CN108562947B - Detection device for vertical shaft or deep hole - Google Patents
Detection device for vertical shaft or deep hole Download PDFInfo
- Publication number
- CN108562947B CN108562947B CN201810583389.5A CN201810583389A CN108562947B CN 108562947 B CN108562947 B CN 108562947B CN 201810583389 A CN201810583389 A CN 201810583389A CN 108562947 B CN108562947 B CN 108562947B
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- China
- Prior art keywords
- detection
- optical fiber
- tube
- range finder
- laser range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 71
- 239000013307 optical fiber Substances 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000011435 rock Substances 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 229920005372 Plexiglas® Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a detection device for a vertical shaft or a deep hole, which comprises a detection tube, wherein the detection tube is positioned in the vertical shaft, the bottom of the detection tube is provided with a laser range finder, and the detection tube is also provided with an angle sensor and an infrared camera; the detection tube is internally provided with an LED lamp tube, the angle sensor, the infrared camera and the laser range finder are respectively connected with the input end of the photoelectric conversion plate through leads, and the output end of the photoelectric conversion plate is connected with one end of the optical fiber; the other end of the optical fiber sequentially passes through the pulley b and the paying-off wheel and is connected with the data acquisition device; the device can solve the problems that the cable transmission signal distance is short and the radio cannot transmit signals under water through optical fibers; the angle sensor can record the rotation angle at any time, the encoder records the displacement length of the optical fiber, the laser range finder records the horizontal distance between the detecting tube and the well wall, the specific position of the shot picture is determined, the rotation problem in the lower process is solved, and the underground detection can be continuously and real-timely carried out.
Description
Technical Field
The invention relates to the technical field of detection of surrounding rock stability of a vertical shaft or a deep hole, in particular to a detection device for the vertical shaft or the deep hole.
Background
With the great development of the construction of the infrastructure in China, mining industry, water conservancy and civil engineering. The prior process practice experience shows that the prior underground camera detection technology mainly adopts a cable to transmit signals, but the transmission distance of the cable is limited and is only 50m to 100m, and the signals attenuate along with the lowering depth; the exploratory well may have a certain inclination, the camera rotates in the underground in the process of lowering the underground camera, and the specific position of the well wall cannot be determined through the shot picture, so that the yield of surrounding rock cannot be determined, the collected data can be greatly influenced, and the theoretical analysis work after the influence is influenced. The invention innovatively adopts the optical fiber mode to carry out signal transmission, the distance can reach 200m, and the problems that the cable transmission signal distance is limited, the radio cannot transmit signals under water and the well wall is not straight are solved. In the technology for determining the position of the exploratory well in the shot picture, the specific position of the well wall is determined by adopting a method of combining an angle sensor, an encoder and a laser range finder to determine the yield of surrounding rock, and the influence caused by inclination and rotation in the process of lowering the exploratory cylinder is overcome. And finally, transmitting the image data and the position data to a data acquisition device through an optical fiber. The vertical shaft or deep hole detection device and the detection method thereof can accurately provide the image data of the surrounding rock in the pit, provide effective data for later analysis of scientific researchers or engineering personnel, and more importantly, can continuously and real-timely detect the surrounding rock in the pit, ensure the stability of the surrounding rock and take measures in time.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides a detection device for a vertical shaft or a deep hole, and provides visual image data observation of the stability of underground surrounding rock by lowering a detection tube, image data and position data, and determines the position and the occurrence of the surrounding rock, thereby providing strong guarantee for engineering safety.
The invention provides a detection device for a vertical shaft or a deep hole, which comprises a detection pipe, wherein the detection pipe is arranged in a wellhead, a tripod is arranged on the wellhead, a pulley a is arranged on the tripod, and an optical fiber is wound on the pulley a; the right side of the wellhead is provided with a base, and the base is sequentially provided with a pulley b, an encoder, a paying-off wheel and a data acquisition device from left to right; the detection tube is positioned in the vertical shaft, a laser range finder is arranged at the bottom of the detection tube, and an angle sensor and an infrared camera are also arranged on the detection tube; an LED lamp tube is arranged in the detection tube, and the LED lamp tube, the angle sensor, the infrared camera and the laser range finder are respectively connected with a lithium battery arranged in the detection tube through wires; the angle sensor, the infrared camera and the laser range finder are respectively connected with the input end of the photoelectric conversion plate through wires, and the output end of the photoelectric conversion plate is connected with one end of the optical fiber; the other end of the optical fiber sequentially passes through the pulley b and the paying-off wheel and is connected with the data acquisition device; the optical fiber is also connected with the input end of the encoder, and the output end of the encoder is connected with the data acquisition device through a data line.
