CN112483541A - Novel combined bearing - Google Patents

Novel combined bearing Download PDF

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Publication number
CN112483541A
CN112483541A CN202011357087.XA CN202011357087A CN112483541A CN 112483541 A CN112483541 A CN 112483541A CN 202011357087 A CN202011357087 A CN 202011357087A CN 112483541 A CN112483541 A CN 112483541A
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CN
China
Prior art keywords
oil
ring
bearing
outer ring
row
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
CN202011357087.XA
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Chinese (zh)
Inventor
王君颖
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 Group Co Ltd
C&U Co Ltd
Original Assignee
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 Group Co Ltd, C&U Co Ltd filed Critical Shanghai C&U Group Co Ltd
Priority to CN202011357087.XA priority Critical patent/CN112483541A/en
Publication of CN112483541A publication Critical patent/CN112483541A/en
Pending legal-status Critical Current

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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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • 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
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • F16C33/363—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces with grooves in the bearing-surfaces
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a novel combined bearing which comprises an outer ring, an inner ring, a row of balls and a row of cylindrical rollers, wherein first roller paths for the row of balls to roll are arranged on the inner circumferential wall of the outer ring and the outer circumferential wall of the inner ring in an annular mode, second roller paths for the row of cylindrical rollers to roll are arranged on the inner circumferential wall of the outer ring and the outer circumferential wall of the inner ring in an annular mode, the first roller paths are located on one side of the second roller paths, abutting grooves used for preventing the cylindrical rollers from bearing excessive overturning moment are arranged on the inner walls of the two sides of the second roller paths, limiting rings used for preventing the cylindrical rollers from bearing excessive overturning moment are protruded on the inner circumferential walls of the two second roller paths, limiting grooves used for inserting the limiting rings are arranged on the outer circumferential wall of each cylindrical roller in an annular mode, and oil supplementing pieces used for supplementing oil into the bearing are. The invention solves the problems that the bearing is easy to be damaged by radial load and axial load and the oil supply in the bearing is insufficient in the prior art.

