CN113006783A - In-situ detection process suitable for horizontal drilling machine - Google Patents
In-situ detection process suitable for horizontal drilling machine Download PDFInfo
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- CN113006783A CN113006783A CN202110381728.3A CN202110381728A CN113006783A CN 113006783 A CN113006783 A CN 113006783A CN 202110381728 A CN202110381728 A CN 202110381728A CN 113006783 A CN113006783 A CN 113006783A
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- 238000005553 drilling Methods 0.000 title claims abstract description 97
- 238000001514 detection method Methods 0.000 title claims abstract description 68
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000010408 sweeping Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000011010 flushing procedure Methods 0.000 claims description 19
- 239000011435 rock Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 7
- 241001449342 Chlorocrambe hastata Species 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (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)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an in-situ detection process suitable for a horizontal drilling machine, which comprises the following steps of: 1) connecting the drill rod with the driving drill rod, connecting the armored cable with a data acquisition device, and connecting the data acquisition device with a computer; the other end of the armored cable is connected with a fisher in the drill rod; 2) detecting drilling; 3) salvaging the drilling tool or the in-situ detection device; 4) additionally connecting a drill rod; 5) hole sweeping; 6) repeating the steps 1-5) until the specified detection hole depth is drilled; 7) and recovering the drill rod, the drilling tool and the detection device. The invention can realize the in-situ detection of the complex stratum by flexibly combining the comprehensive drilling tool and the in-situ testing device, thereby improving the detection depth of the in-situ testing device to the complex stratum.
Description
Technical Field
The invention relates to an in-situ detection process suitable for a horizontal drilling machine.
Background
Horizontal wire line core drills are important pieces of technical equipment necessary to conduct geological research, mineral resource exploration, and underground engineering exploration. The horizontal rope coring drilling machine is a drilling machine which is driven by a power device to explore underground resources and underground engineering geology within a certain curvature radius range, and has the advantages of high efficiency, long crossing length, deep depth and the like. With the rapid development of underground engineering construction, the horizontal drilling machine is matched with an in-situ detection device to carry out in-situ detection on the stratum, so that the safety of engineering construction is ensured, and the safety of lives and properties of construction personnel and the normal operation of engineering are protected. The existing detection process comprises the steps of firstly drilling a hole to a specified position, then sending a detection device into the hole bottom for detection, recovering the detection device after detection is finished, and reading data detected by the detection device, so that the requirement of short-distance detection operation can be met, but the corresponding problems exist in that the data acquisition time of a complete detection operation is too long and the data cannot be analyzed in real time, and then a testing device is installed on a drill rod and is easy to fall off, and the drill rod needs to be lifted to read the data, so that the time of auxiliary operation is increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides the in-situ detection process which is convenient to operate and control, can greatly improve the detection depth, has the advantages of high detection efficiency, rapid data transmission, capability of greatly shortening the operation time and the like and is suitable for the horizontal drilling machine.
