CN212959518U

CN212959518U - Radial sliding bearing

Info

Publication number: CN212959518U
Application number: CN202021810118.8U
Authority: CN
Inventors: 程俊锋; 屠丹红; 常琦
Original assignee: China Shipbuilding Power Engineering Institute Co Ltd
Current assignee: China Shipbuilding Power Engineering Institute Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-13
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a drive bearing technical field specifically discloses a radial sliding bearing. The sliding bearing comprises a first bearing frame, a second bearing frame, a first bearing bush and a second bearing bush. The second bearing frame is detachably arranged on the first bearing frame, and a bearing frame groove is formed in the second bearing frame. The first bearing bush is detachably mounted on the first bearing frame. The second bearing bush is provided with a first positioning bulge, and the first positioning bulge is arranged in the bearing frame groove in a sliding manner, so that the second bearing bush is arranged on the end surface of the second bearing frame in a sliding manner; and two ends of the second bearing bush are respectively abutted with two ends of the first bearing bush. The utility model provides a radial sliding bearing has simplified the operating procedure of first axle bush and second axle bush dismouting process, has also improved work efficiency when reducing operating personnel amount of labour.

Description

Radial sliding bearing

Technical Field

The utility model relates to a drive bearing technical field especially relates to a radial sliding bearing.

Background

The thrust bearing of the diesel engine is used as an important part for bearing the axial force of the diesel engine and bears severe working conditions, so that the thrust bearing of the diesel engine is easy to damage and needs to be replaced frequently.

At present, the thrust bearing of the diesel engine is arranged by adopting a method of connecting a bearing bush on a machine body by screw threads.

The assembly method causes inconvenience in the disassembly and assembly process, requires a large amount of labor of operators, and is low in working efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radial slide bearing to solve the problem of axle bush dismouting difficulty.

To achieve the purpose, the utility model adopts the following technical proposal:

a radial sliding bearing comprises a first bearing frame, a second bearing frame, a first bearing bush and a second bearing bush. The second bearing frame is detachably mounted on the first bearing frame, and a bearing frame groove is formed in the end face of the second bearing frame. The first bearing bush is detachably mounted on the end face of the first bearing frame. The second bearing bush is provided with a first positioning bulge, the first positioning bulge is arranged in the bearing frame groove in a sliding mode, and two ends of the second bearing bush are respectively abutted to two ends of the first bearing bush.

The first bearing bush is provided with a plurality of positioning holes, and screws penetrate through the positioning holes and are in threaded connection with the first bearing frame.

Preferably, an oil groove is arranged on one side of the first bearing block, which is axially far away from the first bearing frame.

Preferably, an oil groove is formed in one side of the second bearing bush axially far away from the second bearing frame.

Further, the oil groove is oblique oil groove, oblique oil groove from radial inboard to radial outside shrink gradually.

Preferably, the first bearing bush is provided with a second positioning protrusion, and the second positioning protrusion can be slidably arranged in the bearing frame groove.

Preferably, two ends of one side of the first bearing bush, which is axially far away from the first bearing frame, are respectively provided with a first inclined surface, and the first inclined surfaces are arranged from the surface of the first bearing bush to the end surface of the first bearing bush in a downward inclined manner.

Preferably, two ends of one side of the second bearing bush, which is axially far away from the second bearing frame, are respectively provided with a second inclined surface, and the second inclined surfaces are arranged from the surface of the second bearing bush to the end surface of the second bearing bush in a downward inclined manner.

Preferably, the inner side of the first bearing shell is provided with a wear-resistant layer.

Preferably, the inner side of the second bearing shell is provided with a wear resistant layer.

The utility model has the advantages that:

the second bearing shell is rotated such that the second bearing shell is slidably mounted on the second bearing frame, and then the second bearing shell is positioned in a mounting position by fixedly mounting the first bearing shell. Therefore, the operation steps of the first bearing bush and the second bearing bush dismounting and mounting procedures are simplified, and the working efficiency is improved while the labor capacity of operators is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a radial sliding bearing according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at plane A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a first bearing shell according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second bearing shoe according to an embodiment of the present invention.

In the figure:

1. a first bearing shell; 11. a second positioning projection; 12. a first inclined plane; 13. positioning holes;

2. a second bearing shell; 21. a first positioning projection; 22. a second inclined plane; 3. a first bearing frame; 4. a second bearing frame; 41. a bearing housing groove; 5. a screw; 6. and the inclined oil groove.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment provides a radial sliding bearing including a first bearing bracket 3, a second bearing bracket 4, a first bearing shell 1, and a second bearing shell 2. The second bearing frame 4 is detachably mounted on the first bearing frame 3, and a bearing frame groove 41 is formed in the end face of the second bearing frame 4. The first bearing bush 1 is detachably mounted on the end face of the first bearing bracket 3. The second bearing bush 2 is provided with a first positioning bulge 21, the first positioning bulge 21 is slidably arranged in the bearing frame groove 41, and two ends of the second bearing bush 2 are respectively abutted against two ends of the first bearing bush 1. The second bearing shell 2 is rotated such that the second bearing shell 2 is slidably mounted on the second bearing frame 4, and then the second bearing shell 2 is positioned at the mounting position by fixedly mounting the first bearing shell 1. Therefore, the operation steps of the disassembling and assembling procedures of the first bearing bush 1 and the second bearing bush 2 are simplified, the labor amount of operators is reduced, and meanwhile, the working efficiency is improved.

