Automatic detection device and method, regulation and control system and method for extraction borehole

Abstract

The application discloses a kind of automatic detection devices of extraction borehole, including unit extraction pipe, several borehole extraction pipes, borehole extraction pipe valve, borehole extraction pipe road sampling interface component, track, push mechanism and detection device;Unit extraction pipe is connected with several borehole extraction pipes, each borehole extraction pipe is connected with borehole extraction pipe valve, borehole extraction pipe road sampling interface component, track is fixed on the side of unit extraction pipe, detection device is provided on push mechanism, push mechanism drives detection device to slide along track top, detection device is used to measure the gas parameter of the gas flowing through a borehole extraction pipe road sampling interface component, realize borehole extraction pipe gas parameter detection.The application also provides a kind of detection method of automatic detection device of extraction borehole, and extraction borehole automatic control system and control method.The application can realize each extraction borehole detection and negative pressure regulation, and low in cost, small in error, and is suitable for use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mine gas management, in particular to an automatic detection device and method for extraction drilling, a regulation and control system and method. BACKGROUND

[0002] The extraction states of gas extraction drilling holes are different, and in different time periods, some drilling holes have better extraction effects, and some drilling holes have poorer extraction effects. It is necessary to timely find the extraction states of the drilling holes, collect the extraction gas parameters of the drilling holes, and regulate and control the extraction pipe valves according to the extraction states of the drilling holes and the extraction negative pressure distribution planning, so as to achieve the effect of reasonable distribution of negative pressure.

[0003] At present, the detection methods for single-hole gas extraction are as follows: the drilling extraction pipeline is connected to the summary branch pipeline and then to the extraction main pipeline, a gas parameter detection hole is arranged at the end of the drilling extraction pipeline, and in normal state, the detection hole is tightly sealed by a rubber plug. During detection, the rubber plug is manually removed, and a detection device probe carried by an operator is inserted into the drilling extraction pipeline detection hole to detect the gas parameters and collect drilling data. The collected drilling parameters are comprehensively analyzed to determine whether abnormal problems such as hole collapse and gas leakage occur in the drilling hole or to manually adjust the opening degree of the mechanical straight-through valve on the drilling extraction pipeline according to the extraction negative pressure distribution planning to control the single-hole negative pressure distribution state. Since there are many extraction areas and many drilling holes in the mine, a large number of personnel are often required, the labor intensity is high, and the detection frequency is low. Generally, the single-hole detection frequency is 1 time / week. The strike length of each extraction area is generally greater than 1000m, the number of drilling holes is generally greater than 500, the strike length of each unit in the area is generally greater than 100m, and the number of drilling holes is generally greater than 50. The timeliness and rationality of drilling detection and negative pressure distribution are difficult to effectively guarantee.

[0004] For example, the patent with publication number CN114563548A discloses an unmanned inspection and extraction data intelligent fine collection system and method, and the patent with publication number CN210564640U discloses a multi-hole combined extraction single-hole gas extraction parameter automatic patrol and separate detection device. Although the above patents realize single-hole separate detection, they cannot realize remote regulation and control of the multiple opening degrees of the single-hole extraction pipe valves, and still require manual processing of the valve opening degrees.

[0005] For example, the patent with publication number CN114609963A discloses an extraction pipe network data intelligent collection and negative pressure distribution regulation and control system and method. Although the patent realizes remote regulation and control of single-hole data collection and single-hole extraction negative pressure distribution state, each drilling hole is provided with an opening degree controllable explosion-proof electronic valve. The opening degree controllable explosion-proof electronic valve generally has a high cost, and the drilling holes are numerous, so the electric control system is extremely complex, and there are many problems in installation and recovery, which cannot be widely applied.

[0006] As the above patent, the current automatic inspection method is to increase a measuring branch pipe on the drilling extraction pipe, and the measuring branch pipe is communicated with the added measuring pipe, the extraction pipe and the measuring branch pipe are guided through the control of the inspection device such as the electric control valve to be communicated at different times, the gas parameters in the measuring pipe are determined as the corresponding drilling measurement results, when the length of the measuring pipe is long, the resistance along the path generated by the measuring pipe or the gas residue has a great influence on the measurement results of the drilling, and there is a certain error, if the short distance measuring pipe is selected, although the error can be controlled within a certain range, the number of pipe parameter measurement systems and the overall cost will also increase, in addition, a large number of electric control valves or fixed inspection devices, the system is complex, the cost is high, and the installation is not convenient.

[0007] To solve the above problems, an automatic detection device and detection method, a control system and a control method for drilling extraction are needed, which can realize the detection and negative pressure regulation of each drilling extraction, have small error and low cost, and are suitable for popularization and use. SUMMARY

[0008] To solve the above technical problems, the purpose of the present application is to provide an automatic detection device and detection method, a control system and a control method for drilling extraction.

[0009] The above purpose of the present application is realized by the following technical scheme:

[0010] The automatic detection device for drilling extraction comprises a unit extraction pipe, a plurality of drilling extraction pipes, drilling extraction pipe valves, drilling extraction pipe sampling interface assemblies, a track, a pushing mechanism and a detection device.

[0011] A plurality of drilling extraction pipes are communicated with the unit extraction pipe, each drilling extraction pipe is provided with an opening-adjustable drilling extraction pipe valve and a drilling extraction pipe sampling interface assembly, a track is fixed on one side of the unit extraction pipe, a detection device is arranged on the pushing mechanism, the pushing mechanism drives the detection device to slide along the track, the detection device is used to measure the gas parameters flowing through the drilling extraction pipe sampling interface assembly, and the drilling extraction pipe gas parameter detection is realized.

[0012] Further, the detection device comprises a probe driving assembly, a probe assembly and a detection probe collecting device, the probe driving assembly is fixed on the pushing mechanism, the probe driving assembly is connected with the probe assembly and used to drive the probe assembly to move, the probe assembly corresponds to the position of the drilling extraction pipe sampling interface assembly, and the probe assembly is additionally connected with the detection probe collecting device, and the detection probe collecting device is used to measure the gas parameters flowing through the probe assembly.

