Coal mine gas extraction adapter

Abstract

The utility model provides a coal mine gas extraction adapter, relates to the technical field of coal mine tools, and comprises an adapter bin and a receiving hopper, the receiving hopper is arranged at the bottom of the adapter bin, both sides below the front end of the adapter bin are provided with air inlet pipes, both sides above the adapter bin are provided with air outlet pipes, the lower part inside the adapter bin is provided with a sealing plate, and the lower part of the adapter bin is provided with an air outlet pipe. The sealing plate is located above the air inlet pipe, an elastic piece is arranged on the upper portion of the interior of the transfer bin, and filter cloth cylinders are connected to the two sides between the elastic piece and the sealing plate; gas enters through the gas inlet pipe, enters from the lower end of the filter cloth cylinder and is discharged to the gas outlet pipe from the side face, in the process, impurities in the filter cloth cylinder are filtered out through the filter cloth cylinder, when cleaning is needed, only the rotary knob needs to be rotated to drive the rotary shaft to rotate, the knocking plate strikes the filter cloth cylinder, and the filter cloth cylinder shakes under the action of the elastic piece; and the device can be cleaned at any time without dismounting the whole device, so that blockage is avoided, and the device is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine tools, in particular to a coal mine gas extraction adapter. Background Art

[0002] Gas is a kind of associated gas in coal mines. During the mining process, some natural gas is often found. At this time, a high-pressure suction pump is generally used to extract the gas in the coal mine, and then the extracted gas is bottled for subsequent use. When bottling, an extraction adapter is generally used to facilitate the introduction of the gas in the extraction main pipeline into the gas bottle. However, in actual operation, since gas and coal mines are interdependent, when using a high-pressure suction pump for extraction, some coal debris and dust usually enter the interior of the suction pipe along with the gas. When passing through the adapter, impurities will enter the gas bottle along with the gas, affecting the quality of the canned gas.

[0003] In the prior art, authorization announcement No. CN 216381488 U discloses "a coal mine gas extraction adapter", and specifically discloses that: the gas passes through the filter, and the impurities contained in the gas are blocked by the filter, so that the impurities fall downward and fall into the interior of the storage tank through the connecting frame, and under the action of the return material protection baffle, the impurities are prevented from returning and surging upward under the action of the airflow; however, in the above technology, after long-term use, the filter is easily clogged with impurities. At this time, the device can only be completely disassembled and cleaned, which is very inconvenient. Therefore, the utility model proposes a coal mine gas extraction adapter to solve the problems existing in the prior art. Utility Model Content

[0004] In response to the above problems, the utility model proposes a coal mine gas extraction adapter. The coal mine gas extraction adapter only needs to turn the knob to drive the rotating shaft to rotate, so that the knocking plate hits the filter cloth tube. Through the action of the elastic part, the filter cloth tube shakes, which makes it easy to shake off impurities and fall into the receiving hopper. It can be cleaned at any time without disassembling the whole body, avoiding blockage and being more convenient.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a coal mine gas extraction adapter, including a transfer bin and a receiving hopper, the receiving hopper is arranged at the bottom of the transfer bin, and air inlet pipes are provided on both sides below the front end of the transfer bin, air outlet pipes are provided above both sides of the transfer bin, a sealing plate is provided below the interior of the transfer bin, and the sealing plate is located above the air inlet pipe, an elastic member is provided above the interior of the transfer bin, and filter cloth drums are connected to both sides between the elastic member and the sealing plate, and the lower end of the filter cloth drum is connected to the sealing plate;

[0006] A rotating shaft is rotatably provided at a middle position inside the transfer bin, and a knocking plate is provided on the rotating shaft. The front end of the rotating shaft extends out of the transfer bin and is connected to a knob.

[0007] A further improvement is that a sealed bearing is provided at the middle position of the front end of the transfer chamber, the front end of the rotating shaft passes through the sealed bearing and is sealed and rotatably mounted with the transfer chamber through the sealed bearing.

