CN213598420U

CN213598420U - Lubricated frock of slide bearing axle bush

Info

Publication number: CN213598420U
Application number: CN202022713715.5U
Authority: CN
Inventors: 邱浩峰; 朴日淳; 孙佳
Original assignee: Jilin Tobacco Industrial Co Ltd
Current assignee: Jilin Tobacco Industrial Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-02
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a lubricated frock of slide bearing axle bush, including the axle bush body, the first oil filler point that runs through its thickness direction is seted up to the axle bush body, the oil groove that can supply the lubricating oil diffusion that flows is seted up to the inner wall of axle bush body, first oil filler point is located in the oil groove. The utility model provides a lubricated frock of slide bearing axle bush can make lubricating oil form the oil film between axle bush body and shaft diameter, reduces the friction between axle bush body and the pivot, and the noise reduction improves axle bush body and slide bearing's life.

Description

Lubricated frock of slide bearing axle bush

Technical Field

The utility model relates to a bearing assembly technical field, in particular to lubricated frock of slide bearing axle bush.

Background

The equipment lubrication is an effective way for prolonging the service life of the equipment and reducing the failure rate of the equipment. When the sliding bearing works, the phenomenon of poor lubricating effect often appears. Due to the structural design defect, the lubrication inside the bearing bush is uneven, the lubrication effect is poor, and whether the lubricating oil in the oil cup enters the inside of the bearing bush cannot be determined; a complete oil film is difficult to form between the bearing bush and the shaft diameter, so that boundary friction exists between the bearing bush and the shaft diameter during working, and even dry friction occurs in severe cases, and abnormal sound is generated. Thereby causing a series of problems such as a reduction in the life of the sliding bearing.

Therefore, how to improve the structure of the sliding bearing bush and the lubricating oil injection mode, improving the lubricating effect and prolonging the service life of the bush becomes the technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lubricated frock of slide bearing axle bush, this frock can make lubricating oil form the oil film between axle bush body and shaft diameter, reduces the friction between axle bush body and the pivot, and the noise reduction improves axle bush body and slide bearing's life.

In order to achieve the above object, the utility model provides a lubricated frock of slide bearing axle bush, including the axle bush body, the first oil filler point that runs through its thickness direction is seted up to the axle bush body, the oil groove that can supply the lubricating oil diffusion that flows is seted up to the inner wall of axle bush body, first oil filler point is located in the oil groove.

Optionally, the oil groove includes a plurality of annular grooves that extend along the circumference of the bearing shell body and are alternately arranged along the axial direction of the bearing shell body and a diversion trench that communicates the adjacent annular grooves, and the first oil filler point is located in the annular groove.

Optionally, the diversion trench is an S-shaped bending trench.

Optionally, the diversion groove is a linear groove parallel to the axial direction of the bearing shell body.

Optionally, the axial spacing of adjacent annular grooves is equal.

Optionally, the periphery of the bearing bush body is provided with a sliding bearing seat, the sliding bearing seat is provided with a second oil filler hole aligned with the first oil filler hole, and the diameter of the second oil filler hole is larger than that of the first oil filler hole.

Optionally, the oil injection device is arranged through the second oil injection hole and the first oil injection hole and comprises an oil injection nozzle and an oil injection pipe connected with the oil injection nozzle;

the tail end of the oil filling pipe extends into the annular groove, and the peripheral part of the oil filling pipe is provided with a limiting part which is matched with the second oil filling hole and is clamped on the outer side of the first oil filling hole.

Optionally, the tail end of the oil filling nozzle is provided with an oil outlet section, and the oil outlet section extends into the oil filling pipe and is screwed with the oil filling pipe through threads.

Compared with the prior art, the utility model provides a lubricated frock of slide bearing includes the axle bush body, through set up first oil filler point at the axle bush body and set up the oil groove at axle bush body inner wall, through when to first oil filler point filling lubricating oil, lubricating oil flows the diffusion along the oil groove after getting into axle bush body inner wall, avoid the not in-place wearing and tearing axle bush body of lubricating oil filling, the setting of above-mentioned oil groove helps lubricating oil filling to target in place, form the oil film between bearing and axle bush body inner wall when the high-speed rotation of bearing, reduce friction, improve axle bush body and slide bearing's life.