[0013] Further, the probe driving assembly comprises a detection probe sliding rail, a detection probe sliding block, a detection probe sliding rail screw, a detection probe sliding block driving motor and a detection probe holder. The detection probe sliding rail is fixed at the top end of the detection device support. The detection probe sliding block driving motor is arranged on the detection probe sliding rail. The detection probe sliding rail screw is arranged on the detection probe sliding block driving motor. The detection probe sliding block is arranged on the detection probe sliding rail screw. The detection probe holder is fixed on the detection probe sliding block. The probe assembly is clamped on the detection probe holder. The detection probe collecting device is fixed on the detection device support and located below the probe driving assembly. The probe assembly is connected with the probe assembly through the flexible pipe group.

[0014] The detection probe sliding block driving motor drives the detection probe sliding rail screw to rotate, thereby driving the detection probe sliding block to reciprocate along the detection probe sliding rail. The detection probe sliding block drives the detection probe holder and the probe assembly to reciprocate, thereby controlling the probe assembly to enter or move out of the borehole extraction pipeline sampling interface assembly. The probe assembly sends the detected data to the detection probe collecting device.

[0015] Further, the probe assembly comprises a detection probe, a detection probe air guide hole, a detection probe sealing plug and a detection probe adapter. The detection probe is clamped on the detection probe holder in the horizontal direction. The detection probe air guide hole is arranged on the detection probe. The detection probe sealing plug is arranged on the detection probe. The detection probe adapter is arranged on the detection probe and used for connecting with the flexible pipe group.

[0016] Further, the borehole extraction pipeline sampling interface assembly comprises a hollow shell, a borehole extraction pipeline sampling port and a one-way valve assembly. The borehole extraction pipeline is divided into two sections. The upper and lower ends of the hollow shell are connected with the two sections of the borehole extraction pipeline. The borehole extraction pipeline sampling port is arranged on the outer wall of the hollow shell. The one-way valve assembly is arranged in the hollow shell. The opening and closing of the borehole extraction pipeline sampling port are controlled through the one-way valve assembly.

[0017] Further, the one-way valve assembly comprises a one-way valve body, a one-way valve spring, a one-way valve body fixed telescopic rod body and a one-way valve body fixed telescopic cylinder body. The one-way valve body fixed telescopic cylinder body is fixed on the pipe body away from the borehole extraction pipeline sampling port. The one-way valve body fixed telescopic rod body is arranged at the front end of the one-way valve body fixed telescopic cylinder body. The one-way valve body is arranged at the front end of the one-way valve body fixed telescopic rod body. The one-way valve body fixed telescopic rod body can slide along the one-way valve body fixed telescopic cylinder body. The one-way valve spring is fixed between the one-way valve body and the one-way valve body fixed telescopic cylinder body. The position of the one-way valve body corresponds to the opening position of the borehole extraction pipeline sampling port. In the undetected state, the one-way valve body is tightly attached to the borehole extraction pipeline sampling port under the action of the one-way valve spring, thereby realizing the sealing of the borehole extraction pipeline sampling port.

[0018] Further, the drilling extraction pipeline sampling port is connected with a drilling extraction pipeline sampling port auxiliary part.

[0019] Further, the drilling extraction pipeline valve comprises a hollow valve body, a valve core rotatable relative to the valve body is arranged in the valve body, a through hole is arranged in the valve core, and a valve first wrench and a valve second wrench symmetrically arranged are fixed to the outer side of the valve core through a connecting rod.

[0020] Further, the drilling extraction pipeline valve has three conduction states, specifically: when the valve first wrench is inclined downward, the included angle between the valve first wrench and the valve body axis is θ angle, and 0°<θ<90°, the drilling extraction pipeline valve is in a completely open state, and is in an initial state; when the valve first wrench is counterclockwise rotated by Φ angle, the valve core is counterclockwise rotated by Φ angle, and 0°<Φ<90°, the drilling extraction pipeline valve is in a Φ angle opening state; when the valve first wrench is counterclockwise rotated by 90°, the drilling extraction pipeline valve is in a completely closed state.

[0021] Further, the automatic detection device for the drilling extraction pipeline further comprises a valve control assembly for controlling the conduction state of the valve, and the valve control assembly is arranged on the pushing mechanism and moves along the track together with the pushing mechanism.

[0022] Further, the valve control assembly mainly comprises a first push rod and a second push rod, the first push rod and the second push rod are respectively fixed above the pushing mechanism, when the first push rod is located below the valve first wrench and the second push rod is located below the valve second wrench, the valve first wrench or the valve second wrench is pushed by the push rod of the first push rod or the second push rod to drive the valve core to rotate, the switching of the conduction state of the drilling extraction pipeline valve is realized, and the opening adjustment of the drilling extraction pipeline is realized.

[0023] Further, the pushing mechanism comprises a moving platform and a moving control system, the moving control system is used for driving the moving platform to reciprocate along the track, the moving platform comprises a moving platform pulley, a moving platform vehicle body and a moving platform supporting plate, a plurality of moving platform pulleys are arranged below the moving platform vehicle body, the moving platform pulleys are slidably connected with the track, and the moving platform supporting plate is fixed above the moving platform vehicle body.

[0024] Further, the moving platform is further provided with a proximity switch and a proximity switch support, the proximity switch support is fixed above the moving platform supporting plate of the moving platform, the proximity switch support is fixed with the proximity switch at the top end, and a proximity switch identification rod is respectively arranged on each drilling extraction pipeline, and the proximity switch identifies the proximity switch identification rod.

[0025] Further, the mobile control system comprises a first traction wire rope, a first wire rope winch, a second traction wire rope and a second wire rope winch; the first wire rope winch is wound with the first traction wire rope, the first traction wire rope is fixed to one end of the mobile platform, the second wire rope winch is wound with the second traction wire rope, the second traction wire rope is fixed to the other end of the mobile platform, and the first wire rope winch and the second wire rope winch are respectively located at the outer sides of the front end and the rear end of the track.

[0026] Further, the track is fixed outside the unit extraction pipe in parallel through a plurality of pipe clamps and a plurality of track fixing frames, the plurality of pipe clamps are fixed outside the unit extraction pipe in a spaced sleeve manner, each pipe clamp is provided with a track fixing frame, and the track fixing frame is fixed to the lower surface of the track.

[0027] The application also provides a detection method of the automatic detection device for extraction drilling, which is realized by using the automatic detection device for extraction drilling and comprises the following steps.

