CN104594800A - Carrying type deep sea core drilling machine - Google Patents
Carrying type deep sea core drilling machine Download PDFInfo
- Publication number
- CN104594800A CN104594800A CN201410734179.3A CN201410734179A CN104594800A CN 104594800 A CN104594800 A CN 104594800A CN 201410734179 A CN201410734179 A CN 201410734179A CN 104594800 A CN104594800 A CN 104594800A
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- Prior art keywords
- drill
- deep sea
- carrying type
- type deep
- core
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being specially adapted for operation under water
Abstract
The invention relates to an offshore exploration mechanical device, in particular to a carrying type deep sea core drilling machine which can be carried on a manned submersible vehicle or an underwater robot to obtain deep sea rock and ore samples. The carrying type deep sea core drilling machine comprises a drilling machine main shaft, a bearing pedestal, a drilling tool, a hydraulic motor and a linkage base. The drilling machine main shaft is installed on the bearing pedestal. One end of the drilling machine main shaft is connected with the drilling tool, and the other end of the drilling machine main shaft is connected with an output shaft of the hydraulic motor. The hydraulic motor is installed in the linkage base. One end of the linkage base is fixed to the bearing pedestal, and the other end of the linkage base is fixed to a mechanical arm of the manned submersible vehicle or the underwater robot. A pressure compensation device is arranged on the bearing pedestal. The carrying type deep sea core drilling machine has the advantages of being compact in structure, light in weight, high in reliability and safety and the like; the various requirements under severe working conditions of deep sea core sampling can be met, the samples can be conveniently and reliably provided for the scientific research on deep sea ore resources, and the carrying type deep sea core drilling machine is suitable for underwater core drilling.
Description
Technical field
The present invention relates to seafari plant equipment, particularly a kind of deep sea drill core rig for obtaining deep-sea cobalt bearing crust and Polymetallic sulphide core.
Background technology
Vast Oceanic Bottom is richly stored with mineral resources, comprises cobalt bearing crust, hot liquid vulcanization ore deposit etc., has huge economic worth and strategic importance.Deep-sea is one of mankind's zone of ignorance few in number on earth, and scientists has keen interest to the biology around deep-sea mineral composition, the mineral time limit, mineral forming mechanism, mineral physics mechanical characteristic and mineral and environmental aspect etc.These contain Marine Geology, marine organisms, Marine Chemistry, marine physics, the multiple subject of marine mining research all need a large amount of deep-sea mineral samples.Meanwhile, a large amount of explorations must be carried out when cobalt bearing crust Reserves Assessment and core drills through work.Therefore, the acquisition of deep-sea mineral core sample has vital effect in the research and development of Marine Sciences.Core drilling is carried out in the seabed that large-scale core-drill(ing) machine to be transferred to a few km depth of water mainly through sea scientific investigation ship by the acquisition of current seabed core, because sea stormy waves stream, marine mineral surface are rugged and rough, the factor such as unglazed in seabed makes the acquisition of deep sea drill core sample very waste time and energy, difficulty is very large, and quantity is very limited.Therefore, a kind of deep sea drill core rig is needed to obtain seabed core sample easily and quickly, thus provide sample, simultaneously for the stock assessment of cobalt bearing crust provides the on-the-spot firsthand information for the scientific research of deep sea mineral resources especially cobalt bearing crust and metal sulfide.
The operating environment of deep-sea especially 7000 meters of depth of waters is severe, core-drill(ing) machine need bear a hundreds of atmospheric high pressure, the underwater quality stowage requirement of submersible is very strict, and this just requires that core-drill(ing) machine can also ensure good high pressure resistant and sealing performance and the several functions such as anticorrosion while quality is light.This brings sizable difficulty to the design of rig.Simultaneously, because manned submersible or remote underwater robot are ensureing from after Oceanic basalt and safety, can provide for rig stablely creep into support force very little (being only hundreds of Newton force), the drilling pressure of the Newton force up to ten thousand that this and land core-drill(ing) machine require greatly differs from each other.Therefore special bit drilling tool must be designed, can only in the requirement providing core drilling under less power of creeping into situation to meet.In addition, sea bottom complex and changeable rock stratum hardness makes the easy bit freezing of core-drill(ing) machine, brings greatly potential safety hazard to manned submersible or remote underwater robot.Therefore, rig must be designed with corresponding counter-measure to ensure manned submersible or the safety of remote underwater robot at deep-sea.And existing deep sea drill core drill configuration is numerous and diverse, quality is overweight, withstand voltagely can not meet abyssal environment with sealing performance, does not also have effective safeguard measure, be not suitable for being equipped on manned submersible or remote underwater robot when rig bit freezing.
