CN204249743U - A kind of all-steel radial tyre of steel wire infantees composite members reinforced bead - Google Patents
A kind of all-steel radial tyre of steel wire infantees composite members reinforced bead Download PDFInfo
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- CN204249743U CN204249743U CN201420684330.2U CN201420684330U CN204249743U CN 204249743 U CN204249743 U CN 204249743U CN 201420684330 U CN201420684330 U CN 201420684330U CN 204249743 U CN204249743 U CN 204249743U
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Abstract
The utility model relates to the all-steel radial tyre with steel wire infantees composite members reinforced bead, and this tire comprises crown, tire shoulder, casingply, inside liner, bracing ply and tyre bead; Tyre bead comprises bead coil, triangle rubber and wear-resisting glue.Tyre body curtain cloth layer anti-package bead coil, is provided with the steel wire infantees composite members into U-shaped complete wrapped wire coil structures outside it.The inner side of steel wire infantees fits between carcass ply and inside liner, and inner side end points is a little less than the anti-package end points of carcass ply; The outside of steel wire infantees fits between carcass ply and wear-resisting glue, carries out encapsulate and interior laminating last layer film in the outside anti-package edge of steel wire infantees, and the outside anti-package end points of steel wire infantees is then higher than the anti-package end points of carcass ply.The utility model improves the transitionality between tyre bead and the sidewall of softness, effectively prevent stress from concentrating, enhance the anti-top load intensity of tyre bead, strengthen the durable wear resisting property of tyre bead, decrease the disease time of bead, reduce the potential safety hazard of tire in overload, regional road surface etc., improve Using Life of Tyre, and the easy economy of scheme is reliable.
Description
Technical field
The utility model relates to the manufacture field of all-steel radial tire, especially a kind of all-steel radial tyre and preparation method adjusting steel bead wire infantees structure.
Background technology
Radial-ply tyre came out from the forties in 20th century, and the performance of the excellence that the structure due to its uniqueness is brought, through the development of over half a century, tire is tending towards meridian gradually.Radial-ply tyre experienced by development that is very long and complications, is nowadays more and more tending towards flattening, inner tube free, high speed, environmental protection and functionalization.Along with the development of auto-industry, the performance requriements for tire is more and more higher, and the all-steel radial tyre with advantages such as good operation performance, the little fuel-economizing of rolling resistance and durable wear resisting property are good becomes the main force in tire industry.But in all-steel radial tyre driving process, tyre bead portion (rim of the mouth place) often breach, distortion etc. occurs, become the multiple position that tire produces sick time, research affects the performance and used life of tire.Thus, the structure design of tyre bead portion improves the important topic having become world's tire.
The body cord of radial-ply tyre radially arranges, and the carcass ply number of plies is few, and sidewall is soft, and tyre bead rigidity is not enough, and stressed large anti-load-bearing capacity is poor.Therefore, travel under the state of high-speed high-load, tyre bead often becomes in tyre element the position standing in the breach and be damaged.Therefore, tyre bead portion must be strengthened, but while reinforcement, must consider again how to make to have between the tyre bead of enhancing and the sidewall of softness the rigid transition that suitable, damages such as preventing stress from concentrating, cause tyre bead delamination, rupture or fracture.
The tyre industry of China is since the eighties in last century, and all-steel radial tyre obtains fast speed development, immediately following the paces of World Developed Countries, has very large production & marketing potentiality.Meanwhile, it is serious that I crosses the large still homogeneity of tire quantity, the requirement of the often actual use of out of reach.Along with China's expanding economy, transportation is also thereupon thriving, thus changes traditional communications and transportation pattern: from low tonnage, low speed to high tonnage, at a high speed; From short range to long distance or the development of extra long distance heavy-load automobile.
Existing full-steel radial ply steel wire infantees structure, often adopts and one-sidedly takes glue, can cause bonding between anti-package end points and body cord outside steel wire infantees not good like this: on the one hand, anti-package end points produces stress and concentrates, and causes end points position outwards to be ftractureed; On the other hand, because bonding is not good, the wear-resisting glue end points at position, sidewall can inwardly bend, and produces sick time.Simultaneously the anti-package end points of steel wire infantees and carcass ply often also can from very close to, easy stress is concentrated, breaking of the excessive thus initiation rim of the mouth place of heat-dissipating.
