CN214667776U - Drilling sampling device for marine geological survey - Google Patents
Drilling sampling device for marine geological survey Download PDFInfo
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- CN214667776U CN214667776U CN202120370654.9U CN202120370654U CN214667776U CN 214667776 U CN214667776 U CN 214667776U CN 202120370654 U CN202120370654 U CN 202120370654U CN 214667776 U CN214667776 U CN 214667776U
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- fixedly connected
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- pressure water
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- 238000005070 sampling Methods 0.000 title claims abstract description 108
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000011835 investigation Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000036346 tooth eruption Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a drilling sampling device is used in marine geological survey relates to marine geological survey field, has solved the problem that marine geological survey sampling efficiency is low among the prior art, and its technical essential is: the water sampling device comprises a waterproof shell and at least three groups of supporting units, wherein the upper end of each supporting unit is fixedly connected with a first motor, a first propeller is fixedly connected onto the first motor, the supporting units are hinged onto the waterproof shell through connecting rods, a telescopic rod is further connected between each connecting rod and the waterproof shell, the bottom of the waterproof shell is rotatably connected with a sampling pipe, a driving unit and a cutting unit are further fixedly connected into the waterproof shell, each cutting unit comprises a high-pressure water pump and a high-pressure water pipe, and the bottom of the sampling pipe is provided with a water spraying hole through the high-pressure water pipe; the utility model discloses can pressurize the sampling tube at the sampling process to the increase is to the pressure in seabed, improves sampling efficiency.
Description
Technical Field
The utility model relates to a marine geology investigation field especially relates to a drilling sampling device is used in marine geology investigation.
Background
The development and utilization of ocean energy and resources, the research of ocean and global change, ocean environment and ecology are the most feasible ways for human beings to maintain the survival and development of the human beings, expand the living space and fully utilize the final precious land with rich resources on the earth. In ocean development, large-range and accurate ocean environment data need to be acquired, submarine exploration, sampling, underwater construction and the like need to be carried out, and a series of ocean development support technologies including deep sea exploration, deep submergence, ocean remote sensing, ocean navigation and the like are needed to complete the tasks. Seabed sampling cannot be carried out whether the seabed geological structure is researched, marine exploration is carried out or continental shelf engineering geological exploration is carried out.
For example, the patent publication "CN 209802727U" discloses a rock sampling device for marine geological survey, which comprises a sampler shell, wherein the top end of the sampler shell is sealed and installed by a rear cover, an electric telescopic rod and a driving motor are installed in the sampler shell, a base of the electric telescopic rod is installed on the rear cover, a telescopic end of the electric telescopic rod is fixedly connected with a base of the driving motor, an output shaft of the driving motor is connected with a rotary drum through a coupler, the rotary drum is rotatably inserted at the bottom of the sampler shell, the device stably supports a sampler on a sampling area through a buffer bracket, when the buffer bracket is placed down and sampled, a shock absorber can buffer vibration, the impact of the device is reduced, the sampling environment can be observed through an underwater lighting lamp and a camera, and the sampling tube is driven to extend through the electric telescopic rod, the driving motor enables the sampling tube to rotate, and the rapid sampling can be carried out on the hard rock on the seabed. However, because the seabed has large buoyancy, the seabed of the device has reverse acting force on the sampling device when sampling, so that the pressure of the device on the seabed during sampling is small, and the sampling efficiency of the device when sampling is low, and therefore, a drilling sampling device for marine geological investigation is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned defect, a drilling sampling device is used in marine geological survey is provided to solve the problem that marine geological survey sampling efficiency is low among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a drilling and sampling device for marine geological investigation comprises a waterproof shell and at least three groups of supporting units arranged on the waterproof shell, wherein the bottom of each supporting unit is a pointed end, the upper end of each supporting unit is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a first screw, the supporting units are hinged on the waterproof shell through connecting rods, a telescopic rod for driving the connecting rods to rotate on the waterproof shell is further connected between the connecting rods and the waterproof shell, the bottom of the waterproof shell is rotatably connected with a sampling tube, a fixing rod for fixing a sample is fixedly connected to the sampling tube along the axis of the sampling tube, a driving unit for driving the sampling tube to rotate and a cutting unit for cutting off the sample are further fixedly connected in the waterproof shell, and each cutting unit comprises a high-pressure water pump fixedly connected in the waterproof shell and a high-pressure water pipe arranged on the inner wall of the sampling tube, the high-pressure water pipe is provided with a water spray hole at the bottom of the sampling pipe; still fixedly connected with the control unit and group battery in the waterproof shell, group battery and control unit, first motor, drive unit and cutting unit electric connection.
