CN105437870A - Inflation industrial radial tire - Google Patents
Inflation industrial radial tire Download PDFInfo
- Publication number
- CN105437870A CN105437870A CN201510967618.XA CN201510967618A CN105437870A CN 105437870 A CN105437870 A CN 105437870A CN 201510967618 A CN201510967618 A CN 201510967618A CN 105437870 A CN105437870 A CN 105437870A
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- Prior art keywords
- tire
- radial
- ply
- tyre
- industrial
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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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
-
- 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
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention relates to an inflation industrial radial tire and belongs to the field of tires. The inflation industrial radial tire is provided with a tire body and is characterized in that the tire body comprises a layer of tire body curtain cloth; the tire body curtain cloth comprises a main body part extending between a pair of steel wire rings and passing through a tire surface and a tire side and a winding part winding from the peripheral inside to the outside across the steel wire rings; a reinforced curtain cloth layer is arranged on the peripheral inner side of the layer of tire body curtain cloth and comprises two reinforced layers provided with curtain lines intersecting obliquely relative to the radial direction of the tire; the winding part of the tire body curtain cloth extends to the ends of the reinforced layers near a tire horizontal shaft in the radial direction of the tire and is located in the area of a tire ring.
Description
Technical field
The present invention relates to tire art, is the industrial radial-ply tyre of a kind of inflation in detail.
Background technology
As everyone knows, now along with the development of high-speed rail bridge construction and shipping industry, have many large-scale components to need transport, transportation means is many position of wheels major industry vehicle, and large-scale component requires high to vehicle stability in transportation engineering, can not go out the larger swing of item.But the common radial-ply tyre of industrial vehicle assembling is large due to the soft deflection in sidewall, easily causes vehicle to swing.Simultaneously because major industry vehicle capacity is large and have height regulatory function, various hydraulic support is complicated, tire quantity is many, tire installing space is limited, alteration of form is little under a load to require tire, and tyre deflection is large, must cause the wide increase of loaded section, likely vehicle accessory is formed and interfere, cause fault.The measure of existing reduction deflection increases inflation pressure, and air pressure increase causes tire safety coefficient to reduce.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the invention is the deflection under the industrial radial-ply tyre load of reduction inflation, industrial radial-ply tyre sidewall rigidity can be improved.
The technical solution adopted for the present invention to solve the technical problems is: the industrial radial-ply tyre of a kind of inflation, be provided with carcass, it is characterized in that described carcass comprises one deck carcass ply, carcass ply is included in the turned up portion that the base portion that extends through tyre surface and sidewall between a pair bead coil and an opposing connection bead coil are rolled from circumferential interior, reinforcement carcass plies is arranged in one deck carcass ply week to the inside, and comprise the strengthening course of the two-layer cord with intersecting relative to the inclined at tire, carcass ply turned up portion extends to tire horizontal axis every layer of strengthening course end points along tire radial direction and is positioned at bead area.
The present invention also realizes by following measure: strengthening course comprises the two-layer organic fiber cord intersected with the angular slope within the scope of 30 to 60 degree relative to the radial direction of described tire.
Reinforcement carcass plies is arranged in described carcass ply axially inner side, and is extended to the tyre bead of opposite side by sidewall, tyre surface from side tyre bead.
Carcass ply becomes 0 to 10 to spend the casingply of locating at angle with tire radial direction, and described carcass ply is wirecord fabric.
Carcass ply turned up portion extends to tire horizontal axis along tire radial direction, and it is highly that 0.85H ~ 1.10H, described H refer to the distance of section horizontal shaft to tyre bead baseline.
The radial end points of reinforcement carcass plies offsets from each other along the radial direction of described tire, and the radial missing 5mm ~ 20mm between the described radial end points measured along described strengthening course.
The strengthening course 7A radial inner end point height L1 in outside gets 0.2H ~ 0.4H, described H refers to the distance of section horizontal shaft to tyre bead baseline, the strengthening course 7B radial inner end point height L2 of inner side gets 0.2H ~ 0.45H, described H refers to the distance of section horizontal shaft to tyre bead baseline, and reinforcement carcass plies 7A radial inner end point height is less than inner side strengthening course 7B radial inner end point height.