Chinese utility model patent (application number: structure is strengthened in the rim of the mouth 200820149422.5) disclosing a kind of all-steel radial tire, its feature is that casingply anti-package end points is higher than the outer end points of rim of the mouth steel wire infantees; Be provided with end-blocking adhesive tape above casingply anti-package end points and the outer end points of rim of the mouth steel wire infantees, end-blocking adhesive tape is completely closed for end points outside casingply anti-package end points and rim of the mouth steel wire infantees.This reinforcement mode strengthens emphatically fragile position, rim of the mouth, but on the one hand because steel wire infantees outer end points in rim of the mouth is lower than casingply anti-package end points, makes ladle for the decreased effectiveness of the reinforcement of tyre bead; On the other hand, carry out end points by end-blocking adhesive tape and close, there is the problems such as location is difficult, construction is difficult in process of production, higher to process specifications.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides the monolateral encapsulate of a kind of steel wire infantees and film of fitting is used for strengthening the full-steel radial ply tubeless tires of steel ring.
To achieve these goals, overcome the deficiencies in the prior art, the utility model have employed following technical scheme:
An all-steel radial tyre for steel wire infantees reinforced bead, its structure comprises crown, tire shoulder, casingply, inside liner, bracing ply and tyre bead; Tyre bead comprises bead coil, triangle rubber and wear-resisting glue; Steel wire infantees composite members comprises steel wire infantees, edge-wrapping adhesive and film.Described casingply anti-package bead coil, is characterized in that: the inner side of steel wire infantees fits between casingply and inside liner, and inner side end points is lower than the anti-package end points of casingply; The outside of steel wire infantees fits between casingply and wear-resisting glue, encapsulate is carried out and fit last layer film and edge-wrapping adhesive and film homonymy in the outside anti-package edge of steel wire infantees, the outside anti-package end points of steel wire infantees is then higher than the anti-package end points of carcass ply, bead coil walked around by steel wire infantees, and cross section is U-shaped.
Preferably, the outer point of steel wire infantees and the differential of the anti-package end points of casingply are 10-15mm, and the anti-package end points of inner side end points and casingply is differential is 0-5mm.
Preferably, the wirecord fabric width of steel wire infantees is 100-150mm, and thickness is 1-2mm.
Preferably, the edge-wrapping adhesive width of the outside anti-package edge of steel wire infantees is 20-40mm, and thickness is 0.5-1.5mm; The width of laminating film is 40-60mm, and thickness is 1-3mm, and wherein the distance of the outer ledge distance steel wire infantees of film is 10-30mm.
Preferably, the steel cord of steel wire infantees adopts high elongation rate steel wire, and its breaking force is 1000-1500 N.
Preferably, steel wire infantees and steel wire are by parallel steel wire and rubber composition, and steel wire and tire circumference have 30-50 ° of angle.
A preparation method for the all-steel radial tyre of steel wire infantees composite members reinforced bead, mainly comprises the following steps:
1) previously prepared steel wire infantees composite members: bias cutter is with 30-50 ° of angle tapered cut ladle cord; Ladle cord and edge-wrapping adhesive are combined into one through applicator and carry out bound edge; In the same side of encapsulate through applicator compound last layer film again;
2), when tire embryo is shaping, by mechanical device, two steel wire infantees composite members are passed on assembly drum;
3) to fit on inside liner two steel wire infantees composite members, and the position of the film that ensures to fit in composite members outwardly, and the angle wire of two steel wire infantees is in " eight " font;
4) symmetrical laminating carcass ply again, carries out all the other forming steps;
5) after shaping, tyre vulcanization is checked, packed.
