CN220470475U - Low-resistance Wen Tiehuan for train bearing - Google Patents
Low-resistance Wen Tiehuan for train bearing Download PDFInfo
- Publication number
- CN220470475U CN220470475U CN202321832088.4U CN202321832088U CN220470475U CN 220470475 U CN220470475 U CN 220470475U CN 202321832088 U CN202321832088 U CN 202321832088U CN 220470475 U CN220470475 U CN 220470475U
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- Prior art keywords
- bearing
- ring
- low
- sealing cover
- limiting
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- 238000007789 sealing Methods 0.000 claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a low-temperature-resistant iron ring for a train bearing, which relates to the technical field of bearings and comprises a bearing outer ring and a bearing inner ring, wherein a first limiting ring is arranged in the middle of the inner wall of the bearing outer ring, the bearing inner ring is axially symmetrically arranged in the bearing outer ring, two groups of second limiting rings are symmetrically arranged on two sides of the bearing inner ring, a third limiting ring is arranged in the middle of the outer wall of the bearing inner ring, a needle roller placing groove is formed among the first limiting ring, the second limiting ring and the third limiting ring, and a plurality of needle rollers are embedded in the needle roller placing groove, and the low-temperature-resistant iron ring is characterized by further comprising: the bearing sealing cover is embedded and installed on the bearing inner ring and used for sealing and protecting the needle roller placing groove, clamping buckles are symmetrically arranged on the inner side of the bearing sealing cover, and the clamping buckles correspond to the third limiting ring in position. The double-layer needle roller effectively reduces the loosening phenomenon, has a simple structure, is low-temperature resistant and prolongs the service life.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a low-temperature-resistant iron ring for a train bearing.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient during its movement and ensure its rotation accuracy, and since many rotating "shafts" are used in various machines, the bearings become an indispensable part, called "foodstuff in mechanical industry".
However, when the bearing is used in special situations and severe environments, such as chemical industry, fluid industry, smelting, food, electronics, semiconductors, medical treatment, vacuum, magnetic insulation and the like, the steel bearing is easy to corrode and rust, cannot resist low temperature, is insufficient in bearing lubrication and the like, and the plastic bearing is easy to loose and cannot resist high temperature, so that the working efficiency of the bearing is influenced, and the service life of the bearing is reduced.
Disclosure of Invention
The present utility model has been made in view of the above-described problems with the conventional bearings.
Therefore, the utility model aims to provide the low-temperature-resistant iron ring for the train bearing, which solves the problems that the working efficiency of the bearing is affected by special conditions and severe environments and the service life of the bearing is shortened.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a train bearing is with low temperature resistant iron ring, includes bearing outer lane and bearing inner race, bearing outer lane inner wall middle part position is provided with first spacing ring, the bearing inner race is the axle center symmetry setting inside the bearing outer lane, bearing inner race bilateral symmetry is provided with two sets of second spacing rings, bearing inner race outer wall middle part position is provided with the third spacing ring, be formed with the bearing pin standing groove between first spacing ring, second spacing ring and the third spacing ring, the several bearing pin is installed in the gomphosis of bearing pin standing groove, low its characterized in that still includes:
the bearing sealing cover is embedded and installed on the bearing inner ring and used for sealing and protecting the needle roller placing groove, clamping buckles are symmetrically arranged on the inner side of the bearing sealing cover, and the clamping buckles correspond to the second limiting rings in position.
Preferably, the surfaces of the two groups of second limiting rings are provided with annular grooves, and the clamping buckles on the inner sides of the bearing sealing covers are clamped and installed in the annular grooves on the surfaces of the second limiting rings.
Preferably, a buckling part is arranged at the edge of the bearing sealing cover, and the diameter of the bearing sealing cover is the same as that of the bearing outer ring.
Preferably, a through hole is formed in the middle of the bearing sealing cover, and the through hole is matched with the bearing inner ring.
Furthermore, the sealing rubber strip is annularly arranged at the position, close to the edge, of the inner side of the bearing sealing cover, anti-corrosion paint is sprayed on the surface of the sealing rubber strip, and the anti-corrosion paint is epoxy resin paint.
Preferably, circular grooves are distributed on the inner wall of the bearing outer ring between the two sides of the first limiting ring and the second limiting ring and the third limiting ring on the outer wall of the bearing inner ring in an annular array.
Preferably, the bearing outer ring, the bearing inner ring and the needle roller are all made of ceramic materials made of silicon carbide, and lubricating oil is sprayed on the inner wall of the bearing outer ring and the outer wall of the bearing inner ring.
In the technical scheme, the utility model has the technical effects and advantages that:
according to the utility model, the circular grooves are formed in the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, so that the stability of the needle roller in the needle roller placing groove can be ensured, the friction between the needle roller and the bearing outer ring and the bearing inner ring is reduced, and the bearing damage caused by friction is reduced.
