Gas extraction drilling device capable of detecting gas leakage at joint

Abstract

The utility model discloses a gas extraction drilling device capable of detecting gas leakage at a joint, which relates to the technical field of gas extraction drilling and comprises an upper buckle, a connecting plate is fixedly mounted on one side of the upper buckle, two connecting bolts are movably connected to the interiors of the two sides of the connecting plate, a top plate is fixedly mounted in the middle of the top of the upper buckle, and the top plate is movably connected with the top of the upper buckle. An alarm is fixedly installed on one side of the top of the top plate, a pressure gauge is fixedly installed on the other side of the top of the top plate, and a hinge is fixedly installed on one side of the upper buckle. According to the gas extraction drilling device capable of detecting the gas leakage at the connecting position, through movable connection of the insertion plate in the supporting groove, the insertion plate can be taken down, so that sealing blocks of different sizes can be replaced according to conveying pipes of different diameters, and the convenience of the gas extraction drilling device capable of detecting the gas leakage at the connecting position is improved; and secondary sealing can be carried out when gas leaks, so that the problem of gas leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas extraction drilling, in particular to a gas extraction drilling device capable of detecting gas leakage at a connection. Background Art

[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, it is generally chosen to dig tunnels underground to mine coal, which is an underground coal mine. When the coal seam is very close to the surface, it is generally chosen to directly strip the surface soil layer to mine coal.

[0003] The existing Chinese utility model patent with reference announcement number CN210829376U discloses a coal mine gas extraction drilling device, including a frame, a mounting plate, a drill bit, a driving mechanism for driving the drill bit to rotate, and an extraction device. The drill bit is rotatably mounted on the mounting plate, and a driving mechanism for driving the drill bit to rotate is installed on the mounting plate. A rotating shaft is passed through the drill bit, and the rotating shaft is rotatably connected to the drill bit. The top end of the rotating shaft passes through the top of the drill bit and extends above the drill bit. The rotating shaft is located at the drill bit. A plurality of turntables are fixed on the shaft section in the head from top to bottom, a plurality of connecting rods are hinged on the turntable in an annular manner at intervals, a plug is hinged on the other end of the connecting rod, an extraction hole cooperating with the plug is opened on the side wall of the drill bit, at least one of the contact surfaces between the plug and the extraction hole is an inclined surface, the plug is slidably connected to the inner wall of the extraction hole, the interior of the rotating shaft is hollow and the top is open. The present application is provided with a drill bit, a rotating shaft, a turntable, a connecting rod and a plug, the whole process is completely closed, gas leakage will not occur, and the safety of extraction is guaranteed.

[0004] When the existing gas extraction drilling device is in use, gas leakage is likely to occur at the connection, which may easily cause danger. In addition, when gas leakage occurs at the connection of the existing gas extraction drilling device, it is not easy to quickly detect it. Utility Model Content

[0005] The utility model aims to overcome the problem in the prior art that it is inconvenient to detect gas leakage at a connection, and provides a gas extraction drilling device capable of detecting gas leakage at a connection.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A gas extraction drilling device with leak detection at the connection, comprising:

[0008] An upper buckle, the upper buckle is in a "C" shape, a connecting plate is fixedly installed on one side of the upper buckle, two connecting bolts are movably connected inside the two sides of the connecting plate, a top plate is fixedly installed in the middle of the top of the upper buckle, an alarm is fixedly installed on one side of the top of the top plate, and a pressure gauge is fixedly installed on the other side of the top of the top plate, a hinge is fixedly installed on one side of the upper buckle, and a lower buckle is fixedly installed on one side of the hinge, the lower buckle is in a "C" shape, a connecting block is fixedly installed on one side of the lower buckle, two connecting nuts are fixedly installed on both sides of the inside of the connecting block, a bottom plate is fixedly installed in the middle of the top of the lower buckle, an air detector is fixedly installed on one side of the top of the bottom plate, and an alarm device is fixedly installed on the other side of the top of the bottom plate.

[0009] In a preferred embodiment, two support plates are fixedly installed on both sides of the bottom of the upper buckle, and two support plates are fixedly installed on the bottom of the lower buckle at the same time, and the support plates are structures for support.

[0010] In a preferred embodiment, a support groove is fixedly installed at the bottom of the support plate, and the support groove is in a "C" shape. The support groove is a structure for support.

[0011] In a preferred embodiment, an insert plate is movably connected inside the support groove, and two sealing blocks are fixedly installed at the bottom of the insert plate. The sealing blocks are structures for sealing the connection.

[0012] In a preferred embodiment, the interior of the sealing block is movably connected to a delivery pipe, the middle of the delivery pipe is movably connected to a connecting piece, and the connecting piece is a structure for connection.

[0013] In a preferred embodiment, a sealing layer is movably connected in the middle of the connecting piece, a main body of the extraction device is fixedly installed on one side of the delivery pipe, and the delivery pipe is a structure for delivering gas.

