CN112208635A - Self-repairing type steering pull rod - Google Patents
Self-repairing type steering pull rod Download PDFInfo
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- CN112208635A CN112208635A CN202010915687.7A CN202010915687A CN112208635A CN 112208635 A CN112208635 A CN 112208635A CN 202010915687 A CN202010915687 A CN 202010915687A CN 112208635 A CN112208635 A CN 112208635A
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- self
- repairing
- pull rod
- inner supporting
- tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention provides a self-repairing steering pull rod, which comprises a self-repairing pull rod assembly; the self-repairing pull rod assembly sequentially comprises an inner supporting pipe, an inner supporting pipe shell, a self-repairing layer and an outer protecting pipe from inside to outside; the self-repairing layer is formed by foaming a self-repairing material. The invention adopts the innovative self-repairing pull rod assembly as the main material, has excellent pressure and shock resistance and lower thermal conductivity, and is not easy to influence the use effect due to vibration and temperature change; the steering pull rod has certain self-repairing performance, the service life of the steering pull rod is obviously prolonged, and the overhauling and replacing frequency is reduced; on the basis of slightly improving the material cost, the use strength is greatly improved, the method is suitable for popularization, and the market prospect is good.
Description
Technical Field
The invention belongs to the field of automobile parts, and particularly relates to a self-repairing type steering pull rod.
Background
The steering tie rod is an important part in the steering mechanism of the automobile, and directly influences the stability of the operation of the automobile, the running safety and the service life of tires. The automobile steering pull rod mainly comprises a ball joint assembly, a nut, a pull rod assembly, a left telescopic rubber sleeve, a right telescopic rubber sleeve, a self-exhausting spring and the like, wherein the pull rod assembly directly influences the use effect of the automobile steering pull rod. The mechanical property of the existing automobile steering pull rod cannot be effectively guaranteed under the influence of automobile jolting and high operation temperature, cracks often appear under the condition of long-time use, the steering effect and the safety are directly influenced, and the existing automobile steering pull rod needs to be regularly maintained and detected or even replaced.
Therefore, it is an urgent problem for those skilled in the art to develop a steering rod having excellent mechanical properties in view of the above problems.
Disclosure of Invention
In order to solve the problems, the invention discloses a self-repairing steering pull rod.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-repairing steering linkage, the steering linkage includes a self-repairing linkage assembly; the self-repairing pull rod assembly sequentially comprises an inner supporting pipe, an inner supporting pipe shell, a self-repairing layer and an outer protecting pipe from inside to outside; the self-repairing layer is formed by foaming a self-repairing material, and the self-repairing material comprises the following components in percentage by mass: isocyanate: 40-52% of alloy powder: 10-15% of cement: 6-12% of flake graphite: 5-10% and deionized water: 2-7% and an auxiliary agent: 8-15%; the auxiliary agent comprises hydrogen peroxide, aluminum phosphate liquid, a water reducing agent and an active agent. Further, the production process is as follows:
(1) taking the inner supporting tube, removing burrs, dust and oil stains on the surface of the inner supporting tube, and polishing the surface of the inner supporting tube smoothly;
(2) selecting an inner support tube shell with a corresponding size according to the size of the inner support tube, and cutting the inner support tube shell and then sleeving and wrapping the inner support tube on the surface of the inner support tube;
(3) and fixing the outer protective pipe and the inner supporting pipe wrapped with the inner supporting pipe shell on a foaming platform, starting a foaming machine, and injecting a self-repairing material into an inner space formed between the outer protective pipe and the inner supporting pipe shell to form a self-repairing layer.
Furthermore, the inner supporting tube is a steel tube; the inner support tube shell is a PIR tube shell.
Further, the auxiliary agent comprises the following components in percentage by mass: hydrogen peroxide: 20-40% of molten aluminum phosphate: 15-33% of a water reducing agent: 10-20% and an active agent: 10-20%; the active agent is one of a siloxane-containing chain compound or a succinimide-containing chain compound.
Further, the alloy powder is molybdenum-based alloy powder or nickel-based alloy powder.