[0028] Step one: connect each drilling hole sealing pipe with the drilling hole extraction pipe, and the initial state of the valve of each drilling hole extraction pipe is completely opened;

[0029] Step two: when it is necessary to detect the gas parameters of a drilling hole, the pushing mechanism is moved to the front of the corresponding drilling hole;

[0030] Step three: the detection device completes the detection of the gas parameters of the drilling hole;

[0031] Step four: according to the interval of the detected gas parameters, the opening of the valve of the drilling hole extraction pipe is adjusted by using the valve control assembly; if it is judged that the gas parameters are in the interval of drilling hole gas leakage and hole collapse, the valve of the drilling hole extraction pipe is adjusted to the completely closed state by using the valve control assembly; if it is judged that the gas parameters are in the interval of reducing negative pressure, the valve of the drilling hole extraction pipe is adjusted to the corresponding Φ angle opening state according to the interval value of the gas parameters;

[0032] Step five: after the detection of the drilling hole and the adjustment of the valve are completed, the pushing mechanism is controlled to continue to move along the track;

[0033] Step six: steps two to five are repeated to complete the detection of the gas parameters and the adjustment of the valve of other drilling holes.

[0034] The application also provides an automatic control system for extraction drilling, which comprises the automatic detection device for extraction drilling and a data transmission and control assembly, and the data transmission and control system is used to control the pushing mechanism, the detection device and the valve control assembly of the automatic detection device for extraction drilling and to obtain the gas parameters of the drilling hole extraction pipe measured by the detection device.

[0035] Further, the data transmission and control system comprises a wireless communication base station, a downhole control cabinet, a downhole network switch, a downhole ring network, an uphole network switch and an upper computer.

[0036] The wireless communication base station, the downhole control cabinet, the downhole network switch, the downhole ring network, the uphole network switch and the upper computer are sequentially connected in communication, the downhole control cabinet is electrically connected with the mobile control device, and the wireless communication base station is wirelessly communicated with the mobile platform.

[0037] The application also provides a control method of the automatic control system of the extraction drill hole, and the control method is realized by using the automatic control system of the extraction drill hole and comprises the following steps.

[0038] Step one: connect each drill hole sealing pipe with the drill hole extraction pipe, and the initial state of each drill hole extraction pipe valve is fully opened;

[0039] Step two: send the instruction of detecting a certain drill hole to the downhole control cabinet through the built-in program or manual input of the upper computer, and the downhole control cabinet sends the instruction to control the push mechanism to move to the front of the corresponding drill hole;

[0040] Step three: the downhole control cabinet controls the probe driving assembly to drive the probe assembly to move to the side of the drill hole extraction pipe, and the detection probe collecting device completes the detection of the gas parameters of the drill hole;

[0041] Step four: the drill hole gas parameter data detected by the detection probe collecting device is uploaded to the upper computer through the wireless communication and control module and the data transmission and control system, and the upper computer judges the interval of the current drill hole gas parameters; if the gas parameters are in the drill hole gas leakage and hole collapse interval, the drill hole extraction pipe valve is adjusted to the fully closed state through the valve control assembly; if the gas parameters are in the interval that can reduce the negative pressure, the drill hole extraction pipe valve is adjusted to the corresponding Φ angle opening state according to the interval value of the gas parameters;

[0042] Step five: after the detection of the drill hole and the adjustment of the valve are completed, the push mechanism continues to move along the track;

[0043] Step six: repeat steps two to five to complete the detection of the gas parameters and the adjustment of the valve of each drill hole.

[0044] Compared with the prior art, the application has the following beneficial effects:

[0045] The drilling extraction pipeline interface assembly is arranged on the drilling extraction pipeline, the detection probe is used for sampling, the drilling extraction pipeline sampling interface assembly cooperates with the detection probe sampling mode, compared with the measuring pipe measurement, has the characteristics of small error, low cost and simple installation, with the increase of the length of the measuring pipe, the measuring pipe will generate resistance or gas residue along the way, the measurement result of the drilling extraction gas is gradually increased, if the short distance measuring pipe is selected, the pipeline parameter measurement system quantity will be increased, the system cost will be increased, and compared with the measuring pipe, the drilling extraction pipeline sampling interface assembly is more convenient to install.

[0046] In addition, the drilling extraction pipe valve is arranged on each drilling extraction pipe, the on-off state of the drilling extraction pipe valve is controlled through the valve control assembly, and the drilling extraction pipe valve is a straight-through mechanical valve, which has low market price and does not need additional control elements, compared with the explosion-proof electric tee valve and the mechanical tee valve, has the advantages of small size, light weight and low cost.

[0047] The present application can realize the detection and negative pressure adjustment of each extraction drilling hole, and has low cost and small error, and is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0048] Figure 1 It is a structure schematic view of the automatic detection device for the extraction drilling hole of the embodiment one of the present application;

[0049] Figure 2 It is a structure schematic view of the automatic control system for the extraction drilling hole of the embodiment three of the present application;

[0050] Figure 3 It is a side view of the automatic detection device for the extraction drilling hole of the present application;

[0051] Figure 4 It is a structure schematic view of the drilling extraction pipeline sampling interface assembly and the probe assembly of the present application;

[0052] Figure 5 It is a sampling measurement schematic view of the probe assembly into the drilling extraction pipeline sampling interface assembly of the present application;

[0053] Figure 6 It is an initial state schematic view of the first push rod and the valve first wrench of the present application;

[0054] Figure 7 It is a schematic view of the first push rod pushing the valve first wrench of the present application;

[0055] Figure 8 It is a position schematic view of the valve first wrench and the valve second wrench when the drilling extraction pipe valve of the present application is fully opened;

[0056] Figure 9Positioning diagram of valve core when the drilling extraction pipe valve of the present application is in fully open state;

[0057] Figure 10 Positioning diagram of valve first wrench and valve second wrench when the drilling extraction pipe valve of the present application is in closed state;

[0058] Figure 11 Positioning diagram of valve core when the drilling extraction pipe valve of the present application is in closed state;

[0059] Figure 12 Positioning diagram of valve first wrench and valve second wrench when the drilling extraction pipe valve of the present application is in Φ angle opening state;

[0060] Figure 13 Positioning diagram of valve core when the drilling extraction pipe valve of the present application is in Φ angle opening state;

[0061] In the figure, 1, unit extraction pipe, 11, drilling extraction pipe, 101, drilling extraction pipe valve, 1011, valve first wrench, 1012, valve second wrench, 1013, valve body, 1014, valve core, 10141, through hole, 1015, connecting rod, 102, drilling extraction pipe road sampling interface assembly, 1021, drilling extraction pipe road sampling port, 1022, drilling extraction pipe road sampling port auxiliary part, 1020, one-way valve assembly, 1023, one-way valve body, 1024, one-way valve spring, 1025, one-way valve body fixed telescopic rod body, 1026, one-way valve body fixed telescopic cylinder body;

