CN216158123U

CN216158123U - Wear-resistant bearing

Info

Publication number: CN216158123U
Application number: CN202122274157.1U
Authority: CN
Inventors: 曹银红; 高海洋
Original assignee: Ningbo Jingchang Bearing Co ltd
Current assignee: Ningbo Jingchang Bearing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-01
Anticipated expiration: 2031-09-18

Abstract

The application provides a wear-resistant bearing, which comprises an inner ring, an outer ring and a roller, wherein an inner groove is formed in the outer wall of the inner ring, an outer groove is formed in the inner wall of the outer ring, the inner groove and the outer groove are aligned along the radial direction of the inner ring, one surface of the roller is positioned in the inner groove, the other surface of the roller is positioned in the outer groove, the roller is respectively in rolling connection with the inner groove and the outer groove, a first inner supporting sheet and a second inner supporting sheet are detachably and fixedly connected in the inner groove, the first inner supporting sheet is semicircular, the central axis of the inner ring, the central axis of the outer ring, the central axis of the inner groove and the central axis of the outer groove are positioned on the same straight line, the second inner supporting sheet is semicircular, the first inner supporting sheet is parallel to the inner wall of the inner groove, the second inner supporting sheet is parallel to the inner wall of the inner groove, the first inner supporting sheet is tightly matched with the inner wall of the inner groove, and the second inner supporting sheet is tightly matched with the inner wall of the inner groove, the first inner supporting piece and the second inner supporting piece are respectively positioned on two sides of a central axis of the inner ring.

Description

Wear-resistant bearing

Technical Field

The application relates to the technical field of bearings, in particular to a wear-resistant bearing.

Background

The bearing in the prior art generally comprises an inner ring, an outer ring and rollers, wherein the inner ring is sleeved inside the outer ring, grooves are formed in the outer wall of the inner ring and the inner wall of the outer ring, the rollers are arranged in the grooves, one surface of each roller rolls in the groove of the inner ring, and the other surface of each roller rolls in the groove of the outer ring.

In the course of the work, there is the friction of certain degree on roller surface and slot surface, and long-term use back slot surface can have wearing and tearing, and after slot surface wearing and tearing severity exceeded predetermined scope, because the slot surface can't be restoreed, so need change whole bearing, and the cost of changing whole bearing is higher, consequently need use more wear-resisting bearing.

Disclosure of Invention

The application provides a wear-resisting bearing for it leads to the problem of cost too high to change whole bearing because of slot surface wearing and tearing among the solution prior art.

In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:

a wear-resistant bearing comprises an inner ring, an outer ring and a roller, wherein the inner ring is sleeved inside the outer ring, an inner groove is formed in the outer wall of the inner ring, an outer groove is formed in the inner wall of the outer ring, the inner groove and the outer groove are aligned along the radial direction of the inner ring, one side of the roller is located in the inner groove, the other side of the roller is located in the outer groove, the roller is respectively in rolling connection with the inner groove and the outer groove, a first inner supporting sheet and a second inner supporting sheet are detachably and fixedly connected in the inner groove, the first inner supporting sheet is semicircular, the central axis of the inner ring, the central axis of the outer ring, the central axis of the inner groove and the central axis of the outer groove are located on the same straight line, the second inner supporting sheet is semicircular, and the first inner supporting sheet is parallel to the inner wall of the inner groove, the inner supporting piece is parallel to the inner wall of the inner groove, the first inner supporting piece is tightly matched with the inner wall of the inner groove, the second inner supporting piece is tightly matched with the inner wall of the inner groove, the first inner supporting piece and the second inner supporting piece are respectively positioned on two sides of the central axis of the inner ring, the end face of the first inner supporting piece is abutted to the end face of the second inner supporting piece, the central axis of the first inner supporting piece and the central axis of the second inner supporting piece are positioned on the same straight line, the central axis of the first inner supporting piece and the central axis of the inner ring are positioned on the same straight line, the first inner supporting piece and the second inner supporting piece are elastic, the hardness of the first inner supporting piece and the hardness of the second inner supporting piece are larger than that of the inner ring, and one surface of the roller, which is far away from the outer groove, is in rolling connection with the inner wall of the first inner supporting piece or in rolling connection with the inner wall of the second inner supporting piece.

