CN113199911A - Load radial tire with full contact steel wire ring and winding disc thereof - Google Patents
Load radial tire with full contact steel wire ring and winding disc thereof Download PDFInfo
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- CN113199911A CN113199911A CN202110567890.4A CN202110567890A CN113199911A CN 113199911 A CN113199911 A CN 113199911A CN 202110567890 A CN202110567890 A CN 202110567890A CN 113199911 A CN113199911 A CN 113199911A
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- steel wire
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 238000004804 winding Methods 0.000 title claims abstract description 45
- 239000011324 bead Substances 0.000 claims abstract description 162
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000004677 Nylon Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims abstract description 6
- 229920001778 nylon Polymers 0.000 claims abstract description 6
- 238000010618 wire wrap Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010073 coating (rubber) Methods 0.000 claims 1
- 238000005491 wire drawing Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 5
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- 230000007774 longterm Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
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- 238000000034 method Methods 0.000 description 6
- 238000012797 qualification Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009172 bursting Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- 241000254043 Melolonthinae Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
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Images
Classifications
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- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
- B60C15/05—Bead cores multiple, i.e. with two or more cores in each bead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D2030/487—Forming devices for manufacturing the beads
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
- B60C2015/042—Bead cores characterised by the material of the core, e.g. alloy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a heavy-duty radial tire with a full-contact steel wire ring, which comprises a tire tread, a belted layer, a tire shoulder cushion rubber, a tire side, an upper triangular rubber, a nylon wrapping cloth, a tire body, a steel wire wrapping cloth, a lower triangular rubber, a bead filler, an inner lining layer and a steel wire ring. The invention also provides a winding disc of the heavy-duty radial tire with the full-contact steel wire ring. The steel wire ring is composed of regular hexagon bead wires, two surfaces of the left and right sides of each regular hexagon bead wire are automatically vertical surfaces through the triangular sawtooth surfaces of the winding discs of the corresponding steel wire ring, so that six surfaces of each regular hexagon bead wire are mutually attached to form a surface contact stable structure with a self-locking function, no gap exists between the steel wires, no residual air exists in the steel wire ring after winding, the early damage problems of empty ring, three-line crack, burn opening, wire drawing explosion and the like caused by overhigh heat generation of the bead under a heavy load condition of a vehicle are avoided, and powerful guarantee is provided for long-term durability and safe driving of a tire.
Description
Technical Field
The invention relates to the technical field of all-steel-wire truck radial tires, in particular to a truck radial tire with a full-contact steel wire ring and a winding disc thereof.
Background
With the rapid growth of Chinese economy, traffic roads and vehicles have also grown rapidly, and therefore the quality requirements for tires fitted to passenger vehicles have become higher and higher. The technology of introducing the all-steel wire heavy-duty radial tire in China has been over 30 years, the technology has achieved remarkable performance through digestion, absorption and technical innovation, but the steel wire ring at the tire bead part of the all-steel heavy-duty radial tire is extremely easy to be loosened due to the shape factor of a round steel wire in the production and use processes, the strength of the steel wire ring after being loosened cannot meet the design requirement, the grasping force between the tire and a rim is easy to weaken, the locking force of the steel wire ring for locking the tire body steel wire is easy to reduce, strain energy is increased when the stress strain between the steel wire at the tire body turn-up end point and the rubber is increased due to the fact that the tire rim is easy to creep and friction and the tire body steel wire is pulled due to high pressure in the tire, the tire bead part of the tire is over high in heat generation due to the two reasons, the adhesive force between the tire body steel wire and the rubber is rapidly reduced due to the degradation and aging of the performance of the rubber material, and the tire bead empty is generated, three-line crack and wire-drawing explosion. The prior introduced technology has the design defect, and even if winding cloth and semi-vulcanization are added after the bead ring is formed, the problem of loose bead ring of the all-steel-wire heavy-duty radial tire cannot be effectively solved. Therefore, the symptoms of the tire bead endurance early fatigue damage such as ring empty, three-line crack, burn-in and wire drawing burst still exist and seriously affect the economy and user satisfaction of the all-steel load-carrying radial tire.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a heavy-duty radial tire with a full-contact steel wire ring and a winding disc thereof, and solves the technical problems of blank ring, three-line crack, bead burning, wire drawing explosion and other early-stage tire damages caused by overhigh heat generation of the tire ring of a vehicle under heavy load conditions in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention provides a heavy-duty radial tire with a full-contact bead ring, which comprises a tire tread, a belted layer, a tire shoulder cushion rubber, a tire side, an upper triangular rubber, a nylon wrapping cloth, a tire body, a steel wire wrapping cloth, a lower triangular rubber, a bead filler, an inner liner and a bead ring, wherein the bead ring is formed by a plurality of circles of bead wires with regular hexagonal sections.
