CN216530063U

CN216530063U - Explosion-proof high-voltage selective leakage protection device for underground coal mine

Info

Publication number: CN216530063U
Application number: CN202220002497.0U
Authority: CN
Inventors: 陈日富; 路星国; 史和; 仝循阔
Original assignee: Shanxi Huairen Shifengshan Coal Industry Co ltd
Current assignee: Shanxi Huairen Shifengshan Coal Industry Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-05-13
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of leakage protection, and discloses a coal mine underground explosion-proof high-voltage selective leakage protection device, which solves the problem that when the existing leakage protection device is used underground, the leakage protection device is easily affected with damp and accidents are easily caused due to the humidity of the underground environment of a coal mine; through being provided with the mounting bracket and adsorbing the cotton, can realize the absorption to the interior moisture of install bin, through placing the box intussuseption and filling there is the drier for when the circulation of air in the install bin, carry out dry adsorption to the air that gets into in the install bin, avoid moisture to get into in the install bin, realized the protection to the earth leakage protection device main part.

Description

Explosion-proof high-voltage selective leakage protection device for underground coal mine

Technical Field

The utility model belongs to the technical field of leakage protection, and particularly relates to an underground explosion-proof high-voltage selective leakage protection device for a coal mine.

Background

In a three-phase four-wire low-voltage power supply line, an electric device fails due to insulation, and current paths are formed between lines, between lines and the ground, between a working circuit and a metal shell, a framework and the like which cannot be electrified, so that electric leakage is called as leakage protection; the working principle is as follows: under the specified conditions, when the residual current in the protected circuit exceeds the set value, the protective relay device can rapidly and automatically disconnect the circuit or send out an alarm signal, and the range of the protective relay device refers to a series of equipment with the residual current protection function.

When the existing leakage protection device is used in a coal mine, the leakage protection device is easy to be affected with damp due to the humid environment in the coal mine, and accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation and overcoming the defects of the prior art, the utility model provides the underground explosion-proof high-voltage selective leakage protection device for the coal mine, which effectively solves the problem that the existing leakage protection device in the background technology is easy to be affected with damp and cause accidents due to the humid underground environment of the coal mine when the existing leakage protection device is used underground the coal mine.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a colliery is explosion-proof type high pressure selectivity earth leakage protection device in pit, includes the install bin, sealing door is installed to one side of install bin, installs earth leakage protection device main part in the install bin, and the heat dissipation window has been seted up to the middle part bilateral symmetry of install bin, and movable mounting has the mounting bracket in the heat dissipation window, and the mounting bracket intussuseption is filled with and adsorbs the cotton, and the externally mounted of heat dissipation window has adsorption component.

Preferably, the mounting groove has been seted up to the symmetry on the inner wall of install bin, installs the movable rod in the mounting groove, and the movable rod runs through the one end of mounting groove and installs the backstop board, and the backstop board is inconsistent with the mounting bracket, and the cover is equipped with first spring on the movable rod, and first spring is located the mounting groove.

Preferably, the adsorption component comprises a placing box arranged on one side of the heat dissipation window, a storage box is arranged above the placing box, and the placing box is connected with the storage box through a first conduit.

Preferably, a collecting box is arranged below the placing box, a collecting drawer is arranged in the collecting box, and the collecting box is connected with the placing box through a second conduit.

Preferably, the top end of the placing box is provided with a feed inlet communicated with the first guide pipe, and the bottom end of the placing box is provided with a discharge outlet communicated with the second guide pipe.

Preferably, a first baffle is installed below the feed inlet, the first baffle is connected with the inner wall of the placing box in a sliding mode, a first pull rod is installed at one end of the first baffle, the first pull rod penetrates through one end of the placing box and is installed with a first pull button, a second spring is sleeved on the first pull rod, a first retaining ring corresponding to the second spring is installed on one side of the second spring, and the first retaining ring is installed on the first pull rod.

Preferably, a second baffle is installed above the discharge port, the second baffle is connected with the inner wall of the placing box in a sliding mode, a second pull rod is installed at one end of the second baffle, the second pull rod penetrates through one end of the placing box and is installed with a second pull button, a third spring is sleeved on the second pull rod, a second stop ring corresponding to the third spring is installed on one side of the third spring, and the second stop ring is installed on the second pull rod.

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

(1) in the work, the installation and protection of the leakage protection device main body can be realized by arranging the installation box, the moisture in the installation box can be adsorbed by arranging the installation frame and the adsorption cotton, and when the air in the installation box circulates, the air entering the installation box is dried and adsorbed by filling the drying agent in the placement box, so that the moisture is prevented from entering the installation box;

(2) in operation, through being provided with each subassembly such as movable rod, backstop board, first spring and mounting groove, can realize installing fast and dismantling the mounting bracket, even in being convenient for realize carrying out quick change to the drier of placing the box through being provided with each subassembly such as first baffle, first pull rod, second baffle and second pull rod to the change that adsorbs cotton, and carry out recovery processing to the drier after changing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a main body mounting structure of the earth leakage protection device of the present invention;

FIG. 3 is a schematic view of a heat dissipation window according to the present invention;

FIG. 4 is a schematic view of the structure of the adsorption assembly of the present invention;

fig. 5 is a schematic view of the movable rod mounting structure of the present invention.