Description

Novel combined bearing
Technical Field
The invention relates to the technical field, in particular to a novel combined bearing.
Background
Different bearing types can bear different types of loads, and in some high-speed occasions needing to bear radial loads and axial loads at the same time, four-point contact ball bearings and cylindrical bearings are often required to be arranged side by side, so that the problem of bearing combined loads can be solved, but three main defects can be generated at the same time, firstly, the four-point contact ball bearings can receive the radial loads and the axial loads at the same time and are easy to fail due to heating; secondly, the end faces of two bearings arranged side by side are easy to slip, so that the bearing fails; and thirdly, oil passages of the bearings in two parallel rows are difficult to communicate, and a phenomenon of lean oil dry running easily occurs on one of the bearings.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel combined bearing, which aims to solve the problems that the bearing is easily damaged due to radial load and axial load and the oil supply inside the bearing is insufficient in the prior art.
In order to achieve the purpose, the invention provides a novel combined bearing, which comprises an outer ring, an inner ring, a row of balls and a row of cylindrical rollers, wherein first roller paths for the row of balls to roll are formed in the inner circumferential wall of the outer ring and the outer circumferential wall of the inner ring in an annular mode, second roller paths for the row of cylindrical rollers to roll are formed in the inner circumferential wall of the outer ring and the outer circumferential wall of the inner ring in an annular mode, the first roller paths are located on one side of the second roller paths, abutting grooves used for preventing the cylindrical rollers from bearing excessive overturning moment are formed in the inner walls of the two sides of the second roller paths, limiting rings used for preventing the cylindrical rollers from bearing excessive overturning moment are protruded in the inner circumferential wall of the two second roller paths, limiting grooves used for inserting the limiting rings are formed in the outer circumferential wall of each cylindrical roller in an annular mode, and oil supplementing pieces used for supplementing oil to.
The technical scheme is adopted, and the method has the advantages that: the first roller path is used for rolling a row of balls, the second roller path is used for rolling a row of cylindrical rollers, the radial bearing capacity of the bearing can be improved by adopting the arrangement of the row of balls, the axial bearing capacity of the bearing can be improved by adopting the arrangement of the row of cylindrical rollers, and the anti-overturning capacity of the bearing can be improved by adopting the row of cylindrical rollers, so that the bearing can not be disassembled due to the fact that the outer ring and the inner ring are not inclined when the bearing bears the overturning moment; in the technology, the arrangement that the limit ring is inserted into the limit groove enables the cylindrical roller not to be separated from the second roller path because of bearing excessive overturning moment in the rotating process of the cylindrical roller, so that the normal operation of the cylindrical roller is ensured, and the anti-overturning capacity of the cylindrical roller is further improved due to the arrangement of the abutting groove; the oil supplementing piece is arranged to ensure that oil supply inside the bearing is sufficient, and the phenomenon of lean oil dry running of the bearing is avoided.
The invention further provides that: the oil supplementing piece comprises an oil storage cavity which is arranged in the outer ring in a hollow mode, an oil outlet pipeline is arranged on the outer ring and is located between the first rolling way and the second rolling way, one end of the oil outlet pipeline is communicated with the oil storage cavity, the other end of the oil outlet pipeline extends to the inner peripheral wall of the outer ring and is provided with an oil outlet, and solid grease is filled in the oil storage cavity.
The technical scheme is adopted, and the method has the advantages that: the oil storage intracavity is filled with solid-state grease, its inside temperature can rise gradually when the bearing operates for the inside solid-state grease of oil storage chamber progressively turns into liquid grease, inside liquid grease can not completely flow the bearing because of the effect of centrifugal force when the bearing operates, just can flow between outer lane and the inner circle through the oil outlet after the bearing stops operating, ball and cylindrical roller still can receive the grease lubrication when guaranteeing the bearing next time to operate, avoid the bearing to appear the phenomenon that lean oil does the operation.
The invention further provides that: and the oil outlet pipeline is internally provided with grease storage cotton for reducing the oil outlet amount of grease.
The technical scheme is adopted, and the method has the advantages that: the setting of storage fat cotton can reduce the oil output of grease, avoids the grease of oil storage intracavity all to flow inside the bearing for the grease of oil storage chamber can carry out the oil supply many times to the bearing inside.
The invention further provides that: the oil supplementing pipe is arranged on the outer ring peripheral wall, an oil storage cavity at one end of the oil supplementing pipe is communicated with the outer ring peripheral wall, the other end of the oil supplementing pipe extends to the outer ring peripheral wall and is provided with an oil supplementing hole, a blocking pad used for blocking the oil supplementing hole is filled on the inner wall of the oil supplementing hole, the blocking pad is made of elastic materials, and the outer peripheral wall of the blocking pad is attached to the inner peripheral wall of the oil supplementing hole.
The technical scheme is adopted, and the method has the advantages that: when the outsider need carry out the oiling in the oil storage chamber, pack the grease into the cylinder earlier, then insert in the oil supplementing hole with the needle point department of cylinder, the needle point inserts in the shutoff pad this moment, the oil delivery groove is pricked out by the sharp-pointed department of needle point on the shutoff pad this moment, the needle point passes through the oil delivery groove and inserts in the oil supplementing pipeline, operating personnel promotes the piston rod and makes the grease in the cylinder pour into the oil storage chamber, after the oil supplementing, operating personnel extracts the needle point from the oil delivery groove, because the shutoff pad has elastic material to make and it fills in the oil supplementing hole for the compression form, consequently, oil delivery inslot wall can contradict each other and form a line when the needle point is extracted, ensure that the grease in the oil storage chamber can not leak out through the oil supplementing pipeline.
The invention further provides that: the ring channel has been seted up at outer lane internal perisporium both ends, two all the card is equipped with the skeleton on the ring channel, two the skeleton all extends inward on the ring periphery wall has the seal lip, the seal lip is contradicted and is set up on the inner circle periphery wall.
The technical scheme is adopted, and the method has the advantages that: the setting of seal lip can effectually avoid impurity such as external dust, water stain to enter into the inside bearing rotational speed that influences of bearing, can also effectually ensure simultaneously that the inside grease of bearing can not leak out.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Detailed Description
The invention provides a novel combined bearing, which comprises an outer ring 1, an inner ring 2, a row of balls 3 and a row of cylindrical rollers 4, wherein a first roller path 11 for the row of balls 3 to roll is annularly formed on the inner circumferential wall of the outer ring 1 and the outer circumferential wall of the inner ring 2, a second roller path 21 for the row of cylindrical rollers 4 to roll is annularly formed on the inner circumferential wall of the outer ring 1 and the outer circumferential wall of the inner ring 2, the first roller path 11 is positioned at one side of the second roller path 21, abutting grooves 211 for preventing the cylindrical rollers 4 from bearing excessive overturning moment are formed on the inner walls at two sides of the two second roller paths 21, limit rings 212 for preventing the cylindrical rollers 4 from bearing excessive overturning moment are protruded on the inner circumferential walls of the two second roller paths 21, limit grooves 41 for inserting the limit rings 212 are formed on the outer circumferential wall of each cylindrical roller 4, an oil supplementing piece for supplementing oil to the inside of the bearing is arranged on the outer ring 1, the oil supplementing piece comprises an oil storage cavity 5 which is hollow and arranged in an outer ring 1, an oil outlet pipeline 51 is arranged on the outer ring 1, the oil outlet pipeline 51 is positioned between a first rolling path 11 and a second rolling path 21, one end of the oil outlet pipeline 51 is communicated with the oil storage cavity 5, the other end of the oil outlet pipeline extends to the inner peripheral wall of the outer ring 1 and is provided with an oil outlet 52, solid grease is filled in the oil storage cavity 5, grease storage cotton 53 used for reducing the oil outlet amount of the grease is arranged in the oil outlet pipeline 51, an oil supplementing pipeline 6 is arranged on the outer peripheral wall of the outer ring 1, the oil storage cavity 5 at one end of the oil supplementing pipeline 6 is communicated and arranged, an oil supplementing hole 61 is arranged on the outer peripheral wall of the outer ring 1, a blocking pad 62 used for blocking the oil supplementing hole 61 is filled on the inner wall of the oil supplementing hole 61, the blocking pad 62 is made of elastic material, and, annular groove 71 has been seted up at 1 internal perisporium both ends of outer lane, two all the card is equipped with skeleton 72 on the annular groove 71, two skeleton 72 all extends towards 2 periphery walls of inner circle and has seal lip 7, seal lip 7 contradicts and sets up on 2 periphery walls of inner circle.
When the bearing is in operation, the balls 3 roll on the first raceway 11, and the cylindrical rollers 4 roll on the second raceway 21, when the bearing bears a large radial load, the balls 3 can bear a large amount of radial load to ensure that the cylindrical rollers 4 cannot bear a large amount of radial load and are damaged, when the bearing bears a large amount of axial load and overturning moment, the cylindrical rollers 4 can bear a large amount of axial load and overturning moment to ensure that the balls 3 cannot bear a large amount of axial load and overturning moment and fall off from the first raceway 11, and when the cylindrical rollers 4 bear a large amount of overturning moment, the cylindrical rollers 4 can ensure that the cylindrical rollers 4 cannot fall off from the second raceway 21 through the limit ring 212 and the abutting groove 211.
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 (5)

