CN218971649U - Tapered roller bearing with wear-resisting contact area replacement structure - Google Patents

Abstract

The utility model discloses a tapered roller bearing with a wear-resistant contact area replacement structure, which comprises an inner ring, wherein a retainer is arranged on the outer side of the inner ring, a plurality of rollers are arranged on a mounting frame, an outer ring is sleeved on the outer side of the retainer, a contact layer is arranged between the outer ring and the retainer, the contact layer is annular, and the inner side of the contact layer is in contact with the plurality of rollers; the upper end and the lower end of the inner ring are respectively provided with a plurality of turning plates, one sides of the plurality of turning plates positioned at the upper end of the inner ring are hinged with the contact layer, and one sides of the plurality of turning plates positioned at the lower end of the inner ring are fixedly connected with the contact layer; limiting mechanisms are arranged between the contact layer and the corresponding turning plates, sliding grooves are formed in the upper end and the lower end of the inner ring, the two sliding grooves are annular, sliding blocks are fixedly connected to one sides, close to the inner ring, of the turning plates, one ends of the sliding blocks are slidably connected with the sliding grooves, and the contact layer is arranged between the roller and the outer ring and is subjected to wear-resistant treatment, the roller contacts and rubs with the inner wall of the contact layer, and the contact layer can be replaced more quickly and conveniently in the later period.

Description

Tapered roller bearing with wear-resisting contact area replacement structure

Technical Field

The utility model relates to a tapered roller bearing with a wear-resistant contact area replacement structure, and belongs to the technical field of tapered roller bearings.

Background

Tapered roller bearings are split bearings, and the inner ring and the outer ring of the bearing are provided with tapered raceways. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the row number of the rollers. The single row tapered roller bearing can bear radial load and unidirectional axial load. When the bearing is subjected to radial loads, an axial component will be generated, so that another bearing which can withstand the opposite axial force is required to be balanced.

The existing tapered roller bearing is generally characterized in that a retainer is arranged between an outer ring and an inner ring, a plurality of tapered rollers are arranged on the retainer, in the use process, the tapered rollers can continuously contact with the inner wall of the outer ring when rolling, when the contact friction time is long, especially under the condition that lubricating oil is insufficient, the friction force between the tapered rollers and the inner wall of the outer ring can be greatly increased, so that certain damage can be caused to the inner wall of the outer ring, the usability and the service life of the bearing can be influenced, a special auxiliary tool is needed to be prepared in the later stage, the bearing body is detached firstly, and then the outer ring can be detached from the bearing body through other special tools, so that the process is complex, and time and labor are wasted.

Disclosure of Invention

The utility model aims to provide a tapered roller bearing with a wear-resistant contact area replacement structure, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tapered roller bearing with the wear-resistant contact area replacement structure comprises an inner ring, wherein a retainer is arranged on the outer side of the inner ring, a plurality of rollers are arranged on a mounting frame, an outer ring is sleeved on the outer side of the retainer, a contact layer is arranged between the outer ring and the retainer, the contact layer is annular, and the inner side of the contact layer is in contact with the plurality of rollers; the upper end and the lower end of the inner ring are respectively provided with a plurality of turning plates, one sides of the turning plates positioned at the upper end of the inner ring are hinged with the contact layer, and one sides of the turning plates positioned at the lower end of the inner ring are fixedly connected with the contact layer; and a limiting mechanism is arranged between the contact layer and the corresponding turning plate, sliding grooves are formed in the upper end and the lower end of the inner ring, the two sliding grooves are annular, a plurality of sliding blocks are fixedly connected to one sides, close to the inner ring, of the turning plate, and one ends of the sliding blocks are in sliding connection with the sliding grooves.

Preferably, the limiting mechanism comprises a first fixing block, a second fixing block, a limiting bolt and a limiting groove, wherein the first fixing block is fixedly connected to the upper end of the turning plate, the second fixing block is fixedly connected to the upper end of the contact layer, one side, close to the second fixing block, of the first fixing block is provided with the limiting groove matched with the limiting bolt, the limiting bolt is in threaded connection with the second fixing block, and the wall end of the limiting bolt rod is in threaded connection with the limiting groove.

