Mining power supply explosion-proof box

Abstract

The utility model discloses a mining power supply explosion-proof box which comprises an outer explosion-proof box body, an inner explosion-proof box body is installed on the inner wall of the outer explosion-proof box body, an inner box cover is installed on the surface of the inner explosion-proof box body, a ceiling is arranged above the outer explosion-proof box body, side supporting frames are arranged on the two sides of the bottom end of the ceiling, and the bottom ends of the side supporting frames are connected with the top end of the outer explosion-proof box body. L-shaped positioning seats are arranged on the two sides of the top of the outer anti-explosion box body, limiting rails are arranged on the tops of the L-shaped positioning seats, rail seats are slidably connected to one sides of the bottoms of the limiting rails, L-shaped movable seats are arranged at the bottom ends of the rail seats, telescopic driving pieces are installed on the inner walls of the L-shaped positioning seats, one ends of the telescopic driving pieces are connected with the inner walls of the L-shaped movable seats, and the other ends of the telescopic driving pieces are connected with the inner walls of the L-shaped movable seats. And a side baffle is arranged on the outer wall of the L-shaped movable seat. The power supply explosion-proof box not only guarantees the integrity of the outer explosion-proof box body, prolongs the service life of the power supply explosion-proof box, but also improves the heat dissipation performance of the power supply explosion-proof box, and improves the maintenance convenience of the power supply explosion-proof box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine power explosion -proof, concretely to a mine power explosion -proof box. BACKGROUND

[0002] Mine downhole working environment is special, and is especially prone to accidents, and the requirement to power is particularly high, under normal circumstances, there is gas explosion gas in mine, which requires that the power does not produce spark and any thermal effect in the use process, to prevent the power from causing explosion due to fire, resulting in equipment or personnel casualties, the power explosion -proof box is difficult to avoid when using the power box component heating due to work, leading to the increase of the air pressure in the box, thereby the box has the possibility of explosion, therefore designing a mine power explosion -proof box is particularly important.

[0003] Reference announcement number CN217523036U a mine power explosion -proof box, it includes the box, heat dissipation subassembly and line arrangement structure, the right end of the box is equipped with the door structure, the middle part of the box is equipped with power structure, the top of the box is equipped with the air -permeable dustproof structure, the bottom of the box is equipped with the wire inlet hole, the wire inlet hole is L-shaped, the heat dissipation subassembly is located in the inside upper end of the box, the line arrangement structure is located in the inside lower end of the box, and its advantages are that: it has air -permeable dustproof structure and heat dissipation subassembly, can effectively guarantee the heat dissipation of mine power, avoid the phenomenon that mine power appears excessively high temperature, thereby effectively reduce the temperature and air pressure in the power cavity, and effectively prevent the possibility of power explosion, and the existence of line arrangement structure can realize the line arrangement of the explosion -proof box, avoid the inconvenience caused by the disorderly arrangement of line in the explosion -proof box to the subsequent work of the explosion -proof box, and the function is more comprehensive, convenient for the promotion and use of product, according to the above, the power explosion -proof box can be better applied, but it is usually inconvenient to shield and protect the box, so that the falling stone is easy to cause the phenomenon of bruising the box, and then affect the service life of the power explosion -proof box, and the user is often puzzled. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a mine power explosion -proof box to solve the problem that the power explosion -proof box can be better applied in the above background art, but it is usually inconvenient to shield and protect the box, so that the falling stone is easy to cause the phenomenon of bruising the box, and then affect the service life of the power explosion -proof box.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mine power explosion -proof box, including outer explosion -proof box body, the inner wall of outer explosion -proof box body is installed with inner explosion -proof box body, the surface of inner explosion -proof box body is installed with inner box cover, the top of outer explosion -proof box body is equipped with ceiling, both sides of the bottom end of ceiling are equipped with side support frame, and the bottom end of side support frame is connected with the top end of outer explosion -proof box body, both sides of the top of outer explosion -proof box body are equipped with L type locating seat, the top of L type locating seat is equipped with limiting rail, one side sliding connection of limiting rail bottom is equipped with rail seat, the bottom end of rail seat is equipped with L type movable seat, the inner wall of L type locating seat is installed with telescopic drive, and one end of telescopic drive is connected with the inner wall of L type movable seat, and the outer wall of L type movable seat is equipped with side baffle, and one end of side baffle away from L type movable seat extends to the outside of outer explosion -proof box body.