1. A novel combined bearing is characterized in that: including outer lane, inner circle, a row of ball and a row of cylindrical roller, equal ring is to offering the rolling first raceway of a confession ball on outer lane internal perisporium and the inner circle periphery wall, equal ring is to offering the rolling second raceway of a confession cylindrical roller on outer lane internal perisporium and the inner circle periphery wall, first raceway is located second raceway one side, two all offer the butt groove that is used for preventing cylindrical roller from bearing excessive overturning moment, two on the inner wall of second raceway both sides all protruding have the spacing ring that is used for preventing cylindrical roller from bearing excessive overturning moment, every equal ring is to offering the spacing groove that supplies spacing ring male on the cylindrical roller periphery wall, be provided with the benefit oil spare that is used for carrying out the benefit oil to the bearing inside on the outer lane.
2. A novel combination bearing according to claim 1, wherein: the oil supplementing piece comprises an oil storage cavity which is arranged in the outer ring in a hollow mode, an oil outlet pipeline is arranged on the outer ring and is located between the first rolling way and the second rolling way, one end of the oil outlet pipeline is communicated with the oil storage cavity, the other end of the oil outlet pipeline extends to the inner peripheral wall of the outer ring and is provided with an oil outlet, and solid grease is filled in the oil storage cavity.
3. A novel combination bearing according to claim 2, wherein: and the oil outlet pipeline is internally provided with grease storage cotton for reducing the oil outlet amount of grease.
4. A novel combination bearing according to claim 2, wherein: the oil supplementing pipe is arranged on the outer ring peripheral wall, an oil storage cavity at one end of the oil supplementing pipe is communicated with the outer ring peripheral wall, the other end of the oil supplementing pipe extends to the outer ring peripheral wall and is provided with an oil supplementing hole, a blocking pad used for blocking the oil supplementing hole is filled on the inner wall of the oil supplementing hole, the blocking pad is made of elastic materials, and the outer peripheral wall of the blocking pad is attached to the inner peripheral wall of the oil supplementing hole.
5. A novel combination bearing according to claim 1, wherein: the ring channel has been seted up at outer lane internal perisporium both ends, two all the card is equipped with the skeleton on the ring channel, two the skeleton all extends inward on the ring periphery wall has the seal lip, the seal lip is contradicted and is set up on the inner circle periphery wall.
CN202011357087.XA 2020-11-27 2020-11-27 Novel combined bearing Pending CN112483541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011357087.XA CN112483541A (en) 2020-11-27 2020-11-27 Novel combined bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011357087.XA CN112483541A (en) 2020-11-27 2020-11-27 Novel combined bearing

