CN115045610A - Rapid drilling equipment for geological exploration of frozen soil - Google Patents
Rapid drilling equipment for geological exploration of frozen soil Download PDFInfo
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- CN115045610A CN115045610A CN202210587441.0A CN202210587441A CN115045610A CN 115045610 A CN115045610 A CN 115045610A CN 202210587441 A CN202210587441 A CN 202210587441A CN 115045610 A CN115045610 A CN 115045610A
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- frozen soil
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- water injection
- drilling
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- 239000002689 soil Substances 0.000 title claims abstract description 93
- 238000005553 drilling Methods 0.000 title claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 50
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 stratums Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/008—Drilling ice or a formation covered by ice
-
- 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
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- 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)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of drilling equipment, in particular to quick drilling equipment for geological exploration of frozen soil, which comprises a moving frame, wherein a lifting drilling device is arranged on the moving frame and is used for drilling and sampling the geology in a frozen soil stratum; the lower end face of the movable frame is provided with a stabilizing device, and the stabilizing device is used for safely and stably fixing the movable frame to the surface of the frozen soil stratum; this application is through setting up securing device in removal frame below, through wash port exhaust hot water can with the frozen soil layer contact that freezes, thereby make cutting skates and supporting shoe adhere to the surface of frozen soil layer with the mode that freezes, and then be convenient for fix removal frame with the mode of freezing adhesion, do not need the exploration personnel to use other equipment to drill hole in advance and fix removal frame, then drill the sample operation, and then can improve the speed of drilling equipment to geological exploration sample.
Description
Technical Field
The invention relates to the technical field of drilling equipment, in particular to rapid drilling equipment for geological exploration of frozen soil.
Background
Geological exploration in frozen soil areas is always an important subject of geological investigation in the north of China, and provides geological parameters for foundation construction or subway construction of buildings. From the collected meteorological data of the past years: the long freezing period of the sinking sun is long, and the subway construction and the like are greatly influenced by the freezing period.
Geological exploration, which is the investigation and research work of geological conditions such as rocks, stratums, mineral products, landforms and the like in a certain area; and respectively adopting mud retaining wall rotary drilling and impact pipe following drilling according to different drilling sampling and in-situ testing requirements. Backfilling and sealing holes by adopting cement and clay after final holes are formed; and (4) after taking out the soil sample, storing the soil sample in a wax seal mode, and timely sending the soil sample into a geotechnical laboratory.
If use present portable or portable drilling equipment to carry out the fast drilling on the frozen soil layer surface in open-air cold areas and take a sample, because the frozen soil layer hardness in northeast cold areas is bigger, and present portable drilling equipment is when fixing to the frozen soil layer, mostly need treat the region of probing earlier and carry out manual punching in advance, then pass through the bolt with present drilling equipment and manually fix it inside punching, then carry out the drilling sample again, and fixed mode must influence the efficiency that the exploration personnel took a sample at the fast drilling in cold frozen soil area using present portable drilling equipment in this, still can not reach the effect of fast drilling sample simultaneously.
The present application therefore relates to a rapid drilling apparatus for geological exploration of frozen earth.
Disclosure of Invention
The present invention has been made in an effort to provide a rapid drilling apparatus for geological exploration of frozen earth, which solves the above-mentioned problems occurring in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a fast drilling device for geological exploration of frozen soil comprises a moving frame, wherein a lifting drilling device is arranged on the moving frame and is used for drilling and sampling the geological in a frozen soil stratum; the lower end face of the movable frame is provided with a stabilizing device, and the stabilizing device is used for fixing the movable frame to the surface of the frozen soil stratum safely and stably.
Further, the lifting drilling device comprises a screw-nut pair, a connecting transverse plate, a fixed drill rod, a middle connecting pipe and a drill bit, screw shafts of the screw-nut pair are symmetrically arranged in moving grooves formed in side walls of vertical rods on two sides of a moving frame respectively, tops of the screw shafts of the screw nut pair are connected with a rotating shaft of a motor respectively, nuts of the screw-nut pair are symmetrically arranged at two ends of the connecting transverse plate, the fixed drill rod is rotatably arranged at the lower end of the connecting transverse plate, the top end of the fixed drill rod is connected with the rotating shaft of the motor, the middle connecting pipe is detachably connected to the bottom end of the fixed drill rod, and the drill bit is arranged at the bottom end of the middle connecting pipe.
