CN115791305B - Water detection device for environment detection - Google Patents
Water detection device for environment detection Download PDFInfo
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- CN115791305B CN115791305B CN202310052902.9A CN202310052902A CN115791305B CN 115791305 B CN115791305 B CN 115791305B CN 202310052902 A CN202310052902 A CN 202310052902A CN 115791305 B CN115791305 B CN 115791305B
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- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a water detection device for environment detection, which comprises a floating plate and a supporting plate arranged below the floating plate, wherein a plurality of sampling tubes are arranged on the supporting plate, the outer side of a fixed shaft is fixedly connected with a fixed disk, and the fixed disk is in threaded connection with the sampling tubes; a driving assembly is arranged between the fixed shaft and the sampling tube and is connected with the fixed disc through a limiting assembly, when the supporting disc is lowered to different depths of a water body, water pressure acts on the limiting assembly to enable the limiting assembly to lose the blocking of the driving assembly, and in the process, the driving assembly drives the sampling tube to rotate relative to the fixed disc; the sampling tube can move down and laminate mutually with the supporting disk at the pivoted in-process, and the water source that corresponds the layer is then stored in the airtight space that sampling tube, fixed disk and supporting disk are constituteed, takes a sample through this structure, avoids the sample intermixing between the different layers on the one hand, and on the other hand has also avoided the influence of aquatic impurity to the sampling process.
Description
Technical Field
The invention relates to the technical field of water body detection, in particular to a water detection device for environment detection.
Background
With the development of social economy, scientific progress and improvement of the living standard of people, the requirements of people on the water quality of drinking water are continuously improved, and the water quality standard of the drinking water is correspondingly continuously developed and improved.
The Chinese patent CN115219279A discloses a special sampling device for detecting an environment-friendly water body, which relates to the technical field of water body sampling and comprises a floating body, wherein a winding box is fixedly arranged on the upper surface of the floating body, a sampling body is arranged on the lower side of the winding box, an internal thread cover shell is arranged on the lower side of the sampling body, a fixed plate is fixedly connected to the lower surface of the floating body, movable pipes are movably arranged on the peripheral inner wall of the fixed plate close to the edge of the bottom of the fixed plate, and two groups of first propellers and two groups of second propellers are fixedly arranged on the lower surface of the floating body close to the edge of the fixed plate; the sampling device replaces the traditional single-position sampling, can sample water bodies at different positions and different heights, has good applicability and wide sampling range, can rapidly sample the water bodies at all positions in the water in sequence, does not need to repeatedly withdraw the sampling device, reduces the sampling time of the device, and improves the working efficiency of water body sampling.
Above-mentioned device passes through the cooperation of booster pump and drain pipe inside with water suction to the collector drum, and utilize the rope to transfer the device to the not co-altitude department of water and take a sample, but in the actual process, after the booster pump with water suction to the drain pipe and send into to the collector drum inside, remaining water is not discharged in the drain pipe, lead to carrying out the in-process of taking a sample to next layer water, remaining water can be extruded inside new collector drum in the drain pipe, thereby caused the mixture between the different layer samples, cause the influence to subsequent detection easily, therefore above-mentioned device has certain limitation when using.
Therefore, it is necessary to provide a water detecting device for environmental detection to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a water detection device for environment detection, which solves the problem that in the actual process of the conventional device proposed in the background art, when a booster pump pumps water into a drain pipe and sends the water into a water collecting cylinder, the residual water in the drain pipe is not discharged, so that the residual water in the drain pipe can be extruded into a new water collecting cylinder in the process of sampling the next layer of water, and thus, different layers of samples are mixed.
Based on the above thought, the invention provides the following technical scheme: the sampling tube device comprises a floating plate and a supporting plate arranged below the floating plate, wherein a plurality of sampling tubes are arranged on the supporting plate, a fixed shaft is arranged above the supporting plate, the outer side of the fixed shaft is fixedly connected with a fixed plate, and the fixed plate is arranged in the sampling tubes and is in threaded connection with the sampling tubes;
be provided with drive assembly between fixed axle and the sampling tube, and drive assembly is connected with the fixed disk through spacing subassembly, when the supporting disk is transferred to the different degree of depth of water, water pressure acts on spacing subassembly and makes spacing subassembly lose stopping to drive assembly, at this in-process, drive assembly drives the sampling tube and rotates for the fixed disk.
