CN107328601B - Submarine surface solid mineral sampling device and sampling method - Google Patents
Submarine surface solid mineral sampling device and sampling method Download PDFInfo
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- CN107328601B CN107328601B CN201710602114.7A CN201710602114A CN107328601B CN 107328601 B CN107328601 B CN 107328601B CN 201710602114 A CN201710602114 A CN 201710602114A CN 107328601 B CN107328601 B CN 107328601B
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- 238000005070 sampling Methods 0.000 title claims abstract description 86
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 46
- 239000011707 mineral Substances 0.000 title claims abstract description 46
- 239000007787 solid Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003801 milling Methods 0.000 claims abstract description 65
- 238000012876 topography Methods 0.000 claims abstract description 36
- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 238000011835 investigation Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to a submarine surface solid mineral sampling device and a sampling method. The sampling device comprises a main body frame, a rail car, a crushing and collecting device, a traction device, an acoustic imaging system and a hydraulic system. The main body frame is the structural main body of the whole sampling device, and all relevant parts of the sampling device are installed and fixed on the main body frame. The crushing acquisition device is installed on the crushing acquisition device railcar through the traction seat, the acoustic imaging system is installed on the acoustic array railcar, and the two are driven by the hydraulic system to cooperate with operation on the main body frame, so that the micro-topography guided self-adaptive sampling operation of the crushing acquisition device is realized. According to the submarine surface solid mineral sampling device, the topography map of the milling and digging area is constructed by utilizing the acoustic imaging principle, the lifting of the milling and digging head is automatically adjusted according to the topography data, and the mineral collection efficiency is improved by adopting the design of the milling and digging head and the pumping integration.
Description
Technical Field
The invention relates to the technical field of submarine mining, in particular to a submarine surface solid mineral sampling device and a submarine surface solid mineral sampling method.
Background
With the increasing exhaustion of landed mineral resources, ocean resources are increasingly valued by various countries, ocean accounting for 71% of the earth surface is reserved in abundant mineral resources, the ocean mineral resources with commercial exploitation value are mainly provided with multi-metal nodules, cobalt-rich crusts, multi-metal sulfides and the like, the cobalt-rich crusts and the multi-metal sulfides are mostly adhered to the seabed surface and generally fluctuated according to micro-topography, bedrock is arranged below the ocean mineral resources, the two minerals are firstly milled and crushed when being sampled, then are collected by a collecting mechanism, milling and planing are generally adopted for crushing the minerals, multi-purpose hydraulic power collection is collected, and a common collecting tool is a slurry pump. The crushed and collected minerals are stored in a feed box of a sampling device and are recycled to a deck of the scientific investigation ship along with the sampling device.
The submarine solid mineral sampling device is complicated in mineral micro-topography, so that the situation of large and small milling resistance is easy to appear in the milling, digging and crushing process, the milling resistance is increased instantaneously, and a milling motor is easy to stop. On the other hand, the collection of minerals scattered on the surface of the seabed after crushing is mainly carried out by mechanical collection and hydraulic collection. The most acquisition mode that the current main current used is hydraulic acquisition, but when carrying out the acquisition through the water pump, because the mineral of being gathered is static on the seabed surface relatively, be unfavorable for the suction collection of water pump, acquisition efficiency is low. These two aspects are important factors limiting the sampling efficiency of the subsea surface mineral sampling device.
In summary, the existing submarine solid mineral sampling device has poor capability of adapting to the terrain and is easy to be blocked during the milling and crushing process of the milling head or the milling drum, which is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention mainly aims to provide a submarine surface solid mineral sampling device and a submarine surface solid mineral sampling method, and aims to solve the problems that the existing submarine solid mineral sampling device is poor in terrain adaptability and a milling head or a milling drum is easy to clamp in the milling and crushing process.