Preferably, the material of the detection tube is plexiglass, and the length of the detection tube is 50cm.
Preferably, an optical fiber slip ring is arranged at the outlet of the paying-off wheel, and the optical fiber slip ring is used for preventing the optical fiber from being knotted and deformed.
Preferably, the paying-off wheel is provided with a handle.
The beneficial effects of the invention are as follows:
the detection device for the vertical shaft or the deep hole can solve the problems that the cable transmission signal distance is short and the radio cannot transmit signals under water through the optical fiber; the angle sensor can record the rotation angle at any time, the encoder records the displacement length of the optical fiber, the laser range finder records the horizontal distance between the detecting tube and the well wall, the specific position of the shot picture is determined, the rotation problem in the lower process is solved, and the underground detection can be continuously and real-timely carried out.
Drawings
Fig. 1 is a front view of a shaft or deep hole detection device provided by the invention;
fig. 2 is a front view of the well or borehole detection apparatus of the present invention;
FIG. 3 is a schematic view of the three-dimensional position of the well or borehole detection apparatus of the present invention;
FIG. 4 is a schematic diagram of the borehole wall distance of the well or borehole detection apparatus of the present invention;
fig. 5 is a flow chart of the shaft or borehole detection apparatus and method of the present invention.
Reference numerals illustrate:
1. the device comprises a detection tube, 2, an LED lamp tube, 3 lithium batteries, 4, an angle sensor, 5, an infrared camera, 6, a laser range finder, 7, optical fibers, 8, a photoelectric conversion plate, 9, a pulley a,10 pulley b,11, a base, 12, an encoder, 13, a pay-off wheel, 14, an optical fiber slip ring, 15, a handle, 16, a data acquisition device, 17, a data line, 18, a tripod, 19, a well wall, 20 and a wellhead.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1-5, an embodiment of the present invention provides a detection device for a vertical shaft or a deep hole, which comprises a detection tube 1, wherein the detection tube 1 is arranged in a wellhead 20, a tripod 18 is arranged on the wellhead 20, a pulley a9 is arranged on the tripod 18, and an optical fiber 7 is wound on the pulley a 9; the right side of the wellhead 20 is provided with a base 11, and the base 11 is provided with a pulley b10, an encoder 12, a paying-off wheel 13 and a data acquisition device 16 in sequence from left to right; the detection tube 1 is positioned in a vertical shaft, the bottom of the detection tube 1 is provided with a laser range finder 6, and the detection tube 1 is also provided with an angle sensor 4 and an infrared camera 5; an LED lamp tube 2 is arranged in the detection tube 1, and the LED lamp tube 2, an angle sensor 4, an infrared camera 5 and a laser range finder 6 are respectively connected with a lithium battery 3 arranged in the detection tube 1 through wires; the angle sensor 4, the infrared camera 5 and the laser range finder 6 are respectively connected with the input end of the photoelectric conversion plate 8 through wires, and the output end of the photoelectric conversion plate 8 is connected with one end of the optical fiber 7; the other end of the optical fiber 7 sequentially passes through a pulley b10 and a paying-off wheel 13 and is connected with a data acquisition device 16; the optical fiber 7 is also connected with the input end of the encoder 12, and the output end of the encoder 12 is connected with the data acquisition device 16 through a data line 17.
In the embodiment of the invention, the material of the detection tube 1 is plexiglass, and the length of the detection tube 1 is 50cm. An optical fiber slip ring 14 is arranged at the outlet of the paying-off wheel 13, and the optical fiber slip ring 14 is used for preventing the optical fiber 7 from being knotted and deformed. The paying-off wheel 13 is provided with a handle 15.
The laser distance meter 6 in the detecting tube 1 can measure the slant distance between the well wall 19 and the detecting tube 1, and the laser distance meter 6 is installed on a base capable of rotating at a constant speed. Four infrared cameras 5 in the detection tube 1 are mutually 90-degree right angles, 360-degree omnibearing detection can be carried out, and due to lack of lamplight in the pit, the LED2 lamp tube can illuminate in the shooting process, so that the quality of shooting pictures is ensured.
