CN107478459B - One kind can throw load-type deep-sea gravity column shaped deposit sampler - Google Patents
One kind can throw load-type deep-sea gravity column shaped deposit sampler Download PDFInfo
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- CN107478459B CN107478459B CN201710870347.5A CN201710870347A CN107478459B CN 107478459 B CN107478459 B CN 107478459B CN 201710870347 A CN201710870347 A CN 201710870347A CN 107478459 B CN107478459 B CN 107478459B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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Abstract
One kind can throw load-type deep-sea gravity column shaped deposit sampler, including probe tube, and installation mentions the fixed device of head at the top of probe tube, propose the fixed device lower convex platform outer rim of head and be equipped with release shaft, be equipped with release in release shaft；It mentions being equipped on the outside of the fixed device of head and mentions head, mention the drop handle that head includes Horizontal load-bearing plate He is welded on Horizontal load-bearing plate, Horizontal load-bearing edges of boards edge is equipped with an opening and shallow arc groove, and the column of release can enter in the opening；The middle and upper part of probe tube is fixed with bearing base, and bearing base two sides are equipped with load fixing axle shaft and its load fixing axle；Lead load passes through load fixing axle and overlays on bearing base, and load fixing axle upper end is protruded into the fixation hole for mentioning head.Structure of the invention is reasonable, easy to operate, and the requirement to boat-carrying geological winch is relatively low, expands gravity column shaped deposit sampler in the scope of application at deep-sea, is the important supplement of sediment investigation and sampling equipment.
Description
Technical field
The present invention relates to sediment deposit sampling equipments, and in particular to it is heavy that one kind can throw load-type deep-sea gravity column
Product object sampler, the acquisition for deep seafloor substrate column shaped deposit sample.
Background technique
Carry out deep-sea Oceanic Sedimentary Environments, seabed sediment acoustics, marine engineering geology, submarine geological hazard identification with
Evaluation etc. research when, only obtain a certain number of bottom sediment original state samples, just can be carried out direct grain size of sediment,
The analysis of structure, composition etc. and the measurement in age, to obtain corresponding geological information.Therefore, column shaped deposit undisturbed
Acquisition be the related fieldss research such as Marine Geology important prerequisite and basis.
The method for obtaining Submarine core sediment has very much, for example currently used mainly has gravity coring apparatus and vibration
Piston sampler.The Chinese patent of notification number CN2360587Y discloses a kind of " long core gravity pison sampler " technology,
By the impulse force generated in equipment self-weight and dropping process, make to be sampled in probe tube drilling underwater sediment(s)；Notification number
The Chinese patent of CN100334436C discloses a kind of " single tube sediment sampler of non-boundary disturbance " technology, is primarily adapted for use in
The deposit of shallow water area samples；The Chinese patent of notification number CN101592562A discloses a kind of " Seafloor sediment sampling
Device " completes the sampling of bottom sediment, the acquisition suitable for hardground deposit in such a way that gravity is combined with vibration.
Gravity coring apparatus be a kind of structure be simple and convenient to operate, the sampler that sampling quality is high, be widely used in
In the sampling of bottom sediment.The counterweight of sample quality and sampler that gravity coring apparatus obtains is closely related, and one is well matched
Again bigger, the sample length of acquisition is bigger, quality is better.As far-reaching sea, traditional gravity are gradually moved towards in present ocean scientific research
Coring apparatus comes up against a series of problems in the use that deep-sea, the especially depth of water are greater than 4000 meters of sea areas.Carry out seabed cylindrical
When deposit samples, the quality for being wirerope weight, sampler and counterweight of winch receiving, sampler are transferred to from bottom sediment
When be subject to frictional force, the sum of taken sediment quality.Deep-sea column is being carried out using Conventional gravity column shaped deposit sampler
When deposit samples, since depth is big, discharges wirerope length and increase accordingly, the wirerope weight that geological winch is born on ship significantly increases
Greatly, so in the case where winch load-bearing capacity is certain, the deposit of high quality cannot be obtained by increasing counterweight simply
Sample.When carrying out the sampling of deep-sea column shaped deposit using the poor boat-carrying geological winch of load-bearing capacity, due to Conventional gravity column
The lead load that can be attached on shape sampler is smaller, so that sampling effect is poor, or even cannot get sediment sample, this limitation
Application of the Conventional gravity coring apparatus in the geological sampling of deep-sea.And if can be before sampler recycling (from seabed
Before transfering to sampler in deposit) jettisoning lead load, then it can substantially reduce geological winch when sampler is transferred to from seabed and hold
The pulling force received, influence of the sampler lead load to winch load-bearing that make that we must not contemplate allow us in a certain range
Increase lead load, improves sampling quality.
