CN113107476A - Earth surface sampling and analyzing device for mineral exploration - Google Patents
Earth surface sampling and analyzing device for mineral exploration Download PDFInfo
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- CN113107476A CN113107476A CN202110418941.7A CN202110418941A CN113107476A CN 113107476 A CN113107476 A CN 113107476A CN 202110418941 A CN202110418941 A CN 202110418941A CN 113107476 A CN113107476 A CN 113107476A
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- 238000005070 sampling Methods 0.000 title claims abstract description 65
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 29
- 239000011707 mineral Substances 0.000 title claims abstract description 29
- 238000005553 drilling Methods 0.000 claims abstract description 42
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 23
- 239000011435 rock Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 12
- 229910001570 bauxite Inorganic materials 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000489492 Arisaema Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011234 economic evaluation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010423 industrial mineral Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 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
- 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
- E21B10/00—Drill bits
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
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- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a ground surface sampling analysis device for mineral exploration, which relates to the technical field of mineral exploration and comprises a rack, a drill rod, a first drill bit, a second drill bit, an inner gear ring, a central gear, a planetary gear, a slide rail, an inner rod and a fixed disc, wherein the first drill bit is connected to the end part of the drill rod, the second drill bit is coaxially and rotatably connected into the first drill bit, the inner gear ring is coaxially arranged in an annular cavity in the first drill bit, the central gear is coaxially connected to the second drill bit, and the planetary gear is simultaneously meshed with the inner gear ring and the central gear. According to the earth surface sampling analysis device for mineral exploration, the second drill bit can be driven to rotate reversely relative to the first drill bit through the matching among the fixed disc, the planetary gear, the central gear and the inner gear ring, the first drill bit and the second drill bit generate two centripetal motions in opposite directions at the drilling position, cracks and crushing of rock and soil are accelerated, an earth surface mineral layer can be effectively drilled, and the drilling and sampling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of mineral exploration, in particular to a ground surface sampling and analyzing device for mineral exploration.
Background
Mineral exploration is the most effective method for finding and evaluating geological conditions, mineral deposit occurrence rules, mineral body change characteristics and industrial mineral deposits for researching mineral formation and distribution, so that mineral exploration means such as geological mapping, geophysical prospecting, chemical prospecting, drilling, pit prospecting and the like are used, sampling analysis and research are carried out, economic evaluation of mineral deposit technology is made, and a geological exploration report is compiled. In the sampling analysis of the mineral exploration ground surface, a drilling machine is required to drive a drilling tool to break rock soil on the mineral surface, drill samples such as rock cores, mineral cores, rock debris and the like, and analyze the samples so as to find the conditions of underground geology, mineral resources and the like.
If the granted announcement date is 2019, 1 month and 11 days, the granted announcement number is CN106198109B, the patent right is Henan university of Arisaema, and the invention is named as a sampling device for bauxite mineral exploration, the invention comprises a base, a hydraulic jack, a supporting beam, a supporting seat, a sampling pipeline, a negative pressure sampling pump and a bauxite sampling drill bit assembly, wherein the supporting beam is horizontally arranged, two ends of the supporting beam are respectively and fixedly provided with a supporting rod, the lower end of the supporting rod is supported and arranged on the base by the hydraulic jack, the supporting seat is arranged at the middle position of the supporting beam, the bauxite sampling drill bit assembly is fixedly arranged on the lower surface of the supporting seat, the bauxite sampling drill bit assembly is communicated with the sampling pipeline, the sampling pipeline is communicated with the negative pressure sampling pump, and the negative pressure sampling pump is fixedly arranged at the end part of the supporting beam, realize taking a sample to the bauxite fast and efficiently.
In the prior art, when a drilling machine drills an ore bed in the mineral exploration sampling process, the drill bit is not enough in destructive performance of the ore bed in the unidirectional rotary drilling mode, the drilling effect is not ideal, sometimes, the drill bit is driven by controlling the motor to rotate forwards and reversely alternately to achieve a good drilling effect in the forward rotation and reverse rotation mode, but the mode still has the defect that the load of the motor is large in the process of repeatedly switching the forward rotation and the reverse rotation, the service life of the motor is seriously reduced, the rotating speed of the drill bit is reduced to zero from high in the process of switching the forward rotation to the reverse rotation, and then the drill bit is accelerated in the reversing mode, the drill bit drills in the stagnation in the process, and the drilling of the drill bit on the ore bed is still not efficient on the whole.
