CN220470486U

CN220470486U - Novel retainer of four-row cylindrical roller bearing

Info

Publication number: CN220470486U
Application number: CN202321464769.XU
Authority: CN
Inventors: 陈延昌; 孙作鹏
Original assignee: WAFANGDIAN GUANGYANG BEARING GROUP CO Ltd
Current assignee: WAFANGDIAN GUANGYANG BEARING GROUP CO Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-02-09
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to the technical field of bearing retainers, and discloses a novel retainer for a four-row cylindrical roller bearing, which comprises two bearing outer rings, wherein the two bearing outer rings are uniformly divided into a left raceway and a right raceway, a bearing inner ring is arranged on the inner side of the circumference of the bearing outer ring, a middle retainer ring is fixedly arranged between the two bearing outer rings, an outer retainer ring is fixedly arranged on one side, far away from the middle retainer ring, of the two bearing outer rings, a retainer seat is arranged between the bearing outer rings and the bearing inner rings and is positioned at the corresponding position of the two raceways, and pockets are distributed in a circumferential array at the positions, opposite to the raceways, of the two sides of the retainer seat. According to the utility model, the elastic cylindrical pins are adopted for connection, so that the problems that the rivet hole is overlong, the drilling process difficulty is increased, the precision is difficult to ensure and rivet welding is required due to the pocket Kong Guochang in rivet connection are avoided, meanwhile, the bearing capacity is greatly enhanced, the assembly process is reduced, and the bearing is safe and reliable in use.

Description

Novel retainer of four-row cylindrical roller bearing

Technical Field

The utility model belongs to the technical field of bearing retainers, and particularly relates to a novel retainer for a four-row cylindrical roller bearing.

Background

The bearing is mainly used for rolling mill bearings of heavy machinery, can bear larger radial load and impact load, has high processing precision, is suitable for high rotating speed, and can achieve larger load capacity in limited space so as to bear heavy load. The outer ring, the roller and the retainer are outer components, the inner ring is interchangeable, and the movable retainer ring is convenient to install.

The novel retainer of traditional four-row cylindrical roller bearing adopts rivet connection retainer seat and retainer lid generally, but this kind of connected mode, if the pocket Kong Guochang, then rivet hole overlength has increaseed the drilling technology degree of difficulty, and the precision is also difficult to guarantee to need the rivet welding, the assembly is troublesome laborious, is unfavorable for production efficiency's promotion.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the novel retainer comprises bearing outer rings, wherein two bearing outer rings are arranged and are uniformly divided into left and right two raceways, bearing inner rings are arranged on the inner sides of the circumferences of the bearing outer rings, middle check rings are fixedly arranged between the two bearing outer rings, outer check rings are fixedly arranged on one sides, far away from the middle check rings, of the two bearing outer rings, retainer seats are arranged between the bearing outer rings and the bearing inner rings and positioned at positions corresponding to the two raceways, pockets are distributed in a circumferential array manner on the two sides of the retainer seats and are positioned between the inner walls of the raceways, and rollers are rotatably arranged in the pockets;

a clamping groove is formed in one end of the circumferential outer wall of the retainer seat, and the clamping groove is in a circular ring shape;

a retainer cover is sleeved between the inner walls of the clamping grooves, and is annular;

the retainer cover and the elastic cylindrical pins are radially provided with cylindrical pin holes between two adjacent pockets, and elastic cylindrical pins are embedded into each cylindrical pin hole.

As a preferable implementation mode of the utility model, the radial middle positions of the bearing outer ring and the middle retainer ring are respectively provided with an oil hole, and at least one oil hole is arranged.

Compared with the prior art, the utility model has the following beneficial effects:

adopt elasticity cylindric lock to connect, when having avoided rivet connection, owing to the pocket Kong Guochang, lead to rivet hole overlength, increase drilling technology degree of difficulty, the precision is difficult to guarantee, and need the problem of rivet welding, simultaneously, owing to keep frame foundation and keep the frame lid and need not connect with riveted mode, there is not the rivet joint, the integration of keeping the frame is better, can use the longer roller of length like this in limited space, owing to radial connection, do not have the existence of rivet hole on the keeping frame seat roof beam, alright reduce the roof beam width in order to hold more rollers, roller length can increase like this, roller quantity can increase, bearing capacity also can obtain strengthening by a wide margin, and reduce assembly processes, safety, reliability when the bearing is used.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is an enlarged view of fig. 2 a of a schematic diagram of the present utility model.

