CN203681165U - All-steel radial tire with two-layer U-shaped steel wire reinforcing tire bead - Google Patents
All-steel radial tire with two-layer U-shaped steel wire reinforcing tire bead Download PDFInfo
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- CN203681165U CN203681165U CN201420009946.XU CN201420009946U CN203681165U CN 203681165 U CN203681165 U CN 203681165U CN 201420009946 U CN201420009946 U CN 201420009946U CN 203681165 U CN203681165 U CN 203681165U
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- wirecord fabric
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- tire
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- 239000011324 bead Substances 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 230000003014 reinforcing effect Effects 0.000 title abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 78
- 238000010030 laminating Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
The utility model relates to an all-steel radial tire with a two-layer U-shaped steel wire reinforcing tire bead. The all-steel radial tire comprises a crown, a tire shoulder, a carcass ply, a lining layer, a belted layer and the tire bead, wherein the tire bead comprises a bead ring, a bead filler and a seam allowance protective filler, the carcass ply is used for reversely wrapping the bead ring, the two sides of the carcass ply are provided with a first wirecord fabric reinforcing layer and a second wirecord fabric reinforcing layer, respectively, the first wirecord fabric reinforcing layer is arranged between the carcass ply and the lining layer in a fitting manner, and the second wirecord fabric reinforcing layer is arranged between the carcass ply at the outer side of the tire bead and the bead filler. The all-steel radial tire with the tire bead has the advantages that the defects of an seam allowance can be effectively reduced, the rejection rate of tires is reduced, the loss of enterprises is reduced, the cyclic utilization rate of the tire can aslo be effectively increased, and the all-steel radial tire conforms to present corporate philosophy of sustainable development and economy.
Description
Technical field
The utility model relates to the manufacture field of all-steel radial tyre, relates in particular to a kind of all-steel radial tyre of adjusting tyre bead ladle structure.
Background technology
Along with developing rapidly of auto-industry, more and more higher to the requirement of tyre performance, so compared with bias tire, the all-steel radial tyre with good wear-resisting fuel-economizing has obtained the development being exceedingly fast, and become the main product of tire industry.But the performance and used life that affects tire that tyre bead problem can be serious in all-steel radial tyre driving process, thereby the design improvement of bead structure has become one of main construction of domestic and international each giant tyre enterprise.The body cord of radial-ply tyre is radial array, and sidewall is more soft, and in tire running process, tyre bead is stressed very large, less stable, and the ability of tyre bead portion opposing high load capacity is lower.Under high-load condition, often there is the situation such as breach, distortion in tyre bead portion, so in order to guarantee the rigidity of tyre bead, improve the rideability of tire, tyre bead portion must be strengthened, and make have a suitable rigidity excessive between tyre bead and soft sidewall simultaneously, and prevent that stress concentrates, improve the rideability of tire.
China's tire industry, through the development of decades, has formed than more complete industrial system, and in recent years, along with the fast development of auto-industry, the growth rate of tire industry attracted people's attention especially, and China has become the maximum tire production state in the whole world.Having at present the high performance all steel load radial tires such as energy-conservation, safe and durable, is the main product of world's tire development.But the performance and used life that affects tire that tyre bead problem can be serious in all-steel radial tyre driving process.The body cord of radial-ply tyre is radial array, sidewall is more soft, in tire running process, in order to guarantee the rigidity of tyre bead, improve the rideability of tire, tyre bead portion must be strengthened, and makes have a suitable rigidity excessive between tyre bead and soft sidewall simultaneously, prevent that stress is concentrated, improve the rideability of tire.
Chinese utility model patent (application number: 02234433.0 applying date: 2002-05-10) discloses a kind of reinforcing structure for seam allowance of full steel wire heavy load radial tire, mainly contain steel bead wire, the composite filled adhesive tape of two kinds of obvious elastomeric material compositions of performance difference, radial carcass cord layer by layer, bead the second wirecord fabric enhancement Layer and fiber/rubber combined enhancement Layer composition, it is characterized in that, from tire section, steel bead wire top is by two kinds of composite filled adhesive tape that the obvious elastomeric material of difference forms in hardness, radial carcass cord layer by layer after steel bead wire bottom reversed its end points near bead apex near the low sizing material of hardness, there is the rim of the mouth second wirecord fabric enhancement Layer of one deck through steel bead wire bottom in carcass ply outside layer by layer, there is fiber/rubber combined enhancement Layer in the second wirecord fabric enhancement Layer outside, rim of the mouth.