Summary of the invention
For overcoming the deficiencies in the prior art, provide a kind of carrying type deep sea drill core rig, this deep sea drill core rig has compact conformation, quality is light, reliable and stable, safety is good feature, can meet the requirement of deep sea drill core sampling bad working environments.Deep sea drill core rig of the present invention is mounted on manned submersible or remote underwater robot and uses, sample and the first-hand data of resources in scene needed for the stock assessment of cobalt bearing crust can be provided to provide a kind of novel and technological means efficiently for the scientific research of deep sea mineral resources cobalt bearing crust and Polymetallic sulphide.
A kind of carrying type deep sea drill core of the present invention rig, can be mounted on manned submersible or underwater robot and obtain thalassic rock sample ore originally, described carrying type deep sea drill core rig comprises drill spindle, bearing support, drilling tool, hydraulic motor and connection seat, described drill spindle is arranged on bearing support, one end of drill spindle is connected with drilling tool, the other end is connected with the output shaft of hydraulic motor, described hydraulic motor is arranged in connection seat, one end and the bearing support of described connection seat are fixed, and the other end and power supplying apparatus are fixed; Described bearing support is also provided with pressure compensator.
Particularly, described pressure compensator comprises union, flexible pipe, plug and clip, one end of described flexible pipe is communicated with bearing support by union, be tightly connected by sealing ring between union and bearing support, the other end of flexible pipe fills in plug, and flexible pipe and plug seal fixing from flexible pipe outside by described clip.
Further, described drill spindle is also provided with the deslagging pump be connected with described bearing support, described deslagging pump comprises the pump housing, pump cover and impeller, the described pump housing and pump cover are connected by screw, the described pump housing is by oil sealing and drill spindle movable sealing, described pump cover is by packing flange and packing and drill spindle movable sealing, the described pump housing and pump cover form drainage cavity, described impeller is positioned at described drainage cavity and is fixed on drill spindle by shop bolt, and the described pump housing is also provided with inlet opening.
Particularly, described drilling tool comprises the connector of hollow, drilling rod and drill bit, and one end of described connector is threaded with drill spindle, and the other end is connected with drill rod thread, and described drill bit is arranged on the front end of drilling rod, is also provided with jump ring in described drilling rod.
Further, described drill spindle is processed with a deep hole, described deep hole extends to the drainage cavity of deslagging pump from the end of drill spindle, be positioned at described drainage cavity at drill spindle one section also offers the conduction hole through with described deep hole, thus makes described deep hole be communicated with deslagging pump and connector.
Further, be provided with a pair taper roll bearing between described bearing support and drill spindle, the one side of described taper roll bearing 7 is close to the shaft shoulder of drill spindle, and another side is close to bearing support inwall.
Preferably, described power supplying apparatus is the manipulator of manned submersible or underwater robot; Described connection seat adopts bearing pin to be fixed on the manipulator of manned submersible or underwater robot, and connection seat is connected and fixed by screw and bearing support.
Preferably, the output shaft of described drill spindle and hydraulic motor is connected by key and keyway.
Preferably, described drilling rod is hollow drill pipe, and drilling rod is provided with mud hole.
Particularly, described drilling rod is core barrel near a section of drill bit, and described jump ring is arranged on core barrel inside, and the external diameter of jump ring is greater than the internal diameter of drill bit.
