CN105196799A - Tire sidewall protection method and structure - Google Patents
Tire sidewall protection method and structure Download PDFInfo
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- CN105196799A CN105196799A CN201510206796.0A CN201510206796A CN105196799A CN 105196799 A CN105196799 A CN 105196799A CN 201510206796 A CN201510206796 A CN 201510206796A CN 105196799 A CN105196799 A CN 105196799A
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Abstract
The invention discloses a tire sidewall protection method and structure. According to the method, two protection layers (5) are respectively formed on two tire sidewalls during tire production; each protection layer (5) comprises 4-8 ring-shaped protection rubber strips of different diameters, and is used for strengthening protection of the corresponding tire sidewall, so that the damage of stones clamped between two tires or positioned on the edges of ruts to the tire sidewalls can be avoided or reduced when the tires are in use. In addition to the protection layers, the technical problem that the internal tire stress is non-uniform can be effectively solved. Through adoption of the method and structure provided by the invention, the tire sidewall structure is reasonable and low in damage possibility; besides, the tires can be more stable in performance, relatively long in service life and relatively low in use cost; the method and structure provided by the invention are particularly suitable for the production and use of truck tires or dumper tires.
Description
Technical field
The present invention relates to a kind of means of defence and structure of tire sidewall, belong to tire manufacture technology field.
Background technology
In recent years along with the exploitation of mineral resources, the continuing to increase of capital construction dynamics, mine, building site use lorry or dumping car also to get more and more as short distance, the exploitation of particularly new wide dumper, make transport usefulness obtain large increase, be therefore widely used in ore deposit in the open.Because the road surface in mine, building site is generally poor, particularly some hard ore deposits and have the building site of stone, pavement conditions is more severe, and tire loss is with this understanding very large, pierces through, pushes up quick-fried situation and often occur.In investigation, find had the tire of about 70% to be because upper sidewall is scratched or stabs existing changing in the tire of repairing, and hurt tyre framework material, thus cause tire can not continue to use, need to repair.Due to the frequent retread a tyre of needs, this not only have impact on the service efficiency of vehicle, also improves and uses tire cost; In addition, further investigation reveals that, cause the major cause of these situations of damaged tyres to be that between tire twins, horsestone head causes sidewall to damage or hung caused by wound by the stone in roadside.Therefore, the sidewall structure of existing tire is still reasonable not.
Summary of the invention
The object of the invention is: provide a kind of rational in infrastructure, tire sidewall not easily damaged, service life is longer, use cost is lower and be suitable for means of defence and the structure of the tire sidewall that lorry or dumping car use, to overcome the deficiencies in the prior art.
The present invention is achieved in that
The means of defence of a kind of tire sidewall of the present invention is, when making tire, the face, two sidewalls of tire is produced protective layer respectively that be made up of the annular arrangement protection adhesive tape that 4 ~ 8 diameters are different, the sidewall protection of reinforced tire is carried out by this protective layer, thus avoid or reduce tire in use, because the stone on horsestone head or rut limit between two tires is to the damage on sidewall.
The material of the protective layer that the above-mentioned annular arrangement protection adhesive tape different by 4 ~ 8 diameters forms is identical with the material of outer tire layer.
Fail-safe structure according to of the present invention a kind of tire sidewall of said method structure is, this structure comprises by matrix skeleton layer, cushion layer, outer tire layer and tire anti-slip external tooth group all-in-one-piece tire, and cushion layer is arranged on matrix skeleton layer, outer tire layer wraps up on the buffer layer, tire anti-slip external tooth is evenly distributed on the excircle of outer tire layer; The face, two sidewalls of the outer tire layer of tire is respectively equipped with the protective layer be made up of the annular arrangement protection adhesive tape that 4 ~ 8 diameters are different, and protective layer is arranged on the position of more than tire protector section horizontal shaft, on protective layer, between every two annular shield adhesive tape, be provided with the transition rings connected in star of circular-arc bottom face; On the matrix skeleton layer relative to protective layer basal surface position place, be respectively equipped with enhancing cushion layer at the two ends of cushion layer, enhancing cushion layer and cushion layer connect as one.
