CN115012907B - Auxiliary drilling system and method for rotary drill - Google Patents
Auxiliary drilling system and method for rotary drill Download PDFInfo
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- CN115012907B CN115012907B CN202210856503.3A CN202210856503A CN115012907B CN 115012907 B CN115012907 B CN 115012907B CN 202210856503 A CN202210856503 A CN 202210856503A CN 115012907 B CN115012907 B CN 115012907B
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- 238000005553 drilling Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/003—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing drilling variables or conditions
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Abstract
The invention relates to an auxiliary drilling system and method for a rotary drill, wherein a main measuring antenna is arranged at a head end A of the rotary drill, an auxiliary measuring antenna is arranged at a tail end B of the rotary drill, a drill rod is arranged at a head end Z of the rotary drill, an included angle theta 2 is formed between ZA and BA, a GNSS receiver is arranged in an acquisition electric cabinet, the main measuring antenna and the auxiliary measuring antenna obtain longitude and latitude information through the GNSS receiver, a drill rod motor detects the rotating speed of the drill through a rotary tachometer and detects the motor current of the drill through the rotary tachometer, the acquisition electric cabinet is connected with an intelligent machine terminal arranged in a cab of the rotary drill, and the longitude and latitude information of the main measuring antenna, the longitude and latitude information of the auxiliary measuring antenna, the detection data of the rotary tachometer and the detection data of the rotary tachometer are transmitted to the intelligent machine terminal after passing through the acquisition electric cabinet. The invention utilizes the main measuring antenna and the auxiliary measuring antenna to combine with the spherical surface of the earth to obtain the longitude and latitude of the drill rod, and the calculation process and equipment are greatly simplified.
Description
Technical Field
The invention relates to the field of rotary drilling rigs, in particular to an auxiliary drilling system and method for a rotary drilling rig.
Background
The rotary drill is main drilling equipment adopted in strip mine production, the traditional rotary drill mainly relies on a worker tape to distribute holes in the drilling operation, a colored marker is used for marking holes, then a drill driver searches holes by virtue of driving experience, but the drilling position accuracy and the drilling depth accuracy are difficult to ensure, and the conditions of overlarge drilling position, ultra-deep drilling depth or underdeep drilling are often caused, so that the blasting effect is finally influenced. In addition, when the roller bit touches underground and has a particularly hard rock mass in the drilling operation, if a driver keeps drilling, the drilling motor can be kept in a high-load running state all the time, accidents such as motor damage and the like are easy to occur, and the abrasion of the bit can be accelerated.
Along with the development of technology, some positioning methods are used for assisting a drilling machine to drill holes for positioning in the prior art, but the methods in the prior art mainly rely on the way of approximating to a plane after GPS positioning and performing positioning calculation by using a plane geometry or a series of coordinate conversion and the like.
As disclosed in the chinese patent of the publication CN102155212B, a positioning device and a positioning method for a throwing hole of a rotary drill are disclosed, which uses two GPS antennas to sense the position of the drill and convert the position into an electrical signal to be transmitted to a signal acquisition solver, uses a dual-tilt sensor to sense the tilt angle of the drill and convert the tilt angle pulse data to be transmitted to the signal acquisition solver, then the signal acquisition solver calculates the electrical signal and the tilt angle pulse data to obtain the position coordinates of the drill, and can measure the depth of the drill at the same time.
The Chinese patent with the issued publication number of CN103343683B discloses a real-time perforation positioning method of a rotary drill based on GPS, which firstly utilizes GPS to construct a perforation positioning model, specifically selects three control points on a rotary drill platform, then utilizes RTK-GPS equipment to monitor the three control points in real time, obtains the real-time perforation positioning model of the rotary drill, then utilizes a three-point space back intersection method to obtain the plane coordinates of perforation points of the rotary drill, and calculates the perforation depth of the rotary drill through the elevation change of the control points.
