CN112648284A - Special high-sealing oil-compensating bearing for silicone oil clutch - Google Patents

Special high-sealing oil-compensating bearing for silicone oil clutch Download PDF

Info

Publication number
CN112648284A
CN112648284A CN202011543544.4A CN202011543544A CN112648284A CN 112648284 A CN112648284 A CN 112648284A CN 202011543544 A CN202011543544 A CN 202011543544A CN 112648284 A CN112648284 A CN 112648284A
Authority
CN
China
Prior art keywords
oil
sealing
bearing
ring
supplementing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011543544.4A
Other languages
Chinese (zh)
Inventor
孙辉
蔡一啸
姜芝强
余菊华
夏德智
汪友辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai C&u Double Row Bearing Co ltd
Wuhu Double Row Bearing Co ltd
Shanghai C&U Group Co Ltd
C&U Co Ltd
Original Assignee
Shanghai C&u Double Row Bearing Co ltd
Wuhu Double Row Bearing Co ltd
Shanghai C&U Group Co Ltd
C&U Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai C&u Double Row Bearing Co ltd, Wuhu Double Row Bearing Co ltd, Shanghai C&U Group Co Ltd, C&U Co Ltd filed Critical Shanghai C&u Double Row Bearing Co ltd
Priority to CN202011543544.4A priority Critical patent/CN112648284A/en
Publication of CN112648284A publication Critical patent/CN112648284A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • 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
    • F16C33/38—Ball cages
    • F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
    • 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
    • F16C33/38—Ball cages
    • F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607—Retaining the grease in or near the bearing
    • F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607—Retaining the grease in or near the bearing
    • F16C33/6618—Retaining the grease in or near the bearing in a reservoir in the sealing means
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
    • F16C33/6625—Controlling or conditioning the grease supply
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6629—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
    • F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
    • 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
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/20—Thermal properties
    • F16C2202/28—Shape memory material
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/52—Alloys based on nickel, e.g. Inconel
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/43—Clutches, e.g. disengaging bearing

Abstract

The invention discloses a special high-sealing oil-supplementing bearing for a silicone oil clutch, which comprises an outer ring, an inner ring and rollers, wherein raceways for the rollers to roll are respectively arranged on the inner peripheral wall of the outer ring and the outer peripheral wall of the inner ring, a rolling cavity is formed between the outer ring and the inner ring, two sealing pieces for sealing the rolling cavity are arranged between the outer ring and the inner ring, the two sealing pieces are arranged on two sides of the rollers, an oil-supplementing cavity is arranged on the outer ring in a hollow manner, solid grease is filled in the oil-supplementing cavity, an oil outlet for conveying the grease is also arranged on the outer ring, one end of the oil outlet is communicated with the oil-supplementing cavity, the other end of the oil outlet is communicated with the raceway on the outer ring, and a blocking piece for dredging the oil outlet when the bearing runs. The invention solves the problems that the roller rotates dry and the bearing sealing element is easy to separate from the roller due to the depletion of grease in the bearing rolling cavity in the prior art.

