CN211474684U

CN211474684U - Bearing with good lubricating property

Info

Publication number: CN211474684U
Application number: CN201921743346.5U
Authority: CN
Inventors: 廖中文
Original assignee: GUANGDONG AIB POLYTECHNIC COLLEGE
Current assignee: GUANGDONG AIB POLYTECHNIC COLLEGE
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-09-11
Anticipated expiration: 2029-10-17

Abstract

The utility model provides a bearing with good lubricating property, which comprises an outer ring, a vibration damping ring, a retainer, a rolling body, a lubricating layer, a noise reduction ring and an inner ring, wherein the vibration damping ring is fixed on the inner side of the outer ring through screws, and the retainer is arranged on the inner side of the vibration damping ring; the rolling bodies are sequentially embedded in the retainer, and are positioned between the rolling bodies on the lubricating layer and are in contact with the rolling bodies; the lubricating layer is positioned on the inner side of the rolling body, and the lubricating layer and the damping ring are installed in a clearance fit mode through the rolling body; the noise reduction ring is arranged between the inner ring and the lubricating layer in an interference fit mode, and the inner ring is located on the inner side of the noise reduction ring and is arranged with the inner ring of the noise reduction ring. The utility model discloses the setting of organism U-shaped frame, buffer board group and damping rod, the overall structure is lubricated effectual, and the bearing is whole to have good damping ability, is applicable to high-speed work, and the sound that the operation produced is low, and convenient to use satisfies the demands.

Description

Bearing with good lubricating property

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a bearing that lubricity is good.

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 bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction.

The invention discloses a self-lubricating bearing with a Chinese patent publication number of CN 207935295U, which comprises an outer ring, a side plate, an inner ring, a key groove, an elastic sealing strip, a ring groove, an oil storage ring groove, an annular oil storage block, a ball and a fixed ring, the oil storage ring comprises square through holes, blind holes, a coating roller, grooves, a connecting piece, a first annular raceway, a threaded cylinder, gaskets, a second annular raceway and brush blocks, wherein an annular groove is formed in the surface of an outer ring, an elastic sealing strip is installed in the annular groove, an oil storage annular groove is formed in the bottom of the annular groove, an annular oil storage block is installed in the oil storage annular groove, a plurality of square through holes are formed in the bottom of the oil storage annular groove, the grooves are formed in the inner walls of the two sides of each square through hole and connected with the coating roller through the connecting piece, the brush blocks are uniformly arranged on the surface of the coating roller, the first annular raceway is formed in the inner wall of the outer ring, the two sides of the outer ring and. However, the existing self-lubricating bearing has the problems that the self-lubricating property is realized through the structural design, but the lubricating effect is still poor, the service life is short when the bearing works at a high speed due to the poor integral vibration reduction capability of the bearing, and the noise generated during operation is large and is inconvenient to use.

Therefore, it is necessary to provide a bearing with good lubricity.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a good bearing of lubricity to solve current self-lubricating bearing and have the problem that lubricating effect is not good, and the whole damping capacity of bearing is poor to lead to high-speed during operation life-span low, the great problem of sound that the operation produced. A bearing with good lubricating property comprises an outer ring, a vibration damping ring, a retainer, a rolling body, a lubricating layer, a noise reduction ring and an inner ring, wherein the vibration damping ring is fixed on the inner side of the outer ring through screws, and the retainer is arranged on the inner side of the vibration damping ring; the rolling bodies are sequentially embedded on the retainer and are positioned between the vibration damping ring and the lubricating layer and are in contact with the lubricating layer and the vibration damping ring; the lubricating layer is positioned on the inner side of the rolling body, and the lubricating layer and the damping ring are installed in a clearance fit mode through the rolling body; the noise reduction ring is arranged between the inner ring and the lubricating layer in an interference fit mode, and the inner ring is located on the inner side of the noise reduction ring and is arranged with the inner ring of the noise reduction ring.

The damping ring comprises an upper ring, a buffer column and a lower ring, wherein the upper ring and the lower ring are both in ring shapes made of stainless bearing steel and are in contact with the inner side of the outer ring, and the lower ring is in contact with the outer side surface of the rolling body; the buffer column is provided with a plurality of buffer columns, the buffer columns are sequentially fixed between the upper ring and the lower ring through screws, and the buffer columns are in column shapes made of NR natural elastic rubber.

