CN219242456U - High wear-resistant sliding bearing - Google Patents

Abstract

The application relates to a high wear-resistant sliding bearing, which is applied to the field of sliding bearings. The bearing pedestal comprises a base and a bearing pedestal assembly, wherein the bearing pedestal assembly is fixed on the base, and a bearing bush assembly for inserting a rotating shaft is sleeved in the bearing pedestal assembly, and the bearing pedestal is characterized in that: a lubrication assembly is arranged between the bearing bush assembly and the bearing seat assembly, the lubrication assembly comprises a plurality of first lubrication ribs and a plurality of second lubrication ribs, the first lubrication ribs are arranged on the bearing seat assembly and uniformly distributed on the bearing seat assembly along the circumferential direction of the bearing seat assembly and are in contact with the bearing bush assembly, and the second lubrication ribs are arranged on the bearing bush assembly and uniformly distributed along the circumferential direction of the bearing bush assembly; the second lubrication ribs are in contact with the bearing seat assembly, the second lubrication ribs are distributed at intervals with the first lubrication ribs, gaps are arranged between the first lubrication ribs and the second lubrication ribs, and lubricating oil is filled in the gaps. The sliding bearing has the effect of prolonging the single service life of the sliding bearing.

Description

High wear-resistant sliding bearing

Technical Field

The present application relates to the field of sliding bearings, and in particular to high wear resistant sliding bearings.

Background

The sliding bearing is a bearing commonly used in metal bearings and is an important part commonly used in mechanical equipment. The device is mainly used for supporting the mechanical rotating body to realize stable rotation. The sliding bearing is generally composed of a bearing seat and a bearing bush, the rotating shaft is inserted into the bearing bush to drive the bearing bush to rotate, lubricating oil is generally filled between the bearing bush and the bearing seat, and lubrication between the bearing bush and the bearing seat is realized through an oil film formed by the lubricating oil. The friction force generated during use is larger, the wear resistance is poor, and the service life is short.

A related art sliding bearing with high wear resistance (for example, a sliding bearing with high wear resistance of CN 211525341U) is disclosed in the patent of 2020.9.18, which is based on a general sliding bearing, the middle rotating column can be positioned through the connecting groove on the outer connecting ring, and the sliding effect is better through rolling connection between the rotating steel ball and the inner sliding connecting pipe, so that the friction force of the inner sliding connecting pipe can be reduced, and the wear resistance of the bearing is higher.

With respect to the related art in the above, the inventors found that there are the following drawbacks: because the gap between the bearing bush and the bearing seat is small, the oil film is thinner, so that the lubricating oil needs to be continuously filled for maintenance along with the consumption of the oil film in the use process, the time interval for filling the lubricating oil twice is short, and the single service life (the time interval between the two lubricating oil filling times is called as the single service life) is still short.

Disclosure of Invention

In order to solve the problem of short single-use life of the sliding bearing, the application provides a high-wear-resistance sliding bearing.

The application provides a high wear-resisting slide bearing adopts following technical scheme:

the high wear-resistant sliding bearing comprises a base and a bearing seat assembly, wherein the bearing seat assembly is fixed on the base, a bearing bush assembly used for inserting a rotating shaft is sleeved in the bearing seat assembly, a lubrication assembly is arranged between the bearing bush assembly and the bearing seat assembly, the lubrication assembly comprises a plurality of first lubrication ribs and a plurality of second lubrication ribs, the first lubrication ribs are arranged on the bearing seat assembly and uniformly distributed on the bearing seat assembly along the circumferential direction of the bearing seat assembly and contacted with the bearing bush assembly, and the second lubrication ribs are arranged on the bearing bush assembly and uniformly distributed along the circumferential direction of the bearing bush assembly;

the second lubrication ridge is in contact with the bearing seat assembly, the second lubrication ridge and the first lubrication ridge are distributed at intervals, a gap is formed between the first lubrication ridge and the second lubrication ridge, and lubricating oil is filled in the gap.

