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| 全路面起重机用445/95R25无内胎全钢工程机械 子午线轮胎的设计 |
| Design on 445/95R25 Tubeless All-steel Off-The-Road Radial Tire for All-Terrain Crane |
| Received:August 29, 2022 Revised:August 29, 2022 |
| DOI：10.12135/j.issn.1006-8171.2023.10.0598 |
| 中文关键词: 全路面起重机；无内胎全钢工程机械子午线轮胎；结构设计；施工设计；耐久性能；智能轮胎监测系统 |
| 英文关键词: all-terrain crane；tubeless all-steel off-the-road radial tire；structural design；construction design；durability；intelligent tire monitoring system |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | ZHANG Yanlong* | Techking（Qingdao） Special Tire Technology Research and Development Co.，Ltd | happybj2000@qq.com | | WANG Xuegang | Techking（Qingdao） Special Tire Technology Research and Development Co.，Ltd | | | YUE Zhen | Techking（Qingdao） Special Tire Technology Research and Development Co.，Ltd | | | LIU Benxin | Techking（Qingdao） Special Tire Technology Research and Development Co.，Ltd | | | YIN Haijian | Techking（Qingdao） Special Tire Technology Research and Development Co.，Ltd | |
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| 中文摘要: |
| 介绍全路面起重机用445/95R25无内胎全钢工程机械子午线轮胎的设计。结构设计：外直径 1 478 mm，断面宽 448 mm，行驶面宽度 355 mm，行驶面弧度高 12 mm，胎圈着合直径 630 mm，胎圈着合宽度 286 mm，断面水平轴位置（ H/1/H/2） 0.96，采用大弧度块状花纹设计，花纹深度 25 mm，花纹饱和度 64%，花纹周节数 54。施工设计：采用冠部胶和基部胶双层胎面设计，带束层采用3＋9＋15×0.225HT钢丝帘线，胎体采用7×7×0.22＋0.15HT钢丝帘线，采用一次法四鼓成型机成型、单模蒸锅式硫化机硫化。成品性能试验结果表明，轮胎的充气外缘尺寸和耐久性能分别符合国家标准和企业标准要求。轮胎配备了智能轮胎监测系统实时监测行车过程中轮胎状态，在胎温或充气压力达到报警阈值时及时提醒司机停车休息，提高了轮胎行驶安全性，延长了轮胎的使用寿命。 |
| 英文摘要: |
| The design on 445/95R25 tubeless all-steel off-the-road radial tire for all-terrain crane was described.In the structure design，the following parameters were taken：overall diameter 1 478 mm，cross-sectional width?448 mm，width of running surface 355 mm，arc height of running surface 12 mm，bead diameter at rim seat?630 mm，bead width at rim seat?286 mm，maximum width position of cross–section（ H/1/H/2）?0.96，using large radian block pattern design，pattern depth?25 mm，block/total ratio?64%，and number of pattern pitches?54.In the construction design，the following processes were taken：adopting cap compound and base compound double-layer tread design，3＋9＋15×0.225HT steel cord for belt，7×7×0.22＋0.15HT steel cord for carcass，one-step four-drum building machine for building and single-mode steamer curing press for curing.The results of finished tire performance test showed that the inflated peripheral dimention and durability met the requirements of national standards and enterprise standards respectively. The tire was equipped with an intelligent tire monitoring system to monitor the tire status in real time during driving，and timely remind the driver to stop and rest when the tire temperature or inflation pressure reached the alarm threshold，which improved the driving safety of the tire and extended the service life of the tire. |
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