The technical scheme adopted by the invention is as follows: a normal position detection process suitable for a horizontal drilling machine is characterized in that the adopted horizontal drilling machine comprises a support frame, an armored cable, a straight cable mechanism, a cable feeding mechanism, a flushing water pump, a motor, a power head, a drill rod, a rotary chuck, a clamp holder, a comprehensive drilling tool, a normal position testing device, a fisher, a propelling oil cylinder, a photoelectric slip ring, a data acquisition device and a computer; the straight cable mechanism and the cable feeding mechanism are fixed on the support frame; one end of the propulsion oil cylinder is hinged with the support frame, the other end of the propulsion oil cylinder is connected with the power head through a connecting block, the power head is arranged on a slide rail on the support frame, and a piston rod of the propulsion oil cylinder can stretch and contract to drive the power head to move on the slide rail, so that the drill rod is purely pressed in; the power head is connected with the drill rod through the driving drill rod and drives the drill rod to rotate; the armored cable is wound on the storage rack, one end of the armored cable is connected with the data acquisition device through the photoelectric slip ring, and the data acquisition device is connected with the computer; the other end of the armored cable passes through the straight cable mechanism, the cable feeding mechanism and the sealing joint to be connected with a fisher in the drill rod; the sealing joint is arranged on the power head and communicated with the inner cavity of the driving drill rod; when a hard rock stratum is detected, the fishing head of the fisher is connected with the fishing spear head of the comprehensive drilling tool, when a soft stratum is detected, the fishing head of the fisher is connected with the fishing spear head of the in-situ testing device, and in-situ testing data such as conical tip resistance, side wall friction force, pore water pressure and the like of the stratum are acquired on a penetration path; a water outlet of the flushing water pump is communicated with the inner cavity of the driving drill rod through a rotary water supply device, and the rotary water supply device is arranged on the power head; the rotary chuck and the clamp holder are arranged close to the front end of the support frame, and the rotary chuck is used for realizing the connection between the drill rod and the rope coring outer pipe drilling tool; the clamp holder is used for clamping and fixing the drill rod;
the method comprises the following steps:
step 1: the drill rod is connected with the active drill rod through rotation of the rotary chuck, one end of the armored cable is connected with a data acquisition device through a photoelectric slip ring, and the data acquisition device is connected with a computer; the other end of the armored cable passes through the straight cable mechanism, the cable feeding mechanism and the sealing joint to be connected with a fisher in the drill rod, and the flushing water pump is connected to the power head;
step 2: when the stratum is a softer stratum, 1 inner pipe with an in-situ detection device is placed into the rope coring outer pipe drilling tool, the power head is driven to move forwards on the support frame slide rail through the extension of the piston rod of the propulsion oil cylinder, so that a detection head at the front end of the in-situ detection device in the rope coring outer pipe drilling tool is pressed into the stratum on a penetration path, the in-situ detection device acquires in-situ test data such as conical tip resistance, side wall friction force, pore water pressure and the like of the stratum and transmits signals to the data acquisition device through an armored cable, and the analysis is carried out in real time through a computer until the return is finished;
when the stratum is a rock stratum, 1 empty comprehensive drilling tool is placed into the rope coring outer pipe drilling tool, the power head is driven to move forwards on the support frame slide rail through the extension of the piston rod of the propulsion oil cylinder, meanwhile, the power head rotates to drive the comprehensive drilling tool in the rope coring outer pipe drilling tool to realize rotary drilling, meanwhile, water pumped by the flushing water pump reaches the bottom of the hole through the water outlet of the rope coring outer pipe drilling tool, the drill bit of the rope coring outer pipe drilling tool is cooled, and hole bottom rock powder is carried to return to the hole opening along the annular gap between the drill rod and the hole wall;
and step 3: when the stratum is a softer stratum, after the next drilling is finished, the piston rod of the propulsion oil cylinder stops moving forwards, the driving drill rod and the threads at the drill rod are unscrewed by using the rotary chuck, the propulsion oil cylinder drives the power head to move backwards to the position before drilling, and the in-situ detection device grasped by the fisher is lifted to the hole opening to complete one-time detection operation;
when the stratum is a hard rock stratum, after the repeated drilling is finished, the piston rod of the propulsion oil cylinder stops moving forwards, the power head stops rotating, the flushing water pump stops pumping water, at the moment, the driving drill rod and the threads at the drill rod are unscrewed by using the rotary chuck, the propulsion oil cylinder drives the power head to move backwards to the position before drilling, the comprehensive drilling tool grasped by the fisher is lifted to the hole opening, and the primary rock crushing operation is finished;
and 4, step 4: additionally connecting a drill rod to the tail end of the drill rod penetrating into the stratum;
and 5: the driving drill rod of the power head is operated to be reconnected with the drill rod, the water outlet of the flushing water pump is communicated with the inner cavity of the driving drill rod, and the power head performs rotary drilling to sweep the drilled hole;
step 6: repeating the steps 1-5 until the specified detection hole depth is drilled;
and 7: and recovering the drill rod, the drilling tool and the detection device.
