Device and method for measuring drilling state of drilling machine

Abstract

The invention discloses a drilling machine drilling state measuring device which comprises a while-drilling signal acquisition system, and the while-drilling signal acquisition system is sequentially connected with a while-drilling signal wireless transmission system and a drilling state inversion system. The real-time drilling track and the coal rock characteristics are obtained through inversion, and the construction track and the coal rock characteristics of the gas extraction hole are accurately mastered; the invention further discloses a method for measuring the drilling state of the drilling machine. The method comprises the following steps that 1, the installation position of the wireless base station is determined; step 2, constructing a drill hole, acquiring data by the while-drilling track measurement probe, and transmitting the data to a drilling state inversion system through a tail braid joint; 3, a relay transmission drill rod is added till drilling is finished; 4, transferring the drilling machine to construct a new drill hole; the method does not depend on experience of workers, the drilling track and coal rock characteristics in the gas extraction drilling process of the drilling machine are accurately mastered, and the problem that the mine drilling track cannot be measured is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of drilling, and in particular relates to a drilling state measuring device for a drilling rig, and also relates to a method for measuring the drilling state by using the drilling state measuring device. Background Art

[0002] Underground drilling in coal mines is an important means to ensure coal mine construction and safe production. It mainly prevents gas outbursts, floor water inrush, mine pressure impact and other disasters by accurately constructing various types of boreholes in coal seams or rock formations to ensure mine production safety. Therefore, the drilling quality of the borehole directly determines the disaster prevention and control effect of the working face. However, the rotary drilling technology of ordinary drilling rigs commonly used underground currently relies heavily on the experience of staff for drilling design and construction. The drilling trajectory of ordinary drilling rigs is unpredictable during construction, and there are problems such as low construction accuracy, small drilling depth, and a lot of invalid footage. It cannot meet the requirements of mine gas extraction, resulting in insufficient mine disaster prevention and control capabilities. Summary of the invention

[0003] The first purpose of the present invention is to provide a drilling state measuring device for a drilling rig, which solves the problem in the prior art that the drilling trajectory of an ordinary drilling rig during the construction process cannot be measured.

[0004] A second object of the present invention is to provide a method for measuring the drilling status of a drilling rig.

[0005] The first technical solution adopted by the present invention is a drilling state measuring device for a drilling rig, which includes a drilling signal acquisition system, which is sequentially connected to a drilling signal wireless transmission system and a drilling state inversion system.

[0006] The first technical solution of the present invention is also characterized in that: The downhole signal acquisition system is specifically a downhole trajectory measurement probe. The wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal transfer tail pigtail. The signal transfer tail pigtail is wirelessly connected to the wireless base station. The wireless base station is set within 1m-50m from the drilling rig and connected to the mine industrial ring network. The wireless base station is connected to the drilling state inversion system through the mine industrial ring network.

[0007] The drilling status inversion system consists of a signal input module, a drilling trajectory inversion module, a coal and rock feature inversion module, and a drilling status three-dimensional display module.

[0008] One end of the while drilling trajectory measurement probe is a probe male head, and the other end of the while drilling trajectory measurement probe is a probe female head. The body of the while drilling trajectory measurement probe is integrated with a monitoring unit, a data processing output unit, a probe power supply unit, and a probe output electromagnetic coil. The probe output electromagnetic coil is connected to the data processing output unit through the probe output electromagnetic coil lead. The probe output electromagnetic coil is arranged on a probe female head coil base. The probe female head coil base is installed at the end of the probe female head inner cavity. The probe female head is connected to the relay transmission drill rod, and the probe power supply unit is respectively connected to the monitoring unit and the data processing output unit.

[0009] The probe power supply unit includes a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit is respectively connected to the monitoring unit and the data processing output unit through the probe power management chip; the monitoring unit includes a three-axis acceleration sensor, a three-axis magnetoresistance sensor, a gyroscope, and a vibration sensor; the data processing output unit includes a microprocessor, a storage, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistance sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil through the modulation and demodulation circuit.

[0010] The relay transmission drill rod comprises a relay drill rod, one end of which is a relay drill rod male head, and the other end of which is a relay drill rod female head. The relay drill rod male head is matched and connected with the probe female head, and the relay drill rod female head is connected with the signal transfer pigtail.

[0011] The relay drill rod is internally integrated with a drill rod input electromagnetic coil, a transmission drill rod power supply unit, a relay operational amplifier unit, and a drill rod output electromagnetic coil. The drill rod input electromagnetic coil and the probe tube output electromagnetic coil together constitute an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil is arranged on the relay drill rod male head coil base, and the relay drill rod male head coil base is installed at the inner cavity end of the relay drill rod male head. The drill rod input electromagnetic coil and the relay operational amplifier unit are connected through the drill rod input electromagnetic coil lead, the transmission drill rod power supply unit is connected to the relay operational amplifier unit, the relay operational amplifier unit and the drill rod output electromagnetic coil are connected through the drill rod output electromagnetic coil lead, and the drill rod output electromagnetic coil is arranged on the relay drill rod female head coil base, and the relay drill rod female head coil base is installed at the inner cavity end of the relay drill rod female head.

[0012] The transmission drill rod power supply unit includes a transmission drill rod power management chip, a transmission drill rod lithium battery, and a transmission drill rod wireless charging module. The transmission drill rod lithium battery and the transmission drill rod wireless charging module are respectively connected to the transmission drill rod power management chip. The transmission drill rod power supply unit is connected to the relay operational amplifier unit through the transmission drill rod power management chip. The relay operational amplifier unit includes a transmission drill rod signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill rod signal modulation chip, the input end of the filter is connected to the drill rod input electromagnetic coil, the input end of the operational amplifier is connected to the transmission drill rod signal modulation chip, and the output end of the operational amplifier is connected to the drill rod output electromagnetic coil.

[0013] The signal transfer tail braid includes a tail braid connector, the head end of the tail braid connector is matched and connected with the female head of the relay drill pipe, the tail braid input electromagnetic coil, the signal modulation chip, the wifi module, the antenna, and the tail braid power supply unit are integrated inside the tail braid connector, the tail braid input electromagnetic coil and the drill pipe output electromagnetic coil together constitute an electromagnetic mutual inductance coil, the tail braid input electromagnetic coil is arranged on the tail braid input electromagnetic coil base, the tail braid input electromagnetic coil base is installed at the end of the inner cavity of the tail braid connector, the tail braid input electromagnetic coil and the signal modulation chip are connected through the tail braid input electromagnetic coil lead, the signal modulation chip is also connected to the wifi module and the tail braid power supply unit respectively, the wifi module is also connected to the antenna, and the wifi module is wirelessly connected to the wireless base station through the antenna.

