CN209743468U - Chain shock absorber - Google Patents

Abstract

The utility model relates to a chain damper, which comprises a fixed seat, wherein the upper end of the middle part of the fixed seat is provided with a fixed column, the upper end of the fixed column is connected with an elastic component, the upper end of the elastic component is connected with a support rod, the other end of the support rod is fixed with a bearing, and the excircle of the bearing is provided with a toothed ring; the elastic assembly comprises a lower end block fixed at the upper end of the fixed column and an upper end block fixed at the lower end of the support rod, the lower end block is connected with the upper end block through the spring, bolt holes are formed in the lower end block and the upper end block, the upper end of the fixed column is fixed with the lower end block through a bolt, and the lower end of the support rod is fixed with the upper end block through a bolt; the utility model discloses can reduce the chain effectively and rotate the vibration of in-process to the thing of avoiding falling the chain takes place, makes the equipment operation safety and stability more.

Description

chain shock absorber

Technical Field

The utility model belongs to the technical field of the chain bumper shock absorber, concretely relates to chain bumper shock absorber.

Background

The chain transmission can form a compact whole at the connection part of a machine, and is a key component for improving mechanical performance, and has the advantages of higher transmission efficiency, no elastic sliding and slipping, accurate average transmission ratio maintenance, smaller pressure shaft force, large transmission power, strong overload capacity, long transmission distance and the like, can well work under low-speed heavy load, and can adapt to severe environments such as dustiness, oil stain, corrosion and high-strength occasions, so the chain transmission is widely applied to various devices, but the chain transmission process, especially the problem of overlarge chain vibration in the long-distance chain transmission process can often occur.

SUMMERY OF THE UTILITY MODEL

the utility model aims at: the utility model provides a chain shock absorber can reduce the chain effectively and rotate the vibration of in-process to avoid falling the thing of chain and take place, make equipment operation safety and stability more.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A chain damper comprises a fixed seat, wherein a fixed column is arranged at the upper end of the middle part of the fixed seat, an elastic assembly is connected to the upper end of the fixed column, a supporting rod is connected to the upper end of the elastic assembly, a bearing is fixed to the other end of the supporting rod, and a toothed ring is arranged on the outer circle of the bearing; the elastic assembly comprises a lower end block fixed at the upper end of the fixed column and an upper end block fixed at the lower end of the support rod, and the lower end block is connected with the upper end block through a spring.

Furthermore, bolt holes are formed in the lower end block and the upper end block, the upper end of the fixing column is fixed with the lower end block through a bolt, and the lower end of the supporting rod is fixed with the upper end block through a bolt.

Further, two ends of the spring are respectively welded with the lower end block and the upper end block.

Further, the spring is a bending spring made of stainless steel.

Furthermore, a plurality of threaded holes are formed in the fixing seat.

further, the fixing column is fixed on the fixing seat through welding.

Further, the gear ring is tightly matched with the outer circle of the bearing.

Further, the bearing is a rolling ball bearing.

The utility model has the advantages that:

The utility model discloses in be provided with elastic component, elastic component includes lower end piece, spring and upper end piece, and the spring adopts stainless steel's crooked spring, makes the utility model discloses have certain elasticity, can cushion the vibration for the more steady of chain operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention in an operating state;

the device comprises a fixing seat 1, a fixing seat 2, a fixing column 3, an elastic component 301, a lower end block 302, a spring 303, an upper end block 4, a supporting rod 5, a bearing 6 and a toothed ring.

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. 1-2, a chain damper comprises a fixed seat 1, wherein a fixed column 2 is arranged at the upper end of the middle part of the fixed seat 1, an elastic component 3 is connected to the upper end of the fixed column 2, a support rod 4 is connected to the upper end of the elastic component 3, a bearing 5 is fixed at the other end of the support rod 4, and a toothed ring 6 is arranged on the outer circle of the bearing 5; the elastic component 3 comprises a lower end block 301, a spring 302 and an upper end block 303, the elastic component 3 comprises a lower end block 301 fixed at the upper end of the fixed column 2 and an upper end block 303 fixed at the lower end of the support rod 4, and the lower end block 301 and the upper end block 303 are connected through the spring 302.

