CN214749077U - Intelligent sampling equipment for water conservancy detection - Google Patents
Intelligent sampling equipment for water conservancy detection Download PDFInfo
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- CN214749077U CN214749077U CN202120884449.4U CN202120884449U CN214749077U CN 214749077 U CN214749077 U CN 214749077U CN 202120884449 U CN202120884449 U CN 202120884449U CN 214749077 U CN214749077 U CN 214749077U
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Abstract
The utility model discloses a water conservancy detects uses intelligent sampling equipment, including U-shaped installation pole, the below of U-shaped installation pole is equipped with the sampling box that the top set up for the opening, the bottom fixedly connected with balancing weight of sampling box, be equipped with automatic paying out machine on the U-shaped installation pole, the below of U-shaped installation pole is equipped with and samples box matched with automatic closing mechanism, automatic paying out machine constructs including rotating the spool of installing between U-shaped installation pole both sides inner wall. The utility model relates to a rationally, be convenient for carry out the shutoff with the sample after to two inlet openings before the sample, the phenomenon in the sample box is entered into to upper river water in the in-process that can avoid shifting up the sample box appears, avoid the mixture of water sample, be convenient for when the sample box reaches preset water level, automatic control band-type brake motor closes, realize accurate depthkeeping sample, and be convenient for in time automatic control driving motor reverse start after the sample is accomplished, the shutoff inlet opening, intelligent degree improves, and the user demand is satisfied.
Description
Technical Field
The utility model relates to a sampling equipment technical field especially relates to an intelligent sampling equipment is used in water conservancy detection.
Background
In water conservancy projects, in order to comprehensively and accurately know the underground water condition, the underground water needs to be frequently detected, so that the underground water needs to be sampled through a sampling device, and subsequent research and treatment of the water conservancy projects are facilitated;
the requirement of depthkeeping sample can not be satisfied to current sample mode, and the sample bucket is at the in-process that upwards proposes, and the river on upper strata appears easily and enters into the phenomenon in the sample bucket for the water sample of acquireing is the mixed water sample of upper and lower floor, and then influences the testing result of water sample, and current sampling device intelligent degree is low, can not satisfy the user demand, therefore we have proposed a water conservancy and have detected with intelligent sampling equipment and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the intelligent sampling equipment is used in water conservancy detection who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent sampling device for water conservancy detection comprises a U-shaped mounting rod, a sampling box with an opening at the top is arranged below the U-shaped mounting rod, the bottom of the sampling box is fixedly connected with a balancing weight, the U-shaped mounting rod is provided with an automatic paying-off mechanism, an automatic opening and closing mechanism matched with the sampling box is arranged below the U-shaped mounting rod, the automatic pay-off mechanism comprises a winding shaft rotatably installed between the inner walls of the two sides of the U-shaped installation rod, a pull rope is wound on the winding shaft and fixed on the winding shaft, a band-type brake motor is fixedly installed on the right side of the U-shaped installation rod, the left end of an output shaft of the band-type brake motor is fixedly connected with the right end of the winding shaft, the top of the band-type brake motor is fixedly and electrically connected with a first controller, the top of the sampling box is fixedly connected with a rectangular box with an opening, the top of the rectangular box is fixedly connected with a cover plate, and the bottom end of the winding shaft is fixedly connected with the top of the cover plate;
the automatic opening and closing mechanism comprises a driving motor fixedly arranged on the inner wall of the bottom of the rectangular box, the bottom end of an output shaft of the driving motor extends into the sampling box and is fixedly connected with a screw rod, the inner wall of the left side of the rectangular box is fixedly connected with a storage battery, the top of the driving motor is fixedly and electrically connected with a second controller, the right side of the driving motor is fixedly connected with a wireless remote control switch, the wireless remote control switch is electrically connected with the second controller, the storage battery is electrically connected with the driving motor, the wireless remote control switch and the second controller, a liquid level sensor is embedded at the bottom of the balancing weight, a probe of the liquid level sensor extends to the lower part of the balancing weight, the liquid level sensor is electrically connected with the first controller and the second controller, water inlet holes are formed in the inner walls of the two sides of the sampling box, a filter screen is fixedly arranged in each water inlet hole, a sealing and blocking pipe is sleeved in the sampling box in a sealing and sliding manner and matched with the two water inlet holes, fixedly connected with installation piece between the front side inner wall of shutoff pipe and the rear side inner wall, the top fixedly connected with carriage release lever of installation piece, carriage release lever thread bush is established on the screw rod, the bottom fixedly connected with of rectangle box is located the left first locating lever of screw rod, the carriage release lever slip cover is established on first locating lever, the bottom fixedly connected with of rectangle box is located the L shape locating lever on screw rod right side, the slip cover is equipped with the floating piece on the L shape locating lever, fixedly connected with reverse starting switch on the left side inner wall of L shape locating lever, reverse starting switch cooperatees with the floating piece, reverse starting switch and second controller electric connection.
