CN106014382A - Imaging system of drilling internal fracture space attitude - Google Patents
Imaging system of drilling internal fracture space attitude Download PDFInfo
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- CN106014382A CN106014382A CN201610547489.3A CN201610547489A CN106014382A CN 106014382 A CN106014382 A CN 106014382A CN 201610547489 A CN201610547489 A CN 201610547489A CN 106014382 A CN106014382 A CN 106014382A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 116
- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
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- 238000005286 illumination Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 6
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- 210000000569 greater omentum Anatomy 0.000 claims description 3
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- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
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- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005065 mining Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 23
- 239000003245 coal Substances 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 4
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- 238000012546 transfer Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
-
- 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
- E21B47/13—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 by electromagnetic energy, e.g. radio frequency
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
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- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses an imaging system of drilling internal fracture space attitude, belongs to the technical field of physical parameter measurement of a rock mass and aims at overcoming the shortcomings of complicated process, low degree of mechanization and low precision of measurement result of existing drilling imager adopting data line transmission and image blur or dark lines and the like caused by artificial push of a drill rod. The imaging system comprises a drilling imager host and a drilling imager probe in wireless connection with the drilling imager host, wherein the drilling imager probe is arranged in the middle of a centering device; the tail of the centering device is connected with one end of the push rod; the push rod is also connected with a probe push device; under the effect of the probe push device, the drilling imager probe is pushed through the push rod; a depth counter is also arranged in the probe push device, is in wireless connection with the drilling imager host and sends a depth signal measured by the depth counter to the drilling imager host; and the imaging system also comprises a computer connected with the drilling imager host. The imaging system disclosed by the invention is suitable for the mining, construction and tunnel construction processes.
Description
Technical field
The invention belongs to rock mass physical parameter measuring technical field, relate to the imaging system of crevice space occurrence in a kind of Novel drilling.
Background technology
Coal is the main body energy of China, and the basis of other relevant enterprises development in the economic development of coal industry Ye Shi China, at me
State suffers from consequence always.Over nearly 10 years, along with the aggravation of the utilization of resources, earth superficial part resource reduces day by day, resource
Exploitation is gradually expanded to deep, and domestic and international mine steps into deep resource exploitation state.But, China Mine Geological condition pole
It is complicated, and along with coal mining depth is gradually increased, deep fractures exploitation has heavily stressed, Gao Jingwen, high well depth, gas and contains
The features such as amount is high, permeability is low, colliery variable gradient is big, and along with the increase of the degree of depth, the particularly serious thing such as Gas Outburst, roof fall
Therefore probability be also gradually increased, and gas is mainly flowed by space, coal seam or crack, therefore coal and rock space and the space in crack
Occurrence has deciding factor to gas flowing law in coal seam.In order to verify gas flowing law between the porous dehiscence gap of coal seam,
Field experimentation generally uses crevice space occurrence in borehole imaging instrument exploration hole, probes into coal petrography under the conditions of work surface high tension coal mining
Body Fracture Networks distribution characteristics and Evolution, to avoid that fire damp is prominent, the generation of the disaster accident such as roof fall and sheet side.
At present, the borehole imaging instrument apparatus of the detection borehole fissure space occurrence extensively used, including probe, push rod, depth gauge
Number device, borehole imaging instrument main frame, data line.During detection borehole fissure, counted by the degree of depth first with data line
Borehole imaging instrument is connected by device with probe, opens main frame, then uses hand-held push rod gradually to be advanced at the bottom of hole by probe, surveys
The crevice space occurrence of amount boring.But, the method has the disadvantage that
When being monitored the most every time, use wired mode to connect in boring and make instrument connection loaded down with trivial details, cause conventional efficient low；
2. when detecting, data line and hole wall friction are easily caused data wire and damage, and probe is the most stuck at drilling hole
In, it is easily damaged in experimentation carrying, reduces conventional efficient, and increase experimental cost, affect monitoring process, prolong
The time of whole experiment by mistake；
3. the principle of depth counter is to drive roller to rotate registered depth by data wire and depth counter, and this degree of depth counts
Mode artifical influence factor is big, and certainty of measurement is low, increases the error of Monitoring Data；
4. the hand-held push rod used, it is impossible to ensure slowly to advance probe evenly, the image causing record is imperfect or generation
Picture has the shortcomings such as black line, affects monitoring result.
