CN101077685A - Inflatable pneumatic tyre - Google Patents
Inflatable pneumatic tyre Download PDFInfo
- Publication number
- CN101077685A CN101077685A CN 200710016683 CN200710016683A CN101077685A CN 101077685 A CN101077685 A CN 101077685A CN 200710016683 CN200710016683 CN 200710016683 CN 200710016683 A CN200710016683 A CN 200710016683A CN 101077685 A CN101077685 A CN 101077685A
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- tyre
- bead
- kiss
- coating
- air
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Abstract
The present invention discloses one kind of inflated tyre, and aims at solving the technological problem of raising the durability of tyre bead, etc of inflated tyre. The inflated tyre includes one tread around the tyre crown, two tyre sidewall, two tyre beads, and carcass plies extending between two tyre beads. The carcass plies between two tyre beads around the tyre beads outwards are located in the tyre skeleton. The tyre beads are wound with spiral steel wire or high strength fiber. The inflated tyre of the present invention has raised durability, simplified production process and lowered cost.
Description
Technical field
The present invention relates to a kind of air-inflation tyre, more specifically, it relates to a kind of being applicable to and improves the tyre bead endurance quality, reduces technological process, reduces the bead structure of tire cost.
Background technology
For the truck tyre of air-inflation tyre-particularly, be to improve the automobile load ability, intensity and rigidity that must the reinforced bead position will guarantee back operation manufacturing technique requirent simultaneously.Thereby for the tyre bead of band tire in process of production, adopt all that the nylon cord with the rubberizing calendering twines in kiss-coating bundled steel wires outside, under certain condition to the tyre bead presulfurization, guarantee technological requirement and product design then.
But above production method causes the technological process of production loaded down with trivial details, need carry out rubberizing calendering, view picture cord one minute three of the nylon cord, multi-knife longitudinal, cord rewind; Multiple working procedure and specialized equipments such as tyre bead outsourcing, tyre bead presulfurization cause a large amount of waste materials in process of production, and cord bloom very easily in depositing process, cause sticking and property decline between each parts of bead part, influence final tire quality.The nylon cord of Chan Raoing causes position, rim of the mouth heat dispersion to descend in the tire use simultaneously, thereby causes the infantile failure at tyre rim position.
Summary of the invention
Thereby the objective of the invention is to design a kind of air-inflation tyre, on the basis that the endurance quality of tyre bead portion is improved in this tire, reduce technological process, and reduce the tire cost.
To achieve these goals, this present invention is achieved by the following technical solutions:
A kind of air-inflation tyre, it comprises:
, a tread portion: tread cap, tread base;
Belt layer part;
The pair of sidewall part;
Pad glue part: bracing ply pad glue, shoulder wedge;
Lining layer part: cambic horizon, air-retaining liner;
The casingply part: casingply is walked around the tyre bead anti-package laterally from the tire inboard between two tyre beads, thereby forms a pair of anti-package part and the carcass base portion between it;
Bead part: triangular rubber core, bead coil, bead coil encapsulate, chafer; And at the individual wire or the high-intensity fiber of the circumferential spiral winding of kiss-coating bundled steel wires outside face.
In further detailed structure of the present invention, also have following feature: at the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber diameter between 0.2-0.8mm.
In further detailed structure of the present invention, also have following feature: individual wire or high-intensity fiber in the circumferential spiral winding of kiss-coating bundled steel wires outside face twine pitch between 10-50mm.
In further detailed structure of the present invention, also have following feature: at 2-15%, disruption characteristic is at the 200-800N/ root at the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber breaking elongation.
In further detailed structure of the present invention, also have following feature: the tightening force when the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber twine is more than 40N.
Compared with prior art, the present invention has the following advantages and good effect:
Because air-inflation tyre of the present invention has adopted said structure, has improved the durability of tyre bead portion greatly, has reduced technological process, and has reduced the tire cost.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described in detail, in the accompanying drawings:
Fig. 1 is the cross sectional view that pneumatic tires according to the present invention is done;
Fig. 2 is the cross sectional view of an amplification, has represented the bead part that Fig. 1 looked.
Fig. 3 is the cross sectional view of an amplification, has represented the kiss-coating bundled steel wires and the wire covering of bead part.
Fig. 4 is the cross sectional view of an amplification, and the kiss-coating bundled steel wires outside face of having represented bead part twines the section behind individual wire or high-intensity fiber and the triangular rubber core of applying ointment or plaster.