Disclosure of Invention
The invention aims to provide an earth surface sampling and analyzing device for mineral exploration, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: an earth surface sampling and analyzing device for mineral exploration comprises a rack, a drill rod, a power mechanism for driving the drill rod to rotate, a lifting mechanism for driving the drill rod to lift, a first drill bit, a second drill bit, an inner gear ring, a central gear, a planetary gear, a slide rail, an inner rod and a fixed disc, wherein the first drill bit is connected with the end part of the drill rod, the second drill bit is coaxially and rotatably connected in the first drill bit, the inner gear ring is coaxially arranged in an annular cavity in the first drill bit, the central gear is coaxially connected in the second drill bit, the planetary gear is simultaneously meshed with the inner gear ring and the central gear, the slide rail is vertically arranged on the rack, the inner rod is coaxially arranged in the drill rod in a penetrating manner, the top of the inner rod is slidably connected with the slide rail, the fixed disc is fixedly connected with the bottom of the inner rod, and are respectively connected with the axes of the sun gear and the planet gear in a rotating way.
Furthermore, the materials of the inner gear ring, the sun gear and the planet gear are the same as those of the first drill bit.
Further, still include sampling mechanism, sampling mechanism includes: disc, well core rod, drive assembly, wherein, disc coaxial coupling is in the annular cavity, and is close to the sampling room has been seted up to one side of second drill bit, well core rod one end is connected the second gear, the other end slides and runs through disc, central gear axle center and interior pole, drive assembly is used for the drive the second drill bit is along axial motion, the second drill bit has the closed position of closed sampling room and opens the open position of sampling room on the axial motion stroke.
Furthermore, the driving assembly comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the fixed inner rod, and the other end of the hydraulic cylinder is rotatably connected with the central rod.
Further, the center rod comprises a first section rod body fixedly connected with the second drill bit and a second section rod body fixedly connected with the driving assembly, and the first section rod body is rotatably connected with the second section rod body.
Further, a protruding rod is arranged on the outer periphery side of the second drill bit or the inner periphery side of the first drill bit.
Further, the circular disc, the inner wall of the first drill bit and the fixed disc form a closed space for wrapping the inner gear ring, the central gear and the planetary gears.
Furthermore, the oil circulation mechanism comprises an oil injection pipeline for injecting oil into the closed space and an oil discharge pipeline for discharging oil from the closed space.
Furthermore, a plurality of first spiral grooves are formed in the outer side of the first drill bit, a plurality of second spiral grooves are formed in the outer side of the second drill bit, and the spiral directions of the second spiral grooves are opposite to those of the first spiral grooves.
Further, when the second drill bit is in the closed position, the horizontal position of the teeth of the second drill bit is lower than the horizontal position of the teeth of the first drill bit.
In the technical scheme, when the power mechanism drives the first drill bit to rotate, the power mechanism can drive the second drill bit to rotate reversely relative to the first drill bit through the matching among the fixed disc, the planetary gear, the central gear and the inner gear ring, so that the first drill bit and the second drill bit can rotate reversely at the same time, the first drill bit and the second drill bit generate two centripetal motions in opposite directions at the drilling position, the rock soil is accelerated to generate cracks and be broken, the rock soil layer on the ground surface can be effectively drilled, and the drilling and sampling efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIGS. 2-4 are schematic views of a drilling tool according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a drill configuration provided by an embodiment of the present invention;
FIGS. 6-7 are schematic views of the drilling tool and the sampling mechanism according to the embodiment of the present invention;
FIG. 8 is a cross-sectional view of a drilling tool and sampling mechanism according to an embodiment of the present invention;
FIG. 9 is an exploded view of a drill configuration provided by an embodiment of the present invention;
FIG. 10 is a schematic view of a drilling device and a sampling mechanism according to another embodiment of the present invention;
FIG. 11 is a schematic structural view of a drilling tool, a sampling mechanism and an oil circulating mechanism according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a first drill and a second drill according to an embodiment of the invention.
