Self-aligning roller bearing retainer

Abstract

The utility model discloses a self-aligning roller bearing retainer, which comprises a support ring, a first retainer, a second retainer and a second retainer, wherein the top and the bottom of the support ring are respectively provided with a first retainer; the movable mechanism comprises a movable groove which is formed in the middle of the supporting ring; an auxiliary mechanism is arranged outside the movable ring; the multiple connecting grooves are formed in the top and the bottom of the movable groove in two annular arrays correspondingly; the connecting plates are connected with inner cavities of the connecting grooves in a sliding manner; the second retaining bodies are fixed at one end of the connecting plate; the plurality of circular rings are respectively arranged above and below the movable groove; and the pressure springs are fixed on one side of the connecting plate. Through the arrangement mode that the movable mechanism is matched with the auxiliary mechanism, the second retainer and the first retainer can clamp the roller at the first time through the elasticity of the pressure spring, errors are reduced, and the stability of the roller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centering roller bearing cages, and particularly relates to a centering roller bearing cage. Background Art

[0002] The centering roller bearing has double-row rollers, with 1 common spherical raceway on the outer ring and 2 raceways on the inner ring which are inclined at an angle relative to the bearing axis. This ingenious structure endows it with self-aligning performance, so it is not easily affected by the angular error of the shaft and the bearing housing seat or the shaft bending. It is suitable for the occasions where installation error or shaft deflection causes angular error. This bearing can bear not only radial loads but also axial loads acting in both directions, and the cage is a frame structure for limiting the double-row rollers.

[0003] Application No. 202222054517.1 discloses a centering roller bearing cage, belonging to the technical field of bearing cages. It includes a support ring body, and a plurality of first retainers are fixedly connected to both the upper and lower surfaces of the support ring body. A cavity is opened inside the support ring body, and an annular plate is slidably connected inside the cavity. A plurality of second retainers are fixedly connected to both the upper and lower surfaces of the annular plate, and the positions of each second retainer correspond to those of each first retainer respectively. For this centering roller bearing cage, by setting screws, an annular plate and second retainers, first, the screws are screwed out of the threaded grooves. At this time, the annular plate is rotated by the screws, so that the gap between the second retainers and the first retainers is increased, which is convenient for the assembly operation of the rollers. However, when assembling the rollers with the above cage, after the rollers are arranged in the retainers, it is necessary to manually or use other equipment to push the second retainers against the first retainers, and the first retainers and the second retainers cannot clamp the rollers immediately, which easily causes errors in the fixed position of the second retainers and affects the stability of the rollers. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a centering roller bearing cage to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A centering roller bearing cage, comprising: a support ring, and first retainers are fixedly connected to the top and bottom of the support ring in a ring structure respectively;

[0006] An activity mechanism is arranged in the middle of the support ring, and the activity mechanism includes:

[0007] An activity groove, which is opened in the middle of the support ring;

[0008] An activity ring, which rotates in the inner cavity of the activity groove, and an auxiliary mechanism is arranged outside the activity ring;

[0009] A plurality of connecting grooves, and a plurality of the connecting grooves are respectively formed in two annular arrays at the top and bottom of the movable groove;

[0010] A plurality of connecting plates, and the connecting plates are slidably connected to the inner cavity of the connecting grooves;

[0011] A plurality of second retaining bodies, and the second retaining bodies are fixed to one end of the connecting plates;

[0012] A plurality of rings, and a plurality of the rings are respectively arranged above and below the movable groove;

[0013] A plurality of compression springs, and the compression springs are fixed to one side of the connecting plates.

[0014] Preferably, two opposite connecting grooves are staggeredly distributed at the top and bottom of the support ring, and two opposite connecting plates are staggeredly fixed to the top and bottom of the movable ring.

[0015] Preferably, the rings are slidably inserted through the middle parts of the plurality of connecting plates, and the plurality of compression springs are sleeved on the outer wall of the rings in an annular array.

[0016] Preferably, one end of the compression spring is fixed to one end of the inner wall of the adjacent connecting groove, and the second retaining body is arranged opposite to the adjacent first retaining body in the same plane.

[0017] Preferably, fixing rings are arranged above and below the support ring, and the two fixing rings are respectively fixedly connected to the opposite ends of the plurality of first retaining bodies.

