CN210461607U

CN210461607U - Detachable chain wheel

Info

Publication number: CN210461607U
Application number: CN201921355701.1U
Authority: CN
Inventors: 许超
Original assignee: Jiangsu Xuetao Heavy Industry Technology Co ltd
Current assignee: Jiangsu Xuetao Heavy Industry Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-05
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a removable sprocket, including the sprocket body, the outer periphery of sprocket body is equipped with the fixed plate, still includes the sprocket piece of split type structure, divide into first half sprocket piece and second half sprocket piece, first half sprocket piece and second half sprocket piece structure are the same, and its inside all is provided with fixed plate complex sunken draw-in groove, splint are all installed in first half sprocket piece and the two outsides of second half sprocket piece, splint pass through the bolt with the sprocket piece with the fixed plate locking. The utility model discloses design into removable sprocket with traditional integral type sprocket, make into two half sprocket pieces with the sprocket piece, when the sprocket piece needs to be changed, only need to twist out the bolt of half sprocket piece, take out half sprocket piece and more renew half sprocket piece, need not to demolish bearing, speed reducer and sprocket body to reduce the change time, improved work efficiency, and can not damage the axle at the change in-process, also can reach original work effect equally after changing.

Description

Detachable chain wheel

Technical Field

The utility model belongs to the technical field of the sprocket technique and specifically relates to a removable sprocket.

Background

Chain transmission is widely applied to occasions of mechanical transmission, material conveying and the like in various industries, a chain wheel is the most main part in the chain transmission process, and the chain wheel which reaches the service life or is accidentally damaged needs to be replaced.

The chain wheel among the prior art mostly adopts the integral type, especially install the chain wheel on the lifting machine, it generally all is in high altitude 15-20m position, the lifting machine is because 24 hours uninterrupted duty, the chain wheel often can take place wearing and tearing, long-term use, when receiving wearing and tearing or fracture and need changing, must shut down, change the chain wheel, must demolish bearing and speed reducer during the change, then pull out whole chain wheel from the one end of axle, it is more time-consuming and labouring to change like this, and the chain wheel can cause surface damage along the axle pull out counter shaft, can cause the during operation situation such as the seizure that generates heat after new chain wheel is installed, and there is certain potential safety hazard in high altitude construction.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a detachable chain wheel with a reasonable structure, so that the problems in the background art are solved, the dismounting time is saved, the labor intensity of workers is reduced, the working efficiency is improved, and the replacement and maintenance cost of the chain wheel is reduced.

The utility model discloses the technical scheme who adopts as follows:

the utility model provides a removable sprocket, includes the sprocket body, the outer periphery of sprocket body is equipped with the fixed plate, still includes the sprocket piece of split type structure, divide into first half sprocket piece and second half sprocket piece, first half sprocket piece and second half sprocket piece structure are the same, and its inside all is provided with the sunken draw-in groove of fixed plate complex, splint are all installed in first half sprocket piece and the two outsides of second half sprocket piece, splint pass through the bolt with the sprocket piece with the fixed plate locking.

Preferably, the split of the first sprocket half and the second sprocket half forms a full root of the sprocket.

Preferably, the first and second sprocket halves are two symmetrical semicircular sprocket halves.

Preferably, the fixing plate is welded and fixed with the sprocket body.

Preferably, the middle part of the chain wheel body is provided with a shaft hole and is arranged on the periphery of the shaft through a key.

Preferably, the outer circumferential surface of the sprocket body is provided with a first step, and the fixing plate is welded at the first step.

Preferably, two outer side surfaces of the fixing plate are provided with second steps, and the second steps are abutted to the head of the sprocket piece.

Preferably, the bolt is plural.

Preferably, the bolt is a hexagon head reamed hole bolt.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure and convenient operation, adopts the chain wheel with split structure, cuts a complete chain wheel piece into a first half chain wheel piece and a second half chain wheel piece at the tooth root, and then respectively connects and fixes the first half chain wheel piece and the second half chain wheel piece with the fixing plate and the clamping plate on the chain wheel body by bolts; through install splint in sprocket piece both sides outside, can be better play the fixed action to the sprocket piece under the high-speed condition of running of sprocket. When the chain wheel piece needs to be replaced or repaired, the bolt at the worn half chain wheel piece is screwed out, the half chain wheel piece is taken out to replace a new half chain wheel piece, the other half chain wheel piece is replaced in the same way, and the bearing, the speed reducer and the chain wheel body do not need to be dismantled, so that the replacement time is reduced, the working efficiency is improved, the labor intensity of workers is reduced, the shaft cannot be damaged in the replacement process, and the original working effect can be achieved after the replacement.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a full sectional view taken along a-a in fig. 1.