Therefore, need now a kind of high accuracy, high mechanization and enabling to badly to pop one's head in crevice space occurrence in the boring steadily advanced
Imaging system.
Summary of the invention
The technical problem to be solved is to overcome borehole imaging instrument apparatus of the prior art to use data line transfer mistake
Journey is complicated, mechanization degree is low, measurement result precision is low and artificial propelling movement drilling rod causes absorbing image fog or having black line etc.
Shortcoming, it is provided that the imaging system of a kind of interior crevice space occurrence of holing.
The technical solution adopted for the present invention to solve the technical problems is: the imaging system of crevice space occurrence in boring, including boring
Borescopic imaging instrument main frame and the borehole imaging instrument probe with its wireless connections, borehole imaging instrument probe is arranged in the middle of centering device, between two parties
Device is for making the centrage of borehole imaging instrument probe overlap with drill center line, and centering device afterbody is connected with one end of push rod, pushes away
Bar is also connected with probe propulsion plant, advances borehole imaging instrument probe by push rod under the effect of probe propulsion plant, and probe pushes away
Entering and be additionally provided with depth counter in device, depth counter is wireless with borehole imaging instrument main frame to be connected, and is measured by depth counter
Depth signal be sent to borehole imaging instrument main frame, also include the computer being connected with borehole imaging instrument main frame.
Further, borehole imaging instrument probe include successively glass transmission pipe, illumination and image unit, three-dimensional compass, signal plate,
Wireless transmission unit, also includes battery, and three-dimensional compass is for measuring the azimuth of boring, inclination angle and borehole imaging instrument probe
Roll angle, illumination and image unit be connected with signal plate and battery respectively, three-dimensional compass and wireless transmission unit respectively with signal plate phase
Even, wireless transmission unit is connected with battery again, and signal plate is by bore direction angle, inclination angle and the borehole imaging of three-dimensional lining
The video signal integration that the data signal of the roll angle of instrument probe obtains with illumination and image unit, and wireless by wireless transmission unit
It is transferred to borehole imaging instrument main frame.
Preferably, borehole imaging instrument probe also includes being arranged at its outside containment vessel, and its material is rigid plastics, illuminates and takes the photograph
As unit includes lighting module and photographing module, lighting module is LED light emitting diode, and photographing module is that shockproof high definition pin hole is taken the photograph
As head, battery is the special anti-explosion battery in electricity ni-mh down-hole.
Further, centering device includes the rear end guide wheel of front end guide wheel and the rear end being positioned at borehole imaging instrument probe front end,
Front end guide wheel includes orthogonal first roller and the second roller, and the first roller is positioned at the second roller front end, the second roller
Being positioned at borehole imaging instrument probe front end, rear end guide wheel includes the 3rd roller and the 4th roller being arranged in parallel around axle, the 3rd rolling
The center of circle of wheel is connected by connecting shaft with the center of circle of the 4th roller, the center of circle of the first roller, the center of circle of the second roller and connecting shaft
The centrage of axis and borehole imaging instrument probe be positioned on same level line, the diameter of each roller is suitable with boring aperture.
Further, the number of push rod is some, and the front end of each push rod is provided with screw rod, and rear end is provided with thread groove,
Described screw rod is suitable with thread groove, by thread groove and the screw rod phase of a rear push rod of previous push rod between every two push rods
Connecting, push rod bottom side is provided with bottom groove, is provided with teeth groove in bottom groove.