In the above in-situ detection process suitable for the horizontal drilling machine, in the step 2, the propelling force of the propelling oil cylinder for propelling the power head is 38kN, and the pure pressing speed of the in-situ detection device is 20 +/-10% mm/s.
In the in-situ detection process suitable for the horizontal drilling machine, in the step 2, when the stratum is a rock stratum, the rotating speed of the power head is 300-1020 r/min, the drilling speed is 4.5 +/-2 mm/s, and the pump capacity of the flushing water pump is 44-160L/min.
In the above in-situ detection process suitable for the horizontal drilling machine, in the step 3, when the fisher is recovered, the lifting speed of the fisher is 0.9 m/s.
In the above in-situ detection process suitable for the horizontal drilling machine, in the step 5, the hole sweeping speed is 2.5 mm/s.
Compared with the prior art, the invention has the beneficial effects that:
(1) in the detection process, the in-situ detection device and the comprehensive drilling tool are alternately used, so that the complex stratum can be effectively penetrated and detected, and the detection depth of the in-situ testing device on the complex stratum is improved; meanwhile, the detection process can transmit and analyze in-situ test data such as stratum cone tip resistance, side wall friction force, pore water pressure and the like acquired on a penetration path in real time;
(2) the invention has convenient operation and control, can effectively improve the detection depth of the stratum, and has the advantages of high detection efficiency, rapid data transmission, greatly shortened operation time and the like.
Drawings
Fig. 1 is a schematic structural view of a horizontal drilling machine employed in the present invention.
Fig. 2 is a schematic diagram of the detection of a horizontal drilling rig employed in the present invention.
Fig. 3 is a schematic representation of a pipe change for a horizontal drilling rig used in the present invention.
Fig. 4 is a schematic view of the drilling of a horizontal drilling rig used in the present invention.
In the figure: 1-storage rack, 2-cable feeding mechanism, 3-straight cable mechanism, 4-flushing water pump, 5-water pipe, 6-motor, 7-power head, 8-sealing joint, 9-rotary water supply device, 10-active drill rod, 11-armored cable, 12-rotary chuck, 13-gripper, 14-drill rod, 15-in-situ detection device, 16-rope coring drill outer pipe, 17-support rack, 18-thrust cylinder, 19-connecting block, 20-fisher, 21-comprehensive drilling tool, 22-photoelectric slip ring, 23-data acquisition device and 24-computer.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-4, the horizontal drilling machine adopted by the invention comprises a storage rack 1, a cable feeding mechanism 2, a cable straightening mechanism 3, a water pipe 5, a motor 6, a power head 7, a sealing joint 8, a rotary water supply device 9, a driving drill rod 10, an armored cable 11, a rotary chuck 12, a clamp 13, a drill rod 14, an in-situ detection device 15, a rope coring outer pipe drilling tool 16, a support frame 17, a thrust cylinder 18, a connecting block 19, a fisher 20, a comprehensive drilling tool 21, a photoelectric slip ring 22, a data acquisition device 23 and a computer 24. The straight cable mechanism 3, the cable feeding mechanism 2, the rotary chuck 12 and the clamper 13 are sequentially fixed on the support frame 17 from left to right, and the right end of the support frame 17 is arranged close to the drill hole. One end of a propulsion oil cylinder 18 is hinged with a support frame 17, the other end of the propulsion oil cylinder is connected with the power head 7 through a connecting block 19, the power head 7 is arranged on a slide rail on the support frame 17, and a piston rod of the propulsion oil cylinder 18 can stretch and retract to drive the power head 7 to move back and forth on the slide rail.
