CN106979868A - A kind of trigger-type benthal deposit sampling apparatus - Google Patents
A kind of trigger-type benthal deposit sampling apparatus Download PDFInfo
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- CN106979868A CN106979868A CN201710309204.7A CN201710309204A CN106979868A CN 106979868 A CN106979868 A CN 106979868A CN 201710309204 A CN201710309204 A CN 201710309204A CN 106979868 A CN106979868 A CN 106979868A
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to sample devices field, and disclose a kind of trigger-type benthal deposit sampling apparatus, including frame, triggering combined mechanism and sampling mechanism, triggering combined mechanism includes storing force mechanisms and trigger mechanism, storing force mechanisms includes the first shell, power spring, handwheel, storage power rocking bar, gear and rack, and trigger mechanism includes second housing and the first position-limit mechanism；Sampling mechanism includes sampling cylinder, linkage, cap liner and the second position-limit mechanism, cap liner is hinged on sampling cylinder and is also articulated on linkage, for blocking the bottom of the sampling cylinder, second position-limit mechanism is arranged in the frame, for limiting the displacement of the linkage.The storage force mechanisms and trigger mechanism of this sampling apparatus, which coordinate, can allow sampling cylinder is deeply water-bed to be sampled, sampling is convenient, and linkage can drive cap liner rotation to seal sampling cylinder, can accurately and efficiently realize that sealing is acted, it is not required to worry destruction of the hard material to sampling cylinder.
Description
Technical field
The invention belongs to sample devices field, more particularly, to a kind of trigger-type benthal deposit sampling apparatus.
Background technology
Benthal deposit sampling suffers from important meaning for environmental monitoring and resource exploration, accordingly, it would be desirable to which one kind is just
In dismounting, it is easy and effective, beneficial to field operation, highly reliable benthal deposit sampling apparatus, while it should meet sampling
Depth is larger, less require is disturbed to underwater environment.In existing sediment collector, Grab-type sediment sampler and case
Formula sediment sampler volume is larger, larger to bottom disturbance, it is difficult to accomplish lossless sealing sampling；General bar inserts formula deposit
The depth that sampler, column shaped deposit sampling instrument insert soil is limited, is only applicable to the softer deposit of quality；Vibrating sampler
The larger deposit of hardness can be gathered, but its volume is larger and energy supply is inconvenient under water.In addition, the water of current Purely mechanical
Though bottom sediment sampling apparatus does not need the driving of the exogenous powers such as electric power, sampling is triggered automatically when sampling apparatus reaches the bottom,
Due to the complexity of underwater environment, sampling failure is easily caused in the case of not knowing whether sampling location is suitable or heavily fortified point is encountered
Hard species damages sampling cylinder.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of sampling of trigger-type benthal deposit
Device, its is highly reliable, and elastic force, trigger mechanism are accumulated by storing the power spring of force mechanisms and is driven come the elastic force of release spring
Sampling mechanism movement, sampling mechanism are sampled, so as to realize the control to the sampling work of sampling apparatus.
To achieve the above object, it is proposed, according to the invention, there is provided a kind of trigger-type benthal deposit sampling apparatus, its feature exists
In, including frame, storage force mechanisms, trigger mechanism and sampling mechanism, wherein,
The storage force mechanisms include the first shell, power spring, handwheel, storage power rocking bar, gear and rack, the triggering machine
Structure includes second housing and the first position-limit mechanism on the second housing, and first shell and second housing are solid
Dingan County is in the frame and the top of first shell is provided with top cover, and the top of the power spring is fixedly mounted
The storage power rocking bar is installed on the bottom of the top cover, the handwheel, the storage power rocking bar may be rotatably mounted at described second
On shell, first position-limit mechanism is used to limit the rotation of the storage power rocking bar or releases the limit rotated to the storage power rocking bar
System, the gear is arranged on the storage power rocking bar, and the rack is engaged with the gear；
The sampling mechanism includes sampling cylinder, linkage, cap liner and the second position-limit mechanism, the top of the sampling cylinder
The bottom of power spring and the bottom of the rack are connected respectively, and the linkage is arranged in the frame, the sealing
Piece is hinged on the bottom of the sampling cylinder and is also articulated on the linkage, for after sampling with the connecting rod machine
Structure coordinates the bottom for blocking the sampling cylinder, and second position-limit mechanism is arranged in the frame, described for limitation
The displacement of linkage.
