CN216143079U

CN216143079U - Bearing end cover structure for high-speed bearing

Info

Publication number: CN216143079U
Application number: CN202121987364.5U
Authority: CN
Inventors: 何东方
Original assignee: Xiangyang Hefa Bearing Co ltd
Current assignee: Xiangyang Hefa Bearing Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-29
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a bearing end cover structure for a high-speed bearing, which comprises an end cover body, a bearing body and a bearing seat, wherein the bearing body is fixed in the bearing seat, the inner ring of the bearing body is fixedly connected with a high-speed rotating shaft, and the end cover body comprises a first end cover and a second end cover. According to the utility model, the end cover body is arranged and comprises a first end cover and a second end cover, the first end cover and the second end cover are fixedly connected together through a connecting plate, in addition, one sides of the first end cover and the second end cover, which are close to the bearing, are provided with first semicircular clamping grooves, and first semicircular sealing rings are arranged in the first semicircular clamping grooves.

Description

Bearing end cover structure for high-speed bearing

Technical Field

The utility model relates to the technical field of bearing end covers, in particular to a bearing end cover structure for a high-speed bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduces the coefficient of friction in its motion process to guarantee its gyration precision, and high-speed bearing is in the use, just need guarantee the lubricated degree between bearing inner race and the outer lane, consequently need guarantee the leakproofness of bearing near high-speed pivot one side through the installation bearing end cover, prevent that the bearing from rotating at a high speed in-process, inside lubricating oil leaks, influences the rotation of bearing.

However, after the existing bearing end cover is connected with a bearing, when the bearing inner ring rotates along with the high-speed rotating shaft, the bearing inner ring can rub with a sealing ring inside the end cover, so that the sealing ring is abraded, and the sealing performance of the joint of the end cover and the bearing is reduced due to long-time use. In addition, the existing bearing end cover is of an integrated structure, when the end cover needs to be detached from the bearing to replace a sealing ring, the end cover can be detached from the bearing and the high-speed rotating shaft only after the equipment connected with the high-speed rotating shaft is detached, and therefore the utility model provides the bearing end cover structure for the high-speed bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a bearing end cover structure for a high-speed bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a bearing end cover structure for high-speed bearing, includes end cover body, bearing body and bearing frame, inside the bearing body was fixed in the bearing frame, the high-speed pivot of bearing body inner circle fixedly connected with, the end cover body includes first end cover and second end cover, first semicircle draw-in groove and second semicircle draw-in groove have all been seted up to one side that first end cover and second end cover are close to the bearing body, the inside annular ring that is equipped with of second semicircle draw-in groove, the annular ring includes first semicircle ring circle and second semicircle ring circle.

Furthermore, the first end cover and the second end cover are connected with the connecting plates on two sides, so that the first end cover and the second end cover can be quickly assembled into the end cover body conveniently, and are sleeved on the high-speed rotating shaft and connected with the bearing seat.

Furthermore, a plurality of mounting holes are formed in the surfaces of the first end cover and the second end cover, and a plurality of bolts are arranged in the mounting holes in a penetrating mode, so that the end cover body is fixedly connected with the bearing seat conveniently.

Further, a first semicircular sealing ring is arranged inside the first semicircular clamping groove, a second semicircular sealing ring is arranged inside the second semicircular clamping groove, and the first semicircular sealing ring and the second semicircular sealing ring are tightly attached to the outer ring and the inner ring of the bearing body respectively, so that the sealing performance of the joint of the inner ring and the outer ring of the bearing is improved through the end cover body.

Furthermore, the two ends of the first semicircular ring are connected with the insertion plates, the two ends of the second semicircular ring are provided with the insertion grooves, and the insertion plates are clamped with the insertion grooves and can connect the first semicircular ring with the second semicircular ring through the connection of the insertion plates and the insertion grooves.

Furthermore, a threaded hole is formed in one side of the insertion groove, and a bolt is arranged in the threaded hole, so that the first semicircular ring and the second semicircular ring can be fixedly connected conveniently.

Furthermore, a plurality of spherical grooves have been seted up to second semicircle draw-in groove inside wall, and is a plurality of the inside ball that all is equipped with of spherical groove, the spout has all been seted up to one side that first semicircle ring sum second semicircle ring is close to spherical groove, ball and spout roll connection for when the bearing inner circle rotates along with high-speed pivot, the annular ring that first semicircle ring sum second semicircle ring circle connected into and second semicircle sealing washer can follow the bearing inner circle and rotate, reduce the frictional force between second semicircle sealing washer and the bearing inner circle.

