CN113530967A

CN113530967A - Thrust ball bearing

Info

Publication number: CN113530967A
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: 2021-10-22
Anticipated expiration: 2041-06-15
Also published as: CN113530967B

Abstract

The invention discloses an anti-thrust ball bearing, which comprises an upper shaft seat flap and a lower shaft seat flap, wherein a bearing mechanism is arranged between the upper shaft seat flap and the lower shaft seat flap, the bearing mechanism comprises an upper bearing bush and a lower bearing bush, the end surface structures of the upper bearing bush and the lower bearing bush are semicircular, the arc-shaped inner side walls of the upper bearing bush and the lower bearing bush are respectively provided with a ball mechanism, one ends of the upper shaft seat flap and the lower shaft seat flap are hinged through hinges, the movable ends of the upper shaft seat flap and the lower shaft seat flap 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-shaped outer side wall of the bottom of the lower shaft seat flap is fixedly connected with a base, and the outer wall of the bottom of the base is fixedly connected with a fixing plate. The thrust ball bearing has better thrust performance, can reliably fix the end part of a shaft, is convenient for workers to oil in the later period, and can ensure that lubricating oil can quickly permeate through rich oil paths in the bearing after oil is applied, thereby improving the use convenience of the bearing.

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 movement process and ensure the rotation precision. The thrust bearing is a separate type bearing, parts such as a shaft ring, a race and the like can be separated, and the thrust ball bearing is used for bearing shaft and radial combined load mainly comprising axial load, so the thrust bearing is also called as an axial bearing.

At present, the existing thrust ball bearing has the following defects: the installation is unstable, and in the use in later stage, the ball in the footstep bearing shifts easily or dislocation etc. and then leads to 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 oiling fast. Therefore, there is a need to design a thrust ball bearing to solve the above 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 purpose, the invention adopts the following technical scheme:

the utility model provides a thrust ball bearing, includes upper shaft seat lamella and lower shaft seat lamella, be equipped with bearing mechanism between upper shaft seat lamella and the lower shaft seat lamella, bearing mechanism includes upper bearing shell and lower bearing shell, and the end face structure of upper bearing shell and lower bearing shell is semi-circular, and the arc inside wall of upper bearing shell and lower bearing shell all is equipped with ball mechanism, it is articulated through the hinge to go up the one end of shaft seat lamella and lower shaft seat lamella, goes up connecting strip and lower connecting strip on the expansion end difference fixedly connected with of upper shaft seat lamella and lower shaft seat lamella, goes up through the bolt fastening between connecting strip and the lower connecting strip, the bottom arc lateral wall fixedly connected with base of lower shaft seat 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 has all opened the counter bore.

Preferably, the ball mechanism includes outer liner and inside lining pad, and the arc lateral wall of outer liner welds with the arc inside wall of last axle bush, and the arc inside wall of outer liner is opened has two sets of semi-annular hemispherical ball grooves that distribute, and the ball has all been pegged graft in the ball groove, presss from both sides between outer liner and the inside lining pad and is equipped with two curved ball tiles.

Wherein, the arc lateral wall of pearl tile is opened the pearl hole that has a plurality of semi-ring shape to distribute, the intermediate position of ball is pegged graft at the pearl downthehole, the lateral wall of inner liner is opened there are two sets of semi-ring grooves, the one end that outer liner was kept away from to two sets of balls is pegged graft respectively in the semi-ring groove that corresponds, the arc inside wall of semi-ring groove is opened has a plurality ofly to give the axle oilhole, the arc lateral wall intermediate position welding of inner liner has the end post that two sets of equidistance semi-ring shape distribute, the tip of end post has all welded the connection bulb, the arc inside wall of outer liner is opened there are two semi-ring shape orbit grooves, the end face structure in orbit groove is "omega" shape ", connect the bulb inlays and inserts in the orbit inslot.

The outer side walls of the two ends of the inner liner are respectively welded with semicircular flanging sheets, the two ends of the outer liner are respectively welded with semicircular cambered surface sheets, and the outer wall of one side, opposite to the two flanging sheets, of the two flanging sheets is respectively contacted with the cambered side surfaces of the two cambered surface sheets.

