CN212564306U

CN212564306U - Sprocket device, lifting system and coal mine underground support carrier

Info

Publication number: CN212564306U
Application number: CN202020491235.6U
Authority: CN
Inventors: 王泽康; 郑军林; 孙俊达; 王力彬; 薛世斌; 张彤
Original assignee: Aerospace Heavy Industry Co ltd
Current assignee: Aerospace Heavy Industry Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-19
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a sprocket gear is applied to the hoist system of a colliery underground carriage carrier, include: the chain wheel, the left gear mechanism and the right gear mechanism; the chain wheel is sleeved at the tail end of the lifting system; the left gear mechanism is fixedly arranged on the left side of the chain wheel; the right gear tooth mechanism is fixedly arranged on the right side of the chain wheel. The utility model also discloses a hoist system and colliery underground coal mine support carrier. The embodiment of the utility model provides a through providing a sprocket gear, hoist system and colliery underground carriage carrier, the unilateral teeth of a cogwheel atress of having solved among the prior art sprocket takes place to break off with the fingers and thumb the tooth after scrapping promptly, unable prosthetic technical problem has reduced the replacement cost.

Description

Sprocket device, lifting system and coal mine underground support carrier

Technical Field

The utility model relates to a mine auxiliary transportation equipment technical field especially relates to a sprocket device, hoist system and colliery underground carriage carrier.

Background

With continuous development of underground large-mining-height working faces in recent years, fully-mechanized mining equipment tends to be developed more and more in high power, large mining height and intellectualization. The hydraulic support is used as a hydraulic power device for roof support and management, and the tonnage of the hydraulic support is increased based on the requirement of large mining height.

The hydraulic support carrier is a novel special tool which is developed and developed specially aiming at the transportation or long-distance transportation of a hydraulic support in the process of transporting a fully mechanized coal mining face and reversing the face, and is essential auxiliary transportation equipment for the modern coal mining process. The lifting mechanism is a special mechanism which is arranged on a frame of a hydraulic support carrier and used for lifting and loading a hydraulic support, and the principle of the lifting mechanism is that a chain wheel is driven by an oil cylinder, and the chain wheel drives a chain and a hook to lift and transport the hydraulic support.

In the process of implementing the technical scheme of the invention in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems: lifting mechanism is at the course of the work, because hydraulic support's rocking and the unbalance of chain atress, the tooth phenomenon is broken off with the fingers and thumb in the unilateral teeth of a cogwheel atress that easily leads to chain and sprocket, and traditional sprocket formula design as an organic whole, because the intensity requirement of sprocket is high, breaks off with the fingers and thumb the back sprocket and scrap promptly, unable restoration, and the replacement cost is big.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a through providing a sprocket gear, hoist system and colliery underground carriage carrier, the unilateral teeth of a cogwheel atress of having solved among the prior art sprocket takes place to break off with the fingers and thumb the tooth after scrapping promptly, unable prosthetic technical problem has reduced the replacement cost.

The embodiment of the utility model provides an aspect provides a sprocket gear is applied to the hoist system of a colliery underground carriage carrier, include:

the chain wheel, the left gear mechanism and the right gear mechanism;

the middle part of the chain wheel is provided with a first through hole, and the chain wheel is sleeved at the tail end of the lifting system through the first through hole;

the left gear mechanism is fixedly arranged on the left side of the chain wheel;

the right gear tooth mechanism is fixedly arranged on the right side of the chain wheel.

Furthermore, a plurality of left grooves are formed in the left side of the chain wheel;

the right side of the chain wheel is provided with a plurality of right-direction grooves.

Further, the left gear mechanism includes:

and the left gear teeth are fixedly arranged on the chain wheel through the left groove.

Further, the right gear tooth mechanism comprises:

the right gear teeth are fixedly arranged on the chain wheel through the right-side groove.

Furthermore, the left groove, the right groove, the left gear tooth and the right gear tooth are the same in number.

Further, the sprocket apparatus further comprises:

the left wheel tooth is provided with a threaded hole, the bottoms of the left groove and the right groove are provided with a second through hole, the right wheel tooth is provided with a countersunk through hole, and the mounting bolts are sequentially inserted into the countersunk through holes and the second through holes and fixedly connected with the left wheel tooth through the threaded holes. The embodiment of the utility model provides an on the other hand still provides a hoist system, is applied to a colliery underground supporting carrier, including the aforesaid sprocket assembly.

The embodiment of the utility model provides an on the other hand still provides a colliery is support carrier in pit, including the aforesaid sprocket assembly.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

through adopting the sprocket, the split type structural design of left side cog mechanism and right-hand wheel cog mechanism for the sprocket appear break off with the fingers and thumb the tooth trouble back only need change trouble cog mechanism can, reduced the replacement cost.

Drawings

Fig. 1 is a schematic structural view of a sprocket apparatus according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of the sprocket assembly shown in fig. 1, shown disassembled.