Preferably, the outer ring is in threaded connection with the contact layer.

Preferably, the outer lane bottom fixedly connected with bottom plate, contact layer bottom and bottom plate contact, bottom plate bottom threaded connection has a plurality of mounting bolts, the contact layer bottom be equipped with a plurality of with mounting bolt looks adaptation's mounting groove, a plurality of mounting bolt pole wall end all with corresponding mounting groove threaded connection.

Preferably, one end of each sliding block located in the corresponding sliding groove is hemispherical, and each sliding block is matched with the corresponding sliding groove.

Compared with the prior art, the utility model has the beneficial effects that: through set up the contact layer between roller and outer lane, the contact layer passes through wear-resisting treatment, and the roller contacts the friction with the contact layer inner wall when rolling, and the change contact layer that the later stage also can be more quick convenient, labour saving and time saving.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of the appearance structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in the present utility model.

In the figure: 1. an outer ring; 2. a contact layer; 3. an inner ring; 4. a retainer; 5. a roller; 6. a limiting mechanism; 61. a first fixed block; 62. a limit bolt; 63. a second fixed block; 64. a limit groove; 7. a bottom plate; 8. installing a bolt; 9. a mounting groove; 10. a chute; 11. turning plate; 12. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the tapered roller 5 bearing with the wear-resistant contact area replacement structure comprises an inner ring 3, wherein a retainer 4 is arranged on the outer side of the inner ring 3, a plurality of rollers 5 are arranged on a mounting frame, an outer ring 1 is sleeved on the outer side of the retainer 4, a contact layer 2 is arranged between the outer ring 1 and the retainer 4, the contact layer 2 is annular, and the inner side of the contact layer 2 is in contact with the plurality of rollers 5; the upper end and the lower end of the inner ring 3 are respectively provided with a plurality of turning plates 11, one side of each of the plurality of turning plates 11 positioned at the upper end of the inner ring 3 is hinged with the contact layer 2, and one side of each of the plurality of turning plates 11 positioned at the lower end of the inner ring 3 is fixedly connected with the contact layer 2; the contact layer 2 all is equipped with stop gear 6 between turning over board 11 with corresponding, spout 10 has all been seted up at both ends about the inner circle 3, two spouts 10 all establish to annular, a plurality of equal fixedly connected with slider 12 in one side that turns over board 11 is close to the inner circle 3, a plurality of slider 12 one end all with spout 10 sliding connection, through set up contact layer 2 between roller 5 and outer lane 1, contact layer 2 passes through wear-resisting treatment, roller 5 when rolling with contact layer 2 inner wall contact friction, the change contact layer 2 that later stage also can be more quick convenient, labour saving and time saving.

The plurality of limiting mechanisms 6 comprise a first fixed block 61, a second fixed block 63, a limiting bolt 62 and a limiting groove 64, wherein the first fixed block 61 is fixedly connected to the upper end of the turning plate 11, the second fixed block 63 is fixedly connected to the upper end of the contact layer 2, one side, close to the second fixed block 63, of the first fixed block 61 is provided with the limiting groove 64 matched with the limiting bolt 62, the limiting bolt 62 is in threaded connection with the second fixed block 63, the rod wall end of the limiting bolt 62 is in threaded connection with the limiting groove 64, and the limiting bolt 62 is matched with the first fixed block 61 to limit the turning plate 11, so that the turning plate 11 is prevented from turning autonomously; the outer ring 1 is in threaded connection with the contact layer 2, so that the contact layer 2 and the outer ring 1 can be separated and detached conveniently in the later period; the bottom end of the outer ring 1 is fixedly connected with a bottom plate 7, the bottom end of the contact layer 2 is in contact with the bottom plate 7, a plurality of mounting bolts 8 are in threaded connection with the bottom end of the bottom plate 7, a plurality of mounting grooves 9 matched with the mounting bolts 8 are formed in the bottom end of the contact layer 2, the rod wall ends of the plurality of mounting bolts 8 are in threaded connection with the corresponding mounting grooves 9, and the connection stability between the contact layer 2 and the outer ring 1 is further ensured; one end of each sliding block 12 positioned in the corresponding sliding groove 10 is hemispherical, and each sliding block 12 is matched with the corresponding sliding groove 10, so that the sliding blocks 12 can slide in the sliding grooves 10 conveniently.