The utility model has the beneficial effects that:

1. when the end cover is used, the end cover body is arranged and comprises the first end cover and the second end cover, the first end cover and the second end cover are fixedly connected together through the connecting plate, in addition, one sides, close to the bearing, of the first end cover and the second end cover are provided with the first semicircular clamping grooves, the first semicircular sealing rings are arranged in the first semicircular clamping grooves, when the sealing rings need to be replaced, the end cover body can be detached into the first end cover and the second end cover without detaching the high-speed rotating shaft from the connecting equipment, and the first semicircular clamping grooves and the second semicircular clamping grooves can be directly detached from the bearing and the high-speed rotating shaft, so that the end cover body is more convenient to mount and detach, and meanwhile, the sealing rings are convenient to replace.

2. When the end cover is used, the second semicircular clamping groove is formed in the end cover body, the annular ring and the second semicircular sealing ring are arranged in the second semicircular clamping groove, the annular ring can rotate in the second semicircular clamping groove through balls in the second semicircular clamping groove, and when the bearing inner ring rotates along with the high-speed rotating shaft, the annular ring and the second semicircular sealing ring can also rotate along with the bearing inner ring, so that friction between the second semicircular sealing ring and the bearing inner ring is reduced, the service life of the second semicircular sealing ring is prolonged, and the sealing performance is improved.

Drawings

FIG. 1 is a side cross-sectional view of the present invention;

FIG. 2 is a perspective view of the annular ring and a second semi-circular sealing ring of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is an enlarged view of the utility model at a.

Illustration of the drawings:

1. an end cap body; 101. a first end cap; 102. a second end cap; 2. a bearing body; 3. a bearing seat; 4. a high-speed rotating shaft; 5. a connecting plate; 6. mounting holes; 7. a first semicircular clamping groove; 8. a first semicircular sealing ring; 9. a second semicircular clamping groove; 901. a spherical groove; 902. a ball bearing; 10. an annular ring; 1001. a first semi-circular ring; 1002. a second semi-circular ring; 11. a plugboard; 12. inserting grooves; 13. a threaded hole; 14. a chute; 15. and a second semicircular sealing ring.

Detailed Description

As shown in fig. 1-3, a bearing end cover structure for a high-speed bearing is related to, including end cover body 1, bearing body 2 and bearing frame 3, inside bearing body 2 was fixed in bearing frame 3, bearing body 2 inner circle fixedly connected with high-speed pivot 4, end cover body 1 included first end cover 101 and second end cover 102, first semicircle draw-in groove 7 and second semicircle draw-in groove 9 have all been seted up to one side that first end cover 101 and second end cover 102 were close to bearing body 2, the inside annular ring 10 that is equipped with of second semicircle draw-in groove 9, annular ring 10 includes first semicircle ring 1001 and second semicircle ring 1002. The first end cap 101 and the second end cap 102 are connected with the connecting plate 5 at both sides. A plurality of mounting holes 6 have all been seted up on first end cover 101 and second end cover 102 surface, and the bolt is worn to be equipped with inside a plurality of mounting holes 6.

As shown in fig. 1 and 4, a first semicircular sealing ring 8 is arranged inside the first semicircular clamping groove 7, a second semicircular sealing ring 15 is arranged inside the second semicircular clamping groove 9, and the first semicircular sealing ring 8 and the second semicircular sealing ring 15 are respectively tightly attached to the outer ring and the inner ring of the bearing body 2. A plurality of spherical grooves 901 have been seted up to second semicircle draw-in groove 9 inside wall, and a plurality of spherical grooves 901 are inside all to be equipped with ball 902, and first semicircle ring 1001 and second semicircle ring 1002 have all seted up spout 14 near one side of spherical groove 901, ball 902 and spout 14 roll connection.

As shown in fig. 2, the two ends of the first semicircular ring 1001 are both connected with the insertion board 11, the two ends of the second semicircular ring 1002 are both provided with the insertion grooves 12, and the insertion board 11 is engaged with the insertion grooves 12. Threaded hole 13 is seted up to inserting groove 12 one side, and threaded hole 13 is inside to be equipped with the bolt.