As a further scheme of the utility model, the junction packing of supporting legs and first motor has the waterproof glue, and the surface of first motor is provided with the waterproof layer.
As a further aspect of the present invention, the telescopic rod is a hydraulic pump, the inlet and the liquid outlet of the telescopic rod are connected to the high pressure water pump through the solenoid valve.
As a further scheme of the utility model, the sampling tube is provided with the open-ended tube-shape for both ends, be provided with the water pipe groove on the inner wall of sampling tube, high pressure water pipe fixed connection is to on the water pipe groove, the one end that the sampling tube is close to the last hole for water spraying of high pressure water pipe is provided with the cutting tooth around the axis equipartition of sampling tube.
As a further scheme of the utility model, drive unit includes driving motor in the waterproof shell of fixed connection, sets up at the epaxial first gear of driving motor's output and the second gear of fixed connection on the sampling tube, the first baffle of fixedly connected with in the waterproof shell, driving motor fixed connection is on the first baffle, second gear fixed connection is located the sampling tube and keeps away from the one end of cutting the tooth, first gear and second gear meshing.
As a further scheme of the utility model, still be provided with the second baffle in the waterproof case, first baffle and second baffle set up the both sides at the second gear respectively, be provided with footstep bearing between the lateral wall of second baffle and sampling tube, be provided with end face bearing between second baffle and the mounting flange, be provided with end face bearing between first baffle and the second gear.
As a further scheme of the utility model, dead lever fixed connection is on the second gear, the lateral wall equipartition of dead lever has fixed tooth, it is the tip arch that fixed tooth is, the dead lever is close to the one end of keeping away from waterproof case and is provided with the drill bit.
As a further scheme of the utility model, the high pressure water pipe is two sections high-pressure lines of interconnect, fixedly connected with water pipe seat on the sampling tube, the water pipe seat is provided with the open-ended tube-shape for both ends, is located on the high pressure water pipe fixed connection on the sampling tube to the water pipe seat, and the high pressure water pipe that is connected with the high pressure water pump is fixed to be connected with the adapter through sealed bearing rotation, the adapter is provided with the open-ended tube-shape for both ends, adapter fixed connection is on the water pipe seat.
As a further scheme of the utility model, the one end that the sampling tube was kept away from to waterproof case is the second motor still, the output shaft of second motor passes waterproof case's lateral wall and at waterproof case's outside fixedly connected with second screw.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
1. the utility model discloses can pressurize the sampling tube at the sampling process to the increase is to the pressure in seabed, improves sampling efficiency.
2. The utility model discloses can also cut the rock stratum and fix the intraductal sample of sample, prevent that the sample from droing.
3. The utility model discloses can also reduce the resistance of come-up for sampling device is convenient for come-up.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Fig. 4 is a partially enlarged view of C in fig. 1.
Fig. 5 is a schematic structural view of the sampling tube of the present invention.
Fig. 6 is a partial enlarged view of fig. 5 at D.
Reference numerals: 1-a waterproof housing, 11-a first partition plate, 12-a second partition plate, 2-a support unit, 21-a support foot, 22-a first motor, 23-a first propeller, 3-a connecting rod, 4-a telescopic rod, 5-a sampling tube, 51-a water tube groove, 52-a cutting tooth, 6-a fixed rod, 7-a drive unit, 71-a drive motor, 72-a first gear, 73-a second gear, 8-a cutting unit, 81-a high-pressure water tube, 82-a water tube seat, 83-an adapter, 84-a high-pressure water pump, 9-a second motor, 91-a second propeller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
As shown in fig. 1-4, a drilling and sampling device for marine geological survey comprises a waterproof housing 1 and at least three groups of supporting units 2 arranged on the waterproof housing 1, wherein the bottom of each supporting unit 2 is a pointed end, the upper end of each supporting unit 2 is fixedly connected with a first motor 22, an output shaft of each first motor 22 is fixedly connected with a first propeller 23, each supporting unit 2 is hinged on the waterproof housing 1 through a connecting rod 3, a telescopic rod 4 for driving the connecting rod 3 to rotate on the waterproof housing 1 is further connected between the connecting rod 3 and the waterproof housing 1, the bottom of the waterproof housing 1 is rotatably connected with a sampling tube 5, the