CN100510688C - Deep sea hard rock fidelity corer - Google Patents
Deep sea hard rock fidelity corer Download PDFInfo
- Publication number
- CN100510688C CN100510688C CN 200610032362 CN200610032362A CN100510688C CN 100510688 C CN100510688 C CN 100510688C CN 200610032362 CN200610032362 CN 200610032362 CN 200610032362 A CN200610032362 A CN 200610032362A CN 100510688 C CN100510688 C CN 100510688C
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- core
- drill bit
- fidelity
- pipe
- rock
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Abstract
The invention discloses a deep-sea hard rock fidelity corer. The upper part of the through type drilling power head is provided with a fidelity core storage device, a core storage tube in the fidelity core storage device is directly connected with the upper end of a core inner tube in a high-pressure valve opening state, the core storage tube is provided with a heat preservation device and is communicated with an external pressure preservation device through a high-pressure pipeline, a movable drill bit sealing cushion plate is arranged below a drill bit, a core releasing thimble is arranged at the vertical position of the center of the cushion plate, a transferring power mechanism is arranged at the lower part of the sealing cushion plate, when the sealing cushion plate and the core releasing thimble are transferred to the position under the drill bit, the core is ejected into the core inner tube from a core snap spring by the thimble, the drill bit is sealed with the sealing cushion plate, pressure water communicated with a water pump flows out upwards through the core inner tube and conveys the core into the core storage tube, and the core is stored under the condition.
Description
Technical field
The present invention relates to a kind of deep sea hard rock fidelity corer that can be applied to existing various deep-seas bed rock core drilling rig.
Background technology
At present deep-sea rig or corer generally all can not be implemented in the essentially identical pressure and temperature condition of deep-sea original position under (promptly not possessing fidelity storage core function) preserved in institute's coring, after core is fetched the laboratory, variation has taken place in the biological and chemical composition of its absorption, so some biochemical tests and test data that this core is done will be coarse.200310107888.0 disclose a kind of deep-sea sampler with pre-feeding and device for pre-positioning.Mainly form by core drilling rig and pre-feeding device for pre-positioning.Core drilling rig is connected and fixed with advancing panel, and the piston of pre-PF cylinder pressure is connected with advancing panel by earrings, utilizes the pre-PF cylinder pressure of two parallel installations to replace mechanism's complicated mechanical arm.This corer is not with core fidelity memory function.200420036287.5 disclose " pipe multiple spot core drilling rig in the core is changed at a kind of deep-sea automatically " of our applications, be in the upper frame of frame, to be equipped with pipe in the core of core-drilling is taken out and change to pipe mechanism in the changing of a gob in-core pipe, the corning machine structure that creeps into of its rig is included as the propulsive mechanism that drilling tool provides drilling pressure, through hydraulic pressure creeps into actuating unit and compensation and steady linkage, the through unit head that creeps into is provided with core outer tube and the drill bit that the lower end connects drilling tool, the hollow axis of pipe in the core is changed in the upper end for plug, side putting type oil motor by the rotation of gear drive axis, the propulsion power head makes it advance guide rail along compensating the propelling oil cylinder that the frame internal chute crept into and carried brill, advances balladeur train, structures such as sliding rail frame.It has realized that multiple spot gets core, but still does not possess fidelity storage core function.
Summary of the invention
The object of the present invention is to provide a kind ofly to possess institute's coring, realize core and adsorbed the accurate more of biological and chemical composition are analyzed and test at the deep sea hard rock fidelity corer that keeps shifting under the essentially identical pressure and temperature condition of deep-sea original position with memory function; Its volume is little, in light weight, simple in structure, can use on existing various deep sea drill core sampling rigs, and the repacking workload is little, with low cost.