Preferably, first position-limit mechanism includes ratchet, ratchet, driving lever, hinge bar, position-limited box, push rod, triggering motor
With triggering spring, the ratchet is arranged on the storage power rocking bar, and the ratchet is arranged on one end of the driving lever, for control
The rotation of the ratchet is made, the driving lever is arranged on the hinge bar, and the hinge bar is hinged by the hinge being vertically arranged
On the inwall of the second housing, the position-limited box is arranged on the second housing, and the other end of the driving lever passes through institute
Position-limited box is stated, the top of the position-limited box sets jagged, one end of the push rod is connected in the rotating shaft of the triggering motor,
The other end of the push rod is stretched into the position-limited box and the end is provided with the position corresponding to the breach and lacked with described
The first positive stop lug boss that mouth coordinates, the triggering spring is installed on the push rod and it is located at the boss and the driving lever
Between, for promoting the driving lever to be rotated around the hinge, so that the ratchet limits the rotation of the ratchet or makes institute
Rotation of the ratchet releasing to the ratchet is stated to limit.
Preferably, the linkage includes first connecting rod, second connecting rod and third connecting rod, and the first connecting rod is set vertically
Put and through the frame, the upper end of the first connecting rod is provided with the second positive stop lug boss, connect for limiting described first
The downward shift motion of bar, the upper end of the second connecting rod is hinged on the lower end of the first connecting rod, the third connecting rod it is upper
End is hinged on the lower end of the second connecting rod, and the lower end of the third connecting rod is hinged the cap liner.
Preferably, second position-limit mechanism includes big envelope and expansion button, and the big envelope is fixedly mounted in the frame,
The expansion button is arranged in the big envelope, and the expansion button has big end and small end, and the first connecting rod passes through the expansion
Detain and be vertically arranged with multiple translots along the first connecting rod, for coordinating limitation described with the small end of the expansion button
The movement of first connecting rod.
Preferably, the top of the sampling cylinder has set up spring supporting bar and the spring supporting bar is described in
The top cover of first housing top end, the power spring is installed on the spring supporting bar.
Preferably, the frame includes support frame and the upper support platform being commonly mounted on support frame as described above, middle support
Platform and lower support platform, the second housing and the first shell are separately mounted in the middle support platform, the storage power bullet
Spring passes through the through hole for being provided with the middle support platform, the lower support platform and being easy to the sampling cylinder movement.
Preferably, the middle support platform and lower support platform are linked together by many middle studdles.
Preferably, the sampling cylinder includes outer barrel and inner cylinder, and the outer barrel includes the left side half by gemel connection together
Cylinder and half, the right side, the inwall of the outer barrel is provided with the support rim for accepting the inner cylinder.
Preferably, it is provided with Underwater Camera in the frame.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
1) the storage force mechanisms of this sampling apparatus and trigger mechanism coordinate, by pinion and rack drive sampling cylinder move up and
Compress power spring and carry out storage power, moved by triggering motor control push rod and driving lever, ratchet and pawl arrangement realization pair can be made
The limitation that the limitation and releasing of pawl wheel are rotated to ratchet mechanism, sampling cylinder deeply can be sampled at the bottom, sampling side
Just, and linkage can drive cap liner rotate come to sampling cylinder seal, can accurately and efficiently realize sealing act, no
Destruction of the hard material to sampling cylinder need to be worried.