The steel cord density of wirecord fabric is 40 ~ 60/10 centimetres, and fracture strength of wire is 2000N ~ 3000N/ root.
Organic fiber cord linear density is 70 ~ 100/10 centimetres, and organic fiber cord disruption characteristic is 300N ~ 700N/ root.
The invention has the beneficial effects as follows, reduce the deflection under the industrial radial-ply tyre load of inflation, industrial radial-ply tyre sidewall rigidity can be improved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Diagram 1 is cutaway view of the present invention.
Diagram 2 is reinforcement carcass plies cord severing figure.
Diagram 3 is partial side views of reinforcement carcass plies.
Diagram 4 is reinforcement carcass plies block diagrams.
Diagram 5 is tyre side views under load.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
In FIG, according to the air-inflation tyre of the present invention's industrial tire, it comprises: a circumferential hoop is around the tyre surface 1 of taking turns crown part; Pair of tyres sidewall 3; There is for a pair the bead part 4 of bead coil 5 wherein; One carcass 6, described carcass 6 comprises one deck casingply 6A, two-layer be arranged in one deck carcass ply week internally reinforcement carcass plies 7(comprise inner side strengthening course 7A, inner side strengthening course 7B).
Carcass 6 only comprises a carcass plies 6A, its one-tenth 0 to 10 radial relative to tire spends angle (becoming 80 to an angle of 90 degrees relative to tire equator C) radial arrangement, body cord is steel cord, and steel wire diameter is 1.2mm ~ 1.8mm, preferred 1.6mm ~ 1.8mm, wirecord fabric calendering thickness is 2.0mm ~ 3.2mm, preferred 2.4mm ~ 3.0mm, steel cord density is 40 ~ 60/10 centimetres, preferably 50 ~ 60/10 centimetres, fracture strength of wire is 2000N ~ 3000N/ root, preferred 2000N ~ 3000N/ root.
Casingply 6A, comprising: extend through between bead part 4 sidewall 3, tire shoulder 2 and tyre surface 1 main body framework 6a and walk around the crimping portion 6b of bead coil 5 along tire radial direction;
Each turned up portion 6b extends near tire section horizontal shaft SL, turned up portion end points 6be height 0.85H ~ 1.10H, be preferably 0.9H ~ 1.05H, described H refers to the distance of section horizontal shaft SL to tyre bead baseline, such casingply crimping portion 6b can actv. reinforced bead to the rigidity of side wall portion, make tire better at the support performance of load condition lower sidewall.
Each bead part 4 is provided with and is extended radially outwardly and the rubber triangular rubber core 8 of convergent by bead coil 5 between base portion 6a and turned up portion 6b.Triangular rubber core 8 is the lower glue core 8A of 70 ~ 85 degree by JIS-A hardness and is 55 ~ 70 degree by JIS-A hardness gluing core 8B is composited.Arranged by this, the bending rigidity that can improve bead part 4 is excessive to sidewall gradually.
Reinforcement carcass plies 7 is arranged in carcass ply 6 weeks to the inside, is extended to the tyre bead of opposite side from side tyre bead by sidewall, tyre surface.Reinforcement carcass plies 7 is the organic fiber cords intersected with the angular slope within the scope of 30 to 60 degree relative to the radial direction of tire.
In Fig. 3 partial side view, reinforcement carcass plies cloth (7A, 7B) is β (be β in crown and tire axle angulation) at side wall portion and tire radial direction angulation, reinforcement curtain cloth cutting angle α (Fig. 2), meets formula simultaneously: Sin β=(Di* δ) * sin α/d.
Wherein: Di-reinforcement plies cords at a point diameter
D-reinforcement bandage diameter
δ-cord supposition is upheld
Cord supposition extension is generally 1.01 ~ 1.04
Diagram 4 intuitively can find out the array structure of reinforcement carcass plies in tire construction.
Reinforcement carcass plies 7 cord, preferably has proportion little and have the organic fiber cord of good adhesive property with rubber, comprising: nylon, polyester, rayon, aramid fiber, etc. cord, preferred nylon aramid fiber blending cord.