The retainer is in a ring shape made of high-carbon chromium bearing steel, and a plurality of rolling bodies are sequentially embedded on the retainer; the rolling bodies are spherical made of high-carbon chromium bearing steel.

The lubricating layer comprises a mounting ring, a mounting hole, an oil absorption column, an oil storage layer and a bottom ring, wherein the mounting ring and the bottom ring are both in a ring shape made of carburizing bearing steel, and an inner ring of the bottom ring is in contact with the noise reduction ring; the mounting ring is sequentially provided with a plurality of mounting holes, every other rolling body is provided with a mounting hole, and a plurality of oil absorption columns are sequentially fixed between the side walls of the mounting holes through screws; the oil absorption column is in a cylindrical shape made of sponge rubber cotton, the top end of the oil absorption column is in an arc shape and is in contact with the surface of the rolling body, and the bottom end of the oil absorption column is positioned in the oil storage layer; the oil storage layer is arranged between the mounting ring and the bottom ring and is filled with bearing oil with FD-7 specification.

The noise reduction ring comprises a sound insulation ring, a sound absorption layer, a fixing buckle and a sound absorption ring, wherein the sound insulation ring is made of a high polymer rubber material and is arranged with the inner ring of the lubricating layer; the sound absorption layer is arranged between the sound insulation ring and the sound absorption ring, wherein the sound absorption layer and the sound absorption ring are both in a ring shape made of mineral wool material, and the sound absorption ring is arranged with the outer ring of the inner ring; the fixing buckle is provided with a plurality of fixing buckles, the fixing buckles are clamped between the sound insulation rings, the sound absorption layers and the sound absorption rings, and the fixing buckles are in a cross shape made of stainless steel materials.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of damping ring, the interact between the rubber molecule can hinder the motion of molecular chain in the buffering post when the bearing operation to demonstrate the damped characteristics of stickness, realize buffering damping's effect, and elasticity is excellent, and is tired resistant, and the adhesive property of metalwork is good.

2. The utility model discloses the setting of lubricating layer, the post of inhaling oil can be inhaled oil and get subsequent extrusion of being convenient for and paint, when the rolling element rotates the arc department that contacts extrusion and inhale the post of inhaling oil, thereby can extrude oil automatically and by even the painting of the effect of sponge form the one deck oil film on the rolling element surface, the improvement lubricated performance that is showing reduces frictional resistance, satisfies the requirement of using.

3. The utility model discloses the setting of making an uproar ring falls, structural design has realized the outer syllable-dividing effect of inner system sound absorption, the noise that produces when showing reduction the bearing operation, and inner structure adopts the cross joint to improve the fastness, is difficult for receiving the damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the damping ring of the present invention.

Fig. 3 is a schematic diagram of a lubricating layer group structure of the present invention.

Fig. 4 is a schematic diagram of the noise reduction ring structure of the present invention.

In the figure:

1-outer ring, 2-damping ring, 21-upper ring, 22-buffer column, 23-lower ring, 3-retainer, 4-rolling body, 5-lubricating layer, 51-mounting ring, 52-mounting hole, 53-oil absorption column, 54-oil storage layer, 55-bottom ring, 6-noise reduction ring, 61-sound insulation ring, 62-sound absorption layer, 63-fixing buckle, 64-sound absorption ring and 7-inner ring.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 4

The utility model provides a bearing with good lubricating property, which comprises an outer ring 1, a vibration damping ring 2, a retainer 3, a rolling body 4, a lubricating layer 5, a noise reduction ring 6 and an inner ring 7, wherein the vibration damping ring 2 is fixed on the inner side of the outer ring 1 through screws, and the retainer 3 is arranged on the inner side of the vibration damping ring 2; the rolling bodies 4 are sequentially embedded in the retainer 3, and the rolling bodies 4 are positioned between the damping ring 2 and the lubricating layer 5 and are in contact with the lubricating layer 5 and the damping ring 2; the lubricating layer 5 is positioned on the inner side of the rolling body 4, and the lubricating layer 5 and the damping ring 2 are installed in a clearance fit mode through the rolling body 4; the noise reduction ring 6 is arranged between the inner ring 7 and the lubricating layer 5 in an interference fit mode, and the inner ring 7 is located on the inner side of the noise reduction ring 6 and is arranged with the inner ring of the noise reduction ring 6.

The damping ring 2 comprises an upper ring 21, a buffer column 22 and a lower ring 23, wherein the upper ring 21 and the lower ring 23 are both in the shape of a ring made of stainless bearing steel and are in contact with the inner side of the outer ring 1, and the lower ring 23 is in contact with the outer side surface of the rolling body 4; buffer column 22 is equipped with a plurality of, and fixes between upper ring 21 and lower ring 23 in proper order through the screw, and this buffer column 22 adopts the post shape that NR natural elastic rubber made, and the interact between the rubber molecule can hinder the motion of molecular chain in buffer column 22 when the bearing operation to show the damped characteristics of stickness, realize buffering damping's effect, and elasticity is excellent, and is tired resistant, and the adhesive property with the metalwork is good.

The retainer 3 is in a ring shape made of high-carbon chromium bearing steel, and a plurality of rolling bodies 4 are sequentially embedded in the retainer 3; the rolling body 4 is in a spherical shape made of high-carbon chromium bearing steel, and the rolling body 4 is positioned between the damping ring 2 and the lubricating layer 5 and is in contact with the damping ring and the lubricating layer, so that the basic function of the bearing is realized, and the use requirement is met.

The lubricating layer 5 comprises a mounting ring 51, a mounting hole 52, an oil absorption column 53, an oil storage layer 54 and a bottom ring 55, wherein the mounting ring 51 and the bottom ring 55 are both made of carburizing bearing steel and are in a ring shape, and the inner ring of the bottom ring 55 is in contact with the noise reduction ring 6; a plurality of mounting holes 52 are sequentially formed in the mounting ring 51, one rolling body 4 is arranged at an interval, one mounting hole 52 is formed in the mounting ring 51, and a plurality of oil absorption columns 53 are sequentially fixed between the side walls of the mounting holes 52 through screws; the oil absorption column 53 is in a cylindrical shape made of sponge rubber cotton, the top end of the oil absorption column 53 is in an arc shape and is in contact with the surface of the rolling element 4, and the bottom end of the oil absorption column 53 is positioned in the oil storage layer 54; the oil storage layer 54 is arranged between the mounting ring 51 and the bottom ring 55, bearing oil with FD-7 specification is filled in the oil storage layer 54, the oil absorption column 53 can absorb the oil in the oil storage layer 54 so as to facilitate subsequent extrusion coating, and when the rolling element 4 rotates to contact with the arc part of the extrusion oil absorption column 53, the oil can be automatically extruded out and uniformly coated on the surface of the rolling element 4 under the action of sponge so as to form a layer of oil film, so that the lubricating performance is remarkably improved, the friction resistance is reduced, and the use requirement is met.

The noise reduction ring 6 comprises a sound insulation ring 61, a sound absorption layer 62, a fixing buckle 63 and a sound absorption ring 64, wherein the sound insulation ring 61 is made of a high polymer rubber material and is arranged with the inner ring of the lubricating layer 5; the sound absorption layer 62 is arranged between the sound insulation ring 61 and the sound absorption ring 64, wherein the sound absorption layer 62 and the sound absorption ring 64 are both in a ring shape made of mineral wool material, and the sound absorption ring 64 is arranged with the outer ring of the inner ring 7; fixed knot 63 is equipped with a plurality of, and fixed knot 63 joint is at sound insulation ring 61, sound absorbing layer 62 with inhale between the sound ring 64, should fix the cross form that knot 63 adopted stainless steel material to make, structural design has realized the outer syllable-dividing effect of interior sound absorption, the noise that produces when showing the reduction bearing operation, and inner structure adopts the cross joint to improve the fastness, is difficult for receiving the damage.

Principle of operation

The utility model discloses in, adopt interference fit and pivot installation with the inner ring 7 of bearing, just start working after outer loop 1 is fixed as required, rolling element 4 reciprocating rotation can extrude the arcwall face of the oil absorption post 53 that contacts with it when rotating to extrude the oil absorption post 53 of rubber cotton material from the oil reservoir 54 absorbed oil, and even painting forms the one deck oil film at the surface of rolling element 4 under the pivoted effect, the improvement of showing lubricated performance, reduce frictional resistance. In the rotating process, due to the fact that the plurality of buffer columns 22 in the vibration reduction ring 2 are arranged in sequence, the movement of a molecular chain can be hindered under the interaction between rubber molecules, the characteristic of viscous damping is shown, the integral vibration reduction effect of the bearing is achieved, and the work is more stable and reliable. The friction noise that bearing work inner ring 7 and pivot rotation produced can get into sound absorbing layer 62 and sound insulating ring 61 under the effect of inhaling the tiny micropore in sound ring 64 surface to do mechanical vibration by inside polymer fibril, thereby make the sound energy change into heat energy and reach the purpose of making an uproar, the noise that the reduction bearing during operation that is showing, and the fixed knot 63 of inside cross shape enables sound insulating ring 61 more firmly not fragile, the process of accomplishing work.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A bearing having excellent lubricity, characterized in that: the damping device comprises an outer ring (1), a damping ring (2), a retainer (3), a rolling body (4), a lubricating layer (5), a noise reduction ring (6) and an inner ring (7), wherein the damping ring (2) is fixed on the inner side of the outer ring (1) through screws, and the retainer (3) is arranged on the inner side of the damping ring (2); the rolling bodies (4) are sequentially embedded in the retainer (3), and the rolling bodies (4) are positioned between the damping ring (2) and the lubricating layer (5) and are in contact with the lubricating layer (5) and the damping ring (2); the lubricating layer (5) is positioned on the inner side of the rolling body (4), and the lubricating layer (5) and the damping ring (2) are installed in a clearance fit mode through the rolling body (4); the noise reduction ring (6) is arranged between the inner ring (7) and the lubricating layer (5) in an interference fit mode, and the inner ring (7) is located on the inner side of the noise reduction ring (6) and is arranged with the inner ring of the noise reduction ring (6).

2. The good-lubricity bearing according to claim 1, wherein: the damping ring (2) comprises an upper ring (21), a buffer column (22) and a lower ring (23), wherein the upper ring (21) and the lower ring (23) are both in the shape of a ring made of stainless bearing steel and are in contact with the inner side of the outer ring (1), and the lower ring (23) is in contact with the outer side surface of the rolling body (4); the buffer columns (22) are provided with a plurality of buffer columns and are sequentially fixed between the upper ring (21) and the lower ring (23) through screws, and the buffer columns (22) are in column shapes made of NR natural elastic rubber.

3. The good-lubricity bearing according to claim 1, wherein: the retainer (3) is in a ring shape made of high-carbon chromium bearing steel, and a plurality of rolling bodies (4) are sequentially embedded in the retainer (3); the rolling bodies (4) are spherical and made of high-carbon chromium bearing steel.

4. The good-lubricity bearing according to claim 1, wherein: the lubricating layer (5) comprises a mounting ring (51), a mounting hole (52), an oil absorption column (53), an oil storage layer (54) and a bottom ring (55), wherein the mounting ring (51) and the bottom ring (55) are both in a ring shape made of carburizing bearing steel, and an inner ring of the bottom ring (55) is in contact with the noise reduction ring (6); a plurality of mounting holes (52) are sequentially formed in the mounting ring (51), one rolling body (4) is arranged at intervals, one mounting hole (52) is formed in the mounting ring (51), and a plurality of oil absorption columns (53) are sequentially fixed between the side walls of the mounting holes (52) through screws; the oil absorption column (53) is in a cylindrical shape made of sponge rubber cotton, the top end of the oil absorption column (53) is arranged in an arc shape and is in contact with the surface of the rolling body (4), and the bottom end of the oil absorption column (53) is positioned in the oil storage layer (54); the oil storage layer (54) is arranged between the mounting ring (51) and the bottom ring (55), and bearing oil with FD-7 specification is filled in the oil storage layer (54).

5. The good-lubricity bearing according to claim 1, wherein: the noise reduction ring (6) comprises a sound insulation ring (61), a sound absorption layer (62), a fixing buckle (63) and a sound absorption ring (64), wherein the sound insulation ring (61) is made of a high polymer rubber material and is arranged with the inner ring of the lubricating layer (5); the sound absorption layer (62) is arranged between the sound insulation ring (61) and the sound absorption ring (64), wherein the sound absorption layer (62) and the sound absorption ring (64) are both in a ring shape made of mineral slag wool materials, and the sound absorption ring (64) is installed with the outer ring of the inner ring (7); fixed knot (63) are equipped with a plurality of, and fixed knot (63) joint is in sound insulation ring (61), sound absorbing layer (62) and inhale between sound ring (64), and this fixed knot (63) adopt the cross that stainless steel material made to appear.