CN109751051A - A kind of underwater collecting machine structure - Google Patents
A kind of underwater collecting machine structure Download PDFInfo
- Publication number
- CN109751051A CN109751051A CN201910148523.3A CN201910148523A CN109751051A CN 109751051 A CN109751051 A CN 109751051A CN 201910148523 A CN201910148523 A CN 201910148523A CN 109751051 A CN109751051 A CN 109751051A
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- Prior art keywords
- capture
- mineral
- transfer passage
- disturbance
- plate
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- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 56
- 239000011707 mineral Substances 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007873 sieving Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 201000008827 tuberculosis Diseases 0.000 description 6
- 238000005065 mining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229940075799 deep sea Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses a kind of underwater collecting machine structures, including Hydraulic transportation mechanism, transfer passage and capture perturbation mechanism, Hydraulic transportation mechanism drives the water in transfer passage to flow from its mineral input port to mineral delivery outlet, perturbation mechanism is captured to be arranged at mineral input port, the capture perturbation mechanism includes a revolving part, it is provided with the capture disturbance plate with sieving actoion on revolving part, captures disturbance plate and is driven by revolving part and push the mineral grain below mineral input port to mineral input port.The present invention is rotated in dilute softground by the capture disturbance plate on roller, and the structure by capturing disturbance plate is designed and arranged, and is reduced and is captured resistance suffered by disturbance plate, while reducing the disturbance to dilute softground, is reduced energy consumption and is reduced environmental disruption.And Hydraulic transportation mechanism uses hydraulic structure, reduces movement parts, improves maintainability.
Description
Technical field
The invention belongs to marine mining technical field, specially a kind of underwater Ji Kuang for the acquisition of underwater polymetallic nodules
Mechanism.
Background technique
Oceanic deposit object surface layer preservation relatively rich metal nodule, it contains various metals, have very high economy open
Adopt value.And polymetallic nodules are acquired from the bottom sediment of a few km depths be completed by collecting machine structure, meanwhile, Ji Kuang
Mechanism is the completion mechanism of marine mining first working procedure, and is the important component of deepsea mining system exploitation.
Since the 1980s, the nodules collector device proposed both at home and abroad mainly has mechanical, hydraulic, three kinds of combined type.
The mechanical tuberculosis that seabed is collected using mechanical device.The representative are: band shape chain-plate type, roller chain-plate type, drum-shape
Wheel and bucket type and with shape wheel and bucket type, but mechanical nodules collector device is compared with hydraulic complexity, digs that tooth is easy to damage, and the deposit taken is too
More, for a long time, that high efficiency continuously reliably operates is difficult；The negative-pressure ward tuberculosis that hydraulic nodules collector device utilizes jet stream to generate
Ore, the disadvantage is that acquiring a large amount of bottom sediments, capacity usage ratio is low, big to environmental perturbation；Existing combined type nodules collector device,
Using the tuberculosis of double rows of nozzles acquisition, inclination carrier bar conveying, the disadvantage is that movement parts are more, structure is complicated, and operating reliability is low.
Summary of the invention
It is an object of that present invention to provide a kind of pair of marine environment to disturb underwater collecting machine low, that collection process energy consumption is low
Structure, to solve the above problems.
To achieve the above object, the invention discloses a kind of underwater collecting machine structures, including Hydraulic transportation mechanism, transfer passage
With capture perturbation mechanism, the water in Hydraulic transportation mechanism driving transfer passage is from its mineral input port to mineral delivery outlet stream
Dynamic, the captures perturbation mechanism is arranged at mineral input port, which includes a revolving part, on the revolving part
It is provided with the capture disturbance plate with sieving actoion, the capture disturbance plate will be under mineral input port by revolving part driving
The mineral grain of side pushes the mineral input port to.By having the capture disturbance plate of sieving actoion, in the same of push composition granule
When may filter that dilute softground, reduce and capture resistance suffered by disturbance plate, while reducing the disturbance to dilute softground, reduce energy consumption and reduce
Environmental disruption.
Further, the disturbance plate that captures is provided with multiple filter hole for being used to filter underwater dilute softground, the mistake
The aperture of filter opening is less than the partial size of target mineral particle, from can guarantee that dilute softground and water passes through filter hole target mineral
Grain does not pass through.
