Leftover coal processing device suitable for long-wall top coal caving mining

Abstract

The utility model discloses a marginal coal processing device suitable for longwall top coal caving mining, which comprises a high-pressure water gun, an anti-explosion electric holder, a controller and an electromagnetic valve, the high-pressure water gun comprises a gun head and a booster pump, the gun head is arranged on a support base through the anti-explosion electric holder, the gun head is connected with the booster pump through a pipeline, the electromagnetic valve is connected between the gun head and the booster pump in series, and the controller is connected with the controller. And the controller is electrically connected with the electromagnetic valve, the booster pump and the anti-explosion electric holder. The high-pressure water gun is arranged on the hydraulic support base, leftover coal on the top of a working face is washed away through high-pressure water so as to achieve recycling of the leftover coal, and due to the fact that the high-pressure water gun is installed on the support base, the structure of a coal mining machine is not additionally changed, an existing machine can be directly improved, and energy is saved. And moreover, by matching with an anti-explosion electric holder, a laser sight and the like, accurate high-pressure water flushing can be realized, the water consumption is very small, drainage equipment is not needed, the purpose of efficiently recycling the leftover coal can be achieved, the cost can be minimized, the leftover coal can be scientifically recycled, and the economic benefit is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mining, specifically relates to the corner coal processing device suitable for longwall top coal caving. BACKGROUND

[0002] Longwall top coal caving is a high efficient mining technology for thick coal seam, which combines longwall mining and top coal recovery technology, and becomes the mainstream technology for high efficient mining of thick coal seam, and is popular in Inner Mongolia and Shanxi mining area in China.

[0003] Corner coal is the residual coal seam in the edge or corner which is temporarily difficult to mine due to technical, safety or economic factors during mining.

[0004] Corner coal recovery is an encouraged project in the guidance of resource comprehensive utilization in China, and the corner coal of longwall top coal caving is also a difficult problem to be solved in mining. UTILITY MODEL CONTENTS

[0005] The utility model wants to overcome the insufficient of prior art, provides corner coal processing device suitable for longwall top coal caving,

[0006] In order to solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0007] A corner coal processing device suitable for longwall top coal caving, including high pressure water gun, explosion -proof electric holder, controller, solenoid valve, the high pressure water gun includes gun head, booster pump, the gun head is installed on the support base through the explosion -proof electric holder, the gun head is connected with booster pump through pipeline, solenoid valve is connected between the two, the controller is electrically connected with solenoid valve, booster pump, explosion -proof electric holder.

[0008] Further, the outer wall of the gun head is provided with a laser sight.

[0009] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0010] The utility model discloses a high -pressure water rifle is provided on the hydraulic support base, and the high -pressure water is used to wash away the corner coal of working face top, to realize the recycling of corner coal, and because of being installed on the support base, the coal -winning machinery structure is not changed additionally, can directly improve on the existing machinery, and cooperation anti -explosion electric cloud platform, laser sighting device etc. can realize accurate high -pressure water wash, and the water consumption is very small, need not set up the drainage equipment, can reach the purpose of corner coal high -efficient recovery, and can minimize the cost, scientifically recycle corner coal, increase economic benefit.

[0011] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. DRAWINGS

[0012] The drawings are part of the application and are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] In the drawing: 1, hydraulic support, 2, support base, 3, push mechanism, 4, scraper conveyor, 5, coal winning machine, 6, high -pressure water rifle.

[0015] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings of the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0017] In the description of the utility model, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as a limitation on the utility model.

[0018] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances. Embodiment one

[0019] The longwall top coal caving mining machine is generally composed of hydraulic support 1, support base 2, pushing mechanism 3, scraper conveyor 4 and coal mining machine 5, combined with the attached Figure 1 Schematic, after the coal mining machine 5 is mined along the working face in the longitudinal direction, the hydraulic support 1 is temporarily moved forward, at this time, the corner coal on the top surface of the working face can be cleaned and recycled. The corner coal treatment device suitable for longwall top coal caving mining in the embodiment comprises a high-pressure water gun 6, an explosion-proof electric pan-tilt, a controller and an electromagnetic valve. The high-pressure water gun 6 comprises a gun head and a booster pump, the gun head is installed on the explosion-proof electric pan-tilt, and the explosion-proof electric pan-tilt is supported and installed on the support base 2 by a support rod.

[0020] The explosion-proof electric pan-tilt here can make the gun head rotate, and it is omnidirectional stepless rotation, of course, the explosion-proof electric pan-tilt here is the existing equipment, and here is only application, and appropriate explosion-proof electric pan-tilt can be selected according to the rotation angle and other parameters. The gun head is connected with the booster pump through a pipeline, and the water source can be connected externally or a temporary water tank is arranged. The electromagnetic valve is connected in series between the gun head box and the booster pump, and the controller is electrically connected with the electromagnetic valve, the booster pump and the explosion-proof electric pan-tilt. As a preferred, the controller can be provided with a wireless module, and cooperates with the terminal of the operator, so that non-contact and remote operation can be realized, and the operation is more convenient.

[0021] After the coal mining machine 5 is mined along the working face, the explosion-proof electric pan-tilt is adjusted by the controller, the gun head is aimed at the corner coal on the top surface, then the booster pump and the electromagnetic valve are started, the gun head sprays high-pressure water, and the intermittent water outlet mode can be used, the corner coal is washed away by high-pressure water, and the fallen corner coal is sent to the scraper conveyor 4 in subsequent mining, so that the corner coal is recycled. As a preferred, when the gun head aims at the corner coal, a laser aiming device can be used, that is, a laser aiming device is arranged on the outer wall of the gun head.

[0022] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A corner coal handling device suitable for use in longwall top coal caving mining, characterised in that: Including high pressure water gun (6), explosion -proof electric holder, controller, electromagnetic valve, the high pressure water gun (6) includes gun head, booster pump, the gun head is installed on the support base (2) through the explosion -proof electric holder, the gun head is connected with booster pump through pipeline, and the electromagnetic valve is connected between the two, the controller is electrically connected with the electromagnetic valve, booster pump and explosion -proof electric holder.

2. A corner coal handling device suitable for use in longwall top coal caving mining according to claim 1, characterised in that: The outer wall of the gun head is provided with a laser sight.

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