Fig. 5 is the cross sectional view of an amplification, has represented that the kiss-coating bundled steel wires outside face of bead part twines individual wire or high-intensity fiber situation.
The specific embodiment
In the accompanying drawings, pneumatic tires according to the present invention 1 comprises a tread portion 2; A pair of axially spaced bead part 3, belt layer part 4, it is arranged between tyre surface and the casingply; Pair of sidewall part 5, they extend between tread edge and the bead part; Pad glue part 6; Lining layer part 7; Casingply part 8, casingply is walked around the tyre bead anti-package laterally from the tire inboard between two tyre beads, thereby forms a pair of anti-package part and the carcass base portion between it.
Fig. 1 is to be in the cross-section cutaway view that the mounting of tyre of application of load, standard inflated condition is not done on a standard rim.
Carcass cord layer of cloth 8 is wirecord fabrics of rubberizing calendering, with respect to the tire equator face with 90 the degree through the angle radial arrangement, carcass plies 8 extends between two bead part 3 through belt layer part 4 and sidewall part 5, and in two bead part 3, walk around bead part and be folded to its outside from the inboard of tire, thereby form a pair of anti-package part 8b and the base portion 8a between turnup divides.The radial height of anti-package part 8b should be within zone of reasonableness, promptly between the 10%-35% with the ratio of tire cross-section height.
Individual wire or high-intensity fiber are looped around the bead coil outside face and twine in a spiral manner, and the pitch of winding is between 10-50mm, preferably between 20-30mm.Pitch is excessive, and easily to cause twining the back constrained force on the low side, and the too small operation easier that increased of pitch reduces production efficiency.
The diameter of individual wire or high-intensity fiber is at 0.2-0.8mm, and the too small disruption characteristic of diameter is less than normal, easily ruptures in winding process; Diameter is excessive, and rigidity is bigger than normal, twines not tight, and easily loose in operating process.
The best 200-800N/ root of individual wire or high-intensity fiber disruption characteristic, the fracture extensibility can guarantee operation technological requirement after promptly at 2-15%, guarantees winding steel wire circle dynamics again.
Individual wire or high-intensity fiber are wrapped on the special tool character wheel, substitute former nylon calendering rubberized cord, utilize the chafer machine that bead coil is carried out spiral winding according to above condition, winding steel wire or high-intensity fiber end points wrap up with film or nylon rubberized cord bar, at its external coating gasoline rubber cement, after gasoline volatilization is thorough, directly carry out applying ointment or plaster and the fetus moulding of triangular rubber core then.
The contrast experiment
The tyre model that compares experiment is 11.00R20-18PR, and substitutes the nylon rubberized cord except that the bead coil outside face twines by individual wire or high-intensity fiber, and other structure is all identical, and the experiment of being carried out is as follows:
1) operative weldability experiment
Under every forming operation technology does not become prerequisite, measure moulding---the slippage of carcass cord between tyre bead in the type-approval process, this experimental result is represented with an index in table 1, the tire that this index is produced with prior art is an a reference value 100, this index is low more, and operative weldability is stable more.
2) bead coil cross dimensions compatibility experiment
The experiment tire of newly making is cut circumferential section, and the tyre bead section part is polished, each size of measuring steel wire circle transversal surface compares with each size of designing tyre bead coil transversal surface, and compatibility is high more, and the tyre bead capability and performance is good more.
3) tyre bead durability test
Adopt a Tire testing drum, the experiment tire is installed in one and is of a size of on 8.0 the standard rim, with the pressure inflatable of 600KPa, and loads the load of 35KN, under 39 ℃ ambient temperature, rotate, till this tire the rim of the mouth occurs and splits with 30 kilometers/hour linear velocity.Measure its travelled distance this moment.In table 1, experimental result is a reference value 100 with an exponential representation, this index with the tire of prior art production, and this index is high more, and the tyre bead endurance quality is good more.
4) tire cost
The tire cost is represented with an index, and the tire that this index is produced with prior art is an a reference value 100, and this index is low more, and the tire cost is low more.
Table 1
| Tire | Operative weldability | Tyre bead cross dimensions compatibility | The tyre bead durability | The tire cost |
| Prior art | 100 | 100 | 100 | 100 |
| Experimental example | 101 | 100 | 125 | 97.5 |
Claims (5)
1. air-inflation tyre comprises:
, a tread portion: tread cap, tread base;
Belt layer part;
The pair of sidewall part;
Pad glue part: bracing ply pad glue, shoulder wedge;
Lining layer part: cambic horizon, air-retaining liner;
The casingply part: casingply is walked around the tyre bead anti-package laterally from the tire inboard between two tyre beads, thereby forms a pair of anti-package part and the carcass base portion between it,
Bead part: triangular rubber core, bead coil, bead coil encapsulate, chafer; And at the individual wire or the high-intensity fiber of the circumferential spiral winding of kiss-coating bundled steel wires outside face.