[0006] Preferably, the outer wall of the outer explosion -proof box body is provided with a heat dissipation hole on both sides, and one end of the heat dissipation hole extends to the inside of the outer explosion -proof box body.

[0007] Preferably, the outer wall of the inner box cover is provided with a second frame, and the inner wall of the inner explosion -proof box body on one side of the second frame is provided with a first frame, so that the inner explosion -proof box body and the inner box cover can be disassembled and handled through the first frame and the second frame.

[0008] Preferably, the surface of the inner box cover is provided with a heat collecting plate at the center position, one end of the heat collecting plate extends to the inside of the inner box cover, and the surface of the heat collecting plate is provided with equidistant heat conducting fins, so that the inside of the inner explosion -proof box body can be transferred and cooled through the heat collecting plate and the heat conducting fins.

[0009] Preferably, the outer wall of the inner explosion -proof box body is provided with an angle seat on both sides, the inside of the angle seat is provided with a half waist type hole, the surface of the angle seat at the position of the half waist type hole is provided with a first threaded pin, one end of the first threaded pin penetrates the half waist type hole and is threadedly connected with the inner wall of the outer explosion -proof box body, and the first threaded pin is screwed out to the outside of the outer explosion -proof box body, so that the inner explosion -proof box body can be disassembled and handled.

[0010] Preferably, the surface of the second frame is provided with a plurality of second threaded pins, one end of the second threaded pin penetrates the second frame and is threadedly connected with the first frame, and the second threaded pin is screwed out to the outside of the first frame, so that the inner box cover and the inner explosion -proof box body can be disassembled and handled.

[0011] Compared with the prior art, the utility model has the advantages that the mine power explosion -proof box not only guarantees the integrity of the outer explosion -proof box body, prolongs the service life of the power explosion -proof box, improves the heat dissipation performance of the power explosion -proof box, and improves the convenience of the maintenance of the power explosion -proof box.

[0012] (1) By setting the canopy above the outer explosion-proof enclosure through the side support frame, the canopy can shield and protect the outer explosion-proof enclosure from above. Then, by driving the L-shaped movable seat to move horizontally through the telescopic drive component, the L-shaped movable seat drives the rail seat to slide at the bottom of the limit rail, so that the L-shaped movable seat drives the side baffle to move horizontally smoothly, thereby expanding the shielding range of the power explosion-proof enclosure and shielding and protecting the two outer walls of the outer explosion-proof enclosure. This can effectively reduce the phenomenon of falling rocks damaging the outer explosion-proof enclosure, thereby ensuring the integrity of the outer explosion-proof enclosure and extending the service life of the power explosion-proof enclosure.

[0013] (2) The heat energy inside the inner explosion-proof box is absorbed by the heat collection plate, and then the heat energy absorbed by the heat collection plate is transferred to the outside of the inner explosion-proof box by the heat conduction fins, so as to carry out heat dissipation in the inner explosion-proof box. Since heat dissipation holes are provided on both sides of the outer wall of the outer explosion-proof box, it is easy for the air inside the outer explosion-proof box to circulate with the outside air, thereby improving the heat dissipation performance of the power supply explosion-proof box.

[0014] (3) By screwing the first threaded pin out to the outside of the outer explosion-proof enclosure, the inner explosion-proof enclosure can be removed from the inner wall of the outer explosion-proof enclosure. Then, by screwing the second threaded pin out to the outside of the first frame, the inner cover can be removed from the surface of the inner explosion-proof enclosure. This makes it easier to disassemble and maintain the inner cover and the inner explosion-proof enclosure, thereby improving the convenience of maintaining the power supply explosion-proof enclosure. Attached Figure Description

[0015] Figure 1 This is a frontal cross-sectional view of the present invention.

[0016] Figure 2 This is a side view of the explosion-proof enclosure of this utility model.

[0017] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is a bottom view of the L-shaped positioning seat structure of this utility model.

