CN115091899B - Dual-purpose tyre with offset tread for highway and railway - Google Patents
Dual-purpose tyre with offset tread for highway and railway Download PDFInfo
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- CN115091899B CN115091899B CN202210767127.0A CN202210767127A CN115091899B CN 115091899 B CN115091899 B CN 115091899B CN 202210767127 A CN202210767127 A CN 202210767127A CN 115091899 B CN115091899 B CN 115091899B
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- tread
- tire
- belt layer
- belt
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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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
- B60B17/02—Wheels characterised by rail-engaging elements with elastic tyres
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention relates to a dual-purpose tire with an offset tread for highways and railways, belonging to the field of tires. The tire body comprises a highway tread, a railway tread and a belt framework, wherein the highway tread comprises shoulder rubber strips, shoulder transverse grooves, longitudinal main grooves, middle rubber strips and middle transverse grooves, the longitudinal main grooves divide the highway tread into the middle rubber strips and the shoulder rubber strips, and the middle rubber strips and the shoulder rubber strips are respectively transversely provided with the middle transverse grooves and the shoulder transverse grooves; the railway tread comprises a tread groove, a guide rubber strip is arranged on the tread groove, and a protective rubber block is arranged on the side wall of the tread groove; the belt framework is formed by stacking a first belt layer, a second belt layer, a third belt layer and a zero-degree belt layer one by one, the belt framework is positioned in the tire crown rubber, the lower part of the tread pattern structure, the steel wire frameworks of the first belt layer, the second belt layer and the third belt layer are mutually crossed and arranged in directions, and the zero-degree belt layer is positioned on the same side of the road tread.
Description
Technical Field
The invention belongs to the field of tires, and in particular relates to a dual-purpose tire with an offset tread for highways and railways.
Background
As is well known, a dual purpose vehicle for highway and railway is a special purpose vehicle that can be operated both on highway and on railway depending on the operating requirements. The vehicle is mainly used for special purposes such as inspection and maintenance along the railway, emergency rescue, emergency repair and obstacle clearance. The vehicle running system is usually composed of two parts, namely a wheel device at the bottom and a guiding device. The vehicle uses the tires in the wheel devices to realize the bearing of the whole vehicle and the driving/braking of power during the road running. When the railway runs, a set of small-size steel guide wheels are lowered through the lifting device at the bottom to guide the running direction, and the wheel system still provides bearing and driving/braking force, so that the railway is guided, borne and run.
These vehicles generally require switching operations between road running and rail running in a small area. The existing road-railway dual-purpose vehicle adopts two sets of wheel trains of the road and the railway at the same time to realize the bearing, steering and driving/braking of the whole vehicle on two road conditions. The two sets of systems can be switched when parking, and the problems of complex chassis structure, heavy weight, high cost, inflexible road and railway switching operation, complex maintenance and time consumption exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the dual-purpose tire with the offset tread for the highway and the railway, and the tread structure and the crown belt structure can enable the dual-purpose vehicle for the highway and the railway to use only one set of tire, so that the dual-purpose vehicle can freely switch between the highway and the railway for running.
The technical scheme adopted for solving the technical problems is as follows: the dual-purpose tire of the highway and the railway with the offset tread is provided with a tire body, and is characterized in that the tire body comprises a highway tread, a railway tread and a belt framework, the highway tread comprises shoulder rubber strips, shoulder transverse grooves, longitudinal main grooves, middle rubber strips and middle transverse grooves, the longitudinal main grooves divide the highway tread into the middle rubber strips and the shoulder rubber strips, and the middle transverse grooves and the shoulder transverse grooves are respectively and transversely arranged on the middle rubber strips and the shoulder rubber strips; the railway tread comprises a tread groove, a guide rubber strip is arranged on the tread groove, and a protective rubber block is arranged on the side wall of the tread groove; the belt framework is formed by stacking a first belt layer, a second belt layer, a third belt layer and a zero-degree belt layer one by one, the belt framework is positioned in the tire crown rubber, the lower part of the tread pattern structure, the steel wire frameworks of the first belt layer, the second belt layer and the third belt layer are mutually crossed and arranged in directions, and the zero-degree belt layer is positioned on the same side of the road tread.