2), can be after suitable sampling location be selected, by automatically controlled triggering, so as to realize in water by Underwater Camera
The sampling work of face real-time control sampling apparatus, it is ensured that the reliability and accuracy of whole sampling process.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of trigger mechanism in the present invention；
Fig. 3 is the structural representation of sampling mechanism in the present invention；
Fig. 4 is the detailed schematic of damping mechanism in the present invention；
Fig. 5 is the structural representation of expansion button in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
1~Fig. 5 of reference picture, a kind of trigger-type benthal deposit sampling apparatus, including frame 37, storage force mechanisms 3, triggering machine
Structure 4 and sampling mechanism 38, wherein,
The storage force mechanisms 3 include the first shell 2, power spring 19, handwheel 5, storage power rocking bar 6, gear and rack 1, institute
Stating trigger mechanism 4 includes second housing 22 and the first position-limit mechanism on the second housing 22, first shell 2
It is fixedly mounted in the frame 37 with second housing 22 and the top of first shell 2 is provided with top cover 39, it is described
The top of power spring 19, which is fixedly mounted on the bottom of the top cover 39, the handwheel 5, installs the storage power rocking bar 6, described
Store power rocking bar 6 to may be rotatably mounted on the second housing 22, first position-limit mechanism is used to limit the storage power rocking bar 6
Rotate or release the limitation rotated to the storage power rocking bar 6, the gear is arranged on the storage power rocking bar 6, the rack 1 with
The gear engagement；
The sampling mechanism 38 includes sampling cylinder, linkage, the position-limit mechanism 9 of cap liner 12 and second, the sampling cylinder
Top connect the bottom of power spring 19 and the bottom of the rack 1 respectively, the linkage is arranged on the frame 37
On, the cap liner 12 is hinged on the bottom of the sampling cylinder and is also articulated on the linkage, in sampling
Coordinate the bottom for blocking the sampling cylinder with the linkage afterwards, second position-limit mechanism 9 is arranged on the frame 37
On, for limiting the displacement of the linkage.
As a preferred embodiment, first position-limit mechanism includes ratchet 23, ratchet 24, driving lever 25, hinge bar, position-limited box
36th, push rod 27, triggering motor 28 and triggering spring 26, the ratchet 23 are arranged on the storage power rocking bar 6, and the ratchet 24 is pacified
Mounted in one end of the driving lever 25, for controlling the rotation of the ratchet 23, the driving lever 25 is arranged on the hinge bar,
The hinge bar is hinged on by the hinge being vertically arranged on the inwall of the second housing 22, and the position-limited box 36 is arranged on institute
State on second housing 22, the other end of the driving lever 25 passes through the position-limited box 36, the top of the position-limited box 36 is provided with scarce
Mouthful, one end of the push rod 27 is connected in the rotating shaft of the triggering motor 28, and the other end of the push rod 27 stretches into the limit
Position box 36 is interior and the end is provided with the first positive stop lug boss 31 coordinated with the breach, institute in the position corresponding to the breach
State triggering spring 26 be installed on the push rod 27 and its be located between the boss and the driving lever 25, for promote institute
State driving lever 25 to rotate around the hinge, so that the ratchet 24 limits the rotation of the ratchet 23 or releases the ratchet 24
Rotation limitation to the ratchet 23.In addition, as it is another preferably, the first position-limit mechanism can also be matched somebody with somebody using cylinder with catch
The structure of conjunction, cylinder is arranged on second housing 22, and catch, which is arranged on, to be stored on power rocking bar 6, also can be right by the movement of piston rod
The rotation for storing power rocking bar 6 is locked and unlocked.
Further, the linkage includes first connecting rod 7, second connecting rod 10 and third connecting rod 11, the first connecting rod 7
It is vertically arranged and through the frame 37, the upper end of the first connecting rod 7 is provided with the second positive stop lug boss 32, for limitation
The downward shift motion of the first connecting rod 7, the upper end of the second connecting rod 10 is hinged on the lower end of the first connecting rod 7, institute
The upper end for stating third connecting rod 11 is hinged on the lower end of the second connecting rod 10, and the lower end of the third connecting rod 11 is hinged the sealing
Piece 12.As a preferred embodiment, second position-limit mechanism 9 includes big envelope 33 and expansion button 34, the big envelope 33 is fixedly mounted on
In the frame 37, the expansion button 34 is arranged in the big envelope 33, and the expansion button 34 has big end and a small end, and described the
One connecting rod 7 through the expansion button 34 and being vertically arranged with multiple translots 35 along the first connecting rod 7, for it is described
The small end of expansion button 34 coordinates the movement of the limitation first connecting rod 7.Second positive stop lug boss 32 is moved down into and the big envelope
First connecting rod 7 can be just limited during 33 contact to continue to be moved downwardly.