[0014] In a preferred embodiment, a connecting pipe is fixedly installed on one side of the extraction device body, and a drill rod is movably connected inside the connecting pipe. The drill rod is a rotating structure used for drilling holes.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The gas extraction drilling device with leak detection at the connection point can be removed through the movable connection of the insert plate inside the support groove, so that sealing blocks of different sizes can be replaced according to conveying pipes of different diameters, which improves the convenience of the gas extraction drilling device with leak detection at the connection point, and can perform secondary sealing when gas leaks, thereby avoiding the problem of gas leakage and improving the safety of the gas extraction drilling device with leak detection at the connection point;

[0017] 2. The gas extraction drilling device with leak detection at the connection can detect the pressure between the upper buckle and the lower buckle through a pressure gauge. Since the upper buckle and the lower buckle are connected, a sealing structure is formed in the middle. When the gas leaks, the internal pressure will increase, thereby increasing the value of the pressure gauge, and then an alarm will be sounded through the alarm. The gas leaking between the upper buckle and the lower buckle can be detected by an air detector, so that the gas leaking from the upper buckle and the lower buckle can be detected, and an alarm will be sounded through the alarm device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the upper buckle in the utility model;

[0020] Figure 3 It is a schematic diagram of the hinge in the utility model;

[0021] Figure 4 This is a bottom view of the support plate in the utility model;

[0022] Figure 5 It is a schematic diagram of the delivery pipe in the utility model.

[0023] 1. Upper buckle; 11. Connecting plate; 12. Connecting bolt; 13. Top plate; 14. Alarm; 15. Pressure gauge; 2. Hinge; 21. Lower buckle; 22. Connecting block; 23. Connecting nut; 24. Bottom plate; 25. Air detector; 26. Alarm device; 3. Support plate; 31. Support groove; 32. Insert plate; 33. Sealing block; 4. Delivery pipe; 41. Connecting piece; 42. Sealing layer; 43. Extraction device body; 44. Connecting pipe; 45. Drill rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Combined with Figure 1-5 In this embodiment, a gas extraction drilling device with leak detection at the connection includes: an upper buckle 1, the upper buckle 1 is in a "C" shape, a connecting plate 11 is fixedly installed on one side of the upper buckle 1, two connecting bolts 12 are movably connected inside the two sides of the connecting plate 11, a top plate 13 is fixedly installed in the middle of the top of the upper buckle 1, an alarm 14 is fixedly installed on one side of the top of the top plate 13, and a pressure gauge 15 is fixedly installed on the other side of the top of the top plate 13.

[0026] Specifically, the top is connected through the upper buckle 1, and the connecting bolt 12 can be connected to the connecting nut 23, so as to fix the upper buckle 1 and the lower buckle 21, the pressure inside the upper buckle 1 can be displayed by the pressure gauge 15, and an alarm can be sounded by the alarm 14.

[0027] A hinge 2 is fixedly installed on one side of the upper buckle 1, a lower buckle 21 is fixedly installed on one side of the hinge 2, the lower buckle 21 is in a "C" shape, a connecting block 22 is fixedly installed on one side of the lower buckle 21, two connecting nuts 23 are fixedly installed on both sides of the inside of the connecting block 22, a bottom plate 24 is fixedly installed in the middle of the top of the lower buckle 21, an air detector 25 is fixedly installed on one side of the top of the bottom plate 24, and an alarm device 26 is fixedly installed on the other side of the top of the bottom plate 24.

[0028] Specifically, by flipping the hinge 2, the lower buckle 21 can be flipped to wrap the delivery pipe 4. The gas inside the lower buckle 21 can be detected by the air detector 25, and an alarm is sounded through the alarm device 26 when gas is detected.

[0029] Two support plates 3 are fixedly mounted on both sides of the bottom of the upper buckle 1 , and two support plates 3 are also fixedly mounted on the bottom of the lower buckle 21 .

[0030] A supporting groove 31 is fixedly installed at the bottom of the supporting plate 3 , and the supporting groove 31 is in a “C” shape.

[0031] An insert plate 32 is movably connected inside the support groove 31 , and two sealing blocks 33 are fixedly mounted on the bottom of the insert plate 32 .

[0032] Specifically, the insert plate 32 is movably connected inside the support groove 31, so that the insert plate 32 can be removed to facilitate replacement of a sealing block 33 of a suitable size. The sealing block 33 is in an "eight" shape and can fit the conveying pipe 4 for sealing.

[0033] The interior of the sealing block 33 is movably connected to the delivery pipe 4 , and the middle of the delivery pipe 4 is movably connected to a connecting piece 41 .

[0034] A sealing layer 42 is movably connected in the middle of the connecting piece 41 , and a main body 43 of the extraction device is fixedly installed on one side of the conveying pipe 4 .

