CN101503047A - All-steel radial tire with zero degree undertread structure - Google Patents
All-steel radial tire with zero degree undertread structure Download PDFInfo
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- CN101503047A CN101503047A CNA2009100963431A CN200910096343A CN101503047A CN 101503047 A CN101503047 A CN 101503047A CN A2009100963431 A CNA2009100963431 A CN A2009100963431A CN 200910096343 A CN200910096343 A CN 200910096343A CN 101503047 A CN101503047 A CN 101503047A
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- belt
- bracing ply
- tire
- zero degree
- steel radial
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Abstract
The invention relates to a structural design technology of an all-steel radial ply tire, in particular to the adjustment of the zero degree belt structure of the all-steel radial ply tire; the all-steel radial ply tire with zero degree belt structure comprises a tire face, a tire side, a tire ring and a cord ply; the exterior of the cord ply is sequentially 1# belt, 2# belt and zero degree belt; wherein, the 1# belt is wider than the zero degree belt; the grade difference between the 1# belt and the zero degree belt is at least 3mm. The invention breaks through the restrict of western design originator Pirelli SpA design conception on the zero degree belt structure, and provides an improved zero degree belt structure; namely, the zero degree belt is wider than the 1# belt; as the grade difference of the belt is increased, the stress is reasonably dispersed, in particular the shearing stress between ends of the 1#belt and 2# belt and the strain energy of the belt end region are reduced; the invention greatly improves the durability of the tire and reduces the shoulder vacancy defect of the tire.
Description
Technical field
The present invention relates to the structure-design technique of all-steel radial tyre, relate in particular to all-steel radial tyre 0 degree belt structure adjustment.
Background technology
Update along with the tire industrial technology, all-steel radial tyre has become tire industry main product, all-steel radial tyre in use subject matter is shoulder sky and tyre bead problem, be commonly referred to " two end points " problem, be global difficult point problem, having become both at home and abroad, each giant tyre enterprise endeavours to solve the sign of showing its technical advance.For example, give birth to heat to improve the empty defect of shoulder be exactly one of measure by reducing tyre surface, yet, reduce tyre surface and give birth to heat and often cause the tire wear performance to descend, sacrifice tire service life.
As shown in Figure 1,0 degree belt structure design is extensively adopted by domestic and international many tire enterprise as a kind of main structure-design technique of all-steel radial tyre, particularly domestic tire enterprise adopts this kind structure more than 90%, 0 degree belt structure significant characteristics are differential≤2mm that 1# bracing ply and 0 is spent bracing ply, are applied for a patent by Italian Pirelli company in the eighties in last century.
Summary of the invention
In order to solve above-mentioned technical matters, the objective of the invention is to provide a kind of all-steel radial tyre with 0 degree belt structure, do not influencing on other performance basis of tire, significantly reduce the empty defect of shoulder, improve tyre last and service life.
In order to realize above-mentioned purpose, the present invention has adopted following technical scheme:
All-steel radial tyre with 0 degree belt structure, this tire comprises table top portion, sidewall portion, bead part and carcass plies, the outside of carcass plies is followed successively by 1# bracing ply, 2# bracing ply and 0 degree bracing ply, wherein: the 1# bracing ply is wider than 0 degree bracing ply, the differential 3mm that is at least of 1# bracing ply and 0 degree bracing ply.As preferably, above-mentioned 1# bracing ply and 0 degree the differential of bracing ply are 4～10mm.
As preferably, above-mentioned 2# bracing ply is wider than 0 degree bracing ply.As preferred again, above-mentioned 2# bracing ply and 0 degree the differential of bracing ply is 9～11mm.
The present invention has broken through the constraint of west 0 degree belt structure design founder Pirelli company design concept, a kind of improved 0 degree belt structure is provided, promptly 0 degree bracing ply is wider than the 1# bracing ply, owing to strengthened the differential of bracing ply, make stress obtain rational dispersion, particularly reduce the strain energy in 1# bracing ply and 2# belt ends inter-laminar shears stress and belt ends zone, significantly promoted tyre last, reduced the empty defect of wheel tire shoulder.
Description of drawings
Fig. 1 is existing all-steel radial tyre 0 degree structure design scheme drawing.
Fig. 2 is all-steel radial tyre 0 a degree structural design drawing of the present invention.
Fig. 3 is that the present invention takes on bizet theoretical analysis finite element analysis grid chart.
Fig. 4 is tire shoulder of the present invention, crown part bit location grid and takes on empty defect theoretical analysis finite element analysis grid chart.
Fig. 5 finite element analysis strain energy of the present invention extreme value comparison diagram.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
All-steel radial tyre as shown in Figure 2 with 0 degree bracing ply, 4 structures, this tire comprises table top portion 1, sidewall portion 2, bead part and carcass plies 3, it is 3# bracing ply 7 that the outside of carcass plies 3 is followed successively by 1 # bracing ply 6,2 # bracing ply 5 and 0 degree bracing ply, 4,0 degree bracing plys, 4 middle parts.