Therefore, it is determined according to the ability to bear of research vessel winch, sampling requirement, required counterweight etc. from bottom sediment
Contained lead load whether is abandoned before transfering to sampler, to reduce pulling force suffered by boat-carrying winch wirerope, increases gravity column
Deposit sampler meets halmeic deposit sampling demand in the scope of application and sampling effect at deep-sea, propose it is a kind of it is novel can
Load-type gravity column shaped deposit sampler is thrown, is a technical problem to be solved urgently.
Summary of the invention
The object of the present invention is to provide one kind can throw load-type deep-sea gravity column shaped deposit sampler, does not have at present to fill up
There is the blank of this type gravity column shaped deposit sampler, increases gravity column shaped deposit sampler in the scope of application at deep-sea
With sampling effect.
One kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that the device includes probe tube, should
Probe tube lower end connects the edge of a knife, and the protective device that anti-sample is lost, the built-in sample cell of probe tube are equipped between probe tube and the edge of a knife；
Dismountable tubular is installed at the top of probe tube and mentions the fixed device of head, mentions and is equipped with aperture at the top of the fixed device of head, there is sample protection cap
Head fixation device is mentioned with this by the way that the protection cap shaft for proposing at the top of the fixed device of head is arranged in connect；It is described to mention on the fixed device of head
Lower both ends are respectively equipped with radial convex platform and radial lower convex platform, and wherein the outer rim of lower convex platform is equipped with a release shaft,
Release is installed in the release shaft；The release includes superposed cylinder, the column positioned at middle part and position
Axle sleeve, foundation and weighted spherical ball in bottom, wherein being connected to the middle part of the cylinder at the top of the column, and the two forms T
Shape structure, the axle sleeve are vertically connected at the bottom of column, and the foundation is connected to the lateral surface of axle sleeve, and foundation and the circle
Column, column and axle sleeve are respectively perpendicular, and the other end of the foundation is equipped with weighted spherical ball, and as column and foundation bound fraction
Axle sleeve is fixed in the release shaft；It mentions being equipped on the outside of the fixed device of head and mentions head, the head that mentions includes Horizontal load-bearing
Plate and the drop handle being welded on Horizontal load-bearing plate, the Horizontal load-bearing plate is covered by the square opening at middle part is mentioning the fixed device of head
Middle part, and the activity between the boss for proposing the fixed device upper and lower ends of head；It is solid there are two symmetrically being opened on the Horizontal load-bearing plate
Determine hole, furthermore the edge of the Horizontal load-bearing plate be equipped with one opening, and the upper surface of Horizontal load-bearing plate be equipped with together with it is described
The shallow arc groove of opening intersecting vertical is equipped with slot in the two sides of shallow arc groove, and the column of the release can enter institute
It states in opening, and the cylinder can be fallen on the shallow arc groove；The middle and upper part of probe tube is fixed with bearing base, load-bearing
Seat two sides are symmetrically installed there are two load fixing axle shaft, install load fixing axle respectively in load fixing axle shaft；Lead lotus
Load overlays on bearing base across load fixing axle, and load fixing axle upper end is protruded into the fixation hole for mentioning head.
Described one kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that mention in the fixed device of head
Portion two sides are symmetrically installed there are two dismountable load-bearing pin；The height of the load-bearing pin is lower than the height on load fixing axle top
Degree.The disassembly and installation that the load-bearing pin can be convenient according to the ability to bear of research vessel winch, sampling requirement, required is matched
It is again equal to determine lead load whether is abandoned before transfering to sampler in bottom sediment, and then pass through dismounting or installation load-bearing pin
It realizes and whether throws load, wherein after installation load-bearing pin, load fixing axle can not deviate from from fixation hole, may be implemented not throw
Load, this is almost the same with traditional gravity column shaped deposit sampler, and not installing bearing pin nail then may be implemented geological winch
The throwing load function of sampler when take-up.