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

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

The inner side walls of the two ball grooves on the same row of the ball mechanism are provided with communicated transverse oil leading holes, the transverse oil leading holes, close to the top, of the upper ball mechanism are communicated with the bottom end of the upper oil injection hole, the inner side wall of each group of semi-annularly distributed ball grooves is provided with communicated arc oil leading holes, and the arc oil leading holes, close to the lower oil injection holes, of the lower ball mechanism are communicated with the lower oil injection holes.

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

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

The invention has the beneficial effects that:

1. through the attach fitting and the end post that set up, the attach fitting inlays and inserts the orbit inslot at outer liner, so inner liner and outer liner carry out relative pivoted in-process in the later stage and can not disjointed, and combine the setting of division notched ball and round head piece, at later stage ball pivoted in-process, round head piece can provide fixed direction for the rotation of ball, this will reduce the bearing that causes because of each ball rotation direction difference and rotate the inhomogeneous problem of each part stress, and can guarantee the stability of bearing in the use.

2. Through the last oil injection hole that sets up, the oil hole of pouring, transversely lure hole and arc to draw the oil hole, transversely draw the oil hole and the arc to draw the oil hole to form net shape oil circuit and distribute inside outer liner, when refueling, through upwards oil filler point and the interior lubricating oil that adds of the oil hole of pouring, lubricating oil can distribute in each ball department fast along net shape oil circuit fast and then accelerated the lubricated efficiency of refueling, and inside the unnecessary lubricating oil accessible of ball department reachs the bearing for the axle oilhole, and then oil for the axle, reduce the frictional resistance that the axle rotated the in-process and received.

3. Through the thrust block that sets up, open the upper shaft seat lamella and the lower shaft seat lamella that have the thrust groove, the thrust block inlays in the thrust groove, so can consolidate the position of upper bearing shell and lower bearing shell, further prevent that the bearing from because of axial or radial motion excursion position, and then realize the purpose of thrust.

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 view of a thrust ball bearing;

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

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 view of a thrust ball bearing;

FIG. 6 is a schematic view of the upper and lower bearing lobes of a thrust ball bearing.

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

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

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

Referring to fig. 1-6, an anti-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 both semicircular, the arc-shaped inner side walls of the upper bearing bush 11 and the lower bearing bush 15 are both provided with ball mechanisms, one ends of the upper shaft seat flap 5 and the lower shaft seat flap 16 are hinged through hinges, the 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-shaped outer side wall of the bottom of the lower shaft seat flap 16 is welded with a base 17, the outer wall of the bottom of the base 17 is welded with a fixing plate 1, and the outer wall of the top of the fixing plate 1, which is close to four corners, is provided with counter bores 30.

Wherein, ball mechanism includes outer liner 7 and inside liner 3, and the arc lateral wall of outer liner 7 and the arc inside wall welding of upper bearing shell 11, and the arc inside wall of outer liner 7 is opened has two sets of semi-annular hemispherical ball grooves 20 that distribute, has all pegged graft in the ball groove 20 to have ball 13, presss from both sides between outer liner 7 and the inside liner 3 and is equipped with two curved ball tile 14.

Wherein, the arc outer side wall of the bead tile 14 is provided with a plurality of bead holes 22 distributed in a semi-ring shape, the middle positions of the balls 13 are inserted in the bead holes 22, the side wall of the inner liner 3 is provided with two groups of semi-ring shaped grooves, one ends of the two groups of balls 13 far away from the outer liner 7 are respectively inserted in the corresponding semi-ring shaped grooves, the arc inner side wall of the semi-ring shaped grooves is provided with a plurality of shaft feeding oil holes 2, redundant lubricating oil at the balls 13 can reach the inside of the bearing through the shaft feeding oil holes 2 and then oil the shaft, the friction resistance received in the rotating process of the shaft is reduced, the middle positions of the arc outer side wall of the inner liner 3 are welded with two groups of end posts 18 distributed in a semi-ring shape at equal intervals, the end parts of the end posts 18 are all welded with connecting bulbs 9, the arc inner side wall of the outer liner 7 is provided with two semi-ring shaped track grooves, the end surface structures of the track grooves are all in an omega shape, the connecting bulbs 9 are inserted in the track grooves of the outer liner 7, therefore, the inner liner 3 and the outer liner 7 cannot be disjointed in the relative rotation process in the later period, and the outer wall of the ball 13 is provided with a groove.