Through adopting above-mentioned technical scheme, when the bearing inserts between the axle bush subassembly and rotates, deposit more lubricating oil in the clearance between first lubricated protruding stupefied and the second lubricated protruding stupefied and the original clearance between axle bush subassembly and the bearing frame subassembly, rotate along with the axle bush subassembly, lubricating oil between first lubricated protruding stupefied and the second lubricated protruding stupefied can evenly be coated on the outer wall of axle bush subassembly for compensate the loss of sliding bearing normal rotation in-process lubricating oil, make sliding bearing twice the interval time of filling lubricating oil increase, extension sliding bearing's single life.

Optionally, the bearing seat assembly is provided with a first lubrication groove along the circumferential direction of the bearing seat assembly, and the first lubrication ridge and the first lubrication groove are arranged on the bearing seat assembly at intervals;

a second lubrication groove is formed in the bearing bush assembly along the circumferential direction of the bearing bush assembly, and the second lubrication ribs and the second lubrication groove are distributed at intervals; the bearing bush assembly is sleeved on the bearing seat assembly, the first lubrication ribs are inserted into the second lubrication grooves in a one-to-one correspondence manner, and the second lubrication ribs are inserted into the first lubrication grooves in a one-to-one correspondence manner;

gaps are formed between the first lubrication ridge and the second lubrication groove, between the second lubrication ridge and the first lubrication groove and between the bearing bush assembly and the bearing seat assembly, and lubricating oil is filled in the gaps.

Through adopting above-mentioned technical scheme, set up first lubrication groove on the bearing frame subassembly, set up the second lubrication groove on the outer wall of bush subassembly, between first lubrication groove and the second lubrication protruding arris, all be used for storing lubricating oil between second lubrication groove and the first lubrication protruding arris, make more lubricating oil that can store between bush subassembly and bearing frame subassembly, rotate along with the bush subassembly, the lubricating oil of here can evenly coat on the outer wall of bush subassembly, be used for making up the loss of slide bearing normal rotation in-process lubricating oil, make slide bearing twice filling lubricating oil's interval time increase, slide bearing's single life.

Optionally, be equipped with spacing subassembly on the terminal surface of bearing frame subassembly, set up the storage tank on the terminal surface of bearing frame subassembly, spacing subassembly detachable is fixed in the storage tank and to axle bush subassembly direction extends, spacing subassembly supports to paste on the outer wall of pivot.

Through adopting above-mentioned technical scheme, because the pivot exists the error in the course of working, therefore drive the axle bush subassembly and rotate when the pivot rotates, the rotation orbit of axle bush subassembly is not just round for thereby form local the butt of formation between axle bush subassembly and the bearing frame subassembly and form abnormal wear, the existence in clearance can be used for storing lubricating oil, can provide the rotation clearance of axle bush again, reduce the possibility of abnormal contact between axle bush subassembly and the bearing frame subassembly, thereby reduce the abnormal wear of bearing frame, improve passenger slide bearing's life. Meanwhile, the rotating shaft plays a limiting role when the bearing rotates by using the limiting assembly, the possibility of radial movement of the rotating shaft during rotation is reduced, the rotating shaft is matched with a gap between the bearing bush assembly and the bearing seat assembly, the possibility of abnormal contact between the bearing bush assembly and the bearing seat assembly is reduced, the abnormal abrasion of the bearing seat is reduced, and the service life of the passenger sliding bearing is prolonged.

Optionally, the spacing subassembly includes the collar, the one end of collar inserts in the accommodation groove, the other end of collar extends to the pivot direction, set up a plurality of ball grooves on the other end of collar, every be equipped with the ball in the ball groove, the outer wall and the pivot butt of ball, the pivot drives the ball is in the ball inslot rolls.

Through adopting above-mentioned technical scheme, when the pivot inserts the axle bush subassembly, pivot and ball contact for the pivot can insert with axle bush subassembly is coaxial, inserts more accurately, and the assembly is more convenient, and the ball still with pivot butt in the pivot rotation process simultaneously, makes the radial float of pivot restricted by the ball, reduces the possibility of unusual contact between axle bush subassembly and the bearing frame subassembly, thereby reduces the unusual wearing and tearing of bearing frame, improves passenger slide bearing's life.

