CN117405459A - Layered water taking device and method for underground water monitoring well - Google Patents
Layered water taking device and method for underground water monitoring well Download PDFInfo
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- CN117405459A CN117405459A CN202311730847.0A CN202311730847A CN117405459A CN 117405459 A CN117405459 A CN 117405459A CN 202311730847 A CN202311730847 A CN 202311730847A CN 117405459 A CN117405459 A CN 117405459A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000012544 monitoring process Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 81
- 239000003673 groundwater Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 52
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract description 11
- 238000003491 array Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 14
- 235000017491 Bambusa tulda Nutrition 0.000 description 14
- 241001330002 Bambuseae Species 0.000 description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 14
- 239000011425 bamboo Substances 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Hydrology & Water Resources (AREA)
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- Health & Medical Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a layered water taking device and a layered water taking method for a groundwater monitoring well, and particularly relates to the technical field of water quality monitoring equipment, comprising a connecting middle frame, wherein a positioning piece is arranged on the outer side of the connecting middle frame; the invention relates to a sampling mechanism, which comprises a sampling outer barrel, wherein a middle pipe is fixedly clamped in the middle part of the sampling outer barrel, a partition plate is fixedly arranged between the outer wall of the middle pipe and the inner wall of the sampling outer barrel, and a plurality of annular arrays are arranged on the partition plate.
Description
Technical Field
The invention relates to the technical field of water quality monitoring equipment, in particular to a layered water taking device and method for a ground water monitoring well.
Background
With the development and technological progress of human society, problems of excessive development and pollution to groundwater are increasingly serious, ecological problems such as water level drop, ground subsidence, water quality deterioration and the like of groundwater frequently occur, and it is important to monitor water quality of an underground well in order to protect and manage groundwater resources. The underground water well water quality line monitoring is a process of collecting and analyzing data of key indexes such as water level, water temperature, pH value, conductivity, turbidity, dissolved oxygen, color, smell and taste of underground gravity water;
the construction of groundwater monitoring well can effectively monitor groundwater well quality of water, needs to take a sample to the water during quality monitoring, and traditional quality of water sampling device structure is simple relatively, can't accomplish the layering water intaking to inconvenient comprehensive monitoring to groundwater, and for this reason, we propose a groundwater monitoring well layering water intaking device and method and are used for solving above-mentioned problem.
Disclosure of Invention
The invention aims to provide a device and a method for layering water taking of a groundwater monitoring well, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device comprises a connecting middle frame, wherein a positioning piece is arranged on the outer side of the connecting middle frame, a connecting piece is fixedly arranged in the middle of the connecting middle frame, a sampling mechanism is fixedly arranged at the bottom end of the connecting piece, and a fixed moving mechanism is fixedly sleeved on the top of the outer side of the sampling mechanism;
the sampling mechanism comprises a sampling outer barrel, a middle pipe is arranged on a middle fixing clamp of the sampling outer barrel, a partition plate is fixedly installed between the outer wall of the middle pipe and the inner wall of the sampling outer barrel, a plurality of annular arrays are arranged on the partition plate, two adjacent partition plates form a sample storage cavity, a plurality of unidirectional pieces corresponding to the sample storage cavity are arranged on a bottom fixing clamp of the sampling outer barrel, a plurality of first connectors corresponding to the sample storage cavity are arranged on a top fixing clamp of the sampling outer barrel, an air control valve is fixedly installed on the top of each first connector, a plurality of air control valves are provided with a communication ring pipe, a sealing frame is arranged on the bottom rotating sleeve of the sampling outer barrel, a through groove is formed in one side of the sealing frame, a rotating shaft is rotatably installed in the middle of the middle pipe, and the bottom of the rotating shaft and the top of the sealing frame are fixedly installed in the middle.
As a preferable technical scheme of the invention, the unidirectional piece comprises a unidirectional pipe, the unidirectional pipe is fixedly clamped at the bottom end of the sampling outer cylinder, a plugging ring is fixedly clamped at the bottom of the inner side of the unidirectional pipe, a plugging disc is movably clamped at the middle part of the plugging ring, a sealing gasket is fixedly sleeved at the bottom of the plugging disc, the lower surface of the sealing gasket is contacted with the upper surface of the plugging ring, an auxiliary shaft is fixedly arranged at the middle part of the top end of the plugging disc, an auxiliary frame is fixedly clamped at the top of the inner side of the unidirectional pipe, the auxiliary shaft is movably inserted at the middle part of the auxiliary frame, a spring is movably sleeved at the outer side of the auxiliary shaft between the bottom end of the auxiliary frame and the top end of the plugging disc, and a limiting ring is fixedly sleeved at the top of the auxiliary shaft.
As a preferable technical scheme of the invention, the bottom end of the communication annular pipe is integrally formed with a connecting branch pipe corresponding to the air control valve, the bottom end of the connecting branch pipe and the top end of the air control valve are fixedly arranged, a second connector is fixedly arranged on the communication annular pipe, and a connecting pipe is fixedly arranged at the top end of the second connector.
As a preferable technical scheme of the invention, a first protective cover is fixedly arranged in the middle of the top end of the sampling outer cylinder, a first motor is fixedly arranged in the first protective cover, and the driving end of the first motor and the top end of the rotating shaft are fixedly arranged.
