CN220929461U

CN220929461U - Dust-proof device for underground fully-mechanized coal mining face

Info

Publication number: CN220929461U
Application number: CN202323095459.8U
Authority: CN
Inventors: 王建勤; 高飞
Original assignee: Liulin County Emergency Management Comprehensive Administrative Law Enforcement Team
Current assignee: Liulin County Emergency Management Comprehensive Administrative Law Enforcement Team
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-05-10
Anticipated expiration: 2033-11-16

Abstract

The utility model discloses a dust-proof device for a fully-mechanized coal mining face, which comprises a base, a protective outer box, a dust falling structure, a power-off structure and a collecting structure.

Description

Dust-proof device for underground fully-mechanized coal mining face

Technical Field

The utility model relates to a dustproof device, in particular to a dustproof device for a fully-mechanized coal mining face in a coal mine.

Background

In the underground production process of the coal mine, a large amount of dust is inevitably generated during tunneling of the comprehensive excavator and coal cutting of the coal mining machine, so that the dust concentration in a tunneling roadway and a working face return air roadway is high, and the physical health of underground workers is seriously influenced.

Prior art, like CN214616635U discloses a colliery dust keeper in pit, the on-line screen storage device comprises a base, the fixed gyro wheel that is equipped with in bottom four corners symmetry of base, the fixed electric putter that is equipped with in top both ends symmetry of base, electric putter's flexible end is fixed to be equipped with the box, the fixed intake pipe that is equipped with in one end of box, the fixed filter screen that is equipped with in box, the filter screen is located one side of intake pipe is fixed to be equipped with cleaning device, the filter screen is kept away from the fixed suction pump that is equipped with in box top of intake pipe one side, and the fixed inlet end of suction pump inserts of suction pump and establish into the box, the filter screen is kept away from on the box of suction pump one side and articulates and be equipped with sealing door, the utility model discloses an air absorption in the colliery is gone into the box through the filter screen and is discharged after the dust is filtered to reduce the dust volume under the mine, clear up the dust on the filter screen surface through cleaning device, guarantees that the filter screen can not block up.

The other prior art is as follows: CN214221252U, a coal mine underground dust-proof device

CN212563317U, a coal mine underground dust-proof device

CN218653615U dust-proof device for underground coal mine fully-mechanized coal mining face

However, the above and other typical prior art techniques have certain problems in use:

At present, when the existing dust-proof device for the underground fully-mechanized coal mining working face of the coal mine is used, clear water is atomized through a spray head, sprayed into air, sprayed to dust, and subjected to dust fall treatment, a large amount of water and dust are sprayed into a mine cavity together after the dust is fallen in the dust-proof mode, so that sewage in the mine cavity is difficult to discharge, and normal operation is affected.

Disclosure of utility model

The utility model aims to provide a dust-proof device for a fully-mechanized coal mining working face in a coal mine, which solves the problems that the sewage in a mine cavity is difficult to discharge, normal operation is influenced and the like easily caused by the mode of spraying dust fall in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery is comprehensive to dig working face dust keeper in pit, includes base, protection outer box, dust fall structure, outage structure and collection structure, the protection outer box sets up the upper end at the base, outage structure includes triangular bar, spring structure and pump switch, triangular bar fixed connection is at the inside lower surface mid portion of protection outer box, the upper end of triangular bar is provided with the bottom plate, the case groove has been seted up to the upper surface one end of bottom plate, the protection outer box sets up the inside at the case groove, be provided with spring structure between the lower surface of bottom plate and keep away from the one end of case groove and the inside lower surface of protection outer box, the inside one side surface fixedly connected with fixed block of protection outer box, the lower surface mounting of fixed block has the pump switch;

The dust fall structure comprises an air pump, a collecting box and a spray header, the air pump is arranged at the upper end of the protection outer box, one side of the interior of the protection outer box is fixedly connected with a dust inlet in a penetrating mode, one end of the dust inlet and one side surface of the collecting box are connected through a telescopic pipe, strip-shaped pipelines are arranged on one side of the interior of the protection outer box and the upper end of the interior of the protection outer box, the spray header is arranged at the lower end of the strip-shaped pipeline, and the air pump is electrically connected with an external power supply through a pump switch

As a preferable technical scheme of the utility model, the collecting structure comprises a clamping groove, clamping blocks and a filtering frame, wherein the upper ends of the two side surfaces of the filtering frame are fixedly connected with the clamping blocks, and the clamping grooves are formed in the two side surfaces of the inside of the collecting box.

As a preferable technical scheme of the utility model, the filter frame is slidably connected to the upper end of the inside of the collecting box through the clamping groove and the clamping block.

As a preferable technical scheme of the utility model, a filter screen is arranged at the lower end of the inside of the filter frame, and grooves are formed in the surfaces of two sides of the inside of the filter frame.