The power head 7 is connected with a drill rod 14 through a driving drill rod 10 and drives the drill rod 14 to rotate. The armored cable 11 is wound on the storage rack 1, one end of the armored cable 11 is connected with the data acquisition device 23 through the photoelectric slip ring 22, and the data acquisition device 23 is connected with the computer 24. The other end of the armored cable 11 passes through the straight cable mechanism 3, the cable feeding mechanism 2 and the sealing joint 8 to be connected with the fisher in the drill rod 14. And a sealing joint 8 is arranged on the power head 7, and the sealing joint 8 is communicated with the inner cavity of the driving drill rod 10. When hard rock stratum is detected, the fishing head of the fisher 20 is connected with the fishing spearhead of the full-face drilling tool 21, and when soft stratum is detected, the fishing head of the fisher 20 is connected with the fishing spearhead of the in-situ detection device 15. A water outlet of the flushing water pump 4 is communicated with an inner cavity of the driving drill rod 10 through a rotary water supply device 9, and the rotary water supply device 9 is arranged on the power head 7; the rotary chuck 12 and the holder 13 are arranged close to the front end of the support frame, and the rotary chuck 12 is used for realizing the connection between a drill rod and a rope core outer pipe drilling tool 16; the clamp 13 is used for clamping and fixing the drill rod.
The invention comprises the following steps:
step 1: firstly, a drill rod 14 is connected with a driving drill rod 10 through rotation of a rotating chuck 12, one end of an armored cable 11 is connected with a data acquisition device 23 through a photoelectric slip ring 22, and the data acquisition device 23 is connected with a computer 24; the other end of the armored cable 11 passes through the straight cable mechanism 3, the cable feeding mechanism 22 and the sealing joint 8 to be connected with a fisher in the drill rod, and the flushing water pump 4 is connected to the power head 7;
step 2: when the stratum is a softer stratum, 1 inner pipe with an in-situ detection device is placed into a rope coring outer pipe drilling tool 16, and the stratum is detected by adopting the in-situ detection device 15; when the detection is started, the piston rod of the propulsion oil cylinder 18 extends out to drive the power head to move forwards on the slide rail of the support frame, so that a detection head at the front end of the in-situ detection device 15 in the rope core outer tube drilling tool 16 is pressed into the stratum, the penetration speed is 20 +/-10% mm/s, in-situ test data such as conical tip resistance, side wall friction force, pore water pressure and the like of the stratum are collected on a penetration path, the comprehensive test precision is better than 0.5%, signals are transmitted to the data collection device 23 through an armored cable, and meanwhile, the analysis can be carried out in real time through the computer 24 until the end of the next time.
When the stratum is a rock stratum, 1 empty comprehensive drilling tool is placed into the rope coring outer pipe drilling tool, and the stratum is drilled by adopting the comprehensive drilling tool; when the drilling starts, a piston rod of a propulsion oil cylinder extends out to drive a power head 7 to move forwards on a support frame slide rail, the propulsion force is 38kN, meanwhile, the power head 7 rotates to drive a comprehensive drilling tool in a rope core outer tube drilling tool 16 to realize rotary drilling, the rotating speed of the power head is 300-1020 r/min, the drilling speed is 4.5 +/-2 mm/s, meanwhile, water flow pumped by a flushing water pump reaches the bottom of a hole through a water outlet of the rope core outer tube drilling tool 16, the drill bit of the rope core outer tube drilling tool 16 is cooled, and rock powder at the bottom of the hole is carried to return to the hole along an annular gap between the drill rod and the hole wall, and the pump capacity of the flushing water pump is 44-160.
And step 3: when the stratum is a softer stratum, after the next drilling is finished, the propulsion oil cylinder 18 stops moving forwards, at the moment, the driving drill rod and the threads at the drill rod are unscrewed by the rotary chuck, the propulsion oil cylinder 18 drives the power head 7 to move backwards to the position before drilling, the in-situ detection device grabbed by the fisher is lifted to the hole opening, and one-time detection operation is completed.
