CN115929792A

CN115929792A - High-strength bearing

Info

Publication number: CN115929792A
Application number: CN202211208193.0A
Authority: CN
Inventors: 蔡秋敏; 周亮; 蔡财鸿; 董磊杰; 刘吕胜
Original assignee: Shenzhen Dingchengjia Technology Co ltd
Current assignee: Shenzhen Dingchengjia Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-07

Abstract

The invention relates to the field of bearings and discloses a high-strength bearing which comprises an inner ring, a plurality of balls and an outer ring which are sequentially arranged from inside to outside, wherein an air guide assembly is fixedly arranged on the inner ring and the outer ring together, a supporting assembly used for supporting the plurality of balls is movably arranged between the outer ring and the inner ring, and the supporting assembly comprises two retainers movably clamped with the balls and a plurality of placing grooves formed in the retainers. According to the invention, through the matching among the supporting assembly, the lubricating assembly, the ball and the adjusting assembly, the ball has various rotating tracks, the rotating direction of the ball can be continuously adjusted, the contact positions of the ball, the coating roller and the retainer are continuously changed, and the concave design of the coating roller is matched, so that the ball rolling element structure can be effectively suitable for ball rolling elements; because the contact position of the ball and the coating roller is changed, the integral lubrication of the ball rolling body can be realized, and because the contact position of the ball and the retainer is changed, the lubrication degree of the ball rolling body and the retainer can be ensured.

Description

High-strength bearing

Technical Field

The invention relates to the technical field of bearings, in particular to a high-strength bearing.

Background

The bearing is an important part in modern industry and mainly comprises a bearing inner ring, a retainer, a bearing outer ring and rolling bodies arranged on the retainer. In the use process of the bearing, a large amount of heat is generated due to friction, so that lubricating oil is required to be added to the rolling body frequently to cool and lubricate the bearing.

Chinese patent publication No. CN110671433B discloses a bearing with heat dissipation and lubrication functions, which comprises an outer ring, an inner ring and a retainer, wherein the retainer is connected with a rolling body in an equidistant rotating manner, the length of the inner ring is greater than that of the outer ring, the inner ring is fixedly sleeved with an air compressing impeller, and the bearing also comprises an air flow cover which covers the air compressing impeller and is fixed on the outer ring; the invention can realize the automatic heat dissipation function of the bearing, effectively control the temperature rise of the bearing, realize automatic lubrication, and better protect the bearing without manually adding lubricating oil.

The device can be effectively suitable for the cylinder rolling element, but in practical use, a plurality of bearings adopt the ball rolling element, but the device can not be suitable for the ball rolling element, and certain use limitation exists.

Therefore, it is necessary to provide a high-strength bearing to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a high-strength bearing to solve the problems that ball rolling bodies are adopted in many bearings in the background art, and the device cannot be applied to the ball rolling bodies.

To achieve the above object, a high-strength bearing is provided which can be effectively applied to ball rolling elements.

Based on the above thought, the invention provides the following technical scheme: the utility model provides a high strength bearing, includes inner circle, a plurality of ball and the outer lane that sets gradually from inside to outside, the common fixed mounting of inner circle and outer lane has the air guide assembly, the activity is provided with the supporting component who is used for supporting a plurality of ball between outer lane and the inner circle, the supporting component includes with two holders of ball activity block and set up a plurality of standing groove in the holder, the surface of holder runs through set up with the air guide assembly position correspond and with a plurality of standing groove a plurality of round hole of switch-on one by one, rotate between two round holes that correspond from top to bottom and install the lubricated subassembly that offsets with the ball, the lubricated subassembly includes first belt pulley and all corresponds the coating roller that offsets with both sides ball, the coating roller is the indent design along axial direction, fixed mounting has the feed supplement subassembly with the laminating of coating roller activity on the holder, the inside of standing groove is provided with the adjusting part that is connected with first belt pulley transmission and offsets with the ball.

