CN220396265U - High-temperature-resistant thin-wall bearing convenient for heat dissipation - Google Patents
High-temperature-resistant thin-wall bearing convenient for heat dissipation Download PDFInfo
- Publication number
- CN220396265U CN220396265U CN202321949581.4U CN202321949581U CN220396265U CN 220396265 U CN220396265 U CN 220396265U CN 202321949581 U CN202321949581 U CN 202321949581U CN 220396265 U CN220396265 U CN 220396265U
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- China
- Prior art keywords
- coating
- resistance
- high temperature
- wall bearing
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 61
- 238000000576 coating method Methods 0.000 claims abstract description 61
- 238000005260 corrosion Methods 0.000 claims abstract description 25
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910003470 tongbaite Inorganic materials 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 18
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 239000002253 acid Substances 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the technical field of thin-wall bearings, and discloses a high-temperature-resistant thin-wall bearing convenient for heat dissipation, which comprises an outer ring, an inner ring and a retainer, wherein the retainer is arranged on the inner side of the outer ring and the outer side of the inner ring, and rolling elements are arranged on the inner side of the retainer; the outer ring comprises a first substrate layer, an organosilicon high-temperature-resistant anti-corrosion coating and a polytetrafluoroethylene coating, the inner ring comprises a second substrate layer, a hard alloy layer and a chromium carbide coating, and the organosilicon high-temperature-resistant anti-corrosion coating is coated on the outer surface of the first substrate layer. The thin-wall bearing can effectively improve the overall high temperature resistance by arranging the organic silicon high temperature resistant anticorrosive coating and the polytetrafluoroethylene coating, wherein the organic silicon high temperature resistant anticorrosive coating not only has excellent corrosion resistance, but also has the advantages of cold and heat alternation resistance, chemical gas corrosion resistance, weather resistance, aging resistance, water resistance and oxidation resistance, and the polytetrafluoroethylene coating has the effects of acid and alkali resistance, corrosion resistance and excellent high temperature resistance.
Description
Technical Field
The utility model relates to the technical field of thin-wall bearings, in particular to a high-temperature-resistant thin-wall bearing convenient for heat dissipation.
Background
The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process, ensuring the rotation precision, realizing the extremely thin bearing section of the thin-wall bearing and realizing the miniaturization and the light weight of the product. The diversity of the products expands the range of applications.
The thin-wall bearing is needed in the transmission of the mechanical part, but the high-temperature resistant effect of the existing thin-wall bearing is not ideal, heat can be generated in the transmission process of the mechanical part due to the fact that the thin-wall bearing continuously rotates at a high speed, if a high-temperature resistant structure is not adopted, the thin-wall bearing can deform due to high temperature after long-time use, the mechanical part cannot be transmitted, and therefore the mechanical part is inconvenient to use.
Accordingly, a high temperature resistant thin wall bearing is provided by those skilled in the art to facilitate heat dissipation to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a high-temperature-resistant thin-wall bearing convenient for heat dissipation so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the high-temperature-resistant thin-wall bearing comprises an outer ring, an inner ring and a retainer, wherein the retainer is arranged on the inner side of the outer ring and the outer side of the inner ring, and rolling elements are arranged on the inner side of the retainer;
the outer ring comprises a first substrate layer, an organosilicon high-temperature-resistant anticorrosive coating and a polytetrafluoroethylene coating, and the inner ring comprises a second substrate layer, a hard alloy layer and a chromium carbide coating.
As still further aspects of the utility model: the organosilicon high-temperature-resistant anti-corrosion coating is coated on the outer surface of the first substrate layer, and the polytetrafluoroethylene coating is coated on the outer surface of the organosilicon high-temperature-resistant anti-corrosion coating.
As still further aspects of the utility model: the hard alloy layer is arranged on the outer surface of the second substrate layer, and the chromium carbide coating is arranged on the outer surface of the hard alloy layer.
As still further aspects of the utility model: sealing rings are arranged on the left side and the right side of the inner side of the outer ring and the inner ring, and the sealing rings are tightly attached to the inner sides of the outer ring and the inner ring.
As still further aspects of the utility model: the inner side of the outer ring is provided with a first rolling groove, and the outer side of the inner ring is provided with a second rolling groove.