When the stratum is a hard rock stratum, after the repeated drilling is finished, the propulsion oil cylinder 18 stops moving forwards, the power head 7 stops rotating, the washing water pump 4 stops pumping water, the driving drill rod and the drill rod are unscrewed by the aid of the rotary chuck, the propulsion oil cylinder 18 drives the power head 7 to move backwards to the position before drilling, the drilling tool for overall drilling, which is grasped by the fisher, is lifted to the hole opening, the lifting speed of the fisher is 0.9m/s, and one-time rock crushing operation is completed.
And 4, step 4: and additionally connecting a drill rod to the tail end of the drill rod penetrating into the stratum.
And 5: and (3) operating the driving drill rod 10 on the power head 7 to be reconnected with the drill rod 14, communicating the water outlet of the washing water pump 4 with the inner cavity of the driving drill rod 10, and rotationally drilling the power head 7 to sweep the drilled hole at the speed of 2.5 mm/s.
Step 6: and (5) repeating the steps 1-5 until the specified detection hole depth is drilled.
And 7: and recovering the drill rod, the drilling tool and the detection device.
Claims (5)
1. A normal position detection process suitable for a horizontal drilling machine is characterized in that the adopted horizontal drilling machine comprises a support frame, an armored cable, a straight cable mechanism, a cable feeding mechanism, a flushing water pump, a motor, a power head, a drill rod, a rotary chuck, a clamp holder, a comprehensive drilling tool, a normal position testing device, a fisher, a propelling oil cylinder, a photoelectric slip ring, a data acquisition device and a computer; the straight cable mechanism and the cable feeding mechanism are fixed on the support frame; one end of the propulsion oil cylinder is hinged with the support frame, the other end of the propulsion oil cylinder is connected with the power head through a connecting block, the power head is arranged on a slide rail on the support frame, and a piston rod of the propulsion oil cylinder can stretch and contract to drive the power head to move on the slide rail, so that the drill rod is purely pressed in; the power head is connected with the drill rod through the driving drill rod and drives the drill rod to rotate; the armored cable is wound on the storage rack, one end of the armored cable is connected with the data acquisition device through the photoelectric slip ring, and the data acquisition device is connected with the computer; the other end of the armored cable passes through the straight cable mechanism, the cable feeding mechanism and the sealing joint to be connected with a fisher in the drill rod; the sealing joint is arranged on the power head and communicated with the inner cavity of the driving drill rod; when a hard rock stratum is detected, the fishing head of the fisher is connected with the fishing spear head of the comprehensive drilling tool, when a soft stratum is detected, the fishing head of the fisher is connected with the fishing spear head of the in-situ testing device, and in-situ testing data such as conical tip resistance, side wall friction force, pore water pressure and the like of the stratum are acquired on a penetration path; a water outlet of the flushing water pump is communicated with the inner cavity of the driving drill rod through a rotary water supply device, and the rotary water supply device is arranged on the power head; the rotary chuck and the clamp holder are arranged close to the front end of the support frame, and the rotary chuck is used for realizing the connection between the drill rod and the rope coring outer pipe drilling tool; the clamp holder is used for clamping and fixing the drill rod;
the method comprises the following steps:
step 1: the drill rod is connected with the active drill rod through rotation of the rotary chuck, one end of the armored cable is connected with a data acquisition device through a photoelectric slip ring, and the data acquisition device is connected with a computer; the other end of the armored cable passes through the straight cable mechanism, the cable feeding mechanism and the sealing joint to be connected with a fisher in the drill rod, and the flushing water pump is connected to the power head;
