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Torque tube stress intensity checking method for externally biased non-coaxial type cab stabilizer bar

A non-coaxial, stress-intensive technology, used in special data processing applications, instruments, electrical and digital data processing, etc., can solve the problems that cannot provide analytical calculation formula, can not meet the analytical design of cab stabilizer bar system and CAD software development. requirements, failure to provide the calculation method for checking the stress strength of twisted tubes, etc., to achieve the effect of speeding up product development, reducing design and test costs, and improving ride comfort and safety

Inactive Publication Date: 2015-01-28
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For the externally offset non-coaxial cab stabilizer bar system, due to the constraints of key issues such as rubber bush deformation, torsional and bending deformation of the torsion tube, and mutual coupling between loads, a reliable torsion tube has not been given. Calculation method for checking stress intensity
At present, for the stabilizer bar system of the cab at home and abroad, most of them use ANSYS simulation software to simulate and analyze the stress strength of the torsion tube through solid modeling. Although this method can obtain relatively reliable simulation values, it cannot provide accurate analysis Therefore, it cannot meet the requirements of analytical design of cab stabilizer bar system and CAD software development

Method used

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  • Torque tube stress intensity checking method for externally biased non-coaxial type cab stabilizer bar
  • Torque tube stress intensity checking method for externally biased non-coaxial type cab stabilizer bar
  • Torque tube stress intensity checking method for externally biased non-coaxial type cab stabilizer bar

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Experimental program
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Effect test

Embodiment 1

[0031] Example 1: The structure of an externally offset non-coaxial cab stabilizer bar system is 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 external offset of the torsion tube 4 is T =50mm; the length L of the torsion tube 4 w =1500mm, inner diameter d=46mm, outer diameter D=50mm, modulus of elasticity E=200GPa, Poisson’s ratio μ=0.3, allowable stress [σ]=500MPa; suspension rubber bushing 2 and torsion rubber bushing 3 The distance between them, that is, the length of the swing arm l 1 =380mm; the load F=5000N at the suspension installation position C of the swing arm. According to the structure and material characteristic parameters of the stabilizer bar given above, the torsion tube of the externally offset non-coaxial cab stabilizer bar is calculated and the strength is checked, and the str...

Embodiment 2

[0049] Embodiment 2: The structural form of an externally biased non-coaxial cab stabilizer bar system is the same as that of Embodiment 1, such as figure 2 As shown, wherein the torsion tube 4 is not coaxial with the torsion rubber bushing 3, the external offset T of the torsion tube 4 is 100mm; the length L of the torsion tube 4 w =1000mm, inner diameter d=45mm, outer diameter D=50mm, modulus of elasticity E=200GPa, Poisson’s ratio μ=0.3, allowable stress [σ]=500MPa; suspension rubber bushing 2 and torsion rubber bushing 3 The distance between, that is, the length of the swing arm l 1 =350mm; the load F=5000N at the suspension installation position C of the swing arm. According to the structure and material characteristic parameters of the stabilizer bar given above, the torsion tube of the externally offset non-coaxial cab stabilizer bar is calculated and the strength is checked, and the stress under the condition of load F=5000N Carry out ANSYS simulation verification. ...

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Abstract

The invention relates to a torque tube stress intensity checking method for an externally biased non-coaxial type cab stabilizer bar, and belongs to the technical field of vehicle cab suspension. A bending load coefficient of a torque tube is built according to the structure parameters, material characteristic parameters and loads of an externally biased non-coaxial type cab stabilizer bar system and the torque tube by utilization of the relation between bending and torsional deformation and loads of the torque tube; the torque tube stress intensity checking method for the externally biased non-coaxial type cab stabilizer bar is built according to the bending normal stress and torsional shearing stress of the torque tube. Through living example calculation and ANSYS emulation proofs, it can be known that an accurate and reliable torque tube stress intensity calculation value can be obtained according to the method, and the stress intensity checking method is reliable for design of the cab stabilizer bar system. By utilization of the method, the design level, quality and performance of the cab stabilizer bar system can be improved, and running smoothness and safety of vehicles are improved. Meanwhile, the design and testing expenses can be reduced, and the product development speed is increased.

Description

technical field [0001] The invention relates to a vehicle cab suspension, especially a method for checking the torsion tube stress strength of an external offset non-coaxial cab stabilizer bar. Background technique [0002] For the externally offset non-coaxial cab stabilizer bar system, due to the constraints of key issues such as rubber bush deformation, torsional and bending deformation of the torsion tube, and mutual coupling between loads, a reliable torsion tube has not been given. Stress intensity check calculation method. At present, for the stabilizer bar system of the cab at home and abroad, most of them use ANSYS simulation software to simulate and analyze the stress strength of the torsion tube through solid modeling. Although this method can obtain relatively reliable simulation values, it cannot provide accurate analysis The calculation formula, therefore, cannot meet the requirements of analytical design and CAD software development of the cab stabilizer bar ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 周长城周超孙重锋
Owner SHANDONG UNIV OF TECH
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