The invention relates to the technical field of truck tires, and discloses a tire. The tire comprises a tire crown, a tire body and four belted layers, the four belted layers are arranged between thetire crown and the tire body, and the four belted layers comprise a first belted layer, a second belted layer, a third belted layer and two zero-degree belted layers, wherein the first belted layer, the second belted layer and the third belted layer are arranged in the middle of the tire crown, and the two zero-degree belted layers are symmetrically arranged on shoulders of the tire. The first belted layer, the second belted layer and the third belted layer are sequentially connected in an attached mode in the middle of the tire crown in the radial direction from the tire body to the tire crown, and the zero-degree belted layers are arranged at the two axial ends of the third belted layer and are in pressing connection with the second belted layer. The invention further provides a belted layer design structure which can improve the grounding performance, the rolling resistance performance and endurance performance of the tire and can improve the side-ditch crack resistance without loss. The elongation of vulcanization shaping at the zero-degree belted layer position is adjusted by adjusting belted layer type rubber or rubber sheets, so that the elongation of vulcanization shaping at the zero-degree belted layer position is homogenized, and the inflation expansion of the tire crown is optimized.
本发明涉及载重轮胎技术领域,公开了一种轮胎其包括:胎冠、胎体和四层带束层,四层带束层设置在胎冠和胎体之间,四层带束层包括:设置于轮胎胎冠中部的1#带束层、2#带束层和3#带束层以及两个对称设置于轮胎肩部的零度带束层,其中,1#带束层、2#带束层和3#带束层在胎冠中部沿径向由胎体向胎冠方向依次贴合连接,零度带束层设置于3#带束层的轴向两端且与2#带束层压合连接,本发明还提供了一种改善轮胎接地性能、滚阻性能以及耐久性能,且对耐边沟裂口性能无损有所改善的带束层设计结构,利用带束层型胶或者胶片的调整,调节零度带束位置硫化定型的伸张率,诣在使得零度带束位置硫化定型伸张率均匀化,优化轮胎胎冠充气膨胀。
Tire and belted layer design structure
一种轮胎及带束层设计结构
2020-12-15
Patent
Electronic Resource
Chinese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
All-steel truck radial tire belted layer structure and tire
European Patent Office | 2023
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