As a further scheme of the invention: the driving assembly comprises a lantern ring coaxially sleeved on the top end of the outer side of the fixed shaft, a sliding block is fixedly connected to the outer side of the lantern ring, a sliding chute in sliding fit with the sliding block is formed in the inner wall of the sampling tube, a coil spring is sleeved on the fixed shaft and fixedly arranged between the lantern ring and the fixed shaft, a partition plate is fixedly connected to the interior of the lantern ring, the fixed shaft penetrates through the partition plate and is rotatably connected with the partition plate, and the coil spring is arranged at the top of the partition plate.
As a further scheme of the invention: spacing subassembly includes the honeycomb duct with fixed disk fixed connection, the honeycomb duct sets up to the L type, and honeycomb duct one end passes the fixed disk downwards and extends to bottom one side of fixed disk, the other end of honeycomb duct sets up between fixed disk and baffle and contacts with the inner wall of the lantern ring, the one end that is close to the lantern ring in the honeycomb duct inner chamber slides and is provided with the fixture block, set up on the inner wall of the lantern ring with fixture block matched with draw-in groove, the top of fixture block is seted up flutedly, recess inside sliding connection has the stopper, set up the spacing groove with stopper matched with on the inner chamber roof of honeycomb duct, one side that the stopper is close to the draw-in groove sets up to the inclined plane, sliding connection has the dog in the recess, and is provided with the spring between dog and the stopper.
As a further scheme of the invention: and a screw rod is arranged below the stop block, the screw rod is in threaded connection with the stop block, and the top end of the screw rod is provided with a polished rod and is rotationally connected with the stop block.
As a further scheme of the invention: the supporting disc is provided with a through groove, the through groove is in threaded connection with an end cover, the end cover is provided with a drain hole, and the interior of the drain hole is in threaded connection with a sealing plug.
As a further scheme of the invention: the top of kickboard is provided with the motor, the transmission is connected with the reel on the output shaft of motor, the fixed stay cord that is provided with between reel and the supporting disk.
As a further scheme of the invention: the top of supporting disk is close to outside edge fixedly connected with terminal, the one end and the terminal fixed connection of stay cord, the other end of stay cord is in supporting disk's center department converge to upward extend through the kickboard and with reel fixed connection after the strand, stay cord and kickboard sliding fit.
As a further scheme of the invention: a through hole is formed in the position, located on the clamping groove, of the lantern ring and communicated with the clamping groove.
As a further scheme of the invention: the top of sampling tube is installed the blast pipe, the blast pipe is linked together with the sampling tube, and installs the check valve on the blast pipe.
As a further scheme of the invention: all fixedly provided with sealed pad on the inside bottom surface of end cover and the bottom surface of sampling tube, the fixed cover in the outside of end cover is equipped with the nut.
Compared with the prior art, the invention has the beneficial effects that: when the different degree of depth of water is transferred to the supporting disk through the stay cord, through the pressure of water to spacing subassembly for spacing subassembly loses stopping drive assembly, can drive the sampling tube through drive assembly this moment and rotate for the fixed disk. Because fixed disk and sampling tube threaded connection, consequently the sampling tube can move down and laminate mutually with the supporting disk at the pivoted in-process, and at this in-process, the water source that corresponds the layer is then stored in the airtight space that sampling tube, fixed disk and supporting disk are constituteed to accomplished the sample, taken a sample through this structure, avoided the sample intermixture between the different layers on the one hand, on the other hand has also avoided the influence of aquatic impurity to the sampling process.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the support plate and the sampling tube of the present invention;
FIG. 3 is a schematic view of the structure of the fixing shaft and the fixing plate of the present invention;
FIG. 4 is a schematic view of the coil spring, slider and collar structure of the present invention;
FIG. 5 is a partial cross-sectional view of the coupon and end cap of the present invention;
FIG. 6 is an enlarged view of FIG. 5B of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at C of the present invention;
FIG. 8 is an enlarged view of FIG. 4 at A in accordance with the present invention;
FIG. 9 is a diagram illustrating a cartridge structure of the present invention;
fig. 10 is a schematic perspective view of the flow tube, the fixed tray and the collar of the present invention.
