CN113473755B - Mobile mine explosion-proof and intrinsically safe control box - Google Patents

Abstract

The invention discloses a movable mining explosion-proof and intrinsic safety control box, which belongs to the technical field of mining control equipment and comprises two oppositely-installed shells, a platform fixedly connected to the outer walls of the four sides of the shells and a central control box arranged in the shells, wherein the outer wall of one side of the platform is fixedly connected with a movable assembly, a buffer assembly comprises a fixed sleeve fixedly connected to the inner wall of the top of the shell and an inner sleeve fixedly connected to the outer wall of the top of the fixed sleeve, the inner sleeve and the inner wall of the fixed sleeve are slidably connected with an inner cylinder, the inner wall of the periphery of the fixed sleeve is provided with a sliding groove, and the inner wall of the top of the sliding groove is fixedly connected with a rebound rod. According to the invention, by arranging the buffer component, high-temperature and high-pressure gas in the inner connecting sleeve and the shell can be treated, meanwhile, the inner cylinder extends by means of movement, the space in the shell is expanded, the gas pressure is reduced, and meanwhile, the inner cylinder is connected to the inner wall of the inner connecting sleeve in a sliding manner, so that the shell can keep enough sealing performance.

Description

Mobile mine explosion-proof and intrinsically safe control box

technical field

The invention relates to a mine control box device, in particular to a mobile mine explosion-proof and intrinsically safe control box, which belongs to the technical field of mine control equipment.

Background technique

Classification of explosion-proof electrical equipment specially designed for underground use in coal mines. Explosion-proof electrical equipment is divided into flameproof, increased safety, intrinsically safe and other types. The explosion-proof type is to enclose all parts of the equipment that may ignite explosive gas mixtures in a shell.

Existing mine explosion-proof control boxes are generally based on the protection and isolation design of the shell, which isolates the internal environment from the external space, so as to avoid potential explosion hazards inside and outside from affecting the shell, that is, the shell is always in a stable and restricted state, but once the shell is The internal control box gas leakage or the release of high temperature and high pressure gas will gradually increase the impact on the casing, so the limiting ability of the casing often weakens its explosion-proof ability.

How to develop a mobile mine explosion-proof and intrinsically safe control box is an urgent problem to be solved.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a mobile mine explosion-proof and intrinsically safe control box in order to solve the deficiencies of the prior art.

Object of the present invention can be achieved by adopting the following technical solutions:

The mobile mine explosion-proof and intrinsically safe control box includes two oppositely installed shells, a platform fixedly connected to its surrounding outer walls, and a central control box arranged inside the shell, one side of the platform is A moving component is fixedly connected to the outer wall, a buffer component is fixedly connected to the inner wall of the top of the casing, and the buffer component includes a fixed sleeve fixedly connected to the inner wall of the top of the casing and an inner sleeve fixed to the outer wall of the top of the fixed sleeve. , the inner sleeve and the inner wall of the fixed sleeve are slidably connected with an inner cylinder, the inner wall around the fixed sleeve is provided with a chute, the inner wall of the top of the chute is fixedly connected with a rebound rod, and one end of the rebound rod is an outer wall A connecting table is fixedly connected with the outer wall of one side and the inner cylinder, two branch pipes are fixedly connected to the inner wall of the top of the inner connecting sleeve, and a middle sleeve is fixedly connected between the outer walls of the other ends of the two branch pipes, and the middle sleeve is fixedly connected. A spark plug is fixedly connected to the inner wall of the top of the set sleeve, a thimble rod is fixedly connected to the outer wall of the top of the inner cylinder, the inner wall of the inner cylinder is provided with a diversion hole, and the inner wall of the inner sleeve is provided with a first through hole.

Preferably, the outer wall of the bottom of the fixed sleeve is connected with two oppositely installed lower buckle plates through a reset hinge, and the inner wall of the bottom of the middle sleeve is connected with two oppositely installed upper buckles through a reset hinge.

Preferably, an exchange shell is fixedly connected to the outer wall of the inner socket, the outer wall of the inner socket is provided with second through holes arranged in a circle, the outer wall of the exchange shell is provided with third through holes arranged in a circle, and the exchange shell The inner wall is provided with a sponge with coolant attached.

Preferably, the bottom outer wall of the inner socket is fixedly connected to the top outer wall of the casing, and the central control box adopts an intrinsically safe circuit structure.

