High-strength tapered roller bearing

Abstract

The utility model provides a high-strength tapered roller bearing, which relates to the technical field of tapered roller bearings, and comprises an outer ring and an inner ring, and the outer surface of the inner ring is sleeved and connected with a retainer. The threaded cover can be screwed off from the threaded oil injection hole in the oil storage box, then lubricating oil is injected into the oil storage box from the threaded oil injection hole, and when the oil storage box is filled with the lubricating oil and the internal pressure is larger than the external pressure, the rubber blocks can be extruded to deform to open a certain opening. When the tapered roller bearing is used, the friction resistance between the outer surface of the roller and the inner wall of the outer ring is reduced, the sound generated by friction is reduced, the rolling of the roller is smoother, and the use effect of the tapered roller bearing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tapered roller bearings, in particular to a high-strength tapered roller bearing. Background Art

[0002] Tapered roller bearings are separable bearings, with tapered raceways on both the inner and outer rings. They are classified into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers.

[0003] When using tapered roller bearings in daily life, the inner ring and the cage are rotated, and the roller inside the cage will constantly rotate and rub against the inner wall of the outer ring. After long-term use, when the outer surface of the roller and the inside of the outer ring are aged and corroded, the rotational friction resistance will become larger, which is easy to make noise and cause the rotation to be unsmooth, thus affecting the use of the tapered roller bearing. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a high-strength tapered roller bearing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-strength tapered roller bearing, comprising an outer ring and an inner ring, the outer surface of the inner ring is sleeved and connected with a retaining frame, several inner walls of the retaining frame are rotatably connected with rollers, the retaining frame, the inner ring and the several rollers are all inserted in the inner wall of the outer ring, the outer surface of the outer ring is symmetrically provided with a lubrication device, the outer surface of the retaining frame is provided with several reinforcement devices, the lubrication device wraps an oil storage box and a threaded cover, a threaded oil filling hole is opened on one side of the inner wall of the oil storage box, one end of the threaded cover is threadedly inserted in the inner wall of the threaded oil filling hole, one side of the inner wall of the oil storage box is penetrated and connected with several connecting pipes, one end of the connecting pipe is fixedly connected to the outer surface of the outer ring, the inner wall of the connecting pipe is fixedly connected to several rubber blocks, the outer surface of the outer ring is opened with several guide holes, and the connecting pipe and the inner wall of the outer ring are both connected with the inner wall of the guide hole.

[0006] The effect achieved by the above components is: by setting up a lubrication device, when using the tapered roller bearing, the threaded cover can be screwed off from the threaded oil filling hole on the oil storage box first, and then the lubricating oil can be injected into the oil storage box from the threaded oil filling hole. When the oil storage box is filled with lubricating oil and the internal pressure is greater than the external pressure, several rubber blocks will be squeezed to deform and open a certain opening, so that the lubricating oil inside the oil storage box flows from the connecting pipe into the guide hole, and then is coated on the roller on the retaining frame, so that when it is in use, the friction resistance between the outer surface of the roller and the inner wall of the outer ring is reduced, the sound generated by friction is reduced, the rolling is smoother, and the use effect of the tapered roller bearing is improved.

[0007] Preferably, a plurality of guide grooves are provided on the inner wall of the outer ring, and the inner wall of the guide groove is connected to the inner wall of the guide hole.

[0008] The effect achieved by the above components is that by providing the guide groove, the lubricating oil flowing out of the guide hole can be evenly dispersed and smeared on the outer surface of the roller through the guide groove, making the lubrication more uniform.

[0009] Preferably, a wiping block is fixedly connected to the inner wall of the guide groove, and the wiping block is made of sponge material.

[0010] The effect achieved by the above components is: by setting the wiping block, the lubricating oil flowing out of the guide hole can be absorbed and penetrated into the guide hole, and then evenly applied to the outer surface of the roller to control the amount of lubricating oil flowing out.

[0011] Preferably, a sealing ring block is fixedly connected to one side of the threaded cover, and the inner wall size of the sealing ring block is larger than the inner wall size of the threaded oil filling hole.

[0012] The effect achieved by the above components is that by arranging the sealing ring block, the gap between one side of the threaded cover and the oil storage box can be sealed and blocked, so that the lubricating oil injected therein is not easy to overflow.

