Safe gas extraction device

Abstract

The utility model discloses a safe gas extraction device, which relates to the technical field of gas extraction and comprises a support frame and a lifting plate, the lifting plate is movably mounted on the inner side of the support frame, two hydraulic cylinders are mounted at the top of the support frame, a drilling mechanism is mounted at the top of the lifting plate, a connecting component is mounted at the bottom of the lifting plate, and the hydraulic cylinders are mounted on the connecting component. The drilling and production mechanism comprises a fixing box, the fixing box is fixedly installed at the top of the lifting plate, a motor is installed on the front portion of the fixing box, a rotating shaft is movably installed at the bottom of the fixing box in a penetrating mode, a pipe groove is formed in the rotating shaft, and conical teeth are installed at the top of the rotating shaft and the rear end of an output shaft of the motor correspondingly. An extraction pipe is inserted into the pipe groove in a penetrating mode, and the top end of the extraction pipe is connected with an air extracting pump; and drilling of different depths is facilitated, extraction can be carried out while drilling is carried out, protection of an extraction pipe is improved, meanwhile, the multiple extension rods are convenient to install and fix, and the drilling depth is convenient to extend.

Description

Technical Field

[0001] The utility model relates to the technical field of gas extraction, and in particular to a safe gas extraction device. Background Art

[0002] Gas is an explosive gas whose main component is methane. It is the main component of natural energy such as coal mines, natural gas and biogas. When mining coal, gas accumulates in the mine, which is easy to cause gas explosion. Therefore, it needs to be extracted and recovered. This solution specifically involves a gas safety extraction device;

[0003] When the existing safe gas extraction device is in use, due to the different gas accumulation positions, it is convenient to drill holes of different depths during extraction. The extraction pipe is easily worn when directly inserted into the borehole. When deeper extraction is required, it is inconvenient to extend the length of the drill rod. Utility Model Content

[0004] The main purpose of the utility model is to provide a gas safety extraction device, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A safe gas extraction device comprises a support frame and a lifting plate, wherein the lifting plate is movably mounted on the inner side of the support frame, two hydraulic cylinders are mounted on the top of the support frame, a drilling mechanism is mounted on the top of the lifting plate, a connecting assembly is mounted on the bottom of the lifting plate, the drilling mechanism comprises a fixed box, the fixed box is fixedly mounted on the top of the lifting plate, a motor is mounted on the front of the fixed box, a rotating shaft is movably mounted through the bottom of the fixed box, a pipe groove is provided inside the rotating shaft, bevel gears are mounted on the top of the rotating shaft and the rear end of the output shaft of the motor, an extraction pipe is inserted into the pipe groove, and a vacuum pump is mounted on the top of the extraction pipe.

[0007] As a further solution of the utility model, the lifting plate is arranged to slide up and down on the inner side of the support frame through two hydraulic cylinders, and the two bevel teeth are arranged in meshing connection.

[0008] As a further solution of the utility model, the rotating shaft is located at the bottom of the fixed box and is rotatably arranged, and the extraction pipe passes through the top of the support frame and is slidably arranged.

[0009] As a further solution of the utility model, the vacuum pump is installed at the rear part of the support frame near the top, and the extraction pipes are located in the pipe groove and are matched with each other.

[0010] As a further solution of the utility model, the connecting assembly includes an extension rod and a clamping shaft, which is fixedly installed at the bottom of the rotating shaft. The same pipe groove is opened inside the extension rod and the clamping shaft. The same clamping shaft is installed on the bottom end of the extension rod. Two groups of screw holes are opened on the periphery of the clamping shaft. An axis groove is opened on the top of the extension rod. Two groups of limit grooves are opened on the periphery of the extension rod near the top. A positioning bolt is connected to the inside of the limit groove and the screw hole.

[0011] As a further solution of the utility model, the cross-sections of the clamping shaft and the shaft groove are hexagonal, and the clamping shaft and the shaft groove are clamped together.

[0012] As a further solution of the utility model, the nut of the positioning bolt is located in the limiting groove and is matched with each other, and the inner end of the positioning bolt is threadedly connected to the screw hole.