sampling tube 5 is fixedly connected with a fixing rod 6 for fixing a sample along the axis thereof, a driving unit 7 for driving the sampling tube 5 to rotate and a cutting unit 8 for cutting off the sample are further fixedly connected in the waterproof housing 1, the cutting unit 8 comprises a high-pressure water pump 84 fixedly connected in the waterproof shell 1 and a high-pressure water pipe 81 arranged on the inner wall of the sampling pipe 5, and the high-pressure water pipe 81 is provided with a water spray hole at the bottom of the sampling pipe 5; a control unit and a battery pack are fixedly connected in the waterproof shell 1, and the battery pack is electrically connected with the control unit, the first motor 22, the driving unit 7 and the cutting unit 8;
When the device is used, the device is sunk into the seabed, the first motor 22 is controlled to rotate forwards, when the first motor 22 rotates forwards, the first motor 22 pushes the supporting legs 21 to press to the seabed so as to prevent the supporting legs 21 from floating up during drilling, the driving unit 7 controls the sampling tube 5 to rotate, the sampling tube 5 drives the fixing rod 6 to rotate when rotating, the telescopic rod 4 controls the waterproof shell 1 to descend, the sampling tube 5 and the fixing rod 6 can be screwed into the seabed when the waterproof shell 1 descends, the cutting unit 8 is started when the sampling tube 5 and the fixing rod 6 are screwed into the seabed to a preset depth, the cutting unit 8 extracts seawater and pressurizes the seawater and then sprays out from the water spraying holes on the high-pressure water pipe 81, the pressurized seawater switches samples in the sampling tube 5 so as to prevent the samples from remaining in the seabed, then the waterproof shell 1 is controlled to rise through the telescopic rod 4, the first motor 22 is rotated reversely, the first motor 22 can drive the supporting legs 21 to move upwards, thereby reducing the resistance of the waterproof case 1 to rise;
the waterproof shell 1 is a sealed box body;
the supporting leg 21 is a round rod, the first motor 22 is fixedly connected to one end, far away from the pointed end, of the supporting leg 21 through interference fit, waterproof glue is filled at the joint of the supporting leg 21 and the first motor 22, and a waterproof layer is arranged on the surface of the first motor 22;
The connecting rod 3 is a square rod with connecting holes at two ends, and two ends of the connecting rod 3 are respectively hinged with the supporting legs 21 and the waterproof shell 1;
the telescopic rod 4 is a hydraulic pump, a liquid inlet and a liquid outlet of the telescopic rod 4 are both connected to a high-pressure water pump 84 through electromagnetic valves, and when the high-pressure water pump 84 works, the high-pressure water pump 84 fills seawater into the telescopic rod 4 or extracts seawater in the telescopic rod 4, so that the telescopic rod 4 is controlled to stretch;
as shown in fig. 5 and 6, the sampling tube 5 is a cylinder with openings at two ends, a water tube groove 51 is arranged on the inner wall of the sampling tube 5, the high-pressure water tube 81 is fixedly connected to the water tube groove 51, cutting teeth 52 uniformly distributed around the axis of the sampling tube 5 are arranged at one end of the sampling tube 5 close to a water spray hole on the high-pressure water tube 81, when the sampling tube 5 rotates, the cutting teeth 52 cut rock strata, and a mounting flange is arranged at one end of the sampling tube 5 far from the cutting teeth 52;
the driving unit 7 comprises a driving motor 71 fixedly connected into the waterproof casing 1, a first gear 72 arranged on an output shaft of the driving motor 71 and a second gear 73 fixedly connected onto the sampling tube 5, the waterproof casing 1 is fixedly connected with a first partition plate 11, the driving motor 71 is fixedly connected onto the first partition plate 11, the second gear 73 is fixedly connected onto a mounting flange positioned on the sampling tube 5, the first gear 72 is meshed with the second gear 73, when the driving motor 71 is electrified to rotate, the driving motor 71 drives the first gear 72 to rotate, the first gear 72 drives the second gear 73 to rotate, and the second gear 73 drives the sampling tube 5 to rotate;
A second clapboard 12 is further arranged in the waterproof shell 1, the first clapboard 11 and the second clapboard 12 are respectively arranged at two sides of an installation flange on the sampling tube 5, a thrust bearing is arranged between the second clapboard 12 and the side wall of the sampling tube 5, an end face bearing is arranged between the second clapboard 12 and the installation flange, and an end face bearing is arranged between the first clapboard 11 and the second gear 73, so that the abrasion between the sampling tube 5 and the waterproof shell 1 is reduced;