[0014] The tail braid power supply unit includes a tail braid power management chip, a tail braid lithium battery, and a tail braid wireless charging module. The tail braid lithium battery and the tail braid wireless charging module are respectively connected to the tail braid power management chip, and the tail braid power management chip is also respectively connected to the signal modulation chip and the wifi module.

[0015] The material of the probe output electromagnetic coil, drill pipe input electromagnetic coil, drill pipe output electromagnetic coil and tail pigtail input electromagnetic coil is iron-based nanocrystalline alloy, the number of coil turns is 600 turns, the output voltage is 3V, and the resonant frequency is 120kHz.

[0016] The interior of the measurement while drilling probe, relay drill pipe and pigtail joint are filled with resin and completely sealed.

[0017] The second technical solution adopted by the present invention is a drilling state measurement method of a drilling rig, which uses the above-mentioned drilling state measurement device to perform measurement, and the specific steps are as follows: Step 1: Determine the installation location of the wireless base station underground, select an installation point within 50m backward by drilling construction, then connect the wireless base station to the mine industrial ring network and test the data transmission stability.

[0018] Step 2: Drill a hole, connect the drill bit to the downhole trajectory measurement probe, then connect the relay drill pipe and pigtail joint in sequence to start drilling construction. During the construction process, the downhole trajectory measurement probe continuously collects attitude angle data, azimuth data, velocity data, acceleration data, horizontal data, position data, vibration amplitude data, vibration energy data, vibration frequency data, and vibration time data during the drilling construction process, and transmits the data to the drilling state inversion system located above the well through the relay drill pipe and pigtail joint via the mine industrial ring network.

[0019] Step 3: As the drilling continues to go deeper, continue to add relay drill rods between the LWD probe and the pigtail joint until all relay drill rods and LWD probes are removed after the drilling is completed.

[0020] Step 4: Move the drilling rig and construct a new borehole. If the construction location is within 50m of the wireless base station installation point, repeat steps 2 to 3. If it is beyond 50m, repeat steps 1 to 3.

[0021] The beneficial effects of the present invention are: The first technical solution of the present invention is a drilling status measurement device for a drilling rig, which collects the actual drilling trajectory data and vibration parameters in real time during the drilling construction process through a downhole signal acquisition system, and then transmits them to a real-time inversion system for the drilling status through a downhole signal wireless transmission system. The real-time trajectory of the drilling hole and the coal-rock characteristics are obtained by inversion, and the construction trajectory and coal-rock characteristics of the gas extraction hole can be accurately grasped.

[0022] The second technical solution of the present invention is a method for measuring the drilling status of a drilling rig. This method utilizes a drilling status measuring device to construct drilling holes. This method does not rely on the experience of the staff and can accurately grasp the drilling trajectory and coal rock characteristics of the gas extraction drilling process of the drilling rig. This effectively solves the problem that the drilling trajectory of the mine is unmeasurable, resulting in low construction accuracy, small drilling depth, and a lot of invalid footage. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of data transmission in the drilling state measuring device of the drilling rig of the present invention; Figure 2 It is a schematic diagram of the structural connection of a drilling trajectory measurement probe, a relay drill pipe and a pigtail joint in a drilling status measurement device for a drilling rig according to the present invention; Figure 3 It is a schematic diagram of the drilling state measuring device of the drilling rig of the present invention; Figure 4 It is a schematic diagram of a drilling signal acquisition system in a drilling state measurement device of a drilling rig of the present invention; Figure 5 It is a schematic diagram of the internal module connection of the drilling signal acquisition system in the drilling state measurement device of the drilling rig of the present invention; Figure 6 It is a schematic diagram of a wireless transmission system of drilling signal in a drilling status measuring device of a drilling rig according to the present invention; Figure 7 It is a schematic diagram of the connection of the internal modules of the drilling state measuring device of the drilling rig of the present invention for relaying the drilling rod; Figure 8 It is a schematic diagram of data signal transmission in the drilling state measuring device of the drilling rig of the present invention; Fig. 9 It is a schematic diagram of the internal module connections of the signal transfer tail in the drilling state measuring device of the drilling rig of the present invention.

[0024] In the figure, 1. MWD probe, 1-1. probe male head, 1-2. probe female head, 1-3. probe female head coil base; 2. Monitoring unit, 3. Probe power supply unit, 4. Data processing output unit; 5. Probe output electromagnetic coil, 5-1. Probe output electromagnetic coil lead wire; 6. Relay drill pipe, 6-1. Relay drill pipe male head, 6-2. Relay drill pipe female head, 6-3. Relay drill pipe male head coil base, 6-4. Relay drill pipe female head coil base; 7. Drill pipe input electromagnetic coil, 7-1. Drill pipe input electromagnetic coil lead wire; 8. Transmission drill pipe power supply unit, 9. Relay amplifier unit; 10. Drill pipe output electromagnetic coil, 10-1. Drill pipe output electromagnetic coil lead wire; 11. Pigtail connector, 11-1. Pigtail input solenoid coil base; 12. Pigtail input electromagnetic coil, 12-1. Pigtail input electromagnetic coil lead wire; 13. Signal modulation chip, 14. Wi-Fi module, 15. Antenna, 16. Pigtail power supply unit, 17. Wireless base station, 18. Mine industrial ring network, 19. Drilling state inversion system. DETAILED DESCRIPTION

[0025] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] The first technical solution provided by the present invention is a drilling state measuring device for a drilling rig, such as Figure 1 and Figure 2As shown, it includes a drilling signal acquisition system, which is connected to a drilling signal wireless transmission system and a drilling state inversion system 19 in sequence, wherein the drilling signal acquisition system is mainly used to collect the actual drilling trajectory data and coal rock characteristics in real time during the drilling construction process, and convert the collected analog signals into digital signals for storage, and convert them into electrical signals for transmission. The drilling signal wireless transmission system is mainly used to transmit the electrical signals output by the drilling signal acquisition system to the drilling state real-time inversion system in real time. The drilling state inversion system is mainly used to process and analyze various types of data collected during the drilling process, invert the actual drilling trajectory, drilling state, coal rock characteristics and other parameters of the borehole in real time, and perform three-dimensional visualization. The drilling trajectory data and vibration parameters during the drilling construction process are collected in real time through the drilling signal acquisition system, and then transmitted to the drilling state real-time inversion system through the drilling signal wireless transmission system. The real-time trajectory of the borehole and the coal rock characteristics are inverted, which can accurately grasp the construction trajectory and coal rock characteristics of the gas extraction hole.

