CN215058890U

CN215058890U - Double-row conical rolling bearing

Info

Publication number: CN215058890U
Application number: CN202120515698.6U
Authority: CN
Inventors: 栾景全
Original assignee: Wafangdian General Rolling Mill Bearing Manufacturing Co ltd
Current assignee: Wafangdian General Rolling Mill Bearing Manufacturing Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-07
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a double-row tapered rolling bearing, including the inner circle, outer lane and tapered roller, the inner circle outside is equipped with the holder, the outer lane is still supported and installed in the inner circle outside, the outer lane all is equipped with the mounting groove with the inner circle inner wall, the inboard roll connection of mounting groove has tapered roller, spherical groove has been seted up in the tapered roller outside, spherical inslot wall rotates and is connected with the steel ring, the outer lane inner wall still is equipped with stable post, stable post is supported and is pressed in the tapered roller outside, spherical inslot wall rotates and is connected with the steel ring, when following tapered roller and rolling, the steel ring can be used for injecing its rotational position, and keep in contact with holder and outer lane, can share tapered roller load, extension tapered roller life.

Description

Double-row conical rolling bearing

Technical Field

The utility model relates to the technical field of bearings, specifically a double-row tapered rolling bearing.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision, the types of the bearings are more, and the bearings can be divided into a cylindrical rolling bearing, a conical rolling bearing, a needle bearing and the like, the conical bearing is also divided into a double-row conical rolling bearing, when in use, when the bearing bears radial load, an axial component force is generated, so when another bearing capable of bearing the axial force in the opposite direction is needed for balancing;

when a general double-row tapered rolling bearing is used, when a retainer and rollers rub against each other, a wear phenomenon is likely to occur, the service life of the bearing is reduced, and the rollers are likely to deviate from rolling positions.

SUMMERY OF THE UTILITY MODEL

To the deficiency of prior art, disclose a biserial tapered rolling bearing, including inner circle, outer lane and tapered roller, its characterized in that: the outer side of the inner ring is provided with a retainer, the outer side of the inner ring is also provided with an outer ring in a matching manner, the inner walls of the outer ring and the inner ring are provided with mounting grooves, the inner sides of the mounting grooves are connected with tapered rollers in a rolling manner, spherical grooves are formed in the outer sides of the tapered rollers, the inner walls of the spherical grooves are connected with steel rings in a rotating manner, the inner wall of the outer ring is also provided with stabilizing columns, and the stabilizing columns are abutted against the outer sides of the tapered rollers.

Preferably, the outer side of the retainer is also provided with a through groove.

Preferably, the inner wall of the outer ring is also provided with a stabilizing column, the inner wall of the stabilizing column is provided with a moving cavity, the inner wall of the moving cavity is connected with steel balls in a rolling manner, and an elastic cushion is arranged between the steel balls and the moving cavity.

Preferably, the number of the spherical grooves arranged on the outer side of each conical roller is even, and the spherical grooves are symmetrically arranged about the central line of each conical roller.

Preferably, the stabilizing column is annularly arranged on the inner wall of the outer ring and is arranged in a central symmetry mode about the central axis of the outer ring.

The utility model discloses following beneficial effect has: the inner wall of the spherical groove is rotatably connected with a steel ring, when the conical roller rolls, the steel ring can be used for limiting the rotating position of the conical roller and keeps contact with the retainer and the outer ring, so that the load of the conical roller can be shared, and the service life of the conical roller is prolonged.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view at A;

FIG. 3 is an enlarged view at B;

in the figure: 1. the device comprises an inner ring, 2, an outer ring, 21, a stabilizing column, 22, a moving cavity, 23, steel balls, 24, an elastic cushion, 3, a tapered roller, 31, a spherical groove, 4, a retainer, 41, a through groove, 5, a mounting groove, 6 and a steel ring.

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.

Referring to fig. 1-3, a double row tapered rolling bearing comprises an inner ring 1, an outer ring 2 and tapered rollers 3, wherein a retainer 4 is arranged on the outer side of the inner ring 1, the outer ring 2 is also arranged on the outer side of the inner ring 1 in a matching manner, mounting grooves 5 are respectively arranged on the inner walls of the outer ring 2 and the inner ring 1, the tapered rollers 3 are connected on the inner sides of the mounting grooves 5 in a rolling manner, spherical grooves 31 are arranged on the outer sides of the tapered rollers 3, the inner walls of the spherical grooves 31 are rotatably connected with steel rings 6, stabilizing columns 21 are also arranged on the inner wall of the outer ring 2, the stabilizing columns 21 are pressed on the outer sides of the tapered rollers 3, when the bearing works, the tapered roller 3 can roll at the installation groove 5, the inner wall of the spherical groove 31 is rotationally connected with the steel ring 6, when the tapered roller 3 rolls, the steel ring 6 can be used for limiting the rotating position, and the bearing is kept in contact with the retainer 4 and the outer ring 2, so that the load of the tapered roller 3 is shared, and the service life of the tapered roller 3 is prolonged.

Specifically, the outer side of the retainer 4 is further provided with a through groove 41, and partial lubricating liquid can be stored in the through groove 41, so that the lubricating effect is achieved on the outer side of the tapered rollers 3, and the abrasion is reduced.

Specifically, the inner wall of the outer ring 2 is further provided with a stabilizing column 21, the inner wall of the stabilizing column 21 is provided with an action cavity 22, the inner wall of the action cavity 22 is connected with a steel ball 23 in a rolling manner, an elastic cushion 24 is arranged between the steel ball 23 and the action cavity 22, the steel ball 23 is connected in the stabilizing column 21 in a rolling manner, and under the elastic action of the elastic cushion 24, the steel ball 23 is always pushed to one side close to the tapered roller 3 to stabilize the position relation of the tapered roller 3.

Specifically, the spherical grooves 31 arranged on the outer side of the single tapered roller 3 are even in number and symmetrically arranged about the central line of the single tapered roller, so that uneven load and uneven hand movement are prevented.

Specifically, the stabilizing columns 21 are annularly arranged on the inner wall of the outer ring 2, and are arranged in a central symmetry manner and uniformly distributed manner about the central axis of the outer ring 2.

Example (b): when the bearing works, the tapered roller 3 can roll in the mounting groove 5, the inner wall of the spherical groove 31 is rotatably connected with the steel ring 6, when the tapered roller 3 rolls, the steel ring 6 can be used for limiting the rotating position of the tapered roller, and keeps in contact with the retainer 4 and the outer ring 2, so that the load of the tapered roller 3 can be shared, the service life of the tapered roller 3 is prolonged, partial lubricating liquid can be stored in the through groove 41, the lubricating effect is realized on the outer side of the tapered roller 3, the abrasion is reduced, the steel ball 23 is rotatably connected in the stabilizing column 21, and under the elastic action of the elastic cushion 24, the steel ball 23 is always pushed to one side close to the tapered roller 3, and the position relation of the tapered roller 3 is stabilized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-row tapered rolling bearing, includes inner circle (1), outer lane (2) and tapered roller (3), its characterized in that: the utility model discloses a ball-shaped groove, including inner circle (1), mounting groove (5), tapered roller (3), ball-shaped groove (31) have been seted up in tapered roller (3) outside, ball-shaped groove (31) inner wall rotates and is connected with steel ring (6), outer circle (2) inner wall still is equipped with stabilizing post (21), stabilizing post (21) are supported and are pressed in tapered roller (3) outside, inner circle (1) outside is equipped with holder (4), inner circle (1) outside is still supporting installs outer lane (2), outer lane (2) inner wall all is equipped with mounting groove (5), mounting groove (5) inboard roll connection has tapered roller (3).

2. The double row tapered rolling bearing according to claim 1, wherein: and a through groove (41) is also formed in the outer side of the retainer (4).

3. The double row tapered rolling bearing according to claim 2, wherein: the inner wall of the outer ring (2) is further provided with a stabilizing column (21), the inner wall of the stabilizing column (21) is provided with an action cavity (22), the inner wall of the action cavity (22) is connected with a steel ball (23) in a rolling manner, and an elastic cushion (24) is arranged between the steel ball (23) and the action cavity (22).

4. A double row tapered rolling bearing according to claim 3, wherein: the number of the spherical grooves (31) arranged on the outer side of each conical roller (3) is even, and the spherical grooves are symmetrically arranged around the central line of the conical rollers.

5. The double row tapered rolling bearing according to claim 4, wherein: the stabilizing column (21) is arranged on the inner wall of the outer ring (2) in a surrounding mode and is arranged in a central symmetry mode about the central axis of the outer ring (2).