Description of reference numerals:
1. a frame; 2. a drill stem; 3. a power mechanism; 4. a lifting mechanism; 5. a first drill bit; 5.1, a first spiral groove; 6. a second drill bit; 6.1, a second spiral groove; 7. an inner gear ring; 8. a sun gear; 9. a planetary gear; 10. a slide rail; 11. an inner rod; 12. fixing the disc; 13. a sampling mechanism; 13.1, a disc; 13.2, a sampling chamber; 13.3, a center rod; 13.31, a first section of rod body; 13.32, a second section of rod body; 13.4, a driving component; 14. a nose bar; 15.1, an oil filling pipeline; 15.2, an oil drainage pipeline.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-12, an earth surface sampling and analyzing device for mineral exploration according to an embodiment of the present invention includes a frame 1, a drill rod 2, a power mechanism 3 for driving the drill rod 2 to rotate, a lifting mechanism 4 for driving the drill rod 2 to lift, a first drill 5, a second drill 6, an inner gear ring 7, a central gear 8, at least one planetary gear 9, a slide rail 10, an inner rod 11, and a fixing disc 12, wherein the first drill 5 is connected to an end of the drill rod 2, the second drill 6 is coaxially and rotatably connected to the first drill 5, the inner gear ring 7 is coaxially disposed in an annular cavity of the first drill 5, the central gear 8 is coaxially connected to the second drill 6, the planetary gear 9 simultaneously engages the inner gear ring 7 and the central gear 8, the inner rod 10 of the slide rail is vertically disposed on the frame 1, the inner rod 11 is coaxially disposed inside the drill rod 2, and a top of the inner rod 11 is, the fixed disk 12 is fixedly connected to the bottom of the inner rod 11, and the fixed disk 12 is respectively connected with the axes of the sun gear 8 and the planet gear 9 in a rotating manner.
Specifically, the power mechanism 3 drives the drill rod 2 to rotate, and the lifting mechanism 4 drives the drill rod 2 to lift is the prior art, which is not described herein, and this embodiment specifically describes the structure and characteristics of a drilling tool including the drill rod 2, the first drill bit 5, the second drill bit 6, and the like, the first drill bit 5 is connected to the bottom end of the drill rod 2, and is generally detachably connected to facilitate separation of the first drill bit 5 from the drill rod 2, for example, the first drill bit 5 is in threaded connection with the drill rod 2, the first drill bit 5 is integrally a cylindrical structure with drill teeth on one end surface, an annular cavity is formed inside, the second drill bit 6 is located on the axis of the first drill bit 5, the inner gear ring 7, the planetary gear 9, and the central gear 8 are located in the annular cavity and sequentially engaged with each other, the second drill bit 6 is connected to the central gear 8 through a shaft rod, so that the central gear 8 and the, the central gear 8 is driven to rotate reversely by the inner gear ring 7 and the planet gear 9, and the central gear 8 drives the second drill bit 6 to rotate by the shaft lever. The separating parts are arranged between the second drill 6 and the inner gear ring 7, the planetary gear 9 and the central gear 8, the separating parts are in dynamic sealing connection with the shaft rod and the cavity wall of the annular cavity, so that rock soil is prevented from entering spaces where the inner gear ring 7, the planetary gear 9 and the central gear 8 are located during drilling, the bottom surface of the fixed disc 12 is rotationally connected with the planetary gear 9 and the central gear 8, the upper surface of the fixed disc 12 is vertically and slidably connected with a slide rail 10 fixedly connected to the rack 1 through the inner bar 11, the inner bar 11 and the fixed disc 12 cannot rotate, the planetary gear cannot revolve around the inner gear ring 7, and the fact that the rotation of the inner gear ring 7 can be transmitted as the reverse rotation of the central. Further, the number of the planetary gears 9 is 1 to 4.
In the technical scheme, when the power mechanism 3 drives the first drill bit 5 to rotate, the power mechanism can drive the second drill bit 6 to rotate reversely relative to the first drill bit 5 through the matching among the fixed disc 12, the planetary gear 9, the central gear 8 and the inner gear ring 7, so that the first drill bit 5 and the second drill bit 6 can rotate reversely at the same time, the first drill bit 5 and the second drill bit 6 generate two centripetal motions in opposite directions at the drilling position, the rock soil is accelerated to generate cracks and be broken, the rock soil layer on the ground surface can be effectively drilled, and the efficiency of drilling and sampling is improved.
