CN216788464U - Mining automatic explosion-proof device with sealed body capable of being opened rapidly - Google Patents

Abstract

A mining automatic explosion-proof device with a sealing body capable of being opened quickly belongs to the technical field of valves. The explosion-proof device solves the problems that an explosion-proof membrane with low container pressure in the existing explosion-proof device can not be completely broken, and the fire extinguishing agent can not be effectively sprayed. According to the utility model, the valve body channel is arranged at the air outlet of the steel cylinder, the valve body is arranged in the valve body channel, the valve body channel and the discharge cavity are blocked or opened by utilizing the movement of the valve body, and the medium in the sealing part is sealed or discharged outwards, namely the valve body channel is closed or opened; receive the explosion shock wave through the shock wave receiving panel, the shock wave receiving panel passes through the push rod and connects trigger mechanism, trigger mechanism adopts gear rotation adjustment lock post whether to inject the valve body position, and the valve body gets into seal actuating mechanism's the discharge intracavity, and it is female to drive the piston rod and promote the piston forward, drives the seal and punctures the structure and remove towards the rupture membrane direction, punctures the rupture membrane. The utility model is suitable for mining explosion suppression.

Description

Mining automatic explosion-proof device with sealed body capable of being opened rapidly

Technical Field

The utility model belongs to the technical field of valves.

Background

According to the method for restraining gas and coal dust explosion under the well according to the requirements of coal mine safety regulations, an explosion-proof water bag is generally hung on a roadway support frame, and the method is simple but has poor effect. The top of the roadway is provided with a mechanical automatic explosion-proof device to replace an explosion-proof water bag; the explosion-proof device is opened by the thrust of explosion waves to extinguish fire. The explosion-proof device spraying port sealing body is an explosion-proof membrane, and when spraying, the fire extinguishing agent is pushed by the gas pressure in the explosion-proof device, and after the explosion-proof membrane is broken, the fire extinguishing agent is sprayed at high speed. The explosion-proof membrane can be broken by a certain pressure to achieve high-speed spraying and intercepting, so that the pressure of a container in the explosion-proof device is extremely high, and the device is installed in a roadway transportation place to cause great harm to personal safety. If the container pressure in the explosion-proof device is low and the explosion-proof membrane can not be completely broken, the fire extinguishing agent can not be effectively sprayed, so that secondary explosion accidents of gas and coal dust can be caused. Therefore, the existing explosion-proof device is difficult to meet the use requirement under low pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that an explosion-proof membrane with low container pressure cannot be completely broken and a fire extinguishing agent cannot be effectively sprayed in the conventional explosion-proof device, and provides a mining automatic explosion-proof device with a sealing body capable of being quickly opened.

The utility model relates to a mining automatic explosion-proof device with a sealing body capable of being rapidly opened, which comprises a shock wave receiving mechanism, a high-pressure gas steel cylinder, a trigger mechanism and a sealing body starting mechanism;

the shock wave receiving mechanism receives explosion shock waves by using a shock wave receiving plate, and the shock wave receiving plate is connected with the triggering mechanism through a push rod;

the trigger mechanism comprises a gear transmission mechanism and a valve body trigger structure; the valve body triggering structure comprises a lock cylinder and a lock cylinder propelling mechanism;

the gas outlet of the high-pressure gas steel cylinder is communicated with the sealing body starting mechanism through a valve body channel, the side wall of the valve body channel is circumferentially provided with a plurality of limiting holes, each limiting hole is internally inserted with a lock column, a lock column propulsion mechanism is sleeved on the valve body channel and corresponds to the lock column in position, a piston is arranged in the valve body channel, a limiting groove is formed along the circumferential direction of the piston, and the lock column penetrates through the limiting holes and is clamped in the limiting groove of the piston;

the gear transmission mechanism comprises a linkage rod and a transmission gear, the linkage rod is hinged with the push rod, the push rod moves along the radial direction to drive the linkage rod to swing, and the linkage rod swings to drive the transmission gear to rotate;