the fixed rod 6 is fixedly connected to the second gear 73, fixed teeth are uniformly distributed on the outer side wall of the fixed rod 6, the fixed teeth are pointed protrusions, a drill bit is arranged at one end, close to the waterproof shell 1, of the fixed rod 6, when the fixed rod 6 rotates, the fixed rod 6 drills a small hole in a rock stratum, the fixed teeth are spiral grooves in the inner rotation position of the small hole, and when the sampling tube 5 drives rock in the sampling tube 5 to ascend, the fixed teeth on the fixed rod 6 are clamped in the spiral grooves, so that the rock in the sampling tube 5 is prevented from sliding off;
as shown in fig. 3, the high-pressure water pipe 81 is two sections of interconnected high-pressure pipes, a water pipe seat 82 is fixedly connected to the second gear 73, the water pipe seat 82 is in a cylindrical shape with openings at two ends, the high-pressure water pipe 81 on the sampling pipe 5 is fixedly connected to the water pipe seat 82, the high-pressure water pipe 81 connected to the high-pressure water pump 84 is fixedly rotatably connected to an adapter 83 through a sealed bearing, the adapter 83 is in a cylindrical shape with openings at two ends, the adapter 83 is fixedly connected to the water pipe seat 82 through bolts, the water pipe seat 82 is fixedly connected to the second gear 73 through bolts, and the arrangement of the water pipe seat 82 and the adapter 83 can prevent the high-pressure water pipe 81 from winding;
The high-pressure water pipe 81 is connected with a high-pressure water pump 84 through an electromagnetic valve;
the control unit is a microprocessor;
as an optimal mode of the utility model, waterproof case 1 keeps away from the one end of sampling tube 5 and still second motor 9, the output shaft of second motor 9 passes the lateral wall of waterproof case 1 and at the outside fixedly connected with second screw 91 of waterproof case 1, second motor 9 and second screw 91 are convenient for control this device rise and increase the pressure of sampling tube 5 to the seabed.
To sum up, the utility model discloses a theory of operation is:
when the device is used, the device is sunk into the seabed, the first motor 22 is controlled to rotate forwards, when the first motor 22 rotates forwards, the first motor 22 pushes the supporting legs 21 to press to the seabed so as to prevent the supporting legs 21 from floating up during drilling, the driving unit 7 controls the sampling tube 5 to rotate, the sampling tube 5 drives the fixing rod 6 to rotate when rotating, the telescopic rod 4 controls the waterproof shell 1 to descend, the sampling tube 5 and the fixing rod 6 can be screwed into the seabed when the waterproof shell 1 descends, the cutting unit 8 is started when the sampling tube 5 and the fixing rod 6 are screwed into the seabed to a preset depth, the cutting unit 8 extracts seawater and pressurizes the seawater and then sprays out from the water spraying holes on the high-pressure water pipe 81, the pressurized seawater switches samples in the sampling tube 5 so as to prevent the samples from remaining in the seabed, then the waterproof shell 1 is controlled to rise through the telescopic rod 4, the first motor 22 is rotated reversely, the first motor 22 can drive the supporting legs 21 to move upwards, thereby reducing the resistance of the waterproof case 1 to rise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a drilling sampling device for marine geological survey, includes waterproof shell (1) and installs at least three supporting element (2) of group on waterproof shell (1), its characterized in that, the bottom of supporting element (2) is the tip, the upper end fixedly connected with first motor (22) of supporting element (2), fixedly connected with first screw (23) on the output shaft of first motor (22), supporting element (2) articulate on waterproof shell (1) through connecting rod (3), still be connected with between connecting rod (3) and waterproof shell (1) and drive connecting rod (3) pivoted telescopic link (4) on waterproof shell (1), the bottom of waterproof shell (1) rotates and is connected with sampling tube (5), the dead lever (6) that are used for fixed sample of fixedly connected with along its axis of sampling tube (5), the water-proof device is characterized in that a driving unit (7) for driving the sampling tube (5) to rotate and a cutting unit (8) for cutting off a sample are fixedly connected in the water-proof shell (1), the cutting unit (8) comprises a high-pressure water pump (84) fixedly connected in the water-proof shell (1) and a high-pressure water tube (81) arranged on the inner wall of the sampling tube (5), and the high-pressure water tube (81) is provided with a water spray hole at the bottom of the sampling tube (5); still fixedly connected with the control unit and group battery in waterproof shell (1), group battery and the control unit, first motor (22), drive unit (7) and cutting unit (8) electric connection.
2. The marine geological survey drilling and sampling device according to claim 1, wherein the joint between the supporting unit (2) and the first motor (22) is filled with waterproof glue, and a waterproof layer is provided on the surface of the first motor (22).