As a preferable technical solution of this embodiment, the material of the inner gear ring 7, the sun gear 8 and the planet gear 9 is the same as that of the first drill 5, and if the inner gear ring, the sun gear 8 and the planet gear 9 are made of high-speed tool steel or hard alloy, the inner gear ring has high strength, impact toughness and wear resistance.
In another embodiment provided by the present invention, the present invention further includes a sampling mechanism 13, and the sampling mechanism 13 includes: the drilling tool comprises a disc 13.1, a central rod 13.3 and a driving assembly 13.4, wherein the disc 13.1 is coaxially connected in an annular cavity, the peripheral side of the disc 13.1 is fixedly connected with the inner side of a first drill bit 5 in a sealing manner, the disc 13.1, the inner wall of the first drill bit 5 and a fixed disc 12 form a closed space for coating an inner gear ring 7, a central gear 8 and a planetary gear 9, the disc 13.1 is equivalent to a partition part in the previous embodiment and can prevent rock soil from entering the closed space during drilling, and a sampling chamber 13.2 is formed in one side, close to a second drill bit 6, of the disc 13.1; one end of a central rod 13.3 is fixedly connected with a second gear, and the other end of the central rod sequentially penetrates through the axis of the disc 13.1, the central gear 8 and the inner rod 11 in a sliding mode, namely the central rod 13.3 is connected with the disc 13.1 in a sliding and rotating and sealing mode, if the central rod 13.3 and the disc 13.1 are movably sleeved, the sliding and rotating and sealing mode can be achieved, the central rod 13.3 is connected with the shaft rod in an axial sliding mode, the inner rod 11 is a hollow rod, the central rod 13.3 extends into the inner rod 11, and the central rod 13.; the driving component 13.4 is used for driving the second drilling head 6 to move along the axial direction, the second drilling head 6 has a closed position for closing the sampling chamber 13.2 and an open position for opening the sampling chamber 13.2 on the movement stroke along the axial direction, and specifically, the driving component 13.4 is a hydraulic cylinder, an air cylinder or an electric push rod.
During the drilling process, the second drill bit 6 is in the closed position, the external rock soil cannot enter the sampling chamber 13.2, when the drill bit drills to the preset sampling position, the second drill bit 6 is driven to move downwards through the driving assembly 13.4, the second drill bit 6 can continuously drill in a rotating mode for a short distance, so that the sampling chamber 13.2 is opened, the rock soil at the sampling position can be driven to enter the sampling chamber 13.2 during the rotating process of the second drill bit 6, then the second drill bit 6 is driven to move upwards through the driving assembly 13.4 to the closed position (a small gap is formed between the second drill bit 6 and the disc 13.1, frictional heat is reduced), the rock soil sample at the sampling position is sealed in the sampling chamber 13.2, and during the upward movement of the second drill bit 6 to the closed position, some rock soil particles are located between the upper surface of the second drill bit 6 and the lower surface of the disc 13.1, so that the second drill bit 6 is prevented from being attached to the disc, in a preferred embodiment the second bit 6 is provided with a spline formation opposite the disc 13.1, but the two spline surfaces are not in direct contact, preventing larger coarse particles from getting caught between them and being ground by movement. As long as the second drilling head 6 is kept in rotation during the movement to the closed position, the upper surface of the second drilling head 6 and the lower surface of the disc 13.1 form a grinding disc structure, which prevents the rock soil between the two from being crushed and discharged, thereby enabling the second drilling head 6 to reach the closed position smoothly.
As the preferred technical scheme of this embodiment, drive assembly 13.4 includes the pneumatic cylinder, and fixed interior pole 11 is connected to pneumatic cylinder one end, and the other end rotates and connects well pole 13.3, if the base and the interior pole 11 fixed connection of pneumatic cylinder, the hydraulic stem and the well pole 13.3 of pneumatic cylinder rotate and are connected, drive well pole 13.3 and slide relatively interior pole 11 through the pneumatic cylinder is flexible to realize opening and close of sampling room 13.2.