In the figure: 1. installing a box; 2. a sealing door; 3. a leakage protection device main body; 4. a heat dissipation window; 5. a mounting frame; 6. adsorbing cotton; 7. an adsorption component; 8. mounting grooves; 9. a movable rod; 10. a stopper plate; 11. a first spring; 12. placing the box; 13. a storage box; 14. a first conduit; 15. a collection box; 16. a collection drawer; 17. a second conduit; 18. a feed inlet; 19. a discharge port; 20. a first baffle plate; 21. a first pull rod; 22. a first pull button; 23. a second spring; 24. a second baffle; 25. a second pull rod; 26. a second pull button; 27. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 5, the leakage protection device comprises an installation box 1, a sealing door 2 is installed on one side of the installation box 1, a leakage protection device main body 3 is installed in the installation box 1, heat dissipation windows 4 are symmetrically arranged on two sides of the middle of the installation box 1, an installation frame 5 is movably installed in each heat dissipation window 4, adsorption cotton 6 is filled in each installation frame 5, and an adsorption component 7 is installed outside each heat dissipation window 4;

the setting of absorption cotton 6 can realize the absorption to the moisture in the install bin 1, and the drier of placing the intussuseption of box 12 can carry out drying process to the air that gets into in the install bin 1 when the 1 circulation of air of install bin, has guaranteed the drying of air in the install bin 1 promptly, has realized the protection to earth leakage protection device main part 3.

In the second embodiment, on the basis of the first embodiment, the inner wall of the installation box 1 is symmetrically provided with installation grooves 8, movable rods 9 are installed in the installation grooves 8, one ends of the movable rods 9, penetrating through the installation grooves 8, are provided with stop plates 10, the stop plates 10 are abutted against the installation frame 5, the movable rods 9 are sleeved with first springs 11, and the first springs 11 are located in the installation grooves 8;

when the user need be changed absorption cotton 6, only need the lateral rotation backstop board 10, until backstop board 10 loses the backstop to mounting bracket 5, then take off mounting bracket 5, take out and adsorb cotton 6, then more renewedly adsorb cotton 6 can, then block mounting bracket 5 in heat dissipation window 4, then lateral pulling backstop board 10, backstop board 10 lateral shifting this moment, movable rod 9 lateral shifting, first spring 11 is in compression state this moment, after backstop board 10 lateral shifting certain distance, rotate backstop board 10, make backstop board 10 realize under the effect of stretching tension that backstop to mounting bracket 5 is fixed at first spring 11.

Third embodiment, on the basis of the first embodiment, the adsorption assembly 7 includes a placing box 12 installed on one side of the heat dissipation window 4, a drying agent is filled in the placing box 12, a storage box 13 is installed above the placing box 12, the placing box 12 is connected with the storage box 13 through a first conduit 14, a collecting box 15 is installed below the placing box 12, a collecting drawer 16 is installed in the collecting box 15, the collecting box 15 is connected with the placing box 12 through a second conduit 17, a feeding port 18 communicated with the first conduit 14 is formed in the top end of the placing box 12, a discharging port 19 communicated with the second conduit 17 is formed in the bottom end of the placing box 12, a first baffle 20 is installed below the feeding port 18, the first baffle 20 is slidably connected with the inner wall of the placing box 12, a first pull rod 21 is installed at one end of the first baffle 20, a first pull button 22 is installed at one end of the first pull rod 21 penetrating through the placing box 12, a second spring 23 is sleeved on the first pull rod 21, a first baffle ring corresponding to the second spring 23 is installed on one side of the second spring 23, the first baffle ring is installed on the first pull rod 21, a second baffle plate 24 is installed above the discharge hole 19, the second baffle plate 24 is in sliding connection with the inner wall of the placing box 12, a second pull rod 25 is installed at one end of the second baffle plate 24, a second pull button 26 is installed at one end of the second pull rod 25 penetrating through the placing box 12, a third spring 27 is sleeved on the second pull rod 25, a second baffle ring corresponding to the third spring 27 is installed on one side of the third spring 27, and the second baffle ring is installed on the second pull rod 25;

when a user needs to replace the drying agent in the storage box 12, the user only needs to pull the second pull rod 25 laterally, at this time, the second pull rod 25 moves laterally, the second baffle 24 moves laterally until the second baffle 24 moves to one side of the discharge port 19, at this time, the failed drying agent in the storage box 12 enters the collection drawer 16 through the second conduit 17, after all the failed drying agent enters the collection drawer 16, the pulling of the second pull rod 25 is stopped, the second baffle 24 is reset, then the first pull rod 21 is pulled laterally, the first pull rod 21 moves laterally, the first baffle 20 is further driven to move laterally, at this time, the second spring 23 is in a compressed state until the first baffle 20 moves to one side of the feed port 18, at this time, the new drying agent in the storage box 13 enters the storage box 12 through the first conduit 14 until the storage box 12 is filled with the new drying agent, and then the pulling of the first pull rod 21 is stopped, the first shutter 20 is reset to effect replacement of the spent desiccant in the holding box 12.