In the figure: 1. a floating plate; 2. a reel; 3. a motor; 4. a fixing frame; 5. an end cap; 6. a fixed shaft; 7. a support disc; 8. pulling a rope; 9. a sampling tube; 10. a sealing plug; 11. fixing the disc; 12. a flow guide pipe; 13. a slider; 14. a collar; 15. a coil spring; 16. an exhaust pipe; 17. a gasket; 18. a partition plate; 19. a chute; 20. a through hole; 21. a stopper; 22. a spring; 23. a limiting block; 24. a limiting groove; 25. a card slot; 26. a clamping block; 27. a screw; 28. and (4) a ball.
Detailed Description
As shown in figure 1, the water detection device for environment detection comprises a floating plate 1 and a supporting plate 7 arranged below the floating plate 1, wherein a sampling pipe 9 for sampling water is arranged on the supporting plate 7, a motor 3 is arranged at the top of the floating plate 1, a reel 2 is connected to an output shaft of the motor 3 in a transmission manner, and the reel 2 is connected with the supporting plate 7 through a pull rope 8.
Specifically, a binding post is fixedly connected to the top of the supporting disk 7 close to the outer side edge, one end of the pull rope 8 is fixedly connected with the binding post, the other end of the pull rope 8 is converged into one strand at the center of the supporting disk 7 and extends upwards through the floating plate 1 and is fixedly connected with the reel 2, and the pull rope 8 is in sliding fit with the floating plate 1.
In the in-service use, place kickboard 1 on the surface of water, drive reel 2 through motor 3 and rotate, thereby relieve stay cord 8, a plurality of sampling tubes 9 at supporting disk 7 and its top will the downwardly moving inside the water take a sample this moment, through a plurality of sampling tubes 9 that set up, can take a sample to the water of the different degree of depth when stay cord 8 is transferred supporting disk 7 to the different degree of depth, during the design, downwardly moving in the water can be stabilized for supporting disk 7, set up a plurality of round holes that run through on supporting disk 7, thereby reduce the effort of water to supporting disk 7.
As shown in fig. 1-2, in the actual use process, in order to better carry out sampling test to the water of different depths, avoid mixing between the different layers of samples, be provided with fixed axle 6 above supporting disk 7, the outside fixedly connected with fixed disk 11 of fixed axle 6, fixed disk 11 sets up inside sampling tube 9 and rather than threaded connection, during the actual application, the outside of fixed disk 11 is provided with the external screw thread, and then is provided with the internal thread that meshes with the external screw thread on the inner wall of sampling tube 9, be provided with drive assembly between fixed axle 6 and the sampling tube 9, and drive assembly is connected with fixed disk 11 through spacing subassembly.
During specific application, when the different degree of depth of water is transferred to the supporting disk 7 through stay cord 8, through the pressure of water to spacing subassembly for spacing subassembly loses stopping drive assembly, can drive sampling tube 9 through drive assembly this moment and rotate for fixed disk 11. Because fixed disk 11 and sampling tube 9 threaded connection, consequently sampling tube 9 can move down and laminate mutually with supporting disk 7 at the pivoted in-process, and at this in-process, the water source of corresponding layer is then stored in the airtight space that sampling tube 9, fixed disk 11 and supporting disk 7 are constituteed to accomplished the sample, take a sample through this structure, avoid the sample intermixing between the different layers on the one hand, on the other hand has also avoided the influence of aquatic impurity to the sampling process.
As shown in fig. 2-7 and 10, the driving assembly includes a sleeve ring 14 coaxially sleeved on the outer side of the fixed shaft 6, the sleeve ring 14 is disposed at a top end position of the fixed shaft 6, a sliding block 13 is fixedly connected to the outer side of the sleeve ring 14, a sliding groove 19 matched with the sliding block 13 is formed in the inner wall of the sampling tube 9, so that the sliding block 13 is slidably disposed inside the sliding groove 19, a coil spring 15 is sleeved on the fixed shaft 6, two ends of the coil spring 15 are respectively fixedly connected with the inner wall of the sleeve ring 14 and the outer wall of the fixed shaft 6, and in an initial state, the coil spring 15 is in a contracted state.