Preferably, the bottom of the balancing weight is provided with an embedded groove, the inner wall of the embedded groove is fixedly connected with the outer side of the liquid level sensor, the bottom of the balancing weight is fixedly connected with a plugging plate, the plugging plate is matched with the embedded groove, and the plugging plate is movably sleeved on a probe of the liquid level sensor.
Preferably, the blocking pipe is provided with a sealing ring in a bonding and sleeving manner, and the outer side of the sealing ring is in movable contact with the inner wall of the sampling box.
Preferably, a threaded hole is formed in one side of the top end of the moving rod and is in threaded connection with the screw rod.
Preferably, a first rectangular hole is formed in the other side of the top end of the moving rod, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the first positioning rod.
Preferably, a circular hole is formed in the inner wall of the bottom of the rectangular box, a sealing bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the sealing bearing is fixedly connected with the outer side of an output shaft of the driving motor.
Preferably, the inner walls of the two sides of the U-shaped mounting rod are fixedly connected with first bearings, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the winding shafts.
Preferably, a second rectangular hole is formed in the top of the floating block, the inner wall of the second rectangular hole is connected with the outer side of the L-shaped positioning rod in a sliding mode, and an external remote controller is arranged on the wireless remote control switch in a matching mode.
Compared with the prior art, the beneficial effects of the utility model are that:
through a U-shaped mounting rod, a winding shaft, a pull rope, a sampling box, a band-type brake motor, a rectangular box, a driving motor, a storage battery, a balancing weight, a liquid level sensor, a second controller, a screw rod, a first positioning rod, a movable rod, a reverse starting switch, a wireless remote control switch, a water inlet hole, a plugging pipe, an L-shaped positioning rod and a floating block matched with the mounting block, when sampling operation is carried out, the band-type brake motor is started in a forward direction to drive the winding shaft to release the pull rope, at the moment, under the action of gravity, the balancing weight drives the sampling box and the rectangular box to move downwards, when the liquid level sensor senses that the sampling box reaches a preset depth, signals are transmitted to the first controller and the second controller, the first controller controls the band-type brake motor to be closed, the second controller controls the driving motor to be started in the forward direction, the driving motor drives the screw rod to rotate, the screw rod rotates to drive the movable rod to move upwards, the plugging pipe is driven by the mounting block to remove the two water inlet holes, at the moment, water passes through the filter screens on the two water inlet holes and enters the sampling box, the floating block gradually floats upwards and slides upwards on the L-shaped positioning rod along with the entering of the water, the floating block moves upwards to press the reverse starting switch, and the reverse starting switch controls the driving motor to be started reversely through the second controller, so that the plugging pipe is changed into downward movement to plug the two water inlet holes again;
the reverse start band-type brake motor drives the spool and rotates and twine the rolling to the stay cord immediately for sample box, balancing weight and rectangle box upwards shift out from the water gradually, forward start driving motor once more this moment, make the shutoff pipe rebound once more remove the shutoff to two inlet openings, the water in the sample box is discharged through two inlet openings this moment, the sample is accomplished.
