CN111364976B - Inclined plane drill bit direction recognition device and system of horizontal core drilling machine - Google Patents
Inclined plane drill bit direction recognition device and system of horizontal core drilling machine Download PDFInfo
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- CN111364976B CN111364976B CN202010255441.1A CN202010255441A CN111364976B CN 111364976 B CN111364976 B CN 111364976B CN 202010255441 A CN202010255441 A CN 202010255441A CN 111364976 B CN111364976 B CN 111364976B
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- 238000005553 drilling Methods 0.000 title claims abstract description 65
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 239000003550 marker Substances 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims description 11
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 20
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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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
- E21B47/02—Determining slope or direction
- E21B47/024—Determining slope or direction of devices in the borehole
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a device and a system for identifying the bit direction of a bevel of a horizontal core drilling machine, wherein when the drilling machine is stopped, a device body is stretched into a drill rod, well bevel angle, azimuth angle and tool face parameters are measured through an inclinometer, a plurality of position detection units are matched with a marking piece to detect the rotation angle of the bevel of the bit relative to a mounting joint, meanwhile, the rotation angle of the mounting joint is detected through a rotation angle detection unit, and the actual rotation angle of the bevel of the bit relative to a wellhead is obtained through the rotation angle of the bevel of the bit relative to the mounting joint and the rotation angle of the mounting joint, so that an operator can control the bevel direction according to the angle to accurately adjust the direction. The device has simple structure, no cable or other azimuth measuring mechanism is required to be arranged on the drilling machine, the device can be quickly taken out after the device operation is completed, and the device is simple to operate and convenient to set.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a device for identifying the azimuth of a bevel bit of a horizontal core drilling machine, and also relates to a system for identifying the azimuth of the bevel bit of the horizontal core drilling machine.
Background
The horizontal coring drilling machine is used for geological exploration before underground construction because of being capable of intuitively obtaining geological data of the rock core. However, the horizontal core drilling machine in the prior art only has a drilling function, and cannot accurately adjust the drilling direction in the drilling process. Once the drilling direction deviates from the design direction, the drilling machine can only retract as a whole, and the drilling direction is determined again to continue drilling. And the whole drilling machine is retracted for re-drilling, so that the time and the labor are consumed, accidents such as hole blocking and burying are extremely easy to occur, and great economic loss is caused. Among the prior art, the reasons why the horizontal core drilling machine cannot accurately adjust the direction in the drilling process are two: 1. the core drilling machine has a severe construction environment, usually high temperature, huge vibration and serious dust emission, so that a cable for supplying power and transmitting data for any electric control and real-time measurement sensor cannot be provided; 2. for accomplish the coring fast high-efficient, compare in other underground construction equipment, the rig design often small and exquisite, light, simple structure, and the core passageway needs to occupy the central passageway of whole core rig, so the accurate position measurement of horizontal drilling machine and steering mechanism are difficult to arrange on the rig.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a device for identifying the direction of a bevel bit of a horizontal core drilling machine, so as to solve the problems that the existing direction measurement and direction adjustment mechanism of the core drilling machine is difficult to be arranged and the accurate direction adjustment of the core drilling machine cannot be realized. A second object of the present invention is to provide a horizontal coring bit orientation recognition system including the above-described horizontal coring bit orientation recognition device.
In order to achieve the first object, the present invention provides the following technical solutions:
the utility model provides a horizontal core drill inclined plane drill bit position recognition device, includes the device body that can locate the drilling rod inside, the device body includes:
inclinometer for measuring parameters of well inclination angle, azimuth angle and tool face;
the drill bit inclined plane rotation angle detection assembly comprises a mounting section, a plurality of position detection units and a marking piece, wherein the position detection units are uniformly arranged along the circumferential direction of the mounting section, the marking piece is used for marking the position of the drill bit inclined plane on the circumferential inner wall of a drill rod, and the position detection units are used for detecting the position of the marking piece on the circumferential inner wall of the drill rod so as to obtain the rotation angle of the drill bit inclined plane relative to the mounting section;
and the rotation angle detection unit is used for detecting the rotation angle of the mounting joint, and the actual rotation angle of the drill bit inclined plane relative to the wellhead is obtained according to the rotation angle and the rotation angle.