In another example, the chinese patent of the invention with the publication number CN105320831B also discloses a method for realizing real-time high-precision positioning of the drill rod of the surface mine drilling machine, which uses two high-precision GPS and electronic compass devices installed on the drilling machine to perform positioning.
Disclosure of Invention
The invention aims to provide an auxiliary drilling system and method for a rotary drill, which are used for obtaining the longitude and latitude of a drill rod by combining a main measuring antenna and an auxiliary measuring antenna with the spherical surface of the earth, and greatly simplify the calculation process and the configured device equipment.
The aim of the invention is realized by the following technical scheme:
the utility model provides an auxiliary drilling system of rotary drill, includes collection electric cabinet, main measurement antenna, vice measurement antenna, gyration tachometer, gyration ammeter, drilling rod and drilling rod motor of locating on the rotary drill, wherein main measurement antenna locates rotary drill head end A department, vice measurement antenna locates rotary drill tail end B department, and drilling rod locates rotary drill head end Z department, and forms contained angle θ 2 between ZA and the BA, be equipped with the GNSS receiver in the collection electric cabinet, just main measurement antenna and vice measurement antenna pass through the GNSS receiver obtains longitude and latitude information, the drilling rod motor passes through the rotational speed of gyration tachometer when detecting the drilling, and pass through the motor current of gyration ammeter when detecting the drilling, the collection electric cabinet links to each other with the board intelligent terminal of locating in the rotary drill driver's cabin, just main measurement antenna longitude and latitude information, vice measurement antenna longitude and latitude information, gyration tachometer detection data, gyration ammeter detection data all pass through behind the collection electric cabinet transmit to the board terminal.
The rotary drill head end is provided with a hole depth detection device, and the rotary drill is provided with an electric energy meter.
The acquisition electric cabinet is provided with an intelligent data acquisition controller, and the longitude and latitude information of the main measuring antenna, the longitude and latitude information of the auxiliary measuring antenna, the detection data of the rotary tachometer, the detection data of the rotary ammeter, the detection data of the hole depth detection device and the detection data of the electric energy meter are transmitted to the intelligent terminal of the machine platform through the intelligent data acquisition controller.
The electric cabinet is characterized in that a terminal table is arranged inside the electric cabinet, and a main measuring antenna cable, an auxiliary measuring antenna cable, a rotary tachometer cable, a rotary ammeter cable, an electric energy meter cable, a communication cable of the intelligent machine station terminal, a power supply cable and a hole depth detection device cable are all inserted on the terminal table.
And an air switch, a direct-current power supply, a 4G/5G router, an exchanger, a hard disk video device and a data transmission station are arranged in the acquisition electric cabinet.
And the rotary drilling machine is provided with a radio station antenna, and the radio station antenna is connected with the data transmission radio station.
And an air conditioner is arranged on the rotary drilling machine.
A method of positioning an auxiliary drilling system according to the rotary drill, comprising the steps of:
Step one: measuring to obtain the distance L between the main measuring antenna and the drill rod, namely ZA=L, and measuring to obtain the included angle theta 2 between ZA and BA;
Step two: acquiring real-time longitude A lon and real-time latitude A lat of a main measurement antenna position A and real-time longitude B lon and real-time latitude B lat of a secondary measurement antenna position B by acquiring a GNSS receiver in an electric cabinet;
step three: calculating an included angle theta between BA and the north direction by taking the position A of the main measuring antenna as a vertex, and obtaining an included angle theta 1＝θ-θ2 between ZA and the north direction;
step four: according to the L obtained in the first step and the theta 1 obtained in the third step, calculating the distance X lon between the drill rod and the main measuring antenna position A in the longitudinal direction and the distance Y lat between the drill rod and the main measuring antenna position A in the latitudinal direction:
Xlon＝L×sin(θ1)；
Ylat＝L×cos(θ1)；
step five: the spherical radius rb of the latitude of the main measurement antenna position a is calculated using the following formula (a):
In the above formula (1), re is the earth equatorial radius, and rp is the earth polar radius;
step six: calculating a radius rlat of the latitude circle of the position a of the main measurement antenna using the following formula (b):
Step seven: the drill pipe longitude D LON is obtained according to the following formula (c):
step eight: obtaining a drill pipe latitude D Lat according to the following formula (D):
step nine: the longitude and latitude of the obtained drill rod are displayed on a screen of the intelligent terminal (8) of the machine and prompt a driver to drive.
