CN112983975B - Low-temperature-resistant self-compensating clearance bearing - Google Patents
Low-temperature-resistant self-compensating clearance bearing Download PDFInfo
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- CN112983975B CN112983975B CN202110083891.1A CN202110083891A CN112983975B CN 112983975 B CN112983975 B CN 112983975B CN 202110083891 A CN202110083891 A CN 202110083891A CN 112983975 B CN112983975 B CN 112983975B
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- inner ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of bearings, in particular to a low-temperature-resistant self-compensating clearance bearing which comprises a bearing outer ring, a bearing inner ring, a bearing sealing cover, rolling bodies and a shell, wherein the bearing inner ring is positioned in the bearing outer ring, the rolling bodies are positioned at the two ends of the outer side of the bearing inner ring, each end is provided with two rolling bodies, and the bearing outer ring and the bearing inner ring are rotationally connected through the rolling bodies. Through the design of the expansion type clearance compensation structure, the device can realize the self-compensation of the clearance in a small range, greatly reduce the loss of manpower, material resources and economy caused by the replacement of the bearing while greatly improving the production efficiency of the industry, automatically feed oil between the outer ring and the inner ring of the bearing through the structural design of oil feeding, achieve the effect of feeding oil at regular time through the control of the oil feeding controller, and be worth of more stable rotation of the inner ring of the bearing.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a low-temperature-resistant self-compensating clearance bearing.
Background
The turntable bearing is a large bearing with a special structure which integrates multiple functions of supporting, rotating, transmitting, fixing and the like, and has a plurality of forms, but the structure composition is basically the same and different, and under general conditions, the turntable bearing is provided with a mounting hole, lubricating oil and a sealing device, so that different requirements of various hosts working under different working conditions can be met; on the other hand, the turntable bearing has the characteristics of compact structure, convenient guide rotation, simple and convenient installation, easy maintenance and the like, and is widely applied to large-scale rotating devices such as hoisting and transporting machinery, constructional engineering machinery, port machinery, mining machinery, medical equipment, wind power generation equipment, radars, missile launching cradles and the like;
however, due to the reasons of materials, heat treatment, lubricating and dustproof sealing measures, processing and assembling precision, use conditions and the like, the rollers and the raceways are damaged objectively to different degrees due to friction movement, so that the movement clearance is increased, and the use cannot be met.
Disclosure of Invention
The invention aims to provide a low-temperature-resistant self-compensating clearance bearing and a using method thereof, which aim to solve the existing problems: due to the reasons of materials, heat treatment, lubricating and dustproof sealing measures, machining and assembling precision, use conditions and the like, the roller and the roller path are damaged objectively to different degrees due to friction movement, so that the movement clearance is increased, and the use cannot be met.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-temperature-resistant self-compensating clearance bearing comprises a bearing outer ring, a bearing inner ring, a bearing sealing cover, rolling bodies and a shell, wherein the bearing inner ring is positioned inside the bearing outer ring;
the inner wall of the bearing inner ring is provided with four fixing grooves, two first expansion rings and two second expansion rings are respectively fixed in the fixing grooves, the two first expansion rings are positioned in the middle two fixing grooves, and the two second expansion rings are positioned in the fixing grooves at two ends;
a heating zone is formed in the bearing outer ring, a first heating wire and a second heating wire are wound at two ends of the heating zone respectively, a signal controller is fixed at the top end of the bearing outer ring, a first connecting wire is fixed at one end of the signal controller, one end, far away from the signal controller, of the first connecting wire is connected with the first heating wire, a second connecting wire is fixed at the other end of the signal controller, one end, far away from the signal controller, of the second connecting wire is connected with the second heating wire, and two heat insulation rings are further fixed in the heating zone and located between the first heating wire and the second heating wire;
the bearing inner race's one side upper end is fixed with temperature sensor, temperature sensor is located the position department between two thermal-insulated rings, temperature sensor's signal output part passes through the wire and links with the signal controller electricity, temperature sensor's sense terminal runs through the bearing inner race and extends to the position department between bearing inner race and the bearing outer race.
