CN107091755B - One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea - Google Patents
One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea Download PDFInfo
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- CN107091755B CN107091755B CN201710255431.6A CN201710255431A CN107091755B CN 107091755 B CN107091755 B CN 107091755B CN 201710255431 A CN201710255431 A CN 201710255431A CN 107091755 B CN107091755 B CN 107091755B
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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
The present invention relates to a kind of untethered sampler automatic unlocking mechanisms in deep-sea, it includes inner and outer tubes, and inner tube is placed in outer tube；Circumferential boss, circumferential boss outer tube sleeve contact hair unlock casing below are fixed at the top of outer tube outer wall, triggering unlock casing can slide axially in outer tube outer wall；Outer tube wall middle section is uniformly arranged in the circumferential direction at least two lock-bit through-hole, and outer wall of inner tube circumferentially sets lock-bit slot, and the lock-bit slot of outer tube lock-bit through-hole and inner tube, which docks in each space to be formed, is designed with locking ball；Triggering unlock casing top is unlock barrel, is placed on the sampling outer tube outer wall middle section, unlocks in the middle part of barrel inner wall circumferentially arranged with the bead returning groove for being sufficient to accommodate entire locking ball；Triggering unlock casing part be fixedly connected bottom out ring and anchor ring and it is described unlock barrel it is axially vertical；Bead returning groove is located at below locking ball, and unlocks the distance between barrel upper end and the circumferential boss lower edge and be greater than the distance between bead returning groove and locking ball.Unlocking mechanism of the invention can be used in the unlock recycling of habitata equipment, and triggering stablizes, unlocks smooth, release success rate height.
Description
Technical field
The present invention relates to a kind of mechanical structures that lock state is automatically terminated under specified conditions or instruction, and in particular to one
Kind is used for the unlocking mechanism of habitata equipment.
Background technique
The deep-sea earth and life science are current international great front line science fields, and development is closely fixed against deep-sea skill
The breakthrough innovation of art means.Obtaining bottom sediment to be most generally is also one of most important means in the research process of deep-sea,
It is of great significance to geology, geologic climate and the microbial information in research deposit.In decades, marine sediment samples skill
Art is mostly 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 subsea environments, exist more
Kind defect, including research ship tonnage demand height, sample point position inaccurate, hawser are damaged vulnerable to seabed reef lash, sampler
Bad probability is big etc., seriously hinders deep-sea the reach of science.
For the sediment sample for getting rid of above-mentioned drawbacks many as caused by hawser, obtaining deeper seabed preciousness, section
Grind the detection mode that sight is turned to untethered sampling by personnel.After getting rid of the constraint of hawser, 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, after the completion of to be sampled, relieving mechanism or unlocking mechanism are forming specific item
Part starts after receiving specific instruction, abandons part by recovery section disengaging with specific action and returns on sea.But ocean ring
Border has complexity, especially deep-sea and depth is more than the ultra-deep sea of 7000m even 10000m, and the environment in seabed more has
There are complexity, abominable, causes the success rate using common relieving mechanism or unlocking mechanism recycling 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 period will be thrown into the eastward flowing stream, this will cause greatly to lose and waste.
In addition, release to sampling equipment is mainly realized using acoustic releaser in the prior art, acoustic releaser at
This is higher, is unfavorable for controlling operating cost, therefore is also not suitable for being used in the untethered sampling operation in deep-sea.
To solve the above problems, sampling operating efficiency is improved, reduces sampling operating cost, it is necessary to which research and development are stronger
, the lower mechanical unlocking mechanism of cost returns to sea successfully ensuring sampler and sample from deep seafloor and is recovered.
Summary 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 unlock of detecting devices is recycled, and triggering stablizes, unlocks smooth, release success rate height.