In the figure: 1. a bearing outer ring; 2. a bearing inner ring; 3. a roller; 4. a middle retainer ring; 5. an outer retainer ring; 6. a holder base; 7. a holder cover; 8. an elastic cylindrical pin; 9. a cylindrical pin hole; 10. a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

The utility model provides a novel holder of four-row cylindrical roller bearing, as shown in fig. 1-3, including bearing outer lane 1, bearing outer lane 1 is provided with two, two bearing outer lanes 1 divide into two rollaway from about, bearing outer lane 1 circumference inboard is provided with bearing inner circle 2, fixed mounting has well retaining ring 4 between two bearing outer lanes 1, and two bearing outer lanes 1 keep away from well retaining ring 4 one side and all fixed mounting have outer retaining ring 5, be located two rollaway joints between bearing outer lane 1 and the bearing inner lane 2 and correspond position department and be provided with holder seat 6, holder seat 6 both sides are circumference array distribution with rollaway from the rollaway joint position department and are provided with the pocket, and be located in the pocket and rotate between the rollaway nest inner wall and install roller 3. The radial middle positions of the bearing outer ring 1 and the middle retainer ring 4 are provided with oil holes. A clamping groove 10 is formed in one end of the circumferential outer wall of the retainer seat 6, and the clamping groove 10 is in a circular ring shape. A retainer cover 7 is sleeved between the inner walls of the clamping grooves 10, and the retainer cover 7 is circular. The retainer cover 7 and the elastic cylindrical pins 8 are radially provided with cylindrical pin holes 9 between two adjacent pockets, and the elastic cylindrical pins 8 are embedded into each cylindrical pin hole 9, so that the bearing capacity is greatly enhanced, the assembly process is reduced, and the bearing is safe and reliable in use.

Working principle: because the retainer seat 6 and the retainer cover 7 are not connected in a riveted mode, no rivet joint exists, the retainer is better in integrity, rollers with longer lengths can be used in a limited space, the beam width can be reduced to accommodate more rollers 3 due to the fact that rivet holes exist on the beams of the retainer seat 6 in radial connection, the length of the rollers 3 can be increased, the number of the rollers 3 can be increased, the bearing capacity can be greatly enhanced, assembly procedures are reduced, and the bearing is safe and reliable in use.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The novel retainer for the four-row cylindrical roller bearing comprises bearing outer rings (1), and is characterized in that the two bearing outer rings (1) are arranged, the two bearing outer rings (1) are uniformly divided into left and right two raceways, a bearing inner ring (2) is arranged on the inner side of the circumference of the bearing outer ring (1), a middle retainer ring (4) is fixedly arranged between the two bearing outer rings (1), an outer retainer ring (5) is fixedly arranged on one side, away from the middle retainer ring (4), of the two bearing outer rings (1), retainer seats (6) are arranged between the bearing outer rings (1) and the bearing inner rings (2) at positions corresponding to the two raceways, pocket holes are distributed in a circumferential array at positions opposite to the raceways, and rollers (3) are rotatably arranged in the pocket holes and between the inner walls of the raceways;

a clamping groove (10) is formed in one end of the circumferential outer wall of the retainer seat (6), and the clamping groove (10) is in a circular ring shape;

a retainer cover (7) is sleeved between the inner walls of the clamping grooves (10), and the retainer cover (7) is in a circular ring shape;

cylindrical pin holes (9) are radially drilled between two adjacent pockets on the retainer cover (7) and the elastic cylindrical pins (8), and the elastic cylindrical pins (8) are embedded in each cylindrical pin hole (9).

2. The novel retainer for the four-row cylindrical roller bearing according to claim 1, wherein oil holes are formed in the radial intermediate positions of the outer ring (1) and the intermediate retainer ring (4) of the bearing.