Technical scheme of the present invention is: comprise by oil-filled casing of sealing and the inner driving gear shaft of installing thereof, driven gear shaft, bearing, the through unit head that creeps into that seal is formed, throughly creep into the core outer tube that the unit head bottom is connected with driven gear shaft, by managing in the core, interior pipe short circuit, the core jump ring, the core assembly of getting that clip spring seat constitutes inserts through creeping in unit head and the core outer tube by the top of driven gear shaft central through hole, the drill bit that cuts core that core outer tube bottom connects, the through unit head that creeps into can move up and down along sliding rail frame by advancing slide plate to be fixed on the sliding rail frame and under the effect of propelling oil cylinder, for providing the water pump of pressure washing water and feed pipe, drill bit is communicated with the through rotation waterworks that creep on the unit head, it is characterized in that being provided with a fidelity storage core apparatus on the through unit head top of creeping into, the centre of described fidelity storage core apparatus is a core storage tube of preserving core, the top of core storage tube and bottom respectively are provided with a high pressure valve, its middle and lower part and the through internal diameter of the high pressure valve that unit head is connected that creeps into are more than or equal to the core inner tube diameter, the pipe upper end leads directly to by the bottom high pressure valve and is connected in core storage tube and the core under the high pressure valve opening, the core storage tube outer pipe wall is provided with attemperator, its inside is communicated with external pressurizer by pressure piping, below drill bit, be provided with packaged type drill bit sealed bolster plate, the rock core releasing spike that an external diameter is slightly less than the core inner tube diameter is equipped with at sealed bolster plate central vertical place, the handover actuating unit the prior art that is transferred to sealed bolster plate under the drill bit or removes is equipped with in the sealed bolster plate bottom under drill bit, transferring actuating unit can directly be connected with the sealed bolster plate bottom, also can load onto a rolling bearing, be connected with transfer mechanism in the prior art by rolling bearing in the sealed bolster plate bottom.When sealed bolster plate and rock core releasing spike are transferred under the drill bit, make through creep into unit head and go up fixedly connected core outer tube and interior pipe, drill bit etc. move down along sliding rail frame, rock core releasing spike heads into core in the core in the pipe from the core jump ring, drill bit and sealed bolster plate top tight sealing, open two high pressure valves on the fidelity storage core apparatus, the pressure washing water that is communicated with water pump upwards flows out by pipe in the core, by flow action with the core in the pipe in the core send into core in the straight-through core storage tube of pipe.
The water pump of the press water of described conveying core is the drill bit flush water pump that is communicated with the through rotation waterworks that creep on the unit head.
The water pump of the press water of described conveying core also can be another water pump, and has perforate on rock core releasing spike, and perforate is communicated with the water pump of the press water of carrying core.
Described pressurizer can be gasbag-type commonly used or spring pressurizer; The pressurizer that also can add piston for spring, the function of pressurizer be at this corer from the process that reclaim in the seabed, the pressure variation inner possible to fidelity storage core apparatus compensates, and be basic identical with the pressure of pressure in the maintenance core storage tube and seabed original position.The interior pressure variation of core storage tube can cause because of the poorly sealed reasons such as miniature deformation that produce tube wall under trace leakage or the external pressure variation.
The pressurizer that described spring adds piston is in the high pressure cylinder barrel piston to be housed, piston one end is provided with an end that is filled with high-pressure inert gas, its cylinder barrel in spring and the cylinder barrel and is provided with the gas filling valve that charges and discharge inert gas, and the high pressure cylinder barrel other end is provided with the high-voltage tube that is communicated with core storage tube.The pressure of institute's filling with inert gas should be less than or equal to the water pressure of seabed original position in the cylinder barrel, preferably is slightly less than the water pressure of seabed original position, and spring and inert gas should equal the acting force of piston another side water pressure to piston to the total acting force of piston.
Described attemperator is to be provided with Constant temp. regulating device by prior art at core storage tube outer wrap insulation material or in its outer wrap insulation material, inside.To guarantee that the core storage tube temperature inside was identical or approximate with the temperature of seabed original position in a short time after the core recovery was gone on board.
