CN107091755A - One kind embraces ring type deep-sea untethered sampler unlocking mechanism - Google Patents
One kind embraces ring type deep-sea untethered sampler unlocking mechanism Download PDFInfo
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- CN107091755A CN107091755A CN201710255431.6A CN201710255431A CN107091755A CN 107091755 A CN107091755 A CN 107091755A CN 201710255431 A CN201710255431 A CN 201710255431A CN 107091755 A CN107091755 A CN 107091755A
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- unblock
- barrel
- outer tube
- lock
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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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of deep-sea untethered sampler automatic unlocking mechanism, it includes inner and outer tubes, and inner tube is placed in outer tube；The outer tube sleeve contact hair unblock sleeve pipe below circumferential boss, circumferential boss is fixed with the top of outer tube outer wall, triggering unblock sleeve pipe can slide axially in outer tube outer wall；Outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, and Inner pipe outer walls circumferentially set lock-bit groove or expanding lock-bit hole, and inner and outer pipes lock-bit through hole and lock-bit groove dock in each space to be formed and be designed with locking ball；Triggering unblock sleeve pipe top is unblock barrel, is placed in the middle part of the sampling outer tube outer wall stage casing, unblock barrel inwall circumferentially arranged with the bead returning groove for being enough to accommodate whole locking ball；Triggering unblock casing part be fixedly connected bottom out ring and anchor ring with it is described unlock barrel it is axially vertical；Bead returning groove unlocks the distance between barrel upper end and described circumferential boss lower edge more than the distance between bead returning groove and locking ball below locking ball.The unblock that the unlocking mechanism of the present invention can be used in habitata equipment is reclaimed, and triggering is stable, it is smooth to unlock, and release success rate is high.
Description
Technical field
The present invention relates to a kind of mechanical structure that lock-out state is automatically terminated under specified conditions or instruction, and in particular to one
Plant the unlocking mechanism for habitata equipment.
Background technology
The deep-sea earth is current international great front line science field with life science, and its development is closely fixed against deep-sea skill
The breakthrough innovation of art means.It in the research process of deep-sea is most also generally one of most important means to obtain bottom sediment to be,
It is significant to the geology in research deposit, geologic climate and microbial information.In decades, marine sediment sampling skill
Art is more based on traditional boat-carrying band cable sampler, and gravity is box, grab bucket and piston coring apparatus etc..But these tradition
Sampling technique when being used for deep-sea, by limitations such as scientific investigation ship winch specification, hawser weight and complicated environments such as subsea, exist many
Defect is planted, including research ship tonnage demand is high, sampling point location is inaccurate, hawser is easily damaged by seabed reef lash, sampler
Bad probability is big etc., seriously hinders deep-sea the reach of science.
In order to break away from the above-mentioned sediment sample precious due to many drawbacks, the deeper seabed of acquisition caused by hawser, section
Grind the detection mode that personnel turn to sight untethered sampling.Break away from after the constraint of hawser, the sampling that untethered sampler is launched
Point can much be deeper than band cable sampler.In the habitata sampling of conventional depth, sampling equipment includes abandoning part and recoverer
Point, there is relieving mechanism or unlocking mechanism between the two, it is to be sampled after the completion of, relieving mechanism or unlocking mechanism are forming specific bar
Part receives startup after specific instruction, and abandoning part by recovery section disengaging with specific action returns on sea.But ocean ring
Border has complexity, especially deep-sea and depth more than 7000m even 10000m ultra-deep sea, and the environment in seabed more has
There are complexity, abominable, cause the success rate using common relieving mechanism or unlocking mechanism recovery sampling system often not high.One
Denier sampler fails to be released from seabed according to presupposed solution under unknown particular surroundings, and scientific investigation will all that has been achieved is spoiled,
So the effort of early stage will be thrown into the eastward flowing stream, and this will cause greatly loss and waste.
