CN216742452U

CN216742452U - High-bearing anti-scraping tapered roller bearing

Info

Publication number: CN216742452U
Application number: CN202123340732.XU
Authority: CN
Inventors: 朱江锋
Original assignee: Hangzhou Zhuo'ao Technology Co ltd
Current assignee: Hangzhou Zhuo'ao Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-14
Anticipated expiration: 2031-12-28

Abstract

A high-bearing anti-scraping tapered roller bearing relates to the field of bearings and comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is divided into a left part and a right part, an inner ring rolling groove is arranged on the outer side of each bearing inner ring, two limiting end covers are arranged at two ends of the bearing outer ring, when the bearing outer ring is installed, one connecting column is buckled into an opening of a guide groove, then the limiting end covers are held by hands to rotate by taking the connecting column as an axis, the other two connecting columns are buckled into the guide groove, then the limiting end covers are held by hands to rotate by a certain angle so that the connecting column slides along the track of the guide groove, six second threaded holes are aligned with the first threaded hole, the installation and the removal are convenient, meanwhile, the limiting end covers are provided with balls which can play a role of resisting tapered rollers at two ends, the scraping space of the tapered rollers is limited, when the tapered rollers are slightly scraped, further scraping between the tapered roller and the bearing outer ring can be avoided.

Description

High-bearing anti-scraping tapered roller bearing

Technical Field

The utility model relates to the field of bearings, in particular to a high-bearing anti-scraping tapered roller bearing.

Background

The tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings and other different structural forms according to the number of rows of the mounted rollers. The double-row tapered roller bearing can bear radial load and axial load in two directions.

When the working condition of the tapered roller bearing is severe or the working time is long, the matching position of the roller and the bearing outer ring can be axially gathered, and the distance between the rollers and the bearing outer ring can be increased along with the use time, so that the roller or the bearing outer ring is seriously abraded, the stability of equipment is influenced, and the transmission efficiency of a transmission shaft is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-bearing anti-scraping tapered roller bearing to solve the problems in the background technology.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a high bears anti-scraping tapered roller bearing, includes bearing inner race and bearing inner race, the bearing inner race divide into about two parts, each the outside of bearing inner race is equipped with the inner circle roll groove, the bearing inner race inboard is equipped with the assembly space, be equipped with the transmission shaft in the assembly space, the bearing inner race with the corresponding position department of inner circle roll groove is equipped with the outer lane roll groove, the outer lane roll groove with it is equipped with tapered roller to roll between the inner circle roll groove, be equipped with the holder between the tapered roller, both ends face department is fixed and is equipped with the boss about the bearing inner race, the boss evenly is equipped with six first screw holes and three spliced pole around the centre of a circle, both ends face all is equipped with the restriction end cover about the bearing inner race, be equipped with in the restriction end cover and prevent scraping aside the moving mechanism.

Beneficially, the limiting end cover is uniformly provided with six second threaded holes around the circle center, the second threaded holes are arranged corresponding to the first threaded holes, internal threads are arranged in the second threaded holes and the first threaded holes, the second threaded holes are connected with the first threaded holes through fixing bolts, and the limiting end cover is connected with the boss through the fixing bolts.

Beneficially, the limiting end cover is uniformly provided with three guide grooves around a circle center, one end of each guide groove is an opening, each guide groove is of a partial arc-shaped structure, the guide grooves and the connecting columns are correspondingly arranged, the guide grooves are abutted to the connecting columns, the connecting columns are buckled into the openings of the guide grooves, then the limiting end cover is manually rotated, each connecting column is abutted to the tail end of each guide groove, each second threaded hole can be aligned with the first threaded hole, and the installation and the alignment are convenient.

Advantageously, the connecting column is a cylindrical protruding block with the diameter of 0.5 cm, the diameter of the opening of the guide groove is 0.6 cm, the width of the arc-shaped structure is 0.55 cm, and the opening of the guide groove is slightly larger than the diameter of the connecting column, so that the connecting column can be conveniently buckled in the installation process.

Advantageously, the anti-scraping mechanism comprises an annular groove arranged in the limiting end cover, one end of the annular groove is communicated with the outside, twelve balls are arranged in the annular groove in a rolling mode, the balls are connected through a connecting ring, and the balls can roll in the annular groove.

Advantageously, twelve wrapping structures are uniformly arranged on the connecting ring around the center of the circle, the balls roll in the wrapping structures, and the angle range of wrapping the balls by the wrapping structures is two hundred forty degrees, so that a part of the balls are positioned on the outer side of the wrapping structures.

Advantageously, the right end of the ball arranged in the left-side end cap is connected with the left end face of the tapered roller on the left side in an abutting manner, the left end of the ball arranged in the right-side end cap is connected with the right end face of the tapered roller on the right side in an abutting manner, when the tapered roller continuously rolls along with the rotation of the transmission shaft, the ball also rolls in the annular groove, and the tapered roller can be supported by the ball to prevent the tapered roller from scraping up due to a large axial load under the condition of reducing the friction between the ball and the tapered roller.