Preferably, the drill bit inclined plane rotation angle detection assembly further comprises a first circuit board and a first battery assembly, wherein the first circuit board and the first battery assembly are respectively connected with the position detection unit and the rotation angle detection unit, and the first circuit board comprises a first data storage module for offline data export.
Preferably, the inclinometer includes a second battery assembly and a second circuit board including a second data storage module for offline data export.
Preferably, the number of the position detection units is specifically 4 or 6.
Preferably, the rotation angle detection unit is specifically an acceleration sensor, and the acceleration sensor is disposed in the mounting section to detect the rotation angle of the mounting section.
Preferably, the position detection unit is an electromagnetic proximity switch, and the marker is a permanent magnet.
Preferably, a centralizing shock absorber and a magnetism isolating extension rod are sequentially arranged between the inclinometer and the drill bit inclined plane rotation angle detection assembly, and the magnetism isolating extension rod is connected with the drill bit inclined plane rotation angle detection assembly through an adapter;
the front end of the inclinometer is sequentially provided with a guide head, a wedge positioning piece and a vibration damping piece from outside to inside, wherein the wedge positioning piece is used for positioning the circumferential side wall of the drill rod.
Preferably, the permanent magnet is arranged on an intersection line of a vertical plane where the central line of the drill bit inclined plane is located and the circumferential side wall of the drill rod.
Preferably, the permanent magnet is an arc permanent magnet, and the outer circular wall of the arc permanent magnet is embedded with the circumferential side wall of the drill rod.
The invention provides a device for identifying the azimuth of a bevel bit of a horizontal core drilling machine, which comprises a device body capable of being arranged in a drill rod, wherein the device body comprises: inclinometer for measuring parameters of well inclination angle, azimuth angle and tool face; the drill bit inclined plane rotation angle detection assembly comprises a mounting section, a plurality of position detection units and a marking piece, wherein the position detection units are uniformly arranged along the circumferential direction of the mounting section, the marking piece is arranged on a drill rod and marks the position of the drill bit inclined plane, and the position detection units are used for detecting the position of the marking piece so as to obtain the rotation angle of the drill bit inclined plane relative to the mounting section; and the rotation angle detection unit is used for detecting the rotation angle of the installation joint, and the actual rotation angle of the drill bit inclined plane relative to the wellhead is obtained according to the rotation angle and the rotation angle.
When the horizontal core drilling machine inclined plane drill bit azimuth identification device provided by the invention is applied, when the drilling machine is stopped, the device body is stretched into the drill rod, the well inclination angle, the azimuth angle and the tool face parameters are measured through the inclinometer, a plurality of position detection units and the marking piece are matched to detect the rotation angle of the drill bit inclined plane relative to the installation section, meanwhile, the rotation angle of the installation section is detected through the rotation angle detection unit, and the actual rotation angle of the drill bit inclined plane relative to the wellhead is obtained through the rotation angle of the drill bit inclined plane relative to the installation section and the rotation angle of the installation section, so that an operator can control the inclined plane direction according to the angle to accurately adjust the direction. The device has simple structure, no cable or other azimuth measuring mechanism is required to be arranged on the drilling machine, the device can be quickly taken out after the device operation is completed, and the device is simple to operate and convenient to set.
In order to achieve the second object, the invention provides a bevel bit direction recognition system of a horizontal core drilling machine, which comprises a main control device and the bevel bit direction recognition device of the horizontal core drilling machine according to any embodiment, wherein an inclinometer and a bit bevel rotation angle detection assembly are respectively connected with the main control device through a wireless communication module. Because the inclined-plane bit direction recognition device of the horizontal core drilling machine has the technical effects, the inclined-plane bit direction recognition system of the horizontal core drilling machine with the inclined-plane bit direction recognition device of the horizontal core drilling machine has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for identifying the direction of a bevel bit of a horizontal core drilling machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a bit bevel rotation angle detection assembly and a bit bevel position structure according to an embodiment of the present invention.
