CN107089309A - A kind of ejection type deep-sea untethered sampler unlocking mechanism - Google Patents
A kind of ejection type deep-sea untethered sampler unlocking mechanism Download PDFInfo
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- CN107089309A CN107089309A CN201710255403.4A CN201710255403A CN107089309A CN 107089309 A CN107089309 A CN 107089309A CN 201710255403 A CN201710255403 A CN 201710255403A CN 107089309 A CN107089309 A CN 107089309A
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- lock
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- bit
- unblock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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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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- Ocean & Marine Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
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Abstract
The present invention relates to a kind of ejection type deep-sea untethered sampler unlocking mechanism, it includes inner and outer tubes；Outer tube outer wall, top is fixed with circumferential boss, and middle part socket unlocks sleeve pipe, and bottom is provided with triggering device；Outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, and Inner pipe outer walls are circumferentially arranged to dock in each space to be formed and be designed with locking ball to lock-bit groove, the lock-bit hole of inner and outer pipes and lock-bit groove, the relative position for locking inner and outer pipes；Circumferentially arranged with the bead returning groove for being enough to accommodate whole locking ball in the middle part of unblock internal surface of sleeve pipe；Triggering device, bottom is provided with triggering ring, and top is provided with promotion pipe that can be with unblock casing-contact；Triggering ring is with promoting pipe to be fixedly connected by connecting rod；When locking ball locks the position of inner and outer pipes, unblock internal surface of sleeve pipe and the lock-bit hole of inner and outer pipes and lock-bit groove above bead returning groove fix locking ball jointly；Bead returning groove unlocks the distance between sleeve 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 ejection type deep-sea untethered sampler unlocking mechanism is provided, it includes inner and outer tubes, inner tube is placed in outer tube；
Described outer tube outer wall, top is fixed with circumferential boss, and middle part socket unlocks sleeve pipe, and bottom is filled provided with triggering
Put；Described unblock sleeve pipe and triggering device are not connected with, and can be in outer tube outer wall lower slider vertically；
Described outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, and described Inner pipe outer walls are circumferentially set
Lock-bit groove or expanding lock-bit hole are put, the lock-bit hole of inner and outer pipes and lock-bit groove dock in each space to be formed and be designed with locking ball,
Relative position for locking inner and outer pipes, makes that between inner and outer pipes relative displacement can not be produced；In the middle part of described unblock internal surface of sleeve pipe
Circumferentially arranged with the bead returning groove for being enough to accommodate whole locking ball；Ring anchor ring is triggered provided with triggering ring in described triggering device bottom
The axially vertical of sleeve pipe is unlocked with described；Being provided with the top of described triggering device can be with the promotion pipe for unlocking casing-contact；
Described triggering ring is fixedly connected with described promotion pipe by connecting rod；When described locking ball locks the position of inner and outer pipes,
Unblock internal surface of sleeve pipe and the lock-bit hole of inner and outer pipes and lock-bit groove above described bead returning groove fix locking ball jointly；Described
Bead returning groove is located at below locking ball, and the distance between described unblock sleeve upper end and described circumferential boss lower edge are more than moving back
The distance between pearl groove and locking ball.
In a kind of currently preferred unlocking mechanism, further set between described unblock sleeve pipe and described triggering device
There are at least 2 nonelastic fusible drawing cables and 1 group of compression spring of equal length；1 group of described compression spring is placed on described
Promotion pipe outside, described unblock sleeve outer wall is fixed in described fusible drawing cable one end, and the other end is fixed on institute
The triggering ring top exterior walls stated, and described fusible drawing length of cable is less than the natural length of compression spring, described can
The difference of fusing drawing length of cable and compression spring natural length be more than between described bead returning groove and locking ball it is vertical away from
From；Described triggering ring bottom is provided with fusing timer, the fusing electricity for connecting fusible drawing cable after the scheduled time
Road.
In unlocking mechanism of the present invention, described fusible abscission ring is made up of electric heating hydrolyzed-silk or corrosion cable.