Further, the mineral input port is provided with Ji Kuang cover, and the lower end of the Ji Kuang cover is provided with towards dilute soft
First opening of substrate, in Ji Kuang cover, the capture disturbance plate extends to described first and opens for the capture perturbation mechanism setting
The lower section of mouth.Ji Kuang cover provides an installation space and mineral entrance for revolving part, is involved in mineral grain when capturing disturbance plate
Ji Kuang covers interior space, stable waterpower can be formed in Ji Kuang covers, and then mineral grain is driven to enter transfer passage.
Further, the revolving part is a roller, and the roller is hollow structure, and connection inner cavity is provided on the roller
With extraneous interface channel.It avoids mineral grain from being detained in the root for capturing disturbance plate by the biggish roller of volume, passes through it
Inside and outside connection setting avoids deepwater high-pressure from damaging roller by pressure.
Further, the mineral input port is pushed away towards the capture disturbance plate below the roller to capture disturbance plate
The mineral grain sent can be moved to mineral input port.
Further, the capture disturbance plate includes skeleton and with filter hole filter screen, the skeleton and the roller
Removable installation, the filter screen are fixed on skeleton, filter screen due to be between its filter hole it is thin-line-shaped, to dilute softground
Disturb small, and filter screen is from a wealth of sources, while the removable design of skeleton can targetedly acquire the mine of target grain size size
Composition granule.
Further, the capture disturbance plate is uniformly distributed on the revolving part, and the capture disturbance plate is crossing rolling
Discontinuously it is arranged in the plane of cylinder axis, and the capture disturbance plate in the adjacent plane for crossing cylinder axis is staggered, and is reducing
When roller rotates under the resistance of suffered dilute softground, it also can guarantee that every polymetallic nodules can be captured disturbance.
Further, the front of the Ji Kuang cover is additionally provided with the second opening, and the downside of second opening is opened with first
Mouth connection, upside extend to the top of revolving part, and the capture disturbance plate extends to outside second opening, to expand rolling
Working range on cylinder further adapts to rugged subsea environment, and the capture disturbance plate above the revolving part is bonded Ji Kuang
The top of cover is arranged, so as to prevent mineral grain from overflowing from the gap captured between disturbance plate and the top of Ji Kuang cover.
Further, the Hydraulic transportation mechanism is a spray module being mounted on the transfer passage, the water spray group
Part includes nozzle, water pump drive motor, water pump and aqueduct, and the aqueduct is mounted on transfer passage, the nozzle
Input terminal and one end of aqueduct connect, output end protrudes into transfer passage and is arranged towards mineral delivery outlet, described defeated
The other end of waterpipe is connect with one end of the water pump, and the other end of the water pump connects the water pump drive motor, thus
It is formed in transfer passage and stablizes adjustable conveying waterpower.
Further, the transfer passage includes transfer passage upper cover plate, transfer passage lower cover plate and side plate, the conveying
Channel upper cover plate, transfer passage lower cover plate and side plate form long rectangular section channel, and the output end of the nozzle is along long rectangle
The length direction in section arranges, so can drive long rectangular section length direction water with the uniform and stable conveying of same speed.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention is rotated in dilute softground by the capture disturbance plate on roller, and the structure by capturing disturbance plate
It is designed and arranged, reduces and capture resistance suffered by disturbance plate, while reducing the disturbance to dilute softground, it is broken to reduce energy consumption reduction environment
It is bad.And Hydraulic transportation mechanism uses hydraulic structure, reduces movement parts, improves maintainability.Both existing water had been solved
Energy loss is big in power formula collection mine system waterpower capture-process, and substrate disturbs big problem, also solves existing combined type Ji Kuang
The problem that mechanism is more using inclination carrier bar conveying tuberculosis bring movement parts, structure is complicated, operating reliability is low.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic front view of underwater collecting machine structure disclosed in the preferred embodiment of the present invention；
Fig. 2 is the right side view of underwater collecting machine structure disclosed in the preferred embodiment of the present invention；
Fig. 3 is the axonometric schematic diagram of spray module disclosed in the preferred embodiment of the present invention；
Fig. 4 is the operation principle schematic diagram of underwater collecting machine structure disclosed in invention preferred embodiment.