The bearing outer ring, the bearing inner ring and the needle roller are all made of ceramic materials made of silicon carbide, so that the integral hardness of the bearing can be ensured, the low temperature resistance and the high temperature resistance of the bearing can be improved, and meanwhile, electric arcs are not easy to generate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of the structure of a bearing seal cap of the present utility model;
fig. 4 is an enlarged schematic view of a partial structure of the present utility model.
Reference numerals illustrate:
1. a bearing outer ring; 2. a bearing inner ring; 3. a needle roller placement groove; 4. needle roller; 5. a first stop collar; 6. a circular groove; 7. a second limiting ring; 8. a third limiting ring; 9. an annular groove; 10. a bearing sealing cover; 11. a clamping buckle; 12. a buckling part; 13. a through hole; 14. and (5) sealing the adhesive tape.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a low-temperature-resistant iron ring for a train bearing.
The utility model provides a low-temperature-resistant iron ring for a train bearing, which is shown in figures 1-4, and comprises a bearing outer ring 1 and a bearing inner ring 2, wherein a first limiting ring 5 is arranged at the middle position of the inner wall of the bearing outer ring 1, the bearing inner ring 2 is axially symmetrically arranged in the bearing outer ring 1, two groups of second limiting rings 7 are symmetrically arranged at two sides of the bearing inner ring 2, a third limiting ring 8 is arranged at the middle position of the outer wall of the bearing inner ring 2, a needle roller placing groove 3 is formed among the first limiting ring 5, the second limiting ring 7 and the third limiting ring 8, and a plurality of needle rollers 4 are embedded in the needle roller placing groove 3, and the low-temperature-resistant iron ring is characterized by further comprising:
the bearing sealing cover 10 is embedded and installed on the bearing inner ring 2 and used for sealing and protecting the needle roller placing groove 3, clamping buckles 11 are symmetrically arranged on the inner side of the bearing sealing cover 10, and the clamping buckles 11 correspond to the second limiting rings 7 in position.
The annular grooves 9 formed in the inner wall of the bearing outer ring 1 and the outer wall of the bearing inner ring 2 are evenly distributed in the needle roller placing grooves 3 between the bearing outer ring 1 and the bearing inner ring 2, the stability of the circular needle roller 4 in the needle roller placing grooves 3 is not affected, friction between the needle roller 4 and the bearing outer ring and the bearing inner ring 2 is reduced, the service life of the bearing is prolonged, the annular grooves 9 formed in the surfaces of the second limiting rings 7 on the two sides of the bearing inner ring 2 are matched with the clamping buckles 11 on the inner side of the bearing sealing cover 10, the bearing sealing cover is buckled on the two sides of the bearing outer ring 1 and the bearing inner ring 2 through the annular grooves 9 and the clamping buckles 11, the sealing performance of the bearing is improved, the overall reliability of the bearing is improved, the bearing outer ring 1, the bearing inner ring 2 and the needle roller 4 are made of ceramic materials, the hardness of the bearing can be guaranteed, the low temperature resistance and the high temperature resistance of the bearing can be increased, meanwhile, the arc is not easy to generate, and the work efficiency is improved.
In order to ensure the connection stability of the bearing sealing cover 10 and the bearing inner ring 2, as shown in fig. 1-4, annular grooves 9 are formed on the surfaces of the two groups of second limiting rings 7, clamping buckles 11 on the inner sides of the bearing sealing cover 10 are clamped and installed in the annular grooves 9 on the surfaces of the second limiting rings 7, protruding tips are arranged at the tail ends of the clamping buckles 11, and the overall reliability of the bearing is improved.
In order to facilitate the installation and the disassembly of the sealing cover 10, as shown in fig. 1 and 3, a buckling part 12 is arranged at the edge of the sealing cover 10, the diameter of the sealing cover 10 is the same as that of the outer ring 1, the sealing cover is of a cap-shaped structure, the buckling part 12 is obliquely upwards arranged, and the buckling part 12 is conveniently buckled by an operator.
In order to normally install the bearing on the rotating shaft, as shown in fig. 1-4, a through hole 13 is formed in the middle of the bearing sealing cover 10, and the through hole 13 is matched with the bearing inner ring 2;
specifically, the two sides of the bearing are respectively provided with a bearing sealing cover 10 through annular concave shapes 9 on the second limiting ring 7, and when the two bearing sealing covers 10 are clamped on the two sides of the bearing inner ring 2, through holes 13 on the bearing sealing covers 10 are opposite to the bearing inner ring 2, so that the rotating shaft is conveniently arranged in the bearing inner ring 2.
In order to increase the sealing effect of the bearing, as shown in fig. 3, the sealing rubber strip 14 is annularly arranged at the inner side of the bearing sealing cover 10 near the edge, the surface of the sealing rubber strip 14 is sprayed with an anti-corrosion coating, the anti-corrosion coating is an epoxy resin coating, the sealing performance of the sealing cover 10 and the bearing is further improved through the sealing rubber strip 14, and the corrosion of engine oil to the sealing rubber strip 10 during long-time use is reduced through the sprayed anti-corrosion coating.
