CN210003272U

CN210003272U - opencast coal mine coal mining system

Info

Publication number: CN210003272U
Application number: CN201920499380.6U
Authority: CN
Inventors: 陈艳红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-31
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to an opencut coal mine coal mining system, including the coal-winning machine, the coal-winning machine includes the traction part, the coal-winning machine track is arranged along the coal face of opencut coal mine, and with the traction part cooperation, conveyor is used for carrying away the coal to and running gear, running gear is used for ordering about coal-winning machine and coal-winning machine track are along the direction motion of roughly perpendicular to the coal face, the utility model discloses use the coal-winning machine that well industry and mining commonly used to open-pit coal mining, solved the drawback that current open-pit coal mining equipment can't coal in succession, and coal mining system simple structure, the fault rate is low, has reduced manufacturing cost when having improved coal-winning open-pit efficiency.

Description

opencast coal mine coal mining system

Technical Field

The utility model belongs to the coal mining field, concretely relates to coal mining system of kind opencut coal mines.

Background

The coal mining of the open pit coal mine has various coal mining processes, wherein a single bucket-truck-semi-movable crushing station-belt conveyor, a single bucket-self-movable crushing station-belt conveyor are main coal mining processes, and the processes are all semi-continuous coal mining processes because an electric shovel is a necessary coal mining device in the coal mining process.

SUMMERY OF THE UTILITY MODEL

In order to solve at least problems, the utility model provides a opencut coal mine coal mining systems.

The utility model discloses aspect provides kind opencut coal mine coal mining systems, include:

a shearer including a traction portion;

the coal mining machine track is arranged along the coal face of the open pit coal mine and is matched with the traction part;

the conveying device is used for conveying the coal away; and the number of the first and second groups,

and the traveling device is used for driving the coal mining machine and the coal mining machine rail to move along the direction approximately vertical to the coal mining working face.

In embodiments of the present invention, the shearer is a twin drum shearer.

In the embodiments of the present invention, the traction unit includes a traction mechanism and a driving device, the traction mechanism cooperates with the coal mining machine rail, and the driving device is used for driving the traction mechanism to travel along the coal mining machine rail.

In embodiments of the present invention, the conveying device includes a scraper conveyor.

In the utility model discloses an some embodiments, conveyor includes elevating conveyor, breaker and belt conveyor, and the elevating conveyor is used for transporting scraper conveyor's coal to the breaker, and the coal is carried away by belt conveyor after the breaker is broken.

In embodiments of the present invention, the shearer track is physically located with the scraper conveyor .

In , the traveling device is a power device fixedly connected with the track of the coal mining machine, and the power device comprises a hydraulic device or a crawler.

In , the traveling device is an engineering vehicle capable of driving the coal mining machine and the coal mining machine to move on a track, and the engineering vehicle comprises a bulldozer.

The utility model discloses an useful part lies in:

1. reduction of coal mining cost per ton

Compared with the traditional mining process of the strip mine, the roller coal mining machine is used for cutting coal mining, the broken link of an -grade crusher is not needed for the coal after mining, and pre-mining blasting is also not needed, so that two working procedures are saved compared with the traditional mining process of the strip mine, and the mining cost of the coal mining machine, such as a double-roller coal mining machine, is reduced by about 2.72 yuan/ton compared with the mining cost of an electric shovel under the same condition.

2. The production efficiency is improved

The utility model discloses use the open-air coal mining with the drum shearer of the common use of well industry ore deposit, solved the unable drawback of coal mining in succession of current open-air coal mining equipment, improved open-air coal mining efficiency.

3. Failure rate reduction for coal mining equipment

The failure rate of the coal mining machine, such as a roller coal mining machine, is at least 0.8 percent lower than that of the electric shovel, and meanwhile, the production efficiency can also be improved.

4. Improve the production safety

The electric shovel equipment needs to perform various actions such as pushing, pressing, lifting, rotating, unloading and the like in the coal mining process, and occasionally the bucket collides with a car hopper, while a coal mining machine such as a double-drum coal mining machine only performs single action of drum rotation in the coal mining process, and the route is fixed, so that the production safety is high.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic top view of an open pit coal mine coal mining system according to an embodiment of the present invention at ;

fig. 2 is a schematic side view of a opencast coal mine coal mining system according to an embodiment of the present invention at ;

fig. 3 is a schematic top view of a opencast coal mine mining system according to another embodiment of the present invention;

fig. 4 is a schematic side view of a opencast coal mine coal mining system according to another embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

An open pit coal mine coal mining system according to an embodiment of the present invention will be described with reference to fig. 1 to 4.

As the utility model discloses an wherein embodiment, the utility model provides a kind opencut coal mine coal mining system, include:

a shearer including a tractor portion;

a shearer track disposed along a coal face of a opencast coal mine and cooperating with the tractor portion;

a conveyor for conveying coal away; and the number of the first and second groups,

a traveling device for driving the shearer and the shearer track to move in a direction substantially perpendicular to the coal face.

