CN114517810A - High-speed bearing retainer and bearing - Google Patents

High-speed bearing retainer and bearing Download PDF

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Publication number
CN114517810A
CN114517810A CN202210275442.1A CN202210275442A CN114517810A CN 114517810 A CN114517810 A CN 114517810A CN 202210275442 A CN202210275442 A CN 202210275442A CN 114517810 A CN114517810 A CN 114517810A
Authority
CN
China
Prior art keywords
bearing retainer
speed bearing
groove
arc
oil guide
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
CN202210275442.1A
Other languages
Chinese (zh)
Inventor
刘代志
陈锋
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.)
Hunan Pearl Bearing Co ltd
Original Assignee
Hunan Pearl Bearing 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 Hunan Pearl Bearing Co ltd filed Critical Hunan Pearl Bearing Co ltd
Priority to CN202210275442.1A priority Critical patent/CN114517810A/en
Publication of CN114517810A publication Critical patent/CN114517810A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/38Ball cages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6603Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607Retaining the grease in or near the bearing
    • F16C33/6611Retaining the grease in or near the bearing in a porous or resinous body, e.g. a cage impregnated with the grease
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6603Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6622Details of supply and/or removal of the grease, e.g. purging grease
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6603Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6629Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements

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

Abstract

The invention provides a high-speed bearing retainer and a bearing, wherein the high-speed bearing retainer is provided with a plurality of pockets in a surrounding manner, a step surface is arranged between every two adjacent pockets, an oil guide hole is arranged on the step surface, and the oil guide hole is communicated along the axial direction of the high-speed bearing retainer. The step surface is arranged, so that the connection strength between the adjacent pockets can be improved. Meanwhile, the invention has the oil guide function between the upper part and the lower part of the high-speed bearing retainer by adopting the axially communicated oil guide hole, so that the lubricating grease can flow conveniently and can be uniformly distributed in the bearing.

Description

High-speed bearing retainer and bearing
Technical Field
The invention relates to a high-speed bearing retainer, in particular to a high-speed bearing retainer with oil guide holes.
Background
The bearing is used as an important part in the modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body. The bearing is mainly composed of a bearing retainer and a rolling body, in order to ensure the service life and the rotation smoothness of the bearing, lubricating grease needs to be filled on the surfaces of the bearing retainer and the rolling body, so that the friction force between the bearing retainer and the rolling body is reduced, but the existing retainer is simple in structure and lacks of an oil guide channel structure, so that the lubricating grease is locally accumulated or lacked, the lubricating grease cannot be uniformly distributed on the surface of the rolling body, the lubrication of the bearing is poor, and the service life of the bearing is shortened.
Disclosure of Invention
The invention provides a high-speed bearing retainer, which at least solves the problem of accumulation or lack of internal lubricating grease in the prior art.
The invention provides a high-speed bearing retainer, wherein a plurality of pockets are arranged around the high-speed bearing retainer, a step surface is arranged between every two adjacent pockets, an oil guide hole is arranged on the step surface, and the oil guide hole is communicated along the axial direction of the high-speed bearing retainer.
Further, the pocket is one of a circular hole, an arc hole or a spherical hole.
Furthermore, a groove body is arranged at the bottom of the high-speed bearing retainer and communicated with the oil guide hole.
Furthermore, the groove body is an open through groove which is communicated with the inner surface and the outer surface of the annular structure of the high-speed bearing retainer.
Furthermore, the groove body is arc-shaped, and the top of the arc is communicated with the oil guide hole.
Furthermore, a through groove is formed in the pocket hole and is communicated with the inner surface and the outer surface of the annular structure of the high-speed bearing retainer, and an opening at one end of the through groove is located on the step surface.
Furthermore, an arc-shaped oil storage tank is further arranged in the pocket, and two ends of the arc-shaped oil storage tank are respectively adjacent to the step surfaces on two sides of the pocket.
Further, the arc-shaped oil storage tank is communicated with the through tank.
The invention also discloses a bearing, which applies the high-speed bearing retainer.
Compared with the prior art, the connecting strength between the adjacent pockets can be improved by arranging the step surfaces. Meanwhile, the invention has the oil guide function between the upper part and the lower part of the high-speed bearing retainer by adopting the axially communicated oil guide hole, so that the lubricating grease can flow conveniently, and further the lubricating grease can be uniformly distributed between the working surfaces of the bearing.
Drawings
FIG. 1 is a first perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a pocket according to an embodiment of the present invention;
1. a pocket hole; 2. a step surface; 3. an oil guide hole; 4. a trough body; 5. a through groove; 6. an arc-shaped oil storage tank.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The embodiment of the invention discloses a high-speed bearing retainer, wherein a plurality of pockets 1 are arranged around the high-speed bearing retainer, a step surface 2 is arranged between every two adjacent pockets 1, an oil guide hole 3 is formed in the step surface 2, and the oil guide hole 3 is communicated along the axial direction of the high-speed bearing retainer.
Wherein, the high-speed bearing retainer is of an annular structure, and the pockets 1 are arranged on the high-speed bearing retainer at equal intervals. Step surfaces 2 are arranged between the adjacent pockets 1, and the high-speed bearing retainer is also provided with an arc-shaped connecting structure on the step surfaces 2, so that the radian of the pockets 1 is larger than 180 degrees and is used for limiting the rolling bodies. The step surface 2 is of a smooth transition structure. The radial and axial surfaces of the step can be provided with slopes, so that lubricating grease can flow conveniently, and the lubricating and heat dissipation effects are enhanced
Compared with the traditional retainer structure, the embodiment of the invention can improve the connection strength between the adjacent pockets 1 by arranging the step surfaces 2. Meanwhile, the traditional retainer does not have the axial oil guide hole 3, so that the traditional retainer can block the flow of lubricating grease between the upper part and the lower part, and the flowability of the lubricating grease is limited.
It should be noted that the upper and lower parts of the high-speed bearing retainer according to the embodiments of the present invention are only directed to the structure of the high-speed bearing retainer itself, and not to the installation direction of the high-speed bearing retainer in the bearing or in use.
Optionally, the pocket 1 is one of a circular hole, an arc hole or a spherical hole.
In the embodiment of the present invention, the pocket 1 is a spherical hole.
Optionally, a groove body 4 is arranged at the bottom of the high-speed bearing retainer, the groove body 4 is located between adjacent pockets 1, and the groove body 4 is communicated with the oil guide hole 3.
Wherein, high speed bearing holder bottom is equipped with the cell body 4 that is used for holding lubricating grease, compares traditional holder structure, and the effectual holder bottom space that has utilized improves the function of holding of high speed bearing holder itself to lubricating grease.
Particularly, the groove body 4 is an open through groove which is communicated with the inner surface and the outer surface of the annular structure of the high-speed bearing retainer.
Particularly, the groove body 4 is arc-shaped, and the top of the arc is communicated with the oil guide hole 3.
The groove body 4 is an open through groove structure communicated with the inner surface and the outer surface of the annular structure of the high-speed bearing retainer, and the holding performance of the retainer to lubricating grease is further improved.
Optionally, a through groove 5 is arranged at the pocket 1, the through groove 5 communicates the inner surface and the outer surface of the pocket 1 of the high-speed bearing retainer, and an opening at one end of the through groove 5 is located at the step surface 2.
The cross section of the through groove 5 is arc-shaped, so that lubricating grease at the pocket 1 can conveniently flow between the inside and the outside of the high-speed bearing retainer when the bearing retainer is used, the weight of the retainer is reduced, the moment of inertia of the retainer when the bearing rotates, particularly when the bearing rotates at a high speed, is reduced, and kinetic energy loss is reduced.
According to the embodiment of the invention, the through groove 5 is arranged, so that lubricating grease can flow in the pocket 1 conveniently.
Particularly, an arc-shaped oil storage tank 6 is further arranged in the pocket 1, and two ends of the arc-shaped oil storage tank 6 are respectively adjacent to the step surfaces 2 on two sides of the pocket 1.
Wherein, pocket 1 itself is the arc hole, and arc oil storage tank 6 is adjacent or meets with the step face 2 on pocket 1 both sides respectively along pocket 1 structure itself.
According to the embodiment of the invention, the arc-shaped oil storage tank 6 is arranged, so that the oil guide function is achieved, the lubricating grease storage function is also achieved, the pocket 1 can contain lubricating grease, sufficient lubricating grease is covered on the surface of the rolling body when the rolling body is in function to the maximum extent, the collision between the rolling body and the cage pocket 1 is reduced, and the vibration noise and the temperature rise of the bearing during working are reduced.
Optionally, the arc oil storage tank 6 is communicated with the through tank 5.
Wherein, the arc oil storage tank 6 is communicated with the through tank 5 and is connected with the step surface 2.
In the embodiment of the invention, the arc-shaped oil storage groove 6 is communicated with the through groove 5 and is connected with the step surface 2, so that the lubricating grease on the step surface 2 can flow into the arc-shaped oil storage groove 6 and the through groove 5 from the part where the arc-shaped oil storage groove 6 is communicated with the through groove 5 respectively, the flowing of the lubricating grease between the outer diameter surface of the retainer and the flange of the outer ring of the bearing can be promoted, the distribution of the lubricating grease on two sides of the bearing is more uniform, and the lubricating effect between the raceway of the outer ring and the rolling body (steel ball) is enhanced.
It should be noted that in the embodiment of the present invention, by providing the arc-shaped oil storage tank 6, the through groove 5, and the oil guide hole 3, and matching with the through groove structure of the groove body 4, the effect of uniform distribution of the lubricating grease is achieved, and compared with the conventional retainer structure, the self weight of the high-speed bearing retainer is reduced, so that the rotational inertia of the high-speed bearing retainer in the rotation process is reduced, and the stability and the service life of the high-speed bearing retainer in the rotation process are improved.
In particular, the thickness of the step surface 2 is not less than one third of the radius of the rolling elements that can be accommodated in the pockets 1.
According to the embodiment of the invention, the thickness of the step surface 2 is ensured to be not less than one third of the radius of the rolling bodies which can be accommodated in the pocket 1, so that the step surface 2 has a certain thickness, and the strength of the claw opening of the pocket 1 is ensured to the maximum extent, thereby reducing weight, improving the lubricating effect, ensuring the stability of the pocket 1, and avoiding the problems of deformation and the like.
The invention also discloses a bearing, which applies the high-speed bearing retainer.
The high-speed bearing retainer provided by the embodiment of the invention can be applied to various bearings, and the bearings can be selected from rolling element bearings or roller bearings.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.