Drawings

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

Fig. 1 is an assembly schematic view of a sliding bearing bush lubrication tool provided in an embodiment of the present invention;

FIG. 2 is a schematic view of the inner wall of the bushing body of FIG. 1;

FIG. 3 is a schematic view of the oil injection apparatus of FIG. 1;

FIG. 4 is a block diagram of the fuel injector of FIG. 3;

fig. 5 is a block diagram of the oil injection line of fig. 3.

Wherein:

1-oil injection nozzle, 11-oil outlet section, 2-oil injection pipe, 21-limiting part, 3-sliding bearing seat, 4-bearing bush body, 41-first oil injection hole, 42-annular groove and 43-diversion groove.

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 order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 5, fig. 1 is an assembly schematic view of a sliding bearing bush lubrication tool according to an embodiment of the present invention, fig. 2 is a structural view of an inner wall of a bush body in fig. 1, fig. 3 is a schematic view of an oil injection device in fig. 1, fig. 4 is a structural view of an oil injection nozzle in fig. 3, and fig. 5 is a structural view of an oil injection pipeline in fig. 3.

The utility model provides a lubricated frock of slide bearing axle bush includes axle bush body 4, and first oil filler point 41 is seted up to axle bush body 4, and first oil filler point 41 runs through axle bush body 4 along the thickness direction of axle bush body 4 to in pour into lubricating oil into the inner wall of axle bush body 4. In addition, the oil groove has still been seted up to the inner wall of axle bush body 4, and the one end setting that first oil filler point 41 is located axle bush body 4 inner wall is in the oil groove, so, lubricating oil that pours into in axle bush body 4 through first oil filler point 41 can get into the oil groove in and evenly carry to the different positions of axle bush body 4 through the oil groove for the pivot forms the oil film when high-speed rotation, reduces the friction between axle bush body 4 and the pivot, prolongs the life of axle bush body 4.

In a specific embodiment provided by the present invention, the bearing bush body 4 is configured as shown in fig. 1 and fig. 2, the bearing bush body 4 includes an upper bearing bush and a lower bearing bush, and the bearing bush body 4 provided by the present embodiment is only described by way of example of the configuration of the upper bearing bush. The first oil filling hole 41 is provided on the upper bearing shell of the bearing shell body 4, and the oil groove provided on the bearing shell body 4 comprises a plurality of parallel and spaced annular grooves 42 and a diversion groove 43 communicated with the adjacent annular grooves 42. The annular grooves 42 extend along the circumferential direction of the bearing bush body 4, and the plurality of annular grooves 42 are evenly arranged at intervals along the axial direction of the bearing bush body 4. The annular grooves 42 of the upper bearing bush and the lower bearing bush are semicircular and arranged in a one-to-one correspondence manner, the upper bearing bush and the lower bearing bush are spliced to form a complete annular groove 42, the lower bearing bush is not provided with the first oil injection hole 41 generally, and the diversion trench 43 of the lower bearing bush can be provided as required.

The first oil filler hole 41 is located in an annular groove 42 provided centrally in the axial direction of the bearing shell body 4, so that the lubricating oil can be uniformly distributed toward both ends of the bearing shell body 4 after being clamped by the first oil filler hole 41. The guide groove 43 may be provided not only as an S-shaped bent groove as shown in fig. 2, but also as a straight groove or a groove bent in another shape as long as it can guide the lubricant oil in the annular groove 42 connected to the first filler point 41 to the adjacent annular groove 42.

Referring to fig. 1 and fig. 3 to 5, a sliding bearing seat 3 for supporting and fixing the bearing shell body 4 is disposed on an outer circumferential portion of the bearing shell body 4, and the sliding bearing seat 3 may be disposed in a conventional sliding bearing seat. In addition, the sliding bearing block 3 is provided with a second oil injection hole, which is aligned with the first oil injection hole 41, that is, the axis of the second oil injection hole coincides with the axis of the first oil injection hole 41, so that the lubricating oil can be injected into the annular groove 42 through the second oil injection hole and the first oil injection hole 41 by the oil injection device. The diameter of the second oil filler hole is set larger than that of the first oil filler hole 41 so as to position and fix the oil filler device by the second oil filler hole.