Preferably, probe propulsion plant includes base, and base is provided with cabinet, is provided with power set in cabinet, and power fills
Putting and be connected with on and off switch, power set are connected with push rod case by drive mechanism, be provided with and push away for placement in described push rod case
The pushrod chamber of bar, also includes for supporting push rod case and can regulate the strut of push rod case angle, be provided with below pushrod chamber for
Advance push rod propelling gear, advance gear suitable with teeth groove, propelling gear the most respectively with depth counter and pressure transducer
Being connected, pressure transducer is also connected with on and off switch, when push rod is stuck in boring, advances the pressure overpressure sensing of gear
The limit value of device then can automatically trigger on and off switch and close probe propulsion plant.
Concrete, base includes rectangular frame and the metal caul being arranged on rectangular frame, and strut is telescopic hydraulic strut,
The length direction of described strut and pushrod chamber length direction angulation in the range of 45-90 °, pushrod chamber length direction and level
Direction angulation, in the range of 0-90 °, is provided with the draw-in groove coupled with push rod in pushrod chamber, power set are rotating speed and turn to
Adjustable motor, advancing number of gears is two, and the two connects by belt transmission.
Preferably, depth counter includes sensing unit, Date Conversion Unit and wireless transmitting unit, and sensing unit includes laminating
Advancing the induction chip on gear, its precision is 0.1mm, and its counting principle is as follows: by sensing unit and the sense on gear
Answer chip, measure gear revolution n, then drilling depth is l=n π d, and wherein, d is gear diameter (mm)；Converting unit will be surveyed
Obtain data and be converted into the signal of telecommunication, be transferred to borehole imaging instrument main frame by wireless transmitting unit.
Further, borehole imaging instrument main frame include main control unit and the image-display units being connected with main control unit respectively,
Data storage cell and radio receiving unit, radio receiving unit counts with wireless transmission unit and the degree of depth of borehole imaging instrument probe
The wireless transmitting unit of device is connected, and image-display units is used for showing video image, and data storage cell is for by borehole imaging instrument
The depth signal that the video signal of probe picked-up and depth counter are measured is integrated and is converted to digital signal, and is converted into view data
Store.
Further, described computer is connected with borehole imaging instrument main frame by data wire.
The invention has the beneficial effects as follows: simple in construction, it is easy to operation, certainty of measurement is high, mechanization degree is high, be capable of height
Speed is wirelessly transferred, and scene is prone to arrangement apparatus, reduces the trouble that wiring brings, and the picked-up of borehole imaging instrument probe is with probe inclination angle
With the video signal of roll angle parameter, it is transferred to borehole imaging instrument main frame by wireless high-speed；Simultaneously permissible by probe propulsion plant
Ensure steadily to advance borehole imaging instrument probe, it is ensured that video signal is high-visible, it is not necessary to manually push drilling rod, it is to avoid probe picked-up
Image fog or have black line etc., and utilize depth counter can measure drilling depth in real time, drilling depth number can be improved
According to precision.The present invention is applicable to measure rock mass physical parameter, during can being widely used in mining, building, constructing tunnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of borehole imaging instrument probe of the present invention and centering device；
Fig. 3 is borehole imaging instrument probe and the top view of centering device in the present invention；
Fig. 4 is the structural representation of push rod in the present invention；
Fig. 5 is the structural representation of propulsion plant of popping one's head in the present invention；
Fig. 6 is the structural representation of push rod case in the present invention；
Wherein, 1 is centering device, and 2 is borehole imaging instrument probe, and 2-1 is containment vessel, and 2-2 is glass transmission pipe, and 2-3 is for shining
Bright and image unit, 2-4 is three-dimensional compass, and 2-5 is signal plate, and 2-6 is wireless transmission unit, and 2-7 is battery, and 3 for pushing away
Bar, 3-1 is screw rod, and 3-2 is thread groove, and 3-3 is teeth groove, and 4 is probe propulsion plant, and 4-1 is base, and 4-2 is cabinet,
4-3 is power set, and 4-4 is drive mechanism, and 4-5 is push rod case, and 4-6 is strut, and 5 is borehole imaging instrument main frame, and 6 is number
According to line, 7 is computer.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is described in detail.