[0027] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, which is mainly used to collect data such as coal and rock characteristics, actual drilling trajectory, etc. in real time during the drilling construction process, and convert the collected analog signals into digital signals for storage, and convert them into electrical signals for electromagnetic induction output.

[0028] The wireless transmission system includes a relay transmission drill rod, which enhances the electromagnetic signal of the electromagnetic induction input and performs electromagnetic induction output, that is, the relay transmission drill rod amplifies and outputs the electromagnetic induction signal output by the while drilling trajectory measurement probe 1 with fidelity. There are several relay transmission drill rods connected end to end, one end of the relay transmission drill rods connected end to end is connected to the drilling trajectory measurement probe 1, and the other end of the relay transmission drill rods connected end to end is connected to the signal switching tail pigtail, the signal switching tail pigtail demodulates and forwards the electromagnetic induction input, and outputs it through a wifi signal, that is, the signal switching tail pigtail converts the electromagnetic induction signal transmitted by the relay transmission drill rod into a wireless signal and sends it to the wireless base station 17, the signal switching tail pigtail is wirelessly connected to the wireless base station 17, the wireless base station 17 converts the wireless signal received in real time into an electrical signal, and transmits it to the drilling state inversion system 19 through the mine industrial ring network 18, the wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18, and the wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0029] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0030] The signal input module inputs the data collected by the drilling signal acquisition system and classifies the data; the classification types of the data include attitude angle data, azimuth data, velocity data, acceleration data, horizontal data, position data, vibration amplitude data, vibration energy data, vibration frequency data, and vibration time data; the drilling trajectory inversion module calls the attitude angle data, azimuth data, velocity data, acceleration data, horizontal data, and position data classified by the signal input module, and inverts the real-time trajectory of the borehole; the coal-rock characteristic inversion module calls the vibration parameters such as amplitude, frequency, energy, and time classified by the signal input module, and inverts the coal-rock characteristics of the drilling position through the vibration parameters; the drilling status three-dimensional display module draws the construction trajectory of the borehole and the three-dimensional dynamic change diagram of the coal-rock characteristics in real time according to the real-time trajectory of the borehole and the coal-rock characteristics inverted by the drilling trajectory inversion module and the coal-rock characteristic inversion module.

[0031] The drilling trajectory measurement probe 1, such as Figure 3 and Figure 4 As shown, one end of the while drilling trajectory measurement probe 1 is a probe male head 1-1, and the other end of the while drilling trajectory measurement probe 1 is a probe female head 1-2. The inside of the tube body of the while drilling trajectory measurement probe 1 is integrated with a monitoring unit 2, a data processing output unit 4, a probe power supply unit 3, and a probe output electromagnetic coil 5. The probe output electromagnetic coil 5 is connected to the data processing output unit 4 through a probe output electromagnetic coil lead 5-1. The probe output electromagnetic coil 5 is arranged on a probe female head coil base 1-3. The probe female head coil base 1-3 is installed at the end of the inner cavity of the probe female head 1-2. The probe female head 1-2 is connected to the relay transmission drill pipe, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4.

[0032] The monitoring unit 2 can realize real-time monitoring of the motion trajectory of the drilling trajectory measurement probe 1 and related parameters such as coal and rock characteristics during the drilling construction process; the data processing and output unit 4 can convert the analog signals output by each sensor of the monitoring unit 2 into digital signals and electrical signals respectively, and store the monitoring data, and output the electrical signal through the probe output electromagnetic coil 5 by electromagnetic induction.

[0033] Probe power supply unit 3, such as Figure 5 As shown, the probe power supply unit 3 includes a probe power management chip, a probe lithium battery, and a probe wireless charging module, which can provide stable power supply for the monitoring unit 2 and the data processing output unit 4 inside the while drilling trajectory measurement probe 1. The probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4 through the probe power management chip.

[0034] Monitoring unit 2 includes a three-axis acceleration sensor, a three-axis magnetoresistive sensor, a gyroscope, and a vibration sensor. The three-axis acceleration sensor, the three-axis magnetoresistive sensor, and the gyroscope are used to detect the attitude angle, azimuth, level, speed, acceleration and other actual drilling trajectory data of the drilling trajectory measurement probe. The vibration sensor has a sensitivity of 0.0001% and can sense the tiny vibration of the drilling trajectory measurement probe, ensuring that accurate information on the vibration of the drilling trajectory measurement probe is monitored during the drilling construction process, and then the coal and rock characteristics are analyzed through vibration parameters.

[0035] The data processing output unit 4 includes a microprocessor, a storage, and a modulation and demodulation circuit. The microprocessor converts the analog signals output by each sensor of the monitoring unit 2 into electrical signals and digital signals. The probe output electromagnetic coil lead 5-1 is connected to the modulation and demodulation circuit of the data processing output unit 4. The modulation and demodulation circuit converts the electrical signal into an alternating sinusoidal current signal, and forms an alternating magnetic field through the probe output electromagnetic coil 5 of the while drilling trajectory measurement probe 1 for electromagnetic induction transmission.

[0036] The three-axis acceleration sensor, the three-axis magnetoresistive sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil 5 through the modulation and demodulation circuit.

[0037] Relay transmission drill pipe, such as Figure 3 and Figure 6 As shown, the relay transmission drill rod includes a relay drill rod 6, one end of the relay drill rod 6 is a relay drill rod male head 6-1, and the other end of the relay drill rod 6 is a relay drill rod female head 6-2. The relay drill rod male head 6-1 is matched and connected with the probe female head 1-2, and the relay drill rod female head 6-2 is connected with the signal transfer tail braid.