the transmission gear rotates to drive the lock cylinder pushing mechanism to rotate, the lock cylinder enters or exits the limiting hole in the rotating process of the lock cylinder pushing mechanism, and the piston enters the sealing body starting mechanism when the lock cylinder exits the limiting hole;

the sealing body starting mechanism comprises a shell, the shell is cylindrical, and one end of the cylindrical shell is sealed by an explosion-proof film; the other end is connected and communicated with the valve body channel; a sealing body puncture structure and a piston rod are further arranged in the shell;

the sealing body puncture structure is arranged close to the explosion-proof membrane; the sealing body puncture structure is provided with a sharp prick towards the direction of the explosion-proof membrane;

when the valve body enters the sealed shell of the sealed body starting mechanism, the piston rod is pushed to move under the action of high-pressure gas, the piston rod moves to drive the sealed body piercing structure to pierce the explosion-proof membrane of the sealed shell, and the high-pressure gas is sprayed out.

Further, the lock cylinder pushing mechanism comprises a bearing seat, a bearing and a concave-convex groove lock sleeve;

the bearing block is sleeved on the valve body channel, teeth are arranged on the outer surface of the bearing block at equal intervals along the circumferential direction, the teeth outside the bearing block are meshed with the transmission gear, the bearing and the concave-convex groove lock sleeve are both sleeved on the valve body channel, the outer surfaces of the bearing and the concave-convex groove lock sleeve are both attached to the inner wall of the bearing block, and the concave-convex parts in the concave-convex groove lock sleeve correspond to the lock columns.

Furthermore, in the utility model, the lock cylinder body is in a convex shape, the convex end of the lock cylinder is inserted into or withdrawn from the limiting hole, the end face of the other end of the lock cylinder body is provided with a U-shaped groove, a rolling bearing is connected in the U-shaped groove through a pin shaft, and the rolling direction of the rolling bearing is the same as the movement direction of the concave-convex groove lock sleeve.

Further, the utility model further comprises a sealing ring which is sleeved on the body of the lock column and used for plugging the limiting hole in the side wall of the valve body channel.

Further, in the utility model, a discharge cavity is further arranged in the shell of the sealing body starting mechanism, the discharge cavity comprises three-level cavities, the three-level cavities are sequentially and coaxially connected, the inner diameters of the three-level cavities are sequentially reduced, the first-level cavity of the discharge cavity is coaxially connected with the valve body channel, the inner diameter of the second-level cavity is equal to the inner diameter of the valve body channel, the piston rod is arranged in the third-level cavity, one end of the piston rod extends into the second-level cavity, one end of the third-level cavity is coaxially connected with the sealing body puncture structure, the first-level cavity of the discharge cavity is further provided with an air outlet, and a sealing rubber plug is arranged on the air outlet.

Furthermore, the sealing body puncture structure comprises a shaft tube, a piston nut, a plurality of L-shaped support rods and a steel puncture disc;

the one end and the tertiary cavity coaxial coupling of emission chamber of central siphon, the piston box sets up in the central siphon, and the piston rod is connected with the one end of piston box, and it has a plurality of rectangle mouths to open along central siphon circumference, and the one end of a plurality of L type cradling pieces passes respectively the rectangle mouth is connected with the side of piston box, and the other end is connected with the steel thorn dish, the steel thorn on the steel thorn dish is towards the rupture membrane, the other end of central siphon is fixed with the end cover.

Furthermore, the spraying angle adjusting mechanism comprises a sector plate, a connecting plate, a screw, a nut, a mounting plate and a shaft sleeve seat;

the connecting plate is connected with the end cover through a bolt, one end of the sector plate is installed on the installation plate through a hinge, the screw is vertically installed at the center of the installation plate through a shaft sleeve seat, the nut is in threaded connection with the screw, and the screw is connected with the sector plate through the connecting plate.

Furthermore, the triggering mechanism further comprises a speed reducer, an input shaft of the speed reducer is in transmission connection with the linkage rod, and the transmission gear is sleeved on an output shaft of the speed reducer.

Further, in the utility model, the tail end of the third-stage cavity is provided with a magnet, and the piston nut is made of a metal material.

