CN113530967B

CN113530967B - Thrust ball bearing

Info

Publication number: CN113530967B
Application number: CN202110659739.3A
Authority: CN
Inventors: 杜明弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2023-11-17
Anticipated expiration: 2041-06-15
Also published as: CN113530967A

Abstract

The invention discloses a thrust ball bearing which comprises an upper shaft seat valve and a lower shaft seat valve, wherein a bearing mechanism is arranged between the upper shaft seat valve and the lower shaft seat valve, the bearing mechanism comprises an upper bearing bush and a lower bearing bush, the end face structures of the upper bearing bush and the lower bearing bush are semicircular, ball mechanisms are arranged on the arc inner side walls of the upper bearing bush and the lower bearing bush, one ends of the upper shaft seat valve and the lower shaft seat valve are hinged through hinges, movable ends of the upper shaft seat valve and the lower shaft seat valve are respectively and fixedly connected with an upper connecting strip and a lower connecting strip, the upper connecting strip and the lower connecting strip are fixed through bolts, the arc outer side wall at the bottom of the lower shaft seat valve is fixedly connected with a base, and the outer wall at the bottom of the base is fixedly connected with a fixing plate. The thrust ball bearing provided by the invention has the advantages that the thrust performance of the bearing is better, the end part of the shaft can be reliably fixed, the later oiling of staff is facilitated, after the oiling, the lubricating oil can quickly permeate through rich oil ways in the bearing, and the convenience in use of the bearing is improved.

Description

Thrust ball bearing

Technical Field

The invention relates to the technical field of ball bearings, in particular to a thrust ball bearing.

Background

The main function of the bearing is to support the mechanical rotator, reduce the friction coefficient in the motion process and ensure the rotation precision. The thrust bearing is a separate bearing, the parts such as a shaft collar, a seat ring and the like can be separated, and the thrust ball bearing is used for bearing the combined load of the shaft and the radial direction mainly based on the axial load, so the thrust bearing is also called as the axial bearing.

At present, the existing thrust ball bearing has the following defects: the installation is unstable, and in later stage's use, the ball in the thrust bearing shifts or misplaces etc. easily, and then leads to the bearing itself unstable, and then aggravates axial and radial motion of axle, and current thrust ball bearing's oil circuit is simple, can not realize quick oiling. Therefore, there is a need to design a thrust ball bearing to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a thrust ball bearing.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a thrust ball bearing, includes axle bed lamella and lower axle bed lamella, be equipped with bearing mechanism between axle bed lamella and the lower axle bed lamella, bearing mechanism includes upper bearing bush and lower bearing bush, and the terminal surface structure of upper bearing bush and lower bearing bush is semi-circular, and the arc inside wall of upper bearing bush and lower bearing bush all is equipped with ball mechanism, the one end of upper axle bed lamella and lower axle bed lamella is articulated through the hinge, and upper axle bed lamella and lower axle bed lamella's expansion end respectively fixedly connected with go up connecting rod and lower connecting rod, go up through bolt fastening between connecting rod and the lower connecting rod, the bottom arc lateral wall fixedly connected with base of lower axle bed lamella, the bottom outer wall fixedly connected with fixed plate of base, the top outer wall of fixed plate is close to four corners and all opens there is the counter bore.

Preferably, the ball mechanism comprises an outer liner and an inner liner, wherein the arc-shaped outer side wall of the outer liner is welded with the arc-shaped inner side wall of the upper bearing bush, two groups of semi-spherical ball grooves which are distributed in a semi-annular mode are formed in the arc-shaped inner side wall of the outer liner, balls are inserted in the ball grooves, and two arc-shaped ball tiles are clamped between the outer liner and the inner liner.

The ball bearing comprises a ball bearing, an inner liner, a plurality of semi-annular ball holes, a plurality of semi-annular shaft oil holes, a plurality of end posts, a connecting ball head, two semi-annular track grooves, an omega-shaped end face structure of each track groove, and a connecting ball head embedded in each track groove, wherein the plurality of semi-annular ball holes are formed in the arc-shaped outer side wall of the ball bearing, the ball holes are distributed in the semi-annular ball holes, the middle positions of the balls are inserted in the ball bearing, the two semi-annular grooves are formed in the side wall of the inner liner, one ends of the two groups of the balls, which are far away from the outer liner, are inserted in the corresponding semi-annular grooves respectively, the plurality of shaft oil holes are formed in the arc-shaped inner side walls of the semi-annular grooves, the two groups of the equidistant semi-annular ball bearing are embedded in the track grooves, the connecting ball heads are embedded in the track grooves, and the connecting ball heads are welded at the middle positions.