As a preferable technical scheme of the utility model, a box door is hinged to one side surface of the protective outer box, and a handle is fixedly connected to the other side surface of the protective outer box.

As a preferable technical scheme of the utility model, the four corners of the lower surface of the base are provided with the movable wheels.

As a preferable technical scheme of the utility model, a hydraulic rod is arranged between the base and the protective outer box.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the dust-proof device is used for dust-proof treatment on the underground fully-mechanized coal mining working surface of a coal mine, the device is moved to a dust position, dust in air enters the collecting box through the dust inlet, dust is sprayed and fallen through the spray header, sewage mixed with the dust enters the collecting box for centralized collection, after the dust in the collecting box is collected to a certain amount, the bottom plate is pressed left by the weight of the collecting box, the right side of the bottom plate is lifted, the pump switch is pressed down by touching the pump switch at the lower end of the fixed block through the top end of the right side of the bottom plate, so that the operation of the air pump is controlled, a worker can judge whether the collecting box is full or not by judging the noise when the air pump is stopped, and the collecting box needs to be cleaned when the operation of the air pump is stopped, so that the dust and sewage are prevented from entering the inside of the protective outer box due to the full of the collecting box, and the problem that the inside of the protective outer box is difficult to clean is solved is effectively prevented, and a certain pulling force is applied between the lower surface of the bottom plate and the inner lower end of the protective outer box through the spring structure, and the problem that the pump is not fully-up is prevented by touching the pump switch is prevented;

2. According to the dust collection device, through the collection structure, when dust in the collection box is cleaned, the filter frame is conveniently taken out of the collection box through the groove, and through the mutual sliding connection of the clamping block and the clamping groove, the filter frame can be conveniently taken out of the upper end of the collection box for cleaning, and through the hydraulic rod, the height of the whole dust prevention device is conveniently adjusted, so that dust collection treatment is carried out on dust with different heights in working face air.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the protective outer case according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the collecting box in the utility model;

fig. 5 is an enlarged view of the present utility model at B in fig. 4.

In the figure: 1. a base; 2. a hydraulic rod; 3. a moving wheel; 4. a protective outer case; 5. a handle; 6. a door; 7. a dust falling structure; 701. an air extracting pump; 702. a dust inlet; 703. a telescopic tube; 704. a collection box; 705. a strip-shaped pipeline; 706. a spray header; 8. a power-off structure; 801. a bottom plate; 802. triangular bars; 803. a spring structure; 804. a fixed block; 805. a pump switch; 9. a collection structure; 901. a clamping groove; 902. a clamping block; 903. a filter frame; 904. a filter screen; 905. a groove; 10. and a tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a technical scheme of a dust-proof device for a fully-mechanized coal mining face in a coal mine, which comprises the following steps:

Embodiment one:

According to the figures 1, 2 and 3 show, a colliery is comprehensive dig working face dust keeper in pit, including base 1, protection outer box 4, dust fall structure 7, outage structure 8 and collection structure 9, protection outer box 4 sets up the upper end at base 1, outage structure 8 includes triangular strip 802, spring structure 803 and pump switch 805, triangular strip 802 fixed connection is at the inside lower surface mid portion of protection outer box 4, the upper end of triangular strip 802 is provided with bottom plate 801, box 10 has been seted up to the upper surface one end of bottom plate 801, protection outer box 4 sets up the inside at box 10, be provided with spring structure 803 between the inside lower surface of the one end of box 10 and protection outer box 4 is kept away from to the lower surface of bottom plate 801, inside one side surface fixedly connected with fixed block 804 of protection outer box 4, the lower surface mounting of fixed block 804 has pump switch 805.

When the dust-proof device for the underground fully-mechanized coal mining working face is used, the dust-proof device is pushed to dust, the cleaned collecting box 704 is placed in the box groove 10, the pump switch 805 is loosened, the pump 701 starts to operate, the pump 701 is used for collecting dust in air in a centralized mode through the dust inlet 702 and the telescopic pipe 703, dust is sprayed and reduced through the spray header 706, sewage enters the collecting box 704, when the sewage in the collecting box 704 reaches a certain weight, the bottom plate 801 is pushed to the left side due to the gravity of the collecting box 704, the right side of the bottom plate 801 is pushed upwards, the pump switch 805 is pressed through the right side of the bottom plate 801, the pump switch 805 is controlled to stop operating, surrounding staff can judge whether the collecting box 704 is full or not by judging whether the pump 701 is operating, when the collecting box 704 is full, the pump box door 6 is opened to stop operating, after the collecting box 704 is taken out for treating the sewage, the collecting box 704 is placed in the outer box 4, the pump 805 is reset to operate the pump 805, and the pump 805 is controlled to operate the dust is continuously.