Bracing ply severing width adjustment: 1# bracing ply 6 width are 165mm, and 1# bracing ply 6 bound edge films are adjusted into 30mm*1.0mm; 2# bracing ply 5 width 200mm, the edge-wrapping adhesive width adjustment is 240mm, isolates film and is adjusted into 30mm*1.5mm; 3# bracing ply 7 width 100mm.
1# bracing ply 6 is wider than 0 degree bracing ply 4, and 1 # bracing ply 6 and 0 degree the differential of bracing ply 4 are 7.5mm.2# bracing ply 5 is wider than 0 degree bracing ply 4, and 2 # bracing ply 5 and 0 degree the differential of bracing ply 4 are 10mm.
All the other are produced after doing suitable adjustment by 11.00R20 or the normally sold inside the country tire of 12.00R20.
All-steel radial tyre as shown in Figure 2 with 0 degree bracing ply, 4 structures, this tire comprises table top portion, sidewall portion, bead part and carcass plies, the outside of carcass plies is followed successively by 1 # bracing ply 6,2 # bracing ply 5 and 0 degree bracing ply 4, wherein: 1# bracing ply 6 is wider than 0 degree bracing ply 4, and it is 6.5mm that 1 # bracing ply 6 and 0 is spent the differential of 4 grades of bracing plys.2# bracing ply 5 is wider than 0 degree bracing ply 4, and 2 # bracing ply 5 and 0 degree the differential of bracing ply 4 are 11mm.The other technologies feature is shown in embodiment 1.
The test example
Structure and existing structure to the embodiment of the invention 1 have carried out the finite element analysis of tire construction mechanics, and conclusion is as follows:
One, inflation geometrical variations
1, inflation and the contrast of design physical dimension
| | Embodiment | 1 | Prior art |
| Overall diameter | 1085.71 | 1085.65 | |
| Section is wide | 286.45 | 286.73 |
2, load physical dimension contrast down
| |
Prior art | |
| Air pressure kPa, | 930.00 | 930.00 |
| Load kg | 5530.00 | 5530.00 |
| Bear what wide mm of section down | 324.34 | 324.51 |
| Load is quiet radius mm down, | 499.08 | 500.54 |
| Deflection mm | 42.42 | 42.29 |
| Deflection ratio | 7.81 | 7.79 |
| Impression minor axis mm | 209.904 | 209.27 |
| Impression major axis mm | 335.03 | 334.99 |
| Impression area cm2 | 703.22 | 701.04 |
| Unit area average pressuure kpa | 786.38 | 788.82 |
To structural adjustment scheme of the present invention and ordinary production tire carried out inflation, overload profile geometrical variations contrasts, structural adjustment scheme of the present invention is less to the influence of tire physical dimension.
Two, tire shoulder position data contrast
As shown in Figure 3, the typical failure area of selection is: zone and 2# belt ends zone (comprising bracing ply end points, interlayer film, shoulder pad glue, tread slab base etc.) between 1#, 2# bracing ply, the shoulder sky mainly occurs in these main zones.We have carried out comparative analysis to stress, strain, strain energy and shoulder regions strain energy extreme value and the amplitude of the unit of takeing on empty critical area.
As shown in Figure 4, no matter organization plan of the present invention is that decline has by a relatively large margin all appearred in tire shoulder failure area, bracing ply doubling, tire shoulder e1, e2, e3 regional stress, strain strain energy, take on empty failure area strain energy extreme value, the amplitude fall reaches more than 10%, it is empty to adopt this kind structure will effectively reduce shoulder.
Test figures is shown in Fig. 5 and following table:
The contrast of tire shoulder critical area strain energy extreme value
| Scheme | The shoulder failure zone | The bracing ply doubling | e1 | | e3 |
| Embodiment | |||||
| 1 | 0.2693 | 0.3897 | 0.1156 | 0.0979 | 0.0869 |
| Existing structure | 0.3576 | 0.6164 | 0.1378 | 0.1361 | 0.0892 |
Three, durability test
Following table is structure of the present invention and existing structure durability test correlation data.
By finished product durability lathe contrast test as can be seen, infrastructure product endurance quality of the present invention has the lifting more than 20%.
Claims (4)
1. the all-steel radial tyre that has 0 degree belt structure, this tire comprises table top portion (1), sidewall portion (2), bead part and carcass plies (3), the outside of carcass plies is followed successively by 1# bracing ply (6), 2# bracing ply (5) and 0 degree bracing ply (4), it is characterized in that: 1# bracing ply (6) is wider than 0 degree bracing ply (4), and 1# bracing ply (6) and 0 is spent the differential 3mm that is at least of bracing ply (4).
2. the all-steel radial tyre with 0 degree belt structure according to claim 1 is characterized in that: 1# bracing ply (6) and 0 is spent the differential 4～10mm of being of bracing ply (4).