As an optimized technical scheme of the invention, the fixed moving mechanism comprises a fixed ring frame, the top of the sampling outer cylinder is fixedly clamped in the middle of the fixed ring frame, a plurality of auxiliary carriages distributed in an annular array are integrally formed on the outer side of the fixed ring frame, telescopic frames are arranged in the auxiliary carriages in a sliding clamping mode, moving parts are fixedly arranged at the opposite ends of the telescopic frames, rotating seats are fixedly clamped at the opposite ends of the auxiliary carriages, a telescopic screw is rotatably arranged in the middle of the rotating seats, a thread groove matched with the telescopic screw is formed in the telescopic frame, the telescopic screw is arranged in the thread groove in a threaded mode, first gears are fixedly arranged at the opposite ends of the telescopic screw, crown gears are rotatably arranged at the bottom of the inner side of the rotating seats, and the top of each crown gear is in meshed connection with the first gears.
As a preferable technical scheme of the invention, the moving part comprises a U-shaped frame, the U-shaped frame is fixedly arranged at the end part of the telescopic frame, a moving shaft is rotatably arranged at one end of the U-shaped frame far away from the telescopic frame, a moving wheel is fixedly arranged in the middle of the moving shaft, a worm wheel is fixedly sleeved at one end part of the moving shaft, the worm wheel is positioned in the U-shaped frame, a third motor is fixedly arranged at one side, close to the worm wheel, of the U-shaped frame, a worm is fixedly arranged at the driving end of the third motor, and the worm is in meshed connection with the worm wheel.
As a preferable technical scheme of the invention, a second protection cover is fixedly arranged on the outer side of the fixed ring frame, a second motor is fixedly arranged in the second protection cover, the driving end of the second motor extends into the fixed ring frame, a second gear is fixedly arranged at the driving end of the second motor, and the second gear is meshed and connected with the top of the crown gear.
As a preferable technical scheme of the invention, the positioning piece comprises a plurality of installation seats distributed in an annular array, the installation seats are fixedly installed on the outer sides of the connecting middle frames, positioning cross rods are installed in the installation seats in a threaded mode, positioning frames are sleeved on the outer sides of the positioning cross rods in a sliding mode, positioning longitudinal rods are fixedly installed at the bottom ends of the positioning frames, positioning screw rods are installed at the top portions of the positioning frames in a threaded mode, and the bottom ends of the positioning screw rods are in contact with the upper surfaces of the positioning cross rods.
As a preferable technical scheme of the invention, the connecting piece comprises a telescopic outer barrel, a plurality of telescopic middle barrels are arranged in the telescopic outer barrel in a sliding clamping manner, the telescopic middle barrels are arranged in a plurality of telescopic middle barrels from outside to inside, adjacent telescopic middle barrels are in sliding clamping connection, a telescopic inner barrel is arranged in the telescopic outer barrel, the telescopic inner barrel is in sliding clamping connection with the middle part of the telescopic middle barrel at the inner side position, the connecting piece is fixedly clamped with the middle part of the connecting middle frame through the telescopic outer barrel, and the connecting piece is fixedly arranged at the middle part of the top end of the first protective cover through the bottom end of the telescopic inner barrel.
The application method of the underground water monitoring well layered water taking device comprises the following steps:
connecting the end part of the connecting pipe with a port of the pump, arranging the sampling mechanism and the positioning mechanism in the underground water monitoring well until the positioning cross rod is in contact with the top end of the underground water monitoring well, positioning the positioning cross rod and the positioning mechanism by using a roller type, controlling to start a second motor to drive a second gear to rotate so as to drive a crown gear to rotate, synchronously driving a plurality of first gears to rotate, further driving a plurality of telescopic screws to rotate, synchronously driving a plurality of telescopic frames to slide back in cooperation with the telescopic screws, further driving a plurality of moving parts to slide back until the plurality of moving wheels are in contact with the inner wall of the underground water monitoring well, positioning the positioning cross rod and the inner wall of the underground water monitoring well by using a roller type, and then driving a positioning longitudinal rod to move by using a sliding positioning frame, contacting the outer wall of the positioning longitudinal rod and the underground water monitoring well by rotating the positioning screw rod, and positioning the positioning part at the top end of the underground water monitoring well by using the positioning screw rod;
step two, controlling to start a third motor, driving a worm to drive a worm wheel to rotate, driving a movable shaft to rotate, driving a movable wheel to rotate, and driving a sampling mechanism to stably move downwards in the underground water monitoring well, so that the fixed moving mechanism moves to a space above the position of the first water sample layer of the underground water monitoring well, and the bottom of the sampling mechanism enters the first water sample layer of the underground water monitoring well;
step three, controlling to start a first motor to drive a rotating shaft to rotate so as to drive a sealing frame to rotate, when a through groove corresponds to a corresponding one-way piece, opening the one-way piece, controlling to start a pump, through communicating a circular pipe, a connecting branch pipe, a first connecting joint and a sample storage cavity, matching to start a corresponding air control valve, reducing air pressure in the corresponding sample storage cavity, moving a sealing disc upwards in the one-way piece to drive an auxiliary shaft to move upwards and extrude a spring, at the moment, separating the sealing disc from a sealing ring, opening the sealing ring, introducing a water sample at the position of the layer into the one-way pipe through the sealing ring, and entering the corresponding sample storage cavity, performing automatic cache sampling of the water sample of the layer, closing the pump, driving the sealing disc to move downwards by spring reset, enabling the sealing disc to be movably clamped in the corresponding sealing ring, and enabling the lower surface of a sealing gasket to be in contact with the upper surface of the sealing ring to seal the sample storage cavity so as to prevent the sample leakage of the layer;
step four, controlling the shifting mechanism and the sampling mechanism to move downwards again, enabling the shifting mechanism to enter a first layer of water sample position, enabling the bottom of the sampling mechanism to enter a second layer of water sample of the underground water monitoring well, then controlling to start a first motor to drive a rotating shaft to rotate, driving a sealing frame to rotate, enabling a through groove to correspond to the next one-way piece, enabling the one-way piece to be opened, controlling to start a pump, and enabling a corresponding air control valve to suck the second layer of water sample into the next sample storage cavity;
step five, gradually sampling the next layer of water sample by the step four until the water sample contacts, and moving the fixing and moving mechanism and the sampling mechanism upwards to detach the whole device.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up sampling mechanism, the cooperation is used and is decided moving the mechanism, carries out the gyro wheel location of sampling mechanism to drive the automatic downshifting of sampling mechanism, make sampling mechanism progressively carry out automatic layering sample and separate buffering to every layer of water sample, promote the monitoring effect of groundwater monitoring in-well water sample, be convenient for carry out comprehensive monitoring to groundwater.