Description

Special high-sealing oil-compensating bearing for silicone oil clutch
Technical Field
The invention relates to the technical field of bearings, in particular to a high-sealing oil-supplementing bearing special for a silicone oil clutch.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The silicone oil clutch is high-precision equipment used on an automobile and is generally used for controlling temperature, but the sealing performance of a bearing used for the silicone oil clutch in the prior art is poor, so that external impurities enter the inside of the bearing to cause the bearing to fail, and the silicone oil clutch is easily damaged due to the failure of the bearing under the condition that the bearing runs at high speed; the oil consumption of the grease in the bearing running at high speed is large, so that an operator needs to frequently supply oil to the interior of the bearing, and if the grease in the bearing running at high speed is completely consumed, the roller is easy to dry until the roller is scrapped; and some bearings are highly tensioned through the sealing element and the bearing inner ring to realize better sealing performance, but the bearing inner ring can rotate at a high speed under the condition that the bearing runs at a high speed, a larger friction torque can be generated between the sealing element and the bearing inner ring rotating at the high speed at the moment to influence the rotating speed of the bearing, and the abrasion of the sealing element is heavier and heavier as time passes until the sealing element is separated from the bearing to cause the bearing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a special high-sealing oil-supplementing bearing for a silicone oil clutch, which aims to solve the problems that a roller rotates dry and a bearing sealing element is easy to separate from the roller due to the fact that grease in a bearing roller cavity is consumed completely in the prior art.
In order to achieve the purpose, the invention provides a special high-sealing oil compensating bearing for a silicone oil clutch, which comprises an outer ring, an inner ring and rollers, wherein raceways for the rollers to roll are formed on the inner peripheral wall and the outer peripheral wall of the outer ring, a rolling cavity is formed between the outer ring and the inner ring, two sealing elements for sealing the rolling cavity are arranged between the outer ring and the inner ring, the two sealing elements are arranged on two sides of the rollers, an oil compensating cavity is formed in the outer ring in a hollow manner, solid grease is filled in the oil compensating cavity, an oil outlet for conveying the grease is further formed in the outer ring, one end of the oil outlet is communicated with the oil compensating cavity, the other end of the oil outlet is communicated with the rolling cavity on the outer ring, and a blocking element for dredging the oil outlet when the bearing runs and blocking the oil outlet when.
The technical scheme is adopted, and the method has the advantages that: the arrangement of the sealing element ensures that external impurities cannot enter the bearing to influence the rotating speed of the bearing and ensures that grease in the bearing cannot leak; the arrangement of the blocking piece can ensure that grease in the oil supplementing cavity can flow to the surface of the roller to lubricate the roller when the bearing operates, the roller cannot rotate in a dry mode, further the friction torque between the roller and the raceway cannot be increased, the blocking piece can block the oil outlet hole when the bearing stops operating, and the grease in the oil supplementing cavity cannot continuously flow to the roller cavity to cause excessive grease in the roller cavity; when the bearing operates, the internal temperature rises, so that the fixed grease in the oil supplementing cavity is gradually converted into liquid grease, and the grease in the oil supplementing cavity can only flow to the rolling cavity under the condition that the bearing operates; and the side wall of the bearing outer ring can be provided with an oil filling hole, and an operator can inject grease into the oil supplementing cavity through external oil filling equipment so as to achieve the purpose of filling oil without dismounting the bearing.
The invention further provides that: the plugging piece is the plugging piece, offer the fluting that is used for holding plugging piece on the outer lane, fluting and oil supply chamber intercommunication set up, the oil outlet sets up in fluting one side, plugging piece one end is worn out the fluting and is formed with the connecting block until oil supply chamber, the connecting block has sealed piece towards the extension of oil outlet direction, sealed piece has the shape memory alloy material to make, sealed piece possesses first form under first temperature range, sealed piece possesses the second form under second temperature range, sealed piece blocks up the oil outlet opening under first form, sealed piece is out of shape under the second form and is buckled and expose the oil outlet.
The technical scheme is adopted, and the method has the advantages that: the sealing block is made of shape memory alloy material, it can be made of nickel-titanium memory alloy material, the memory alloy possesses different forms under different temperature ranges, its phase-changeable temperature range is 30-45 deg., the temperature range is below 30 deg. is the first temperature range, and the phase-changeable temperature range is the second temperature range, when the bearing operates, its internal temperature can reach above 30 deg. so that the sealing block is gradually changed from the first form to the second form, at this time, the sealing block is deformed and bent under the second form, its inner wall is no longer fastened at the oil outlet opening, so that the oil outlet is dredged and communicated with the oil-supplementing cavity, at this time, the grease in the oil-supplementing cavity gradually flows to the roller surface through the oil outlet, the above-mentioned technique makes the grease in the oil-supplementing cavity flow to the roller surface to lubricate the roller surface, it is ensured that the roller will not dry-rotate because of the depletion of the grease in the roller cavity under the condition of high-speed operation, the damage of the roller is further avoided, the arrangement of the technology improves the running efficiency and the service life of the roller, and the working efficiency and the service life of the bearing are further improved; when the bearing stops operating, the internal temperature is gradually lower than 30 degrees, so that the sealing block is gradually changed from the second shape to the first shape, the sealing block is deformed and reset under the first shape at the moment, the oil outlet is propped and buckled by the inner wall of the sealing block, the oil replenishing cavity and the oil outlet are not communicated, the grease in the oil replenishing cavity cannot flow to the surface of the roller through the oil outlet at the moment, the arrangement of the technology ensures that the phenomenon of excessive grease cannot occur in the bearing, and further ensures that the phenomenon of grease throwing and leakage cannot occur in the roller cavity when the bearing operates next time.
The invention further provides that: the sealing member includes the sealing ring, first ring channel has been seted up at outer lane internal perisporium both ends, the second ring channel has been seted up at inner circle periphery wall both ends, sealing ring one end is extended towards first ring channel direction has first seal lip, and the other end is extended towards the second ring channel direction has the second seal lip, first seal lip inserts first ring channel and rises to rise the cooperation setting with first ring channel, the tight cooperation setting that rises of second seal lip tip and second ring channel inner wall.
The technical scheme is adopted, and the method has the advantages that: the arrangement of the first sealing lip and the second sealing lip further improves the sealing performance of the bearing, and ensures that external impurities cannot enter the inside of the bearing to influence the rotating speed of the bearing.
The invention further provides that: the second seal lip outside is provided with the stopper that is used for preventing that the sealing ring from breaking away from rolling the chamber, it all is provided with the spacing groove to correspond two stopper positions on the inner circle periphery wall, stopper one end is inserted the spacing groove, and the other end is provided with spacing plush copper, be provided with the cooperation groove between second seal lip periphery wall and the sealing ring periphery wall, the cooperation groove is cyclic annular setting, spacing plush copper insert in the cooperation groove and with cooperation groove clearance fit setting.
The technical scheme is adopted, and the method has the advantages that: the arrangement of the limit raised head and the matching groove in clearance fit ensures that the sealing ring cannot be separated from the bearing when working for a long time, and further avoids the failure of the bearing caused by the separation of the sealing ring from the bearing.
The invention further provides that: the limiting groove is characterized in that an injection molding groove is formed in the inner wall of the limiting groove in a sunken mode, an injection molding hole for inserting the output end of external injection molding equipment is formed in the side wall of the inner ring, and the injection molding hole is communicated with the injection molding groove.
The technical scheme is adopted, and the method has the advantages that: the operating personnel inserts the outside injection moulding device output in the hole of moulding plastics, then starts injection moulding device and moulds plastics to moulding plastics in the groove, moulds plastics and is formed with the piece of moulding plastics in the groove after accomplishing, and the piece of moulding plastics firmly fixes the one end that spacing plush copper inserted the spacing groove in the spacing groove, ensures that the stopper can not break away from the spacing groove, and further the secret seal ring of guaranteeing can not break away from the bearing.
The invention further provides that: the roller cage is characterized in that a retainer is arranged between the outer ring and the inner ring, a plurality of pocket holes for containing rollers are formed in the retainer, and each pocket hole opening is provided with a locking block for preventing the rollers from being separated from the pocket holes.
The technical scheme is adopted, and the method has the advantages that: the arrangement of the locking block ensures that the roller is separated from the pocket or moves in the pocket under the condition of high-speed operation, and the bearing operation is prevented from being influenced.
The invention further provides that: the latch segment is made by shape memory alloy material, the arcwall face that is used for laminating or breaks away from in the roller surface is offered to the latch segment inner wall, the latch segment possesses the third form under first temperature range, the latch segment possesses the fourth form under the second temperature range, the latch segment deformation and arcwall face break away from the roller surface under the third form, the latch segment deformation is buckled and the arcwall face is laminated with the roller surface mutually under the fourth form.
The technical scheme is adopted, and the method has the advantages that: the locking block is made of shape memory alloy material, it can be made of nickel-titanium memory alloy material, this memory alloy possesses different forms under different temperature ranges, its variable phase temperature range is 30 degrees to 45 degrees, the temperature range is the first temperature range below 30 degrees, and the variable phase temperature range is the second temperature range, when the bearing operates, its internal temperature can reach more than 30 degrees, the locking block is the fourth form at this moment, its gradual deformation is bent to make the cambered surface and surface of the roller come into contact with, guarantee that the roller is limited by the locking block and made it not to move or break away from the pocket in the pocket under the condition that the bearing operates at a high speed, guarantee the bearing will not be influenced, and it can also coat the surface grease of the roller to paste and set up on the surface of the roller, guarantee the surface grease distribution of the roller is even; when the bearing stops operating, the temperature in the bearing is gradually reduced to a first temperature range, the locking block is gradually changed from a fourth state to a third state, the locking block deforms to enable the arc-shaped surface to be separated from the surface of the roller, the arrangement of the technology ensures that the surface of the roller can be fully exposed in the pocket when the bearing stops operating, grease on the surface of the roller can be filled in the roller cavity, grease is uniformly distributed on any position of the surface of the roller, and friction loss of the roller is prevented from being increased due to the fact that one position of the surface of the roller is lack of grease when the roller operates at a high speed next time.
Drawings
FIG. 1 is a cross-sectional view of the present invention in an inoperative condition;
FIG. 2 is a cross-sectional view of a plug block in an operational state of the present invention;
FIG. 3 is a partial cross-sectional view of a cage pocket in a non-operating condition of the present invention
FIG. 4 is a partial cross-sectional view of a cage pocket in an operational state of the present invention;
fig. 5 is a simplified view of the locking block of the present invention.
Detailed Description
The invention provides a high-sealing oil-supplementing bearing special for a silicone oil clutch, which comprises an outer ring 1, an inner ring 2 and rollers 3, wherein raceways 11 for the rollers 3 to roll are respectively arranged on the inner circumferential wall of the outer ring 1 and the outer circumferential wall of the inner ring 2, a rolling cavity 12 is formed between the outer ring 1 and the inner ring 2, two sealing elements for sealing the rolling cavity 12 are arranged between the outer ring 1 and the inner ring 2, the two sealing elements are arranged at two sides of the rollers 3, an oil-supplementing cavity 13 is arranged on the outer ring 1 in a hollow manner, solid grease is filled in the oil-supplementing cavity 13, an oil outlet 14 for conveying the grease is also arranged on the outer ring 1, one end of the oil outlet 14 is communicated with the oil-supplementing cavity 13, the other end of the oil outlet is communicated with the raceway 11 on the outer ring 1, a blocking piece for dredging the oil outlet 14 when the bearing operates and blocking the oil outlet 14 when the bearing, the outer ring 1 is provided with a slot 41 for accommodating the plugging block 4, the slot 41 is communicated with the oil supplementing cavity 13, the oil outlet 14 is arranged on one side of the slot 41, one end of the plugging block 4 penetrates out of the slot 41 to the oil supplementing cavity 13 and is provided with a connecting block 42, the connecting block 42 extends towards the direction of the oil outlet 14 and is provided with a sealing block 43, the sealing block 43 is made of shape memory alloy, the sealing block 43 has a first shape in a first temperature range, the sealing block 43 has a second shape in a second temperature range, the sealing block 43 blocks the opening of the oil outlet 14 in the first shape, the sealing block 43 deforms and bends in the second shape and exposes the oil outlet 14, the sealing element comprises a sealing ring 5, the two ends of the inner peripheral wall of the outer ring 1 are provided with first annular grooves 15, the two ends of the outer peripheral wall of the inner ring 2 are provided with second annular grooves 16, 5 one end of sealing ring has first seal lip 51 towards the extension of first ring channel 15 direction, and the other end has second seal lip 52 towards the extension of second ring channel 16 direction, first seal lip 51 inserts first ring channel 15 and rises with first ring channel 15 tight cooperation setting, the tight cooperation setting that rises of second seal lip 52 tip and second ring channel 16 inner wall, the second seal lip 52 outside is provided with the stopper 6 that is used for preventing sealing ring 5 to break away from roll chamber 12, it all is provided with spacing groove 61 to correspond two stopper 6 positions on the inner circle 2 periphery wall, stopper 6 one end is inserted spacing groove 61, and the other end is provided with spacing plush copper 62, be provided with cooperation groove 53 between second seal lip 52 periphery wall and the sealing ring 5 periphery wall, cooperation groove 53 is cyclic annular setting, spacing plush copper 62 inserts in cooperation groove 53 and sets up with cooperation groove 53 clearance fit, an injection molding groove 63 is sunken on the inner wall of the limit groove 61, an injection molding hole 64 for inserting the output end of external injection molding equipment is arranged on the side wall of the inner ring 2, the injection molding hole 64 is communicated with the injection molding groove 63, a retainer 7 is arranged between the outer ring 1 and the inner ring 2, the retainer 7 is provided with a plurality of pockets 71 for accommodating the rollers 3, a locking block 72 for preventing the rollers 3 from separating from the pockets 71 is arranged at the opening of each pocket 71, the locking block 72 is made of shape memory alloy material, the inner wall of the locking block 72 is provided with an arc surface 73 for attaching or detaching from the surface of the roller 3, the locking block 72 has a third configuration at a first temperature range, the locking block 72 has a fourth configuration at a second temperature range, the locking block 72 deforms under the third condition, the arc-shaped surface 73 is separated from the surface of the roller 3, and the locking block 72 deforms and bends under the fourth condition, and the arc-shaped surface 73 is attached to the surface of the roller 3.
When the bearing operates, the internal temperature of the bearing can reach more than 30 ℃, so that the sealing block 43 is gradually changed from the first form to the second form, at the moment, the sealing block 43 deforms and bends under the second form, the inner wall of the sealing block is not abutted and buckled at the opening of the oil outlet 14, the oil outlet 14 is dredged and communicated with the oil supplementing cavity 13, at the moment, grease in the oil supplementing cavity 13 gradually flows to the surface of the roller 3 through the oil outlet 14, meanwhile, the locking block 72 is in the fourth form, the locking block 72 gradually deforms and bends to enable the arc-shaped surface 73 to be attached to the surface of the roller 3, and the roller 3 is ensured to be limited by the locking block 72 and not to float in the pocket 71 or separate from the pocket 71 under the condition that the bearing; when the bearing stops operating, the internal temperature of the bearing is gradually reduced to the first temperature range, so that the sealing block 43 is gradually changed from the second form to the first form, at the moment, the sealing block 43 is deformed and reset under the first form, the inner wall of the sealing block abuts against the oil outlet 14, the oil replenishing cavity 13 is not communicated with the oil outlet 14, at the moment, the grease in the oil replenishing cavity 13 cannot flow to the surface of the roller 3 through the oil outlet 14, the locking block 72 is gradually changed from the fourth form to the third form, and at the moment, the locking block 72 is deformed so that the arc-shaped surface 73 is separated from the surface of the roller 3.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a special high sealed oil supplementing bearing of silicon oil clutch, includes outer lane, inner circle and roller, all set up on outer lane internal perisporium and the inner circle periphery wall and supply the rolling raceway of roller, be formed with between outer lane and the inner circle and roll the chamber, its characterized in that: the bearing comprises an outer ring and an inner ring, wherein two sealing pieces used for sealing a rolling cavity are arranged between the outer ring and the inner ring, the sealing pieces are arranged on two sides of a roller, an oil supplementing cavity is formed in the outer ring in a hollow mode, solid grease is filled in the oil supplementing cavity, an oil outlet hole used for conveying the grease is further formed in the outer ring, one end of the oil outlet hole is communicated with the oil supplementing cavity, the other end of the oil outlet hole is communicated to a rolling way on the outer ring, and a blocking piece used for dredging the oil outlet hole when the bearing operates and blocking the oil outlet hole when the.
2. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 1, wherein: the plugging piece is the plugging piece, offer the fluting that is used for holding plugging piece on the outer lane, fluting and oil supply chamber intercommunication set up, the oil outlet sets up in fluting one side, plugging piece one end is worn out the fluting and is formed with the connecting block until oil supply chamber, the connecting block has sealed piece towards the extension of oil outlet direction, sealed piece has the shape memory alloy material to make, sealed piece possesses first form under first temperature range, sealed piece possesses the second form under second temperature range, sealed piece blocks up the oil outlet opening under first form, sealed piece is out of shape under the second form and is buckled and expose the oil outlet.
3. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 1, wherein: the sealing member includes the sealing ring, first ring channel has been seted up at outer lane internal perisporium both ends, the second ring channel has been seted up at inner circle periphery wall both ends, sealing ring one end is extended towards first ring channel direction has first seal lip, and the other end is extended towards the second ring channel direction has the second seal lip, first seal lip inserts first ring channel and rises to rise the cooperation setting with first ring channel, the tight cooperation setting that rises of second seal lip tip and second ring channel inner wall.
4. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 3, wherein: the second seal lip outside is provided with the stopper that is used for preventing that the sealing ring from breaking away from rolling the chamber, it all is provided with the spacing groove to correspond two stopper positions on the inner circle periphery wall, stopper one end is inserted the spacing groove, and the other end is provided with spacing plush copper, be provided with the cooperation groove between second seal lip periphery wall and the sealing ring periphery wall, the cooperation groove is cyclic annular setting, spacing plush copper insert in the cooperation groove and with cooperation groove clearance fit setting.
5. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 4, wherein: the limiting groove is characterized in that an injection molding groove is formed in the inner wall of the limiting groove in a sunken mode, an injection molding hole for inserting the output end of external injection molding equipment is formed in the side wall of the inner ring, and the injection molding hole is communicated with the injection molding groove.
6. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 1, wherein: the roller cage is characterized in that a retainer is arranged between the outer ring and the inner ring, a plurality of pocket holes for containing rollers are formed in the retainer, and each pocket hole opening is provided with a locking block for preventing the rollers from being separated from the pocket holes.
7. The special high-sealing oil-supplementing bearing for the silicone oil clutch as claimed in claim 6, wherein: the latch segment is made by shape memory alloy material, the arcwall face that is used for laminating or breaks away from in the roller surface is offered to the latch segment inner wall, the latch segment possesses the third form under first temperature range, the latch segment possesses the fourth form under the second temperature range, the latch segment deformation and arcwall face break away from the roller surface under the third form, the latch segment deformation is buckled and the arcwall face is laminated with the roller surface mutually under the fourth form.
CN202011543544.4A 2020-12-23 2020-12-23 Special high-sealing oil-compensating bearing for silicone oil clutch Pending CN112648284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011543544.4A CN112648284A (en) 2020-12-23 2020-12-23 Special high-sealing oil-compensating bearing for silicone oil clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011543544.4A CN112648284A (en) 2020-12-23 2020-12-23 Special high-sealing oil-compensating bearing for silicone oil clutch

Publications (1)

Publication Number Publication Date
CN112648284A true CN112648284A (en) 2021-04-13

Family

ID=75360058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011543544.4A Pending CN112648284A (en) 2020-12-23 2020-12-23 Special high-sealing oil-compensating bearing for silicone oil clutch

Country Status (1)

Country Link
CN (1) CN112648284A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008099562A1 (en) * 2007-02-13 2008-08-21 Nsk Ltd. Bearing apparatus with lubricant diagnosis sensor and lubricant diagnosis sensor
JP2009287678A (en) * 2008-05-29 2009-12-10 Ntn Corp Roller bearing and bearing structure
CN105179487A (en) * 2015-06-15 2015-12-23 新昌县华雄机械有限公司 Rolling bearing
CN205401450U (en) * 2016-01-14 2016-07-27 江西宏伟轴承有限公司 Deep groove ball bearing with abrasionproof decreases alarming function
US20170204908A1 (en) * 2014-07-16 2017-07-20 Jtekt Corporation Ball bearing
CN206754172U (en) * 2017-04-01 2017-12-15 慈溪超凡轴承科技有限公司 One kind fills out fat easily bearing
CN207406639U (en) * 2017-09-12 2018-05-25 王权 A kind of track traffic thin-wall bearing
CN207421140U (en) * 2017-09-18 2018-05-29 天津市威奥科技有限公司 A kind of presser type self-lubricating bearing
CN207795869U (en) * 2017-10-24 2018-08-31 无锡民联汽车零部件有限公司 Lubricating oil evenly distributes profile shaft and holds
CN209781480U (en) * 2019-01-22 2019-12-13 人本集团有限公司 Oil-supplementing hub bearing
CN210371685U (en) * 2019-06-14 2020-04-21 洛阳德润精密机床轴承有限公司 Novel angular contact ball bearing retainer
CN210949567U (en) * 2019-10-12 2020-07-07 人本集团有限公司 Lubricating oil-filling type bearing
CN210978231U (en) * 2019-10-24 2020-07-10 人本集团有限公司 Oil-compensating sealed bearing
CN211623969U (en) * 2019-12-31 2020-10-02 江西宏伟轴承有限公司 Anti-lock bearing

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008099562A1 (en) * 2007-02-13 2008-08-21 Nsk Ltd. Bearing apparatus with lubricant diagnosis sensor and lubricant diagnosis sensor
JP2009287678A (en) * 2008-05-29 2009-12-10 Ntn Corp Roller bearing and bearing structure
US20170204908A1 (en) * 2014-07-16 2017-07-20 Jtekt Corporation Ball bearing
CN105179487A (en) * 2015-06-15 2015-12-23 新昌县华雄机械有限公司 Rolling bearing
CN205401450U (en) * 2016-01-14 2016-07-27 江西宏伟轴承有限公司 Deep groove ball bearing with abrasionproof decreases alarming function
CN206754172U (en) * 2017-04-01 2017-12-15 慈溪超凡轴承科技有限公司 One kind fills out fat easily bearing
CN207406639U (en) * 2017-09-12 2018-05-25 王权 A kind of track traffic thin-wall bearing
CN207421140U (en) * 2017-09-18 2018-05-29 天津市威奥科技有限公司 A kind of presser type self-lubricating bearing
CN207795869U (en) * 2017-10-24 2018-08-31 无锡民联汽车零部件有限公司 Lubricating oil evenly distributes profile shaft and holds
CN209781480U (en) * 2019-01-22 2019-12-13 人本集团有限公司 Oil-supplementing hub bearing
CN210371685U (en) * 2019-06-14 2020-04-21 洛阳德润精密机床轴承有限公司 Novel angular contact ball bearing retainer
CN210949567U (en) * 2019-10-12 2020-07-07 人本集团有限公司 Lubricating oil-filling type bearing
CN210978231U (en) * 2019-10-24 2020-07-10 人本集团有限公司 Oil-compensating sealed bearing
CN211623969U (en) * 2019-12-31 2020-10-02 江西宏伟轴承有限公司 Anti-lock bearing

Similar Documents

Publication Publication Date Title
CN103925373B (en) A kind of mazy type shuts down bilateral sealing device
CN111637156A (en) Bearing assembly
EP2662572A1 (en) Sealing arrangement for the lubricant of a ball bearing in a flow machine
CN112648284A (en) Special high-sealing oil-compensating bearing for silicone oil clutch
CN209943174U (en) Water pump bearing with high waterproof performance
JP2010261545A (en) Bearing with seal
JP5359156B2 (en) Rolling bearing device
CN207470779U (en) A kind of elastic floating ring oil sealing of journal bearing
CN111503157B (en) Rolling bearing
CN103925368A (en) Labyrinth type halt sealing device
CN211398303U (en) Bearing lubricating structure
JP2014211229A (en) Bearing device
CN204201096U (en) A kind of export-oriented ring gear seal arrangement
JP2013011286A (en) Cage for rolling bearing
JP2001271843A (en) Rolling bearing device
CN114029783B (en) Lubricating grease supplementing mechanism for lathe spindle
CN113090649B (en) Cylindrical roller bearing with detachable retainer ring
CN218818065U (en) Oil supply lubricating device and gear box
CN112983881B (en) Sealing opening ring, liquid rocket engine centrifugal pump and liquid rocket engine
US9926981B2 (en) Labyrinth seal bearing
CN116658525B (en) High-precision self-lubricating bearing
CN219221044U (en) Cylindrical roller bearing retainer
CN203770420U (en) Pressure control thick-wall bearing with double-barb external buckle type sealing check ring
CN212928528U (en) Anti-corrosion bearing
CN220646510U (en) Acid and alkali corrosion resistant bearing ring

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210413

RJ01 Rejection of invention patent application after publication