CN216484123U - Underground water dynamic monitoring and automatic sampling device - Google Patents
Underground water dynamic monitoring and automatic sampling device Download PDFInfo
- Publication number
- CN216484123U CN216484123U CN202123137358.3U CN202123137358U CN216484123U CN 216484123 U CN216484123 U CN 216484123U CN 202123137358 U CN202123137358 U CN 202123137358U CN 216484123 U CN216484123 U CN 216484123U
- Authority
- CN
- China
- Prior art keywords
- water
- wall
- hole
- collecting bottle
- sampling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a groundwater dynamic monitoring and automatic sampling device, including inside hollow structure's casing, the front surface of casing is inlayed and is installed the transparent window, and the front surface fixed mounting of transparent window below casing has the control key, the central point at casing top puts fixed mounting of department has U type handle, the inside left inner wall fixed mounting of casing has first battery case, and the internally mounted of first battery case has the first group battery with control key electric connection, the inside fixedly connected with hoist mechanism of casing, hoist mechanism's bottom fixedly connected with sampling mechanism. The utility model relates to a rationally, be convenient for to water quantitative sampling at the appointed degree of depth, be convenient for carry out the shutoff to the through-hole that intakes after the sampling, the water entering of the different degree of depth when effectively avoiding shifting up at the water collecting bottle causes the phenomenon that the water sample appears mixing, and water quality monitor's setting is convenient for directly detect the water sample when the sampling, makes things convenient for personnel to use.
Description
Technical Field
The utility model relates to a groundwater technical field especially relates to a groundwater dynamic monitoring and automatic sampling device.
Background
The underground water is water existing in rock gaps below the ground, is water in a saturated aquifer below the underground water surface in a narrow sense, is an important component of water resources, is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water quantity and good water quality, and can cause unfavorable natural phenomena such as swampiness, salinization, landslide, ground subsidence and the like under certain conditions.
Present groundwater dynamic monitoring and automatic sampling device comprises monitoring and sampling two parts, need take out the water sample after the sampling and monitor after the sampling, cause the groundwater to gather after easily and produce the pollution with the air contact, be not convenient for carry out timely monitoring to the groundwater after the sampling, because the substance that degree of depth and aquatic contain at groundwater place are different, it has the shortcoming of being not convenient for carry out depthkeeping sampling and monitoring to the groundwater of the different degree of depth, to this phenomenon, therefore we have proposed a groundwater dynamic monitoring and automatic sampling device, a problem for solve above-mentioned.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a groundwater dynamic monitoring and automatic sampling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the device comprises a shell with a hollow structure, wherein a transparent window is embedded in the front surface of the shell, a control key is fixedly arranged on the front surface of the shell below the transparent window, a U-shaped handle is fixedly arranged at the central position of the top of the shell, supporting legs are fixedly arranged at four corners of the bottom of the shell, a first battery box is fixedly arranged on the inner wall of the left side of the inner side of the shell, a first battery pack electrically connected with the control key is arranged in the first battery box, a lifting mechanism is fixedly connected in the shell, and a sampling mechanism is fixedly connected to the bottom end of the lifting mechanism;
the lifting mechanism comprises a rectangular box installed on the inner wall of the left side of a shell above a first storage battery box, a band-type brake motor electrically connected with a first battery pack is installed inside the rectangular box, a rotating shaft is fixedly installed at the output end of the band-type brake motor through a coupler, a first through hole is formed in the inner wall of the right side of the rectangular box, the inner wall of the first through hole is in movable contact with the outer wall of the rotating shaft, a winding roller is fixedly installed at the right end of the rotating shaft, a bearing is fixedly embedded on the inner wall of the right side of the shell, the right end of the outer wall of the winding roller is fixedly connected with the inner side of an inner ring of the bearing, a wire body is fixed and wound on the surface of the winding roller, and a scale mark is drawn on the front side of the wire body.
Preferably, the sampling mechanism comprises a second through hole arranged at the bottom of the shell, the bottom of the wire body is fixedly connected with a first waterproof box with an opening at the bottom, a water collecting bottle with an opening at the bottom is fixedly arranged at the bottom of the first waterproof box in a sealing way, the outer wall of the water collecting bottle is movably contacted with the inner wall of the second through hole, a water level sensor is fixedly arranged inside the left side of the water collecting bottle, a balancing weight is fixedly arranged at the bottom of the water collecting bottle in a sealing way, a water inlet hole is formed in the top of the balancing weight, a filter plate is fixedly arranged on the inner wall of the water inlet hole, a second rectangular plate is fixedly arranged on the inner wall of the water inlet hole above the filter plate, a water inlet through hole with a circular structure at the upper part and a circular structure at the lower part is formed in the top of the second rectangular plate, a water quality monitor positioned inside the first waterproof box is fixedly arranged on the left side of the top of the water collecting bottle, and a detection head at the bottom of the water quality monitor extends into the water collecting bottle, the inner wall fixed mounting of the first waterproof box in water quality monitor's top has the second battery case, the internally mounted of second battery case have with control key wireless connection's second group battery, water quality monitor passes through wire and second group battery electric connection, the top fixed mounting of water quality monitor right side water collecting bottle has electric telescopic handle, electric telescopic handle passes through wire and second group battery electric connection.