In some embodiments, a first outer supporting piece and a second outer supporting piece are detachably and fixedly connected in the outer groove, the first outer supporting piece is semicircular, the second outer supporting piece is semicircular, the first outer supporting piece is parallel to the inner wall of the outer groove, the second outer supporting piece is parallel to the inner wall of the outer groove, the first outer supporting piece is tightly matched with the inner wall of the outer groove, the second outer supporting piece is tightly matched with the inner wall of the outer groove, the first outer supporting piece and the second outer supporting piece are respectively located on two sides of the central axis of the outer ring, the end face of the first outer supporting piece is abutted against the end face of the second outer supporting piece, the central axis of the first outer supporting piece and the central axis of the second outer supporting piece are located on the same straight line, and the central axis of the first outer supporting piece and the central axis of the outer ring are located on the same straight line, the first outer supporting piece and the second outer supporting piece have elasticity, the hardness of the first outer supporting piece and the hardness of the second outer supporting piece are larger than that of the outer ring, and one surface, far away from the inner groove, of the roller is in rolling connection with the inner wall of the first outer supporting piece or in rolling connection with the inner wall of the second outer supporting piece.

In some embodiments, inner axial positioning surfaces are disposed on two side edges of the inner groove, the inner axial positioning surfaces are perpendicular to the central axis of the inner ring, and two side edges of the first inner supporting piece are respectively in press fit with the inner axial positioning surfaces along a direction parallel to the central axis of the inner ring.

In some embodiments, two side edges of the second inner supporting piece are respectively in press fit with the inner axial positioning surface along a direction parallel to the central axis of the inner ring.

In some embodiments, two side edges of the outer groove are provided with outer axial positioning surfaces, the outer axial positioning surfaces are perpendicular to the central axis of the outer ring, and two side edges of the first outer supporting piece are respectively in press fit with the outer axial positioning surfaces along a direction parallel to the central axis of the outer ring.

In some embodiments, two side edges of the second outer supporting piece are respectively in press fit with the outer axial positioning surface along a direction parallel to the central axis of the outer ring.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a wear-resistant bearing in an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of the first inner support blade, the second inner support blade, and the first outer support blade, the second outer support blade of the present embodiment;

fig. 4 is a partially enlarged view at B in fig. 1.

Reference numerals:

101. an inner ring; 102. an outer ring; 103. a roller; 104. an inner groove; 105. an outer groove; 106. a first inner support piece; 107. a second inner support piece; 108. a first outer support piece; 109. a second outer support sheet; 110. an inner axial positioning surface; 111. an outer axial locating surface.

Detailed Description

Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 4, in an embodiment of the present application, there is provided a wear-resistant bearing, including an inner ring 101, an outer ring 102, and rollers 103, wherein the inner ring 101 is sleeved inside the outer ring 102, an inner groove 104 is provided on an outer wall of the inner ring 101, an outer groove 105 is provided on an inner wall of the outer ring 102, the inner groove 104 and the outer groove 105 are aligned along a radial direction of the inner ring 101, one surface of the rollers 103 is located inside the inner groove 104, the other surface of the rollers 103 is located inside the outer groove 105, the rollers 103 are respectively connected with the inner groove 104 and the outer groove 105 in a rolling manner, a first inner supporting piece 106 and a second inner supporting piece 107 are detachably and fixedly connected inside the inner groove 104, the first inner supporting piece 106 is semicircular, a central axis of the inner ring 101, a central axis of the outer ring 102, a central axis of the inner groove 104, and a central axis of the outer groove 105 are located on a same straight line, the second inner supporting piece 107 is semicircular, the first inner supporting piece 106 is parallel to an inner wall of the inner groove 104, the second inner supporting piece 107 is parallel to the inner wall of the inner groove 104, the first inner supporting piece 106 is tightly matched with the inner wall of the inner groove 104, the second inner supporting piece 107 is tightly matched with the inner wall of the inner groove 104, the first inner supporting piece 106 and the second inner supporting piece 107 are respectively positioned on two sides of a central axis of the inner ring 101, the end face of the first inner supporting piece 106 is abutted against the end face of the second inner supporting piece 107, the central axis of the first inner supporting piece 106 and the central axis of the second inner supporting piece 107 are positioned on the same straight line, the central axis of the first inner supporting piece 106 and the central axis of the inner ring 101 are positioned on the same straight line, the first inner supporting piece 106 and the second inner supporting piece 107 have elasticity, the hardness of the first inner supporting piece 106 and the hardness of the second inner supporting piece 107 are greater than that of the inner ring 101, and one face, far away from the outer groove 105, of the roller 103 is in rolling connection with the inner wall of the first inner supporting piece 106 or in rolling connection with the inner wall of the second inner supporting piece 107.