3. the all-steel radial tyre with 0 degree belt structure according to claim 1 and 2 is characterized in that: 2# bracing ply (5) is wider than 0 degree bracing ply (4).
4. the all-steel radial tyre with 0 degree belt structure according to claim 3 is characterized in that: 2# bracing ply (5) and 0 is spent the differential 9～11mm of being of bracing ply (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100963431A CN101503047B (en) | 2009-02-23 | 2009-02-23 | All-steel radial tire with zero degree undertread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100963431A CN101503047B (en) | 2009-02-23 | 2009-02-23 | All-steel radial tire with zero degree undertread structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101503047A true CN101503047A (en) | 2009-08-12 |
| CN101503047B CN101503047B (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100963431A Active CN101503047B (en) | 2009-02-23 | 2009-02-23 | All-steel radial tire with zero degree undertread structure |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029863A (en) * | 2010-12-06 | 2011-04-27 | 山东银宝轮胎集团有限公司 | All-steel loading radial tire |
| CN108215664A (en) * | 2018-01-17 | 2018-06-29 | 山东玲珑轮胎股份有限公司 | All-steel radial tire with outer belted layer and zero-degree belted layer separated structure |
| CN108422810A (en) * | 2018-04-16 | 2018-08-21 | 中策橡胶集团有限公司 | A kind of radial heavy duty tire and preparation method thereof with the reinforced belt of bizet hoop |
| CN108638756A (en) * | 2018-04-16 | 2018-10-12 | 中策橡胶集团有限公司 | A kind of heavy-load type radial with bending type multi-lay winding structure |
| CN110588248A (en) * | 2019-09-25 | 2019-12-20 | 中策橡胶集团有限公司 | Load-carrying tire with resistance to ditch bottom cracking |
| CN111559204A (en) * | 2020-05-18 | 2020-08-21 | 通力轮胎有限公司 | All-steel radial run-flat tire with inner tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201371710Y (en) * | 2009-02-23 | 2009-12-30 | 杭州中策橡胶有限公司 | All-steel radial tire with zero-degree belted layer |
-
2009
- 2009-02-23 CN CN2009100963431A patent/CN101503047B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029863A (en) * | 2010-12-06 | 2011-04-27 | 山东银宝轮胎集团有限公司 | All-steel loading radial tire |
| CN108215664A (en) * | 2018-01-17 | 2018-06-29 | 山东玲珑轮胎股份有限公司 | All-steel radial tire with outer belted layer and zero-degree belted layer separated structure |
| CN108422810A (en) * | 2018-04-16 | 2018-08-21 | 中策橡胶集团有限公司 | A kind of radial heavy duty tire and preparation method thereof with the reinforced belt of bizet hoop |
| CN108638756A (en) * | 2018-04-16 | 2018-10-12 | 中策橡胶集团有限公司 | A kind of heavy-load type radial with bending type multi-lay winding structure |
| CN108422810B (en) * | 2018-04-16 | 2024-02-09 | 中策橡胶集团股份有限公司 | Heavy duty radial tire with crown hoop reinforced belt ply and preparation method thereof |
| CN108638756B (en) * | 2018-04-16 | 2024-02-09 | 中策橡胶集团股份有限公司 | Heavy-duty radial tire with reverse-folded multi-layer winding structure |
| CN110588248A (en) * | 2019-09-25 | 2019-12-20 | 中策橡胶集团有限公司 | Load-carrying tire with resistance to ditch bottom cracking |
| CN110588248B (en) * | 2019-09-25 | 2024-05-14 | 中策橡胶集团股份有限公司 | Trench bottom crack resistant tire for load |
| CN111559204A (en) * | 2020-05-18 | 2020-08-21 | 通力轮胎有限公司 | All-steel radial run-flat tire with inner tube |
| CN111559204B (en) * | 2020-05-18 | 2022-03-22 | 通力轮胎有限公司 | All-steel radial run-flat tire with inner tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101503047B (en) | 2011-06-01 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Chaoyang Tyre Rubber Co., Ltd. Assignor: Hanzhou Zhongce Rubber Co., Ltd. Contract record no.: 2011330001481 Denomination of invention: All-steel radial tire with zero degree undertread structure Granted publication date: 20110601 License type: Exclusive License Open date: 20090812 Record date: 20111227 |
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| C56 | Change in the name or address of the patentee |
Owner name: ZHONGCE RUBBER GROUP CO., LTD. Free format text: FORMER NAME: HANZHOU ZHONGCE RUBBER CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 310018, No. 10, No. 2, Hangzhou Economic Development Zone, Zhejiang Patentee after: ZHONGCE RUBBER GROUP CO., LTD. Address before: 310008 No. 1, tidal Road, Hangzhou, Zhejiang Patentee before: Hanzhou Zhongce Rubber Co., Ltd. |
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| 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 Development Zone, Zhejiang Province Patentee before: ZHONGCE RUBBER GROUP Co.,Ltd. |
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