[0038] The relay drill rod 6 is internally integrated with a drill rod input electromagnetic coil 7, a transmission drill rod power supply unit 8, a relay operational amplifier unit 9, and a drill rod output electromagnetic coil 10. The drill rod input electromagnetic coil 7 and the probe tube output electromagnetic coil 5 together constitute an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil 7 is arranged on the relay drill rod male head coil base 6-3, and the relay drill rod male head coil base 6-3 is installed at the inner cavity end of the relay drill rod male head 6-1. The drill rod input electromagnetic coil 7 and the relay operational amplifier unit 9 are connected through the drill rod input electromagnetic coil lead 7-1, the transmission drill rod power supply unit 8 is connected to the relay operational amplifier unit 9, and the relay operational amplifier unit 9 and the drill rod output electromagnetic coil 10 are connected through the drill rod output electromagnetic coil lead 10-1. The drill rod output electromagnetic coil 10 is arranged on the relay drill rod female head coil base 6-4, and the relay drill rod female head coil base 6-4 is installed at the inner cavity end of the relay drill rod female head 6-2.

[0039] Transmission drill pipe power supply unit 8, such as Figure 7As shown, the transmission drill pipe power supply unit 8 includes a transmission drill pipe power management chip, a transmission drill pipe lithium battery, and a transmission drill pipe wireless charging module. The transmission drill pipe lithium battery and the transmission drill pipe wireless charging module are respectively connected to the transmission drill pipe power management chip. The transmission drill pipe power supply unit 8 is connected to the relay amplifier unit 9 through the transmission drill pipe power management chip. The relay amplifier unit 9 is powered by the transmission drill pipe power supply unit 8. The relay amplifier unit 9 includes a transmission drill pipe signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill pipe signal modulation chip, the input end of the filter is connected to the drill pipe input electromagnetic coil 7, the input end of the operational amplifier is connected to the transmission drill pipe signal modulation chip, and the output end of the operational amplifier is connected to the drill pipe output electromagnetic coil 10. The electromagnetic signal output by the drilling trajectory measurement probe 1 can be filtered, amplified and transmitted through the relay amplifier unit 9; the drill pipe input electromagnetic coil 7 is as shown in Figure 8 As shown, the drill pipe input electromagnetic coil 7 and the probe tube output electromagnetic coil 5 together form an electromagnetic mutual induction coil, forming an alternating magnetic field for electromagnetic induction transmission. The relay amplifier unit 9 filters and amplifies the electromagnetic induction signal transmitted by the drill pipe input electromagnetic coil 7, and outputs the amplified electromagnetic induction signal through the drill pipe output electromagnetic coil 10.

[0040] Signal adapter pigtail, such as Fig. 9As shown, the signal transfer tail includes a tail connector 11, the head end of the tail connector 11 is matched and connected with the relay drill pipe female head 6-2, the tail connector 11 is integrated with a tail input electromagnetic coil 12, a signal modulation chip 13, a wifi module 14, an antenna 15, and a tail power supply unit 16, the tail input electromagnetic coil 12 and the drill pipe output electromagnetic coil 10 together form an electromagnetic mutual inductance coil, the tail input electromagnetic coil 12 is arranged on the tail input electromagnetic coil base 11-1, and the tail input electromagnetic coil base 11-1 is installed at the end of the inner cavity of the tail connector 11, the tail input electromagnetic coil 12 and the signal modulation chip 13 are connected through the tail input electromagnetic coil lead 12-1, the signal modulation chip 13 is also connected to the wifi module 14 and the tail power supply unit 16 respectively, the wifi module 14 is also connected to the antenna 15, and the wifi module 14 is connected to the antenna 15. It is wirelessly connected to the wireless base station 17 through the antenna 15. During the drilling construction process, the drill pipe output electromagnetic coil 10 and the tail pigtail input electromagnetic coil 12 together form an electromagnetic mutual induction coil to form an alternating magnetic field for electromagnetic induction transmission. The electromagnetic induction signal of the relay drill pipe 6 is input to the signal modulation chip 13 through the tail pigtail input electromagnetic coil 12. The signal modulation chip 13 converts the electromagnetic induction signal into a digital signal, and converts the digital signal into a wireless radio frequency signal through the wifi module 14 and sends it to the wireless base station 17 through the antenna 15. The actual drilling trajectory data and vibration parameters during the drilling construction process are collected in real time through the downhole trajectory measurement probe 1, and then transmitted to the drilling state inversion system 19 through the relay drill pipe 6, the tail pigtail joint 11, and the wireless base station 17. The real-time trajectory of the drilling and the coal-rock characteristics are inverted, so that the construction trajectory and coal-rock characteristics of the gas extraction hole can be accurately grasped.

[0041] The pigtail power supply unit 16, such as Fig. 9 As shown, the tail braid power supply unit 16 includes a tail braid power management chip, a tail braid lithium battery, and a tail braid wireless charging module. The tail braid lithium battery and the tail braid wireless charging module are respectively connected to the tail braid power management chip. The tail braid power management chip is also respectively connected to the signal modulation chip 13 and the wifi module 14. The signal modulation chip 13 and the wifi module 14 are powered by the tail braid power supply unit 16.

[0042] The material of the probe output electromagnetic coil 5, the drill pipe input electromagnetic coil 7, the drill pipe output electromagnetic coil 10 and the pigtail input electromagnetic coil 12 is an iron-based nanocrystalline alloy, the number of coil turns is 600, the output voltage is 3V, and the resonant frequency is 120kHz.

[0043] The interiors of the trajectory measurement while drilling probe 1, the relay drill pipe 6 and the pigtail joint 11 are all filled with resin and completely sealed.

[0044] The second technical solution provided by the present invention is a drilling state measurement method for a drilling rig, which uses the above-mentioned drilling state measurement device for drilling rigs to perform measurement, and the specific steps are as follows: Step 1: Determine the installation location of the wireless base station 17 underground, select an installation point within 50m backward by drilling construction, then connect the wireless base station 17 to the mine industrial ring network 18, and test the data transmission stability.

[0045] Step 2: Drill a hole, connect the drill bit to the downhole trajectory measurement probe 1, then connect the relay drill pipe 6 and the tail joint 11 in sequence, and start drilling construction. During the construction process, the downhole trajectory measurement probe 1 continuously collects attitude angle data, azimuth data, velocity data, acceleration data, horizontal data, position data, vibration amplitude data, vibration energy data, vibration frequency data, and vibration time data during the drilling construction process, and transmits the data to the drilling state inversion system 19 located above the well through the relay drill pipe 6 and the tail joint 11 via the mine industrial ring network 18.