The invention can be realized by the following measures:
the transverse width ratio of the shoulder rubber strip to the middle rubber strip is 0.8-1.2.
The guide rubber strips are raised on the tread grooves and are formed by continuously raising 2-4 rubber strips circumferentially and transversely uniformly-wide and uniformly-spaced, wherein the width of each raised rubber strip is between 10 and 20mm, and the height of each raised rubber strip is between 3 and 5 mm.
The protective rubber block is in an arc shape, and the radius of the arc is between 15mm and 25 mm.
The first belt layer is formed by uniformly arranging steel wires at an angle of 40-60 degrees with the center of the crown of the tire body, and the width of the first belt layer is 75-85% of the width of the crown of the tire body.
The second belt ply is formed by uniformly arranging steel wires and the tire crown center of the tire body at an angle of-15 to-30 DEG in an equidistant manner, and the width of the second belt ply is 85-95% of the width T of the tire crown part of the tire body.
The third belt ply is formed by uniformly arranging steel wires and the tire body in an equidistant manner at an angle of 15-30 degrees with respect to the center of the tire crown, and the width of the third belt ply is 55-65% of the width of the tire body at the tire crown.
The zero-degree belt layer is formed by uniformly arranging steel wires and the tire crown center of the tire body at an angle of-2 DEG in an equidistant manner, and the width of the zero-degree belt layer is 15% -25% of the width of the tire crown part of the tire body.
The zero-degree belt layers are wound for 2 circles in the circumferential direction.
The longitudinal main grooves are in zigzag shape and circumferentially and penetratingly distributed.
The invention has the beneficial effects that the tread structure and the crown belt structure can enable the road-railway dual-purpose vehicle to freely switch between road and railway to run by only using one set of tires. The device can remove the guiding locomotive wheels, the lifting device and part of power transmission mechanisms from the existing road-railway dual-purpose vehicle, reduce the operation radius of turning around and steering the road-railway dual-purpose vehicle, and greatly improve the operation efficiency. Meanwhile, the dead weight of the vehicle can be reduced, so that the manufacturing and maintenance cost is lower.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is a partial enlarged sectional view of an embodiment of the present invention.
FIG. 3 is a schematic view of a belt portion in cross-section according to an embodiment of the present invention.
FIG. 4 is a belt portion width angle top view of an embodiment of the present invention.
Fig. 5 is a cross-sectional structure perspective view of an embodiment of the present invention.
FIG. 6 is an enlarged elevation view of the tread pattern of the present invention.
Fig. 7 is a partial enlarged view of a use state of an embodiment of the present invention.
In the drawings, 1, a tire body, 2, a first belt layer, 3, a second belt layer, 4, a third belt layer, 5, a zero-degree belt layer, 6, a guiding rubber strip, 7, a side wall protection rubber block, 8, a middle transverse groove, 9, a longitudinal main groove, 10, a shoulder transverse groove, 11, a shoulder rubber strip, 12, a middle rubber strip, A, a highway tread, B, a railway tread, and C, a belt skeleton.
Detailed Description
In the drawings, the present invention is provided with a tire body 1, and the tire body 1 includes a road tread a, a railway tread B, and a belt skeleton C.
The highway tread A is a highway ground contact part.
The railway tread B is a railway track contact part.
The belt framework C is a supporting structure of an inner framework of the crown rubber.
The highway tread A is arranged on the crown side of the tyre body 1 and is composed of a shoulder rubber strip 11, a shoulder transverse groove 10, a longitudinal main groove 9, a middle rubber strip 12 and a middle transverse groove 8.