In addition, the main release realized using acoustic releaser to sampling equipment in the prior art, acoustic releaser into
This is higher, is unfavorable for controlling operating cost, therefore is also not suitable for being used in the sampling operation of deep-sea untethered.
To solve above-mentioned problem, sampling operating efficiency, reduction sampling operating cost, it is necessary to which research and development are stronger are improved
, the mechanical unlocking mechanism that cost is lower successfully returns to sea ensuring sampler and sample from deep seafloor and is recovered.
The content of the invention
It is an object of the invention to：A kind of strong mechanical trigger-type automatic unlocking mechanism is provided, can be used in seabed
The unblock of detecting devices is reclaimed, and triggering is stable, it is smooth to unlock, and release success rate is high.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of mechanical trigger-type automatic unlocking mechanism for deep earth sampling device is provided, it includes inner and outer tubes, inner tube
It is placed in outer tube；The outer tube sleeve contact hair unblock below circumferential boss, circumferential boss is fixed with the top of described outer tube outer wall
Sleeve pipe, described triggering unblock sleeve pipe can slide axially in outer tube outer wall；
Described outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, and Inner pipe outer walls circumferentially set lock-bit groove
Or expanding lock-bit hole, inner and outer pipes lock-bit through hole and lock-bit groove dock in each space to be formed and are designed with locking ball, for locking
Inner and outer pipes relative position, makes that between inner and outer pipes relative displacement can not be produced；Described triggering unblock sleeve pipe top is unblock barrel,
The outer tube outer wall stage casing is placed on, circumferentially arranged with the bead returning groove for being enough to accommodate whole locking ball in the middle part of unblock barrel inwall；Institute
State triggering unblock casing part be fixedly connected bottom out ring and anchor ring with it is described unlock barrel it is axially vertical；Described locking ball
When locking the position of inner and outer pipes, the lock-bit through hole and lock-bit groove of unblock barrel inwall and inner and outer pipes above described bead returning groove
Common fixed locking ball；Described bead returning groove is located at below locking ball, and described unblock barrel upper end and the circumferential boss
The distance between lower edge is more than the distance between bead returning groove and locking ball.
In a kind of currently preferred scheme, auxiliary unblock dress is further provided with described trigger-type automatic unlocking mechanism
Put；Described auxiliary unlocking device includes strength compression spring, interim prevention device and time-release units；Described solution locked groove
The upper and lower two parts of pipe point, described bead returning groove is located at upper part, and the described ring that bottoms out is fixedly connected with lower part；Described pressure
Contracting spring is in compressive state between being located at described unblock upper and lower two parts of barrel, overcomes described by described interim prevention device
Compression spring elastic force by it is described unblock the upper and lower two parts of barrel be fixed together；Described compression spring compression length
Degree is not less than the distance between the bead returning groove and locking ball；Described interim prevention device at least includes fusible cable；Institute
The time-release units stated include watertight electronics storehouse, watertight cable and watertight socket；Machinery is set in described watertight electronics storehouse
Timing means, timing switch circuit, battery, power switch device, described timing switch circuit by the watertight socket and
Watertight cable connects the fusible cable in the interim prevention device, fixed in the predetermined time triggered of the mechanical timer
When on-off circuit, fuse the fusible cable, releases the tightening state of the interim prevention device.
In a kind of scheme of the invention further preferred, described interim prevention device is by not closed hoop fastener and can
The cable that fuses is constituted；Described not closed hoop fastener is by annular snap fit by upper and lower two of described unblock barrel
Divide and tighten together, and its inc two ends is tensed by several fusible cables, is fixedly connected.
In preferred embodiments of the present invention, described fusible cable can be made up of electric heating hydrolyzed-silk or corrosion cable；This hair
Bright most preferably nichrome wire.
In unlocking mechanism of the present invention, described Inner pipes and outer tube are respectively intended to fixation and can divided in the same apparatus
From two parts on.For example, when unlocking mechanism of the present invention is applied into underwater detection equipment, described Inner pipes are entered
One step connects the recovery unit of underwater detection equipment, and described outer tube further connects underwater detection equipment abandons list
Member.
Mechanical trigger-type automatic unlocking mechanism operation principle of the present invention is as follows：To apply this in underwater detection equipment
Exemplified by the unlocking mechanism of invention, detecting devices, after detecting devices, which bottoms out depth, reaches requirement, described triggering are delivered to the bottom
The ring that bottoms out of unblock sleeve pipe is bottomed out by upward active force, triggering unblock sleeve pipe can be driven overall along described outer tube outer wall to
It is upper to slide, slide into unblock barrel top bead returning groove it is relative with the lock-bit through hole of outer tube when, the lock-bit of locking inner and outer pipes position
Pearl can enter in bead returning groove, make the locking action of locking ball fail to unlock inner and outer pipes；If equipment encounters abnormal conditions
Causing to bottom out ring, to bottom out unsuccessful or insertion depth not enough, fails to make to bottom out ring and promotes unblock barrel upward sliding, leads to not
Above-mentioned unblock is completed, auxiliary unlocking device can connect timing switch circuit in the time-release units predetermined time, and fusing is interim
The fusible cable in device is prevented, interim prevention device is released to the unblock upper and lower two-part fastening of barrel, in this two
The release of/the compression spring compressed, the unblock barrel top with bead returning groove is under the promotion of compression spring along outside outer tube
Wall upward sliding, when bead returning groove is relative with the lock-bit through hole of outer tube, locking ball can enter described bead returning groove, so as to trigger solution
Lock, it is ensured that can polishing system and recovery system reliable separation.
Mechanical trigger-type automatic unlocking mechanism of the present invention is particularly suitable for deep seafloor sampling detection, especially
Sample the recovery to the recyclable part of sampling equipment in the case of being connected between detection device and scientific investigation ship without hawser.Deep earth sampling
Need sampler being thrown to seven kms or even the deep seabed of upper myriametre, sea-bottom deposit layer resistance is smaller, and sampler can be thrown
Abandoning part needs larger weight, and unlocking mechanism is firstly the need of ensureing during sampler declines between sampling inner tube and outer tube
Be reliably connected, while also to ensure probe tube insertion submarine sedimentary strata reach depth selection after, unlocking mechanism is less
The lower reliable separation by smoothly unblock solid line recovery section with abandoning part of cake resistance effect.Inner tube in the present invention with
Outer tube separation uses purely mechanic connection, lower on inner/outer tube separation costs compared to being made using electronic devices such as sensors, reliably
Higher in property, stability is stronger；And need not specially design and consider the sealing of electronic component, pressure-resistant and anticorrosion etc. is asked
Topic, it is ensured that also can be cost-effective while high reliability.
Brief description of the drawings
Fig. 1 is the axial sectional view of the triggering unlocking mechanism of the embodiment of the present invention 1.
Fig. 2 is the external structure schematic diagram of the triggering unlocking mechanism of the embodiment of the present invention 1.
Fig. 3 is schematic diagram inside the watertight electronics storehouse of the embodiment of the present invention 1.
Embodiment
Technical scheme is further elaborated on below by the mode of embodiment.
Embodiment 1
A kind of mechanical trigger-type automatic unlocking mechanism, as shown in figure 1, it includes inner tube 1 and outer tube 2, inner tube 1 is placed on outer tube
In 2；Circumferential boss 3, outer tube 2 socket triggering unlocking sleeve of the circumferential boss below 3 are fixed with the top of the described outer wall of outer tube 2
Pipe, described triggering unblock sleeve pipe can slide axially in the outer wall of outer tube 2；
Epimere is circumferentially uniformly arranged 8 lock-bit through holes 21, the circumferentially arranged circle of the outer wall of Inner pipes 1 in the described wall of outer tube 2
Locking ball 5 is designed with each space that lock-bit groove 11, inner and outer pipes lock-bit through hole 21 and the docking of lock-bit groove 11 are formed, for locking
Inner and outer pipes relative position, makes that between inner and outer pipes relative displacement can not be produced；Described triggering unblock sleeve pipe top is unblock barrel
4, it is placed on epimere in the outer wall of outer tube 2, described 4 points of upper and lower two parts of unblock barrel, unblock barrel 4 in internal partial wall
Portion is circumferentially arranged with the bead returning groove 41 for being enough to accommodate whole locking ball；The lower part of unblock barrel 4, which is fixedly connected, bottoms out ring 6 and ring
Face is axially vertical with the unblock barrel 4；Compression spring 7 is provided between described unblock upper and lower two parts of barrel 4；Such as Fig. 1,2
Shown, the circumferential position that described unblock upper and lower two parts of barrel 4 are in contact sets not closed hoop fastener 8, not closed hoop
Fastener 8 by annular snap fit, overcome the elastic force of compression spring 7, the unblock upper and lower two parts pressure of barrel 4 is fastened on one
Rise, and its inc two ends is tensed by several nichrome wires 9, is fixedly connected；The described compression length of compression spring 7
Degree is not less than the distance between the bead returning groove 41 and locking ball 5；Described bottoming out further sets watertight electronics storehouse on ring 6
10, as shown in Figure 2,3, the top cover of watertight electronics storehouse 10 sets watertight socket 11, and watertight socket 11 passes through watertight cable 12 and nickel chromium triangle
Alloy lead wire 9 is connected；Mechanical timer 16, timing switch circuit 15, battery 13, power switch are set in watertight electronics storehouse 10
Device 14；Watertight socket 11 is electrically connected in watertight electronics storehouse 10 by power switch device 14 with timing switch circuit 15；
When described locking ball 5 locks the position of inner and outer pipes, by the described top of bead returning groove 41 the inwall of unblock barrel 4 with
The lock-bit through hole 21 and lock-bit groove 11 of inner and outer pipes fix locking ball 5 jointly；Described bead returning groove 41 is located at the lower section of locking ball 5, and
Described unblock the distance between the upper end of barrel 4 and the lower edge of circumferential boss 3 be more than between bead returning groove 41 and locking ball 5 away from
From.Unblock barrel 4 is driven to be solved along the outer wall upward sliding of outer tube 1 by upward thrust by bottoming out ring 6 under normal condition
Lock, can also be in the predetermined time triggered timing switch circuit 15 of mechanical timer 16, timing but if above-mentioned unblock has no resolution
On-off circuit 15 outputs current to nichrome wire 9 by watertight socket 11, watertight cable 12, and nichrome wire 9 fuses,
Release the upper and lower two-part tightening state of unblock barrel 4.
Application examples
The mechanical trigger-type automatic unlocking mechanism of this hair embodiment 1 is used for underwater detection equipment, described Inner pipes 2 are pushed up
The ball float of the recovery unit of end connection underwater detection equipment, and described outer tube 1 connection underwater detection equipment can discarding unit
Balancing weight.
The detecting devices connected is delivered to the bottom, the described mechanical underwater work of trigger-type automatic unlocking mechanism
Principle is as follows：
Under normal circumstances, after detecting devices, which bottoms out depth, reaches requirement, the ring 6 that bottoms out of described triggering unblock sleeve pipe is touched
Bottom can be driven unblock barrel 4 overall along the described outer wall upward sliding of outer tube 1, slide into solution locked groove by upward active force
When the bead returning groove 41 on the top of pipe 4 is relative with the lock-bit through hole 11 of outer tube 1, the locking ball 5 of locking inner and outer pipes position, which can enter, moves back pearl
In groove 41, the locking action of locking ball 5 is set to fail to unlock inner and outer pipes；At this moment the recovery section of detecting devices can be in ball float etc.
The buoyancy that equipment is provided drives lower thoroughly disengaging to abandon part with balancing weight, returns to the water surface.
If equipment, which encounters abnormal conditions, to be caused to bottom out ring 6 to bottom out unsuccessful or insertion depth not enough, fail to make to bottom out
Ring 6 promotes the unblock upward sliding of barrel 4, leads to not complete above-mentioned unblock, in the watertight electronics storehouse 10 bottomed out on ring 6,
Timing switch circuit 15 can be connected in the predetermined time of mechanical timer 16, timing switch circuit 15 by watertight socket 11,
Watertight cable 12 outputs current to nichrome wire 9, and nichrome wire 9 fuses, and releases upper and lower two of unblock barrel 4
The tightening state divided, discharges the compression spring 7 compressed, the unblock top of barrel 4 the pushing away in compression spring 7 with bead returning groove 41
Along the outer wall upward sliding of sampler outer tube 1 under dynamic, when bead returning groove 41 is relative with the lock-bit through hole 21 of outer tube, locking ball 5 can be entered
Enter bead returning groove 41, so as to trigger unblock, also ensuring that can polishing system and recovery system reliable separation.Recovery unit after separation is whole
Body can carry out salvaging recovery in buoyancy float downward to sea, scientific investigation personnel.
Claims (5)
1. a kind of mechanical trigger-type automatic unlocking mechanism for deep earth sampling device, it is characterised in that：It includes inner and outer tubes,
Inner tube is placed in outer tube；The outer tube sleeve contact hair below circumferential boss, circumferential boss is fixed with the top of described outer tube outer wall
Sleeve pipe is unlocked, described triggering unblock sleeve pipe can slide axially in outer tube outer wall；
Described outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, and Inner pipe outer walls circumferentially set lock-bit groove or expansion
Footpath lock-bit hole, inner and outer pipes lock-bit through hole and lock-bit groove, which are docked in each space to be formed, is designed with locking ball, inside and outside for locking
Pipe relative position, makes that between inner and outer pipes relative displacement can not be produced；Described triggering unblock sleeve pipe top is unblock barrel, is placed on
Circumferentially arranged with the bead returning groove for being enough to accommodate whole locking ball in the middle part of the sampling outer tube outer wall stage casing, unblock barrel inwall；Institute
State triggering unblock casing part be fixedly connected bottom out ring and anchor ring with it is described unlock barrel it is axially vertical；Described locking ball
When locking the position of inner and outer pipes, the lock-bit through hole and lock-bit groove of unblock barrel inwall and inner and outer pipes above described bead returning groove
Common fixed locking ball；Described bead returning groove is located at below locking ball, and described unblock barrel upper end and the circumferential boss
The distance between lower edge is more than the distance between bead returning groove and locking ball.
2. the mechanical trigger-type automatic unlocking mechanism described in claim 1, it is characterised in that：Described trigger-type automatic unlocking machine
Auxiliary unlocking device is further provided with structure；Described auxiliary unlocking device include strength compression spring, it is interim prevent device and
Time-release units；Described upper and lower two parts of unblock barrel point, described bead returning groove is located at upper part, and described bottoms out ring
It is fixedly connected with lower part；Described compression spring is in compressive state between being located at described unblock upper and lower two parts of barrel, by institute
The interim prevention device stated overcomes the elastic force of described compression spring that described unblock upper and lower two parts of barrel are pressed abd fixed on into one
Rise；Described compression spring reduction length is not less than the distance between the bead returning groove and locking ball；Described interim prevention dress
Putting at least includes fusible cable；Described time-release units include watertight electronics storehouse, watertight cable and watertight socket；It is described
Watertight electronics storehouse in set mechanical timer, timing switch circuit, battery, power switch device, described time switch
Circuit connects the fusible cable in the interim prevention device by the watertight socket and watertight cable, fixed in the machinery
When device predetermined time triggered timing switch circuit, fuse the fusible cable, releases the tight of the interim prevention device
Solid fraction state.
