CN216519179U

CN216519179U - High-speed lubricated four-row tapered roller bearing

Info

Publication number: CN216519179U
Application number: CN202220121668.1U
Authority: CN
Inventors: 曹荣贺; 曹付强; 陈霞; 牛凤梅
Original assignee: Linqing Qiqiang Bearing Co ltd
Current assignee: Linqing Qiqiang Bearing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-13
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a high-speed lubrication four-row tapered roller bearing, relates to the technical field of bearings, and solves the problem that lubricating oil easily flows back outwards from the adding position of the four-row tapered roller bearing. The high-speed lubricated four-row tapered roller bearing comprises an outer bearing ring; a vertical inner lubricating oil pipe is arranged at the lower part of the outer bearing ring, the inner lubricating oil pipe is communicated with the tail end of the middle oil outlet, the head end of the middle oil outlet penetrates through the inner side of the outer bearing ring, an oil outlet ring with an annular structure is arranged in the middle of the outer bearing ring, and the oil outlet ring is communicated with the inner lubricating oil pipe and the middle oil outlet; the bearing column is arranged on the inner side of the outer bearing ring in a sliding mode, the bearing column is arranged between the outer bearing ring and the inner bearing ring in a surrounding mode, and the bearing column is connected with the outer bearing ring and the inner bearing ring in a sliding mode. This practicality is sealed with the sealing member through supporting the bullet strip and supporting sealed piece, avoids the condition that flows along the sealing member of the inside lubricating oil of interior lubricating oil.

Description

High-speed lubricated four-row tapered roller bearing

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a high-speed lubricated four-row tapered roller bearing.

Background

The four-row tapered roller bearing is mainly applied to low-speed to medium-speed rolling mills, can bear axial load outside radial load, and enables load distribution to be more reasonable due to the four-row rollers, so that abrasion is reduced, and the service life is prolonged.

Based on the above, the number of the bearing columns in the four-row tapered roller bearing is large, the requirement for lubricating oil is high, people are required to frequently add lubricating oil, and lubricating oil easily flows backwards from the adding position of the four-row tapered roller bearing, so that the lubricating oil is wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a high-speed lubricated four-row tapered roller bearing, which avoids backflow of lubricating oil in an inner lubricating oil pipe outwards along a sealing element through contact sealing between a sealing block and the sealing element, and improves the utilization efficiency of the lubricating oil.

The utility model relates to a high-speed lubrication four-row tapered roller bearing, which is achieved by the following specific technical means:

the high-speed lubricated four-row tapered roller bearing comprises an outer bearing ring; the lower part of the outer bearing ring is provided with a vertical inner lubricating oil pipe, the inner lubricating oil pipe is communicated with the tail end of the middle oil outlet, the head end of the middle oil outlet penetrates through the inner side of the outer bearing ring, the middle part of the outer bearing ring is provided with an oil outlet ring in an annular structure, the oil outlet ring is communicated with the middle oil outlet through the inner lubricating oil pipe and the inner lubricating oil pipe, the middle oil outlets are arranged on the inner side of the oil outlet ring in a surrounding array manner, the middle oil outlets are arranged at the vertical interval of the bearing columns and the middle position of the bearing columns, the oil outlet ring and the middle oil outlet are vertically arranged in the outer bearing ring in an array manner, and the vertically adjacent oil outlet rings are communicated through the inner lubricating oil pipe; the inner side of the outer bearing ring is provided with a bearing column in a sliding manner, the bearing column is arranged between the outer bearing ring and the inner bearing ring in a surrounding manner, the bearing column is connected with the outer bearing ring and the inner bearing ring in a sliding manner, a middle oil outlet at the vertical interval of the bearing column is provided with a sliding plugging strip in a sliding manner, the sliding plugging strip is of a cylindrical structure, the tail end of the sliding plugging strip is positioned in the middle oil outlet, and the head end of the sliding plugging strip is positioned outside the middle oil outlet; an inner bearing ring is arranged on the inner side of the bearing column; the upper part and the lower part of the outer bearing ring are both rotatably provided with a sealing ring, the inner side of the sealing ring is rotatably connected with the inner bearing ring, the top of the sealing ring is provided with a rotatable upper rotating sheet in an annular array manner, the top of the upper rotating sheet is provided with a convex wind guide strip, and the outer side of the upper rotating sheet is rotatably connected with the inner side of the outer bearing ring; the sealing device is characterized in that a sealing element is arranged on the lower portion of the outer bearing ring and is of a hollow tubular structure, a supporting elastic strip is fixedly arranged inside the sealing element, the bottom end of the supporting elastic strip is fixedly connected with a sealing block, the lower portion of the sealing block is of a spherical structure, the lower portion of the sealing block is in sliding seal with the middle portion of the sealing element, the sealing element is fixed with the outer bearing ring in a nested mode, and the top of the sealing element is communicated with the bottom end of the inner lubricating oil pipe.