In order to ensure that lubricating oil is filled in place, the oiling device comprises an oiling nozzle 1 and an oiling pipe 2 connected with the oiling nozzle 1, the oiling pipe 2 is used for sequentially passing through a second oiling hole, a first oiling hole 41 extends into an annular groove 42, a convex limiting part 21 is arranged on the periphery of the oiling pipe 2, the diameter of the limiting part 21 is equal to that of the second oiling hole and is larger than that of the first oiling hole 41, therefore, the limiting part 21 is clamped on the outer side of the first oiling hole 41 to realize positioning, and the tail end of the oiling pipe 2 is ensured to just stretch into the annular groove 42 and not protrude out of the annular groove 42.

The oil injection nozzle 1 is provided with an oil inlet nozzle for connecting a pressure oil conveying device and an oil outlet section 11 communicated with the oil inlet nozzle. The outer wall of the oil outlet section 11 is provided with an external thread, one end of the oil outlet section 11 connected with the oil injection pipe 2 is provided with an internal thread, the oil outlet section 11 of the oil injection nozzle 1 is inserted into the oil injection pipe 2 and is screwed and fixed through the threads, pressure oil is directly injected into the annular groove 42 through the oil injection nozzle 1 and the oil injection pipe 2, compared with the traditional method, the lubricating oil is injected by virtue of an oil cup, the lubricating oil possibly leaks between the bearing bush and the sliding bearing seat 3, the lubricating oil is ensured to be injected into the annular groove 42 by virtue of the arrangement of the oil injection pipe 2, the lubricating oil quantity on the inner wall of the bearing bush body 4 is ensured, the uniform oil film is favorably formed on the inner wall of the bearing bush body 4, the abrasion of the bearing bush body; meanwhile, the formation of the oil film can reduce friction noise and improve the working environment.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a lubricated frock of slide bearing axle bush has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a lubricated frock of slide bearing axle bush, its characterized in that includes axle bush body (4), first oil filler point (41) that runs through its thickness direction is seted up in axle bush body (4), the oil groove that can supply lubricating oil flow to spread is seted up to the inner wall of axle bush body (4), first oil filler point (41) are located in the oil groove.

2. The slide bearing shell lubrication tooling according to claim 1, wherein the oil groove comprises a plurality of annular grooves (42) which extend along the circumferential direction of the bearing shell body (4) and are arranged at intervals along the axial direction of the bearing shell body (4), and a diversion groove (43) which is communicated with the adjacent annular grooves (42), and the first oil filling hole (41) is positioned in the annular groove (42).

3. A plain bearing bushing lubrication fixture according to claim 2, characterized in that the guiding grooves (43) are S-shaped bending grooves.

4. A plain bearing bushing lubrication fixture according to claim 2, characterized in that the guiding groove (43) is a linear groove parallel to the axial direction of the bushing body (4).

5. A plain bearing bushing lubrication fixture according to claim 2, characterized in that the axial spacing of adjacent annular grooves (42) is equal.

6. A plain bearing shell lubrication fixture according to any one of claims 2 to 5, characterised in that the shell body (4) is provided at its periphery with a sliding bearing seat (3), the sliding bearing seat (3) being provided with a second oil filler hole aligned with the first oil filler hole (41), and the second oil filler hole having a diameter greater than the diameter of the first oil filler hole (41).

7. The lubrication tooling for the bearing shell of the sliding bearing according to claim 6, further comprising an oil injection device arranged through the second oil injection hole and the first oil injection hole (41), wherein the oil injection device comprises an oil injection nozzle (1) and an oil injection pipe (2) connected with the oil injection nozzle (1);

the tail end of the oil filling pipe (2) extends into the annular groove (42), and the periphery of the oil filling pipe (2) is provided with a limiting part (21) which is matched with the second oil filling hole and clamped at the outer side of the first oil filling hole (41).

8. The lubrication tooling for the bearing bush of the sliding bearing according to claim 7, characterized in that the tail end of the oil injection nozzle (1) is provided with an oil outlet section (11), and the oil outlet section (11) extends into the oil injection pipe (2) and is screwed with the oil injection pipe (2) through threads.