The lower edge of above-mentioned protective layer is tire protector section horizontal shaft to 0.05 ~ 0.20 times of distance of tyre shoulders end points to the distance of tire protector section horizontal shaft, and the upper edge of protective layer is tire protector section horizontal shaft to 0.3 ~ 0.45 times of distance of tyre shoulders end points to the distance of tyre shoulders end points.
The thickness of above-mentioned 4 ~ 8 the annular arrangement protection adhesive tapes be arranged on protective layer is that the thickness of the annular arrangement protection adhesive tape being in protective layer medium position is the thickest, and the thickness of other annular arrangement protection adhesive tape on medium position annular arrangement protection adhesive tape both sides is thinning gradually.
When the number of the above-mentioned annular arrangement protection adhesive tape be arranged on protective layer is even number, the number ratio being arranged on the annular arrangement protection adhesive tape of the annular arrangement protection adhesive tape upper position of medium position is arranged on many 1 of the quantity of the annular arrangement protection adhesive tape of position, its underpart; When the number being arranged on the annular arrangement protection adhesive tape on protective layer is odd number, the quantity being arranged on the annular arrangement protection adhesive tape on the annular arrangement protection adhesive tape both sides of medium position is identical.
The above-mentioned thickness being in the annular arrangement protection adhesive tape of protective layer medium position is 10 ~ 30mm, and the thickness of other annular arrangement protection adhesive tape on the annular arrangement protection adhesive tape both sides of its medium position is thinning gradually, the thickness difference of every two adjacent cylindrical protection adhesive tapes is 1 ~ 5mm.
The above-mentioned width being in the annular arrangement protection adhesive tape of protective layer medium position is 8 ~ 25mm, and the width of other annular arrangement protection adhesive tape on the annular arrangement protection adhesive tape both sides of its medium position reduces gradually, the width differential of every two adjacent cylindrical protection adhesive tapes is 0.1 ~ 0.15 times of the annular arrangement protection adhesive tape width of medium position.
Described tire protector section horizontal shaft to be less than on the cross section of tire central axis horizontal throw between the widest inwall place of matrix skeleton layer to the distance of tire centerline axis and to be wired to the distance of tire centerline axis, and tire protector section horizontal shaft is parallel with horizontal throw line between the widest inwall place; And tire protector section horizontal shaft is greater than the inner radii of tire to the distance of tire centerline axis.
Above-mentioned tire is the tire of lorry or the dumping car that mine, building site use.
Owing to have employed technique scheme, the present invention strengthens the protection on sidewall by said method and structure, thus the damage to sidewall such as stone effectively avoid or reduced due to horsestone head, rut limit between two tires, substantially increase out car efficiency and reduce and use tire cost.The present invention is by increasing the enhancing cushion layer that connects as one with cushion layer and by along the circumferential direction not increasing 4-8 bar thickness not etc. but the technological means such as the protective layer that forms of the annular arrangement protection adhesive tape of regular distribution in tire upper sidewall certain limit, and the groove of proper width is provided with as transition between every two protection adhesive tapes, to improve the pliability on sidewall, effectively prevent due to the too thick distortion that can affect sidewall herein, thus cause inside tires distribution of stress uneven, cause the problem of damaged tyres to occur.Therefore, the present invention, while adding protective layer, efficiently solves again the technical barrier of inside tires distribution of stress inequality.So, the present invention compared with prior art, the present invention not only has rational in infrastructure, tire sidewall not easily impaired advantage, and the present invention also has and can make the advantages such as tyre performance is more stable, service life is longer, use cost is lower, the making that the present invention is particularly suitable for lorry or dumping car tire uses.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of tire of the present invention;
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is the K portion partial enlargement structural representation of Fig. 2.
Description of reference numerals: 1-matrix skeleton layer, 2-cushion layer, 2.1-strengthens cushion layer, 3-outer tire layer, 4-tire anti-slip external tooth, 5-protective layer, 5.1-annular arrangement protection adhesive tape, 5.2-transition rings connected in star, Q-tire protector section horizontal shaft, J-tyre shoulders end points, H-tire protector section horizontal shaft is to the distance of tyre shoulders end points, h1-is in the thickness of the annular arrangement protection adhesive tape of protective layer medium position, w1-is in the width of the annular arrangement protection adhesive tape of protective layer medium position, O-tire centerline axis, d-tire protector section horizontal shaft is to the distance of tire centerline axis, horizontal throw line between the widest inwall place of matrix skeleton layer on the cross section that q-crosses tire central axis, between the widest inwall place of D-, horizontal throw is wired to the distance of tire centerline axis, the inner radii of R-tire.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is done further specifically.
