CN105972171B

CN105972171B - Quick chain tensioning device

Info

Publication number: CN105972171B
Application number: CN201610520328.5A
Authority: CN
Inventors: 李雪涛; 顾晓庆; 李发宏; 张戈
Original assignee: Laiwu Iron and Steel Group Co Ltd
Current assignee: Laiwu Iron and Steel Group Co Ltd
Priority date: 2016-07-04
Filing date: 2016-07-04
Publication date: 2020-04-17
Anticipated expiration: 2036-07-04
Also published as: CN105972171A

Abstract

The invention provides a chain rapid tensioning device, which comprises: a sprocket for engaging with a chain; the chain wheel seat is rotatably arranged on the chain wheel seat; the chain wheel seat is adjustably fixed on the base. The invention provides a quick tensioning device for maintaining the stable operation of a chain, which is light and simple, does not need to stop a chain device for a long time, can improve the operation stability of the device and prolong the operation life of the device.

Description

Quick chain tensioning device

Technical Field

The invention relates to the technical field of chain equipment maintenance, in particular to a chain rapid tensioning device for tensioning a chain.

Background

In modern industrial plants, the transport, driving, etc. of many products needs to be effected by means of chains. In the running process of the chain, the chain length is too long due to too many links in the long-time working or equipment maintenance process, so that the running state of the chain is unstable, and particularly, the chain derailment or other faults easily occur on a large-pitch chain and a chain with too high running speed. Changing chains, especially large pitch chains, can cause long periods of equipment downtime.

Therefore, there is a need to provide a technique for tensioning a chain without replacing the original chain.

Disclosure of Invention

The invention aims to provide a chain quick tensioning device to realize tensioning of a chain under the condition that the chain is not replaced.

In order to achieve the above purpose, the invention provides the following technical scheme:

a chain fast tensioning device comprises: a sprocket for engaging with a chain; the chain wheel seat is rotatably arranged on the chain wheel seat; the chain wheel seat is adjustably fixed on the base.

Preferably, in the above chain quick tensioning device, further comprising: and the guide mechanism is arranged on the chain wheel seat and used for enabling the chain to be accurately meshed with the chain wheel through the chain.

Preferably, in the chain rapid tensioning device, the guide mechanism is four cylindrical rollers with parallel axes, and the axis of each roller is parallel to the axis of the sprocket; every two gyro wheels constitute a set of, two sets of gyro wheel is located respectively the both sides of sprocket.

Preferably, in the chain rapid tensioning device, the chain wheel seat comprises a top plate and two side plates, the top plate has two opposite edges, and the two opposite edges of the top plate are respectively fixed to the two side plates; the chain wheel is positioned between the two side plates.

Preferably, in the chain rapid tensioning device, an observation window is arranged in a region of the top plate corresponding to the sprocket.

Preferably, in the chain rapid tensioning device, the cross section of the sprocket seat formed by the top plate and the two side plates is U-shaped, and the two side plates are adjustably fixed on the base.

Preferably, in the chain rapid tensioning device, the outer surfaces of the two side plates are respectively provided with an adjusting plate extending downwards; the base is U-shaped plate structure, includes two bottom side boards, is located two bottom plate between the bottom side board, two the regulating plate is located two respectively the surface of bottom side board, the regulating plate position is fixed in adjustably on the bottom side board.

Preferably, in the chain rapid tensioning device, the adjusting plate is provided with a long hole extending along the length direction, the bottom side plate is provided with a plurality of parallel fixing holes, and the arrangement direction of the plurality of fixing holes is consistent with the extension direction of the long hole.

Preferably, in the chain rapid tensioning device, the adjusting plate is L-shaped.

Preferably, in the chain rapid tensioning device, the bottom plate is provided with a plurality of bottom holes.

The chain equipment is convenient and simple to use, long-time shutdown of the chain equipment is not needed, the operation stability of the chain equipment can be improved, and the operation life of the equipment can be prolonged.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a side view of an embodiment of the present invention;

FIG. 3 is a bottom view of an embodiment of the present invention;

FIG. 4 is a perspective view of an embodiment of the present invention;

FIG. 5 is a front view of a sprocket seat according to an embodiment of the present invention;

FIG. 6 is a side view of a sprocket seat of an embodiment of the present invention;

FIG. 7 is a top view of a sprocket seat according to an embodiment of the present invention;

FIG. 8 is a perspective view of a sprocket seat according to an embodiment of the present invention;

FIG. 9 is a front view of a roller according to an embodiment of the present invention;

FIG. 10 is a perspective view of a roller according to an embodiment of the present invention;

FIG. 11 is a perspective view of a sprocket according to an embodiment of the present invention;

fig. 12 is a perspective view of a base in an embodiment of the invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the embodiment of the invention comprises a chain wheel seat 1, a roller 2, a chain wheel 3 and a base 4.

As further shown in fig. 5 to 8, the sprocket seat 1 of the embodiment of the present invention includes two side plates 11, a top plate 14, and two adjusting plates 16. In particular, the top plate 14 is substantially rectangular and has two opposite edges fixed to the upper edges of the two side plates 11, respectively, and the top plate 14 and the side plates 11 may be welded or integrally formed. Thereby, the cross section of the chain wheel seat 1 formed by the top plate 14 and the two side plates 11 is U-shaped.