Embodiment two:

On the basis of the first embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the dust falling structure 7 comprises an air pump 701, a collecting box 704 and a spray header 706, the air pump 701 is installed at the upper end of the protective outer box 4, the inside one side of the protective outer box 4 is fixedly connected with a dust inlet 702 in a penetrating manner, one end of the dust inlet 702 and one side surface of the collecting box 704 are connected with each other through a telescopic pipe 703, a strip pipeline 705 is installed at one side and the upper end of the inside of the protective outer box 4, the spray header 706 is installed at the lower end of the strip pipeline 705, the air pump 701 is electrically connected with an external power supply through a pump switch 805, the collecting structure 9 comprises clamping blocks 901, clamping blocks 902 and a filter frame 903, clamping blocks 901 are fixedly connected to the upper ends of the two side surfaces of the filter frame 903, the filter frame 903 is connected to the upper end of the inside of the collecting box 704 in a sliding manner through the clamping grooves 901 and the clamping blocks 902, a filter screen 904 is installed at the lower end of the inside of the filter frame 903, grooves 905 are formed in the two side surfaces of the inside of the filter frame 903, one side of the protective outer box 4 is hinged to the surface of the side of the protective outer box 6, a pressing rod 1 is installed on the lower surface of the protective outer box 4, and a pressing rod 1 is fixedly connected to the surface of the protective base 2 is arranged between the surface of the protective outer box 4, and the protective base 2 is fixedly installed on the surface of the protective base 2.

When the dust-proof device for the underground coal mine fully-mechanized working face is used, clean water is fed into the spray header 706 through the strip-shaped pipeline 705, atomized clean water is sprayed out through the spray header 706 to spray dust fall treatment on dust entering the inside of the collecting box 704, sewage inside the collecting box 704 is treated after the collecting box 704 is fully collected, the filter frame 903 is taken out from the inside of the collecting box 704 through the groove 905, meshes of the filter screen 904 are cleaned, the filter frame 903 is clamped in the clamping groove 901 through the clamping block 902 to slide downwards after the cleaning is finished, so that the filter screen 904 is arranged at the upper end inside the collecting box 704, the height of the dust inlet 702 is conveniently controlled through the hydraulic rod 2, and dust collection treatment is carried out on different heights of working face air.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

Claims

1. The utility model provides a colliery is comprehensive to dig working face dust keeper in pit, includes base (1), protection outer box (4), dust fall structure (7), outage structure (8) and collection structure (9), its characterized in that: the protection outer box (4) is arranged at the upper end of the base (1), the power-off structure (8) comprises a triangular strip (802), a spring structure (803) and a pump switch (805), the triangular strip (802) is fixedly connected to the middle part of the inner lower surface of the protection outer box (4), the bottom plate (801) is arranged at the upper end of the triangular strip (802), a box groove (10) is formed in one end of the upper surface of the bottom plate (801), the protection outer box (4) is arranged in the box groove (10), the spring structure (803) is arranged between one end, far away from the box groove (10), of the lower surface of the bottom plate (801) and the inner lower surface of the protection outer box (4), a fixed block (804) is fixedly connected to one side surface of the inner side of the protection outer box (4), and the pump switch (805) is arranged on the lower surface of the fixed block (804).

The dust fall structure (7) comprises an air pump (701), a collecting box (704) and a spray header (706), the air pump (701) is arranged at the upper end of the protection outer box (4), one side of the inside of the protection outer box (4) is fixedly connected with a dust inlet (702) in a penetrating mode, one end of the dust inlet (702) and one side surface of the collecting box (704) are connected with each other through a telescopic pipe (703), strip-shaped pipelines (705) are arranged on one side of the inside of the protection outer box (4) and the upper end of the protection outer box, the spray header (706) is arranged at the lower end of the strip-shaped pipelines (705), and the air pump (701) is electrically connected with an external power supply through a pump switch (805).

2. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 1, characterized in that: the collection structure (9) comprises a clamping groove (901), clamping blocks (902) and a filtering frame (903), wherein the clamping blocks (902) are fixedly connected to the upper ends of the two side surfaces of the filtering frame (903), and the clamping grooves (901) are formed in the two side surfaces of the interior of the collection box (704).

3. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 2, characterized in that: the filter frame (903) is slidably connected to the upper end of the inside of the collecting box (704) through a clamping groove (901) and a clamping block (902).

4. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 2, characterized in that: the filter screen (904) is installed to inside lower extreme of filter frame (903), recess (905) are all seted up on inside both sides surface of filter frame (903).

5. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 1, characterized in that: one side surface of the protection outer box (4) is hinged with a box door (6), and the other side surface of the protection outer box (4) is fixedly connected with a handle (5).

6. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 1, characterized in that: the four corners of the lower surface of the base (1) are provided with moving wheels (3).

7. The dust-proof device for underground coal mine fully-mechanized coal mining face, according to claim 1, characterized in that: a hydraulic rod (2) is arranged between the base (1) and the protective outer box (4).