The figures are marked as follows:
the device comprises a guide head 1, a wedge positioning piece 2, a vibration reduction piece 3, an inclinometer 4, a centralizing vibration damper 5, a magnetism isolating extension bar 6, an adapter 7, a drill bit inclined plane rotation angle detection assembly 8, a drill rod 9, a mounting joint 10, an electromagnetic induction switch 11, a marking piece 12 and a drill bit inclined plane 13.
Detailed Description
The embodiment of the invention discloses a bevel bit azimuth recognition device of a horizontal core drilling machine, which aims to solve the problems that an azimuth measurement and direction adjustment mechanism of the existing core drilling machine is difficult to arrange and accurate direction adjustment of the core drilling machine cannot be realized.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a device for identifying the direction of a bevel bit of a horizontal coring drilling machine according to an embodiment of the present invention; fig. 2 is a schematic diagram of a bit bevel rotation angle detection assembly and a bit bevel position structure according to an embodiment of the present invention.
In a specific embodiment, the device for identifying the direction of the inclined plane drill bit of the horizontal core drilling machine provided by the invention comprises a device body capable of being arranged in the drill rod 9, wherein the device body comprises:
inclinometer 4 for measuring well inclination, azimuth and toolface parameters; the inclinometer 4 measures the well inclination angle, azimuth angle and tool face parameters of the inclinometer 4 through three mutually perpendicular installed gravity accelerometers, the inclinometer 4 can store data, after measurement is finished, the inclinometer 4 can be pulled out off-line to lead out the data, and the inclinometer 4 is mature existing equipment which can be set according to the development level of the prior art.
The drill bit inclined surface 13 rotation angle detection assembly 8, the drill bit inclined surface 13 rotation angle detection assembly 8 comprises a mounting joint 10, a plurality of position detection units uniformly arranged along the circumferential direction of the mounting joint 10 and a marker 12 used for marking the position of the drill bit inclined surface 13 on the circumferential inner wall of the drill rod 9, wherein the plurality of position detection units are used for detecting the position of the marker 12 on the circumferential inner wall of the drill rod 9 to obtain the rotation angle of the drill bit inclined surface 13 relative to the mounting joint 10;
the marker 12 may be disposed at a corresponding position of the drill bit inclined surface 13 on the circumferential inner wall of the drill pipe 9, the marker 12 may be disposed in line with the tip of the drill bit inclined surface 13, or on an intersecting line of a vertical plane where the center line of the drill bit inclined surface 13 is located and the circumferential inner wall of the drill pipe 9, the position of the marker 12 may be set as required, so as to calculate the rotation angle between the drill bit inclined surface 13 and the wellhead.
The rotation angle detection unit is used for detecting the rotation angle of the installation joint 10, and the actual rotation angle of the drill bit inclined plane 13 relative to the wellhead is obtained according to the rotation angle and the rotation angle.
The installation section 10 is preferably provided as an annular sleeve, preferably, a plurality of position detection units are uniformly arranged along the circumferential direction of the installation section 10, when the device body is installed in the drill rod 9, the position detection units close to the marker 12 detect the marker 12 to store data or send signals to the control device so as to detect the position of the marker 12, and the rotation angle of the drill bit inclined plane 13 relative to the installation section 10 and the quadrant where the drill bit inclined plane 13 is located are obtained according to calculation.
The number of the position detecting units is preferably 4 or 6, the number of the position detecting units is 4, four position detecting units are respectively arranged on the x axis and the y axis to form four quadrants, the quadrant where the marker 12 is located is judged according to the detection signals of the position detecting units, meanwhile, the angle calculation can be carried out according to the current/voltage of the detection signals, and 6 position detecting units are preferably arranged to improve the detection precision, and the number of the position detecting units can be set according to the installation space of the installation section 10 and the detection precision.