Furthermore, the stabilizing device comprises a supporting block, a connecting rod, a cutting ice skate blade, a fixed rod and a sliding rod, the bottom end face of the upright stanchion is provided with a supporting block, a water injection cavity is arranged in the supporting block, the bottom end of the screw rod shaft is fixedly connected with a connecting rod, and the connecting rod is inserted into the water injection cavity in a rotating way, the bottom end surface of the supporting block is connected with a cutting ice skate blade in a rotating way through a fixed rod, and the fixed rod is upwards inserted into the water injection cavity, a sliding cavity is arranged on the fixed rod, and the sliding cavity is connected with a sliding rod in a sliding way through a spring, the lower end surface of the connecting rod is provided with an electromagnetic block, the upper end surface of the sliding rod is provided with a metal block, the electromagnetic block is connected with the metal block in a magnetic adsorption way, a drain hole is arranged on the lower cavity wall of the water injection cavity in a penetrating way, the lateral wall in water injection chamber has seted up the water injection hole, and has pegged graft in the water injection hole and have the sealing plug, the winding has electric heating wire on the cutting skates.
Furthermore, the grafting chamber has been seted up to the side surface of supporting shoe, and grafting chamber and water injection chamber intercommunication, the slip grafting of grafting intracavity has the sealing strip, and the inboard surface of sealing strip is connected with the insulation board, the insulation board slides and inserts between connecting rod and the slide bar for cut apart with insulating to electro-magnet and metal block after the outage.
Further, the outer wall of connecting rod is provided with L type stripper bar, the upper surface of insulation board is provided with a plurality of arc cavity balls, and all fills in a plurality of arc cavity balls and have saline solution, the bottom portion of L type stripper bar rotates extrusion contact with a plurality of arc cavity balls, and is a plurality of sealed notes liquid hole has been seted up to arc cavity ball upper surface, and the lower terminal surface of a plurality of arc cavity balls has all seted up the hole for water spraying, the lower extreme hole of hole for water spraying is located the lower surface of insulation board.
Furthermore, a fixed cover is sleeved on the middle connecting pipe in a sliding mode through a sliding ring, the lower end face of the fixed cover is flush with the lower surface of the drill bit, and a plurality of sawtooth pieces are arranged on the lower surface of the fixed cover.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the stabilizing device is arranged below the moving frame, hot water discharged through the drain holes can be contacted with the frozen soil layer, so that the cutting ice blade and the supporting block are adhered to the surface of the frozen soil layer in an icing mode, and in order to facilitate the drain holes to discharge the hot water, a plurality of flow guide grooves can be formed in the lower surface of the supporting block, so that the supporting block is not in complete sealing contact with the surface of the frozen soil layer, and therefore, the hot water can flow to the lower surface of the supporting block to be adhered to the surface of the frozen soil layer, the moving frame can be fixed in an icing adhesion mode, an exploratory worker does not need to use other equipment to drill holes in advance to fix the moving frame, then, the drilling sampling operation is carried out, and the speed of the drilling equipment for sampling geological exploration can be improved.
2. According to the invention, the fixed cover is arranged above the drill bit in a sliding manner, so that the fixed cover can isolate ice slag splashed during drilling when the drill bit drills the surface of the frozen soil layer, and prevent the splashed ice slag from accidentally injuring exploration personnel; and fixed cover lower surface sets up a plurality of sawtooth pieces for fixed cover can pierce frozen soil layer surface, and then can increase fixed cover and frozen soil layer surface contact fixed effect, prevents that the ice sediment that splashes from striking fixed covering, leads to fixed cover to produce the phenomenon of rocking.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the retaining cap of the present invention;
FIG. 3 is a cross-sectional view of a support block of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 according to the present invention.
