Orifice protection device for gas drilling construction

By designing a protective device for the borehole of gas drilling operations, and utilizing components such as outer gaskets, inner gaskets, and pressure gauges, the problem of gas leakage was solved, and the safety and reliability of gas drilling operations were achieved.

CN223724668UActive Publication Date: 2025-12-26ZHENG HONG (HENAN) MASCH MFG CO LTD
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Patent Information

Application Number
CN202520587076.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-12-26
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing gas drilling equipment is prone to gas leakage from rock fissures during construction, leading to increased gas concentration in the mine and endangering the safety of workers.

Method used

A protective device for gas drilling boreholes was designed, including a protective device and a base. It uses components such as an outer gasket, an inner gasket, a threaded structure, and a pressure gauge to prevent gas leakage through sealing and pressure measurement, and discharges dust and gas through a dedicated exhaust port.

Benefits of technology

Effectively prevents gas leaks, ensures that the gas concentration in the mine does not rise, protects the safety of workers, and monitors the gas pressure in real time through pressure gauges to detect leaks in a timely manner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drilling construction, in particular to a gas drilling construction orifice protection device which comprises a protection device body and a base, the front end of a first shell in the protection device body is connected with an outer-layer gasket through a bolt, and the inner side of the outer-layer gasket is connected with an inner-layer gasket through a bolt. A first base plate is welded to the inner side of the rear end of a first shell in the protection device, a first mud blocking pad is placed in the hollow position in the first base plate, a threaded rod is rotationally connected to the threaded hollow position of the inner side of the first base plate in the protection device, and the outer side of a threaded structure in the protection device is in threaded connection with a threaded groove in the base. According to the utility model, the inner part of the first shell can be in a sealed state by inserting the outer-layer gasket and the inner-layer gasket into a wall, so that gas cannot be leaked when discharged, and the first shell can be connected with the second shell by connecting the thread structure with the thread groove; air pressure in the first shell and the second shell can be measured through the first pressure measuring meter and the second pressure measuring meter.
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Description

TECHNICAL FIELD

[0001] The utility model relates to borehole construction technical field, concretely is a gas borehole construction orifice protection device. BACKGROUND

[0002] Mine gas refers to the total name of the poisonous and harmful gas of methane in the mine, sometimes refers to methane alone. Gas is lighter than air, easy to diffuse, strong permeability, easy to pass through the rock from the adjacent layer by goaf. Gas itself is non-toxic, but cannot be inhaled by people, when the gas concentration in the mine air is more than 50%, people can suffocate and die due to oxygen deficiency. Gas can burn or explode, gas explosion is one of the main disasters in coal mine, there are many cases of personnel casualty and serious damage to production due to gas explosion at home and abroad. Therefore, effective preventive measures must be taken to avoid gas explosion accidents and ensure safety in production.

[0003] However, the existing gas drilling construction device is easy to leak out from the rock crevice when drilling construction is carried out, so that the gas leaks in the mine, and if the workers inhale these gases, gas poisoning will cause certain danger.

[0004] Therefore, in order to solve the above problems, a gas drilling construction orifice protection device is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a gas drilling construction orifice protection device to solve the problem that the existing gas drilling construction device in the prior art mentioned in the background technology is easy to leak out from the rock crevice when drilling construction is carried out, so that the gas leaks in the mine, and if the workers inhale these gases, gas poisoning will cause certain danger.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a gas drilling construction orifice protection device, comprising: a protection device and a base;

[0007] The first shell front end of the protection device is connected with the outer gasket by bolts, the inner side of the outer gasket is connected with the inner gasket by bolts, the inner side of the rear end of the first shell in the protection device is welded with the first gasket plate, the first gasket plate is hollow inside and the first mud blocking gasket is placed in the hollow part, the first gasket plate in the protection device is rotatably connected with the threaded rod in the threaded hollow part, the threaded structure outside the protection device is threadedly connected with the threaded groove in the base, the rear end of the threaded groove is welded with the second gasket plate, the rear end of the second gasket plate is welded with the second gasket plate, and the inner side of the second gasket plate is threadedly connected with the second mud blocking gasket.

[0008] Preferably, the first shell of the protection device is welded with a conical support at the front end, the outer layer gasket is connected with the inner layer gasket at the front end by bolts, and the inner layer gasket is connected with the inner layer gasket by bolts.

[0009] Preferably, the first shell is hollowed into a lower end discharge port at the lower end, is hollowed into a side edge discharge port at one side, and is connected with a first pressure gauge at the upper end by bolts.

[0010] Preferably, the first shell is welded with a threaded structure at the rear end, the first shell is welded with a first backing plate at the inner side of the rear end, the first backing plate is hollowed into a threaded hole at the inner side, and the first backing plate is placed with a first mud blocking pad in the hollow part.

[0011] Preferably, the first backing plate is connected with a threaded rod at the inner side by threads, the threaded rod is welded with a gasket at the front end, and the gasket is welded with a drill bit at the front end.

