WO2022188158A1 - 一种防平斑轮胎及车辆 - Google Patents
一种防平斑轮胎及车辆 Download PDFInfo
- Publication number
- WO2022188158A1 WO2022188158A1 PCT/CN2021/080483 CN2021080483W WO2022188158A1 WO 2022188158 A1 WO2022188158 A1 WO 2022188158A1 CN 2021080483 W CN2021080483 W CN 2021080483W WO 2022188158 A1 WO2022188158 A1 WO 2022188158A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flat spot
- tire
- linear density
- cords
- pieces
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 229920000728 polyester Polymers 0.000 claims abstract description 18
- 239000004677 Nylon Substances 0.000 claims abstract description 17
- 229920001778 nylon Polymers 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims description 11
- 238000004073 vulcanization Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 12
- 230000007774 longterm Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
- B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0083—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the curvature of the tyre tread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C2009/1828—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers characterised by special physical properties of the belt ply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2061—Physical properties or dimensions of the belt coating rubber
- B60C2009/2064—Modulus; Hardness; Loss modulus or "tangens delta"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2074—Physical properties or dimension of the belt cord
- B60C2009/2077—Diameters of the cords; Linear density thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2074—Physical properties or dimension of the belt cord
- B60C2009/2083—Density in width direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
- B60C2011/0016—Physical properties or dimensions
Definitions
- the invention relates to the technical field of vehicle tires, in particular to an anti-flat spot tire and a vehicle.
- the tire Due to the viscoelastic properties of traditional tires, in the process of exporting the whole vehicle from the OEM, under the local stress state for a long period of time, the tire is prone to flat spots on the stress marks.
- the flat spot has short-term and long-term effects according to the shipping time and the heat and light environment. Generally, the short-term flat spot effect can be eliminated, but the long-term flat spot effect cannot be eliminated.
- the invention aims to solve the technical problem that the tires in the prior art are prone to long-term flat spot effect.
- an anti-flat spot tire comprising a tread, a cap layer, a belt layer and a carcass;
- the rubber hardness of the tread is 68-78 Shore A;
- the crown layer is formed of nylon cords, and the linear density of the nylon cords is 90-140 pieces/100 mm;
- the belt layer is formed from steel cords comprising HT steel wires and/or SHT steel wires;
- the carcass is formed of polyester cords, and the linear density of the polyester cords is 100-120 pieces/100 mm.
- the anti-flat spot tire further includes apex rubber, and the rubber hardness of the apex rubber is 74-90 Shore A.
- the height of the apex is 25-35 mm.
- the shoulder height of the anti-flat spot tire is 6.5-8.5 mm.
- the vulcanization time of the flat spot prevention tire is 16-18 minutes, and the inflation pressure after vulcanization is 1.2-1.4 bar.
- the nylon cord is PA66
- the fineness of the PA66 is 930 denier
- the linear density of the PA66 is 134 pieces/100 mm.
- the steel cord is an HT steel wire
- the diameter of the HT steel wire is 0.25 mm
- the HT steel wire is wound and stranded is 2+2*0.25HT.
- the polyester cord is PET
- the fineness of the PET is 1500 denier
- the linear density of the PET is 118 pieces/100 mm.
- the nylon cord is PA66
- the fineness of the PA66 is 1200 denier
- the linear density of the PA66 is 97 pieces/100 mm.
- the present invention also discloses a vehicle, comprising any of the above-mentioned flat spot prevention tires.
- the anti-flat spot tire and vehicle of the present invention use suitable industrialized rubber and fiber polyester materials, are designed with specific dimensions, and are optimized in the inflation process after vulcanization, which can reduce the long-term flat spot effect of the tire, thereby reducing the speed of the vehicle. jitter in .
- FIG. 1 is a schematic structural diagram of an optional anti-flat spot tire according to an embodiment of the present application.
- references herein to "one embodiment” or “an embodiment” refers to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention.