Motor connecting gear that described handover actuating unit is a prior art or fluid-pressure transmission mechanism.
The sampling method of hard rock fidelity corer may further comprise the steps:
(1) closes two high pressure valves that fidelity stores up core apparatus, transferring actuating unit removes sealed bolster plate and rock core releasing spike under drill bit, start through rotary power unit and propelling oil cylinder, the drive drill bit that creeps on the unit head and rotate and move down, stretch into the rock stratum, seabed and cut core, be opened for the water pump flushing drill bit that drill bit provides pressure washing water simultaneously along sliding rail frame;
(2) creep into and get after the core process finishes, through unit head and the drilling tool of creeping into is along being moved back into original position on the sliding rail frame.Fidelity is stored up upper and lower 2 high pressure valves of core apparatus to be opened, drill bit sealed bolster plate and rock core releasing spike are moved under the drill bit, creep into unit head this moment and descend, rock core releasing spike heads into core in the core in the pipe from the core jump ring, make it to be the state of can move freely; Bit face holds out against the drill bit sealed bolster plate simultaneously;
(3) water pump continues to send water, because the drill bit labial surface contact with sealed bolster plate and holds out against and seal, forces wash-down water upwards to flow out the pipe in core, utilize current with core send into core in manage and lead directly in the core storage tube that is connected.
The advantage of patent of the present invention is: the temperature that can realize being kept at the core in the core storage tube and pressure corer from the removal process of seabed and recovery basic identical with the temperature and the pressure of deep-sea original position in a short time after going on board, make the data of the analytical test of core more accurately, make scientific research more accurate; Obtained naked core sample is convenient on survey vessel or the laboratory is carried out sample transfer, takes or directly analyzed, tests, and reduces on the survey vessel or the design difficulty and the cost of sample transfer and extraction device in the laboratory; Its volume is little, in light weight, simple in structure, is convenient to use on various deep-sea floor core sampler drills, and the repacking workload is very little, and cost is low.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is an A part-structure synoptic diagram among Fig. 1;
Fig. 3 is embodiment 2 structural representations;
Fig. 4 is an A part-structure synoptic diagram among Fig. 2.
Embodiment
Embodiment 1: in conjunction with the accompanying drawings 1 and 2:
What present embodiment was identical with prior art has: by oil-filled casing 5 of sealing and inner driving gear shaft 6 and driven gear shaft 11 and the bearing of installing 7 thereof, the through unit head that creeps into that seal 10 parts such as grade are formed is by propulsion system 4 driven in rotation, driven gear shaft 11 has central through hole, being located at the through core outer tube 14 that creeps into the unit head bottom is connected with driven gear shaft 11, and by the driven gear shaft driven rotary, drill bit 20 is by being threadedly connected to core outer tube bottom, and by core outer tube 14 driven rotary, by managing 16 in the core, interior pipe short circuit 17, core jump ring 19, the core assembly of getting that clip spring seat 18 constitutes inserts through creeping in unit head and the core outer tube by the top of driven gear shaft 11 central through holes, and and the driven gear shaft central through hole between by O-ring seal 10 sealing, the through unit head that creeps into can move up and down along sliding rail frame by advancing slide plate 30 to be fixed on the sliding rail frame 31 and under 29 effects of propelling oil cylinder, is communicated with the through rotation waterworks 13 that creep on the unit head for drill bit provides the water pump 24 of pressure washing water and feed pipe 12.The inventive point of present embodiment is to be provided with a fidelity storage core apparatus on the through unit head top of creeping into, the centre of described fidelity storage core apparatus is a core storage tube 2 of preserving core, the top of core storage tube and bottom respectively are provided with a high pressure valve 1 and 3, its middle and lower part and the through internal diameter of the high pressure valve 3 that unit head is connected that creeps into are more than or equal to the core inner tube diameter, under the high pressure valve opening, fidelity storage core apparatus and the interior pipe of core straight-through connection of upper end, the core storage tube outer pipe wall is provided with attemperator 9, its inside is communicated with external pressurizer by pressure piping, the pressurizer of present embodiment is in high pressure cylinder barrel 23 piston to be housed, piston one end is provided with spring 26, be filled with high-pressure inert gas in the cylinder barrel, its cylinder barrel upper end is provided with the gas filling valve 27 that charges and discharge inert gas, and the high pressure cylinder barrel other end is provided with the high-voltage tube 8 that is communicated with core storage tube.The pressure of institute's filling with inert gas should preferably be slightly less than the water pressure of seabed original position smaller or equal to the water pressure of seabed original position in the cylinder barrel, and spring and inert gas should equal the acting force of piston another side water pressure to piston to the total acting force of piston.