The outer walls of two opposite sides of the two flanging sheets are respectively contacted with the arc-shaped side surfaces of the two arc-shaped sheets.

The middle positions of the arc-shaped outer side walls of the upper bearing bush and the lower bearing bush are welded with a plurality of thrust blocks, the end face structures of the thrust blocks are triangular, and a plurality of thrust grooves are formed in the middle positions of the arc-shaped inner side walls of the upper shaft seat valve and the lower shaft seat valve and are respectively inserted into the thrust grooves at corresponding positions.

The upper bearing bush, the top of the outer liner of the ball mechanism positioned above and the top of the upper shaft seat valve are provided with upper oil holes which are communicated, and the lower bearing bush, the outer liner of the ball mechanism positioned below and the arc-shaped outer side wall of the lower shaft seat valve close to the top end are provided with lower oil holes which are communicated.

The inner side walls of the two ball grooves in the same row of the ball mechanism are provided with communicated transverse oil guiding holes, the transverse oil guiding holes which are positioned above the ball mechanism and are close to the top are communicated with the bottom end of the upper oil filling hole, the inner side walls of the ball grooves which are distributed in a semi-annular mode of each group are provided with communicated arc oil guiding holes, and the arc oil guiding holes which are positioned below the ball mechanism and are close to the lower oil filling hole are communicated with the lower oil filling hole.

The two bottom ends of the upper bearing bush are both provided with connecting grooves, the end face structures of the connecting grooves are T-shaped, the two top ends of the lower bearing bush are both welded with T-shaped connecting strips, and the connecting strips are respectively inserted into the connecting grooves at corresponding positions.

The middle position of the arc-shaped outer side wall of the ball is provided with an annular groove, a round head block is welded at the position, close to the outer liner, of the inner wall of one side of the ball groove, and the end part of the round head block is inserted into the groove.

The beneficial effects of the invention are as follows:

1. through the attach fitting and the end post that set up, attach fitting inserts in the orbit inslot of outer liner, so interior liner and outer liner can not the disjoint at the later stage in-process that carries out relative rotation, and combine the setting of opening fluted ball and button head piece, at later stage ball pivoted in-process, the button head piece can provide fixed direction for the rotation of ball, this will reduce the inhomogeneous problem of bearing rotation each part stress that causes because of each ball rotation direction is different, and can guarantee the stability of bearing in the use.

2. Through last oil filler point, lower oil filler point, horizontal hole and the arc of drawing that lures that set up draw the oil filler point, horizontal oil filler point and arc draw the oil filler point to form net shape oil circuit and distribute inside outer lining pad, when refueling, through upward oil filler point and lower oil filler point in adding lubricating oil, lubricating oil can be fast along net shape oil circuit quick distribution in each ball department and then accelerated the lubricated efficiency of refueling, and unnecessary lubricating oil accessible in ball department reaches inside the bearing for the axle oil hole, and then oil is gone up for the axle, reduce the frictional resistance that receives in-process is rotated to the axle.

3. The thrust block is embedded in the thrust groove through the thrust block, the upper shaft seat flap and the lower shaft seat flap which are provided with the thrust groove, so that the positions of the upper bearing bush and the lower bearing bush can be reinforced, the bearing is further prevented from deviating due to axial or radial movement, and the purpose of thrust is further realized.

Drawings

FIG. 1 is a schematic side sectional view of a thrust ball bearing;

FIG. 2 is a schematic diagram of a partial side sectional structure of a thrust ball bearing;

FIG. 3 is a schematic view of a thrust ball bearing bead construction;

FIG. 4 is a schematic view of the inner and outer liners of a thrust ball bearing;

FIG. 5 is a schematic view of a partial front cross-sectional structure of a thrust ball bearing;

fig. 6 is a schematic structural view of an upper and lower axial seat lobes of a thrust ball bearing.