In the figure: 1. a movable frame; 11. erecting a rod; 2. raising and lowering the drilling apparatus; 21. a feed screw nut pair; 22. connecting the transverse plate; 23. fixing a drill rod; 24. a middle connecting pipe; 25. a drill bit; 26. a screw shaft; 3. a securing device; 31. a support block; 311. a water injection cavity; 312. a drain hole; 313. a water injection hole; 314. an insertion cavity; 32. a connecting rod; 33. cutting an ice skate blade; 34. a fixing rod; 35. a slide bar; 36. an electromagnetic block; 37. a metal block; 4. a sealing strip; 5. an insulating plate; 6. an L-shaped extrusion stem; 7. an arc-shaped cavity ball; 8. a fixed cover; 81. and a sawtooth sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution of a fast drilling apparatus for geological exploration of frozen earth: a fast drilling device for geological exploration of frozen soil comprises a moving frame 1, wherein a lifting drilling device 2 is installed on the moving frame 1, and the lifting drilling device 2 is used for drilling and sampling the geological in a frozen soil stratum; the lower end face of the movable frame 1 is provided with a stabilizing device 3, and the stabilizing device 3 is used for safely and stably fixing the movable frame 1 to the surface of the frozen soil stratum; when the portable drilling equipment is used for geological exploration and sampling, the existing portable or portable drilling equipment is particularly used for sampling when an exploration person needs to use the drilling equipment for geological exploration and sampling on a frozen soil layer which is cold in northeast, and most of the existing portable drilling equipment needs to drill holes in an area to be drilled in advance when being fixed to the frozen soil layer, then the existing drilling equipment is fixed, then drilling and sampling are carried out, if the existing drilling equipment is not fixed by drilling holes in advance, the stability and the safety of the drilling equipment when drilling in the frozen soil are inevitably influenced, and therefore the speed of sampling can be reduced when the existing portable drilling equipment is used for exploring the frozen soil geological layer; consequently, when the exploratory staff adopted the drilling equipment of this application design to carry out the ground probing sample, many exploratory staff will remove frame 1 and remove the position of treating the drilling sample earlier, then adopt the mode of icing adhesion will remove the surface of frame 1 safety and stability to the frozen soil stratum through stabilising arrangement 3, then go up and down drilling device 2 and carry out the probing sample operation, because stabilising arrangement 3 installs the lower surface that removes frame 1, consequently, make and remove the mode of adopting icing adhesion between frame 1 and the frozen soil stratum surface and fix, do not need the exploratory staff to carry out drilling hole in advance through manual punching and fix removal frame 1, then drilling sample operation is being carried out, and then can improve the speed of drilling equipment to geological exploration sample.
As shown in fig. 1, 2 and 4, the lifting drilling device 2 includes a screw-nut pair 21, a connecting transverse plate 22, a fixed drill rod 23, a middle connecting pipe 24 and a drill 25, screw shafts 26 of two symmetrical screw-nut pairs 21 are respectively symmetrically installed in moving grooves formed in side walls of upright posts 11 on two sides of the moving frame 1, top ends of the two symmetrical screw shafts 26 are respectively connected with a rotating shaft of a motor, nuts of the two symmetrical screw-nut pairs 21 are installed at two ends of the connecting transverse plate 22, the lower end of the connecting transverse plate 22 is rotatably installed with the fixed drill rod 23, a top end of the fixed drill rod 23 is connected with the rotating shaft of the motor, the bottom end of the fixed drill rod 23 is detachably connected with the middle connecting pipe 24, and the bottom end of the middle connecting pipe 24 is installed with the drill 25; when the drilling machine works, after the moving frame 1 is fixed to the surface of a frozen soil stratum through the stabilizing device 3, an explorationist can firstly control the motor above the connecting transverse plate 22 to work through the control system, so that the motor rotates through the fixed drill rod 23, the middle connecting pipe 24 and the drill bit 25, then the exploration crew can control the synchronous work of the motor symmetrically arranged on the upper end surface of the moving frame 1, the synchronous rotation of the two motors can drive the connecting transverse plate 22 to move downwards through the matching of the screw-nut pair 21, the connecting transverse plate 22 moving downwards can drive the drill bit 25 rotating at a high speed to drill downwards on the surface of the frozen soil stratum, soil or rock in a drill hole can enter the middle connecting pipe 24 to be collected, and the moving frame 1 is fixed on the surface of the frozen soil stratum in an icing adhesion mode through the stabilizing device 3, therefore, when the drill bit 25 is just contacted with the surface of the frozen soil stratum, the surface hardness of the frozen soil layer is high, so that the whole drilling equipment shakes, and the safe use of the drilling equipment is further influenced; after the drill bit 25 drills to the predetermined depth, the motor on the survey personnel control connection diaphragm 22 slowly rotates or stall, then the motor antiport of control removal frame 1 top for connecting diaphragm 22 and driving drill bit 25 upward movement, thereby be convenient for collect the soil sample of probing in the drilling, when needs drilling equipment transposition, the survey personnel only need break away from securing device 3 from the frozen soil layer surface, alright in order to realize the removal transposition to drilling equipment.