Due to technique scheme, the present invention has following beneficial effect:
1, for overcoming deep sea pressure, the present invention has set up pressure compensator on core-drill(ing) machine, by pressure compensator, the water cycle factors at deep-sea is inner to rig, rig external and internal pressure is tended to balance, eliminate the adverse effect that deep sea pressure causes rig, make rig housing need not make high pneumatic shell simultaneously, alleviate rig weight, save manufacturing cost.
2, core-drill(ing) machine of the present invention can be drilled through easily by the cooperation of drill bit and jump ring and be blocked disconnected rock, makes the rock shape of sampling regular.
3, seawater can be introduced in main shaft by the deslagging pump of core-drill(ing) machine of the present invention, and near the drill bit by deep hole and connector seawater being introduced drilling tool after flow out, to get rid of the foreign material such as rubble that drilling tool produces in drilling process, avoid drilling tool stuck, ensure the integrality of sampling.
4, drilling rod of the present invention with between connector for being threaded, if drill bit is stuck, mode by hydraulic motor reversion makes drilling rod and other parts of core-drill(ing) machine depart from, eliminate potential safety hazard and economic loss that manned submersible or remote underwater robot are caused, improve the safety of sea floor sampling operation.
5, the part that drills through of rig of the present invention is only made up of drilling rod and drill bit two pieces, solves the bit bounce that brings due to mismachining tolerance and causes and creep into perforate difficult problem.
6, deep sea drill core rig of the present invention is provided by manned submersible or remote underwater robot and creeps into power, saves the weight carrying hydraulic pressure or motor power and increase, alleviates rig quality.
In sum, the advantages such as carrying type deep sea drill core rig has compact conformation, quality is light, reliability is high, safety is good of the present invention, the requirements under the bad working environments of deep sea drill core sampling can be met, can facilitate, be reliably the scientific research sampling of deep sea mineral resources, be suitable for core drilling under water, be also applicable to land core drilling simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of carrying type deep sea drill core rig of the present invention;
Fig. 2 is the connection diagram that carrying type deep sea drill core rig of the present invention is mounted on manned submersible or underwater robot.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment:
See Fig. 1, carrying type deep sea drill core rig of the present invention, can be mounted on manned submersible or underwater robot and obtain thalassic rock sample ore originally, described carrying type deep sea drill core rig comprises drill spindle 6, bearing support 5, drilling tool, hydraulic motor 3 and connection seat 2, described drill spindle 6 is arranged on bearing support 5, one end of drill spindle 6 is connected with drilling tool, the other end of drill spindle 6 and the output shaft of hydraulic motor 3 are connected by key and keyway, described hydraulic motor 3 is arranged in connection seat 2, one end of connection seat 2 is connected and fixed by screw 4 and bearing support 5, the other end of connection seat 2 adopts bearing pin 1 to fix with the manipulator 20 of manned submersible or underwater robot, manned submersible or the artificial rig of underwater provide the centripetal force drilling through direction, its hydraulic system drives hydraulic motor 3 to rotate, thus save rig and carry the weight that hydraulic pressure or electric power increase.Be provided with a pair taper roll bearing 7 between described bearing support 5 and drill spindle 6, the one side of described taper roll bearing 7 is close to the shaft shoulder of drill spindle, and another side is close to bearing support inwall; Taper roll bearing is used for carrying out supports and spacing to drill spindle, and the power that manned submersible or underwater robot provide directly is passed to drill spindle by connection seat and taper roll bearing cooperation, thus protects the output main shaft of hydraulic motor 3.
Described bearing support 5 is also provided with pressure compensator, pressure compensator comprises union 21, flexible pipe 22, plug 23 and clip 24, one end of described flexible pipe 22 is communicated with bearing support 5 by union 21, be tightly connected by sealing ring between union 21 and bearing support 5, the other end of flexible pipe 22 fills in plug 23, and flexible pipe and plug seal fixing by described clip 24 from flexible pipe 22 outside.Under abyssal environment, rig is subject to powerful Underwater Pressure; the flexible pipe of pressure compensator is out of shape under hydraulic pressure, plays the effect of balance rig external and internal pressure, thus; rig housing need not adopt the compression-resistant material of superhigh intensity, not only can save cost but also can alleviate rig weight.
Described drilling tool comprises the connector 17 of hollow, the drilling rod 16 of hollow and drill bit 14, one end of described connector 17 is threaded with drill spindle 6, the other end is threaded with drilling rod 16, described drill bit 14 is arranged on the front end of drilling rod 16, described drilling rod 16 is core barrel near a section of drill bit 14, core barrel inside is provided with jump ring 15, and the external diameter of jump ring 15 is greater than the internal diameter of drill bit 14.The internal diameter that external diameter due to jump ring is greater than drill bit therefore jump ring can not be deviate from from chisel edge.Jump ring is the thin-wall circular tubular member be made up of spring steel, and sidewall opening, there is interior starting taper front end.During its free state, the small end inner diameter of Inner starting taper is less than core diameter, and the large end internal diameter of Inner starting taper is greater than core diameter, and when therefore creeping into, core is imported into jump ring by the large end of Inner starting taper.After creeping into end, rig does radial slight oscillatory can make core rupture in bit exterior.Now the core of drill bit internal is stuck in drill bit and barrel interior by jump ring, can not skid off.The part that drills through of rig of the present invention is only made up of drilling rod and drill bit two pieces, solves the bit bounce that brings due to mismachining tolerance and causes and creep into perforate difficult problem.
Described drill spindle 6 is also provided with the deslagging pump be connected with described bearing support 5, described deslagging pump comprises the pump housing 18, pump cover 10 and impeller 19, the described pump housing 18 and pump cover 10 are connected by screw, the described pump housing 18 is by oil sealing and drill spindle 6 movable sealing, described pump cover 10 is by packing flange and packing and drill spindle 6 movable sealing, the described pump housing 18 and pump cover 10 form drainage cavity, described impeller 19 is positioned at described drainage cavity and is fixed on drill spindle 6 by shop bolt 9, and the described pump housing 18 is also provided with inlet opening; Described drill spindle 6 is processed with a deep hole 13, this deep hole 13 extends to the drainage cavity of deslagging pump from the end of drill spindle, be positioned at described drainage cavity at drill spindle one section also offers the conduction hole through with described deep hole 13, thus make described deep hole 13 be communicated with deslagging pump and connector 17, described drilling rod is provided with mud hole near drill bit place.In drilling process, seawater enters drainage cavity from the inlet opening the pump housing, wheel rotation makes the seawater entering drainage cavity enter drill spindle inside, and flow to connector and drilling rod along the deep hole of drill spindle, flow out from the mud hole drilling rod again, to remove the foreign material such as the rubble that remains in drilling rod and connector inside in drilling process, core sampling is carried out smoothly, and ensures the integrality of sample.
See Fig. 2, in sampling process, drill bit 14 perpendicular alignmnet of rig is about to sampled rock stratum, seabed by the manipulator 20 of manned submersible or remote underwater robot, manned submersible or remote underwater robot and manipulator 20 is kept to keep stable, the hydraulic system of opening manned submersible or remote underwater robot makes the hydraulic motor 3 of rig rotate forward, occur for avoiding bit freezing phenomenon, manned submersible or remote underwater robot make drilling rod apply centripetal force forward equably to rock stratum with the posture perpendicular to rock stratum, to drill bit perforate, strengthen forward creep into power, now, jump ring 15 can by core top to clip spring seat top, and core successfully enters in drilling rod.It is adjustable that what manned submersible or remote underwater robot provided drill through centripetal force, drills through the demand of centripetal force with the difference adapted to needed for different hardness core.In drilling process, the output shaft of hydraulic motor 3 drives drill spindle 6 to rotate, drill spindle 6 drives the impeller 19 of deslagging pump to rotate, the deep hole that seawater is entered again along drill spindle 6 in deslagging pump from the through hole the deslagging pump pump housing 18 enters connector and drilling rod, current with the foreign material such as rubble from drill bit 14 discharge thus the object reaching deslagging to ensure carrying out smoothly of core sampling, and core is complete.When rig arrives assigned address, hydraulic motor 3 stops operating, and when brill carried by manipulator 20, rig moves when contacting with jump ring 15, forces jump ring 15 to hold core tightly, core is broken from root card, and ensures that core is positioned at drilling rod and is unlikely to deviate from.Manipulator 20 exits along the former route crept into slowly with rig, until drill bit of drilling machine 14 leaves rock stratum completely, rig regained by manipulator 20.So far, rig completes core sampling work.For the security consideration of seabed work, drilling rod of the present invention with between connector for being threaded, if drill bit is stuck, manned submersible or remote underwater robot make drilling rod and other parts of core-drill(ing) machine depart from by the reversion of hydraulic control motor, eliminate potential safety hazard and economic loss that manned submersible or remote underwater robot are caused, improve the safety of sea floor sampling operation.
