CN219119663U

CN219119663U - Double-row tapered roller bearing with high stability

Info

Publication number: CN219119663U
Application number: CN202223205897.0U
Authority: CN
Inventors: 孙功县; 孙功世; 王传智; 王圣国; 崔兴国; 张方勇
Original assignee: Wafangdian Taipraseodymium Bearing Manufacturing Co ltd
Current assignee: Song Meirong
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-02
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a double-row tapered roller bearing with high stability, which belongs to the technical field of bearings and comprises a lower bearing seat, wherein the upper surface of the lower bearing seat is movably connected with an upper bearing seat, the upper surface of the upper bearing seat is provided with two step holes, the inner walls of the two step holes are respectively lapped with bolts, a groove is formed in the upper bearing seat, the inner wall of the groove is slidably connected with a clamping block, the side surfaces of the clamping blocks are lapped with springs, the other ends of the springs are lapped on the side surfaces of the inner wall of the groove, two clamping blocks are respectively lapped on the upper surfaces of two bolts, the upper surfaces of the two clamping blocks are respectively provided with inclined surfaces, the lower bearing seat and the upper bearing seat are connected through the step holes and the bolts, and the clamping blocks are pushed by the springs to be clamped on the upper surfaces of the bolts, so that the bolts are prevented from loosening under the influence of mechanical vibration, and the stability of a double-row tapered roller bearing body is improved.

Description

Double-row tapered roller bearing with high stability

Technical Field

The utility model relates to the technical field of bearings, in particular to a double-row tapered roller bearing with high stability.

Background

The double-row tapered roller bearing can bear radial and axial combined loads mainly based on radial loads and can bear bidirectional axial loads, and a spacer is arranged between two inner rings of the bearing, so that the purpose of adjusting play can be achieved by changing the thickness of the spacer, and the loads are uniformly distributed.

Besides the structure of the double-row tapered roller bearing, the factors influencing the stability of the double-row tapered roller bearing also comprise the support for the bearing, the inner supporting point of the double-row tapered roller bearing is a shaft, the outer support is a bearing seat which is commonly called, the existing bearing seat is formed by combining a lower seat and an upper seat, the lower seat and the upper seat are usually fixedly connected by bolts, but the hidden danger of looseness exists under the resonance influence of mechanical vibration generated by mechanical operation of common bolts, so that the stability of the double-row tapered roller bearing in operation is influenced.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects existing in the prior art, the utility model aims to provide the double-row tapered roller bearing with high stability, which has the characteristic of improving the working stability of the double-row tapered roller bearing.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a double-row tapered roller bearing with high stability, which comprises a lower bearing seat, wherein the upper surface of the lower bearing seat is movably connected with an upper bearing seat, the upper surface of the upper bearing seat is provided with two step holes, the inner walls of the two step holes are respectively lapped with bolts, the upper bearing seat is internally provided with a groove, the inner wall of the groove is slidably connected with a clamping block, the side surface of the clamping block is lapped with a spring, the other end of the spring is lapped on the side surface of the inner wall of the groove, two clamping blocks are respectively lapped on the upper surfaces of the two bolts, the upper surfaces of the two clamping blocks are respectively provided with inclined surfaces, the inner walls of the lower bearing seat and the upper bearing seat are respectively provided with a limiting groove, and the inner walls of the limiting groove are clamped with a double-row tapered roller bearing body.

When the double-row tapered roller bearing with high stability is used, the stepped hole and the bolt are arranged, so that the lower bearing seat and the upper bearing seat are connected, the clamping block is pushed by the spring and is clamped on the upper surface of the bolt, the bolt is prevented from loosening under the influence of mechanical vibration, and the stability of the double-row tapered roller bearing body is improved.

Further, the upper surface of the lower bearing seat is fixedly connected with a plurality of positioning columns, the lower surface of the upper bearing seat is provided with a plurality of positioning holes, and a plurality of positioning holes correspond to the positioning columns.

Further, two clamping grooves are formed in the inner walls of the lower bearing seat and the upper bearing seat, the two clamping grooves are respectively formed in two sides of the limiting groove, and the inner walls of the two clamping grooves are respectively lapped with a dust-proof ring.

Further, two oiling holes are formed in the upper bearing seat.

Further, mounting holes are formed in two sides of the lower bearing seat.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. according to the double-row tapered roller bearing with high stability, the stepped hole and the bolt are arranged, so that the lower bearing seat and the upper bearing seat are connected, the clamping block is pushed by the spring, and is clamped on the upper surface of the bolt, so that the bolt is prevented from loosening under the influence of mechanical vibration, and the stability of the double-row tapered roller bearing body is improved;

2. according to the double-row tapered roller bearing with high stability, under the action of the two inclined planes, the bolt drives the clamping block to compress the spring, so that the bolt is conveniently installed in the threaded hole and the step hole, and the positioning column and the positioning hole are arranged, so that the positioning is convenient when the lower bearing seat and the upper bearing seat are installed, and the installation precision is improved;

3. this high biserial tapered roller bearing of stability is through setting up draw-in groove and dust collar to reduce the dust and get into and lead to the coefficient of friction increase of biserial tapered roller bearing body, through setting up the tank filler neck, thereby be convenient for add lubricating oil to biserial tapered roller bearing body, improve its life, through setting up the mounting hole, thereby be convenient for install the lower bearing frame on equipment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is a schematic rear view of the present utility model.

The marks in the drawings are:

1. a lower bearing seat; 2. an upper bearing seat; 3. a step hole; 4. a bolt; 5. a groove; 6. a clamping block; 7. a spring; 8. a threaded hole; 9. a limit groove; 10. a double-row tapered roller bearing body; 11. positioning columns; 12. positioning holes; 13. a clamping groove; 14. a dust-proof ring; 15. a fuel filler hole; 16. and (5) mounting holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a high biserial tapered roller bearing of stability, including bearing housing 1, bearing housing 1 upper surface swing joint has bearing housing 2, two step holes 3 have been seted up to bearing housing 2 upper surface, two step hole 3 inner walls all overlap joint have bolt 4, the inside recess 5 of seting up of bearing housing 2, recess 5 inner wall sliding connection has fixture block 6, fixture block 6 side overlap joint has spring 7, the overlap joint of spring 7 other end is in recess 5 inner wall sides, fixture block 6 is total two, two fixture block 6 overlap joint respectively at two bolt 4 upper surfaces, two fixture block 6 upper surfaces all are provided with the inclined plane, spacing groove 9 has all been seted up to bearing housing 1 and bearing housing 2 inner wall, spacing groove 9 inner wall joint has biserial tapered roller bearing body 10, through setting up step hole 3 and bolt 4, thereby be connected bearing housing 1 and bearing housing 2, promote fixture block 6 through spring 7, thereby prevent that bolt 4 from loosening under mechanical vibration's influence, thereby improve tapered roller bearing body 10's stability, under the effect of two inclined planes, can make 4 drive fixture block 7 with spring 7, thereby install step 7 at the convenient hole of 8 with the compression of bolt 4 at the step hole of hole 3.

Specifically, the upper surface of the lower bearing seat 1 is fixedly connected with a plurality of positioning columns 11, the lower surface of the upper bearing seat 2 is provided with a plurality of positioning holes 12, and the positioning holes 12 correspond to the positioning columns 11.

Through adopting above-mentioned technical scheme, through setting up reference column 11 and locating hole 12 to be convenient for fix a position when bearing frame 1 and bolster bearing housing 2 installation, improve the installation accuracy.

Specifically, two clamping grooves 13 are formed in the inner walls of the lower bearing seat 1 and the upper bearing seat 2, the two clamping grooves 13 are respectively formed in two sides of the limiting groove 9, and dust-proof rings 14 are lapped on the inner walls of the two clamping grooves 13.

By adopting the technical scheme, through setting up draw-in groove 13 and dust collar 14 to reduce the dust and get into and lead to the coefficient of friction increase of biserial tapered roller bearing body 10.

Specifically, two oil filling holes 15 are formed in the upper bearing seat 2.

Through adopting above-mentioned technical scheme, through setting up tank filler hole 15 to be convenient for add lubricating oil to biserial tapered roller bearing body 10, improve its life.

Specifically, the two sides of the lower bearing seat 1 are provided with mounting holes 16.

By adopting the above technical scheme, the lower bearing seat 1 is convenient to install on equipment by arranging the mounting holes 16.

The working principle of the utility model is as follows: during the use, install the bearing housing 1 on the equipment of using under the effect of mounting hole 16, then, place biserial tapered roller bearing body 10 and dust ring 14 in spacing groove 9 and draw-in groove 13 respectively, place bearing housing 2 under the effect of reference column 11 and locating hole 12, be connected bearing housing 1 and bearing housing 2 through bolt 4, through the continuous downward movement of bolt 4, move the inclined plane through bolt 4 pressure, compress spring 7, make bolt 4 remove step hole 3 bottom, at this moment, spring 7 promotes fixture block 6 and removes, with fixture block 6 joint at bolt 4 upper surface, prevent bolt 4 become flexible under the influence of mechanical vibration, improve biserial tapered roller bearing body 10's stability, under the effect of dust ring 14, reduce the dust and get into and lead to the coefficient of friction increase of biserial tapered roller bearing body 10, under the effect of oil filler hole 15, add lubricating oil to biserial tapered roller bearing body 10, improve its life.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a high biserial tapered roller bearing of stability, includes bolster bearing housing (1), its characterized in that: the utility model discloses a tapered roller bearing, including bearing frame (1), bearing frame (2) upper surface swing joint has bolster bearing housing (2), two step hole (3) have been seted up to bolster bearing housing (2) upper surface, two step hole (3) inner wall all overlap joint has bolt (4), inside recess (5) of seting up of bolster bearing housing (2), recess (5) inner wall sliding connection has fixture block (6), fixture block (6) side overlap joint has spring (7), spring (7) other end overlap joint is in recess (5) inner wall side, fixture block (6) share two, two fixture block (6) overlap joint respectively at two bolt (4) upper surfaces, two fixture block (6) upper surface all is provided with the inclined plane, spacing groove (9) have all been seted up to hypoid bearing frame (1) and bolster bearing housing (2) inner wall, spacing groove (9) inner wall joint has tapered roller bearing body (10).

2. A high stability double row tapered roller bearing as claimed in claim 1 wherein: the upper surface of the lower bearing seat (1) is fixedly connected with a plurality of positioning columns (11), a plurality of positioning holes (12) are formed in the lower surface of the upper bearing seat (2), and the positioning holes (12) correspond to the positioning columns (11).

3. A high stability double row tapered roller bearing as claimed in claim 1 wherein: two clamping grooves (13) are formed in the inner walls of the lower bearing seat (1) and the upper bearing seat (2), the two clamping grooves (13) are respectively arranged on two sides of the limiting groove (9), and dust-proof rings (14) are lapped on the inner walls of the two clamping grooves (13).

4. A high stability double row tapered roller bearing as claimed in claim 1 wherein: two oil filling holes (15) are formed in the upper bearing seat (2).

5. A high stability double row tapered roller bearing as claimed in claim 1 wherein: mounting holes (16) are formed in two sides of the lower bearing seat (1).