CN114658422B - Method and device for accurately measuring and calibrating deep hole - Google Patents
Method and device for accurately measuring and calibrating deep hole Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005553 drilling Methods 0.000 claims abstract description 94
- 238000005303 weighing Methods 0.000 claims abstract description 62
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 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
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- E21B47/04—Measuring depth or liquid level
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Abstract
The application provides an accurate measurement and calibration method of a deep hole, which comprises the steps of detecting the drilling distance of a vertical shaft and a main drill rod along the vertical direction through a displacement measurer so as to obtain a first hole depth; when the extension rod is lifted, the labels on the multiple additional drill rods are obtained in a scanning mode so as to obtain the second hole depth of the multiple additional drill rods penetrating into the ground; due to the fact that data are inaccurate and unstable in the scanning process, the number of the scanned labels is subjected to fitting calibration by measuring the tension value after each extension of the label by the weighing module, and then a second hole depth calibration value is obtained; and calculating the final drilling depth by adding the first hole depth to the second hole depth calibration value. This measuring method is simple, convenient, and through the calibration, can further reduce the possibility of mistake missing to sweep, guarantees deep hole measuring accuracy nature.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the technical field of drilling construction measurement, in particular to a method and a device for accurately measuring and calibrating a deep hole.
[ background of the invention ]
In work applications such as oil extraction, coal mining, construction drilling, geological exploration and the like, it is generally necessary to drill a hole to a desired depth on the ground using a drilling machine, in particular, a drilling rod is driven by the drilling machine to rotate, and the hole is formed by drilling underground by means of the drilling rod. And how to accurately know the actual depth of the current drilling hole is particularly important. In the invention patent with publication number CN112682029A, "a combined device and method for measuring drilling depth", a meter counter is mounted on a hoisting shaft wheel of a drilling machine, metal buckles with embedded electronic tags are mounted at two ends of a drill rod, and a radio frequency coil is matched with the combination of the electronic tags to measure the drilling depth. However, when the radio frequency identification technology is adopted to measure the drilling depth, the accuracy of reading by a radio frequency device is greatly depended on, and moreover, because the drill rod is greatly influenced by the formation environment in the drilling process, the electronic tag and the drilling tool are instable to install, the electronic tag and the drilling tool can cause mistaken scanning and missed scanning, and further the measuring result is influenced. Therefore, in order to accurately know the actual depth of the current drilling hole, a method and a device for accurately measuring and calibrating the deep hole need to be designed.
[ summary of the invention ]
The invention aims to provide a method and a device for accurately measuring and calibrating a deep hole, and aims to solve the problems of poor stability, large measurement error and low precision of a measurement mode in the prior art.
The embodiment of the application provides a method for accurately measuring and calibrating a deep hole, which comprises the following steps:
step one, installing a drilling machine at a preset drill hole, connecting a displacement measurer and a weighing module to the drilling machine, and moving the drilling machine to the top end of a vertical shaft;
starting a drilling machine to drive the vertical shaft and the main drill rod to move up and down, and performing extension rod and deep hole drilling; simultaneously, starting a displacement measurer and a weighing module, wherein the displacement measurer and the weighing module are respectively and electrically connected with a control center; the control center is used for storing and processing the detection values of the displacement measurer and the weighing module;
thirdly, detecting the drilling distance of the vertical shaft and the main drill rod along the vertical direction by using a displacement measurer, and recording the drilling distance as a first hole depth D1;
step four, continuously connecting the rods and vertically drilling; when the extension rod is lifted, the labels on the multiple additional drill rods are obtained in a scanning mode, so that the second hole depth D2 of the multiple additional drill rods penetrating into the ground is obtained; meanwhile, the weighing module is subjected to a pulling force opposite to the drilling direction of the drilling machine, when the pulling force value reaches the threshold value of the weighing module, the weighing module is started, and the measured pulling force value is recorded;
the tension values of the vertical shaft and the main drill rod during rod lifting are G1, and after each rod connection, the weighing module measures the tension values G2 and G3 of the vertical shaft, the main drill rod and the additional drill rod until reaching the tension value Gn at the deepest position; fitting the successively measured pulling force value and the successively measured second hole depth value and calibrating the second hole depth to obtain a second hole depth calibration value;
and step five, calculating the final depth of the drilled hole by adding the first hole depth to the second hole depth calibration value.