Preferably, the output end of the electric telescopic rod is fixedly provided with a movable plate, a connecting rod is fixed on the left side of the bottom of the movable plate, a third through hole is formed in the top of the water collecting bottle, and the outer wall of the connecting rod is in movable contact with the inner wall of the third through hole.
Preferably, the left side of the top of the water collecting bottle is provided with a second through hole, the outer wall of the detection head is in movable contact with the inner wall of the second through hole, and the bottom of the detection head is lower than the lower part of the water level sensor.
Preferably, the bottom of connecting rod extends to in the inlet opening and the first rectangular plate of fixedly connected with, and the bottom of first rectangular plate is fixed with two respectively with the inlet opening top circular arc structure matched with shutoff balls.
Preferably, the top of the second rectangular plate is embedded with a light-touch switch, and the top of the light-touch switch is flush with the upper surface of the second rectangular plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a rationally, be convenient for to water quantitative sampling at the appointed degree of depth, be convenient for carry out the shutoff to the through-hole of intaking after the sampling, the water of the different degree of depth gets into and causes the phenomenon that the water sample appears mixing when effectively avoiding shifting up at the water collecting bottle, and water quality monitor's setting is convenient for directly detect the water sample when the sampling, makes things convenient for personnel to use.
Drawings
Fig. 1 is a schematic structural view of a device for dynamically monitoring and automatically sampling underground water provided by the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged structural view of a portion B in fig. 3.
In the figure: 1. a housing; 2. a U-shaped handle; 3. a water collecting bottle; 4. a balancing weight; 5. supporting legs; 6. a band-type brake motor; 7. a rotating shaft; 8. a winding roller; 9. a wire body; 10. a bearing; 11. a water level sensor; 12. a waterproof box; 13. a water quality monitor; 14. moving the plate; 15. an electric telescopic rod; 16. a connecting rod; 17. a water inlet hole; 18. a filter plate; 19. a first rectangular plate; 20. plugging the ball; 21. a second rectangular plate; 22. and a water inlet through hole.
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. 1-4, a device for dynamically monitoring and automatically sampling underground water comprises a shell 1 with a hollow structure, wherein a transparent window is embedded in the front surface of the shell 1, a control key is fixedly arranged on the front surface of the shell 1 below the transparent window, a U-shaped handle 2 is fixedly arranged at the central position of the top of the shell 1, supporting legs 5 are fixedly arranged at four corners of the bottom of the shell 1, a first battery box is fixedly arranged on the inner wall of the left side of the inner side of the shell 1, a first battery pack electrically connected with the control key is arranged in the first battery box, a lifting mechanism is fixedly connected to the inner side of the shell 1, and a sampling mechanism is fixedly connected to the bottom end of the lifting mechanism;
the lifting mechanism comprises a rectangular box arranged on the inner wall of the left side of a shell 1 above a first storage battery box, a band-type brake motor 6 electrically connected with a first battery pack is arranged in the rectangular box, a rotating shaft 7 is fixedly arranged at the output end of the band-type brake motor 6 through a coupler, a first through hole is formed in the inner wall of the right side of the rectangular box, the inner wall of the first through hole is movably contacted with the outer wall of the rotating shaft 7, a winding roller 8 is fixedly arranged at the right end of the rotating shaft 7, a bearing 10 is fixedly embedded in the inner wall of the right side of the shell 1, the right end of the outer wall of the winding roller 8 is fixedly connected with the inner side of an inner ring of the bearing 10, a wire body 9 is fixed and wound on the surface of the winding roller 8, and a scale mark is drawn on the front side of the wire body 9;