step 2: when the stratum is a softer stratum, 1 inner pipe with an in-situ detection device is placed into the rope coring outer pipe drilling tool, the power head is driven to move forwards on the support frame slide rail through the extension of the piston rod of the propulsion oil cylinder, so that a detection head at the front end of the in-situ detection device in the rope coring outer pipe drilling tool is pressed into the stratum on a penetration path, the in-situ detection device acquires in-situ test data such as conical tip resistance, side wall friction force, pore water pressure and the like of the stratum and transmits signals to the data acquisition device through an armored cable, and the analysis is carried out in real time through a computer until the return is finished;
when the stratum is a rock stratum, 1 empty comprehensive drilling tool is placed into the rope coring outer pipe drilling tool, the power head is driven to move forwards on the support frame slide rail through the extension of the piston rod of the propulsion oil cylinder, meanwhile, the power head rotates to drive the comprehensive drilling tool in the rope coring outer pipe drilling tool to realize rotary drilling, meanwhile, water pumped by the flushing water pump reaches the bottom of the hole through the water outlet of the rope coring outer pipe drilling tool, the drill bit of the rope coring outer pipe drilling tool is cooled, and hole bottom rock powder is carried to return to the hole opening along the annular gap between the drill rod and the hole wall;
and step 3: when the stratum is a softer stratum, after the next drilling is finished, the piston rod of the propulsion oil cylinder stops moving forwards, the driving drill rod and the threads at the drill rod are unscrewed by using the rotary chuck, the propulsion oil cylinder drives the power head to move backwards to the position before drilling, and the in-situ detection device grasped by the fisher is lifted to the hole opening to complete one-time detection operation;
when the stratum is a hard rock stratum, after the repeated drilling is finished, the piston rod of the propulsion oil cylinder stops moving forwards, the power head stops rotating, the flushing water pump stops pumping water, at the moment, the driving drill rod and the threads at the drill rod are unscrewed by using the rotary chuck, the propulsion oil cylinder drives the power head to move backwards to the position before drilling, the comprehensive drilling tool grasped by the fisher is lifted to the hole opening, and the primary rock crushing operation is finished;
and 4, step 4: additionally connecting a drill rod to the tail end of the drill rod penetrating into the stratum;
and 5: the driving drill rod of the power head is operated to be reconnected with the drill rod, the water outlet of the flushing water pump is communicated with the inner cavity of the driving drill rod, and the power head performs rotary drilling to sweep the drilled hole;
step 6: repeating the steps 1-5 until the specified detection hole depth is drilled;
and 7: and recovering the drill rod, the drilling tool and the detection device.
2. The in-situ detection process suitable for the horizontal drilling machine as claimed in claim 1, wherein in the step 2, the propelling force of the propelling oil cylinder for propelling the power head is 38kN, and the pure pressing speed of the in-situ detection device is 20 +/-10% mm/s.
3. The in-situ detection process suitable for the horizontal drilling machine as claimed in claim 1, wherein in the step 2, when the stratum is a rock stratum, the rotation speed of the power head is 300-1020 r/min, the drilling speed is 4.5 +/-2 mm/s, and the pump capacity of the flushing water pump is 44-160L/min.
4. The in-situ detection process suitable for the horizontal drilling machine as claimed in claim 1, wherein in the step 3, the lifting speed of the fisher is 0.9m/s when the fisher is recovered.
5. The in-situ probing process for horizontal drilling rig as claimed in claim 1, wherein in step 5, the hole sweeping speed is 2.5 mm/s.
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| CN202110381728.3A CN113006783A (en) | 2021-04-09 | 2021-04-09 | In-situ detection process suitable for horizontal drilling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093069A1 (en) * | 2021-11-25 | 2023-06-01 | 徐州徐工基础工程机械有限公司 | Wire-guided automatic pay-off device and method |
| CN116907974A (en) * | 2023-09-14 | 2023-10-20 | 矿冶科技集团有限公司 | Portable handheld rock mechanical parameter testing instrument and method |
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| CN109025880A (en) * | 2018-08-13 | 2018-12-18 | 湖南科技大学 | A kind of deposit core-drilling technique suitable for seabed wire line coring drilling machine |
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