In the figure: the device comprises a 1-fixed plate, a 2-shaft feeding oil hole, a 3-inner liner, a 4-flanging piece, a 5-upper shaft seat flap, a 6-transverse oil guiding hole, a 7-outer liner, an 8-upper oil guiding hole, a 9-connecting ball head, a 10-thrust block, an 11-upper bearing bush, a 12-cambered surface piece, a 13-ball, a 14-ball bush, a 15-lower bearing bush, a 16-lower shaft seat flap, a 17-base, a 18-end post, a 19-round head block, a 20-ball groove, a 21-groove, a 22-ball hole, a 23-connecting strip, a 24-lower oil guiding hole, a 25-upper connecting strip, a 26-lower connecting strip, a 27-thrust groove, a 28-connecting groove, a 29-arc oil guiding hole and a 30-counter bore.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-6, a thrust ball bearing comprises an upper shaft seat flap 5 and a lower shaft seat flap 16, a bearing mechanism is arranged between the upper shaft seat flap 5 and the lower shaft seat flap 16, the bearing mechanism comprises an upper bearing bush 11 and a lower bearing bush 15, the end face structures of the upper bearing bush 11 and the lower bearing bush 15 are semicircular, the arc inner side walls of the upper bearing bush 11 and the lower bearing bush 15 are respectively provided with a ball mechanism, one ends of the upper shaft seat flap 5 and the lower shaft seat flap 16 are hinged through a hinge, movable ends of the upper shaft seat flap 5 and the lower shaft seat flap 16 are respectively welded with an upper connecting strip 25 and a lower connecting strip 26, the upper connecting strip 25 and the lower connecting strip 26 are fixed through bolts, the arc outer side wall at the bottom of the lower shaft seat flap 16 is welded with a base 17, the outer wall at the bottom of the base 17 is welded with a fixing plate 1, and the outer wall at the top of the fixing plate 1 is close to four corners and is provided with counter bores 30.

The ball mechanism comprises an outer liner 7 and an inner liner 3, wherein the arc-shaped outer side wall of the outer liner 7 is welded with the arc-shaped inner side wall of the upper bearing bush 11, two groups of semi-spherical ball grooves 20 which are distributed in a semi-annular mode are formed in the arc-shaped inner side wall of the outer liner 7, balls 13 are inserted into the ball grooves 20, and two arc-shaped ball tiles 14 are clamped between the outer liner 7 and the inner liner 3.

The arc-shaped outer side wall of the ball tile 14 is provided with a plurality of semi-annular distributed ball holes 22, the middle positions of the balls 13 are spliced in the ball holes 22, the side wall of the inner liner 3 is provided with two semi-annular grooves, one ends of the two groups of balls 13, which are far away from the outer liner 7, are respectively spliced in the corresponding semi-annular grooves, the arc-shaped inner side wall of the semi-annular grooves is provided with a plurality of shaft feeding oil holes 2, redundant lubricating oil at the positions of the balls 13 can reach the inside of the bearing through the shaft feeding oil holes 2 so as to oil the shaft, the friction resistance born in the shaft rotation process is reduced, the middle positions of the arc-shaped outer side wall of the inner liner 3 are welded with two groups of end posts 18 which are equidistantly semi-annularly distributed, the end portions of the end posts 18 are welded with connecting balls 9, the arc-shaped inner side wall of the outer liner 7 is provided with two semi-annular track grooves, the end face structures of the track grooves are omega-shaped, the connecting balls 9 are embedded in the track grooves, and the connecting joints 9 are embedded in the track grooves of the outer liner 7, so that the inner liner 3 and the outer liner 7 cannot be throttled in the process of relative rotation in the later stage, and the outer wall of the balls 13 is provided with grooves.

Wherein, the both ends lateral wall of inside lining 3 all welds the turn-ups piece 4 of semicircle ring shape, and the both ends of outside lining 7 all weld the cambered surface piece 12 of semicircle ring shape, and the outer wall of the opposite one side of two turn-ups pieces 4 contacts with the arc side of two cambered surface pieces 12 respectively.

Wherein, a plurality of thrust blocks 10 are all welded in the arc lateral wall intermediate position of upper bush 11 and lower bush 15, and the terminal surface structure of thrust block 10 is triangle-shaped, and a plurality of thrust grooves 27 are all opened to the arc inside wall intermediate position of upper axle bed lamella 5 and lower axle bed lamella 16, and thrust block 10 peg graft respectively in the thrust groove 27 of corresponding position, so can consolidate the position of upper bush 11 and lower bush 15, further prevent the bearing and squint the position because of axial or radial motion, and then realize the purpose of thrust.

