CN213206317U

CN213206317U - High-strength low-friction-torque tapered roller bearing

Info

Publication number: CN213206317U
Application number: CN202022180765.1U
Authority: CN
Inventors: 李仲喜; 杨焕杰; 张文凯; 钮林红; 赛巴斯
Original assignee: Fersa Bearings Jiaxing Co ltd
Current assignee: Fersa Bearings Jiaxing Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-14
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to the technical field of tapered roller bearings, and discloses a high-strength low-friction torque tapered roller bearing, which comprises an inner ring and an outer ring, the outer ring is sleeved on the inner ring, a plurality of mounting grooves are symmetrically arranged on the annular outer side wall of the inner ring in an annular distribution and uniform and equal distance, a plurality of rollers are arranged in the mounting groove, annular sliding grooves which are annular in section and matched with the rollers are symmetrically arranged on the annular inner side wall of the outer ring, the middle part of the annular outer side wall of the inner ring is annularly distributed and is fixedly connected with a plurality of lugs with uniform equal distance, one end of the convex block close to the outer ring is arranged in a plate sphere shape, an inner cavity with an annular section is arranged on the outer ring, an oil inlet hole is arranged on the cavity wall at one side of the inner cavity, and a rubber plug is inserted into the oil inlet hole, and a plurality of leak holes are uniformly and equidistantly formed in the annular cavity wall of the inner cavity close to the inner ring. The utility model discloses make the even coating of lubricating oil between inner circle and outer lane.

Description

High-strength low-friction-torque tapered roller bearing

Technical Field

The utility model relates to a tapered roller bearing technical field especially relates to a high strength low friction torque 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 according to the number of rows of rollers. The single-row tapered roller bearing can bear radial load and single-direction axial load. When the bearing is subjected to a radial load, an axial component will be generated, so that another bearing capable of bearing an opposite axial force is required for balancing.

However, when lubricating oil is added into the conventional tapered roller bearing, the lubricating oil is not conveniently and uniformly added into the whole tapered roller bearing, and therefore, the high-strength low-friction-torque tapered roller bearing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that traditional tapered roller bearing can not evenly add among the prior art, and the tapered roller bearing of low friction torque of a high strength that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-strength low-friction-moment tapered roller bearing comprises an inner ring and an outer ring, wherein the outer ring is sleeved on the inner ring, a plurality of mounting grooves are symmetrically formed in the annular outer side wall of the inner ring in an annular distribution uniform equidistant mode, a plurality of rollers are arranged in the mounting grooves, annular sliding grooves with annular sections and matched with the rollers are symmetrically formed in the annular inner side wall of the outer ring, a plurality of convex blocks are fixedly connected in the middle of the annular outer side wall of the inner ring in an annular distribution uniform equidistant mode, one ends of the convex blocks, which are close to the outer ring, are arranged in a plate spherical mode, an inner cavity with an annular section is formed in the outer ring, an oil inlet hole is formed in the wall of one side cavity of the inner cavity, a rubber plug is inserted into the oil inlet hole, a plurality of leakage holes are formed in the annular cavity wall, which is close, the other end fixedly connected with rubber pad of spring, the one end fixedly connected with kelly that the spring was kept away from to the rubber pad, the one end that the spring was kept away from to the kelly is the hemisphere setting, the lower extreme of kelly passes the drill way and the downwardly extending of small opening, the axis of kelly, rubber pad, spring and small opening overlaps.

Preferably, the inner cavity is inclined towards the middle part near the cavity wall of the inner ring.

Preferably, the ball grooves are symmetrically formed in the opposite hole walls of the leak holes, balls are connected in the ball grooves in a rolling mode, and one ends, far away from the bottoms of the ball grooves, of the balls penetrate through the notches of the ball grooves and extend outwards and are connected with the rod walls of the clamping rods in a rolling mode.

Preferably, the ball groove is closed, and the diameter of the ball is larger than that of the notch of the ball groove.

Preferably, the outer ring is kept away from and is the first instruction piece of a plurality of fixedly connected with and the small opening assorted of the even equidistance of annular distribution on the lateral wall of inlet port, the inner ring is kept away from and is a plurality of fixedly connected with and the lug assorted second instruction piece of the even equidistance of annular distribution on the lateral wall of inlet port.

Preferably, the inner ring, the outer ring and the roller are all made of stainless steel.