In order to achieve the above object, the present invention provides a seabed surface solid mineral sampling device comprising a main body frame, a rail car, a crushing and collecting device, a traction device, an acoustic imaging system and a hydraulic system,
the main body frame is a structural main body of the whole sampling device and is used for installing the rail car, the crushing and collecting device, the traction device, the acoustic imaging system and the hydraulic system,
the rail car is arranged on the main body frame and comprises an acoustic array rail car for installing the acoustic imaging system and a crushing and collecting device rail car for installing the crushing and collecting device,
the device is driven by the hydraulic system, is pulled by the traction device and guided by the railcar to carry out crushing and collecting operation, the acoustic imaging system is matched with the crushing and collecting device to scan out micro-terrains under the sampling device, and feeds back information to the crushing and collecting device, and the horizontal displacement is regulated by the traction device and the lifting displacement is regulated by the displacement cylinder to realize the sampling of the submarine surface solid minerals of the self-adaptive terrains.
Preferably, the crushing and collecting device comprises an upper part and a lower part, a slurry pump and a feed box are arranged at the upper part of the crushing and collecting device, a pumping motor is arranged on the slurry pump, the slurry pump is communicated with the feed box through a conveying pipe, a feed box cover is matched on the feed box,
the crushing collection system lower part has to mill and dig the cylinder and mill and dig the motor, it is cylindrical to mill and dig the cylinder, have to mill and dig the cutter evenly distributed in mill and dig the cylinder surface, mill dig the cylinder with mill and dig the motor and link to each other, install on collecting cover, mill and dig half of cylinder and be in the collecting cover, the other half is exposed the collecting cover outside, collecting cover top with the import of sediment stuff pump links to each other the both sides of collecting cover are fixed with the traction seat, and the traction seat is used for being connected with the displacement hydro-cylinder, the displacement hydro-cylinder with the railcar links to each other, is used for controlling crushing collection system motion.
Preferably, the milling cutter is spirally distributed on the surface of the milling drum.
Preferably, the hydraulic system comprises a hydraulic station and a valve box, wherein the power liquid flow of the hydraulic station passes through the valve box and then is led to each oil cylinder and each hydraulic motor of the sampling device to drive the sampling device to work by a working mechanism.
Preferably, the traction device comprises a steel wire rope, a fixed pulley, a steel wire disc and two hydraulic motors, one end of the steel wire rope is connected with the rail car, the other end of the steel wire rope bypasses the fixed pulley and then is connected with the steel wire disc, and the steel wire disc is driven to rotate by the hydraulic motors.
Preferably, the number of the traction devices is two, the steel wire ropes, the fixed pulleys, the steel wire discs and the hydraulic motors of the two traction devices are symmetrically arranged at two ends, the hydraulic motors at two sides are in a mode that oil inlets and oil outlets are reversely connected in series, namely, the outlets are connected, and the oil inlets of the hydraulic motors are respectively connected to the valve box.
Preferably, the acoustic imaging system comprises an acoustic array installed on the railway car and an array controller installed in an electronic bin for controlling the array, the acoustic array is connected with the displacement oil cylinder, and the displacement oil cylinder is installed on the railway car.
Preferably, the submarine surface solid mineral sampling device further comprises a monitoring system, wherein the monitoring system comprises a video monitoring assembly and a control assembly, and a plurality of lamps and cameras are mounted on the main body frame and used for observing the working condition of the sampling device on the seabed.
Preferably, the top of the main body frame is provided with a connecting interface connected with a special bearing head of marine equipment.