The beneficial effects of the utility model are as follows:
First, the outer end points of steel wire infantees, higher than casingply anti-package end points, can implement further overall reinforcement to tyre bead portion.Secondly, laminating film can increase the cohesive force between carcass and sidewall on the one hand, prevents it from mutually departing from; On the other hand, it can farthest reduce because bonding the not good and pleating phenomenon of wear-resisting glue end points that is that cause outside steel wire infantees between anti-package end points and body cord, and technique greatly reduces the incidence at sick time of position, sidewall.Meanwhile, the stress that monolateral encapsulate then can alleviate steel wire infantees distal portion is well concentrated, dispersing shear stress, and prevention rim of the mouth cracking, improves the safety performance of tire.In addition, transition film symmetrical closed anti-package end points centered by ladle anti-package end points on laminating film and sidewall, causes the shearing stress of anti-package end points to be disperseed further, makes it not easily outwards split.Strengthen anti-load and the endurance quality of tyre bead this technology effective, enhance the rigid transition between carcass and sidewall, improve the safe application performance of tire, reduce and pay compensation for rate, and economy and facility, for company adds benefit.
The utility model is by the structural development for the steel wire infantees i.e. design of a steel wire infantees composite members, improve the transitionality between tyre bead and the sidewall of softness, effectively prevent stress from concentrating, enhance the anti-top load intensity of tyre bead, strengthen the durable wear resisting property of tyre bead, decrease the disease time of bead, reduce the potential safety hazard of tire in overload, regional road surface etc., improve Using Life of Tyre, and the easy economy of scheme is reliable.
The utility model improves steel wire infantees structure, after being tested by trial production and bead durability, compare with the observed data of normal tire, strengthen the endurance quality of tyre bead this technology effective, effectively improve 100-245%, as shown in table 1.Enhance the rigid transition between carcass and sidewall, effectively reduce oil consumption simultaneously.Technical solutions of the utility model are easy to implement in technique, workable, have practicality.
Table 1: bead durability can be tested
Accompanying drawing explanation
Fig. 1 is the bead structure schematic diagram of the utility model radial-ply tyre;
Fig. 2 is the steel wire infantees half-finished parts figure of the utility model radial-ply tyre.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, to according to its detailed description of the invention of the utility model patent, structure, feature and effect thereof, be described in detail as follows.
An all-steel radial tyre for steel wire infantees reinforced bead, its structure comprises crown, tire shoulder, casingply (1), inside liner (2), bracing ply, steel wire infantees composite members and tyre bead.As shown in Figure 1, casingply (1) anti-package bead coil (4), the inner side of steel wire infantees (6) fits between casingply (1) and inside liner (2), and inner side end points is a little less than the anti-package end points of casingply (1); The outside of steel wire infantees (6) fits between casingply (1) and wear-resisting glue (5), carry out encapsulate and fit last layer film and edge-wrapping adhesive (7) and film (8) homonymy in the outside anti-package edge of steel wire infantees (6), the outside anti-package end points of steel wire infantees is then higher than the anti-package end points of carcass ply.Bead coil cross section (4) walked around by steel wire infantees (6), and cross section is U-shaped.The outer point of steel wire infantees (6) and the differential of the anti-package end points of casingply are 10-15mm, and the anti-package end points of inner side end points and casingply (1) is differential is 0-5mm.The wirecord fabric of steel wire infantees (6) adopts high elongation rate steel wire, and its breaking force is 1000-1500 N, and width is 100-150mm, and thickness is 1-3mm, and the width of the edge-wrapping adhesive of outside anti-package edge is 20-40mm, and thickness is 0.5-1.5mm; The width of laminating film is 40-60mm, and thickness is 1-3mm.Wherein the distance of outer ledge distance steel wire infantees (6) of film (8) is 10-30mm.Steel wire infantees is made up of parallel steel wire and rubber, and steel wire and tire circumference have 30-50 ° of angle.
Manufacture and adopt mainly comprising the following steps without interior radial-ply tyre method of the design's bead structure:
1) previously prepared steel wire infantees composite members: by above-mentioned urban d evelopment, bias cutter is with 30-50 ° of angle tapered cut ladle cord; Ladle cord and edge-wrapping adhesive are combined into one through applicator and carry out bound edge; In the same side of encapsulate through applicator compound last layer film again;
2), when tire embryo is shaping, by mechanical device, two steel wire infantees composite members are passed on assembly drum;
3) to fit on inside liner two steel wire infantees composite members, and the position of the film that ensures to fit in composite members outwardly, and the angle wire of two steel wire infantees is in " eight " font;
4) symmetrical laminating carcass ply again, carries out all the other forming steps;
5) after shaping, tyre vulcanization is checked, packed.