3. the mechanical trigger-type automatic unlocking mechanism described in claim 2, it is characterised in that：Described interim prevention device is not by
Closed hoop fastener and fusible cable are constituted；Described not closed hoop fastener will be described by annular snap fit
Unblock upper and lower two parts of barrel tighten together, and by the way that several fusible cables tense its inc two ends, fixation connects
Connect.
4. any one mechanical trigger-type automatic unlocking mechanism described in Claims 2 or 3, it is characterised in that：Described is fusible
Broken string cable is nichrome wire.
5. the mechanical trigger-type automatic unlocking mechanism described in claim 4, it is characterised in that：It includes inner tube (1) and outer tube
(2), inner tube (1) is placed in outer tube (2)；Circumferential boss (3), circumferential boss (3) are fixed with the top of described outer tube (2) outer wall
Following outer tube (2) socket triggering unblock sleeve pipe, described triggering unblock sleeve pipe can slide axially in outer tube (2) outer wall；
Epimere is circumferentially uniformly arranged 8 lock-bit through holes (21) in described outer tube (2) wall, and Inner pipe (1) outer walls are circumferentially arranged
Enclose in lock-bit groove (11), each space that lock-bit through hole (21) and lock-bit groove (11) docking are formed and be designed with locking ball (5), be used for
Inner and outer pipes relative position is locked, makes that between inner and outer pipes relative displacement can not be produced；Described triggering unblock sleeve pipe top is unblock
Barrel (4), is placed on epimere in the outer tube (2) outer wall, described upper and lower two parts of unblock barrel (4) point, unblock barrel (4)
Circumferentially arranged with the bead returning groove (41) for being enough to accommodate whole locking ball in the middle part of upper internal partial wall；The lower part for unlocking barrel (4) is consolidated
Fixed connection bottoms out ring (6) and anchor ring unlocks the axially vertical of barrel (4) with described；It is described unblock barrel (4) upper and lower two parts it
Between be provided with compression spring (7)；Closed hoop is not tight for the circumferential position setting that described unblock barrel (4) upper and lower two parts are in contact
Firmware (8), not closed hoop fastener (8) by annular snap fit, overcome the elastic force of compression spring (7), barrel will be unlocked
(4) upper and lower two parts pressure tightens together, and tenses its inc two ends by several nichrome wires (9), fixes
Connection；Described compression spring (7) reduction length is not less than the distance between the bead returning groove (41) and locking ball (5)；It is described
Bottom out on ring (6) further watertight electronics storehouse (10) be set, watertight electronics storehouse (10) top cover sets watertight socket (11), watertight
Socket (11) is connected by watertight cable (12) and nichrome wire (9)；Mechanical timer is set to fill in watertight electronics storehouse (10)
Put (16), timing switch circuit (15), battery (13), power switch device (14)；Watertight socket (11) is in watertight electronics storehouse
(10) electrically connected in by power switch device (14) with timing switch circuit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255431.6A CN107091755B (en) | 2017-04-19 | 2017-04-19 | One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255431.6A CN107091755B (en) | 2017-04-19 | 2017-04-19 | One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107091755A true CN107091755A (en) | 2017-08-25 |
| CN107091755B CN107091755B (en) | 2019-06-21 |
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ID=59636900
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710255431.6A Active CN107091755B (en) | 2017-04-19 | 2017-04-19 | One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea |
Country Status (1)
| Country | Link |
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| CN (1) | CN107091755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107478459A (en) * | 2017-09-24 | 2017-12-15 | 国家海洋局第海洋研究所 | One kind can throw load-type deep-sea gravity column shaped deposit sampler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107478459B (en) * | 2017-09-24 | 2019-09-06 | 自然资源部第一海洋研究所 | One kind can throw load-type deep-sea gravity column shaped deposit sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091755B (en) | 2019-06-21 |
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