Above-mentioned purpose of the 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；Circumferential boss, circumferential boss outer tube sleeve contact hair unlock below are fixed at the top of the outer tube outer wall
Casing, the triggering unlock casing can slide axially in outer tube outer wall；
The outer tube wall middle section is uniformly arranged in the circumferential direction at least two lock-bit through-hole, and outer wall of inner tube circumferentially sets lock-bit
The lock-bit slot of slot or expanding lock-bit hole, outer tube lock-bit through-hole and inner tube, which docks, is designed with locking ball in each space to be formed, use
In locking inner and outer pipes relative position, make that relative displacement cannot be generated between inner and outer pipes；The triggering unlock casing top is solution
Locked groove pipe, is placed on the outer tube outer wall middle section, circumferentially arranged with being sufficient to accommodate moving back for entire locking ball in the middle part of unlock barrel inner wall
Pearl slot；The described triggering unlock casing part, which is fixedly connected, to be bottomed out ring and anchor ring and described unlocks the axially vertical of barrel；It is described
Locking ball locking inner and outer pipes position when, by above the bead returning groove unlock barrel inner wall and inner and outer pipes lock-bit through-hole
Locking ball is fixed jointly with lock-bit slot；The bead returning groove is located at below locking ball, and the unlock barrel upper end with it is described
The distance between circumferential boss lower edge is greater than the distance between bead returning groove and locking ball.
In a kind of currently preferred scheme, auxiliary unlock dress is further provided in the trigger-type automatic unlocking mechanism
It sets；The auxiliary unlocking device includes strength compressed spring, interim prevention device and time-release units；The solution locked groove
The upper and lower two parts of pipe point, the bead returning groove are located at upper part, and the ring that bottoms out is fixedly connected with lower part；The pressure
Contracting spring is in compressive state between the upper and lower two parts of the unlock barrel, is overcome by the interim prevention device described
The elastic force of compressed spring the upper and lower two parts of the unlock barrel are fixed together；The compressed spring compresses length
Degree is not less than the distance between the bead returning groove and locking ball；The interim prevention device includes at least fusible cable；Institute
The time-release units stated include watertight electronics storehouse, watertight cable and watertight socket；It is arranged in the watertight electronics storehouse mechanical
Timing means, timing switch circuit, battery, power switch device, the timing switch circuit by the watertight socket and
Watertight cable connects the fusible cable in the interim prevention device, fixed in the scheduled time trigger of the mechanical timer
When switching circuit, the fusing fusible cable, release the tightening state of the interim prevention device.
In a kind of further preferred scheme of the present invention, the interim prevention device is by not closed hoop fastener and can
The cable that fuses is constituted；The not closed hoop fastener passes through annular snap fit for the unlock barrel upper and lower two
Divide and tighten together, and its inc both ends is tensed by several fusible cables, is fixedly connected.
In preferred embodiments of the present invention, the fusible cable can be made of electric heating hydrolyzed-silk or corrosion cable；This hair
Bright most preferably nichrome wire.
In unlocking mechanism of the present invention, the inner and outer tubes are respectively intended to fixation can divide in the same apparatus
From two parts on.For example, by unlocking mechanism of the present invention be applied to underwater detection equipment when, by the inner tube into
One step connects the recovery unit of underwater detection equipment, and what the outer tube further connected underwater detection equipment abandons list
Member.
Mechanical trigger-type automatic unlocking mechanism working principle of the present invention is as follows: to apply this in underwater detection equipment
For the unlocking mechanism of invention, detecting devices, after detecting devices, which bottoms out depth, reaches requirement, the triggering are launched to the bottom
Unlock casing bottom out ring bottom out will drive by upward active force triggering unlock casing it is whole along the outer tube outer wall to
Upper sliding, slide into unlock barrel top bead returning groove it is opposite with the lock-bit through-hole of outer tube when, lock inner and outer pipes position lock-bit
Pearl can enter in bead returning groove, and the locking effect of locking ball is made to fail to unlock inner and outer pipes；If equipment encounters abnormal conditions
Lead to bottom out ring and bottom out that unsuccessful or insertion depth is insufficient, and failing makes to bottom out ring pushes unlock barrel upward sliding, leads to not
Above-mentioned unlock is completed, auxiliary unlocking device can connect timing switch circuit in the time-release units scheduled time, and fusing is interim
The fusible cable in device is prevented, interim prevention device is released to unlock barrel two-part fastening above and below, is in this two
/ compressed compressed spring release, the unlock barrel top with bead returning groove is under the promotion of compressed spring outside outer tube
Wall upward sliding, when bead returning groove is opposite with the lock-bit through-hole of outer tube, locking ball can enter the bead returning groove, 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 detected particularly suitable for deep seafloor sampling, especially
Sampling equipment can be recycled in the case where connecting between sampling detection device and scientific investigation ship without hawser the recycling of part.Deep earth sampling
Need for sampler to be thrown to the seabed of the even upper myriametre depth of seven kms, sea-bottom deposit layer resistance is smaller, and sampler can be thrown
It abandons part and needs larger weight, unlocking mechanism is firstly the need of guaranteeing during sampler declines between sampling inner tube and outer tube
Be reliably connected, while also to guarantee to be inserted into after submarine sedimentary strata reaches depth selection in probe tube, unlocking mechanism is lesser
Cake resistance effect is lower to pass through smoothly unlock solid line recovery section and the reliable separation for abandoning part.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 it does not need specially to design and consider that sealing, pressure resistance and the anticorrosion etc. of electronic component are asked
Topic, guarantee high reliability while also can save the cost.
