CN219591892U

CN219591892U - Dust keeper for electrical equipment in coal mine

Info

Publication number: CN219591892U
Application number: CN202321942756.9U
Authority: CN
Inventors: 王野; 张鹏; 刘伟利
Original assignee: Shanxi Coal Transportation And Marketing Group Sanyuan Weizi Town Coal Industry Co ltd
Current assignee: Shanxi Coal Transportation And Marketing Group Sanyuan Weizi Town Coal Industry Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-08-25
Anticipated expiration: 2033-07-24

Abstract

The utility model provides a dustproof device for coal mine electrical equipment, and belongs to the technical field of dustproof devices for electrical equipment; the dustproof device solves the problem that the existing mode of singly adopting a filter screen or adopting other ash falling grooves is poor in dustproof effect, and comprises an electric box, wherein one side of the electric box is provided with an air inlet dustproof box, the inner wall of the air inlet dustproof box is provided with an air inlet hole, one side of the air inlet dustproof box is provided with a drawing groove, the inner wall of the drawing groove is provided with an air outlet hole, and the air outlet hole is communicated with the electric box; the inner wall of the drawing groove is connected with a dustproof box in a sliding manner, the top end of the dustproof box is provided with an air inlet chamber and an air outlet chamber, the bottoms of the air inlet chamber and the air outlet chamber are communicated, the air inlet hole is communicated with the air inlet chamber, the air outlet hole is communicated with the air outlet chamber, the communicated part of the air inlet hole and the air inlet chamber is connected with an air pump through a pipeline, and clear water is placed inside the air inlet chamber and the air outlet chamber; a filter screen is arranged at the air inlet of the air inlet dust-proof box; the utility model is applied to dust prevention of the electrical cabinet/box under the mine.

Description

Dust keeper for electrical equipment in coal mine

Technical Field

The utility model provides a dustproof device for coal mine electrical equipment, and belongs to the technical field of dustproof devices for electrical equipment.

Background

The electrical equipment for the coal mine is generally closer to a coal mining working face, so that a large amount of dust can enter the electrical equipment, and the dust can influence the normal use of the electrical equipment, so that people adopt the method that the dust screen is installed on the electrical equipment to reduce the dust adhesion entering the electrical equipment, but when the dust screen is denser, the air inlet effect is poor, when the dust screen is sparse, the dust screen is poor, and the dust screen is also complex to detach in the electrical equipment at a later stage, so that the construction safety is reduced.

At present, some electrical cabinets capable of realizing dust prevention are also available, for example, patent application number CN202310499898.0 discloses a dustproof heat dissipation electrical cabinet, dust prevention and heat dissipation in the electrical cabinet are realized by arranging dustproof heat dissipation boxes, dust collection electrode plates are fixedly arranged on two sides of the inside of each dustproof heat dissipation box, dust falling grooves are formed in the lower inner wall of each dustproof heat dissipation box and correspond to the positions of the corresponding dust collection electrode plates, drawers are arranged at the lower ends of the dustproof heat dissipation boxes, and the interiors of the drawers are communicated with the dust collection electrode plates; the dust collecting electrode plate surface is provided with dust collecting component, prevents that the dust accumulation is inside the regulator cubicle, reduces the impeller of scavenger fan simultaneously and the dust absorption on filter screen surface, and although above-mentioned technical scheme can realize the collection to the dust, makes it can fall in the ash chute, still need clear up the ash chute among the above-mentioned technical scheme, and the dust does not pass through clear water or other liquid treatment, still can cause its circulation in the regulator cubicle inside, and dustproof effect is not very ideal. Therefore, the utility model provides a dust-proof device for coal mine electrical equipment.

Disclosure of Invention

The utility model provides a dust-proof device for electrical equipment in a coal mine, which aims to solve the problem that the existing dust-proof effect is poor by singly adopting a filter screen or adopting other dust-falling grooves and the like, and aims to realize effective dust prevention on electrical equipment used under the mine by improving hardware or improving combined connection of hardware modules and/or circuits.