[0013] The beneficial effects of the utility model are as follows:

[0014] By setting up a drilling mechanism, the hydraulic cylinder drives the lifting plate to slide up and down, and through the meshing of the bevel gears, the motor output shaft drives the rotating shaft to rotate, and then drives the drill rod to rotate, which is convenient for drilling holes of different depths. By inserting the extraction pipe into the pipe groove, extraction can be carried out while drilling holes, reducing the steps of removing the drill rod. The extraction pipe is located in the pipe groove, which improves the protection of the extraction pipe and reduces the friction of the outer wall of the extraction pipe.

[0015] By setting up a connecting component, the extension rod is installed between the drill rod and the rotating shaft, and is fixed by the clamping connection between the clamping shaft and the shaft groove and the connection of the positioning bolt, so that the rotating shaft can drive the extension rod to rotate, which is convenient for the installation and fixation of multiple extension rods and the extension of the drilling depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a gas safety extraction device of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a drilling mechanism in a gas safety extraction device of the utility model;

[0018] Figure 3 The utility model is a schematic diagram of the internal structure of a connecting component in a gas safety extraction device.

[0019] In the figure: 1. support frame; 2. lifting plate; 3. hydraulic cylinder; 4. drilling mechanism; 5. connecting assembly; 6. fixing box; 7. motor; 8. rotating shaft; 9. pipe groove; 10. bevel gear; 11. extraction pipe; 12. vacuum pump; 13. extension rod; 14. clamping shaft; 15. screw hole; 16. shaft groove; 17. limit groove; 18. positioning bolt. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-3 As shown, a gas safety extraction device includes a support frame 1 and a lifting plate 2, the lifting plate 2 is movably installed on the inner side of the support frame 1, two hydraulic cylinders 3 are installed on the top of the support frame 1, a drilling mechanism 4 is installed on the top of the lifting plate 2, and a connecting component 5 is installed on the bottom of the lifting plate 2. The drilling mechanism 4 includes a fixed box 6, the fixed box 6 is fixedly installed on the top of the lifting plate 2, a motor 7 is installed on the front of the fixed box 6, a rotating shaft 8 is movably installed through the bottom of the fixed box 6, a pipe groove 9 is opened inside the rotating shaft 8, bevel gears 10 are installed on the top of the rotating shaft 8 and the rear end of the output shaft of the motor 7, an extraction pipe 11 is inserted into the pipe groove 9, and a vacuum pump 12 is installed on the top of the extraction pipe 11.

[0022] In this embodiment, the lifting plate 2 is located inside the support frame 1 through two hydraulic cylinders 3 and is slidable up and down. The two bevel teeth 10 are meshed and connected. Through the meshing of the bevel teeth 10, the motor 7 drives the rotating shaft 8 to rotate.

[0023] In this embodiment, the rotating shaft 8 is located at the bottom of the fixed box 6 and is rotatably arranged. The extraction pipe 11 passes through the top of the support frame 1 and is slidably arranged. The rotating shaft 8 drives the drill rod to rotate, and the lifting plate 2 is driven to rise and fall by the hydraulic cylinder 3 to perform drilling at different depths, and gas is extracted through the extraction pipe 11.

[0024] In this embodiment, the vacuum pump 12 is installed at the rear end of the support frame 1 near the top, and the extraction pipe 11 is located in the pipe groove 9 and is matched with each other. The extraction pipe 11 passes through the pipe groove 9 and extends into the well. The gas is extracted by the vacuum pump 12 for collection and transportation.

[0025] In this embodiment, the connecting assembly 5 includes an extension rod 13 and a clamping shaft 14, and the clamping shaft 14 is fixedly installed at the bottom of the rotating shaft 8. The same pipe groove 9 is opened inside the extension rod 13 and the clamping shaft 14. The same clamping shaft 14 is installed at the bottom of the extension rod 13. Two groups of screw holes 15 are opened on the periphery of the clamping shaft 14. An axis groove 16 is opened at the top of the extension rod 13. Two groups of limiting grooves 17 are opened on the periphery of the extension rod 13 near the top. A positioning bolt 18 is connected to the inside of the limiting groove 17 and the screw hole 15. The extraction tube 11 is located in the tube groove 9. The protection of the extraction tube 11 is enhanced by the extension rod 13 and the drill rod, so that extraction can be carried out while drilling.