Wherein, the top of the upper bearing bush 11, the outer liner 7 of the ball mechanism positioned above and the top of the upper shaft seat valve 5 are provided with upper oil filling holes 8 which are communicated, and the lower bearing bush 15, the outer liner 7 of the ball mechanism positioned below and the arc-shaped outer side wall of the lower shaft seat valve 16 close to the top end are provided with lower oil filling holes 24 which are communicated.

The inner side walls of the two ball grooves 20 in the same row of the ball mechanism are provided with communicated transverse oil guiding holes 6, the transverse oil guiding holes near the top of the ball mechanism positioned above are communicated with the bottom end of the upper oil filling hole 8, the inner side walls of the ball grooves 20 distributed in a semi-annular mode of each group are provided with communicated arc oil guiding holes 29, the transverse oil guiding holes 6 and the arc oil guiding holes 29 form grid-shaped oil paths which are distributed inside the outer liner 7, when oiling is performed, lubricating oil can be rapidly distributed at the positions of the balls 13 along the grid-shaped oil paths through adding the lubricating oil into the upper oil filling hole 8 and the lower oil filling hole 24, and further oiling lubrication efficiency is improved, and the arc oil guiding holes 29 near the lower oil filling hole 24 of the ball mechanism positioned below are communicated with the lower oil filling hole 24.

The two bottom ends of the upper bearing bush 11 are both provided with connecting grooves 28, the end face structures of the connecting grooves 28 are all in a T shape, the two top ends of the lower bearing bush 15 are both welded with T-shaped connecting strips 23, and the connecting strips 23 are respectively inserted into the connecting grooves 28 at corresponding positions.

The middle position of the arc-shaped outer side wall of the ball 13 is provided with an annular groove 21, the position, close to the outer liner 7, of the inner wall of one side of the ball groove 20 is welded with a round head block 19, and the end part of the round head block 19 is inserted into the groove 21, so that in the later-stage ball 13 rotating process, the round head block 19 can provide a fixed direction for the rotation of the ball 13, the problem that stress of each part of the bearing rotating due to different rotation directions of each ball 13 is uneven is solved, and the stability of the bearing in the using process can be guaranteed.

Working principle: during the use, connect 9 inlay and insert in the orbit inslot of outer liner 7, so inner liner 3 and outer liner 7 can not the dislocation in the in-process that the later stage carries out relative rotation, and open flutedly at the outer wall of ball 13, so in the in-process that the later stage ball 13 rotated, round head piece 19 can provide fixed direction for the rotation of ball 13, this will reduce the problem that the bearing rotates each partial uneven stress that causes because of each ball 13 rotation direction is different, and can guarantee the stability of bearing in the use, horizontal oil feed hole 6 and arc oil feed hole 29 form net shape oil circuit and distribute in outer liner 7 inside, during the oiling, through upwards oil feed hole 8 and lower oil feed hole 24 in adding lubricating oil, lubricating oil can be fast distributed in each ball 13 department along net shape oil circuit, and then accelerated the lubricated efficiency of oiling, and the unnecessary lubricating oil of ball 13 department can reach inside the bearing through giving the axle oilhole 2, and then give the epaxial oily, reduce the frictional resistance that receives in the axle rotation process, because thrust piece 10 inlays in thrust groove 27, so can consolidate the position on the upper and lower 11 or the axial offset of bearing is further realized, the axial displacement of bearing bush is prevented.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The thrust ball bearing comprises an upper shaft seat valve (5) and a lower shaft seat valve (16), and is characterized in that a bearing mechanism is arranged between the upper shaft seat valve (5) and the lower shaft seat valve (16), the bearing mechanism comprises an upper bearing bush (11) and a lower bearing bush (15), the end face structures of the upper bearing bush (11) and the lower bearing bush (15) are semicircular, ball mechanisms are arranged on the arc-shaped inner side walls of the upper bearing bush (11) and the lower bearing bush (15), one ends of the upper shaft seat valve (5) and the lower shaft seat valve (16) are hinged through hinges, movable ends of the upper shaft seat valve (5) and the lower shaft seat valve (16) are respectively fixedly connected with an upper connecting strip (25) and a lower connecting strip (26), the upper connecting strip (25) and the lower connecting strip (26) are fixed through bolts, a base (17) is fixedly connected to the bottom arc-shaped outer side wall of the lower shaft seat valve (16), a fixing plate (1) is fixedly connected to the bottom outer wall of the base (17), and counter bores (30) are formed in positions, close to four corners, respectively, of the top outer wall of the fixing plate (1);