The first bearing bush 1 is provided with a plurality of positioning holes 13, and the screws 5 penetrate through the positioning holes 13 and are in threaded connection with the first bearing frame 3. The arrangement of the screw 5 enables the first bearing bush 1 to be detachably mounted on the first bearing frame 3, and indirectly ensures that the second bearing bush 2 can be positioned and mounted on the second bearing frame 4.

In the present embodiment, an oil groove is provided on a side of the first bearing shell 1 axially distant from the first bearing bracket 3. An oil groove is arranged on one side of the second bearing bush 2 which is far away from the second bearing frame 4 in the axial direction. The setting of oil groove makes lubricating oil can flow to the working face on, promotes the lubricating property and the life of bearing.

Further, the oil groove is an inclined oil groove 6 which gradually shrinks from the radial inner side to the radial outer side. The inclined oil groove 6 is arranged so that the lubricating oil is forced to be tightened in the flowing process, and the lubricating oil is forced to flow to the bearing working surface more. Further improving the lubricating performance and the service life of the bearing.

Preferably, the first bearing shell 1 is provided with a second positioning protrusion 11, and the second positioning protrusion 11 is slidably disposed in the bearing bracket groove 41. The second positioning protrusion 11 and the first positioning protrusion 21 have the same structure and arrangement position, which allows the installation positions of the first bearing shell 1 and the second bearing shell 2 to be interchangeable, and the first bearing shell 1 can be installed on the second bearing frame 4.

In the present embodiment, the end surfaces of the first bearing frame 3 and the second bearing frame 4 are provided with grooves, the side walls of the grooves of the second bearing frame 4 are provided with bearing frame grooves 41, and the first positioning protrusions 21 are arranged on the outer side of the second bearing shoe 2. The width of the groove of the first bearing frame 3 is greater than the width of the groove of the second bearing frame 4 so as to avoid the first positioning protrusion 21 on the second bearing bush 2, so that the second bearing bush 2 can be installed in the groove, and the subsequent operation of rotating the second bearing bush 2 and movably installing the second bearing bush 2 on the second bearing frame 4 can be realized. In order to make the mounting positions of the first bearing shell 1 and the second bearing shell 2 interchangeable, the second positioning projection 11 is arranged outside the first bearing shell 1.

In this embodiment, the two ends of the first bearing shell 1, which are axially far away from the first bearing bracket 3, are respectively provided with a first inclined surface 12, and the first inclined surfaces 12 are arranged from the surface of the first bearing shell 1 to the end surface of the first bearing shell 1 in a downward inclination manner. Two ends of the second bearing bush 2, which are far away from the second bearing frame 4 in the axial direction, are respectively provided with a second inclined surface 22, and the second inclined surfaces 22 are arranged from the surface of the second bearing bush 2 to the end surface of the second bearing bush 2 in a downward inclined mode. The first inclined surface 12 and the second inclined surface 22 are arranged to facilitate the mounting, dismounting and positioning of the first bearing shell 1 and the second bearing shell 2 on the second bearing frame 4, respectively. Meanwhile, the first inclined surface 12 and the second inclined surface 22 can also function as an oil groove when being spliced together.

The inner side of the first bearing bush 1 is provided with a wear-resistant layer, and the inner side of the second bearing bush 2 is provided with a wear-resistant layer. The arrangement of the wear-resistant layer improves the service life of the first bearing bush 1 and the second bearing bush 2, and reduces the maintenance frequency.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A radial sliding bearing, characterized by comprising:

a first bearing bracket (3);

the second bearing frame (4) is detachably mounted on the first bearing frame (3), and a bearing frame groove (41) is formed in the end face of the second bearing frame (4);

the first bearing bush (1) is detachably mounted on the end face of the first bearing frame (3);

the bearing support comprises a second bearing bush (2), wherein a first positioning bulge (21) is arranged on the second bearing bush (2), the first positioning bulge (21) is arranged in a bearing support groove (41) in a sliding mode, and two ends of the second bearing bush (2) are respectively abutted to two ends of the first bearing bush (1).

2. The radial sliding bearing according to claim 1, characterized in that the first bearing shell (1) is provided with a plurality of positioning holes (13), and a screw (5) is inserted through the positioning holes (13) and is in threaded connection with the first bearing bracket (3).

3. A radial slide bearing according to claim 1, characterized in that the first bearing shell (1) is provided with an oil groove on the side axially remote from the first bearing carrier (3).

4. A radial slide bearing according to claim 1, characterized in that the side of the second bearing shell (2) axially remote from the second bearing bracket (4) is provided with oil grooves.

5. A radial slide bearing according to claim 3 or 4, characterized in that the oil groove is a sloping oil groove (6), which sloping oil groove (6) tapers from a radially inner side to a radially outer side.

6. A radial slide bearing according to claim 1, wherein the first bearing shell (1) is provided with a second locating projection (11), the second locating projection (11) being slidably arranged in the bearing housing groove (41).

7. The radial plain bearing according to claim 1, characterized in that the first bearing shell (1) is provided with a first inclined surface (12) at each of its two ends on the side axially away from the first bearing bracket (3), and the first inclined surface (12) is arranged to be inclined downwards from the surface of the first bearing shell (1) to the end surface of the first bearing shell (1).

8. The radial slide bearing according to claim 1, characterized in that both ends of the second bearing shell (2) on the side axially remote from the second bearing bracket (4) are respectively provided with a second inclined surface (22), and the second inclined surfaces (22) are arranged from the surface of the second bearing shell (2) to the end surface of the second bearing shell (2) in a downward inclination.

9. A radial slide bearing according to claim 1, characterized in that the inner side of the first bearing shell (1) is provided with a wear resistant layer.

10. A radial slide bearing according to claim 1, characterized in that the inner side of the second bearing shell (2) is provided with a wear layer.