CN214465588U

CN214465588U - Sliding bearing

Info

Publication number: CN214465588U
Application number: CN202022621841.8U
Authority: CN
Inventors: 任成明; 何云霄; 任亚利; 尹华文
Original assignee: NINGBO YINZHOU GUANGXIANG MACHINERY MANUFACTURINGCO Ltd
Current assignee: NINGBO YINZHOU GUANGXIANG MACHINERY MANUFACTURINGCO Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-22
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a sliding bearing, including axle bed and shaft cap, the upside at the axle bed is connected to the shaft cap, the inner wall is provided with upper bearing bush and lower bearing bush between axle bed and the shaft cap, upper bearing bush and lower bearing bush correspond concatenation from top to bottom, the surface middle part of upper bearing bush and lower bearing bush all sets up to the sphere, the surface of upper bearing bush even has first bearing liner, form first oil pocket between the surface of first bearing liner and upper bearing bush, upper bearing bush internal surface is connected with the second bearing liner, form the second oil pocket between second bearing liner and the upper bearing bush internal surface, the upper bearing bush body is provided with the through-hole, and the through-hole correspondence link up first oil pocket and second oil pocket. The utility model discloses in, form the oil pocket between upper and lower axle bush surface bearing liner and axle bush, link up each other between inside and outside oil pocket, realize the lubrication operation of axle bush both sides, establish to the sphere in the middle part of the axle bush surface, realize self aligning operation, avoid taking place the friction of axle edge, guarantee slide bearing's performance.

Description

Sliding bearing

Technical Field

The utility model relates to a slide bearing field especially relates to a slide bearing.

Background

The sliding bearing is a bearing which works under sliding friction, the sliding bearing works stably, reliably and noiselessly, under the condition of liquid lubrication, the sliding surface is separated by lubricating oil without direct contact, the friction loss and the surface abrasion can be greatly reduced, an oil film also has certain shock absorption capacity but larger starting friction resistance, the part of the shaft supported by the bearing is called a shaft neck, the part matched with the shaft neck is called a bearing bush, and an antifriction material layer cast on the inner surface of the bearing bush for improving the friction property of the surface of the bearing bush is called a bearing lining.

The inside axle bush of slide bearing is basic component structure, and in current slide bearing, the main friction of considering is between axle journal and the axle bush to set up the lubricated antifriction of oil pocket in the axle bush inboard, but neglected the relative friction between axle bush and the axle bed, lead to slide bearing's life generally on the low side, the axle journal produces the eccentric phenomenon of axle easily when the axle bush is inside to slide, can appear marginal wear, has seriously still appeared the condition of oil leak.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sliding bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sliding bearing comprises a shaft seat and a shaft cover, wherein the shaft cover is connected to the upper side of the shaft seat, an upper bearing bush and a lower bearing bush are arranged on the inner wall between the shaft seat and the shaft cover, the upper bearing bush and the lower bearing bush are correspondingly spliced up and down, the middle parts of the outer surfaces of the upper bearing bush and the lower bearing bush are both provided with spherical surfaces, the outer surface of the upper bearing bush is connected with a first bearing bush, the outer surface of the lower bearing bush is connected with a third bearing bush, a first oil chamber is formed between the first bearing bush and the outer surface of the upper bearing bush and between the third bearing bush and the outer surface of the lower bearing bush, the inner surface of the upper bearing bush is connected with a second bearing bush, the inner surface of the lower bearing bush is connected with a fourth bearing bush, and a second oil chamber is formed between the second bearing bush and the inner surface of the upper bearing bush, and through holes are formed in the bush bodies of the upper bearing bush and the lower bearing bush and correspondingly penetrate through the first oil chamber and the second oil chamber.

As a further description of the above technical solution:

the shaft cover and the shaft seat are correspondingly arranged up and down, the middle positions of the shaft seat and the shaft cover are both arranged to be semi-ring type, and two sides of the butt joint surface of the shaft seat and the shaft cover are bolted through bolts.

As a further description of the above technical solution:

the whole outer surfaces of the upper bearing bush and the lower bearing bush are attached to the whole inner surfaces of the shaft seat and the shaft cover, the middle position of the whole inner surface formed by the shaft seat and the shaft cover is provided with an aligning groove, and the aligning groove corresponds to the middle spherical surface of the whole outer surfaces of the upper bearing bush and the lower bearing bush.

As a further description of the above technical solution:

the first oil cavity is correspondingly located in the middle of the outer surface of the upper bearing bush, the first oil cavity is located in the range of the spherical surface of the middle of the outer surface of the upper bearing bush, an oil filling hole penetrates through the middle of the upper surface of the shaft cover, and the oil filling hole correspondingly penetrates through the first oil cavity.

