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Checking calculation method of roll angle rigidity of internal-bias non-coaxial type cab stabilizer bar system

A stabilizer bar system, non-coaxial technology, applied in computing, special data processing applications, instruments, etc., can solve problems such as inability to provide analytical calculation formulas, inability to meet, etc.

Inactive Publication Date: 2016-11-09
周长城
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, at home and abroad, most of the calibration of the roll angle stiffness of the cab stabilizer bar system uses ANSYS simulation software to conduct simulation analysis and verification of the roll angle stiffness through solid modeling. Although this method can obtain relatively reliable simulation values, however, Due to the inability to provide accurate analytical calculation formulas, it cannot meet the requirements of analytical design of cab stabilizer bar system and CAD software development

Method used

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  • Checking calculation method of roll angle rigidity of internal-bias non-coaxial type cab stabilizer bar system
  • Checking calculation method of roll angle rigidity of internal-bias non-coaxial type cab stabilizer bar system
  • Checking calculation method of roll angle rigidity of internal-bias non-coaxial type cab stabilizer bar system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1: A certain internal offset non-coaxial cab stabilizer bar system, the internal offset of the torsion tube T = 30mm; the distance L between the left and right swing arms c =1550mm, that is, the suspension distance of the stabilizer bar; the distance between the suspension rubber bushing and the torsion rubber bushing, that is, the length of the swing arm l 1 =380mm; the distance between the suspension position C of the swing arm and the outermost end A is Δl 1 =47.5mm; length L of torsion tube w =1500mm, inner diameter d=35mm, outer diameter D=50mm, modulus of elasticity E=200GPa, Poisson's ratio μ=0.3. The structure and material properties of the left and right suspension rubber bushes and torsion rubber bushes are exactly the same, and the length L of the rubber bushes x =25mm, inner circle radius r a =19.5mm, outer circle radius r b =34.5mm, elastic modulus E x =7.84MPa, Poisson's ratio μ x = 0.47. According to the structural and material characterist...

Embodiment 2

[0093] Embodiment 2: The structure of a certain inner offset non-coaxial cab stabilizer bar system is the same as that of Embodiment 1, wherein the inner offset T of the torsion tube is 30 mm; the distance L between the left and right swing arms c =1400mm, that is, the suspension distance of the stabilizer bar; the distance between the suspension rubber bushing and the torsion rubber bushing, 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; length L of torsion tube w =1000mm, inner diameter d=42mm, outer diameter D=50mm; the structure of the suspension rubber bushing and the torsion rubber bushing are exactly the same, and the length of the rubber bushing L 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 bushing are the same as in Embodiment 1, namely the elastic mo...

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Abstract

The invention relates to a checking calculation method of the roll angle rigidity of an internal-bias non-coaxial type cab stabilizer bar system and belongs to the technical field of vehicle cab mounting. The checking calculation method is characterized in that checking calculation of the roll angle rigidity of the internal-bias non-coaxial type cab stabilizer bar system can be performed according to the structure and material feature parameters of the internal-bias non-coaxial type cab stabilizer bar system and by using the radical rigidity of a rubber bushing and the equivalent line rigidity of a stabilizer bar. The checking calculation method has the advantages that instance ANSYS simulation verification shows that the checking calculation value of the roll angle rigidity of the internal-bias non-coaxial type cab stabilizer bar system can be obtained accurately and reliably by the method, reliable technical support is provided for the design of the internal-bias non-coaxial type cab stabilizer bar system and CAD software development, the design level of cab mounting and the stabilizer bar system can be increased, and the ride comfort and safety of a vehicle can be increased; in addition, design and experiment costs can be lowered, and product development speed can be increased.

Description

technical field [0001] The invention relates to a vehicle cab suspension, in particular to a method for checking and calculating the roll angle stiffness of an inner offset non-coaxial cab stabilizer bar system. Background technique [0002] For the internal offset non-coaxial cab stabilizer bar system, due to the constraints of key issues such as rubber bush deformation calculation, torsional and bending deformation of torsion tubes, and mutual coupling between stiffnesses, a reliable lateral stability has not been given. Analytical calculation method of inclination stiffness. Usually, only the influence of rubber bushing and torsion tube internal offset on the stiffness of the stabilizer bar system can be used to approximate the stiffness of the stabilizer bar system with a conversion factor in the range of 0.75 to 0.85. At present, at home and abroad, most of the calibration of the roll angle stiffness of the cab stabilizer bar system uses ANSYS simulation software to co...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20
Inventor 李红艳周长城赵光福袁光明初振美刘灿昌
Owner 周长城
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