As it is shown in figure 1, the imaging system of crevice space occurrence in the boring of the present invention, including borehole imaging instrument main frame 5 and and its
The borehole imaging instrument probe 2 of wireless connections, in order to ensure transfer rate, arranges its wireless output speed and is up to 10Mbps, boring
Imager probe 2 is arranged in the middle of centering device 1, i.e. borehole imaging instrument probe two ends are connected with centering device, and centering device 1 is used for making
The centrage obtaining borehole imaging instrument probe 2 overlaps with drill center line, prevents from causing picked-up because borehole imaging instrument probe 2 rocks
Video signal obscure, centering device 1 afterbody is connected with one end of push rod 3, push rod 3 also with pop one's head in propulsion plant 4 be connected,
Advance borehole imaging instrument probe 2 by push rod 3 under the effect of probe propulsion plant 4, probe propulsion plant 4 is additionally provided with deep
Enumerator 4-7, depth counter 4-7 are wireless with borehole imaging instrument main frame 5 is connected for degree, deep by depth counter 4-7 measurement
Degree signal is sent to borehole imaging instrument main frame 5, also includes the computer 7 being connected with borehole imaging instrument main frame 5, described computer 7
Can be connected with borehole imaging instrument main frame 5 by data wire 6, it is also possible to described computer 7 by wireless data transmission mode and
Borehole imaging instrument main frame 5.
As shown in Figures 2 and 3, borehole imaging instrument probe 2 include successively glass transmission pipe 2-2, illumination and image unit 2-3, three
Dimension compass 2-4, signal plate 2-5, wireless transmission unit 2-6, also include that battery 2-7, three-dimensional compass 2-4 are used for measuring boring
Azimuth, inclination angle and the roll angle of borehole imaging instrument probe 2.Wireless transmission unit 2-6 i.e. wireless transmitting unit, can be by
The data detected are wirelessly transmitted to borehole imaging instrument main frame, and it is wireless, and output speed is up to 10Mbps.Borehole imaging instrument probe 2
Also including being arranged at its outside containment vessel 2-1, its material is rigid plastics, with low cost, and will not cause data transmission
Signal attenuation；Illumination and image unit 2-3 include lighting module and photographing module, and lighting module is LED light emitting diode, use
In hole intraoral illumination, light source illumination level is not less than 30Lux at camera lens 3cm；Photographing module is shockproof high definition pinhole cameras, takes the photograph
As head parameter: colored low-light (level) 700Lines, 0.1Lux, 680,000 pixels；The intensity of light source can continuously adjustabe, thus ensure to respectively
Planting detection borehole wall can blur-free imaging；Wide viewing angle: photographic head visual angle width, can realize horizontal 360-degree panoramic imagery, it is not necessary to adjust
Burnt；Battery 2-7 is the special anti-explosion battery in electricity ni-mh down-hole, and safety is high, and power reservoir capacity is preferable.Illumination and shooting are single
Unit 2-3 be connected with signal plate 2-5 and battery 2-7 respectively, three-dimensional compass 2-4 and wireless transmission unit 2-6 respectively with signal plate
2-5 is connected, and wireless transmission unit 2-6 is connected with battery 2-7 again, the boring side that three-dimensional compass 2-4 is measured by signal plate 2-5
The video signal that the data signal of the roll angle of parallactic angle, inclination angle and borehole imaging instrument probe obtains with illumination and image unit 2-3 is whole
Close, and radio to borehole imaging instrument main frame 5 by wireless transmission unit 2-6.