[0012] Preferably, the second shell of the base is welded with a second backing plate at the inner side of the rear end, and the second backing plate is placed with a second mud blocking pad in the hollow part.

[0013] Preferably, the second shell is connected with a second pressure gauge at the upper end by bolts, and is welded with a threaded groove at the front end.

[0014] Compared with the prior art, the utility model has the advantages that: the first shell is in a sealed state by inserting the outer layer gasket and the inner layer gasket into the wall, so that the gas gas is not leaked when discharged, the first shell and the second shell are connected by the threaded structure and the threaded groove, and the air pressure in the first shell and the second shell is measured by the first pressure gauge and the second pressure gauge.

[0015] 1. The utility model discloses a first shell, conical support, outer layer gasket, inner layer gasket, lower end discharge port, side edge discharge port, first pressure gauge, threaded structure, first backing plate, first mud blocking pad, threaded rod, gasket and drill bit are set up, the conical support of first shell front end can be connected with outer layer gasket and inner layer gasket, the first shell front end is blocked by outer layer gasket and inner layer gasket, so that the first shell does not easily leak gas when working, the dust drilled is discharged by lower end discharge port, the gas gas is discharged by side edge discharge port, the air pressure in the first shell is measured by pressure gauge, the threaded structure can be connected with threaded groove by rotating, the first backing plate inner side threaded hollow can be connected with threaded rod by rotating, the first mud blocking pad is placed in the hollow part of the first gasket, which can prevent the gas in the first shell from leaking and prevent the soil in the first shell from flowing out, the threaded rod can be connected in the first backing plate inner side by rotating, and the gasket can prevent the drill bit from falling off from the first backing plate inner side.

[0016] 2. The utility model discloses a second shell, second backing plate, second mud blocking pad, second pressure gauge and thread groove are set up, can rotate the threaded rod by the second backing plate of welding second shell rear end inside, the second mud blocking pad is used to make second layer protection so that the gas gas does not easily leak out, the second pressure gauge is used to measure the air pressure in the second shell inside and is convenient for staff to detect whether the gas leaks, and the thread groove is used to be connected with the threaded structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure of the utility model's front view section schematic diagram;

[0018] Figure 2 It is the structure of the utility model's front view section schematic diagram;

[0019] Figure 3 It is the structure of the utility model's front view schematic diagram;

[0020] Figure 4 It is the structure of the utility model's plan schematic diagram.

[0021] In the drawing: 1, protection device;101, first shell;102, conical support;103, outer gasket;104, inner gasket;105, lower end discharge port;106, side discharge port;107, first pressure gauge;108, threaded structure;109, first backing plate;110, first mud blocking pad;111, threaded rod;112, gasket;113, drill bit;2, base;201, second shell;202, second backing plate;203, second mud blocking pad;204, second pressure gauge;205, thread groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment:

[0024] A gas drilling construction hole mouth protection device, comprising: protection device 1 and base 2;

[0025] The first shell 101 in the protective device 1 is bolted to the outer gasket 103 at the front end, the inner gasket 104 is bolted to the inner side of the outer gasket 103, the first gasket plate 109 is welded to the inner side of the rear end of the first shell 101 in the protective device 1, the first mud blocking gasket 110 is placed in the hollow part of the first gasket plate 109, the threaded rod 111 is rotatably connected to the threaded hollow part of the inner side of the first gasket plate 109 in the protective device 1, the threaded structure 108 in the protective device 1 is threadedly connected to the threaded groove 205 in the base 2, the second gasket plate 202 is welded to the rear end of the threaded groove 205, the second gasket plate 202 is welded to the rear end of the second gasket plate 202, and the second mud blocking gasket 203 is threadedly connected to the inner side of the second gasket plate 202.

[0026] Further, the conical support 102 is welded to the front end of the first shell 101 in the protective device 1, the outer gasket 103 is bolted to the front end of the conical support 102, the inner gasket 104 is bolted to the inner side of the outer gasket 103, and the conical support 102 welded to the front end of the first shell 101 is used to connect the outer gasket 103 and the inner gasket 104, and the outer gasket 103 and the inner gasket 104 are used to block the front end of the first shell 101 so that the first shell 101 does not easily leak gas when working.

[0027] Further, the lower end of the first shell 101 is hollowed into a lower end discharge port 105, one side of the first shell 101 is hollowed into a side discharge port 106, and the first pressure gauge 107 is bolted to the upper end of the first shell 101, the lower end discharge port 105 is used to discharge the dust drilled out, the side discharge port 106 is used to discharge the gas, and the pressure gauge 107 is used to measure the pressure in the first shell 101.