In another embodiment of the present invention, the center rod 13.3 includes a first section of rod body 13.31 fixedly connected to the second drill 6 and a second section of rod body 13.32 fixedly connected to the driving component 13.4, the first section of rod body 13.31 is rotatably connected to the second section of rod body 13.32, the second section of rod body 13.32 penetrates through the inner rod 11 and extends to the top of the inner rod 11, the inner rod 11 is slidably connected to the slide rail 10 through a slider, the driving component 13.4 is preferably a hydraulic cylinder, a base of the hydraulic cylinder is mounted on the slider, a hydraulic rod of the hydraulic cylinder is fixedly connected to the center rod 13.3 through a connecting rod, when the hydraulic cylinder is lifted, the center rod 13.3 drives the second drill 6 to move upward to a closed position, and when the hydraulic cylinder is retracted, the center rod 13.3 drives the second drill 6 to move downward to.
In another embodiment of the present invention, in order to prevent soil and soil from being accumulated between the first drill 5 and the second drill 6 during the drilling process of the first drill 5 and the second drill 6, and thus the soil and soil sample obtained at the sampling position is not pure, in this embodiment, the protruding rod 14 is disposed on the outer circumferential side of the second drill 6 or the inner circumferential side of the first drill 5, and the protruding rod 14 is located below the outside of the closed space, and during the drilling process, the protruding rod 14 rotates along with the first drill 5 or the second drill 6, so that soil and soil cannot be accumulated between the first drill 5 and the second drill 6.
In another embodiment of the present invention, the present invention further comprises an oil circulating mechanism, the oil circulating mechanism includes an oil filling pipeline 15.1 for filling oil into the enclosed space and an oil discharging pipeline 15.2 for discharging oil from the enclosed space, the oil circulating mechanism further includes an oil storage chamber and a circulating pump (not shown in the figure), the oil is filled into the enclosed space through the oil filling pipeline 15.1 and then discharged from the oil discharging pipeline 15.2, so as to realize the flow of the oil in the enclosed space, on one hand, the oil can lubricate the internal gear ring 7, the planetary gear 9 and the central gear 8, on the other hand, the circularly flowing oil can take away the heat transmitted by the internal gear ring 7, the planetary gear 9 and the central gear 8 in the enclosed space, and meanwhile, the oil can take away the heat generated in the drilling process of the first drill bit 5.
In another embodiment provided by the invention, the outer side of the first drill bit 5 is provided with a plurality of first spiral grooves 5.1, the outer side of the second drill bit 6 is provided with a plurality of second spiral grooves 6.1, the spiral directions of the second spiral grooves 6.1 and the first spiral grooves 5.1 are opposite, in the drilling process, the first spiral grooves 5.1 can guide the crushed rock soil at the first drill bit 5 and the second drill bit 6 to the drill rod 2 conveniently, and when the second drill bit 6 is at the opening position in the sampling position, the second spiral grooves 6.1 can guide the rock soil at the sampling position into the sampling chamber 13.2 conveniently.
In still another embodiment of the present invention, when the second drill bit 6 is in the closed position, the horizontal position of the drilling teeth of the second drill bit 6 is lower than the horizontal position of the drilling teeth of the first drill bit 5, the drilling section of the second drill bit 6 is smaller than the drilling section of the first drill bit 5, and if compared singly, the second drill bit 6 has relatively smaller drilling resistance than the first drill bit 5, during the drilling process, the second drill bit 6 slightly protrudes from the center of the first drill bit 5, and the second drill bit 6 breaks the rock soil first, so that the center of the rock soil section where the first drill bit 5 is breaking is already broken by the second drill bit 6, and it is relatively easy to break the larger first drill bit 5 and drill, and the first drill bit 5 and the second drill bit 6 are more easily drilled as a whole.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a surface sampling analytical equipment that mineral exploration used, includes frame, drilling rod, the rotatory power unit of drive drilling rod and the elevating system that the drive drilling rod goes up and down, its characterized in that still includes:
a first drill bit connected to an end of the drill rod;
a second drill bit coaxially rotatably connected within the first drill bit;
an annular gear coaxially disposed within an annular cavity within the first drill bit;
a sun gear coaxially connected to the second drill bit;
a planetary gear simultaneously engaging the ring gear and the sun gear;
the sliding rail is vertically arranged on the rack;
the inner rod coaxially penetrates through the interior of the drill rod, and the top of the inner rod is connected with the sliding rail in a sliding manner;
and the fixed disc is fixedly connected to the bottom of the inner rod and is respectively and rotationally connected with the axes of the sun gear and the planetary gear.