[0013] Preferably, a screw groove is provided on one side of the threaded cover, and the cross section of the screw groove is rectangular.

[0014] The effect achieved by the above-mentioned component is that by providing the screw groove, it can be inserted into the screw groove with the help of a tool and then screwed, so that the threaded cover can be easily removed from the threaded oil filling hole or installed.

[0015] Preferably, the reinforcement device comprises two reinforcement rods and a plurality of connecting rods, one side of the reinforcement rod is fixedly connected to the outer surface of the retaining frame, and the two reinforcement rods are symmetrically arranged between two adjacent rollers.

[0016] The effect achieved by the above components is: by setting up a reinforcement device, a plurality of pairs of reinforcement rods are fixedly connected to the outer surface of the retaining frame, which can enhance the strength of the outer surface of the retaining frame, making it less likely to be damaged or broken during use, thereby increasing the service life of the tapered roller bearing.

[0017] Preferably, both ends of the connecting rod are fixedly connected to one side of two adjacent reinforcement rods respectively, and the plurality of connecting rods are arranged at equal distances.

[0018] The effect achieved by the above components is: by arranging the connecting rod, two adjacent reinforcement rods can be connected and fixed, thereby enhancing the supporting and reinforcing strength of the reinforcement rods and improving the service life of the retaining frame.

[0019] Preferably, a plurality of support rods are fixedly connected to one side of the reinforcement rod, and one side of the support rod is fixedly connected to the outer surface of the retaining frame.

[0020] The effect achieved by the above components is: by arranging the support rod, the connection area between the reinforcement rod and the retaining frame can be increased, making the connection more firm and stable, and the reinforcement more firm.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by arranging a lubrication device, when using the tapered roller bearing, the threaded cover can be screwed off from the threaded oil filling hole on the oil storage box first, and then the lubricating oil can be injected into the oil storage box from the threaded oil filling hole. When the internal pressure of the oil storage box is greater than the external pressure after the lubricating oil is filled, a plurality of rubber blocks will be squeezed to deform and open a certain opening, so that the lubricating oil inside the oil storage box flows from the connecting pipe into the guide hole, and then is coated on the roller on the retaining frame, so that when in use, the friction resistance between the outer surface of the roller and the inner wall of the outer ring is reduced, the sound generated by the friction is reduced, the rolling is smoother, and the use effect of the tapered roller bearing is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the outer ring of the utility model;

[0025] Figure 3 for Figure 2 A three-dimensional schematic diagram of the structure of the middle part;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the threaded cover of the utility model;

[0027] Figure 5 It is a three-dimensional structural schematic diagram of the screwing groove of the utility model;

[0028] Figure 6 It is a three-dimensional structural schematic diagram of the retaining frame of the utility model.

[0029] Legend: 1. Outer ring; 2. Lubrication device; 3. Reinforcement device; 4. Inner ring; 5. Cage; 6. Roller; 21. Oil storage box; 22. Threaded oil filling hole; 23. Threaded cover; 24. Connecting pipe; 25. Guide hole; 26. Rubber block; 27. Guide groove; 28. Wiping block; 29. ​​Sealing ring block; 210. Twist groove; 31. Reinforcement rod; 32. Connecting rod; 33. Support rod. DETAILED DESCRIPTION

