the diameter. Only the influence of the rubber bushing and the internal offset of the torsion tube on the stiffness of the stabilizer bar system can be used to approximate the design of ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 周长城程正午张云山安艳袁光明曹海琳
Owner SHANDONG UNIV OF TECH
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