[0062] 2, track, 21, pipe clamp, 22, track fixing frame;

[0063] 201, mobile platform, 2011, mobile platform pulley, 2012, mobile platform vehicle body, 2013, mobile platform supporting plate; 2014, first traction steel wire rope, 2015, first steel wire rope winch, 2016, second traction steel wire rope, 2017, second steel wire rope winch;

[0064] 2021, first push rod, 2022, second push rod;

[0065] 2023, detection device support;

[0066] 2031, proximity switch support, 2032, proximity switch, 2033, proximity switch identification rod;

[0067] 204, probe driving assembly, 2041, detection probe sliding rail, 2042, detection probe sliding block, 2043, detection probe sliding rail screw, 2044, detection probe sliding block driving motor, 2045, detection probe holder; 205, probe assembly, 2051, detection probe, 2052, detection probe air guide hole, 2053, detection probe sealing plug, 2054, detection probe adapter, 206, detection probe collection device, 2061, flexible pipe group;

[0068] 2071, power supply, 2072, wireless communication and control module;

[0069] 300, wireless communication base station, 301, downhole control cabinet, 302, downhole network switch, 303, downhole ring network, 304, uphole network switch, 305, host computer. DETAILED DESCRIPTION

[0070] The detailed content of the present application and its specific implementation mode will be further illustrated in combination with the drawings and specific examples.

[0071] Example one

[0072] Reference Figure 1 and Figure 3 , the automatic detection device of the extraction borehole comprises a unit extraction pipe 1, a plurality of borehole extraction pipes 11, borehole extraction pipe valves 101, borehole extraction pipe sampling interface assemblies 102, a track 2, a pushing mechanism and a detection device.

[0073] The unit extraction pipe 1 is connected with a plurality of borehole extraction pipes 11, each borehole extraction pipe 11 is connected with an adjustable opening degree borehole extraction pipe valve 101 and a borehole extraction pipe sampling interface assembly 102, a track 2 is fixed on one side of the unit extraction pipe 1, the pushing mechanism is provided with the detection device, the pushing mechanism drives the detection device to slide along the track 2, the detection device is used for measuring the gas parameters flowing through the borehole extraction pipe sampling interface assembly 102, and the gas parameter detection of the borehole extraction pipe 11 is realized.

[0074] Reference Figure 4 and Figure 5 , the detection device comprises a probe driving assembly 204, a probe assembly 205 and a detection probe collection device 206, the probe driving assembly 204 is fixed on the pushing mechanism through the detection device support 2023, the probe driving assembly 204 is connected with the probe assembly 205, used for driving the probe assembly 205 to move, the probe assembly 205 corresponds to the position of the borehole extraction pipe sampling interface assembly 102, and the probe assembly 205 is additionally connected with the detection probe collection device 206, and the gas parameters flowing through the probe assembly 205 are measured through the detection probe collection device 206.

[0075] The probe driving assembly 204 comprises a detection probe sliding rail 2041, a detection probe sliding block 2042, a detection probe sliding rail screw 2043, a detection probe sliding block driving motor 2044 and a detection probe holder 2045. The detection probe sliding rail 2041 is fixed at the top end of the detection device support 2023, and the detection probe sliding block driving motor 2044 is arranged on the detection probe sliding rail 2041. The detection probe sliding rail screw 2043 is arranged on the detection probe sliding block driving motor 2044, and the detection probe sliding block 2042 is arranged on the detection probe sliding rail screw 2043. The detection probe holder 2045 is fixed on the detection probe sliding block 2042, and the probe assembly 205 is clamped on the detection probe holder 2045. The detection probe collecting device 206 is fixed on the detection device support 2023 and located below the probe driving assembly 204. The probe assembly 205 is connected with the probe assembly 205 through the flexible pipe group 2061.

[0076] The detection probe sliding block driving motor 2044 drives the detection probe sliding rail screw 2043 to rotate, so as to drive the detection probe sliding block 2042 to reciprocate along the detection probe sliding rail 2041. The detection probe sliding block 2042 drives the detection probe holder 2045 and the probe assembly 205 to reciprocate, so as to control the probe assembly 205 to enter or move out of the borehole extraction pipeline sampling interface assembly 102. The probe assembly 205 sends the detected data to the detection probe collecting device 206.

[0077] The probe assembly 205 comprises a detection probe 2051, a detection probe gas guide hole 2052, a detection probe sealing plug 2053 and a detection probe adapter 2054. The detection probe 2051 is clamped on the detection probe holder 2045 in the horizontal direction. A plurality of detection probe gas guide holes 2052 are arranged on the detection probe 2051. The detection probe 2051 is provided with a detection probe sealing plug 2053. The detection probe 2051 is also provided with a detection probe adapter 2054, which is used to be connected with the flexible pipe group 2061.

[0078] The borehole extraction pipeline sampling interface assembly 102 comprises a hollow shell, a borehole extraction pipeline sampling port 1021 and a one-way valve assembly 1020. The borehole extraction pipe 11 is divided into two sections. The upper and lower ends of the hollow shell are connected with the two sections of the borehole extraction pipe 11 (which can be connected through threads between the interfaces). The outer wall of the hollow shell is provided with the borehole extraction pipeline sampling port 1021. The one-way valve assembly 1020 is arranged in the hollow shell, and the opening and closing of the borehole extraction pipeline sampling port 1021 is controlled through the one-way valve assembly 1020.

[0079] The one-way valve assembly 1020 comprises a one-way valve body 1023, a one-way valve spring 1024, a one-way valve body fixed telescopic rod body 1025 and a one-way valve body fixed telescopic cylinder body 1026; the one-way valve body fixed telescopic cylinder body 1026 is fixed on the pipe body away from the drilling extraction pipeline sampling port 1021, a one-way valve body fixed telescopic rod body 1025 is arranged at the front end of the one-way valve body fixed telescopic cylinder body 1026, a one-way valve body 1023 is arranged at the front end of the one-way valve body fixed telescopic rod body 1025, the one-way valve body fixed telescopic rod body 1025 can slide along the one-way valve body fixed telescopic cylinder body 1026, and the one-way valve body 1023 and the one-way valve body fixed telescopic cylinder body 1026 are fixed with the one-way valve spring 1024; the position of the one-way valve body 1023 corresponds to the opening position of the drilling extraction pipeline sampling port 1021; in the undetected state, the one-way valve body 1023 is tightly attached to the drilling extraction pipeline sampling port 1021 under the action of the one-way valve spring 1024, so that the drilling extraction pipeline sampling port 1021 is sealed.