But below drill bit, be provided with withdraw-type drill bit sealed bolster plate 21, the rock core releasing spike 22 that an external diameter is slightly less than the core inner tube diameter is equipped with at sealed bolster plate central vertical place, the sealed bolster plate bottom is connected with the transfer mechanism 15 of prior art, present embodiment is the fluid-pressure transmission machinery that adopts prior art, after core-drilling, drill bit sealed bolster plate 21 and rock core releasing spike 22 move under the drill bit 20, make through unit head and last fixedly connected core outer tube and the interior pipe thereof of creeping into, drill bits etc. move down along sliding rail frame 31, rock core releasing spike 22 heads into core in the core and manages in 16 from core jump ring 19, make it to be the state of can move freely; Drill bit 20 labial surfaces contact with sealed bolster plate 21 and hold out against and seal simultaneously.Open two high pressure valves 1 and 3 of core storage tube top and bottom this moment, continue to send water by water pump 24 then to flushing waterworks 13, press water is through after the annular gap between the pipe 16 arrives drill bit 20 in core outer tube 14 and the core, because drill bit 20 labial surfaces contact with sealed bolster plate 21 and hold out against and seal, force wash-down water can only in core, manage 16 upwards and flow out, current with core send into core in the straight-through core storage tube of pipe.Because high pressure valve 1 can not allow that when opening core passes through on the core storage tube, so core is finally stayed in the core storage tube.Close high pressure valve 3 and 1 down in the condition ShiShimonoseki of continuing water flowing, then can make core realize that fidelity stores.
Embodiment 2:
In conjunction with the accompanying drawings 3 and 4:
Different with embodiment 1 have be: present embodiment is provided with two water pumps, and wherein a 24-1 is water pump and the feed pipe that pressure washing water is provided for drill bit.Be equipped with a conveying water pump 24-2 in addition, carry water pump to be communicated with perforate 28 on the rock core releasing spike 22 by water pipe, after fidelity being stored up core apparatus up and down two high pressure valves 1 and 3 is opened, water pump 24-2 manages 16 inside by the perforate on the rock core releasing spike 22 and directly send water in core, current with core send into core in the straight-through core storage tube of pipe, realize that core is carried out fidelity to be stored.