Further, a partition plate 18 is fixedly connected in the collar 14, the fixed shaft 6 penetrates through the partition plate 18 and is rotatably connected with the partition plate 18, and the coil spring 15 is arranged on the top of the partition plate 18.
Above-mentioned spacing subassembly includes honeycomb duct 12, honeycomb duct 12 sets up to the L type, and honeycomb duct 12 one end passes fixed disk 11 downwards and extends to fixed disk 11 bottom one side, and honeycomb duct 12 and 11 fixed connection of fixed disk, the other end of honeycomb duct 12 sets up between fixed disk 11 and baffle 18 and contacts with the inner wall of the lantern ring 14, honeycomb duct 12 all sets up to the opening for cavity setting and its both ends.
Furthermore, a clamping block 26 is slidably disposed at one end of the inner cavity of the draft tube 12 close to the sleeve ring 14, a clamping groove 25 matched with the clamping block 26 is formed in the inner wall of the sleeve ring 14, in an initial state, the clamping block 26 is disposed between the draft tube 12 and the clamping groove 25, and when the clamping block 26 is disposed inside the clamping groove 25, the fixed disk 11 is connected with the sleeve ring 14, so that the sleeve ring 14 is prevented from rotating.
More closely, a groove is formed in the top of the fixture block 26, the inside of the groove is slidably connected with the stopper 23, the inner cavity top wall of the guide pipe 12 is provided with a limiting groove 24 matched with the stopper 23, specifically, one side of the stopper 23 close to the clamping groove 25 is set to be an inclined plane, the cross section of the limiting groove 24 is also set to be a triangle matched with the stopper 23, the stopper 21 is slidably connected in the groove, a spring 22 is arranged between the stopper 21 and the stopper 23, two ends of the spring 22 are respectively fixedly connected with the stopper 23 and the stopper 21, in actual use, in order to adjust the position of the stopper 21 in the groove, a screw 27 needs to be arranged below the stopper 21, a notch is formed in one side of the fixture block 26 away from the clamping groove 25, the top end of the screw 27 is set to be a polished rod and rotatably connected with the stopper 21, the bottom end of the screw 27 penetrates through the fixture block 26 and then extends to the notch, the screw 27 is in threaded connection with the fixture block 26, the screw 27 is driven to rotate the screw 27, and a handle is fixedly connected to the bottom end of the screw 27.
In practical use, the screw 27 is rotated to drive the stopper 21 to move upwards in the groove, so as to extrude the spring 22, thereby increasing the pressure of the spring 22 on the stopper 23, further increasing the friction force of the stopper groove 24 on the stopper 23, so that the stopper 23 can be more stably arranged in the stopper groove 24, the resistance of the stopper groove 24 on the stopper 23 can be adjusted through the structure, the resistance of the stopper groove 24 on the stopper 23 is gradually increased along with the continuous upward sliding of the stopper 21 in the groove, while the distance of the stopper 21 relative to the stopper 23 in the installation process of the draft tube 12 in different sampling tubes 9 is gradually reduced, thereby the pressure of the spring 22 on the stopper 23 is gradually increased, so when the support disc 7 is arranged in a water body through the pull rope 8, the lowering depth is shallow at the beginning, so that the pressure of the water body on the fixture block 26 is smaller, in the process, only the limiting block 23 with the spring 22 compressed slightly can overcome the friction force of the limiting groove 24 and slide into the groove, when the limiting block 23 is accommodated in the groove, the connection between the clamping block 26 and the draft tube 12 is lost, at the moment, the clamping block 26 can be driven to slide into the clamping groove 25 under the action of water pressure and be separated from the draft tube 12, so that the draft tube 12 loses the limitation on the lantern ring 14, at the moment, the lantern ring 14 can be driven to rotate under the action of the coil spring 15, the sampling tube 9 can be driven to rotate by the lantern ring 14 through the matching of the sliding block 13 and the sliding groove 19, the sampling tube 9 gradually moves downwards in the rotating process, in the process, the sliding block 13 slides in the sliding groove 19, so that the interference with the sampling tube 9 is avoided, when the sampling tube 9 moves downwards to the top of the supporting plate 7, the sample water source of the layer is stored in the sampling tube 9, thereby completing the sampling work, then taking out the sampling tube 9, and putting the sample in the sampling tube into a detection device for detection;
afterwards, continue to transfer deeper layer department with supporting disk 7 through stay cord 8, the pressure of water source to fixture block 26 crescent this moment, make to spring 22 compress great stopper 23 and can overcome the resistance of spacing groove 24 and slide to the recess in, repeated above-mentioned step can be to deeper quality of water sample, consequently, utilize this structure, along with supporting disk 7 constantly moves downwards, fixture block 26 in a plurality of honeycomb ducts 12 can slide to the recess one by one, make a plurality of coil springs 15 can drive sampling tube 9 and move downwards and take a sample to the quality of water of different layers one by one.