Detailed Description

For solving the too big difficult problem of replacement cost of breaking off with the fingers and thumb tooth with fingers and thumb of traditional support carrier hoist mechanism integral type sprocket, this application embodiment provides a dismantled and assembled gear-tooth formula sprocket assembly, appear break off with the fingers and thumb tooth trouble back only need change the trouble teeth of a cogwheel can, reduced the replacement cost.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example one

The embodiment of the application provides a sprocket 1 device for a lifting system of a colliery underground carriage carrier, includes: the chain wheel comprises a chain wheel 1, a left gear mechanism 2, a right gear mechanism 3 and a plurality of mounting bolts 4; the middle part of the chain wheel 1 is provided with a first through hole, and the chain wheel 1 is sleeved at the tail end of the lifting system through the first through hole; the left gear mechanism 2 is fixedly arranged on the left side of the chain wheel 1; the right gear tooth mechanism 3 is fixedly arranged on the right side of the chain wheel 1. A plurality of left grooves are arranged on the left side of the chain wheel 1; the right side of the chain wheel 1 is provided with a plurality of right-direction grooves.

The left gear mechanism 2 includes: a plurality of left gear teeth 5, left gear teeth 5 pass through left side groove fixed setting on sprocket 1. The right gear tooth mechanism 3 includes: a plurality of right teeth 6, right teeth 6 are fixed on sprocket 1 through right-hand groove. The left groove, the right groove, the left gear tooth 5 and the right gear tooth 6 are the same in number.

And a threaded hole 7 is formed in the left gear tooth 5, a second through hole 8 is formed in the bottom of the left groove and the bottom of the right groove, a countersunk through hole 9 is formed in the right gear tooth 6, and the mounting bolt is sequentially inserted into the countersunk through hole 9 and the second through hole 8 and is fixedly connected with the left gear tooth 5 through the threaded hole 7.

As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a pair of sprocket 1 device, 1 left side of sprocket is opened has 5 left side grooves, be used for installing left teeth of a

cogwheel

5, 1 right side of sprocket is opened has 5 right side grooves, be used for installing right teeth of a cogwheel 6, left teeth of a cogwheel 5 is the same with the structure and the quantity of right teeth of a cogwheel 6, left teeth of a cogwheel 5 and right teeth of a cogwheel 6 number can be adjusted as required, 5 have respectively for left teeth of a cogwheel 5 and right teeth of a cogwheel 6 in the embodiment of the application, the number of construction bolt also can be adjusted as required, be equipped with 10 construction bolt 4. When the chain wheel 1 device provided by the embodiment of the application is used for working, the chain wheel 1 is firstly sleeved on a lifting system of a bracket carrier under a coal mine, the lifting system drives the chain wheel 1 device through an oil cylinder, the chain wheel 1 device drives a chain and a hook to lift and carry a hydraulic bracket, when the lifting system works, due to the shaking of the hydraulic bracket and the unbalance of the stress of the chain, when the left gear tooth 5 or the right gear tooth 6 of the easy chain wheel 1 device is stressed and broken, a worker removes a damaged gear through the mounting bolt 4, and replacing the new left gear teeth 5 or the new right gear teeth 6.

Example two

The embodiment of the utility model provides an on the other hand still provides a hoist system, is applied to a colliery underground supporting carrier, including the aforesaid sprocket assembly.

EXAMPLE III

1. through adopting the sprocket, the split type structural design of left teeth of a cogwheel and right teeth of a cogwheel for the sprocket appear break off with the fingers and thumb the tooth trouble back only need change trouble left teeth of a cogwheel or right teeth of a cogwheel can, reduced the replacement cost.

2. Through adopting the structural design that the left gear teeth and the right gear teeth are fixedly connected on the chain wheel by the mounting bolts, the operation is simple and convenient when the damaged gear is replaced, and the replacement time is saved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a sprocket assembly, is applied to the hoist system of a colliery underground carriage carrier, its characterized in that includes:

the chain wheel, the left gear mechanism and the right gear mechanism;

2. The sprocket assembly as set forth in claim 1, wherein:

a plurality of left grooves are formed in the left side of the chain wheel;

3. The sprocket assembly as set forth in claim 2, wherein said left gear tooth mechanism comprises:

4. The sprocket assembly as set forth in claim 3, wherein said right gear tooth mechanism comprises:

5. The sprocket assembly as set forth in claim 4, wherein:

the left groove, the right groove, the left gear tooth and the right gear tooth are the same in number.

6. The sprocket assembly as set forth in claim 5, further comprising:

the left wheel tooth is provided with a threaded hole, the bottoms of the left groove and the right groove are provided with a second through hole, the right wheel tooth is provided with a countersunk through hole, and the mounting bolts are sequentially inserted into the countersunk through holes and the second through holes and fixedly connected with the left wheel tooth through the threaded holes.

7. A lifting system for a coal mine underground rack truck comprising the sprocket assembly of any one of claims 1 to 6.

8. A coal mine underground rack truck comprising the sprocket apparatus of claim 7.