[0046] Step 3: As the drilling continues to go deeper, relay drill rods 6 are continuously added between the trajectory measurement while drilling probe 1 and the pigtail joint 11 until all relay drill rods 6 and the trajectory measurement while drilling probe 1 are withdrawn after the drilling construction is completed.

[0047] Step 4: Move the drilling rig and construct a new borehole. If the construction location is within 50m of the installation point of the wireless base station 17, repeat steps 2 to 3. If it is beyond 50m, repeat steps 1 to 3.

[0048] According to the drilling status measurement method of the drilling rig, by using the drilling status measurement device to construct drilling holes, it does not rely on the experience of the staff and can accurately grasp the drilling trajectory and coal rock characteristics of the gas extraction drilling process of the drilling rig construction, effectively solving the problem that the drilling trajectory of the mine is unmeasurable, resulting in low construction accuracy, small drilling depth, and a lot of invalid footage.

[0049] The drilling state measuring device of the present invention is as follows: Example 1 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0050] Example 2 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0051] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, and the wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods and they are connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe 1, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal switching tail pigtail. The signal switching tail pigtail is wirelessly connected to the wireless base station 17. The wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18. The wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0052] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0053] Example 3 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0054] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, and the wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods and they are connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe 1, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal switching tail pigtail. The signal switching tail pigtail is wirelessly connected to the wireless base station 17. The wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18. The wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0055] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0056] One end of the while drilling trajectory measurement probe 1 is a probe male head 1-1, and the other end of the while drilling trajectory measurement probe 1 is a probe female head 1-2. The inside of the tube body of the while drilling trajectory measurement probe 1 is integrated with a monitoring unit 2, a data processing output unit 4, a probe power supply unit 3, and a probe output electromagnetic coil 5. The probe output electromagnetic coil 5 is connected to the data processing output unit 4 through a probe output electromagnetic coil lead 5-1. The probe output electromagnetic coil 5 is arranged on a probe female head coil base 1-3. The probe female head coil base 1-3 is installed at the end of the inner cavity of the probe female head 1-2. The probe female head 1-2 is connected to the relay transmission drill pipe, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4.

[0057] The probe power supply unit 3 includes a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4 through the probe power management chip; the monitoring unit 2 includes a three-axis acceleration sensor, a three-axis magnetoresistance sensor, a gyroscope, and a vibration sensor; the data processing output unit 4 includes a microprocessor, a storage, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistance sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil 5 through the modulation and demodulation circuit.

[0058] Example 4 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0059] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, and the wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods and they are connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe 1, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal switching tail pigtail. The signal switching tail pigtail is wirelessly connected to the wireless base station 17. The wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18. The wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0060] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0061] One end of the while drilling trajectory measurement probe 1 is a probe male head 1-1, and the other end of the while drilling trajectory measurement probe 1 is a probe female head 1-2. The inside of the tube body of the while drilling trajectory measurement probe 1 is integrated with a monitoring unit 2, a data processing output unit 4, a probe power supply unit 3, and a probe output electromagnetic coil 5. The probe output electromagnetic coil 5 is connected to the data processing output unit 4 through a probe output electromagnetic coil lead 5-1. The probe output electromagnetic coil 5 is arranged on a probe female head coil base 1-3. The probe female head coil base 1-3 is installed at the end of the inner cavity of the probe female head 1-2. The probe female head 1-2 is connected to the relay transmission drill pipe, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4.

[0062] The probe power supply unit 3 includes a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4 through the probe power management chip; the monitoring unit 2 includes a three-axis acceleration sensor, a three-axis magnetoresistance sensor, a gyroscope, and a vibration sensor; the data processing output unit 4 includes a microprocessor, a storage, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistance sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil 5 through the modulation and demodulation circuit.

[0063] The relay transmission drill rod includes a relay drill rod 6, one end of which is a relay drill rod male head 6-1, and the other end of which is a relay drill rod female head 6-2. The relay drill rod male head 6-1 is matched and connected with the probe female head 1-2, and the relay drill rod female head 6-2 is connected with the signal transfer tail braid.

[0064] The relay drill rod 6 is internally integrated with a drill rod input electromagnetic coil 7, a transmission drill rod power supply unit 8, a relay operational amplifier unit 9, and a drill rod output electromagnetic coil 10. The drill rod input electromagnetic coil 7 and the probe tube output electromagnetic coil 5 together constitute an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil 7 is arranged on the relay drill rod male head coil base 6-3, and the relay drill rod male head coil base 6-3 is installed at the inner cavity end of the relay drill rod male head 6-1. The drill rod input electromagnetic coil 7 and the relay operational amplifier unit 9 are connected through the drill rod input electromagnetic coil lead 7-1, the transmission drill rod power supply unit 8 is connected to the relay operational amplifier unit 9, and the relay operational amplifier unit 9 and the drill rod output electromagnetic coil 10 are connected through the drill rod output electromagnetic coil lead 10-1. The drill rod output electromagnetic coil 10 is arranged on the relay drill rod female head coil base 6-4, and the relay drill rod female head coil base 6-4 is installed at the inner cavity end of the relay drill rod female head 6-2.

[0065] The transmission drill rod power supply unit 8 includes a transmission drill rod power management chip, a transmission drill rod lithium battery, and a transmission drill rod wireless charging module. The transmission drill rod lithium battery and the transmission drill rod wireless charging module are respectively connected to the transmission drill rod power management chip. The transmission drill rod power supply unit 8 is connected to the relay amplifier unit 9 through the transmission drill rod power management chip. The relay amplifier unit 9 includes a transmission drill rod signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill rod signal modulation chip, the input end of the filter is connected to the drill rod input electromagnetic coil 7, the input end of the operational amplifier is connected to the transmission drill rod signal modulation chip, and the output end of the operational amplifier is connected to the drill rod output electromagnetic coil 10.

[0066] Example 5 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0067] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, and the wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods and they are connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe 1, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal switching tail pigtail. The signal switching tail pigtail is wirelessly connected to the wireless base station 17. The wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18. The wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0068] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0069] One end of the while drilling trajectory measurement probe 1 is a probe male head 1-1, and the other end of the while drilling trajectory measurement probe 1 is a probe female head 1-2. The inside of the tube body of the while drilling trajectory measurement probe 1 is integrated with a monitoring unit 2, a data processing output unit 4, a probe power supply unit 3, and a probe output electromagnetic coil 5. The probe output electromagnetic coil 5 is connected to the data processing output unit 4 through a probe output electromagnetic coil lead 5-1. The probe output electromagnetic coil 5 is arranged on a probe female head coil base 1-3. The probe female head coil base 1-3 is installed at the end of the inner cavity of the probe female head 1-2. The probe female head 1-2 is connected to the relay transmission drill pipe, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4.