And the rotation angle of the device body when entering the drill rod 9 is measured through the rotation angle detection units, so that the offset angle of each position detection unit relative to the wellhead is obtained, and the actual rotation angle of the drill bit inclined plane 13 relative to the wellhead and the quadrant where the drill bit inclined plane 13 is located are obtained. The rotation angle detection unit may be specifically an acceleration sensor, which is disposed in the mounting section 10 to detect the rotation angle of the mounting section 10, and may be an encoder, an angle sensor, or the like in other embodiments, and may be set as needed.
It can be understood that the position detecting unit is connected with a battery and a circuit board to realize normal detection operation, and the specific structure and connection relation of the battery and the circuit board can refer to the prior art.
When the horizontal core drilling machine inclined plane drill bit azimuth recognition device provided by the invention is applied, when the drilling machine is stopped, the device body is stretched into the drill rod 9, the well inclination angle, the azimuth angle and the tool face parameters are measured through the inclinometer 4, a plurality of position detection units are matched with the marker 12 to detect the rotation angle of the drill bit inclined plane 13 relative to the installation joint 10, meanwhile, the rotation angle of the installation joint 10 is detected through the rotation angle detection unit, and the actual rotation angle of the drill bit inclined plane relative to the wellhead is obtained through the rotation angle of the drill bit inclined plane 13 relative to the installation joint 10 and the rotation angle of the installation joint 10, so that an operator can control the inclined plane direction according to the angle to accurately adjust the direction. The device has simple structure, no cable or other azimuth measuring mechanism is required to be arranged on the drilling machine, the device can be quickly taken out after the device operation is completed, and the device is simple to operate and convenient to set.
Specifically, the drill bit inclined plane 13 rotation angle detection assembly 8 further includes a first circuit board and a first battery assembly, which are respectively connected with the position detection unit and the rotation angle detection unit, the first circuit board includes a first data storage module for offline data export, the first data storage module may be specifically an SD card, the first circuit board and the first battery assembly are respectively disposed on the mounting section 10, and preferably, the first data storage module is disposed on the first circuit board to realize data storage, such as may be realized through a control chip.
Further, inclinometer 4 includes a second battery assembly and a second circuit board that includes a second data storage module for offline data export. The specific structure and connection relation of the second battery assembly, the second circuit board and the second data storage module can refer to the prior art, and the specific structure and connection relation are not repeated herein, so that the data storage of the inclinometer 4 and the drill bit inclined plane 13 rotation angle detection assembly 8 can be realized respectively, the data measurement can be realized without an external connection cable, and the data derivation can be performed offline after the measurement, so that the installation and the measurement operation are convenient.
On the basis of the above embodiments, the position detection unit is specifically an electromagnetic proximity switch, and the marker 12 is specifically a permanent magnet. The electromagnetic proximity switch is suitable for use in a mud and water drill pipe 9 and can ensure detection accuracy, in other embodiments, a position detection unit may be provided according to the state of the art, all within the scope of the present invention.
In one embodiment, a centralizing shock absorber 5 and a magnetism isolating extension rod 6 are sequentially arranged between the inclinometer 4 and the drill bit inclined surface 13 rotation angle detection component 8, and the magnetism isolating extension rod 6 is connected with the drill bit inclined surface 13 rotation angle detection component 8 through an adapter 7; the order of the inclinometer 4 and the drill bit bevel rotation angle detection assembly is not limited, replacement can be performed in other embodiments, the righting shock absorber 5 reduces the position deviation of the pipe body, the electromagnetic induction switch 11 is enabled to measure in a non-magnetic environment by arranging the magnetism isolating extension rod 6, the length of the magnetism isolating extension rod 6 can be set to be 3 meters, and the length of the magnetism isolating extension rod 6 is set according to needs in other embodiments. The adapter 7 is detachably and fixedly connected with the magnetism isolating extension bar 6 and the mounting joint 10 respectively, such as by bolts and the like. The other end of the installation section 10 can be provided with a piston, a bracket and a steel wire lock head to realize auxiliary device fixation, and simultaneously, the whole device body can be conveniently pulled out and fed in.
