CN216158106U

CN216158106U - Double-row same-diameter ball turntable bearing

Info

Publication number: CN216158106U
Application number: CN202122108738.8U
Authority: CN
Inventors: 何东方
Original assignee: Xiangyang Hefa Bearing Co ltd
Current assignee: Xiangyang Hefa Bearing Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-01
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a double-row same-diameter ball turntable bearing which comprises an inner ring, an outer ring and rolling assemblies, wherein a fixing ring is fixedly connected to the middle position of the outer side of the inner ring, a plurality of rivets are fixedly connected to the front side and the rear side of the fixing ring, the rolling assemblies are arranged at the positions, located on the two sides of the fixing ring, of the outer side of the inner ring, the outer ring is arranged on the outer side of the rolling assemblies, and the outer ring comprises a first combination sleeve and a second combination sleeve. According to the utility model, the arranged rolling assemblies limit the balls through the arc-shaped clamping seats on the inner sides of the connecting rings on the two sides, the balls can roll between the adjacent arc-shaped clamping seats, the two groups of rolling assemblies of the bearing are respectively arranged on the two sides of the fixing ring on the outer side of the inner ring and limit the rolling assemblies through a plurality of rivets, and the outer ring is respectively in rolling connection with the balls in the two groups of rolling assemblies through the limiting grooves on the two inner sides of the outer ring, so that the two groups of rolling assemblies can bear larger axial load.

Description

Double-row same-diameter ball turntable bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a double-row same-diameter ball turntable bearing.

Background

The double-row same-diameter ball turntable bearing is a large bearing which can bear larger axial load, radial load and overturning moment simultaneously, and integrates multiple functions of supporting, rotating, driving, fixing and the like into a whole, and is of a special structure.

The double-row same-diameter ball turntable bearing usually needs to work under the conditions of low speed, heavy load and severe working conditions, so that external impurities enter the bearing to become one of important factors for bearing damage, the existing double-row same-diameter ball turntable bearing cannot achieve a good sealing effect, the loss of a lubricant is easily caused, the bearing cannot be effectively lubricated, and the existing double-row same-diameter ball turntable bearing has no good bearing structure for balls inside and can bear a small axial load.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a double-row same-diameter ball turntable bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a double row is with footpath ball carousel bearing, includes inner circle, outer lane and roll subassembly, the solid fixed ring of outside intermediate position fixedly connected with of inner circle, the equal fixedly connected with many rivets in side around solid fixed ring, the roll subassembly sets up the position that is located solid fixed ring both sides in the inner circle outside, the outer lane sets up the outside at the roll subassembly, the outer lane includes first combination cover and second combination cover.

Furthermore, the front side and the rear side of the inner ring are fixedly connected with sealing rings.

Further, the rolling assembly comprises symmetrically arranged connecting rings, and a plurality of arc-shaped clamping seats are fixedly connected to the inner sides of the connecting rings.

Furthermore, a plurality of through holes are formed in the side face of the connecting ring, the through holes are respectively connected with the corresponding rivets in a clamping mode, and balls are connected between the corresponding arc-shaped clamping seats in a rolling mode.

Furthermore, the front end and the rear end of the inner side wall of the first combination sleeve and the front end and the rear end of the inner side wall of the second combination sleeve are respectively provided with a limiting groove, and the limiting grooves are respectively in rolling connection with the corresponding balls.

Furthermore, the mounting groove has been all seted up to the side intermediate position around first combination cover and the second combination cover, a plurality of screw holes have all been seted up to the inside of mounting groove, lie in one side the mounting groove is inside all to be provided with the tighrening ring.

Furthermore, a plurality of counter bores are all seted up to the side of tighrening ring, and is a plurality of the inside of counter bore all is provided with fixing bolt, and is a plurality of fixing bolt respectively with corresponding screw hole threaded connection.

Furthermore, C-shaped clamping plates are fixedly connected to two sides of the upper end of the first combination sleeve, C-shaped clamping grooves are formed in two sides of the lower end of the second combination sleeve, and the C-shaped clamping plates are respectively connected with the corresponding C-shaped clamping grooves in a clamping mode.

Furthermore, sealing grooves are formed in the inner circle positions of the front side and the rear side of the first combined sleeve and the inner circle positions of the second combined sleeve, and the sealing grooves are respectively connected with the corresponding sealing rings in a rotating mode.