In summary, in the sampling method in the device, the sampling tube 9 moves downwards to store the water source among the sampling tube 9, the fixed disk 11 and the supporting disk 7, so that in actual operation, the samples in different layers can be prevented from being mixed with each other, the sampling precision is improved, on the other hand, the influence of impurities in water on the sampling process is also avoided, and the plurality of sampling tubes 9 can automatically rotate and move downwards to be attached to the supporting disk 7 at different depths by matching the driving component and the limiting component.
As shown in fig. 4-5, a through groove is formed on the support plate 7, the through groove is in threaded connection with the end cover 5, a drain hole is formed in the end cover 5, a sealing plug 10 is in threaded connection with the inside of the drain hole, and the outer diameter of the sampling tube 9 is the same as the inner diameter of the end cover 5.
Further, a gasket 17 is fixedly provided on both the inner bottom surface of the end cap 5 and the bottom surface of the sampling tube 9, and a nut is fixedly fitted on the outer side thereof in order to rotate the end cap 5.
In the practical use process, after the coil spring 15 drives the sampling tube 9 to rotate to drive the sampling tube to move downwards, the bottom end of the sampling tube 9 can be inserted into the end cover 5 and is contacted with the bottom surface in the end cover 5, the sealing performance between the end cover 5 and the sampling tube 9 can be improved through the arranged sealing gasket 17, when the sampling tube 9 needs to be taken out, the end cover 5 can be rotated to be detached from the supporting plate 7, and then the water body sample in the sampling tube 9 can be discharged after the sealing plug 10 on the end cover 5 is detached.
Through this structure for sampling tube 9 can cooperate with end cover 5 after the downward movement, thereby be convenient for the later stage will go sampling tube 9 and take out and release its inside sample.
As shown in fig. 8, a through hole 20 is formed in the collar 14 at the position of the clamping groove 25, the through hole 20 is communicated with the clamping groove 25, so that the fixture block 26 can be driven to reset through the structure, when the fixture block 26 needs to be extruded into the flow guide tube 12 again, a worker can pass through the through hole 20 through an external rod and push the fixture block 26 outwards, and therefore the fixture block 26 can slide into the flow guide tube 12 again, and the recycling of the fixture block 26 is facilitated.
As shown in fig. 9, in order to reduce the friction between the latch 26 and the delivery tube 12, a plurality of balls 28 may be mounted on the side surface of the latch 26 to reduce the friction between the latch 26 and the delivery tube 12, so that the latch 26 may be stably pushed into the latching groove 25 by water pressure, and the collar 14 and the fixing plate 11 may be disconnected from each other.
As shown in fig. 1, the fixing frames 4 are fixedly connected to two sides of the bottom of the floating plate 1, the propellers are installed in the fixing frames 4, the floating plate 1 can be driven to move on the water surface through the structure, and therefore water bodies in different positions are sampled, and the application range of the water body is enlarged.
An exhaust pipe 16 is installed at the top of the sampling pipe 9, the exhaust pipe 16 is communicated with the sampling pipe 9, a check valve for one-way exhaust of gas in the exhaust pipe 16 to water is installed on the exhaust pipe, when the sampling pipe 9 moves downwards, the fixed disk 11 exhausts the air in the sampling pipe 9 through the exhaust pipe 16, and the stable downward movement of the sampling pipe 9 is facilitated.