As a further description of the above technical solution:

the second oil chamber is correspondingly positioned in the middle of the inner surfaces of the upper bearing bush and the lower bearing bush, a plurality of through holes are formed in the upper bearing bush body and the lower bearing bush body in a penetrating mode along the circumference, and two ends of each through hole penetrate through the first oil chamber and the second oil chamber.

As a further description of the above technical solution:

the cavity body covering area of the second oil cavity is larger than that of the first oil cavity.

As a further description of the above technical solution:

the structure of the lower bearing bush is the same as that of the upper bearing bush in a vertical correspondence manner.

The utility model discloses following beneficial effect has:

1. the utility model relates to an among the slide bearing, the interior external surface of upper bearing shell and lower bearing shell all is provided with the bearing liner and realizes corresponding antifriction, all forms the oil pocket between the interior external surface of bearing liner and axle bush, and link up each other between the interior external surface oil pocket, can realize the lubricated operation of axle bush both sides, guarantees slide bearing sliding friction power minimizing, and axle bush surface middle part position sets up to the sphere, can realize self aligning operation at the slip in-process, avoids taking place the edge friction of axle, guarantees slide bearing's performance.

2. The utility model relates to an among the slide bearing, the integral bearing is formed by axle bed and the equipment of shaft cap, and inside axle bush also corresponds and sets up to two halves, can realize simple and convenient installation and dismantle, uses the limitation lower, and the applicable face is extensive.

Drawings

FIG. 1 is a side sectional view of a sliding bearing;

FIG. 2 is a front view of a plain bearing;

fig. 3 is a side sectional view of an upper bearing shell of a sliding bearing.

Illustration of the drawings:

1. a shaft seat; 2. a shaft cover; 3. a bolt; 4. an upper bearing bush; 5. a lower bearing bush; 6. an oil filler hole; 7. a first oil chamber; 8. a second oil chamber; 9. a through hole; 10. a first bearing liner; 11. a second bearing liner; 12. an aligning groove; 13. a third bearing liner; 14. and a fourth bearing liner.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a sliding bearing comprises a shaft seat 1 and a shaft cover 2, a splicing type bearing structure is provided, convenience is brought to installation and maintenance, the shaft cover 2 is connected to the upper side of the shaft seat 1, an upper bearing bush 4 and a lower bearing bush 5 are arranged on the inner wall between the shaft seat 1 and the shaft cover 2, the bearing bushes are correspondingly spliced, convenience is brought to installation and maintenance, the upper bearing bush 4 and the lower bearing bush 5 are correspondingly spliced up and down, the middle parts of the outer surfaces of the upper bearing bush 4 and the lower bearing bush 5 are both arranged to be spherical surfaces, a premise is provided for aligning, a first bearing bush 10 is connected to the outer surface of the upper bearing bush 4, a third bearing bush 13 is connected to the outer surface of the lower bearing bush 5, outer surface antifriction is realized, a first oil cavity 7 is formed between the outer surfaces of the first bearing bush 10 and the upper bearing bush 4 and between the outer surfaces of the third bearing bush 13 and the lower bearing bush 5 together, an oil body lubricating position is provided, a second bearing bush 11 is connected to the inner surface of the upper bearing bush 4, the inner surface of the lower bearing bush 5 is connected with a fourth bearing bush 14 to realize inner surface antifriction, a second oil cavity 8 is formed between the second bearing bush 11 and the inner surface of the upper bearing bush 4 and between the fourth bearing bush 14 and the inner surface of the lower bearing bush 5 together to provide an oil body lubricating position, a through hole 9 is formed in the bush body of the upper bearing bush 4 to realize corresponding through of the oil cavities, and the through hole 9 correspondingly penetrates through the first oil cavity 7 and the second oil cavity 8.

The shaft cover 2 and the shaft seat 1 are correspondingly arranged up and down, the middle positions of the shaft seat 1 and the shaft cover 2 are both arranged in a semi-ring mode, two sides of the butt joint surface of the shaft seat 1 and the shaft cover 2 are bolted through bolts 3, corresponding mounting and dismounting operations can be realized through the dismounting and mounting of the bolts 3, the whole outer surfaces of the upper bearing bush 4 and the lower bearing bush 5 are attached to the whole inner surfaces of the shaft seat 1 and the shaft cover 2, a centering groove 12 is arranged in the middle position of the whole inner surface formed by the shaft seat 1 and the shaft cover 2 to provide a centering position, the centering groove 12 corresponds to the middle spherical surface of the whole outer surface of the upper bearing bush 4 and the lower bearing bush 5 to realize corresponding centering operation, the first oil cavity 7 is correspondingly positioned in the middle position of the outer surface of the upper bearing bush 4, the first oil cavity 7 is positioned in the middle spherical surface range of the outer surface of the upper bearing bush 4 to ensure an effective lubricating area, an oil injection hole 6 is arranged in the middle part of the upper surface of the shaft cover 2 in a penetrating way, an oil injection position is provided, the oil injection hole 6 is correspondingly communicated with the inside of the first oil cavity 7, the second oil cavity 8 is correspondingly positioned in the middle positions of the inner surfaces of the upper bearing bush 4 and the lower bearing bush 5, the through holes 9 are formed in the upper bearing bush 4 and the lower bearing bush 5 in a penetrating mode along the circumference, the free flow of oil bodies in the first oil cavity 7 and the second oil cavity 8 is guaranteed, the two ends of each through hole 9 are communicated with the inside of the first oil cavity 7 and the second oil cavity 8, the cavity coverage area of the second oil cavity 8 is larger than that of the first oil cavity 7, the inner side lubricating effect is guaranteed, the structure of the lower bearing bush 5 is vertically corresponding to the structure of the upper bearing bush 4, and the upper structure and the lower structure are guaranteed to be corresponding.