As shown in fig. 2 and 3, the fixing device 3 includes a supporting block 31, a connecting rod 32, a cutting ice blade 33, a fixing rod 34 and a sliding rod 35, the supporting block 31 is disposed on the bottom end surface of the vertical rod 11, a water injection cavity 311 is formed in the supporting block 31, the connecting rod 32 is connected to the bottom end of the screw shaft 26, the connecting rod 32 is rotatably inserted into the water injection cavity 311, the cutting ice blade 33 is rotatably connected to the bottom end surface of the supporting block 31 through the fixing rod 34, the fixing rod 34 is upwardly inserted into the water injection cavity 311, a sliding cavity is formed in the fixing rod 34, the sliding rod 35 is slidably connected to the sliding cavity through a spring, an electromagnetic block 36 is disposed on the lower end surface of the connecting rod 32, a metal block 37 is disposed on the upper end surface of the sliding rod 35, the electromagnetic block 36 is magnetically connected to the metal block 37, and a water discharge hole 312 is formed through the lower cavity wall of the water injection cavity 311, a water injection hole 313 is formed in the side wall of the water injection cavity 311, a sealing plug is inserted into the water injection hole 313, and an electric heating wire is wound on the cutting skates 33; when the mobile frame 1 needs to be fixed to the surface of the frozen soil layer through the stabilizing device 3, at this time, the drill bit 25 needs to be firstly lifted above the supporting block 31, then the electromagnet on the lower surface of the connecting rod 32 is controlled to be electrified, the sliding rod 35 can be pulled out upwards from the fixed rod 34 by the magnetic adsorption force generated by the electromagnet on the metal block 37, so that the connecting rod 32 is connected with the fixed rod 34 through the sliding rod 35, then an explorationist controls the motor on the upper side of the mobile frame 1 to rotate, the motor can drive the drill bit 25 to move downwards during rotation, but can drive the screw rod shaft 26 to rotate, therefore, the rotation of the screw rod can drive the cutting ice skate 33 on the lower surface of the supporting block 31 to rotate and cut on the surface of the frozen soil layer through the fixed rod 34, so that the cutting ice skate 33 can be embedded into the inner part of the surface of the frozen soil layer, and the lower surface of the supporting block 31 is attached to the surface of the frozen soil layer, at this time, the drill bit 25 moves downwards and does not contact with the surface of the frozen soil layer, then the electromagnetic block 36 is controlled to be powered off, the electromagnetic block 36 does not generate magnetic adsorption force on the metal block 37, therefore, the sliding rod 35 is contracted into the fixing rod 34 under the pulling force of the spring, then an explorationist opens the sealing plug, hot water is injected into the water injection cavity 311 through the water injection hole 313, the hot water in the water injection cavity 311 falls to the positions where the cutting ice blade 33, the groove cut by the cutting ice blade 33 and the supporting block 31 are contacted with the surface of the frozen soil layer through the water discharge hole 312, because the surface temperature of the frozen soil layer is lower than zero and is in an icing state, the hot water discharged through the water discharge hole 312 is contacted with the frozen soil layer, so that the cutting ice blade 33 and the supporting block 31 are adhered to the surface of the frozen soil layer in an icing manner, and in order to facilitate the water discharge hole 312 to discharge the hot water, a plurality of flow guide grooves can be formed on the lower surface of the supporting block 31, so that the supporting block 31 is not in complete sealing contact with the surface of the frozen soil layer, thereby being convenient for hot water to flow to the lower surface of the supporting block 31 to be adhered to the surface of the frozen soil layer, and further being convenient for fixing the movable frame 1 in the manner of ice adhesion, and for the firmness of the flushed hot water and the ice adhesion, when