[0080] The drilling extraction pipeline sampling port auxiliary 1022 is connected at the port of the drilling extraction pipeline sampling port 1021.

[0081] Referring to Figure 6 The drilling extraction pipeline valve 101 comprises a hollow valve body 1013, a valve core 1014 rotatable relative to the valve body 1013 is arranged in the valve body 1013, a through hole 10141 is arranged in the valve core 1014, and the valve core 1014 is fixed with symmetrically arranged valve first wrench 1011 and valve second wrench 1012 through a connecting rod 1015.

[0082] The drilling extraction pipeline valve 101 is a straight-through mechanical valve, the market price is about 20 yuan, and no additional control element is needed, compared with the explosion-proof electric tee valve and the mechanical tee valve, has the advantages of small size, light weight and low cost.

[0083] The drilling extraction pipeline valve 101 has three conduction states, specifically referring to Figure 8-9 When the valve first wrench 1011 is inclined downward, the included angle between the valve first wrench 1011 and the axis of the valve body 1013 is θ angle, and 0° < θ < 90°, the drilling extraction pipeline valve 101 is in a completely open state, and is in an initial state; referring to Figure 12-13 When the valve first wrench 1011 is counterclockwise rotated by Φ angle, the valve core 1014 is counterclockwise rotated by Φ angle, and 0° < Φ < 90°, the drilling extraction pipeline valve 101 is in a Φ angle opening state; referring to Figure 10-11 When the valve first wrench 1011 is counterclockwise rotated by 90°, the drilling extraction pipeline valve 101 is in a completely closed state.

[0084] The automatic detection device of the extraction drilling hole further comprises a valve control assembly for controlling the conduction state of the valve, and the valve control assembly is arranged on the pushing mechanism and moves along the track 2 together with the pushing mechanism.

[0085] With reference to Figure 6 and Figure 7 , the valve control assembly mainly comprises a first push rod 2021 and a second push rod 2022, and the first push rod 2021 and the second push rod 2022 are respectively fixed above the pushing mechanism. When the first push rod 2021 is located below the valve first wrench 1011 and the second push rod 2022 is located below the valve second wrench 1012, the first push rod 2021 or the second push rod 2022 is extended to push the valve first wrench 1011 or the valve second wrench 1012 respectively to drive the valve core 1014 to rotate, change the gas flow passage volume formed by the through hole 10141 of the valve core 1014 and the internal through hole of the valve body, realize the switching of the conduction state of the drilling hole extraction pipe valve 101, and thus realize the opening adjustment of the drilling hole extraction pipe 11.

[0086] With reference to Figure 1-3 , the pushing mechanism comprises a moving platform 201 and a moving control system, and the moving control system is used to drive the moving platform 201 to reciprocate along the track 2. The moving platform 201 comprises a moving platform pulley 2011, a moving platform vehicle body 2012 and a moving platform supporting plate 2013. A plurality of moving platform pulleys 2011 are arranged below the moving platform vehicle body 2012, and the moving platform pulleys 2011 are slidably connected with the track 2. The moving platform supporting plate 2013 is fixed above the moving platform vehicle body 2012.

[0087] The moving platform 201 is further provided with a proximity switch 2032 and a proximity switch support 2031. The proximity switch support 2031 is fixed above the moving platform supporting plate 2013 of the moving platform 201, and the proximity switch 2032 is fixed at the top end of the proximity switch support 2031. A proximity switch identification rod 2033 is arranged on each drilling hole extraction pipe 11, and the proximity switch 2032 identifies the proximity switch identification rod 2033.

[0088] With reference to Figure 1 , the moving control system comprises a first traction steel wire rope 2014, a first steel wire rope winch 2015, a second traction steel wire rope 2016 and a second steel wire rope winch 2017. The first traction steel wire rope 2014 is wound on the first steel wire rope winch 2015, and one end of the first traction steel wire rope 2014 is fixed with the moving platform 201. The second traction steel wire rope 2016 is wound on the second steel wire rope winch 2017, and the other end of the second traction steel wire rope 2016 is fixed with the moving platform 201. The first steel wire rope winch 2015 and the second steel wire rope winch 2017 are respectively located outside the front and rear ends of the track 2.

[0089] Referring to Figure 1 , Figure 3 and Figure 4 , the track 2 is fixed outside the unit extraction pipe 1 in parallel through a plurality of pipe clamps 21 and a plurality of track fixing frames 22, the plurality of pipe clamps 21 are fixed outside the unit extraction pipe 1 in a spaced sleeve manner, each pipe clamp 21 is provided with a track fixing frame 22, and the track fixing frame 22 is fixed to the lower surface of the track 2. The track 2 is fixed together with the unit extraction pipe 1, which has the advantages of convenient installation and easy guarantee of parallelism between the track 2 and the unit extraction pipe 1.

[0090] Example two

[0091] The detection method of the automatic detection device for extraction boreholes is realized by using the automatic detection device for extraction boreholes described in Example One, and includes the following steps:

[0092] Step one: connect each borehole sealing pipe with the borehole extraction pipe 11, and the initial state of each borehole extraction pipe valve 101 is fully open;

[0093] Step two: when it is necessary to detect the gas parameters of a borehole, the pushing mechanism is moved to the front of the corresponding borehole;

[0094] Step three: the detection device completes the detection of the gas parameters of the borehole;

[0095] Step four: according to the interval of the detected gas parameters, the opening of the borehole extraction pipe valve 101 is adjusted by using the valve control assembly, if it is judged that the gas parameters are in the borehole leakage and hole collapse interval, the borehole extraction pipe valve 101 is adjusted to the fully closed state by the valve control assembly; if it is judged that the gas parameters are in the interval in which the negative pressure can be reduced, the borehole extraction pipe valve 101 is adjusted to the corresponding Φ angle opening state according to the interval value of the gas parameters;

[0096] Step five: after the detection of the borehole and the adjustment of the valve are completed, the pushing mechanism is controlled to continue moving along the track 2;

[0097] Step six: repeat steps two to five to complete the detection of the gas parameters and the adjustment of the valves of other boreholes.