The working principle is as follows: in a sliding bearing, the inside and outside surface of upper bearing shell 4 and lower bearing shell 5 all is provided with the bearing bush and realizes corresponding antifriction, all form the oil pocket between bearing bush and the inside and outside surface of bearing bush, and link up each other between the inside and outside oil pocket, can realize the lubricated operation of axle bush both sides, guarantee sliding bearing sliding friction power minimizing, axle bush surface middle part position sets up to the sphere, can realize self from the alignment work of self in the slip process, avoid taking place the marginal friction of axle, guarantee sliding bearing's performance, the integral bearing is assembled by axle bed 1 and shaft cover 2 and is formed, inside axle bush also corresponds to set up to two halves, can realize simple and convenient installation and disassembly, the use limitation is lower, the application scope is extensive.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A sliding bearing comprises a shaft seat (1) and a shaft cover (2), and is characterized in that: the bearing comprises a shaft cover (2), an upper bearing bush (4) and a lower bearing bush (5) are arranged on the inner wall between the shaft cover (1) and the shaft cover (2), the upper bearing bush (4) and the lower bearing bush (5) are correspondingly spliced up and down, the middle parts of the outer surfaces of the upper bearing bush (4) and the lower bearing bush (5) are both arranged to be spherical surfaces, a first bearing bush (10) is connected to the outer surface of the upper bearing bush (4), a third bearing bush (13) is connected to the outer surface of the lower bearing bush (5), a first oil cavity (7) is formed between the outer surfaces of the first bearing bush (10) and the upper bearing bush (4) and between the outer surfaces of the third bearing bush (13) and the lower bearing bush (5), a second bearing bush (11) is connected to the inner surface of the upper bearing bush (4), a fourth bearing bush (14) is connected to the inner surface of the lower bearing bush (5), and a second oil chamber (8) is formed between the second bearing bush (11) and the inner surface of the upper bearing bush (4) and between the fourth bearing bush (14) and the inner surface of the lower bearing bush (5), through holes (9) are formed in the bush bodies of the upper bearing bush (4) and the lower bearing bush (5), and the through holes (9) correspondingly penetrate through the first oil chamber (7) and the second oil chamber (8).

2. A plain bearing according to claim 1, wherein: the shaft cover (2) and the shaft seat (1) are arranged up and down correspondingly, the middle positions of the shaft seat (1) and the shaft cover (2) are all arranged to be semi-ring type, and two sides of the butt joint surface of the shaft seat (1) and the shaft cover (2) are bolted through bolts (3).

3. A plain bearing according to claim 1, wherein: the whole outer surface of the upper bearing bush (4) and the lower bearing bush (5) is attached to the whole inner surface of the shaft seat (1) and the shaft cover (2), the middle position of the inner surface of the shaft seat (1) and the shaft cover (2) which form a whole is provided with a centering groove (12), and the centering groove (12) corresponds to the middle spherical surface of the whole outer surface of the upper bearing bush (4) and the lower bearing bush (5).

4. A plain bearing according to claim 1, wherein: the first oil cavity (7) is correspondingly located in the middle of the outer surface of the upper bearing bush (4), the first oil cavity (7) is located in the range of the spherical surface of the middle of the outer surface of the upper bearing bush (4), an oil filling hole (6) penetrates through the middle of the upper surface of the shaft cover (2), and the oil filling hole (6) correspondingly penetrates through the first oil cavity (7).

5. A plain bearing according to claim 1, wherein: the second oil chamber (8) is correspondingly located in the middle of the inner surfaces of the upper bearing bush (4) and the lower bearing bush (5), the through holes (9) penetrate through the upper bearing bush (4) and the lower bearing bush (5) along the circumference, and the two ends of each through hole (9) penetrate through the first oil chamber (7) and the second oil chamber (8).

6. A plain bearing according to claim 1, wherein: the cavity body covering area of the second oil cavity (8) is larger than that of the first oil cavity (7).