As a further scheme of the invention: the surface of the retainer, which is close to the balls, is provided with a plurality of notches communicated with the placing grooves one by one, and the balls are arranged between the two notches which correspond up and down.

As a further scheme of the invention: and sealing rings are arranged between the retainer and the outer ring and between the retainer and the inner ring.

As a further scheme of the invention: the feed supplement component comprises a shell fixedly connected with the retainer, a graphite lubricating block movably attached to the coating roller is arranged inside the shell, and an elastic cushion block used for driving the graphite lubricating block to move towards the coating roller is arranged on the inner wall of the shell.

As a further scheme of the invention: the adjusting component comprises a short rod fixedly connected with the placing groove and a roller which is abutted to the ball, a second belt pulley and a first bevel gear which are in transmission connection with the first belt pulley are fixedly installed on the outer surface of the short rod, and a second bevel gear which is fixedly connected with the roller is in transmission connection with the first bevel gear.

As a further scheme of the invention: the quantity of gyro wheel is a plurality of, connects through the universal joint transmission between a plurality of gyro wheel, and one of them gyro wheel and second bevel gear fixed connection, and two gyro wheels that are located marginal all pass through branch and the cell wall fixed connection of standing groove.

As a further scheme of the invention: the air guide assembly comprises a housing fixedly connected with the outer ring and an impeller fixedly sleeved on the outer surface of the inner ring, an air inlet is formed in the outer surface of the housing, and a through hole corresponding to the position of the round hole is formed in the bottom of the housing.

As a further scheme of the invention: the inside fixed mounting of coating roller has with round hole normal running fit's hollow post, the fixed cover of first belt pulley is established at the surface of hollow post, and a plurality of recess has been seted up on the surface that the coating roller offseted with the ball.

As a further scheme of the invention: the inside slidable mounting of recess has the removal subassembly, and the removal subassembly includes relative coating roller and is axial protrusion and with coating roller sliding fit's guide pillar, the guide way of seting up with guide pillar activity block on the surface of holder.

As a further scheme of the invention: the guide way comprises two circle sections and two V-arrangement sections intercommunication that are the staggered arrangement, and the sharp mouth of two V-arrangement sections corresponds towards the ball of both sides.

As a further scheme of the invention: the moving assembly further comprises a push plate which is in sliding fit with the groove and is movably connected with the guide pillar, and the push plate is matched with the groove in shape and size.

The invention also provides the following technical scheme: a use method of a high-strength bearing comprises the following steps:

s1, the inner ring is connected with an external rotating shaft in a matched mode, the rotating shaft drives the inner ring, the retainer and the air guide assembly to synchronously rotate when rotating, the retainer drives the balls to rotate along the inner wall of the outer ring, and the balls can also automatically rotate;

s2, the coating roller rotates along with the ball, on one hand, graphite of the material supplementing assembly is coated on the surface of the ball, and on the other hand, the ball is added with another self-rotation track through the first belt pulley and the adjusting assembly;

and S3, when the air guide assembly corresponds to one of the round holes, the air is discharged from the lower round hole through the upper round hole and the inner part of the coating roller.

Compared with the prior art, the invention has the beneficial effects that: through the matching among the supporting component, the lubricating component, the balls and the adjusting component, the balls have various rotating tracks, the rotating direction of the balls can be continuously adjusted, the contact positions of the balls, the coating roller and the retainer are continuously changed to match the concave design of the coating roller, and the ball rolling device can be effectively suitable for ball rolling bodies; the contact position of the ball and the coating roller is changed, so that the integral lubrication of the ball rolling body can be realized, the contact position of the ball and the retainer is changed, the lubrication degree of the ball rolling body and the retainer can be ensured, the integral lubrication effect is better, and the working cost is lower; when the ball rotates, the gas continuously circulates from the top to the bottom from the round hole, a large amount of heat can be driven, the whole heat dissipation speed can be accelerated, and the practicability is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a schematic view of the gas directing assembly of the present invention;

FIG. 3 is a schematic view of the inner race and ball bearing configuration of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the guide post and the guide groove of the present invention;

FIG. 6 is a schematic view of the internal structure of the coating roller of the present invention;

FIG. 7 is a schematic view of the internal structure of the placement groove of the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 7 at C;

FIG. 9 is a schematic view of the gimbal and roller arrangement of the present invention;

fig. 10 is an enlarged view of the structure at B in fig. 6.

In the figure: 1. a support assembly; 2. a feed supplement assembly; 3. a lubrication assembly; 4. a ball bearing; 5. a moving assembly; 6. an air guide assembly; 7. an adjustment assembly; 8. an inner ring; 9. an outer ring; 101. a cage; 102. a circular hole; 103. a guide groove; 104. a notch; 105. a placement groove; 201. a housing; 202. an elastic cushion block; 203. a graphite lubricating block; 301. a coating roller; 302. a hollow column; 303. a groove; 304. a first pulley; 501. pushing the plate; 502. a guide post; 601. a housing; 602. an impeller; 603. a through hole; 701. a short bar; 702. a second pulley; 703. a first bevel gear; 704. a second bevel gear; 705. a roller; 706. a universal joint.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 to 7, an embodiment of the present invention provides a high strength bearing: the bearing comprises an outer ring 9, an inner ring 8 arranged in the outer ring 9 and a plurality of balls 4 arranged between the outer ring 9 and the inner ring 8, wherein the outer ring 9, the inner ring 8 and the balls 4 are all the existing mature technologies and are not described in detail herein; the inner ring 8 and the outer ring 9 are fixedly provided with the air guide assembly 6 together, when the inner ring 8 rotates, air can be guided through the air guide assembly 6, and the air guide assembly 6 is positioned above the outer ring 9 in the embodiment.

A supporting component 1 for supporting a plurality of balls 4 is movably arranged between the outer ring 9 and the inner ring 8, the supporting component 1 comprises a retainer 101 movably clamped with the balls 4 and a plurality of placing grooves 105 arranged in the retainer 101, the retainer 101 is provided with two and is vertically and symmetrically distributed by taking the balls 4 as a center, a plurality of round holes 102 corresponding to the air guide component 6 and communicated with the placing grooves 105 one by one are arranged on the surface of the retainer 101 in a penetrating manner, a lubricating component 3 abutting against the balls 4 is rotatably arranged between the two round holes 102 corresponding to the upper and lower sides, the lubricating component 3 comprises a first belt pulley 304 and coating rollers 301 abutting against the balls 4 on two sides, the coating rollers 301 are designed in a concave manner along the axial center, a material supplementing component 2 movably attached to the coating rollers 301 is fixedly arranged on the retainer 101, the material supplementing component 2 is provided with a plurality of coating rollers 301 and corresponds to one by one, and certainly, two material supplementing components 2 can be correspondingly arranged on one coating roller 301 as shown in fig. 6; the placing groove 105 is internally provided with an adjusting component 7 which is in transmission connection with the first belt pulley 304 and is propped against the ball 4.

Wherein, the outer ring 9, the inner ring 8, the retainer 101 and the ball 4 are all made of high-carbon chromium bearing steel, which has high strength, abrasion resistance and excellent performance.

In the present embodiment, it is preferable that: when the air guide device is used, the inner ring 8 is connected with an external rotating shaft in a matched mode, the rotating shaft drives the inner ring 8 to synchronously rotate when rotating, the inner ring 8 drives the retainer 101 and the air guide assembly 6 to rotate, the retainer 101 drives the balls 4 to rotate along the inner wall of the outer ring 9, the balls 4 can also rotate automatically at the moment, and the self-rotation center line of the self-rotation center line is a vertical connecting line of the upper retainer 101 and the lower retainer 101; because the ball 4 is arranged against the coating roller 301, the coating roller 301 can rotate along with the ball 4, and when the coating roller 301 rotates, on one hand, the graphite of the supplementary material assembly 2 is continuously coated on the surface of the ball 4, on the other hand, the first belt pulley 304 can drive the adjusting assembly 7 to synchronously rotate, and because the adjusting assembly 7 is arranged against the ball 4, the ball 4 can be driven to rotate automatically while keeping a vertical linear track, another type of self-rotation track is added, and the rotation central line of the track is the central connecting line of two corresponding coating rollers 301.

The rotation of the air guide assembly 6 generates air flow, when the air guide assembly 6 corresponds to one of the circular holes 102, the air enters the interior of the coating roller 301 from the upper circular hole 102 and is discharged from the lower circular hole 102 through the coating roller 301; in actual use, the surface of the coating roller 301 may be provided with air holes communicating with the circular holes 102 so that air in the air holes is blown to the surface of the balls 4.

Through the matching of the structures of the supporting component 1, the lubricating component 3, the balls 4, the adjusting component 7 and the like, in the process that the inner ring 8 drives the balls 4 to rotate, the inner ring has various rotating tracks, the rotating direction of the balls 4 can be continuously adjusted, the contact positions of the balls 4 and the coating roller 301 are continuously changed, the contact positions of the balls 4 and the retainer 101 are continuously changed, and the concave design of the coating roller 301 is matched, so that the inner ring can normally run when using ball rolling bodies (the balls 4); simultaneously because the change of ball 4 and coating roller 301 contact position, can realize the whole lubrication of ball rolling element (ball 4), because the change of ball 4 and holder 101 contact position, and then can guarantee the degree of lubrication of ball rolling element (ball 4) and holder 101, need not to install graphite lubricating ring and elastic washer additional like the contrast file proposes among the background art, not only holistic lubricated effect is better, has reduced working cost moreover. When the ball 4 rotates, the gas continuously circulates from the round hole 102 to the bottom from the top, so that a large amount of heat can be driven, the gas can be directly guided to blow to the surface of the ball 4, the whole heat dissipation is facilitated, and the whole practicability is higher.

Example two:

referring to fig. 1 to 9, on the basis of the first embodiment, a plurality of notches 104 communicated with a plurality of placing grooves 105 are respectively formed on opposite sides of two holding frames 101, the balls 4 are arranged between two corresponding notches 104 and movably clamped with the holding frames 101, and the coating roller 301 is arranged between the two balls 4, so that the plurality of round holes 102 and the plurality of balls 4 (notches 104) are sequentially arranged in a staggered manner; sealing rings are movably arranged between the retainer 101 and the outer ring 9 and between the retainer 101 and the inner ring 8 to keep airtightness.

The material supplementing assembly 2 comprises a shell 201 fixedly connected with the retainer 101, the shell 201 is in a U-shaped design, a graphite lubricating block 203 movably attached to the coating roller 301 is arranged inside the shell 201, an elastic cushion block 202 used for driving the graphite lubricating block 203 to move towards the coating roller 301 is arranged on the inner side wall of the shell 201, and stable supply of graphite to the coating roller 301 can be achieved; through the sealing ring of the retainer 101, the graphite can be prevented from flying upward and impurities can be prevented from entering and influencing the rotation of the ball 4, wherein the graphite lubricating block 203 and the elastic cushion block 202 are the existing mature technologies and are not described in detail here.

A hollow column 302 which is in running fit with the round hole 102 is arranged in the coating roller 301 in a penetrating and fixed mode, and the hollow column 302 can realize the positioning of the coating roller 301 and the relative fixing of the two retainers 101; the first belt pulley 304 is fixedly sleeved on the outer surface of the hollow column 302, and a plurality of grooves 303 are formed on the surface of the coating roller 301, which is abutted to the balls 4, for accommodating graphite.

The adjusting assembly 7 comprises a short rod 701 fixedly connected with the placing groove 105 and a roller 705 abutted against the ball 4, a second belt pulley 702 and a first bevel gear 703 which are in transmission connection with the first belt pulley 304 through a belt are fixedly installed on the outer surface of the short rod 701, the first bevel gear 703 is in transmission connection with a second bevel gear 704 fixedly connected with the roller 705, and therefore the first belt pulley 304, the first bevel gear 703, the second bevel gear 704 and the roller 705 can synchronously rotate.

The air guide assembly 6 comprises a housing 601 fixedly connected with the outer ring 9 and an impeller 602 fixedly sleeved on the outer surface of the inner ring 8, the outer surface of the housing 601 is provided with an air inlet, and a filter screen can be additionally arranged on the air inlet to prevent impurities from entering the housing; the bottom of the housing 601 is provided with a through hole 603 corresponding to the position of the circular hole 102, and the through hole 603 and the circular holes 102 are on the same circular track.

In the present embodiment, it is preferable that: when the inner ring 8 drives the retainer 101 and the impeller 602 to rotate, the retainer 101 drives the balls 4 to rotate along the inner wall of the outer ring 9, and the balls 4 can also rotate by themselves, wherein the self-rotation central line is a vertical connection line of the upper notch 104 and the lower notch 104; the ball 4 can drive the coating roller 301 to synchronously rotate, the coating roller 301 continuously scrapes off graphite of the graphite lubricating block 203 during rotation, so that the surface of the coating roller 301 is dyed with graphite and stored in the groove 303, and the graphite can be coated on the surface of the ball 4 along with the rotation of the coating roller 301 and the ball 4; when the coating roller 301 rotates, on the other hand, the hollow column 302 drives the first belt pulley 304 to rotate, the first belt pulley 304 drives the second belt pulley 702 to rotate through a belt, the second belt pulley 702 drives the first bevel gear 703 to rotate through the short rod 701, the second bevel gear 704 drives the roller 705 to rotate through the second bevel gear 704, the roller 705 can drive the ball 4 to increase another self-rotation track on the basis of keeping the self-rotation of the vertical linear track, and the rotation center line of the track is the center connecting line of two corresponding coating rollers 301.

The rotation of the impeller 602 generates a gas flow through the gas inlet, and when the through hole 603 corresponds to one of the circular holes 102, the gas enters the hollow cylinder 302 from the upper circular hole 102, then passes through the coating roller 301 from the hollow cylinder 302, and finally is discharged from the lower circular hole 102.

Through the cooperation of structures such as holder 101, coating roller 301, ball 4 and gyro wheel 705, give its multiple rotation orbit when ball 4 rotates, can constantly adjust the direction of rotation of ball 4, and then continuously change the contact position of ball 4 with coating roller 301 and continuously change the contact position of ball 4 with breach 104, cooperate the indent design of coating roller 301, can perfectly be applicable to ball rolling element (ball 4). Because the contact position of the ball 4 and the coating roller 301 is changed, all surfaces of the ball 4 can be in contact with the coating roller 301, all surfaces of the ball 4 can be lubricated by graphite, and the integral lubrication of the ball rolling body (the ball 4) can be realized; because the change of ball 4 and breach 104 contact position, and because the whole faces of ball 4 all can obtain graphite lubrication for graphite also can get into inside breach 104 along with ball 4's rotation, and then can guarantee the lubrication degree of ball rolling element (ball 4) and breach 104, need not to install graphite lubrication ring and elastic washer additional, not only holistic lubricated effect is better, has saved working cost moreover. When the ball 4 rotates, the gas continuously circulates from the circular hole 102 to the bottom from the top, a large amount of heat can be driven, and the gas can be directly guided to blow to the surface of the ball 4, so that the overall heat dissipation speed is increased, and more requirements in actual use are met.

As a further improvement of the present embodiment: in practical use, as shown in fig. 9, the number of the rollers 705 can be increased, in this embodiment, three rollers 705 are provided, the three rollers 705 are in transmission connection through the universal joint 706 and are driven by the middle roller 705, the rollers 705 at the two sides are both in rotation connection with the groove wall of the placement groove 105 through the support rod, and certainly, the rollers 705 at the left side or the rollers 705 at the right side can also be driven; wherein the universal joint 706 is well-known in the art and will not be described in detail herein.

When the middle roller 705 rotates, the rollers 705 on both sides can rotate synchronously, and because the additional rollers 705 are all abutted against the balls 4, the friction force can be increased to stably drive the balls 4 to rotate, and the rotation center line of the balls 4 is the center connecting line corresponding to the two coating rollers 301.

Example three:

referring to fig. 1 to 10, on the basis of the second embodiment, the moving assembly 5 is slidably mounted inside each groove 303, the moving assembly 5 includes four guide pillars 502 axially protruding relative to the coating roller 301 and slidably fitting with the coating roller 301, in this embodiment, the number of the grooves 303 is four, the four guide pillars 502 of each coating roller 301 are also four, the four guide pillars 502 are arranged in a cross shape, the surface of the coating roller 301 is provided with a sliding groove for the guide pillars 502 to slide, and the sliding groove is perpendicular to the hollow pillar 302; the surface of the holder 101 is provided with guide grooves 103 movably engaged with the four guide posts 502.

The guide groove 103 is arranged outside the corresponding round hole 102, the guide groove 103 is formed by communicating two round sections and two V-shaped sections, the size of the round sections is smaller than a half circle, the two round sections and the two V-shaped sections are arranged in a staggered mode, the sharp mouths of the two V-shaped sections correspond to the balls 4 facing to the two sides, and meanwhile the distance between the V-shaped sections and the center of the guide groove is larger than that of the round sections; in order to ensure the stability of the guide posts 502 driving the moving assembly 5 to move, the guide grooves 103 may be formed in both the two holders 101, and the guide posts 502 are protruded from both the upper and lower sides of the corresponding coating roller 301.

The moving assembly 5 further comprises a push plate 501 slidably fitted in the groove 303 and movably connected to the guide post 502, the push plate 501 and the groove 303 are both adaptive in shape and size, and under the guidance of the guide post 502, the push plate 501 can be relatively close to or far away from the hollow post 302.

In the present embodiment, it is preferable that: when the ball 4 drives the coating roller 301 to rotate, on one hand, the coating roller 301 continuously scrapes off graphite of the graphite lubricating block 203, so that the surface of the coating roller 301 is dyed with graphite and stored in the groove 303, the graphite can be coated on the surface of the ball 4 along with the rotation of the coating roller 301 and the ball 4, and the graphite stored in the groove 303 is blocked by the push plate 501; on the other hand, the coating rollers 301 drive the roller 705 to rotate through the matching of structures such as the hollow column 302, the first belt pulley 304, the first bevel gear 703 and the second bevel gear 704, and the roller 705 drives the balls 4 to rotate by taking the central connecting line of the two coating rollers 301 as a rotation central line; the coating roller 301 drives the push plate 501 to synchronously rotate through the groove 303, the push plate 501 drives the guide post 502 to synchronously rotate along the guide groove 103, when the guide post 502 passes through the circular section, the push plate 501 is driven to be accommodated inside the groove 303, graphite in the groove 303 is still at the moment, when the guide post 502 passes through the V-shaped section, the push plate 501 is driven to be relatively far away from the hollow column 302, at the moment, the push plate 501 can be driven to move out of the groove 303, the graphite in the groove 303 is outwards and completely pushed out, and when the push plate 501 moves to be attached to the surface of the coating roller 301, the guide post 502 drives the push plate 501 to reset into the groove 303; because of the opposing arrangement of the two V-shaped sections and the ball 4, the push plate 501 will only move out of the groove 303 to push the graphite out when it is just opposite the ball 4.

In the second embodiment, although the groove 303 is provided to store certain graphite to ensure the lubricating effect of the coating roller 301 on the balls 4, the graphite entering the groove 303 cannot be fully utilized, that is, the graphite entering the groove 303 cannot be completely output to the balls 4, so that the waste of resources is caused, and meanwhile, the later period of use requires workers to take time and labor to clean, so that certain use limitation exists. Compared with the second embodiment, through the matching of the coating roller 301, the push plate 501, the guide groove 103, the guide post 502 and other structures, when the coating roller 301 rotates, not only can graphite coating on the balls 4 be realized, but also the roller 705 can be driven to rotate so as to realize rotation adjustment of the balls 4, and the push plate 501 can be driven to reciprocate; and only just can release the realization transport completely with graphite when push pedal 501 and ball 4 are relative, and then had both guaranteed the lubricated effect of ball 4, had also guaranteed the effective utilization of graphite, had improved the productivity effect, and the later stage also need not the staff and clears up simultaneously, has alleviateed staff's work burden, and the better utilization of the rotation of coating roller 301 gets up moreover, and the suitability is stronger.

Claims

1. A high-strength bearing comprises an inner ring, a plurality of balls and an outer ring which are sequentially arranged from inside to outside, wherein an air guide assembly is fixedly arranged on the inner ring and the outer ring together, and the high-strength bearing is characterized in that a supporting assembly used for supporting the balls is movably arranged between the outer ring and the inner ring; the surface of the retainer, which is close to the balls, is provided with a plurality of notches which are communicated with the placing grooves one by one, and the balls are arranged between the two notches which correspond up and down.

2. The high strength bearing of claim 1, wherein a seal ring is disposed between the cage and the outer race and between the cage and the inner race.

3. The high-strength bearing as claimed in claim 1, wherein the supplementary material assembly comprises a housing fixedly connected with the holder, a graphite lubricating block movably attached to the coating roller is disposed inside the housing, and an elastic cushion block for driving the graphite lubricating block to move towards the coating roller is disposed on an inner wall of the housing.

4. The high-strength bearing of claim 1, wherein the adjusting assembly comprises a short rod fixedly connected with the placing groove and a roller abutting against the ball, a second belt pulley and a first bevel gear are fixedly arranged on the outer surface of the short rod and are in transmission connection with the first belt pulley, and the first bevel gear is in transmission connection with a second bevel gear fixedly connected with the roller.

5. The high-strength bearing of claim 4, wherein the number of the rollers is several, several rollers are connected with each other through a universal joint, one of the rollers is fixedly connected with the second bevel gear, and two rollers located at the edge are fixedly connected with the groove wall of the placing groove through a supporting rod.

6. The high-strength bearing as claimed in claim 1, wherein the air guide assembly comprises a housing fixedly connected to the outer ring and an impeller fixedly sleeved on an outer surface of the inner ring, an air inlet is formed on an outer surface of the housing, and a through hole corresponding to the circular hole is formed in a bottom of the housing.

7. The high-strength bearing as claimed in claim 1, wherein the coating roller has a hollow cylinder rotatably engaged with the circular hole, the first pulley is fixedly secured to an outer surface of the hollow cylinder, and a plurality of grooves are formed on a surface of the coating roller abutting against the balls.

8. The high-strength bearing according to any one of claims 1 to 7, wherein a moving assembly is slidably mounted inside the groove, the moving assembly comprises a guide post axially protruding relative to the coating roller and slidably engaged with the coating roller, and a guide groove movably engaged with the guide post is formed on the surface of the retainer; the guide way comprises two circle sections and two V-shaped sections which are arranged in a staggered mode, and the sharp openings of the two V-shaped sections correspond to the balls facing the two sides.

9. The high strength bearing of claim 8, wherein the moving assembly further comprises a push plate slidably engaged with the groove and movably connected with the guide post, the push plate and the groove are adapted in shape and size.

10. The use method of the high-strength bearing is characterized by comprising the following steps: