CN218882799U

CN218882799U - Double-row tapered roller bearing

Info

Publication number: CN218882799U
Application number: CN202320013592.5U
Authority: CN
Inventors: 李官发
Original assignee: Yingtan Fuzhong Hardware Products Group Co ltd
Current assignee: Yingtan Fuzhong Hardware Products Group Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-04-18
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a double-row tapered roller bearing, including the bearing body, the bearing body is provided with inner circle and outer lane, the outer lane sets up the outside at the inner circle, the surface of inner circle is provided with roller mounting structure, roller mounting structure includes fixed journal ring, the support column, roller and arc journal ring, the middle part fixedly connected with fixed journal ring of inner circle, both ends symmetry is provided with the support column about fixed journal ring, the roller has been cup jointed in the surface slip of support column, the left side surface and the right side surface sliding connection of inner circle have arc journal ring, the inside connection structure that is provided with of roller mounting structure, this double-row tapered roller bearing sets up the roller into split type, thirty rollers divide into two, and install fixedly through thirty roller mounting structure of group and connection structure respectively, it can change to have the accurate dismantlement of roller that guarantees to wear, remain the intact normal use's of roller, the advantage of resource saving stop extravagant has.

Description

Double-row tapered roller bearing

Technical Field

The utility model relates to a bearing field specifically is a double-row tapered roller bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

The tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers. The single-row tapered roller bearing can bear radial load and single-direction axial load. When the bearing is subjected to a radial load, an axial component will be generated, so that another bearing capable of bearing an opposite axial force is required for balancing.

At present, the roller that current tapered roller bearing set up is fixed with the inner circle, when the bearing was used for a long time, takes place roller wearing and tearing easily, leads to the bearing can not smooth rotation, simultaneously because the fixity of roller, is difficult to change its dismantlement, need change whole bearing, can cause the phenomenon of wasting of resources to a great extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-row tapered roller bearing to solve the inside roller of bearing and can not dismantle the problem of changing to wearing and tearing roller when wearing and tearing

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-row tapered roller bearing, includes the bearing body, the bearing body is provided with inner circle and outer lane, the outer lane sets up the outside at the inner circle, the surface of inner circle is provided with roller mounting structure, roller mounting structure includes fixed braced ring, support column, roller and arc braced ring, the middle part fixedly connected with fixed braced ring of inner circle, both ends symmetry is provided with the support column about fixed braced ring, the surface slip of support column has cup jointed the roller, the left side surface and the right side surface slip connection of inner circle have the arc braced ring, the inside connection structure that is provided with of roller mounting structure, connection structure includes fixture block, draw-in groove, bolt and circular recess, there is the bolt in the inside of arc braced ring and support column through threaded connection, the surface of arc braced ring is provided with the circular recess, the bolt is located the inside of circular recess.

Preferably, the support columns, the rollers and the arc support rings are arranged in two rows and are respectively positioned on the left side and the right side of the inner ring, and the two rows of rollers are arranged to increase the mutual rotating speed of the bearing body.

Preferably, the support columns, the rollers and the arc-shaped support rings are arranged in thirty groups in total, fifteen groups are arranged in each row, and the rollers are respectively installed through the arrangement of the separated fifteen rollers and the like, so that the rollers can be accurately disassembled from the worn rollers, and the effect of remaining intact rollers is reserved.

Preferably, the lower extreme fixedly connected with fixture block of arc braced ring, the surface of inner circle is provided with the draw-in groove, fixture block and draw-in groove joint have the effect with the preliminary joint of arc braced ring at the inner circle surface through the joint of fixture block and draw-in groove.

Preferably, the clamping block is a square block, the clamping groove is a square groove, and the clamping stability of the clamping block is guaranteed by the square clamping block and the clamping groove.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up the roller into dismantling, thirty rollers install fixedly through roller mounting structure and connection structure respectively simultaneously, have and install fixed roller respectively, guarantee can not dismantle other intact rollers with the accurate purpose of dismantling the change of a certain wearing and tearing roller, have resources are saved, stop the purpose of wasting of resources.

2. The utility model discloses a setting of the inside bolt of connection structure has the effect to roller installation, support, fixed, makes it restricted on the surface of support column, nevertheless can realize the pivoted purpose.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

fig. 3 is an enlarged view of fig. 1 at a.

The reference numbers in the figures illustrate:

the bearing comprises a bearing body 1, an inner ring 2, an outer ring 3, a roller mounting structure 4, a fixed support ring 5, a support column 6, a roller 7, an arc support ring 8, a connecting structure 9, a fixture block 10, a clamping groove 11, a bolt 12 and a circular groove 13.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1

Referring to fig. 1-3, a double-row tapered roller bearing shown in the figure comprises a bearing body 1, the bearing body 1 is provided with an inner ring 2 and an outer ring 3, the outer ring 3 is arranged on the outer side of the inner ring 2, a roller mounting structure 4 is arranged on the outer surface of the inner ring 2, the roller mounting structure 4 comprises a fixed support ring 5, support pillars 6, rollers 7 and an arc support ring 8, the fixed support ring 5 is fixedly connected to the middle part of the inner ring 2, the fixed support ring 5 has a function of supporting the support pillars 6, so that the rollers 7 can rotate on the surfaces of the support pillars 6, the support pillars 6 are symmetrically arranged at the left end and the right end of the fixed support ring 5, the support pillars 6 have a function of supporting the rollers 7, the rollers 7 are slidably sleeved on the outer surfaces of the support pillars 6, and the rollers 7 have a function of increasing the mutual rotation smoothness of the inner ring 2 and the outer ring 3, there are arc braced ring 8 left side surface and right side surface sliding connection of inner circle 2, arc braced ring 8 has the effect of supporting fixedly to support column 6 and roller 7, roller mounting structure 4 is inside to be provided with connection structure 9, connection structure 9 includes fixture block 10, draw-in groove 11, bolt 12 and circular recess 13, there is bolt 12 arc braced ring 8 and the inside of support column 6 through threaded connection, threaded connection through bolt 12, not only have and install arc braced ring 8, the effect of restricting roller 7 position, still have the rigidity of roller 7, make its effect that can only rotate, arc braced ring 8's surface is provided with circular recess 13, bolt 12 is located the inside of circular recess 13, through the setting of circular recess 13, the head that has hidden bolt 12, prevent its outstanding inner circle 2, influence the effect that bearing body 1 used.

In order to guarantee to dismantle the change with the roller 7 of certain wearing and tearing accurately, set up roller 7 into split type, and connect fixedly through roller mounting structure 4 and connection structure 9, roller mounting structure 4 includes fixed braced ring 5, support column 6, roller 7 and arc braced ring 8, and connection structure 9 includes fixture block 10, draw-in groove 11, bolt 12 and circular recess 13.

In this embodiment, through the arrangement of thirty groups of support columns 6, arc braced rings 8 and bolts 12 inside roller mounting structure 4 and connection structure 9, not only have and support fixed effect to roller 7, still have and install thirty rollers 7 respectively to when guaranteeing wherein certain roller 7 wearing and tearing, can accurate dismantlement change, remain other intact rollers 7 normal use simultaneously.

Example 2

In order to fix the roller 7 firmly, a connecting structure 9 is provided, and the connecting structure 9 comprises a clamping block 10, a clamping groove 11, a bolt 12 and a circular groove 13.

In this embodiment, fixture block 10 sets up to square, has the effect with arc braced ring 8 joint on 2 surfaces of inner circle, and threaded connection through bolt 12 has simultaneously fixes arc braced ring 8 firmly on 2 surfaces of inner circle, the terminal effect of support column 6 for arc braced ring 8 has restriction roller 7 position, makes it can only be at support column 6 surface pivoted effect.

This double-row tapered roller bearing is when using, if a certain roller 7 wearing and tearing appear, when influencing whole bearing body 1 and using, need dismantle the roller 7 of this wearing and tearing and change, find wearing and tearing roller 7, dismantle its corresponding bolt 12, then take off bolt 12, upward movement arc braced ring 8, arc braced ring 8 does not have any limiting displacement to roller 7 this moment, directly outwards remove roller 7, make it break away from support column 6, can realize accurate dismantlement wearing and tearing roller 7, carry out the purpose of changing to it, when dismantling this wearing and tearing roller 7 simultaneously, can not influence other rollers 7, it remains intact roller 7 and uses to have the reservation, realize resources are saved, stop the effect of the purpose of wasting resources, do benefit to the use.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A double-row tapered roller bearing, includes bearing body (1), its characterized in that: bearing body (1) is provided with inner circle (2) and outer lane (3), outer lane (3) set up the outside at inner circle (2), the surface of inner circle (2) is provided with roller mounting structure (4), roller mounting structure (4) are including fixed braced ring (5), support column (6), roller (7) and arc braced ring (8), the middle part fixedly connected with fixed braced ring (5) of inner circle (2), both ends symmetry is provided with support column (6) about fixed braced ring (5), roller (7) have been cup jointed in the surface slip of support column (6), the left side surface and the right side surface sliding connection of inner circle (2) have arc braced ring (8), roller mounting structure (4) inside is provided with connection structure (9), connection structure (9) include fixture block (10), draw-in groove (11), bolt (12) and circular recess (13), there are bolt (12) arc braced ring (8) and the inside of support column (6) through threaded connection, the surface of arc braced ring (8) is provided with circular recess (13), bolt (12) are located the circular recess (13).

2. The double-row tapered roller bearing according to claim 1, characterized in that: the supporting columns (6), the rollers (7) and the arc-shaped supporting rings (8) are provided with two rows which are respectively positioned at the left side and the right side of the inner ring (2).

3. The double-row tapered roller bearing according to claim 1, characterized in that: the supporting columns (6), the rollers (7) and the arc-shaped supporting rings (8) are all thirty, and fifteen are arranged in each row.

4. The double-row tapered roller bearing according to claim 1, characterized in that: the lower end of the arc-shaped support ring (8) is fixedly connected with a clamping block (10), a clamping groove (11) is formed in the surface of the inner ring (2), and the clamping block (10) is connected with the clamping groove (11) in a clamped mode.

5. The double row tapered roller bearing according to claim 1, wherein: the clamping block (10) is a square block, and the clamping groove (11) is a square groove.