CN114018619A - High-stability adjustable shallow reef area seabed sediment sampling device and sampling method - Google Patents
High-stability adjustable shallow reef area seabed sediment sampling device and sampling method Download PDFInfo
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- CN114018619A CN114018619A CN202111317661.3A CN202111317661A CN114018619A CN 114018619 A CN114018619 A CN 114018619A CN 202111317661 A CN202111317661 A CN 202111317661A CN 114018619 A CN114018619 A CN 114018619A
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- 238000005070 sampling Methods 0.000 title claims abstract description 169
- 239000013049 sediment Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 105
- 230000007306 turnover Effects 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims description 61
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000012863 analytical testing Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
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Abstract
The invention discloses a high-stability adjustable shallow reef area seabed sediment sampling device and a sampling method. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area comprises a support frame, a foldable turnover device and a sampling device for collecting the seabed sediment. The support frame comprises a foldable main frame body and a pair of support frames respectively arranged at the left side and the right side of the main frame body. The turnover device comprises a driving assembly arranged on the supporting frame and a turnover plate arranged on the driving assembly. The sampling device comprises a transmission assembly arranged on the turnover plate and a sampling structure arranged on the transmission assembly and used for collecting the seabed sediments with multiple depths. The invention overcomes the defects of the prior art, provides the sampling device special for the submarine sediments, solves the problem that the existing sediments cannot be collected in multiple points and multiple depths, and simultaneously solves the problem that the existing sampling device is generally of a fixed structure and cannot be adjusted.
Description
Technical Field
The invention relates to the technical field of marine exploration, in particular to a high-stability adjustable shallow reef area seabed sediment sampling device and a sampling method.
Background
Analytical testing of seafloor sediments is an important component of marine exploration work, and analytical testing of related samples cannot be separated neither in resource exploration nor in environmental evaluation. Obtaining sufficient and diverse samples is the key to ensure the quality of analytical tests, but the existing shallow sea sediment collection has the following problems: firstly, the multi-point and multi-depth sample collection of sediments cannot be completed simultaneously, the sediments need to be submerged into the seabed for repeated sampling for many times, and in the process from the seabed to the sea surface, the sample loss is easily caused by seawater flushing, so that the sampling requirement cannot be met; secondly, current sampling device generally is fixed knot structure, and is unadjustable, in order to enlarge the scope of once sampling, can enlarge the sampling device volume, all arranges the sampling pipe around sampling device, but the increase of volume leads to sampling device's the transport of accomodating all very inconvenient.
Disclosure of Invention
The invention discloses a high-stability adjustable shallow-sea reef area seabed sediment sampling device, which comprises a support frame, a foldable turnover device and a sampling device for collecting seabed sediment, and is characterized in that:
the support frame comprises a foldable main frame body and a pair of support frames which are respectively arranged on the left side and the right side of the main frame body;
the turnover device comprises a driving assembly arranged on the supporting frame and a turnover plate arranged on the driving assembly;
the sampling device comprises a transmission assembly arranged on the turnover plate and a sampling structure arranged on the transmission assembly and used for collecting the seabed sediments with multiple depths.
The invention discloses a preferable high-stability adjustable shallow sea reef area seabed sediment sampling device which is characterized in that a main frame body comprises a vertical frame, a pair of supports which are distributed in bilateral symmetry about the vertical frame and have a U-shaped structure, a transition frame A, one end of which is hinged with the supports and can rotate up and down, a transition frame B, one end of which is hinged with the transition frame A and the other end of which is hinged with the vertical frame, and is symmetrical about a hinge point with the transition frame A, a pair of transition rods A, one end of which is hinged with the supports and is respectively positioned at the front side and the rear side of the supports, two transition rods A are symmetrical about the supports and can rotate back and forth, a support A, one end of which is arranged on the transition rod A and is positioned at one end of the transition rod A far away from the supports, a pair of transition rods B, one end of which is hinged with the vertical frame and is respectively positioned at the front side and the rear side of the vertical frame, two transition rods B are symmetrical about the supports and can rotate back and forth, a support B, is arranged on the transition rod B and is positioned at one end of the transition rod B far away from the vertical frame, the support A is hinged with the support B, the support A is arranged on the support, the telescopic rod is connected with the vertical frame, the support frame is arranged at the top of the support and is of a U-shaped structure,
the invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that the bottoms of a support A, a support B, a support and a vertical frame are all in a sharp cone shape;
the lengths of the transition rod A, the transition rod B, the transition frame A and the transition frame B are L1.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a plurality of overturning devices are arranged, the overturning devices are respectively arranged on the front side and the rear side of a supporting frame, and the overturning devices are arranged in a bilateral symmetry mode relative to the supporting frame.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a driving assembly comprises a transverse column arranged at the top of a supporting frame, a first shaft, a second shaft and a third shaft which are rotatably arranged on the transverse column through rolling bearings and distributed along the X direction, a driving motor which is arranged on the transverse column and has an output shaft connected with the first shaft, a first driving gear arranged on the first shaft, a second driving gear arranged on the second shaft and meshed with the first gear, a third driving gear arranged on the third shaft and meshed with the second driving gear, a driving rod A with one end arranged on the first shaft, a driving rod B with one end arranged on the first shaft and having an included angle of 180 degrees with the driving rod A, the driving rod B positioned at the rear side of the driving rod A, a driving rod C with the third shaft and always parallel with the driving rod A, the actuating lever C is located actuating lever A rear side, install on actuating lever C and be located actuating lever C and keep away from the fourth drive gear of third axle one end, one end is articulated with actuating lever A and is the actuating lever D of L shape structure, the actuating lever is buckled position department and is articulated with fourth drive gear centre of a circle department, rotate through antifriction bearing and install on actuating lever D and be located actuating lever D and keep away from the fifth drive gear of actuating lever A one end, fifth drive gear and fourth drive gear mesh, install on fifth drive gear and be the support arm of L shape structure, the returning face plate is installed on the support arm.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a transmission assembly comprises a protective cover arranged on a turnover plate, a lifting electric push rod arranged in the protective cover, a lifting plate arranged on a telescopic rod of the lifting electric push rod, a protective shell arranged on the lifting plate, a transmission motor arranged in the protective shell and a transmission plate arranged on an output shaft of the transmission motor.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a sampling structure is arranged on a transmission plate; the sampling structure comprises a plurality of sampling assemblies distributed along the central axis direction of the transmission motor, and every two adjacent sampling assemblies are connected with each other;
the sampling assembly comprises a fixed cylinder, a fixed plate which is positioned at one end of the fixed cylinder, away from a transmission plate, and is coaxially arranged with the fixed cylinder, a main shaft with one end arranged on the fixed cylinder and the other end arranged on the fixed plate, a transmission shaft A which is rotatably arranged on the main shaft through a rolling bearing, a fixed disc arranged on the transmission shaft A, a plurality of driving grooves which are circumferentially distributed around the central axis of the fixed disc, a transmission shaft B which is rotatably arranged on the transmission shaft A and is positioned between the fixed disc and the fixed cylinder through the rolling bearing, a first transmission gear which is arranged on the transmission shaft B and is provided with a plurality of transmission grooves which are circumferentially distributed around the central axis of the first transmission gear, a first motor which is arranged on the fixed disc, a second transmission gear which is arranged on an output shaft of the first motor and is meshed with the first transmission gear, and a third transmission gear which is arranged on the transmission shaft A and is positioned between the first transmission gear and the fixed cylinder, the second motor is arranged in the fixed cylinder, and the fourth transmission gear is arranged on an output shaft of the second motor and meshed with the third transmission gear;
the sampling assembly further comprises a driving column movably arranged in the driving groove, a transmission column movably arranged in the transmission groove and connected with the driving column at one end, and a sampling block arranged on the driving column.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a pair of slide rails is installed in a driving groove, and a driving column is installed on the slide rails; the transmission groove is of an arc-shaped structure, a pair of sliding columns are installed in the transmission groove, annular sliding grooves matched with the sliding columns in shape are formed in the transmission columns, and the sliding columns are inserted into the annular sliding grooves.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that a sampling block is of a fan-shaped structure and is coaxially arranged with a fixed disc; sampling grooves are formed in two ends of each sampling block;
a plurality of accommodating grooves which are annularly arrayed around the central axis of the fixed disk are arranged on the circumferential surface of the fixed disk, and the accommodating grooves correspond to the driving grooves one to one and are communicated with the driving grooves; the accommodating groove is matched with the sampling block in shape; the end of the containing groove far away from the driving groove is provided with a sealing strip.