The utility model has the advantages and positive effects that:

the utility model arranges two limiting end covers at the left and right ends of the bearing outer ring, three guide grooves are arranged in the limiting end covers at the two sides, three connecting posts are fixedly arranged on the end surface of the bearing outer ring and are abutted against the connecting posts, when the bearing outer ring is installed, one connecting post is buckled into an opening of the guide groove, then the limiting end covers are held by hands to rotate by taking the connecting post as an axis, the other two connecting posts are also buckled into the guide grooves, then the limiting end covers are held by hands to rotate by a certain angle to enable the connecting posts to slide along the tracks of the guide grooves, when the connecting post slides to the tail end of the guide groove, six second threaded holes are aligned with the first threaded hole, the installation and the removal are convenient, meanwhile, the limiting end covers are provided with balls which can act against the conical rollers at the two ends, the scraping space of the conical rollers is limited, when the conical rollers are slightly scraped, further scraping between the tapered roller and the bearing outer ring can be avoided.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall sectional front view of a high-load anti-scraping tapered roller bearing according to the present invention;

FIG. 2 is a schematic right-view structural diagram of the bearing outer ring of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the restraining end cap of FIG. 1 according to the present invention;

FIG. 4 is a schematic view illustrating an assembly structure between the connection ring and the balls of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1.

The scores in the figures are as follows: 11. a bearing outer race; 12. a bearing inner race; 13. an outer ring rolling groove; 14. an inner ring rolling groove; 15. an assembly space; 16. a boss; 17. a first threaded hole; 18. a restraining end cap; 19. a second threaded hole; 20. fixing the bolt; 21. a guide groove; 22. an annular groove; 23. a ball bearing; 24. A connecting ring; 25. a cladding structure; 26. connecting columns; 27. a tapered roller; 28. a holder; 29. an anti-scraping mechanism.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The utility model will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

referring to fig. 1-5, an embodiment of the present invention is shown: a high-bearing anti-scraping tapered roller bearing comprises a bearing outer ring 11 and a bearing inner ring 12, the bearing inner ring 12 is divided into a left part and a right part, an inner ring rolling groove 14 is arranged at the outer side of each bearing inner ring 12, an assembly space 15 is arranged on the inner side of the bearing inner ring 12, a transmission shaft is assembled in the assembly space 15, an outer ring rolling groove 13 is arranged at the position of the bearing outer ring 11 corresponding to the inner ring rolling groove 14, tapered rollers 27 are arranged between the outer ring rolling grooves 13 and the inner ring rolling grooves 14 in a rolling manner, a retainer 28 is arranged between the tapered rollers 27, bosses 16 are fixedly arranged on the left end face and the right end face of the bearing outer ring 11, the boss 16 is uniformly provided with six first threaded holes 17 and three connecting posts 26 around the center of a circle, the left end face and the right end face of the bearing outer ring 11 are both provided with limiting end covers 18, and anti-scraping mechanisms 29 are arranged in the limiting end covers 18.

In addition, in an embodiment, the limiting end cover 18 is uniformly provided with six second threaded holes 19 around a circle center, the second threaded holes 19 are arranged corresponding to the first threaded holes 17, internal threads are arranged inside the second threaded holes 19 and the first threaded holes 17, the second threaded holes 19 and the first threaded holes 17 are connected through fixing bolts 20, and the limiting end cover 18 is connected with the boss 16 through the fixing bolts 20.

In addition, in an embodiment, the limiting end cap 18 is uniformly provided with three guide grooves 21 around the circle center, one end of each guide groove 21 is an opening, each guide groove 21 is of a partial arc-shaped structure, each guide groove 21 corresponds to one connecting column 26, the guide grooves 21 abut against the connecting columns 26, the connecting columns 26 are buckled into the openings of the guide grooves 21, and then the limiting end cap 18 is manually rotated, so that each connecting column 26 abuts against the tail end of each guide groove 21, each second threaded hole 19 can be aligned to each first threaded hole 17, and the installation and the alignment are convenient.

In addition, in an embodiment, the connecting column 26 is a cylindrical protruding block with a diameter of 0.5 cm, the diameter of the opening of the guide groove 21 is 0.6 cm, the width of the arc-shaped structure is 0.55 cm, and the opening of the guide groove 21 is slightly larger than the diameter of the connecting column 26, so that the connecting column 26 can be conveniently buckled in the installation process.

In addition, in one embodiment, the anti-scraping mechanism 29 comprises an annular groove 22 arranged in the limiting end cover 18, one end of the annular groove 22 is communicated with the outside, twelve balls 23 are arranged in the annular groove 22 in a rolling mode, the balls 23 are connected through a connecting ring 24, and the balls 23 can roll in the annular groove 22.