Preferably, the outer surfaces of the two side plates 11 are respectively provided with a downwardly extending adjustment plate 16, and the adjustment plate 16 is in the shape of a narrow strip, which is significantly narrower than the lower portion of the side plates 11. Further, the upper end of the adjusting plate 16 is bent to form a bending section 18, so that the adjusting plate 16 is L-shaped as a whole; the bending section 18 is vertically fixed on the outer surface of the side plate 11, and the arrangement of the bending section 18 can enable the space below the chain wheel seat 1 to be larger, so that the specification of the base 4 is increased, and meanwhile, the operation and installation are facilitated. The adjusting plate 16 is provided with two elongated holes 17 along its length so that the adjusting plate 16 can be coupled to the base 4 lightly and simply. However, in other embodiments, the two side plates 11 may be directly position-adjustably fixed to the base, and the adjustment plate 16 is not necessarily provided.

Further, the top plate 14 is provided with an observation window 15, and the observation window 15 corresponds to the sprocket 3 below the observation window 15, so that the operation state of the sprocket can be observed when the present embodiment is applied. The two side plates 11 are respectively provided with a corresponding through hole 12 and a corresponding through hole 13, and the height of the through hole 12 is slightly higher than that of the through hole 13. On the side plate 11 on one side, the number of through holes 12 corresponds to the number of rollers 2, and the through hole 13 is located in the middle of the four through holes 12 and is larger for assembling the axle 30 of the sprocket 3.

As shown in fig. 9-10, the roller 2 of the present embodiment has a cylindrical (or cylindrical) shape, a smooth surface, and short posts 21 at two ends for inserting into the through holes 12 of the side plates 11. Of course, it is preferable that the stub 21 and the through hole 12 be smooth and lubricable. The roller 2 in this embodiment mainly has a guiding function to guide the chain accurately and stably onto the sprocket 3 to engage with it. In other embodiments, the guide mechanism including the roller may not be provided if the chain can be stabilized or stabilized with other guide mechanisms.

As shown in fig. 11, the sprocket 3 of this embodiment has a through hole 31 at the center thereof through which the sprocket shaft 30 passes for supporting the sprocket 3 to rotate.

As shown in fig. 12, the base 4 of the present embodiment is a U-shaped plate structure, which includes two bottom side plates 41 and a bottom plate 43 located between the two bottom side plates 41, and the bottom plate 43 and the bottom side plates 41 can be welded or integrally formed.

The bottom side plate 41 is provided with a plurality of parallel fixing holes 42, and the fixing holes 42 can be screw holes or unthreaded holes. The arrangement direction of the plurality of fixing holes 42 is aligned with the extending direction of the long holes 17 of the adjusting plate 16 outside thereof. The bottom plate 43 is provided with a plurality of bottom holes 44 for fixing the base 4 to a chain device or other supports. Of course, the base plate 4 may be welded to other equipment or other supports.

When assembling the present embodiment, the roller 2 and the sprocket 3 are arranged between the two side plates 11 of the sprocket seat 1 as shown in fig. 1-4. Four gyro wheels 2 are two by two a set of, and every group gyro wheel 2 is located the both sides of sprocket 3. The axis of each roller 2 and the axis of the sprocket 3 must be parallel to each other.

When the chain is applied, the base 4 is fixed above or below the chain by passing through the bottom hole 44 through the bolt, then the adjusting plate 16 is sleeved on the outer surface of the bottom side plate 41 of the base 4, the chain passes through the lower part of one group of rollers 2, is meshed with the chain wheel 3 and then passes through the lower part of the other group of rollers 2. After the height of the adjusting plate 16 is adjusted and the chain is tensioned, the chain is fixed by nuts after the bolts pass through the long holes 17 and the corresponding fixing holes 42, and the bolts are inserted into different fixing holes 42 to adjust the chain to be in different tension degrees.

Compared with the prior retainer ring mounting tool, the chain tensioning adjusting tool has the advantages of simple and easy operation of chain tensioning adjustment, no need of long-time halt, simple overall structure and convenient mounting and dismounting.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The utility model provides a quick tight device that rises of chain which characterized in that includes: a sprocket for engaging with a chain; the chain wheel seat is rotatably arranged on the chain wheel seat; the base, sprocket seat position is fixed in adjustably on the base, still include: the guide mechanism is arranged on the chain wheel seat and used for enabling the chain to be accurately meshed with the chain wheel through the chain, the guide mechanism is four cylindrical rollers with parallel axes, and the axis of each roller is parallel to the axis of the chain wheel; every two rollers form a group, and the two groups of rollers are respectively positioned at two sides of the chain wheel;

the chain wheel seat comprises a top plate and two side plates, wherein the top plate is provided with two opposite edges, and the two opposite edges of the top plate are respectively fixed on the two side plates; the chain wheel is positioned between the two side plates;

an observation window is arranged in the region, corresponding to the chain wheel, on the top plate;

the chain wheel seat formed by the top plate and the two side plates has a U-shaped cross section, and the two side plates are adjustably fixed on the base;

the outer surfaces of the two side plates are respectively provided with a regulating plate extending downwards; the base is of a U-shaped plate structure and comprises two bottom side plates and a bottom plate positioned between the two bottom side plates, the two adjusting plates are respectively positioned on the outer surfaces of the two bottom side plates, the adjusting plates are adjustably fixed on the bottom side plates, and the adjusting plates are L-shaped;

the adjusting plate is provided with a long hole extending along the length direction, the bottom side plate is provided with a plurality of parallel fixing holes, and the arrangement direction of the fixing holes is consistent with the extending direction of the long hole.

2. The chain rapid tensioning device according to claim 1, wherein a plurality of bottom holes are formed on the bottom plate.