Claims (5)
1. a deep sea hard rock fidelity corer comprises the through unit head of being made up of oil-filled casing of sealing and inner driving gear shaft, driven gear shaft, bearing, the seal of installing thereof that creeps into; Throughly creep into the core outer tube that the unit head bottom is connected with driven gear shaft; The drill bit that cuts core that core outer tube bottom connects; And get core assembly by what pipe, interior pipe short circuit, core jump ring, clip spring seat in the core constituted; Wherein get core assembly and insert through creeping in unit head and the core outer tube by the top of driven gear shaft central through hole; The through unit head that creeps into moves up and down by advancing slide plate to be fixed on the sliding rail frame and at propelling oil cylinder effect lower edge sliding rail frame, for providing the water pump of pressure washing water and feed pipe, drill bit is communicated with the through rotation waterworks that creep on the unit head, it is characterized in that being provided with a fidelity storage core apparatus on the through unit head top of creeping into, the centre of described fidelity storage core apparatus is a core storage tube of preserving core, the top of core storage tube and bottom respectively are provided with a high pressure valve, the internal diameter of its middle and lower part and the through high pressure valve that creeps into the bottom that unit head is connected is more than or equal to the core inner tube diameter, the high pressure valve of pipe upper end by the core storage tube bottom leads directly to and is connected in core storage tube and the core under these two high pressure valve openings, the core storage tube outer pipe wall is provided with attemperator, core storage tube inside is communicated with external pressurizer by pressure piping, below drill bit, be provided with packaged type drill bit sealed bolster plate, the rock core releasing spike that an external diameter is slightly less than the core inner tube diameter is equipped with at sealed bolster plate central vertical place, the handover actuating unit that sealed bolster plate is transferred under the drill bit or removes under the drill bit is equipped with in the sealed bolster plate bottom, when sealed bolster plate and rock core releasing spike are transferred under the drill bit, rock core releasing spike heads into core in the core in the pipe from the core jump ring, drill bit and sealed bolster plate top tight sealing, the pressure washing water that is communicated with the pressure water pump of carrying core upwards flows out by pipe in the core, with the core in the pipe in the core send into core in the core storage tube that leads directly to of pipe.
2. hard rock fidelity corer according to claim 1, the pressure water pump that it is characterized in that described conveying core be communicated with the through rotation waterworks that creep on the unit head provide the water pump of pressure washing water for drill bit.
3. hard rock fidelity corer according to claim 1 is characterized in that having on the rock core releasing spike perforate, and the pressure water pump of described conveying core is a water pump that is communicated with perforate on the rock core releasing spike.
4. hard rock fidelity corer according to claim 1, it is characterized in that described pressurizer be in the high pressure cylinder barrel, be equipped with piston, piston one end be provided with fill high-pressure inert gas in spring, this end cylinder barrel, this end cylinder barrel end is provided with and can carries out the gas filling valve that inert gas charges and discharge, the high pressure cylinder barrel other end is provided with the high-voltage tube that is communicated with core storage tube.
5. one kind is used the fidelity of hard rock fidelity corer as claimed in claim 1 to get the core method, it is characterized in that may further comprise the steps:
(1) closes two high pressure valves that fidelity stores up core apparatus, transferring actuating unit removes sealed bolster plate and rock core releasing spike under drill bit, start through rotary power unit and propelling oil cylinder, the drive drill bit that creeps on the unit head and rotate and move down, stretch into the rock stratum, seabed and cut core, be opened for the water pump flushing drill bit that drill bit provides pressure washing water simultaneously along sliding rail frame;