Centering device 1 includes the rear end guide wheel of front end guide wheel and the rear end being positioned at borehole imaging instrument probe 2 front end, front end
Guide wheel includes orthogonal first roller and the second roller, and the first roller is positioned at the second roller front end, and the second roller is positioned at
Borehole imaging instrument probe 2 front end, rear end guide wheel includes the 3rd roller and the 4th roller being arranged in parallel around axle, rear end guide wheel
The roller of unit can pivot, and the center of circle of the 3rd roller is connected by connecting shaft with the center of circle of the 4th roller, the first roller
The axis of the center of circle, the center of circle of the second roller and connecting shaft and the centrage of borehole imaging instrument probe 2 are positioned on same level line,
The diameter of each roller is suitable with boring aperture.Specifically, a length of 0.4m of connecting shaft, front end guide wheel is by two
Diameter 65mm diameter roller composition depending on boring aperture, each weighs about 0.2kg.The roller diameter of centering device can be according to brill
Aperture, hole selects, and front and back the roller diameter of guide wheel is suitable with boring aperture, in making borehole imaging instrument probe centrage and holing
Heart line overlaps, it is ensured that borehole imaging instrument probe steadily pushes in hole, prevents from causing picked-up because borehole imaging instrument probe rocks
Video signal is unintelligible.
As shown in Figure 4, the number of push rod 3 is some, and the front end of each push rod 3 is provided with screw rod 3-1, and rear end is arranged
Having thread groove 3-2, described screw rod 3-1 is suitable with thread groove 3-2, by the spiral shell of previous push rod between every two push rods
The screw rod 3-1 of stricture of vagina groove 3-2 and a rear push rod is connected with each other, specifically, including the first push rod and some follow-up push rods,
The screw rod 3-1 of the front end of the first push rod is connected with centering device, and follow-up push rod is carried out with the thread groove 3-2 of previous push rod successively
Threaded.Push rod 3 bottom side is provided with bottom groove, is provided with teeth groove 3-3, so can protect teeth groove 3-3 in bottom groove, anti-
Only teeth groove damages, and is pushed in boring by borehole imaging instrument probe by gear drive.Teeth groove and the propelling in probe propulsion plant 4
Gear is suitable, is pushed in boring by borehole imaging instrument probe by the propelling gear drive in probe propulsion plant 4, then leads to
Cross and gradually advance push rod that borehole imaging instrument probe is shifted onto precalculated position of holing.In view of the ruggedness of push rod and bearing capacity thereof and
The push rod of support force, preferably metal material, select 60 inventory can be according to hole depth depending on, a size of basal diameter × height: Φ
18 × 1000mm, every weighs about 0.3kg.
As illustrated in figures 5 and 6, probe propulsion plant 4 includes base 4-1, and base is preferably metal material, in order to strengthens and supports
Power, base 4-1 includes rectangular frame and the metal caul being arranged on rectangular frame, on the backing plate of base 4-1 can pressure-bearing stone,
Can ensure that propulsion plant will not be turned on one's side because thrust is excessive in push rod progradation；Cabinet 4-2 it is provided with on base 4-1,
Being provided with power set 4-3, power set 4-3 in cabinet 4-2 to be connected with on and off switch, power set 4-3 passes through driver
Structure 4-4 is connected with push rod case 4-5, and the specifically propelling gear with push rod case 4-5 is connected, and is provided with in described push rod case 4-5
For placing the pushrod chamber of push rod 3, pushrod chamber length direction and horizontal direction angulation, in the range of 0-90 °, also include using
In supporting push rod case 4-5 and can to regulate the strut 4-6, strut 4-6 of push rod case 4-5 angle be telescopic hydraulic strut,
Can be according to the elevation angle of dip angle of hole regulation push rod case, the length direction of described strut 4-6 and pushrod chamber length direction angulation
In the range of 45-90 °, in pushrod chamber, it is provided with the draw-in groove coupled with push rod, is possible to prevent in push rod pushing course to come off；Push away
Be provided with the propelling gear for advancing push rod below bar chamber, advance number of gears to be preferably two, i.e. two gears in Fig. 6,
For advancing push rod, the two connects by belt transmission, in order to motion is rotated consistent, it is ensured that push rod steadily advances, advances tooth
Take turns suitable with teeth groove, advance gear be connected with depth counter 4-7 and pressure transducer the most respectively, pressure transducer also with electricity
Source switch is connected, and depth counter has only to be connected with the propelling gear indicated in figure, pastes a piece of pressure by advancing on gear
Power induction apparatus senses with depth counter, measures the rotating speed advancing gear.Pressure transducer is directly connected with advancing gear, test
Advance gear pressure.When push rod 3 is stuck in boring, i.e. cannot advance probe, but gear is also in operating, so can be to tooth
Wheel produces pressure, and the limit value of the pressure overpressure sensor of its propelling gear then can automatically trigger on and off switch closedown probe and advance
Device.