Furthermore, the adjacent bead wires of each circle are in surface contact, and bead wire winding cloth is wound on the surface of the bead wire at the outermost layer of the bead wire.
Further, no gap exists between the adjacent bead wires of each circle.
Further, the left side surface and the right side surface of the bead wire are perpendicular to the ground on which the tire runs.
Furthermore, the outermost layer of the section of the steel wire ring is a triangular sawtooth-shaped regular hexagon.
Further, the bead wire comprises a wire body and a coating rubber coated on the surface of the wire body.
Further, the thickness of the coating is 0.1 mm.
The invention also provides a winding disc of the heavy-duty radial tire with the full-contact bead ring, which is used for the bead wire in the heavy-duty radial tire with the full-contact bead ring, wherein the winding disc comprises a winding disc body, the peripheral surface of the winding disc body is provided with an annular groove coaxial with the winding disc body, the annular groove is provided with a first side surface, a second side surface and a first bottom surface, the first side surface, the second side surface and the first bottom surface are triangular sawtooth surfaces, the bead ring is formed by winding the bead wire attached to the annular groove, and the outer surfaces of the first side surface, the first bottom surface and the second side surface of the bead ring are in seamless contact.
Compared with the prior art, the invention has the beneficial effects that: the technical scheme adopts the steel wire ring composed of the regular hexagonal bead wires, two surfaces of the left side and the right side of each regular hexagonal bead wire are automatically vertical surfaces through the triangular sawtooth surfaces of the winding discs of the corresponding steel wire ring, so that the six surfaces of each regular hexagonal bead wire are ensured to be mutually adhered to form a surface contact stable structure with a self-locking function, no gap exists between the steel wires, the fact that residual air does not exist in the steel wire ring after winding is ensured, the durable service life of the bead of the tire is greatly prolonged, the early damage problems of the tire such as ring empty, three-line cracks, a burning opening, wire drawing explosion and the like caused by overhigh heat generation of the bead under a heavy load condition of a vehicle are avoided, and therefore the bead wire can provide powerful guarantee for long-term durability and safe driving of the tire. And what the circular bead steel wire of prior art twined is the line contact structure, and overall structure is unstable, often appears the scattered circle problem after twining into the steel wire circle to it is difficult to discharge to remain the air to be gapped between steel wire and the steel wire, scattered circle and nest air can all influence the tire bead durability of tire, reduce the durable mileage life-span of tire.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of a heavy duty radial tire having a full contact bead ring provided in accordance with the present invention;
FIG. 2 is a schematic structural view of a bead wire of a regular hexagon provided by the present invention;
FIG. 3 is a schematic structural view of a conventional round bead wire;
FIG. 4 is a schematic view of a partial cross-sectional structure of a bead ring made of a bead wire of a regular hexagonal shape provided by the present invention;
FIG. 5 is a partial cross-sectional structural view of a bead ring made of a conventional round bead wire;
FIG. 6 is a schematic cross-sectional view of a bead ring made of a regular hexagonal bead wire according to the present invention;
FIG. 7 is a schematic cross-sectional view of a bead ring made of a conventional round bead wire;
FIG. 8 is a schematic cross-sectional view of a bead ring-winding disk of a regular hexagonal bead wire according to the present invention;
fig. 9 is a schematic cross-sectional view of a bead wire winding disk of a conventional bead wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the present embodiment provides a heavy duty radial tire with a full contact bead ring, including a tread 1, a belt layer 2, a shoulder cushion 3, a sidewall 4, an upper bead filler 5, a nylon chafer 6, a carcass 7, a chafer 8, a lower bead filler 9, a bead filler 12, an inner liner 13, and a bead ring 10, wherein the bead ring 10 is formed by a bead wire 14 with a regular hexagon cross section wound around a plurality of rings.
In this embodiment, each adjacent bead wire 14 is in surface contact, the bead wire 14 at the outermost layer of the bead wire 10 is wound with the bead wire winding cloth 11, and there is no gap between adjacent bead wires 14, so that there is no residual air in the wound bead wire 10.
The left side surface and the right side surface of the bead wire 14 are both vertical to the ground where the tire runs, and the left side surface and the right side surface of each regular hexagonal bead wire 14 are automatically vertical surfaces, so that six surfaces of the regular hexagonal bead wires 14 are mutually attached to form a surface contact stable structure with a self-locking function.