Be more than the better form of implementation of the utility model patent, be only example effect, do not limited the range of use of the utility model patent.Do not depart from the utility model patent spirit distortion, amendment all fall in the claim limited range of the utility model patent.
Claims (6)
1., with an all-steel radial tyre for steel wire infantees composite members reinforced bead, its structure comprises crown, tire shoulder, casingply (1), inside liner (2), triangle rubber (3), bracing ply, steel wire infantees composite members and tyre bead; Tyre bead comprises bead coil (4) and wear-resisting glue (5); Steel wire infantees composite members comprises steel wire infantees (6), edge-wrapping adhesive (7) and film, described casingply (1) anti-package bead coil (4), it is characterized in that: the inner side of steel wire infantees (6) fits between casingply (1) and inside liner (2), the inner side end points of steel wire infantees (6) is a little less than the anti-package end points of casingply (1); The outside of steel wire infantees (6) fits between casingply (1) and wear-resisting glue (5), encapsulate is carried out and fit one deck film and edge-wrapping adhesive (7) and film (8) homonymy in steel wire infantees (6) outside anti-package edge, steel wire infantees (6) outside anti-package end points higher than carcass ply anti-package end points and walk around bead coil (4), cross section is U-shaped.
2. all-steel radial tyre according to claim 1, it is characterized in that: the outer point of steel wire infantees (6) and the differential of the anti-package end points of casingply are 10-15mm, and the anti-package end points of inner side end points and casingply (1) is differential is 0-5mm.
3. all-steel radial tyre according to claim 1, is characterized in that: the wirecord fabric width of steel wire infantees (6) is 100-150mm, and thickness is 1-2mm.
4. all-steel radial tyre according to claim 1, is characterized in that: the width of the edge-wrapping adhesive of the outside anti-package edge of steel wire infantees (6) is 20-40mm, and thickness is 0.5-1.5mm; The width of laminating film (8) is 40-60mm, and thickness is 1-3mm; Wherein the outer ledge of film (8) is 10-30mm to the distance of steel wire infantees (6).
5. all-steel radial tyre according to claim 1, is characterized in that: the steel cord of steel wire infantees (6) adopts high elongation rate steel wire, and its breaking force is 1000-1500N.
6. all-steel radial tyre according to claim 1, is characterized in that: steel wire infantees is made up of parallel steel wire and rubber, and steel wire and tire circumference have 30-50 ° of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684330.2U CN204249743U (en) | 2014-11-15 | 2014-11-15 | A kind of all-steel radial tyre of steel wire infantees composite members reinforced bead |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420684330.2U CN204249743U (en) | 2014-11-15 | 2014-11-15 | A kind of all-steel radial tyre of steel wire infantees composite members reinforced bead |
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| CN204249743U true CN204249743U (en) | 2015-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442217A (en) * | 2014-11-15 | 2015-03-25 | 杭州朝阳橡胶有限公司 | All-steel radial tire adopting steel wire cloth-wrapped composite part for reinforcing tire bead and preparation method of all-steel radial tire |
| CN109649087A (en) * | 2019-01-18 | 2019-04-19 | 宁夏神州轮胎有限公司 | A kind of half binding structure of all steel tire heel fabric |
-
2014
- 2014-11-15 CN CN201420684330.2U patent/CN204249743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442217A (en) * | 2014-11-15 | 2015-03-25 | 杭州朝阳橡胶有限公司 | All-steel radial tire adopting steel wire cloth-wrapped composite part for reinforcing tire bead and preparation method of all-steel radial tire |
| CN104442217B (en) * | 2014-11-15 | 2018-08-14 | 杭州朝阳橡胶有限公司 | A kind of preparation method of all-steel radial tyre with steel wire infantees composite members reinforced bead |
| CN109649087A (en) * | 2019-01-18 | 2019-04-19 | 宁夏神州轮胎有限公司 | A kind of half binding structure of all steel tire heel fabric |
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