[0019] In the diagram: 1. Outer explosion-proof enclosure; 2. Heat dissipation vent; 3. Side support frame; 4. Roof; 5. L-shaped positioning seat; 6. Telescopic drive component; 7. Side baffle; 8. Inner enclosure cover; 9. Heat collection plate; 10. Heat-conducting fins; 11. Angle seat; 12. Semi-waisted hole; 13. First threaded pin; 14. Inner explosion-proof enclosure; 15. First frame; 16. Second frame; 17. Second threaded pin; 18. L-shaped movable seat; 19. Limiting rail; 20. Rail seat. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figures 1-4 An embodiment of this utility model is provided: a mine power supply explosion-proof box, including an outer explosion-proof box 1, and heat dissipation holes 2 are provided on the outer walls on both sides of the outer explosion-proof box 1, with one end of the heat dissipation hole 2 extending into the interior of the outer explosion-proof box 1.

[0022] During use, the heat dissipation holes 2 are provided to allow the outer explosion-proof enclosure 1 to ventilate and dissipate heat.

[0023] An inner explosion-proof enclosure 14 is installed on the inner wall of the outer explosion-proof enclosure 1. Angle seats 11 are provided on the outer walls on both sides of the inner explosion-proof enclosure 14. A semi-waist-shaped hole 12 is provided inside the angle seat 11. A first threaded pin 13 is installed on the surface of the angle seat 11 at the position of the semi-waist-shaped hole 12. One end of the first threaded pin 13 passes through the semi-waist-shaped hole 12 and is threadedly connected to the inner wall of the outer explosion-proof enclosure 1.

[0024] In use, the inner explosion-proof enclosure 14 can be disassembled by unscrewing one end of the first threaded pin 13 to the outside of the outer explosion-proof enclosure 1.

[0025] An inner cover 8 is installed on the surface of the inner explosion-proof enclosure 14. A second frame 16 is provided on the outer wall of the inner cover 8. A first frame 15 is provided on the outer wall of the inner explosion-proof enclosure 14 on one side of the second frame 16.

[0026] In use, the first frame 15 and the second frame 16 are set to allow for the disassembly and assembly of the inner explosion-proof box 14 and the inner box cover 8.

[0027] A plurality of second threaded pins 17 are mounted on the surface of the second frame 16, one end of the second threaded pin 17 passing through the second frame 16 and threadedly connected to the first frame 15.

[0028] In use, the inner cover 8 and the inner explosion-proof box 14 can be disassembled by unscrewing one end of the second threaded pin 17 to the outside of the first frame 15.

[0029] A heat collection plate 9 is provided at the center of the surface of the inner box cover 8. One end of the heat collection plate 9 extends into the interior of the inner box cover 8. The surface of the heat collection plate 9 is provided with heat-conducting fins 10 at equal intervals.

[0030] In use, the heat collection plate 9 and the heat-conducting fins 10 are arranged to conduct heat dissipation through heat transfer to the interior of the explosion-proof enclosure 14.

[0031] The outer explosion-proof enclosure 1 is provided with a canopy 4 on top. The bottom of the canopy 4 is provided with side support brackets 3 on both sides. The bottom of the side support brackets 3 is connected to the top of the outer explosion-proof enclosure 1. The top of the outer explosion-proof enclosure 1 is provided with L-shaped positioning seats 5 on both sides. The top of the L-shaped positioning seat 5 is provided with a limiting rail 19. The bottom of the limiting rail 19 is slidably connected to a rail seat 20. The bottom of the rail seat 20 is provided with an L-shaped movable seat 18. The inner wall of the L-shaped positioning seat 5 is equipped with a telescopic drive component 6. One end of the telescopic drive component 6 is connected to the inner wall of the L-shaped movable seat 18. The outer wall of the L-shaped movable seat 18 is provided with a side baffle 7. The end of the side baffle 7 away from the L-shaped movable seat 18 extends to the outside of the outer explosion-proof enclosure 1.