In some embodiments, a first outer supporting piece 108 and a second outer supporting piece 109 are detachably and fixedly connected in the outer groove 105, the first outer supporting piece 108 is semicircular, the second outer supporting piece 109 is semicircular, the first outer supporting piece 108 is parallel to the inner wall of the outer groove 105, the second outer supporting piece 109 is parallel to the inner wall of the outer groove 105, the first outer supporting piece 108 is tightly fitted to the inner wall of the outer groove 105, the second outer supporting piece 109 is tightly fitted to the inner wall of the outer groove 105, the first outer supporting piece 108 and the second outer supporting piece 109 are respectively located on both sides of the central axis of the outer ring 102, the end face of the first outer supporting piece 108 is abutted to the end face of the second outer supporting piece 109, the central axis of the first outer supporting piece 108 is located on the same straight line with the central axis of the outer ring 102, the first outer supporting piece 108 and the second outer supporting piece 109 have elasticity, the hardness of the first outer supporting piece 108 and the hardness of the second outer supporting piece 109 are greater than the hardness of the outer ring 102, and the surface of the roller 103 away from the inner groove 104 is in rolling connection with the inner wall of the first outer supporting piece 108 or the inner wall of the second outer supporting piece 109.

In some embodiments, inner axial positioning surfaces 110 are disposed on two sides of the inner groove 104, the inner axial positioning surfaces 110 are perpendicular to the central axis of the inner ring 101, and two sides of the first inner supporting plate 106 are respectively press-fitted with the inner axial positioning surfaces 110 along a direction parallel to the central axis of the inner ring 101.

In some embodiments, two sides of the second inner supporting piece 107 are respectively press-fitted with the inner axial positioning surface 110 along a direction parallel to the central axis of the inner ring 101.

In some embodiments, the outer groove 105 is provided with outer axial positioning surfaces 111 on two sides, the outer axial positioning surfaces 111 are perpendicular to the central axis of the outer ring 102, and two sides of the first outer supporting piece 108 are respectively press-fitted with the outer axial positioning surfaces 111 along a direction parallel to the central axis of the outer ring 102.

In some embodiments, the two sides of the second outer supporting piece 109 are press-fitted with the outer axial positioning surface 111 along a direction parallel to the central axis of the outer ring 102.

In the assembling process of the wear-resistant bearing provided by this embodiment, first the first inner supporting piece 106 is radially clamped in the inner groove 104, then the second inner supporting piece 107 is radially clamped on the other side of the inner groove 104, the first inner supporting piece 106 and the second inner supporting piece 107 are spliced to form a complete supporting piece, similarly, the first outer supporting piece 108 is radially clamped in the outer groove 105, then the second outer supporting piece 109 is radially clamped on the other side of the outer groove 105, the thicknesses of the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 are between 0.3 mm and 0.5 mm, and the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 have certain elasticity due to their small thicknesses, and are convenient for assembling (are not easy to be jammed or broken), and the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 are made of high carbon steel material and are quenched, the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 are made to have hardness higher than that of the inner ring 101 and the outer ring 102, so that the wear resistance is higher, the service life is prolonged, after the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 are worn, the first inner supporting piece 106, the second inner supporting piece 107, the first outer supporting piece 108 and the second outer supporting piece 109 are disassembled and replaced without replacing the whole bearing, and the problem that in the prior art, the cost is too high due to replacement of the whole bearing due to abrasion of the surface of a groove is solved.