Detailed description of the invention
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.
Specific embodiment
Technical solution of the present invention is further elaborated 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, circumferential boss 3 outer tube 2 below socket triggering unlocking sleeve are fixed at the top of 2 outer wall of outer tube
Pipe, the triggering unlock casing can slide axially in 2 outer wall of outer tube；
Upper section is uniformly arranged in the circumferential direction 8 lock-bit through-holes 21, the circumferentially arranged circle of 1 outer wall of inner tube in 2 wall of outer tube
It is designed with locking ball 5 in each space that the docking of lock-bit slot 11 of lock-bit slot 11, outer tube lock-bit through-hole 21 and inner tube is formed, is used for
Inner and outer pipes relative position is locked, makes that relative displacement cannot be generated between inner and outer pipes；The triggering unlock casing top is unlock
Barrel 4 is placed on upper section in 2 outer wall of outer tube, and the unlock barrel 4 divides upper and lower two parts, unlocks on barrel 4 in part
Circumferentially arranged with the bead returning groove 41 for being sufficient to accommodate entire locking ball in the middle part of wall；The lower part of unlock barrel 4, which is fixedly connected, bottoms out ring 6
And anchor ring unlocks the axially vertical of barrel 4 with described；Compressed spring 7 is equipped between the upper and lower two parts of the unlock barrel 4；Such as
Fig. 1, shown in 2, the circumferential position setting that described unlock upper and lower two parts of barrel 4 are in contact not closed hoop fastener 8 does not close
The elastic force that fasteners 8 pass through annular snap fit, overcome compressed spring 7 is closed, unlock upper and lower two parts of barrel 4 are compressed
Gu together, and by several nichrome wires 9 by its inc both ends tensing, being fixedly connected；The compressed spring 7
Reduction length is not less than the distance between the bead returning groove 41 and locking ball 5；Watertight electricity is further arranged in described bottoming out on ring 6
Watertight socket 11 is arranged in sub- storehouse 10, as shown in Figure 2,3,10 top cover of watertight electronics storehouse, and watertight socket 11 passes through 12 He of watertight cable
Nichrome wire 9 connects；Mechanical timer 16, timing switch circuit 15, battery 13, power supply are set in watertight electronics storehouse 10
Switching device 14；Watertight socket 11 is electrically connected by power switch device 14 with timing switch circuit 15 in watertight electronics storehouse 10
It connects；
When the locking ball 5 locks the position of inner and outer pipes, by 41 top of bead returning groove 4 inner wall of unlock barrel with
The lock-bit through-hole 21 of outer tube and the lock-bit slot 11 of inner tube fix locking ball 5 jointly；The bead returning groove 41 is located under locking ball 5
Side, and the distance between 4 upper end of unlock barrel and described circumferential 3 lower edge of boss be greater than bead returning groove 41 and locking ball 5 it
Between distance.Unlock barrel 4 is driven to slide up along 1 outer wall of outer tube and bottoming out ring 6 by upward thrust under normal condition
It moves and unlocks, it, can also be in the scheduled time trigger timing switch circuit of mechanical timer 16 but if above-mentioned unlock has no resolution
15, timing switch circuit 15 outputs current to nichrome wire 9 by watertight socket 11, watertight cable 12, and nichrome is led
Line 9 fuses, and releases the upper and lower two-part tightening state of unlock barrel 4.
Application examples
The mechanical trigger-type automatic unlocking mechanism of this hair embodiment 1 is used for underwater detection equipment, the inner tube 2 is pushed up
The floating ball of the recovery unit of end connection underwater detection equipment, and the outer tube 1 connects underwater detection equipment can discarding unit
Clump weight.