Preferably, the inner wall of the bottom of the casing is provided with a placement groove, the inner wall of the placement groove is movably connected with an inner plug sleeve, and the outer wall of the inner tube in the inner plug sleeve is fixedly connected with one side of the outer wall and one side of the housing. The inner wall is fixedly connected of ventilator.

Preferably, the inner wall of the ventilating cylinder is provided with a piston disc, the outer wall of one side of the ventilating cylinder is fixedly connected with an electric push rod, and the outer wall of the output shaft of the electric push rod is fixedly connected to the inner wall of the center of the piston disc.

Preferably, the outer wall of one side of the central control box is fixedly connected to the outer wall of one side of the electric push rod, the inner plug sleeve is made of non-metallic material and has rounded corners on both sides.

Preferably, the moving assembly includes an adjustment box fixedly connected to the outer wall of one side of the platform and two rocker arms arranged on the outer wall of one side of the adjustment box.

Preferably, a support rod is fixedly connected to the outer wall of one side of the rocker arm, and a drive box is fixedly connected to the outer wall of one side of the support rod.

Preferably, a turntable is arranged in the middle of the drive box, and wheels are arranged on the outer wall of one side of the drive box.

Beneficial technical effects of the present invention: According to the mobile mine explosion-proof and intrinsically safe control box of the present invention, by setting the buffer assembly, when the central control box inside the casing is in operation, high-pressure and high-temperature gas is released into the interior of the casing In the area, as the pressure gradually increases, the inner cylinder is pushed up gradually, and then when the guide hole of the inner cylinder is connected with the third through hole inside the inner sleeve, this part of the gas enters the inner sleeve, and the thimble rod is connected to the inner sleeve. The sparks inside the sleeve are in contact, and the spark passes through the branch pipe to ignite the gas inside the inner sleeve; the high-temperature and high-pressure gas inside the inner sleeve and the shell can be treated, and at the same time, the movement of the inner cylinder extends to expand the space inside the shell , reduce the gas pressure, and at the same time, the inner cylinder is slidably connected to the inner wall of the inner sleeve, so that the shell maintains sufficient sealing; by setting the lower gusset plate and the upper gusset plate, when the inner cylinder rises, the lower gusset plate closes the bottom area of the fixed sleeve, The inner space of the shell and the inner cylinder space are isolated. When the inner sleeve gas burns, it will not interfere with the inside of the shell. After the thimble rod is separated from the center sleeve, the upper pinch plate closes the bottom of the center sleeve to avoid the outer wall. The air enters the inner sleeve area; by setting the inner plug sleeve of the ventilator, the inner plug sleeve is placed on the inner wall of the placement groove, and after the two shells are fixed by the platform, the electric push rod pushes the piston disc in the ventilator, making The inner plug sleeve is inflated and expanded, thereby closing the gap between the two shells and further ensuring the sealing inside the shells; by setting the adjustment box, the adjustment box adjusts the opening angle of the two rocker arms, which can drive the support rod to swing , so that the relative position of the drive box can be adjusted, so that the device can adapt to the moving work in various environments of tunnels and flats.

Description of drawings

1 is a schematic diagram of the overall structure of a preferred embodiment of a mobile mine explosion-proof and intrinsically safe control box according to the present invention;

2 is a partial structural sectional view of a preferred embodiment of a mobile mine explosion-proof and intrinsically safe control box according to the present invention;

3 is a schematic structural diagram of a buffer assembly of a preferred embodiment of a mobile mine explosion-proof and intrinsically safe control box according to the present invention;

4 is a structural cross-sectional view of a buffer assembly of a preferred embodiment of the mobile mine explosion-proof and intrinsically safe control box according to the present invention;

5 is a schematic structural diagram of an inner plug sleeve according to a preferred embodiment of a mobile mine explosion-proof and intrinsically safe control box according to the present invention;

6 is a schematic view of the shell structure of a preferred embodiment of the mobile mine explosion-proof and intrinsically safe control box according to the present invention.

In the figure: 1-shell, 2-adjustment box, 3-support rod, 4-drive box, 5-exchange shell, 6-stand, 7-central control box, 8-electric push rod, 9-branch pipe, 10 -Center sleeve, 11-Taper rod, 12-Inner sleeve, 13-Sleeve, 14-Rebound rod, 15-Lower plate, 16-Inner cylinder, 17-Tinder plate, 18-Up plate, 19-sponge sleeve, 20-first through hole, 21-second through-hole, 22-third through-hole, 23-ventilator, 24-inner plug sleeve, 25-placement groove.