Further, the fitting calibration of the second hole depth is carried out through the tension value Gn in the fourth step, specifically, the tension values of the vertical shaft, the main drill rod and the additional drill rod and the number of the labels of the additional drill rod are fitted in an arithmetic progression mode, and then the drilled hole depth value is obtained.
Further, the threshold in the fourth step is a weight value G0 of the upright column and the main drill rod when the drilling is started; the measurement is started when the tension measured by the weighing module is greater than a threshold value G0.
Further, the weighing module stops drilling or lifting for 5-15s during measurement, and values are taken after data are stable.
Further, before the weighing module measures the tension values Gn of the vertical shaft and the deepest part of the plurality of drill rods, the method further comprises the following steps:
shaking the vertical shaft and the plurality of drill rods up and down along the vertical direction;
and standing the shaken vertical shaft and the plurality of drill rods for a period of time.
Further, the time for standing the shaken vertical shaft and drill rod is more than 10s.
Furthermore, an infrared radio frequency device is adopted for scanning in the fourth step.
Further, an accurate measuring device for a deep hole is provided, which comprises:
a drilling machine;
the displacement measurer is connected to the drilling machine and used for detecting the moving distance of the drilling machine along the vertical direction;
the weighing module is connected to the drilling machine and electrically connected with the displacement measurer, and is provided with a measuring threshold value so as to measure the tension when the tension applied to the weighing module reaches the measuring threshold value;
the control center is used for storing and processing the measurement values of the displacement measurer and the weighing module and performing mathematical calculation;
the vertical shaft can be inserted into the ground;
and the main drill rod and the additional drill rod are respectively arranged at the lower end of the vertical shaft in the vertical direction and are used for being inserted into the ground.
Furthermore, the precise measuring device for the deep hole further comprises a scanning piece and an identification label arranged on each additional drill rod;
the identification tags can be respectively attached to the upper end and the lower end of each additional drill rod in the vertical direction;
the scanning piece is arranged on the ground to scan the identification tag, so that the length of the plurality of additional drill rods penetrating into the ground is calculated.
Further, the precise measuring device for the deep hole further comprises a connecting piece;
the connecting piece is vertically arranged between the vertical rod and the drilling machine so as to drive the vertical shaft and the plurality of drill rods to move along the vertical direction.
The application has at least the following beneficial effects:
1. the method comprises the steps that the distance of a vertical shaft and a main drill rod which are drilled in the vertical direction is detected through a displacement measurer, and therefore a first hole depth is obtained; when the extension rod is lifted, the labels on the multiple additional drill rods are obtained in a scanning mode so as to obtain the second hole depth of the multiple additional drill rods penetrating into the ground; due to the fact that data are inaccurate and unstable in the scanning process, the number of the scanned labels is subjected to fitting calibration by measuring the tension value after extension of each time through the weighing module, and then a second hole depth calibration value is obtained; and calculating the final drilling depth by adding the first hole depth to the second hole depth calibration value. This measuring method is simple, convenient, and through the calibration, can further reduce the mistake and sweep, miss the possibility of sweeping, guarantee the accuracy nature of deep hole measurement.
2. When the weighing module is used for measuring, the drilling machine stops running for a period of time, the time for stopping running is 5-15s, and the value is taken after data are stable. In the stopping time period, the drill rod can keep static relative to the ground, and upward or downward movement trend can not exist, so that the measurement error caused by inertial motion in the rod pulling process is avoided, the pulling force of the drill rod is measured after the drill rod is static, and the accuracy of data is better ensured.
[ description of the drawings ]
Fig. 1 is a flow chart of a method for accurately measuring and calibrating a medium-length hole according to a second embodiment of the present application.
[ detailed description ] embodiments
The embodiments of the present application will be described in conjunction with the drawings in the embodiments of the present application, and it is to be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for illustrative purposes only.