The detecting devices connected is launched to the bottom, the underwater work of mechanical trigger-type automatic unlocking mechanism
Principle is as follows:
Under normal circumstances, after detecting devices, which bottoms out depth, reaches requirement, the triggering unlock casing bottoms out the touching of ring 6
Bottom will drive 4 entirety of unlock barrel along the 1 outer wall upward sliding of outer tube, slide into solution locked groove by upward active force
When the bead returning groove 41 on 4 top of pipe and the opposite lock-bit through-hole 11 of outer tube 1, the locking ball 5 for locking inner and outer pipes position, which can enter, moves back pearl
In slot 41, the locking effect of locking ball 5 is made to fail to unlock inner and outer pipes；At this moment the recovery section of detecting devices can be in floating ball etc.
The buoyancy that equipment provides drives lower be thoroughly detached to abandon part with clump weight, returns to the water surface.
If equipment, which encounters abnormal conditions, to be led to bottom out ring 6 to bottom out unsuccessful or insertion depth insufficient, fail to make to bottom out
Ring 6 pushes unlock 4 upward sliding of barrel, leads to not complete above-mentioned unlock, in the watertight electronics storehouse 10 bottomed out on ring 6,
Timing switch circuit 15 can the scheduled time of mechanical timer 16 connect, 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 unlock barrel 4
The tightening state divided, discharges compressed compressed spring 7,4 top of unlock barrel the pushing away in compressed spring 7 with bead returning groove 41
Along 1 outer wall upward sliding of sampler outer tube under dynamic, when bead returning groove 41 is opposite with the lock-bit through-hole 21 of outer tube, locking ball 5 understand into
Enter bead returning groove 41, to trigger unlock, also ensuring that can polishing system and recovery system reliable separation.Recovery unit after separation is whole
Body can carry out salvaging recycling 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；Circumferential boss, circumferential boss outer tube sleeve contact hair below are fixed at the top of the outer tube outer wall
Casing is unlocked, the triggering unlock casing can slide axially in outer tube outer wall；
The outer tube wall middle section is uniformly arranged in the circumferential direction at least two lock-bit through-hole, and outer wall of inner tube circumferentially sets lock-bit slot, outside
Pipe lock-bit through-hole and the lock-bit slot of inner tube dock in each space to be formed and are designed with locking ball, for locking inner and outer pipes with respect to position
It sets, makes that relative displacement cannot be generated between inner and outer pipes；The triggering unlock casing top is unlock barrel, is placed on the sampling
Outer tube outer wall middle section, unlock barrel inner wall middle part is circumferentially arranged with the bead returning groove for being sufficient to accommodate entire locking ball；The triggering
Unlock casing part be fixedly connected bottom out ring and anchor ring and it is described unlock barrel it is axially vertical；Inside and outside the locking ball locking
When the position of pipe, by above the bead returning groove unlock barrel inner wall and the lock-bit through-hole of outer tube and the lock-bit slot of inner tube it is common
Fixed locking ball；The bead returning groove is located at below locking ball, and the unlock barrel upper end and the circumferential boss lower edge
The distance between be greater than the distance between bead returning groove and locking ball.
2. mechanical trigger-type automatic unlocking mechanism described in claim 1, it is characterised in that: the trigger-type automatic unlocking machine
Auxiliary unlocking device is further provided in structure；The auxiliary unlocking device include strength compressed spring, it is interim prevent device and
Time-release units；The upper and lower two parts of the unlock barrel point, the bead returning groove are located at upper part, and described bottoms out ring
It is fixedly connected with lower part；The compressed spring is in compressive state between the upper and lower two parts of the unlock barrel, by institute
The interim prevention device stated overcomes the elastic force of the compressed spring that the upper and lower two parts of the unlock barrel are pressed abd fixed on one
It rises；The compressed spring reduction length is not less than the distance between the bead returning groove and locking ball；The interim prevention dress
It sets and includes at least fusible cable；The time-release units include watertight electronics storehouse, watertight cable and watertight socket；It is described
Watertight electronics storehouse in be arranged mechanical timer, timing switch circuit, battery, power switch device, the time switch
Circuit connects the fusible cable in the interim prevention device by the watertight socket and watertight cable, described mechanical fixed
When device scheduled time trigger timing switch circuit, the fusing fusible cable, release the tight of the interim prevention device
Solid fraction state.