[0008] A further improvement is that an arc groove is provided on the top of the knocking plate, and a rubber is provided on the inner side of the arc groove.

[0009] A further improvement is that the elastic member includes a spring and a top plate, the top plate is arranged above the interior of the transfer bin, the spring is connected between the top plate and the top of the interior of the transfer bin, and there are at least two groups of springs, and the upper end of the filter cloth drum is connected to the top plate.

[0010] A further improvement is that: edges are provided at the edge of the bottom of the transfer bin and the edge of the top of the receiving hopper, and the two groups of edges are fixed by bolts.

[0011] A further improvement is that visual windows are provided on both sides of the front end of the transfer bin, and a pressure gauge is provided in the middle position of the top of the transfer bin, and the pressure gauge is connected to the interior of the transfer bin.

[0012] A further improvement is that a first valve is provided on the air inlet pipe and a second valve is provided on the air outlet pipe.

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

[0014] 1. The utility model allows gas to enter through the air inlet pipe, enter from the lower end of the filter cloth drum, and be discharged to the air outlet pipe from the side. During this process, impurities are filtered out by the filter cloth drum and retained inside. When cleaning is required, it is only necessary to turn the knob to drive the rotating shaft to rotate, so that the knocking plate hits the filter cloth drum. Through the action of the elastic part, the filter cloth drum vibrates, making it easy to shake off impurities and drop them into the receiving hopper. There is no need to disassemble the entire drum, so it can be cleaned at any time to avoid blockage and is more convenient.

[0015] 2. The utility model can observe the status of the filter cloth drum in the transfer bin through the visual window on the transfer bin, which is convenient for operation according to needs and has diversified functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the main view of the utility model;

[0017] Figure 2 It is a rear side cross-sectional schematic diagram of the present utility model;

[0018] Figure 3 This is a schematic diagram of a knocking plate of the present invention.

[0019] Among them: 1. Transfer bin; 2. Material receiving hopper; 3. Air inlet pipe; 4. Air outlet pipe; 5. Sealing plate; 6. Filter cloth drum; 7. Rotating shaft; 8. Knob; 9. Knob; 10. Sealed bearing; 11. Arc groove; 12. Spring; 13. Top plate; 14. Edge; 15. Visual window; 16. Pressure gauge; 17. First valve; 18. Second valve. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0021] Example 1

[0022] according to Figure 1 、 2 As shown in Figures 3 and 4, this embodiment proposes a coal mine gas extraction adapter, comprising a transfer bin 1 and a receiving hopper 2, the receiving hopper 2 being arranged at the bottom of the transfer bin 1, and air inlet pipes 3 are provided on both sides below the front end of the transfer bin 1, and air outlet pipes 4 are provided above both sides of the transfer bin 1, a sealing plate 5 is provided below the interior of the transfer bin 1, and the sealing plate 5 is located above the air inlet pipe 3, an elastic member is provided above the interior of the transfer bin 1, and filter cloth drums 6 are connected on both sides between the elastic member and the sealing plate 5, and the lower end of the filter cloth drum 6 is connected to the sealing plate 5;

[0023] A rotating shaft 7 is rotatably provided at the middle position inside the transfer bin 1, and a knocking plate 8 is provided on the rotating shaft 7. The front end of the rotating shaft 7 extends out of the transfer bin 1 and is connected to a knob 9. When in use, gas enters through the air inlet pipe 3, enters from the lower end of the filter cloth drum 6, and is discharged from the side to the air outlet pipe 4. During this process, impurities are filtered out by the filter cloth drum 6 and retained inside. When cleaning is required, it is only necessary to rotate the knob 9 to drive the rotating shaft 7 to rotate, so that the knocking plate 8 hits the filter cloth drum 6. Through the action of the elastic member, the filter cloth drum 6 shakes, facilitating the shaking of impurities and falling into the interior of the receiving hopper 2. It can be cleaned at any time without disassembling the entire device, thus avoiding blockage and being more convenient.