Further, in the utility model, the trigger mechanism also comprises a pressure gauge and an inflation one-way valve; the air channel is formed in the valve body channel, the inflation check valve is arranged on the air channel opening, a pressure gauge is further arranged on the air channel opening and used for collecting inflation pressure.

Further, in the utility model, the steel thorn disc is in a cross shape.

The utility model sets a valve body channel at the air outlet of the steel cylinder, installs a valve body in the valve body channel, and blocks or opens the valve body channel and the discharge cavity by the movement of the valve body, thereby realizing the sealing or outward discharge of the medium in the sealing part, namely the closing or opening of the valve body channel; receive the explosion shock wave through the shock wave receiving plate, the shock wave receiving plate passes through the push rod and connects trigger mechanism, trigger mechanism adopts gear rotation adjustment lock post whether to inject the valve body position, and the valve body gets into seal actuating mechanism's the discharge intracavity, and it is female to drive the piston rod and promote the piston forward, drives the seal and punctures the structure and remove towards the rupture membrane direction, punctures the rupture membrane, and high-pressure gas simultaneously discharges the sealed plug of the gas outlet on the chamber with the first order and strikes away, realizes discharging the high-pressure gas in the high-pressure gas steel bottle, opens in the time of messenger's valve body millisecond level, promotes the responsiveness that the valve was opened.

Drawings

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

FIG. 2 is a schematic view showing a limited state of a valve body in the trigger mechanism;

FIG. 3 is a view C-C of the structure of FIG. 2;

FIG. 4 is a schematic view of the valve body in the trigger mechanism in an open state;

FIG. 5 is a D-D view of the structure of FIG. 4;

FIG. 6 is an exploded view of the trigger mechanism;

FIG. 7 is a schematic view of the internal structure of the sealing body actuating mechanism;

FIG. 8 is an assembly view of a seal body actuating mechanism and a spray angle adjusting mechanism;

FIG. 9 is a schematic view showing the state of the fan-shaped plate after the screw of the spraying angle adjusting mechanism is rotated counterclockwise;

FIG. 10 is a schematic view showing the state of the fan-shaped plate after the screw of the spraying angle adjusting mechanism is rotated clockwise;

fig. 11 is a schematic structural diagram of the steel thorn disc.

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.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The first embodiment is as follows: the following description of the embodiment is provided with reference to fig. 1 to 6, and the embodiment provides a mining automatic explosion suppression device with a sealing body capable of being rapidly opened, which includes: the device comprises a shock wave receiving mechanism 1, a high-pressure gas steel cylinder 2, a trigger mechanism 3 and a sealing body starting mechanism 4;

the shock wave receiving mechanism 1 receives explosion shock waves by using a shock wave receiving plate 101, wherein the shock wave receiving plate 101 is connected with the triggering mechanism 3 through a push rod 102;

the trigger mechanism 3 comprises a gear transmission mechanism and a valve body trigger structure; the valve body triggering structure comprises a lock cylinder 307 and a lock cylinder pushing mechanism 305;

the gas outlet of the high-pressure gas steel cylinder 2 is communicated with the sealing body starting mechanism 4 through a valve body channel 301, the side wall of the valve body channel 301 is circumferentially provided with a plurality of limiting holes, each limiting hole is internally inserted with a lock column 307, a lock column pushing mechanism 305 is sleeved on the valve body channel 301 and corresponds to the position of the lock column, a piston 306 is arranged in the valve body channel 301, a limiting groove is formed along the circumferential direction of the piston 306, and the lock column 307 penetrates through the limiting holes and is clamped in the limiting groove of the piston 306;

the gear transmission mechanism comprises a linkage 302 and a transmission gear 304, the linkage 302 is hinged with the push rod 102, the push rod 102 moves along the radial direction to drive the linkage 302 to swing, and the linkage 302 swings to drive the transmission gear 304 to rotate;

the transmission gear 304 rotates to drive the lock cylinder pushing mechanism 305 to rotate, in the rotating process of the lock cylinder pushing mechanism 305, the lock cylinder 307 enters or exits the limiting hole, and when the lock cylinder 307 exits the limiting hole, the piston 306 enters the sealing body starting mechanism 4;