- the orientations or positional relationships indicated by the terms “upper”, “lower”, “top”, “bottom”, etc. are based on the orientations or positional relationships shown in the accompanying drawings, only for the purpose of It is convenient to describe the present invention and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
- first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first” or “second” may expressly or implicitly include one or more of that feature. Also, the terms “first,” “second,” etc. are used to distinguish between similar objects, and are not necessarily used to describe a particular order or precedence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein.
- FIG. 1 is a schematic structural diagram of an optional flat spot prevention tire according to an embodiment of the present application. Apex 5, where H is the height of the tire shoulder from the ground.
- the anti-flat spot tires and vehicles of the embodiments of the present application use suitable industrialized rubber and fiber polyester materials, are designed with specific dimensions, and are optimized in the inflation process after vulcanization, which can reduce the long-term flat spot effect of the tires, thereby reducing the vehicle's long-term flat spot effect. Shaking at high speed.
- the rubber hardness of the tread 1 is 68 to 78 Shore A;
- the cap layer 2 is formed of nylon cords, and the linear density of the nylon cords is 90 to 140 pieces/100 mm;
- the belt layer 3 is formed of steel cords,
- the steel cords include HT steel wires and/or SHT steel wires;
- the carcass 4 is formed of polyester cords, and the linear density of the polyester cords is 100-120 pieces/100 mm.
- the rubber hardness of the apex 5 shown in FIG. 1 is 74-90 Shore A.
- the height of the apex 5 shown in FIG. 1 is 25-35 mm.
- the shoulder height H shown in Fig. 1 is 6.5-8.5 mm.
- the vulcanization time of the anti-flat spot tire is 16-18 minutes, and the inflation pressure after vulcanization is 1.2-1.4 bar.
- the nylon cord is PA66
- the fineness of the PA66 is 930 denier
- the linear density is 134 pieces/100 mm.
- the steel cord is HT steel wire
- the diameter of the HT steel wire is 0.25 mm
- the HT steel wire is wound and stranded to be 2+2*0.25HT.
- the polyester cord is PET
- the fineness of the PET is 1500 denier
- the linear density is 118 pieces/100 mm.
- the nylon cord is PA66
- the fineness of the PA66 is 1200 denier
- the linear density is 97 pieces/100 mm.
- the rubber hardness of the apex 5 is 88 Shore A, the triangle
- the rubber hardness of tread 1 is 70 Shore A; the cap layer 2 is made of PA66 nylon cord with a fineness of 930 denier and a linear density of 134 pieces/100 mm; the belt layer 3 is made of HT steel wire with a diameter of 0.25 mm. After winding, the strands are 2+2*0.25HT; the carcass 4 is made of PET polyester cord, the fineness is 1500 denier, and the linear density is 118 pieces/100 mm; the rubber hardness of the apex 5 is 74 Shore A, the triangle The height of the rubber 5 is 30 mm; the height of the tire shoulder is 8.5 mm from the ground; the curing time of the tire is 18 minutes, and the inflation pressure after curing is 1.4 bar.
- the rubber hardness of tread 1 is 74 Shore A;
- the cap layer 2 is made of PA66 nylon cord with a fineness of 930 denier and a linear density of 134 pieces/100 mm;
- the belt layer 3 is made of HT steel wire with a diameter of 2.3 mm, After winding, the strands are 1*2*2.30HT;
- the carcass 4 is made of PET polyester cord, the fineness is 1500 denier, and the linear density is 118 pieces/100 mm;
- the rubber hardness of the apex 5 is 74 Shore A, the triangle The height of the rubber 5 is 30 mm; the height of the tire shoulder is 6.5 mm from the ground; the curing time of the tire is 18 minutes, and the inflation pressure after curing is 1.4 bar.