Described one kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that in shallow arc groove two
One is additionally provided on the slot of side for fixing the fixed card buckle of the cylinder.The fixed card buckle can guarantee to enter in sampler
Before water, the cylinder of release upper end is not deviate from from the shallow arc groove for mentioning head.
The release can be rotated freely along release shaft, in sampler decentralization process, the cylinder of release upper end
It is stuck in the shallow arc groove for mentioning head, after sampler bottoms out, is acted on by inertia force, mention head and continue to move downward, on release
The cylinder at end is deviate from from the shallow arc groove for mentioning head, and releases in the gravity lower edge of release structure other end weighted spherical ball
Device shaft is put to be rotated by 90 °.
Described one kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that the load fixing axle
180 ° can be rotated around load fixing axle shaft.Convenient for abandoning for lead load.When sampler bottoms out, geological winch take-up on ship
When, it mentions head and moves up, and be stuck in below the convex platform for mentioning the fixed device of head, load fixing axle is from two fixation holes for mentioning head
Abjection, and complete rotation under the gravity of lead load and throw load.
Described one kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that the sample protection cap
It is fixed on by protection cap shaft on the upper surface for mentioning the convex platform of the fixed device of head, when sampler is transferred, in the effect of water flow
Under, sample protection cap keeps open state, and maximum open angle is 70 °；In sampler recycling, due to gravity, sample
Protection cap is fallen, and is protected to the sample of acquisition.
The fixed device of head that mentions is detachable, to facilitate the maintenance and repair of equipment.
The head that mentions can only be moved up and down along the fixed device of head is mentioned, and cannot be rotated in the horizontal direction.
Obviously, structure of the invention is reasonable, easy to operate, meets the sampling demand of deep-sea column shaped deposit, compared to tradition
Gravity column shaped deposit sampler, requirement of the equipment to boat-carrying geological winch is relatively low, can be with lesser at original
Requirement of the gravity column shaped deposit sampler to geological winch performance on ship is reduced, expands gravity column shaped deposit sampler in depth
The scope of application in sea, the oceanographic research ship for especially making facility more outmoded realize deep-sea gravity column shaped deposit sampling work tool
Significant and sediment investigation and sampling equipment important supplement.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention.
Fig. 2 is the structural schematic diagram for mentioning the fixed device 4 of head of the invention.
Fig. 3 is the structural schematic diagram of release 6 of the invention.
Fig. 4 is the structural schematic diagram for mentioning first 5 of the invention.
Fig. 5 is the partial enlarged view of Fig. 4.
Fig. 6 is the structural schematic diagram of bearing base 9 and load fixing axle 10 of the invention.
Fig. 7 is the top view of lead load 11 of the invention.
Fig. 8 is the side view of top half of the present invention.
Fig. 9 is front view of the invention.
Wherein, 1, probe tube, 2, the edge of a knife, 3, sample cell, 4, mention the fixed device of head, 5, mention head, 6, release, 7, sample protects
Protecting cover, 8, load-bearing pin, 9, bearing base, 10, load fixing axle, 11, lead load, 12, fixed card buckle, 41, protection cap shaft,
42, release shaft, 43, convex platform, 44, lower convex platform, 51, drop handle, 52, Horizontal load-bearing plate, 53, square opening, 54, fixation
Hole, 55, opening, 56, shallow arc groove, 57, slot, 61, cylinder, 62, column, 63, axle sleeve, 64, foundation, 65, weighted spherical ball,
91, load fixing axle shaft.
Specific embodiment
One kind can throw load-type deep-sea gravity column shaped deposit sampler,
As shown in Fig. 1,2,8,9, it is characterised in that the device includes probe tube 1, which connects the edge of a knife 2, is taken
It is equipped with the protective device that anti-sample is lost between sample pipe 1 and the edge of a knife 2, sample cell 3 is housed inside probe tube 1；It is filled at the top of probe tube 1
The fixed device 4 of head is mentioned, mentions and sample protection cap 7, the sample protection is connected by protection cap shaft 41 at the top of the fixed device 4 of head
The open angle of maximum of lid 7 is 70 °；
Such as Fig. 2, fixed 4 upper and lower ends of device of head that mention are respectively equipped with radial convex platform 43 and radial lower convex platform
44, wherein the outer rim of lower convex platform 44 is equipped with a release shaft 42；
Such as Fig. 3, the release 6 includes superposed cylinder 61, positioned at the column 62 at middle part and positioned at the axis of bottom
Set 63, foundation 64 and weighted spherical ball 65, wherein being connected to the middle part of the cylinder 61 at the top of the column 62, and the two forms T
Shape structure, the axle sleeve 63 are vertically connected at the bottom of column 62, and the foundation 64 is connected to the lateral surface of axle sleeve 63, and foundation
64 are respectively perpendicular with the cylinder 61, column 62 and axle sleeve 63, and the other end of the foundation 64 is equipped with weighted spherical ball 65, and conduct
The axle sleeve 63 of column 62 and 64 bound fraction of foundation is fixed in the release shaft 42；
Such as Fig. 1,8,9, mentions being equipped on the outside of the fixed device 4 of head and mention first 5；
It is described to mention first 5 drop handles 51 for including Horizontal load-bearing plate 52 and being welded on Horizontal load-bearing plate 52, institute such as Fig. 2,4,5
Horizontal load-bearing plate 52 is stated by 53 sets of square opening of middle part at the middle part for mentioning the fixed device 4 of head, and on mentioning the fixed device 4 of head
It is movable between the boss at lower both ends；It is symmetrically opened on the Horizontal load-bearing plate 52 there are two fixation hole 54, furthermore the Horizontal load-bearing plate
52 edge is equipped with an opening 55, and is equipped with one and 55 intersecting verticals of the opening in the upper surface of Horizontal load-bearing plate 52
Shallow arc groove 56 is equipped with slot 57 in the two sides of shallow arc groove 56, and the column 62 of the release 6 can enter the opening
In 55, and the cylinder 61 can be fallen on the shallow arc groove 56；
Such as Fig. 1,6,8,9,1 middle and upper part of probe tube is fixed with bearing base 9, and 9 two sides of bearing base are symmetrically installed that there are two loads
Fixing axle 10, and 10 bottom of load fixing axle is connected on the bearing base 9 by load fixing axle shaft 91；
Such as Fig. 1,7,8,9, lead load 11 passes through load fixing axle 10 and overlays on bearing base 9, in load fixing axle 10
End is protruded into the fixation hole 54 for mentioning first 5；
Such as Fig. 1,8,9, the sample protection cap 7 is fixed on by protection cap shaft 41 mentions fixed 4 convex platform 43 of device of head
Upper surface on, when sampler decentralization, sample protection cap 7 keeps open state, and maximum open angle is 70 °；In sampler
When recycling, sample protection cap 7 is fallen, and is protected to the sample of acquisition；
Such as Fig. 2,4, described mention symmetrically is opened on first 5 Horizontal load-bearing plate 52 there are two fixation hole 54, solid for fixed load
Dead axle 10, and mention first 5 and can only be moved between the upper lower convex platform for mentioning the fixed device 4 of head, and cannot be rotated in level；
Such as Fig. 3, the release 6 can be rotated freely along release shaft 42, in sampler decentralization process, release 6
The cylinder 61 of upper end is stuck in the shallow arc groove 56 for mentioning first 5, after sampler bottoms out, is acted on by inertia force, mention first 5 continue to
The cylinder 61 of lower movement, 6 upper end of release is deviate from from the shallow arc groove 56 for mentioning first 5, and in 6 structure other end of release
It is rotated by 90 ° under the gravity of weighted spherical ball 65 along release shaft 42；
Such as Fig. 1,8,9, the disassembly and installation of the load-bearing pin 8 may be implemented to throw load and not throw turning for load function
It changes, wherein installation load-bearing pin 8 may be implemented not throw load, and not installing bearing pin nail 8 then may be implemented the throwing load of sampler
Function, to realize dual-purpose effect；
Such as Fig. 6, the load fixing axle 10 can rotate 180 ° around load fixing axle shaft 91.When sampler bottoms out, on ship
When geological winch take-up, mention first 5 and move up, and be stuck in 43 lower section of convex platform for mentioning the fixed device 4 of head, load fixing axle 10 from
It mentions and deviating from first 5 two fixation holes 54, and complete to rotate and throw load；
Such as Fig. 1,9, the fixed card buckle 12 can guarantee before sampler enters water, the cylinder 61 of 6 upper end of release not from
Deviate from shallow arc groove 56.