the ball mechanism comprises an outer liner (7) and an inner liner (3), wherein the arc-shaped outer side wall of the outer liner (7) is welded with the arc-shaped inner side wall of the upper bearing bush (11), two groups of semi-spherical ball grooves (20) which are distributed in a semi-annular mode are formed in the arc-shaped inner side wall of the outer liner (7), balls (13) are inserted into the ball grooves (20), and two arc-shaped ball tiles (14) are clamped between the outer liner (7) and the inner liner (3);

the arc-shaped outer side wall of the bead tile (14) is provided with a plurality of semi-annular distributed bead holes (22), the middle positions of the balls (13) are inserted into the bead holes (22), the side wall of the inner liner (3) is provided with two groups of semi-annular grooves, one ends of the two groups of balls (13) far away from the outer liner (7) are respectively inserted into the corresponding semi-annular grooves, the arc-shaped inner side wall of the semi-annular grooves is provided with a plurality of shaft feed oil holes (2), the middle position of the arc-shaped outer side wall of the inner liner (3) is welded with two groups of equidistant semi-annular distributed end posts (18), the end parts of the end posts (18) are welded with connecting ball heads (9), the arc-shaped inner side wall of the outer liner (7) is provided with two semi-annular track grooves, the end surface structures of the track grooves are omega-shaped, and the connecting ball heads (9) are inserted into the track grooves in an embedded manner;

the outer side walls of two ends of the inner lining pad (3) are welded with semicircular flanging sheets (4), two ends of the outer lining pad (7) are welded with semicircular cambered sheets (12), and the outer walls of one side, opposite to the two flanging sheets (4), are respectively contacted with the cambered side surfaces of the two cambered sheets (12).

2. The thrust ball bearing according to claim 1, wherein a plurality of thrust blocks (10) are welded at the middle positions of the arc-shaped outer side walls of the upper bearing bush (11) and the lower bearing bush (15), the end face structures of the thrust blocks (10) are triangular, a plurality of thrust grooves (27) are formed at the middle positions of the arc-shaped inner side walls of the upper shaft seat valve (5) and the lower shaft seat valve (16), and the thrust blocks (10) are respectively inserted into the thrust grooves (27) at corresponding positions.

3. The thrust ball bearing according to claim 1, wherein the upper bushing (11), the top of the outer liner (7) of the ball mechanism located above and the top of the upper shaft seat flap (5) are provided with upper oil injection holes (8) which are communicated, and the lower bushing (15), the outer liner (7) of the ball mechanism located below and the arc-shaped outer side wall of the lower shaft seat flap (16) close to the top end are provided with lower oil injection holes (24) which are communicated.

4. A thrust ball bearing according to claim 3, wherein the inner side walls of the two ball grooves (20) in the same row of the ball mechanism are provided with communicated transverse oil guiding holes (6), the transverse oil guiding holes near the top of the ball mechanism positioned above are communicated with the bottom end of the upper oil filling hole (8), the inner side walls of the ball grooves (20) distributed in a semi-annular manner of each group are provided with communicated arc oil guiding holes (29), and the arc oil guiding holes (29) near the lower oil filling hole (24) of the ball mechanism positioned below are communicated with the lower oil filling hole (24).

5. The thrust ball bearing of claim 4, wherein the two bottom ends of the upper bearing bush (11) are provided with connecting grooves (28), the end face structures of the connecting grooves (28) are T-shaped, the two top ends of the lower bearing bush (15) are welded with T-shaped connecting strips (23), and the connecting strips (23) are respectively inserted into the connecting grooves (28) at corresponding positions.

6. The thrust ball bearing of claim 5, wherein an annular groove (21) is formed in the middle of the arc-shaped outer side wall of the ball (13), a round head block (19) is welded on the inner wall of one side of the ball groove (20) close to the outer liner (7), and the end part of the round head block (19) is inserted into the groove (21).