[0070] The probe power supply unit 3 includes a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4 through the probe power management chip; the monitoring unit 2 includes a three-axis acceleration sensor, a three-axis magnetoresistance sensor, a gyroscope, and a vibration sensor; the data processing output unit 4 includes a microprocessor, a storage, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistance sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil 5 through the modulation and demodulation circuit.

[0071] The relay transmission drill rod includes a relay drill rod 6, one end of which is a relay drill rod male head 6-1, and the other end of which is a relay drill rod female head 6-2. The relay drill rod male head 6-1 is matched and connected with the probe female head 1-2, and the relay drill rod female head 6-2 is connected with the signal transfer tail braid.

[0072] The relay drill rod 6 is internally integrated with a drill rod input electromagnetic coil 7, a transmission drill rod power supply unit 8, a relay operational amplifier unit 9, and a drill rod output electromagnetic coil 10. The drill rod input electromagnetic coil 7 and the probe tube output electromagnetic coil 5 together constitute an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil 7 is arranged on the relay drill rod male head coil base 6-3, and the relay drill rod male head coil base 6-3 is installed at the inner cavity end of the relay drill rod male head 6-1. The drill rod input electromagnetic coil 7 and the relay operational amplifier unit 9 are connected through the drill rod input electromagnetic coil lead 7-1, the transmission drill rod power supply unit 8 is connected to the relay operational amplifier unit 9, and the relay operational amplifier unit 9 and the drill rod output electromagnetic coil 10 are connected through the drill rod output electromagnetic coil lead 10-1. The drill rod output electromagnetic coil 10 is arranged on the relay drill rod female head coil base 6-4, and the relay drill rod female head coil base 6-4 is installed at the inner cavity end of the relay drill rod female head 6-2.

[0073] The transmission drill rod power supply unit 8 includes a transmission drill rod power management chip, a transmission drill rod lithium battery, and a transmission drill rod wireless charging module. The transmission drill rod lithium battery and the transmission drill rod wireless charging module are respectively connected to the transmission drill rod power management chip. The transmission drill rod power supply unit 8 is connected to the relay amplifier unit 9 through the transmission drill rod power management chip. The relay amplifier unit 9 includes a transmission drill rod signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill rod signal modulation chip, the input end of the filter is connected to the drill rod input electromagnetic coil 7, the input end of the operational amplifier is connected to the transmission drill rod signal modulation chip, and the output end of the operational amplifier is connected to the drill rod output electromagnetic coil 10.

[0074] The signal transfer tail braid includes a tail braid connector 11, the head end of the tail braid connector 11 is matched and connected with the relay drill pipe female head 6-2, the tail braid input electromagnetic coil 12, the signal modulation chip 13, the wifi module 14, the antenna 15, and the tail braid power supply unit 16 are integrated inside the tail braid connector 11, the tail braid input electromagnetic coil 12 and the drill pipe output electromagnetic coil 10 together form an electromagnetic mutual inductance coil, the tail braid input electromagnetic coil 12 is arranged on the tail braid input electromagnetic coil base 11-1, and the tail braid input electromagnetic coil base 11-1 is installed at the end of the inner cavity of the tail braid connector 11, the tail braid input electromagnetic coil 12 and the signal modulation chip 13 are connected through the tail braid input electromagnetic coil lead 12-1, the signal modulation chip 13 is also respectively connected to the wifi module 14 and the tail braid power supply unit 16, the wifi module 14 is also connected to the antenna 15, and the wifi module 14 is wirelessly connected to the wireless base station 17 through the antenna 15.

[0075] The tail braid power supply unit 16 includes a tail braid power management chip, a tail braid lithium battery, and a tail braid wireless charging module. The tail braid lithium battery and the tail braid wireless charging module are respectively connected to the tail braid power management chip, and the tail braid power management chip is also respectively connected to the signal modulation chip 13 and the wifi module 14.

[0076] Example 6 The drilling state measuring device of the drilling rig comprises a drilling signal acquisition system, which is connected in sequence to a drilling signal wireless transmission system and a drilling state inversion system 19.

[0077] The downhole signal acquisition system is specifically a downhole trajectory measurement probe 1, and the wireless transmission system includes a relay transmission drill rod. There are several relay transmission drill rods and they are connected end to end. One end of the end-to-end connected relay transmission drill rod is connected to the downhole trajectory measurement probe 1, and the other end of the end-to-end connected relay transmission drill rod is connected to the signal switching tail pigtail. The signal switching tail pigtail is wirelessly connected to the wireless base station 17. The wireless base station 17 is set within a range of 1m-50m from the drilling rig and is connected to the mine industrial ring network 18. The wireless base station 17 is connected to the drilling state inversion system 19 through the mine industrial ring network 18.

[0078] The drilling status inversion system 19 is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling status three-dimensional display module.

[0079] One end of the while drilling trajectory measurement probe 1 is a probe male head 1-1, and the other end of the while drilling trajectory measurement probe 1 is a probe female head 1-2. The inside of the tube body of the while drilling trajectory measurement probe 1 is integrated with a monitoring unit 2, a data processing output unit 4, a probe power supply unit 3, and a probe output electromagnetic coil 5. The probe output electromagnetic coil 5 is connected to the data processing output unit 4 through a probe output electromagnetic coil lead 5-1. The probe output electromagnetic coil 5 is arranged on a probe female head coil base 1-3. The probe female head coil base 1-3 is installed at the end of the inner cavity of the probe female head 1-2. The probe female head 1-2 is connected to the relay transmission drill pipe, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4.

[0080] The probe power supply unit 3 includes a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit 3 is respectively connected to the monitoring unit 2 and the data processing output unit 4 through the probe power management chip; the monitoring unit 2 includes a three-axis acceleration sensor, a three-axis magnetoresistance sensor, a gyroscope, and a vibration sensor; the data processing output unit 4 includes a microprocessor, a storage, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistance sensor, the gyroscope, the vibration sensor, the storage, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil 5 through the modulation and demodulation circuit.