The utility model at least comprises the following beneficial effects:

1. according to the utility model, the sealing element is used for injecting softening oil into the internal lubricating oil pipe, the oil outlet is used for lubricating the bearing column after oil flows out, and the supporting elastic strip is used for supporting the sealing block to seal with the sealing element, so that the condition that the lubricating oil in the internal lubricating oil pipe flows out along the sealing element is avoided.

2. When the inner bearing ring rotates at a high speed, the sliding blocking strip slides outwards synchronously, the sliding blocking strip extrudes lubricating oil in the middle oil outlet and the oil outlet ring, the middle oil outlet lubricates the lubricating oil at the interval of the bearing columns, the quantity of the lubricating oil among the bearing columns is increased, and the lubricating effect of the bearing during high-speed rotation is improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the inner race structure of the present invention.

FIG. 3 is a schematic view of a seal half-section of the present invention.

Fig. 4 is a schematic view of a half-section structure of the outer race of the present invention.

FIG. 5 is a schematic view of the split structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer bearing ring; 101. an inner lubricating oil pipe; 102. a middle oil outlet; 103. an oil outlet ring; 104. sliding the blocking strip; 2. an inner bearing ring; 3. a seal ring; 301. upward rotating the sheet; 4. a bearing post; 5. a seal member; 501. a sealing block; 502. supporting the elastic strip.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 5:

the utility model provides a high-speed lubricated four-row tapered roller bearing, which comprises an outer bearing ring 1; the lower part of an outer bearing ring 1 is provided with a vertical inner lubricating oil pipe 101, the inner lubricating oil pipe 101 is communicated with the tail end of a middle oil outlet 102, the head end of the middle oil outlet 102 penetrates to the inner side of the outer bearing ring 1, the middle part of the outer bearing ring 1 is provided with an oil outlet ring 103 with an annular structure, the oil outlet ring 103 is communicated with the inner lubricating oil pipe 101 and the middle oil outlet 102, the middle oil outlets 102 are arranged at the inner side of the oil outlet ring 103 in a surrounding array manner, the middle oil outlets 102 are arranged at the vertical interval of bearing columns 4 and at the middle position of the bearing columns 4, the oil outlet ring 103 and the middle oil outlet 102 are arranged inside the outer bearing ring 1 in a vertical array manner, the vertically adjacent oil outlet rings 103 are communicated through the inner lubricating oil pipe 101 to lubricate four rows of bearing columns 4, the middle oil outlets 102 at the vertical interval of the bearing columns 4 are provided with sliding blocking strips 104, the sliding blocking strips 104 are of a cylindrical structure, and the tail end of the sliding blocking strips 104 is arranged inside the middle oil outlet 102, the head end of the sliding plug strip 104 is positioned outside the middle oil outlet 102, when the outer bearing ring 1 and the inner bearing ring 2 rotate at a high speed, the tail end of the sliding plug strip 104 is provided with a flexible rubber limiting sealing ring to limit the moving range of the sliding plug strip 104, the sliding plug strip 104 slides towards the outside of the tail end, and the sliding plug strip 104 extrudes lubricating oil in the middle oil outlet 102 and the oil outlet ring 103 to promote the discharge of the lubricating oil; the inner side of the outer bearing ring 1 is provided with a bearing column 4 in a sliding manner, the bearing column 4 is arranged between the outer bearing ring 1 and the inner bearing ring 2 in a surrounding manner, and the bearing column 4 is connected with the outer bearing ring 1 and the inner bearing ring 2 in a sliding manner; the inner side of the bearing column 4 is provided with an inner bearing ring 2; sealing rings 3 are rotatably arranged on the upper portion and the lower portion of the outer bearing ring 1, the inner side of each sealing ring 3 is rotatably connected with the inner bearing ring 2, rotating upper rotating pieces 301 are arranged on the top of the sealing rings 3 in an annular array mode, convex air guide strips are arranged on the tops of the upper rotating pieces 301, the outer sides of the upper rotating pieces 301 are rotatably connected with the inner side of the outer bearing ring 1, the flow speed of air is increased in the rotation of convex strips on the tops of the upper rotating pieces 301, and the heat dissipation effect of the bearing is enhanced; the lower part of the outer bearing ring 1 is provided with a sealing element 5.