[0026] In this embodiment, the cross-sections of the clamping shaft 14 and the shaft groove 16 are hexagonal, and the clamping shaft 14 and the shaft groove 16 are clamped together. Through the clamping of the clamping shaft 14, the rotation of the rotating shaft 8 drives the extension rod 13 to rotate for drilling.

[0027] In this embodiment, the nut of the positioning bolt 18 is located in the limiting groove 17 and is matched with each other. The inner end of the positioning bolt 18 is threadedly connected to the screw hole 15. Through the connection and fixation of the extension rod 13, drilling and extraction at different depths can be carried out.

[0028] It should be noted that the utility model is a gas safety extraction device. When in use, the hydraulic cylinder 3 and the motor 7 are started, and the output shaft of the motor 7 drives the rotating shaft 8 to rotate through the meshing of the bevel gear 10, and the rotating shaft 8 drives the drill rod to rotate, and slides downward to drill. When it is necessary to extend the drilling depth, the drill rod is disengaged from the rotating shaft 8, and the extension rod 13 is installed between the rotating shaft 8 and the drill rod, so that the clamping shaft 14 is clamped into the shaft groove 16 of the extension rod 13, and the clamping shaft 14 at the bottom end of the extension rod 13 is clamped into the shaft groove 16 at the top end of the drill rod, and they are respectively connected by the positioning bolts 18, and the extraction pipe 11 is inserted into the pipe groove 9, and the vacuum pump 12 is started to extract gas.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas safety extraction device, comprising a support frame (1) and a lifting plate (2), wherein the lifting plate (2) is movably mounted on the inner side of the support frame (1), two hydraulic cylinders (3) are mounted on the top of the support frame (1), a drilling mechanism (4) is mounted on the top of the lifting plate (2), and a connecting assembly (5) is mounted on the bottom of the lifting plate (2), characterized in that: The drilling mechanism (4) comprises a fixed box (6), wherein the fixed box (6) is fixedly mounted on the top of the lifting plate (2), a motor (7) is mounted on the front of the fixed box (6), a rotating shaft (8) is movably mounted through the bottom of the fixed box (6), a pipe groove (9) is provided inside the rotating shaft (8), bevel gears (10) are mounted on the top of the rotating shaft (8) and the rear end of the output shaft of the motor (7), an extraction pipe (11) is inserted into the pipe groove (9), and a vacuum pump (12) is connected to the top of the extraction pipe (11).

2. A gas safety extraction device according to claim 1, characterized in that: The lifting plate (2) is located on the inner side of the support frame (1) through two hydraulic cylinders (3) and is arranged to slide up and down, and the two bevel teeth (10) are arranged to be meshed and connected.

3. A gas safety extraction device according to claim 1, characterized in that: The rotating shaft (8) is located at the bottom of the fixed box (6) and is rotatably arranged, and the extraction pipe (11) passes through the top of the support frame (1) and is slidably arranged.

4. A gas safety extraction device according to claim 1, characterized in that: The air extraction pump (12) is installed at the rear of the support frame (1) near the top, and the extraction pipe (11) is located in the pipe groove (9) and is arranged to match each other.

5. A gas safety extraction device according to claim 1, characterized in that: The connecting assembly (5) comprises an extension rod (13) and a clamping shaft (14), wherein the clamping shaft (14) is fixedly mounted at the bottom of the rotating shaft (8), the extension rod (13) and the clamping shaft (14) are both provided with the same pipe groove (9), the bottom end of the extension rod (13) is provided with the same clamping shaft (14), the periphery of the clamping shaft (14) is provided with two groups of screw holes (15), the top end of the extension rod (13) is provided with an axis groove (16), the periphery of the extension rod (13) is provided with two groups of limiting grooves (17) near the top end, and a positioning bolt (18) is connected to the inside of the limiting groove (17) and the screw hole (15).

6. A gas safety extraction device according to claim 5, characterized in that: The cross sections of the clamping shaft (14) and the shaft groove (16) are hexagonal, and the clamping shaft (14) and the shaft groove (16) are clamped together.

7. A gas safety extraction device according to claim 5, characterized in that: The nut of the positioning bolt (18) is located in the limiting groove (17) and is matched with each other. The inner end of the positioning bolt (18) is threadedly connected to the screw hole (15).

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