[0081] The relay transmission drill rod includes a relay drill rod 6, one end of which is a relay drill rod male head 6-1, and the other end of which is a relay drill rod female head 6-2. The relay drill rod male head 6-1 is matched and connected with the probe female head 1-2, and the relay drill rod female head 6-2 is connected with the signal transfer tail braid.

[0082] The relay drill rod 6 is internally integrated with a drill rod input electromagnetic coil 7, a transmission drill rod power supply unit 8, a relay operational amplifier unit 9, and a drill rod output electromagnetic coil 10. The drill rod input electromagnetic coil 7 and the probe tube output electromagnetic coil 5 together constitute an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil 7 is arranged on the relay drill rod male head coil base 6-3, and the relay drill rod male head coil base 6-3 is installed at the inner cavity end of the relay drill rod male head 6-1. The drill rod input electromagnetic coil 7 and the relay operational amplifier unit 9 are connected through the drill rod input electromagnetic coil lead 7-1, the transmission drill rod power supply unit 8 is connected to the relay operational amplifier unit 9, and the relay operational amplifier unit 9 and the drill rod output electromagnetic coil 10 are connected through the drill rod output electromagnetic coil lead 10-1. The drill rod output electromagnetic coil 10 is arranged on the relay drill rod female head coil base 6-4, and the relay drill rod female head coil base 6-4 is installed at the inner cavity end of the relay drill rod female head 6-2.

[0083] The transmission drill rod power supply unit 8 includes a transmission drill rod power management chip, a transmission drill rod lithium battery, and a transmission drill rod wireless charging module. The transmission drill rod lithium battery and the transmission drill rod wireless charging module are respectively connected to the transmission drill rod power management chip. The transmission drill rod power supply unit 8 is connected to the relay amplifier unit 9 through the transmission drill rod power management chip. The relay amplifier unit 9 includes a transmission drill rod signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill rod signal modulation chip, the input end of the filter is connected to the drill rod input electromagnetic coil 7, the input end of the operational amplifier is connected to the transmission drill rod signal modulation chip, and the output end of the operational amplifier is connected to the drill rod output electromagnetic coil 10.

[0084] The signal transfer tail braid includes a tail braid connector 11, the head end of the tail braid connector 11 is matched and connected with the relay drill pipe female head 6-2, the tail braid input electromagnetic coil 12, the signal modulation chip 13, the wifi module 14, the antenna 15, and the tail braid power supply unit 16 are integrated inside the tail braid connector 11, the tail braid input electromagnetic coil 12 and the drill pipe output electromagnetic coil 10 together form an electromagnetic mutual inductance coil, the tail braid input electromagnetic coil 12 is arranged on the tail braid input electromagnetic coil base 11-1, and the tail braid input electromagnetic coil base 11-1 is installed at the end of the inner cavity of the tail braid connector 11, the tail braid input electromagnetic coil 12 and the signal modulation chip 13 are connected through the tail braid input electromagnetic coil lead 12-1, the signal modulation chip 13 is also respectively connected to the wifi module 14 and the tail braid power supply unit 16, the wifi module 14 is also connected to the antenna 15, and the wifi module 14 is wirelessly connected to the wireless base station 17 through the antenna 15.

[0085] The tail braid power supply unit 16 includes a tail braid power management chip, a tail braid lithium battery, and a tail braid wireless charging module. The tail braid lithium battery and the tail braid wireless charging module are respectively connected to the tail braid power management chip, and the tail braid power management chip is also respectively connected to the signal modulation chip 13 and the wifi module 14.

[0086] The material of the probe output electromagnetic coil 5, the drill pipe input electromagnetic coil 7, the drill pipe output electromagnetic coil 10 and the pigtail input electromagnetic coil 12 is an iron-based nanocrystalline alloy, the number of coil turns is 600, the output voltage is 3V, and the resonant frequency is 120kHz.

[0087] The interiors of the trajectory measurement while drilling probe 1, the relay drill pipe 6 and the pigtail joint 11 are all filled with resin and completely sealed.

Claims

1. A drilling rig drilling state measuring device, characterized in that: It comprises a drilling signal acquisition system, wherein the drilling signal acquisition system is sequentially connected to a drilling signal wireless transmission system and a drilling state inversion system (19).

2. The drilling state measuring device of a drilling rig according to claim 1, characterized in that: The drilling signal acquisition system is specifically a drilling trajectory measurement probe (1), and the wireless transmission system includes a relay transmission drill rod, wherein the relay transmission drill rods are multiple and connected end to end, one end of the end-to-end connected relay transmission drill rods is connected to the drilling trajectory measurement probe (1), and the other end of the end-to-end connected relay transmission drill rods is connected to a signal transfer tail pigtail, and the signal transfer tail pigtail is wirelessly connected to a wireless base station (17), the wireless base station (17) is set within a range of 1m-50m from the drilling rig and is connected to a mine industrial ring network (18), and the wireless base station (17) is connected to a drilling state inversion system (19) via the mine industrial ring network (18).

3. The drilling state measuring device of a drilling rig according to claim 2, characterized in that: The drilling state inversion system (19) is composed of a signal input module, a drilling trajectory inversion module, a coal rock feature inversion module, and a drilling state three-dimensional display module.

4. The drilling state measuring device of a drilling rig according to claim 2, characterized in that: One end of the while-drilling trajectory measurement probe (1) is a probe male head (1-1), and the other end of the while-drilling trajectory measurement probe (1) is a probe female head (1-2). A monitoring unit (2), a data processing output unit (4), a probe power supply unit (3), and a probe output electromagnetic coil (5) are integrated inside the body of the while-drilling trajectory measurement probe (1). The probe output electromagnetic coil (5) is connected to the data processing output unit (4) via a probe output electromagnetic coil lead (5-1). The probe output electromagnetic coil (5) is arranged on a probe female head coil base (1-3). The probe female head coil base (1-3) is installed at the end of the inner cavity of the probe female head (1-2). The probe female head (1-2) is connected to a relay transmission drill pipe. The probe power supply unit (3) is connected to the monitoring unit (2) and the data processing output unit (4), respectively. The probe power supply unit (3) comprises a probe power management chip, a probe lithium battery, and a probe wireless charging module; the probe lithium battery and the probe wireless charging module are respectively connected to the probe power management chip, and the probe power supply unit (3) is respectively connected to the monitoring unit (2) and the data processing output unit (4) through the probe power management chip; the monitoring unit (2) comprises a three-axis acceleration sensor, a three-axis magnetoresistive sensor, a gyroscope, and a vibration sensor; the data processing output unit (4) comprises a microprocessor, a storage device, and a modulation and demodulation circuit; the three-axis acceleration sensor, the three-axis magnetoresistive sensor, the gyroscope, the vibration sensor, the storage device, and the modulation and demodulation circuit are respectively connected to the microprocessor, and the microprocessor is connected to the probe output electromagnetic coil (5) through the modulation and demodulation circuit.

