CN211975667U - Fretting wear resistant bearing - Google Patents
Fretting wear resistant bearing Download PDFInfo
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- CN211975667U CN211975667U CN202020496793.1U CN202020496793U CN211975667U CN 211975667 U CN211975667 U CN 211975667U CN 202020496793 U CN202020496793 U CN 202020496793U CN 211975667 U CN211975667 U CN 211975667U
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Abstract
The utility model provides an anti fretting wear bearing, relate to the bearing technology field, including bearing inner race and bearing inner race, bearing inner race inner wall sets up the outer lane raceway of spill structure, bearing inner race outer wall sets up the inner circle raceway of spill structure, and bearing inner race mutually support, be equipped with spherical ball between bearing inner race and the bearing outer race, and place in between outer lane raceway and the inner circle raceway spherical ball, bearing inner race surface runs through there is an opening, the opening both sides set up the adjustment tank, the adjustment tank both sides have seted up the regulation hole, through setting up the chip storage groove on bearing inner race inner wall, install the bearing on the transmission shaft, the transmission shaft drives bearing inner race and rotates, because the chip storage groove adopts the taper shape, thereby reduced the coefficient of friction between bearing inner race and the transmission shaft, reduce frictional force, and the produced abrasive dust of friction between transmission shaft and the bearing inner race drops in the chip storage groove, the abrasion of the bearing inner ring caused by abrasive dust is prevented, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to a bearing field especially relates to an anti fretting wear bearing.
Background
The bearing is an important part in the current mechanical equipment, has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, is an indispensable basic part in the current mechanical equipment, is widely applied in various industries of national economy, and has the decisive effect on the precision, the performance, the service life and the reliability of a main machine.
According to the difference of motion element frictional property, the bearing can be divided into antifriction bearing and slide bearing two categories, when installing, install antifriction bearing's inner circle on the transmission shaft, to some antifriction bearing, the transmission shaft drives antifriction bearing's inner circle and rotates, thereby make to produce the friction between the inner wall of bearing inner circle and the outer wall of transmission shaft, the outer wall that leads to causing the inner wall of bearing inner circle and transmission shaft produces the abrasive dust, and the abrasive dust that produces through the friction can accelerate the wearing and tearing of bearing inner circle inner wall, thereby influence the life of bearing, therefore, need a bearing that can reduce wearing and tearing.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing an anti-fretting wear bearing.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the bearing inner ring is characterized in that an outer ring raceway with a concave structure is formed in the inner wall of the bearing outer ring, an inner ring raceway with a concave structure is formed in the outer wall of the bearing inner ring, the bearing outer ring and the bearing inner ring are matched with each other, spherical balls are arranged between the bearing outer ring and the bearing inner ring, the spherical balls are arranged between the outer ring raceway and the inner ring raceway, an opening penetrates through the surface of the bearing outer ring, adjusting grooves are formed in two sides of the opening, and adjusting holes are formed in two sides of the adjusting grooves.
Preferably, the surface of the bearing outer ring is provided with a sealing cover, the sealing cover corresponds to an opening on the surface of the bearing outer ring, two sides of the sealing cover are welded with the embedded block, the embedded block is inserted into the adjusting groove, the surface of the embedded block is provided with a through hole, and the through hole corresponds to the adjusting hole.
Preferably, the sealing cover is provided with a fixing rod, the fixing rod penetrates through the adjusting hole in the adjusting groove and the through hole in the embedding block, the surface of the fixing rod is provided with a fixing block, and the fixing block is fixedly connected with the surface of the fixing rod.
Preferably, the outside of the spherical ball is provided with a retainer, the spherical ball is sleeved on the retainer, the adjacent spherical balls are connected together through the retainer, the bearing inner ring is provided with a ball groove, and the spherical ball is arranged in the ball groove.
Preferably, a left dust-blocking ring and a right dust-blocking ring are arranged between the bearing outer ring and the bearing inner ring, the left dust-blocking ring is fixed in the left outer ring raceway and the left inner ring raceway, and the right dust-blocking ring is fixed in the right outer ring raceway and the right inner ring raceway.
Preferably, the circumferential surface of the bearing outer ring is provided with a reinforcing ring, the reinforcing ring is matched with the circumferential surface of the bearing outer ring, the inner wall of the bearing inner ring is provided with a plurality of chip storage grooves, the chip storage grooves are conical, the side wall of the bearing inner ring is provided with an oil inlet, and the bearing inner ring is provided with an oil duct.
Preferably, the oil passage on the inner wall of the bearing inner ring is communicated with the oil inlet on the side wall of the bearing inner ring.