[0032] In this embodiment, the heat collector 9 first absorbs the heat energy inside the inner explosion-proof enclosure 14, and then the heat-conducting fins 10 transfer the heat energy absorbed by the heat collector 9 to the outside of the inner explosion-proof enclosure 14 for heat transfer. Since heat dissipation holes 2 are provided on both sides of the outer walls of the outer explosion-proof enclosure 1, it facilitates airflow between the inside and outside of the outer explosion-proof enclosure 1 and reduces the inflow of external dust into the interior of the outer explosion-proof enclosure 1, thus improving the heat dissipation performance of the power supply explosion-proof box. Then, the canopy 4 is placed above the outer explosion-proof enclosure 1 via the side support 3, allowing the canopy 4 to provide top protection for the outer explosion-proof enclosure 1. Finally, the telescopic drive 6 drives the L-shaped movable seat 18 to move horizontally, causing the L-shaped movable seat 18 to move the rail seat 2. The L-shaped movable seat 18 slides at the bottom of the limiting rail 19, allowing the side baffle 7 to move smoothly laterally, thereby expanding the shielding range of the power supply explosion-proof box and providing shielding protection for the two outer walls of the outer explosion-proof box 1, reducing the damage caused by falling rocks to the outer explosion-proof box 1. Finally, by turning the first threaded pin 13 out to the outside of the outer explosion-proof box 1, the inner explosion-proof box 14 can be removed from the inner wall of the outer explosion-proof box 1. Then, by turning the second threaded pin 17 out to the outside of the first frame 15, the inner box cover 8 can be removed from the surface of the inner explosion-proof box 14, making it easy to disassemble and maintain the inner box cover 8 and the inner explosion-proof box 14. This power supply explosion-proof box adopts a double-layer structure design and has excellent shielding protection and heat dissipation performance, giving it good overall performance.

Claims

1. A mine power supply explosion-proof box, characterized in that: The enclosure includes an outer explosion-proof enclosure (1), an inner explosion-proof enclosure (14) installed on the inner wall of the outer explosion-proof enclosure (1), an inner cover (8) installed on the surface of the inner explosion-proof enclosure (14), a canopy (4) above the outer explosion-proof enclosure (1), side supports (3) on both sides of the bottom of the canopy (4), the bottom of the side supports (3) being connected to the top of the outer explosion-proof enclosure (1), and L-shaped positioning seats (5) on both sides of the top of the outer explosion-proof enclosure (1), with a top of the L-shaped positioning seats (5) having a... A limiting rail (19) is slidably connected to a rail seat (20) on one side of the bottom of the limiting rail (19). An L-shaped movable seat (18) is provided at the bottom end of the rail seat (20). A telescopic drive component (6) is installed on the inner wall of the L-shaped positioning seat (5). One end of the telescopic drive component (6) is connected to the inner wall of the L-shaped movable seat (18). A side baffle (7) is provided on the outer wall of the L-shaped movable seat (18). The end of the side baffle (7) away from the L-shaped movable seat (18) extends to the outside of the outer explosion-proof enclosure (1).

2. The explosion-proof box for mining power supply according to claim 1, characterized in that: The outer walls on both sides of the explosion-proof enclosure (1) are provided with heat dissipation holes (2), one end of which extends into the interior of the explosion-proof enclosure (1).

3. The explosion-proof box for mining power supply according to claim 1, characterized in that: The outer wall of the inner box cover (8) is provided with a second frame (16), and the outer wall of the inner explosion-proof box (14) on one side of the second frame (16) is provided with a first frame (15).

4. The explosion-proof box for mining power supply according to claim 1, characterized in that: A heat collection plate (9) is provided at the center of the surface of the inner box cover (8). One end of the heat collection plate (9) extends into the interior of the inner box cover (8). The surface of the heat collection plate (9) is provided with heat-conducting fins (10) at equal intervals.

5. The explosion-proof box for mining power supply according to claim 1, characterized in that: Angle seats (11) are provided on the outer walls of both sides of the inner explosion-proof enclosure (14). The interior of the angle seat (11) is provided with a semi-waist-shaped hole (12). A first threaded pin (13) is installed on the surface of the angle seat (11) at the position of the semi-waist-shaped hole (12). One end of the first threaded pin (13) passes through the semi-waist-shaped hole (12) and is threadedly connected to the inner wall of the outer explosion-proof enclosure (1).

6. The explosion-proof box for mining power supply according to claim 3, characterized in that: The surface of the second frame (16) is equipped with a plurality of second threaded pins (17), one end of the second threaded pin (17) passes through the second frame (16) and is threadedly connected to the first frame (15).

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