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Design Method of Torsion Tube Inner Diameter of 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 problems of unable to provide analytical design, unable to achieve analytical design, unable to meet the cab stabilizer rod system and other problems

Inactive Publication Date: 2018-03-20
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 the analytical calculation of the deformation of the rubber bushing, the mutual coupling of the torsional deformation and bending deformation of the torsion tube, and the increase in the load of the torsional rubber bushing, for the internal offset non-coaxial cab stabilizer bar system The design of the inner diameter of the torsion tube 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 simulate and verify the characteristics of the stabilizer bar with given parameters, it cannot provide an accurate analytical design formula, cannot realize the 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 Torsion Tube Inner Diameter of Inner Offset Non-coaxial Cab Stabilizer Bar System
  • Design Method of Torsion Tube Inner Diameter of Inner Offset Non-coaxial Cab Stabilizer Bar System
  • Design Method of Torsion Tube Inner Diameter of Inner Offset Non-coaxial Cab Stabilizer Bar System

Examples

Experimental program
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Effect test

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, outer diameter D = 50mm, inner diameter d is the parameter to be designed, elastic modulus E = 200GPa, Poisson's ratio μ = 0.3; the structure and material properties of the left and right four rubb...

Embodiment 2

[0093] Embodiment 2: The structural form of a certain internal offset non-coaxial cab stabilizer bar system is the same as the system in Embodiment 1, such as 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 4 is 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 between the suspension rubber bushing 2 and the torsion rubber bushing 3, that is, the length of the swing arm l 1 =350mm; 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, outer diameter D = 50mm, inner diameter d is the parameter to be designed; the structures of the left and right four rubber bushes are exactly the same, 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 r...

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Abstract

The invention relates to a design method for the inner 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 design requirements of the roll angle stiffness, the structural parameters and material characteristic parameters of the inner offset non-coaxial cab stabilizer bar system, the radial stiffness of the rubber bushing, the equivalent combination line stiffness and the torsional rubber bushing The load factor of the bushing is used to analyze the inner diameter of the torsion tube of the stabilizer bar system. Through the design example and simulation verification, it can be seen that the method can obtain the accurate and reliable design value of the inner diameter of the torsion tube of the internal offset non-coaxial cab stabilizer bar system, which provides a reliable design method for the design of the stabilizer bar system, and can be used for CAD software The development has laid a solid technical foundation. Using this method can not only improve the design level 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, in particular to a design method for the inner diameter of a torsion tube of an inner offset non-coaxial cab stabilizer bar system. Background technique [0002] Inner offset non-coaxial cab stabilizer bar system, the inner diameter of the torsion tube not only affects the torsional deformation of the torsion tube, but also has an effect on the bending deformation of the torsion tube, the load and deformation of the torsion rubber bushing, and the performance of the entire stabilizer bar system Significant influence. The inner offset non-coaxial cab stabilizer bar system is composed of swing arm, torsion tube and rubber bushing, but it is a coupled body composed of rigid body, elastic body and flexible body. complex. In the actual design of the stabilizer bar, the inner diameter and wall thickness of the torsion tube are often designed under the condition of a given torsion tube outer diameter. Howe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 周长城提艳宋群潘礼军程正午郭剑
Owner SHANDONG UNIV OF TECH
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