Embodiments of the invention: the means of defence of a kind of tire sidewall of the present invention improves on the basis of existing making tire, when namely making tire on the basis of the making tire technique of existing routine, the face, two sidewalls of tire is produced protective layer 5 respectively that be made up of the annular arrangement protection adhesive tape that 4 ~ 8 diameters are different, the sidewall protection of reinforced tire is carried out by this protective layer 5, thus avoid or reduce tire in use, because the stone on horsestone head or rut limit between two tires is to the damage on sidewall; The material of the protective layer 5 that the described annular arrangement protection adhesive tape different by 4 ~ 8 diameters forms is identical with the material of outer tire layer 3.
During making, directly Tire aspect mould of the present invention can be engraved on Outer Tyre mould by traditional technique, directly sulfide with former sidewall rubber, simple and reliable process, its protection adhesive tape can with common sidewall rubber, and also workability can better sizing material or other material be easily bonded together with former sidewall (as polyurethane, rubble thermoplastics blend, being covered with the various tire fibre framework materials etc. of rubber layer); The present invention adopts and widens cushion layer width; make its end points close to the position of next protection adhesive tape, or add the various framework material of the tire being covered with rubber more herein, as nylon cord, polyester cord, aromatic polyamide cord etc.; to strengthen intensity herein, protection carrying carcass is not damaged.
According to the of the present invention a kind of fail-safe structure of tire sidewall that said method builds, as shown in FIG. 1 to 3, tire of the present invention is the tire on lorry or dumping car that mine, building site use; The fail-safe structure of tire sidewall of the present invention comprises by matrix skeleton layer 1, cushion layer 2, outer tire layer 3 and tire anti-slip external tooth 4 groups of all-in-one-piece tires, cushion layer 2 is arranged on matrix skeleton layer 1, outer tire layer 3 wraps up on the buffer layer 2, and tire anti-slip external tooth 4 is evenly distributed on the excircle of outer tire layer 3; During making, the face, two sidewalls of the outer tire layer 3 of tire is respectively equipped with the protective layer 5 be made up of the annular arrangement protection adhesive tape 5.1 that 4 ~ 8 diameters are different, protective layer 5 is arranged on the position of tire protector section more than horizontal shaft Q, on protective layer 5, between every two annular shield adhesive tape 5.1, is provided with the transition rings connected in star 5.2 of circular-arc bottom face; Be respectively equipped with on the matrix skeleton layer 1 relative to protective layer 5 basal surface position place, at the two ends of cushion layer 2 and strengthen cushion layer 2.1, strengthen cushion layer 2.1 and connect as one with cushion layer 2.
During making, the lower edge of protective layer 5 is made as 0.05 ~ 0.20 times of the distance H of tire protector section horizontal shaft Q to tyre shoulders end points J to the distance of tire protector section horizontal shaft Q, the upper edge of protective layer 5 is made as 0.3 times ~ 0.45 times of the distance H of tire protector section horizontal shaft Q to tyre shoulders end points J to the distance of tyre shoulders end points J; The thickness h 1 simultaneously thickness of 4 ~ 8 the annular arrangement protection adhesive tapes 5.1 be arranged on protective layer 5 being made as the annular arrangement protection adhesive tape 5.1 being in protective layer 5 medium position is the thickest, and the thickness of other annular arrangement protection adhesive tape 5.1 on medium position annular arrangement protection adhesive tape 5.1 both sides is thinning gradually; When the number being arranged on the annular arrangement protection adhesive tape 5.1 on protective layer 5 is even number, the number ratio being arranged on the annular arrangement protection adhesive tape 5.1 of annular arrangement protection adhesive tape 5.1 upper position of medium position is arranged on many 1 of the quantity of the annular arrangement protection adhesive tape 5.1 of position, its underpart; When the number being arranged on the annular arrangement protection adhesive tape 5.1 on protective layer 5 is odd number, the quantity being arranged on the annular arrangement protection adhesive tape 5.1 on annular arrangement protection adhesive tape 5.1 both sides of medium position is identical; The thickness h 1 of the annular arrangement protection adhesive tape 5.1 being in protective layer 5 medium position is controlled the scope at 10 ~ 30mm, and make the thickness of other annular arrangement protection adhesive tape 5.1 on annular arrangement protection adhesive tape 5.1 both sides of its medium position thinning gradually, make the thickness difference of every two adjacent cylindrical protection adhesive tapes 5.1 be 1 ~ 5mm; The width w1 of the annular arrangement protection adhesive tape 5.1 being in protective layer 5 medium position is controlled the scope at 8 ~ 25mm, and the width of other annular arrangement protection adhesive tape 5.1 on annular arrangement protection adhesive tape 5.1 both sides of medium position is reduced gradually, make the width differential of every two adjacent cylindrical protection adhesive tapes 5.1 be 0.1 ~ 0.15 times of the width w1 of the annular arrangement protection adhesive tape 5.1 of medium position; During making, on the cross section that tire protector section horizontal shaft Q to the distance d of tire centerline axes O should be less than tire central axis O, between the widest inwall place of matrix skeleton layer 1, horizontal throw line q is to the distance D of tire centerline axes O, and tire protector section horizontal shaft Q is parallel with horizontal throw line q between the widest inwall place; And make tire protector section horizontal shaft Q to the distance d of tire centerline axes O be greater than the inner radii R of tire.