2. Through setting up and decide moving the mechanism, adjust the interval of a plurality of removal wheels, the gyro wheel type location of the groundwater monitoring well inner wall of the different internal diameter size of adaptation of being convenient for promotes the flexibility of whole device.
3. Through setting up the setting element, can fix a position the setting element on the top of groundwater monitoring well, and then fix a position whole device, promote the stability of follow-up device layering sample, the cooperation uses the connecting piece, promotes the stability when sampling mechanism moves down the layering sample.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic diagram of the structure of the present invention,
FIG. 2 is a schematic diagram of a sampling mechanism according to the present invention,
FIG. 3 is a schematic view showing the structural connection of the middle tube and the partition plate in the present invention,
figure 4 is a schematic view of the structure of the unidirectional element of the present invention,
figure 5 is a schematic view of the structure of the fixed moving mechanism in the invention,
figure 6 is an enlarged view of the invention at a in figure 5,
figure 7 is a schematic view of the structure of the moving member in the present invention,
FIG. 8 is a schematic diagram showing the structural connection of the connecting center and the positioning member in the present invention,
figure 9 is a schematic view of the structure of the connector according to the present invention,
figure 10 is an enlarged view of the invention at B in figure 9,
fig. 11 is an enlarged view of fig. 9C in accordance with the present invention.
In the figure: 1. connecting the middle frame; 2. a positioning piece; 3. a connecting piece; 4. a sampling mechanism; 5. a fixed moving mechanism; 41. sampling an outer cylinder; 42. a middle tube; 421. a partition plate; 401. a sample storage cavity; 43. a unidirectional member; 44. a first connector; 45. a gas control valve; 46. a communicating ring pipe; 461. a connecting branch pipe; 47. a second connector; 471. a connecting pipe; 48. a rotation shaft; 49. sealing a frame; 491. a through groove; 410. a first motor; 411. a first shield; 431. a unidirectional tube; 432. a plugging ring; 433. a plugging disc; 434. a sealing gasket; 435. an auxiliary shaft; 436. an auxiliary frame; 437. a spring; 438. a limiting ring; 51. fixing the ring frame; 52. an auxiliary carriage; 53. a telescoping frame; 531. a thread groove; 54. a rotating seat; 541. a telescopic screw; 55. a first gear; 551. a crown gear; 56. a second shield; 561. a second motor; 562. a second gear; 57. a moving member; 571. a U-shaped frame; 572. a movable shaft; 573. a moving wheel; 574. a third motor; 575. a worm wheel; 576. a worm; 21. a mounting base; 22. positioning the cross bar; 23. a positioning frame; 231. positioning a screw; 24. positioning a longitudinal rod; 31. a telescopic outer cylinder; 32. a telescopic middle tube; 33. and (5) telescoping the inner cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-11, the invention provides a layered water taking device of a groundwater monitoring well, which comprises a connecting middle frame 1, wherein a positioning piece 2 is arranged on the outer side of the connecting middle frame 1, a connecting piece 3 is fixedly arranged in the middle of the connecting middle frame 1, a sampling mechanism 4 is fixedly arranged at the bottom end of the connecting piece 3, and a fixed moving mechanism 5 is fixedly sleeved on the top of the outer side of the sampling mechanism 4;
the sampling mechanism 4 comprises a sampling outer barrel 41, a middle pipe 42 is fixedly clamped in the middle of the sampling outer barrel 41, a plurality of partition plates 421 are fixedly arranged between the outer wall of the middle pipe 42 and the inner wall of the sampling outer barrel 41, the partition plates 421 are provided with a plurality of annular array distribution, a sample storage cavity 401 is formed between two adjacent partition plates 421, a plurality of sample storage cavities 401 are formed in an isolated mode through the plurality of partition plates 421 distributed in the annular array distribution, the subsequent layered water taking and independent buffering of underground water monitoring wells are facilitated, a plurality of one-way pieces 43 corresponding to the sample storage cavities 401 are fixedly clamped at the bottom end of the sampling outer barrel 41, a plurality of first connecting joints 44 corresponding to the sample storage cavities 401 are fixedly clamped at the top end of the sampling outer barrel 41, a gas control valve 45 is fixedly arranged at the top end of each first connecting joint 44, a plurality of connecting annular pipes 461 are arranged at the top ends of the gas control valves 45, the bottom ends of the connecting annular pipes 46 are integrally formed with connecting branch pipes corresponding to the gas control valves 45, the bottom ends of the connecting branch pipes 461 are fixedly arranged at the top ends of the gas control valves 45, a second connecting joint 47 is fixedly arranged on the connecting 46, and when the top ends of the connecting joints 47 are fixedly arranged at the connecting joints 47 and the corresponding to the connecting pipe 401 and the end of the gas control valve 401 are connected with a connecting pipe 401, and the connecting pipe 46 is opened by a connecting pump and a connecting pipe 401 and a connecting machine is connected to the corresponding to the end of the connecting pipe 401;
the bottom of the sampling outer cylinder 41 is rotatably sleeved with a sealing frame 49, the sealing frame 49 seals the bottom ends of the unidirectional pieces 43, a through groove 491 is formed in one side of the sealing frame 49, a rotary shaft 48 is rotatably arranged in the middle of the middle pipe 42, the bottom end of the rotary shaft 48 and the middle of the top end of the sealing frame 49 are fixedly arranged, a first protective cover 411 is fixedly arranged in the middle of the top end of the sampling outer cylinder 41, a first motor 410 is fixedly arranged in the first protective cover 411, and the driving end of the first motor 410 and the top end of the rotary shaft 48 are fixedly arranged; the first motor 410 is controlled to be started to drive the rotation shaft 48 to rotate, so that the sealing frame 49 is driven to rotate, and when the through groove 491 corresponds to the corresponding one-way piece 43, the one-way piece 43 is opened, so that the layer of water sample can be conveniently extracted.