[0098] Example three

[0099] Referring to Figure 2 , the automatic detection and control system for extraction boreholes includes the automatic detection device for extraction boreholes described in Example One and a data transmission and control system, the data transmission and control system is used to control the actions of the pushing mechanism, the valve control assembly and the detection device, and obtain the gas parameters of the borehole extraction pipe 11 measured by the detection device.

[0100] The data transmission and control system comprises a wireless communication base station 300, a downhole control cabinet 301, a downhole network switch 302, a downhole ring network 303, an uphole network switch 304 and an upper computer 305.

[0101] The wireless communication base station 300, the downhole control cabinet 301, the downhole network switch 302, the downhole ring network 303, the uphole network switch 304 and the upper computer 305 are sequentially and communicatively connected, the downhole control cabinet 301 is electrically connected with the mobile control system, and the wireless communication base station 300 is wirelessly connected with the mobile platform 201.

[0102] In the present application, the mobile platform 201 is provided with a power supply 2071 and a wireless communication and control module 2072, and the power supply 2071 supplies power to the first push rod 2021, the second push rod 2022, the proximity switch 2032, the detection probe slider driving motor 2044, the detection probe collecting device 206 and the wireless communication and control module 2072.

[0103] The wireless communication and control module 2072 is electrically connected with the first push rod 2021, the second push rod 2022, the proximity switch 2032, the detection probe slider driving motor 2044 and the detection probe collecting device 206. The wireless communication and control module 2072 is wirelessly connected with the wireless communication base station 300, and the communication between the first push rod 2021, the second push rod 2022, the proximity switch 2032, the detection probe slider driving motor 2044, the detection probe collecting device 206 and the downhole control cabinet 301 is realized through the communication between the wireless communication base station 300 and the downhole control cabinet 301.

[0104] Preferably, the power supply 2071 is a mine battery, and the first push rod 2021 and the second push rod 2022 are mine servo electric cylinders YHX40 series.

[0105] Embodiment four

[0106] The control method of the automatic control system of the extraction drilling hole is realized by using the automatic control system of the extraction drilling hole in embodiment three, and comprises the following steps.

[0107] Step one: connecting each drilling hole sealing pipe with the drilling hole extraction pipe 11, and the initial state of each drilling hole extraction pipe valve 101 is completely open;

[0108] Step two: sending the instruction of detecting a certain drilling hole to the downhole control cabinet 301 through the built-in program or manual input of the upper computer 305, and the downhole control cabinet 301 sends the instruction to control the pushing mechanism to move to the front of the corresponding drilling hole;

[0109] Step three: the downhole control cabinet 301 controls the probe driving assembly 204 to drive the probe assembly 205 to move to one side of the borehole extraction pipe 11, and the detection probe collecting device 206 completes the detection of the gas parameters of the borehole;

[0110] Step four: the gas parameter data detected by the detection probe collecting device 206 is uploaded to the upper computer 305 through wireless communication and the control module 2072 and the data transmission and control system, and the interval in which the current gas parameters of the borehole are located is judged through the upper computer 305; if it is judged that the gas parameters are in the borehole gas leakage and hole collapse interval, the borehole extraction pipe valve 101 is adjusted to a completely closed state through the valve control assembly; if it is judged that the gas parameters are in an interval in which the negative pressure can be reduced, the borehole extraction pipe valve 101 is adjusted to a corresponding Φ angle opening state according to the interval value in which the gas parameters are located;

[0111] Step five: after the detection of the borehole and the adjustment of the valve are completed, the control pushing mechanism continues to move along the track 2;

[0112] Step six: steps two to five are repeated to complete the detection of the gas parameters of other boreholes and the adjustment of the valves.

[0113] In the present application, (1) the flow of the gas parameter detection is:

[0114] When the detection probe 2051 is located in front of the borehole extraction pipe sampling port 1021, the detection probe 2051 and the borehole extraction pipe sampling port 1021 are approximately coaxial;

[0115] The control probe driving assembly 204 drives the probe assembly 205 to move to the borehole extraction pipe sampling port 1021, and under the auxiliary guidance of the borehole extraction pipe sampling port auxiliary 1022, passes through the borehole extraction pipe sampling port auxiliary 1022 and the borehole extraction pipe sampling port 1021, and under the guidance of the two, the detection probe 2051 pushes the one-way valve body 1023 to compress the one-way valve spring 1024 to move to the hollow shell inside the borehole extraction pipe sampling interface assembly 102;

[0116] Referring to Figure 4 At the same time that the detection probe 2051 and the detection probe gas guide hole 2052 move to the inside of the hollow shell of the borehole extraction pipe sampling interface assembly 102, the detection probe sealing plug 2053 tightly fits the borehole extraction pipe sampling port 1021 and the borehole extraction pipe sampling port auxiliary 1022, achieving a sealing effect; at this time, the inside of the borehole extraction pipe sampling interface assembly 102 is in communication with the detection probe collecting device 206 through the detection probe gas guide hole 2052, the detection probe adapter 2054 and the flexible pipe group 2061, and then the gas parameters flowing through the borehole extraction pipe sampling interface assembly 102 are measured through the detection probe collecting device 206, realizing the detection of the gas parameters of the borehole extraction pipe 11;

[0117] After the detection is completed, the probe assembly 205 is moved to the right by the detection probe holder 2045 to reset; the one-way valve body 1023 is reset under the push of the one-way valve spring 1024;

[0118] (2) Mobile platform positioning process:

[0119] The mobile platform 201 moves along the track 2. When the proximity switch 2032 moves to the front of the proximity switch marker rod 2033, the proximity switch 2032 is turned on and sends a signal to the wireless communication and control module 2072. The wireless communication and control module 2072 transmits the signal to the underground control cabinet 301 through the wireless communication base station 300. The underground control cabinet 301 controls the first steel wire rope winch 2015 and the second steel wire rope winch 2017 to stop, and the mobile platform 201 stops moving. At this time, the first push rod 2021 and the second push rod 2022 are located below the valve first wrench 1011 and the valve second wrench 1012 respectively, and the detection probe 2051 is located in front of the drilling extraction pipeline sampling port 1021.