The longitudinal main groove 9 is arranged in the area of the highway tread A of the tire body 1, the longitudinal main groove 9 divides the highway tread A into a middle rubber strip 12 and a shoulder rubber strip 11, and the transverse width ratio of the shoulder rubber strip 11 to the middle rubber strip 12 is 0.8-1.2. The longitudinal main grooves 9 are circumferentially distributed throughout in a zigzag shape, which enables the tire to provide a sufficient ground contact surface for supporting the tire running in the middle region of the entire crown of the tire body 1 during road running.
The middle transverse groove 8 is designed on a middle rubber strip 12 of the highway tread A part of the tire body 1, one end of the middle transverse groove 8 is connected with the longitudinal main groove 9, the other end of the middle transverse groove 8 is closed, and the whole is arranged at intervals in the circumferential direction.
The shoulder transverse groove 10 is designed on a shoulder rubber strip 11 of the highway tread A part of the tire body 1, one end of the shoulder transverse groove 10 is connected with the longitudinal main groove 9, and the other end of the shoulder transverse groove 10 is open.
The railway tread B is arranged on the other side of the crown of the tyre body 1 with respect to the road tread a, which is integrally a tread groove matching the shape of the rail. The tread of the tread groove is provided with a guide rubber strip 6, and the side wall of the tread groove is provided with a side wall protection rubber block 7.
The guide rubber strips 6 are protruded on the tread grooves and are formed by arranging 2-4 rubber strips with continuous circumferential protruded rubber strips at equal width and equal interval. The width of the raised rubber strip is between 10 and 20mm, and the height is between 3 and 5mm, and the design can ensure that the tire can ensure good guidance performance when running on a railway track, can also ensure lower deformation and heat generation when under high load, and prolongs the service life of the railway.
The side wall protection rubber blocks 7 are arranged on the side wall of the tread groove and are arranged at intervals in the circumferential direction, the side wall protection rubber blocks 7 are in a partial circular arc shape, the circular arc radius is between 15mm and 25mm, and the design can be used for effectively protecting the middle rubber strip 12 when the tire turns on a railway.
The belt framework C part is formed by stacking a first belt layer 2, a second belt layer 3, a third belt layer 4 and a zero-degree belt layer 5 layer by layer, wherein the steel wire framework directions of the first belt layer 2, the second belt layer 3 and the third belt layer 4 are mutually crossed.
The first belt layer 2 is formed by uniformly arranging steel wires at an angle of 40-60 degrees with the center of the crown of the tire body 1, and the width T1 of the first belt layer 2 is 75-85% of the width T of the crown part of the tire body 1.
The second belt layer 3 is formed by uniformly arranging steel wires and the tire body 1 at an angle of-15 to-30 DEG in equal distance from the center of the tire crown, and the width T2 of the second belt layer 3 is 85-95% of the width T of the tire body 1 crown part.
The third belt layer 4 is formed by uniformly arranging steel wires and the tire body 1 at an angle of 15-30 DEG in equal distance from the center of the tire crown, and the width T3 of the third belt layer 4 is 55-65% of the width T of the tire body 1 crown.
The zero-degree belt layer 5 is formed by uniformly arranging steel wires and the tire body 1 at the center of the tire crown at an angle of-2 degrees in an equidistant manner, the zero-degree belt layer 5 is wound for 2 circles in the circumferential direction, the width T4 of the zero-degree belt layer 5 is 15% -25% of the width T of the tire body 1 crown part, and the zero-degree belt layer 5 is arranged on the same side of the highway tread A part of the tire body 1.
The above design of the first belt layer 2, the second belt layer 3, the third belt layer 4, the fourth belt layer 5 and the zero-degree belt layer ensures that the highway tread A part and the railway tread B part of the tire body 1 have different expansions in the inflated state, and when the tire runs on a railway, the railway tread B part of the tire body 1 is raised due to expansion, so that the tire body 1 generates a lateral force and a overturning moment which are generated simultaneously on the left tire and the right tire and have opposite directions. This design enables the vehicle equipped with the tire body 1 to run straight line stability on railways and highways while ensuring steering performance at cornering.