A drilling judgment method of the rotary drill auxiliary drilling system comprises the following steps:
step one, preparing comparison data and inputting the comparison data into a machine intelligent terminal, wherein the comparison data comprises:
collecting the average motor rotating speed S Flat plate (RPM) of the rotary drill during drilling in the set time;
Collecting average motor current of the rotary drill in a set time to be C Flat plate (A);
collecting average drilling machine speed V Flat plate (m/10 min) of the rotary drill in the set time;
step two: when the rotary drill works, collecting the current drilling real-time motor rotating speed S (RPM), the current real-time motor current C (A) and the real-time drill speed V (m/10 min);
Step three: and (3) comparing the real-time data obtained in the second step with the comparison data obtained in the first step to judge the drilling condition.
In the third step:
If the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is between 0.85 and 1.15, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is between 0.85 and 1.15, and meanwhile, the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is less than 0.5, judging that the current drilling hole is a slag hole;
(II) if the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is between 0.85 and 1.15, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is between 0.85 and 1.15, and meanwhile, the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is greater than 2.0, judging that the current drilling hole is a water hole;
And (III) if the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is more than 2.0, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is more than 2.0, and the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is less than 0.5, judging that the underground is a hard rock mass.
The invention has the advantages and positive effects that:
1. according to the invention, the longitude and latitude of the drill rod are obtained by combining the main measuring antenna and the auxiliary measuring antenna with the longitude and latitude conversion of the spherical surface of the earth, and only one GNSS receiver is needed to be configured for obtaining the real-time longitude and latitude values of the main measuring antenna and the auxiliary measuring antenna, so that the calculation process and the configured device and equipment are greatly simplified.
2. The main measuring antenna and the auxiliary measuring antenna can be arranged at proper positions according to the structural condition of the rotary drill, and are not limited by the self structure of the rotary drill.
3. The drill rod drilling depth detection device is used for detecting the drilling depth in real time during working, and the motor rotating speed and the motor current of the drill rod motor are used for assisting in matching to judge whether the drilling is a slag hole or a water hole or whether the underground is a particularly hard rock mass, so that a driver can know the situation in time and deal with the situation.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
Figure 2 is a schematic diagram of the conversion principle of the drill rod positioning method of the invention,
Figure 3 is a second schematic diagram of the conversion principle of the drill rod positioning method of the invention,
Fig. 4 is a schematic diagram of the internal structure of the collection electric cabinet in fig. 1.