In addition, in one embodiment, twelve cladding structures 25 are uniformly arranged on the connecting ring 24 around the center of the circle, the balls 23 roll in the cladding structures 25, and the angular range of the cladding structures 25 cladding the balls 23 is two hundred forty degrees, so that a part of the balls 23 is positioned outside the cladding structures 25.

In addition, in one embodiment, the right end of the ball 23 disposed in the left-side end cap 18 is connected with the left end face of the left-side tapered roller 27 in an abutting manner, the left end of the ball 23 disposed in the right-side end cap 18 is connected with the right end face of the right-side tapered roller 27 in an abutting manner, when the tapered roller 27 rolls with the rotation of the transmission shaft, the ball 23 also rolls in the annular groove 22, and the tapered roller 27 can be supported by the ball 23 to prevent the tapered roller 27 from being scraped due to a large axial load while reducing the friction between the ball 23 and the tapered roller 27.

In specific implementation, when the limiting end cover 18 needs to be installed, one connecting column 26 is buckled into the opening of the guide groove 21, then the handheld limiting end cover 18 rotates around the connecting column 26, the other two connecting columns 26 are buckled into the guide groove 21, then the handheld limiting end cover 18 rotates for a certain angle so that the connecting column 26 slides along the track of the guide groove 21, when the connecting column 26 slides to the tail end of the guide groove 21, the six second threaded holes 19 are aligned with the first threaded holes 17, so that installation and alignment are convenient, after the second threaded holes 19 are aligned with the first threaded holes 17, the bearing outer ring 11 is connected with the limiting end cover 18 by using the fixing bolts 20, during operation, when the conical rollers 27 continuously roll along with the rotation of the transmission shaft, the balls 23 also roll in the annular grooves 22, and under the condition of reducing friction between the balls 23 and the conical rollers 27, the tapered rollers 27 are supported by the balls 23 to prevent the tapered rollers 27 from being scraped up due to a large axial load.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a high bears and prevents scraping up tapered roller bearing, includes bearing inner race (12) and bearing outer lane (11), its characterized in that: the bearing inner race (12) divide into about two parts, each the outside of bearing inner race (12) is equipped with inner circle roll groove (14), bearing inner race (12) inboard is equipped with assembly space (15), the assembly is equipped with the transmission shaft in assembly space (15), bearing outer race (11) with the position department that inner circle roll groove (14) is corresponding is equipped with outer lane roll groove (13), outer lane roll groove (13) with it is equipped with tapered roller (27) to roll between inner circle roll groove (14), be equipped with holder (28) between tapered roller (27), fixed boss (16) that are equipped with of both ends face department about bearing outer race (11), boss (16) evenly are equipped with six first screw hole (17) and three spliced pole (26) around the centre of a circle, both ends face all is equipped with restriction end cover (18) about bearing outer race (11), an anti-scraping mechanism (29) is arranged in the limiting end cover (18).

2. The high load-bearing anti-scraping tapered roller bearing of claim 1, wherein: the limiting end cover (18) is uniformly provided with six second threaded holes (19) around the circle center, the second threaded holes (19) correspond to the first threaded holes (17), internal threads are arranged in the second threaded holes (19) and the first threaded holes (17), and the second threaded holes (19) are connected with the first threaded holes (17) through fixing bolts (20).

3. The high load anti-scraping tapered roller bearing of claim 2, wherein: restriction end cover (18) evenly are equipped with three guide slot (21) around the centre of a circle, guide slot (21) one end is the opening part, guide slot (21) are partial arc structure, guide slot (21) with spliced pole (26) correspond the setting, guide slot (21) with spliced pole (26) butt.

4. The high load anti-scraping tapered roller bearing of claim 3, wherein: the connecting column (26) is a cylindrical protruding block with the diameter of 0.5 cm, the diameter of the opening of the guide groove (21) is 0.6 cm, and the width of the arc-shaped structure is 0.55 cm.

5. The high load-bearing anti-scraping tapered roller bearing of claim 1, wherein: the anti-scraping mechanism (29) comprises an annular groove (22) arranged in the limiting end cover (18), one end of the annular groove (22) is communicated with the outside, twelve balls (23) are arranged in the annular groove (22) in a rolling mode, and the balls (23) are connected through a connecting ring (24).

6. The high load anti-scraping tapered roller bearing of claim 5, wherein: twelve coating structures (25) are uniformly arranged on the connecting ring (24) around the circle center, and the angle range of the coating structures (25) coating the balls (23) is two hundred and forty degrees.

7. The high load anti-scraping tapered roller bearing of claim 6, wherein: the right end of the ball (23) arranged in the limiting end cover (18) on the left side is connected with the left end face of the tapered roller (27) on the left side in an abutting mode, and the left end of the ball (23) arranged in the limiting end cover (18) on the right side is connected with the right end face of the tapered roller (27) on the right side in an abutting mode.