CN220451827U - Mining safety device that prevents orifice that drills - Google Patents

Mining safety device that prevents orifice that drills Download PDF

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Publication number
CN220451827U
CN220451827U CN202321334190.1U CN202321334190U CN220451827U CN 220451827 U CN220451827 U CN 220451827U CN 202321334190 U CN202321334190 U CN 202321334190U CN 220451827 U CN220451827 U CN 220451827U
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China
Prior art keywords
drilling
safety device
barrel
overflow plate
mining
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CN202321334190.1U
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Chinese (zh)
Inventor
张运海
吴义泉
李�根
杨森
吴建臣
倪克
吴兵克
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Sanzheng Group Co ltd
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Sanzheng Group Co ltd
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Priority to CN202321334190.1U priority Critical patent/CN220451827U/en
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Publication of CN220451827U publication Critical patent/CN220451827U/en
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Abstract

The utility model relates to the technical field of mining safety devices, in particular to a mining drilling anti-spraying hole safety device which comprises a mounting plate, wherein the mounting plate is fixedly arranged on the outer ground, a protection barrel is arranged at the middle position of the upper end of the mounting plate, a rotating shaft is slidably arranged in the protection barrel, a drill bit is arranged at the lower end of the rotating shaft, a communicating pipe is arranged at one side of the protection barrel, a suction pump is fixedly arranged at the other end of the communicating pipe, an overflow plate is slidably arranged in the protection barrel, the overflow plate is positioned above one end of the communicating pipe, diversion holes are formed in a circumferential array around the protection barrel, the diversion holes are positioned above the overflow plate, mud water in a drilling hole can be pumped out through the suction pump, so that the pressure in the drilling hole is reduced, the occurrence of the spraying hole is reduced, the pressure can push the overflow plate upwards when the suction pump cannot completely reduce the pressure in the drilling hole, the pressure can be discharged through the diversion holes, and the influence on surrounding devices caused by upward spraying is avoided.