the movable frame 1 needs to be moved to a replacement position, the drill 25 needs to be lifted to the surface of the frozen soil layer, then the electric heating wire on the cutting ice blade 33 is controlled to be electrified to generate heat, so that the cutting ice blade 33 melts the surrounding frozen and bonded soil in a heating state, meanwhile, the electromagnet at the lower end of the connecting rod 32 is controlled to be electrified, the fixed rod 34 is connected with the connecting rod 32 in a magnetic adsorption manner, then the motor above the movable frame 1 is driven to continuously rotate in the reverse direction, thereby the cutting ice blade 33 can be driven to rotate on the surface of the frozen soil layer through the rotation of the screw shaft 26, and further accelerating the direct separation of the cutting ice blade 33 and the supporting block 31 from the frozen soil layer to be adhered to the frozen soil layer, thereby facilitating the moving and replacing of the moving rack 1; the designer can be according to the cold temperature in northeast cold region and the condition of freezing, and the size and the weight of this application portable drilling equipment, and then increase the area of contact of supporting shoe 31 and cutting skates 33 and frozen soil surface, make further increase supporting shoe 31 and embedding and cut the produced adhesive force when skates 33 and frozen soil surface freeze in the cutting groove, and will remove frame 1 and adopt light-duty aluminium alloy material, can reduce the weight of this application drilling equipment, and because the portable drilling equipment of this application design is to the surface soil of frozen soil layer, the mixture such as rubble or grit carries out the rapid drilling sample, consequently, the impact force that produces when drilling frozen soil layer of drill bit 25 can be less than the impact force that produces when current large-scale drilling equipment drills the sample to ground certainly, consequently, the adhesive force that produces when supporting shoe 31 and cutting skates 33 and frozen soil surface can not receive drilling equipment and drills the sample when drilling the sample The moving frame 1 may shake due to the impact force generated during the operation.
As shown in fig. 3, an insertion cavity 314 is formed in a side surface of the supporting block 31, the insertion cavity 314 is communicated with the water injection cavity 311, the sealing strip 4 is inserted in the insertion cavity 314 in a sliding manner, an insulating plate 5 is connected to an inner side surface of the sealing strip 4, and the insulating plate 5 is inserted between the connecting rod 32 and the sliding rod 35 in a sliding manner and used for insulating and dividing the electromagnet and the metal block 37 after power failure; when the device works, when the electromagnet at the bottom end of the connecting rod 32 loses power and is separated from magnetic adsorption on the metal block 37, the sliding rod 35 is driven by the spring to contract into the fixing rod 34, at the moment, an explorationist can push the sliding sealing strip 4, so that the sealing strip 4 drives the insulating plate 5 to be inserted between the connecting rod 32 and the sliding rod 35, the insulating plate 5 can further play a role in isolating the magnetic adsorption on the electromagnetic block 36 and the metal block 37, the phenomenon that the explorationist mistakenly touches the controller to cause the electromagnet to be powered on, and then the connecting rod 32 and the sliding rod 35 are connected in a magnetic adsorption manner, so that the cutting ice skate 33 rotates in an icing adhesion state, and the safety of the moving frame 1 is further influenced to be fixed on the surface of frozen soil; when connecting rod 32 and slide bar 35 need to carry out the magnetic adsorption and connect, through outwards pulling sealing strip 4 to drive insulation board 5 and break away from between connecting rod 32 and the slide bar 35, thereby be convenient for the electro-magnet carries out the magnetic adsorption with metal block 37 when getting electricity, be convenient for carry out the magnetic adsorption with connecting rod 32 and slide bar 35 and connect.