Claims (9)
1. The dual-purpose tire of the highway and the railway with the offset tread is provided with a tire body, and is characterized in that the tire body comprises a highway tread, a railway tread and a belt framework, the highway tread comprises shoulder rubber strips, shoulder transverse grooves, longitudinal main grooves, middle rubber strips and middle transverse grooves, the longitudinal main grooves divide the highway tread into the middle rubber strips and the shoulder rubber strips, and the middle transverse grooves and the shoulder transverse grooves are respectively and transversely arranged on the middle rubber strips and the shoulder rubber strips; the railway tread comprises a tread groove, a guide rubber strip is arranged on the tread groove, and a protective rubber block is arranged on the side wall of the tread groove; the belt ply skeleton comprises a first belt ply, a second belt ply, a third belt ply and a zero-degree belt ply which are stacked one by one, the belt ply skeleton is positioned in the tire crown rubber, the lower part of the tread pattern structure, the steel wire skeleton directions of the first belt ply, the second belt ply and the third belt ply are mutually crossed and arranged, the zero-degree belt ply is positioned on the same side of the road tread, and the transverse width ratio of the shoulder rubber strip to the middle rubber strip is 0.8-1.2.
2. The dual-purpose tire with the offset tread for highways and railways according to claim 1, wherein the guide rubber strips are protruded on the tread grooves and are formed by continuously protruded 2-4 rubber strips circumferentially and horizontally arranged at equal widths and equal intervals, the width of the protruded rubber strips is between 10 and 20mm, and the height of the protruded rubber strips is between 3 and 5 mm.
3. The dual-purpose tire with the offset tread for highways and railways according to claim 1, wherein the protective rubber block is in a circular arc shape, and the radius of the circular arc is 15 mm-25 mm.
4. The dual-purpose tire with the bias tread for highways and railways according to claim 1, wherein the first belt layer is formed by uniformly arranging steel wires at an angle of 40-60 degrees with the crown center of the tire body in an equidistant manner, and the width of the first belt layer is 75-85% of the width of the crown part of the tire body.
5. The dual-purpose tire with the offset tread for highways and railways according to claim 1, wherein the second belt layer is formed by uniformly arranging steel wires at an angle of-15 to-30 DEG with the crown center of the tire body, and the width of the second belt layer is 85-95% of the width T of the crown part of the tire body.
6. The dual-purpose tire with the bias tread for highways and railways according to claim 1, wherein the third belt layer is formed by uniformly arranging steel wires at an angle of 15-30 degrees with the crown center of the tire body, and the width of the third belt layer is 55% -65% of the width of the crown part of the tire body.
7. The dual-purpose tire with the bias tread for highways and railways according to claim 1, wherein the zero-degree belt layer is formed by uniformly arranging steel wires and the tire crown center of the tire body at an angle of-2 DEG in an equidistant manner, and the width of the zero-degree belt layer is 15% -25% of the width of the tire crown part of the tire body.
8. The dual purpose tire of offset tread highway and railway as claimed in claim 1, wherein said zero degree belt is circumferentially arranged in a 2-turn winding arrangement.