The invention discloses a preferable high-stability adjustable device for sampling seabed sediment in a shallow reef area, which is characterized by further comprising an outer cylinder A, an outer cylinder B, a cutting piece and a cutting head, wherein the outer cylinder A is installed on a fixed cylinder and is positioned at one end, close to a fixed plate, of the fixed cylinder, the outer cylinder B is installed on the fixed plate and is positioned at one end, close to the fixed cylinder, of the fixed plate, the cutting piece is installed on the cylindrical surface of the fixed cylinder and is of a spiral structure, and the cutting head is installed on the fixed plate farthest from a transmission plate.
The invention discloses a preferable high-stability adjustable shallow-sea reef area seabed sediment sampling device which is characterized in that the diameters of an outer cylinder A and an outer cylinder B are D1, the diameter of a fixed cylinder is D2, and D2 is more than D1.
The sampling steps of the invention are as follows:
s1: on the sea surface, the support frame is unfolded and is sunk into the sea bottom through a winch;
s2: after the supporting frame lands, the driving assembly drives the turnover plate to rotate, so that the turnover plate is unfolded to be parallel to the X direction;
s3: the transmission assembly drives the sampling structure to be close to the submarine sediment, the sampling structure is drilled, and the sampling structure is inserted into the sediment;
s4: when the required depth is reached, one of the sampling assemblies drives the sampling block to move radially, so that the sampling block is inserted into the submarine sediment, the sampling assembly drives the sampling block to rotate, and the submarine sediment enters the sampling groove; then the acquisition assembly drives the sampling block to move radially, and the sampling block returns to the accommodating groove;
s5: repeating S3 and S4 to obtain a plurality of samples with different depths, so that the samples with different depths are stored in different sampling assemblies.
The invention has the following beneficial effects: the invention overcomes the defects of the prior art, provides the sampling device special for the submarine sediments in the shallow reef area, solves the problem that the existing sediments cannot be collected in multiple points and multiple depths, and simultaneously solves the problem that the existing sampling device is generally of a fixed structure and cannot be adjusted.
Drawings
FIG. 1 is a front view of the present invention as it descends within seawater;
FIG. 2 is a front view of the present invention during a subsea landing;
FIG. 3 is a front view of the stand of the present invention;
FIG. 4 is a top view of the main frame of the present invention;
FIG. 5 is a top view of the main frame of the present invention without the transition frame A and the transition frame B;
FIG. 6 is a front view of the present invention with the flipping mechanism closed;
FIG. 7 is a front view of the everting device of the present invention when deployed;
FIG. 8 is a partial cross-sectional view in elevation of a sampling device according to the present invention;
FIG. 9 is a partial sectional view in elevation of the sampling assembly of the present invention;
FIG. 10 is a top view of the holding pan of the present invention;
FIG. 11 is a top view of a sampling block of the present invention;
fig. 12 is a front view of the present invention when stowed. A
The figures are labeled as follows:
100-support frame, 101-main frame, 102-support frame, 103-vertical frame, 104-support, 105-transition frame A, 106-transition frame B, 107-transition rod A, 108-transition rod B, 109-support A, 110-support B, 111-adjusting electric push rod and 112-hook.
200-flipping unit, 201-drive assembly, 202-flipping panel, 203-cross-post, 204-first shaft, 205-second shaft, 206-third shaft, 207-first drive gear, 208-second drive gear, 209-third drive gear, 210-drive rod a, 211-drive rod B, 212-drive rod C, 213-fourth drive gear, 214-drive rod D, 215-fifth drive gear, 216-support arm.
300-a sampling device, 301-a transmission component, 302-a sampling structure, 303-a protective cover, 304-a lifting electric push rod, 305-a lifting plate, 306-a protective shell, 307-a transmission motor, 308-a transmission plate, 309-a sampling component, 310-a fixed cylinder, 311-a fixed plate, 312-a spindle, 313-a transmission shaft A, 314-a fixed disc, 315-a driving groove, 316-a transmission shaft B, 317-a first transmission gear, 318-a transmission groove, 319-a second transmission gear, 320-a third transmission gear, 321-a second motor, 322-a fourth transmission gear, 323-a driving column, 324-a transmission column, 325-a sampling block, 326-a sampling groove, 327-an accommodating groove, 328-an outer cylinder A, 329-an outer cylinder B, 331-cutting head, 332-sliding column.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in fig. 1, 2 and 12, the high-stability adjustable shallow reef area seabed sediment sampling device and the sampling method thereof comprise a support frame 100, a foldable turnover device 200 and a sampling device 300 for collecting seabed sediment.
As shown in fig. 3, 4 and 5, the support frame 100 includes a foldable main frame 101 and a pair of support frames 102 attached to the left and right sides of the main frame 101.