Preferably, an oil delivery pipe is fixed at the upper end of the other side of the bearing outer ring, the oil delivery pipe is located between the two heat insulation rings, an output port of the oil delivery pipe penetrates through the bearing outer ring and extends to a position between the bearing outer ring and the bearing inner ring, an input end of the oil delivery pipe is fixed with an oil guide pipeline, one end, far away from the oil delivery pipe, of the oil guide pipeline is connected with the shell, a first interface is fixed at one end of the shell, a second interface is fixed at the other end of the shell, the oil guide pipeline is fixed with the first interface, and the shell is connected with the oil guide pipeline through the first interface;
the inside sliding connection of casing has the baffle, the both sides of casing all are fixed with the support frame, two the top of support frame just is located the position department rotation between two support frames and is connected with the bent axle, one of them one side that the bent axle was kept away from to the support frame is fixed with electric motor, electric motor's output is fixed with the bent axle, the upper end of baffle is equipped with the connecting rod, the upper end of connecting rod is fixed with the go-between, the go-between rotates with the bent axle and is connected.
Preferably, one side of casing still is fixed with the oil controller, oil controller internally mounted has time relay and battery, the battery links with the time relay electricity, the signal output part and the electric motor electricity of time relay link.
Preferably, the upper end of baffle is fixed with first connecting block, the lower extreme of connecting rod is fixed with the second connecting block, the rotation groove has been seted up to first connecting block upper surface, the second connecting block is located and rotates inslot portion, the connecting rod passes through first connecting block and second connecting block rotation with the baffle and is connected.
Preferably, the electric motor and the support frame are fixed by screws.
Preferably, the oil guide pipeline is a rubber hose.
Preferably, the first expansion ring and the second expansion ring are both made of rubber.
Preferably, both sides of the upper end of the shell are fixed with limiting vertical rods, the limiting vertical rods are located at the upper ends of the baffles, the sliding grooves are formed in one sides, close to each other, of the two limiting vertical rods, the upper ends of the baffles are located inside the sliding grooves, and the baffles are connected with the limiting vertical rods in a sliding mode.
Preferably, the connecting rod comprises a fixing rod and an adjusting rod, the lower end of the adjusting rod is fixed to the second connecting block, the upper end of the fixing rod is fixed to the connecting ring, the upper end of the adjusting rod is provided with threads, a thread groove is formed in the fixing rod, and the adjusting rod is in threaded connection with the fixing rod.
Preferably, the outer side of the electric motor is sleeved with a protective shell, and the protective shell is fixed with the support frame through gluing.
The invention has at least the following beneficial effects:
1. according to the invention, through the design of the expansion type clearance compensation structure, the device can realize the self-compensation of the clearance in a small range, the production efficiency of the industry can be greatly improved, and meanwhile, the loss of manpower, material resources and economy caused by the replacement of the bearing is greatly reduced.
2. According to the invention, through the structural design of oil delivery, the device can automatically deliver oil between the bearing outer ring and the bearing inner ring, and the effect of delivering oil at regular time is achieved through the control of the oil delivery controller, so that the rotation of the bearing inner ring is worth being more stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the overall structure of the present invention;
FIG. 2 is a structural sectional view of the entire structure of the bearing inner race of the present invention;
FIG. 3 is a sectional view of a connecting structure of a bearing outer race and a bearing inner race according to the present invention;
FIG. 4 is a schematic view of the connection structure of the first heating wire, the second heating wire, the first connecting wire, the second connecting wire and the signal controller according to the present invention;
FIG. 5 is a schematic view of the connection structure of the temperature sensor, the oil feed pipe, the bearing outer ring and the bearing inner ring according to the present invention;
FIG. 6 is a schematic view of the overall structure of the oil feeding structure of the present invention;
FIG. 7 is a sectional view of a connecting structure of the oil feed structure of the present invention;
FIG. 8 is a schematic view of the connection structure of the baffle plate and the connecting rod according to the present invention;
fig. 9 is a sectional view showing the overall structure of the connecting rod of the present invention.