As shown in fig. 3, an L-shaped extrusion rod 6 is arranged on the outer wall of the connecting rod 32, a plurality of arc-shaped cavity balls 7 are arranged on the upper surface of the insulating plate 5, a saline solution is filled in each arc-shaped cavity ball 7, the bottom end of the L-shaped extrusion rod 6 is in rotary extrusion contact with each arc-shaped cavity ball 7, a sealed liquid injection hole is formed in the upper surface of each arc-shaped cavity ball 7, a water spray hole is formed in the lower end surface of each arc-shaped cavity ball 7, and the lower end of each water spray hole is located on the lower surface of the insulating plate 5; when the device works, when the moving frame 1 needs to be moved, the supporting block 31 and the cutting ice blade 33 need to be separated from the frozen soil layer to be adhered, at this time, an explorationist can push the sealing strip 4 inwards to enable the insulating plate 5 to be inserted between the connecting rod 32 and the sliding rod 35 to be separated, then when the motor above the moving frame 1 drives the drill bit 25 to move upwards, the screw rod shaft 26 can drive the connecting rod 32 and the L-shaped extrusion rod 6 to rotate, the L-shaped extrusion rod 6 rotates to extrude a plurality of arc-shaped cavity balls 7 arranged on the upper surface of the insulating plate 5, the saline solution in the arc-shaped cavity balls 7 can be sprayed downwards into the drain holes 312 through the water spraying holes when being subjected to extrusion force, the saline solution is in contact with the surface of the frozen soil layer through the drain holes 312, and the saline solution discharged downwards through the drain holes 312 is matched with the electric heating wires on the cutting ice blade 33, so that the frozen soil layer 33 and the frozen soil layer can be quickly melted, when the cutting skates 33 need to be rotated, the insulating plate 5 needs to be completely pulled out from between the connecting rod 32 and the sliding rod 35, and the plurality of arc-shaped cavity balls 7 can be separated from the rotating L-shaped extrusion rod 6 for extrusion contact, so that the saline solution flowing downwards is matched with the rotating cutting skates 33 in a heating state, the supporting block 31 and the cutting skates 33 can be rapidly melted with a frozen soil layer frozen and adhered to each other, and the moving frame 1 can be rapidly detached and moved; when the insulating plate 5 is needed to be insulated and the L-shaped extrusion rod 6 is not needed to extrude the plurality of arc-shaped cavity balls 7, at the moment, an explorationist only needs to slowly push the sealing strip 4, so that the insulating plate 5 is only inserted between the connecting rod 32 and the sliding rod 35, and the side end face of the insulating plate 5 is located on the side wall of the connecting rod 32 at a small distance, so that the L-shaped extrusion rod 6 cannot extrude the arc-shaped cavity balls 7 when rotating, and therefore the saline solution in the arc-shaped cavity balls 7 cannot be discharged through the water discharge hole 312; the water injection chamber 311 can be taken out completely with insulation board 5 to the exploration personnel, injects the brine solution into arc cavity ball 7 through sealed annotating the liquid hole, and arc cavity ball 7 has heat retaining effect, and arc cavity ball 7 is located water injection chamber 311, can not make the phenomenon that brine solution produced to freeze.
As shown in fig. 4, the middle connecting pipe 24 is slidably sleeved with a fixed cover 8 through a sliding ring, the lower end surface of the fixed cover 8 is flush with the lower surface of the drill 25, and the lower surface of the fixed cover 8 is provided with a plurality of sawtooth plates 81; when the drill bit 25 is in contact with the frozen soil layer frozen to drill, the ice layer is arranged on the surface of the frozen soil layer, so that the fixed cover 8 is sleeved on the outer wall of the drill bit 25 in a sliding manner, and the fixed cover 8 can isolate ice slag splashed during drilling when the drill bit 25 drills the frozen soil layer frozen to prevent the splashed ice slag from causing accidental injury to exploration personnel; and fixed cover 8 lower surface sets up a plurality of sawtooth pieces 81 for fixed cover 8 can pierce the frozen soil layer surface, and then can increase fixed cover 8 and frozen soil layer surface contact fixed effect, prevents that the ice sediment that splashes from striking fixed cover 8 on, leads to fixed cover 8 to produce the phenomenon of rocking.