Claims (10)
1. the means of defence of a tire sidewall, it is characterized in that: when making tire, the face, two sidewalls of tire is produced protective layer (5) respectively that be made up of the annular arrangement protection adhesive tape that 4 ~ 8 diameters are different, the sidewall protection of reinforced tire is carried out by this protective layer (5), thus avoid or reduce tire in use, because the stone on horsestone head or rut limit between two tires is to the damage on sidewall.
2. the means of defence of tire sidewall according to claim 1, is characterized in that: the material of the protective layer (5) that the described annular arrangement protection adhesive tape different by 4 ~ 8 diameters forms is identical with the material of outer tire layer (3).
3. the fail-safe structure of a tire sidewall, comprise and organize all-in-one-piece tire by matrix skeleton layer (1), cushion layer (2), outer tire layer (3) and tire anti-slip external tooth (4), cushion layer (2) is arranged on matrix skeleton layer (1), outer tire layer (3) is wrapped on cushion layer (2), and tire anti-slip external tooth (4) is evenly distributed on the excircle of outer tire layer (3); It is characterized in that: on the face, two sidewalls of the outer tire layer (3) of tire, be respectively equipped with the protective layer (5) be made up of the annular arrangement protection adhesive tape (5.1) that 4 ~ 8 diameters are different, and protective layer (5) is arranged on the position of more than tire protector section horizontal shaft (Q), transition rings connected in star (5.2) upper at protective layer (5), be provided with circular-arc bottom face between every two annular shield adhesive tape (5.1); Above, at the two ends of cushion layer (2) be respectively equipped with enhancing cushion layer (2.1) at the matrix skeleton layer (1) relative to protective layer (5) basal surface position place, strengthen cushion layer (2.1) and connect as one with cushion layer (2).
4. the fail-safe structure of tire sidewall according to claim 3, it is characterized in that: the lower edge of protective layer (5) is tire protector section horizontal shaft (Q) to 0.05 ~ 0.20 times of distance (H) of tyre shoulders end points (J) to the distance of tire protector section horizontal shaft (Q), the upper edge of protective layer (5) is tire protector section horizontal shaft (Q) to 0.3 times ~ 0.45 times of distance (H) of tyre shoulders end points (J) to the distance of tyre shoulders end points (J).
5. the fail-safe structure of tire sidewall according to claim 3, it is characterized in that: the thickness being arranged on 4 ~ 8 annular arrangement protection adhesive tapes (5.1) on protective layer (5) for the thickness (h1) of the annular arrangement protection adhesive tape (5.1) being in protective layer (5) medium position the thickest, and the thickness of other annular arrangement protection adhesive tape (5.1) on medium position annular arrangement protection adhesive tape (5.1) both sides is thinning gradually.