Referring to fig. 2 and 3, the sealing member 5 is a hollow tubular structure, a supporting elastic strip 502 is fixedly arranged inside the sealing member 5, the bottom end of the supporting elastic strip 502 is fixedly connected with a sealing block 501, the lower portion of the sealing block 501 is of a spherical structure, and the lower portion of the sealing block 501 is in sliding seal with the middle of the sealing member 5, so that the lubricating oil inside the inner lubricating oil pipe 101 is prevented from flowing backwards along the sealing member 5 and flowing out.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the inner bearing ring 2 is sleeved at the rotating shaft of a rolling mill, a groove at the inner side of the inner bearing ring 2 can store lubricating grease and wear particles, a lubricating oil injector injects lubricating oil into the sealing element 5 and the inner lubricating oil pipe 101, the middle oil outlet 102 and the oil outlet ring 103 are mutually communicated, the inner lubricating oil pipe 101 and the oil outlet ring 103 can store the lubricating oil to prolong the service life of the lubricating oil, the middle part of the bearing column 4 is in sliding connection with the outlet of the middle oil outlet 102, so that the lubricating oil in the middle oil outlet 102 lubricates the middle part of the bearing column 4, the oil in the middle oil outlet 102 flows out to the bearing column 4 for lubrication, the sealing block 501 is supported by the supporting elastic strip 502 to be sealed with the sealing element 5, the lubricating oil in the inner lubricating oil pipe 101 is prevented from flowing out along the sealing element 5, and the pressure of the lubricating oil drives the sealing block 501 to press the supporting elastic strip 502 to move upwards during the injection of the lubricating oil, the sealing of sealing block 501 and sealing member 5 is relieved, the pouring of lubricating oil is conveniently carried out, when outer race ring 1 and inner race ring 2 rotate at a high speed, slip stifled strip 104 slides to the outside of tail end, discharge of the inside lubricating oil of oil-out 102 and oil ring 103 during slip stifled strip 104 extrudes, well oil-out 102 carries out lubricating oil lubrication to the interval department of bearing post 4, increase the quantity of lubricating oil between bearing post 4, increase the lubrication range of bearing post 4, promote the lubrication effect of bearing when rotating at a high speed, outer race ring 1 rotates with last rotor 301, go up the flow velocity that increases the air in the rotation of rotor 301 top sand grip, the reinforcing radiating effect of bearing, sealing washer 3 can seal the lubricating oil around bearing post 4, the life of extension lubricating oil.

The utility model is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Four-row tapered roller bearing of high-speed lubrication, its characterized in that: the four-row tapered roller bearing comprises an outer bearing ring (1); a bearing column (4) is arranged on the inner side of the outer bearing ring (1) in a sliding manner; an inner bearing ring (2) is arranged on the inner side of the bearing column (4); the upper part and the lower part of the outer bearing ring (1) are both rotatably provided with a sealing ring (3); a sealing element (5) is arranged at the lower part of the outer bearing ring (1); the sealing element (5) is internally and fixedly provided with a supporting elastic strip (502), the bottom end of the supporting elastic strip (502) is fixedly connected with a sealing block (501), and the lower part of the sealing block (501) is in sliding seal with the sealing element (5).

2. The high-speed lubricated four-row tapered roller bearing as claimed in claim 1, wherein a vertical inner lubricating oil pipe (101) is arranged at the lower part of the outer bearing ring (1), the inner lubricating oil pipe (101) is connected with the tail end of the middle oil outlet (102) in a through mode, the head end of the middle oil outlet (102) penetrates to the inner side of the outer bearing ring (1), and an oil outlet ring (103) with an annular structure is arranged in the middle of the outer bearing ring (1).

3. The high-speed lubricated four-row tapered roller bearing as claimed in claim 2, wherein the oil outlet ring (103) is communicated with the inner lubricating oil pipe (101) and the middle oil outlet (102), the middle oil outlet (102) is arranged around the inner side of the oil outlet ring (103) in an array, and the middle oil outlet (102) is arranged at the vertical interval of the bearing columns (4) and at the middle position of the bearing columns (4).

4. The high-speed lubricated four-row tapered roller bearing according to claim 2, wherein the oil outlet rings (103) and the oil outlet ports (102) are vertically arrayed inside the outer bearing ring (1), and the adjacent oil outlet rings (103) are communicated through the inner lubricating oil pipe (101).

5. High-speed lubricated four-row tapered roller bearing according to claim 1, wherein the bearing cylinders (4) are circumferentially arranged between the outer bearing ring (1) and the inner bearing ring (2), the bearing cylinders (4) being slidably connected to the outer bearing ring (1) and the inner bearing ring (2).

6. The high-speed lubricated four-row tapered roller bearing as claimed in claim 1, wherein the top annular array of the sealing ring (3) is provided with a rotary upper rotating sheet (301), the top of the upper rotating sheet (301) is provided with a convex air guide strip, and the outer side of the upper rotating sheet (301) is rotatably connected with the inner side of the outer bearing ring (1).

7. The high-speed lubricated four-row tapered roller bearing according to claim 2, wherein the middle oil outlet (102) at the vertical interval of the bearing column (4) is provided with a sliding blocking strip (104) in a sliding manner, the tail end of the sliding blocking strip (104) is positioned inside the middle oil outlet (102), and the head end of the sliding blocking strip (104) is positioned outside the middle oil outlet (102).

8. The high-speed lubricated four-row tapered roller bearing according to claim 1, wherein the seal (5) is fixed in a nested manner with the outer bearing ring (1), and the top of the seal (5) is communicated with the inner lubricating oil pipe (101).