the sealing body starting mechanism 4 comprises a shell 401, wherein the shell 401 is cylindrical, and one end of the cylindrical shape is sealed by an explosion-proof film; the other end is connected and communicated with the valve body channel 301; a sealing body piercing structure and a piston rod 405 are further arranged in the shell 401;

the sealing body puncture structure is arranged close to the explosion-proof membrane; the sealing body puncture structure is provided with a sharp prick towards the direction of the explosion-proof membrane;

when the valve body enters the sealed shell of the sealed body starting mechanism 4, the piston rod 405 is pushed to move under the action of high-pressure gas, the piston rod 405 moves to drive the sealed body piercing structure to pierce the explosion-proof membrane of the sealed shell, and the high-pressure gas is sprayed out.

The method for opening the valve body by rotating the gear reduces the starting resistance, reduces the volume of the starting mechanism and shortens the opening stroke. The problems of large starting resistance and long starting time of the large-diameter valve in a high-pressure state are solved; the convex surface of the concave-convex groove lock sleeve rotates to drive the lock cylinder to enter and exit the limiting hole, the bearing seat rotates through the bearing, sliding friction resistance is converted into a rotating force method, the starting friction resistance is greatly reduced, the rotating speed of a power source is improved, and the opening time is shortened. The valve can be opened at millisecond level under high pressure and large flow, and the responsiveness of the valve is improved. The valve body is pushed to move rapidly by pneumatic power, and the steel prick disc 408 mounted on the piston rod is pushed to move at high speed by instant impact, so that the sealing body is pierced and torn. Meanwhile, the spraying angle is adjusted by utilizing a connecting rod rotating method.

Further, the present embodiment is described with reference to fig. 6, in the present embodiment, the lock cylinder advancing mechanism 305 includes a bearing seat 305-1, a bearing 305-2, and a concave-convex groove lock sleeve 305-3;

the bearing seat 305-1 is sleeved on the valve body channel 301, teeth are arranged on the outer surface of the bearing seat 305-1 at equal intervals along the circumferential direction, the teeth outside the bearing seat 305-1 are meshed with the transmission gear 304, the bearing 305-2 and the concave-convex groove lock sleeve 305-3 are sleeved on the valve body channel 301, the outer surfaces of the bearing 305-2 and the concave-convex groove lock sleeve 305-3 are attached to the inner wall of the bearing seat, and concave-convex parts in the concave-convex groove lock sleeve 305-3 correspond to the lock column 307.

In the embodiment, the bearing seat 305-1 is externally provided with teeth in transmission connection with the transmission gear 304, the inner bearing 305-2 is sleeved outside the valve body channel, when the transmission gear rotates to drive the bearing seat to rotate, the friction force of the rotation of the bearing seat is effectively reduced as the bearing seat 305-1 is connected with the valve body channel through the bearing 305-2, the bearing seat 305-1 rotates to drive the concave-convex groove lock sleeve 305-3 to rotate, the lock column is pushed or the convex part of the concave-convex groove lock sleeve 305-3 is staggered with the lock column, and the lock column is separated from the limit groove of the piston under the pressure action of high-pressure gas.

Further, the embodiment is described with reference to fig. 6, in the embodiment, the lock cylinder 307 body is in a shape of a convex, a protruding end of the shape of the convex is inserted into or withdrawn from the limiting hole, an end surface of the other end is provided with a U-shaped groove, a rolling bearing 312 is connected to the inside of the U-shaped groove through a pin, and a rolling direction of the rolling bearing 312 is the same as a moving direction of the concave-convex groove lock sleeve.