The unidirectional member 43 comprises a unidirectional tube 431, the unidirectional tube 431 is fixedly connected to the bottom end of the sampling outer cylinder 41 in a clamping mode, a blocking ring 432 is fixedly arranged at the bottom of the inner side of the unidirectional tube 431 in a clamping mode, a blocking disc 433 is movably arranged at the middle of the blocking ring 432 in a clamping mode, a sealing gasket 434 is fixedly sleeved at the bottom of the blocking disc 433, the lower surface of the sealing gasket 434 is in contact with the upper surface of the blocking ring 432, an auxiliary shaft 435 is fixedly arranged at the middle of the top end of the blocking disc 433, an auxiliary frame 436 is fixedly arranged at the top of the unidirectional tube 431 in a clamping mode, the auxiliary shaft 435 is movably connected to the middle of the auxiliary frame 436 in a clamping mode, a spring 437 is movably sleeved at the outer side of the auxiliary shaft 435 between the bottom end of the auxiliary frame 436 and the top of the blocking disc 433, a limiting ring 438 is sleeved at the top of the auxiliary shaft 435 in a clamping mode, the blocking disc 433 moves upwards when the air pressure in the corresponding sample storage cavity 401 is reduced, the blocking disc 433 is driven to move upwards, the auxiliary shaft 433 is separated from the upper surface of the blocking ring 432, the water sample is guided into the unidirectional tube 431 through the blocking ring 432, and the corresponding to the water sample storage cavity 401, and the water sample is automatically buffered in the sample storage cavity 401.
The fixed moving mechanism 5 comprises a fixed ring frame 51, the top of the sampling outer cylinder 41 is fixedly clamped in the middle of the fixed ring frame 51, the sampling mechanism 4 and the fixed moving mechanism 5 are fixed, a plurality of auxiliary carriages 52 distributed in an annular array are integrally formed on the outer side of the fixed ring frame 51, telescopic frames 53 are slidably clamped in the auxiliary carriages 52, the telescopic frames 53 slide in a translational manner in the corresponding auxiliary carriages 52, moving parts 57 are fixedly arranged at opposite ends of the telescopic frames 53, rotating seats 54 are fixedly clamped at opposite ends of the auxiliary carriages 52, telescopic screws 541 are rotatably arranged in the middle of the rotating seats 54, threaded grooves 531 matched with the telescopic screws 541 are formed in the telescopic frames 53, first gears 55 are fixedly arranged at opposite ends of the telescopic screws 541, crown gears 551 are rotatably arranged at the bottoms of the inner sides of the rotating seats 54, the crown gears 551 are in meshed connection with the first gears 55, and when the crown gears 551 are controlled to rotate, the first gears 551 are driven to synchronously rotate, and the telescopic screws 541 are correspondingly and synchronously driven to rotate, and move in the plurality of telescopic screws 541, and the telescopic screws 541 are correspondingly and are correspondingly driven to rotate, and then the telescopic screws 541 are correspondingly and are correspondingly rotated to rotate, and are correspondingly rotated to rotate;
in contrast, by controlling the crown gear 551 to rotate reversely, the plurality of first gears 55 are synchronously driven to rotate reversely, and then the plurality of telescopic screws 541 are driven to rotate reversely, and the plurality of telescopic frames 53 are synchronously driven to slide in opposite directions in cooperation with the telescopic screws 541 being screwed in the corresponding screw grooves 531, and then the plurality of moving members 57 are driven to slide in opposite directions.
The moving member 57 comprises a U-shaped frame 571, the U-shaped frame 571 is fixedly installed at the end of the telescopic frame 53, a moving shaft 572 is rotatably installed at one end of the U-shaped frame 571 far away from the telescopic frame 53, a moving wheel 573 is fixedly installed in the middle of the moving shaft 572, and the moving wheels 573 are controlled to slide back until the moving wheels 573 are contacted with the inner wall of the groundwater monitoring well, so that roller positioning between the fixed moving mechanism 5 and the inner wall of the groundwater monitoring well is performed, and roller positioning of the sampling mechanism 4 is performed, so that stability of the sampling mechanism 4 in the groundwater monitoring well is improved;
wherein, through adjusting the interval of a plurality of removal wheels 573, the gyro wheel type location of the groundwater monitoring well inner wall of adaptation different internal diameter sizes of being convenient for promotes the flexibility of whole device.