[0024] A sealed bearing 10 is provided at the middle position of the front end of the transfer bin 1. The front end of the rotating shaft 7 passes through the sealed bearing 10 and is sealed and rotatably mounted with the transfer bin 1 through the sealed bearing 10. When cleaning is required, one only needs to turn the knob 9 to rotate the rotating shaft 7, so that the knocking plate 8 hits the filter cloth drum 6. The filter cloth drum 6 vibrates due to the action of the elastic member, which facilitates the shaking of impurities and falls into the interior of the receiving hopper 2. It can be cleaned at any time without disassembling the entire unit, avoiding blockage and being more convenient. Due to the action of the sealed bearing 10, no leakage will occur when the rotating shaft 7 is rotated.

[0025] The top of the knocking plate 8 is provided with an arc groove 11, and the inner side of the arc groove 11 is provided with a rubber. When cleaning is needed, just turn the knob 9 to drive the rotating shaft 7 to rotate, so that the knocking plate 8 hits the filter cloth drum 6, and the rubber contacts the filter cloth drum 6 to avoid wear. The filter cloth drum 6 is an elastic filter cloth with a certain degree of ductility.

[0026] The elastic member includes a spring 12 and a top plate 13. The top plate 13 is located above the interior of the transfer bin 1. The spring 12 is connected between the top plate 13 and the interior of the transfer bin 1. There are at least two sets of springs 12. The upper end of the filter cloth drum 6 is connected to the top plate 13. When cleaning is needed, just turn the knob 9 to rotate the rotating shaft 7, so that the knocking plate 8 hits the filter cloth drum 6. Due to the elasticity of the spring 12 and the connection with the top plate 13, the filter cloth drum 6 shakes, making it easy to shake off impurities and fall into the interior of the receiving hopper 2. It can be cleaned at any time without disassembling the entire body, avoiding blockage and being more convenient.

[0027] The edge of the bottom of the transfer bin 1 and the edge of the top of the hopper 2 are both provided with edges 14, and the two sets of edges 14 are fixed by bolts. The action of the edges 14 and the bolts facilitates the installation or removal of the transfer bin 1 and the hopper 2.

[0028] The air inlet pipe 3 is provided with a first valve 17 for adjusting the connected air inlet pipe 3 , and the air outlet pipe 4 is provided with a second valve 18 for adjusting the connected air outlet pipe 4 .

[0029] Example 2

[0030] according to Figure 1 、 2 As shown in Figures 3 and 4, this embodiment proposes a coal mine gas extraction adapter, comprising a transfer bin 1 and a receiving hopper 2, the receiving hopper 2 being arranged at the bottom of the transfer bin 1, and air inlet pipes 3 are provided on both sides below the front end of the transfer bin 1, and air outlet pipes 4 are provided above both sides of the transfer bin 1, a sealing plate 5 is provided below the interior of the transfer bin 1, and the sealing plate 5 is located above the air inlet pipe 3, an elastic member is provided above the interior of the transfer bin 1, and filter cloth drums 6 are connected on both sides between the elastic member and the sealing plate 5, and the lower end of the filter cloth drum 6 is connected to the sealing plate 5;

[0031] A rotating shaft 7 is rotatably provided at the middle position inside the transfer bin 1, and a knocking plate 8 is provided on the rotating shaft 7. The front end of the rotating shaft 7 extends out of the transfer bin 1 and is connected to a knob 9. When in use, gas enters through the air inlet pipe 3, enters from the lower end of the filter cloth drum 6, and is discharged from the side to the air outlet pipe 4. During this process, impurities are filtered out by the filter cloth drum 6 and retained inside. When cleaning is required, it is only necessary to rotate the knob 9 to drive the rotating shaft 7 to rotate, so that the knocking plate 8 hits the filter cloth drum 6. Through the action of the elastic member, the filter cloth drum 6 shakes, facilitating the shaking of impurities and falling into the interior of the receiving hopper 2. It can be cleaned at any time without disassembling the entire device, thus avoiding blockage and being more convenient.