Detailed ways

In order to make the technical solution of the present invention clearer and clearer to those skilled in the art, the present invention will be described in further detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in FIGS. 1 to 6 , the mobile mine explosion-proof and intrinsically safe control box provided in this embodiment includes two oppositely installed shells 1 and a platform 6 that is fixedly connected to the surrounding outer walls thereof, and a The central control box 7 inside the casing 1, the outer wall of one side of the platform 6 is fixedly connected with a moving component, the inner wall of the top of the casing 1 is fixedly connected with a buffer component, and the buffer component includes a fixed connection to the casing. The fixed sleeve 13 on the inner wall of the top of the body 1 and the inner sleeve 12 fixedly connected to the top outer wall of the fixed sleeve 13, the inner sleeve 12 and the inner wall of the fixed sleeve 13 are slidably connected with an inner cylinder 16, and the fixed sleeve 13 A chute is provided on the surrounding inner walls, and a rebound rod 14 is fixedly connected to the inner wall of the top of the chute. Two branch pipes 9 are fixedly connected to the inner wall of the top of the nipple 12 , a middle sleeve 10 is fixedly connected between the outer walls of the other ends of the two branch pipes 9 , and the inner wall of the top of the middle sleeve 10 is fixedly connected with a sparker 17 . A thimble rod 11 is fixedly connected to the top outer wall of the inner cylinder 16 , the inner wall of the inner cylinder 16 is provided with a guide hole, and the inner wall of the inner sleeve 12 is provided with a first through hole 20 .

By setting the buffer assembly, when the central control box 7 inside the casing 1 is in operation, the high-pressure and high-temperature gas is released into the inner area of the casing 1, and the inner cylinder 16 is pushed up gradually as the pressure gradually increases, and then when the inner cylinder 16 is released After the guide hole is communicated with the first through hole 20 inside the inner sleeve 12, this part of the gas enters the inner sleeve 12. At this time, the ejector pin 11 is in contact with the spark 17 inside the center sleeve 10, and the spark passes through the branch pipe 9 Ignite the gas inside the inner sleeve 12; it can make the high temperature and high pressure gas inside the inner sleeve 12 and the shell 1 to be treated, and at the same time rely on the movement of the inner cylinder 16 to extend, expand the space inside the shell 1, reduce the gas pressure, and at the same time The barrel 16 is slidably connected to the inner wall of the inner sleeve 12, so that the housing 1 maintains sufficient sealing.

In this embodiment, as shown in FIGS. 1-4 , the bottom outer wall of the fixed sleeve 13 is connected with two oppositely installed lower gussets 15 through a reset hinge, and the bottom inner wall of the middle sleeve 10 is connected with a reset hinge through a reset hinge. Two upper gusset plates 18 installed opposite to each other; the outer wall of the inner connecting sleeve 12 is fixedly connected with the exchange shell 5 , the outer wall of the inner connecting sleeve 12 is provided with the second through holes 21 arranged in a circle, and the outer wall of the exchange shell 5 is provided with The third through holes 22 are arranged in a circle. The inner wall of the exchange shell 5 is provided with a sponge sleeve 19 with cooling liquid; 7 Adopt intrinsically safe circuit structure. By arranging the lower gusset plate 15 and the upper gusset plate 18, when the inner tube 16 rises, the lower gusset plate 15 closes the bottom area of the fixed sleeve 13, so that the inner space of the housing 1 and the space of the inner tube 16 are isolated, and the inner sleeve 12 is combusted with gas The upper gusset plate 18 closes the bottom of the middle sleeve 10 after the ejector rod 11 is separated from the middle sleeve 10 to prevent the outer wall air from entering the inner sleeve 12 area.

In this embodiment, as shown in FIG. 2 and FIG. 5 , the inner wall of the bottom of the housing 1 is provided with a placement groove 25 , and the inner wall of the placement groove 25 is movably connected with an inner plug sleeve 24 , and the inner plug sleeve 24 is placed in the middle The outer wall of the duct is fixedly connected with a ventilating cylinder 23 which is fixedly connected with the outer wall of one side and the inner wall of the casing 1; The outer wall of the output shaft of the electric push rod 8 is fixedly connected to the inner wall of the center of the piston plate; the outer wall of one side of the central control box 7 is fixedly connected to the outer wall of the electric push rod 8, and the inner plug sleeve 24 adopts a non- Made of metal with rounded corners on both sides. By setting the inner plug sleeve 24 of the ventilator 23, the inner plug sleeve 24 is arranged on the inner wall of the placement groove 25, after the two shells 1 are fixed by the platform 6, the electric push rod 8 pushes the piston disc in the ventilator 23, The inner plug sleeve 24 is inflated and expanded, so as to close the gap between the two shells 1 and further ensure the sealing of the inside of the shells 1 .