The outermost layer of the cross section of the bead ring 10 is a regular hexagon with a triangular sawtooth shape, the bead wire 14 comprises a wire body 141 and a coating adhesive 142 coated on the surface of the wire body, and the thickness of the coating adhesive 142 is 0.1 mm.
Specifically, in this example, a 10.00R 20-sized tire was selected and implemented, and as shown in fig. 2, the regular hexagonal bead wire 14 of the present embodiment has a bead ring structure arranged in 5-6-7-8-9-8-7-6-5, a cross-sectional side length b of the regular hexagonal bead wire is 0.89mm, a half-section height h is 0.77mm, and a breaking tension thereof is 3680N. Fig. 3 shows a conventional circular bead wire having a diameter 2R of 1.65mm and a breaking tension of 3680N. Fig. 8 is a winding disc of a regular hexagonal bead wire, fig. 9 is a winding disc of a conventional circular bead wire, fig. 6 is a bead ring in which the regular hexagonal bead wires are wound by being arranged layer by layer one by corresponding winding discs in a prescribed order, wherein the inner diameter d1 of the bead ring is 528mm, the bottom width W1 of the bead ring is 8.12mm, the width W1 of the bead ring is 16.24mm, the height T1 of the beveled edge of the bead ring is 7.03mm, and the thickness T1 of the bead ring is 14.06 mm; FIG. 7 is a bead ring formed by winding a conventional circular bead wire by arranging corresponding winding disks of FIG. 9 one by one layer, wherein the bead ring has a bead ring structure arrangement of 5-6-7-8-9-8-7-6-5, wherein the inner diameter d of the bead ring is 528mm, the bottom width W of the bead ring is 8.24mm, the bead ring width W is 16.48mm, the height T of the beveled edge of the bead ring is 7.14mm, the bead ring thickness T is 14.27mm, and the difference between the regular hexagonal wire sectional area 3bh and the circular wire sectional area π R2 is within. + -. 2.8%, thereby ensuring the structural strength. Fig. 4 and 5 are partial enlarged views of the bead ring according to the embodiment and the conventional bead ring, and it can be seen from fig. 4 that the steel wires inside the full contact bead ring formed by winding the regular hexagonal bead wires are in surface-to-surface contact with each other, six surfaces of each steel wire are in full contact fit to form position self-locking, and air is not trapped when no gap winding process exists between the steel wires.
In the implementation and production process of the scheme, the qualification rate of the bead wire winding is 100%, the problem of loose circles and loose circles is solved, the nylon wrapping cloth is stored and externally wrapped, the phenomenon of loose circles and loose circles is avoided, the qualification rate of the existing round steel wire winding is about 97%, and the problem of reworking caused by loose circles and loose circles is also solved when the nylon wrapping cloth is stored and externally wrapped. The appearance inspection and X-ray nondestructive inspection results of the finished tire, the tire of the scheme of the invention has no problems of bead bubble and steel wire ring looseness, and the proportion of bead bubble and steel wire ring looseness in the normal production of the tire in the prior art is about 0.15 percent.
When the tire section analysis of the trial test and the batch production example check of the scheme of the invention is carried out, the sizes of all components at the tire bead part, particularly the stability of the sizes of the turnup end points of the bead ring and the tire body and the symmetry degree of the sizes of the sections of the upper mold tire and the lower mold tire all meet the technical standard, and the bead ring of the finished tire has no problem of loose rings. The regular hexagonal bead wire full-contact type bead wire bead ring has obvious shape retention advantages in the tire blank forming process and the vulcanization mould pressing process, and the bead wire full-contact type bead wire bead ring with the self-locking function in the prior art can be extruded and deformed due to external forces of the forming drum sector speed, the mould closing speed and the like during the forming and vulcanization mould pressing processes, so that the performance of a finished tire is influenced.
The evaluation items of the hydraulic bursting tests in the laboratory show that the strength safety multiple of the hydraulic bursting test in the prior art is 4.2-5.0, the safety strength multiple of the hydraulic bursting test of the tire of the regular hexagonal bead wire in the scheme is 5.8-6.3, the same number and structure arrangement of the steel wires can be seen, the safety multiple of the tire produced by the bead ring in the scheme is 26-38% higher than that of the tire produced by the bead ring in the prior art, and the fluctuation range is smaller and more stable.