Marginal data:
1, transfer passage；2, spray module；3, nozzle；4, filter hole；5, disturbance plate is captured；6, cylinder drive motor；7,
Roller；8, transfer passage upper cover plate；9, transfer passage lower cover plate；10, side plate；11, water pump drive motor；12, water pump；13, defeated
Waterpipe；14, skeleton；15, filter screen；16, the second opening；17, the first opening；18, Ji Kuang covers；19, mineral input port；20,
Mineral delivery outlet；21, interface channel.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Figs 1-4, the invention discloses a kind of underwater collecting machine structures, including Hydraulic transportation mechanism, 1 and of transfer passage
Capture perturbation mechanism, wherein transfer passage 1 includes transfer passage upper cover plate 8, transfer passage lower cover plate 9 and two 10 shapes of side plate
At rectangle transfer passage 1, be in long rectangular cross section structure, the both ends of transfer passage 1 are mineral input port 19 and mineral delivery outlet
20, and Hydraulic transportation mechanism includes a spray module 2, spray module 2 includes water pump drive motor 11, water pump 12, nozzle 3 and defeated
Waterpipe 13, nozzle 3 is mounted on one end of aqueduct 13 and its delivery outlet protrudes into transfer passage 1, and aqueduct 13 is installed
On transfer passage 1, the other end of aqueduct 13 is connect with one end of water pump 12, the other end connection water pump driving of water pump 12
Motor 11 (for hydraulic motor).Entire spray module 2 is mounted on transfer passage 1, and the nozzle 3 of the spray module 2 is towards defeated
It send the delivery outlet in channel 1 to be arranged, when delivery outlet water spray of the nozzle 3 towards transfer passage 1, the water in transfer passage 1 can be driven
It is flowed from mineral input port 19 to mineral delivery outlet 20, and then realizes Hydraulic transportation effect.
When specific setting, the delivery outlet of nozzle 3 is in flat structure, along the length side of the long rectangular section of transfer passage 1
To arrangement, so can drive long rectangular section length direction water with the uniform and stable conveying of same speed.Capture perturbation mechanism
It is arranged in the Ji Kuang cover 18 of mineral input port 19, which includes a revolving part, is provided with and has on revolving part
The capture disturbance plate 5 of filter hole 4 captures disturbance plate 5 by following revolving part to rotate so that the mineral grain in dilute softground is defeated
Into mineral input port 19, wherein the aperture of filter hole 4 is less than the partial size of target mineral particle, from can guarantee dilute softground
Do not passed through with water by 4 target mineral particle of filter hole, reduces driving resistance and the disturbance to water body.And then target mineral
Grain is output to the relaying storehouse of feed bin and lifting system by Hydraulic transportation from mineral delivery outlet 20.Specifically, capturing perturbation mechanism
It further include a cylinder drive motor 6 (being similarly hydraulic drive motor) being mounted on Ji Kuang cover 18, revolving part is a roller 7,
The both ends of roller 7 side wall opposite with Ji Kuang cover 18 is pivotally connected and is rotated by the driving of cylinder drive motor 6, captures disturbance plate 5 and consolidates
It connects on the outer wall of roller 7.And capturing disturbance plate 5 includes external skeleton 14 and internal filter screen 15, is set on filter screen 15
It is equipped with the filter hole 4 (mesh i.e. filter hole 4) for filtering dilute softground, filter screen 15 is due to being filament between its filter hole 4
Shape, it is smaller to the disturbance of dilute softground, and filter screen 15 is from a wealth of sources, has more practical application.Skeleton 14 passes through with roller 7
Welding manner is affixed or removable connection type, in the present embodiment, skeleton 14 and roller 7 using removable connection (such as
It is bolted), the mineral grain of target grain size size can be targetedly acquired, i.e. the mineral grain of different-grain diameter size uses
Capture disturbance plate 5 with different 4 sizes of filter hole realizes precisely acquisition.Filter screen 15 is fixed on skeleton 14.
In the present embodiment, roller 7 is hollow structure, by the setting of this kind of tubular revolving part, avoids capturing disturbance plate 5
When pushing mineral grain to mineral input port 19, mineral grain, which is gathered in, captures the affixed root of disturbance plate 5.And the roller 7
On be provided with the inside and outside interface channel 21 of connection, on the one hand avoid the sealing of roller 7 from causing by deep sea hydraulic pressure break, on the other hand
Avoid the disturbance that roller 7 is excessive to dilute softground.
Meanwhile in the present embodiment, it captures disturbance plate 5 to be discontinuously staggered on crossing roller 7, that is, is crossing 7 axis of roller
Plane on be discontinuously arranged, and the capture disturbance plate 5 in the different plane for crossing 7 axis of roller is staggered.Pass through interrupted cloth
Set the resistance for reducing suffered dilute softground when roller 7 rotates, and the layout that is staggered in different sides, every polymetallic nodules of guarantee can
Be captured disturbance.