Advantageous effects
1. The utility model discloses in, adopt the chip groove, realize reducing the abrasive dust and produce the friction to the bearing inner race, through setting up the chip groove on the bearing inner race inner wall, install the bearing on the transmission shaft, the transmission shaft drives the bearing inner race and rotates, when rotating, because the chip groove adopts the taper shape, thereby reduced the coefficient of friction between bearing inner race and the transmission shaft, reduce frictional force, and the abrasive dust that produces between transmission shaft and the bearing inner race drops in the chip groove, prevent that the abrasive dust from producing wearing and tearing to the bearing inner race, improved the life of bearing;
2. the utility model discloses in, adopt the oil inlet, realize adding the lubrication action between bearing inner race and the transmission shaft, through at bearing inner race side wall mounting oil inlet, add lubricating oil through the oil inlet, lubricating oil gets into the oil duct through the oil inlet in, through the oil duct, lubricating oil falls bearing inner race inner wall and transmission shaft surface, play the lubrication action between the transmission shaft of bearing inner race and bearing inner race suit, be convenient for the separation of transmission shaft and bearing inner race, and can not cause wearing and tearing to bearing and transmission shaft.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an fretting wear resistant bearing provided by the present invention;
fig. 2 is a schematic structural view of an outer ring of an fretting wear resistant bearing provided by the present invention;
fig. 3 is a schematic view of an inner ring structure of an fretting wear resistant bearing provided by the present invention;
fig. 4 is a schematic structural view of a position a of the anti-fretting bearing provided by the utility model.
Illustration of the drawings:
1. a bearing outer race; 101. an outer ring raceway; 102. an opening; 103. an adjustment groove; 104. an adjustment hole; 2. a bearing inner race; 201. an inner race raceway; 202. an oil inlet; 203. an oil passage; 3. a sealing cover; 301. embedding a block; 302. a through hole; 303. fixing the rod; 304. a fixed block; 4. a spherical ball; 5. a holder; 6. a ball groove; 7. a chip storage groove; 8. reinforcing rings; 9. a left dust ring; 10. the right side keeps off the dirt circle.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
The specific embodiment is as follows:
referring to fig. 1-4, an anti-fretting wear bearing comprises a bearing outer ring 1 and a bearing inner ring 2, wherein an outer ring raceway 101 with a concave structure is arranged on the inner wall of the bearing outer ring 1, an inner ring raceway 201 with a concave structure is arranged on the outer wall of the bearing inner ring 2, the bearing outer ring 1 and the bearing inner ring 2 are matched with each other, spherical balls 4 are arranged between the bearing outer ring 1 and the bearing inner ring 2, the spherical balls 4 are arranged between the outer ring raceway 101 and the inner ring raceway 201, an opening 102 penetrates through the surface of the bearing outer ring 1, adjusting grooves 103 are arranged on two sides of the opening 102, adjusting holes 104 are arranged on two sides of the adjusting grooves 103, a sealing cover 3 is arranged on the surface of the bearing outer ring 1, the sealing cover 3 corresponds to the opening 102 on the surface of the bearing outer ring 1, embedding blocks 301 are welded on two sides of the sealing cover 3, the embedding blocks 301 are inserted into, the outer part of the spherical ball 4 is provided with a retainer 5, the spherical ball 4 is sleeved on the retainer 5, the adjacent spherical balls 4 are connected together through the retainer 5, the bearing inner ring 2 is provided with a ball groove 6, the spherical ball 4 is arranged in the ball groove 6, a left dust ring 9 and a right dust ring 10 are arranged between the bearing outer ring 1 and the bearing inner ring 2, the left dust ring 9 is fixed in the left outer ring raceway 101 and the inner ring raceway 201, the right dust ring 10 is fixed in the right outer ring raceway 101 and the inner ring raceway 201, the sealing cover 3 is provided with a fixing rod 303, the fixing rod 303 passes through an adjusting hole 104 on the adjusting groove 103 and a through hole 302 on the embedding block 301, the surface of the fixing rod 303 is provided with a fixing block 304, the fixing block 304 is fixedly connected with the surface of the fixing rod, the peripheral surface of the bearing outer ring 1 is provided with a reinforcing ring 8, and the, the inner wall of the bearing inner ring 2 is provided with a plurality of chip storage grooves 7, the chip storage grooves 7 are conical, the chip storage grooves 7 are arranged on the inner wall of the bearing inner ring 2, the bearing is installed on a transmission shaft, the transmission shaft drives the bearing inner ring 2 to rotate, when the bearing inner ring 2 rotates, the chip storage grooves 7 are conical, so that the friction coefficient between the bearing inner ring 2 and the transmission shaft is reduced, the friction force is reduced, grinding chips generated by friction between the transmission shaft and the bearing inner ring 2 fall into the chip storage grooves 7, the bearing inner ring 2 is prevented from being abraded by the grinding chips, the service life of the bearing is prolonged, the side wall of the bearing inner ring 2 is provided with an oil inlet 202, the bearing inner ring 2 is provided with an oil channel 203, the oil channel 203 on the inner wall of the bearing inner ring 2 is communicated with the oil inlet 202 on the side wall of the bearing inner ring, lubricating oil enters the oil channel 203 through the oil inlet 202, and through the oil channel 203, the lubricating oil falls on the inner wall of the bearing inner ring 2 and the surface of the transmission shaft, so that the lubricating effect is achieved between the bearing inner ring 2 and the transmission shaft sleeved with the bearing inner ring 2, the transmission shaft is convenient to separate from the bearing inner ring 2, and the bearing and the transmission shaft cannot be abraded.