Above disclosedly be only several preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a carrying type deep sea drill core rig, it is characterized in that, described carrying type deep sea drill core rig comprises drill spindle (6), bearing support (5), drilling tool, hydraulic motor (3) and connection seat (2), described drill spindle (6) is arranged on bearing support (5), one end of drill spindle (6) is connected with drilling tool, the other end is connected with the output shaft of hydraulic motor (3), described hydraulic motor (3) is arranged in connection seat (2), one end of described connection seat (2) and bearing support (5) are fixed, the other end and power supplying apparatus are fixed, (5) are also provided with pressure compensator to described bearing support.
2. carrying type deep sea drill core rig according to claim 1, it is characterized in that, described pressure compensator comprises union (21), flexible pipe (22), plug (23) and clip (24), one end of described flexible pipe (22) is communicated with bearing support (5) by union (21), be tightly connected by sealing ring between union (21) and bearing support (5), the other end of flexible pipe (22) fills in plug (23), and flexible pipe and plug seal fixing from flexible pipe (22) outside by described clip (24).
3. carrying type deep sea drill core rig according to claim 2, it is characterized in that, described drill spindle (6) is also provided with the deslagging pump be connected with described bearing support (5), described deslagging pump comprises the pump housing (18), pump cover (10) and impeller (19), the described pump housing (18) and pump cover (10) are connected by screw, the described pump housing (18) is by oil sealing and drill spindle (6) movable sealing, described pump cover (10) is by packing flange and packing and drill spindle (6) movable sealing, the described pump housing (18) and pump cover (10) form drainage cavity, described impeller (19) is positioned at described drainage cavity and is fixed on drill spindle (6) by shop bolt (9), (18) are also provided with inlet opening with the described pump housing.
4. carrying type deep sea drill core rig according to claim 3, it is characterized in that, described drilling tool comprises the connector (17) of hollow, drilling rod (16) and drill bit (14), one end of described connector (17) is threaded with drill spindle (6), the other end is threaded with drilling rod (16), described drill bit (14) is arranged on the front end of drilling rod (16), is also provided with jump ring (15) in described drilling rod (16).
5. carrying type deep sea drill core rig according to claim 4, it is characterized in that, described drill spindle (6) is processed with a deep hole (13), described deep hole (13) extends to the drainage cavity of deslagging pump from the end of drill spindle, be positioned at described drainage cavity at drill spindle one section also offers the conduction hole through with described deep hole (13), thus makes described deep hole (13) be communicated with deslagging pump and connector.
6. carrying type deep sea drill core rig according to claim 5, it is characterized in that, a pair taper roll bearing (7) is installed between described bearing support (5) and drill spindle (6), the one side of described taper roll bearing (7) is close to the shaft shoulder of drill spindle, and another side is close to bearing support inwall.
7. the carrying type deep sea drill core rig according to claim 1-6 any one, is characterized in that, described power supplying apparatus is the manipulator of manned submersible or underwater robot; Described connection seat (2) adopts bearing pin (1) to be fixed on the manipulator of manned submersible or underwater robot, and connection seat (2) is connected and fixed by screw (4) and bearing support (5).
8. carrying type deep sea drill core rig according to claim 7, is characterized in that, the output shaft of described drill spindle (6) and hydraulic motor (3) is connected by key and keyway.
9. the carrying type deep sea drill core rig according to claim 4 or 5, is characterized in that, described drilling rod (16) is hollow drill pipe, and drilling rod is provided with mud hole.