[0032] Visual windows 15 are provided on both sides of the front end of the transfer chamber 1, and a pressure gauge 16 is provided in the middle of the top of the transfer chamber 1. The pressure gauge 16 is connected to the interior of the transfer chamber 1. When in use, the status of the filter cloth drum 6 in the transfer chamber 1 can be observed through the visual windows 15 on the transfer chamber 1, which is convenient for operation according to needs and has diversified functions. The pressure in the transfer chamber 1 can be detected through the pressure gauge 16.

[0033] The air inlet pipe 3 is provided with a first valve 17 for adjusting the connected air inlet pipe 3 , and the air outlet pipe 4 is provided with a second valve 18 for adjusting the connected air outlet pipe 4 .

[0034] The coal mine gas extraction adapter draws gas through the inlet pipe 3, enters from the lower end of the filter cloth drum 6, and is discharged from the side to the outlet pipe 4. During this process, impurities are filtered out by the filter cloth drum 6 and retained inside. When cleaning is required, the knob 9 is simply turned to rotate the rotating shaft 7, causing the knocking plate 8 to strike the filter cloth drum 6. The elastic member causes the filter cloth drum 6 to vibrate, allowing impurities to fall into the receiving hopper 2. This allows for convenient cleaning at any time without disassembling the entire unit, avoiding blockage and providing greater convenience. Furthermore, the status of the filter cloth drum 6 inside the transfer chamber 1 can be observed through the visual window 15 on the transfer chamber 1, making it easy to operate as needed and providing diverse functions.

[0035] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine gas extraction adapter, comprising a transfer chamber (1) and a receiving hopper (2), characterized in that: The receiving hopper (2) is arranged at the bottom of the transfer bin (1), and air inlet pipes (3) are provided on both sides below the front end of the transfer bin (1), and air outlet pipes (4) are provided above both sides of the transfer bin (1). A sealing plate (5) is provided below the interior of the transfer bin (1), and the sealing plate (5) is located above the air inlet pipe (3). An elastic member is provided above the interior of the transfer bin (1), and filter cloth drums (6) are connected on both sides between the elastic member and the sealing plate (5), and the lower end of the filter cloth drum (6) is connected to the sealing plate (5). A rotating shaft (7) is rotatably provided at a middle position inside the transfer bin (1), and a knocking plate (8) is provided on the rotating shaft (7). The front end of the rotating shaft (7) extends out of the transfer bin (1) and is connected to a knob (9).

2. A coal mine gas extraction adapter according to claim 1, characterized in that: A sealed bearing (10) is provided at the middle position of the front end of the transfer bin (1), and the front end of the rotating shaft (7) passes through the sealed bearing (10) and is sealed and rotatably mounted with the transfer bin (1) via the sealed bearing (10).

3. The coal mine gas extraction adapter according to claim 1, characterized in that: An arc groove (11) is provided on the top of the knocking plate (8), and a rubber is provided on the inner side of the arc groove (11).

4. The coal mine gas extraction adapter according to claim 1, characterized in that: The elastic member comprises a spring (12) and a top plate (13); the top plate (13) is arranged above the interior of the transfer bin (1); the spring (12) is connected between the top plate (13) and the interior of the transfer bin (1); and at least two groups of springs (12) are provided. The upper end of the filter cloth drum (6) is connected to the top plate (13).

5. The coal mine gas extraction adapter according to claim 1, characterized in that: Edges (14) are provided at the bottom edge of the transfer bin (1) and the top edge of the receiving hopper (2), and the two groups of edges (14) are fixed by bolts.

6. The coal mine gas extraction adapter according to claim 1, characterized in that: Both sides of the front end of the transfer chamber (1) are provided with visual windows (15), and a pressure gauge (16) is provided at the middle position of the top of the transfer chamber (1), and the pressure gauge (16) is connected to the interior of the transfer chamber (1).

7. The coal mine gas extraction adapter according to claim 1, characterized in that: The air inlet pipe (3) is provided with a first valve (17), and the air outlet pipe (4) is provided with a second valve (18).

Images