The fixed cover in one end of movable shaft 572 is equipped with worm wheel 575, worm wheel 575 is arranged in U type frame 571, one side of U type frame 571 that is close to worm wheel 575 is fixed mounting has third motor 574, the driving end fixed mounting of third motor 574 has worm 576, worm 576 and worm wheel 575 meshing are connected, during the use, control opens third motor 574, drives worm 576 drive worm wheel 575 rotation to drive movable shaft 572 rotation, and then drive movable wheel 573 and rotate, and then drive sampling mechanism 4 and stabilize down in the groundwater monitoring well, drive sampling mechanism 4 progressively get into every layer of water sample in the groundwater monitoring well in proper order, be convenient for carry out the layering sample to the water in the groundwater monitoring well, promote the monitoring effect of groundwater monitoring well water sample, be convenient for carry out comprehensive monitoring to groundwater.
The outside fixed ring frame 51 fixed mounting has the second protection casing 56, fixed mounting has the second motor 561 in the second protection casing 56, the drive end of second motor 561 extends to in the fixed ring frame 51, the drive end fixed mounting of second motor 561 has the second gear 562, the top meshing of second gear 562 and crown gear 551 is connected, and during the use, control opens second motor 561 and drives the rotation of second gear 562 to drive crown gear 551 and rotate.
The locating piece 2 includes a plurality of mount pads 21 that annular array distributes, mount pad 21 fixed mounting is in the outside of connecting center 1, all screw thread installs location horizontal pole 22 in the mount pad 21, the outside of location horizontal pole 22 all slip cap is equipped with locating frame 23, the bottom of locating frame 23 all fixed mounting has location vertical pole 24, the locating screw 231 is all screw thread installed at the top of locating frame 23, the bottom of locating screw 231 and the upper surface contact of location horizontal pole 22, during the use, place sampling mechanism 4, displacement mechanism 5 in the groundwater monitoring well, until the top contact of location horizontal pole 22 and groundwater monitoring well, and the gyro wheel location of sampling mechanism 4, displacement mechanism 5 is followed to slide locating frame 23 drives location vertical pole 24 and removes, makes location vertical pole 24 and groundwater monitoring well's outer wall contact to fix location piece 2 through rotating locating screw 231 to the top of groundwater monitoring well, and then fix a position whole device, promotes the stability of follow-up device layering sampling.
The connecting piece 3 includes flexible urceolus 31, slip card is equipped with flexible section of thick bamboo 32 in the flexible urceolus 31, flexible section of thick bamboo 32 is equipped with a plurality of from outside to interior in the flexible section of thick bamboo 32 is adjacent flexible section of thick bamboo 32 slip joint in the flexible section of thick bamboo 32 each other of being convenient for, and flexible section of thick bamboo 32 slip flexible in flexible urceolus 31, be equipped with flexible inner tube 33 in the flexible urceolus 31, flexible inner tube 33 slip joint is in the middle part of flexible section of thick bamboo 32 in inboard position flexible, and flexible inner tube 33 of being convenient for slides and stretches out and draws back in the middle part of corresponding flexible section of thick bamboo 32, connecting piece 3 is through flexible urceolus 31 fixed joint in the middle part of connecting middle frame 1, connecting piece 3 is through the bottom fixed mounting of flexible inner tube 33 in the top middle part of first 411 protection casing, carries out the fixed between connecting piece 3, the sampling mechanism 4, and when follow-up sampling mechanism 4 descends, a plurality of flexible section of thick bamboo 32 slip flexible each other in flexible urceolus 31, flexible inner tube 32 slide flexible in flexible section of thick bamboo 33 in flexible urceolus 32 in the flexible section of thick bamboo 32 of corresponding flexible, carries out slip flexible section of thick bamboo 33 in the middle part of flexible section of thick bamboo 31 in the flexible section of 1, and flexible section of thick bamboo 33 and carries out the fixed connection in the fixed connection of 1 in the 1 between the first 411 when 1 and flexible section of sampling mechanism of the sampling mechanism 4 down.