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, before Xiang Shuili delivers detecting devices, by described Inner pipes, further connection undersea detection is set
Standby recovery unit, and described outer tube further connect underwater detection equipment can discarding unit, and by inner and outer pipes lock
Position pearl locking, pulls cable connection unblock sleeve pipe and triggering ring with least 2 fusibles, compression spring is in compressive state,
And bead returning groove is located at below locking ball, and ensure the reduction length of compression spring more than vertical between locking ball and bead returning groove
Distance.Then detecting devices is delivered to the bottom.After detecting devices, which bottoms out depth, reaches requirement, described triggering ring bottom out by
Upward active force, can promote pipe to promote unblock sleeve pipe along described outer tube outer wall upward sliding, slide into solution by described
When lock tube pipe bead returning groove is relative with the lock-bit through hole of outer tube, the locking ball of locking inner and outer pipes position can enter in the bead returning groove, make
The locking action failure of locking ball is so as to unlock；Secondly, cause to bottom out unsuccessful when detecting devices encounters abnormal conditions, fail
In the case of making triggering ring and promoting pipe promotion unblock sleeve pipe upward sliding and then complete above-mentioned releasing process, timer can be pre-
If time reach after connect fusible pull cable Zapping circuit, fusible pull cable under electric current and seawater eroding
Corrosion is disconnected, and its brake force upward to unblock sleeve pipe fails, compression spring release, promotion lower edge of the unblock sleeve pipe in compression spring
Outer tube outer wall upward sliding, when unblock sleeve pipe bead returning groove is relative with the lock-bit through hole of outer tube, locking ball can enter described move back
Pearl groove, so as to trigger unblock, 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 unlocking mechanism of the embodiment of the present invention 1.
Fig. 2 is the axial sectional view of the unlocking mechanism of the embodiment of the present invention 2.
Fig. 3 is principle schematic inside the fusing timer of the embodiment of the present invention 2.
Mark is described as follows in figure：
1- outer tubes；11- circumference boss；12- unlocks sleeve pipe；121- bead returning grooves；131- triggers ring；132- is promoted
Pipe；133- fusibles pull cable；134- fusing timers；135- watertight sockets；136- watertight cables；1341- machineries
Timing means；1342- timing switch circuits；1343- batteries；1344- power switch devices；14- compression springs；15- locks
Position through hole；
2- inner tubes；The expanding lock-bit holes of 21-；22- lock-bit grooves；
3- locking balls.
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 outer tube 1 and inner tube 2, inner tube 2 is placed on outer tube
In 1；
The described outer wall of outer tube 1, top is fixed with circumferential boss 11, and middle part socket unlocks sleeve pipe 12, and bottom is provided with tactile
Transmitting apparatus；Described unblock sleeve pipe 12 and triggering device can be in outer tube outer wall lower sliders vertically；
The described tube wall stage casing of outer tube 1 is circumferentially uniformly arranged 4 lock-bit through holes 15, and the outer wall of Inner pipes 2 circumferentially sets lock-bit
1 locking ball 3 is designed with groove 22, each space of the docking formation of lock-bit groove 22 of the lock-bit through hole 15 and Inner pipes 2 of outer tube 1,
For locking inner and outer pipes relative position, make that between inner and outer pipes relative displacement can not be produced；The described inwall of unblock sleeve pipe 12 edge week
To provided with bead returning groove 121, described triggering device bottom is triggering ring 131 and axially vertical, the bottom of anchor ring and unlocking mechanism
More than portion provided with the promotion pipe 132 that can be contacted with unblock sleeve pipe 12；It is described when described locking ball 3 locks the position of inner and outer pipes
Bead returning groove 121 be located at the lower section of locking ball 3, the described unblock upper limb of sleeve pipe 12 is more than with the described lower edge spacing of circumferential boss 11
Vertical range between described bead returning groove 121 and locking ball 3.