The main frame body 101 comprises a vertical frame 103, a pair of supports 104 which are distributed in bilateral symmetry about the vertical frame 103 and have a U-shaped structure, a transition frame A105 with one end hinged to the supports 104 and capable of rotating up and down, a transition frame B106 with one end hinged to the transition frame A105 and the other end hinged to the vertical frame 103 and symmetrical to the transition frame A105 about a hinge point, a pair of transition rods A107 with one end hinged to the supports 104 and respectively positioned at the front and rear sides of the supports 104, two transition rods A107 are symmetrical front and back about the supports 104, the transition rods A107 are rotatable front and back, a strut A109 which is arranged on the transition rod A107 and positioned at one end of the transition rod A107 far away from the supports 104, a pair of transition rods B108 with one end hinged to the vertical frame 103 and respectively positioned at the front and rear sides of the vertical frame 103, two transition rods B108 are symmetrical front and back about the supports 104, the transition rods B108 are rotatable front and back, a strut B110 which is arranged on the transition rod B108 and positioned at one end of the transition rod B108 far away from the vertical frame 103, the support A109 is hinged with the support B110, the support A is mounted on the support 104, the telescopic rod is connected with the upright frame 103, the adjusting electric push rod 111 is mounted on the support 104, the support frame 102 is mounted on the top of the support 104, and the support frame 102 is of a U-shaped structure. The support frame 102 is provided with a hook 112 for connecting with a wire rope of a winch.
The bottoms of the support A109, the support B110, the bracket 104 and the vertical frame 103 are all in a sharp cone shape; the lengths of the transition rod A107, the transition rod B108, the transition frame A105 and the transition frame B106 are all L1.
The problem that the existing sampling device is generally of a fixed structure and cannot be adjusted is solved through the support frame 100; the bracket 104, the vertical frame 103, the transition rod, the transition frame and the like are hinged to form a foldable structure, so that the foldable sampling device is convenient to store and carry, and meets the size of a sampling range; disturbance to seawater is reduced through the support 104, the vertical frame 103, the transition frame and the like of the frame structure, preparation is made for sampling, meanwhile, buoyancy is reduced, and the influence of the buoyancy on the descending of the whole sampling device is avoided; through setting up many spinal bracings A109, pillar B110, grudging post 103, support 104 that the bottom is sharp toper, make things convenient for support frame 100 to insert the seabed, improve whole sampling device's stability.
The distance between the support 104 and the stand 103 is increased by adjusting the extension of the telescopic rod of the electric push rod 111, the transition frame A105 and the transition frame B106 rotate downwards, the transition rod A107 and the transition rod B108 rotate outwards, the bottoms of the support A109 and the support B110 are flush with the bottom of the support 104, and the support 100 is unfolded.
As shown in fig. 6 and 7, the turning device 200 is provided in plurality, the turning device 200 is respectively installed at both front and rear sides of the support frame 102, and the turning devices 200 are arranged in bilateral symmetry with respect to the support frame 102. The flipping unit 200 includes a driving assembly 201 mounted on the support frame 102, and a flipping plate 202 mounted on the driving assembly 201.
The driving assembly 201 comprises a cross column 203 mounted on the top of the supporting frame 102 through a rolling bearing, a first shaft 204, a second shaft 205 and a third shaft 206 which are rotatably mounted on the cross column 203 and distributed along the X direction, the first shaft 204 is positioned at one end of the cross column 203 far away from the bracket 104, a driving motor which is mounted on the cross column 203 and has an output shaft connected with the first shaft 204, a first driving gear 207 mounted on the first shaft 204, a second driving gear 208 mounted on the second shaft 205 and meshed with the first gear, a third driving gear 209 mounted on the third shaft 206 and meshed with the second driving gear 208, a driving rod A210 with one end mounted on the first shaft 204, a driving rod B211 with one end mounted on the first shaft 204 and having an included angle of 180 degrees with the driving rod A210, the driving rod B211 is positioned at the rear side of the driving rod A210, and a driving rod C212 with one end mounted on the third shaft 206 and always parallel with the driving rod A210, the driving rod C212 is located at the rear side of the driving rod a210, the driving rod C212 is installed on the driving rod C212 and located at a position, away from one end of the third shaft 206, of the fourth driving gear 213, one end of the driving rod D214 is hinged to the driving rod a210 and is of an L-shaped structure, the bending position of the driving rod C is hinged to the center of the fourth driving gear 213, the fifth driving gear 215 is installed on the driving rod D214 and is located at a position, away from one end of the driving rod a210, of the driving rod D214 through a rolling bearing in a rotating mode, the fifth driving gear 215 is meshed with the fourth driving gear 213, the supporting arm 216 is installed on the fifth driving gear 215 and is of an L-shaped structure, and the turnover plate 202 is installed on the supporting arm 216. Through the front and back arrangement of the driving rod A210, the driving rod B211 and the driving rod C212, the interference in the motion process is avoided, and the rotation of the driving rod is influenced.