In the figure: 1. a bearing outer race; 2. a bearing inner race; 3. a bearing seal cover; 4. a rolling body; 5. a heating zone; 6. a first heater wire; 7. a second heating wire; 8. a first connecting line; 9. a second connecting line; 10. a signal controller; 11. a temperature sensor; 12. an oil delivery pipe; 13. a heat insulating ring; 14. a first expansion ring; 15. a second expansion ring; 16. an oil guide pipeline; 17. a housing; 18. a baffle plate; 19. a limiting vertical rod; 20. a connecting rod; 21. a crankshaft; 22. a support frame; 23. an electric motor; 24. an oil delivery controller; 25. a first connection block; 26. a second connecting block; 27. a connecting ring; 28. a first interface; 29. a second interface; 30. adjusting a rod; 31. and (5) fixing the rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, a low temperature resistant self-compensating clearance bearing includes a bearing outer ring 1, a bearing inner ring 2, a bearing sealing cover 3, rolling elements 4 and a housing 17, wherein the bearing inner ring 2 is located inside the bearing outer ring 1, the rolling elements 4 are located at positions of two ends of the outer side of the bearing inner ring 2, each end is provided with two rolling elements 4, the bearing outer ring 1 and the bearing inner ring 2 are rotatably connected through the rolling elements 4, and the bearing sealing cover 3 is inserted at positions of two ends of the bearing outer ring 1 and the bearing inner ring 2 and between the bearing outer ring 1 and the bearing inner ring 2;
the inner wall of the bearing inner ring 2 is provided with four fixing grooves, two first expansion rings 14 and two second expansion rings 15 are respectively fixed in the fixing grooves, the two first expansion rings 14 are positioned in the two fixing grooves in the middle, and the two second expansion rings 15 are positioned in the fixing grooves at the two ends; the first expansion ring 14 and the second expansion ring 15 are made of rubber, so that the device is prevented from being damaged by long-time high temperature;
a heating area 5 is arranged in the bearing outer ring 1, a first heating wire 6 and a second heating wire 7 are respectively wound at two ends of the heating area 5 in a winding manner, a signal controller 10 is fixed at the top end of the bearing outer ring 1, a first connecting wire 8 is fixed at one end of the signal controller 10, one end, far away from the signal controller 10, of the first connecting wire 8 is connected with the first heating wire 6, a second connecting wire 9 is fixed at the other end of the signal controller 10, one end, far away from the signal controller 10, of the second connecting wire 9 is connected with the second heating wire 7, and two heat insulation rings 13 are further fixed in the heating area 5 and at a position between the first heating wire 6 and the second heating wire 7;
bearing inner race 1's one side upper end is fixed with temperature sensor 11, temperature sensor 11 is located the position department between two heat insulation ring 13, be convenient for through heat insulation ring 13's separation, thereby avoid the temperature of first heater strip 6 and the heating of second heater strip 7 to conduct the monitoring data who influences temperature sensor 11 for temperature sensor 11 in the zone of heating 5, temperature sensor 11's signal output part passes through the wire and links with signal controller 10 electricity, temperature sensor 11's sense terminal runs through bearing inner race 1 and extends to the position department between bearing inner race 1 and the bearing inner race 2.
In summary, it can be known that, the bearing inner ring 2 is rotationally connected with the bearing outer ring 1 through the rolling element 4, the bearing outer ring 1 can be kept still when the bearing inner ring 2 rotates, the bearing inner ring 2 is sealed with the bearing outer ring 1 through the bearing sealing cover 3, the lubricating oil added between the bearing outer ring 1 and the bearing inner ring 2 is prevented from flowing out, the signal controller 10 is connected with an external power supply, the signal controller 10 can control the first heating wire 6 and the second heating wire 7 to be started, the first expansion ring 14 and the second expansion ring 15 fixed on the inner wall of the bearing inner ring 2 are expanded through the heat generated by the first heating wire 6 and the second heating wire 7, the inner diameters of the first expansion ring 14 and the second expansion ring 15 are reduced through the expansion of the first expansion ring 14 and the second expansion ring 15, and the effect of self-compensation of the gap is achieved, and the temperature sensor 11 monitors the temperature between the bearing outer ring 1 and the bearing inner ring 2, through the connection of the temperature sensor 11 and the signal controller 10, after the temperature is higher than the set value, the signal controller 10 controls the first heating wire 6 and the second heating wire 7 to be closed, so that the first expansion ring 14 and the second expansion ring 15 are prevented from being burnt out due to overhigh temperature.