[0035] A connecting pipe 44 is fixedly installed on one side of the extraction device body 43 , and a drill rod 45 is movably connected inside the connecting pipe 44 .

[0036] Specifically, the gas during drilling is transported through the delivery pipe 4 , drilling can be performed through the drill rod 45 , and the outside is sealed through the connecting pipe 44 , so that the gas is sucked in through the extraction device body 43 .

[0037] Working principle: First, the insert plate 32 is movably connected inside the support groove 31, so that the insert plate 32 can be removed, and the sealing block 33 of the appropriate size can be replaced according to the size of the delivery pipe 4. The upper buckle 1 and the lower buckle 21 can be flipped by turning the hinge 2, so that the upper buckle 1 and the lower buckle 21 can wrap the delivery pipe 4, so that the sealing block 33 fits the delivery pipe 4. Since the sealing block 33 is in the shape of an "eight" and is made of flexible rubber material, it can fit the delivery pipe 4 for sealing, and the "eight" structure has a double-layer sealing effect. At the same time, when gas leakage occurs at the connection, secondary sealing can be performed through the upper buckle 1 and the lower buckle 21 on the outside, thereby avoiding the danger of gas leakage into the air, thereby improving the safety and practicality of the gas extraction drilling device with leakage detection at the connection. The two connecting screws on both sides of the inside of the connecting plate 11 The rotation of the bolt 12 causes the two connecting nuts 23 on both sides of the connecting bolt 12 and the connecting block 22 to engage with each other, thereby fixing the upper buckle 1 and the lower buckle 21, improving the sealing performance of the gas extraction drilling device with leak detection at the connection. Due to the sealing of the sealing block 33, a sealed environment is formed between the upper buckle 1 and the lower buckle 21. When a leak occurs at the connection, the pressure inside the upper buckle 1 and the lower buckle 21 increases, thereby increasing the value of the pressure gauge 15, causing the alarm 14 to sound an alarm, so as to issue a prompt. The gas inside the upper buckle 1 and the lower buckle 21 can be detected by the air detector 25. When it is detected that the gas contains gas components, an alarm will be sounded through the alarm device 26, thereby indicating that the leaked gas is gas, thereby improving the practicality and safety effect of the gas extraction drilling device with leak detection at the connection.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas extraction drilling device with leak detection at the connection, characterized in that: The gas extraction drilling device with gas leakage detection at the connection comprises an upper buckle (1), the upper buckle (1) presenting a "C" shape, a connecting plate (11) fixedly mounted on one side of the upper buckle (1), two connecting bolts (12) movably connected inside the two sides of the connecting plate (11), a top plate (13) fixedly mounted in the middle of the top of the upper buckle (1), an alarm (14) fixedly mounted on one side of the top of the top plate (13), a pressure gauge (15) fixedly mounted on the other side of the top of the top plate (13), and a pressure gauge (15) fixedly mounted on one side of the upper buckle (1). A hinge (2) is fixedly installed, a lower buckle (21) is fixedly installed on one side of the hinge (2), the lower buckle (21) is in a "C" shape, a connecting block (22) is fixedly installed on one side of the lower buckle (21), two connecting nuts (23) are fixedly installed on both sides of the inside of the connecting block (22), a bottom plate (24) is fixedly installed in the middle of the top of the lower buckle (21), an air detector (25) is fixedly installed on one side of the top of the bottom plate (24), and an alarm device (26) is fixedly installed on the other side of the top of the bottom plate (24).

2. A gas extraction drilling device with leak detection at the connection according to claim 1, characterized in that: Two support plates (3) are fixedly mounted on both sides of the bottom of the upper buckle (1), and two support plates (3) are also fixedly mounted on the bottom of the lower buckle (21).

3. A gas extraction drilling device with leak detection at the connection according to claim 2, characterized in that: A support groove (31) is fixedly mounted on the bottom of the support plate (3), and the support groove (31) is in a "C" shape.

4. A gas extraction drilling device with leak detection at the connection according to claim 3, characterized in that: An insert plate (32) is movably connected inside the support groove (31), and two sealing blocks (33) are fixedly mounted on the bottom of the insert plate (32).

5. A gas extraction drilling device with leak detection at the connection according to claim 4, characterized in that: The interior of the sealing block (33) is movably connected to a delivery pipe (4), and the middle of the delivery pipe (4) is movably connected to a connecting piece (41).

6. A gas extraction drilling device with leak detection at the connection according to claim 5, characterized in that: A sealing layer (42) is movably connected in the middle of the connecting piece (41), and a pumping device body (43) is fixedly mounted on one side of the conveying pipe (4).

7. A gas extraction drilling device with leak detection at the connection according to claim 6, characterized in that: A connecting pipe (44) is fixedly mounted on one side of the extraction device body (43), and a drill rod (45) is movably connected inside the connecting pipe (44).

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