- the rubber hardness of tread 1 is 78 Shore A;
- the cap layer 2 is made of PA66 nylon cord, the fineness is 1200 denier, and the linear density is 97 pieces/100 mm;
- the belt layer 3 is made of HT steel wire, with a diameter of 2.3 mm, After winding, the strands are 1*2*2.30HT;
- the carcass 4 is made of PET polyester cord, the fineness is 1000 denier, and the linear density is 100 pieces/100 mm;
- the rubber hardness of the apex 5 is 74 Shore A, the triangle The height of rubber 5 is 35 mm; the height of the tire shoulder is 8.5 mm from the ground; the curing time of the tire is 18 minutes, and the inflation pressure after curing is 1.4 bar.
- Table 1 shows the z-jitter data of the real vehicle steering wheel after the flat spot of the tires produced using the technical solutions of Examples 1 to 4.
- the tire using the technical solution of Example 2 has the best performance, and after the flat spot In the steering wheel z shake data test, the average data is 6.95m/s, and the average data of the tire using the technical solution of Example 1 is 8.21m/s.
- Embodiments of the present application also provide a vehicle, including any of the above-mentioned flat spot prevention tires.
- the anti-flat spot tires and vehicles of the embodiments of the present application use suitable industrialized rubber and fiber polyester materials, are designed with specific dimensions, and are optimized in the post-vulcanization inflation process, which can reduce the long-term flat spot effect of the tires, thereby reducing the risk of vehicle damage. Shaking at high speed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
Claims (10)
- 一种防平斑轮胎,其特征在于,包括胎面、冠带层、带束层和胎体;所述胎面的橡胶硬度为68~78邵A;所述冠带层由尼龙帘线形成,所述尼龙帘线的线密度为90~140根/100毫米;所述带束层由钢丝帘线形成,所述钢丝帘线包括HT钢丝和/或SHT钢丝;所述胎体由聚酯帘线形成,所述聚酯帘线的线密度为100~120根/100毫米。
- 根据权利要求1所述的防平斑轮胎,其特征在于,所述防平斑轮胎还包括三角胶,所述三角胶的橡胶硬度为74~90邵A。
- 根据权利要求2所述的防平斑轮胎,其特征在于,所述三角胶的高度为25~35毫米。
- 根据权利要求3所述的防平斑轮胎,其特征在于,所述防平斑轮胎的胎肩离地高度为6.5~8.5毫米。
- 根据权利要求4所述的防平斑轮胎,其特征在于,所述防平斑轮胎的硫化时间为16~18分钟,硫化后充气压力为1.2~1.4巴。
- 根据权利要求5所述的防平斑轮胎,其特征在于,所述尼龙帘线为PA66,所述PA66的纤度为930旦尼尔,所述PA66的线密度为134根/100毫米。
- 根据权利要求6所述的防平斑轮胎,其特征在于,所述钢丝帘线为HT钢丝,所述HT钢丝的直径为0.25毫米,所述HT钢丝缠绕后并股为 2+2*0.25HT。
- 根据权利要求7所述的防平斑轮胎,其特征在于,所述聚酯帘线为PET,所述PET的纤度为1500旦尼尔,所述PET的线密度为118根/100毫米。
- 根据权利要求5所述的防平斑轮胎,其特征在于,所述尼龙帘线为PA66,所述PA66的纤度为1200旦尼尔,所述PA66的线密度为97根/100毫米。
- 一种车辆,其特征在于,包括如权利要求1-9中任一项所述的防平斑轮胎。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21929632.4A EP4306334A1 (en) | 2021-03-12 | 2021-03-12 | Flat spot-proof tire, and vehicle |
US18/277,571 US20240123766A1 (en) | 2021-03-12 | 2021-03-12 | Flat-spot-proof tire, and vehicle having the same |
CN202180068429.2A CN117015480A (zh) | 2021-03-12 | 2021-03-12 | 一种防平斑轮胎及车辆 |
PCT/CN2021/080483 WO2022188158A1 (zh) | 2021-03-12 | 2021-03-12 | 一种防平斑轮胎及车辆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2021/080483 WO2022188158A1 (zh) | 2021-03-12 | 2021-03-12 | 一种防平斑轮胎及车辆 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022188158A1 true WO2022188158A1 (zh) | 2022-09-15 |
Family