Further, the outer pillar is the outer pillar of heliciform.
Compared with the prior art, the invention has the following beneficial effects:
1. the innovative self-repairing pull rod assembly is adopted as a main material, so that the pressure-resistant and shock-resistant composite material has excellent pressure-resistant and shock-resistant performance and low thermal conductivity, and the use effect is not easily influenced by vibration and temperature change;
2. the steering pull rod has certain self-repairing performance, the service life of the steering pull rod is obviously prolonged, and the overhauling and replacing frequency is reduced;
3. on the basis of slightly improving the material cost, the use strength is greatly improved, the method is suitable for popularization, and the market prospect is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
list of reference numerals: the device comprises an inner supporting pipe 1, an inner supporting pipe shell 2, a self-repairing layer 3 and an outer protecting pipe 4.
Detailed Description
The technical solutions provided by the present invention will be described in detail below with reference to specific examples, and it should be understood that the following specific embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention.
Fig. 1 is a schematic structural view of a self-repairing steering linkage according to the present invention, which includes a self-repairing linkage assembly; the self-repairing pull rod assembly sequentially comprises an inner supporting tube 1, an inner supporting tube shell 2, a self-repairing layer 3 and an outer protecting tube 4 from inside to outside; the inner supporting tube is a steel tube; the inner support tube shell is a PIR tube shell; the self-repairing layer 3 is formed by foaming a self-repairing material; the outer protective pipe is a spiral outer protective pipe. The production process of the self-repairing steering pull rod comprises the following steps:
(1) taking the inner supporting tube, removing burrs, dust and oil stains on the surface of the inner supporting tube, and polishing the surface of the inner supporting tube smoothly;
(2) selecting an inner support tube shell with a corresponding size according to the size of the inner support tube, and cutting the inner support tube shell and then sleeving and wrapping the inner support tube on the surface of the inner support tube;
(3) and fixing the outer protective pipe and the inner supporting pipe wrapped with the inner supporting pipe shell on a foaming platform, starting a foaming machine, and injecting a self-repairing material into an inner space formed between the outer protective pipe and the inner supporting pipe shell to form a self-repairing layer.
The self-repairing material comprises the following components in percentage by mass: isocyanate: 40-52% of alloy powder: 10-15% of cement: 6-12% of flake graphite: 5-10% and deionized water: 2-7% and an auxiliary agent: 8-15%.
The alloy powder is molybdenum-based alloy powder or nickel-based alloy powder.
The auxiliary agent comprises the following components in percentage by mass: hydrogen peroxide: 20-40% of molten aluminum phosphate: 15-33% of a water reducing agent: 10-20% and an active agent: 10-20%; the active agent is one of a siloxane-containing chain compound or a succinimide-containing chain compound.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (6)
1. A self-repairing steering linkage characterized by: the steering pull rod comprises a self-repairing pull rod assembly; the self-repairing pull rod assembly sequentially comprises an inner supporting tube, an inner supporting tube shell, a self-repairing layer and an outer protecting tube from inside to outside; the self-repairing layer is formed by foaming a self-repairing material, and the self-repairing material comprises the following components in percentage by mass: isocyanate: 40-52% of alloy powder: 10-15% of cement: 6-12% of flake graphite: 5-10% and deionized water: 2-7% and an auxiliary agent: 8-15%; the auxiliary agent comprises hydrogen peroxide, aluminum phosphate liquid, a water reducing agent and an active agent.
2. The self-repairing steering linkage according to claim 1, wherein: the production process comprises the following steps:
(1) taking the inner supporting tube, removing burrs, dust and oil stains on the surface of the inner supporting tube, and polishing the surface of the inner supporting tube smoothly;
(2) selecting an inner support tube shell with a corresponding size according to the size of the inner support tube, and cutting the inner support tube shell and then sleeving and wrapping the inner support tube on the surface of the inner support tube;
(3) and fixing the outer protective pipe and the inner supporting pipe wrapped with the inner supporting pipe shell on a foaming platform, starting a foaming machine, and injecting a self-repairing material into an inner space formed between the outer protective pipe and the inner supporting pipe shell to form a self-repairing layer.