Further, the front end of the inclinometer 4 is provided with a guide head 1, a wedge positioning piece 2 for positioning with the circumferential side wall of the drill rod 9 and a vibration damper 3 in sequence from outside to inside. The motion process of the device body entering the drill rod 9 is guided by the guide head 1, and meanwhile, a positioning boss is arranged on the circumferential side wall of the drill rod 9 and matched with the wedge positioning piece 2 to position the device body, so that the position of the inclinometer 4 is fixed during each measurement. Vibration of the inclinometer 4 in the moving process and positioning of the wedge positioning piece 2 is reduced through the vibration reduction piece 3, measurement accuracy is improved, and meanwhile the service life of the device is prolonged.
Specifically, the permanent magnet is disposed on the intersection line of the vertical plane where the center line of the drill bit inclined plane 13 is located and the circumferential side wall of the drill rod 9, the vertical plane where the center line is located is perpendicular to the drill bit inclined plane 13, the permanent magnet is preferably disposed at the rear position of the intersection line, the permanent magnet is an arc-shaped permanent magnet, the outer circumferential wall of the arc-shaped permanent magnet is embedded with the circumferential side wall of the drill rod 9, the contact area between the permanent magnet and the circumferential side wall of the drill rod 9 is increased, the stability is improved, the specific shape of the permanent magnet can be set according to the installation space, and the shape of the permanent magnet is not limited. In the actual measurement process, when the installation joint 10 passes through the arc permanent magnet area, an electromagnetic proximity switch is provided with an induction signal, so that the rotation angle of the drill bit inclined plane 13 relative to the installation joint 10 is determined, and the quadrant of the drill bit inclined plane 13 relative to the actual rotation angle of the wellhead can be calculated by combining accelerometer data (namely the rotation angle of the electromagnetic induction pup joint in the feeding process), so that the effective direction adjustment of the inclined plane direction is definitely controlled.
The device can realize accurate measurement of the drilling track of the long-distance horizontal drilling machine; meanwhile, the magnetic induction pup joint is matched with the direction adjustment requirement of the bevel bit, so that the quadrant of the bevel bit relative to the rotation angle of the wellhead can be accurately judged, and reference data is provided for accurate direction adjustment of an operator. In order to ensure continuous coring of the coring drilling machine, the whole central passage of the drilling machine is designed as a coring passage. When the coring drilling machine performs coring drilling, the coring channel is filled with a rock core; when the coring drilling machine is stopped, the empty coring channel can be used as a measuring channel, the whole device is fed into and measured, the measuring result is stored by the data storage module, and after the measuring is finished, the data is exported offline to software for processing.
Based on the device for identifying the direction of the inclined plane drill bit of the horizontal core drilling machine provided by the embodiment, the invention also provides a system for identifying the direction of the inclined plane drill bit of the horizontal core drilling machine, which comprises a main control device and the device for identifying the direction of the inclined plane drill bit of the horizontal core drilling machine, wherein the inclinometer 4 and the rotating angle detection assembly 8 of the inclined plane 13 of the drill bit are respectively connected with a wireless communication module of the main control device. Preferably, the inclinometer 4, the electromagnetic induction switch 11 and the rotation angle detection unit are respectively connected with the main control device through a Bluetooth module, so that wireless transmission of data is realized.
Meanwhile, the inclined-plane bit direction recognition system of the horizontal core drilling machine adopts the inclined-plane bit direction recognition device of the horizontal core drilling machine in the embodiment, so that the inclined-plane bit direction recognition system of the horizontal core drilling machine has the beneficial effects as shown in the embodiment.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a horizontal core drill inclined plane drill bit position recognition device which characterized in that, including the device body that can locate the drilling rod inside, the device body includes:
inclinometer for measuring parameters of well inclination angle, azimuth angle and tool face;
the drill bit inclined plane rotation angle detection assembly comprises a mounting section, a plurality of position detection units and a marking piece, wherein the position detection units are uniformly arranged along the circumferential direction of the mounting section, the marking piece is used for marking the position of the drill bit inclined plane on the circumferential inner wall of a drill rod, and the position detection units are used for detecting the position of the marking piece on the circumferential inner wall of the drill rod so as to obtain the rotation angle of the drill bit inclined plane relative to the mounting section;
and the rotation angle detection unit is used for detecting the rotation angle of the mounting joint, and the actual rotation angle of the drill bit inclined plane relative to the wellhead is obtained according to the rotation angle and the rotation angle.
2. The horizontal core drill bit orientation identification device of claim 1, wherein the bit bevel rotational angle detection assembly further comprises:
and the first circuit board comprises a first data storage module used for offline data export.
3. The horizontal core drill bit orientation identification device of claim 1 wherein the inclinometer comprises a second battery assembly and a second circuit board that includes a second data storage module for offline data export.
4. The device for identifying the orientation of the bevel bit of a horizontal core drilling machine according to claim 2, wherein the number of the position detection units is specifically 4 or 6.
5. The device for identifying the azimuth of the bevel bit of the horizontal core drilling machine according to claim 1, wherein the rotation angle detection unit is specifically an acceleration sensor, and the acceleration sensor is arranged in the mounting section to detect the rotation angle of the mounting section.
6. The device for identifying the orientation of the beveled drill bit of a horizontal coring drilling machine as set forth in any one of claims 1-5 wherein the position detection unit is embodied as an electromagnetic proximity switch and the marker is embodied as a permanent magnet.
7. The device for identifying the azimuth of the inclined-plane drill bit of the horizontal core drilling machine according to claim 6, wherein a centralizing damper and a magnetism isolating extension rod are sequentially arranged between the inclinometer and the drill bit inclined-plane rotation angle detection assembly, and the magnetism isolating extension rod is connected with the drill bit inclined-plane rotation angle detection assembly through an adapter;
the front end of the inclinometer is sequentially provided with a guide head, a wedge positioning piece and a vibration damping piece from outside to inside, wherein the wedge positioning piece is used for positioning the circumferential side wall of the drill rod.
8. The bit orientation recognition device for a bevel of a horizontal core drill according to claim 6, wherein the permanent magnet is disposed on an intersection line of a vertical plane on which a center line of the bevel of the bit is located and a circumferential side wall of the drill rod.
9. The bevel bit orientation recognition device of a horizontal core drilling machine according to claim 8, wherein the permanent magnet is an arc-shaped permanent magnet, and an outer circular wall of the arc-shaped permanent magnet is embedded with a circumferential side wall of the drill rod.
10. The bevel bit direction recognition system of the horizontal core drilling machine comprises a main control device and is characterized by further comprising the bevel bit direction recognition device of the horizontal core drilling machine according to any one of claims 1-9, wherein the inclinometer and the bit bevel rotation angle detection assembly are respectively connected with the main control device through a wireless communication module.
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| CN202010255441.1A CN111364976B (en) | 2020-04-02 | 2020-04-02 | Inclined plane drill bit direction recognition device and system of horizontal core drilling machine |
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| CN202010255441.1A CN111364976B (en) | 2020-04-02 | 2020-04-02 | Inclined plane drill bit direction recognition device and system of horizontal core drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324376A (en) * | 2020-11-13 | 2021-02-05 | 中国铁建重工集团股份有限公司 | Horizontal coring drilling machine and direction adjusting device thereof |
| CN112985355B (en) * | 2021-03-16 | 2023-02-17 | 上海工程机械厂有限公司 | Construction verticality monitoring method for stirring pile drilling machine |
| CN114658379B (en) * | 2022-05-09 | 2024-03-12 | 中国铁建重工集团股份有限公司 | Directional core drill and use method thereof |
| CN114753792B (en) * | 2022-05-17 | 2024-05-31 | 内蒙古煤勘新能源开发有限公司 | Rope coring well track monitoring device |
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