10. carrying type deep sea drill core rig according to claim 9, it is characterized in that, one section of the close drill bit (14) of described drilling rod (16) is core barrel, described jump ring (15) is arranged on core barrel inside, and the external diameter of jump ring (15) is greater than the internal diameter of drill bit (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734179.3A CN104594800B (en) | 2014-12-05 | 2014-12-05 | A kind of carrying type deep sea drill core rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734179.3A CN104594800B (en) | 2014-12-05 | 2014-12-05 | A kind of carrying type deep sea drill core rig |
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| Publication Number | Publication Date |
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| CN104594800A true CN104594800A (en) | 2015-05-06 |
| CN104594800B CN104594800B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410734179.3A Expired - Fee Related CN104594800B (en) | 2014-12-05 | 2014-12-05 | A kind of carrying type deep sea drill core rig |
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Cited By (9)
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| CN105973640A (en) * | 2016-07-26 | 2016-09-28 | 陕西理工大学 | Efficient rock and soil sampling device |
| CN106988696A (en) * | 2017-05-24 | 2017-07-28 | 长沙矿山研究院有限责任公司 | Carrying type deep sea mineral resources core drilling rig |
| CN106988671A (en) * | 2017-05-24 | 2017-07-28 | 长沙矿山研究院有限责任公司 | A kind of power rotation system for being integrated with flushing dreg removing system for core drilling rig |
| CN108386188A (en) * | 2018-04-13 | 2018-08-10 | 国家海洋局第海洋研究所 | A kind of underwater robot can portable horizontal direction geological sampling drilling tool |
| CN109356543A (en) * | 2018-12-06 | 2019-02-19 | 深圳大学 | Deep rock actively keeps the temperature coring device and its heat preservation coring method in situ |
| CN109813568A (en) * | 2019-03-11 | 2019-05-28 | 中南大学 | A kind of deep sea drill core probe boring sampling apparatus |
| CN111577186A (en) * | 2020-05-14 | 2020-08-25 | 浙江新瑞建设集团有限公司 | Drill removing device of core sampling drilling machine for manned deep submersible vehicle |
| CN111734333A (en) * | 2020-05-28 | 2020-10-02 | 国家深海基地管理中心 | Hydraulic self-compensation core sampling operation device based on deep sea cable-controlled submersible |
| CN114233176A (en) * | 2021-12-21 | 2022-03-25 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea submarine drilling rig |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105973640B (en) * | 2016-07-26 | 2018-07-13 | 陕西理工大学 | A kind of efficient ground sampling equipment |
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| CN106988671A (en) * | 2017-05-24 | 2017-07-28 | 长沙矿山研究院有限责任公司 | A kind of power rotation system for being integrated with flushing dreg removing system for core drilling rig |
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| CN108386188A (en) * | 2018-04-13 | 2018-08-10 | 国家海洋局第海洋研究所 | A kind of underwater robot can portable horizontal direction geological sampling drilling tool |
| CN109356543A (en) * | 2018-12-06 | 2019-02-19 | 深圳大学 | Deep rock actively keeps the temperature coring device and its heat preservation coring method in situ |
| CN109813568A (en) * | 2019-03-11 | 2019-05-28 | 中南大学 | A kind of deep sea drill core probe boring sampling apparatus |
| CN109813568B (en) * | 2019-03-11 | 2023-11-10 | 中南大学 | Deep sea core drilling sampling device |
| CN111577186A (en) * | 2020-05-14 | 2020-08-25 | 浙江新瑞建设集团有限公司 | Drill removing device of core sampling drilling machine for manned deep submersible vehicle |
| CN111734333A (en) * | 2020-05-28 | 2020-10-02 | 国家深海基地管理中心 | Hydraulic self-compensation core sampling operation device based on deep sea cable-controlled submersible |
| CN114233176A (en) * | 2021-12-21 | 2022-03-25 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea submarine drilling rig |
| CN114233176B (en) * | 2021-12-21 | 2024-02-23 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea seabed drilling machine |
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