CN218844890U

CN218844890U - Chain wheel splicing type slewing bearing

Info

Publication number: CN218844890U
Application number: CN202222526707.9U
Authority: CN
Inventors: 刘坤浩; 刘道珍; 袁龙永; 张升升; 杨枫
Original assignee: Xuzhou Xinda Slewing Ring Co ltd
Current assignee: Xuzhou Xinda Slewing Ring Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-11
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a sprocket concatenation formula slewing bearing, including the inner circle, one side of inner circle is provided with the ball, one side of ball is provided with the outer lane, the inside top of outer lane and sealed protective structure and bottom all are provided with sealed protective structure, the both ends of outer lane all are provided with the sprocket main part, the inside of outer lane and sprocket main part is run through and is provided with fixing bolt, and the one end of fixing bolt lateral wall is provided with the nut, the one end of sprocket main part is provided with the fixture block, the other end of sprocket main part is provided with the draw-in groove. The utility model discloses a be provided with the sprocket main part, this slewing bearing sets up the slewing bearing of a concatenation formula, and through being provided with the sprocket main part, can assemble together through the block of fixture block and draw-in groove between the sprocket main part of different groups and form a complete annular whole to make this slewing bearing assemble together through the sprocket main part, realized that this slewing bearing can splice the installation, be convenient for transport.

Description

Chain wheel splicing type slewing bearing

Technical Field

The utility model relates to a slewing bearing technical field specifically is a sprocket concatenation formula slewing bearing.

Background

The slewing bearing is a mechanical part, the interior of the slewing bearing comprises a plurality of assemblies such as an inner ring, an outer ring and balls, the slewing bearing is a large bearing capable of bearing load, the large bearing is widely applied to industrial production and manufacturing, and is an important transmission element.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprocket concatenation formula slewing bearing to solve the great problem of being not convenient for installation, transportation of the size that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sprocket concatenation formula slewing bearing, includes the inner circle, one side of inner circle is provided with the ball, one side of ball is provided with the outer lane, the inside top and the bottom of outer lane and sealed protective structure all are provided with sealed protective structure, the both ends of outer lane all are provided with the sprocket main part, the inside of outer lane and sprocket main part is run through and is provided with fixing bolt, and the one end of fixing bolt lateral wall is provided with the nut, the one end of sprocket main part is provided with the fixture block, the other end of sprocket main part is provided with the draw-in groove.

Preferably, the cross section of the clamping block is matched with the cross section of the clamping groove, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the sealing protection structure comprises a groove body, the groove bodies are arranged at the two ends of the inner ring and the outer ring, sealing blocks are arranged inside the groove bodies, and oil filling holes are formed in the sealing blocks at the top ends inside the groove bodies.

Preferably, the sealing blocks are arranged in two groups, and the two groups of sealing blocks are symmetrically distributed around the central axes of the inner ring and the outer ring.

Preferably, the oil filler holes are provided with a plurality of oil filler holes which are distributed in the sealing block at equal intervals.

Preferably, the cross section of the groove body is larger than that of the sealing block, and a clamping structure is formed between the groove body and the sealing block.

Preferably, four groups of sprocket main bodies are arranged, and an annular whole is formed among the four groups of sprocket main bodies through a clamping structure.

Compared with the prior art, the beneficial effects of the utility model are that: this sprocket concatenation formula slewing bearing is rational in infrastructure, has following advantage:

(1) The chain wheel main body is arranged, the slewing bearing is provided with the spliced slewing bearing, and the chain wheel main bodies of different groups can be assembled together through the clamping of the clamping block and the clamping groove to form a complete annular whole body, so that the slewing bearing is assembled together through the chain wheel main bodies, the slewing bearing can be spliced and installed, and the transportation is convenient;

(2) The sealing protection structures are arranged at the two ends of the inner ring and the outer ring, the sealing blocks are arranged at the two ends of the inner ring and the outer ring in a clamping manner, so that a gap between the inner ring and the outer ring can be sealed, dust and the like are prevented from entering, meanwhile, oil injection holes are uniformly arranged in the sealing blocks, oil injection lubrication on balls is not hindered, and the using effect is better;