The working principle is as follows: when the mobile frame 1 is fixed to the surface of the frozen soil stratum through the stabilizing device 3, the drill 25 is required to be lifted above the supporting block 31 at this time, then the electromagnet on the lower surface of the connecting rod 32 is controlled to be powered on, the sliding rod 35 is pulled out upwards from the fixed rod 34 by the magnetic adsorption force generated by the electromagnet on the metal block 37, so that the connecting rod 32 is connected with the fixed rod 34 through the sliding rod 35, then an explorationist controls the motor above the mobile frame 1 to rotate, the motor can drive the drill 25 to move downwards when rotating, but can also drive the screw rod shaft 26 to rotate, therefore, the rotation of the screw rod can drive the cutting ice blade 33 on the lower surface of the supporting block 31 to rotate and cut on the surface of the frozen soil stratum through the fixed rod 34, so that the cutting ice blade 33 can be embedded into the inner part of the surface of the frozen soil stratum, and the lower surface of the supporting block 31 is attached to the surface of the frozen soil stratum, at this time, the drill 25 moves downwards and does not contact with the surface of the frozen soil stratum, then the electromagnet block 36 is controlled to be powered off, the electromagnet block 36 does not generate magnetic adsorption force to the metal block 37, therefore, the sliding rod 35 is contracted into the fixed rod 34 under the pulling force of the spring, then an explorationist opens the sealing plug, hot water is injected into the water injection cavity 311 through the water injection hole 313, the hot water in the water injection cavity 311 falls to the positions where the cutting skates 33, the grooves cut by the cutting skates 33 and the support blocks 31 are contacted with the surface of the frozen soil layer through the water discharge holes 312, because the surface temperature of the frozen soil layer is lower than zero degree and is in an icing state, the hot water discharged through the water discharge holes 312 is contacted with the frozen soil layer, so that the cutting skates 33 and the support blocks 31 are adhered to the surface of the frozen soil layer in an icing mode, the explorationist can control the motor connected above the transverse plate 22 to work through the control system, and the motor rotates through the fixed drill rod 23, the intermediate connecting pipe 24 and the drill bit 25, then, the motors symmetrically arranged on the upper end face of the movable frame 1 are controlled to work synchronously, the synchronous rotation of the two motors can drive the connecting transverse plate 22 to move downwards through the matching of the screw-nut pair 21, the connecting transverse plate 22 moving downwards can drive the drill bit 25 rotating at a high speed to drill holes downwards on the surface of the frozen soil layer, soil or rocks in the drilled holes can enter the middle connecting pipe 24 to be collected, and the movable frame 1 is fixed on the surface of the frozen soil layer in an icing adhesion manner through the stabilizing device 3, so that the phenomenon that the whole drilling equipment shakes due to high hardness of the frozen surface when the drill bit 25 is just contacted with the surface of the frozen soil layer can be effectively prevented, and the safe use of the drilling equipment is further influenced; after the drill bit 25 drills to a preset depth, the explorationist controls the motor on the connecting transverse plate 22 to slowly rotate or stop rotating, and then controls the motor above the moving frame 1 to reversely rotate, so that the connecting transverse plate 22 drives the drill bit 25 to move upwards, and soil samples drilled in a drill hole can be collected conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fast drilling device for geological exploration of frozen soil comprises a moving frame (1), wherein a lifting drilling device (2) is installed on the moving frame (1), and the lifting drilling device (2) is used for drilling and sampling the geological in a frozen soil stratum; it is characterized in that the preparation method is characterized in that,
the lower end face of the movable frame (1) is provided with a stabilizing device (3), and the stabilizing device (3) is used for fixing the movable frame (1) to the surface of the frozen soil stratum safely and stably.
2. A rapid drilling apparatus for geological exploration of frozen earth according to claim 1, characterized in that: the lifting drilling device (2) comprises a screw-nut pair (21), a connecting transverse plate (22), a fixed drill rod (23), a middle connecting pipe (24) and a drill bit (25), screw rod shafts (26) of the screw-nut pair (21) are symmetrically arranged in moving grooves formed in side walls of vertical rods (11) on two sides of a moving frame (1), the top ends of the screw rod shafts (26) are connected with a rotating shaft of a motor, nuts of the screw-nut pair (21) are arranged at two ends of the connecting transverse plate (22), the fixed drill rod (23) is rotatably arranged at the lower end of the connecting transverse plate (22), the top end of the fixed drill rod (23) is connected with the rotating shaft of the motor, the bottom end of the fixed drill rod (23) is detachably connected with the middle connecting pipe (24), and the drill bit (25) is arranged at the bottom end of the middle connecting pipe (24).