The utility model relates to a rationally, be convenient for carry out the shutoff with the sample after to two inlet openings before the sample, the phenomenon in the sample box is entered into to upper river water in the in-process that can avoid shifting up the sample box appears, avoid the mixture of water sample, be convenient for when the sample box reaches preset water level, automatic control band-type brake motor closes, realize accurate depthkeeping sample, and be convenient for in time automatic control driving motor reverse start after the sample is accomplished, the shutoff inlet opening, intelligent degree improves, and the user demand is satisfied.
Drawings
Fig. 1 is a schematic structural view of an intelligent sampling device for water conservancy testing provided by the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 100U-shaped installation rods, 101 winding shafts, 102 pull ropes, 103 sampling boxes, 1 band-type brake motor, 2 rectangular boxes, 3 driving motors, 4 storage batteries, 5 balancing weights, 6 liquid level sensors, 7 second controllers, 8 screw rods, 9 first positioning rods, 10 moving rods, 11 reverse starting switches, 12 wireless remote control switches, 13 water inlet holes, 14 plugging pipes, 15L-shaped positioning rods, 16 floating blocks and 17 installation blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an intelligent sampling device for water conservancy detection comprises a U-shaped mounting rod 100, a sampling box 103 with an opening at the top is arranged below the U-shaped mounting rod 100, a balancing weight 5 is fixedly connected at the bottom of the sampling box 103, an automatic paying-off mechanism is arranged on the U-shaped mounting rod 100, an automatic opening and closing mechanism matched with the sampling box 103 is arranged below the U-shaped mounting rod 100, the automatic paying-off mechanism comprises a winding shaft 101 rotatably mounted between the inner walls of the two sides of the U-shaped mounting rod 100, a pull rope 102 is wound and fixed on the winding shaft 101, a band-type brake motor 1 is fixedly mounted on the right side of the U-shaped mounting rod 100, the left end of an output shaft of the band-type brake motor 1 is fixedly connected with the right end of the winding shaft 101, the top of the band-type brake motor 1 is fixedly and electrically connected with a first controller, a rectangular box 2 with an opening at the top is fixedly connected at the top of the sampling box 103, and a cover plate is fixedly connected with the top of the rectangular box 2, the bottom end of the winding shaft 101 is fixedly connected with the top of the cover plate;
the automatic opening and closing mechanism comprises a driving motor 3 fixedly installed on the inner wall of the bottom of a rectangular box 2, the bottom end of an output shaft of the driving motor 3 extends into a sampling box 103 and is fixedly connected with a screw 8, the inner wall of the left side of the rectangular box 2 is fixedly connected with a storage battery 4, the top of the driving motor 3 is fixedly and electrically connected with a second controller 7, the right side of the driving motor 3 is fixedly connected with a wireless remote control switch 12, the wireless remote control switch 12 is electrically connected with the second controller 7, the storage battery 4 is electrically connected with the driving motor 3, the wireless remote control switch 12 and the second controller 7, a liquid level sensor 6 is embedded at the bottom of a balancing weight 5, a probe of the liquid level sensor 6 extends to the lower part of the balancing weight 5, the liquid level sensor 6 is electrically connected with the first controller and the second controller 7, water inlet holes 13 are formed in the inner walls of two sides of the sampling box 103, and a filter screen is fixedly installed in the water inlet holes 13, the sampling box 103 is internally provided with a sealing sliding sleeve which is provided with a plugging pipe 14, the plugging pipe 14 is matched with two water inlet holes 13, a mounting block 17 is fixedly connected between the front inner wall and the rear inner wall of the plugging pipe 14, the top of the mounting block 17 is fixedly connected with a moving rod 10, the moving rod 10 is in threaded sleeve connection with a screw rod 8, the bottom of the rectangular box 2 is fixedly connected with a first positioning rod 9 positioned at the left side of the screw rod 8, the moving rod 10 is in sliding sleeve connection with the first positioning rod 9, the bottom of the rectangular box 2 is fixedly connected with an L-shaped positioning rod 15 positioned at the right side of the screw rod 8, a floating block 16 is sleeved on the L-shaped positioning rod 15 in a sliding sleeve connection manner, a reverse starting switch 11 is fixedly connected on the left inner wall of the L-shaped positioning rod 15, the reverse starting switch 11 is matched with the floating block 16, the reverse starting switch 11 is electrically connected with a second controller 7, the utility model has reasonable design, and is convenient for plugging the two water inlet holes 14 before and after sampling, the phenomenon that upper river water enters into in the sampling box 103 appears in the in-process that can avoid shifting up sampling box 103, avoids the mixture of water sample, is convenient for when sampling box 103 reaches the predetermined water level, and automatic control band-type brake motor 1 closes, realizes accurate depthkeeping sample, and is convenient for in time automatic control driving motor 3 reverse start after the sample is accomplished, shutoff inlet opening 13, and intelligent degree improves, satisfies the user demand.
