CN112810386A - High-temperature-resistant antioxidant trailer tire - Google Patents
High-temperature-resistant antioxidant trailer tire Download PDFInfo
- Publication number
- CN112810386A CN112810386A CN202110245070.3A CN202110245070A CN112810386A CN 112810386 A CN112810386 A CN 112810386A CN 202110245070 A CN202110245070 A CN 202110245070A CN 112810386 A CN112810386 A CN 112810386A
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- Prior art keywords
- tire
- layer
- steel wire
- bead
- ply
- 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.)
- Pending
Links
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 239000011324 bead Substances 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 10
- MPPPKRYCTPRNTB-UHFFFAOYSA-N 1-bromobutane Chemical compound CCCCBr MPPPKRYCTPRNTB-UHFFFAOYSA-N 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 235000006708 antioxidants Nutrition 0.000 claims 10
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000035882 stress Effects 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 229920000728 polyester Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
-
- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/1835—Rubber strips or cushions at the belt edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a high-temperature-resistant antioxidant trailer tire which comprises a tire body, wherein the tire body comprises a tire crown, a tire side and a tire bead, the tire crown comprises a tire tread and a tire crown reinforcement, the tire crown reinforcement comprises a steel belt ply and a carcass ply, a cap ply is arranged on one side of the steel belt ply close to the tire crown, the tire side extends outwards from the tire bead to the tire crown in the radial direction, and the tire bead comprises an apex and a bead steel wire; the outer side of the tire bead is provided with a fiber support isolation layer and a tire bead wear-resistant sizing material; the invention is designed according to the existing requirements, increases the thickness of the inner liner, reduces the permeation of oxygen into the tire, weakens the chemical reaction of oxygen and rubber, improves the ageing resistance, reduces the shearing stress at the edge of the steel wire belt, improves the durability of the tire under the high-temperature condition, improves the defect that the tire is easy to age when used at high temperature, and ensures that the tire can still keep good running performance after being used for a long time or stored in a high-temperature area.
Description
Technical Field
The invention relates to the technical field of trailer tires, in particular to a high-temperature-resistant and oxidation-resistant trailer tire.
Background
The trailer tire means a tire having a higher air pressure and a higher load capacity than general tires. A typical structural construction of a typical tire basically comprises a crown, two sidewalls, two beads and an inner liner.
The conventional tire has the following problems during use:
1. along with the increase of the service time of the tire, gas escapes from gaps of the rubber material, the permeation quantity of oxygen to the interior of the tire structure is gradually increased, the oxygen and the rubber generate chemical reaction, and the rubber material is gradually aged;
2. the steel wire belt layer has high requirement on the viscosity of a sizing material due to the material of the steel wire, the tail end of the steel wire belt layer is difficult to be coated with glue, and the steel wire belt layer is easy to delaminate after being driven for a long time under the high-temperature condition;
3. the shoulder part of the tire is subjected to shearing stress in the running process, and the separation of a belt ply is easy to occur in the long-time running under the high-temperature condition;
4. the stress at the end point of the tire bead part is concentrated, and the temperature is gradually increased in the process of long-time use, so that the tire side is easy to delaminate.
In order to solve the problems, the high-temperature-resistant and oxidation-resistant trailer tire is provided at present, so that the defect that the tire is easy to age when used at high temperature is overcome, and the tire can be ensured to keep good running performance after being used for a long time or stored in a high-temperature area.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant and oxidation-resistant trailer tire to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-temperature-resistant and oxidation-resistant trailer tire comprises a tire body, wherein the tire body comprises a tire crown, a tire side and a tire bead, the tire crown comprises a tire tread and a tire crown reinforcement, the tire crown reinforcement comprises a steel belt ply and a carcass ply, a cap ply is arranged on one side of the steel belt ply close to the tire crown, the tire side extends outwards from the tire bead to the tire crown in the radial direction, and the tire bead comprises an apex and a bead wire;
the outer side of the tire bead is provided with a fiber support isolation layer and a tire bead wear-resistant sizing material;
layer and second steel wire area is restrainted to the steel wire area and is restrainted the layer including first steel wire area, the both ends that second steel wire area was restrainted to layer one side was kept away from in first steel wire area are restrainted the layer and are connected with along the first welt of first steel wire area and restraint the first welt of layer circumference setting and glue, second steel wire area is restrainted the layer both ends and is connected with along the second welt of second steel wire area and restraints the second welt or the rubber bag of layer circumference setting.