As still further aspects of the utility model: the thickness of the organosilicon high-temperature-resistant anticorrosive coating is consistent with that of the polytetrafluoroethylene coating, and the thickness of the organosilicon high-temperature-resistant anticorrosive coating is 1.6mm-1.8mm.
As still further aspects of the utility model: the thicknesses of the hard alloy layer and the chromium carbide coating are consistent, and the thicknesses of the hard alloy layer and the chromium carbide coating are 3.5mm-3.8mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model can effectively improve the overall high temperature resistance by arranging the organosilicon high temperature resistant anticorrosive coating and the polytetrafluoroethylene coating, wherein the organosilicon high temperature resistant anticorrosive coating not only has excellent corrosion resistance, but also has the advantages of cold and heat alternation resistance, chemical gas corrosion resistance, weather resistance, aging resistance, water resistance and oxidation resistance, and the polytetrafluoroethylene coating has the effects of acid and alkali resistance, corrosion resistance and excellent high temperature resistance.
2. The utility model can effectively improve the wear resistance of the inner ring and avoid reducing the thickness and the service life of the inner ring by arranging the hard alloy layer and the chromium carbide coating, wherein the hard alloy layer has the excellent properties of high hardness, high strength, wear resistance, better toughness, heat resistance, corrosion resistance and the like, and the chromium carbide coating has good wear resistance, corrosion resistance and oxidation resistance.
Drawings
FIG. 1 is a schematic structural view of a high temperature resistant thin wall bearing for facilitating heat dissipation;
FIG. 2 is a schematic view of a structure of a high temperature resistant thin wall bearing in a disassembled state for heat dissipation;
FIG. 3 is a schematic view of the structure of an outer ring in a high temperature resistant thin wall bearing for facilitating heat dissipation;
fig. 4 is a schematic diagram of an inner ring structure of a high temperature resistant thin wall bearing for facilitating heat dissipation.
In the figure: 1. an outer ring; 101. a first substrate layer; 102. a high-temperature-resistant anticorrosive organosilicon coating; 103. a polytetrafluoroethylene coating; 2. an inner ring; 201. a second substrate layer; 202. a cemented carbide layer; 203. a chromium carbide coating; 3. a seal ring; 4. a rolling element; 5. a retainer; 6. a first rolling groove; 7. and a second rolling groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a high temperature resistant thin wall bearing for facilitating heat dissipation comprises an outer ring 1, an inner ring 2 and a retainer 5, wherein the retainer 5 is arranged on the inner side of the outer ring 1 and the outer side of the inner ring 2, and rolling elements 4 are arranged on the inner side of the retainer 5;
the outer ring 1 comprises a first substrate layer 101, a silicone high temperature resistant corrosion resistant coating 102 and a polytetrafluoroethylene coating 103, and the inner ring 2 comprises a second substrate layer 201, a cemented carbide layer 202 and a chromium carbide coating 203.
Specifically, the organosilicon high temperature resistant anticorrosive coating 102 is coated on the outer surface of the first substrate layer 101, and the polytetrafluoroethylene coating 103 is coated on the outer surface of the organosilicon high temperature resistant anticorrosive coating 102.
Through the technical scheme, the high-temperature-resistant anticorrosive coating 102 and the polytetrafluoroethylene coating 103 are arranged, so that the overall high-temperature resistance can be effectively improved, wherein the high-temperature-resistant anticorrosive coating 102 has excellent anticorrosive performance, and is resistant to cold and hot alternation, chemical gas corrosion, weather resistance, aging resistance, water resistance and oxidation, and the polytetrafluoroethylene coating 103 has acid and alkali resistance, corrosion resistance and excellent high-temperature resistance.
Specifically, the cemented carbide layer 202 is disposed on the outer surface of the second substrate layer 201, and the chromium carbide coating 203 is disposed on the outer surface of the cemented carbide layer 202.
Through the technical scheme, the wear resistance of the inner ring 2 can be effectively improved by arranging the hard alloy layer 202 and the chromium carbide coating 203, and the reduction of the thickness and the service life of the inner ring due to long-time rotary friction can be avoided, wherein the hard alloy layer 202 has the excellent performances of high hardness, high strength, wear resistance, better toughness, heat resistance, corrosion resistance and the like, and the chromium carbide coating 203 has the excellent wear resistance, corrosion resistance and oxidation resistance.