In order to achieve the above object, the present invention provides a sampling method of the above-mentioned solid mineral sampling device for the seabed surface, comprising the steps of:
after the scientific investigation ship lowers the sampling device to a designated position on the seabed through a winch, a monitoring system of the sampling device is opened, high-voltage electricity is applied, a hydraulic system is started, and the sampling device starts to operate;
the acoustic array is positioned at the highest position by utilizing the displacement oil cylinder, an acoustic array controller is started, and the acoustic array starts to slowly move in the horizontal direction under the action of the traction device, so that micro-topography under the sampling device is scanned;
stopping moving when the acoustic array rail car reaches the end point, forming micro-topography information at the moment, referring to the formed micro-topography information, enabling the acoustic array to descend by a proper height under the action of the displacement oil cylinder, restarting the traction device, enabling the acoustic array to return to the original position, forming micro-topography information once again, and forming a micro-topography map according to the micro-topography information of two times;
then starting a crushing and collecting device, horizontally moving the crushing and collecting device on a rail car of the crushing and collecting device under the action of a traction device, performing crushing and collecting operation, and controlling the milling and digging height through a displacement oil cylinder according to a topographic map formed by an acoustic system, so that the crushing and milling depth is kept stable in the whole milling and digging process;
and milling and crushing operation back and forth under the action of the traction device until the operation pressure of the milling and digging motor is obviously increased, indicating that the base rock layer is milled, and stopping sampling operation.
According to the submarine surface solid mineral sampling device and the submarine surface solid mineral sampling method, the topography map of the milling and digging area is constructed by utilizing the acoustic imaging principle, the lifting of the milling and digging head is automatically adjusted according to the topography data, and the mineral collection efficiency can be effectively improved by adopting the design of the milling and digging head and the pumping integration.
Drawings
FIG. 1 is a block diagram of one embodiment of a subsea surface solid mineral sampling device of the present invention;
fig. 2 is a block diagram of a crushing and collecting device of the seabed surface solid mineral sampling device shown in fig. 1.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 2, one embodiment of the present invention is a seabed surface solid mineral sampling device, which comprises a main body frame 1, an acoustic array rail car 4, a crushing and collecting device rail car 5, a crushing and collecting device 3, a traction device, an acoustic imaging system and a hydraulic system.
The main body frame 1 is a structural main body of the submarine surface solid mineral sampling device, all relevant parts of the sampling device are mounted on the main body frame 1, and a connecting interface 101 connected with a special bearing head of marine equipment is arranged at the top of the main body frame 1. There are two rail cars on the sampling device, namely a broken collection device rail car 5 and an acoustic array rail car 4, wherein the broken collection device rail car 5 is used for moving the broken collection device 3 and the acoustic array rail car 4 is used for moving the acoustic array 14. The two rail cars are devices which are bilaterally provided with wheels matched with the sampling device rails and can move back and forth along the sampling device rails. The displacement sensor 6 is arranged on the railway car, so that the position information of the railway car in the horizontal direction can be measured, and the position information is used for establishing the position coordinates of the micro-topography.
The crushing and collecting device 3 is a core component of the whole sampling device, the crushing and collecting device 3 completes crushing and collecting of minerals, the crushing and collecting device 3 comprises an upper part and a lower part, a slurry pump 35 and a material box 32 are arranged on the upper part of the crushing and collecting device, a pumping motor 33 is arranged on the slurry pump 35, the slurry pump 35 is communicated with the material box 32 through a material conveying pipe 34, and a material box cover 31 is matched on the material box 32. The lower part of the crushing and collecting device 3 is provided with a milling and digging roller 39, a milling and digging motor 38, a material collecting cover 37 and a traction seat 36. Wherein the milling drum 39 is a cylindrical barrel, milling cutters 40 for milling broken minerals are distributed on the barrel-shaped surface of the milling drum 39, and the milling cutters 40 are uniformly distributed on the surface of the milling drum 39 in a spiral shape. The milling and digging roller 39 is connected with a milling and digging motor 38, the milling and digging motor 38 drives the milling and digging roller 39 to rotate for milling and digging operation, the milling and digging motor 38 and the milling and digging roller 39 are both arranged on the collecting cover 37, one half of the milling and digging roller 39 is arranged in the collecting cover 37, and the other half is exposed outside the collecting cover 37. The top of the aggregate hood 37 is connected to the inlet of the slurry pump 35, and the slurry pump 35 is driven by the pumping motor 33 at the top thereof. The aggregate cover 37 has a function of sucking material in addition to the milling motor 38 and the milling drum 39, and the material thrown during milling is smoothly sucked into the bin 32 by the combined action of the slurry pump and the slurry pump 35. The traction seat 36 is fixed on two sides of the aggregate cover 37, and the traction seat 36 is connected with the displacement cylinder 12 and used for controlling the up-and-down movement of the crushing and collecting device 3. The displacement oil cylinder 12 is connected with the track car 5 of the crushing and collecting device and drives the crushing and collecting device 3 to horizontally move along the track of the sampling device. The feed box 32 is matched with a feed box cover 31, and the feed box cover 31 is a hollowed stainless steel net, so that seawater can be discharged conveniently.