[0030] Embodiment 1, as Figure 1-6 As shown, a high-strength tapered roller bearing comprises an outer ring 1 and an inner ring 4, the outer surface of the inner ring 4 is sleeved with a retaining frame 5, several inner walls of the retaining frame 5 are rotatably connected with rollers 6, the retaining frame 5 and the inner ring 4 and the several rollers 6 are all inserted into the inner wall of the outer ring 1, the outer surface of the outer ring 1 is symmetrically provided with a lubricating device 2, the outer surface of the retaining frame 5 is provided with several reinforcing devices 3, the lubricating device 2 wraps an oil storage box 21 and a threaded cover 23, a threaded oil filling hole 22 is opened on one side of the inner wall of the oil storage box 21, one end of the threaded cover 23 is threadedly inserted in the inner wall of the threaded oil filling hole 22, a plurality of connecting pipes 24 are penetrated and connected on one side of the inner wall of the oil storage box 21, one end of the connecting pipe 24 is fixedly connected to the outer surface of the outer ring 1, and the inner wall of the connecting pipe 24 is fixedly connected to a plurality of rubber blocks 26, a plurality of guide holes 25 are opened on the outer surface of the outer ring 1, and the connecting pipe 24 and the inner wall of the outer ring 1 are both connected to the inner wall of the guide hole 25. When using the tapered roller bearing, the threaded cover 23 can be screwed off from the threaded oil filling hole 22 on the oil storage box 21, and then the lubricating oil can be injected into the oil storage box 21 from the threaded oil filling hole 22. When the oil storage box 21 is filled with lubricating oil and the internal pressure is greater than the external pressure, a number of rubber blocks 26 will be squeezed to deform and open a certain opening, so that the lubricating oil inside the oil storage box 21 flows from the connecting pipe 24 into the guide hole 25, and then coated on the roller 6 on the retaining frame 5, so that when it is in use, the friction resistance between the outer surface of the roller 6 and the inner wall of the outer ring 1 is reduced, the sound generated by friction is reduced, the rolling is smoother, and the use effect of the tapered roller bearing is improved.

[0031] Reference Figure 2-5 As shown, this embodiment discloses that the inner wall of the outer ring 1 is provided with a plurality of guide grooves 27, and the inner wall of the guide groove 27 is connected to the inner wall of the guide hole 25. By providing the guide groove 27, the lubricating oil flowing out of the guide hole 25 can be evenly dispersed and smeared on the outer surface of the roller 6, so that the lubrication is more uniform. The inner wall of the guide groove 27 is fixedly connected with a wiping block 28, and the wiping block 28 is made of sponge material. By providing the wiping block 28, the lubricating oil flowing out of the guide hole 25 can be absorbed and infiltrated, and then evenly smeared on the outer surface of the roller 6, so as to control the amount of lubricating oil flowing out.

[0032] Reference Figure 2-5As shown, this embodiment discloses that a sealing ring block 29 is fixedly connected to one side of the threaded cover 23, and the inner wall size of the sealing ring block 29 is larger than the inner wall size of the threaded oil filling hole 22. By providing the sealing ring block 29, the gap between one side of the threaded cover 23 and the oil storage box 21 can be sealed and blocked, so that the lubricating oil injected is not easy to overflow. A screw groove 210 is provided on one side of the threaded cover 23, and the cross section of the screw groove 210 is rectangular. By providing the screw groove 210, it can be inserted into the screw groove 210 with the help of a tool and then screwed, so that the threaded cover 23 can be easily removed from the threaded oil filling hole 22 or installed.

[0033] Reference Figure 6 As shown, this embodiment discloses that the reinforcement device 3 includes two reinforcement rods 31 and a plurality of connecting rods 32, one side of the reinforcement rod 31 is fixedly connected to the outer surface of the retaining frame 5, and the two reinforcement rods 31 are symmetrically arranged between two adjacent rollers 6. By providing the reinforcement device 3, a plurality of pairs of reinforcement rods 31 are fixedly connected to the outer surface of the retaining frame 5, so that the strength of the outer surface can be enhanced, so that it is not easy to be damaged or broken during use, and the service life of the tapered roller bearing is increased.

[0034] Reference Figure 6 As shown, this embodiment discloses that the two ends of the connecting rod 32 are respectively fixedly connected to one side of two adjacent reinforcement rods 31, and a plurality of connecting rods 32 are arranged at equal distances. By setting the connecting rod 32, two adjacent reinforcement rods 31 can be connected and fixed, the support and reinforcement strength of the reinforcement rod 31 can be enhanced, and the service life of the retaining frame 5 can be improved. A plurality of support rods 33 are fixedly connected to one side of the reinforcement rod 31, and one side of the support rod 33 is fixedly connected to the outer surface of the retaining frame 5. By setting the support rod 33, the connection area between the reinforcement rod 31 and the retaining frame 5 can be increased, so that the connection is more firm and stable, and the reinforcement is more firm.