Drive mechanism 4-4 includes that two groups of gear trains having belt to be connected respectively, one of them gear advance gear coaxial with one
Arranging, specifically include belt transmission and gear drive, its belt transmission is provided with protective housing, and anti-locking apparatus damages and device is to people
Member damages.Power set 4-3 is rotating speed and turns to adjustable motor, and motor uses the alternating current of 110V/0.13A.
The principle of depth counter 4-7 is the rotating speed by prototype gear thus monitors probe and advance the degree of depth in real time；Specifically include
Sensing unit, Date Conversion Unit and wireless transmitting unit, counting precision is 0.1mm, and sensing unit includes being fitted in propelling tooth
Induction chip (not illustrating on figure) on wheel.Depth counter principle is as follows: known gears diameter d (mm), single by sensing
Unit and the induction chip on gear, can measure gear revolution n.Then drilling depth: l=n π d (mm) or
L=n π d × 10-3M (), the content in bracket is unit；Converting unit will record depth data and be converted into the signal of telecommunication, pass through
Wireless transmitting unit is transferred to borehole imaging instrument main frame.
Borehole imaging instrument main frame 5 includes that main control unit and the image-display units, the data that are connected with main control unit respectively are deposited
Storage unit and radio receiving unit, radio receiving unit counts with wireless transmission unit 2-6 and the degree of depth of borehole imaging instrument probe 2
The wireless transmitting unit of device is connected, and image-display units is used for showing image, and data storage cell is for by borehole imaging instrument probe
The depth signal that the video signals of 2 picked-ups and depth counter are measured is integrated and is converted to digital signal, and is converted into view data and enters
Row stores.
The poster processing soft on computer 7 can according to borehole imaging instrument main frame 1 integrate with bore direction angle and inclination angle and
Before and after borehole imaging instrument probe 2 roll angle view data, two images carry out Auto-matching and splicing, obtain continuous whole boring
Hole wall plane graph and D prism map, i.e. obtain continuous whole borehole wall space Fracture Networks figure.The poster processing soft can show,
Output plane expanded view and three-dimensional block diagram, three-dimensional block diagram can 360 degree rotations continuously, expanded view can directly carry out core and retouch
Stating, the tendency in crack, inclination angle and width can calculate extraction the most automatically, and width accuracy is up to 0.1mm, and orientation angles precision can
Reach 0.1 degree.Image can be exchanged into the multiple format files such as JPG, BMP and PDF.
The using method of the present invention comprises the following steps:
1. according to requirement of experiment, in tunnel, correct position drills through up boring, and aperture is 75mm, hole depth 33m of holing, side
Parallactic angle 45 °, 24 ° of inclination angle, clean-out hatch intraclast, it is ensured that hole wall is clean.
2. all push rods to be used, centering device, borehole imaging instrument probe, borehole imaging instrument main frame are all placed in immediately below hole
Corresponding region；And in tunnel, arrange the wiring board for propulsion plant of popping one's head in.
3. centering device is connected on respectively borehole imaging instrument probe two ends, connects the push rod through probe propulsion plant in centering device lower end,
And make the direction of the push rod case of probe propulsion plant keep consistent with the azimuth of boring, start probe propulsion plant, regulation spy
The hydraulic strut of head propulsion plant, by the alignment boring of borehole imaging instrument probe, is pushed to orifice position.
4. start depth counter, open borehole imaging instrument main frame simultaneously, acquisition parameter is correctly set, with the speed of 0.01m/s,
At the uniform velocity advance borehole imaging instrument probe, start monitoring in real time.