[0120] (3) Adjustment of the on state of the drilling extraction pipe valve 101:

[0121] Reference Figure 6-7 Taking the push rod of the first push rod 2021 pushing the valve first wrench 1011 as an example, the corresponding relationship between the extension length L of the push rod of the first push rod 2021 and the on state of the drilling extraction pipe valve 101 can be obtained by test measurement (by measuring the on state of the drilling extraction pipe valve 101 and the angle Φ when the push rod of the first push rod 2021 has different extension lengths L, and establishing a database or fitting a related calculation model in the upper computer 305) or approximately calculated by the following calculation model: (L-h)cosθ+(L-h)sinθ / tanΦ=l, wherein L is the extension length of the push rod of the first push rod 2021, m; h is the height difference between the top end of the first push rod 2021 and the bottom end of the valve first wrench 1011 when the first push rod 2021 is in the initial state, i.e. the extension length L is 0 m, m; l is the distance between the end of the valve first wrench 1011 or the end of the valve second wrench 1012 and the rotation center O, m;

[0122] (4) Data transmission process:

[0123] The wireless communication and control module 2072 is in wireless communication with the wireless communication base station 300, and the wireless communication base station 300, the downhole control cabinet 301, the downhole network switch 302, the downhole ring network 303, the uphole network switch 304 and the host computer 305 are sequentially connected in communication; the downhole control cabinet 301 is electrically connected with the first steel wire rope winch 2015 and the second steel wire rope winch 2017; the downhole control cabinet 301 judges the current drilling hole number of the mobile platform 201 by recording the moving direction of the mobile platform 201 and the switch number of the proximity switch 2032;

[0124] Among them, since the roadway is long (about 1000m), the wireless communication base station 300 can be arranged in multiple along the roadway trend, and the multiple wireless communication base stations 300 are electrically connected in communication.

[0125] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical solution and the inventive concept of the present application, within the technical range disclosed by the present application, any equivalent replacement or change, should be covered within the protection scope of the present application.

Claims

1. A detection method of an automatic detection device for extraction drilling, which is realized by using an automatic detection device for extraction drilling, wherein the automatic detection device for extraction drilling comprises a unit extraction pipe, a plurality of drilling extraction pipes, drilling extraction pipe valves, drilling extraction pipe sampling interface assemblies, a track, a pushing mechanism and a detection device; the unit extraction pipe is connected with the plurality of drilling extraction pipes; each drilling extraction pipe is connected with a drilling extraction pipe valve with adjustable opening degree and a drilling extraction pipe sampling interface assembly; a track is fixed on one side of the unit extraction pipe; the detection device is arranged on the pushing mechanism and slides along the track together with the pushing mechanism; the detection device is used to measure the gas parameters flowing through the drilling extraction pipe sampling interface assembly, so as to realize the detection of the gas parameters of the drilling extraction pipe; The method comprises the following steps: characterized in that Step 1: connecting each drilling hole sealing pipe with the drilling extraction pipe, and the initial state of each drilling extraction pipe valve is fully open; Step 2: when the gas parameters of a drilling hole need to be detected, the pushing mechanism is moved to the front of the corresponding drilling hole; Step 3: the detection device completes the detection of the gas parameters of the drilling hole; Step 4: according to the interval of the detected gas parameters, the opening degree of the drilling extraction pipe valve is adjusted by using a valve control assembly; if it is judged that the gas parameters are in the interval of drilling hole gas leakage and hole collapse, the drilling extraction pipe valve is adjusted to a fully closed state by the valve control assembly; if it is judged that the gas parameters are in the interval of reducing negative pressure, the drilling extraction pipe valve is adjusted to a corresponding Φ angle opening degree state according to the interval value of the gas parameters; Step 5: after the detection of the drilling hole and the adjustment of the valve are completed, the pushing mechanism is controlled to continue moving along the track; Step 6: steps 2-5 are repeated to complete the detection of the gas parameters and the adjustment of the valve of each drilling hole. The detection device comprises a probe driving assembly, a probe assembly and a detection probe acquisition device; the probe driving assembly is fixed on the pushing mechanism; the probe driving assembly is connected with the probe assembly and is used to drive the probe assembly to move; the probe assembly corresponds to the position of the drilling extraction pipe sampling interface assembly; the probe assembly is additionally connected with the detection probe acquisition device, and the detection probe acquisition device is used to measure the gas parameters flowing through the probe assembly.

2. The method of claim 1, wherein, The probe driving assembly comprises a detection probe sliding rail, a detection probe sliding block, a detection probe sliding rail screw, a detection probe sliding block driving motor and a detection probe holder; the detection probe sliding rail is fixed at the top end of the detection device support; the detection probe sliding block driving motor is arranged on the detection probe sliding rail; the detection probe sliding rail screw is arranged on the detection probe sliding block driving motor; the detection probe sliding block is arranged on the detection probe sliding rail screw; the detection probe holder is fixed on the detection probe sliding block; the probe assembly is clamped on the detection probe holder; the detection probe acquisition device is fixed on the detection device support and is located below the probe driving assembly; the probe assembly is connected with the probe assembly through a flexible pipe group.

3. The method of claim 2, wherein the method comprises: ​ The detection probe slider driving motor drives the detection probe sliding rail screw to rotate, thereby driving the detection probe slider to reciprocate along the detection probe sliding rail, and the detection probe slider drives the detection probe holder and the probe assembly to reciprocate, thereby controlling the probe assembly to enter or move out of the borehole extraction pipeline sampling interface assembly, and the probe assembly sends the detected data to the detection probe collection device.

4. The method of claim 2, wherein the method comprises: The probe assembly comprises a detection probe, a detection probe air guide hole, a detection probe sealing plug and a detection probe adapter, the detection probe is clamped on the detection probe holder in the horizontal direction, a plurality of detection probe air guide holes are arranged on the detection probe, a detection probe sealing plug is arranged on the detection probe, and a detection probe adapter is further arranged on the detection probe and used for being connected with the flexible pipe group.

5. The method of claim 1, wherein the method comprises: The borehole extraction pipeline sampling interface assembly comprises a hollow shell, a borehole extraction pipeline sampling port and a one-way valve assembly, the borehole extraction pipeline is divided into two sections, the upper and lower ends of the hollow shell are connected with the two sections of the borehole extraction pipeline respectively, the outer wall of the hollow shell is provided with the borehole extraction pipeline sampling port, and the one-way valve assembly is arranged in the hollow shell and used for controlling the opening and closing of the borehole extraction pipeline sampling port.