The mechanical parameters of the first driving gear 207, the second driving gear 208, the third driving gear 209 and the fourth driving gear 213 are the same, and the lengths of the driving rod a210 and the driving rod C212 are the same.
The turnover plate 202 is driven to rotate through the turnover device 200, so that the turnover plate 202 is perpendicular to the X direction, or the turnover plate 202 is parallel to the X direction, the volume effect of reducing the whole acquisition device is achieved, and the influence on the descending of the whole sampling device is avoided when the turnover plate 202 is unfolded.
The first driving gear 207 is driven to rotate by the driving motor, the third driving gear 209 rotates by gear meshing, the driving rod A210, the driving rod B211 and the driving rod C212 rotate, a parallelogram structure is formed among the driving rod A210, the driving rod C212 and the driving rod D214, the driving rod D214 is always kept still, the driving rod D214 is always parallel to the X direction, the fourth driving gear 213 moves along with the driving rod C212, the fourth driving gear 213 is meshed with the fifth driving gear 215, the fifth driving gear 215 rotates, the supporting arm 216 and the turnover plate 202 move along with the fifth driving gear 215, so that the folding and unfolding of the turnover plate 202 are completed, and the sampling device 300 is ready for work.
As shown in fig. 8, the sampling device 300 includes a drive assembly 301 mounted on the flipping panel 202, and a sampling structure 302 mounted on the drive assembly 301 and used for collecting seafloor sediments at multiple depths.
The sampling device 300 is used for solving the problem that the existing sampling device cannot simultaneously complete the sampling of multiple points and depths of sediments, the four sampling devices 300 arranged on the supporting frame 102 are utilized to simultaneously complete the multi-point sampling, the sampling structure 302 on each sampling device 300 completes the multi-depth sampling, and the sampling diversity and the sampling efficiency are greatly improved.
The transmission assembly 301 comprises a protective cover 303 installed on the turnover plate 202, a lifting electric push rod 304 installed in the protective cover 303, a lifting plate 305 installed on an expansion rod of the lifting electric push rod 304, a protective shell 306 installed on the lifting plate 305, a transmission motor 307 installed in the protective shell 306, and a transmission plate 308 installed on an output shaft of the transmission motor 307. The sampling structure 302 is mounted on a drive plate 308. The sampling structure 302 is brought close to the sea floor by the drive assembly 301, ready for drilling of the sampling structure 302.
The sampling structure 302 comprises a plurality of sampling assemblies 309 distributed along the central axis direction of a transmission motor 307, and every two adjacent sampling assemblies 309 are connected with each other;
as shown in fig. 9 and 10, the sampling assembly 309 includes a fixed cylinder 310, a fixed plate 311 located at one end of the fixed cylinder 310 away from the transmission plate 308 and coaxially disposed with the fixed cylinder 310, a main shaft 312 having one end mounted on the fixed cylinder 310 and the other end mounted on the fixed plate 311, a transmission shaft a313 rotatably mounted on the main shaft 312 via a rolling bearing, a fixed plate 314 mounted on the transmission shaft a313, a fixed plate 314 provided with a plurality of driving grooves 315 circumferentially distributed around a central axis of the fixed plate 314 on the fixed plate 314, a transmission shaft B316 rotatably mounted on the transmission shaft a313 via a rolling bearing and located between the fixed plate 314 and the fixed cylinder 310, a first transmission gear 317 mounted on the transmission shaft B316, a plurality of transmission grooves 318 circumferentially distributed around a central axis 317 of the first transmission gear on the first transmission gear, a first motor mounted on the fixed plate 314, a second transmission gear 319 mounted on an output shaft of the first motor and meshed with the first transmission gear 317, a third transmission gear 320 installed on the transmission shaft a313 and located between the first transmission gear 317 and the fixed cylinder 310, a second motor 321 installed in the fixed cylinder 310, and a fourth transmission gear 322 installed on an output shaft of the second motor 321 and engaged with the third transmission gear 320;
the sampling assembly 309 further includes a drive post 323 movably mounted in the drive slot 315, a drive post 324 movably mounted in the drive slot 318 and connected at one end to the drive post 323, and a sampling block 325 mounted on the drive post 323.