Referring to fig. 6 and 7, an oil feed pipe 12 is fixed at the upper end of the other side of the bearing outer ring 1, the oil feed pipe 12 is located between the two heat insulation rings 13, an output port of the oil feed pipe 12 penetrates through the bearing outer ring 1 and extends to a position between the bearing outer ring 1 and the bearing inner ring 2, an input end of the oil feed pipe 12 is fixed with an oil guide pipe 16, one end of the oil guide pipe 16, which is far away from the oil feed pipe 12, is connected with a housing 17, one end of the housing 17 is fixed with a first connector 28, the other end of the housing 17 is fixed with a second connector 29, the second connector 29 can be connected with an external oil feed mechanism through a hose, the oil guide pipe 16 is fixed with the first connector 28, the housing 17 is connected with the oil guide pipe 16 through the first connector 28, and the oil guide pipe 16 is a rubber hose, so that the oil guide pipe 16 can be bent to a certain degree, and the fixed position of an oil feed structure is more free;
the baffle 18 is connected to the inside of the shell 17 in a sliding manner, the support frames 22 are fixed to two sides of the shell 17, the crankshafts 21 are rotatably connected to the top ends of the two support frames 22 and the position between the two support frames 22, the electric motor 23 is fixed to one side, far away from the crankshaft 21, of one support frame 22, and the electric motor 23 and the support frames 22 are fixed through screws, so that the electric motor 23 can be conveniently detached during installation, maintenance or replacement; a protective shell is sleeved on the outer side of the electric motor 23 and is fixed with the support frame 22 through gluing, so that a certain protective effect on the electric motor 23 can be achieved through the protective shell;
the output end of the electric motor 23 is fixed with the crankshaft 21, the upper end of the baffle plate 18 is provided with the connecting rod 20, the upper end of the baffle plate 18 is fixed with the first connecting block 25, the lower end of the connecting rod 20 is fixed with the second connecting block 26, the upper surface of the first connecting block 25 is provided with a rotating groove, the second connecting block 26 is positioned in the rotating groove, the connecting rod 20 is rotatably connected with the baffle plate 18 through the first connecting block 25 and the second connecting block 26, so that the baffle plate 18 is conveniently connected with the connecting rod 20, and the connecting part of the connecting rod 20 can rotate at a certain angle when the connecting rod 20 drives the baffle plate 18 to move; the upper end of connecting rod 20 is fixed with go-between 27, and go-between 27 rotates with bent axle 21 to be connected, and one side of casing 17 still is fixed with oil delivery controller 24, and oil delivery controller 24 internally mounted has time relay and battery, and the battery links with the time relay electricity, and the signal output part and the electric motor 23 electricity of time relay link.
In summary, it can be seen that, through the connection between the second port 29 and the external oil feeding mechanism, the lubricating oil enters the inside of the housing 17 through the second port 29, the oil is blocked by the baffle 18, the crankshaft 21 is driven to rotate by the start of the electric motor 23, the connecting rod 20 and the baffle 18 are driven to lift by the rotation of the crankshaft 21, the lubricating oil is not blocked by the rising of the baffle 18, the lubricating oil can be introduced into the oil feeding pipe 12 through the first port 28 and the oil guiding pipe 16, and the lubricating oil is introduced between the bearing outer ring 1 and the bearing inner ring 2 through the oil feeding pipe 12, so as to achieve the oil feeding effect of the device, and the start and the stop of the electric motor 23 are controlled by the time relay, so as to achieve the effect of starting at regular time.
Referring to fig. 6 and 9, both sides of the upper end of the shell 17 are fixed with vertical limiting rods 19, the vertical limiting rods 19 are located at the upper ends of the baffle plates 18, sliding grooves are formed in the sides, close to each other, of the two vertical limiting rods 19, the upper ends of the baffle plates 18 are located in the sliding grooves, and the baffle plates 18 are in sliding connection with the vertical limiting rods 19;
the connecting rod 20 comprises a fixing rod 31 and an adjusting rod 30, the lower end of the adjusting rod 30 is fixed with the second connecting block 26, the upper end of the fixing rod 31 is fixed with the connecting ring 27, the upper end of the adjusting rod 30 is provided with threads, the inside of the fixing rod 31 is provided with thread grooves, and the adjusting rod 30 is in threaded connection with the fixing rod 31.