3. A rapid drilling apparatus for geological exploration of frozen earth according to claim 2, characterized in that: the stabilizing device (3) comprises a supporting block (31), a connecting rod (32), a cutting ice skate (33), a fixing rod (34) and a sliding rod (35), the supporting block (31) is arranged on the bottom end face of the vertical rod (11), a water injection cavity (311) is formed in the supporting block (31), the connecting rod (32) is fixedly connected to the bottom end of the screw rod shaft (26), the connecting rod (32) is rotatably inserted into the water injection cavity (311), the bottom end face of the supporting block (31) is rotatably connected with the cutting ice skate (33) through the fixing rod (34), the fixing rod (34) is upwardly inserted into the water injection cavity (311), the sliding cavity is formed in the fixing rod (34), the sliding rod (35) is slidably connected into the sliding cavity through a spring, an electromagnetic block (36) is arranged on the lower end face of the connecting rod (32), and a metal block (37) is arranged on the upper end face of the sliding rod (35), the electromagnetic block (36) is connected with the metal block (37) in a magnetic adsorption mode, a drain hole (312) is formed in the lower cavity wall of the water injection cavity (311) in a penetrating mode, a water injection hole (313) is formed in the side wall of the water injection cavity (311), a sealing plug is inserted in the water injection hole (313), and an electric heating wire is wound on the cutting ice skate (33).
4. A rapid drilling apparatus for geological exploration of frozen earth according to claim 3, characterized in that: grafting chamber (314) have been seted up to the side surface of supporting shoe (31), and grafting chamber (314) and water injection chamber (311) intercommunication, it has sealing strip (4) to slide the grafting in chamber (314), and the inboard surface of sealing strip (4) is connected with insulation board (5), insulation board (5) slide insert between connecting rod (32) and slide bar (35) for cut apart with insulating to electro-magnet and metal block (37) after the outage.
5. A rapid drilling apparatus for geological exploration of frozen earth according to claim 4, characterized in that: the outer wall of connecting rod (32) is provided with L type stripper bar (6), the upper surface of insulation board (5) is provided with a plurality of arc cavity balls (7), and all fills in a plurality of arc cavity balls (7) have saline solution, the bottom portion and a plurality of arc cavity balls (7) of L type stripper bar (6) rotate extrusion contact, and are a plurality of sealed notes liquid hole has been seted up to arc cavity ball (7) upper surface, and the lower terminal surface of a plurality of arc cavity balls (7) has all seted up the hole for water spraying, the lower extreme hole of hole for water spraying is located the lower surface of insulation board (5).
6. A rapid drilling apparatus for geological exploration of frozen earth according to claim 2, characterized in that: the middle connecting pipe (24) is sleeved with a fixed cover (8) in a sliding mode through a sliding ring, the lower end face of the fixed cover (8) is flush with the lower surface of the drill bit (25), and a plurality of sawtooth pieces (81) are arranged on the lower surface of the fixed cover (8).
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| CN116084871A (en) * | 2023-04-07 | 2023-05-09 | 安徽建筑大学 | Geological exploration drilling equipment |
| CN116291181A (en) * | 2023-05-19 | 2023-06-23 | 山东能源重装集团大族再制造有限公司 | Drilling equipment suitable for natural coal mine top layer rubble soil horizon |
| CN118310795A (en) * | 2024-04-25 | 2024-07-09 | 交通运输部公路科学研究所 | Portable polar region ice and snow rapid core drilling sampling device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115628941A (en) * | 2022-12-06 | 2023-01-20 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Drilling sampling device for detecting pollution of abandoned coal mine |
| CN116084871A (en) * | 2023-04-07 | 2023-05-09 | 安徽建筑大学 | Geological exploration drilling equipment |
| CN116084871B (en) * | 2023-04-07 | 2023-06-20 | 安徽建筑大学 | Geological exploration drilling equipment |
| CN116291181A (en) * | 2023-05-19 | 2023-06-23 | 山东能源重装集团大族再制造有限公司 | Drilling equipment suitable for natural coal mine top layer rubble soil horizon |
| CN116291181B (en) * | 2023-05-19 | 2023-08-08 | 山东能源重装集团大族再制造有限公司 | Drilling equipment suitable for natural coal mine top layer rubble soil horizon |
| CN118310795A (en) * | 2024-04-25 | 2024-07-09 | 交通运输部公路科学研究所 | Portable polar region ice and snow rapid core drilling sampling device and method |
| CN118310795B (en) * | 2024-04-25 | 2024-08-27 | 交通运输部公路科学研究所 | Portable polar region ice and snow rapid core drilling sampling device and method |
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| CN115045610B (en) | 2023-06-20 |
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