Description

Mining safety device that prevents orifice that drills
Technical Field
The utility model relates to a mining drilling anti-spraying hole safety device, and belongs to the technical field of mining safety devices.
Background
The coal mine is an area for mining coal resources in a mining area rich in coal, is generally divided into an underground coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is generally selected to be mined into coal by directly stripping off an earth surface layer when the coal seam is very close to the ground surface, the open pit coal mine is the vast majority of coal mines in China, the coal mine range comprises the ground underground and a large area of related facilities, the mining area is required to be drilled and detected before mining is carried out, so that the content of coal and methane in the coal mine is judged, however, in the drilling process, the cavity is encountered, the drilling is caused to be sprayed, so that surrounding devices are influenced, and the drilling is influenced to a certain extent when being sprayed, so that the subsequent mining is influenced.
The present utility model has been made in view of this.
Disclosure of Invention
The utility model aims to solve the problems and provide a mining drilling anti-spraying hole safety device which has the advantages of preventing spraying holes and improving drilling efficiency, and can pump muddy water in a drilling hole through a suction pump so as to reduce the pressure in the drilling hole and reduce the occurrence of spraying holes, and when the suction pump cannot completely reduce the pressure in the drilling hole, the pressure can push an overflow plate upwards so as to be discharged through a diversion hole, thereby avoiding the influence of upward spraying on surrounding devices.
The utility model realizes the purpose through the following technical scheme that the mining drilling anti-spraying hole safety device comprises a mounting plate, wherein the mounting plate is fixedly mounted on the external ground, a protection barrel is mounted at the middle position of the upper end of the mounting plate, a rotating shaft is slidably mounted in the protection barrel, a drill bit is mounted at the lower end of the rotating shaft, a communicating pipe is mounted at one side of the protection barrel, a suction pump is fixedly mounted at the other end of the communicating pipe, an overflow plate is slidably mounted in the protection barrel, the overflow plate is positioned above one end of the communicating pipe, diversion holes are formed in the circumferential array around the protection barrel, the diversion holes are positioned above the overflow plate, when the mining drilling anti-spraying hole safety device is used, the mounting plate and the protection barrel are firstly drilled through the rotating shaft and the drill bit, after drilling a certain depth, then the drilling is continuously performed, the suction pump can pump out mud water and gas in the drilling through the communicating pipe, so that the pressure in the drilling is reduced, and when the drilling occurs, the overflow plate can simultaneously perform buffering and spraying the mud water and the surrounding of the spraying hole is prevented.
Furthermore, in order to install the utility model at a use place, four corners of the upper end of the mounting plate are provided with mounting holes, expansion bolts are arranged in the mounting holes, the lower ends of the expansion bolts are fixedly connected with the external ground, fixing bolts are arranged on two sides of the lower end of the protective barrel, the lower ends of the fixing bolts extend into the mounting plate, and the fixing bolts are in threaded connection with the mounting plate.
Further, in order to ensure the advancing direction of the drill bit, a guide cylinder is fixedly arranged in the middle position inside the protection barrel, the rotating shaft is slidably arranged in the guide cylinder, and the overflow plate is slidably arranged on the guide cylinder.
Furthermore, in order to pump out the muddy water generated by the drilling hole, thereby reducing the pressure in the drilling hole, a stop valve is arranged on the communicating pipe, and a liquid outlet pipe is fixedly arranged at the output end of the suction pump.
Further, in order to buffer muddy water when the spray hole occurs, the spraying direction is changed simultaneously, a guide rod is fixedly installed at the circumference array at the upper end of the inside of the protection barrel, the overflow plate is in sliding clamping connection with the guide rod, sealing rings are fixedly installed at the contact positions of the overflow plate and the protection barrel and the guide rod, the sealing rings are in tight contact with the protection barrel and the guide rod, springs are uniformly and fixedly installed at the upper end of the overflow plate, the springs are located around the guide rod, and the other ends of the springs are fixedly connected with the upper end of the inside of the protection barrel.
The utility model has the technical effects and advantages that: the mud water in the drilling hole can be pumped out through the suction pump, so that the pressure in the drilling hole is reduced, the occurrence of spray holes is reduced, and when the suction pump cannot completely reduce the pressure in the drilling hole, the pressure can push the overflow plate upwards, so that the mud water can be discharged through the diversion holes, and the influence of upward injection on surrounding devices is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a half cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a half cross-sectional view of the shield cask of the present utility model;
FIG. 4 is a half cross-sectional view of an overflow plate of the present utility model;
in the figure: 1. a mounting plate; 2. a protective barrel; 3. a rotating shaft; 4. a drill bit; 5. a communicating pipe; 6. a suction pump; 7. an overflow plate; 8. a deflector aperture; 9. a mounting hole; 10. an expansion bolt; 11. a fixing bolt; 12. a guide cylinder; 13. a stop valve; 14. a liquid outlet pipe; 15. a guide rod; 16. a seal ring; 17. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a safety device for drilling anti-spraying holes for mines comprises a mounting plate 1, wherein the mounting plate 1 is fixedly mounted on the external ground, a protective barrel 2 is mounted at the middle position of the upper end of the mounting plate 1, a rotating shaft 3 is slidably mounted in the protective barrel 2, a drill bit 4 is mounted at the lower end of the rotating shaft 3, a communicating pipe 5 is mounted at one side of the protective barrel 2, a suction pump 6 is fixedly mounted at the other end of the communicating pipe 5, an overflow plate 7 is slidably mounted in the protective barrel 2, the overflow plate 7 is positioned above one end of the communicating pipe 5, diversion holes 8 are formed in a circumferential array of the protective barrel 2, the diversion holes 8 are positioned above the overflow plate 7, when the safety device is used, drilling is firstly carried out through the rotating shaft 3 and the drill bit 4, after drilling a certain depth, the mounting plate 1 and the protective barrel 2 are placed above the drilling holes, then drilling is continued, and when drilling is carried out, the suction pump 6 can pump out through the communicating pipe 5 to pump out muddy water and gas in the drilling holes, thereby reducing the pressure in the drilling holes, preventing spraying holes, and when spraying holes, the overflow plate 7 can be used for buffering and simultaneously changing spraying angles when spraying holes, and preventing the influence on the surrounding device caused by gas.