5. connecing the push rod of 1m length manually to probe propulsion plant, when borehole imaging instrument is pushed at the bottom of hole, it is to probe propulsion plant
When applying pressure exceedes restriction, then probe propulsion plant will be automatically stopped, and now preserves regarding of recording at borehole imaging instrument main frame
Frequently view data, close borehole imaging instrument main frame, and start probe propulsion plant reversely exit switch, push rod is exited one by one
In hole.
6., after data acquisition, all devices is all tidied up and puts in order.
7. open borehole imaging instrument main frame, the vedio data corresponding with drilling depth wherein integrated is passed by data wire
Be passed in computer, i.e. vedio data is the vedio data of the corresponding degree of depth that depth value obtains with video signal integration,
Continuous whole borehole wall plane graph and D prism map and crack occurrence and distribution is obtained by process.
Claims (10)
1. the imaging system of crevice space occurrence in boring, it is characterised in that include borehole imaging instrument main frame (5) and wireless with it
The borehole imaging instrument probe (2) connected, borehole imaging instrument probe (2) is arranged in the middle of centering device (1), and centering device (1) is used
Overlap with drill center line in the centrage making borehole imaging instrument probe (2), centering device (1) afterbody and the one of push rod (3)
End is connected, and push rod (3) is also connected with probe propulsion plant (4), by push rod (3) under the effect of probe propulsion plant (4)
Advance borehole imaging instrument probe (2), probe propulsion plant (4) is additionally provided with depth counter (4-7), depth counter (4-7)
Wireless with borehole imaging instrument main frame (5) it is connected, the depth signal that depth counter (4-7) is measured is sent to borehole imaging instrument
Main frame (5), also includes the computer (7) being connected with borehole imaging instrument main frame (5).
2. the imaging system of crevice space occurrence in boring as claimed in claim 1, it is characterised in that borehole imaging instrument probe
(2) include successively glass transmission pipe (2-2), illumination and image unit (2-3), three-dimensional compass (2-4), signal plate (2-5),
Wireless transmission unit (2-6), also includes battery (2-7), three-dimensional compass (2-4) for measure the azimuth of boring, inclination angle with
And the roll angle of borehole imaging instrument probe (2), illumination and image unit (2-3) respectively with signal plate (2-5) and battery (2-7)
Being connected, three-dimensional compass (2-4) and wireless transmission unit (2-6) are connected with signal plate (2-5) respectively, wireless transmission unit (2-6)
It is connected with battery (2-7) again, bore direction angle, inclination angle and the boring that three-dimensional compass (2-4) is measured by signal plate (2-5)
The video signal integration that the data signal of the roll angle of imager probe obtains with illumination and image unit (2-3), and by wireless biography
Defeated unit (2-6) radios to borehole imaging instrument main frame (5).
3. the imaging system of crevice space occurrence in boring as claimed in claim 2, it is characterised in that borehole imaging instrument probe
(2) also including being arranged at its outside containment vessel (2-1), its material is rigid plastics, illumination and image unit (2-3) bag
Including lighting module and photographing module, lighting module is LED light emitting diode, and photographing module is shockproof high definition pinhole cameras, electricity
Pond (2-7) is the special anti-explosion battery in electricity ni-mh down-hole.
4. the imaging system of crevice space occurrence in boring as claimed in claim 1, it is characterised in that centering device (1) includes
Being positioned at the front end guide wheel of borehole imaging instrument probe (2) front end and the rear end guide wheel of rear end, front end guide wheel includes phase
The first the most vertical roller and the second roller, the first roller is positioned at the second roller front end, and the second roller is positioned at borehole imaging instrument probe
(2) front end, rear end guide wheel includes the 3rd roller and the 4th roller being arranged in parallel around axle, the center of circle and the 4th of the 3rd roller
The center of circle of roller is connected by connecting shaft, the center of circle of the first roller, the center of circle of the second roller and the axis of connecting shaft and boring
The centrage of imager probe (2) is positioned on same level line, and the diameter of each roller is suitable with boring aperture.