The detection method of the device comprises the following steps:
first,: three azimuth angles after rotation are recorded through an angle sensor in a detection tube, the length of an optical fiber in the descending process is recorded through an encoder in the descending process, li is represented, wherein after Δt time passes, the displacement length is Li+DeltaL, li+DeltaL is obtained through integration in the descending process, the descending length Li+DeltaL of a coordinate system is obtained through integration, the central position of the detection tube is determined through calculation of a formula C, and the central position parameter of the detection tube is set to be (x 1, y1, z1, t).
The formula C is:
(x 1 ，y 1 ，z 1 ，t)＝((L i-1 +ΔL)sinα i cosγ i ，(L i-1 +ΔL)cosα i sin(90-β i )，(L i-1 +ΔL)cosα i ，t)
secondly: the detection cylinder height h is known to be 50cm, the center position of the detection cylinder is denoted by a from the infrared camera, the position of the infrared camera is determined by a general formula D, and the position parameters of the infrared camera are (x 2, y2, z2, t).
The formula D is:
(x 2 ，y 2 ，z 2 ，t)＝((L i-1 +ΔL+a)sinα i cosγ i ，(L i-1 +ΔL+a)cosα i sin(90-β i )，(L i-1 +ΔL+a)cosα i )
finally: and determining the position and the occurrence of surrounding rock by using the inclination distance A and the rotation angle theta which can be measured by the laser range finder, wherein the surrounding rock coordinate parameters are (x 3, y3, z3, t).
According to formula F:
(x 3 ，y 3 ，z 3 ，t)＝((L i-1 +ΔL+a)sinα i cosγ i +Asinθ i ，(L i-1 +ΔL+a)cosα i sin(90-β i )+Acosθ i ，(L i-1 +ΔL+a)cosα i ，t)
in the above formula: deltaL-displacement of optical fiber per unit time
Li+ΔL-integrated displacement length
Alpha, beta, gamma-pitch angle, yaw angle, roll angle
Rotation angle of theta-laser range finder
A-skew
t-probe down time
i-represents the number of encoder counts
The working steps of the device are as follows:
A. and the wellhead debugging equipment is used for detecting all components in the pipe, including an LED lamp tube, an angle sensor, an infrared camera and a laser range finder, and connecting a power supply to ensure the normal work and reading of the detection device and check the definition of image data.
B. The optical fiber wire is fixed on the pulley a and sequentially passes through the pulley b, the encoder and the paying-off wheel, wherein an optical fiber slip ring is inserted at the outlet of the paying-off wheel and used for preventing the optical fiber from being knotted and deformed.
C. The optical fiber is connected with the data acquisition device, the angle data recorded by the angle sensor, the position data recorded by the laser range finder and the image data recorded by the infrared camera are transmitted, and the optical fiber displacement data recorded by the encoder is transmitted into the data acquisition device through an independent data line.
D. And rotating a handle on the paying-off wheel, and lowering the detection cylinder to the vertical shaft.
E. The measured angle, distance and displacement data are calculated through formulas, and the position and the occurrence of underground surrounding rock are observed by combining the image data.
In summary, the detection device for a vertical shaft or a deep hole provided by the embodiment of the invention can solve the problems that the cable transmission signal distance is short and the radio cannot transmit signals underwater through an optical fiber; the angle sensor can record the rotation angle at any time, the encoder records the displacement length of the optical fiber, the laser range finder records the horizontal distance between the detecting tube and the well wall, the specific position of the shot picture is determined, the rotation problem in the lower process is solved, and the underground detection can be continuously and real-timely carried out.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto and variations within the scope of the invention will be apparent to those skilled in the art.