Example one
The embodiment of the application provides an accurate measuring device of deep hole, including rig, displacement measurement ware, weighing module, vertical scroll, main drilling rod, a plurality of additional drilling rods and scanning piece. The drilling machine is used for grabbing the vertical shaft and pulling out the vertical shaft and the drill rods from the ground. The displacement measurer is connected to the drilling machine and used for detecting the moving distance of the drilling machine along the vertical direction; the weighing module is connected to the drilling machine and electrically connected with the displacement measurer, wherein the weighing module is provided with a measuring threshold value so as to measure the tension when the tension applied to the weighing module reaches the measuring threshold value; the vertical shaft and the plurality of drill rods can be inserted into the opening on the ground. Preferably, the vertical shaft is directly connected with the lifting device, and the vertical shaft is provided with a structure which is matched and connected with the lifting device. The main drill rod is arranged at the lower end of the vertical shaft along the vertical direction and is driven by the vertical shaft to drill; and the plurality of additional drill rods are respectively arranged at the lower end of the main drill rod along the vertical direction and are used for continuing the depth of inserting into the ground so as to be suitable for drilling holes with different depths. The scanning element is used for detecting the lengths of the plurality of additional drill rods when the vertical shaft and the plurality of drill rods are pulled out of the ground so as to calculate the total depth of the hole by combining the depths of the vertical shaft and the main drill rod penetrating into the ground.
In one embodiment, the diameter of the drilling machine is greater than or equal to the diameter of the vertical shaft, so that the drilling machine can be fixed at the upper end of the vertical shaft when being pulled up from the ground and sleeved on the vertical shaft. Preferably, the drilling machine is of a cylindrical structure with the diameter larger than that of the vertical shaft, and a connecting piece used for fixing or loosening the vertical shaft is arranged on the drilling machine, so that the drilling machine is sleeved on the vertical shaft and is convenient to fix the vertical shaft, and the problem that the vertical shaft and a plurality of drill rods are loosened and fall off in the hoisting process when the vertical shaft and the drill rods are heavy is solved. It will be appreciated that the type, shape and size of the drill is not limited thereto, and that in other embodiments the drill may be other structures of varying sizes that can pick up the vertical shaft.
Preferably, the displacement measurer is a winch stroke meter, so that when the drilling machine drives the vertical shaft and the main drill rod to drill, the displacement measurer can calculate the moving distance of the drilling machine along the vertical direction, and the first depth of the hole can be conveniently calculated. It will be appreciated that the type of displacement gauge is not limited thereto, as in another embodiment, the displacement gauge may also be other structures or devices capable of measuring the vertical movement distance of the drilling rig, such as a displacement sensor.
Further, in one embodiment, the weighing module is a gravity sensor, the weighing module has a measurement threshold, and the weighing module does not detect when the weight does not reach the measurement threshold. The measurement threshold is the weight value G0 of the upright post and the main drill rod; the measuring is started when the pulling force measured by the weighing module is greater than a threshold value G0, namely, in the process that the drilling machine moves from the placing position and is fixed at the upper end of the vertical shaft, the pulling force value is not counted by the weighing module, when the drilling machine and the main drill rod lift rod are lifted, the pulling force value detected by the weighing module at the moment exceeds the weight value G0 of the vertical column and the main drill rod due to the action of friction force, and the weighing module starts to detect.
Preferably, the device for accurately measuring deep holes further comprises a control center electrically connected with the weighing module and the displacement measurer, and the control center is used for storing and processing the measurement values of the displacement measurer and the weighing module and performing mathematical calculation.
In order to facilitate the detection of the lengths of the plurality of additional drill rods and accurately calculate the depth of the additional drill rods extending into the ground, the precise measuring device for the deep hole further comprises an identification tag arranged on each additional drill rod, so that when the plurality of additional drill rods are pulled out of the ground, the scanning part scans the identification tags on the plurality of additional drill rods and calculates the depth of the plurality of additional drill rods extending into the ground.
In one embodiment, the scanning element is located at the surface and the identification tag is located at the bottom end of each additional drill pipe, such that when the bottom end of each additional drill pipe is pulled out of the surface, the scanning element can scan the corresponding identification tag, thereby completing the measurement of the displacement of the drill pipe.
Further, in order to facilitate monitoring of the detection progress, in an embodiment, two identification tags are provided on each additional drill rod, and the two identification tags are respectively arranged at the head end and the tail end of each additional drill rod, so that the position of the additional drill rod can be detected immediately after the additional drill rod extends out of the ground and the additional drill rod extends out of the ground.
Furthermore, a plurality of identification tags are arranged on each additional drill rod respectively and uniformly, so that the detection position of the additional drill rod can be detected more accurately.