Compared with the prior art, the utility model provides a high strength low friction torque tapered roller bearing possesses following beneficial effect:

according to the high-strength low-friction-moment tapered roller bearing, the inner ring, the outer ring, the mounting groove, the roller, the annular sliding groove, the convex block, the inner cavity, the oil inlet hole, the leak hole, the spring, the rubber pad and the clamping rod are arranged, when lubrication is added, the rubber plug is taken down, lubricating oil is added into the inner cavity through the oil inlet hole, the upper oil inlet hole is blocked after the filling is finished, the bearing is rotated, so that the inner ring and the outer ring rotate relatively, when the convex block does not abut against the clamping rod, the spring is compressed, the leak hole is blocked by the rubber pad, and the lubricating oil cannot move between the inner; when the kelly offseted with the lug, and then the lug makes the kelly move to compression spring's direction, and then makes the rubber pad move to compression spring's direction, and then makes the small opening opened, and then the inner chamber internal lubrication has and flows between inner circle and outer lane through the clearance between small opening and the kelly, because the small opening is provided with a plurality of, and then makes lubricating oil flow between even inside circle and the outer lane through the small opening, and then makes the even coating of lubricating oil between inner circle and outer lane.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the even coating of lubricating oil between inner circle and outer lane.

Drawings

Fig. 1 is a schematic structural view of a high-strength low-friction torque tapered roller bearing provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. an inner ring; 2. an outer ring; 3. mounting grooves; 4. a roller; 5. an annular chute; 6. a bump; 7. an inner cavity; 8. an oil inlet hole; 9. a leak hole; 10. a spring; 11. a rubber pad; 12. a clamping rod; 13. a ball groove; 14. a ball bearing; 15. a first indication block; 16. and a second indication block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a high-strength low-friction torque tapered roller bearing comprises an inner ring 1 and an outer ring 2, wherein the outer ring 2 is sleeved on the inner ring 1, a plurality of mounting grooves 3 are symmetrically formed on the annular outer side wall of the inner ring 1 in an annular distribution manner at equal intervals, a plurality of rollers 4 are arranged in the mounting grooves 3, annular sliding grooves 5 which are annular in section and matched with the rollers 4 are symmetrically formed on the annular inner side wall of the outer ring 2, a plurality of convex blocks 6 are fixedly connected to the middle part of the annular outer side wall of the inner ring 1 in an annular distribution manner at equal intervals, one ends of the convex blocks 6 close to the outer ring 2 are arranged in a plate-ball shape, an inner cavity 7 with an annular in section is formed on the outer ring 2, an oil inlet 8 is formed on one side cavity wall of the inner cavity 7, a rubber plug is inserted into the oil inlet 8, a plurality of leakage holes 9 are uniformly formed on, the other end of the spring 10 is fixedly connected with a rubber pad 11, one end, far away from the spring 10, of the rubber pad 11 is fixedly connected with a clamping rod 12, one end, far away from the spring 10, of the clamping rod 12 is arranged in a hemispherical shape, the lower end of the clamping rod 12 penetrates through an orifice of the leak hole 9 and extends downwards, the axes of the clamping rod 12, the rubber pad 11, the spring 10 and the leak hole 9 are overlapped, sometimes during lubrication, a rubber plug is taken down, lubricating oil is added into the inner cavity 7 through an oil inlet hole 8, after the filling is finished, the oil inlet hole 8 is plugged, a rotary bearing is rotated, so that the inner ring 1 and the outer ring 2 rotate relatively, when the lug 6 does not abut against the clamping rod 12, the spring 10 is compressed, the rubber pad 11 plugs the leak hole 9; when kelly 12 offsets with lug 6, and then lug 6 makes kelly 12 to compression spring 10's direction motion, and then makes rubber pad 11 to compression spring 10's direction motion, and then makes small opening 9 opened, and then lubricated in the inner chamber 7 has through the clearance between small opening 9 and kelly 12 to flow into between inner circle 1 and the outer lane 2, because small opening 9 is provided with a plurality of, and then make lubricating oil through small opening 9 even to flow between inner circle 1 and the outer lane 2, and then make the even coating of lubricating oil between inner circle 1 and outer lane 2.

The inner cavity 7 is inclined towards the middle part near the cavity wall of the inner ring 1, so that lubricating oil can be conveniently separated from the inner cavity 7.

Ball groove 13 has been seted up to the symmetry on the relative pore wall of small opening 9, and ball 14 is connected with in the ball groove 13 to the roll, and ball 14 is kept away from the one end of ball groove 13 tank bottom and is passed ball groove 13 notch and outwards extend, and with the pole wall roll connection of kelly 12 for the more swift of kelly 12 motion.

The ball groove 13 is the close-up setting, and the diameter of ball 14 is greater than the diameter of ball groove 13 notch, prevents that the condition that ball 14 breaks away from ball groove 13 from taking place.