(2) creep into and get after the core process finishes, through unit head and the drill bit of creeping into is along being moved back into original position on the sliding rail frame, fidelity being stored up 2 high pressure valves of core apparatus top and bottom opens, drill bit sealed bolster plate and rock core releasing spike are moved under the drill bit, this moment, the through unit head that creeps into descended, rock core releasing spike heads into core in the core in the pipe from the core jump ring, make core be the state of can move freely; Bit face holds out against the drill bit sealed bolster plate simultaneously;
(3) continue to send water for drill bit provides the water pump of pressure washing water,, force wash-down water in core, upwards to flow out the pipe because bit face contact with sealed bolster plate and holds out against and seal, utilize current with core send into core in manage and lead directly in the core storage tube that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032362 CN100510688C (en) | 2006-09-30 | 2006-09-30 | Deep sea hard rock fidelity corer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032362 CN100510688C (en) | 2006-09-30 | 2006-09-30 | Deep sea hard rock fidelity corer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948940A CN1948940A (en) | 2007-04-18 |
| CN100510688C true CN100510688C (en) | 2009-07-08 |
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ID=38018519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610032362 Expired - Fee Related CN100510688C (en) | 2006-09-30 | 2006-09-30 | Deep sea hard rock fidelity corer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100510688C (en) |
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| CN101435750B (en) * | 2007-11-15 | 2011-03-30 | 中国石化集团胜利石油管理局钻井工艺研究院 | Non-interfering type deep sea hydrate probe boring sampling apparatus |
| CN102418520B (en) * | 2011-12-31 | 2014-04-02 | 中国地质大学（北京） | Water-locking type unconsolidated formation sampling drilling tool |
| CN102913162B (en) * | 2012-10-26 | 2015-06-24 | 宝鸡石油机械有限责任公司 | Deep-sea sediment continuous pressure maintaining coring submarine drilling machine and operation method |
| CN104776223B (en) * | 2015-03-24 | 2017-03-08 | 上海金泰工程机械有限公司 | A kind of device with pulsing packing sealing |
| CN106441980B (en) * | 2015-08-07 | 2018-11-23 | 中国石油化工股份有限公司 | Rock sample coring device |
| CN105239947A (en) * | 2015-10-30 | 2016-01-13 | 湖南科技大学 | Seafloor sediment coring device applicable to seafloor drilling machine |
| CN106124242B (en) * | 2016-06-01 | 2019-03-29 | 四川大学 | Fidelity coring system and coring method in situ |
| CN106323680A (en) * | 2016-08-19 | 2017-01-11 | 张福谦 | Easy-sampling geological sample sampling mechanism |
| CN106932223A (en) * | 2017-05-11 | 2017-07-07 | 四川大学 | Pressurize cylinder sealer and pressurize coring water-tight equipment |
| CN107290175B (en) * | 2017-08-10 | 2019-06-07 | 西南石油大学 | A kind of Portable field rock sampler and method |
| CN107957351A (en) * | 2017-12-22 | 2018-04-24 | 中国科学院海洋研究所 | A kind of multiple-way valve body mechanism of the Deep-sea Fluid fidelity sampling device based on ROV |
| CN108266147B (en) * | 2018-01-16 | 2020-11-13 | 四川大学 | Pressure maintaining rock core transfer device and method |
| CN108020442B (en) * | 2018-01-31 | 2024-02-27 | 湖南科技大学 | Hydraulic drive mechanical hand-held seabed sediment fidelity sampler and sampling method |
| CN108020438A (en) * | 2018-01-31 | 2018-05-11 | 上海交大海洋水下工程科学研究院有限公司 | The airtight sampler of mechanical hand-held type bottom sediment and its sampling and pressurize method |
| CN109113611B (en) * | 2018-08-13 | 2023-08-22 | 四川大学 | Rock core fidelity cabin with constant temperature function |
| CN109113610A (en) * | 2018-08-13 | 2019-01-01 | 四川大学 | Core fidelity cabin |
| WO2020113720A1 (en) * | 2018-12-07 | 2020-06-11 | 深圳大学 | Fidelity coring device |
| CN109973035B (en) * | 2018-12-26 | 2024-04-12 | 深圳大学 | Rock sample fidelity core taking system |
| CN109813568B (en) * | 2019-03-11 | 2023-11-10 | 中南大学 | Deep sea core drilling sampling device |
| CN113324791B (en) * | 2021-05-28 | 2024-04-19 | 赵志新 | Automatic seabed sampler device and use method thereof |
| CN113358400B (en) * | 2021-06-03 | 2022-07-12 | 中国船舶科学研究中心 | Ultrahigh-pressure high-temperature rock core sample storage and transfer device |
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| CN2716492Y (en) * | 2004-06-25 | 2005-08-10 | 长沙矿山研究院 | Core inner tube replacing and taking device of deep-sea shallow-hole core-taking drilling machine |
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| EP0239065A1 (en) * | 1986-03-26 | 1987-09-30 | Communaute Europeenne De L'energie Atomique (Euratom) | Device for sampling marine sediments |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1948940A (en) | 2007-04-18 |
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Granted publication date: 20090708 Termination date: 20110930 |