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CN111561515A - Wear-resisting type slewing bearing - Google Patents

Wear-resisting type slewing bearing Download PDF

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Publication number
CN111561515A
CN111561515A CN202010482470.1A CN202010482470A CN111561515A CN 111561515 A CN111561515 A CN 111561515A CN 202010482470 A CN202010482470 A CN 202010482470A CN 111561515 A CN111561515 A CN 111561515A
Authority
CN
China
Prior art keywords
outer ring
inner ring
wear
resistant
balls
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.)
Withdrawn
Application number
CN202010482470.1A
Other languages
Chinese (zh)
Inventor
闫宁
许伟刚
李传圣
葛鹏飞
席玉珩
徐典典
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.)
Rugao Nonstandard Bearing Co Ltd
Original Assignee
Rugao Nonstandard 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 Rugao Nonstandard Bearing Co Ltd filed Critical Rugao Nonstandard Bearing Co Ltd
Priority to CN202010482470.1A priority Critical patent/CN111561515A/en
Publication of CN111561515A publication Critical patent/CN111561515A/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F16C33/58Raceways; Race rings
    • 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
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806Sealings 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
    • 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
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816Details of the sealing or parts thereof, e.g. geometry, material
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a wear-resistant slewing bearing, which comprises a shaft body, wherein the shaft body mainly comprises an outer ring, balls and an inner ring, the outer ring is sleeved on the periphery of the inner ring, a spacing distance is arranged between the outer ring and the inner ring, a ball cavity is formed between the outer ring and the inner ring, the balls are arranged in the ball cavity, a plurality of groups of balls are arranged in the ball cavity, the balls are arranged at equal intervals, shock absorption structures are arranged at the positions where the outer ring and the inner ring are in contact with the balls, wear-resistant pieces are arranged on the shock absorption structures, and are in contact with the ball cavity, the arc-shaped baffle plate is provided with a slowly moving space, so that the damage to the slewing bearing is reduced.

Description

Wear-resisting type slewing bearing
Technical Field
The invention relates to a slewing bearing, in particular to a wear-resistant slewing bearing, and belongs to the technical field of mechanical parts.
Background
The Bearing (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 bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. Rolling bearings have been standardized and serialized, but have a larger radial size, vibration and noise, and a higher price than sliding bearings. The rolling bearing generally comprises an outer ring, an inner ring, a rolling body and a retainer. Rolling bearings are classified into ball bearings and roller bearings according to the shape of the rolling elements.
Current slewing bearing is in the use, and the mutual friction between rolling element and outer lane, the inner circle can all produce wearing and tearing for a long time between the three, reaches certain degree when wearing and tearing, can influence slewing bearing's service function and effect, and current slewing bearing is generally through solving the wearing and tearing drawback by applying paint the wearing and tearing wearing layer with a brush, but simple scribbles the wearing and tearing layer for slewing bearing's wearability is relatively poor. We have therefore developed this and have proposed a wear-resistant slew bearing.
Disclosure of Invention
The invention aims to provide a wear-resistant slewing bearing, which aims to solve the problems that in the use process of the conventional slewing bearing provided in the background art, a rolling body, an outer ring and an inner ring rub against each other, the three parts are worn for a long time, and when the wear reaches a certain degree, the use function and the effect of the slewing bearing are influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the wear-resistant slewing bearing comprises a shaft body, wherein the shaft body mainly comprises an outer ring, balls and an inner ring, the outer ring is sleeved on the periphery of the inner ring, spacing distances are arranged between the outer ring and the inner ring, ball cavities are formed between the outer ring and the inner ring, the balls are arranged in the ball cavities, the balls are provided with a plurality of groups and are arranged at intervals at equal intervals, shock absorption structures are arranged at the positions where the outer ring and the inner ring are in contact with the balls, wear-resistant pieces are arranged on the shock absorption structures, and the wear-resistant pieces are in contact with the ball cavities.
As a preferred technical scheme, the damping structure comprises a damping round hole, an arc-shaped baffle, a moving round hole and a damping spring, the damping round hole is provided with the moving round hole at an opening position, the arc-shaped baffle is arranged in the moving round hole, the back of the arc-shaped baffle is connected with the damping spring, the damping spring is provided with a plurality of groups, and the tail end of the damping spring is connected with the damping round hole.
As a preferable technical scheme of the invention, the damping round holes are formed in the inner ring wall of the outer ring and the outer ring wall of the inner ring, and the central axes of the damping round holes in the outer ring and the inner ring are the same.
As a preferable technical scheme of the invention, the wear-resistant sheet is adhered to the arc-shaped baffle and is made of nitrile rubber.
As a preferable technical scheme of the invention, one side of the outer ring, which is positioned on the inner ring, is provided with an outer ring baffle, one side of the inner ring, which is positioned on the outer ring, is provided with an inner ring baffle, the outer ring baffle and the inner ring are arranged in a staggered manner, and the outer ring baffle and the inner ring baffle are not contacted.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the wear-resistant slewing bearing, the wear-resistant pieces are arranged at the positions where the balls are in contact with the outer ring and the inner ring, and are made of the nitrile rubber, so that the wear-resistant pieces have a good wear-resistant effect.
2. According to the wear-resistant slewing bearing, the damping structures contacted with the balls are arranged on the inner wall of the outer ring and the outer wall of the inner ring, the damping round holes and the moving round holes of the damping structures are formed in the inner wall of the outer ring and the outer wall of the inner ring, the arc-shaped baffle plates used for movably embedding the balls are arranged in the moving round holes and are connected with the damping springs in the damping round holes, and when the slewing bearing is vibrated in use, the arc-shaped baffle plates have a space capable of slowly moving, so that the damage to the slewing bearing is reduced due to interference.
3. According to the wear-resistant slewing bearing, the outer ring baffle is arranged on the inner wall of the outer ring, the inner ring baffle is arranged on the outer wall of the inner ring, the outer ring baffle and the inner ring baffle are staggered and not connected, and the outer ring baffle and the inner ring baffle can form a relatively sealed condition for a space between the outer ring and the inner ring, so that large particle impurities are prevented from entering and being worn.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention.
FIG. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic top view of the present invention.
In the figure: 1. an outer ring; 2. a damping round hole; 3. an arc-shaped baffle plate; 4. a ball bearing; 5. moving the round hole; 6. an inner ring; 7. a damping spring; 8. an inner ring baffle; 9. an outer ring baffle plate; 10. a ball chamber; 11. a wear-resistant sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the invention provides a wear-resistant slewing bearing, which comprises a shaft body, wherein the shaft body mainly comprises an outer ring 1, balls 4 and an inner ring 6, the outer ring 1 is sleeved on the periphery of the inner ring 6, a spacing distance is arranged between the outer ring 1 and the inner ring 6, a ball cavity 10 is formed between the outer ring 1 and the inner ring 6, the balls 4 are arranged in the ball cavity 10, a plurality of groups of balls 4 are arranged among the balls 4 at equal intervals, a damping structure is arranged at the position where the outer ring 1 and the inner ring 6 are in contact with the balls 4, a wear-resistant sheet 11 is arranged on the damping structure, and the wear-resistant sheet 11 is in contact with the ball cavity 10.
Preferably, including shock attenuation round hole 2, cowl 3, removal round hole 5 and damping spring 7 in the shock-absorbing structure, shock attenuation round hole 2 is located the open-ended position and is equipped with removal round hole 5, cowl 3 is arranged in and is removed in the round hole 5, cowl 3's back connection damping spring 7, damping spring 7 is equipped with the multiunit, damping spring 7's trailing end connection is at shock attenuation round hole 2, and when the slewing bearing received vibrations, cowl 3 can carry out the back-and-forth movement in removing round hole 5, makes it have the space that can slow moving to utilize the damping spring 7 dispersion of rear side and the impact force that the buffering vibrations brought, thereby disturb or reduce the injury to slewing bearing itself, extension slewing bearing's life.
Preferably, the damping round holes 2 are formed in the inner ring wall of the outer ring 1 and the outer ring wall of the inner ring 6, and the central axes of the damping round holes 2 in the outer ring 1 and the inner ring 6 are the same, so that the balls 4 are arranged between the two groups of damping structures.
Preferably, the wear-resistant sheet 11 is adhered to the arc-shaped baffle 3, the wear-resistant sheet 11 is made of nitrile rubber, and the wear-resistant sheet 11 has a good use effect by utilizing the good wear resistance and oil resistance of the nitrile rubber.
Preferably, an outer ring baffle 9 is arranged on one side, located at the inner ring 6, of the outer ring 1, an inner ring baffle 8 is arranged on one side, located at the outer ring 1, of the inner ring 6, the outer ring baffles 9 and the inner ring 6 are arranged in a staggered mode, the outer ring baffles 9 and the inner ring baffles 8 are not in contact with each other, relative sealing conditions can be formed for the space between the outer ring 1 and the inner ring 6 by means of the outer ring baffles 9 and the inner ring baffles 8, and abrasion caused by entrance of large-particle impurities is avoided.
When the wear-resistant slewing bearing is used, the inner ring wall of the outer ring 1 and the outer ring wall of the inner ring 6 are provided with the damping structures, the damping round holes 2 and the moving round holes 5 of the damping structures are arranged on the inner ring wall of the outer ring 1 and the outer ring wall of the inner ring 6, the arc-shaped baffle plates 3 are arranged in the moving round holes 5, the damping springs 7 in the damping round holes 2 are connected with the back surfaces of the arc-shaped baffle plates 3, after the balls 4 are installed, two sides of the balls 4 are arranged between the arc-shaped baffle plates 3 of the damping structures on the outer ring 1 and the inner ring 6, the balls 4 are in contact with the arc-shaped baffle plates 3, the positions where the arc-shaped baffle plates 3 are in contact with the balls 4 are provided with the wear-resistant pieces 11 made of the nitrile-resistant rubber, so that the wear-resistant slewing bearing has a good wear-resistant effect, when the bearing is vibrated, the arc-shaped baffle plates 3 can move, make it have the space that can slow moving, and utilize the damping spring 7 of rear side and the wear pad 11 of front side surface, the impact force that dispersion and buffering vibrations brought, thereby disturb or reduce the injury to slewing bearing itself, the life of extension slewing bearing, through set up outer ring baffle 9 at the inner wall of outer ring 1, set up inner ring baffle 8 at inner ring 6 outer wall, and with outer ring baffle 9 and inner ring baffle 8 crisscross and non-intersect, utilize outer ring baffle 9 and inner ring baffle 8 can form the relative sealed condition for the space between outer ring 1 and the inner ring 6, avoid large granule impurity to get into and produce wearing and tearing.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The wear-resistant slewing bearing comprises a shaft body and is characterized in that the shaft body mainly comprises an outer ring (1), balls (4) and an inner ring (6), wherein the outer ring (1) is sleeved on the periphery of the inner ring (6), spacing distances are arranged between the outer ring (1) and the inner ring (6), a ball cavity (10) is formed between the outer ring (1) and the inner ring (6), the balls (4) are arranged in the ball cavity (10), a plurality of groups of balls (4) are arranged, the balls (4) are arranged at equal intervals, shock absorption structures are arranged at positions where the outer ring (1) and the inner ring (6) are in contact with the balls (4), wear-resistant pieces (11) are arranged on the shock absorption structures, and the wear-resistant pieces (11) are in contact with the ball cavity (10).
2. A wear-resistant slew bearing in accordance with claim 1 wherein: including shock attenuation round hole (2), cowl (3), removal round hole (5) and damping spring (7) in the shock-absorbing structure, shock attenuation round hole (2) are located the open-ended position and are equipped with and remove round hole (5), cowl (3) are arranged in and are removed round hole (5), the back connection damping spring (7) of cowl (3), damping spring (7) are equipped with the multiunit, the trailing end connection of damping spring (7) is at shock attenuation round hole (2).
3. A wear-resistant slew bearing in accordance with claim 2 wherein: the damping round hole (2) is formed in the inner ring wall of the outer ring (1) and the outer ring wall of the inner ring (6), and the central axes of the damping round holes (2) in the outer ring (1) and the inner ring (6) are the same.
4. A wear-resistant slew bearing in accordance with claim 2 wherein: the wear-resistant sheet (11) is adhered to the arc-shaped baffle (3), and the wear-resistant sheet (11) is made of nitrile rubber.
5. A wear-resistant slew bearing in accordance with claim 1 wherein: the novel anti-theft device is characterized in that an outer ring baffle (9) is arranged on one side, located on the inner ring (6), of the outer ring (1), an inner ring baffle (8) is arranged on one side, located on the outer ring (1), of the inner ring (6), the outer ring baffle (9) and the inner ring (6) are arranged in a staggered mode, and the outer ring baffle (9) and the inner ring baffle (8) are not in contact with each other.
CN202010482470.1A 2020-06-01 2020-06-01 Wear-resisting type slewing bearing Withdrawn CN111561515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010482470.1A CN111561515A (en) 2020-06-01 2020-06-01 Wear-resisting type slewing bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010482470.1A CN111561515A (en) 2020-06-01 2020-06-01 Wear-resisting type slewing bearing

Publications (1)

Publication Number Publication Date
CN111561515A true CN111561515A (en) 2020-08-21

Family

ID=72068404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010482470.1A Withdrawn CN111561515A (en) 2020-06-01 2020-06-01 Wear-resisting type slewing bearing

Country Status (1)

Country Link
CN (1) CN111561515A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112503097A (en) * 2020-12-21 2021-03-16 程群 Industrial anti-skid bearing
CN112664570A (en) * 2020-12-22 2021-04-16 武志强 Ceramic bearing
CN112762092A (en) * 2021-02-05 2021-05-07 李兰媖 Load dispersion type bearing
TWI777807B (en) * 2021-10-07 2022-09-11 陳鵬任 High-life wear-resistant bearings

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112503097A (en) * 2020-12-21 2021-03-16 程群 Industrial anti-skid bearing
CN112664570A (en) * 2020-12-22 2021-04-16 武志强 Ceramic bearing
CN112664570B (en) * 2020-12-22 2022-05-31 扬州宝飞机电有限公司 Ceramic bearing
CN112762092A (en) * 2021-02-05 2021-05-07 李兰媖 Load dispersion type bearing
CN112762092B (en) * 2021-02-05 2022-08-19 山东华工轴承有限公司 Load dispersion type bearing
TWI777807B (en) * 2021-10-07 2022-09-11 陳鵬任 High-life wear-resistant bearings

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Application publication date: 20200821