the sampling mechanism comprises a second through hole arranged at the bottom of the shell 1, the bottom end of the wire body 9 is fixedly connected with a first waterproof box 12 with an opening at the bottom, the bottom of the first waterproof box 12 is fixedly sealed and provided with a water collecting bottle 3 with an opening at the bottom, the outer wall of the water collecting bottle 3 is movably contacted with the inner wall of the second through hole, the inside of the left side of the water collecting bottle 3 is fixedly provided with a water level sensor 11, the bottom of the water collecting bottle 3 is fixedly sealed and provided with a balancing weight 4, the top of the balancing weight 4 is provided with a water inlet hole 17, the inner wall of the water inlet hole 17 is fixedly provided with a filter plate 18, the inner wall of the water inlet hole 17 above the filter plate 18 is fixedly provided with a second rectangular plate 21, the top of the second rectangular plate 21 is provided with a water inlet through hole 22 with an arc structure at the upper part and a circular structure at the lower part, the top of the second rectangular plate 21 is embedded with a light touch switch, and the top of the light touch switch is level with the upper surface of the second rectangular plate 21, a water quality monitor 13 positioned in a first waterproof box 12 is fixedly arranged on the left side of the top of the water collecting bottle 3, a detection head at the bottom of the water quality monitor 13 extends into the water collecting bottle 3, a second battery box is fixedly arranged on the inner wall of the first waterproof box 12 above the water quality monitor 13, a second battery pack wirelessly connected with a control key is arranged in the second battery box, the water quality monitor 13 is electrically connected with the second battery pack through a lead, an electric telescopic rod 15 is fixedly arranged on the top of the water collecting bottle 3 on the right side of the water quality monitor 13, the electric telescopic rod 15 is electrically connected with the second battery pack through a lead, a movable plate 14 is fixedly arranged at the output end of the electric telescopic rod 15, a connecting rod 16 is fixed on the left side of the bottom of the movable plate 14, the bottom end of the connecting rod 16 extends into a water inlet hole 17 and is fixedly connected with a first rectangular plate 19, two blocking balls 20 respectively matched with arc structures above corresponding water inlet through holes 22 are fixed at the bottom of the first rectangular plate 19, the top of the water collecting bottle 3 is provided with a third through hole, the outer wall of the connecting rod 16 is movably contacted with the inner wall of the third through hole, the left side of the top of the water collecting bottle 3 is provided with a second through hole, the outer wall of the detection head is movably contacted with the inner wall of the second through hole, the bottom of the detection head is lower than the lower part of the water level sensor 11, wherein the bottom of the water quality monitor 13 is provided with a plurality of detection heads, the detection heads are sequentially arranged from front to back, the detection heads arranged from front to back are a PH detection head for detecting the PH value of underground water, a turbidity detection head for detecting the turbidity of the underground water, a temperature detection head for detecting the water temperature of the underground water and an anion detection head for detecting the anion content of the underground water in sequence, the water quality monitor 13 wirelessly sends the data detected by the detection heads to a receiving terminal, and the receiving terminal can be a mobile phone or a liquid crystal display screen arranged outside the shell 1, a water quality monitoring ware 13's setting is convenient for directly detect the water sample when the sampling, makes things convenient for personnel to use directly to the water sample when water collecting bottle 3 moves up, and the utility model relates to a rationally, be convenient for carry out the shutoff to inlet through-hole 22 at the appointed degree of depth to water quantitative sampling, be convenient for, the water entering of the different degree of depth when effectively avoiding collecting water bottle 3 to move up causes the phenomenon that the water sample appears mixing to be convenient for the PH that is used for detecting groundwater pH value detect the head, is used for detecting groundwater turbidity detect the head, is used for detecting the anion of groundwater temperature and is used for detecting the anion detection head's of groundwater anion content model that field technical personnel know altogether, consequently no longer prescribes a limit to the model.