In a tire bead durable rotating drum comparison experiment in a laboratory, the test standard is that the loading load is 160 percent of the standard load, the test air pressure is 80 percent of the standard air pressure, the running speed is 50km/h (in order to avoid the influence of crown heat generation caused by increasing the load on the test result, the tire tread of the tire in the comparison test is polished to the position of a wear identifier), and the comparison test result is as follows: from the bead endurance test results, it is understood that the bead endurance time of the tire of the regular hexagonal bead wire of the present aspect is improved by about 1.19 times as compared to the tire produced by the prior art bead ring.
TABLE 1 results of bead endurance test
The embodiment also provides a winding disc of a heavy-duty radial tire with a full-contact bead ring, which is used for winding bead wires in the heavy-duty radial tire with the full-contact bead ring, wherein the winding disc comprises a winding disc body, an annular groove coaxial with the winding disc body is arranged on the outer peripheral surface of the winding disc body, the annular groove is provided with a first side surface a1, a second side surface a2 and a first bottom surface a3, the first side surface a1, the second side surface a2 and the first bottom surface a3 are all triangular sawtooth surfaces, the bead ring is formed by winding the bead wires attached to the annular groove, the outer surfaces of the bead ring are in seamless contact, specifically, the first side surface a1, the first bottom surface a3 and the second side surface a2 are all triangular sawtooth surfaces so as to be engaged with the sawtooth surfaces at the outer edge of the bead ring, in this embodiment, the winding disc includes a first side connection portion b1 and a second side connection portion b2, and the first side connection portion b1 is axially movable relative to the second side connection portion b2, so that the width adjustment of the annular groove (and the distance between the first side surface a1 and the second side surface a 2) can be realized, which is convenient for the reader to understand the scheme, and this is exemplified here: first side connecting portion b1 can be the solid of revolution, second side connecting portion b2 is not complete solid of revolution structure, second side connecting portion b2 is for following a plurality of arc pieces that first side connecting portion b1 circumference was evenly arranged, bolt fixed connection can be passed through to first side connecting portion by second side connecting portion to make things convenient for second side connecting portion b2 with first side connecting portion b1 is installed and removed, avoids second side connecting portion b2 unable relative first side connecting portion b1 radial motion.
The invention has the following advantages:
1. the invention can obviously improve the stability of the steel wire ring and the durability of the tire bead of the all-steel load radial tire.
Compared with the circular bead wire in the prior art, the regular hexagon bead wire designed by the invention can effectively improve the problem of loose and loose rings of the bead ring through the position self-locking characteristic formed by the surface-to-surface joint and support of six surfaces of the wire, and completely maintain the stability of the structure and the appearance of the bead ring, thereby solving the problems of ring cracking and wire drawing explosion of the bead ring, further improving the bead durability of the tire and prolonging the service life of the tire.
2. The invention can completely discharge the air trapped in the winding process of the tire bead steel wire and solve the problem of empty tire bead opening.
According to the steel wire ring wound by the regular hexagonal bead steel wire, six surfaces of the regular hexagonal steel wire are in surface-to-surface fit, no gap exists between the steel wires, and air cannot be trapped, so that the problem of empty bead opening of the bead caused by the fact that air cannot be discharged from the bead in the production process is solved, and the durable life of the bead of the tire is prolonged.
3. The invention can improve the qualification rate of the components of the steel wire ring and the qualification rate of the quality of the finished tire.
The steel wire ring wound by the regular hexagonal bead wires can solve the problems of loose ring and loose ring of the steel wire ring and the problem of no air trapped in the steel wire ring, thereby improving the qualification rate of wound steel wire ring components and the qualification rate of finished tires and reducing the production and manufacturing cost.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A heavy-duty radial tire with a full-contact steel wire ring comprises a tire tread, a belted layer, a tire shoulder cushion rubber, a tire side, an upper triangular rubber, a nylon wrapping cloth, a tire body, a steel wire wrapping cloth, a lower triangular rubber, a bead filler wear-resistant rubber, an inner liner and a steel wire ring, and is characterized in that the steel wire ring is formed by a plurality of circles of tire bead steel wires with regular hexagonal sections in a surrounding mode.
2. A heavy duty radial tire having a full contact bead wire according to claim 1, wherein said bead wires adjacent to each turn are in surface contact with each other, and said bead wires of said outermost bead wire layer are surface-wound with a bead wire wrap.
3. A heavy duty radial tire with full contact bead wires according to claim 1, wherein there is no gap between the bead wires adjacent to each turn.