The utility model has the beneficial effects that:

1. when the double-row same-diameter ball turntable bearing is used, the outer ring is formed by fixedly combining the first combination sleeve and the second combination sleeve through the fastening ring and the fixing bolt, so that the bearing is convenient to mount and dismount, the first combination sleeve and the second combination sleeve are combined, the arranged C-shaped clamping plates are respectively clamped and connected with the corresponding C-shaped clamping grooves, the first combination sleeve and the second combination sleeve can be combined to be more compact, and the sealing grooves arranged at the inner circles at the front side and the rear side of the first combination sleeve and the second combination sleeve can be respectively sleeved on the sealing rings at the front side and the rear side of the inner ring and are rotatably connected with the sealing rings after combination, so that the bearing can be sealed, the loss of lubricating oil is reduced, and the entering of external dust is reduced;

2. when the double-row same-diameter ball turntable bearing is used, the arranged rolling assemblies limit the balls through the arc clamping seats on the inner sides of the connecting rings on the two sides, the balls can roll between the adjacent arc clamping seats, the two groups of rolling assemblies of the bearing are respectively arranged on the two sides of the fixing ring on the outer side of the inner ring and limit the rolling assemblies through a plurality of rivets, and the outer ring is respectively in rolling connection with the balls in the two groups of rolling assemblies through the limiting grooves on the two inner sides of the outer ring, so that the two groups of rolling assemblies can bear larger axial load.

Drawings

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

FIG. 2 is a top plan view of an explosive structure according to the present invention;

FIG. 3 is a bottom view of the explosive structure of the present invention;

FIG. 4 is a schematic view of the inner ring structure of the present invention;

fig. 5 is a schematic structural diagram of the rolling assembly of the present invention.

Illustration of the drawings:

1. an inner ring; 2. a first combination sleeve; 3. a second combination sleeve; 4. a fastening ring; 5. fixing the bolt; 6. a rolling component; 7. a counter bore; 8. mounting grooves; 9. a threaded hole; 10. a sealing groove; 11. a limiting groove; 12. a C-shaped clamping plate; 13. a C-shaped clamping groove; 14. a fixing ring; 15. riveting; 16. a seal ring; 17. a connecting ring; 18. an arc-shaped clamping seat; 19. a ball bearing; 20. and a through hole.

Detailed Description

As shown in fig. 1 to 4, a double-row same-diameter ball turntable bearing is provided, which comprises an inner ring 1, an outer ring and a rolling component 6, wherein a fixing ring 14 is fixedly connected to the middle position of the outer side of the inner ring 1, a plurality of rivets 15 are fixedly connected to the front side and the rear side of the fixing ring 14, the rolling component 6 is arranged at the position of the outer side of the inner ring 1 at two sides of the fixing ring 14, the outer ring is arranged at the outer side of the rolling component 6, the outer ring comprises a first combination sleeve 2 and a second combination sleeve 3, sealing rings 16 are fixedly connected to the front side and the rear side of the inner ring 1, sealing grooves 10 are respectively arranged at the inner circles of the front side and the rear side of the first combination sleeve 2 and the second combination sleeve 3, the sealing grooves 10 are respectively rotatably connected with the corresponding sealing rings 16, limiting grooves 11 are respectively arranged at the front end and the rear end of the inner side wall of the first combination sleeve 2 and the second combination sleeve 3, the limiting grooves 11 are respectively in rolling connection with corresponding balls 19, mounting grooves 8 are respectively arranged at the middle position of the front side and the rear side of the first combination sleeve 2 and the second combination sleeve 3, a plurality of threaded holes 9 are formed in the mounting groove 8, a fastening ring 4 is arranged in the mounting groove 8 on one side, a plurality of counter bores 7 are formed in the side surface of the fastening ring 4, fixing bolts 5 are arranged in the counter bores 7, the fixing bolts 5 are respectively in threaded connection with the corresponding threaded holes 9, C-shaped clamping plates 12 are fixedly connected to both sides of the upper end of the first combination sleeve 2, C-shaped clamping grooves 13 are formed in both sides of the lower end of the second combination sleeve 3, the C-shaped clamping plates 12 are respectively in clamping connection with the corresponding C-shaped clamping grooves 13, the first combination sleeve 2 and the second combination sleeve 3 can be combined to be more compact, and sealing grooves 10 arranged at inner circles on the front side and the rear side of the first combination sleeve 2 and the second combination sleeve 3 can be respectively sleeved on sealing rings 16 on the front side and the rear side of the inner circle 1 after combination, and is rotationally connected with the bearing, thereby playing a role of sealing the bearing, reducing the loss of lubricating oil and the entering of external dust.