Claims (4)
1. The detection device for the vertical shaft or the deep hole comprises a detection pipe (1), and is characterized in that the detection pipe (1) is arranged in a wellhead (20), a tripod (18) is arranged on the wellhead (20), a pulley a (9) is arranged on the tripod (18), and an optical fiber (7) is wound on the pulley a (9);
a base (11) is arranged on the right side of the wellhead (20), and a pulley b (10), an encoder (12), a paying-off wheel (13) and a data acquisition device (16) are sequentially arranged on the base (11) from left to right;
the detection tube (1) is positioned in the vertical shaft, a laser range finder (6) is arranged at the bottom of the detection tube (1), and an angle sensor (4) and an infrared camera (5) are also arranged on the detection tube (1); the LED lamp tube (2) is arranged in the detection tube (1), and the LED lamp tube (2), the angle sensor (4), the infrared camera (5) and the laser range finder (6) are respectively connected with a lithium battery (3) arranged in the detection tube (1) through wires;
the angle sensor (4), the infrared camera (5) and the laser range finder (6) are respectively connected with the input end of the photoelectric conversion plate (8) through wires, and the output end of the photoelectric conversion plate (8) is connected with one end of the optical fiber (7);
the other end of the optical fiber (7) sequentially passes through a pulley b (10) and a paying-off wheel (13) and is connected with a data acquisition device (16);
the optical fiber (7) is also connected with the input end of the encoder (12), and the output end of the encoder (12) is connected with the data acquisition device (16) through a data line (17);
the working steps of the detection device comprise:
the wellhead debugging equipment is used for detecting all components in the pipe, including an LED lamp tube, an angle sensor, an infrared camera and a laser range finder, and connecting a power supply to ensure the normal operation and reading of the detecting device and check the definition of image data;
fixing the optical fiber wire on a pulley a, and sequentially passing through a pulley b, an encoder and a paying-off wheel;
the optical fiber is connected with the data acquisition device, the angle data recorded by the angle sensor, the position data recorded by the laser range finder and the image data recorded by the infrared camera are transmitted, and the optical fiber displacement data recorded by the encoder is transmitted into the data acquisition device through an independent data line;
rotating the paying-off wheel and lowering the detection cylinder to the vertical shaft;
the measured angle, distance and displacement data are calculated through formulas, and the position and the occurrence of underground surrounding rock are observed by combining the image data.
2. The detection device for shafts or deep holes according to claim 1, characterized in that the material of the detection tube (1) is plexiglass and the length of the detection tube (1) is 50cm.
3. The detection device for shafts or deep holes according to claim 1, characterized in that the exit of the pay-off reel (13) is provided with an optical fiber slip ring (14), the optical fiber slip ring (14) being adapted to prevent knotting deformation of the optical fiber (7).
4. A detection device for shafts or deep holes according to claim 1, characterized in that the paying-off wheel (13) is provided with a handle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583389.5A CN108562947B (en) | 2018-06-08 | 2018-06-08 | Detection device for vertical shaft or deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583389.5A CN108562947B (en) | 2018-06-08 | 2018-06-08 | Detection device for vertical shaft or deep hole |
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| Publication Number | Publication Date |
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| CN108562947A CN108562947A (en) | 2018-09-21 |
| CN108562947B true CN108562947B (en) | 2024-03-29 |
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| CN201810583389.5A Active CN108562947B (en) | 2018-06-08 | 2018-06-08 | Detection device for vertical shaft or deep hole |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990760A (en) * | 2019-04-30 | 2019-07-09 | 深圳供电局有限公司 | Pipeline mapping equipment and pipeline mapping method |
| CN111827974A (en) * | 2020-09-15 | 2020-10-27 | 成都理工大学 | Core digital acquisition system and method |
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| CN1791808A (en) * | 2003-03-21 | 2006-06-21 | 马克·E·安德 | Gravity techniques for drilling and logging |
| CN102769497A (en) * | 2012-08-07 | 2012-11-07 | 盘锦纵横声光电子技术有限责任公司 | Two-way full-duplex high-speed downhole optical transmission system |
| JP5862820B1 (en) * | 2015-07-02 | 2016-02-16 | 株式会社ボア | Borehole observation system |
| CN208239637U (en) * | 2018-06-08 | 2018-12-14 | 西北大学 | A kind of detection device for vertical shaft or deep hole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016098063A (en) * | 2014-11-19 | 2016-05-30 | 株式会社東芝 | Elevator hoistway inner shape measurement device, elevator hoistway inner shape measurement method, and elevator hoistway inner shape measurement program |
-
2018
- 2018-06-08 CN CN201810583389.5A patent/CN108562947B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791808A (en) * | 2003-03-21 | 2006-06-21 | 马克·E·安德 | Gravity techniques for drilling and logging |
| CN102769497A (en) * | 2012-08-07 | 2012-11-07 | 盘锦纵横声光电子技术有限责任公司 | Two-way full-duplex high-speed downhole optical transmission system |
| JP5862820B1 (en) * | 2015-07-02 | 2016-02-16 | 株式会社ボア | Borehole observation system |
| CN208239637U (en) * | 2018-06-08 | 2018-12-14 | 西北大学 | A kind of detection device for vertical shaft or deep hole |
Non-Patent Citations (1)
| Title |
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| 用光纤电缆传输信号的多种频率阵列声波测井;楚泽涵;徐凌堂;彭斐;;测井技术(06);全文 * |
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