As a technical optimization scheme of the utility model, as shown in fig. 2, mounting holes 9 are formed in four corners of the upper end of a mounting plate 1, expansion bolts 10 are arranged in the mounting holes 9, the lower ends of the expansion bolts 10 are fixedly connected with the external ground, fixing bolts 11 are arranged on two sides of the lower end of a protective barrel 2, the lower ends of the fixing bolts 11 extend into the mounting plate 1, the fixing bolts 11 are in threaded connection with the mounting plate 1, and when the protective barrel 2 is used, the protective barrel 2 is mounted on the mounting plate 1 through the fixing bolts 11.
As a technical optimization scheme of the present utility model, as shown in fig. 2, a guide cylinder 12 is fixedly installed at an inner middle position of a protective barrel 2, a rotating shaft 3 is slidably installed in the guide cylinder 12, an overflow plate 7 is slidably installed on the guide cylinder 12, a drill bit 4 is installed at a lower end of the rotating shaft 3, then the rotating shaft 3 is installed on an external drilling device, a certain depth is drilled through the drill bit 4, then the rotating shaft 3 is removed from the external drilling device, a mounting plate 1 and the protective barrel 2 are installed around the rotating shaft 3, and are fixed through expansion bolts 10, and at the moment, the angle of drilling can be fixed by the guide cylinder 12.
As a technical optimization scheme of the utility model, as shown in fig. 3, a stop valve 13 is installed on a communicating pipe 5, a liquid outlet pipe 14 is fixedly installed at the output end of a suction pump 6, a guide rod 15 is fixedly installed at the circumferential array at the upper end of the interior of a protection barrel 2, an overflow plate 7 is slidably clamped on the guide rod 15, sealing rings 16 are fixedly installed at the contact positions of the overflow plate 7, the protection barrel 2 and the guide rod 15, the sealing rings 16 are tightly contacted with the protection barrel 2 and the guide rod 15, springs 17 are uniformly and fixedly installed at the upper end of the overflow plate 7, the springs 17 are positioned around the guide rod 15, the other ends of the springs 17 are fixedly connected with the upper end of the interior of the protection barrel 2, when the suction pump 6 is used, muddy water and gas in a drilling hole can be pumped out through the communicating pipe 5, the injection hole is prevented from being caused by overlarge pressure in the drilling hole, when the pressure is overlarge, the muddy water and the gas can push the overflow plate 7 to move upwards, the springs 17 can be buffered, and the pressure can be relieved through the guide hole 8, and the upward injection can be prevented from affecting surrounding devices.
When the utility model is used, the protective barrel 2 is firstly arranged on the mounting plate 1 through the fixing bolt 11, the drill bit 4 is arranged at the lower end of the rotating shaft 3, then the rotating shaft 3 is arranged on an external drilling device, the drill bit 4 drills a certain depth, then the rotating shaft 3 is taken off from the external drilling device, the mounting plate 1 and the protective barrel 2 are arranged around the rotating shaft 3 and are fixed through the expansion bolt 10, at the moment, the drilling angle can be fixed by the guide barrel 12, the suction pump 6 is opened, the suction pump 6 can pump out mud water and gas in the drill hole through the communicating pipe 5, the pressure in the drill hole is prevented from being excessively increased, when the pressure is excessively increased, the mud water and the gas can push the overflow plate 7 to move upwards, the spring 17 can buffer the pressure, the pressure can be released through the guide hole 8, and the influence of upward injection on surrounding devices is prevented.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a mining safety device that prevents orifice that drills, includes mounting panel (1), its characterized in that: the utility model discloses a novel water treatment device for a water treatment device, including mounting panel (1), guard barrel (2) are installed to mounting panel (1) upper end intermediate position, slidable mounting has pivot (3) in guard barrel (2), drill bit (4) are installed to the lower extreme of pivot (3), communicating pipe (5) are installed to one side of guard barrel (2), the other end fixed mounting of communicating pipe (5) has suction pump (6), slidable mounting has overflow plate (7) in guard barrel (2), overflow plate (7) are located the top of communicating pipe (5) one end, water conservancy diversion hole (8) have been seted up to the circumference array around guard barrel (2), water conservancy diversion hole (8) are located the top of overflow plate (7).
2. The mining drilling and blowout prevention hole safety device according to claim 1, wherein: mounting holes (9) are formed in four corners of the upper end of the mounting plate (1), expansion bolts (10) are arranged in the mounting holes (9), and the lower ends of the expansion bolts (10) are fixedly connected with the external ground.
3. The mining drilling and blowout prevention hole safety device according to claim 1, wherein: fixing bolts (11) are arranged on two sides of the lower end of the protection barrel (2), the lower ends of the fixing bolts (11) extend to the inside of the mounting plate (1), and the fixing bolts (11) are in threaded connection with the mounting plate (1).
4. The mining drilling and blowout prevention hole safety device according to claim 1, wherein: the protection barrel (2) is fixedly provided with a guide cylinder (12) at the middle position inside, the rotating shaft (3) is slidably arranged in the guide cylinder (12), and the overflow plate (7) is slidably arranged on the guide cylinder (12).
5. The mining drilling and blowout prevention hole safety device according to claim 1, wherein: a stop valve (13) is arranged on the communicating pipe (5), and a liquid outlet pipe (14) is fixedly arranged at the output end of the suction pump (6).
6. The mining drilling and blowout prevention hole safety device according to claim 1, wherein: the inner upper end circumference array of the protection barrel (2) is fixedly provided with a guide rod (15), and the overflow plate (7) is in sliding clamping connection with the guide rod (15).
7. The mining safety device for drilling and preventing jet holes according to claim 6, wherein: the overflow plate (7) is fixedly provided with a sealing ring (16) at the contact position of the protection barrel (2) and the guide rod (15), and the sealing ring (16) is tightly contacted with the protection barrel (2) and the guide rod (15).
8. The mining safety device for drilling and preventing jet holes according to claim 7, wherein: the upper end of the overflow plate (7) is uniformly and fixedly provided with springs (17), the springs (17) are positioned around the guide rods (15), and the other ends of the springs (17) are fixedly connected with the upper end of the inside of the protection barrel (2).
CN202321334190.1U 2023-05-30 2023-05-30 Mining safety device that prevents orifice that drills Active CN220451827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321334190.1U CN220451827U (en) 2023-05-30 2023-05-30 Mining safety device that prevents orifice that drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321334190.1U CN220451827U (en) 2023-05-30 2023-05-30 Mining safety device that prevents orifice that drills

Publications (1)

Publication Number Publication Date
CN220451827U true CN220451827U (en) 2024-02-06

Family

ID=89728247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321334190.1U Active CN220451827U (en) 2023-05-30 2023-05-30 Mining safety device that prevents orifice that drills

Country Status (1)

Country Link
CN (1) CN220451827U (en)

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