The application method of the underground water monitoring well layered water taking device comprises the following steps:
step one, connecting the end of the connecting pipe 471 with the port of the pump, placing the sampling mechanism 4 and the positioning mechanism 5 in the underground water monitoring well until the positioning cross rod 22 contacts with the top end of the underground water monitoring well, performing roller positioning of the sampling mechanism 4 and the positioning mechanism 5, controlling to start the second motor 561 to drive the second gear 562 to rotate so as to drive the crown gear 551 to synchronously drive the plurality of first gears 55 to rotate so as to drive the plurality of telescopic screws 541 to rotate, installing the telescopic screws 541 in the corresponding thread grooves 531 in a threaded manner, synchronously driving the plurality of telescopic frames 53 to slide back, driving the plurality of moving pieces 57 to slide back until the plurality of moving pieces 573 contact with the inner wall of the underground water monitoring well, performing roller positioning between the positioning mechanism 5 and the inner wall of the underground water monitoring well, then sliding the positioning frame 23 to drive the positioning longitudinal rod 24 to move so as to make the positioning longitudinal rod 24 contact with the outer wall of the underground water monitoring well, and fixing the positioning frame 23 through rotating the positioning screw 231 so as to position the positioning piece 2 at the top end of the underground water monitoring well;
step two, controlling to start a third motor 574, driving a worm 576 to drive a worm wheel 575 to rotate, driving a movable shaft 572 to rotate, driving a movable wheel 573 to rotate, and driving a sampling mechanism 4 to stably move downwards in the underground water monitoring well, so that a fixed moving mechanism 5 moves to a space above the position of the first water sample in the underground water monitoring well, and the bottom of the sampling mechanism 4 enters the first water sample in the underground water monitoring well;
step three, controlling to start the first motor 410 to drive the rotation shaft 48 to rotate, so as to drive the sealing frame 49 to rotate, when the through groove 491 corresponds to the corresponding one-way piece 43, opening the one-way piece 43, controlling to start the pump, and by communicating the annular pipe 46, the connecting branch pipe 461, the first connecting joint 44 and the sample storage cavity 401, cooperatively starting the corresponding air control valve 45, reducing the air pressure in the corresponding sample storage cavity 401, wherein the sealing disc 433 in the one-way piece 43 moves upwards to drive the auxiliary shaft 435 to move upwards and press the spring 437, at the moment, the sealing disc 433 breaks away from the sealing ring 432, the sealing ring 432 is opened, a water sample at the layer position is led into the one-way pipe 431 through the sealing ring 432, and enters the corresponding sample storage cavity 401, automatic buffering sampling of the water sample is carried out, the pump is closed, the spring 437 resets to drive the sealing disc 433 to move downwards, the sealing disc 433 is movably clamped in the corresponding sealing ring 432, and the lower surface of the sealing gasket 434 is contacted with the upper surface of the sealing ring 432, thus preventing the sample leakage of the sample in the sample storage cavity 401;
step four, controlling the displacement mechanism 5 and the sampling mechanism 4 to move downwards again, enabling the displacement mechanism 5 to enter a first layer of water sample position, enabling the bottom of the sampling mechanism 4 to enter a second layer of water sample of the underground water monitoring well, then controlling to start the first motor 410 to drive the rotating shaft 48 to rotate, driving the sealing frame 49 to rotate, enabling the through groove 491 to correspond to the next one-way piece 43, enabling the one-way piece 43 to be opened, controlling to start the pump, and controlling to start the air control valve 45 to suck the second layer of water sample into the next sample storage cavity 401;
step five, gradually sampling the next layer of water sample by the step four until the water sample contacts, and moving the fixing and moving mechanism 5 and the sampling mechanism 4 upwards to detach the whole device.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a groundwater monitoring well layering water intaking device, is including connecting center (1), its characterized in that: the outer side of the connecting middle frame (1) is provided with a positioning piece (2), the middle part of the connecting middle frame (1) is fixedly provided with a connecting piece (3), the bottom end of the connecting piece (3) is fixedly provided with a sampling mechanism (4), and the top of the outer side of the sampling mechanism (4) is fixedly sleeved with a fixed moving mechanism (5);
the utility model provides a sampling mechanism (4) is including sample urceolus (41), the middle part fixation card of sample urceolus (41) is equipped with well pipe (42), fixed mounting has division board (421) between the outer wall of well pipe (42) and the inner wall of sample urceolus (41), division board (421) are equipped with a plurality of annular array distributions, adjacent two form between division board (421) and store up appearance chamber (401), the bottom fixation card of sample urceolus (41) is equipped with a plurality of unidirection spare (43) that correspond with storing appearance chamber (401), the top fixation card of sample urceolus (41) is equipped with a plurality of first connectors (44) that correspond with storing appearance chamber (401), the equal fixed mounting in top of first connector (44) has accuse pneumatic valve (45), a plurality of the top of accuse pneumatic valve (45) is equipped with intercommunication ring pipe (46), the bottom rotation cover of sample urceolus (41) is equipped with seals frame (49), logical groove (491) has been seted up to one side of sealing frame (49), the middle part rotation of well pipe (41) is equipped with rotation axis (48) and the fixed mounting in the bottom of rotation (49).
2. A groundwater monitoring well stratified water intake device according to claim 1, wherein: the utility model provides a single-way piece (43) is including single-way pipe (431), the bottom of single-way pipe (431) fixed joint in sample urceolus (41), the inboard bottom fixed joint of single-way pipe (431) is equipped with shutoff ring (432), the middle part activity card of shutoff ring (432) is equipped with shutoff dish (433), the fixed cover in bottom of shutoff dish (433) is equipped with sealing washer (434), the upper surface contact of sealing washer (434) lower surface and shutoff ring (432), the top middle part fixed mounting of shutoff dish (433) has auxiliary shaft (435), the inboard top fixed joint of single-way pipe (431) is equipped with auxiliary frame (436), auxiliary shaft (435) activity grafting is in the middle part of auxiliary frame (436), auxiliary shaft (435) outside movable sleeve between auxiliary frame (436) bottom and shutoff dish (433) top is equipped with spring (437), the top fixed cover of auxiliary shaft (435) is equipped with spacing ring (438).
3. A groundwater monitoring well stratified water intake device according to claim 1, wherein: the bottom integrated into one piece of intercommunication ring canal (46) has connecting branch pipe (461) that corresponds with accuse pneumatic valve (45), the top fixed mounting of the bottom of connecting branch pipe (461) and accuse pneumatic valve (45), fixed mounting has second connector (47) on intercommunication ring canal (46), the top fixed mounting of second connector (47) has connecting pipe (471).
4. A groundwater monitoring well stratified water intake device according to claim 1, wherein: the middle part of the top end of the sampling outer barrel (41) is fixedly provided with a first protective cover (411), a first motor (410) is fixedly arranged in the first protective cover (411), and the driving end of the first motor (410) and the top end of the rotating shaft (48) are fixedly arranged.
5. A groundwater monitoring well stratified water intake device according to claim 1, wherein: the utility model provides a fixed mechanism (5) including fixed ring frame (51), the fixed joint in the middle part of fixed ring frame (51) in top of sample urceolus (41), the outside integrated into one piece of fixed ring frame (51) has a plurality of auxiliary sliding frame (52) that annular array distributes, all slide the card in auxiliary sliding frame (52) and be equipped with flexible frame (53), a plurality of the equal fixed mounting in opposite ends of flexible frame (53) has moving part (57), and a plurality of the equal fixed card in opposite ends of auxiliary sliding frame (52) is equipped with rotation seat (54), flexible screw (541) are installed in the middle part rotation of rotation seat (54), screw thread groove (531) with flexible screw (541) cooperation use has been seted up in flexible frame (53), flexible screw (541) screw thread mount is in screw thread groove (531), the equal fixed mounting of relative end of flexible screw (541) has first gear (55), the inboard bottom rotation of rotation seat (54) is installed crown gear (551), crown gear (551) top and first gear (55) are connected.
6. A groundwater monitoring well stratified water intake device according to claim 5, wherein: the movable part (57) comprises a U-shaped frame (571), the U-shaped frame (571) is fixedly arranged at the end part of the telescopic frame (53), a movable shaft (572) is rotatably arranged at one end of the U-shaped frame (571) far away from the telescopic frame (53), a movable wheel (573) is fixedly arranged in the middle of the movable shaft (572), a worm wheel (575) is fixedly sleeved at one end part of the movable shaft (572), the worm wheel (575) is arranged in the U-shaped frame (571), a third motor (574) is fixedly arranged at one side, close to the worm wheel (575), of the U-shaped frame (571), a worm (576) is fixedly arranged at the driving end of the third motor (574), and the worm (576) is in meshed connection with the worm wheel (575).
7. A groundwater monitoring well stratified water intake device according to claim 5, wherein: the outside fixed ring frame (51) fixed mounting has second protection casing (56), fixed mounting has second motor (561) in second protection casing (56), in the drive end of second motor (561) extends to fixed ring frame (51), the drive end fixed mounting of second motor (561) has second gear (562), the top meshing of second gear (562) and crown gear (551) is connected.
8. A groundwater monitoring well stratified water intake device according to claim 1, wherein: the locating piece (2) is including a plurality of mount pad (21) that annular array distributes, mount pad (21) fixed mounting is in the outside of connecting center (1), equal screw thread installs location horizontal pole (22) in mount pad (21), the equal slip cap in outside of location horizontal pole (22) is equipped with locating frame (23), equal fixed mounting in bottom of locating frame (23) has location vertical pole (24), equal screw thread at the top of locating frame (23) installs locating screw (231), the bottom of locating screw (231) and the upper surface contact of location horizontal pole (22).
9. A groundwater monitoring well stratified water intake device according to claim 4, wherein: the connecting piece (3) comprises a telescopic outer cylinder (31), a telescopic middle cylinder (32) is arranged in the telescopic outer cylinder (31) in a sliding mode, a plurality of telescopic middle cylinders (32) are arranged from outside to inside, the telescopic middle cylinders (32) are adjacent in a sliding mode, a telescopic inner cylinder (33) is arranged in the telescopic outer cylinder (31), the middle portion of the telescopic middle cylinder (32) is arranged at the inner side of the telescopic inner cylinder (33) in a sliding mode, the connecting piece (3) is fixedly connected to the middle portion of the connecting middle frame (1) through the telescopic outer cylinder (31), and the connecting piece (3) is fixedly arranged at the middle portion of the top end of the first protective cover (411) through the bottom end of the telescopic inner cylinder (33).