The utility model discloses a theory of operation: an opening 102 is formed in the surface of the bearing outer race 1, so that the spherical balls 4 can be put in and taken out through the opening 102, an adjusting groove 103 is arranged on the surface of the bearing outer ring 1, a sealing cover 3 matched with the opening 102 is arranged, the sealing cover 3 is embedded into the adjusting groove 103 through embedding blocks 301 at two sides, the bearing outer ring 1 is sealed, the surface of the bearing outer ring 1 is kept smooth, the bearing is not influenced to be fixed on the side wall of the bearing outer ring 1, the adjusting hole 104 and the side wall of the embedded block 301 are provided with the through hole 302, the adjusting hole 104 corresponds to the through hole 302 in size, the fixing rod 303 is inserted into the through hole to fix the sealing cover 3 and the bearing outer ring 1, the side wall of the bearing inner ring 2 is provided with the oil inlet 202, lubricating oil is put into the oil inlet 202, the inner wall of the bearing is lubricated, the inner wall of the bearing inner ring 2 is provided with a chip storage groove 7, and abrasive dust generated by friction is stored, so that the abrasive dust is prevented from accelerating the abrasion of the rotating shaft inner ring.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an anti fretting wear bearing, includes bearing inner race (2) and bearing outer lane (1), its characterized in that: the bearing inner race (1) inner wall is provided with an outer race raceway (101) with a concave structure, the outer wall of the bearing inner race (2) is provided with an inner race raceway (201) with a concave structure, the bearing outer race (1) is matched with the bearing inner race (2), spherical balls (4) are arranged between the bearing outer race (1) and the bearing inner race (2), the spherical balls (4) are arranged between the outer race raceway (101) and the inner race raceway (201) in a built-in mode, an opening (102) penetrates through the surface of the bearing outer race (1), adjusting grooves (103) are formed in two sides of the opening (102), and adjusting holes (104) are formed in two sides of each adjusting groove (103).
2. An anti-fretting bearing according to claim 1, wherein: bearing inner race (1) surface is equipped with sealed lid (3), and sealed lid (3) and bearing inner race (1) surface opening (102) locate corresponding, sealed lid (3) two survey the welding have embedding piece (301), and embedding piece (301) insert in adjustment tank (103), through-hole (302) have been seted up on embedding piece (301) surface, and through-hole (302) are corresponding with regulation hole (104).
3. An anti-fretting bearing according to claim 2, wherein: the sealing cover (3) is provided with a fixing rod (303), the fixing rod (303) penetrates through an adjusting hole (104) in an adjusting groove (103) and a through hole (302) in an embedding block (301), a fixing block (304) is arranged on the surface of the fixing rod (303), and the fixing block (304) is fixedly connected with the surface of the fixing rod (303).
4. An anti-fretting bearing according to claim 1, wherein: the ball bearing is characterized in that a retainer (5) is arranged outside the spherical balls (4), the spherical balls (4) are sleeved on the retainer (5), the adjacent spherical balls (4) are connected together through the retainer (5), a ball groove (6) is formed in the bearing inner ring (2), and the spherical balls (4) are installed in the ball groove (6).
5. An anti-fretting bearing according to claim 1, wherein: a left dust blocking ring (9) and a right dust blocking ring (10) are arranged between the bearing outer ring (1) and the bearing inner ring (2), the left dust blocking ring (9) is fixed in the left outer ring roller path (101) and the left inner ring roller path (201), and the right dust blocking ring (10) is fixed in the right outer ring roller path (101) and the right inner ring roller path (201).
6. An anti-fretting bearing according to claim 1, wherein: the bearing inner race (2) is characterized in that a reinforcing ring (8) is arranged on the circumferential surface of the bearing outer race (1), the reinforcing ring (8) is matched with the circumferential surface of the bearing outer race (1), a plurality of chip storage grooves (7) are formed in the inner wall of the bearing inner race (2), the chip storage grooves (7) are conical, an oil inlet (202) is formed in the side wall of the bearing inner race (2), and an oil duct (203) is formed in the bearing inner race (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496793.1U CN211975667U (en) | 2020-04-08 | 2020-04-08 | Fretting wear resistant bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496793.1U CN211975667U (en) | 2020-04-08 | 2020-04-08 | Fretting wear resistant bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975667U true CN211975667U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496793.1U Active CN211975667U (en) | 2020-04-08 | 2020-04-08 | Fretting wear resistant bearing |
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| CN (1) | CN211975667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
| CN114776711A (en) * | 2022-04-13 | 2022-07-22 | 深圳大华轴承有限公司 | New energy automobile high speed bearing and transmission device using same |
-
2020
- 2020-04-08 CN CN202020496793.1U patent/CN211975667U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
| CN112283241B (en) * | 2020-11-03 | 2024-03-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separated turntable bearing |
| CN114776711A (en) * | 2022-04-13 | 2022-07-22 | 深圳大华轴承有限公司 | New energy automobile high speed bearing and transmission device using same |
| CN114776711B (en) * | 2022-04-13 | 2023-08-22 | 深圳大华轴承有限公司 | New energy automobile high-speed bearing and transmission device using same |
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