As a further scheme of the invention, a tire pattern is arranged on one side of the tire tread, which is far away from the crown reinforcement, and two side edges of the tire tread are connected with the tire side.
As a further scheme of the invention, the inner wall of the carcass ply is connected with an inner lining layer, the thickness of the inner lining layer is 2.1mm, and the inner lining layer adopts 90-100% of butyl bromide rubber.
As a further scheme of the invention, two sides of the carcass ply extend to the tire bead, the tire side is arranged on the side wall of one side of the carcass ply far away from the inner liner, the two side edges of the carcass ply are bent to form a space for installing the tire bead steel wire, the space is filled with apex, the outer side of one end of the carcass ply close to the tire bead steel wire is connected with a fiber support isolation layer, and one side of the fiber support isolation layer far away from the carcass ply is connected with a tire bead wear-resistant sizing material.
As a further aspect of the invention, the height of the fiber-bearing barrier layer is 60mm and the thickness of the bead abrasion-resistant compound is 3.5 mm.
As a further aspect of the present invention, the carcass ply elongation is 1.05.
As a further scheme of the invention, the difference grade between the first steel belt ply and the second steel belt ply is more than or equal to 15mm, and the difference grade between the steel belt ply and the cap ply is more than or equal to 15 mm.
As a further scheme of the invention, the second welt adhesive is arranged at two ends of one side of the second steel belt ply close to the first steel belt ply.
According to a further scheme of the invention, the edge covering rubber is arranged at two ends of the second steel belt bundle layer and wrapped at two ends of the second steel belt bundle layer along the circumferential direction of the second steel belt bundle layer, and the edge covering rubber is rubber with a Shore hardness range of 40-60 mm.
In a further aspect of the present invention, the temperature of the heat ring is 170 ℃ during the processing of the tire body, and the temperature of the heat plate is 163 ℃ during the processing of the tire body.
Compared with the prior art, the invention has the beneficial effects that:
1. the thickness of the inner liner is adjusted to be 2.1mm, 90% -100% of butyl bromide rubber is adopted, the thickness of the inner liner is increased, the permeation quantity of oxygen into the tire is reduced, the chemical reaction of the oxygen and the rubber is weakened, and the ageing resistance is improved;
2. the difference between the first steel wire belt ply and the second steel wire belt ply is adjusted to be 15mm, the difference between the belt ply and the cap ply is adjusted to be 15mm, and the edge of the steel wire belt ply is provided with edge attaching glue or edge wrapping glue, so that the shearing stress at the edge of the steel wire belt ply is reduced, and the durability under the high-temperature condition is improved;
3. a layer of fiber support isolation layer and a layer of tire bead wear-resistant rubber material are added at the tire bead part, the thickness of the tire bead wear-resistant rubber material is adjusted to be 3.5mm, the support performance of the tire side is improved, the stress concentration is reduced, and the durability of the tire side is improved;
4. the elongation of the carcass polyester fiber cord layer is adjusted to be 1.05, the cord tension of the polyester fiber cord layer is balanced, and the cord stress is dispersed;
5. when the tire is vulcanized at a low temperature, the temperature of the hot ring is adjusted to 170 ℃, the temperature of the hot plate is adjusted to 163 ℃, so that the rubber material is slowly vulcanized, the vulcanization crosslinking density is increased, and the anti-aging performance of the rubber material is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature-resistant and oxidation-resistant trailer tire.
FIG. 2 is an enlarged partial schematic view of a bead in a high temperature resistant oxidation resistant trailer tire.
FIG. 3 is a schematic structural diagram of a steel belt ply and an edge-bonding adhesive in a high-temperature-resistant and oxidation-resistant trailer tire.
FIG. 4 is a schematic structural diagram of a steel belt ply and a binding rubber in a high temperature resistant and oxidation resistant trailer tire.
In the figure: 10-tire tread, 20-steel belt ply, 21-first steel belt ply, 22-second steel belt ply, 23-first welt gum, 24-second welt gum, 25-hemming gum, 30-tire body ply, 40-inner liner, 50-tire side, 60-apex gum, 70-tire bead steel wire, 80-fiber support isolation layer and 90-tire bead wear-resistant rubber compound.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a high temperature and oxidation resistant trailer tire comprises a tire body, the tire body comprises a crown, a sidewall 50 and a bead, the crown comprises a tread 10 and a crown reinforcement, the crown reinforcement comprises a steel belt 20 and a carcass ply 30, the steel belt 20 is provided with a cap ply near one side of the crown, the sidewall 50 extends from the bead to the crown, and the bead comprises an apex 60 and a bead wire 70;
the outer side of the tire bead is provided with a fiber support isolation layer 80 and a tire bead wear-resistant sizing material 90;
It should be noted that the circumferential direction mentioned herein is a tire rolling direction, and the radial direction mentioned herein is a tire radial direction.