In summary, the sliding connection between the vertical limiting rod 19 and the baffle 18 enables the baffle 18 to be limited and fixed by the vertical limiting rod 19 when the baffle 18 moves down, so that the baffle 18 can move more stably, and the length of the connecting rod 20 can be adjusted by rotating the adjusting rod 30 through the threaded connection between the adjusting rod 30 and the fixing rod 31, so as to control the rising height of the baffle 18 and further control the oil amount to be conveyed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A low-temperature-resistant self-compensating clearance bearing comprises a bearing outer ring (1), a bearing inner ring (2), bearing sealing covers (3), rolling bodies (4) and a shell (17), and is characterized in that the bearing inner ring (2) is positioned inside the bearing outer ring (1), the rolling bodies (4) are positioned at the positions of the two ends of the outer side of the bearing inner ring (2), each end is provided with two rolling bodies (4), the bearing outer ring (1) is rotatably connected with the bearing inner ring (2) through the rolling bodies (4), and the bearing sealing covers (3) are inserted at the positions of the two ends of the bearing outer ring (1) and the bearing inner ring (2) and between the bearing outer ring (1) and the bearing inner ring (2);
the inner wall of the bearing inner ring (2) is provided with four fixing grooves, two first expansion rings (14) and two second expansion rings (15) are respectively fixed in the fixing grooves, the two first expansion rings (14) are positioned in the two fixing grooves in the middle, and the two second expansion rings (15) are positioned in the fixing grooves at the two ends;
the heating device is characterized in that a heating area (5) is formed in the bearing outer ring (1), a first heating wire (6) and a second heating wire (7) are wound at two ends of the heating area (5) respectively, a signal controller (10) is fixed at the top end of the bearing outer ring (1), a first connecting wire (8) is fixed at one end of the signal controller (10), one end, far away from the signal controller (10), of the first connecting wire (8) is connected with the first heating wire (6), a second connecting wire (9) is fixed at the other end of the signal controller (10), one end, far away from the signal controller (10), of the second connecting wire (9) is connected with the second heating wire (7), and two heat insulation rings (13) are further fixed in the heating area (5) and at positions between the first heating wire (6) and the second heating wire (7);
the bearing inner race is characterized in that a temperature sensor (11) is fixed to the upper end of one side of the bearing outer race (1), the temperature sensor (11) is located at a position between two heat insulation rings (13), a signal output end of the temperature sensor (11) is electrically connected with a signal controller (10) through a wire, and a detection end of the temperature sensor (11) penetrates through the bearing outer race (1) and extends to the position between the bearing outer race (1) and the bearing inner race (2).
2. The low temperature resistant self-compensating clearance bearing of claim 1, an oil delivery pipe (12) is fixed at the upper end of the other side of the bearing outer ring (1), the oil delivery pipe (12) is positioned between the two heat insulation rings (13), the output port of the oil delivery pipe (12) penetrates through the bearing outer ring (1) and extends to the position between the bearing outer ring (1) and the bearing inner ring (2), an oil guide pipeline (16) is fixed at the input end of the oil delivery pipe (12), one end of the oil guide pipeline (16) far away from the oil delivery pipe (12) is connected with the shell (17), a first interface (28) is fixed at one end of the shell (17), a second interface (29) is fixed at the other end of the shell (17), the oil guide pipeline (16) is fixed with a first connector (28), and the shell (17) is connected with the oil guide pipeline (16) through the first connector (28);
the inside sliding connection of casing (17) has baffle (18), the both sides of casing (17) all are fixed with support frame (22), two the top of support frame (22) just are located the position department rotation between two support frames (22) and are connected with bent axle (21), one of them one side that bent axle (21) were kept away from in support frame (22) is fixed with electric motor (23), electric motor's (23) output is fixed with bent axle (21), the upper end of baffle (18) is equipped with connecting rod (20), the upper end of connecting rod (20) is fixed with go-between (27), go-between (27) are rotated with bent axle (21) and are connected.
3. The low-temperature-resistant self-compensating clearance bearing according to claim 2, wherein an oil supply controller (24) is further fixed on one side of the housing (17), a time relay and a storage battery are mounted in the oil supply controller (24), the storage battery is electrically connected with the time relay, and a signal output end of the time relay is electrically connected with the electric motor (23).
4. The low-temperature-resistant self-compensating clearance bearing as claimed in claim 2, wherein a first connecting block (25) is fixed at an upper end of the baffle plate (18), a second connecting block (26) is fixed at a lower end of the connecting rod (20), a rotating groove is formed in an upper surface of the first connecting block (25), the second connecting block (26) is located inside the rotating groove, and the connecting rod (20) is rotatably connected with the baffle plate (18) through the first connecting block (25) and the second connecting block (26).