Reinforcement carcass plies (7A, 7B) radial end points offsets from each other along the radial direction of described tire, and the radial missing 5mm ~ 20mm between end points, this measure can prevent end points place stress from concentrating, and improves durability.
The radial termination height L1 of reinforcement carcass plies 7A, described L1 refers to that reinforcement carcass plies 7A end points 7Ae is to the distance of tyre bead datum line BL, gets 0.2H ~ 0.4H.
The radial termination height L2 of reinforcement carcass plies 7B, described L2 refers to that reinforcement carcass plies 7B end points 7Be is to the distance of tyre bead datum line BL, gets 0.2H ~ 0.45H, and L1<L2.
Reinforcement carcass plies (7A, 7B) rolls attached glue thickness, calendering thickness: fiber cord diameter=1.5:1 ~ 2.5:1, and fiber cord density is 70 ~ 100/10 centimetres, preferably 74 ~ 88/10 centimetres,
Organic fiber cord disruption characteristic is 300N ~ 700N/ root.
Reinforcement carcass plies cloth (7A, 7B) will ensure enough calendering thickness, because it is arranged in casingply 6A week to the inside, enough attached glue can reduce steel cord and fiber cord in use shearing stress, extends Using Life of Tyre.
Fig. 5 can find out, deflection h1 refers to that stationary tires is in the vertical distance of normal load Shaft center to supporting plane and the difference of air-inflation tyre radius.
Formula: h1=D/2-r1
Wherein: D-air-inflation tyre overall diameter
R1-static loaded radius
Although above-described embodiment is described based on industrial radial-ply tyre, is appreciated that and the present invention is not limited thereto embodiment and the radial-ply tyre that can be applied to other type.
Contrast test:
In order to confirm effect of the present invention, application the present invention, according to table 1 project (reinforcement carcass plies adopts aramid fiber 1680dtex/2+ nylon 1400dtex/1 blending cord), manufactures 6 groups and implements tire, carry out D/W test.This comparative tire adopts 355/65R15NHS specification tyre.
D/W is tested.
Assembling standard rim 9.75, inflation pressure 1000kpa, loads load 6900kg.Test results is with one by exponential representation, and comparative tire prior art production performance is benchmark 100.Example value
Less, more favourable.
Table 1
| Tire | Carcass digs height/mm | Reinforcement carcass plies angle beta | Deflection |
| Comparative tire | 85 | —— | 100 3 --> |
| Implement tire 1 | 95 | 40 | 93 |
| Implement tire 2 | 105 | 40 | 92 |
| Implement tire 3 | 120 | 40 | 87 |
| Implement tire 4 | 120 | 35 | 90 |
| Implement tire 5 | 120 | 45 | 84 |
| Implement tire 6 | 120 | 50 | 86 |
By table 1, can find out that application enforcement tyre deflection of the present invention has reduction to a certain degree, the reduction of deflection has positive effect in actual use.
Claims (9)
1. the industrial radial-ply tyre of inflation, be provided with carcass, it is characterized in that: described carcass comprises one deck carcass ply, carcass ply is included in the turned up portion that the base portion that extends through tyre surface and sidewall between a pair bead coil and an opposing connection bead coil are rolled from circumferential interior, reinforcement carcass plies is arranged in one deck carcass ply week to the inside, and comprise the strengthening course of the two-layer cord with intersecting relative to the inclined at tire, carcass ply turned up portion extends to tire horizontal axis every layer of strengthening course end points along tire radial direction and is positioned at bead area.
2. inflate industrial radial-ply tyre according to claim 1, it is characterized in that described strengthening course comprises the two-layer organic fiber cord intersected with the angular slope within the scope of 30 to 60 degree relative to the radial direction of described tire.
3. inflate industrial radial-ply tyre according to claim 1, it is characterized in that described reinforcement carcass plies is arranged in described carcass ply axially inner side, and extended to the tyre bead of opposite side from side tyre bead by sidewall, tyre surface.
4. inflate industrial radial-ply tyre according to claim 1, it is characterized in that described carcass ply becomes 0 to 10 to spend the casingply of locating at angle with tire radial direction, and described carcass ply is wirecord fabric.