The tire tread 10 is provided with tire patterns on one side far away from the tire crown reinforcement, and two side edges of the tire tread 10 are connected with the tire side 50.
The inner wall of the carcass ply 30 is connected with an inner liner 40, the thickness of the inner liner 40 is 2.1mm, and the inner liner 40 is made of 90-100% of butyl bromide rubber; the thickness of the inner liner layer 40 is increased, the permeation quantity of oxygen into the tire is reduced, the chemical reaction of the oxygen and the rubber is weakened, and the ageing resistance is improved.
The tire bead is extended to in the carcass ply 30 both sides, the side wall 50 sets up on the sidewall of one side that the inner liner 40 is kept away from to the carcass ply 30, and the space that the tire bead steel wire 70 was used for installing is formed in the bending of carcass ply 30 both sides edge, the space intussuseption is filled with apex 60, the carcass ply 30 is close to the outside of tire bead steel wire 70 one end and connects fibre support isolation layer 80, the fibre supports isolation layer 80 and keeps away from one side connection tire bead wear-resistant sizing material 90 of carcass ply 30.
The height of the fiber support isolation layer 80 is 60mm, and the thickness of the tire bead wear-resistant rubber material 90 is 3.5 mm; the support of the sidewall 50 is improved, the stress concentration is reduced, and the durability of the sidewall 50 is improved.
The carcass ply 30 elongation is 1.05; the cord tension of the polyester fiber ply is balanced, and the cord stress is dispersed.
The difference between the first steel belt ply 21 and the second steel belt ply 22 is more than or equal to 15mm, and the difference between the steel belt ply 20 and the cap ply is more than or equal to 15 mm; the difference, namely the horizontal distance between the sides of the first steel belt ply layer 21 and the second steel belt ply layer 22 and the horizontal distance between the steel belt ply layer 20 and the side of the cap ply layer, can reduce the shearing stress at the edge of the steel belt ply layer 20 by adjusting the difference, and improves the durability under the high-temperature condition.
The second edge adhesive 24 is arranged at two ends of the second steel belt ply layer 22 close to one side of the first steel belt ply layer 21; the edge covering rubber 25 is arranged at two ends of the second steel belt bundle layer 22 and wrapped at two ends of the second steel belt bundle layer 22 and arranged along the circumferential direction of the second steel belt bundle layer 22, and the edge covering rubber 25 is rubber with the Shore hardness range of 40-60 mm; the second steel belt bundle layer 22 can be subjected to edge attaching operation by adopting second edge attaching glue 24 or edge wrapping operation by using edge wrapping glue 25, and the edge attaching or edge wrapping design can reduce the shearing stress at the edge of the steel belt bundle layer 20 and improve the durability under the high-temperature condition.
The temperature of the hot ring is 170 ℃ when the tire body is processed, and the temperature of the hot plate is 163 ℃ when the tire body is processed; when the tire is vulcanized at low temperature, the temperature of the hot ring is adjusted to 170 ℃, and the temperature of the hot plate is adjusted to 163 ℃, so that the rubber material can be slowly vulcanized, the vulcanization crosslinking density is increased, and the anti-aging performance of the rubber material is improved.