When load mode is thrown in selection, the course of work of this sampler is as follows:
1., the status of equipment of censored sample device, whether each component of censored sample device be connected firmly；
2., remove the edge of a knife 2, be packed into sample cell 3, and successively install protective device and the edge of a knife 2 that anti-sample is lost；
3., first 5 will be mentioned and mentioned to the lower section for mentioning fixed 4 convex platform 43 of device of head load fixing axle is passed through according to sampling requirement
10 overlay an appropriate number of lead load 11 on bearing base 9；
4., move down and mention first 5, the upper end of load fixing axle 10 is protruded into the fixation hole 54 on Horizontal load-bearing plate 52,
The cylinder 61 of 6 upper end of release is stuck in the shallow arc groove 56 for mentioning first 5, and fixed card buckle 12 is installed；
5., do not install bearing pin nail 8, the drop handle 51 that sampler mentions first 5 is connect with the wirerope of geological winch on ship, utilization
Sampler is hung quarter deck by geological winch, the fixed card buckle 12 in the case where sampler enters extra large front dump, release when bottoming out convenient for sampler
The cylinder 61 of 6 upper end of device is deviate from from the shallow arc groove 56 for mentioning first 5；
6., using geological winch sampler is at the uniform velocity transferred, after sampler bottoms out, acted on by inertia force, mention first 5 and continue
It moves downward, the cylinder 61 of 6 upper end of release is deviate from from the shallow arc groove 56 for mentioning first 5, and matches in 6 other end of release
It is rotated by 90 ° under the gravity of heavy ball 65 along release shaft 42.
7., when geological winch take-up on ship, mention first 5 and move up, and be stuck in and mention under fixed 4 convex platform 43 of device of head
Side, load fixing axle 10 is deviate from from two fixation holes 54 for mentioning first 5, under the action of lead 11 self gravity of load, is driven
Load fixing axle 10 completes rotation and throws load.
8., sampler received successively remove the protection dress that the edge of a knife 2 and anti-sample are lost to quarter deck, censored sample situation
It sets, takes out sample cell 3, sample is sealed up for safekeeping according to scheduled pilot project or sample is divided at scene, while sampling equipment is carried out
Care and maintenance.
When selection does not throw load mode, the course of work of this sampler is as follows:
1., the status of equipment of censored sample device, whether each component of censored sample device be connected firmly；
2., remove the edge of a knife 2, be packed into sample cell 3, and successively install protective device and the edge of a knife 2 that anti-sample is lost；
3., first 5 will be mentioned mention to 43 lower section of convex platform for mentioning the fixed device 4 of head, according to sampling requirement, pass through load fixing axle
10 overlay an appropriate number of lead load 11 on bearing base 9；
4., move down and mention first 5, the upper end of load fixing axle 10 is protruded into the fixation hole 54 on Horizontal load-bearing plate 52,
Load-bearing pin 8 is installed；
5., using geological winch sampler is at the uniform velocity transferred, after sampler bottoms out, will be sampled using geological winch on ship
Device is recycled to quarter deck, and censored sample situation successively removes the protective device that the edge of a knife 2 and anti-sample are lost, and takes out sample cell 3,
Sample is sealed up for safekeeping according to scheduled pilot project or sample is divided at scene, while care and maintenance is carried out to sampling equipment.