6. The method of claim 5, wherein the method comprises: The one-way valve assembly comprises a one-way valve body, a one-way valve spring, a one-way valve body fixed telescopic rod body and a one-way valve body fixed telescopic cylinder body, the one-way valve body fixed telescopic cylinder body is fixed on the pipe body at the end far from the borehole extraction pipeline sampling port, the one-way valve body fixed telescopic rod body is arranged at the front end of the one-way valve body fixed telescopic cylinder body, the front end of the one-way valve body fixed telescopic rod body is provided with the one-way valve body, the one-way valve body fixed telescopic rod body can slide along the one-way valve body fixed telescopic cylinder body, and the one-way valve spring is fixed between the one-way valve body and the one-way valve body fixed telescopic cylinder body; the position of the one-way valve body corresponds to the opening position of the borehole extraction pipeline sampling port; in the undetected state, the one-way valve body is tightly attached to the borehole extraction pipeline sampling port under the action of the one-way valve spring, thereby realizing the sealing of the borehole extraction pipeline sampling port.

7. The method of claim 5, wherein the method comprises: A borehole extraction pipeline sampling port auxiliary member is connected at the port of the borehole extraction pipeline sampling port.

8. The method of claim 1, wherein, The borehole extraction pipeline valve comprises an internally hollow valve body, a valve core rotatable relative to the valve body is arranged in the valve body, a through hole is arranged in the valve core, and symmetrically arranged valve first and second wrenches are fixed to the outer side of the valve core through a connecting rod.

9. The method of claim 8, wherein, The borehole extraction pipeline valve has three conduction states, specifically: when the valve first wrench is obliquely downward, the included angle between the valve first wrench and the valve body axis is θ angle, and 0°<θ<90°, the borehole extraction pipeline valve is in a completely open state, and is in an initial state; when the valve first wrench is counterclockwise rotated by Φ angle, the valve core is counterclockwise rotated by Φ angle, and 0°<Φ<90°, the borehole extraction pipeline valve is in a Φ angle opening state; when the valve first wrench is counterclockwise rotated by 90°, the borehole extraction pipeline valve is in a completely closed state.

10. The method of claim 1, wherein, The automatic detection device for the extraction borehole further comprises a valve control assembly for controlling the valve conduction state, and the valve control assembly is arranged on the pushing mechanism and moves along the track together with the pushing mechanism.

11. The method of claim 10, wherein the method comprises: The valve control assembly mainly comprises a first push rod and a second push rod, which are fixed above the pushing mechanism. When the first push rod is below the first wrench of the valve and the second push rod is below the second wrench of the valve, the first push rod or the second push rod is extended to push the first wrench or the second wrench of the valve respectively to drive the valve core to rotate, so as to realize the switching of the conducting state of the valve of the drilling extraction pipe and the adjustment of the opening of the drilling extraction pipe.

12. The method of claim 1, wherein, The pushing mechanism comprises a moving platform and a moving control system. The moving control system is used to drive the moving platform to reciprocate along the track. The moving platform comprises a moving platform pulley, a moving platform vehicle body and a moving platform supporting plate. The moving platform vehicle body is provided below with a plurality of moving platform pulleys which are slidably connected with the track. The moving platform vehicle body is provided above with the moving platform supporting plate.

13. The method of claim 12, wherein the method further comprises: The moving platform is further provided with a proximity switch and a proximity switch support. The proximity switch support is fixed above the moving platform supporting plate of the moving platform. The proximity switch support is provided at the top end with the proximity switch. Each drilling extraction pipe is provided with a proximity switch identification rod. The proximity switch identifies the proximity switch identification rod.

14. The method of claim 12, wherein the method further comprises: The moving control system comprises a first traction steel wire rope, a first steel wire rope winch, a second traction steel wire rope and a second steel wire rope winch. The first steel wire rope winch is wound with the first traction steel wire rope which is fixed at one end of the moving platform. The second steel wire rope winch is wound with the second traction steel wire rope which is fixed at the other end of the moving platform. The first steel wire rope winch and the second steel wire rope winch are respectively located at the outer side of the front and rear ends of the track.

15. The method of claim 1, wherein, The track is fixed in parallel outside the unit extraction pipe through a plurality of pipe clamps and a plurality of track fixing frames. The plurality of pipe clamps are fixed in a spaced manner outside the unit extraction pipe. Each pipe clamp is provided with the track fixing frame which is fixed above the lower surface of the track.

16. A control method of an automatic extraction drilling control system, which is realized by using the automatic extraction drilling control system, wherein the automatic extraction drilling control system comprises a detection method of the automatic extraction drilling detection device and a data transmission and control assembly according to claim 1; The data transmission and control assembly is used to control the pushing mechanism, the detection device and the valve control assembly of the automatic extraction drilling detection device and to obtain the drilling extraction pipe gas parameters measured by the detection device. The data transmission and control system comprises a wireless communication base station, a downhole control cabinet, a downhole network switch, a downhole ring network, an uphole network switch and an upper computer. The wireless communication base station, the downhole control cabinet, the downhole network switch, the downhole ring network, the uphole network switch and the upper computer are sequentially connected in communication. The downhole control cabinet is electrically connected with the moving control device. The wireless communication base station is wirelessly communicated with the moving platform. characterized in that The method comprises the following steps: Step one: connecting each drilling sealing pipe with the drilling extraction pipe. The initial state of each drilling extraction pipe valve is completely opened. Step two: the host computer sends the instruction of detecting a certain borehole to the downhole control cabinet through the built-in program or manual input, and the downhole control cabinet sends the instruction to control the pushing mechanism to move to the front of the corresponding borehole; Step three: the downhole control cabinet controls the probe driving assembly to drive the probe assembly to move to one side of the borehole extraction pipe, and the detection probe collecting device completes the detection of the gas parameters of the borehole; Step four: the data of the gas parameters of the borehole detected by the detection probe collecting device is uploaded to the host computer through wireless communication with the control module and the data transmission and control system, and the host computer judges the interval of the current gas parameters of the borehole; if the gas parameters are in the interval of borehole gas leakage and hole collapse, the valve control assembly adjusts the borehole extraction pipe valve to a completely closed state; if the gas parameters are in the interval of reducing negative pressure, the borehole extraction pipe valve is adjusted to the corresponding Φ angle opening state according to the interval value of the gas parameters; Step five: after completing the detection and valve adjustment of the borehole, the pushing mechanism continues to move along the track; Step six: repeat steps two to five to complete the detection and valve adjustment of the gas parameters of other boreholes.

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