Wherein, 1 is the collection electric cabinet, 2 is the radio station antenna, 3 is the main measuring antenna, 4 is the vice measuring antenna, 5 is the revolution tachometer, 6 is the revolution ammeter, 7 is the electric energy meter, 8 is board intelligent terminal, 9 is hole depth detection device, 10 is the air conditioner, 11 is the drilling rod, 12 is the drilling rod motor.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the system comprises an acquisition electric cabinet 1, a main measuring antenna 3, an auxiliary measuring antenna 4, a rotary tachometer 5, a rotary ammeter 6, a drill rod 11 and a drill rod motor 12 which are arranged on a rotary drill, wherein the main measuring antenna 3 is arranged at a head end A of the rotary drill, the auxiliary measuring antenna 4 is arranged at a tail end B of the rotary drill, the drill rod 11 is arranged at a head end Z of the rotary drill and is driven to rotate by the drill rod motor 12, as shown in fig. 2, an included angle theta 2 is formed between ZA and BA, an included angle theta is formed between BA and the north direction, as shown in fig. 4, a GNSS receiver for receiving satellite positioning data is arranged in the acquisition electric cabinet 1, the main measuring antenna 3 and the auxiliary measuring antenna 4 obtain real-time longitude and latitude information through the GNSS receiver, the drill rod motor 12 detects real-time rotation speed when drilling through the rotary tachometer 5, and detects real-time motor current when drilling through the rotary ammeter 6, the acquisition electric cabinet 1 is connected with a table intelligent terminal 8 arranged in a cab of the rotary drill, and the longitude and latitude information of the main measuring antenna 3, the auxiliary measuring antenna 4 and the rotary tachometer 4 are detected by the intelligent terminal 8, and the intelligent terminal 8 are all transmitted to the intelligent terminal 8 after the acquisition data are analyzed through the electric cabinet. The GNSS receiver, the revolution tachometer 5, the revolution ammeter 6 and the machine intelligent terminal 8 are all known in the art, wherein the GNSS receiver, the revolution tachometer 5 and the revolution ammeter 6 are commercial products, and the machine intelligent terminal 8 can be commercial products or can be obtained by self programming of a user unit according to the need. In addition, in this embodiment, the main measurement antenna 3 and the auxiliary measurement antenna 4 are seven-frequency external measurement antennas, which are commercially available products.
As shown in fig. 1, the tip of the rotary drill is provided with a hole depth detection device 9 for detecting the drilling depth in real time, in this embodiment, the hole depth detection device 9 is a non-contact hole depth detection device, which completes the real-time detection of the drilling depth by the laser ranging principle, which is a well-known technology in the art and is a commercially available product.
As shown in fig. 1, the rotary drill is provided with an electric energy meter 7 for detecting electric energy data of the drill rod motor 12 during drilling of the rotary drill so as to calculate single-meter electric energy consumption and improve data support for single-machine examination. The electric energy meter 7 is a well known technology in the art and is a commercially available product.
As shown in fig. 4, in this embodiment, the collecting electric cabinet 1 is provided with an intelligent data collecting controller, and the longitude and latitude information of the main measuring antenna 3, the longitude and latitude information of the auxiliary measuring antenna 4, the detection data of the revolution tachometer 5, the detection data of the revolution ammeter 6, the detection data of the hole depth detecting device 9 and the detection data of the electric energy meter 7 are collected by the intelligent data collecting controller, and then sent to the machine intelligent terminal 8 by the intelligent data collecting controller. The intelligent data acquisition controller is well known in the art and is a commercially available product.
In this embodiment, as shown in fig. 4, an air switch, a dc power supply, a 4G/5G router, an exchange, a hard disk video recording device and a data transmission station are further disposed in the collection electric cabinet 1, wherein the air switch is used for protecting components on the circuit, the dc power supply is used for supplying power to each part, the 4G/5G router is used for connecting with wireless mobile communication, the exchange is used for connecting each network device together, the data transmission station is used for guaranteeing wireless data transmission, the wireless data transmission preferably uses the 4G/5G router for communication, when the communication of the 4G/5G router is interrupted, the communication mode of the data transmission station is automatically switched, the hard disk video recording device is used for storing video data of a camera, the camera is installed at a proper position of the rotary drill, and each part is a commercially available product.
As shown in fig. 4, in this embodiment, a terminal block is disposed inside the electric collection cabinet 1, and the main measurement antenna 3 cable, the auxiliary measurement antenna 4 cable, the revolution tachometer 5 cable, the revolution ammeter 6 cable, the electric energy meter 7 cable, the communication cable and the power supply cable of the machine station intelligent terminal 8, the hole depth detection device 9 cable and the camera cable are all inserted into corresponding terminal holes on the terminal block, so as to realize corresponding connection of each part.
As shown in fig. 1, the rotary drill is provided with a station antenna 2, and the station antenna 2 is connected with a data transmission station for enhancing the communication signal strength of the data transmission station, which is a product known in the art and purchased in the market.