A pair of slide rails is arranged in the driving groove 315, and the driving column 323 is arranged on the slide rails; the transmission groove 318 is of an arc structure, a pair of sliding columns 332 is installed in the transmission groove 318, an annular sliding groove matched with the sliding columns 332 in shape is formed in the transmission column 324, and the sliding columns 332 are inserted into the annular sliding groove.
As shown in fig. 11, the sampling block 325 has a fan-shaped structure, and the sampling block 325 is coaxially disposed with the fixed disk 314; sampling grooves 326 are arranged at two ends of the sampling block 325; a plurality of accommodating grooves 327 annularly arrayed around the central axis of the fixed disk 314 are formed in the circumferential surface of the fixed disk 314, and the accommodating grooves 327 are in one-to-one correspondence and are communicated with the driving grooves 315; the containing groove 327 is matched with the shape of the sampling block 325; the end of the containing groove 327 away from the driving groove 315 is provided with a sealing strip, so as to ensure the sealing performance of the sampling block 325 in the containing groove 327, and avoid the loss caused by the seawater washing of the sample in the sampling groove 326.
The second transmission gear 319 is driven to rotate by the first motor, the second transmission gear 319 is meshed with the first transmission gear 317, the transmission column 324 moves in the transmission groove 318, and the driving column 323 is driven to move along the driving groove 315, so that the sampling block 325 is inserted into the seabed sediment; the fourth transmission gear 322 is driven to rotate by the second motor 321, the fourth transmission gear 322 is meshed with the third transmission gear 320, the fixed disc 314 rotates, the sampling block 325 rotates along with the fixed disc 314, and the sediment enters the sampling groove 326; the containing groove 327 provides a space for the sampling block 325, so that the samples in the sampling groove 326 can be prevented from being washed by seawater, and the samples can be prevented from being polluted.
The sampling structure 302 further comprises an outer cylinder A328 which is arranged on the fixed cylinder 310 and is positioned at one end of the fixed cylinder 310 close to the fixed plate 311, an outer cylinder B329 which is arranged on the fixed plate 311 and is positioned at one end of the fixed plate 311 close to the fixed cylinder 310, a cutting piece which is arranged on the cylindrical surface of the fixed cylinder 310 and is in a spiral structure, and a cutting head 331 which is arranged on the fixed plate 311 farthest from the transmission plate 308. The diameters of the outer cylinder A328 and the outer cylinder B329 are D1, the diameter of the fixed cylinder 310 is D2, and D1 is less than D2. Drilling is accomplished by the cutting blade, cutting head 331, allowing the sampling assembly 309 to reach different depths for sampling.
The control system adopts the programmable numerical control system PLC with stable performance as the control system, realizes the full-automatic control of the turnover device and the sampling device, and sets parameters according to actual conditions. The control system has the functions of indicating and correcting, memorizing breakpoints and protecting broken arcs.
The working principle of the high-stability adjustable shallow reef area seabed sediment sampling device is as follows:
s1: on the sea surface, the support frame 100 is unfolded and sunk to the sea bottom through a winch;
s2: after the support frame 100 lands, the driving assembly 201 drives the turnover plate 202 to rotate, so that the turnover plate 202 is unfolded to be parallel to the X direction;
s3: the transmission assembly 301 drives the sampling structure 302 to be close to the seabed sediment, the sampling structure 302 is drilled, and the sampling structure 302 is inserted into the sediment;
s4: when the required depth is reached, one of the sampling assemblies 309 drives the sampling block 325 to move radially, so that the sampling block 325 is inserted into the submarine sediment, the sampling assembly 309 drives the sampling block 325 to rotate, and the submarine sediment enters the sampling groove 326; then the collection component drives the sampling block 325 to move radially, and the sampling block 325 returns to the containing groove 327;
s5: s3, S4 are repeated to obtain a plurality of samples at different depths, such that the samples at different depths are stored in different sampling assemblies 309.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. The utility model provides an adjustable shallow sea reef area seabed sediment sampling device of high stability, includes support frame (100), folding turning device (200) for gather seabed sediment's sampling device (300), its characterized in that:
the support frame (100) comprises a foldable main frame body (101) and a pair of support frames (102) which are respectively arranged at the left side and the right side of the main frame body (101);
the turnover device (200) comprises a driving assembly (201) arranged on the supporting frame (102), and a turnover plate (202) arranged on the driving assembly (201);
the sampling device (300) comprises a transmission assembly (301) arranged on the turnover plate (202), and a sampling structure (302) arranged on the transmission assembly (301) and used for collecting seabed sediments at a plurality of depths.
2. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area, as claimed in claim 1, wherein the main frame body (101) comprises a vertical frame (103), a pair of brackets (104) which are distributed symmetrically left and right with respect to the vertical frame (103) and have a U-shaped structure, a transition frame A (105) which is hinged with the brackets (104) at one end and can rotate up and down, a transition frame B (106) which is hinged with the transition frame A (105) at one end and is hinged with the vertical frame (103) at the other end and is symmetrical with the transition frame A (105) with respect to a hinge point, a pair of transition rods A (107) which are hinged with the brackets (104) at one end and are respectively located at the front side and the rear side of the brackets (104), two transition rods A (107) are symmetrical front and rear with respect to the brackets (104), the transition rods A (107) can rotate front and rear, a support A (109) which is installed on the transition rod A (107) and is located at one end of the transition rod A (107) far from the brackets (104), one end is articulated and is located a pair of transition pole B (108) of grudging post (103) front and back both sides respectively with grudging post (103), two transition pole B (108) are symmetrical around support (104) front and back, transition pole B (108) can rotate from beginning to end, install on transition pole B (108) and be located transition pole B (108) and keep away from pillar B (110) of grudging post (103) one end, pillar A (109) are articulated with pillar B (110), install on support (104) and telescopic link and regulation electric putter (111) that grudging post (103) are connected, install at support (104) top carriage (102), carriage (102) are the U-shaped structure.
3. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area as claimed in claim 2, wherein the bottoms of the support A (109), the support B (110), the bracket (104) and the stand (103) are all in a shape of a pointed cone;
the lengths of the transition rod A (107), the transition rod B (108), the transition frame A (105) and the transition frame B (106) are all L1.
4. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area is characterized in that the number of the overturning devices (200) is multiple, the overturning devices (200) are respectively arranged at the front side and the rear side of the supporting frame (102), and the overturning devices (200) are arranged in a left-right symmetrical mode relative to the supporting frame (102).
5. A high stability adjustable sampling device for seabed sediment in shallow reef area as claimed in claim 4, wherein the driving assembly (201) comprises a cross column (203) installed on the top of the supporting frame (102), a first shaft (204), a second shaft (205) and a third shaft (206) which are rotatably installed on the cross column (203) through rolling bearings and distributed along the X direction, the first shaft (204) is located at one end of the cross column (203) far away from the bracket (104), a driving motor which is installed on the cross column (203) and the output shaft is connected with the first shaft (204), a first driving gear (207) which is installed on the first shaft (204), a second driving gear (208) which is installed on the second shaft (205) and meshed with the first gear, a third driving gear (209) which is installed on the third shaft (206) and meshed with the second driving gear (208), a driving rod A (210) which one end is installed on the first shaft (204), one end of the driving rod B (211) is installed on the first shaft (204) and forms an included angle of 180 degrees with the driving rod A (210), the driving rod B (211) is located on the rear side of the driving rod A (210), one end of the driving rod C (212) is installed on the third shaft (206) and is parallel to the driving rod A (210) all the time, the driving rod C (212) is located on the rear side of the driving rod A (210), the driving rod C (212) is installed on the driving rod C (212) and is located on the fourth driving gear (213) at the end, far away from the third shaft (206), of the driving rod C (212), one end of the driving rod D (214) is hinged to the driving rod A (210) and is of an L-shaped structure, the bending position of the driving rod is hinged to the center of the fourth driving gear (213), the fifth driving gear (215) is installed on the driving rod D (214) through rolling bearing in a rotating mode and is located at the end, far away from the driving rod A (210), the fifth driving gear (215) is meshed with the fourth driving gear (213), and a support arm (216) which is arranged on the fifth driving gear (215) and is of an L-shaped structure, and the turnover plate (202) is arranged on the support arm (216).
6. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area as claimed in claim 1, wherein the transmission assembly (301) comprises a protective cover (303) arranged on the turning plate (202), a lifting electric push rod (304) arranged in the protective cover (303), a lifting plate (305) arranged on a telescopic rod of the lifting electric push rod (304), a protective shell (306) arranged on the lifting plate (305), a transmission motor (307) arranged in the protective shell (306), and a transmission plate (308) arranged on an output shaft of the transmission motor (307).