ID=83226224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/080483 WO2022188158A1 (zh) | 2021-03-12 | 2021-03-12 | 一种防平斑轮胎及车辆 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240123766A1 (zh) |
EP (1) | EP4306334A1 (zh) |
CN (1) | CN117015480A (zh) |
WO (1) | WO2022188158A1 (zh) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5656108A (en) * | 1994-06-10 | 1997-08-12 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire having inner carcass ply cord tension smaller than the outer carcass ply cord tension |
US5665785A (en) * | 1993-09-24 | 1997-09-09 | Urethane Technologies, Inc. | Process for forming microcellular structures having an integral skin and products thereof |
US20040256044A1 (en) * | 2001-07-19 | 2004-12-23 | Guido Riva | Tyre for motor vehicles with undulated manofilaments in belt reinforcement layer |
CN1820973A (zh) * | 2005-02-14 | 2006-08-23 | 住友橡胶工业株式会社 | 充气轮胎 |
CN103547462A (zh) * | 2011-05-31 | 2014-01-29 | 倍耐力轮胎股份公司 | 重载车辆车轮的充气轮胎 |
CN103568731A (zh) * | 2013-11-11 | 2014-02-12 | 北京化工大学 | 一种适用于低扁平率的子午斜交胎 |
US20160288573A1 (en) * | 2015-03-31 | 2016-10-06 | The Goodyear Tire & Rubber Company | Continuous crown reinforcement for a pneumatic tire |
US20190184749A1 (en) * | 2017-12-15 | 2019-06-20 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
CN110770039A (zh) * | 2017-06-19 | 2020-02-07 | 株式会社普利司通 | 轮胎 |
CN210416096U (zh) * | 2019-06-26 | 2020-04-28 | 青岛双星轮胎工业有限公司 | 钢丝胎体uhp轮胎 |
-
2021
- 2021-03-12 EP EP21929632.4A patent/EP4306334A1/en active Pending
- 2021-03-12 WO PCT/CN2021/080483 patent/WO2022188158A1/zh active Application Filing
- 2021-03-12 CN CN202180068429.2A patent/CN117015480A/zh active Pending
- 2021-03-12 US US18/277,571 patent/US20240123766A1/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5665785A (en) * | 1993-09-24 | 1997-09-09 | Urethane Technologies, Inc. | Process for forming microcellular structures having an integral skin and products thereof |
US5656108A (en) * | 1994-06-10 | 1997-08-12 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire having inner carcass ply cord tension smaller than the outer carcass ply cord tension |
US20040256044A1 (en) * | 2001-07-19 | 2004-12-23 | Guido Riva | Tyre for motor vehicles with undulated manofilaments in belt reinforcement layer |
CN1820973A (zh) * | 2005-02-14 | 2006-08-23 | 住友橡胶工业株式会社 | 充气轮胎 |
CN103547462A (zh) * | 2011-05-31 | 2014-01-29 | 倍耐力轮胎股份公司 | 重载车辆车轮的充气轮胎 |
CN103568731A (zh) * | 2013-11-11 | 2014-02-12 | 北京化工大学 | 一种适用于低扁平率的子午斜交胎 |
US20160288573A1 (en) * | 2015-03-31 | 2016-10-06 | The Goodyear Tire & Rubber Company | Continuous crown reinforcement for a pneumatic tire |
CN110770039A (zh) * | 2017-06-19 | 2020-02-07 | 株式会社普利司通 | 轮胎 |
US20190184749A1 (en) * | 2017-12-15 | 2019-06-20 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
CN210416096U (zh) * | 2019-06-26 | 2020-04-28 | 青岛双星轮胎工业有限公司 | 钢丝胎体uhp轮胎 |
Also Published As
Publication number | Publication date |
---|---|
EP4306334A1 (en) | 2024-01-17 |
US20240123766A1 (en) | 2024-04-18 |
CN117015480A (zh) | 2023-11-07 |
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