The working principle is as follows: the electric telescopic rod 15 is started forward through a control key, an output shaft of the electric telescopic rod 15 drives a movable plate 14 to move downwards, the movable plate 14 drives a connecting rod 16 to move downwards, the connecting rod 16 drives a first rectangular plate 19 to move downwards, the first rectangular plate 19 drives two blocking balls 20 to move downwards and respectively clamp into corresponding water inlet through holes 22, the blocking balls 20 are tightly attached to arc-shaped grooves above the corresponding water inlet through holes 22, the corresponding water inlet through holes 22 are blocked by the blocking balls 20, the electric telescopic rod 15 stops working, when underground water is sampled, a band-type brake motor 6 is started through the control key, an output shaft of the band-type brake motor 6 drives a rotating shaft 7 to rotate, the rotating shaft 7 drives a winding roller 8 to rotate, a wire body 9 is released from the surface of the winding roller 8, and meanwhile, a water collecting bottle 3 is driven to move downwards along a second through hole under the action of gravity of a balancing weight 4, observing the scales on the surface of the wire body 9 through the transparent window, after the water collecting bottle 3 is released to a specified depth, closing the band-type brake motor 6 through the control key to lock the winding roller 8, then reversely starting the electric telescopic rod 15 through the control key, and similarly, the motion process of positively starting the electric telescopic rod 15 is opposite to that of positively starting the electric telescopic rod 15, so that the blocking ball 20 is separated from the water inlet through hole 22, the blocking of the water inlet through hole 22 is released, under the pressure of water per se, the water sequentially passes through the filter plate 18 and upwards enters the water collecting bottle 3 through the two water inlet through holes 22 to be collected, meanwhile, the water level sensor 11 detects the water level in the water collecting bottle 3, when the water level in the water collecting bottle 3 is detected to reach a preset value, the water level sensor 11 transmits a signal to the control key, the control key controls the electric telescopic rod 15 to be positively started again, so that the blocking ball 20 downwards blocks the water inlet through hole 22 again, the quantitative sampling of water at the specified depth is realized, the water inlet through hole 22 is convenient to plug after sampling, and the phenomenon that water samples are mixed due to the fact that water at different depths enters when the water collecting bottle 3 moves upwards is effectively avoided;
the detection head on the water quality monitor 13 detects the inside water sample of water collecting bottle 3 in the time of the sampling, water quality monitor 13 will detect the data that the head detected and send to receiving terminal on through the wireless, after the detection, reverse start band-type brake motor 6 through the control key drives winding roller 8 and carries out the rolling to line body 9, make waterproof box 12, water collecting bottle 3 and balancing weight 4 upwards pulled out, reverse start electric telescopic handle 15 once more and remove the shutoff to inlet opening 22, can pass through inlet opening 17 with the water of 3 inside collections of water collecting bottle and discharge.
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 situations.
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.
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 (6)
1. The underground water dynamic monitoring and automatic sampling device comprises a shell (1) with a hollow structure inside, and is characterized in that a transparent window is mounted on the front surface of the shell (1) in an embedded mode, a control key is fixedly mounted on the front surface of the shell (1) below the transparent window, a U-shaped handle (2) is fixedly mounted at the center of the top of the shell (1), supporting legs (5) are fixedly mounted at four corners of the bottom of the shell (1), a first battery box is fixedly mounted on the left inner wall inside the shell (1), a first battery pack electrically connected with the control key is mounted inside the first battery box, a lifting mechanism is fixedly connected inside the shell (1), and a sampling mechanism is fixedly connected to the bottom end of the lifting mechanism;
the lifting mechanism comprises a rectangular box installed on the inner wall of the left side of a shell (1) above a first storage battery box, a brake motor (6) electrically connected with a first battery pack is installed inside the rectangular box, a rotating shaft (7) is installed at the output end of the brake motor (6) through a coupler, a first through hole is formed in the inner wall of the right side of the rectangular box, the inner wall of the first through hole is in movable contact with the outer wall of the rotating shaft (7), a winding roller (8) is fixedly installed at the right end of the rotating shaft (7), a bearing (10) is fixedly embedded on the inner wall of the right side of the shell (1), the right end of the outer wall of the winding roller (8) is fixedly connected with the inner side of the inner ring of the bearing (10), a wire body (9) is fixed and wound on the surface of the winding roller (8), and a scale mark is drawn on the front side of the wire body (9).
2. The device for dynamically monitoring and automatically sampling underground water according to claim 1, wherein the sampling mechanism comprises a second through hole formed at the bottom of the housing (1), the bottom end of the wire body (9) is fixedly connected with a first waterproof box (12) with an open bottom, the bottom of the first waterproof box (12) is fixedly sealed and provided with a water collecting bottle (3) with an open bottom, the outer wall of the water collecting bottle (3) is movably contacted with the inner wall of the second through hole, the inside of the left side of the water collecting bottle (3) is fixedly provided with a water level sensor (11), the bottom of the water collecting bottle (3) is fixedly sealed and provided with a balancing weight (4), the top of the balancing weight (4) is provided with a water inlet hole (17), the inner wall of the water inlet hole (17) is fixedly provided with a filter plate (18), and the inner wall of the water inlet hole (17) above the filter plate (18) is fixedly provided with a second rectangular plate (21), the top of second rectangular plate (21) is seted up the top and is circular arc structure below for water inlet through hole (22) of circular structure, the left side fixed mounting at water collecting bottle (3) top has water quality monitoring ware (13) that are located first waterproof box (12) inside, the detection head of water quality monitoring ware (13) bottom extends to in water collecting bottle (3), the inner wall fixed mounting of the first waterproof box (12) in top of water quality monitoring ware (13) has the second battery case, the internally mounted of second battery case have with control key wireless connection's second group battery, water quality monitoring ware (13) pass through wire and second group battery electric connection, the top fixed mounting of water quality monitoring ware (13) right side water collecting bottle (3) has electric telescopic handle (15), electric telescopic handle (15) pass through wire and second group battery electric connection.
