CN217355217U

CN217355217U - Light slewing bearing

Info

Publication number: CN217355217U
Application number: CN202221083515.9U
Authority: CN
Inventors: 姜伟; 李飞飞; 刘�文
Original assignee: Anhui Chengguang Seiko Mechanical And Electrical Technology Co ltd
Current assignee: Anhui Chengguang Seiko Mechanical And Electrical Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-02
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a light-duty slewing bearing, including inner circle and outer lane, circle in and be equipped with first spin slot, be equipped with second spin slot on the outer lane, just be equipped with the bearing ball between inner circle and the outer lane, be equipped with seal assembly between inner circle and the outer lane, just seal assembly is including setting up at the first sealed annular that the inner circle is distolateral and set up along the inner circle periphery, be equipped with on the outer lane along the interior border setting of outer lane and with first sealed annular matched with second sealed annular, just form the seal groove between first sealed annular and the second sealed annular, just install the sealing rubber circle in the seal groove. The utility model discloses have better sealed effect to inner circle and outer lane, effectively avoided external foreign matter and dust to enter into inside the bearing to better dustproof effect has.

Description

Light slewing bearing

Technical Field

The utility model relates to a slewing bearing technical field specifically is a light-duty slewing bearing.

Background

The slewing bearing is also called a slewing bearing, and is also called a rotary bearing or a rotary support. The slewing bearing is widely applied in the real industry, and is called as a joint of a machine, which is an important transmission element necessary for a machine which needs to do relative slewing motion between two objects and simultaneously bears axial force, axial force and overturning moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries such as ship equipment, engineering machinery, light industrial machinery, metallurgical machinery, medical machinery, industrial robots, tunnel boring machines, playground equipment and the like; lubricating grease can be filled into the slewing bearing before leaving a factory, the bearing plays a role in lubricating and reducing friction in the running process, and the service life of the bearing is prolonged; the existing light slewing bearing is in an open type, and external foreign matters and dust easily enter the slewing bearing to influence the using effect of the slewing bearing. Therefore, the light slewing bearing is improved and provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a light-duty slewing bearing, including inner circle and outer lane, circle in and be equipped with first spin slot, be equipped with second spin slot on the outer lane, just be equipped with the bearing ball between inner circle and the outer lane, be equipped with seal assembly between inner circle and the outer lane, just seal assembly is including setting up at the inner circle distolateral and first sealed annular that sets up along the inner circle periphery, be equipped with on the outer lane along the interior border setting of outer lane and with first sealed annular matched with second sealed annular, just form the seal groove between first sealed annular and the second sealed annular, just install the sealing rubber circle in the seal groove, just circle in and be equipped with and carry out the spacing first spacing ring piece of anticreep to the sealing rubber circle, the inner circle also is equipped with and carries out spacing second spacing ring piece of anticreep to the sealing rubber circle.

As an optimized technical scheme of the utility model, be equipped with the anticollision clearance between first spacing ring piece and the second spacing ring piece.

As a preferred technical scheme of the utility model, circle including the bolt fastening of first spacing ring piece, the second spacing ring piece also circles outside through the bolt fastening.

As an optimized technical scheme of the utility model, the outer lane is equipped with the oil storage tank in the bottom of second spin slot.

As the utility model discloses a preferred technical scheme, be equipped with the oiling pipe with the oil storage tank intercommunication on the outer lane, just tip on the oiling pipe is equipped with the block.

As an optimized technical scheme of the utility model, seal assembly is equipped with two, and is located the both sides of bearing ball.

The utility model has the advantages that:

this kind of light-duty slewing bearing is through being equipped with seal assembly between inner circle and outer lane, thereby have better sealed effect to inner circle and outer lane, outside foreign matter and dust have effectively been avoided entering into inside the bearing, thereby have better dustproof effect, and the sealing rubber circle is embedded into in the seal groove among this seal assembly, and under first spacing ring piece and second spacing ring piece effect, carry on spacingly, thereby effectively avoided the sealing rubber circle to take place the obscission, thereby better effect has.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a light-weight slewing bearing of the present invention;

fig. 2 is a schematic structural diagram of the first seal ring groove of the light-duty slewing bearing of the present invention.