5. A low temperature resistant self compensating clearance bearing in accordance with claim 2 wherein the electric motor (23) is screwed to the support bracket (22).
6. A low temperature resistant self-compensating clearance bearing in accordance with claim 2, wherein the oil conducting conduit (16) is a rubber hose.
7. The low temperature resistant self-compensating clearance bearing of claim 1, wherein the first expansion ring (14) and the second expansion ring (15) are both made of rubber.
8. The low-temperature-resistant self-compensating clearance bearing as claimed in claim 2, wherein a vertical limiting rod (19) is fixed on each of two sides of the upper end of the housing (17), the vertical limiting rod (19) is located at the upper end of the baffle (18), a sliding groove is formed in one side of the two vertical limiting rods (19) close to each other, the upper end of the baffle (18) is located inside the sliding groove, and the baffle (18) and the vertical limiting rods (19) are in sliding connection.
9. The low temperature resistant self-compensating clearance bearing according to claim 4, wherein the connecting rod (20) comprises a fixing rod (31) and an adjusting rod (30), a lower end of the adjusting rod (30) is fixed to the second connecting block (26), an upper end of the fixing rod (31) is fixed to the connecting ring (27), an upper end of the adjusting rod (30) is threaded, a threaded groove is formed inside the fixing rod (31), and the adjusting rod (30) is in threaded connection with the fixing rod (31).
10. The low temperature resistant self-compensating clearance bearing of claim 2, wherein the electric motor (23) is sleeved outside a protective shell, and the protective shell is fixed with the support frame (22) through gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083891.1A CN112983975B (en) | 2021-01-21 | 2021-01-21 | Low-temperature-resistant self-compensating clearance bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083891.1A CN112983975B (en) | 2021-01-21 | 2021-01-21 | Low-temperature-resistant self-compensating clearance bearing |
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| CN112983975A CN112983975A (en) | 2021-06-18 |
| CN112983975B true CN112983975B (en) | 2022-03-18 |
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| CN202110083891.1A Active CN112983975B (en) | 2021-01-21 | 2021-01-21 | Low-temperature-resistant self-compensating clearance bearing |
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| CN116890264B (en) * | 2023-09-11 | 2023-12-15 | 季华实验室 | Temperature measurement method for inner ring and outer ring of bearing and related equipment |
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|---|---|---|---|---|
| DE2719036A1 (en) * | 1976-04-30 | 1977-11-17 | Seiko Seiki Kk | SHAFT BEARING |
| WO2008050470A1 (en) * | 2006-10-27 | 2008-05-02 | Ntn Corporation | Preload adjustment method and device for rolling bearing |
| CN206072108U (en) * | 2016-09-26 | 2017-04-05 | 安徽远丰回转支承有限责任公司 | A kind of high rotating speed pivoting support structure |
| CN107842556A (en) * | 2017-09-20 | 2018-03-27 | 宁波华驰轴承有限公司 | A kind of automobile bearing for being easy to add lubricant |
| CN108612770A (en) * | 2018-05-24 | 2018-10-02 | 江苏海川卓越密封材料有限公司 | A kind of bearing seal assembly convenient for uniformly lubricating |
| CN110836224A (en) * | 2019-11-25 | 2020-02-25 | 南京工业大学 | Free expansion clearance compensation formula slewing bearing |
-
2021
- 2021-01-21 CN CN202110083891.1A patent/CN112983975B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2719036A1 (en) * | 1976-04-30 | 1977-11-17 | Seiko Seiki Kk | SHAFT BEARING |
| WO2008050470A1 (en) * | 2006-10-27 | 2008-05-02 | Ntn Corporation | Preload adjustment method and device for rolling bearing |
| CN206072108U (en) * | 2016-09-26 | 2017-04-05 | 安徽远丰回转支承有限责任公司 | A kind of high rotating speed pivoting support structure |
| CN107842556A (en) * | 2017-09-20 | 2018-03-27 | 宁波华驰轴承有限公司 | A kind of automobile bearing for being easy to add lubricant |
| CN108612770A (en) * | 2018-05-24 | 2018-10-02 | 江苏海川卓越密封材料有限公司 | A kind of bearing seal assembly convenient for uniformly lubricating |
| CN110836224A (en) * | 2019-11-25 | 2020-02-25 | 南京工业大学 | Free expansion clearance compensation formula slewing bearing |
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| CN112983975A (en) | 2021-06-18 |
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