Optionally, the bearing frame subassembly includes bolster bearing housing and bolster bearing housing, the bolster bearing housing is fixed on the base, bolster bearing housing pass through the bolt with bolster bearing housing is fixed, bolster bearing housing with be equipped with between the bolster bearing housing supply bolster bearing housing subassembly male mounting hole, first lubrication ridge with first lubrication groove equipartition is on the inner wall of mounting hole.

Through adopting above-mentioned technical scheme, the axle bush subassembly uses the upper axle bush of mutual amalgamation and lower axle bush, and the bearing frame subassembly also passes through the bolt fastening with the lower bearing frame through the upper bearing frame simultaneously and comes, and upper and lower bearing frame is fixed with upper and lower axle bush, therefore the assembly is more convenient, and the installation effectiveness is higher.

Optionally, be equipped with the fixed ear on the outer wall of bolster bearing housing, be equipped with down fixed ear on the bolster bearing housing, go up the fixed ear with all offer the fixed orifices on the fixed ear down, the bolt wears to establish in the fixed orifices.

Through adopting above-mentioned technical scheme, the bolt is fixed upper bearing frame and bearing housing each other together through passing fixed ear and lower fixed ear in proper order for fixed between upper bearing frame and the bearing housing is more stable, and it is more convenient to dismantle simultaneously, thereby has promoted assembly and dismantlement efficiency.

Optionally, the bearing bush assembly includes an upper bearing bush and a lower bearing bush, the upper bearing bush and the lower bearing bush are inserted into the mounting hole, the upper bearing bush is arranged at one side of the mounting hole close to the upper bearing seat, the lower bearing bush is arranged at one side of the lower bearing seat in the mounting hole, and a rotating shaft hole for inserting a rotating shaft is arranged between the upper bearing bush and the lower bearing bush;

the second lubrication ribs and the first lubrication grooves are uniformly distributed on the outer walls of the upper bearing bush and the bearing bush, when the upper bearing bush and the lower bearing bush are inserted into the mounting hole, the first lubrication ribs correspondingly differ into the second lubrication grooves, and the second lubrication ribs correspondingly insert into the first lubrication grooves.

Through adopting above-mentioned technical scheme, the second lubrication flange and the second lubrication groove on upper bush and the lower bush form complete annular after upper bush and lower bush amalgamation, also form complete annular after the upper bearing frame amalgamation with the lower bearing frame amalgamation like for can be along the cooperation rotation of second flange and first recess when the axle bush subassembly rotates, play spacing effect on the one hand, on the other hand also be convenient for lubricating oil evenly to coat on axle bush subassembly and bearing frame subassembly, it is better to lubricate, make slide bearing twice filling lubricating oil's interval time increase, slide bearing's single life.

Optionally, the base outwards extends and is equipped with fixed otic placode, be equipped with the connecting hole on the fixed otic placode.

By adopting the technical scheme, the reserved connecting holes are used for connecting the sliding bearing with other parts, and the installation is more convenient.

In summary, the present application includes at least one of the following beneficial effects:

1. when the bearing is inserted between the bearing bush assemblies and rotates, more lubricating oil is stored in the gap between the first lubricating convex edge and the second lubricating convex edge and the original gap between the bearing bush assemblies and the bearing seat assemblies, and rotates along with the bearing bush assemblies, the lubricating oil between the first lubricating convex edge and the second lubricating convex edge can be uniformly coated on the outer wall of the bearing bush assemblies and used for compensating the loss of the lubricating oil in the normal rotation process of the sliding bearing, so that the interval time for filling the lubricating oil for two times of the sliding bearing is prolonged, and the single service life of the sliding bearing is prolonged;

2. the bearing seat assembly is provided with a first lubrication groove, the outer wall of the bearing bush assembly is provided with a second lubrication groove, the lubrication groove is used for storing lubricating oil between the first lubrication groove and the second lubrication ridge and between the second lubrication groove and the first lubrication ridge, so that more lubricating oil can be stored between the bearing bush assembly and the bearing seat assembly, the lubricating oil can be uniformly coated on the outer wall of the bearing bush assembly along with rotation of the bearing bush assembly, loss of the lubricating oil in the normal rotation process of the sliding bearing is compensated, the interval time of filling the lubricating oil for two times of the sliding bearing is prolonged, and the single service life of the sliding bearing is prolonged.