The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.

Claims

1. A wear-resistant bearing comprises an inner ring, an outer ring and a roller, wherein the inner ring is sleeved inside the outer ring, an inner groove is formed in the outer wall of the inner ring, an outer groove is formed in the inner wall of the outer ring, the inner groove and the outer groove are aligned along the radial direction of the inner ring, one side of the roller is located in the inner groove, the other side of the roller is located in the outer groove, the roller is respectively in rolling connection with the inner groove and the outer groove, the wear-resistant bearing is characterized in that a first inner supporting sheet and a second inner supporting sheet are detachably and fixedly connected in the inner groove, the first inner supporting sheet is semicircular, the central axis of the inner ring, the central axis of the outer ring, the central axis of the inner groove and the central axis of the outer groove are located on the same straight line, the second inner supporting sheet is semicircular, and the first inner supporting sheet is parallel to the inner wall of the inner groove, the inner supporting piece is parallel to the inner wall of the inner groove, the first inner supporting piece is tightly matched with the inner wall of the inner groove, the second inner supporting piece is tightly matched with the inner wall of the inner groove, the first inner supporting piece and the second inner supporting piece are respectively positioned on two sides of the central axis of the inner ring, the end face of the first inner supporting piece is abutted to the end face of the second inner supporting piece, the central axis of the first inner supporting piece and the central axis of the second inner supporting piece are positioned on the same straight line, the central axis of the first inner supporting piece and the central axis of the inner ring are positioned on the same straight line, the first inner supporting piece and the second inner supporting piece are elastic, the hardness of the first inner supporting piece and the hardness of the second inner supporting piece are larger than that of the inner ring, and one surface of the roller, which is far away from the outer groove, is in rolling connection with the inner wall of the first inner supporting piece or in rolling connection with the inner wall of the second inner supporting piece.

2. The wear-resistant bearing according to claim 1, wherein a first outer supporting piece and a second outer supporting piece are detachably and fixedly connected in the outer groove, the first outer supporting piece is semicircular, the second outer supporting piece is semicircular, the first outer supporting piece is parallel to the inner wall of the outer groove, the second outer supporting piece is parallel to the inner wall of the outer groove, the first outer supporting piece is tightly matched with the inner wall of the outer groove, the second outer supporting piece is tightly matched with the inner wall of the outer groove, the first outer supporting piece and the second outer supporting piece are respectively located on two sides of the central axis of the outer ring, the end face of the first outer supporting piece is abutted against the end face of the second outer supporting piece, the central axis of the first outer supporting piece and the central axis of the second outer supporting piece are located on the same straight line, and the central axes of the first outer supporting piece and the outer ring are located on the same straight line, the first outer supporting piece and the second outer supporting piece have elasticity, the hardness of the first outer supporting piece and the hardness of the second outer supporting piece are larger than that of the outer ring, and one surface, far away from the inner groove, of the roller is in rolling connection with the inner wall of the first outer supporting piece or in rolling connection with the inner wall of the second outer supporting piece.

3. A wear-resistant bearing in accordance with claim 2 wherein the inner groove has inner axial locating surfaces on opposite sides thereof, the inner axial locating surfaces being perpendicular to the central axis of the inner race, and the first inner support tab has opposite sides thereof respectively in press-fit engagement with the inner axial locating surfaces in a direction parallel to the central axis of the inner race.

4. A wear-resistant bearing in accordance with claim 3 wherein each of the second inner bearing web sides is in press fit with the inner axial locating surface in a direction parallel to the central axis of the inner race.

5. A wear-resistant bearing according to claim 4, wherein the outer groove is provided with outer axial positioning surfaces on two side edges, the outer axial positioning surfaces are perpendicular to the central axis of the outer ring, and the two side edges of the first outer supporting piece are respectively in press fit with the outer axial positioning surfaces along a direction parallel to the central axis of the outer ring.

6. A wear-resistant bearing in accordance with claim 5 wherein each of the second outer bearing tab sides is press fit against the outer axial locating surface in a direction parallel to the outer ring central axis.