2 that equal length is further provided between described unblock sleeve pipe 12 and described triggering ring 131 are nonelastic fusible
Disconnected drawing cable 133 and 1 group of compression spring 14；1 group of described compression spring 14 is placed on outside described promotion pipe 132, described
Fusible drawing cable 133 one end be fixed on the described outer wall of unblock sleeve pipe 12, the other end is fixed on described triggering ring 131
Top exterior walls, and described fusible drawing cable 133 length is less than the natural length of compression spring 14, described fusible is led
The length of bracing wire cable 133 is more than vertical between described bead returning groove 121 and locking ball 3 with the difference of the natural length of compression spring 14
Distance；The described bottom of triggering ring 131 is provided with fusing timer 134, for connecting fusible drawing cable after the scheduled time
133 Zapping circuit.
Embodiment 2
A kind of mechanical trigger-type automatic unlocking mechanism, as shown in figure 1, it includes outer tube 1 and inner tube 2, inner tube 2 is placed on outer tube
In 1；
The described outer wall of outer tube 1, top is fixed with circumferential boss 11, and middle part socket unlocks sleeve pipe 12, and bottom is provided with tactile
Transmitting apparatus；Described unblock sleeve pipe 12 and triggering device can be in outer tube outer wall lower sliders vertically；
The described tube wall stage casing of outer tube 1 is circumferentially set on the described tube wall of Inner pipes 2 circumferentially arranged with 8 lock-bit through holes 15
There is the expanding lock-bit hole 21 that 8 apertures expand from inside to outside；Inner and outer pipes lock-bit hole, which is docked in each space to be formed, is respectively provided with one
Locking ball 3, for locking inner and outer pipes relative position, makes that between inner and outer pipes relative displacement can not be produced；Described unblock sleeve pipe
12 inwalls are triggering ring 131 and anchor ring and the axle of unlocking mechanism circumferentially arranged with bead returning groove 121, described triggering device bottom
To vertical, more than bottom provided with the promotion pipe 132 that can be contacted with unblock sleeve pipe 12；Described locking ball 3 locks the position of inner and outer pipes
When putting, described bead returning groove 121 is located under the lower section of locking ball 3, the described unblock upper limb of sleeve pipe 12 and described circumferential boss 11
It is intermarginal away from more than the vertical range between described bead returning groove 121 and locking ball 3.
2 that equal length is further provided between described unblock sleeve pipe 12 and described triggering ring 131 are nonelastic fusible
Disconnected drawing cable 133 and 1 group of compression spring 14；1 group of described compression spring 14 is placed on outside described promotion pipe 132, described
Fusible drawing cable 133 one end be fixed on the described outer wall of unblock sleeve pipe 12, the other end is fixed on described triggering ring 131
Top exterior walls, and described fusible drawing cable 133 length is less than the natural length of compression spring 14, described fusible is led
The length of bracing wire cable 133 is more than vertical between described bead returning groove 121 and locking ball 3 with the difference of the natural length of compression spring 14
Distance；The described bottom of triggering ring 131 sets watertight socket provided with fusing timer 134, the described top cover of fusing timer 134
135, watertight socket 135 pulls cable 133 by watertight cable 136 and fusible and connected；In described fusing timer 134
Portion, as shown in figure 3, setting mechanical timer 1341, timing switch circuit 1342, battery 1343, power switch device 1344；
Watertight socket 135 is electrically connected in fusing timer 134 by power switch device 1344 with timing switch circuit 1342.
Application examples
The mechanical trigger-type automatic unlocking mechanism of this hair embodiment 1 or 2 can be used for underwater detection equipment.Thrown in Xiang Shuili
Put before detecting devices, described Inner pipes 2 are further connected to the recovery unit of underwater detection equipment, and described outer tube 1 enters
One step connection underwater detection equipment can discarding unit, and inner and outer pipes locking ball 3 is locked, pulled with 2-4 roots fusible
At the top of the connection of cable 133 unblock sleeve pipe and triggering ring, compression spring 14 is set to be in compressive state, and bead returning groove 121 is located at lock
The lower section of position pearl 3, and ensure that the reduction length of compression spring 14 is more than the vertical range between locking ball 3 and bead returning groove 121.So
Detecting devices is delivered afterwards to the bottom.