In this embodiment, a U-shaped groove is formed on one end surface of the lock cylinder 307, and shaft holes are formed at appropriate radial positions on both sides of the end surface of the U-shaped groove. The mounting device is used for mounting a rolling bearing, and a rolling bearing end is called a big head end for short; the other end of the lock cylinder is a convex small head end for short, an O-shaped sealing ring is arranged on the position, which is a certain distance away from the small head end, of the lock cylinder and is contacted with the inner wall of a radial limiting hole of a valve body channel 301, a rolling bearing at the large head end of the lock cylinder is contacted with a concave-convex surface of a concave-convex groove lock sleeve, and the small head end of the lock cylinder is contacted with a V-shaped groove of a valve body. When the concave-convex groove lock sleeve rotates, the friction force is effectively reduced, the rapid response after the shock wave is received is realized, and the situation that the sealing body starting mechanism can be rapidly driven to puncture the explosion-proof membrane to rapidly spray gas after the shock wave is received is effectively guaranteed.

Further, the present embodiment is described with reference to fig. 6, in the present embodiment, the present embodiment further includes a sealing ring 310, and the sealing ring 310 is sleeved on the body of the locking column 307 and is used for plugging the limiting hole on the side wall of the valve body channel 301.

Further, this embodiment is described with reference to fig. 7, in this embodiment, a discharge cavity is further disposed in the casing 401 of the sealing body starting mechanism 4, the discharge cavity includes a third-stage cavity, the third-stage cavity is sequentially and coaxially connected, and the inner diameter of the third-stage cavity is sequentially reduced, the first-stage cavity 402 of the discharge cavity is coaxially connected with the valve body channel 301, the inner diameter of the second-stage cavity 403 is equal to the inner diameter of the valve body channel 301, the piston rod 405 is disposed in the third-stage cavity 404, one end of the piston rod extends into the second-stage cavity 403, one end of the third-stage cavity 404 is coaxially connected with the puncture sealing body structure, an air outlet is further disposed on the first-stage cavity 402 of the discharge cavity, and a sealing rubber plug is disposed on the air outlet.

In this embodiment, an air outlet of the first-stage cavity 402 is opened toward an air outlet end of the housing 401, and an explosion-proof membrane is disposed at the air outlet end of the housing 401.

Further, referring to fig. 8, the embodiment is described, in which the sealing body piercing structure includes a shaft tube 409, a piston nut 406, a plurality of L-shaped support rods 407 and a steel piercing plate 408;

one end of an axle tube 409 is coaxially connected with a third-stage cavity 404 of the discharge cavity, a piston nut 406 is arranged in the axle tube 409, a piston rod 405 is connected with one end of the piston nut 406, a plurality of rectangular openings are formed in the circumferential direction of the axle tube 409, one ends of a plurality of L-shaped support rods 407 penetrate through the rectangular openings respectively and are connected with the side face of the piston nut 406, the other end of the L-shaped support rods is connected with a steel thorn disc 408, steel thorns on the steel thorn disc 408 face an explosion-proof membrane, and an end cover 410 is fixed to the other end of the axle tube 409.

Further, the present embodiment is described with reference to fig. 8 to 10, and in the present embodiment, the present embodiment further includes a spraying angle adjusting mechanism 5 including a sector plate 501, a connecting plate 502, a screw 503, a nut 504, a mounting plate 505, and a boss 506;

the connecting plate 502 is connected with the end cover 410 through a bolt, one end of the sector plate 501 is mounted on the mounting plate 505 through a hinge, the screw 503 is vertically mounted in the center of the mounting plate 505 through a shaft sleeve seat 506, the nut 504 is in threaded connection with the screw 503, and the screw 503 is connected with the sector plate 501 through the connecting plate.

The spraying angle adjusting mechanism of the embodiment has the working principle that:

when the screw 503 rotates clockwise, the nut 504 drives the connecting plate 502 to move towards the shaft sleeve seat 506, and at the moment, the sector plate 501 expands outwards to increase the angle;

when the screw 503 rotates counterclockwise, the nut 504 drives the connecting plate 502 to move in the direction of the hexagonal edge of the screw 503, and at this time, the sector plate 501 is drawn close in the direction of the screw 503 to reduce the angle.

Further, the embodiment is described with reference to fig. 2 to fig. 6, in the embodiment, the triggering mechanism 3 further includes a speed reducer 303, an input shaft of the speed reducer 303 is in transmission connection with the linkage rod 302, and the transmission gear 304 is sleeved on an output shaft of the speed reducer 303.