When in use: when the bearing body 2 is fixedly arranged in the bearing seat 3, and the high-speed rotating shaft 4 is fixedly arranged on the inner ring of the bearing body 2, firstly, the first end cover 101 and the second end cover 102 are sleeved on the surface of the high-speed rotating shaft 4, then, the first end cover 101 and the second end cover 102 are fixedly connected through the connecting plate 5 to form the end cover body 1, then, the first semicircular sealing ring 8 is clamped in the first semicircular clamping groove 7 of the first end cover 101 and the second end cover 102 respectively, then, the first semicircular ring 1001 and the second semicircular ring 1002 are sleeved on the surface of the high-speed rotating shaft 4, the first semicircular ring 1001 and the second semicircular ring 1002 are positioned at one side close to the second semicircular clamping groove 9, then, the plug-in plate 11 on the first semicircular ring 1001 is inserted into the plug-in groove 12 on the second semicircular ring 1002, and the bolt is screwed in the threaded hole 13, so that the first semicircular ring 1001 and the second semicircular ring 1002 are fixedly connected to form the annular ring 10, then the annular ring 10 is clamped into the second semicircular clamping groove 9 on the first end cover 101 and the second end cover 102, then the second semicircular sealing ring 15 is clamped into the second semicircular clamping groove 9, so that the second semicircular sealing ring 15 is attached to the annular ring 10, finally the end cover body 1 is inserted into the mounting hole 6 through a bolt and is mounted on the bearing seat 3, at the moment, the first semicircular sealing ring 8 and the second semicircular sealing ring 15 are respectively and tightly attached to the outer ring and the inner ring of the bearing body 2, so that the lubricating oil inside the bearing body 2 can be prevented from leaking, when the inner ring of the bearing body 2 rotates along with the high-speed rotating shaft 4, the annular ring 10 slides in the second semicircular clamping groove 9 through the sliding groove 14 and the rotation of the ball 902, so that the inner ring of the bearing body 2 can drive the second semicircular sealing ring 15 and the annular ring 10 to rotate through friction force, so that the second semicircular sealing ring 15 cannot generate relative friction with the inner ring of the bearing body 2, the service life of the second semicircular sealing ring 15 is prolonged. When the end cover body 1 needs to be disassembled, the end cover body 1 is directly disassembled into the first end cover 101 and the second end cover 102, so that the end cover body 1 is more convenient to disassemble and assemble.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a bearing end cover structure for high-speed bearing, includes end cover body (1), bearing body (2) and bearing frame (3), its characterized in that: inside bearing body (2) were fixed in bearing frame (3), bearing body (2) inner circle fixedly connected with high-speed pivot (4), end cover body (1) includes first end cover (101) and second end cover (102), first semicircle draw-in groove (7) and second semicircle draw-in groove (9) have all been seted up to one side that first end cover (101) and second end cover (102) were close to bearing body (2), inside ring (10) that is equipped with of second semicircle draw-in groove (9), ring (10) are including first semicircle ring (1001) and second semicircle ring (1002).

2. The bearing end cover structure for a high-speed bearing according to claim 1, wherein: and connecting plates (5) are connected to two sides of the first end cover (101) and the second end cover (102).

3. The bearing end cover structure for a high-speed bearing according to claim 1, wherein: a plurality of mounting holes (6) are formed in the surfaces of the first end cover (101) and the second end cover (102), and bolts penetrate through the inside of the mounting holes (6).

4. The bearing end cover structure for a high-speed bearing according to claim 1, wherein: first semicircle clamping groove (7) inside is equipped with first semicircle sealing washer (8), inside second semicircle clamping groove (9) is equipped with second semicircle sealing washer (15), first semicircle sealing washer (8) and second semicircle sealing washer (15) closely laminate with the outer lane and the inner circle of bearing body (2) respectively.

5. The bearing end cover structure for a high-speed bearing according to claim 1, wherein: plug boards (11) are connected to two ends of the first semicircular ring (1001), plug grooves (12) are formed in two ends of the second semicircular ring (1002), and the plug boards (11) are clamped with the plug grooves (12).

6. The bearing end cover structure for a high-speed bearing according to claim 5, wherein: one side of the inserting groove (12) is provided with a threaded hole (13), and a bolt is arranged in the threaded hole (13).

7. The bearing end cover structure for a high-speed bearing according to claim 1, wherein: a plurality of spherical grooves (901) are formed in the inner side wall of the second semicircular clamping groove (9), balls (902) are arranged in the spherical grooves (901), sliding grooves (14) are formed in one sides, close to the spherical grooves (901), of the first semicircular ring (1001) and the second semicircular ring (1002), and the balls (902) are in rolling connection with the sliding grooves (14).