Preferably, the identification tag is a two-dimensional code recording the length and the model of the additional drill rod, the scanning element is a radio frequency device capable of scanning the two-dimensional code, and the scanning element is an infrared radio frequency device, so that when the vertical shaft and the plurality of drill rods are pulled out of the ground, the scanning element emits infrared raster light to irradiate the identification tag on the scanning element and identify corresponding length information. It is clear that the identification tag and scanning element may also be other marking or scanning arrangements that can cooperate to obtain a particular length and type of additional drill pipe.
Example two
In combination with the above apparatus for accurately measuring a deep hole, a second embodiment of the present application provides a method for accurately measuring and calibrating a deep hole, which is applied to the apparatus for accurately measuring a deep hole in the first embodiment, and includes the following steps:
and S10, connecting the displacement measurer and the weighing module to the drilling machine, and moving the drilling machine to the top end of the vertical shaft.
It should be noted that the drilling machine is placed in a specific position before use. Preferably, the drilling rig is placed on the ground. When in use, the drilling machine is hoisted by the hoisting machine and is arranged at the top end of the vertical shaft.
Step two S20, starting a drilling machine to drive the vertical shaft and the main drill rod to move up and down, and performing extension rod and deep hole drilling; simultaneously, starting a displacement measurer and a weighing module which are respectively and electrically connected with a control center; the control center is used for storing and processing the detection values of the displacement measurer and the weighing module;
step three S30, the displacement measurer detects the vertical drilling distance between the vertical shaft and the main drill rod and records the vertical drilling distance as a first hole depth D 1 ；
It should be noted that, the drilling machine is installed behind the top end of the vertical shaft, the main drill rod is vertically installed at the bottom of the vertical shaft, the vertical shaft and the main drill rod continuously drill towards the ground under the driving of the drilling machine, the displacement measurer is connected with the drilling machine, the distance between the vertical shaft and the main drill rod which drill towards the ground along the vertical direction is calculated through the displacement of the drilling machine, and the distance is the first hole depth.
Step four S40, continuously connecting rods and vertically drilling; when the extension rod is lifted, the labels on the multiple additional drill rods are obtained in a scanning mode to obtain the second hole depth D of the multiple additional drill rods penetrating into the ground 2 ；
Meanwhile, the weighing module is subjected to a pulling force opposite to the drilling direction of the drilling machine, when the pulling force value reaches the threshold value of the weighing module, the weighing module is started, and the measured pulling force value is recorded; the tension value of the vertical shaft and the main drill rod is G1 when the main drill rod is pulled down, and after the rod is connected each time, the weighing module measures the tension values G2 and G3 of the vertical shaft, the main drill rod and the additional drill rod until reaching the tension value Gn at the deepest position;
fitting the successively measured pulling force value and the successively measured second hole depth value and calibrating the second hole depth to obtain a second hole depth calibration value;
the scanning method in the step four S40 further includes the steps of:
s411: arranging a corresponding identification tag according to the length of each additional drill rod, and attaching the identification tag to each additional drill rod;
s412: and scanning each identification tag to calculate the length of each additional drill rod extending out of the ground.
It should be noted that each additional drill rod has its own corresponding specification, the additional drill rods of different specifications have a certain length, and the information of the additional drill rods is generated on an identification tag, and the identification tag is scanned to obtain the length of the corresponding additional drill rod. Preferably, the scanning member is an infrared radio frequency device, so that when the vertical shaft and the plurality of drill rods are pulled out of the ground, the scanning member emits infrared gratings to irradiate the identification tags on the scanning member and identify corresponding length information.
Furthermore, in one embodiment, there are two identification tags, and the two identification tags are respectively attached to the upper end and the lower end of the additional drill rod, so that when the additional drill rod is just pulled out of the ground and is completely pulled out of the ground, the scanning device can scan the identification tags, and the position of each additional drill rod can be accurately obtained.