4. A heavy duty radial tire with a full contact bead wire according to claim 3, wherein both left and right side faces of said bead wire are perpendicular to the ground on which the tire runs.
5. The heavy duty radial tire with a full contact bead ring according to claim 1, wherein the outermost layer of the cross section of said bead ring is a regular hexagon of triangular zigzag shape.
6. The heavy duty radial tire with a full contact bead wire according to claim 1, wherein said bead wire comprises a wire body and a rubber coating externally coated on the surface of said wire body.
7. Heavy duty radial tire with full contact bead ring according to claim 6, characterized in that the thickness of the overlay rubber is 0.1 mm.
8. A winding disc of a heavy-duty radial tire with a full-contact bead ring is used for winding the bead wire in the heavy-duty radial tire with the full-contact bead ring, which is described in any one of claims 1 to 7, and is characterized in that the winding disc comprises a winding disc body, an annular groove coaxial with the winding disc body is arranged on the outer peripheral surface of the winding disc body, the annular groove is provided with a first side surface, a second side surface and a first bottom surface, the first side surface, the second side surface and the first bottom surface are triangular sawtooth surfaces, the bead ring is formed by the bead wire which is attached to the annular groove in a winding mode, and the outer surfaces of the bead ring on the first side surface, the first bottom surface and the second side surface are in seamless contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567890.4A CN113199911A (en) | 2021-05-24 | 2021-05-24 | Load radial tire with full contact steel wire ring and winding disc thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567890.4A CN113199911A (en) | 2021-05-24 | 2021-05-24 | Load radial tire with full contact steel wire ring and winding disc thereof |
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| Publication Number | Publication Date |
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| CN113199911A true CN113199911A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110567890.4A Pending CN113199911A (en) | 2021-05-24 | 2021-05-24 | Load radial tire with full contact steel wire ring and winding disc thereof |
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| CN (1) | CN113199911A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524750A (en) * | 2021-09-16 | 2021-10-22 | 天津赛象科技股份有限公司 | Method for measuring service length of steel wire ring wrapping cloth and method for wrapping steel wire ring |
| CN115195171A (en) * | 2022-07-06 | 2022-10-18 | 赛轮集团股份有限公司 | Production method of heavy-duty tire |
| CN116278092A (en) * | 2023-05-17 | 2023-06-23 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Method for improving engineering radial tire bead durability |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58128238A (en) * | 1982-01-25 | 1983-07-30 | Tokusen Kogyo Kk | Manufacture of bead ring |
| JPH05330321A (en) * | 1992-06-01 | 1993-12-14 | Bridgestone Corp | Bead core of pneumatic tire and manufacture thereof |
| JP2009012326A (en) * | 2007-07-05 | 2009-01-22 | Bridgestone Corp | Bead former and bead manufacturing method |
| JP2013129407A (en) * | 2011-12-22 | 2013-07-04 | Bridgestone Corp | Bead core and pneumatic tire |
| JP2014094712A (en) * | 2012-11-12 | 2014-05-22 | Sumitomo Rubber Ind Ltd | Bead wire, bead core, and pneumatic tire |
| CN107584787A (en) * | 2016-07-08 | 2018-01-16 | 住友橡胶工业株式会社 | Bead core formation forming machine |
| JP2021054023A (en) * | 2019-10-02 | 2021-04-08 | 住友ゴム工業株式会社 | Manufacturing apparatus of bead core |
-
2021
- 2021-05-24 CN CN202110567890.4A patent/CN113199911A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58128238A (en) * | 1982-01-25 | 1983-07-30 | Tokusen Kogyo Kk | Manufacture of bead ring |
| JPH05330321A (en) * | 1992-06-01 | 1993-12-14 | Bridgestone Corp | Bead core of pneumatic tire and manufacture thereof |
| JP2009012326A (en) * | 2007-07-05 | 2009-01-22 | Bridgestone Corp | Bead former and bead manufacturing method |
| JP2013129407A (en) * | 2011-12-22 | 2013-07-04 | Bridgestone Corp | Bead core and pneumatic tire |
| JP2014094712A (en) * | 2012-11-12 | 2014-05-22 | Sumitomo Rubber Ind Ltd | Bead wire, bead core, and pneumatic tire |
| CN107584787A (en) * | 2016-07-08 | 2018-01-16 | 住友橡胶工业株式会社 | Bead core formation forming machine |
| JP2021054023A (en) * | 2019-10-02 | 2021-04-08 | 住友ゴム工業株式会社 | Manufacturing apparatus of bead core |
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