In order to solve the technical problems, the utility model adopts the following technical scheme: the dust-proof device for the coal mine electrical equipment comprises an electrical box, wherein an air inlet dust-proof box is arranged on one side of the electrical box, an air inlet hole is formed in the inner wall of the air inlet dust-proof box, a drawing groove is formed in one side of the air inlet dust-proof box, an air outlet hole is formed in the inner wall of the drawing groove, and the air outlet hole is communicated with the electrical box;

the inner wall of the drawing groove is slidably connected with a dustproof box, the top end of the dustproof box is provided with an air inlet chamber and an air outlet chamber, the bottoms of the air inlet chamber and the air outlet chamber are communicated, the air inlet hole is communicated with the air inlet chamber, the air outlet hole is communicated with the air outlet chamber, the communicated part of the air inlet hole and the air inlet chamber is connected with an air pump through a pipeline, and clear water is placed in the air inlet chamber and the air outlet chamber;

a filter screen is arranged at the air inlet of the air inlet dust box;

the outer wall equidistance of filter screen has seted up first recess, first recess inner wall fixedly connected with spring, the one end fixedly connected with slider of spring, slider and first recess inner wall sliding connection, one side fixedly connected with extension rod of spring is kept away from to the slider, the one end of extension rod stretches out first recess and fixedly connected with fixture block, the dog has been seted up to inlet port outer wall equidistance, the draw-in groove has been seted up to the dog inner wall, fixture block and draw-in groove joint.

And an inner hexagonal groove is formed in the outer side of the filter screen.

The sliding groove is formed in the inner wall of the bottom end of the drawing groove, the threaded rod is rotationally connected to the inner wall of the sliding groove, trapezoidal thread sliders are symmetrically connected to the two ends of the threaded rod in a threaded mode, the two trapezoidal thread sliders are slidably connected with the sliding groove, the limit groove is symmetrically formed in the bottom end of the dust-proof box, and the inclined surface of the trapezoidal thread sliders is clamped with the limit groove.

The threaded rod is a bidirectional threaded rod, and one end of the threaded rod extends out of the sliding groove and is fixedly connected with a rotary handle.

One side of the dustproof box is fixedly connected with a handle.

The inside trapezoid setting that is of gas outlet chamber, the inner wall of gas outlet chamber is equipped with the scale mark.

The air pump is placed inside the electric box.

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

1. when the electric device is used, the filter screen can be quickly disassembled and assembled by rotating the filter screen through the cooperation of the spring, the clamping block and the clamping groove, the electric device is simple to operate, disassembly in electric equipment is not needed, and the safety of constructors is improved.

2. When the device is used, the first filtering is carried out through the filter screen, and then the gas passing through the filter screen is sent into the air inlet chamber, so that the filtered air is subjected to secondary filtering through clear water, dust in the air is thoroughly removed, the cleaning in the electric box is further ensured, and the device thoroughly achieves the dustproof effect through the twice filtering.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of the device of the present utility model;

FIG. 2 is a schematic view of the overall structure of the device of the present utility model with the left door of the electrical box removed;

FIG. 3 is one of the schematic cross-sectional structural views of the air inlet dust box of the present utility model;

FIG. 4 is a second schematic cross-sectional view of the air inlet dust box of the present utility model;

FIG. 5 is a schematic view of a stopper according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure shown at A in FIG. 5;

FIG. 7 is a schematic view of a partial cross-sectional structure of a filter screen of the present utility model;

FIG. 8 is a schematic view of the structure of the dust-proof box of the present utility model;

in the figure: 1. an electric box; 2. an air inlet dust box; 3. an air inlet hole; 4. a drawing groove; 5. an air outlet hole; 6. a dust-proof box; 7. an intake chamber; 8. a gas outlet chamber; 9. a filter screen; 10. a chute; 11. a threaded rod; 12. a trapezoidal thread slider; 13. a limit groove; 14. a first groove; 15. a spring; 16. a slide block; 17. an extension rod; 18. a clamping block; 19. a stop block; 20. a clamping groove; 21. rotating the handle; 22. an inner hexagonal groove; 23. a handle; 24. an air pump; 25. graduation marks.