(3) Through being provided with fixing bolt and nut, this sprocket main part sets up in the both ends of outer lane, has all seted up corresponding hole body through the inside at the outer lane and the inside of sprocket main part, and the equipment of sprocket main part can be circled at the outer lane through running through fixing bolt to the inside back of outer lane and sprocket main part on fixing bolt's lateral wall screwing up the nut with fixing bolt when encircleing, and is simple convenient, and the dismouting is more convenient.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of a partially enlarged structure at a position a in fig. 1 according to the present invention;

fig. 3 is a schematic view of a three-dimensional partial structure of the sealing protection structure of the present invention;

fig. 4 is a schematic top view of the sprocket of the present invention.

In the figure: 1. an inner ring; 2. a ball bearing; 3. sealing the protective structure; 301. a sealing block; 302. a trough body; 303. an oil filler hole; 4. fixing the bolt; 5. an outer ring; 6. a nut; 7. a sprocket body; 8. a clamping block; 9. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a chain wheel spliced slewing bearing comprises an inner ring 1, wherein balls 2 are arranged on one side of the inner ring 1, an outer ring 5 is arranged on one side of each ball 2, sealing protective structures 3 are arranged at the top ends and the bottom ends of the inner parts of the outer ring 5 and the sealing protective structures 3, chain wheel main bodies 7 are arranged at the two ends of the outer ring 5, fixing bolts 4 penetrate through the inner parts of the outer ring 5 and the chain wheel main bodies 7, nuts 6 are arranged at one ends of the outer side walls of the fixing bolts 4, clamping blocks 8 are arranged at one ends of the chain wheel main bodies 7, and clamping grooves 9 are arranged at the other ends of the chain wheel main bodies 7;

specifically, as shown in fig. 1 and 4, when the sprocket body 7 is assembled in use, the sprocket body 7 is placed at two ends of the outer ring 5, the fixing bolt 4 is taken out and inserted into the holes in the outer ring 5 and the sprocket body 7, the nut 6 is screwed on the outer side wall of the fixing bolt 4 to fix the sprocket body 7, and when the sprocket body 7 needs to be disassembled and assembled, the nut 6 is screwed reversely to remove the fixing bolt 4 from the outer side wall of the fixing bolt 4, and then the sprocket body 7 is taken down.

The cross section of the clamping block 8 is matched with that of the clamping groove 9, a clamping structure is formed between the clamping block 8 and the clamping groove 9, four groups of chain wheel main bodies 7 are arranged, and the four groups of chain wheel main bodies 7 form an annular whole through the clamping structure; the design of the clamping structure is convenient for assembling a plurality of groups of chain wheel main bodies 7 together, and the use is more convenient;

specifically, as shown in fig. 1 and 4, when the slewing bearing is used, the slewing bearing is taken out, the sprocket main bodies 7 are fixed at two ends of the outer ring 5, and the four sets of sprocket main bodies 7 are clamped together through the clamping structures of the clamping blocks 8 and the clamping grooves 9, so that the slewing bearing is mounted for use.

The sealing protection structure 3 comprises a groove body 302, the two ends of the inner part of the inner ring 1 and the outer ring 5 are respectively provided with the groove body 302, the inner part of the groove body 302 is respectively provided with a sealing block 301, and the inner part of the sealing block 301 at the top end of the inner part of the groove body 302 is provided with an oil filling hole 303;

the two groups of sealing blocks 301 are arranged, the two groups of sealing blocks 301 are symmetrically distributed about the central axis of the inner ring 1 and the central axis of the outer ring 5, and the sealing effect between the inner ring 1 and the outer ring 5 is better due to the symmetrically distributed sealing blocks 301;

the plurality of oil holes 303 are arranged, the plurality of oil holes 303 are distributed in the sealing block 301 at equal intervals, and the oil holes 303 distributed at equal intervals are convenient for injecting oil to the balls 2 at different positions;