In the utility model, the bottom of the balancing weight 5 is provided with an embedded groove, the inner wall of the embedded groove is fixedly connected with the outer side of the liquid level sensor 6, the bottom of the balancing weight 5 is fixedly connected with a plugging plate which is matched with the embedded groove, the plugging plate is movably sleeved on the probe of the liquid level sensor 6, a sealing ring is bonded and sleeved on the plugging pipe 14, the outer side of the sealing ring is movably contacted with the inner wall of the sampling box 103, one side of the top end of the moving rod 10 is provided with a threaded hole which is in threaded connection with the screw rod 8, the other side of the top end of the moving rod 10 is provided with a first rectangular hole, the inner wall of the first rectangular hole is in sliding connection with the outer side of the first locating rod 9, the inner wall of the bottom of the rectangular box 2 is provided with a circular hole, the circular hole is fixedly sleeved with a sealing bearing, the inner side of the inner ring of the sealing bearing is fixedly connected with the outer side of the output shaft of the driving motor 3, the inner walls of the two sides of the U-shaped mounting rod 100 are fixedly connected with first bearings, inboard and spool 101's the outside fixed connection of the inner circle of first bearing, the second rectangular hole has been seted up at showy 16 top, the inner wall and the outside sliding connection of L shape locating lever 15 of second rectangular hole, wireless remote switch 12 matches and is provided with external remote controller, the utility model relates to a rationally, be convenient for carry out the shutoff with sample back to two inlet openings 14 before the sample, can avoid shifting up the phenomenon that upper river water entered into in the sample box 103 in the in-process of sample box 103 appears, avoid the mixture of water sample, be convenient for reach when predetermineeing the water level at sample box 103, automatic control band-type brake motor 1 closes, realizes accurate depthkeeping sample, and be convenient for in time automatic control driving motor 3 reverse start after the sample is accomplished, shutoff inlet opening 13, intelligent degree improves, satisfies the user demand.
The working principle is as follows: when the sampling device is used, during sampling operation, the whole device is moved to a position needing sampling, then the band-type brake motor 1 is started in the forward direction, the output shaft of the band-type brake motor 1 drives the winding shaft 101 to rotate, the winding shaft 101 releases the pull rope 102 while rotating, at the moment, under the action of gravity, the counterweight block 5 drives the sampling box 103 and the rectangular box 2 to move downwards, meanwhile, the liquid level sensor 6 detects the lowered position, when the liquid level sensor 6 senses that the sampling box 103 reaches a preset depth, the liquid level sensor 6 transmits a signal to the first controller and the second controller 7, the first controller controls the band-type brake motor 1 to be closed, meanwhile, the second controller 7 controls the driving motor 3 to start in the forward direction, the output shaft of the driving motor 3 drives the screw rod 8 to rotate, under the action of a threaded hole formed in the moving rod 10, the moving rod 10 is driven to move upwards while the screw rod 8 rotates, the movable rod 10 slides on the first positioning rod 9, the movable rod 10 drives the mounting block 17 to move upwards, the mounting block 17 drives the blocking pipe 14 to move upwards, the blocking pipe 14 moves upwards and simultaneously releases the blocking of the two water inlet holes 13 gradually, at the moment, water passes through the filter screens on the two water inlet holes 13 to enter the sampling box 103 under the action of self pressure, the filter screens filter and block impurities in the entering water, the floating block 16 gradually floats upwards under the action of self buoyancy, the floating block 16 slides upwards on the L-shaped positioning rod 15, the floating block 16 moves upwards to be in contact with the reverse starting switch 11 and presses the reverse starting switch, the reverse starting switch 11 transmits a reverse starting signal to the second controller 7, the second controller 7 controls the reverse starting of the driving motor 3, and the motion process of the forward starting driving motor 3 is the same as that of the reverse starting driving motor 3, the plugging pipe 14 is changed to move downwards, and the two water inlet holes 13 are plugged again while the plugging pipe 14 moves downwards;
the contracting brake motor 1 is reversely started, the contracting brake motor 1 drives the winding shaft 101 to rotate and winds the pull rope 102, so that the sampling box 103, the balancing weight 5 and the rectangular box 2 are gradually moved upwards to be moved out of water, the wireless remote control switch 12 is controlled to be opened through an external remote controller, the wireless remote control switch 12 controls the driving motor 3 to be started forwards again through the second controller 7, the blocking pipe 14 is moved upwards again to remove the blocking of the two water inlet holes 13, the water in the sampling box 103 is discharged through the two water inlet holes 13 at the moment, the floating block 16 is gradually moved downwards to reset along with the discharge of the water, the sampling is completed, the two water inlet holes 14 are conveniently blocked before and after the sampling, the phenomenon that upper layer river water enters the sampling box 103 in the process of moving the sampling box 103 upwards can be avoided, the mixing of water samples is avoided, and when the sampling box 103 reaches a preset water level, the automatic control band-type brake motor 1 is closed, the depthkeeping sample is realized, and the reverse start of the driving motor 3 is controlled in time after the sample is completed to be convenient for, the inlet opening 13 is blocked.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an intelligent sampling equipment for water conservancy detection, includes U-shaped installation pole (100), the below of U-shaped installation pole (100) is equipped with sampling box (103) that the top set up for the opening, its characterized in that, the bottom fixedly connected with balancing weight (5) of sampling box (103), be equipped with automatic paying out machine on U-shaped installation pole (100), the below of U-shaped installation pole (100) is equipped with the automatic closing mechanism who cooperatees with sampling box (103), automatic paying out machine includes spool (101) of rotation installation between the inner wall of U-shaped installation pole (100) both sides, and stay cord (102) are wound and are fixed with on spool (101), and band-type brake motor (1) is fixedly installed on the right side of U-shaped installation pole (100), and the right-hand member fixed connection of the output shaft left end of band-type brake motor (1) and spool (101), and the top of band-type brake motor (1) is fixed and electrically connected with first controller, the top of the sampling box (103) is fixedly connected with a rectangular box (2) with an opening at the top, the top of the rectangular box (2) is fixedly connected with a cover plate, and the bottom end of the winding shaft (101) is fixedly connected with the top of the cover plate;
the automatic opening and closing mechanism comprises a driving motor (3) fixedly installed on the inner wall of the bottom of a rectangular box (2), the bottom end of an output shaft of the driving motor (3) extends into a sampling box (103) and is fixedly connected with a screw rod (8), the inner wall of the left side of the rectangular box (2) is fixedly connected with a storage battery (4), the top of the driving motor (3) is fixedly and electrically connected with a second controller (7), the right side of the driving motor (3) is fixedly connected with a wireless remote control switch (12), the wireless remote control switch (12) is electrically connected with the second controller (7), the storage battery (4) is electrically connected with the driving motor (3), the wireless remote control switch (12) and the second controller (7), a liquid level sensor (6) is embedded at the bottom of a balancing weight (5), a probe of the liquid level sensor (6) extends to the lower part of the balancing weight (5), and the liquid level sensor (6) is electrically connected with a first controller and the second controller (7), the sampling box (103) is provided with water inlet holes (13) on the inner walls of two sides, a filter screen is fixedly arranged in each water inlet hole (13), a plugging pipe (14) is hermetically and slidably sleeved in the sampling box (103), the plugging pipe (14) is matched with the two water inlet holes (13), a mounting block (17) is fixedly connected between the front inner wall and the rear inner wall of the plugging pipe (14), the top of the mounting block (17) is fixedly connected with a moving rod (10), the moving rod (10) is in threaded sleeve connection with a screw rod (8), the bottom of the rectangular box (2) is fixedly connected with a first positioning rod (9) positioned on the left side of the screw rod (8), the moving rod (10) is slidably sleeved on the first positioning rod (9), the bottom of the rectangular box (2) is fixedly connected with an L-shaped positioning rod (15) positioned on the right side of the screw rod (8), the L-shaped positioning rod (15) is slidably sleeved with a floating block (16), a reverse starting switch (11) is fixedly connected on the inner wall on the left side of the L-shaped positioning rod (15), the reverse starting switch (11) is matched with the floating block (16), and the reverse starting switch (11) is electrically connected with the second controller (7).