Detailed Description

As shown in fig. 1 to 8, the utility model provides a dustproof device for coal mine electrical equipment, which comprises an electrical box 1, a dustproof box 6 and a filter screen 9, wherein one side of the electrical box 1 is provided with an air inlet dustproof box 2, the inner wall of the air inlet dustproof box 2 is provided with an air inlet hole 3, one side of the air inlet dustproof box 2 is provided with a drawing groove 4, the inner wall of the drawing groove 4 is provided with an air outlet hole 5, the air outlet hole 5 is communicated with the electrical box 1, the inner wall of the drawing groove 4 is slidably connected with the dustproof box 6, the top end of the dustproof box 6 is provided with an air inlet chamber 7 and an air outlet chamber 8, the bottoms of the air inlet chamber 7 and the air outlet chamber 8 are communicated, the air inlet hole 3 is communicated with the air inlet chamber 7, the air outlet hole 5 is communicated with the air outlet chamber 8, the air inlet dustproof box 2 is provided with the filter screen 9 at the air inlet hole 3, one side of the dustproof box 6 is fixedly connected with a handle 23, the communicated position of the air inlet hole 3 and the air inlet chamber 7 is connected with an air pump 24 placed in the electrical box 1 through a pipeline, clear water is injected into the air inlet chamber 7 and the air outlet chamber 8, and the inner wall of the air outlet chamber 8 is provided with a scale mark 25.

Referring to fig. 3, fig. 4, fig. 5 and fig. 8, a sliding groove 10 is formed in the inner wall of the bottom end of the drawing groove 4, a threaded rod 11 is rotatably connected to the inner wall of the sliding groove 10, trapezoidal thread sliders 12 are symmetrically connected to two ends of the threaded rod 11 in a threaded manner, the two trapezoidal thread sliders 12 are slidably connected with the sliding groove 10, a limit groove 13 is symmetrically formed in the bottom end of the dust-proof box 6, the inclined surface of the trapezoidal thread slider 12 is clamped with the limit groove 13, the threaded rod 11 is a bidirectional threaded rod, and one end of the threaded rod 11 extends out of the sliding groove 10 and is fixedly connected with a rotary handle 21.

Referring to fig. 5-7, a first groove 14 is formed in the outer wall of the filter screen 9 at equal intervals, a spring 15 is fixedly connected to the inner wall of the first groove 14, a sliding block 16 is fixedly connected to one end of the spring 15, the sliding block 16 is slidably connected with the inner wall of the first groove 14, an extension rod 17 is fixedly connected to one side, away from the spring 15, of the sliding block 16, one end of the extension rod 17 extends out of the first groove 14 and is fixedly connected with a clamping block 18, a stop block 19 is formed in the outer wall of the air inlet 3 at equal intervals, a clamping groove 20 is formed in the inner wall of the stop block 19, the clamping block 18 is clamped with the clamping groove 20, and an inner hexagonal groove 22 is formed in one side of the filter screen 9.

The working principle of the utility model is as follows:

when the dust-proof box is used, clean water is injected into the dust-proof box 6 until the clean water reaches the scale marks 25, at the moment, the air pump 24 is started to enable air to pass through the filter screen 9 for the first time, filtered air enters the air inlet chamber 7 through the air inlet hole 3, air enters the air outlet chamber 8 from the air inlet chamber 7 along with continuous suction of the air, and the air outlet chamber 8 is in an inverted trapezoid design (because the air outlet chamber 8 is communicated with the bottom of the air inlet chamber 7), so that the water level starts to rise along with air flow, when the water level rises to a certain height, the water level cannot rise along with the opening in the air outlet chamber 8 becoming larger and larger, under suction of the air pump 24, the air also passes through the clean water, at the moment, the filtered air forms secondary filtration to achieve the effect of complete dust prevention, and then enters the electric box 1 through the air outlet hole 5 for heat dissipation. When dismantling, insert hexagon socket head cap wrench in the interior hexagonal recess 22, apply rotatory effort again, at this moment, filter screen 9 drives fixture block 18 and rotates, the tip of fixture block 18 receives the extrusion and begins extrusion spring 15, make fixture block 18 shrink, until fixture block 18 no longer with draw-in groove 20 joint, accomplish the dismantlement of filter screen 9 this moment, when need dismantle dust-proof box 6, only need rotate rotatory handle 21 and make threaded rod 11 rotate, because threaded rod 11 is two-way threaded rod, so two trapezoidal thread slider 12 keep away from each other, when two trapezoidal thread slider 12 do not contact with spacing groove 13 at all, can take out dust-proof box 6 this moment.