In this embodiment, as shown in FIG. 1 , the moving assembly includes an adjustment box 2 fixedly connected to the outer wall of one side of the platform 6 and two rocker arms arranged on the outer wall of one side of the adjustment box 2 ; A support rod 3 is fixedly connected to the outer wall of one side of the rocker arm, and a drive box 4 is fixedly connected to the outer wall of one side of the support rod 3; By setting the adjusting box 2, wherein the adjusting box 2 adjusts the opening angles of the two rocker arms, the support rod 3 can be driven to swing, so that the relative position of the driving box 4 can be adjusted, so that this kind of device can be adapted to various environments of tunnel and flat floor. Mobile work.

In this embodiment, as shown in FIGS. 1 to 6 , the working process of the mobile mine explosion-proof and intrinsically safe control box provided by this embodiment is as follows:

Step 1: When the central control box 7 inside the shell 1 is running, the high-pressure and high-temperature gas is released into the inner area of the shell 1, and the inner cylinder 16 is pushed up gradually as the pressure gradually increases. After being communicated with the first through hole 20 inside the inner sleeve 12, this part of the gas enters the inner sleeve 12. At this time, the ejector pin 11 is in contact with the sparking sheet 17 inside the center sleeve 10, and the spark passes through the branch pipe 9 to ignite the inner connection. the gas inside the sleeve 12;

Step 2: When the inner tube 16 rises, the lower gusset 15 closes the bottom area of the fixed sleeve 13, so that the inner space of the shell 1 and the space of the inner tube 16 are isolated. When the gas of the inner sleeve 12 burns, it will not interfere with the interior of the shell 1 , and the upper gusset 18 closes the bottom of the middle sleeve 10 after the ejector rod 11 is separated from the middle sleeve 10;

Step 3: After the two shells 1 are fixed by the platform 6, the electric push rod 8 pushes the piston disc in the ventilator 23, so that the inner plug 24 is inflated and expanded, thereby sealing the space between the two shells 1. The adjustment box 2 adjusts the opening angle of the two rocker arms, which can drive the support rod 3 to swing, so that the relative position of the drive box 4 can be adjusted.

To sum up, in this embodiment, according to the mobile mine explosion-proof and intrinsically safe control of this embodiment, by setting the buffer assembly, when the central control box 7 inside the casing 1 is running, the high-pressure and high-temperature gas is released Entering the inner area of the housing 1, the inner cylinder 16 is pushed up gradually as the pressure gradually increases, and then when the guide hole of the inner cylinder 16 is communicated with the first through hole 20 inside the inner sleeve 12, this part of the gas enters the inner cylinder 16. In the sleeve 12, at this time, the ejector pin 11 is in contact with the ignition sheet 17 inside the center sleeve 10, and the spark passes through the branch pipe 9 to ignite the gas inside the inner sleeve 12; The gas is processed, and at the same time, it is extended by the movement of the inner cylinder 16, which expands the space inside the casing 1 and reduces the gas pressure. The gusset plate 15 and the upper gusset plate 18, when the inner cylinder 16 rises, the lower gusset plate 15 closes the bottom area of the fixed sleeve 13, so that the inner space of the shell 1 and the space of the inner cylinder 16 are isolated. It will interfere with the inside of the housing 1, and after the ejector pin 11 is separated from the middle sleeve 10, the upper gusset 18 closes the bottom of the middle sleeve 10 to prevent the outer wall air from entering the area of the inner sleeve 12; The plug sleeve 24, wherein the inner plug sleeve 24 is placed on the inner wall of the placement groove 25. After the two housings 1 are fixed by the platform 6, the electric push rod 8 pushes the piston disc in the ventilator 23, so that the inner plug sleeve 24 is completed. Inflate and expand, so as to close the gap between the two shells 1 and further ensure the sealing of the inside of the shell 1; by setting the adjustment box 2, the adjustment box 2 adjusts the opening angle of the two rocker arms, which can drive the support rod 3 Swing, the relative position of the drive box 4 can be adjusted, so that the device can adapt to the moving work in various environments of tunnels and flats.