[0028] Further, the threaded structure 108 is welded to the rear end of the first shell 101, the first gasket plate 109 is welded to the inner side of the rear end of the first shell 101, the first gasket plate 109 is threadedly hollowed on the inner side, the first mud blocking gasket 110 is placed in the hollow part of the first gasket plate 109, the threaded structure 108 is used to rotatably connect the threaded groove 205, the first gasket plate 109 is threadedly hollowed on the inner side to rotatably connect the threaded rod 111, and the first mud blocking gasket 110 placed in the hollow part of the first gasket plate 109 is used to prevent the gas in the first shell 101 from leaking and the soil in the first shell 101 from flowing out.

[0029] Further, the first gasket plate 109 is threadedly connected to the threaded rod 111, the gasket 112 is welded to the front end of the threaded rod 111, and the drill bit 113 is welded to the front end of the gasket 112, the threaded rod 111 is used to be rotatably connected to the inner side of the first gasket plate 109, and the gasket 112 is used to prevent the drill bit 113 from falling off from the inner side of the first gasket plate 109.

[0030] Further, the second pad plate 202 is welded to the rear end of the second shell 201 in the base 2, and the second mud blocking pad 203 is placed in the hollow of the inner side of the second pad plate 202, and the second pad plate 202 welded to the rear end of the second shell 201 is used to rotate the threaded rod 111, and the second mud blocking pad 203 is used to make the second layer of protection so that the gas is not easily leaked out.

[0031] Further, the second pressure gauge 204 is bolted to the upper end of the second shell 201, and the threaded groove 205 is welded to the front end of the second shell 201, and the second pressure gauge 204 is used to measure the gas pressure in the second shell 201 to facilitate the staff to detect whether the gas is leaked, and the threaded groove 205 is used to be connected with the threaded structure 108.

[0032] Working principle: when used, the outer gasket 103 and the inner gasket 104 are inserted into the wall to be drilled, the threaded rod 111 is rotated by rotating the first pad plate 109 and the second pad plate 202, so that the threaded rod 111 rotates the drill bit 113, the drill bit 113 drills the wall, so that the gas and the dust drilled by the drill bit 113 are discharged from the gap into the first shell 101, the dust drilled is collected by the lower end discharge port 105 and discharged, the gas is discharged by the side discharge port 106, the threaded groove 205 is rotated and connected with the threaded structure 108 to further prevent the gas from leaking, the first pressure gauge 107 at the upper end of the first shell 101 is used to measure the gas pressure in the first shell 101, and when the gas pressure in the first shell 101 is stable, the work is carried out, and the second pressure gauge 204 is used to detect the gas pressure in the second shell 201 to facilitate the staff to check whether the gas is leaked.

[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolution made by the skilled in the art without departing from the technical scheme of the present application are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A gas drilling construction portal guard device, comprising: The protection device (1) and the base (2); The first shell (101) in the protection device (1) is bolted with an outer gasket (103) at the front end, the inner side of the outer gasket (103) is bolted with an inner gasket (104), the inner side of the first shell (101) in the protection device (1) is welded with a first pad plate (109) at the rear end, the first pad plate (109) is internally hollow to place a first mud blocking pad (110), the inner side of the first pad plate (109) in the protection device (1) is threadedly connected with a threaded rod (111), the outer side of the threaded structure (108) in the protection device (1) is threadedly connected with a threaded groove (205) in the base (2), the rear end of the threaded groove (205) is welded with a second pad plate (202), the rear end of the second pad plate (202) is welded with a second pad plate (202), and the inner side of the second pad plate (202) is threadedly connected with a second mud blocking pad (203).

2. A gas drilling borehole portal protection device according to claim 1, characterised in that: The first shell (101) in the protection device (1) is welded with a conical support (102) at the front end, the conical support (102) is bolted with an outer gasket (103) at the front end, and the inner side of the outer gasket (103) is bolted with an inner gasket (104).

3. A gas drilling borehole portal protection device according to claim 2, characterised in that: The lower end of the first shell (101) is hollowed into a lower end discharge port (105), one side of the first shell (101) is hollowed into a side edge discharge port (106), and the upper end of the first shell (101) is bolted with a first pressure gauge (107).

4. A gas drilling borehole portal protection device according to claim 3, characterised in that: The rear end of the first shell (101) is welded with a threaded structure (108), the inner side of the rear end of the first shell (101) is welded with a first pad plate (109), and the inner side of the first pad plate (109) is threadedly hollow.

5. A gas drilling borehole portal protection device according to claim 4, characterised in that: The inner side of the first pad plate (109) is threadedly connected with a threaded rod (111), the front end of the threaded rod (111) is welded with a gasket (112), and the front end of the gasket (112) is welded with a drill bit (113).

6. A gas drilling borehole portal protection device according to claim 1, characterised in that: The inner side of the second pad plate (202) is hollow to place a second mud blocking pad (203).

7. A gas drilling borehole portal protection device according to claim 6, characterised in that: The upper end of the second shell (201) is bolted with a second pressure gauge (204), and the front end of the second shell (201) is welded with a threaded groove (205).