The specific structure of the utility model needs to be described that the connection relation between the component modules adopted by the utility model is definite and realizable, and besides the specific description in the embodiment, the specific connection relation can bring about corresponding technical effects, and on the premise of not depending on execution of corresponding software programs, the technical problems of the utility model are solved, the types of the components, the modules and the specific components, the connection modes of the components and the expected technical effects brought by the technical characteristics are clear, complete and realizable, and the conventional use method and the expected technical effects brought by the technical characteristics are all disclosed in patents, journal papers, technical manuals, technical dictionaries and textbooks which can be acquired by a person in the field before the application date, or the prior art such as conventional technology, common knowledge in the field, and the like, so that the provided technical scheme is clear, complete and the corresponding entity products can be reproduced or obtained according to the technical means.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a colliery is dust keeper for electrical equipment, includes electric box (1), its characterized in that: an air inlet dust-proof box (2) is arranged on one side of the electric box (1), an air inlet hole (3) is formed in the inner wall of the air inlet dust-proof box (2), a drawing groove (4) is formed in one side of the air inlet dust-proof box (2), an air outlet hole (5) is formed in the inner wall of the drawing groove (4), and the air outlet hole (5) is communicated with the electric box (1);

the inner wall of the drawing groove (4) is slidably connected with a dustproof box (6), the top end of the dustproof box (6) is provided with an air inlet chamber (7) and an air outlet chamber (8), the bottoms of the air inlet chamber (7) and the air outlet chamber (8) are communicated, the air inlet hole (3) is communicated with the air inlet chamber (7), the air outlet hole (5) is communicated with the air outlet chamber (8), the communicated part of the air inlet hole (3) and the air inlet chamber (7) is connected with an air pump (24) through a pipeline, and clear water is placed inside the air inlet chamber (7) and the air outlet chamber (8);

the air inlet dust box (2) is provided with a filter screen (9) at the air inlet hole (3);

first recess (14) have been seted up to the outer wall equidistance of filter screen (9), first recess (14) inner wall fixedly connected with spring (15), the one end fixedly connected with slider (16) of spring (15), slider (16) and first recess (14) inner wall sliding connection, one side fixedly connected with extension rod (17) of spring (15) are kept away from to slider (16), first recess (14) and fixedly connected with fixture block (18) are stretched out to the one end of extension rod (17), dog (19) have been seted up to inlet port (3) outer wall equidistance, draw-in groove (20) have been seted up to dog (19) inner wall, fixture block (18) and draw-in groove (20) joint.

2. A dust keeper for electrical equipment in a coal mine as claimed in claim 1, wherein: an inner hexagonal groove (22) is formed in the outer side of the filter screen (9).

3. A dust keeper for electrical equipment in a coal mine as claimed in claim 1, wherein: spout (10) have been seted up to pull groove (4) bottom inner wall, spout (10) inner wall rotation is connected with threaded rod (11), the both ends symmetry threaded connection of threaded rod (11) has trapezoidal screw slider (12), two trapezoidal screw slider (12) all with spout (10) sliding connection, spacing groove (13) have been seted up to dustproof box (6) bottom symmetry, the inclined plane and the spacing groove (13) joint of trapezoidal screw slider (12).

4. A dust keeper for electrical equipment in a coal mine as claimed in claim 3, wherein: the threaded rod (11) is a bidirectional threaded rod, and one end of the threaded rod (11) extends out of the sliding groove (10) and is fixedly connected with a rotary handle (21).

5. A dust keeper for electrical equipment in a coal mine as claimed in claim 1, wherein: one side of the dustproof box (6) is fixedly connected with a handle (23).

6. A dust keeper for electrical equipment in a coal mine as claimed in claim 1, wherein: the inside of the air outlet chamber (8) is in an inverted trapezoid shape, and graduation lines (25) are arranged on the inner wall of the air outlet chamber (8).

7. A dust keeper for electrical equipment in a coal mine as claimed in claim 1, wherein: the air pump (24) is arranged inside the electric box (1).