As shown in FIG. 1, an air conditioner 10 is provided on the rotary drill to adjust the temperature inside the cabin, thereby improving the operation environment of the driver.
The working principle of the invention is as follows:
as shown in fig. 1 to 3, when the invention works, the actual position data of the drill rod is calculated according to the triangle formed by the main measuring antenna 3, the auxiliary measuring antenna 4 and the drill rod 11, specifically as follows:
step one: the distance L between the main measurement antenna 3 and the drill rod 11, i.e., za=l, is measured in advance, and the angle θ 2 between ZA and BA is measured.
In addition, as described in the background art in CN105320831B, in the prior art, two methods are mainly adopted for positioning by using a GPS drill rod, one is that two GPS antennas are on the same straight line with the drill rod, and the other is that the drill rod and the two GPS antennas form an isosceles triangle, because the structure of the drilling machine is complex, the suitable position is often difficult to find for installation by adopting the method, and as shown in fig. 1, the position a of the main measuring antenna 3 and the position B of the auxiliary measuring antenna 4 can be installed at the suitable position according to the structural condition of the rotary drill, and are not limited by the structure of the rotary drill.
Step two: the real-time longitude A lon (°) and the real-time latitude A lat (°) of the position A of the main measuring antenna 3, and the real-time longitude B lon (°) and the real-time latitude B lat (°) of the auxiliary measuring antenna 4 are obtained by collecting the GNSS receiver in the electric cabinet 1.
Step three: as shown in fig. 1 to 2, the angle θ between BA and the north direction is calculated by using the position a of the main measurement antenna 3 as the vertex, and the angle θ 1＝θ-θ2 between ZA and the north direction is obtained.
In actual operation, because the driver needs to be assisted to align holes, the moving gesture of the current drilling machine needs to be known, and the gesture is determined by an included angle between the current drilling machine and the north direction.
Step four: according to the L obtained in the first step and the theta 1 obtained in the third step, a distance X lon between the drill rod 11 and the position A of the main measuring antenna 3 in the longitudinal direction and a distance Y lat between the drill rod 11 and the position A of the main measuring antenna 3 in the latitudinal direction are calculated:
Xlon＝L×sin(θ1)；
Ylat＝L×cos(θ1)。
Step five: as shown in fig. 3, the spherical radius rb of the latitude of the position a of the main measurement antenna 3 is calculated using the following equation (a):
in the above formula (1), re is the earth equatorial radius (re= 6378137 m in this example), rp is the earth polar radius (rp= 6356752 m in this example), and a lat is the real-time latitude obtained in the second step.
Step six: as shown in fig. 3, the radius rlat (MA radius) of the latitude circle of the position a of the main measurement antenna 3 is calculated using the following formula (b):
The above formulas (1) and (2) are longitude and latitude calculations within geography, which are well known in the art.
Step seven: obtaining the drill pipe 11 longitude D LON (°) according to the following formula (c):
in the above formula (3):
the radian value converted by translation distance relative to the longitudinal direction of the point A;
The radian value is converted by the longitude of the point A;
The two radians are added up and multiplied by The conversion to an angle value is the longitude value of the drill pipe 11.
Step eight: obtaining a drill pipe 11 latitude D Lat (°) according to the following formula (D):
In the above formula (4):
the radian value converted relative to the latitudinal translation distance of the point A;
the radian value after the latitude of the point A is converted;
The two radians are added up and multiplied by The angle value is converted into the latitude value of the drill rod 11.
Step nine: after obtaining the longitude and latitude of the drill rod 11, a mobile arrow is given on the screen of the intelligent terminal 8 of the machine station to indicate the driver to drive the rotary drill to move.
The positioning method of the invention is different from the prior art in that: the invention considers the spherical factor of the earth and directly obtains the longitude and latitude of the drill rod 11, thereby greatly simplifying the device and equipment for calculation and configuration and reducing the equipment cost. In addition, the earth is approximately spherical (ellipsoidal) in nature, but the maximum hole-seeking distance of the drilling machine is about 50 meters, and the distance of 50 meters is very small relative to the earth, so that the method can calculate in a spherical shape (circular shape), and errors caused by the shape of the earth are completely negligible.
In addition, because the invention does not have a GPS antenna configured as other methods in the prior art and can measure the hole depth at the same time, the invention detects the drilling depth in real time by using the hole depth detection device 9 when in work, and judges whether the drilling is a slag hole or a water hole or whether the underground is a particularly hard rock body by using the auxiliary matching of the motor rotation speed and the motor current of the drill rod motor 12, specifically:
Step one, preparing comparison data and inputting the comparison data into a machine intelligent terminal 8, wherein the comparison data comprises:
collecting the average motor rotation speed S Flat plate (RPM) of the rotary drill during drilling of the rotary drill for the last year;
Collecting average motor current of C Flat plate (A) when the rotary drill drills in the last year;
(III) collecting the average drilling speed V Flat plate (m/10 min) of the drilling holes of the rotary drill for the last year;
step two: when the rotary drill works, the current drilling real-time motor rotating speed S (RPM), the real-time motor current C (A) and the real-time drill speed V (m/10 min) are collected;
step three: comparing and judging the real-time data obtained in the second step with the comparison data obtained in the first step, wherein the comparison and judgment are specifically as follows:
if the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is between 0.85 and 1.15, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is between 0.85 and 1.15, and meanwhile, the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is less than 0.5, namely judging that the current drilling hole is a slag hole;
(II) if the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is between 0.85 and 1.15, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is between 0.85 and 1.15, and meanwhile, the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is more than 2.0, namely judging that the current drilling hole is a water hole;
And (III) if the result of dividing the real-time rotating speed S (RPM) by the average motor rotating speed S Flat plate (RPM) is more than 2.0, the result of dividing the real-time motor current C (A) by the average motor current C Flat plate (A) is more than 2.0, and the result of dividing the real-time drilling machine speed V (m/10 min) by the average drilling machine speed V Flat plate (m/10 min) is less than 0.5, namely judging that the underground is a hard rock mass.
Claims (7)
1. A positioning method of an auxiliary drilling system of a rotary drill is characterized by comprising the following steps of: the rotary drill auxiliary drilling system comprises an acquisition electric cabinet (1), a main measuring antenna (3), an auxiliary measuring antenna (4), a rotary tachometer (5), a rotary ammeter (6), a drill rod (11) and a drill rod motor (12) which are arranged on the rotary drill, wherein the main measuring antenna (3) is arranged at the head end A of the rotary drill, the auxiliary measuring antenna (4) is arranged at the tail end B of the rotary drill, the drill rod (11) is arranged at the head end Z of the rotary drill, an included angle theta 2 is formed between ZA and BA, a GNSS receiver is arranged in the acquisition electric cabinet (1), the main measuring antenna (3) and the auxiliary measuring antenna (4) acquire longitude and latitude information through the GNSS receiver, the drill rod motor (12) detects the rotating speed of the drill through the rotary tachometer (5) and detects the motor current of the drill through the rotary ammeter (6), the acquisition electric cabinet (1) is connected with a machine intelligent terminal (8) arranged in a cab, and the longitude and latitude information of the auxiliary measuring antenna (3), the longitude and latitude information of the rotary tachometer (4) are detected through the intelligent terminal (8) and the intelligent terminal (8) are transmitted to the intelligent terminal (8);
the positioning method of the rotary drill auxiliary drilling system comprises the following steps:
Step one: measuring to obtain the distance L between the main measuring antenna (3) and the drill rod (11), namely ZA=L, and measuring to obtain the included angle theta 2 between ZA and BA;
Step two: acquiring real-time longitude A lon and real-time latitude A lat of the position A of the main measuring antenna (3) and real-time longitude B lon and real-time latitude B lat of the position B of the auxiliary measuring antenna (4) by acquiring a GNSS receiver in the electric cabinet (1);
Step three: calculating an included angle theta between BA and the north direction by taking the position A of the main measuring antenna (3) as a vertex, and obtaining an included angle theta 1＝θ-θ2 between ZA and the north direction;
Step four: according to the L obtained in the first step and the theta 1 obtained in the third step, calculating the distance X lon between the drill rod (11) and the position A of the main measuring antenna (3) in the longitudinal direction and the distance Y lat between the drill rod (11) and the position A of the main measuring antenna (3) in the latitudinal direction:
Xlon＝L×sin(θ1)；
Ylat＝L×cos(θ1)；
step five: the spherical radius rb of the latitude of the position a of the main measurement antenna (3) is calculated using the following formula (a):
In the above formula (1), re is the earth equatorial radius, and rp is the earth polar radius;
step six: calculating the radius rlat of the latitude circle of the position a of the main measurement antenna (3) using the following formula (b):
Step seven: obtaining the drill rod (11) longitude D LON according to the following formula (c):
Step eight: obtaining a drill rod (11) latitude D Lat according to the following formula (D):
Step nine: the longitude and latitude of the obtained drill rod (11) are displayed on a screen of the intelligent machine terminal (8) and prompt a driver to drive.
2. The method for positioning a roller cone drilling rig auxiliary drilling system according to claim 1, wherein: the rotary drill head end is provided with a hole depth detection device (9), and the rotary drill is provided with an electric energy meter (7).
3. The method for positioning a roller cone drilling rig auxiliary drilling system according to claim 2, wherein: the intelligent data acquisition system is characterized in that the acquisition electric cabinet (1) is provided with an intelligent data acquisition controller, and the longitude and latitude information of the main measurement antenna (3), the longitude and latitude information of the auxiliary measurement antenna (4), the detection data of the rotary tachometer (5), the detection data of the rotary ammeter (6), the detection data of the hole depth detection device (9) and the detection data of the electric energy meter (7) are transmitted to the intelligent terminal (8) through the intelligent data acquisition controller.
4. A method of positioning a roller cone drilling rig auxiliary drilling system according to claim 3, wherein: the intelligent power supply system is characterized in that a terminal block is arranged inside the acquisition electric cabinet (1), and a main measurement antenna (3) cable, an auxiliary measurement antenna (4) cable, a rotary tachometer (5) cable, a rotary ammeter (6) cable, an electric energy meter (7) cable, a communication cable and a power supply cable of the machine intelligent terminal (8) and a hole depth detection device (9) cable are all inserted on the terminal block.
5. The method for positioning a roller cone drilling rig auxiliary drilling system according to claim 1, wherein: the inside of the acquisition electric cabinet (1) is provided with an air switch, a direct-current power supply, a 4G/5G router, an exchanger, a hard disk video device and a data transmission radio station.
6. The method for positioning a roller cone drilling rig auxiliary drilling system according to claim 5, wherein: and a radio station antenna (2) is arranged on the rotary drilling machine, and the radio station antenna (2) is connected with the data transmission radio station.
7. The method for positioning a roller cone drilling rig auxiliary drilling system according to claim 1, wherein: an air conditioner (10) is arranged on the rotary drilling machine.
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| CN207884893U (en) * | 2018-02-23 | 2018-09-18 | 陕西西韩城际铁路有限公司 | A kind of long-spiral drilling machine pile foundation construction parameter monitoring system |
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| CA2895780C (en) * | 2013-01-17 | 2018-03-20 | Halliburton Energy Services, Inc. | Fast formation dip angle estimation systems and methods |
| DE112014000077B4 (en) * | 2014-06-02 | 2018-04-05 | Komatsu Ltd. | Control system for a construction machine, construction machine and method for controlling a construction machine |
| CN108549771A (en) * | 2018-04-13 | 2018-09-18 | 山东天星北斗信息科技有限公司 | A kind of excavator auxiliary construction system and method |
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