In addition, the second position-limit mechanism 9 is it is also an option that the structure of electrical part cooperation fixture, controls fixture to allow by electrical part
Fixture clamps first connecting rod 7, so as to be carried out when first connecting rod 7 is moved to setting position spacing.
Further, the top of the sampling cylinder has set up spring supporting bar 21, and the spring supporting bar 21 is worn
The top cover 39 on the top of the first shell 2 is crossed, the power spring 19 is installed on the spring supporting bar 21.
Further, the frame 37 includes support frame 18 and the upper support platform being commonly mounted on support frame as described above 18
20th, middle support platform 17 and lower support platform 15, support frame 18 surround tetrahedron shape, the shell of second housing 22 and first
2 are separately mounted in the middle support platform 17, and the power spring 19 passes through the middle support platform 17, and the lower support is flat
The through hole for being easy to the sampling cylinder movement is provided with platform 15.In addition, being also equipped with nylon rail wheel 13, Buddhist nun on support frame 18
The wall contacts of imperial rail wheel 13 and sampling cylinder, can prevent the shake of sampling cylinder and moving up and down for sampling cylinder is led
To.
Further, the middle support platform 17 and lower support platform 15 are linked together by many middle studdles 16.
Further, the sampling cylinder includes outer barrel 30 and inner cylinder, and the outer barrel 30 is included by gemel connection together
Left half 8 and right half 29, the inwall of the outer barrel 30 is provided with the support rim for accepting the inner cylinder.
Further, Underwater Camera is provided with the frame 37, it is so convenient to understand situation under water.
In order to prevent sampling cylinder in sampling dropping process, the drivening rod mechanism that meets obstructions of cap liner 12 is sealed in advance,
The second position-limit mechanism 9 is provided with the lateral wall of the outer barrel, while increase translot 35 in the side of the first connecting rod 7,
The expansion button 34 of second position-limit mechanism 9 is a rigid sheet, before sampling, due to the damping action of expansion button 34, described envelope
When mouthful piece 12 runs into smaller resistance in dropping process of sampling and drives the third connecting rod 11 to rotate, the first connecting rod 7 can only
Uniaxially motion down and it can be inflated small end of button 34 and enter limitation in translot 35 and locked upwards, thus will not seal in advance
Mouthful, after sampling terminates, manually lay down second position-limit mechanism 9.
Described cap liner 12 is in flake, before sampling is started, and the cap liner 12 keeps vertical state, in sampling process
In, described cap liner 12 gradually blocks the outer barrel 30 of the sampling cylinder, is entrenched togather to realize that sealing is acted on, is sampling
When being extracted on into, whole device toward the water surface, described cap liner 12 is always maintained at sealing state.
Before formally entering to be advanced into water-bed sampling, open left half 8 with it is right half 29, inner cylinder is put into outer barrel 30,
Then cylindrical shape is enclosed with right half 29 by left half 8, is then fixed with locking device.Preliminary preparation is completed
Afterwards, sampling work is then formally proceeded by.
It is to store the power stage, it is necessary to lay in enough elastic potential energys to power spring 19 first, is aboard ship rotated by manpower
Handwheel 5, store power rocking bar 6 rotation drive under, gear 3 is started working with carry-over bar 1, thus rack 1 again drive sampling cylinder to
Upper movement, compression power spring 19 carries out storage power, stores after the completion of power, shakes driving lever 25 so that ratchet 24 is pushed on ratchet 23, this
When ratchet 23 and store power rocking bar 6 counter rotational movement it is locked by ratchet 24, the gear 3 then stored on power rocking bar 6 is also reversed
It is locked, so as to prevent that storing power rocking bar 6 inverts and prevent power spring 19 from rebounding.