Chinese utility model patent (application number: 200820149422.5 applyings date: 2008-09-25) discloses a kind of radial tire deadblow out portion reinforcing structure of all-steel load radial tire, comprise wire bead, compound tyre bead bead apex, be provided with casingply outward in wire bead and composite filled adhesive tape, casingply is provided with rim of the mouth steel wire infantees outward, casingply anti-package end points, higher than the outer end points of rim of the mouth steel wire infantees, has the wear-resisting glue in one deck rim of the mouth and sidewall rubber outward at rim of the mouth steel wire infantees.The outer end points of casingply anti-package end points and rim of the mouth steel wire infantees top is provided with end-blocking adhesive tape, and end-blocking adhesive tape is by casingply anti-package end points and the completely coated sealing of the outer end points of rim of the mouth steel wire infantees.The rim of the mouth reinforcement mode that the utility model is taked is strengthened emphatically the region of bead most fragile but not the entirety of tyre bead portion is strengthened, and has guaranteed the impact in service life of shoulder zone less thereby the bulk strength of bead area increases appropriateness.
Chinese invention patent (application number: 201310113155.1 applyings date: 2013-04-03) discloses heavier-duty load-carrying whole steel wire radial tyre, carcass outside, rim of the mouth place is provided with the double-deck heel fabric for carcass anti-package end points is pushed down, steel wire heel fabric and steel wire heel fabric are U-shaped encapsulated by structures rim of the mouth place carcass, can increase like this rim of the mouth intensity, stop the problem that rim of the mouth exists.And rim of the mouth adopts U-shaped packet form, carcass anti-package end points is pushed down, and is adopted 15 degree angles, simultaneously rim of the mouth steel wire softness, rather than spend as carcass 90, end points is also neat, rigidity is too strong, excessively not smooth, by hard steel wire once excessively to soft sizing material.After like this improving now by firmly to soft excessive gradually, can make rim of the mouth split and the rim of the mouth improvement greatly of reeling off raw silk from cocoons, extended service life, saved resource.
All-steel radial tire quality problems have very most of quality problems for tyre bead portion, and this is also one of great technical barrier of facing of domestic and international tire enterprise, and the utility model is the achievement based on the long-term research of technique of the market demand and enterprise just.
Summary of the invention
The technological deficiency existing in order to solve tyre bead, the purpose of this utility model is the all-steel radial tyre that a kind of two layers of U-shaped steel wire reinforced bead will be provided, do not affecting on the basis of other performance of tire, significantly strengthen the resistance to top load performance of tyre bead portion and the endurance quality of tire, do not affect its renovation performance, and it is more reasonable that tyre bead and tire shoulder are mated simultaneously.
In order to realize first above-mentioned object, the utility model has adopted following technical scheme:
A kind of all-steel radial tyre of two layers of U-shaped steel wire reinforced bead, this tire comprises crown, tire shoulder, casingply, inside liner, bracing ply and tyre bead, described tyre bead comprises bead coil, glue is protected in triangle rubber and rim of the mouth, described casingply anti-package bead coil, the both sides of casingply are respectively equipped with the first wirecord fabric enhancement Layer and the second wirecord fabric enhancement Layer, one wirecord fabric enhancement Layer laminating be arranged on casingply and inside liner between, the first wirecord fabric enhancement Layer is walked around bead coil cross section and is U-shaped, the inner side end points of the first wirecord fabric enhancement Layer is higher than the anti-package end points of casingply, outer point is lower than the anti-package end points of casingply, the second described wirecord fabric enhancement Layer be arranged on casingply and triangle rubber outside tyre bead between, the second wirecord fabric enhancement Layer is walked around bead coil cross section and is U-shaped, and the inner side end points of the second wirecord fabric enhancement Layer and outer point are all lower than the outer point of the first wirecord fabric enhancement Layer.
As preferably, the differential of the outer point of the first described wirecord fabric enhancement Layer and the anti-package end points of casingply is 10 ~ 20mm, and the differential of the anti-package end points of inner side end points and casingply is 2 ~ 10mm.