5. inflate industrial radial-ply tyre according to claim 1, it is characterized in that described carcass ply turned up portion extends to tire horizontal axis along tire radial direction, it is highly that 0.85H ~ 1.10H, described H refer to the distance of section horizontal shaft to tyre bead baseline.
6. inflate industrial radial-ply tyre according to claim 1, it is characterized in that the radial end points of described reinforcement carcass plies offsets from each other along the radial direction of described tire, and the radial missing 5mm ~ 20mm between the described radial end points measured along described strengthening course.
7. inflate industrial radial-ply tyre according to claim 1, it is characterized in that the strengthening course radial inner end point height L1 in described outside gets 0.2H ~ 0.4H, described H refers to the distance of section horizontal shaft to tyre bead baseline, the strengthening course radial inner end point height L2 of inner side gets 0.2H ~ 0.45H, described H refers to the distance of section horizontal shaft to tyre bead baseline, and the strengthening course radial inner end point height in outside is less than inner side strengthening course radial inner end point height.
8. inflate industrial radial-ply tyre according to claim 4, it is characterized in that the steel cord density of described wirecord fabric is 40 ~ 60/10 centimetres, fracture strength of wire is 2000N ~ 3000N/ root.
9. inflate industrial radial-ply tyre according to claim 2, it is characterized in that described organic fiber cord linear density is 70 ~ 100/10 centimetres, organic fiber cord disruption characteristic is 300N ~ 700N/ root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967618.XA CN105437870A (en) | 2015-12-22 | 2015-12-22 | Inflation industrial radial tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967618.XA CN105437870A (en) | 2015-12-22 | 2015-12-22 | Inflation industrial radial tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105437870A true CN105437870A (en) | 2016-03-30 |
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ID=55548695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967618.XA Pending CN105437870A (en) | 2015-12-22 | 2015-12-22 | Inflation industrial radial tire |
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| Country | Link |
|---|---|
| CN (1) | CN105437870A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524925A (en) * | 2019-09-04 | 2019-12-03 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of forming method of diagonal aircraft tire |
| JP2020029104A (en) * | 2018-08-20 | 2020-02-27 | 住友ゴム工業株式会社 | Pneumatic tire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08244403A (en) * | 1995-03-09 | 1996-09-24 | Bridgestone Corp | Pneumatic bias tire for compact vehicle for high-speed run |
| JP2009214628A (en) * | 2008-03-07 | 2009-09-24 | Yokohama Rubber Co Ltd:The | Pneumatic tire and method for manufacturing the same |
| CN103619612A (en) * | 2011-06-20 | 2014-03-05 | 株式会社普利司通 | Pneumatic tire |
| CN205255905U (en) * | 2015-12-22 | 2016-05-25 | 三角轮胎股份有限公司 | Aerify industry radial tire |
-
2015
- 2015-12-22 CN CN201510967618.XA patent/CN105437870A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08244403A (en) * | 1995-03-09 | 1996-09-24 | Bridgestone Corp | Pneumatic bias tire for compact vehicle for high-speed run |
| JP2009214628A (en) * | 2008-03-07 | 2009-09-24 | Yokohama Rubber Co Ltd:The | Pneumatic tire and method for manufacturing the same |
| CN103619612A (en) * | 2011-06-20 | 2014-03-05 | 株式会社普利司通 | Pneumatic tire |
| CN205255905U (en) * | 2015-12-22 | 2016-05-25 | 三角轮胎股份有限公司 | Aerify industry radial tire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020029104A (en) * | 2018-08-20 | 2020-02-27 | 住友ゴム工業株式会社 | Pneumatic tire |
| JP7139776B2 (en) | 2018-08-20 | 2022-09-21 | 住友ゴム工業株式会社 | pneumatic tire |
| CN110524925A (en) * | 2019-09-04 | 2019-12-03 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of forming method of diagonal aircraft tire |
| CN110524925B (en) * | 2019-09-04 | 2022-03-18 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Method for forming oblique aviation tire |
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Application publication date: 20160330 |
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