3. The underground water dynamic monitoring and automatic sampling device according to claim 2, characterized in that the output end of the electric telescopic rod (15) is fixedly provided with a movable plate (14), the left side of the bottom of the movable plate (14) is fixedly provided with a connecting rod (16), the top of the water collecting bottle (3) is provided with a third through hole, and the outer wall of the connecting rod (16) is in movable contact with the inner wall of the third through hole.
4. The device for dynamically monitoring and automatically sampling underground water according to claim 2, wherein a second through hole is formed in the left side of the top of the water collecting bottle (3), the outer wall of the detection head is movably contacted with the inner wall of the second through hole, and the bottom of the detection head is lower than the position below the water level sensor (11).
5. A device for dynamic monitoring and automatic sampling of underground water according to claim 3, characterized in that the bottom end of the connecting rod (16) extends into the water inlet hole (17) and is fixedly connected with a first rectangular plate (19), and the bottom of the first rectangular plate (19) is fixed with two blocking balls (20) which are respectively matched with the circular arc structure above the corresponding water inlet through hole (22).
6. A device for dynamically monitoring and automatically sampling underground water according to claim 2, characterized in that a light touch switch is embedded in the top of the second rectangular plate (21), and the top of the light touch switch is flush with the upper surface of the second rectangular plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137358.3U CN216484123U (en) | 2021-12-14 | 2021-12-14 | Underground water dynamic monitoring and automatic sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137358.3U CN216484123U (en) | 2021-12-14 | 2021-12-14 | Underground water dynamic monitoring and automatic sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216484123U true CN216484123U (en) | 2022-05-10 |
Family
ID=81423015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123137358.3U Active CN216484123U (en) | 2021-12-14 | 2021-12-14 | Underground water dynamic monitoring and automatic sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216484123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561021A (en) * | 2022-11-06 | 2023-01-03 | 河南省地质研究院 | Quantitative sampling and acquiring device for underground water environment |
| CN116124521A (en) * | 2023-04-18 | 2023-05-16 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
-
2021
- 2021-12-14 CN CN202123137358.3U patent/CN216484123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561021A (en) * | 2022-11-06 | 2023-01-03 | 河南省地质研究院 | Quantitative sampling and acquiring device for underground water environment |
| CN116124521A (en) * | 2023-04-18 | 2023-05-16 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
| CN116124521B (en) * | 2023-04-18 | 2023-09-08 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216484123U (en) | Underground water dynamic monitoring and automatic sampling device | |
| CN107607362B (en) | Water sample collecting equipment capable of simultaneously collecting multiple layers of water samples | |
| CN111175078A (en) | Detection equipment capable of sampling and detecting different water depths and use method | |
| CN211148139U (en) | Underground water sample depthkeeping collection system | |
| CN213933840U (en) | River course water quality monitoring device | |
| CN115326490A (en) | Surface water sampling device for environmental monitoring | |
| CN217211699U (en) | Portable groundwater level survey and synchronous layering water sample collection system | |
| CN215053278U (en) | Articulated monitoring well lid | |
| CN214749077U (en) | Intelligent sampling equipment for water conservancy detection | |
| CN211856023U (en) | Underground water monitoring system | |
| CN210802997U (en) | Portable field water sample collecting and detecting device | |
| CN216484126U (en) | A sampling device for water environmental monitoring | |
| CN109443833B (en) | Multifunctional underwater water and sand sampler | |
| CN217637349U (en) | Portable hydrology water resource survey device | |
| CN211627051U (en) | Groundwater sampling device for hydrogeology | |
| CN113933096B (en) | Sampling collection equipment for lake sediment detection | |
| CN106442266B (en) | System and method for measuring precipitation infiltration amount in soil and construction method | |
| CN211602525U (en) | Drilling groundwater water intaking ware | |
| CN211121496U (en) | Hydrogeology is with water level observation device | |
| CN210317284U (en) | Water level measuring device with well water collecting function | |
| CN215057322U (en) | Water level measuring instrument for rock and soil exploration drilling | |
| CN220794711U (en) | Integral underground water quality sampler | |
| CN220903081U (en) | Integrated comprehensive water quality detection device | |
| CN218157102U (en) | Groundwater sampling device convenient to use | |
| CN213903074U (en) | Strength tester for concrete detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |