CN202944156U - Tire for engineering vehicle - Google Patents
Tire for engineering vehicle Download PDFInfo
- Publication number
- CN202944156U CN202944156U CN 201220511042 CN201220511042U CN202944156U CN 202944156 U CN202944156 U CN 202944156U CN 201220511042 CN201220511042 CN 201220511042 CN 201220511042 U CN201220511042 U CN 201220511042U CN 202944156 U CN202944156 U CN 202944156U
- Authority
- CN
- China
- Prior art keywords
- tire
- carcass
- crown
- raised line
- convex ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920002635 polyurethane Polymers 0.000 claims description 13
- 239000004814 polyurethane Substances 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract 1
- 229920000768 polyamine Polymers 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Tires In General (AREA)
Abstract
The utility model relates to a tire for an engineering vehicle. The tire is composed of a tire body and a tire crown; the surface of the tire body is provided with a convex ring extending radially outward; the tire crown is made of polyamine; and the inner surface of the tire crown is provided with a concave ring the size and the shape of which are matched with those of the convex ring. The tire in the structure has very ideal abrasion-resistant and tearing-resistant performances and tensile strength, so that the service life of the tire can be prolonged; and the manufacturing cost of the tire is not high compared with that of the existing tire.
Description
Technical field
The utility model relates to a kind of for the tire on engineering truck.
Background technology
Tire is be used to the parts that support whole self-propelled vehicle, and can relax the impulsive force that the road surface is transmitted self-propelled vehicle, especially tire used on engineering truck, because it need to carry several tons or tens tons of gravity, so, require tire must have suitable elasticity and the ability of bearing load, and wear-resistant performance.No matter Off-the-road tire of the prior art is diagonal tyre, or radial-ply tyre is all to be made of carcass and crown, and diagonal tyre wherein is by tyre surface and the carcass plies, the cushion layer that are arranged in tyre surface, and tyre bead forms.Carcass plies is to run through whole tyre surface by cord, carcass plies is the skeleton of tire, can strengthen the intensity of tire, and cushion layer is between tyre surface and carcass plies, can prevent self-propelled vehicle tyre surface and carcass plies disengaging when emergency braking, but because carcass plies and cushion layer are all to be made by more sparse cord and the larger rubber of elasticity, when self-propelled vehicle was exercised on uneven road surface, its suffered impact very easily made wear on tyres.As everyone knows, the traffic accident that self-propelled vehicle causes because of oneself factor in the process of moving, the 70%th, cause by blowing out, mostly occur in tyre surface or crown and be worn and cause and blow out, simultaneously to be subject to horizontal application force in middle process because of engineering truck turning round to travel, even if if tyre surface or crown by mild wear, also easily produce blow out, it is relative with tensile strength relatively poor that its major cause is that the tire of this kind structure resistance to wears; In addition, although radial-ply tyre has increased the bracing ply that the glass fibre cord higher by intensity, that tensile deformation is less or polyamide fibre cord or wirecord fabric consist of on the basis of diagonal tyre, can reduce land rear crown deflection and improve the anti-thorn ability of crown of tire, but the tyre surface of radial-ply tyre or crown are also to be made by more sparse cord and the larger rubber of elasticity, so there is the problem of easily blowing out too in radial-ply tyre.
Polyurethane resistance to wears and tensile strength is a kind of very darker desirable material, utilize tyre surface or the crown of polyurethane fabrication vehicle tyre, can improve more than several times its service life, even if but produce chemical crosslink reaction between the two because polyurethane and elastomeric material adopt high temperature and/or adhesive agent to be combined also can not make, reach intermolecular combination, so, be subject under External Force Acting between the two, be subject to the application force of transverse force as engineering truck when travelling turning round, very easily make between the carcass of tire and tyre surface or crown and separate.In the prior art, those skilled in the art generally believe, polyurethane can not be used for being combined with rubber the cover of maker motor-car.
Summary of the invention
The purpose of this utility model is to provide the tire on engineering truck of being used for that a kind of mode of utilizing the mode of convex-concave combination solves the problems such as carcass and tyre surface or crown easily separated and Using Life of Tyre when being subjected to External Force Acting is short.
The tire that is used on engineering truck that the utility model proposes is made of carcass and crown, be provided with on the carcass surface convex ring that extends radially outwardly, crown is made by polyurethane, and is provided with at the inside face of crown the spill ring that is complementary with the convex ring size and shape.Carcass wherein can be sulfided into the inflation carcass with elastomeric material by mould, be provided with carcass plies, cushion layer according to prior art on carcass, and tyre bead, after the carcass inflation, can make between the two fully combination, can not make tyre surface or crown under external force transversely and vertically move because convex ring and spill loops close simultaneously; In addition, carcass can also adopt used tire, just tyre surface or crown are damaged mostly because of the carcass of used tire, and carcass can be continued to use usually, so, the tyre surface or the crown that are made of polyurethane are installed on the tire of used tire, are used this tire also than the long service life of new tire of the prior art, and can save cost of manufacture.
Described carcass surface also is provided with the raised line that extends radially outwardly, and this raised line and convex ring perpendicular.Described convex ring is provided with the 2-6 bar along the circumferencial direction of carcass.Spacing between described raised line is the 15-40 millimeter.
Described carcass surface and be provided with the profile of tooth raised line that extends radially outwardly near the both sides of tire shoulder, and the crown of profile of tooth raised line that makes both sides is towards the middle part of carcass.
The transversal surface of described convex ring is rectangle or trapezoidal or circular arc.The transversal surface of described raised line is rectangle or trapezoidal or circular arc.
The tyre surface or the crown that are used for the tire on engineering truck that the utility model proposes are made of polyurethane, the relatively existing tire of the tire of this kind structure, its wear-resisting and anti tear degree can improve 3-5 doubly after testing, and tensile strength can improve 2-3 doubly, thus the service life that can improve tire; In addition, when carcass is not inflated, tyre surface or crown are arranged on the carcass surface, install very convenient this moment; Price because of polyurethane is also not bery high simultaneously, so the relatively existing tire of the cost of manufacture of this kind tire is not high.
Description of drawings:
Accompanying drawing 1 is that the cut-away section structure that is used for the embodiment of tire on engineering truck that the utility model proposes is looked schematic diagram.
The specific embodiment:
Referring to Fig. 1, this figure provides the surface structure that is used for the embodiment of tire on engineering truck that the utility model proposes.This tire comprises carcass 1 and tyre surface 2, and carcass 1 wherein can adopt the carcass of new making or the carcass of used tire, and carcass 1 comprises tyre bead and multilayer cordline (not providing in figure), and cordline is generally 20 to 30 layers of left and right.Circumferencial direction at carcass 1 outer round surface is provided with convex ring 12 and the raised line 11 that extends radially outwardly, the convex ring 12 that provides in the present embodiment is provided with two, but can the quantity of convex ring 12 be set according to tire size and width, can be provided with the 2-6 bar under normal conditions.Also be provided with the raised line 11 that extends radially outwardly at carcass 1 outer round surface, and this raised line 11 is perpendicular with convex ring 12, spacing between adjacent two raised lines 11 is 20 millimeters, and for engineering truck tire used, the spacing between adjacent two raised lines 11 is usually between the 15-40 millimeter.The transversal surface of convex ring 12 is rectangle or trapezoidal or circular arc, and the optimal selection of the transversal surface of convex ring 12 is rectangle, and the transversal surface of raised line 11 is also rectangle or trapezoidal or circular arc, and the optimal selection of the transversal surface of raised line 11 is also rectangle.The raised line 11 that arranges on above-mentioned carcass 1 is in order to prevent that tyre surface 2 is along the direction of wheel tyre walking and the parts that carcass 1 relatively moves, and in order to prevent that tyre surface 2 is along direction and the carcass 1 of wheel tyre walking all right other shape that relatively moves, as adopting on carcass 1 surface and be provided with near the both sides of tire shoulder 13 the profile of tooth raised line (not providing in figure) that extends radially outwardly, and the crown of profile of tooth raised line that makes both sides is towards the middle part of carcass.
Tyre surface 2 is to be made by the polyurethane material, because the polyurethane material has quite desirable wear-resisting and tear resistance, and tensile strength, so, utilize the polyurethane material also can make crown, so, tyre surface 2 these a kind of structures are only proposed in the present embodiment.Tyre surface 2 inside faces be provided with respectively with carcass 1 on convex ring 12 and the spill ring 21 that is complementary of the size and shape of raised line 11 and recessed 22, and recessed 22 perpendicular with spill ring 21.
When making the tire of this kind structure, comprise and make carcass 1 and tyre surface 2(or crown) these two operations, making carcass 1 vulcanizes by mould and changes assembly into inflation carcass 1, then by surperficial raised line 11 and the convex ring 12 of time processing with the circumference of carcass 1; Make tyre surface 2(or crown), utilize polyurethane material casting mold, make tyre surface 2(or crown) internal diameter and the external diameter alpha region of carcass 1, then with tyre surface 2(or crown) be assembled on carcass 1, to the tire on engineering truck of being used for that is after carcass 1 inflation that the utility model proposes.
Claims (7)
1. be used for the tire on engineering truck, it is characterized in that: this tire is made of carcass and crown, be provided with on the carcass surface convex ring that extends radially outwardly, crown is made by polyurethane, and is provided with at the inside face of crown the spill ring that is complementary with the convex ring size and shape.
2. tire according to claim 1 is characterized in that: described carcass surface also is provided with the raised line that extends radially outwardly, and this raised line and convex ring perpendicular.
3. tire according to claim 1, it is characterized in that: described convex ring is provided with the 2-6 bar along the circumferencial direction of carcass.
4. tire according to claim 2, it is characterized in that: the spacing between described raised line is the 15-40 millimeter.
5. according to claim 1 or 3 described tires, it is characterized in that: the transversal surface of described convex ring is rectangle or trapezoidal or circular arc.
6. according to claim 2 or 4 described tires, it is characterized in that: the transversal surface of described raised line is rectangle or trapezoidal or circular arc.
7. tire according to claim 1 is characterized in that: described carcass surface and be provided with the profile of tooth raised line that extends radially outwardly near the both sides of tire shoulder, and the crown of profile of tooth raised line that makes both sides is towards the middle part of carcass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511042 CN202944156U (en) | 2012-10-08 | 2012-10-08 | Tire for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511042 CN202944156U (en) | 2012-10-08 | 2012-10-08 | Tire for engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944156U true CN202944156U (en) | 2013-05-22 |
Family
ID=48419869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511042 Expired - Fee Related CN202944156U (en) | 2012-10-08 | 2012-10-08 | Tire for engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910035A (en) * | 2012-10-08 | 2013-02-06 | 徐士广 | Tyre for engineering truck |
-
2012
- 2012-10-08 CN CN 201220511042 patent/CN202944156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910035A (en) * | 2012-10-08 | 2013-02-06 | 徐士广 | Tyre for engineering truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20141008 |
|
| EXPY | Termination of patent right or utility model |