3. The self-repairing steering linkage according to claim 1, wherein: the inner supporting tube is a steel tube; the inner support tube shell is a PIR tube shell.
4. The self-repairing steering linkage according to claim 1, wherein: the auxiliary agent comprises the following components in percentage by mass: hydrogen peroxide: 20-40% of molten aluminum phosphate: 15-33% of a water reducing agent: 10-20% and an active agent: 10-20%; the active agent is one of a siloxane-containing chain compound or a succinimide-containing chain compound.
5. The self-repairing steering linkage according to claim 1, wherein: the alloy powder is molybdenum-based alloy powder or nickel-based alloy powder.
6. The self-repairing steering linkage according to claim 1, wherein: the outer protective pipe is a spiral outer protective pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915687.7A CN112208635B (en) | 2020-09-03 | 2020-09-03 | Self-repairing type steering pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915687.7A CN112208635B (en) | 2020-09-03 | 2020-09-03 | Self-repairing type steering pull rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112208635A true CN112208635A (en) | 2021-01-12 |
| CN112208635B CN112208635B (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010915687.7A Active CN112208635B (en) | 2020-09-03 | 2020-09-03 | Self-repairing type steering pull rod |
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| Country | Link |
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| CN (1) | CN112208635B (en) |
Citations (9)
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| JP2007246353A (en) * | 2006-03-17 | 2007-09-27 | Denki Kagaku Kogyo Kk | Repair method |
| WO2013058489A2 (en) * | 2011-10-21 | 2013-04-25 | 주식회사 대동엔지니어링 | Polyurethane-based cement composite, preparation method thereof, and molded product using same |
| CN106189821A (en) * | 2015-05-28 | 2016-12-07 | 通用汽车环球科技运作有限责任公司 | Coating goods and preparation method thereof |
| CN107955509A (en) * | 2017-11-29 | 2018-04-24 | 北京佑琳生科技有限公司 | A kind of cement-based penetrant water-repellent paint |
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| CN211223600U (en) * | 2019-12-12 | 2020-08-11 | 上汽通用汽车有限公司 | Steering gear pull rod protecting sleeve, steering gear and vehicle |
-
2020
- 2020-09-03 CN CN202010915687.7A patent/CN112208635B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2002994A1 (en) * | 1989-11-15 | 1991-05-15 | Alphons D. Beshay | Reinforced cement composites with cellulosic fibers-ii |
| KR20010078853A (en) * | 2001-04-27 | 2001-08-22 | 김형봉 | Isocyanate(resin) fever analysis composition concrete recovery materal of manufacture composition technique |
| JP2007246353A (en) * | 2006-03-17 | 2007-09-27 | Denki Kagaku Kogyo Kk | Repair method |
| WO2013058489A2 (en) * | 2011-10-21 | 2013-04-25 | 주식회사 대동엔지니어링 | Polyurethane-based cement composite, preparation method thereof, and molded product using same |
| CN106189821A (en) * | 2015-05-28 | 2016-12-07 | 通用汽车环球科技运作有限责任公司 | Coating goods and preparation method thereof |
| CN108329743A (en) * | 2017-01-18 | 2018-07-27 | 通用汽车环球科技运作有限责任公司 | Selfreparing polyurethane for painting dressing automobiles receives a micron capsule |
| CN107955509A (en) * | 2017-11-29 | 2018-04-24 | 北京佑琳生科技有限公司 | A kind of cement-based penetrant water-repellent paint |
| CN110437551A (en) * | 2019-08-19 | 2019-11-12 | 蔡美英 | A kind of self-repair type environment-protective rubber material and preparation method thereof |
| CN211223600U (en) * | 2019-12-12 | 2020-08-11 | 上汽通用汽车有限公司 | Steering gear pull rod protecting sleeve, steering gear and vehicle |
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| 靳美亮: "用于自修复涂料的微胶囊的研制", 《工程科技Ⅰ辑》 * |
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| CN112208635B (en) | 2023-01-24 |
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