As preferably, the wirecord fabric width of the first described wirecord fabric enhancement Layer is 140 ~ 185mm, and thickness is 2.0 ~ 3.0mm.
As preferably, the outer point of the second described wirecord fabric enhancement Layer and inner side end points are all 5 ~ 20mm with the differential of outer point of the first wirecord fabric enhancement Layer.
As preferably, the wirecord fabric width 50 ~ 100mm of the second described wirecord fabric enhancement Layer, thickness is 2.0 ~ 3.0mm.
As preferably, the first described wirecord fabric anti-package layer and the steel cord of the second wirecord fabric enhancement Layer adopt the steel wire of varying strength, and the steel cord intensity of the first wirecord fabric anti-package layer is greater than the steel cord of the second wirecord fabric anti-package layer.The steel cord of two layers of ladle structure adopts dissimilar steel wire.The U-shaped steel wire reinforcing layer material arrangements of internal layer is more even, the reasonable submissive transition of proof stress.Outer enhancement Layer adopts high tensile steel wire, and its severing width is shorter, can guarantee tire and wheel rim contact area rigidity, prevents from reeling off raw silk from cocoons.
As preferred again, the steel cord of the second described wirecord fabric anti-package layer adopts general strength wire, the intensity of general strength wire is 2000 ~ 2500MPa, and the steel cord of the first wirecord fabric anti-package layer adopts high tensile steel wire, and the intensity of high tensile steel wire is 2500 ~ 4500MPa.
As preferably, the first described wirecord fabric enhancement Layer is with the second wirecord fabric enhancement Layer by parallel steel wire and rubber composition, and steel wire and tire circumferentially have 30 ~ 45° angle degree.
The utility model is owing to having adopted above-mentioned technical scheme, adopt the all-steel radial tyre of the utility model design tyre bead can effectively reduce the defect of bead, reduce tire and pay compensation for rate, can not only reduce the loss for enterprise, also can actv. improve the cyclic utilization rate of tire, meet the business philosophy of current sustainable development and saving.By trial-production and the lathe durability test cycle of this product, obtain breakthrough result, compared with prior art, the utility model can increase tyre bead endurance quality by actv..Meanwhile, the technical solution of the utility model is simple and reliable and easy to implement in technology, can directly put into operation.
Accompanying drawing explanation
Fig. 1 is the bead structure schematic diagram of the utility model all-steel radial tyre.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.
An all-steel radial tyre for two layers of U-shaped steel wire reinforced bead, this tire comprises crown, tire shoulder, casingply 1, inside liner 2, bracing ply and tyre bead.As shown in Figure 1, described tyre bead comprises that bead coil 2, triangle rubber 3 and rim of the mouth protect glue 4, described casingply 1 anti-package bead coil 2, and the both sides of casingply 1 are respectively equipped with the first wirecord fabric enhancement Layer 5 and the second wirecord fabric enhancement Layer 6.The first wirecord fabric enhancement Layer 5 laminating be arranged on casingply 1 and inside liner 2 between, the first wirecord fabric enhancement Layer 5 is walked around bead coil 7 cross sections and is U-shaped, the inner side end points of the first wirecord fabric enhancement Layer 5 is higher than the anti-package end points of casingply 1, differential is 2 ~ 10mm, outer point is lower than the anti-package end points of casingply 1, and differential is 10 ~ 20mm.The first wirecord fabric enhancement Layer 5 is made up of parallel steel wire and rubber, and steel wire and tire circumferentially have 30 ° of angles, and wirecord fabric width is 150mm, and thickness is 2.3mm, and steel cord adopts high tensile steel wire, and the intensity of high tensile steel wire is 2500 ~ 4500MPa.
As shown in Figure 1, the second described wirecord fabric enhancement Layer 6 arrange casingply 1 and triangle rubber 3 outside tyre bead between, the second wirecord fabric enhancement Layer 6 is walked around bead coil 7 cross sections and is U-shaped, and the inner side end points of the second wirecord fabric enhancement Layer 6 and outer point are all lower than the outer point of the first wirecord fabric enhancement Layer 5.The second wirecord fabric enhancement Layer 6 is made up of parallel steel wire and rubber, steel wire and tire circumferentially have 30 ° of angles, the wirecord fabric width 85mm of the second wirecord fabric enhancement Layer 6, and thickness is 2.3mm, steel cord adopts general strength wire, and the intensity of high tensile steel wire is 2000MPa.