Drawings

FIG. 1 is a schematic view of a high wear resistance sliding bearing according to an embodiment of the present application;

FIG. 2 is a schematic view of a bearing housing assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a high wear-resistant sliding bearing according to an embodiment of the present application;

FIG. 4 is a schematic view of a structural view of a shaft bushing assembly according to an embodiment of the present application;

in the figure: 1. a base; 11. fixing the ear plate; 12. a fixing hole; 2. a bearing block assembly; 21. an upper bearing seat; 22. a lower bearing seat; 23. an upper fixing lug; 24. a lower fixing lug; 25. a mounting hole; 3. a bearing bush assembly; 31. an upper bearing bush; 32. a lower bearing bush; 33. a rotation shaft hole; 4. a lubrication assembly; 41. a first lubrication ridge; 42. a second lubrication ridge; 43. a first lubrication groove; 44. a second lubrication groove; 5. a limit component; 51. a mounting ring; 52. and (3) rolling balls.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-4.

The embodiment of the application discloses a high wear-resistant sliding bearing. Referring to fig. 1 and 2, the high wear resistant slide bearing includes a base 1 for securing a bearing housing assembly 2. The bearing housing assembly 2 includes an upper bearing housing 21 and a lower bearing housing 22, the lower bearing housing 22 being fixed to the base 1. The base 1 extends outwards to form a fixed lug plate 11, and connecting holes connected with other parts remain on the fixed lug plate 11. The outer wall of the upper bearing seat 21 is fixed with an upper fixing lug 23, the outer wall of the lower bearing seat 22 is fixed with a lower fixing lug 24, the upper fixing lug 23 and the lower fixing lug 24 are provided with fixing holes 12, and bolts penetrate through the fixing holes 12 to mutually splice the upper bearing seat 21 and the lower bearing seat 22. A mounting hole 25 for mounting the bearing bush assembly 3 is formed between the split upper bearing seat 21 and lower bearing seat 22. The bushing assembly 3 is inserted into the mounting hole 25.

Referring to fig. 1 and 3, the bearing assembly 3 includes an upper bearing shell 31 and a lower bearing shell 32, a rotating shaft hole 33 into which a rotating shaft is inserted is formed after the upper bearing shell 31 and the lower bearing shell 32 are mutually spliced, the upper bearing shell 31 and the lower bearing shell 32 are clamped on the outer walls of the upper bearing shell 31 and the lower bearing shell 32 by the upper bearing block 21 and the lower bearing block 22 after being inserted into the mounting hole 25 formed after the upper bearing shell 31 and the lower bearing shell 32 are spliced, the rotating shaft is inserted into the mounting hole 25 formed after the upper bearing shell 31 and the lower bearing shell 32 are spliced and abutted against the inner walls of the upper bearing shell 31 and the lower bearing shell 32, the rotating shaft can drive the upper bearing shell 31 to rotate in the mounting hole 25, gaps are formed between the outer walls of the upper bearing shell 31 and the lower bearing shell 32 and the inner walls of the upper bearing block 21 and the lower bearing block 22, lubricating oil films are formed on the outer walls of the upper bearing shell 31 and the lower bearing block 22, and when the upper bearing shell 31 and the lower bearing shell 32 rotate in the mounting hole 25, the upper bearing shell 31 and the lower bearing shell 32 are prevented from directly contacting the inner walls of the mounting hole 25 in the rotating process, and the rotating wear is reduced.