Further, in the present embodiment, a magnet (411) is provided at the end of the third-stage cavity 404, and the piston nut 406 is made of a metal material.

Further, the present embodiment is described with reference to fig. 2 to fig. 6, in the present embodiment, the trigger mechanism 3 further includes a pressure gauge 308 and an inflation check valve 309; an air passage is formed in the valve body channel 301, the inflation check valve 309 is arranged on the air passage opening, a pressure gauge 308 is further arranged on the air passage opening, and the pressure gauge 308 is used for collecting inflation pressure.

Further, the present embodiment will be described with reference to fig. 11, and in the present embodiment, the bayonet plate 408 is formed in a cross shape.

The specific working process is as follows:

the push rod 102 drives the speed reducer to rotate, the transmission gear wheel 36 drives the lock cylinder pushing mechanism 305 to rotate, the concave-convex groove lock sleeve in the lock cylinder pushing mechanism 305 rotates synchronously, the large end (outer end) of the lock cylinder 307 is connected with the rolling bearing 312, the rolling bearing 312 rotates along with the rotation of the convex surface of the concave-convex groove lock sleeve 305-3, when the concave surface of the concave-convex groove lock sleeve 305-3 is parallel to the rolling bearing 312 at the large end of the lock cylinder 307, the rolling bearing 312 stops rotating, the piston 306 pushes the small end of the lock cylinder 307 to move out of the V groove (limiting groove) of the piston 306 and move into the first-stage cavity 402 connected with the valve body channel under the action of the pressure of the medium in the steel cylinder 1, after the lock cylinder 307 is moved away from the V groove of the piston 306 at a high speed under the action of the pressure of the medium in the high-pressure gas steel cylinder 2, the steel cylinder body channel 306 moves to be communicated with the first-stage cavity 402 along the radial direction, the first-stage cavity 402 is communicated with the high-pressure gas cylinder 2, the medium in the high-pressure gas steel cylinder 2 is discharged to the shell through the valve body channel 306, the discharge hole of the high-pressure gas steel cylinder 2 and the sealing rubber blanking cap, meanwhile, the piston rod 405 is pushed to move to the third-stage cavity 404 by impact in the valve body rapid moving process, the piston nut 406 is pushed to separate from the strong magnet 411 suction force to drive the steel prick disc 408 to impact and prick and tear the explosion-proof membrane of the sealing body, and at the moment, the channel for communicating the sealing space in the shell 401 with the outside is opened.

The utility model connects the valve body channel 301 in the air outlet of the high-pressure gas steel cylinder 2, set up the valve body 306 in the valve body channel 301, set up the radial spacing hole in the sidewall of the said valve body channel 301, there are O-shaped seal rings in a distance position to the radial spacing hole, utilize the movement of the valve body to stop or open the valve body channel and discharge the cavity, thus realize the closure or discharging outwardly of the medium in the closed part, namely closing or opening of the valve body channel; a lock sleeve and a lock column are also arranged to control the action of the valve body; the installation and the action of lock post have set up the V groove on the valve body, have set up radial spacing hole at valve body passageway inner wall, have set up the tongue and groove on the lock sleeve, and when the valve body was closed, the little head end of lock post (protruding end) was located the 4V inslot of piston and the radial spacing downthehole of valve body, and at this moment, antifriction bearing was connected to the big head end of lock post, and the V inslot that promotes the lock post and get into the valve body at lock sleeve tongue face pins the valve body. When the valve body needs to be opened, the shock wave receiving mechanism 1 receives shock waves and drives the connecting rod to swing through the push rod 102, the transmission shaft drives the bearing seat to rotate, the concave-convex groove lock sleeve 305-3 rotates, the rolling bearing 312 rotates, the lock column moves to the concave part of the concave-convex groove lock sleeve 305-3, the protruding part of the lock column moves into the radial limiting hole of the valve body from the limiting groove of the valve body, namely, the lock column moves away in the extrusion thrust of the valve body, the valve body is unlocked, the valve body moves away from the communication position of the radial limiting hole of the valve body channel under the action of medium pressure inside the sealing part, and the valve body opens the gas outlet of the high-pressure gas steel cylinder. The rolling bearing converts sliding friction force into rotating force, and starting resistance is greatly reduced, so that the position of the lock cylinder is rapidly changed. By means of the fan-shaped gear teeth arranged on the outer side of the bearing seat, the gear can be opened within millisecond-level time of the valve body under the high-speed rotation of the power driving mechanism when the valve body is in high pressure and large flow, and the opening responsiveness of the valve is improved.

Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (10)

1. The utility model provides a mining automatic flame proof device is opened fast to seal which characterized in that includes: the device comprises a shock wave receiving mechanism (1), a high-pressure gas steel cylinder (2), a trigger mechanism (3) and a sealing body starting mechanism (4);

the shock wave receiving mechanism (1) receives explosion shock waves by using a shock wave receiving plate (101), and the shock wave receiving plate (101) is connected with the triggering mechanism (3) through a push rod (102);

the trigger mechanism (3) comprises a gear transmission mechanism and a valve body trigger structure; the valve body triggering structure comprises a lock cylinder (307) and a lock cylinder pushing mechanism (305);

the gas outlet of the high-pressure gas steel cylinder (2) is communicated with the sealing body starting mechanism (4) through a valve body channel (301), the side wall of the valve body channel (301) is circumferentially provided with a plurality of limiting holes, each limiting hole is internally inserted with a lock column (307), a lock column pushing mechanism (305) is sleeved on the valve body channel (301) and corresponds to the lock column in position, a piston (306) is arranged in the valve body channel (301), a limiting groove is formed in the circumferential direction of the piston (306), and the lock column (307) penetrates through the limiting holes and is clamped in the limiting groove of the piston (306);

the gear transmission mechanism comprises a linkage rod (302) and a transmission gear (304), the linkage rod (302) is hinged with the push rod (102), the push rod (102) moves along the radial direction to drive the linkage rod (302) to swing, and the linkage rod (302) swings to drive the transmission gear (304) to rotate;

the transmission gear (304) rotates to drive the lock cylinder pushing mechanism (305) to rotate, the lock cylinder (307) enters or exits the limiting hole in the rotating process of the lock cylinder pushing mechanism (305), and the piston (306) enters the sealing body starting mechanism (4) when the lock cylinder (307) exits the limiting hole;

the sealing body starting mechanism (4) comprises a shell (401), the shell (401) is cylindrical, and one end of the cylindrical shape is sealed by an explosion-proof film; the other end is connected and communicated with the valve body channel (301); a sealing body puncture structure and a piston rod (405) are further arranged in the shell (401);

the sealing body puncture structure is arranged close to the explosion-proof membrane; the sealing body puncture structure is provided with a sharp prick towards the direction of the explosion-proof membrane;

when the valve body enters a sealed shell of the sealing body starting mechanism (4), the piston rod (405) is pushed to move under the action of high-pressure gas, the piston rod (405) moves to drive the sealing body piercing structure to pierce an explosion-proof membrane of the sealed shell, and the high-pressure gas is sprayed out.

2. The mining automatic explosion suppression device capable of rapidly opening a sealing body according to claim 1, wherein the lock cylinder pushing mechanism (305) comprises a bearing seat (305-1), a bearing (305-2) and a concave-convex groove lock sleeve (305-3);

the bearing seat (305-1) is sleeved on the valve body channel (301), teeth are arranged on the outer surface of the bearing seat (305-1) at equal intervals along the circumferential direction, the teeth outside the bearing seat (305-1) are meshed with the transmission gear (304), the bearing (305-2) and the concave-convex groove lock sleeve (305-3) are sleeved on the valve body channel (301), the outer surfaces of the bearing (305-2) and the concave-convex groove lock sleeve (305-3) are attached to the inner wall of the bearing seat, and a concave-convex part in the concave-convex groove lock sleeve (305-3) corresponds to the lock column (307).