6. the fail-safe structure of tire sidewall according to claim 5, it is characterized in that: when the number being arranged on the annular arrangement protection adhesive tape (5.1) on protective layer (5) is even number, the number ratio being arranged on the annular arrangement protection adhesive tape (5.1) of annular arrangement protection adhesive tape (5.1) upper position of medium position is arranged on many 1 of the quantity of the annular arrangement protection adhesive tape (5.1) of position, its underpart; When the number being arranged on the annular arrangement protection adhesive tape (5.1) on protective layer (5) is odd number, the quantity being arranged on the annular arrangement protection adhesive tape (5.1) on annular arrangement protection adhesive tape (5.1) both sides of medium position is identical.
7. the fail-safe structure of tire sidewall according to claim 6, it is characterized in that: the thickness (h1) being in the annular arrangement protection adhesive tape (5.1) of protective layer (5) medium position is 10 ~ 30mm, and the thickness of other annular arrangement protection adhesive tape (5.1) on annular arrangement protection adhesive tape (5.1) both sides of its medium position is thinning gradually, the thickness difference of every two adjacent cylindrical protection adhesive tapes (5.1) is 1 ~ 5mm.
8. the fail-safe structure of tire sidewall according to claim 7, it is characterized in that: the width (w1) being in the annular arrangement protection adhesive tape (5.1) of protective layer (5) medium position is 8 ~ 25mm, and the width of other annular arrangement protection adhesive tape (5.1) on annular arrangement protection adhesive tape (5.1) both sides of medium position reduces gradually, the width differential of every two adjacent cylindrical protection adhesive tapes (5.1) is 0.1 ~ 0.15 times of annular arrangement protection adhesive tape (5.1) width (w1) of medium position.
9. the fail-safe structure of tire sidewall according to claim 3, it is characterized in that: described tire protector section horizontal shaft (Q) to be less than on the cross section of tire central axis (O) between matrix skeleton layer (1) the widest inwall place horizontal throw line (q) to the distance (D) of tire centerline axis (O) to the distance (d) of tire centerline axis (O), and tire protector section horizontal shaft (Q) is parallel with horizontal throw line (q) between the widest inwall place; And tire protector section horizontal shaft (Q) is greater than the inner radii (R) of tire to the distance (d) of tire centerline axis (O).
10. the fail-safe structure of tire sidewall according to claim 3, is characterized in that: described tire is the tire of lorry or the dumping car that mine, building site use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206796.0A CN105196799A (en) | 2015-04-28 | 2015-04-28 | Tire sidewall protection method and structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206796.0A CN105196799A (en) | 2015-04-28 | 2015-04-28 | Tire sidewall protection method and structure |
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| Publication Number | Publication Date |
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| CN105196799A true CN105196799A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510206796.0A Pending CN105196799A (en) | 2015-04-28 | 2015-04-28 | Tire sidewall protection method and structure |
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| CN (1) | CN105196799A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0382611A (en) * | 1989-08-28 | 1991-04-08 | Bridgestone Corp | Pneumatic radial tire for rally |
| JPH1058926A (en) * | 1996-08-12 | 1998-03-03 | Bridgestone Corp | Cut resistant tire |
| CN1398225A (en) * | 1999-11-17 | 2003-02-19 | 固特异轮胎和橡胶公司 | All-terrain vehicle tire |
| CN102896978A (en) * | 2012-10-12 | 2013-01-30 | 中橡集团曙光橡胶工业研究设计院 | Diagonal aircraft tire with resistance to mechanical damage of steel cable |
| CN203995486U (en) * | 2014-05-08 | 2014-12-10 | 厦门正新橡胶工业有限公司 | Oblique pneumatic tyre body structure |
-
2015
- 2015-04-28 CN CN201510206796.0A patent/CN105196799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0382611A (en) * | 1989-08-28 | 1991-04-08 | Bridgestone Corp | Pneumatic radial tire for rally |
| JPH1058926A (en) * | 1996-08-12 | 1998-03-03 | Bridgestone Corp | Cut resistant tire |
| CN1398225A (en) * | 1999-11-17 | 2003-02-19 | 固特异轮胎和橡胶公司 | All-terrain vehicle tire |
| CN102896978A (en) * | 2012-10-12 | 2013-01-30 | 中橡集团曙光橡胶工业研究设计院 | Diagonal aircraft tire with resistance to mechanical damage of steel cable |
| CN203995486U (en) * | 2014-05-08 | 2014-12-10 | 厦门正新橡胶工业有限公司 | Oblique pneumatic tyre body structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |