CN216714985U

CN216714985U - Cylindrical bearing convenient for roller replacement

Info

Publication number: CN216714985U
Application number: CN202123019308.5U
Authority: CN
Inventors: 刘馨蔚; 李英超
Original assignee: Wafangdian Weiyuan Bearing Manufacturing Co ltd
Current assignee: Wafangdian Weiyuan Bearing Manufacturing Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-10
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a cylindrical bearing convenient for roller replacement, which belongs to the technical field of bearings and comprises a bearing outer ring, wherein a bearing retainer is arranged in the bearing outer ring, a bearing inner ring is arranged on the inner wall of the bearing retainer, the left side surface of the bearing retainer is in lap joint with the right side surface of a retainer extending frame, a movable frame is clamped on the right side surface of the retainer extending frame, and the movable frame is arranged on the inner wall of the bearing retainer. This cylindrical bearing convenient to carry out roller and change, through setting up holder extension frame, the bearing holder, the extrusion ball, activity fixture block and draw-in groove, when movable fixture block removal was kept away from to control lever and extrusion ball, the magnetic force between two activity fixture blocks adsorbs each other and controls activity fixture block and draw-in groove separation, can directly take off holder extension frame afterwards, can take off the roller of damage as required, this device is to the change process easy operation of roller, can save a large amount of time, make the practicality and the flexibility more ideal of this device.

Description

Cylindrical bearing convenient for roller replacement

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a cylindrical bearing convenient for roller replacement.

Background

The bearing can bear great radial load at the roller in the use, and it is higher that it appears damaging the probability, but even appear that a small part of roller damages in the current bearing, also need to pull down whole bearing retainer is whole, will damage the roller and take off, selects the assembly of bearing retainer after the new roller equipment, and the operation is comparatively loaded down with trivial details, can greatly consume time, consequently needs a cylindrical bearing who is convenient for carry out the roller and changes to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a cylindrical bearing convenient for roller replacement, and solves the problems that the operation is complicated and the time is greatly consumed because the whole bearing retainer needs to be completely disassembled and the damaged rollers need to be removed even if a small part of rollers are damaged in the conventional bearing, and the bearing retainer is assembled after a new roller is selected for assembly.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cylindrical bearing convenient to carry out roller and change, includes the bearing inner race, the inside bearing holder that is provided with of bearing inner race, bearing holder inner wall is provided with the bearing inner race, the left surface of bearing holder and the right flank overlap joint that the frame was extended to the holder, the right flank joint that the frame was extended to the holder has the expansion frame, the expansion frame sets up at bearing holder inner wall.

The upper surface and the lower surface of adjustable frame all joint have the movable sleeve, the outer surface overlap joint of movable sleeve inner wall and activity fixture block, the surface and the draw-in groove inner wall overlap joint of activity fixture block, the draw-in groove is seted up at the bearing holder inner wall, two the opposite face of activity fixture block overlaps joint with the upper surface and the lower surface of extrusion ball respectively.

The left side of holder extension frame has been pegged graft into oil pipe, the right-hand member that advances oil pipe communicates with the left end of oil passageway, the oil passageway is seted up at the left surface of bearing holder, oil passageway and advance oil pipe surface and all be provided with a plurality of oil-soaked cottons.

As a further scheme of the utility model: the right side of the inner wall of the bearing retainer and the right side of the retainer extension frame are both provided with a plurality of balls, and the balls on the right side of the inner wall of the bearing retainer correspond to the balls on the right side of the retainer extension frame in position.

As a further scheme of the utility model: the outer surface of the oil inlet pipe is provided with a one-way valve, the right side surface of the extrusion ball is fixedly connected with the left end of the connecting spring, and the right end of the connecting spring is fixedly connected with the right side surface of the inner wall of the movable frame.

As a further scheme of the utility model: the left side of extrusion ball and the right-hand member fixed connection of control lever, the surface of control lever and the inner wall overlap joint of uide bushing, the uide bushing joint is at the left surface of activity frame inner wall.

As a further scheme of the utility model: the shape and the size of the movable clamping blocks correspond to those of the clamping grooves respectively, the surfaces, far away from each other, of the two movable clamping blocks are both arranged to be inclined, and the two movable clamping blocks have opposite magnetism.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. this cylindrical bearing convenient to carry out roller and change, through setting up holder extension frame, the bearing holder, the extrusion ball, activity fixture block and draw-in groove, when movable fixture block removal was kept away from to control lever and extrusion ball, the magnetic force between two activity fixture blocks adsorbs each other and controls activity fixture block and draw-in groove separation, can directly take off holder extension frame afterwards, can take off the roller of damage as required, this device is to the change process easy operation of roller, can save a large amount of time, make the practicality and the flexibility more ideal of this device.

2. This cylindrical bearing convenient to carry out roller and change advances oil pipe, oil passageway and immersion oil cotton through the setting, can scribble lubricating oil through advancing oil pipe and oil passageway to the cotton surface of immersion oil, and the immersion oil cotton can be cleaned on the roller surface, makes the roller can constantly be scribbled by immersion oil cotton surface lubricating oil in the pivoted, guarantees that holistic lubricated effect is comparatively ideal.

3. This cylindrical bearing convenient to carry out roller and change through setting up the ball, the ball can reduce the frictional force between roller and the bearing holder, when the roller received axial load, avoids the circumstances of the increase of in close contact friction between roller and the bearing holder, makes the steady operation of this device.

Drawings

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

FIG. 2 is a schematic perspective view of a bearing cage according to the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic sectional view of a front view of the bearing retainer of the present invention;

FIG. 5 is an enlarged view of part B of the present invention;

FIG. 6 is a schematic perspective view of a movable frame according to the present invention;

FIG. 7 is a schematic three-dimensional structure of a movable clamping block according to the present invention;

in the figure: 1. a bearing outer race; 2. a bearing retainer; 3. a bearing inner race; 4. a cage extension frame; 5. A movable frame; 6. a control lever; 7. a guide sleeve; 8. extruding the ball; 9. a connecting spring; 10. a movable clamping block; 11. a movable sleeve; 12. an oil inlet pipe; 13. a one-way valve; 14. an oil passage; 15. soaking cotton in oil; 16. a ball bearing; 17. a clamping groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, the present invention provides a technical solution: the utility model provides a cylindrical bearing convenient to carry out roller and change, includes bearing

inner race

1, and 1 inside bearing holder 2 that is provided with of bearing inner race, the 2 inner walls of bearing holder are provided with bearing inner race 3, and the left surface of bearing holder 2 and the right flank overlap joint of holder extension frame 4, and the right flank joint that the holder extended frame 4 has movable frame 5, and movable frame 5 sets up at 2 inner walls of bearing holder.

The upper surface and the lower surface of the movable frame 5 are respectively clamped with a movable sleeve 11, the movable sleeve 11 is arranged to play a role in limiting and guiding the moving process of the movable fixture block 10, the movable fixture block 10 can be ensured to accurately and stably move into the clamping groove 17, the inner wall of the movable sleeve 11 is in lap joint with the outer surface of the movable fixture block 10, the outer surface of the movable fixture block 10 is in lap joint with the inner wall of the clamping groove 17, the movable fixture block 10 and the clamping groove 17 are arranged, when the movable fixture block 10 is positioned in the clamping groove 17, the bearing holder 2 can be prevented from being separated from the holder extension frame 4, the relative stability between the bearing holder 2 and the holder extension frame 4 is ensured, the clamping groove 17 is arranged on the inner wall of the bearing holder 2, the opposite surfaces of the two movable fixture blocks 10 are respectively in lap joint with the upper surface and the lower surface of the extrusion ball 8, the extrusion ball 8 is hemispherical, and the position of the movable fixture block 10 close to the extrusion ball 8 is inclined, the extruding ball 8 can extrude the movable clamping block 10 to move into the clamping groove 17.

The left side of the retainer extension frame 4 is clamped with an oil inlet pipe 12, the right end of the oil inlet pipe 12 is communicated with the left end of an oil channel 14, the oil channel 14 is arranged on the left side of the bearing retainer 2, the surfaces of the oil channel 14 and the oil inlet pipe 12 are respectively provided with a plurality of oil-soaked cottons 15, through the arrangement of the oil inlet pipe 12, the oil channel 14 and the oil-soaked cottons 15, lubricating oil can be led to the surface of the oil-soaked cottons 15 through the oil inlet pipe 12 and the oil channel 14, the oil-soaked cottons 15 can be wiped on the surface of the roller, the roller can be continuously smeared by the lubricating oil on the surface of the oil-soaked cottons 15 when rotating, and the integral lubricating effect is ensured to be ideal.

Specifically, as shown in fig. 2, the right side surface of the inner wall of the bearing retainer 2 and the right side surface of the retainer extension frame 4 are both provided with a plurality of balls 16, the balls 16 on the right side surface of the inner wall of the bearing retainer 2 correspond to the balls 16 on the right side surface of the retainer extension frame 4 in position, and by arranging the balls 16, the balls 16 can reduce the friction force between the roller and the bearing retainer 2, so that when the roller is subjected to an axial load, the situation that the friction between the roller and the bearing retainer 2 is increased due to close contact is avoided, and the device can stably operate.

Specifically, as shown in fig. 4 and 7, the outer surface of the oil inlet pipe 12 is provided with the check valve 13, the right side surface of the extrusion ball 8 is fixedly connected with the left end of the connecting spring 9, the right end of the connecting spring 9 is fixedly connected with the right side surface of the inner wall of the movable frame 5, and by arranging the connecting spring 9, the connecting spring 9 can apply an acting force to the extrusion ball 8 in a direction close to the movable fixture block 10, so that the tight contact between the extrusion ball 8 and the movable fixture block 10 is ensured, and the movable fixture block 10 can be stably positioned in the clamping groove 17.

Specifically, as shown in fig. 6 and 7, the left surface of the squeeze ball 8 is fixedly connected with the right end of the control rod 6, the outer surface of the control rod 6 is in lap joint with the inner wall of the guide sleeve 7, the guide sleeve 7 is connected to the left surface of the inner wall of the movable frame 5 in a clamping manner, and by arranging the guide sleeve 7, the guide sleeve 7 can guide the movement of the control rod 6, so that smooth accurate contact between the squeeze ball 8 and the movable fixture block 10 is ensured.

Specifically, as shown in fig. 5 and 7, the shape and size of the movable fixture 10 correspond to the shape and size of the slot 17, respectively, the surfaces of the two movable fixtures 10 away from each other are both set to be inclined, the two movable fixtures 10 have opposite magnetism, and after the squeeze ball 8 is separated from the movable fixture 10, the two movable fixtures 10 are controlled to approach each other and be separated from the slot 17 by magnetic force.

The working principle of the utility model is as follows:

s1, when the damaged roller needs to be taken down, the control rod 6 and the extrusion ball 8 are directly pulled to move away from the movable fixture block 10, when the extrusion ball 8 is separated from the movable fixture block 10, the two adjacent movable fixture blocks 10 are controlled by magnetic force to move close to each other, and when the movable fixture block 10 is separated from the fixture groove 17, the retainer extension frame 4 can be taken down leftwards;

s2, taking down the roller and replacing the roller with a new one, then enabling the movable frame 5 to correspond to the bearing retainer 2 and pushing the retainer to extend the frame 4 rightwards, wherein the movable fixture block 10 is extruded into the inner wall of the movable frame 5, when the movable fixture block 10 moves to the position corresponding to the clamping groove 17, the connecting spring 9 drives the extrusion ball 8 to move rightwards, and the extrusion ball 8 extrudes the movable fixture block 10 to move into the clamping groove 17;

s3, the roller is replaced, when the device is needed, the lubricating oil is directly led into the oil channel 14 through the oil inlet pipe 12, then the lubricating oil enters the oil-soaked cotton 15, and the oil-soaked cotton 15 continuously paints the lubricating oil on the surface of the roller.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a cylindrical bearing convenient to carry out roller and change, includes bearing inner race (1), its characterized in that: a bearing retainer (2) is arranged in the bearing outer ring (1), a bearing inner ring (3) is arranged on the inner wall of the bearing retainer (2), the left side surface of the bearing retainer (2) is in lap joint with the right side surface of a retainer extension frame (4), a movable frame (5) is clamped on the right side surface of the retainer extension frame (4), and the movable frame (5) is arranged on the inner wall of the bearing retainer (2);

the upper surface and the lower surface of the movable frame (5) are respectively clamped with a movable sleeve (11), the inner wall of the movable sleeve (11) is in lap joint with the outer surface of the movable clamping block (10), the outer surface of the movable clamping block (10) is in lap joint with the inner wall of a clamping groove (17), the clamping groove (17) is formed in the inner wall of the bearing retainer (2), and the opposite surfaces of the two movable clamping blocks (10) are respectively in lap joint with the upper surface and the lower surface of the extrusion ball (8);

the left side of holder extension frame (4) has been pegged graft into oil pipe (12), the right-hand member of advancing oil pipe (12) communicates with the left end of oil passageway (14), the left surface at bearing holder (2) is seted up in oil passageway (14), oil passageway (14) and advance oil pipe (12) surface and all be provided with a plurality of oil-soaked cotton (15).

2. A cylindrical bearing for facilitating roller replacement according to claim 1, wherein: the right side of the inner wall of the bearing retainer (2) and the right side of the retainer extension frame (4) are both provided with a plurality of balls (16), and the balls (16) on the right side of the inner wall of the bearing retainer (2) correspond to the balls (16) on the right side of the retainer extension frame (4).

3. A cylindrical bearing for facilitating roller replacement according to claim 1, wherein: the outer surface of the oil inlet pipe (12) is provided with a one-way valve (13), the right side face of the extrusion ball (8) is fixedly connected with the left end of the connecting spring (9), and the right end of the connecting spring (9) is fixedly connected with the right side face of the inner wall of the movable frame (5).

4. A cylindrical bearing for facilitating roller replacement according to claim 3, wherein: the left surface of extrusion ball (8) and the right-hand member fixed connection of control lever (6), the surface of control lever (6) and the inner wall overlap joint of uide bushing (7), uide bushing (7) joint is at the left surface of activity frame (5) inner wall.

5. A cylindrical bearing for facilitating roller replacement according to claim 1, wherein: the shape and the size of the movable clamping blocks (10) correspond to those of the clamping grooves (17) respectively, the surfaces, far away from each other, of the two movable clamping blocks (10) are both arranged to be inclined, and the two movable clamping blocks (10) have opposite magnetism.