2. The water conservancy detects uses intelligent sampling equipment according to claim 1, characterized in that, the bottom of balancing weight (5) has seted up the caulking groove, the inner wall of caulking groove and level sensor (6) outside fixed connection, the bottom fixed connection of balancing weight (5) has the shutoff board, the shutoff board cooperatees with the caulking groove, shutoff board activity cover is established on level sensor's (6) probe.
3. The intelligent sampling equipment for the water conservancy is detected according to claim 1, characterized in that, the bonding cover is equipped with the sealing washer on shutoff pipe (14), the outside and the inner wall swing joint of sampling box (103) of sealing washer.
4. The intelligent sampling equipment for the water conservancy detection according to claim 1, characterized in that a threaded hole is formed in one side of the top end of the moving rod (10), and the threaded hole is in threaded connection with the screw rod (8).
5. The intelligent sampling equipment for the water conservancy detection according to claim 1, characterized in that a first rectangular hole is formed in the other side of the top end of the moving rod (10), and the inner wall of the first rectangular hole is in sliding connection with the outer side of the first positioning rod (9).
6. The water conservancy detects uses intelligent sampling equipment according to claim 1, characterized in that, the bottom inner wall of rectangle box (2) is seted up the circular port, and the circular port internal fixation cover is equipped with sealed bearing, and sealed bearing's the inner circle inboard and the output shaft outside fixed connection of driving motor (3).
7. The intelligent sampling equipment for the water conservancy detection according to claim 1, wherein the inner walls of the two sides of the U-shaped mounting rod (100) are fixedly connected with first bearings, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the winding shafts (101).
8. The water conservancy detects uses intelligent sampling equipment according to claim 1, characterized in that, the second rectangular hole has been seted up at the top of floating block (16), the inner wall in second rectangular hole and the outside sliding connection of L shape locating lever (15), wireless remote switch (12) match and are provided with external remote controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120884449.4U CN214749077U (en) | 2021-04-27 | 2021-04-27 | Intelligent sampling equipment for water conservancy detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120884449.4U CN214749077U (en) | 2021-04-27 | 2021-04-27 | Intelligent sampling equipment for water conservancy detection |
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| CN214749077U true CN214749077U (en) | 2021-11-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199624A (en) * | 2021-11-29 | 2022-03-18 | 青岛崂山矿泉水有限公司 | Deepwater sampling device for mineral water production |
| CN116256038A (en) * | 2023-05-15 | 2023-06-13 | 生态环境部南京环境科学研究所 | Groundwater water level monitoring and sampling combined platform for hydrogeological exploration |
-
2021
- 2021-04-27 CN CN202120884449.4U patent/CN214749077U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199624A (en) * | 2021-11-29 | 2022-03-18 | 青岛崂山矿泉水有限公司 | Deepwater sampling device for mineral water production |
| CN116256038A (en) * | 2023-05-15 | 2023-06-13 | 生态环境部南京环境科学研究所 | Groundwater water level monitoring and sampling combined platform for hydrogeological exploration |
| CN116256038B (en) * | 2023-05-15 | 2023-07-11 | 生态环境部南京环境科学研究所 | Groundwater water level monitoring and sampling combined platform for hydrogeological exploration |
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