In the present embodiment, the lower section of Ji Kuang cover 18 is provided with the first opening 17, and front is provided with the second opening 16.Second
The downside of opening 16 is connected to the first opening 17, and upside extends to the top of revolving part, is captured disturbance plate 5 and is extended to the second opening
Outside 16.Wherein, a part captures disturbance plate 5 and extends to the lower section of the first opening 17, to be inserted into underwater dilute softground with will
Mineral grain therein pushes mineral input port 19 to.Meanwhile the part of 16 top of the second opening is as close to capture disturbance plate 5
It is arranged and (still maintains certain gap), thus the mine for forming biggish conveying waterpower, while being also placed into Ji Kuang cover 18
Composition granule comes out from the second opening 16.By the setting of the second opening 16, the installation of entire roller 7 is on the one hand facilitated, meanwhile,
Capture disturbance plate 5 by stretching out the second opening 16 can also play the role of excavation, to be suitable for underwater uneven
Environment, enhance collection mine ability.
In the present embodiment, Hydraulic transportation mechanism is mounted on transfer passage upper cover plate 8, it is of course possible to according to actual needs
Hydraulic transportation mechanism is mounted on transfer passage lower cover plate 9 or transfer passage upper cover plate 8 and transfer passage lower cover plate 9
Two sides are respectively mounted.
The specific course of work is as follows: polymetallic nodules preservation on dilute softground or partly bury or bury entirely, due to depth
The dilute softground surface layer in sea is especially dilute soft, and shear strength is almost nil.When work, this collecting machine structure be installed on marine mining vehicle or
The front end (being attached thereto by connecting rod and oil cylinder) of sampler.When collecting machine structure acquires tuberculosis, pass through mining vehicle or sampler control
Capture disturbance plate 5 on collecting machine structure roller 7 processed is inserted into dilute softground.Roller 7 is done under the driving of cylinder drive motor 6 to be rotated
Movement captures disturbance plate 5 and rotates in dilute softground, and dilute softground is flowed away by capturing the filter hole 4 in disturbance plate 5, mostly golden
Belong to tuberculosis and moves to mineral input port 19 under the action of capturing disturbance plate 5, in transfer passage 1 under the drive of upward water flow,
To the ionized motion of transfer passage 1, the relaying storehouse of feed bin and lifting system is finally output to from mineral delivery outlet 20.Due to only
It captures disturbance plate 5 to rotate in dilute softground, and the structure by capturing disturbance plate 5 is designed and arranged, and is reduced and is captured disturbance
Resistance suffered by plate 5, while the disturbance to substrate is reduced, it reduces energy consumption and reduces environmental disruption.And Hydraulic transportation mechanism uses waterpower
Formula structure reduces movement parts, improves maintainability.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of underwater collecting machine structure, including Hydraulic transportation mechanism, transfer passage (1) and capture perturbation mechanism, which is characterized in that
Water in Hydraulic transportation mechanism driving transfer passage (1) is flowed from its mineral input port (19) to mineral delivery outlet (20),
The capture perturbation mechanism is arranged at mineral input port (19), which includes a revolving part, the revolving part
On be provided with the capture disturbance plate (5) with sieving actoion, the capture disturbance plate (5) is driven by the revolving part by mineral
Mineral grain below input port (19) pushes the mineral input port (19) to.
2. underwater collecting machine structure according to claim 1, which is characterized in that the capture disturbance plate (5) is provided with multiple
For filtering the filter hole (4) of underwater dilute softground, the aperture of the filter hole (4) is less than the partial size of target mineral particle.
3. underwater collecting machine structure according to claim 2, which is characterized in that the mineral input port (19) is provided with a collection
Mine cover (18), the lower end of the Ji Kuang cover (18) are provided with towards the first of dilute softground and are open (17), the capture disturbance machine
Structure setting is in Ji Kuang cover (18), the lower section for capturing disturbance plate (5) and extending to first opening (17).
4. underwater collecting machine structure according to claim 3, which is characterized in that the revolving part is a roller (7), the rolling
Cylinder (7) is hollow structure, and connection inner cavity and extraneous interface channel (21) are provided on the roller (7).
5. underwater collecting machine structure according to claim 4, which is characterized in that the mineral input port (19) is towards the rolling
Capture disturbance plate (5) below cylinder (7).
6. according to any underwater collecting machine structure of claim 4-5, which is characterized in that the capture disturbance plate (5) includes
Skeleton (14) and have filter hole (4) filter screen (15), the skeleton (14) and the roller (7) removable installation, the mistake
Strainer (15) is fixed on skeleton (14).