Referring to fig. 3 and 4, a lubrication assembly 4 is provided between the bearing housing assembly 2 and the bearing shell assembly 3, the lubrication assembly 4 includes a first lubrication ridge 41 and a second lubrication ridge 42, and the first lubrication ridge 41 is disposed along an inner wall of the mounting hole 25 and extends in a circumferential direction of the mounting hole 25 to form a ring shape. That is, the first lubrication ridge 41 is divided into two parts, one part is on the inner wall of the upper bearing seat 21 and the other part is on the inner wall of the lower bearing seat 22, and when the upper bearing seat 21 and the lower bearing seat 22 are mutually spliced, the two parts are mutually spliced to form the complete first lubrication ridge 41. The first lubrication ridge 41 may be provided in plurality, and the plurality of first lubrication ridges 41 are also fixed on the inner wall of the mounting hole 25 and are arranged parallel to each other in the axial direction of the mounting hole 25.

Referring to fig. 4, the second lubrication ridge 42 is fixed to the outer wall of the rotation shaft hole 33 and extends in the circumferential direction of the rotation shaft hole 33 to form a ring shape. I.e. the second lubrication ridge 42 is fixed to the outer wall of the bearing shell assembly 3. The bearing bush assembly 3 is formed by splicing the upper bearing bush 31 and the lower bearing bush 32, so that the second lubrication ridge 42 is also divided into two parts, and the two parts are respectively fixed on the outer walls of the upper bearing bush 31 and the lower bearing bush 32, and when the upper bearing bush 31 and the lower bearing bush 32 are spliced, the complete second lubrication ridge 42 is formed. The second lubrication ribs 42 may be provided in plural, and the plural second lubrication ribs 42 are arranged parallel to each other and to each other in the axial direction of the fixing hole 12.

Referring to fig. 3 and 4, after the bearing bush assembly 3 is assembled in the mounting hole 25, the first lubrication ridge 41 and the second lubrication ridge 42 are arranged at intervals, a gap is also reserved between the first lubrication ridge 41 and the second lubrication ridge 42 and used for filling lubricating oil, when the rotating shaft is inserted into the rotating shaft hole 33 to drive the bearing bush assembly 3 to rotate in the mounting hole 25, the first lubrication ridge 41 and the second lubrication ridge 42 can uniformly coat the lubricating oil on the inner wall of the mounting hole 25 and the outer wall of the rotating shaft hole 33, so that the loss of the lubricating oil in the normal rotation process of the sliding bearing is compensated, the interval time of filling the lubricating oil twice of the sliding bearing is prolonged, and the single service life of the sliding bearing is prolonged.

Referring to fig. 3 and 4, first lubrication grooves 43 may be formed along the shape of a ring on the inner wall of the mounting hole 25 between adjacent first lubrication beads 41, i.e., the first lubrication beads 41 and the first lubrication grooves 43 are parallel to each other and spaced apart from each other on the inner wall of the mounting hole 25. The first lubrication grooves 43 are used for inserting the second lubrication ribs 42 during assembly, and annular second lubrication grooves 44 can be formed between the adjacent second lubrication ribs 42, that is, the second lubrication ribs 42 and the second lubrication grooves 44 are parallel to each other and are arranged on the inner wall of the mounting hole 25 at intervals. During assembly, the first lubrication ridge 41 is inserted into the second lubrication groove 44, the second lubrication ridge 42 is inserted into the first lubrication groove 43, and the first lubrication groove 43 and the second lubrication ridge 42 and the second lubrication groove 44 and the first lubrication ridge 41 are used for storing lubricating oil, so that more lubricating oil can be stored between the bearing bush assembly 3 and the bearing seat assembly 2, and the lubricating oil can be uniformly coated on the outer wall of the bearing bush assembly 3 along with rotation of the bearing bush assembly 3, so that loss of the lubricating oil in the normal rotation process of the sliding bearing is compensated, the interval time for filling the lubricating oil for two times of the sliding bearing is prolonged, and the single service life of the sliding bearing is prolonged.