7. A high stability adjustable shallow reef area seafloor sediment sampling device as claimed in claim 6 wherein the sampling structure (302) is mounted on a drive plate (308); the sampling structure (302) comprises a plurality of sampling assemblies (309) distributed along the central axis direction of the transmission motor (307), and every two adjacent sampling assemblies (309) are connected with each other;
the sampling assembly (309) comprises a fixed cylinder (310), a fixed plate (311) which is positioned at one end of the fixed cylinder (310) far away from a transmission plate (308) and is coaxially arranged with the fixed cylinder (310), a main shaft (312) with one end installed on the fixed cylinder (310) and the other end installed on the fixed plate (311), a transmission shaft A (313) installed on the main shaft (312) through a rolling bearing in a rotating manner, a fixed disc (314) installed on the transmission shaft A (313), a plurality of driving grooves (315) which are circumferentially distributed around the central axis of the fixed disc (314) are arranged on the fixed disc (314), a transmission shaft B (316) which is installed on the transmission shaft A (313) through a rolling bearing in a rotating manner and is positioned between the fixed disc (314) and the fixed cylinder (310), a first transmission gear (317) installed on the transmission shaft B (316), a plurality of transmission grooves (318) which are circumferentially distributed around the central axis of the first transmission gear (317) are arranged on the first transmission gear (317), the first motor is arranged on the fixed disc (314), the second transmission gear (319) is arranged on an output shaft of the first motor and meshed with the first transmission gear (317), the third transmission gear (320) is arranged on the transmission shaft A (313) and positioned between the first transmission gear (317) and the fixed cylinder (310), the second motor (321) is arranged in the fixed cylinder (310), and the fourth transmission gear (322) is arranged on an output shaft of the second motor (321) and meshed with the third transmission gear (320);
the sampling assembly (309) further includes a drive post (323) movably mounted in the drive slot (315), a drive post (324) movably mounted in the drive slot (318) and having one end connected to the drive post (323), a sampling block (325) mounted on the drive post (323).
8. The high-stability adjustable shallow reef area seabed sediment sampling device of claim 7, wherein the sampling block (325) is of a fan-shaped structure, and the sampling block (325) is coaxially arranged with the fixed disc (314); sampling grooves (326) are arranged at two ends of the sampling block (325);
a plurality of accommodating grooves (327) which are annularly arrayed around the central axis of the fixed disc (314) are formed in the circumferential surface of the fixed disc (314), and the accommodating grooves (327) correspond to the driving grooves (315) one to one and are communicated with the driving grooves (315); the containing groove (327) is matched with the shape of the sampling block (325); one end of the containing groove (327) far away from the driving groove (315) is provided with a sealing strip.
9. The high-stability adjustable sampling device for the seabed sediment in the shallow reef area as claimed in claim 8, wherein the sampling structure (302) further comprises an outer cylinder A (328) which is arranged on the fixed cylinder (310) and is positioned at one end of the fixed cylinder (310) close to the fixed plate (311), an outer cylinder B (329) which is arranged on the fixed plate (311) and is positioned at one end of the fixed plate (311) close to the fixed cylinder (310), a cutting piece which is arranged on the cylindrical surface of the fixed cylinder (310) and is of a spiral structure, and a cutting head (331) which is arranged on the fixed plate (311) farthest from the transmission plate (308).
10. A collection method for the high stability adjustable shallow reef area seafloor sediment sampling device of claim 9, wherein the collection steps are as follows:
s1: on the sea surface, the support frame (100) is unfolded and is sunk into the sea bottom through a winch;
s2: after the support frame (100) is landed, the driving component (201) drives the turnover plate (202) to rotate, so that the turnover plate (202) is unfolded to be parallel to the X direction;
s3: the transmission assembly (301) drives the sampling structure (302) to be close to the submarine sediment, the sampling structure (302) is drilled, and the sampling structure (302) is inserted into the sediment;
s4: when the required depth is reached, one sampling assembly (309) drives the sampling block (325) to move radially, so that the sampling block (325) is inserted into the submarine sediment, the sampling assembly (309) drives the sampling block (325) to rotate, and the submarine sediment enters the sampling groove (326); then the acquisition assembly drives the sampling block (325) to move radially, and the sampling block (325) returns to the containing groove (327);
s5: repeating S3, S4, obtains a plurality of samples of different depths, such that the samples of different depths are stored in different sampling assemblies (309).
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