7. according to any underwater collecting machine structure of claim 4-5, which is characterized in that the capture disturbance plate (5) is in institute
State uniformly distributed on revolving part, and capture disturbance plate (5) are discontinuously arranged in the plane for crossing roller (7) axis, and adjacent
Cross roller (7) axis plane on capture disturbance plate (5) be staggered.
8. underwater collecting machine structure according to claim 3 or 4, which is characterized in that the front of the Ji Kuang cover (18) is also set
It is equipped with the second opening (16), the downside of second opening (16) is connected to the first opening (17), and upside extends to revolving part
Top, the capture disturbance plate (5) extend to second opening (16) outside, the capture disturbance plate (5) above the revolving part
It is bonded the top setting of Ji Kuang cover (18).
9. underwater collecting machine structure according to claim 1 to 4, which is characterized in that the Hydraulic transportation mechanism is a peace
Spray module (2) on the transfer passage (1), the spray module (2) include nozzle (3), water pump drive motor (11),
Water pump (12) and aqueduct (13), the aqueduct (13) are mounted on transfer passage (1), the input of the nozzle (3)
End is connect with one end of aqueduct (13), and output end protrudes into transfer passage (1) and is arranged towards mineral delivery outlet (20), institute
The other end for stating aqueduct (13) is connect with one end of the water pump (12), and the other end of the water pump (12) connects the water
Pump drive motor (11).
10. underwater collecting machine structure according to claim 9, which is characterized in that the transfer passage (1) includes transfer passage
Upper cover plate (8), transfer passage lower cover plate (9) and side plate (10), the transfer passage upper cover plate (8), transfer passage lower cover plate (9)
Long rectangular section channel is formed with side plate (10), the output end of the nozzle (3) is arranged along the length direction of long rectangular section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148523.3A CN109751051B (en) | 2019-02-28 | 2019-02-28 | Underwater ore collecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148523.3A CN109751051B (en) | 2019-02-28 | 2019-02-28 | Underwater ore collecting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN109751051A true CN109751051A (en) | 2019-05-14 |
| CN109751051B CN109751051B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910148523.3A Active CN109751051B (en) | 2019-02-28 | 2019-02-28 | Underwater ore collecting mechanism |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005727A (en) * | 2019-11-20 | 2020-04-14 | 中国海洋大学 | Hydraulic and mechanical combined type seafloor mining equipment |
| CN111022055A (en) * | 2019-11-20 | 2020-04-17 | 中国海洋大学 | Hydraulic jet type seabed polymetallic nodule collecting device and method |
| CN112983426A (en) * | 2021-03-10 | 2021-06-18 | 中国海洋大学 | Crab-claw-like deep-sea mining ore collecting head |
| CN116988794A (en) * | 2023-09-28 | 2023-11-03 | 长沙矿冶研究院有限责任公司 | Negative pressure acquisition head and negative pressure acquisition equipment |
| CN117005869A (en) * | 2023-10-07 | 2023-11-07 | 长沙矿冶研究院有限责任公司 | Prevent underwater ore collecting device of tuberculosis card stopper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005727A (en) * | 2019-11-20 | 2020-04-14 | 中国海洋大学 | Hydraulic and mechanical combined type seafloor mining equipment |
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| CN111022055B (en) * | 2019-11-20 | 2021-03-23 | 中国海洋大学 | Hydraulic jet type seabed polymetallic nodule collecting device and method |
| CN112983426A (en) * | 2021-03-10 | 2021-06-18 | 中国海洋大学 | Crab-claw-like deep-sea mining ore collecting head |
| CN112983426B (en) * | 2021-03-10 | 2021-12-24 | 中国海洋大学 | Crab-claw-like deep-sea mining ore collecting head |
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| CN116988794B (en) * | 2023-09-28 | 2024-02-20 | 长沙矿冶研究院有限责任公司 | Negative pressure acquisition head and negative pressure acquisition equipment |
| CN117005869A (en) * | 2023-10-07 | 2023-11-07 | 长沙矿冶研究院有限责任公司 | Prevent underwater ore collecting device of tuberculosis card stopper |
| CN117005869B (en) * | 2023-10-07 | 2024-02-20 | 长沙矿冶研究院有限责任公司 | Prevent underwater ore collecting device of tuberculosis card stopper |
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| CN109751051B (en) | 2024-03-22 |
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