Tire structure design method and application thereof

A design method and tire technology, applied in design optimization/simulation, special data processing applications, geometric CAD, etc., can solve problems such as difficulty in obtaining material stress and strain values, lack of tire dynamic equilibrium state, poor tire durability, etc.

Inactive Publication Date: 2020-08-07
ZHONGCE RUBBER GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, because the traditional inner contour of the tire is generally designed with multi-section arc experience, it lacks the consideration of the dynamic balance state of the tire, resulting in poor tire durability.
At

Method used

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  • Tire structure design method and application thereof
  • Tire structure design method and application thereof
  • Tire structure design method and application thereof

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Experimental program
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Embodiment Construction

[0032] Preliminary establishment of the overall tire performance simulation analysis process as follows: figure 1 shown.

[0033] The material distribution diagram of the initial design of the tire is as follows: Figure 4 As shown, it is completed in the AutoCAD geometric drawing software, and the mesh is manually divided in the AutoCAD software, and the meshed tire geometry is imported into the tire-specific pre-processing software TYABAS 3.0 developed by Harbin Institute of Technology. Boundary conditions are set, mainly including the ground contact boundary (the boundary between the tire and the road surface), the inner surface boundary (the boundary of the inflation pressure inside the tire), and the rim contact boundary (the boundary between the tire and the rim). Set the tire material properties, the rubber material adopts the linear elastic constitutive model, the element type is C3D8R, the steel wire material is simulated using the Rebar element, and the linear elast...

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Abstract

The invention discloses a tire outline and carcass simulation design method, and particularly relates to an all-steel meridian (TBR) tire. The tire stress and deformation capacity, the tire body contour, the tire tread contour and the tire balance contour are considered, and the purpose of improving the durability of the tire is achieved.

Description

technical field [0001] The invention belongs to the field of tire structure design methods, in particular to a simulation design method for an all-steel radial (TBR) tire outline and carcass. Background technique [0002] The tires of transport vehicles in our country are usually used under abnormal conditions such as overload, high air pressure and partial load, so the contour deformation of the tire increases, and early signs of damage to the shoulders and the surrounding parts of the bead (referred to as the bead part) are prone to occur. The contour of the carcass constitutes the closed cavity inside the tire, and its contour shape has a great influence on the stress state and overall performance of each part of the tire. Stress concentration is the first important factor affecting the durable damage of the tire. In order to reduce stress concentration, the existing methods include reducing the thickness of the thicker part of the tire, reducing the height of the turn-up...

Claims

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Application Information

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IPC IPC(8): G06F30/15G06F30/23
CPCG06F30/15G06F30/23
Inventor 侯丹丹张春生崔智博王友善钱浩海王学瑞王红彦
Owner ZHONGCE RUBBER GRP CO LTD
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