The method of manufacturing the radial-ply tyre of above-mentioned employing the design bead structure, the method comprises the following steps:
1) previously prepared the first wirecord fabric enhancement Layer 5 and the second wirecord fabric enhancement Layer 6;
2), when green tyres moulding, by mechanical device, the first wirecord fabric enhancement Layer 5 and the second wirecord fabric enhancement Layer 6 are passed on forming machine auxiliary drum;
3) the first wirecord fabric enhancement Layer 5 of fitting on inside liner 2;
4) symmetrical laminating casingply 1 again;
5) casingply 1 laminating arranges the second wirecord fabric enhancement Layer 6;
6) carry out all the other forming steps;
7) after moulding, tyre vulcanization is also checked, packed.
The utlity model has afterwards after testing following effect:
One, this utility model can significantly improve the tyre bead endurance quality of tire
The utility model designing tyre and original structure tire, at standard load 160%, have carried out repeatedly the test of tyre bead endurance quality under the test condition of standard pressure 80%.Lathe Data Comparison is as follows:
| The test of tyre bead endurance quality | Contrast for the first time | Contrast for the second time | Contrast for the third time |
| Standard tire | 74 | 75h | 75h |
| The utility model design experiment tire | 151h | 120h | 123h |
Data Comparison by the tyre bead machine test time: standard tire is durable is 50 ~ 90h; Utility model designing tyre is durable is 100 ~ 150h, and tyre bead durability can improve more than 30% by actv., can improve tyre performance by actv. like this.Show lathe data and pay compensation for to there is good conformability by statistical analysis, pay compensation for and can reduce by 50% as tyre bead, will bring huge economic benefit for enterprise.
Two, the anti-top load performance of reinforced bead, improves tyre bead safety
The quality accident of automobile 40% comes from tire, and tyre bead odd test is fried is also one of typical defect in home market, and the anti-performance of carrying of tyre bead has been strengthened in this utility model design, can effectively reduce the quality accident causing because of tire, ensures user's the security of the lives and property.
Three, improve the refresh rate of tire
Bead distortion are one of main symptom that affect tyre rebuilding recycle, the outer enhancement Layer ladle structure that the utility model adopts can effectively suppress the torsional deformation of tyre bead under high load capacity, significantly improve rate of reoperative tyre, be conducive to realize recycle, environmental protection.
Claims (8)
1. the all-steel radial tyre of two layers of U-shaped steel wire reinforced bead, this tire comprises crown, tire shoulder, casingply (1), bracing ply, inside liner (2) and tyre bead, described tyre bead comprises bead coil (7), glue (4) is protected in triangle rubber (3) and rim of the mouth, described casingply (1) anti-package bead coil (7), it is characterized in that: the both sides of casingply (1) are respectively equipped with the first wirecord fabric enhancement Layer (5) and the second wirecord fabric enhancement Layer (6), the first wirecord fabric enhancement Layer (5) laminating be arranged on casingply (1) and inside liner (2) between, the first wirecord fabric enhancement Layer (5) is walked around bead coil (7) cross section and is U-shaped, the inner side end points of the first wirecord fabric enhancement Layer (5) is higher than the anti-package end points of casingply (1), outer point is lower than the anti-package end points of casingply (1), the second described wirecord fabric enhancement Layer (6) be arranged on casingply (1) and triangle rubber (3) outside tyre bead between, the second wirecord fabric enhancement Layer (6) is walked around bead coil (7) cross section and is U-shaped, and the inner side end points of the second wirecord fabric enhancement Layer (6) and outer point are all lower than the outer point of the first wirecord fabric enhancement Layer (5).
2. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, it is characterized in that: the differential 10 ~ 20mm of being of the anti-package end points of the outer point of the first wirecord fabric enhancement Layer (5) and casingply (1), the differential of the anti-package end points of inner side end points and casingply (1) is 2 ~ 10mm.
3. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, is characterized in that: the wirecord fabric width of the first wirecord fabric enhancement Layer (5) is 140 ~ 185mm, and thickness is 2.0 ~ 3.0mm.
4. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, is characterized in that: the outer point of the second wirecord fabric enhancement Layer (6) and inner side end points all with the differential 5 ~ 20mm of being of the outer point of the first wirecord fabric enhancement Layer (5).
5. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, is characterized in that: the wirecord fabric width 50 ~ 100mm of the second wirecord fabric enhancement Layer (6), thickness is 2.0 ~ 3.0mm.
6. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, it is characterized in that: the first described wirecord fabric anti-package layer (5) and the steel cord of the second wirecord fabric enhancement Layer (6) adopt the steel wire of varying strength, and the steel cord intensity of the first wirecord fabric anti-package layer (5) is greater than the steel cord (6) of the second wirecord fabric anti-package layer.
7. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 6, it is characterized in that: the steel cord of the second described wirecord fabric anti-package layer (6) adopts general strength wire, the intensity of general strength wire is 2000 ~ 2500MPa, the steel cord of the first wirecord fabric anti-package layer (5) adopts high tensile steel wire, and the intensity of high tensile steel wire is 2500 ~ 4500MPa.
8. the all-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead according to claim 1, it is characterized in that: the first wirecord fabric enhancement Layer (5) is with the second wirecord fabric enhancement Layer (6) by parallel steel wire and rubber composition, and steel wire and tire circumferentially have 30 ~ 45° angle degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009946.XU CN203681165U (en) | 2014-01-07 | 2014-01-07 | All-steel radial tire with two-layer U-shaped steel wire reinforcing tire bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009946.XU CN203681165U (en) | 2014-01-07 | 2014-01-07 | All-steel radial tire with two-layer U-shaped steel wire reinforcing tire bead |
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| Publication Number | Publication Date |
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| CN203681165U true CN203681165U (en) | 2014-07-02 |
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| CN201420009946.XU Expired - Lifetime CN203681165U (en) | 2014-01-07 | 2014-01-07 | All-steel radial tire with two-layer U-shaped steel wire reinforcing tire bead |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738122A (en) * | 2014-01-07 | 2014-04-23 | 中策橡胶集团有限公司 | All-steel radial tire with tire bead reinforced by two layers of U-shaped steel wires and preparation method of tire |
| CN105365498A (en) * | 2015-12-22 | 2016-03-02 | 广州丰力橡胶轮胎有限公司 | Tire |
| CN109109576A (en) * | 2018-08-29 | 2019-01-01 | 江苏通用科技股份有限公司 | Reinforced meridian tubeless bead structure |
| CN111993846A (en) * | 2020-08-24 | 2020-11-27 | 安徽佳通乘用子午线轮胎有限公司 | Small-size all-steel tire with high bearing performance |
-
2014
- 2014-01-07 CN CN201420009946.XU patent/CN203681165U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738122A (en) * | 2014-01-07 | 2014-04-23 | 中策橡胶集团有限公司 | All-steel radial tire with tire bead reinforced by two layers of U-shaped steel wires and preparation method of tire |
| CN103738122B (en) * | 2014-01-07 | 2016-03-23 | 中策橡胶集团有限公司 | All-steel radial tyre of a kind of two layers of U-shaped steel wire reinforced bead and preparation method thereof |
| CN105365498A (en) * | 2015-12-22 | 2016-03-02 | 广州丰力橡胶轮胎有限公司 | Tire |
| CN109109576A (en) * | 2018-08-29 | 2019-01-01 | 江苏通用科技股份有限公司 | Reinforced meridian tubeless bead structure |
| CN111993846A (en) * | 2020-08-24 | 2020-11-27 | 安徽佳通乘用子午线轮胎有限公司 | Small-size all-steel tire with high bearing performance |
| CN111993846B (en) * | 2020-08-24 | 2022-05-31 | 安徽佳通乘用子午线轮胎有限公司 | Small-size all-steel tire with high bearing performance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 310018 No. 1, No. 1 Street, Qiantang District, Hangzhou, Zhejiang Patentee after: Zhongce Rubber Group Co.,Ltd. Address before: 310018 No.2, 10th Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: ZHONGCE RUBBER GROUP Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20140702 |