The applicant compares a common trailer tire (the thickness of an inner liner is 1.6mm, the difference level of a steel wire belt layer is 10mm, the thickness of a tire bead wear-resistant sizing material is 2.5mm, the elongation of a tire body polyester fiber cord ply is 1.03, the temperature of a hot ring is 175 ℃, and the temperature of a hot plate is 168 ℃) with the high-temperature-resistant and oxidation-resistant trailer tire of the invention to carry out an experimental test, tests the durability and aging durability of a new tire, and obtains the results as shown in table 1:
| item | Durability of new tire | Durable in aging |
| Common trailer tire | 45h | 0.6h |
| Tire of the invention | 120h | 200h |
TABLE 1
As can be seen from the table 1, the new tire durability and the aging durability of the high-temperature-resistant and oxidation-resistant trailer tire are superior to those of the common trailer tire, the defect that the tire is easy to age when used at high temperature is overcome, and the tire can be ensured to keep good running performance after being used for a long time or stored in a high-temperature area.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. High temperature resistant anti-oxidant trailer tire, including the tire body, the tire body includes child hat, side wall (50) and tire bead, the child hat includes tread (10) and child hat reinforcement, its characterized in that: the crown reinforcement comprising a steel belt (20) and a carcass ply (30), the steel belt (20) being provided with a cap ply on a side adjacent to the crown, the sidewalls (50) extending radially outwards from the beads to the crown, the beads comprising an apex (60) and bead wires (70);
the outer side of the tire bead is provided with a fiber support isolation layer (80) and a tire bead wear-resistant sizing material (90);
layer (20) is restrainted including first steel wire area to layer (21) and second steel wire area to layer (22) are restrainted to layer (20), the both ends that layer (22) one side was restrainted in second steel wire area was kept away from in first steel wire area to layer (21) are connected with along first steel wire area to layer (21) circumference setting first hem glue (23), layer (22) both ends are restrainted to second steel wire area are connected with along second steel wire area to layer (22) circumference setting second hem glue (24) or bordure and glue (25).
2. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: tire patterns are arranged on one side, away from the crown reinforcement, of the tire tread (10), and two side edges of the tire tread (10) are connected with the tire side (50).
3. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the inner wall of the carcass ply (30) is connected with an inner liner (40), the thickness of the inner liner (40) is 2.1mm, and the inner liner (40) adopts 90-100% of butyl bromide rubber.
4. The high temperature resistant and antioxidant trailer tire of claim 3, wherein: the tire bead is extended to in carcass ply (30) both sides, side wall (50) set up on carcass ply (30) keep away from one side lateral wall of inner liner (40), and carcass ply (30) both sides edge bending type becomes the space that is used for installing tire bead steel wire (70), the space intussuseption is filled with apex (60), carcass ply (30) are close to outside connection fibre support isolation layer (80) of tire bead steel wire (70) one end, the fibre supports one side connection tire bead abrasive rubber material (90) that isolation layer (80) kept away from carcass ply (30).
5. The high temperature resistant and antioxidant trailer tire of claim 4, wherein: the height of the fiber support isolation layer (80) is 60mm, and the thickness of the tire bead wear-resistant rubber material (90) is 3.5 mm.
6. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the carcass ply (30) has an elongation of 1.05.
7. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the difference between the first steel belt ply (21) and the second steel belt ply (22) is more than or equal to 15mm, and the difference between the steel belt ply (20) and the cap ply is more than or equal to 15 mm.
8. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the second edge gluing glue (24) is arranged at two ends of one side, close to the first steel belt bundle layer (21), of the second steel belt bundle layer (22).
9. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the edge covering rubber (25) is arranged at two ends of the second steel wire belt bundle layer (22) and wrapped at two ends of the second steel wire belt bundle layer (22) in the circumferential direction of the second steel wire belt bundle layer (22), and the edge covering rubber (25) is rubber with the Shore hardness range of 40-60 mm.
10. The high temperature resistant and antioxidant trailer tire of claim 1, wherein: the temperature of the hot ring is 170 ℃ when the tire body is processed, and the temperature of the hot plate is 163 ℃ when the tire body is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245070.3A CN112810386A (en) | 2021-03-05 | 2021-03-05 | High-temperature-resistant antioxidant trailer tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245070.3A CN112810386A (en) | 2021-03-05 | 2021-03-05 | High-temperature-resistant antioxidant trailer tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810386A true CN112810386A (en) | 2021-05-18 |
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ID=75862904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110245070.3A Pending CN112810386A (en) | 2021-03-05 | 2021-03-05 | High-temperature-resistant antioxidant trailer tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112810386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770996A (en) * | 2022-03-30 | 2022-07-22 | 泰凯英(青岛)专用轮胎技术研究开发有限公司 | High-temperature-resistant engineering tire bead structure and forming method thereof |
-
2021
- 2021-03-05 CN CN202110245070.3A patent/CN112810386A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770996A (en) * | 2022-03-30 | 2022-07-22 | 泰凯英(青岛)专用轮胎技术研究开发有限公司 | High-temperature-resistant engineering tire bead structure and forming method thereof |
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