3. mechanical trigger-type automatic unlocking mechanism as claimed in claim 2, it is characterised in that: the interim prevention device is not by
Closed hoop fastener and fusible cable are constituted；The not closed hoop fastener passes through annular snap fit will be described
Unlock upper and lower two parts of barrel tighten together, and are tensed its inc both ends by several fusible cables, fixed company
It connects.
4. mechanical trigger-type automatic unlocking mechanism described in Claims 2 or 3 any one, it is characterised in that: described is fusible
Broken string cable is nichrome wire.
5. a kind of mechanical trigger-type automatic unlocking mechanism for deep earth sampling device, it is characterised in that: it includes inner tube (1) and outer
It manages (2), inner tube (1) is placed in outer tube (2)；Circumferential boss (3), circumferential boss are fixed at the top of described outer tube (2) outer wall
(3) outer tube (2) socket triggering unlock casing below, the triggering unlock casing can slide axially in outer tube (2) outer wall；
Upper section is uniformly arranged in the circumferential direction 8 lock-bit through-holes (21) in described outer tube (2) wall, and inner tube (1) outer wall is circumferentially arranged
It is designed with locking ball (5), uses in each space that one circle lock-bit slot (11), lock-bit through-hole (21) and lock-bit slot (11) docking are formed
In locking inner and outer pipes relative position, make that relative displacement cannot be generated between inner and outer pipes；The triggering unlock casing top is solution
Locked groove pipe (4), is placed on upper section in the outer tube (2) outer wall, and the upper and lower two parts of the unlock barrel (4) point unlock barrel
(4) circumferentially arranged with the bead returning groove (41) for being sufficient to accommodate entire locking ball in the middle part of internal partial wall on；Unlock the lower part of barrel (4)
Be fixedly connected bottom out ring (6) and anchor ring with it is described unlock barrel (4) it is axially vertical；The upper and lower two parts of the unlock barrel (4)
Between be equipped with compressed spring (7)；Not closed hoop is arranged in the circumferential position that described upper and lower two parts of unlock barrel (4) are in contact
Fastener (8), the elastic force that closed hoop fastener (8) does not pass through annular snap fit, overcomes compressed spring (7), will solve locked groove
The upper and lower two parts pressure of pipe (4) tightens together, and tenses its inc both ends by several nichrome wires (9), is solid
Fixed connection；Compressed spring (7) reduction length is not less than the distance between the bead returning groove (41) and locking ball (5)；Institute
Watertight electronics storehouse (10) is further arranged in bottoming out for stating on ring (6), watertight socket (11) are arranged in watertight electronics storehouse (10) top cover, water
Close socket (11) is connected by watertight cable (12) and nichrome wire (9)；Mechanical timer is set in watertight electronics storehouse (10)
Device (16), timing switch circuit (15), battery (13), power switch device (14)；Watertight socket (11) is in watertight electronics storehouse
(10) it is electrically connected by power switch device (14) with timing switch circuit (15) in.
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 CN107091755A (en) | 2017-08-25 |
| CN107091755B true CN107091755B (en) | 2019-06-21 |
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| CN201710255431.6A Active CN107091755B (en) | 2017-04-19 | 2017-04-19 | One kind embracing the untethered sampler unlocking mechanism in ring type deep-sea |
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Families Citing this family (1)
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7472589B2 (en) * | 2005-11-07 | 2009-01-06 | Halliburton Energy Services, Inc. | Single phase fluid sampling apparatus and method for use of same |
| CN101592562B (en) * | 2009-07-01 | 2012-01-04 | 国家海洋局第一海洋研究所 | Marine sediment sampler |
| KR101295245B1 (en) * | 2011-10-18 | 2013-08-09 | 한국해양과학기술원 | A device for sampling ocean deposits with a hanging type nosecone |
| CN104677682B (en) * | 2015-01-21 | 2017-04-19 | 浙江理工大学 | Fixed-point triggered bottom water fidelity collector |
| CN205891196U (en) * | 2016-07-21 | 2017-01-18 | 杭州边界电子技术有限公司 | Fusing formula deep sea releasing mechanism |
| CN106379503A (en) * | 2016-09-19 | 2017-02-08 | 浙江大学 | Automatic load rejecting mechanism of deep-sea sampler |
| CN106248417B (en) * | 2016-09-26 | 2019-04-16 | 中国海洋大学 | A kind of sampler |
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