Wherein, semicircular annular flanging pieces 4 are welded on the outer side walls of the two ends of the inner liner 3, semicircular annular cambered surface pieces 12 are welded on the two ends of the outer liner 7, and the outer wall of one side opposite to the two flanging pieces 4 is respectively contacted with the cambered side surfaces of the two cambered surface pieces 12.

Wherein, the arc lateral wall intermediate position of upper bearing shell 11 and lower bearing shell 15 all welds a plurality of thrust block 10, the end face structure of thrust block 10 is triangle-shaped, a plurality of thrust grooves 27 have all been opened to the arc inside wall intermediate position of upper shaft seat lamella 5 and lower shaft seat lamella 16, thrust block 10 pegs graft respectively in the thrust groove 27 that corresponds the position, so can consolidate the position of upper bearing shell 11 and lower bearing shell 15, further prevent that the bearing is because of axial or radial motion excursion position, and then realize the purpose of thrust.

The upper bearing bush 11, the top of the outer liner 7 of the upper ball mechanism and the top of the upper bearing seat flap 5 are provided with communicated upper oil injection holes 8, and the lower bearing bush 15, the outer liner 7 of the lower ball mechanism and the arc-shaped outer side wall of the lower bearing seat flap 16 close to the top end are provided with communicated lower oil injection holes 24.

Wherein, the ball mechanism with the inboard wall of two ball grooves 20 of the same line of ball mechanism opens the horizontal oil guide hole 6 that has the intercommunication, be located the ball mechanism of top, the bottom intercommunication of the horizontal oil guide hole that is close to the top and last oil injection hole 8, the arc oil guide hole 29 that has the intercommunication is opened to the inboard wall of the ball groove 20 of every group semi-annular distribution, horizontal oil guide hole 6 and arc oil guide hole 29 form the net shape oil circuit and distribute inside outer liner 7, when refueling, add lubricating oil in oil hole 8 and the oil hole 24 of making a bet through making a bet upward, lubricating oil can distribute in each ball 13 department along the net shape oil circuit fast, and then accelerated the lubricated efficiency of refueling, the ball mechanism that is located the below, the arc oil guide hole 29 that is close to the oil hole 24 of making a bet is linked together with the oil hole 24 of making a bet.

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 both in a T shape, the two top ends of the lower bearing bush 15 are both welded with connecting strips 23 in the T shape, and the connecting strips 23 are respectively inserted into the connecting grooves 28 at corresponding positions.

Wherein, the intermediate position of ball 13 arc lateral wall is opened there is annular recess 21, the position welding that ball groove 20 one side inner wall is close to outer liner 7 has round head piece 19, the tip of round head piece 19 is pegged graft in recess 21, so at later stage ball 13 pivoted in-process, round head piece 19 can provide fixed direction for ball 13's rotation, this will reduce the bearing rotation that causes because of each ball 13 rotation direction difference and rotate the inhomogeneous problem of each part stress, and can guarantee the stability of bearing in the use.