The acoustic imaging system includes an acoustic array 14 mounted on the acoustic array railcar 4 and an array controller mounted within the electronics bay 8 for controlling the array. The acoustic array 14 is connected with a displacement cylinder 12 on the acoustic array railcar 4, the displacement cylinder 12 can enable the acoustic array 14 to move up and down, and the acoustic array railcar 4 enables the acoustic array 14 to move horizontally. The matrix controller can communicate with a communication bus of the electronic bin 8, and can transmit information to a scientific investigation ship deck upper computer, and acoustic information is processed on the upper computer to form a micro-topography.
The hydraulic system comprises a hydraulic station 2 and a valve box 15. The power fluid of the hydraulic station 2 passes through the valve box 15 and then is led to each oil cylinder and the hydraulic motor 7 of the sampling device, so as to drive the operation mechanism of the sampling device to operate. All motors on the sampling device are hydraulically driven.
The traction device is mainly used for driving two sets of rail cars to horizontally move, is adaptive to the two sets of rail cars, the sampling device is provided with two independent traction devices, one set of traction device is used for driving the acoustic array rail car 4 to move, and the other set of traction device is used for driving the crushing acquisition device rail car 5 to move. The traction device comprises a steel wire rope 9, a fixed pulley 10, a steel wire disc 11 and a hydraulic motor 7, wherein the steel wire disc 11 is connected with the hydraulic motor 7, and the hydraulic motor 7 drives the steel wire disc 11 to rotate. One end of the steel wire rope 9 is connected with the rail car, and the other end is connected with the steel wire disc 11 after bypassing the fixed pulley 10. The steel wire ropes 9, the fixed pulleys 10, the steel wire discs 11 and the hydraulic motors 7 of the two sets of traction devices are symmetrically arranged at two ends, the hydraulic motors 7 at two sides are in a mode of reverse connection and serial connection of oil inlet and outlet ports, namely the outlets of the two hydraulic motors 7 are connected, and the oil inlets of the two hydraulic motors 7 are respectively connected to the control port of the valve box 15. This ensures that when one of the hydraulic motors 7 is rotating in the forward direction, the other hydraulic motor 7 is rotating in the reverse direction and keeps the rotational speeds of the two hydraulic motors 7 consistent.
The monitoring system includes a video monitoring component and a control component. The main body frame 1 of the sampling device is provided with a plurality of lamps and cameras for observing the working condition of the sampling device on the sea floor, camera signals are converted into optical signals through an optical terminal in the electronic bin 8 and are transmitted to a scientific investigation ship deck upper computer, and the parts become video monitoring components. The control assembly comprises a controller and a communication module in the electronic bin 8, wherein a control signal of the upper computer on the deck of the scientific investigation ship is transmitted to the communication module in the electronic bin 8 through an optical fiber to control the controller in the electronic bin 8, and the controller controls the electromagnetic valve on the hydraulic system to control all operation actions of the sampling device.