[0018] Preferably, the auxiliary mechanism includes:

[0019] An auxiliary groove, which is formed in the outer wall of the support ring;

[0020] A plurality of fixing nails, and the plurality of fixing nails are slidably inserted through the inner wall of the auxiliary groove in an annular array, and the fixing nails are threadedly inserted through the outer wall of the movable ring;

[0021] A plurality of semi-circular plates, and the plurality of semi-circular plates form an annular structure and are clamped in the inner cavity of the auxiliary groove;

[0022] A plurality of clamping grooves, and the plurality of clamping grooves are respectively formed in the top and bottom of the inner wall of the auxiliary groove;

[0023] A plurality of elastic blocks, and the plurality of elastic blocks are respectively fixed to the top and bottom of the inner wall of the semi-circular plates in two annular arrays.

[0024] Preferably, the elastic blocks are movably clamped in the inner cavity of the clamping grooves, and the fixing nails are enclosed in the inner cavity of the auxiliary groove through the semi-circular plates.

[0025] The technical effects and advantages of the present utility model:

[0026] The utility model adopts a setting mode in which a movable mechanism and an auxiliary mechanism are coordinated, and utilizes the cooperation between the second retaining body and the first retaining body to facilitate the engagement of the roller, and through the elasticity of the compression spring, the second retaining body and the first retaining body can clamp the roller in the first time, so that there is no need to rely on manpower to support the movable second retaining body, and the auxiliary mechanism can fix the position of the movable ring, reduce errors, and improve the stability of the roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the overall structure of the rotating ring of the utility model.

[0029] Figure 3 It is a schematic diagram of the top cross-sectional structure of the connecting plate of the utility model.

[0030] In the figure: 1. support ring; 2. first retaining body; 3. movable mechanism; 31. movable groove; 32. movable ring; 33. connecting groove; 34. connecting plate; 35. second retaining body; 36. circular ring; 37. compression spring; 4. fixing ring; 5. auxiliary mechanism; 51. auxiliary groove; 52. fixing pin; 53. semi-ring plate; 54. slot; 55. spring block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model provides Figures 1-3 A spherical roller bearing cage shown includes: a support ring 1, the top and bottom of the support ring 1 are respectively annular structures fixedly connected to a first retaining body 2, and the first retaining body 2 is an arc plate structure;

[0033] Further, a movable mechanism 3 is provided in the middle of the support ring 1. The movable mechanism 3 includes: a movable groove 31, a movable ring 32, a plurality of connecting grooves 33, a plurality of connecting plates 34, a plurality of second holding bodies 35, a plurality of circular rings 36 and a plurality of compression springs 37. The movable groove 31 is opened in the middle of the support ring 1. The movable ring 32 rotates in the inner cavity of the movable groove 31. The plurality of connecting grooves 33 are respectively opened at the top and bottom of the movable groove 31 in two circular arrays. The opposite two connecting grooves 33 are staggered on the top and bottom of the support ring 1. The connecting plate 34 is slidably connected to the inner cavity of the connecting groove 33. The opposite two connecting plates 34 are fixedly connected to the top and bottom of the movable ring 32 in a staggered manner. The second holding body 35 is fixed to one end of the connecting plate 34. The second holding body 35 has an arc structure that cooperates with the first holding body 2. The second holding body 35 is arranged opposite to the adjacent first holding body 2 in the same plane, facilitating the roller to be restricted between the first holding body 2 and the second holding body 35. The plurality of circular rings 36 are respectively arranged above and below the movable groove 31. The compression spring 37 is fixed to one side of the connecting plate 34. The circular ring 36 is slidably inserted through the middle of the plurality of connecting plates 34. The plurality of compression springs 37 are sleeved on the outer wall of the circular ring 36 in a circular array. One end of the compression spring 37 is fixed to one end of the inner wall of the adjacent connecting groove 33. Through the elasticity of the compression spring 37, it is convenient to elastically push the connecting plate 34, enabling the connecting plate 34 to change its position elastically and enabling the movable ring 32 to rotate elastically, facilitating the first holding body 2 and the second holding body 35 to limit rollers of different sizes;

[0034] Further, fixing rings 4 are provided above and below the support ring 1. The two fixing rings 4 are respectively fixedly connected to the opposite ends of the plurality of first holding bodies 2. Through the fixing rings 4, it is convenient to limit the positions of the ends of the rollers, enabling the double-row rollers to be arranged between the two fixing rings 4;