Specifically, when the utility model is used, the contact layer 2 is arranged between the roller 5 and the outer ring 1, the contact layer 2 is subjected to wear-resistant treatment, the roller 5 is in contact friction with the inner wall of the contact layer 2 when rolling, when the contact layer 2 needs to be replaced in the later period, the plurality of limit bolts 62 are rotated, the plurality of turning plates 11 can be rotated when the plurality of limit bolts 62 are separated from the plurality of second fixing blocks 63, the inner ring 3, the retainer 4 and the plurality of rollers 5 can be taken out when the plurality of sliding blocks 12 at the bottom ends of the plurality of turning plates 11 are separated from the corresponding sliding grooves 10, then the plurality of mounting bolts 8 are rotated, the mounting bolts 8 are separated from the contact layer 2, and finally the contact layer 2 is rotated, so that the contact layer 2 is separated from the outer ring 1, the contact layer 2 can be detached more conveniently for replacement, a plurality of special auxiliary tools are not required for gradual detachment, the operation is more convenient, and time and labor are saved.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Tapered roller bearing with wear-resisting contact area change structure, including inner circle (3), the inner circle (3) outside is equipped with holder (4), be equipped with a plurality of rollers (5) on the holder, holder (4) outside cover is equipped with outer lane (1), its characterized in that: a contact layer (2) is arranged between the outer ring (1) and the retainer (4), the contact layer (2) is annular, and the inner side of the contact layer (2) is contacted with a plurality of rollers (5); a plurality of turning plates (11) are arranged at the upper end and the lower end of the inner ring (3), one sides of the turning plates (11) positioned at the upper end of the inner ring (3) are hinged with the contact layer (2), and one sides of the turning plates (11) positioned at the lower end of the inner ring (3) are fixedly connected with the contact layer (2); the contact layer (2) and corresponding turn plate (11) between all be equipped with stop gear (6), spout (10) have all been seted up at both ends about inner circle (3), two spout (10) all are established to annular, a plurality of turn plate (11) are close to one side of inner circle (3) and all fixedly connected with slider (12), a plurality of slider (12) one end all with spout (10) sliding connection.

2. A tapered roller bearing with a wear-resistant contact area replacement structure as claimed in claim 1, wherein: a plurality of stop gear (6) all include first fixed block (61), second fixed block (63), stop bolt (62) and spacing groove (64), first fixed block (61) fixed connection is in turning over board (11) upper end, second fixed block (63) fixed connection is in contact layer (2) upper end, one side that first fixed block (61) is close to second fixed block (63) is equipped with spacing groove (64) with stop bolt (62) looks adaptation, stop bolt (62) and second fixed block (63) threaded connection, stop bolt (62) pole wall end and spacing groove (64) threaded connection.

3. A tapered roller bearing with a wear-resistant contact area replacement structure as claimed in claim 1, wherein: the outer ring (1) is in threaded connection with the contact layer (2).

4. A tapered roller bearing with a wear-resistant contact area replacement structure as claimed in claim 1, wherein: the novel anti-theft device is characterized in that the bottom end of the outer ring (1) is fixedly connected with the bottom plate (7), the bottom end of the contact layer (2) is in contact with the bottom plate (7), a plurality of mounting bolts (8) are connected to the bottom end of the bottom plate (7) in a threaded mode, a plurality of mounting grooves (9) matched with the mounting bolts (8) are formed in the bottom end of the contact layer (2), and a plurality of rod wall ends of the mounting bolts (8) are in threaded connection with the corresponding mounting grooves (9).

5. A tapered roller bearing with a wear-resistant contact area replacement structure as claimed in claim 1, wherein: one end of each sliding block (12) positioned in the corresponding sliding groove (10) is hemispherical, and the sliding blocks (12) are matched with the corresponding sliding grooves (10).

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