Followed by the release sample devices stage, whole sampling apparatus is put into water when making to fall in water under its is slow, can
To distinguish water-bed situation by supporting Underwater Camera, when currently water-bed sampling environment is poor, sampling boat continues to move ahead directly
To land are begun to when searching out suitable sampling location, three legs 14 are inserted into benthal deposit, wait water surface control
Personnel provide sampling instruction.
Followed by triggering sample phase, when signal is by cable transmission to trigger mechanism, trigger mechanism receives sampling and referred to
After order, the control push rod 27 of triggering motor 28 of triggering part rotates to an angle, so that the first positive stop lug boss 31 on push rod 27
The breach of position-limited box 36 is rotated out of, the triggering spring 26 that compressive state is now constantly in originally drives push rod 27 to eject forward,
Its motive force is acted on driving lever 25, so that driving lever 25 rotates and drives the ratchet 24 on ratchet 23 to leave ratchet 23, stores power
The counter rotational movement of rocking bar 6 is unlocked, the release elastic potential energy of power spring 19, and whole sampling mechanism is in gravity and stores power bullet
Moved downward under the double action of the elastic potential energy of spring 19, left half 8, right half 29 and internal inner cylinder by it is rapid launched into
In benthal deposit, after benthal deposit enters inner cylinder certain depth, because the top of first connecting rod 7 is spacing provided with second
Boss 32, second positive stop lug boss 32 contacts with big envelope 33 and causes first connecting rod 7 not continue to move downward, and sampling cylinder is also
Continuing to move down, now just making first connecting rod 7 and sampling cylinder that there is relative motion, second connecting rod 10 and third connecting rod 11
Cap liner 12 is driven to seal outer barrel 30.
It it is finally the sampling completion stage, when under water, sampling work is completed, whole sampling apparatus is lifted onto ship by hawser
When, the inner cylinder for the deposit for being collected predetermined volumes is taken out, the inner cylinder then more renewed then can be again again to storing power bullet
Spring 19 carries out storage power, meanwhile, allow big envelope 33 to leave expansion button 34 so that expansion button 34 unclamps first connecting rod 7, then by first
The movement of connecting rod 7 recovers to initial position.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (9)
1. a kind of trigger-type benthal deposit sampling apparatus, it is characterised in that including frame, store force mechanisms, trigger mechanism and adopt
Model machine structure, wherein,
The storage force mechanisms include the first shell, power spring, handwheel, storage power rocking bar, gear and rack, the trigger mechanism bag
Include second housing and the first position-limit mechanism on the second housing, the fixed peace of first shell and second housing
In the frame and the top of first shell is provided with top cover, the top of the power spring is fixedly mounted on institute
State and the storage power rocking bar is installed on the bottom of top cover, the handwheel, the storage power rocking bar may be rotatably mounted at the second housing
On, first position-limit mechanism is used to limit the rotation of the storage power rocking bar or releases the limitation rotated to the storage power rocking bar,
The gear is arranged on the storage power rocking bar, and the rack is engaged with the gear；
The sampling mechanism includes sampling cylinder, linkage, cap liner and the second position-limit mechanism, and the top of the sampling cylinder is distinguished
The bottom of power spring and the bottom of the rack are connected, the linkage is arranged in the frame, the cap liner hinge
It is connected on the bottom of the sampling cylinder and is also articulated on the linkage, for matches somebody with somebody after sampling with the linkage
The bottom for blocking the sampling cylinder is closed, second position-limit mechanism is arranged in the frame, for limiting the connecting rod
The displacement of mechanism.
2. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that described first is spacing
Mechanism includes ratchet, ratchet, driving lever, hinge bar, position-limited box, push rod, triggering motor and triggering spring, and the ratchet is arranged on institute
State on storage power rocking bar, the ratchet is arranged on one end of the driving lever, for controlling the rotation of the ratchet, the driving lever peace
On the hinge bar, the hinge bar is hinged on by the hinge being vertically arranged on the inwall of the second housing, described
Position-limited box is arranged on the second housing, and the other end of the driving lever passes through the position-limited box, and the top of the position-limited box is set
Breach is equipped with, one end of the push rod is connected in the rotating shaft of the triggering motor, and the other end of the push rod stretches into the limit
In the box of the position and end is provided with the first positive stop lug boss coordinated with the breach in the position corresponding to the breach, described tactile
Hair spring is installed on the push rod and it is located between the boss and the driving lever, for promoting the driving lever around institute
Hinge rotation is stated, so that the rotation that the ratchet limits the rotation of the ratchet or makes the ratchet release to the ratchet is limited
System.
3. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that the linkage
Including first connecting rod, second connecting rod and third connecting rod, the first connecting rod is vertically arranged and passes through the frame, described first
The upper end of connecting rod is provided with the second positive stop lug boss, for limiting the shift motion that the first connecting rod is downward, and described second connects
The upper end of bar is hinged on the lower end of the first connecting rod, and the upper end of the third connecting rod is hinged on the lower end of the second connecting rod,
The lower end of the third connecting rod is hinged the cap liner.
4. a kind of trigger-type benthal deposit sampling apparatus according to claim 3, it is characterised in that described second is spacing
Mechanism includes big envelope and expansion button, and the big envelope is fixedly mounted in the frame, and the expansion button is arranged in the big envelope,
The expansion button has big end and small end, and the first connecting rod is set through the expansion button and along the longitudinal direction of the first connecting rod
Multiple translots are equipped with, for coordinating the movement of the limitation first connecting rod with the small end of the expansion button.
5. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that the sampling cylinder
Top sets up spring supporting bar and the spring supporting bar passes through the top cover of first housing top end, the storage power
Spring is installed on the spring supporting bar.
6. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that the frame includes
Support frame and the upper support platform being commonly mounted on support frame as described above, middle support platform and lower support platform, outside described second
Shell and the first shell are separately mounted in the middle support platform, the power spring pass through the middle support platform, it is described under
The through hole for being easy to the sampling cylinder movement is provided with support platform.
7. a kind of trigger-type benthal deposit sampling apparatus according to claim 6, it is characterised in that the middle support is flat
Platform and lower support platform are linked together by many middle studdles.
8. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that the sampling cylinder bag
Outer barrel and inner cylinder are included, the outer barrel is included by half, the left side of gemel connection together and half, the right side, and the inwall of the outer barrel is set
It is equipped with the support rim for accepting the inner cylinder.
9. a kind of trigger-type benthal deposit sampling apparatus according to claim 1, it is characterised in that set in the frame
It is equipped with Underwater Camera.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309204.7A CN106979868B (en) | 2017-05-04 | 2017-05-04 | Triggering type underwater sediment sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309204.7A CN106979868B (en) | 2017-05-04 | 2017-05-04 | Triggering type underwater sediment sampling device |
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| CN106979868B CN106979868B (en) | 2023-06-02 |
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| CN107966319A (en) * | 2017-11-24 | 2018-04-27 | 王超 | A kind of deep-well sampling of ground water harvester |
| CN108444752A (en) * | 2018-05-04 | 2018-08-24 | 浙江工业大学 | A kind of long-range underwater sediment(s) sampling apparatus of bank base and its method of sampling |
| CN108827687A (en) * | 2018-09-12 | 2018-11-16 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of high dam depth library column core of sediments acquisition device based on acoustic vibration |
| CN109724833A (en) * | 2019-02-14 | 2019-05-07 | 河海大学 | A kind of water body deposit sampling apparatus of controllable sample volume |
| CN110455573A (en) * | 2019-07-08 | 2019-11-15 | 青岛海洋地质研究所 | Halmeic deposit cannulated in situ device |
| CN111855266A (en) * | 2020-07-08 | 2020-10-30 | 上海大学 | Sediment sampler |
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| CN113606815A (en) * | 2021-09-15 | 2021-11-05 | 河北纳森人工环境有限公司 | Environment-friendly ultra-low temperature air source heat pump |
| CN117268847A (en) * | 2023-09-26 | 2023-12-22 | 国家海洋局北海海洋工程勘察研究院 | Anti-pollution marine geological prospecting appearance case |
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