10. A method of using a groundwater monitoring well stratified water intake device according to any one of claims 1-9, comprising the steps of:
step one, connecting the end part of a connecting pipe (471) with a port of a pump, arranging a sampling mechanism (4) and a positioning mechanism (5) in a groundwater monitoring well until a positioning cross rod (22) is in contact with the top end of the groundwater monitoring well, performing roller type positioning of the sampling mechanism (4) and the positioning mechanism (5), controlling to start a second motor (561) to drive a second gear (562) to rotate, driving a crown gear (551) to rotate, synchronously driving a plurality of first gears (55) to rotate, further driving a plurality of telescopic screws (541) to rotate, matching with the telescopic screws (541) to be installed in corresponding thread grooves (531), synchronously driving a plurality of telescopic frames (53) to slide back, further driving a plurality of moving pieces (57) to slide back until a plurality of moving wheels (573) are in contact with the inner wall of the groundwater monitoring well, performing roller type positioning of the sampling mechanism (4), and subsequently, driving a positioning longitudinal rod (24) to move by a sliding positioning frame (23), enabling the positioning longitudinal rod (24) to move and the positioning frame (24) to be in contact with the outer wall of the groundwater monitoring well, and further positioning the whole monitoring well (231) to be positioned by the positioning frame (23) to rotate;
step two, controlling and starting a third motor (574), driving a worm (576) to drive a worm wheel (575) to rotate, driving a movable shaft (572) to rotate, driving a movable wheel (573) to rotate, and driving a sampling mechanism (4) to stably move downwards in a groundwater monitoring well, so that a fixed moving mechanism (5) moves to a space above a water sample position of a first layer of the groundwater monitoring well, and the bottom of the sampling mechanism (4) enters the water sample of the first layer of the groundwater monitoring well;
step three, controlling to start a first motor (410) to drive a rotating shaft (48) to rotate, thereby driving a sealing frame (49) to rotate, when a through groove (491) corresponds to a corresponding one-way piece (43), opening the one-way piece (43), controlling to start a pump, through communicating a loop pipe (46), a connecting branch pipe (461), a first connecting joint (44) and the communication of a sample storage cavity (401), matching to start a corresponding air control valve (45), reducing the air pressure in the corresponding sample storage cavity (401), wherein a sealing disc (433) in the one-way piece (43) moves upwards, driving an auxiliary shaft (435) to move upwards and press a spring (437), at this time, the sealing disc (433) is separated from a sealing ring (432), the sealing ring (432) is opened, a water sample at the layer position is guided into the one-way pipe (431) through the sealing ring (432), and enters into the corresponding sample storage cavity (401), automatic buffering sampling of the water sample layer is performed, the pump is closed, the spring (437) resets to drive the sealing disc (433) to move downwards, the sealing disc (433) is movably clamped in the corresponding ring (432), and the sealing ring (434) is prevented from contacting the upper surface of the sealing ring (401);
step four, controlling the displacement mechanism (5) and the sampling mechanism (4) to move downwards again, enabling the displacement mechanism (5) to enter a first layer of water sample position, enabling the bottom of the sampling mechanism (4) to enter a second layer of water sample of the underground water monitoring well, then controlling to start a first motor (410) to drive a rotating shaft (48) to rotate, driving a sealing frame (49) to rotate, enabling a through groove (491) to correspond to the next one-way piece (43), enabling the one-way piece (43) to be opened, controlling to start a pump and controlling to correspond to an air control valve (45), and sucking the second layer of water sample into the next sample storage cavity (401);
step five, gradually sampling the next layer of water sample by the step four, and moving the fixing and moving mechanism (5) and the sampling mechanism (4) upwards until the water sample is in sampling contact, so as to disassemble the whole device.
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| CN202311730847.0A CN117405459B (en) | 2023-12-15 | 2023-12-15 | Layered water taking device and method for underground water monitoring well |
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| CN202311730847.0A CN117405459B (en) | 2023-12-15 | 2023-12-15 | Layered water taking device and method for underground water monitoring well |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122254A (en) * | 2020-01-09 | 2020-05-08 | 刘亚娟 | Laboratory water sample sampling device for environmental monitoring |
| CN112483343A (en) * | 2019-08-22 | 2021-03-12 | 陈南南 | Low-pulsation axial plunger pump with unidirectional output and adjustable flow from zero |
| CN113532955A (en) * | 2021-09-17 | 2021-10-22 | 江苏永吉消防科技有限公司 | Deep water sampling device for water quality monitoring |
| CN215414528U (en) * | 2021-07-19 | 2022-01-04 | 邢台职业技术学院 | Sewage sampling device capable of being placed in pipeline |
| US20220003638A1 (en) * | 2020-07-01 | 2022-01-06 | Saudi Arabian Oil Company | In-line fluid and solid sampling within flowlines |
| CN217819490U (en) * | 2022-07-04 | 2022-11-15 | 中国地质科学院水文地质环境地质研究所 | Based on groundwater detection test is with layering sampling device |
| CN218584416U (en) * | 2022-03-31 | 2023-03-07 | 丁薇 | Groundwater sampling pipe and groundwater sampling device thereof |
| CN219757835U (en) * | 2023-04-27 | 2023-09-26 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Portable multi-depth-setting water sample collection device |
| CN220084759U (en) * | 2023-04-27 | 2023-11-24 | 杭州杭燃工程科技有限公司 | Internal defect detection device for welding gas pipeline |
-
2023
- 2023-12-15 CN CN202311730847.0A patent/CN117405459B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483343A (en) * | 2019-08-22 | 2021-03-12 | 陈南南 | Low-pulsation axial plunger pump with unidirectional output and adjustable flow from zero |
| CN111122254A (en) * | 2020-01-09 | 2020-05-08 | 刘亚娟 | Laboratory water sample sampling device for environmental monitoring |
| US20220003638A1 (en) * | 2020-07-01 | 2022-01-06 | Saudi Arabian Oil Company | In-line fluid and solid sampling within flowlines |
| CN215414528U (en) * | 2021-07-19 | 2022-01-04 | 邢台职业技术学院 | Sewage sampling device capable of being placed in pipeline |
| CN113532955A (en) * | 2021-09-17 | 2021-10-22 | 江苏永吉消防科技有限公司 | Deep water sampling device for water quality monitoring |
| CN218584416U (en) * | 2022-03-31 | 2023-03-07 | 丁薇 | Groundwater sampling pipe and groundwater sampling device thereof |
| CN217819490U (en) * | 2022-07-04 | 2022-11-15 | 中国地质科学院水文地质环境地质研究所 | Based on groundwater detection test is with layering sampling device |
| CN219757835U (en) * | 2023-04-27 | 2023-09-26 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Portable multi-depth-setting water sample collection device |
| CN220084759U (en) * | 2023-04-27 | 2023-11-24 | 杭州杭燃工程科技有限公司 | Internal defect detection device for welding gas pipeline |
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