The working principle is as follows: when the leakage protection device works, the adsorption cotton 6 is arranged, so that moisture in the installation box 1 can be adsorbed, and the drying agent filled in the placing box 12 can dry the air entering the installation box 1 when the air in the installation box 1 circulates, so that the air in the installation box 1 is dried, and the leakage protection device main body 3 is protected;

when a user needs to replace the absorbent cotton 6, the user only needs to laterally rotate the stop plate 10 until the stop plate 10 loses the stop of the mounting frame 5, then takes down the mounting frame 5, takes out the absorbent cotton 6, and then replaces the new absorbent cotton 6, then clamps the mounting frame 5 in the heat dissipation window 4, and laterally pulls the stop plate 10, at this time, the stop plate 10 laterally moves, the movable rod 9 laterally moves, at this time, the first spring 11 is in a compressed state, after the stop plate 10 laterally moves for a certain distance, the stop plate 10 is rotated, so that the stop plate 10 realizes the stop fixing of the mounting frame 5 under the stretching tension effect of the first spring 11, when the user needs to replace the drying agent in the storage box 12, only the second pull rod 25 laterally pulls, at this time, the second pull rod 25 laterally moves, the second stop plate 24 laterally moves until the second stop plate 24 moves to one side of the discharge port 19, at this time, the failed drying agents in the placing box 12 enter the collecting drawer 16 through the second conduit 17, after all the failed drying agents enter the collecting drawer 16, the pulling of the second pull rod 25 is stopped, so that the second baffle 24 is reset, then the first pull rod 21 is pulled laterally, the first pull rod 21 moves laterally, and then the first baffle 20 is driven to move laterally, at this time, the second spring 23 is in a compressed state until the first baffle 20 moves to one side of the feed port 18, at this time, the new drying agents in the storage box 13 enter the placing box 12 through the first conduit 14 until the placing box 12 is filled with the new drying agents, then the pulling of the first pull rod 21 is stopped, so that the first baffle 20 is reset, and the replacement of the failed drying agents in the placing box 12 is realized.

Claims

1. The utility model provides a colliery is flame-proof type high pressure selectivity earth leakage protection device in pit, includes install bin (1), its characterized in that: sealing door (2) are installed to one side of install bin (1), install earth leakage protection device main part (3) in install bin (1), and heat dissipation window (4) have been seted up to the middle part bilateral symmetry of install bin (1), and movable mounting has mounting bracket (5) in heat dissipation window (4), and mounting bracket (5) intussuseption is filled with and adsorbs cotton (6), and the externally mounted of heat dissipation window (4) has adsorption component (7).

2. The underground coal mine explosion-proof type high-voltage selective leakage protection device according to claim 1, which is characterized in that: mounting groove (8) have been seted up to the symmetry on the inner wall of install bin (1), install movable rod (9) in mounting groove (8), backstop board (10) are installed to the one end that movable rod (9) run through mounting groove (8), and backstop board (10) are inconsistent with mounting bracket (5), and the cover is equipped with first spring (11) on movable rod (9), and first spring (11) are located mounting groove (8).

3. The underground coal mine explosion-proof type high-voltage selective leakage protection device according to claim 1, which is characterized in that: the adsorption component (7) comprises a placing box (12) arranged on one side of the heat dissipation window (4), a storage box (13) is arranged above the placing box (12), and the placing box (12) is connected with the storage box (13) through a first guide pipe (14).

4. The underground coal mine explosion-proof type high-voltage selective leakage protection device according to claim 3, characterized in that: the collecting box (15) is arranged below the placing box (12), the collecting drawer (16) is arranged in the collecting box (15), and the collecting box (15) is connected with the placing box (12) through a second conduit (17).

5. The underground coal mine explosion-proof type high-voltage selective leakage protection device according to claim 4, characterized in that: the top end of the placing box (12) is provided with a feeding hole (18) communicated with the first guide pipe (14), and the bottom end of the placing box (12) is provided with a discharging hole (19) communicated with the second guide pipe (17).

6. The underground coal mine explosion-proof type high-voltage selective leakage protection device according to claim 5, characterized in that: first baffle (20) are installed to the below of feed inlet (18), first baffle (20) and the inner wall sliding connection who places box (12), first pull rod (21) are installed to the one end of first baffle (20), first pull rod (21) run through the one end of placing box (12) and install first button (22) that draws, the cover is equipped with second spring (23) on first pull rod (21), one side of second spring (23) is installed rather than corresponding first fender ring, first fender ring is installed on first pull rod (21).

7. The underground coal mine explosion-proof type high-voltage selective electric leakage protection device according to claim 6, characterized in that: second baffle (24) are installed to the top of discharge gate (19), second baffle (24) and the inner wall sliding connection who places box (12), second pull rod (25) are installed to the one end of second baffle (24), second pull rod (25) run through the one end of placing box (12) and install second and draw button (26), the cover is equipped with third spring (27) on second pull rod (25), one side of third spring (27) is installed and is kept off the ring rather than corresponding second, the second keeps off the ring and installs on second pull rod (25).