[0035] The working principle is as follows: the threaded cover 23 can be screwed off from the threaded oil filling hole 22 on the oil storage box 21, and then the lubricating oil can be injected into the oil storage box 21 from the threaded oil filling hole 22. When the internal pressure of the oil storage box 21 is greater than the external pressure after the lubricating oil is filled, several rubber blocks 26 will be squeezed to deform and open a certain opening, so that the lubricating oil inside the oil storage box 21 flows from the connecting pipe 24 into the guide hole 25, and then flows from the guide hole 25 into the wiping block 28 in the guide groove 27, and then the wiping block 28 is evenly coated on the roller 6 on the retaining frame 5, so that when it is in use, the friction resistance between the outer surface of the roller 6 and the inner wall of the outer ring 1 is reduced, the sound generated by the friction is reduced, the rolling is smoother, and the use effect of the tapered roller bearing is improved.

[0036] A plurality of pairs of reinforcing rods 31, a plurality of connecting rods 32 and a plurality of supporting rods 33 are fixedly connected to the outer surface of the retaining frame 5, which can enhance the strength of the outer surface of the retaining frame, make it less likely to be damaged or broken during use, and increase the service life of the tapered roller bearing.

Claims

1. A high-strength tapered roller bearing, comprising an outer ring (1) and an inner ring (4), characterized in that: The outer surface of the inner ring (4) is sleeved with a retaining frame (5), and a plurality of inner walls of the retaining frame (5) are rotatably connected to rollers (6). The retaining frame (5), the inner ring (4) and the plurality of rollers (6) are all inserted into the inner wall of the outer ring (1). The outer surface of the outer ring (1) is symmetrically provided with a lubricating device (2), and the outer surface of the retaining frame (5) is provided with a plurality of reinforcing devices (3). The lubricating device (2) wraps around an oil storage box (21) and a threaded cover (23). A threaded cover is provided on one side of the inner wall of the oil storage box (21). An oil filling hole (22) is formed, one end of the threaded cover (23) is threadedly inserted into the inner wall of the threaded oil filling hole (22), a plurality of connecting pipes (24) are penetrated and connected to one side of the inner wall of the oil storage box (21), one end of the connecting pipe (24) is fixedly connected to the outer surface of the outer ring (1), a plurality of rubber blocks (26) are fixedly connected to the inner wall of the connecting pipe (24), a plurality of guide holes (25) are opened on the outer surface of the outer ring (1), and the inner walls of the connecting pipe (24) and the outer ring (1) are both connected to the inner walls of the guide holes (25).

2. A high-strength tapered roller bearing according to claim 1, characterized in that: The inner wall of the outer ring (1) is provided with a plurality of guide grooves (27), and the inner wall of the guide groove (27) is connected to the inner wall of the guide hole (25).

3. A high-strength tapered roller bearing according to claim 2, characterized in that: A wiping block (28) is fixedly connected to the inner wall of the guide groove (27), and the wiping block (28) is made of sponge material.

4. A high-strength tapered roller bearing according to claim 1, characterized in that: A sealing ring block (29) is fixedly connected to one side of the threaded cover (23), and the inner wall size of the sealing ring block (29) is larger than the inner wall size of the threaded oil filling hole (22).

5. A high-strength tapered roller bearing according to claim 1, characterized in that: A screw groove (210) is provided on one side of the threaded cover (23), and the cross section of the screw groove (210) is rectangular.

6. A high-strength tapered roller bearing according to claim 1, characterized in that: The reinforcement device (3) comprises two reinforcement rods (31) and a plurality of connecting rods (32); one side of the reinforcement rod (31) is fixedly connected to the outer surface of the retaining frame (5); and the two reinforcement rods (31) are symmetrically arranged between two adjacent rollers (6).

7. A high-strength tapered roller bearing according to claim 6, characterized in that: Both ends of the connecting rod (32) are respectively fixedly connected to one side of two adjacent reinforcing rods (31), and the plurality of connecting rods (32) are arranged at equal distances.

8. A high-strength tapered roller bearing according to claim 6, characterized in that: One side of the reinforcement rod (31) is fixedly connected to a plurality of support rods (33), and one side of the support rod (33) is fixedly connected to the outer surface of the retaining frame (5).

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