The mechanical underwater operation principle of trigger-type automatic unlocking mechanism of the embodiment of the present invention is as follows：
Under normal circumstances, after detecting devices, which bottoms out depth, reaches requirement, as shown in Figure 1, 2, described triggering ring 131 is touched
Bottom can be driven promotion pipe 132 to promote unblock sleeve pipe 12 along the described outer wall upward sliding of outer tube 1 by upward active force, sliding
Move bead returning groove 121 to unblock sleeve pipe 12 it is relative with the lock-bit through hole 15 of outer tube 1 when, lock the meeting of locking ball 3 of inner and outer pipes positions
Into in the bead returning groove 121, the locking action of locking ball 3 is set to fail so as to unlocking, at this moment the recovery section of detecting devices can be
The buoyancy that the equipment such as ball float are provided drives lower thoroughly disengaging to abandon part, returns to the water surface.
Under abnormal conditions, detecting devices may bottom out unsuccessful, and triggering ring 131 fails to bottom out or fails to obtain enough
Resistance upward sliding when, unblock sleeve pipe 12 also just can not in the case where promoting the promotion of pipe 132 upward sliding, and then complete above-mentioned solution
Lock process, now, fusing timer 134 connect the fusing electricity of fusible drawing cable 133 after being reached in the default time
Road, fusible drawing cable 133 corrodes disconnected under electric current and seawater eroding, and its brake force upward to unblock sleeve pipe 12 fails,
Compression spring 14 discharges, and sleeve pipe 12 is unlocked under the promotion of compression spring 14 along the outer wall upward sliding of outer tube 1, when bead returning groove 121
When relative with the lock-bit through hole 15 of outer tube 1, locking ball 3 can enter described bead returning groove 121, so as to trigger unblock, also ensure that
Can polishing system and recovery system reliable separation.
Claims (5)
1. a kind of deep-sea untethered sampler unlocking mechanism, it is characterised in that：It includes inner and outer tubes, and inner tube is placed in outer tube；
Described outer tube outer wall, top is fixed with circumferential boss, and middle part socket unlocks sleeve pipe, and bottom is provided with triggering device；Institute
The unblock sleeve pipe and triggering device stated are not connected with, and can be in outer tube outer wall lower slider vertically；
Described outer tube wall stage casing is circumferentially uniformly arranged at least two lock-bit through hole, the circumferentially arranged lock of described Inner pipe outer walls
Position groove or expanding lock-bit hole, the lock-bit hole of inner and outer pipes and lock-bit groove dock in each space to be formed and are designed with locking ball, be used for
The relative position of inner and outer pipes is locked, makes that between inner and outer pipes relative displacement can not be produced；Along week in the middle part of described unblock internal surface of sleeve pipe
To provided with the bead returning groove for being enough to accommodate whole locking ball；Described triggering device bottom is provided with triggering ring, triggering ring anchor ring and institute
State the axially vertical of unblock sleeve pipe；Being provided with the top of described triggering device can be with the promotion pipe for unlocking casing-contact；It is described
Triggering ring be fixedly connected with described promotion pipe by connecting rod；When described locking ball locks the position of inner and outer pipes, by institute
Unblock internal surface of sleeve pipe and the lock-bit hole of inner and outer pipes and lock-bit groove above the bead returning groove stated fix locking ball jointly；Described moves back pearl
Groove is located at below locking ball, and described unlock the distance between sleeve upper end and described circumferential boss lower edge is more than bead returning groove
The distance between with locking ball.