Wherein: 1. a sprocket body; 2. a sprocket blade; 21. a first half sprocket; 22. a second half sprocket; 3. a splint; 4. a fixing plate; 5. a bolt; 6. a tooth root; 7. a shaft.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a removable sprocket, includes sprocket body 1, the outer periphery of sprocket body 1 is equipped with fixed plate 4, fixed plate 4 with sprocket body 1 welded fastening still includes the sprocket 2 of split type structure, divide into first half sprocket 21 and second half sprocket 22, first half sprocket 21 and second half sprocket 22 structure are the same, and its inside all is provided with fixed plate 4 complex sunken draw-in groove, splint 3 is all installed in first half sprocket 21 and the two outsides of second half sprocket 22, splint 3 through bolt 5 with sprocket 2 with fixed plate 4 locking.

Wherein the first and

second sprocket halves

21, 22 may be two symmetrical semi-circular sprocket halves cut at the tooth root by the sprocket 2; a first step is arranged on the outer circumferential surface of the chain wheel body 1, and the fixing plate 4 can be welded at the first step; the middle part of the chain wheel body 1 is provided with a shaft hole and is arranged on the periphery of the shaft 7 through a key; two outer side surfaces of the fixing plate 4 are provided with second steps, and the second steps are abutted to the head part of the chain wheel piece 2; the bolt 5 may be a plurality of hexagon-headed reamed hole bolts.

According to the detachable chain wheel, the fixing plate 4 is welded on the outer circumferential surface of the chain wheel body 1, so that the detachable chain wheel can be matched with the concave clamping groove in the chain wheel piece 2, and the second steps are arranged on the two outer side surfaces of the fixing plate 4, so that the second steps are abutted to the head of the chain wheel piece 2, and the chain wheel piece 2 is simpler and more convenient to mount and fix; a plurality of bolts are adopted, so that the connection between the first half sprocket piece 21 and the second half sprocket piece 22 and the clamping plate 3 and the fixing plate 4 is firmer; and the clamping plates 3 are arranged on the two outer sides of the chain wheel blade 2, so that the chain wheel blade 2 can be better fixed under the condition that the chain wheel runs at high speed.

The sprocket receives wearing and tearing or the teeth of a cogwheel fracture in the use, when needing to change sprocket 2, only needs first half sprocket 21 or the second half sprocket 22 that will change to rotate to the top, then unscrews the bolt, takes out or extracts this half sprocket from the fixed plate again, changes into new half sprocket, changes another half sprocket with the same reason. The replacement process is convenient to disassemble, the bearing, the speed reducer and the chain wheel body 1 do not need to be disassembled, and the shaft 7 is not damaged in the replacement process, so that the disassembly and assembly time is saved, the working efficiency is improved, the replacement and maintenance cost of the chain wheel is reduced, and the original working effect can be achieved after replacement; and the half chain wheel piece that will change rotates to the top and dismantles, can avoid dropping of chain wheel piece in the dismouting in-process.

The foregoing is merely a description of the embodiments of the present invention, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A removable sprocket, includes sprocket body (1), its characterized in that: the outer periphery of sprocket body is equipped with fixed plate (4), still includes sprocket (2) of split type structure, divide into first half sprocket (21) and second half sprocket (22), first half sprocket (21) and second half sprocket (22) structure are the same, and its inside all is provided with the sunken draw-in groove with fixed plate (4) complex, splint (3) are all installed in first half sprocket (21) and second half sprocket (22) two outsides, splint (3) pass through the bolt with sprocket (2) with fixed plate (4) locking.

2. The removable sprocket as set forth in claim 1, wherein: the split of the first sprocket half (21) and the second sprocket half (22) forms a full tooth root (6) of the sprocket (2).

3. The removable sprocket as set forth in claim 1 or 2, wherein: the first half chain wheel piece (21) and the second half chain wheel piece (22) are two symmetrical semicircular chain wheel pieces.

4. The removable sprocket as set forth in claim 1, wherein: the fixing plate (4) is welded and fixed with the chain wheel body (1).

5. The removable sprocket as set forth in claim 1, wherein: the middle part of the chain wheel body (1) is provided with a shaft hole and is arranged on the periphery of the shaft (7) through a key.

6. The removable sprocket as set forth in claim 1, wherein: the outer circumferential surface of the chain wheel body (1) is provided with a first step, and the fixing plate (4) is welded at the first step.

7. The removable sprocket as set forth in claim 1, wherein: and second steps are arranged on two outer side surfaces of the fixing plate (4) and are abutted to the head of the chain wheel piece (2).

8. The removable sprocket as set forth in claim 1, wherein: the number of the bolts (5) is multiple.

9. The removable sprocket as set forth in claim 1, wherein: the bolt (5) is a hexagon head reamed hole bolt.