the cross section of the groove body 302 is larger than that of the sealing block 301, a clamping structure is formed between the groove body 302 and the sealing block 301, and the sealing effect of the sealing block 301 is better due to the design of the clamping structure;

specifically, as shown in fig. 1, 2 and 3, in use, the seal blocks 301 are engaged with both ends of the inner ring 1 and the outer ring 5, the seal blocks 301 seal a gap between the inner ring 1 and the outer ring 5 to prevent entry of impurities such as dust, and when lubrication of the balls 2 is required, lubricating oil is injected into the balls 2 through oil holes 303 in the seal blocks 301 to lubricate the balls.

The working principle is as follows: when the slewing bearing assembly is used, after the slewing bearing assembly is transported to a corresponding place, the chain wheel main body 7 is taken out, the chain wheel main body 7 is sequentially placed at two ends of the outer ring 5, the fixing bolts 4 are taken out to be aligned with the hole bodies in the outer ring 5 and the chain wheel main body 7 to be inserted, the nuts 6 are screwed on the outer side wall of the fixing bolts 4 to be fixed, the chain wheel main body 7 is installed, after the chain wheel main body 7 is installed, the four groups of chain wheel main bodies 7 are clamped together through the clamping structures of the clamping blocks 8 and the clamping grooves 9, so that the slewing bearing is installed to be used correspondingly, the sealing block 301 seals a gap between the inner ring 1 and the outer ring 5, so that impurities such as dust are prevented from entering, when the balls 2 need to be lubricated, lubricating oil is injected into the balls 2 through the oil injection holes 303 in the sealing block 301, if the chain wheel main body 7 needs to be disassembled, the fixing bolts 4 are firstly screwed down to be pulled down to separate the outer ring 5 from the chain wheel main body 7, and the chain wheel main body 7 can be taken down, and finally the slewing bearing can be used.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sprocket concatenation formula slewing bearing, includes inner circle (1), its characterized in that: one side of inner circle (1) is provided with ball (2), one side of ball (2) is provided with outer lane (5), the inside top and the bottom of outer lane (5) and sealed protective structure (3) all are provided with sealed protective structure (3), the both ends of outer lane (5) all are provided with sprocket main part (7), the inside of outer lane (5) and sprocket main part (7) is run through and is provided with fixing bolt (4), and the one end of fixing bolt (4) lateral wall is provided with nut (6), the one end of sprocket main part (7) is provided with fixture block (8), the other end of sprocket main part (7) is provided with draw-in groove (9).

2. The chain wheel split slewing bearing of claim 1, wherein: the cross section of the clamping block (8) is matched with that of the clamping groove (9), and a clamping structure is formed between the clamping block (8) and the clamping groove (9).

3. The chain wheel split slewing bearing according to claim 1, wherein: sealed protective structure (3) include cell body (302), the inside both ends of inner circle (1) and outer lane (5) all are provided with cell body (302), the inside of cell body (302) all is provided with sealed piece (301), and the inside of the inside top of cell body (302) sealed piece (301) is provided with oil filler point (303).

4. The chain wheel split slewing bearing of claim 3, wherein: the sealing blocks (301) are arranged in two groups, and the sealing blocks (301) are symmetrically distributed about the central axes of the inner ring (1) and the outer ring (5).

5. The chain wheel split slewing bearing of claim 3, wherein: the oil filler point (303) is provided with a plurality of, a plurality of oil filler point (303) is equidistant distribution in the inside of seal block (301).

6. The chain wheel split slewing bearing of claim 3, wherein: the cross section of the groove body (302) is larger than that of the sealing block (301), and a clamping structure is formed between the groove body (302) and the sealing block (301).

7. The chain wheel split slewing bearing of claim 1, wherein: the chain wheel main body (7) is provided with four groups, and the four groups of chain wheel main bodies (7) form an annular whole through a clamping structure.