In the embodiment of the present invention, the coal mining machine may be a coal mining machine used in an existing mine, such as a cut-frame type, a drum type, a vertical drum type, and a drilling type coal mining machine, and as a preferred embodiment, the coal mining machine 1 is a double drum coal mining machine, as shown in fig. 1 to 4. The traction part of the coal mining machine is matched with the coal mining machine rail, so that the coal mining machine can move along the coal face of the open pit coal mine to mine coal, and the walking device is arranged to drive the coal mining machine and the coal mining machine rail to move along the direction approximately vertical to the coal face, so that continuous coal mining is realized. The utility model provides a this coal mining system is applied to opencut coal mine through the coal-winning machine with the mineworker colliery, has realized having carried out continuous coal mining operation under open-air condition, has improved mining efficiency, has practiced thrift the exploitation cost.

In another embodiments, the traction unit mainly includes a traction mechanism cooperating with the coal mining machine rail and a driving device for driving the traction mechanism to travel along the coal mining machine rail, the traction mechanism may be a chain traction mechanism or a chainless traction mechanism, the chain traction mechanism is used for driving the coal mining machine to travel along the coal face through the engagement between a chain wheel and a traction chain, the chainless traction mechanism is engaged with a rack rail of the coal mining machine rail through a driving wheel of the traction unit so as to move the coal mining machine along the coal face and mainly includes a gear pin rail type, a roller rack rail type or a chain wheel track type, etc., the driving device is used for providing power and transmitting the power to the traction mechanism so that the traction mechanism cooperates with the coal mining machine rail to travel along the coal face, and in embodiments, the traction unit includes a driving motor, a transmission case, a traveling case, a sliding shoe, etc.

In addition to the traction portion, the coal mining machine may include a cutting portion, an electrical system, an auxiliary device, and the like, wherein the cutting portion is mainly used for cutting and crushing coal, the electrical system is used for providing power and controlling for the coal mining machine, and the auxiliary device includes a dust fall device, a cable towing device, a safety protection device, a bottom bracket, a coal baffle, and the like, wherein the dust fall device may include a water supply device and a spraying device provided at the coal mining machine, in embodiments, the water supply device is as shown in fig. 1 and 3, and is a water wagon 9, the water wagon 9 is close to the coal mining machine 1, and the spraying device is connected through a water pipe to supply water for dust fall of the coal mining.

In another embodiments of the present invention, as shown in fig. 1-4, the conveyor comprises a scraper conveyor 2. step , the conveyor further comprises a transfer conveyor 3, a crusher 4 and a belt conveyor 5, the transfer conveyor 3 is used for transferring coal from the scraper conveyor 2 to the crusher 4, the coal is crushed by the crusher 4 and then transferred by the belt conveyor 5. in the embodiment, as shown in fig. 1-2, the coal transferred by the belt conveyor 5 can be temporarily stored in a buffer 6 and then transferred by a transport vehicle 7. in another embodiment, as shown in fig. 3-4, the coal transferred by the belt conveyor 5 can be directly transferred to a ground industrial site for storage and sale.

The shearer track can be a separately arranged shearer track or can be arranged with the conveying device body as shown in fig. 1 and 3, and in embodiment, the shearer track can be arranged with the scraper conveyor 2 body as arranged on the upper portion of the scraper conveyor 2, and the shearer 1 can travel along the scraper conveyor 2.

In another embodiment, the traveling device may be a separately installed power device, such as an engineering vehicle that can move the coal mining machine and the coal mining machine rail, as shown in fig. 1 and 3, for example, a bulldozer 8 for pushing the coal mining machine, the coal mining machine rail, and the scraper conveyor 2 to move.

Unless the context clearly dictates otherwise, as used herein, the singular forms "," "," and "the" may also mean to include the plural forms the terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of or more other features, steps, operations, elements, components, and/or combinations thereof.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "fixed," and the like shall be construed as , for example, being fixedly connected, detachably connected, or in body, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, communicating between two elements, or interacting between two elements, unless expressly stated otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1, A opencut coal mine coal mining system, comprising:

a shearer including a tractor portion;

2. The coal mining system of claim 1, wherein: the coal mining machine is a double-drum coal mining machine.

3. The coal mining system of claim 1, wherein: the traction part comprises a traction mechanism and a driving device, the traction mechanism is matched with the coal mining machine rail, and the driving device is used for driving the traction mechanism to travel along the coal mining machine rail.

4. The coal mining system of claim 1, wherein: the conveying device comprises a scraper conveyor.

5. The coal mining system of claim 4, wherein: the conveying device comprises a reversed loader, a crusher and a belt conveyor, wherein the reversed loader is used for conveying coal of the scraper conveyor to the crusher, and the coal is crushed by the crusher and then conveyed away by the belt conveyor.

6. The coal mining system of claim 4, wherein the shearer track is disposed integrally with the face conveyor .

7. The coal mining system of claim 1, wherein: the walking device is a power device fixedly connected with the coal mining machine track.

8. The coal mining system of claim 7, wherein: the power device comprises a hydraulic device or a crawler.

9. The coal mining system of claim 1, wherein: the traveling device is an engineering vehicle capable of pushing the coal mining machine and the coal mining machine rail to move.

10. The coal mining system of claim 9, wherein: the engineering vehicle comprises a bulldozer.