The outer ring 2 is far away from and is the even equidistance fixedly connected with a plurality of annular distribution and the first instruction piece 15 of small opening 9 assorted on the lateral wall of inlet port 8, and the inner ring 1 is far away from and is the even equidistance fixedly connected with a plurality of annular distribution and lug 6 assorted second instruction piece 16 on the lateral wall of inlet port 8, and convenient to use person observes lug 6 and kelly 12's position relation.

The inner ring 1, the outer ring 2 and the roller 4 are all made of stainless steel, so that the service lives of the inner ring 1, the outer ring 2 and the roller 4 are prolonged.

In the utility model, when lubrication is added, the rubber plug is taken down, lubricating oil is added into the inner cavity 7 through the oil inlet hole 8, after the filling is finished, the upper oil inlet hole 8 is blocked, the rotary bearing enables the inner ring 1 and the outer ring 2 to rotate relatively, when the lug 6 is not abutted against the clamping rod 12, the spring 10 is compressed, the rubber pad 11 is enabled to block the leak hole 9, and further the lubricating oil can not move between the inner ring 1 and the outer ring 2; when kelly 12 offsets with lug 6, and then lug 6 makes kelly 12 to compression spring 10's direction motion, and then makes rubber pad 11 to compression spring 10's direction motion, and then makes small opening 9 opened, and then lubricated in the inner chamber 7 has through the clearance between small opening 9 and kelly 12 to flow into between inner circle 1 and the outer lane 2, because small opening 9 is provided with a plurality of, and then make lubricating oil through small opening 9 even to flow between inner circle 1 and the outer lane 2, and then make the even coating of lubricating oil between inner circle 1 and outer lane 2.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The high-strength low-friction-moment tapered roller bearing comprises an inner ring (1) and an outer ring (2), and is characterized in that the outer ring (2) is sleeved on the inner ring (1), a plurality of mounting grooves (3) are symmetrically formed in the annular outer side wall of the inner ring (1) in an annular distribution uniform equidistance manner, a plurality of rollers (4) are arranged in the mounting grooves (3), annular sliding grooves (5) with annular sections and matched with the rollers (4) are symmetrically formed in the annular inner side wall of the outer ring (2), a plurality of convex blocks (6) are fixedly connected in the middle of the annular outer side wall of the inner ring (1) in an annular distribution uniform equidistance manner, one ends, close to the outer ring (2), of the convex blocks (6) are arranged in a plate spherical manner, an inner cavity (7) with annular sections is formed in the outer ring (2), and an oil inlet hole (8) is formed in, and insert on inlet port (8) and be equipped with the rubber buffer, inner chamber (7) are close to on the annular chamber wall of inner circle (1) even equidistance a plurality of small opening (9) seted up, fixedly connected with spring (10) on the chamber wall of small opening (9) is kept away from in inner chamber (7), the other end fixedly connected with rubber pad (11) of spring (10), one end fixedly connected with kelly (12) of spring (10) are kept away from in rubber pad (11), the one end that spring (10) were kept away from in kelly (12) is the hemisphere setting, the drill way and the downwardly extending of small opening (9) are passed to the lower extreme of kelly (12), the axis of kelly (12), rubber pad (11), spring (10) and small opening (9) overlaps.

2. A high strength low friction torque tapered roller bearing according to claim 1, characterized in that the inner cavity (7) is disposed to be inclined toward the middle near the cavity wall of the inner ring (1).

3. The tapered roller bearing with high strength and low friction torque as claimed in claim 1, characterized in that ball grooves (13) are symmetrically formed on opposite wall of the leakage hole (9), balls (14) are connected in the ball grooves (13) in a rolling manner, and one end of each ball (14) far away from the bottom of each ball groove (13) penetrates through the notch of each ball groove (13), extends outwards and is connected with the rod wall of the clamping rod (12) in a rolling manner.

4. A high strength low friction torque tapered roller bearing according to claim 3, characterized in that the ball groove (13) is closed, and the diameter of the ball (14) is larger than the diameter of the opening of the ball groove (13).

5. The tapered roller bearing with high strength and low friction torque as claimed in claim 1, characterized in that the outer ring (2) is provided with a plurality of first indicating blocks (15) which are matched with the leakage holes (9) and are fixedly connected with the side wall far away from the oil inlet hole (8) in an annular distribution and uniform and equidistant manner, and the inner ring (1) is provided with a plurality of second indicating blocks (16) which are matched with the convex blocks (6) and are fixedly connected with the side wall far away from the oil inlet hole (8) in an annular distribution and uniform and equidistant manner.

6. A high strength low friction torque tapered roller bearing according to claim 1, characterized in that the material of the inner ring (1), the outer ring (2) and the rollers (4) is stainless steel.