5. the imaging system of crevice space occurrence in boring as claimed in claim 1, it is characterised in that the number of push rod (3)
For some, the front end of each push rod (3) is provided with screw rod (3-1), and rear end is provided with thread groove (3-2), described spiral shell
Bar (3-1) is suitable with thread groove (3-2), between every two push rods by the thread groove (3-2) of previous push rod and after
The screw rod (3-1) of one push rod is connected with each other, and push rod (3) bottom side is provided with bottom groove, is provided with teeth groove (3-3) in bottom groove.
6. the imaging system of crevice space occurrence in boring as claimed in claim 5, it is characterised in that probe propulsion plant (4)
Including base (4-1), base (4-1) is provided with cabinet (4-2), power set (4-3) is installed in cabinet (4-2),
Power set (4-3) are connected with on and off switch, and power set (4-3) are by drive mechanism (4-4) and push rod case (4-5)
It is connected, described push rod case (4-5) is provided with the pushrod chamber for placing push rod (3), also includes for supporting push rod case (4-5)
And the strut (4-6) of push rod case (4-5) angle can be regulated, it is provided with the propelling gear for advancing push rod below pushrod chamber,
Advance gear suitable with teeth groove, advance gear to be connected with depth counter (4-7) and pressure transducer the most respectively, pressure sensing
Device is also connected with on and off switch, when push rod (3) is stuck in boring, advances the limit value of pressure overpressure sensor of gear then
Can automatically trigger on and off switch and close probe propulsion plant.
7. the imaging system of crevice space occurrence in boring as claimed in claim 6, it is characterised in that base (4-1) wraps
Including rectangular frame and the metal caul being arranged on rectangular frame, strut (4-6) is telescopic hydraulic strut, described strut (4-6)
Length direction and pushrod chamber length direction angulation in the range of 45-90 °, pushrod chamber length direction is become with horizontal direction
Angle, in the range of 0-90 °, is provided with the draw-in groove coupled with push rod in pushrod chamber, power set (4-3) are rotating speed and turn to
Adjustable motor, advancing number of gears is two, and the two connects by belt transmission.
8. the imaging system of crevice space occurrence in boring as claimed in claim 6, it is characterised in that depth counter (4-7)
Including sensing unit, Date Conversion Unit and wireless transmitting unit, sensing unit includes being fitted in the induction chip advanced on gear,
Its precision is 0.1mm, and its counting principle is as follows: by sensing unit and the induction chip on gear, measure gear revolution n, then
Drilling depth is l=n π d, and wherein, d is gear diameter (mm)；Data measured is converted into the signal of telecommunication by converting unit, by nothing
Line transmitter unit is transferred to borehole imaging instrument main frame.
9. the imaging system of crevice space occurrence in boring as claimed in claim 1, it is characterised in that borehole imaging instrument main frame
(5) main control unit and the image-display units, data storage cell and the wireless receiving that are connected respectively are included with main control unit
Unit, the wireless transmission unit (2-6) of radio receiving unit and borehole imaging instrument probe (2) and depth counter (4-7)
Wireless transmitting unit is connected, and image-display units is used for showing image, and data storage cell is for by borehole imaging instrument probe (2)
The depth signal that the video signal of picked-up and depth counter are measured is integrated and is converted to digital signal, and is converted into view data and carries out
Store.
10. the imaging system of crevice space occurrence in boring as claimed in claim 1, it is characterised in that described computer (7)
It is connected with borehole imaging instrument main frame (5) by data wire (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547489.3A CN106014382A (en) | 2016-07-12 | 2016-07-12 | Imaging system of drilling internal fracture space attitude |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547489.3A CN106014382A (en) | 2016-07-12 | 2016-07-12 | Imaging system of drilling internal fracture space attitude |
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ID=57109965
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| CN201610547489.3A Pending CN106014382A (en) | 2016-07-12 | 2016-07-12 | Imaging system of drilling internal fracture space attitude |
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