Claims (9)

1. The high-speed bearing retainer is characterized in that a plurality of pockets are arranged around the high-speed bearing retainer, step surfaces are arranged between every two adjacent pockets, oil guide holes are formed in the step surfaces, and the oil guide holes are communicated along the axial direction of the high-speed bearing retainer.
2. The high speed bearing cage of claim 1 wherein the pockets are one of round, arcuate or spherical.
3. The high-speed bearing retainer according to claim 1, wherein a groove body is arranged at the bottom of the high-speed bearing retainer, and the groove body is communicated with the oil guide hole.
4. The high-speed bearing retainer according to claim 3, wherein the groove body is an open through groove communicating the inner surface and the outer surface of the annular structure of the high-speed bearing retainer.
5. The high-speed bearing retainer according to claim 3, wherein the groove body is arc-shaped, and the arc-shaped top is communicated with the oil guide hole.
6. The high-speed bearing retainer according to claim 1, wherein the pocket hole is provided with a through groove which communicates an inner surface and an outer surface of the annular structure of the high-speed bearing retainer, and an end opening of the through groove is located at the step surface.
7. The high-speed bearing retainer according to claim 6, wherein an arc-shaped oil storage groove is further formed in the pocket, and two ends of the arc-shaped oil storage groove are respectively connected with step surfaces on two sides of the pocket.
8. The high-speed bearing retainer according to claim 1, wherein the arc-shaped oil reservoir is communicated with the through groove.
9. A bearing, characterized in that the bearing uses a high-speed bearing cage according to any of claims 1-8.
CN202210275442.1A 2022-03-21 2022-03-21 High-speed bearing retainer and bearing Pending CN114517810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210275442.1A CN114517810A (en) 2022-03-21 2022-03-21 High-speed bearing retainer and bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210275442.1A CN114517810A (en) 2022-03-21 2022-03-21 High-speed bearing retainer and bearing

Publications (1)

Publication Number Publication Date
CN114517810A true CN114517810A (en) 2022-05-20

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ID=81600151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210275442.1A Pending CN114517810A (en) 2022-03-21 2022-03-21 High-speed bearing retainer and bearing

Country Status (1)

Country Link
CN (1) CN114517810A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202402491U (en) * 2011-12-31 2012-08-29 聊城市新欣金帝保持器科技有限公司 Bearing and steel ball of retainer for machining same
CN111649068A (en) * 2020-07-20 2020-09-11 马纯 High-speed bearing retainer
CN213684980U (en) * 2020-10-19 2021-07-13 人本股份有限公司 Four-point ball bearing retainer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202402491U (en) * 2011-12-31 2012-08-29 聊城市新欣金帝保持器科技有限公司 Bearing and steel ball of retainer for machining same
CN111649068A (en) * 2020-07-20 2020-09-11 马纯 High-speed bearing retainer
CN213684980U (en) * 2020-10-19 2021-07-13 人本股份有限公司 Four-point ball bearing retainer

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