3. The borehole sampling device for marine geological investigation as defined in claim 1, characterized in that the telescopic rod (4) is a hydraulic pump, and the liquid inlet and the liquid outlet of the telescopic rod (4) are connected to a high-pressure water pump (84) through electromagnetic valves.
4. The drilling and sampling device for marine geological investigation according to claim 1, characterized in that the sampling tube (5) is cylindrical with openings at both ends, a water pipe groove (51) is arranged on the inner wall of the sampling tube (5), the high-pressure water pipe (81) is fixedly connected to the water pipe groove (51), and cutting teeth (52) uniformly distributed around the axis of the sampling tube (5) are arranged at one end of the sampling tube (5) close to the water spray holes on the high-pressure water pipe (81).
5. The marine geological survey drilling and sampling device according to claim 4, wherein the driving unit (7) comprises a driving motor (71) fixedly connected to the inside of the waterproof housing (1), a first gear (72) arranged on an output shaft of the driving motor (71), and a second gear (73) fixedly connected to the sampling pipe (5), the waterproof housing (1) is fixedly connected with a first partition plate (11), the driving motor (71) is fixedly connected to the first partition plate (11), the second gear (73) is fixedly connected to one end of the sampling pipe (5) far away from the cutting teeth (52), and the first gear (72) is meshed with the second gear (73).
6. The drilling and sampling device for marine geological investigation according to claim 5, characterized in that a second clapboard (12) is further arranged in the waterproof housing (1), the first clapboard (11) and the second clapboard (12) are respectively arranged at two sides of the second gear (73), a thrust bearing is arranged between the second clapboard (12) and the side wall of the sampling tube (5), an end face bearing is arranged between the second clapboard (12) and the mounting flange, and an end face bearing is arranged between the first clapboard (11) and the second gear (73).
7. The marine geological survey drilling and sampling device as claimed in claim 1, wherein the fixing rod (6) is fixedly connected to the second gear (73), the fixing teeth are uniformly distributed on the outer side wall of the fixing rod (6), the fixing teeth are pointed protrusions, and a drill bit is arranged at one end of the fixing rod (6) close to the end far away from the waterproof housing (1).
8. The borehole sampling device for marine geological investigation according to claim 1, characterized in that the high-pressure water pipe (81) is two sections of interconnected high-pressure water pipes, a water pipe base (82) is fixedly connected to the sampling pipe (5), the water pipe base (82) is a cylindrical pipe with openings at two ends, the high-pressure water pipe (81) on the sampling pipe (5) is fixedly connected to the water pipe base (82), the high-pressure water pipe (81) connected to the high-pressure water pump (84) is fixedly connected with an adapter (83) through a sealing bearing in a rotating manner, the adapter (83) is a cylindrical pipe with openings at two ends, and the adapter (83) is fixedly connected to the water pipe base (82).
9. The drilling and sampling device for marine geological survey according to any one of claims 1-8, characterized in that the end of the waterproof housing (1) far away from the sampling tube (5) is provided with a second motor (9), and the output shaft of the second motor (9) passes through the side wall of the waterproof housing (1) and is fixedly connected with a second propeller (91) at the outer side of the waterproof housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370654.9U CN214667776U (en) | 2021-02-11 | 2021-02-11 | Drilling sampling device for marine geological survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370654.9U CN214667776U (en) | 2021-02-11 | 2021-02-11 | Drilling sampling device for marine geological survey |
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| Publication Number | Publication Date |
|---|---|
| CN214667776U true CN214667776U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120370654.9U Expired - Fee Related CN214667776U (en) | 2021-02-11 | 2021-02-11 | Drilling sampling device for marine geological survey |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929833A (en) * | 2023-07-27 | 2023-10-24 | 广东海洋大学 | Marine geological environment exploration sampling equipment and sampling method |
| CN117007362A (en) * | 2023-07-24 | 2023-11-07 | 广东海洋大学 | Marine geological sediment sampling device |
-
2021
- 2021-02-11 CN CN202120370654.9U patent/CN214667776U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007362A (en) * | 2023-07-24 | 2023-11-07 | 广东海洋大学 | Marine geological sediment sampling device |
| CN117007362B (en) * | 2023-07-24 | 2024-02-02 | 广东海洋大学 | Marine geological sediment sampling device |
| CN116929833A (en) * | 2023-07-27 | 2023-10-24 | 广东海洋大学 | Marine geological environment exploration sampling equipment and sampling method |
| CN116929833B (en) * | 2023-07-27 | 2024-02-13 | 广东海洋大学 | Marine geological environment exploration sampling equipment and sampling method |
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Granted publication date: 20211109 |