Claims (5)
1. one kind can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that the sampler includes probe tube (1),
Probe tube (1) lower end connects the edge of a knife (2), and the protective device that anti-sample is lost is equipped between probe tube (1) and the edge of a knife (2), is taken
Sample pipe (1) built-in sample cell (3)；The dismountable tubular of installation mentions head and fixes device (4) at the top of probe tube (1), mentions the fixed dress of head
It sets and is equipped with aperture at the top of (4), there are sample protection cap (7) proposing the protection cap shaft at the top of head fixed device (4) by setting
(41) head fixed device (4) is mentioned with this to connect；Described fixed device (4) upper and lower ends of head that mention are respectively equipped with radial convex platform
(43) and radial lower convex platform (44), wherein the outer rim of lower convex platform (44) is equipped with a release shaft (42), the release
Release (6) are installed in shaft (42)；The release (6) includes superposed cylinder (61), the column positioned at middle part
(62) and axle sleeve (63), foundation (64) and weighted spherical ball (65) positioned at bottom, wherein being connected to institute at the top of the column (62)
The middle part of cylinder (61) is stated, and the two forms T-shaped structure, the axle sleeve (63) is vertically connected at the bottom of column (62), described
Foundation (64) is connected to the lateral surface of axle sleeve (63), and foundation (64) and the cylinder (61), column (62) and axle sleeve (63) point
Not vertical, the other end of the foundation (64) is equipped with weighted spherical ball (65), and as column (62) and foundation (64) bound fraction
Axle sleeve (63) be fixed in the release shaft (42)；It mentions being equipped on the outside of head fixed device (4) and mention head (5), it is described
Mentioning head (5) includes Horizontal load-bearing plate (52) and the drop handle (51) being welded on Horizontal load-bearing plate (52), the Horizontal load-bearing plate
(52) it is covered by the square opening (53) at middle part at the middle part for mentioning head fixed device (4), and is mentioning head fixed device (4) up and down two
It is movable between the boss at end；It is symmetrically opened on the Horizontal load-bearing plate (52) there are two fixation hole (54), furthermore the Horizontal load-bearing plate
(52) edge is equipped with an opening (55), and is equipped in the upper surface of Horizontal load-bearing plate (52) and hands over together with the opening (55)
The vertical shallow arc groove (56) of fork is equipped with slot (57) in the two sides of shallow arc groove (56), the column of the release (6)
(62) can enter in the opening (55), and the cylinder (61) can be fallen on the shallow arc groove (56)；Probe tube
(1) middle and upper part is fixed with bearing base (9), and bearing base (9) two sides are symmetrically installed there are two load fixing axle shaft (91), load
Load fixing axle (10) are installed respectively in fixing axle shaft (91)；Lead load (11) is overlayed across load fixing axle (10) and is held
On weight seat (9), load fixing axle (10) upper end is protruded into the fixation hole (54) for mentioning head (5).
2. one kind as described in claim 1 can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that mention head
Fixed device (4) on both sides of the middle is symmetrically installed that there are two dismountable load-bearing pins (8)；The height of the load-bearing pin (8) is low
Height in load fixing axle (10) top.
3. one kind as described in claim 1 can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that shallow
The fixing card for entering to fix before water the cylinder (61) for equipment is additionally provided on the slot (57) of arc groove (56) two sides
It detains (12).
4. one kind as described in claim 1 can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that described
Load fixing axle (10) can rotate 180 ° around load fixing axle shaft (91).
5. one kind as described in claim 1 can throw load-type deep-sea gravity column shaped deposit sampler, it is characterised in that described
The maximum open angle of sample protection cap (7) is 70 °.
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| CN201710870347.5A CN107478459B (en) | 2017-09-24 | 2017-09-24 | One kind can throw load-type deep-sea gravity column shaped deposit sampler |
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| CN201710870347.5A CN107478459B (en) | 2017-09-24 | 2017-09-24 | One kind can throw load-type deep-sea gravity column shaped deposit sampler |
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| CN107478459B true CN107478459B (en) | 2019-09-06 |
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| CN103439149A (en) * | 2013-09-14 | 2013-12-11 | 淮海工学院 | Negative pressure pneumatic type automatic sampler for water sample in medium-deep layer |
| CN106248417A (en) * | 2016-09-26 | 2016-12-21 | 中国海洋大学 | A kind of sampler |
| CN107063743A (en) * | 2017-04-19 | 2017-08-18 | 中国科学院南海海洋研究所 | A kind of column shaped deposit gravity corer of deep-sea untethered sampling operation and its application |
| CN107091755A (en) * | 2017-04-19 | 2017-08-25 | 中国科学院南海海洋研究所 | One kind embraces ring type deep-sea untethered sampler unlocking mechanism |
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| CN107478459A (en) | 2017-12-15 |
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