Publications (1)

Publication Number Publication Date
CN112483541A true CN112483541A (en) 2021-03-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483772A (en) * 2022-01-25 2022-05-13 中国铁建重工集团股份有限公司 Slewing bearing with high bearing capacity

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382099A (en) * 1992-04-04 1995-01-17 Skf Gmbh Bearing assembly comprising a radial and axial bearing
CN203685851U (en) * 2013-12-20 2014-07-02 台州市迈肯隆机械有限公司 Combined-type one-way bearing
CN204003959U (en) * 2014-08-20 2014-12-10 宁波市镇海华磊轴承有限公司 Can save the bearing of lubricant oil
CN208185218U (en) * 2018-04-11 2018-12-04 汕头市依斯吉轴承制造有限公司 A kind of combined retainer type four-line column roller bearing
CN208951123U (en) * 2018-06-21 2019-06-07 杭州驰创机械有限公司 A kind of one ball of oilless air compressor eccentric wheel end, one column composite bearing
CN210218436U (en) * 2019-05-21 2020-03-31 人本集团有限公司 Double-row tapered roller bearing
CN210949563U (en) * 2019-09-19 2020-07-07 人本集团有限公司 Portable oil-supplementing combined bearing
CN210978231U (en) * 2019-10-24 2020-07-10 人本集团有限公司 Oil-compensating sealed bearing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382099A (en) * 1992-04-04 1995-01-17 Skf Gmbh Bearing assembly comprising a radial and axial bearing
CN203685851U (en) * 2013-12-20 2014-07-02 台州市迈肯隆机械有限公司 Combined-type one-way bearing
CN204003959U (en) * 2014-08-20 2014-12-10 宁波市镇海华磊轴承有限公司 Can save the bearing of lubricant oil
CN208185218U (en) * 2018-04-11 2018-12-04 汕头市依斯吉轴承制造有限公司 A kind of combined retainer type four-line column roller bearing
CN208951123U (en) * 2018-06-21 2019-06-07 杭州驰创机械有限公司 A kind of one ball of oilless air compressor eccentric wheel end, one column composite bearing
CN210218436U (en) * 2019-05-21 2020-03-31 人本集团有限公司 Double-row tapered roller bearing
CN210949563U (en) * 2019-09-19 2020-07-07 人本集团有限公司 Portable oil-supplementing combined bearing
CN210978231U (en) * 2019-10-24 2020-07-10 人本集团有限公司 Oil-compensating sealed bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483772A (en) * 2022-01-25 2022-05-13 中国铁建重工集团股份有限公司 Slewing bearing with high bearing capacity
CN114483772B (en) * 2022-01-25 2023-10-31 中国铁建重工集团股份有限公司 Slewing bearing with high bearing capacity

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