In order to prevent that the mistake from sweeping, missing to sweep, this application adopts weighing module to measure the pulling force value after connecting the pole at every turn and carries out the fitting calibration to the label quantity of scanning to guarantee the exactness of label quantity. Specifically, the weighing module is a gravity sensor, the weighing module has a measurement threshold, and when the weight does not reach the measurement threshold, the weighing module does not detect. The measurement threshold is the weight value G0 of the upright post and the main drill rod; the measuring is started when the pulling force measured by the weighing module is greater than a threshold value G0, namely, in the process that the drilling machine moves from the placing position and is fixed at the upper end of the vertical shaft, the pulling force value is not counted by the weighing module, when the drilling machine and the main drill rod lift rod are lifted, the pulling force value detected by the weighing module at the moment exceeds the weight value G0 of the vertical column and the main drill rod due to the action of friction force, and the weighing module starts to detect.
In the drilling process of the drilling machine, in order to drill deeper holes, more additional drill rods need to be continuously spliced at the lower end of the main drill rod. After each rod connection, the weighing module measures tension values G2 and G3 of the stand column, the main drill rod and the additional drill rod in sequence until the tension value Gn at the deepest position; with the increase of the additional drill rod, the measured tension value gradually increases, the tension value and the number of the identification labels obtained by scanning are distributed in an arithmetic progression, and then the number of the identification labels can be calibrated through the tension value.
In addition, during the process of splicing the additional drill rods, the action of pulling the lower drill rod and the upper drill rod, namely the action of punching upwards or pressing downwards, is existed, and the rod replacement action is a technique commonly known in the art and is not required to be recited herein. The action of the dead man of this application only measurement vertical scroll and a plurality of drilling rod, only measure its pulling force that receives promptly to avoid when punching, measure pressure and pulling force simultaneously and the chaotic problem of measurement that appears, guaranteed the unicity of data, increased measuring accuracy nature.
In order to ensure the accuracy of measurement, the weighing module stops drilling or lifting for 5-15s during measurement, and takes a value after data is stable, so that the problem of measurement error caused by inertia when the drill rod is still in the motion process of a lower rod or a pull rod is prevented, the tension of the drill rod is measured after the drill rod is static, and the accuracy of the data is better ensured.
Further, before the weighing module measures the pulling force values Gn of the vertical shaft and the deepest part of the plurality of drill rods in the step four S40, the method further comprises the following steps:
s421: shaking the vertical shaft and the plurality of drill rods up and down along the vertical direction;
s422: the shaken vertical shaft 40 and plurality of drill rods 50 are allowed to stand for a period of time.
According to the scheme, the vertical shaft and the drill rods are vertically shaken up and down along the vertical direction before the drill rods reach the deepest part and the pulling force of the deepest part is measured, the vertical shaft and the drill rods are kept still for a period of time, soil attached to the periphery of the vertical shaft and the periphery of the drill rods is shaken off, and therefore the problem that the pulling force measurement is inaccurate due to the fact that the soil on the outer side is in friction and clamping with the inner wall of the hole when the pulling force of the vertical shaft and the pull rods at the deepest part is measured is solved. And peripheral earth is shaken off, so that the vertical shaft and the plurality of drill rods can be conveniently taken out, the problem of excessive energy loss caused by the friction of the earth when the vertical shaft and the plurality of drill rods are taken out is solved, the energy consumption is reduced, and the working efficiency is improved.
Further, the standing time of the vertical shaft and the plurality of drill rods after shaking is 5-15s, and preferably, the standing time is more than 10s.
And step five S50, calculating the final drilling depth by adding the first hole depth and the second hole depth calibration value.