3. The mining automatic explosion suppression device capable of rapidly opening a sealing body according to claim 1, wherein a body of the lock cylinder (307) is in a convex shape, a convex end of the lock cylinder (307) is inserted into or withdrawn from the limiting hole, a U-shaped groove is formed in the end face of the other end of the lock cylinder, a rolling bearing (312) is connected in the U-shaped groove through a pin shaft, and the rolling direction of the rolling bearing (312) is the same as the moving direction of the concave-convex groove lock sleeve.

4. The mining automatic explosion suppression device capable of rapidly opening a sealing body according to claim 1, 2 or 3, further comprising a sealing ring (310), wherein the sealing ring (310) is sleeved on the body of the lock cylinder (307) and used for plugging a limiting hole in the side wall of the valve body channel (301).

5. The mining automatic explosion suppression device capable of rapidly opening sealing body according to claim 4, characterized in that a discharge cavity is further arranged in a shell (401) of the sealing body starting mechanism (4), the discharge cavity comprises three stages of cavities, the three stages of cavities are coaxially connected in sequence, the inner diameters of the three stages of cavities are sequentially reduced, a first stage cavity (402) of the discharge cavity is coaxially connected with a valve body channel (301), the inner diameter of a second stage cavity (403) is equal to the inner diameter of the valve body channel (301), a piston rod (405) is arranged in the third stage cavity (404), one end of the piston rod extends into the second stage cavity (403), one end of the third stage cavity (404) is coaxially connected with a sealing body puncture structure, an air outlet is further formed in the first stage cavity (402) of the discharge cavity, and a sealing rubber plug is arranged on the air outlet.

6. The mining automatic explosion suppression device capable of rapidly opening by using the sealing body according to claim 4, wherein the sealing body puncture structure comprises an axle tube (409), a piston nut (406), a plurality of L-shaped support rods (407) and a steel puncture disc (408);

one end and the tertiary cavity (404) coaxial coupling of emission chamber of central siphon (409), piston rod (406) set up in central siphon (409), and piston rod (405) are connected with the one end of piston rod (406), and it has a plurality of rectangle mouths to open along central siphon (409) circumference, and the one end of a plurality of L type cradling pieces (407) passes respectively the rectangle mouth is connected with the side of piston rod (406), and the other end is connected with thorn dish (408), the thorn on thorn dish (408) is towards the rupture membrane, the other end of central siphon (409) is fixed with end cover (410).

7. The mining automatic explosion suppression device capable of rapidly opening sealing body according to claim 6, further comprising a spraying angle adjusting mechanism (5), wherein the spraying angle adjusting mechanism comprises a sector plate (501), a connecting plate (502), a screw (503), a nut (504), a mounting plate (505) and a shaft sleeve seat (506);

the connecting plate (502) is connected with the end cover (410) through a bolt, one end of the sector plate (501) is installed on the installing plate (505) through a hinge, the screw rod (503) is vertically installed in the center of the installing plate (505) through a shaft sleeve seat (506), the nut (504) is in threaded connection with the screw rod (503), and the screw rod (503) is connected with the sector plate (501) through the connecting plate.

8. The mining automatic explosion suppression device capable of rapidly opening the sealing body according to claim 1, 2, 3 or 5, wherein the trigger mechanism (3) further comprises a speed reducer (303), an input shaft of the speed reducer (303) is in transmission connection with a linkage rod (302), and a transmission gear (304) is sleeved on an output shaft of the speed reducer (303).

9. The mining automatic explosion suppression device capable of rapidly opening sealing body according to claim 6, wherein a magnet (411) is arranged at the tail end of the third-stage cavity (404), and the piston nut (406) is made of metal material.

10. The mining automatic explosion suppression device capable of rapidly opening the sealing body according to claim 1, wherein the trigger mechanism (3) further comprises a pressure gauge (308) and an inflation check valve (309); the air channel is formed in the valve body channel (301), the inflation check valve (309) is arranged on the air channel opening, a pressure gauge (308) is further arranged on the air channel opening, and the pressure gauge (308) is used for collecting inflation pressure.

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