The working principle is as follows: when in use, the connecting joint 9 is embedded in the track groove of the outer liner 7, so that the inner liner 3 and the outer liner 7 cannot be disjointed in the process of relative rotation in the later period, and the outer wall of the ball 13 is provided with a groove, so that the round head block 19 can provide a fixed direction for the rotation of the ball 13 in the process of rotation of the ball 13 in the later period, the problem of uneven stress of each part of the bearing in rotation caused by different rotation directions of the ball 13 can be reduced, the stability of the bearing in use can be ensured, the transverse oil guiding holes 6 and the arc oil guiding holes 29 form a grid-shaped oil path to be distributed in the outer liner 7, when in oiling, lubricating oil can be rapidly distributed at each ball 13 along the grid-shaped oil path by adding the lubricating oil into the upward oil filling hole 8 and the downward oil filling hole 24, the efficiency of oiling and lubricating oil can be accelerated, and redundant lubricating oil at the ball 13 can reach the interior of the bearing through the shaft oil feeding hole 2, and then oil is given to the axle, reduces the frictional resistance that the axle received in the rotation process, because thrust block 10 inlays in thrust groove 27, so can strengthen the position of upper bearing shell 11 and lower bearing shell 15, further prevent that the bearing from because of axial or radial motion excursion position, and then realize the purpose of thrust.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A thrust ball bearing comprises an upper shaft seat flap (5) and a lower shaft seat flap (16), and is characterized in that 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, ball mechanisms are respectively arranged on the arc inner side walls of the upper bearing bush (11) and the lower bearing bush (15), one ends of the upper shaft seat flap (5) and the lower shaft seat flap (16) are hinged through hinges, the movable ends of the upper shaft seat flap (5) and the lower shaft seat flap (16) are respectively and 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, the arc outer side wall of the bottom of the lower shaft seat flap (16) is fixedly connected with a base (17), and the outer wall of the bottom of the base (17) is fixedly connected with a fixing plate (1), the outer wall of the top of the fixing plate (1) is provided with counter bores (30) near the four corners.

2. A thrust ball bearing according to claim 1, wherein the ball mechanism comprises an outer liner (7) and an inner liner (3), the arc-shaped outer side wall of the outer liner (7) is welded with the arc-shaped inner side wall of the upper bearing shell (11), the arc-shaped inner side wall of the outer liner (7) is provided with two groups of semi-annularly distributed hemispherical ball grooves (20), 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).

3. The thrust ball bearing according to claim 2, wherein the arc-shaped outer side wall of the ball shoe (14) is provided with a plurality of bead holes (22) distributed in a semi-annular shape, 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 oil feeding holes (2), two groups of end posts (18) distributed in a semi-annular shape at equal intervals are welded at the middle positions of the arc-shaped outer side wall of the inner liner (3), the end parts of the end posts (18) are all welded with connecting bulbs (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 both in an omega shape, and the connecting bulbs (9) are inserted into the track grooves.

4. A thrust ball bearing according to claim 3, wherein the outer side walls of the two ends of the inner liner (3) are welded with semicircular flanging sheets (4), the two ends of the outer liner (7) are welded with semicircular cambered sheets (12), and the outer walls of the two opposite sides of the flanging sheets (4) are respectively contacted with the cambered side surfaces of the two cambered sheets (12).

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

6. An anti-thrust ball bearing according to claim 4, characterized in that the upper bearing shell (11), the top of the outer gasket (7) of the upper ball mechanism and the top of the upper bearing seat flap (5) are provided with communicated upper oil injection holes (8), and the arc-shaped outer side walls of the lower bearing shell (15), the outer gasket (7) of the lower ball mechanism and the lower bearing seat flap (16) close to the top ends are provided with communicated lower oil injection holes (24).

7. A thrust ball bearing according to claim 6, wherein the inner side walls of 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 hole which is positioned at the upper part of the ball mechanism and is close to the top is communicated with the bottom end of the upper oil injection hole (8), the inner side wall of each group of semi-annularly distributed ball grooves (20) is provided with communicated arc oil guiding holes (29), and the arc oil guiding hole (29) which is positioned at the lower part of the ball mechanism and is close to the lower oil injection hole (24) is communicated with the lower oil injection hole (24).

8. A thrust ball bearing according to claim 7, wherein the two bottom ends of the upper bearing shell (11) are respectively provided with a connecting groove (28), the end surface structures of the connecting grooves (28) are both T-shaped, the two top ends of the lower bearing shell (15) are respectively welded with a T-shaped connecting strip (23), and the connecting strips (23) are respectively inserted into the connecting grooves (28) at corresponding positions.

9. A thrust ball bearing according to claim 8, wherein the ball (13) is provided with an annular groove (21) at the middle of the arc-shaped outer side wall, 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).