Specifically, the left and right sides of the inner sides of the outer ring 1 and the inner ring 2 are provided with sealing rings 3, and the sealing rings 3 are tightly attached to the inner sides of the outer ring 1 and the inner ring 2.
Through above-mentioned technical scheme, through setting up sealing washer 3, can play sealed effect, improve overall structure's leakproofness.
Specifically, the inner side of the outer ring 1 is provided with a first rolling groove 6, and the outer side of the inner ring 2 is provided with a second rolling groove 7.
By the above technical solution, the rolling elements 4 can be conveniently rolled by providing the first rolling groove 6 and the second rolling groove 7.
Specifically, the thickness of the organosilicon high-temperature-resistant anticorrosive coating 102 is consistent with that of the polytetrafluoroethylene coating 103, and the thickness is 1.6mm-1.8mm.
Specifically, the cemented carbide layer 202 and the chromium carbide coating 203 are uniform in thickness and each have a thickness of 3.5mm to 3.8mm.
The working principle of the utility model is as follows: the high-temperature-resistant anticorrosive coating 102 and the polytetrafluoroethylene coating 103 are arranged, so that the overall high-temperature resistance can be effectively improved, wherein the high-temperature-resistant anticorrosive coating 102 has excellent corrosion resistance, cold and heat alternation resistance, chemical gas corrosion resistance, weather resistance, aging resistance, water resistance and oxidation resistance, the polytetrafluoroethylene coating 103 has acid and alkali resistance, corrosion resistance and excellent high-temperature resistance, the wear resistance of the inner ring 2 can be effectively improved by arranging the hard alloy layer 202 and the chromium carbide coating 203, the thickness and the service life of the hard alloy layer are prevented from being reduced by long-time rotary friction, and the hard alloy layer 202 has excellent properties of high hardness, high strength, wear resistance, better toughness, heat resistance, corrosion resistance and the like, and the chromium carbide coating 203 has excellent wear resistance, corrosion resistance and oxidation resistance.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a high temperature resistant thin wall bearing convenient to heat dissipation, includes outer loop (1), inner ring (2) and holder (5), its characterized in that: the retainer (5) is arranged on the inner side of the outer ring (1) and the outer side of the inner ring (2), and rolling elements (4) are arranged on the inner side of the retainer (5);
the outer ring (1) comprises a first substrate layer (101), a silicone high-temperature-resistant anti-corrosion coating (102) and a polytetrafluoroethylene coating (103), and the inner ring (2) comprises a second substrate layer (201), a hard alloy layer (202) and a chromium carbide coating (203).
2. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the organosilicon high-temperature-resistant anti-corrosion coating (102) is coated on the outer surface of the first substrate layer (101), and the polytetrafluoroethylene coating (103) is coated on the outer surface of the organosilicon high-temperature-resistant anti-corrosion coating (102).
3. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the hard alloy layer (202) is arranged on the outer surface of the second substrate layer (201), and the chromium carbide coating (203) is arranged on the outer surface of the hard alloy layer (202).
4. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the outer ring (1) and the inner side of the inner ring (2) are provided with sealing rings (3) on the left side and the right side, and the sealing rings (3) are tightly attached to the inner sides of the outer ring (1) and the inner ring (2).
5. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the inner side of the outer ring (1) is provided with a first rolling groove (6), and the outer side of the inner ring (2) is provided with a second rolling groove (7).
6. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the thickness of the organosilicon high-temperature-resistant anticorrosive coating (102) is consistent with that of the polytetrafluoroethylene coating (103), and the thickness is 1.6mm-1.8mm.
7. The high temperature resistant thin wall bearing for facilitating heat dissipation according to claim 1, wherein: the thicknesses of the hard alloy layer (202) and the chromium carbide coating (203) are consistent, and the thicknesses are 3.5mm-3.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949581.4U CN220396265U (en) | 2023-07-24 | 2023-07-24 | High-temperature-resistant thin-wall bearing convenient for heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949581.4U CN220396265U (en) | 2023-07-24 | 2023-07-24 | High-temperature-resistant thin-wall bearing convenient for heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396265U true CN220396265U (en) | 2024-01-26 |
Family
ID=89611942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321949581.4U Active CN220396265U (en) | 2023-07-24 | 2023-07-24 | High-temperature-resistant thin-wall bearing convenient for heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396265U (en) |
-
2023
- 2023-07-24 CN CN202321949581.4U patent/CN220396265U/en active Active
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