in this embodiment, the lower end block 301 and the upper end block 303 are both provided with bolt holes, the upper end of the fixing column 2 is fixed with the lower end block 301 through a bolt, and the lower end of the support rod 4 is fixed with the upper end block 303 through a bolt; the spring 302 is welded with the lower end block 301 and the upper end block 303 at two ends respectively, and because the spring is easy to anneal after being subjected to high temperature in the welding process, the elasticity and the strength of the spring are reduced to influence the performance of the spring, and a low-temperature welding technology is selected during welding, the spring 302 adopted in the embodiment is a stainless steel bending spring, so that WEWELDING600 welding rods are adopted, and WEWELDING600 alloy steel welding rods are welded by adopting a cold welding process, so that the low-heat output is realized, the special nickel-chromium alloy steel welding rods suitable for omnibearing welding are adopted, the universality is extremely wide, the high-strength general base metal strength design is adopted, the high-strength general base metal welding rod has excellent welding process performance, the electric arc is stable, the welding seam is uniform and attractive, and the welding effect is excellent under the conditions of oil, water; (ii) a The fixed seat 1 is provided with a plurality of threaded holes for fixing the utility model on the equipment; the fixed column 2 is fixed on the fixed seat 1 through welding; the gear ring 6 is tightly matched with the excircle of the bearing 5; the bearing 5 is a rolling ball bearing.

The utility model discloses when implementing:

The fixing seat 1 in the utility model is fixed on the equipment through the bolt, the toothed ring 6 is abutted to the lower end of the chain by adjusting the angles between the elastic component 3 and the fixing column 2 and between the elastic component 3 and the supporting rod 4 and fixing the angles by using the bolt, and the spring 302 in the elastic component 3 has certain deformation, and at the moment, under the action of the elastic force of the spring 302, the toothed ring 6 applies certain pressure to the chain; when the chain moves, the chain drives the toothed ring 6 to rotate, and because the upper end of the supporting rod 4 is provided with the bearing 5, the friction force when the toothed ring 6 rotates is very small, the noise is low, and meanwhile, because the spring 302 is always in a deformation state, the toothed ring 6 always has certain pressure on the chain, so that the vibration damping of the chain is increased, the vibration amplitude of the chain is reduced, the falling probability of the chain is greatly reduced, and the running stability and the safety of the equipment are greatly increased.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a chain shock absorber, includes fixing base (1), its characterized in that: a fixed column (2) is arranged at the upper end of the middle part of the fixed seat (1), an elastic component (3) is connected to the upper end of the fixed column (2), a supporting rod (4) is connected to the upper end of the elastic component (3), a bearing (5) is fixed to the other end of the supporting rod (4), and a toothed ring (6) is arranged on the excircle of the bearing (5); the elastic assembly (3) comprises a lower end block (301), a spring (302) and an upper end block (303), the elastic assembly (3) comprises a lower end block (301) fixed at the upper end of the fixed column (2) and an upper end block (303) fixed at the lower end of the supporting rod (4), and the lower end block (301) is connected with the upper end block (303) through the spring (302).

2. The chain damper as claimed in claim 1, wherein: the lower end block (301) and the upper end block (303) are respectively provided with a bolt hole, the upper end of the fixing column (2) is fixed with the lower end block (301) through a bolt, and the lower end of the support rod (4) is fixed with the upper end block (303) through a bolt.

3. The chain damper as claimed in claim 1, wherein: and two ends of the spring (302) are respectively welded with the lower end block (301) and the upper end block (303).

4. The chain damper as claimed in any one of claims 1 to 3, wherein: the spring (302) is a stainless steel bending spring.

5. The chain damper as claimed in claim 1, wherein: the fixing seat (1) is provided with a plurality of threaded holes.

6. The chain damper as claimed in claim 1, wherein: the fixing column (2) is fixed on the fixing seat (1) through welding.

7. The chain damper as claimed in claim 1, wherein: the gear ring (6) is tightly matched with the excircle of the bearing (5).

8. The chain damper as recited in claim 7, wherein: the bearing (5) is a rolling ball bearing.