2. the unlocking mechanism described in claim 1, it is characterised in that：Enter one between described unblock sleeve pipe and described triggering ring
At least 2 piece nonelastic fusible drawing cables and 1 group compression spring of the step provided with equal length；1 group of described compression spring is placed on
Outside described promotion pipe, described unblock sleeve outer wall is fixed in described fusible drawing cable one end, and the other end is fixed
In described triggering ring top exterior walls, and described fusible drawing length of cable is less than the natural length of compression spring, described
Fusible drawing length of cable and compression spring natural length difference be more than between described bead returning groove and locking ball hang down
Straight distance；Described triggering ring bottom is provided with fusing timer, for connecting the molten of fusible drawing cable after the scheduled time
Deenergizing.
3. the unlocking mechanism described in claim 2, it is characterised in that：It includes outer tube (1) and inner tube (2), and inner tube (2) is placed on outer
Manage in (1)；
Described outer tube (1) outer wall, top is fixed with circumferential boss (11), and middle part socket unlocks sleeve pipe (12), and bottom is provided with
Triggering device；Described unblock sleeve pipe (12) and triggering device can be in outer tube outer wall lower sliders vertically；
Described outer tube (1) tube wall stage casing is circumferentially uniformly arranged 4 lock-bit through holes (15), and Inner pipe (2) outer walls circumferentially set lock
It is designed with position groove (22), each space of lock-bit groove (22) the docking formation of lock-bit through hole (15) and the Inner pipe (2) of outer tube (1)
(1) locking ball (3), for locking inner and outer pipes relative position, make that between inner and outer pipes relative displacement can not be produced；Described unblock
Sleeve pipe (12) inwall is circumferentially arranged with bead returning groove (121), and described triggering device, bottom is plate-like triggering ring (131) and card
It is axially vertical with unlocking mechanism, more than bottom provided with the promotion pipe (132) that can be contacted with unblock sleeve pipe (12)；Described lock-bit
When pearl (3) locks the position of inner and outer pipes, described bead returning groove (121) is located at below locking ball (3), described unblock sleeve pipe (12)
Upper limb and described circumferential boss (11) lower edge spacing be more than between described bead returning groove (121) and locking ball (3) it is vertical away from
From；
4 that equal length is further provided between described unblock sleeve pipe (12) and described triggering ring (131) are nonelastic fusible
Disconnected drawing cable (133) and 1 group of compression spring (14)；1 group of described compression spring (14) is placed on described promotion pipe (132) outside
Described unblock sleeve pipe (12) outer wall is fixed in portion, described fusible drawing cable (133) one end, and the other end is fixed on described
Triggering ring (131) top exterior walls, and described fusible drawing cable (133) length is less than the natural of compression spring (14) and grows
Degree, described fusible drawing cable (133) length and the difference of compression spring (14) natural length is more than described bead returning groove
(121) vertical range between locking ball (3)；Described triggering ring (131) bottom is used for provided with fusing timer (134)
The Zapping circuit of fusible drawing cable (133) is connected after the scheduled time.