5. The drilling state measuring device of a drilling rig according to claim 4, characterized in that: The relay transmission drill rod comprises a relay drill rod (6), one end of the relay drill rod (6) is a relay drill rod male head (6-1), the other end of the relay drill rod (6) is a relay drill rod female head (6-2), the relay drill rod male head (6-1) is matched and connected with the probe female head (1-2), and the relay drill rod female head (6-2) is connected with the signal transfer pigtail; The relay drill rod (6) is internally integrated with a drill rod input electromagnetic coil (7), a transmission drill rod power supply unit (8), a relay operational amplifier unit (9), and a drill rod output electromagnetic coil (10). The drill rod input electromagnetic coil (7) and the probe tube output electromagnetic coil (5) together form an electromagnetic mutual inductance coil. The drill rod input electromagnetic coil (7) is arranged on a relay drill rod male head coil base (6-3). The relay drill rod male head coil base (6-3) is installed at the inner cavity end of the relay drill rod male head (6-1). 7) is connected to the relay amplifier unit (9) via a drill pipe input electromagnetic coil lead (7-1), the transmission drill pipe power supply unit (8) is connected to the relay amplifier unit (9), the relay amplifier unit (9) is connected to the drill pipe output electromagnetic coil (10) via a drill pipe output electromagnetic coil lead (10-1), the drill pipe output electromagnetic coil (10) is arranged on the relay drill pipe female head coil base (6-4), and the relay drill pipe female head coil base (6-4) is installed at the inner cavity end of the relay drill pipe female head (6-2); The transmission drill rod power supply unit (8) comprises a transmission drill rod power management chip, a transmission drill rod lithium battery, and a transmission drill rod wireless charging module. The transmission drill rod lithium battery and the transmission drill rod wireless charging module are respectively connected to the transmission drill rod power management chip. The transmission drill rod power supply unit (8) is connected to a relay amplifier unit (9) via the transmission drill rod power management chip. The relay amplifier unit (9) comprises a transmission drill rod signal modulation chip, a filter, and an operational amplifier. The output end of the filter is connected to the transmission drill rod signal modulation chip, the input end of the filter is connected to the drill rod input electromagnetic coil (7), the input end of the operational amplifier is connected to the transmission drill rod signal modulation chip, and the output end of the operational amplifier is connected to the drill rod output electromagnetic coil (10).

6. The drilling state measuring device of a drilling rig according to claim 5, characterized in that: The signal transfer pigtail comprises a pigtail connector (11), the head end of the pigtail connector (11) is matched and connected to the relay drill pipe female head (6-2), the pigtail connector (11) internally integrates a pigtail input electromagnetic coil (12), a signal modulation chip (13), a wifi module (14), an antenna (15), and a pigtail power supply unit (16), the pigtail input electromagnetic coil (12) and the drill pipe output electromagnetic coil (10) together form an electromagnetic mutual inductance coil, and the pigtail input electromagnetic coil (12) is arranged on the pigtail input electromagnetic coil base (11 -1), the pigtail input electromagnetic coil base (11-1) is installed at the end of the inner cavity of the pigtail connector (11), the pigtail input electromagnetic coil (12) and the signal modulation chip (13) are connected via the pigtail input electromagnetic coil lead (12-1), the signal modulation chip (13) is also connected to the wifi module (14) and the pigtail power supply unit (16), the wifi module (14) is also connected to the antenna (15), and the wifi module (14) is wirelessly connected to the wireless base station (17) via the antenna (15); The pigtail power supply unit (16) comprises a pigtail power management chip, a pigtail lithium battery, and a pigtail wireless charging module; the pigtail lithium battery and the pigtail wireless charging module are respectively connected to the pigtail power management chip; and the pigtail power management chip is also respectively connected to the signal modulation chip (13) and the wifi module (14).

7. The drilling state measuring device of a drilling rig according to claim 6, characterized in that: The material of the probe tube output electromagnetic coil (5), the drill rod input electromagnetic coil (7), the drill rod output electromagnetic coil (10), and the pigtail input electromagnetic coil (12) is an iron-based nanocrystalline alloy, the number of coil turns is 600, the output voltage is 3V, and the resonant frequency is 120kHz; The interiors of the trajectory measurement while drilling probe (1), the relay drill pipe (6), and the pigtail joint (11) are all filled with resin and are completely sealed.

8. A method for measuring the drilling state of a drilling rig, characterized in that: The drilling state measuring device of a drilling rig as described in any one of claims 5 to 7 is used for measurement, and the specific steps are as follows: Step 1: Determine the installation location of the wireless base station (17) underground, select an installation point within 50m backward by drilling construction, then connect the wireless base station (17) to the mine industrial ring network (18), and test the data transmission stability; Step 2: Drilling is performed, the drill bit is connected to the trajectory measurement probe tube (1), and then the relay drill rod (6) and the pigtail joint (11) are connected in sequence to start drilling construction. During the construction process, the trajectory measurement probe tube (1) continuously collects attitude angle data, azimuth data, velocity data, acceleration data, horizontal data, position data, vibration amplitude data, vibration energy data, vibration frequency data, and vibration time data during the drilling construction process, and transmits the data to the drilling state inversion system (19) located above the well through the relay drill rod (6) and the pigtail joint (11) via the mine industrial ring network (18); Step 3: As the drilling continues to go deeper, relay drill rods (6) are continuously added between the while-drilling trajectory measurement probe (1) and the pigtail joint (11), until all relay drill rods (6) and the while-drilling trajectory measurement probe (1) are withdrawn after the drilling is completed; Step 4: Move the drilling rig and construct a new borehole. If the construction location is within 50 m of the installation point of the wireless base station (17), repeat steps 2 to 3. If it is beyond 50 m, repeat steps 1 to 3.

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