While the foregoing is directed to embodiments of the present application, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (7)
1. A method for accurately measuring and calibrating a deep hole is characterized by comprising the following steps:
step one, installing a drilling machine at a preset drill hole, connecting a displacement measurer and a weighing module to the drilling machine, and moving the drilling machine to the top end of a vertical shaft;
step two, starting the drilling machine to drive the vertical shaft and the main drill rod to move up and down, and performing extension rod and deep hole drilling; simultaneously, starting a displacement measurer and a weighing module, wherein the displacement measurer and the weighing module are respectively and electrically connected with a control center; the control center is used for storing and processing the detection values of the displacement measurer and the weighing module;
thirdly, detecting the vertical drilling distance of the vertical shaft and the main drill rod by the displacement measurer, and recording the vertical drilling distance as a first hole depth D 1 ；
Step four, continuously connecting the rods and vertically drilling; when the extension rod is lifted, the labels on the multiple additional drill rods are obtained in a scanning mode to obtain the second hole depth D of the multiple additional drill rods penetrating into the ground 2 (ii) a Meanwhile, the weighing module is subjected to a tensile force opposite to the drilling direction of the drilling machine, when the tensile force value reaches the threshold value of the weighing module, the weighing module is started, and the measured tensile force value is recorded;
the tension value of the vertical shaft and the main drill rod is G1 when the main drill rod is pulled down, and after the rod is connected each time, the weighing module measures the tension values G2 and G3 of the vertical shaft, the main drill rod and the additional drill rod until reaching the tension value Gn at the deepest position; the successively measured tension value and the successively measured second hole depth D are compared 2 Fitting the values and fitting a second hole depth D 2 Calibrating to obtain a second hole depth D 2 A calibration value;
step five, using the second hole depth D 2 Calibration valueAdding the first hole depth to calculate the final depth of the drilled hole;
the second hole depth D as a function of the tension value Gn as described in step four 2 Fitting and calibrating, namely fitting the tension values of the vertical shaft, the main drill rod and the additional drill rod and the number of labels of the additional drill rod in an arithmetic progression mode to obtain a drilled hole depth value;
the threshold value in the fourth step is the weight value G0 of the upright post and the main drill rod when the drilling is started; starting to measure when the tension measured by the weighing module is greater than a threshold value G0;
and when the weighing module is used for measuring, stopping drilling or lifting for 5-15s, and taking a value after the data is stable.
2. The method of claim 1, wherein the step of measuring the tension value Gn of the vertical shaft and the deepest portion of the plurality of drill rods by the weighing module further comprises the steps of:
shaking the vertical shaft and the plurality of drill rods up and down along the vertical direction;
and standing the shaken vertical shaft and the plurality of drill rods for a period of time.
3. The method of claim 2, wherein the time for standing the shaken shaft and drill rod is greater than 10 seconds.
4. The method for accurately measuring and calibrating a deep hole according to claim 1, wherein the step four comprises scanning with an infrared radio frequency device.
5. An apparatus for accurately measuring a deep hole by applying the method for accurately measuring and calibrating a deep hole according to any one of claims 1 to 4, comprising:
a drilling machine;
the displacement measurer is connected to the drilling machine and used for detecting the moving distance of the drilling machine along the vertical direction;
the weighing module is connected to the drilling machine and electrically connected with the displacement measurer, and is provided with a measuring threshold value so as to measure the tension when the tension applied to the weighing module reaches the measuring threshold value;
the control center is used for storing and processing the measurement values of the displacement measurer and the weighing module and performing mathematical calculation;
the vertical shaft can be inserted into the ground;
and the main drill rod and the additional drill rod are respectively arranged at the lower end of the vertical shaft in the vertical direction and are used for being inserted into the ground.
6. The device for accurately measuring deep holes according to claim 5, wherein the device for accurately measuring deep holes further comprises a scanning member and an identification tag arranged on each additional drill rod;
the identification tags are respectively attached to the upper end and the lower end of each additional drill rod in the vertical direction;
the scanning piece is arranged on the ground to scan the identification tag, so that the length of the plurality of additional drill rods penetrating into the ground is calculated.
7. The device of claim 5, wherein the device further comprises a connecting member;
the connecting piece is vertically arranged between the vertical rod and the drilling machine so as to drive the vertical shaft and the plurality of drill rods to move along the vertical direction.
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| CN202210411265.5A CN114658422B (en) | 2022-04-19 | 2022-04-19 | Method and device for accurately measuring and calibrating deep hole |
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| CN112228043A (en) * | 2020-10-14 | 2021-01-15 | 深圳市城安物联科技有限公司 | Method and device for radio frequency measurement drilling |
| CN112240198B (en) * | 2020-10-14 | 2022-05-20 | 深圳市城安物联科技有限公司 | Method and device for measuring drilling depth by water level |
| CN112682029A (en) * | 2020-12-29 | 2021-04-20 | 深圳市城安物联科技有限公司 | Combined device and method for measuring drilling depth |
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| CA2603653A1 (en) * | 2002-04-19 | 2003-10-30 | Mark W. Hutchinson | Method for determination and correction of a drilling malfunction for a drilling unit |
| WO2021161103A1 (en) * | 2020-02-12 | 2021-08-19 | Bly Ip Inc. | Systems and methods for measuring depth within a borehole |
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