Meanwhile, in order to reduce friction between the needle roller 4 and the inner ring and the outer ring of the bearing, as shown in fig. 1-2, circular grooves 6 are distributed in an annular array between the two sides of the first limiting ring 5 and the outer wall of the inner ring 2 of the bearing and between the second limiting ring 7 and the third limiting ring 8;
further stated, through the circular groove 6, the needle roller 4 can stably slide in the needle roller placing groove 3, friction between the inner ring and the outer ring of the bearing and the needle roller 4 can be greatly reduced, and the service life of the bearing is prolonged.
Meanwhile, based on the problem that the rolling needle 4 rubs with the bearing outer ring 1 and the bearing inner ring 2 for a long time to draw down the bearing outer ring 1 and the bearing inner ring 2 to have the service life, as shown in fig. 1, the bearing outer ring 1, the bearing inner ring 2 and the rolling needle 4 are all made of ceramic materials made of silicon carbide, and lubricating oil is sprayed on the inner wall of the bearing outer ring 1 and the outer wall of the bearing inner ring 2;
for the service life problem, in order to ensure the hardness of the bearing, the low temperature resistance and the high temperature resistance of the bearing are improved, the bearing is made of silicon carbide, and the lubricating oil is sprayed on the surface of the needle roller placing groove 3, so that the damage of the bearing caused by friction can be effectively reduced.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a train bearing is with low temperature resistant iron ring, includes bearing outer lane (1) and bearing inner race (2), bearing outer lane (1) inner wall middle part position is provided with first spacing ring (5), bearing inner race (2) are the axisymmetric setting inside bearing outer lane (1), bearing inner race (2) bilateral symmetry is provided with two sets of second spacing rings (7), bearing inner race (2) outer wall middle part position is provided with third spacing ring (8), be formed with kingpin standing groove (3) between first spacing ring (5), second spacing ring (7) and third spacing ring (8), several kingpin (4) are installed in the gomphosis of kingpin standing groove (3), low its characterized in that still includes:
the bearing sealing cover (10) is embedded and installed on the bearing inner ring (2) and used for sealing and protecting the needle roller placing grooves (3), clamping buckles (11) are symmetrically arranged on the inner side of the bearing sealing cover (10), and the clamping buckles (11) correspond to the second limiting rings (7) in position.
2. The low-temperature-resistant iron ring for the train bearing according to claim 1, wherein the surfaces of the two groups of second limiting rings (7) are provided with annular grooves (9), and the clamping buckles (11) on the inner side of the bearing sealing cover (10) are clamped and installed in the annular grooves (9) on the surfaces of the second limiting rings (7).
3. The low-temperature-resistant iron ring for the train bearing according to claim 1, wherein a buckling part (12) is arranged at the edge of the bearing sealing cover (10), and the diameter of the bearing sealing cover (10) is the same as the diameter of the bearing outer ring (1).
4. The low-temperature-resistant iron ring for the train bearing according to claim 1, wherein a through hole (13) is formed in the middle of the bearing sealing cover (10), and the through hole (13) is matched with the bearing inner ring (2).
5. The low-temperature-resistant iron ring for the train bearing, according to claim 1, is characterized in that a sealing rubber strip (14) is annularly arranged at the position, close to the edge, of the inner side of the bearing sealing cover (10), anti-corrosion paint is sprayed on the surface of the sealing rubber strip (14), and the anti-corrosion paint is epoxy resin paint.
6. The low-temperature-resistant iron ring for the train bearing according to claim 1, wherein circular grooves (6) are distributed in an annular array between two sides of the first limiting ring (5) on the inner wall of the bearing outer ring (1) and the outer wall of the bearing inner ring (2) and between the second limiting ring (7) and the third limiting ring (8).
7. The low-temperature-resistant iron ring for the train bearing according to claim 4, wherein the bearing outer ring (1), the bearing inner ring (2) and the needle rollers (4) are all made of ceramic materials made of silicon carbide, and lubricating oil is sprayed on the inner wall of the bearing outer ring (1) and the outer wall of the bearing inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832088.4U CN220470475U (en) | 2023-07-13 | 2023-07-13 | Low-resistance Wen Tiehuan for train bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832088.4U CN220470475U (en) | 2023-07-13 | 2023-07-13 | Low-resistance Wen Tiehuan for train bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470475U true CN220470475U (en) | 2024-02-09 |
Family
ID=89803533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321832088.4U Active CN220470475U (en) | 2023-07-13 | 2023-07-13 | Low-resistance Wen Tiehuan for train bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470475U (en) |
-
2023
- 2023-07-13 CN CN202321832088.4U patent/CN220470475U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |