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Radial tire for low-section loading

A radial tire and low-section technology, applied to tire parts, reinforcement layers of pneumatic tires, transportation and packaging, etc., can solve problems such as irregular mesh structure, reduced tire durability, and chaotic cord arrangement, and achieve improved The effect of tire uniformity, reducing stress concentration, and increasing impact resistance

Active Publication Date: 2017-09-08
ZHONGCE RUBBER GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the network structure formed by zigzag winding and interweaving will be stretched and deformed when it is inflated and vulcanized.

Method used

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  • Radial tire for low-section loading
  • Radial tire for low-section loading
  • Radial tire for low-section loading

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Embodiment Construction

[0016] In view of the above problems, the present invention provides that the tire adopts a four-layer belt structure. attached figure 1 As shown, a radial tire for low-profile trucks, the tire includes a carcass 6, a tread 5 and a belt layer, the belt layer includes 1# belt layer 1, 2# belt layer 2, 3# belt Layers 3 and 4# belt layer 4, 1# belt layer 1, 2# belt layer 2, 3# belt layer 3 and 4# belt layer 4 are wound on the carcass 6 in turn, 3# belt layer Layer 3 is a "zigzag" winding reinforcing layer, which is arranged on the 2# belt layer, and above the "zigzag" winding layer is a 4# belt layer 4 with a spiral winding structure, which is used to constrain and protect the mesh structure.

[0017] The present invention is a reinforced belt structure for low-section heavy duty radial tires (attached figure 1 ), which is a four-layer belt structure. The 1# belt layer 1, 2# belt layer 2 are attached to the carcass 6 in turn, and the 3# belt layer 3 is a "zigzag" winding reinf...

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Abstract

The invention relates to the field of tire production and in particular relates to a radial tire for low-section loading. The radial tire for low-section loading comprises a tire body, a tread and a belt ply, wherein the belt ply comprises a 1# belt ply, a 2# belt ply, a 3# belt ply and a 4# belt ply; the 1# belt ply, the 2# belt ply, the 3# belt ply and the 4# belt ply are sequentially wound on the tire body; the 3# belt ply is of a neat ordered cross meshed structure and is wound in a zigzagged manner by adopting cord fabric strips; the 4# belt ply is arranged above the 3# belt ply, formed by continuously and spirally winding the cord fabric strips in parallel and is used for restricting and protecting the meshed structure. According to the belt ply structures, the quantity of cord fabric joints is greatly reduced, circumferential deformation of the tire during use can be effectively restricted, stress distribution of the belt ply is optimized, the generated heat in a crown area is reduced, and the ply separation and tear probability is reduced. Meanwhile, the durability, high speed, load and control performances of the tire are improved.

Description

technical field [0001] The invention relates to the field of tire production, in particular to a low-section heavy duty radial tire. Background technique [0002] The belt layer is the main force-bearing component of the radial tire, and its stiffness and strength largely determine the tire's inflated shape and the impact resistance of the crown area. At present, radial truck tires generally adopt a three-layer zero-degree structure or a four-layer structure. These structures have played a relatively full role in ordinary tires, but the disadvantages of these structures are gradually manifested in the continuous optimization and upgrading of all-steel radial tires that are developing towards low-section and wide-based tires. The hoop force of the low-section, wide-based tire belt is unevenly distributed in the lateral direction of the tread, and the radial expansion of the shoulder area is relatively large. In the process of high-speed driving, the circumferential deformat...

Claims

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Application Information

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IPC IPC(8): B60C9/18
CPCB60C9/1807Y02T10/86
Inventor 张春生张海燕王红彦叶佳蕾吴飞邱晓平王志权
Owner ZHONGCE RUBBER GRP CO LTD
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