When the double-row same-diameter ball turntable bearing is used, the balls 19 are respectively arranged between the corresponding arc-shaped clamping seats 18, the rolling assemblies 6 are assembled, the rolling assemblies 6 are respectively arranged at two sides of the fixed ring 14 at the outer side of the inner ring 1, the through holes 20 are respectively clamped with the corresponding rivets 15, the outer sides of the rivets 15 are riveted, so that the rolling assemblies 6 can be arranged at the outer side of the inner ring 1, the first combination sleeve 2 and the second combination sleeve 3 are respectively sleeved at the outer side of the rolling assemblies 6, the limiting grooves 11 at two inner sides of the rolling assemblies are respectively in rolling connection with the balls 19 in the two groups of rolling assemblies 6, the C-shaped clamping plates 12 are respectively clamped and connected with the corresponding C-shaped clamping grooves 13, the fastening ring 4 is arranged in the mounting groove 8, and finally the fixing bolt 5 penetrates through the counter bore 7 to be in threaded connection with the corresponding threaded hole 9, so that the first combination sleeve 2 and the second combination sleeve 3 are assembled into an outer ring and sleeved at the outer side of the rolling assemblies 6, at this time, the sealing grooves 10 arranged at the inner circles at the front and rear sides of the first combination sleeve 2 and the second combination sleeve 3 can be respectively sleeved on the sealing rings 16 at the front and rear sides of the inner ring 1 after combination and are rotatably connected with the same.

As shown in fig. 5, in a further scheme, the rolling assembly 6 includes a connecting ring 17 symmetrically disposed, a plurality of arc-shaped clamping seats 18 are fixedly connected to the inner side of the connecting ring 17, a plurality of through holes 20 are formed in the lateral surface of the connecting ring 17, the plurality of through holes 20 are respectively clamped and connected with corresponding rivets 15, the rolling balls 19 are connected between the corresponding arc-shaped clamping seats 18 in a rolling way, the rolling assembly 6 limits the rolling balls 19 through the arc-shaped clamping seats 18 on the inner sides of the connecting rings 17 on the two sides, the rolling balls 19 can roll between the adjacent arc-shaped clamping seats 18, and two groups of rolling assemblies 6 of the bearing are respectively arranged at two sides of a fixed ring 14 at the outer side of the inner ring 1, the rolling assemblies 6 are limited through the rivets 15, and the outer ring is respectively in rolling connection with the balls 19 in the two groups of rolling assemblies 6 through the limiting grooves 11 on the two sides of the outer ring, so that the two groups of rolling assemblies 6 can bear larger axial load.

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 double row is with footpath ball slewing bearing, includes inner circle (1), outer lane and rolling component (6), its characterized in that: the utility model discloses a rolling assembly, including inner circle (1), the outside intermediate position fixedly connected with of inner circle (1) fixes solid ring (14), the equal fixedly connected with many rivets (15) of the front and back side of fixed ring (14), rolling assembly (6) set up the position that is located fixed ring (14) both sides in inner circle (1) outside, the outer lane sets up the outside at rolling assembly (6), the outer lane includes first combination cover (2) and second combination cover (3).

2. The double row ball slewing bearing of claim 1, wherein: and the front side and the rear side of the inner ring (1) are fixedly connected with sealing rings (16).

3. The double row ball slewing bearing of claim 1, wherein: the rolling assembly (6) comprises symmetrically arranged connecting rings (17), and a plurality of arc-shaped clamping seats (18) are fixedly connected to the inner sides of the connecting rings (17).

4. A double row ball slewing bearing according to claim 3, wherein: the side of the connecting ring (17) is provided with a plurality of through holes (20), the through holes (20) are respectively clamped and connected with corresponding rivets (15), and balls (19) are respectively connected between the corresponding arc-shaped clamping seats (18) in a rolling manner.

5. The double row ball slewing bearing of claim 1, wherein: limiting grooves (11) are formed in the front end and the rear end of the inner side wall of the first combined sleeve (2) and the front end and the rear end of the inner side wall of the second combined sleeve (3), and the limiting grooves (11) are respectively in rolling connection with corresponding balls (19).

6. The double row ball slewing bearing of claim 1, wherein: mounting groove (8) have all been seted up to the side intermediate position around first combination cover (2) and second combination cover (3), a plurality of screw holes (9) have all been seted up to the inside of mounting groove (8), lie in one side mounting groove (8) inside all is provided with tighrening ring (4).

7. The double row ball slewing bearing of claim 6, wherein: a plurality of counter bores (7) have all been seted up to the side of tighrening ring (4), and is a plurality of the inside of counter bore (7) all is provided with fixing bolt (5), and is a plurality of fixing bolt (5) respectively with correspond screw hole (9) threaded connection.

8. The double row ball slewing bearing of claim 1, wherein: the combined type C-shaped clamping plate is characterized in that C-shaped clamping plates (12) are fixedly connected to two sides of the upper end of the first combined sleeve (2), C-shaped clamping grooves (13) are formed in two sides of the lower end of the second combined sleeve (3), and the C-shaped clamping plates (12) are respectively connected with the corresponding C-shaped clamping grooves (13) in a clamping mode.

9. The double row ball slewing bearing of claim 1, wherein: sealing grooves (10) are formed in the inner circle positions of the front side and the rear side of the first combined sleeve (2) and the second combined sleeve (3), and the sealing grooves (10) are rotatably connected with corresponding sealing rings (16) respectively.