Referring to fig. 2 and 3, the end face of the bearing seat assembly 2 is fixed with the limit assembly 5, the end face of the bearing seat assembly 2 is provided with a containing groove, the bearing seat assembly 2 is formed by mutually splicing an upper bearing seat 21 and a lower bearing seat, the containing groove is also simultaneously arranged on the upper bearing seat 21 and the lower bearing seat 22, and when the upper bearing seat 21 and the lower bearing seat 22 are mutually spliced, the containing groove also forms a ring-shaped whole, and the containing groove is used for installing the limit assembly 5. The limiting component 5 is fixed in the accommodating groove, the limiting component 5 comprises a mounting ring 51, the mounting ring 51 is inserted into the accommodating groove, the mounting ring 51 is L-shaped, the end part of the short section of the mounting ring 51 is inserted and fixed in the accommodating groove and perpendicular to the end face of the bearing seat component 2, the long section of the mounting ring 51 and the end face of the bearing seat extend in parallel to the direction of the rotating shaft, a ball groove is formed in the end part of the long section of the mounting ring 51, a ball 52 is arranged in the ball groove, and the outer edge of the ball 52 is abutted to the rotating shaft. The ball 52 is driven to roll in the ball groove when the rotating shaft acts, when the rotating shaft is inserted into the bearing bush assembly 3, the rotating shaft is contacted with the ball 52, so that the rotating shaft can be coaxially inserted into the bearing bush assembly 3, the insertion is more accurate, the assembly is more convenient, meanwhile, the ball 52 is still abutted to the rotating shaft in the rotating process of the rotating shaft, the radial movement of the rotating shaft is limited by the ball 52, the abnormal contact possibility between the bearing bush assembly 3 and the bearing seat assembly 2 is reduced, the abnormal abrasion of the bearing seat is reduced, and the service life of the passenger sliding bearing is prolonged.

This application fixes spacing subassembly 5 on the terminal surface of bearing frame subassembly 2, when the pivot inserts bearing bush subassembly 3, pivot and ball 52 contact, make the pivot can insert with bearing bush subassembly 3 coaxial, in the pivot rotation in-process ball 52 still with the pivot butt, when the bearing inserts between the bearing bush subassembly 3 and rotates, deposit more lubricating oil in the clearance between first lubricated protruding arris 41 and the second lubricated protruding arris 42 and the original clearance between bearing bush subassembly 3 and the bearing frame subassembly 2, rotate along with bearing bush subassembly 3, lubricating oil between first lubricated arris 41 and the second lubricated protruding arris 42 can evenly be coated on the outer wall of bearing bush subassembly 3, be used for making up the loss of slide bearing normal rotation in-process lubricating oil, make slide bearing twice filling lubricating oil's interval time increase, slide bearing's single life.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The high wear-resistant sliding bearing comprises a base (1) and a bearing seat assembly (2), wherein the bearing seat assembly (2) is fixed on the base (1), and a bearing bush assembly (3) for inserting a rotating shaft is sleeved in the bearing seat assembly (2), and is characterized in that: a lubrication assembly (4) is arranged between the bearing bush assembly (3) and the bearing seat assembly (2), the lubrication assembly (4) comprises a plurality of first lubrication ribs (41) and a plurality of second lubrication ribs (42), the first lubrication ribs (41) are arranged on the bearing seat assembly (2) and uniformly distributed on the bearing seat assembly (2) along the circumferential direction of the bearing seat assembly (2) and are in contact with the bearing bush assembly (3), and the second lubrication ribs (42) are arranged on the bearing bush assembly (3) and uniformly distributed along the circumferential direction of the bearing bush assembly (3);

the second lubrication ridge (42) is in contact with the bearing seat assembly (2), the second lubrication ridge (42) and the first lubrication ridge (41) are distributed at intervals, a gap is formed between the first lubrication ridge (41) and the second lubrication ridge (42), and lubricating oil is filled in the gap.

2. The high wear resistant slide bearing according to claim 1, wherein: the bearing seat assembly (2) is provided with a first lubrication groove (43) along the circumferential direction of the bearing seat assembly (2), and the first lubrication ribs (41) and the first lubrication groove (43) are distributed on the bearing seat assembly (2) at intervals;

a second lubrication groove (44) is formed in the bearing bush assembly (3) along the circumferential direction of the bearing bush assembly (3), and the second lubrication ribs (42) and the second lubrication groove (44) are distributed at intervals; when the bearing bush assembly (3) is sleeved on the bearing seat assembly (2), the first lubrication ribs (41) are inserted into the second lubrication grooves (44) in a one-to-one correspondence manner, and the second lubrication ribs (42) are inserted into the first lubrication grooves (43) in a one-to-one correspondence manner;

the gaps are respectively arranged between the first lubrication convex edges (41) and the second lubrication grooves (44), between the second lubrication convex edges (42) and the first lubrication grooves (43) and between the bearing bush assembly (3) and the bearing seat assembly (2), and lubricating oil is filled in the gaps.

3. The high wear resistant slide bearing according to claim 2, wherein: the bearing pedestal is characterized in that a limiting assembly (5) is arranged on the end face of the bearing pedestal assembly (2), a containing groove is formed in the end face of the bearing pedestal assembly (2), the limiting assembly (5) is detachably fixed in the containing groove and extends towards the bearing bush assembly (3), and the limiting assembly (5) is abutted to the outer wall of the rotating shaft.

4. A highly wear resistant sliding bearing according to claim 3, wherein: spacing subassembly (5) are including collar (51), the one end of collar (51) is inserted in the holding groove, the other end of collar (51) extends to the pivot direction, offer a plurality of ball (52) grooves on the other end of collar (51), every ball (52) inslot is equipped with ball (52), the outer wall and the pivot butt of ball (52), the pivot drives ball (52) are in the roll of ball (52) inslot.

5. The high wear resistant slide bearing according to claim 2, wherein: the bearing seat assembly (2) comprises an upper bearing seat (21) and a lower bearing seat (22), wherein the lower bearing seat (22) is fixed on the base (1), the upper bearing seat (21) is fixed with the lower bearing seat (22) through bolts, a mounting hole (25) for the bearing bush assembly (3) to be inserted is formed between the upper bearing seat (21) and the lower bearing seat (22), and the first lubrication ribs (41) and the first lubrication grooves (43) are uniformly distributed on the inner wall of the mounting hole (25).

6. The high wear resistant slide bearing according to claim 5, wherein: an upper fixing lug (23) is arranged on the outer wall of the upper bearing seat (21), a lower fixing lug (24) is arranged on the lower bearing seat (22), fixing holes (12) are formed in the upper fixing lug (23) and the lower fixing lug (24), and bolts penetrate through the fixing holes (12).

7. The high wear resistant slide bearing according to claim 5, wherein: the bearing bush assembly (3) comprises an upper bearing bush (31) and a lower bearing bush (32), the upper bearing bush (31) and the lower bearing bush (32) are inserted into the mounting hole (25), the upper bearing bush (31) is arranged on one side, close to the upper bearing seat (21), in the mounting hole (25), the lower bearing bush (32) is arranged on one side, in the mounting hole (25), of the lower bearing seat (22), and a rotating shaft hole (33) for inserting a rotating shaft is arranged between the upper bearing bush (31) and the lower bearing bush (32);

the second lubrication ribs (42) and the first lubrication grooves (43) are uniformly distributed on the outer walls of the upper bearing bush (31) and the bearing bush, when the upper bearing bush (31) and the lower bearing bush (32) are inserted into the mounting hole (25), the first lubrication ribs (41) correspondingly differential into the second lubrication grooves (44), and the second lubrication ribs (42) correspondingly differential into the first lubrication grooves (43).

8. The high wear resistant slide bearing according to claim 1, wherein: the base (1) is provided with a fixed lug plate (11) in an outward extending mode, and the fixed lug plate (11) is provided with a connecting hole.

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