9. The dual-purpose tire for highway and railway with offset tread according to claim 1, wherein the longitudinal main grooves are distributed in a zigzag shape and circumferentially pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210767127.0A CN115091899B (en) | 2022-07-01 | 2022-07-01 | Dual-purpose tyre with offset tread for highway and railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210767127.0A CN115091899B (en) | 2022-07-01 | 2022-07-01 | Dual-purpose tyre with offset tread for highway and railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115091899A CN115091899A (en) | 2022-09-23 |
| CN115091899B true CN115091899B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210767127.0A Active CN115091899B (en) | 2022-07-01 | 2022-07-01 | Dual-purpose tyre with offset tread for highway and railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115091899B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB438844A (en) * | 1934-03-27 | 1935-11-25 | Gottfried Friedrich Adolf Cort | Improvements in wheels for railway or like vehicles |
| US5099899A (en) * | 1984-10-13 | 1992-03-31 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire for heavy load vehicles having increasing circumferential groove amplitude with wear |
| CA2141239A1 (en) * | 1995-01-27 | 1996-07-28 | Bruno Collard | Track device having wheel widening effect |
| DE19516005C1 (en) * | 1995-05-02 | 1996-08-01 | Daimler Benz Ag | Vehicle tyre adaptable for use on roads and railway lines |
| CN201357705Y (en) * | 2008-10-03 | 2009-12-09 | 承德橡院轮胎有限公司 | Steel wire belt bundle ring-shaped tread |
| CN102514445A (en) * | 2012-01-09 | 2012-06-27 | 董兰田 | Rubber mat tire rail wheel |
| WO2014020203A1 (en) * | 2012-07-30 | 2014-02-06 | Construcciones Y Auxiliar De Ferrocarriles, S.A. | Elastic wheel for railway vehicles |
| CN106394681A (en) * | 2016-11-10 | 2017-02-15 | 中车长江车辆有限公司 | Highway-railway convertible car |
| CN206887714U (en) * | 2017-04-11 | 2018-01-16 | 嘉兴市长三角建设有限公司 | A kind of road chippings road roller |
| CN112874235A (en) * | 2021-01-13 | 2021-06-01 | 株洲市东亨科技有限责任公司 | Composite wheel for construction vehicle |
| CN214396242U (en) * | 2021-03-13 | 2021-10-15 | 兰州交通大学 | Road and railway dual-purpose wheel for small rail inspection vehicle |
| CN217892407U (en) * | 2022-07-01 | 2022-11-25 | 三角轮胎股份有限公司 | Offset tread highway and railway dual-purpose tire |
-
2022
- 2022-07-01 CN CN202210767127.0A patent/CN115091899B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB438844A (en) * | 1934-03-27 | 1935-11-25 | Gottfried Friedrich Adolf Cort | Improvements in wheels for railway or like vehicles |
| US5099899A (en) * | 1984-10-13 | 1992-03-31 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire for heavy load vehicles having increasing circumferential groove amplitude with wear |
| CA2141239A1 (en) * | 1995-01-27 | 1996-07-28 | Bruno Collard | Track device having wheel widening effect |
| DE19516005C1 (en) * | 1995-05-02 | 1996-08-01 | Daimler Benz Ag | Vehicle tyre adaptable for use on roads and railway lines |
| CN201357705Y (en) * | 2008-10-03 | 2009-12-09 | 承德橡院轮胎有限公司 | Steel wire belt bundle ring-shaped tread |
| CN102514445A (en) * | 2012-01-09 | 2012-06-27 | 董兰田 | Rubber mat tire rail wheel |
| WO2014020203A1 (en) * | 2012-07-30 | 2014-02-06 | Construcciones Y Auxiliar De Ferrocarriles, S.A. | Elastic wheel for railway vehicles |
| CN106394681A (en) * | 2016-11-10 | 2017-02-15 | 中车长江车辆有限公司 | Highway-railway convertible car |
| CN206887714U (en) * | 2017-04-11 | 2018-01-16 | 嘉兴市长三角建设有限公司 | A kind of road chippings road roller |
| CN112874235A (en) * | 2021-01-13 | 2021-06-01 | 株洲市东亨科技有限责任公司 | Composite wheel for construction vehicle |
| CN214396242U (en) * | 2021-03-13 | 2021-10-15 | 兰州交通大学 | Road and railway dual-purpose wheel for small rail inspection vehicle |
| CN217892407U (en) * | 2022-07-01 | 2022-11-25 | 三角轮胎股份有限公司 | Offset tread highway and railway dual-purpose tire |
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| Publication number | Publication date |
|---|---|
| CN115091899A (en) | 2022-09-23 |
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