In the figure: 1. an inner ring; 2. an outer ring; 3. a first ball groove; 4. a second ball groove; 5. a bearing ball; 6. a first seal ring groove; 7. a second seal ring groove; 8. sealing the rubber ring; 9. a first limit ring block; 10. a second limit ring block; 11. an oil storage tank; 12. An oil filling pipe; 13. and (7) capping.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 and fig. 2, the utility model relates to a light-duty slewing bearing, including inner circle 1 and outer lane 2, circle 1 is last to be equipped with first spin slot 3, be equipped with second spin slot 4 on the outer lane 2, just be equipped with bearing ball 5, its characterized in that between inner circle 1 and the outer lane 2: be equipped with seal assembly between inner circle 1 and outer lane 2, just seal assembly is including setting up at 1 distolateral and first sealed annular 6 along 1 peripheral setting of inner circle in the inner circle, be equipped with on the outer lane 2 along the interior border setting of outer lane and with the sealed annular 7 of first sealed annular 6 matched with second, just form the seal groove between first sealed annular 6 and the sealed annular 7 of second, just install sealing rubber circle 8 in the seal groove, just circle 1 is last to be equipped with and carries out the spacing first spacing ring block 9 of anticreep to sealing rubber circle 8, inner circle 1 also is equipped with carries out the spacing second spacing ring block 10 of anticreep to sealing rubber circle 8. Be equipped with seal assembly between inner circle 1 and outer lane 2, thereby have better sealed effect to inner circle 1 and outer lane 2, effectively avoided external foreign matter and dust to enter into inside the bearing, thereby have better dustproof effect, and among this seal assembly sealing rubber circle 8 is embedded into in the seal groove, and under first spacing ring piece 9 and the effect of second spacing ring piece 10, carry on spacingly, thereby effectively avoided sealing rubber circle 8 to take place the obscission, thereby better effect has.

And an anti-collision gap is arranged between the first limit ring block 9 and the second limit ring block 10, so that an anti-collision effect is achieved.

The first limit ring block 9 is fixed on the inner ring through a bolt, and the second limit ring block 10 is also fixed on the outer ring 2 through a bolt, so that the installation and disassembly are convenient.

The outer ring is provided with an oil storage tank 11 at the bottom of the second rolling ball groove 4, so that a certain amount of lubricating oil can be stored, and the supporting effect is better.

Be equipped with on the outer lane with the oiling pipe 12 of oil storage tank 12 intercommunication, just the tip on the oiling pipe 12 is equipped with block 13, the additional lubrication oil of being convenient for.

The sealing components are two and are positioned on two sides of the bearing ball 5.

The working principle is as follows: be equipped with seal assembly between inner circle 1 and outer lane 2, thereby have better sealed effect to inner circle 1 and outer lane 2, effectively avoided external foreign matter and dust to enter into inside the bearing, thereby better dustproof effect has, and sealing rubber circle 8 is embedded into in the seal groove among this seal assembly, and under first spacing ring piece 9 and the effect of second spacing ring piece 10, carry on spacingly, thereby effectively avoided sealing rubber circle 8 to take place the obscission, thereby better effect has.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a light-duty slewing bearing, includes inner circle (1) and outer lane (2), be equipped with first spin slot (3) on inner circle (1), be equipped with second spin slot (4) on outer lane (2), just be equipped with bearing ball (5), its characterized in that between inner circle (1) and outer lane (2): be equipped with seal assembly between inner circle (1) and outer lane (2), just seal assembly is including setting up at inner circle (1) distolateral and along first sealed annular (6) of inner circle (1) peripheral setting, be equipped with on outer lane (2) along the interior border setting of outer lane (2) and with first sealed annular (6) matched with second sealed annular (7), just form the seal groove between first sealed annular (6) and the second sealed annular (7), just install sealing rubber circle (8) in the seal groove, just be equipped with on inner circle (1) and carry out spacing first spacing ring piece (9) of anticreep to sealing rubber circle (8), inner circle (1) also is equipped with carries out spacing second spacing ring piece (10) of anticreep to sealing rubber circle (8).

2. A light-weight slewing bearing according to claim 1, characterized in that an anti-collision gap is provided between the first stop ring block (9) and the second stop ring block (10).

3. A lightweight slewing bearing according to claim 1, characterized in that the first stop ring block (9) is bolted to the inner ring and the second stop ring block (10) is also bolted to the outer ring (2).

4. A lightweight slewing bearing according to claim 1, wherein the outer ring is provided with an oil reservoir (11) at the bottom of the second ball groove (4).

5. A light-weight slewing bearing according to claim 4, characterized in that an oil filling pipe (12) communicating with an oil storage tank (11) is provided on the outer ring, and a cap (13) is provided on an end portion of the oil filling pipe (12).

6. A lightweight slewing bearing according to claim 1, characterized in that said sealing assemblies are provided in two and on either side of the bearing balls (5).