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Radial tire with two steel rings and single cord fabric layer

A technology for radial tires and plies, applied to tire parts, reinforcement layers of pneumatic tires, transportation and packaging, etc., can solve the problems of increasing the density of outer rings and excessive density of inner rings, etc., to expand the bearing capacity The effect of large force range and load capacity

Inactive Publication Date: 2017-07-28
FUYANG TENGFEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that increasing the wire arrangement density of the outer ring will lead to too dense inner ring wire arrangement, and provides a double-steel ring single-ply radial tire

Method used

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  • Radial tire with two steel rings and single cord fabric layer
  • Radial tire with two steel rings and single cord fabric layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment one, such as figure 1 , 2 As shown in , the present invention provides a double-steel ring single-ply radial tire, which includes a ply 1, a belt 2 and a crown 3 from the inside to the outside, and the inner circles on the left and right sides of the ply 1 are respectively A double-layer traveler is provided, the double-layer traveler includes an inner traveler 4 and an outer traveler 5, the ply 1 is provided with steel cords 6, and the adjacent steel cords 6 are staggered and turned outwards in sequence Wrapped on the inner traveler 4 and the outer traveler 5 . The present invention changes the design of only one traveler in the prior art, adopts two layers of traveler inside and outside, and the adjacent steel cords 6 are sequentially staggered and turned over to wrap the inner traveler 4 and the outer traveler 5 On the other hand, the density of the steel cords 6 on the inner circumference of the carcass layer 1 is greatly increased without contacting ea...

Embodiment 2

[0017] Embodiment two, such as figure 1 , 2 As shown in , the present invention provides a double-steel ring single-ply radial tire, which includes a ply 1, a belt 2 and a crown 3 from the inside to the outside, and the inner circles on the left and right sides of the ply 1 are respectively A double-layer traveler is provided, the double-layer traveler includes an inner traveler 4 and an outer traveler 5, the ply 1 is provided with steel cords 6, and the adjacent steel cords 6 are staggered and turned outwards in sequence Wrapped on the inner traveler 4 and the outer traveler 5, the steel cords 6 are evenly distributed on the double-layer traveler. The steel cords 6 are evenly arranged, and the force on the tire is more uniform.

[0018] The length of the steel cord 6 wrapped on the outer bead ring 5 is shorter than the length of the steel cord 6 wrapped on the inner bead ring 4 . Since the diameter of the outer bead 5 is greater than the diameter of the inner bead 4, if al...

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Abstract

The invention provides a radial tire with two steel rings and a single cord fabric layer. The radial tire comprises the cord fabric layer, a belt layer and a tire crown from inside to outside, wherein the two steel rings are respectively arranged at inner circles of the left side and the right side of the cord fabric layer, and include an inner steel ring and an outer steel ring; steel cords are arranged in the cord fabric layer; and the adjacent steel cords are sequentially staggered, turned outside and wrap the inner steel ring and the outer steel ring. The radial tire changes the design of only one steel ring in the prior art and adopts the inner and outer steel rings, and the adjacent steel cords are sequentially staggered, turned outside and wrapped on the inner steel ring and the outer steel ring, so that the density of the steel cords on a circumference in the cord fabric layer can be greatly increased; the density of the steel cords on a circumference of an outer layer of the tire can be correspondingly increased; the problem of overcrowded inner ring winding displacement due to increase of the density of outer ring winding displacement of the radial tire in the prior art is finally improved.

Description

technical field [0001] The invention relates to the technical field of automobile tires, in particular to a radial tire with double steel rings and single ply layers. Background technique [0002] At present, the carcass turn-up structure of common radial tires, especially all-steel radial tires, mostly adopts the method of adding 1 to 2 layers of cord wrap on the outside or inside of the carcass. The rigidity of the part strengthens the bead, but due to the rigidity of the cord and the compression force of the rim, when deformation occurs, the transition at the carcass turn-up is uneven, resulting in stress concentration, so that the end of the carcass turn-up Premature damage occurs, leading to tire rupture and affecting the life of the tire. [0003] The cord arrangement of the existing radial tire carcass is different from that of the bias tire. The cords of the radial tire are not arranged to cross each other, but are arranged like the meridian of the earth. For examp...

Claims

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Application Information

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IPC IPC(8): B60C9/00B60C9/18
CPCB60C9/0007B60C9/18
Inventor 杨丽黄潮奇
Owner FUYANG TENGFEI TECH
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