The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacements or changes all belong to the protection scope of the present invention.

Claims (10)

1. The movable mining explosion-proof and intrinsically safe control box is characterized by comprising two relatively-installed shells (1), a platform (6) fixedly connected to the peripheral outer walls of the shells and a central control box (7) arranged in the shells (1), wherein a moving assembly is fixedly connected to the outer wall of one side of the platform (6), a buffering assembly is fixedly connected to the inner wall of the top of the shells (1), the buffering assembly comprises a fixed sleeve (13) fixedly connected to the inner wall of the top of the shells (1) and an inner connecting sleeve (12) fixedly connected to the outer wall of the top of the fixed sleeve (13), the inner connecting sleeve (12) and the inner wall of the fixed sleeve (13) are slidably connected with an inner cylinder (16), the peripheral inner wall of the fixed sleeve (13) is provided with a sliding groove, the inner wall of the top of the sliding groove is fixedly connected with a rebound rod (14), and the outer wall of one end of the rebound rod (14) is fixedly connected with a connecting table fixedly connected with one side of the outer wall and the inner cylinder (16), the inner wall of the top of the inner connecting sleeve (12) is fixedly connected with two branch pipes (9), a middle sleeve (10) is fixedly connected between the outer walls of the other ends of the two branch pipes (9), a striking plate (17) is fixedly connected to the inner wall of the top of the middle sleeve (10), an ejector pin rod (11) is fixedly connected to the outer wall of the top of the inner cylinder (16), a flow guide hole is formed in the inner wall of the inner cylinder (16), and a first through hole (20) is formed in the inner wall of the inner connecting sleeve (12).

2. The movable mining flameproof and intrinsically safe control box of claim 1, characterized in that the outer wall of the bottom of the fixed sleeve (13) is connected with two lower pinch plates (15) which are oppositely arranged through a reset hinge, and the inner wall of the bottom of the middle sleeve (10) is connected with two upper pinch plates (18) which are oppositely arranged through a reset hinge.

3. The movable mining flameproof and intrinsically safe control box according to claim 1, characterized in that an exchange shell (5) is fixedly connected to the outer wall of the inner connecting sleeve (12), second through holes (21) are formed in the outer wall of the inner connecting sleeve (12) in a circumferential arrangement, third through holes (22) are formed in the outer wall of the exchange shell (5) in a circumferential arrangement, and a sponge sleeve (19) with cooling liquid is arranged on the inner wall of the exchange shell (5).

4. The movable mining flameproof and intrinsically safe control box of claim 1, characterized in that the outer wall of the bottom of the inner connecting sleeve (12) is fixedly connected to the outer wall of the top of the shell (1), and the central control box (7) adopts an intrinsically safe circuit structure.

5. The movable mining flameproof and intrinsically safe control box according to claim 1, characterized in that a placement groove (25) is formed in the inner wall of the bottom of the housing (1), an inner plug sleeve (24) is movably connected to the inner wall of the placement groove (25), and an air exchange cylinder (23) is fixedly connected to one side of the inner plug sleeve (24) and is communicated with each other.

6. The mobile mining flameproof and intrinsically safe control box of claim 5, characterized in that a piston disc is arranged on the inner wall of the gas exchange cylinder (23), an electric push rod (8) is fixedly connected to the outer wall of one side of the gas exchange cylinder (23), and the outer wall of an output shaft of the electric push rod (8) is fixedly connected to the inner wall of the center of the piston disc.

7. The movable mining flameproof and intrinsically safe control box of claim 6, characterized in that the outer wall of one side of the central control box (7) is fixedly connected to the outer wall of one side of the electric push rod (8), the inner plug sleeve (24) is made of non-metal materials, and round corners are arranged on two sides of the inner plug sleeve.

8. The mobile mining flameproof and intrinsically safe control box of claim 1, characterized in that the mobile assembly comprises an adjusting box (2) fixedly connected to the outer wall of one side of the platform (6) and two rocker arms arranged on the outer wall of one side of the adjusting box (2).

9. The mobile mining flameproof and intrinsically safe control box of claim 8, characterized in that the outer wall of one side of the rocker arm is fixedly connected with a support rod (3), and the outer wall of one side of the support rod (3) is fixedly connected with a driving box (4).

10. The mobile mining flameproof and intrinsically safe control box of claim 9, characterized in that a turntable is arranged in the middle of the drive box (4), and wheels are arranged on the outer wall of one side of the drive box (4).

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