4. the unlocking mechanism described in claim 2, it is characterised in that：It includes outer tube (1) and inner tube (2), and inner tube (2) is placed on outer
Manage in (1)；
Described outer tube (1) outer wall, top is fixed with circumferential boss (11), and middle part socket unlocks sleeve pipe (12), and bottom is provided with
Triggering device；Described unblock sleeve pipe (12) and triggering device can be in outer tube outer wall lower sliders vertically；
Described outer tube (1) tube wall stage casing is circumferentially arranged with 8 lock-bit through holes (15)；On described Inner pipe (2) tube walls circumferentially
The expanding lock-bit hole 21 expanded from inside to outside provided with 8 apertures；Inner and outer pipes lock-bit hole is docked to be respectively provided with each space to be formed
One locking ball (3), for locking inner and outer pipes relative position, makes that between inner and outer pipes relative displacement can not be produced；Described unblock
Sleeve pipe (12) inwall is plate-like triggering ring (131) and card circumferentially arranged with bead returning groove (121), described triggering device bottom
It is axially vertical with unlocking mechanism, more than bottom provided with the promotion pipe (132) that can be contacted with unblock sleeve pipe (12)；Described lock-bit
When pearl (3) locks the position of inner and outer pipes, described bead returning groove (121) is located at below locking ball (3), described unblock sleeve pipe (12)
Upper limb and described circumferential boss (11) lower edge spacing be more than between described bead returning groove (121) and locking ball (3) it is vertical away from
From；
4 that equal length is further provided between described unblock sleeve pipe (12) and described triggering ring (131) are nonelastic fusible
Disconnected drawing cable (133) and 1 group of compression spring (14)；1 group of described compression spring (14) is placed on described promotion pipe (132) outside
Described unblock sleeve pipe (12) outer wall is fixed in portion, described fusible drawing cable (133) one end, and the other end is fixed on described
Triggering ring (131) top exterior walls, and described fusible drawing cable (133) length is less than the natural of compression spring (14) and grows
Degree, described fusible drawing cable (133) length and the difference of compression spring (14) natural length is more than described bead returning groove
(121) vertical range between locking ball (3)；Described triggering ring (131) bottom is described provided with fusing timer (134)
Fusing timer (134) top cover watertight socket (135) is set, watertight socket (135) passes through watertight cable (136) and fusible
Pull cable (133) connection；Described fusing timer (134) is internal, sets mechanical timer (1341), time switch electricity
Road (1342), battery (1343), power switch device (1344)；Watertight socket (135) passes through electricity in fusing timer (134)
Vehicle power switching device (1344) is electrically connected with timing switch circuit (1342).
5. any one unlocking mechanism described in claim 1-4, it is characterised in that：Described fusible abscission ring is by electric heating hydrolyzed-silk
Or corrosion cable is constituted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255403.4A CN107089309B (en) | 2017-04-19 | 2017-04-19 | A kind of untethered sampler unlocking mechanism in ejection type deep-sea |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255403.4A CN107089309B (en) | 2017-04-19 | 2017-04-19 | A kind of untethered sampler unlocking mechanism in ejection type deep-sea |
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| CN107089309A true CN107089309A (en) | 2017-08-25 |
| CN107089309B CN107089309B (en) | 2018-12-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109319067A (en) * | 2018-09-21 | 2019-02-12 | 大连理工大学 | A kind of underwater cable docking facilities |
| CN110816790A (en) * | 2018-08-14 | 2020-02-21 | 中国科学院沈阳自动化研究所 | Rope throwing mechanism of underwater robot laying and recycling system |
| CN112611604A (en) * | 2020-11-30 | 2021-04-06 | 浙江省海洋水产研究所 | Marine phytoplankton sampling device |
| CN116161204A (en) * | 2023-04-23 | 2023-05-26 | 威海职业学院(威海市技术学院) | Device and method for assisting in underwater searching and positioning |
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Cited By (7)
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| CN110816790A (en) * | 2018-08-14 | 2020-02-21 | 中国科学院沈阳自动化研究所 | Rope throwing mechanism of underwater robot laying and recycling system |
| CN110816790B (en) * | 2018-08-14 | 2023-10-31 | 中国科学院沈阳自动化研究所 | Rope throwing mechanism of underwater robot cloth-laying recovery system |
| CN109319067A (en) * | 2018-09-21 | 2019-02-12 | 大连理工大学 | A kind of underwater cable docking facilities |
| CN109319067B (en) * | 2018-09-21 | 2020-09-29 | 大连理工大学 | Underwater cable butt joint device |
| CN112611604A (en) * | 2020-11-30 | 2021-04-06 | 浙江省海洋水产研究所 | Marine phytoplankton sampling device |
| CN112611604B (en) * | 2020-11-30 | 2024-08-23 | 浙江省海洋水产研究所 | Marine phytoplankton sampling device |
| CN116161204A (en) * | 2023-04-23 | 2023-05-26 | 威海职业学院(威海市技术学院) | Device and method for assisting in underwater searching and positioning |
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