[0035] Further, an auxiliary mechanism 5 is provided outside the movable ring 32. The auxiliary mechanism 5 includes: an auxiliary groove 51, a plurality of fixing pins 52, a plurality of semi-ring plates 53, a plurality of clamping grooves 54 and a plurality of elastic blocks 55. The auxiliary groove 51 is formed on the outer wall of the support ring 1. The auxiliary groove 51 is of an annular groove structure. The plurality of fixing pins 52 are slidably inserted into the inner wall of the auxiliary groove 51 in a circular array. The fixing pins 52 are threadedly inserted into the outer wall of the movable ring 32. Through the fixing pins 52, it is convenient to fix the movable ring 32 of the second holder 35 and the first holder 2 for pressing the rollers, so that the position of the movable ring 32 is stable. The plurality of semi-ring plates 53 form an annular structure and are clamped in the inner cavity of the auxiliary groove 51. The plurality of semi-ring plates 53 are two semi-ring plates 53, and the two semi-ring plates 53 form a complete circular structure. The fixing pins 52 are enclosed in the inner cavity of the auxiliary groove 51 through the semi-ring plates 53, which is convenient for the two semi-ring plates 53 to enclose the fixing pins 52 so that the fixing pins 52 do not affect the use of the bearing. The plurality of clamping grooves 54 are respectively formed at the top and bottom of the inner wall of the auxiliary groove 51. The plurality of elastic blocks 55 are respectively fixed in a circular array at the top and bottom of the inner wall of the semi-ring plate 53. The elastic blocks 55 are movably clamped in the inner cavity of the clamping grooves 54. Through the elastic blocks 55, the position of the semi-ring plate 53 is stable, and the stability of the position of the semi-ring plate 53 is improved.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spherical roller bearing cage, comprising: Support ring (1), with a first retaining body (2) fixedly connected to the top and bottom of the support ring (1) respectively in an annular structure; Characterized in that: an activity mechanism (3) is arranged in the middle of the support ring (1), and the activity mechanism (3) includes: Activity groove (31), which is opened in the middle of the support ring (1); Activity ring (32), which rotates in the inner cavity of the activity groove (31), and an auxiliary mechanism (5) is arranged outside the activity ring (32); Multiple connecting grooves (33), which are respectively opened at the top and bottom of the activity groove (31) in two annular arrays; Multiple connecting plates (34), which are slidably connected to the inner cavity of the connecting groove (33); Multiple second retaining bodies (35), which are fixed to one end of the connecting plate (34); Multiple rings (36), which are respectively arranged above and below the activity groove (31); Multiple compression springs (37), which are fixed to one side of the connecting plate (34).

2. The centering roller bearing cage according to claim 1, characterized in that, Two opposite connecting grooves (33) are staggeredly distributed at the top and bottom of the support ring (1), and two opposite connecting plates (34) are staggeredly fixed to the top and bottom of the activity ring (32).

3. The centering roller bearing cage according to claim 2, characterized in that, The ring (36) is slidably inserted through the middle parts of the multiple connecting plates (34), and the multiple compression springs (37) are sleeved on the outer wall of the ring (36) in an annular array.

4. The centering roller bearing cage according to claim 2, characterized in that, One end of the compression spring (37) is fixed to one end of the inner wall of the adjacent connecting groove (33), and the second retaining body (35) is arranged opposite to the adjacent first retaining body (2) in the same plane.

5. A centering roller bearing cage according to claim 2, characterized in that, Fixed rings (4) are arranged above and below the support ring (1), and the two fixed rings (4) are respectively fixedly connected to the opposite ends of the multiple first retaining bodies (2).

6. The centering roller bearing cage according to claim 2, characterized in that, The auxiliary mechanism (5) includes: Auxiliary groove (51), which is opened on the outer wall of the support ring (1); Multiple fixing nails (52), which are slidably inserted through the inner wall of the auxiliary groove (51) in an annular array, and the fixing nails (52) are threadedly inserted through the outer wall of the activity ring (32); Multiple semi-ring plates (53), which form an annular structure and are clamped in the inner cavity of the auxiliary groove (51); Multiple clamping grooves (54), which are respectively opened at the top and bottom of the inner wall of the auxiliary groove (51); Multiple elastic blocks (55), which are respectively fixed to the top and bottom of the inner wall of the semi-ring plate (53) in two annular arrays.

7. A centering roller bearing cage according to claim 6, characterized in that, The elastic block (55) is movably clamped in the inner cavity of the clamping groove (54), and the fixing nail (52) is enclosed in the inner cavity of the auxiliary groove (51) through the semi-ring plate (53).

Images