In this embodiment, the sampling method of the submarine surface solid mineral sampling device is as follows:
after the scientific investigation ship lowers the sampling device to a designated position on the seabed through a winch, a monitoring system of the sampling device is opened, high-voltage electricity is applied, a hydraulic system is started, and the sampling device starts to operate;
the acoustic array 14 is positioned at the highest position by using the displacement cylinder 12, an acoustic array controller is started, the acoustic array 14 starts to slowly move in the horizontal direction under the action of the traction device, and micro-terrains under the sampling device are scanned;
stopping moving when the acoustic array railcar 4 reaches the end point, wherein micro-topography information is formed at the moment, and referring to the formed micro-topography information, the acoustic array 14 is lowered by a proper height under the action of the displacement cylinder 12, the traction device is started again, the acoustic array 14 is returned to the original position, the micro-topography information is formed once again, and a micro-topography map is formed according to the micro-topography information of two times;
then starting the crushing and collecting device 3, horizontally moving the crushing and collecting device 3 on the rail car 5 of the crushing and collecting device along the rail 13 under the action of the traction device, performing crushing and collecting operation, controlling the milling and digging height through the displacement cylinder 12 according to a topographic map formed by an acoustic system, so that the stable crushing and milling depth is maintained in the whole milling and digging process, the phenomenon that a milling and digging motor is blocked is effectively prevented, and the operation efficiency is improved;
milling and crushing operation back and forth under the action of the traction device until the operation pressure of the milling and digging motor is obviously increased, indicating that the base rock layer is milled, and stopping sampling operation;
after the operation is completed, the power supply is cut off, and the sampling device is recovered.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The submarine surface solid mineral sampling device is characterized by comprising a main body frame, a rail car, a crushing and collecting device, a traction device, an acoustic imaging system and a hydraulic system, wherein the main body frame is a structural main body of the whole sampling device and is used for installing the rail car, the crushing and collecting device, the traction device, the acoustic imaging system and the hydraulic system, the rail car is installed on the main body frame and comprises an acoustic array rail car for installing the acoustic imaging system and a crushing and collecting device rail car for installing the crushing and collecting device, the crushing and collecting device is driven by the hydraulic system, the crushing and collecting device is guided by the traction device, the crushing and collecting operation is carried out through the traction of the traction device, the acoustic imaging system and the crushing and collecting device are matched to scan out micro-topography under the sampling device, and feedback information is fed to the crushing and collecting device, and the horizontal displacement is adjusted through the traction device, and the lifting displacement is adjusted through a displacement cylinder, so that the submarine surface solid mineral sampling of the self-adaption topography is realized;
the micro-topography under the sampling device is scanned out in cooperation of the acoustic imaging system and the crushing acquisition device, and the micro-topography comprises:
the acoustic array is positioned at the highest position by utilizing the displacement oil cylinder, an acoustic array controller is started, and the acoustic array starts to slowly move in the horizontal direction under the action of the traction device, so that micro-topography under the sampling device is scanned;
stopping moving when the acoustic array rail car reaches the end point, forming micro-topography information at the moment, referring to the formed micro-topography information, enabling the acoustic array to descend by a proper height under the action of the displacement oil cylinder, restarting the traction device, enabling the acoustic array to return to the original position, forming micro-topography information once again, and forming a micro-topography map according to the micro-topography information of two times;
the crushing and collecting device comprises an upper part and a lower part, a slurry pump and a feed box are arranged on the upper part of the crushing and collecting device, a pumping motor is arranged on the slurry pump, the slurry pump is communicated with the feed box through a conveying pipe, a material box cover is matched on the feed box, a milling and digging roller and a milling and digging motor are arranged on the lower part of the crushing and collecting device, the milling and digging roller is cylindrical, milling and digging cutters are uniformly distributed on the surface of the milling and digging roller, the milling and digging roller is connected with the milling and digging motor and is arranged on an aggregate cover, one half of the milling and digging roller is arranged in the aggregate cover, the other half of the milling and digging roller is exposed outside the aggregate cover, the top of the aggregate cover is connected with an inlet of the slurry pump, traction seats are fixed on two sides of the aggregate cover and are used for being connected with a displacement cylinder, and the displacement cylinder is connected with a track car and is used for controlling the crushing and collecting device to move;
the hydraulic system comprises a hydraulic station and a valve box, wherein the power fluid of the hydraulic station passes through the valve box and then is led to each oil cylinder and each hydraulic motor of the sampling device to drive the sampling device to operate by an operating mechanism;
the submarine surface solid mineral sampling device further comprises a monitoring system, wherein the monitoring system comprises a video monitoring assembly and a control assembly, and a plurality of lamps and cameras are installed on the main body frame and used for observing the working condition of the sampling device on the seabed.
2. The subsea surface solid mineral sampling device of claim 1, characterized in that the milling cutters are helically distributed on the surface of the milling drum.
3. The device for sampling solid minerals on the surface of the sea according to claim 1, wherein the traction device comprises a steel wire rope, a fixed pulley, a steel wire disc and two hydraulic motors, one end of the steel wire rope is connected with the rail car, the other end of the steel wire rope bypasses the fixed pulley and then is connected with the steel wire disc, and the steel wire disc is driven to rotate by the hydraulic motors.
4. The submarine surface solid mineral sampling device according to claim 3, wherein the number of the traction devices is two, the steel wire ropes, the fixed pulleys, the steel wire disc and the hydraulic motors of the two traction devices are symmetrically arranged at two ends, the hydraulic motors at two sides are in a mode of reversely connecting oil inlets and oil outlets in series, namely connecting the outlets, and the oil inlets of the hydraulic motors are respectively connected to the valve box.
5. The seafloor surface solid mineral sampling device of claim 4, wherein the acoustic imaging system comprises an acoustic array mounted on the railcar and an array controller mounted in an electronic bin internal control array, the acoustic array being connected to the displacement ram, the displacement ram being mounted on the railcar.
6. The seafloor surface solid mineral sampling device of claim 1, wherein the top of the main body frame is provided with a connection interface connected with a bearing head special for marine equipment.
7. A sampling method of a subsea surface solid mineral sampling device according to any of claims 1 to 6, comprising the steps of:
after the scientific investigation ship lowers the sampling device to a designated position on the seabed through a winch, a monitoring system of the sampling device is opened, high-voltage electricity is applied, a hydraulic system is started, and the sampling device starts to operate;
the acoustic array is positioned at the highest position by utilizing the displacement oil cylinder, an acoustic array controller is started, and the acoustic array starts to slowly move in the horizontal direction under the action of the traction device, so that micro-topography under the sampling device is scanned;
stopping moving when the acoustic array rail car reaches the end point, forming micro-topography information at the moment, referring to the formed micro-topography information, enabling the acoustic array to descend by a proper height under the action of the displacement oil cylinder, restarting the traction device, enabling the acoustic array to return to the original position, forming micro-topography information once again, and forming a micro-topography map according to the micro-topography information of two times;
then starting a crushing and collecting device, horizontally moving the crushing and collecting device on a rail car of the crushing and collecting device under the action of a traction device, performing crushing and collecting operation, and controlling the milling and digging height through a displacement oil cylinder according to a topographic map formed by an acoustic system, so that the crushing and milling depth is kept stable in the whole milling and digging process;
and milling and crushing operation back and forth under the action of the traction device until the operation pressure of the milling and digging motor is obviously increased, indicating that the base rock layer is milled, and stopping sampling operation.
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| CN201710602114.7A CN107328601B (en) | 2017-07-21 | 2017-07-21 | Submarine surface solid mineral sampling device and sampling method |
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| CN107942392B (en) * | 2017-11-15 | 2023-08-11 | 自然资源部第二海洋研究所 | Acoustic substrate and water column testing system and method |
| CN108195619A (en) * | 2018-03-28 | 2018-06-22 | 孝感荟智环保技术研发有限公司 | Soil collecting device |
| CN110702553B (en) * | 2019-08-30 | 2021-01-26 | 长沙矿冶研究院有限责任公司 | Submarine polymetallic nodule in-situ abundance evaluation device and evaluation system thereof |
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