2. The apparatus of claim 1, wherein the inner gear, the sun gear and the planetary gear are made of the same material as the first drill.
3. A surface sampling analysis apparatus for mineral exploration, according to claim 1, and further comprising a sampling mechanism, said sampling mechanism comprising:
the disc is coaxially connected in the annular cavity, and a sampling chamber is arranged at one side close to the second drill bit;
one end of the central rod is connected with the second gear, and the other end of the central rod penetrates through the disc, the axle center of the central gear and the inner rod in a sliding mode;
and the driving assembly is used for driving the second drill bit to move along the axial direction, and the second drill bit is provided with a closed position for closing the sampling chamber and an open position for opening the sampling chamber on the axial movement stroke.
4. A surface sampling and analysis device according to claim 3 and wherein said drive assembly comprises a hydraulic cylinder having one end connected to said fixed inner rod and the other end pivotally connected to said central rod.
5. A surface sampling and analysis apparatus according to claim 3 and wherein said center rod comprises a first rod portion fixedly connected to said second drill bit and a second rod portion fixedly connected to said drive assembly, said first rod portion being rotatably connected to said second rod portion.
6. A surface sampling and analysis device for mineral exploration according to claim 3, wherein said second drill bit is provided with a protruding rod on its outer circumference or first drill bit is provided with a protruding rod on its inner circumference.
7. A surface sampling and analysis device for mineral exploration according to claim 3, wherein said disk, inner wall of said first drill and said stationary disk form a closed space enclosing an inner gear ring, a sun gear and planetary gears.
8. A surface sampling and analysis device for mineral exploration, according to claim 7, further comprising an oil circulation mechanism, said oil circulation mechanism comprising an oil injection line for injecting oil into said enclosed space and an oil discharge line for discharging oil from said enclosed space.
9. The apparatus of claim 3, wherein the first drill bit defines a plurality of first helical flutes on an outer side thereof, and the second drill bit defines a plurality of second helical flutes on an outer side thereof, the second helical flutes having a helical direction opposite to that of the first helical flutes.
10. A surface sampling and analysis device for mineral exploration, according to claim 3, wherein the horizontal position of said second drill bit teeth is lower than the horizontal position of said first drill bit teeth when said second drill bit is in said closed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110418941.7A CN113107476B (en) | 2021-04-19 | 2021-04-19 | Surface sampling analysis device for mineral exploration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110418941.7A CN113107476B (en) | 2021-04-19 | 2021-04-19 | Surface sampling analysis device for mineral exploration |
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| CN113107476A true CN113107476A (en) | 2021-07-13 |
| CN113107476B CN113107476B (en) | 2023-07-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482855A (en) * | 2022-04-02 | 2022-05-13 | 陇东学院 | Soil layer drilling acquisition device for geological exploration |
| CN115958421A (en) * | 2023-03-16 | 2023-04-14 | 莱阳莱动油泵油嘴有限公司 | Lathe for central hole of plunger sleeve of oil pump oil nozzle |
| CN117007371A (en) * | 2023-10-07 | 2023-11-07 | 河北道桥工程检测有限公司 | Core drill bit for detection |
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| CN115958421A (en) * | 2023-03-16 | 2023-04-14 | 莱阳莱动油泵油嘴有限公司 | Lathe for central hole of plunger sleeve of oil pump oil nozzle |
| CN117250033A (en) * | 2023-07-03 | 2023-12-19 | 天津华北地质勘查总院 | Sampling device for mineral exploration |
| CN117250033B (en) * | 2023-07-03 | 2024-04-02 | 天津华北地质勘查总院 | Sampling device for mineral exploration |
| CN117007371A (en) * | 2023-10-07 | 2023-11-07 | 河北道桥工程检测有限公司 | Core drill bit for detection |
| CN117007371B (en) * | 2023-10-07 | 2024-01-02 | 河北道桥工程检测有限公司 | Core drill bit for detection |
| CN117108199A (en) * | 2023-10-23 | 2023-11-24 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Geological exploration drilling device |
| CN117108199B (en) * | 2023-10-23 | 2024-01-30 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Geological exploration drilling device |
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