2. air-inflation tyre according to claim 1 is characterized in that:
At the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber diameter at 0.2-0.8mm.
3. air-inflation tyre according to claim 1 is characterized in that:
Individual wire or high-intensity fiber in the circumferential spiral winding of kiss-coating bundled steel wires outside face twine pitch at 10-50mm.
4. air-inflation tyre according to claim 1 is characterized in that:
At 2-15%, disruption characteristic is at the 200-800N/ root at the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber breaking elongation.
5. air-inflation tyre according to claim 1 is characterized in that:
Tightening force when the individual wire of the circumferential spiral winding of kiss-coating bundled steel wires outside face or high-intensity fiber twine is more than 40N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710016683 CN101077685A (en) | 2007-06-28 | 2007-06-28 | Inflatable pneumatic tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710016683 CN101077685A (en) | 2007-06-28 | 2007-06-28 | Inflatable pneumatic tyre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101077685A true CN101077685A (en) | 2007-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710016683 Pending CN101077685A (en) | 2007-06-28 | 2007-06-28 | Inflatable pneumatic tyre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101077685A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596841B (en) * | 2009-06-04 | 2010-12-29 | 青岛双星轮胎工业有限公司 | Pneumatic tyre |
| CN102076509A (en) * | 2009-03-04 | 2011-05-25 | 米其林技术公司 | Bicycle tyre |
| CN102085778A (en) * | 2009-12-04 | 2011-06-08 | 韩国轮胎株式会社 | Automobile tyre with improved bead |
| CN102397963A (en) * | 2010-09-15 | 2012-04-04 | 山东玲珑轮胎股份有限公司 | Wrapping cloth winding process for tyre bead ring |
| CN102922950A (en) * | 2012-11-13 | 2013-02-13 | 江苏通用科技股份有限公司 | Reinforcing type liner layer structure |
| CN103223828A (en) * | 2013-05-13 | 2013-07-31 | 中橡集团曙光橡胶工业研究设计院 | Meridian sailing tire for hexagonal steel wire rings and manufacturing method of hexagonal steel wire ring |
| CN109109577A (en) * | 2018-09-05 | 2019-01-01 | 江苏通用科技股份有限公司 | Bearing type tubeless tyre bead structure |
| CN109996686A (en) * | 2016-11-25 | 2019-07-09 | 株式会社普利司通 | Tire |
| 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 |
| CN112373245A (en) * | 2020-11-17 | 2021-02-19 | 安徽佳通乘用子午线轮胎有限公司 | Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method |
-
2007
- 2007-06-28 CN CN 200710016683 patent/CN101077685A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076509A (en) * | 2009-03-04 | 2011-05-25 | 米其林技术公司 | Bicycle tyre |
| CN101596841B (en) * | 2009-06-04 | 2010-12-29 | 青岛双星轮胎工业有限公司 | Pneumatic tyre |
| CN102085778A (en) * | 2009-12-04 | 2011-06-08 | 韩国轮胎株式会社 | Automobile tyre with improved bead |
| CN102397963A (en) * | 2010-09-15 | 2012-04-04 | 山东玲珑轮胎股份有限公司 | Wrapping cloth winding process for tyre bead ring |
| CN102922950A (en) * | 2012-11-13 | 2013-02-13 | 江苏通用科技股份有限公司 | Reinforcing type liner layer structure |
| CN103223828A (en) * | 2013-05-13 | 2013-07-31 | 中橡集团曙光橡胶工业研究设计院 | Meridian sailing tire for hexagonal steel wire rings and manufacturing method of hexagonal steel wire ring |
| CN103223828B (en) * | 2013-05-13 | 2016-03-23 | 中国化工集团曙光橡胶工业研究设计院有限公司 | The meridian aviation tyre of hexagonal bead and the manufacture method of hexagonal bead |
| CN109996686A (en) * | 2016-11-25 | 2019-07-09 | 株式会社普利司通 | Tire |
| CN109109577A (en) * | 2018-09-05 | 2019-01-01 | 江苏通用科技股份有限公司 | Bearing type tubeless tyre 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 |
| CN112373245A (en) * | 2020-11-17 | 2021-02-19 | 安徽佳通乘用子午线轮胎有限公司 | Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method |
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