Claims (7)
1. The utility model provides a water detection device for environment measuring, includes the kickboard and sets up in the supporting disk of kickboard below, is provided with a plurality of sampling tubes on the supporting disk, its characterized in that: a fixed shaft is arranged above the supporting plate, a fixed disc is fixedly connected to the outer side of the fixed shaft, and the fixed disc is arranged in the sampling tube and is in threaded connection with the sampling tube;
a driving assembly is arranged between the fixed shaft and the sampling tube and is connected with the fixed disc through a limiting assembly, when the supporting disc is lowered to different depths of a water body, water pressure acts on the limiting assembly to enable the limiting assembly to lose the blocking of the driving assembly, and in the process, the driving assembly drives the sampling tube to rotate relative to the fixed disc;
the driving assembly comprises a sleeve ring coaxially sleeved at the top end of the outer side of the fixed shaft, a sliding block is fixedly connected to the outer side of the sleeve ring, a sliding chute in sliding fit with the sliding block is formed in the inner wall of the sampling tube, a coil spring is sleeved on the fixed shaft and fixedly arranged between the sleeve ring and the fixed shaft, a partition plate is fixedly connected in the sleeve ring, the fixed shaft penetrates through the partition plate and is rotatably connected with the partition plate, and the coil spring is arranged at the top of the partition plate;
the limiting assembly comprises a flow guide pipe fixedly connected with the fixed disc, the flow guide pipe is arranged in an L shape, one end of the flow guide pipe downwards penetrates through the fixed disc and extends to one side of the bottom of the fixed disc, the other end of the flow guide pipe is arranged between the fixed disc and the partition plate and is contacted with the inner wall of the lantern ring, a clamping block is arranged at one end, close to the lantern ring, in the inner cavity of the flow guide pipe in a sliding mode, a clamping groove matched with the clamping block is formed in the inner wall of the lantern ring, a groove is formed in the top of the clamping block, a limiting block is connected in the groove in a sliding mode, a limiting groove matched with the limiting block is formed in the top wall of the inner cavity of the flow guide pipe, an inclined plane is formed at one side, close to the clamping groove, a limiting block is connected in the groove in a sliding mode, and a spring is arranged between the limiting block and the limiting block;
and a screw rod is arranged below the stop block and is in threaded connection with the stop block, and the top end of the screw rod is provided with a polished rod and is rotationally connected with the stop block.
2. A water detection device for environmental detection as defined in claim 1, wherein: the supporting disc is provided with a through groove, the through groove is in threaded connection with an end cover, the end cover is provided with a drain hole, and the interior of the drain hole is in threaded connection with a sealing plug.
3. A water detection device for environmental detection as claimed in claim 1, wherein: the top of kickboard is provided with the motor, the transmission is connected with the reel on the output shaft of motor, the fixed stay cord that is provided with between reel and the supporting disk.
4. A water detection device for environmental detection as claimed in claim 3, wherein: the top of supporting disk is close to outside edge fixedly connected with terminal, the one end and the terminal fixed connection of stay cord, the other end of stay cord is after converging one in the center department of supporting disk to upwards extending through the kickboard and with reel fixed connection, stay cord and kickboard sliding fit.
5. A water detection device for environmental detection as defined in claim 1, wherein: a through hole is formed in the position, located on the clamping groove, of the lantern ring and communicated with the clamping groove.
6. A water detection device for environmental detection as defined in claim 1, wherein: the top of sampling tube is installed the blast pipe, the blast pipe is linked together with the sampling tube, and installs the check valve on the blast pipe.
7. A water detection device for environmental detection as defined in claim 2, wherein: all fixed being provided with sealed the pad on the inside bottom surface of end cover and the bottom surface of sampling tube, the fixed cover in the outside of end cover is equipped with the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310052902.9A CN115791305B (en) | 2023-02-03 | 2023-02-03 | Water detection device for environment detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310052902.9A CN115791305B (en) | 2023-02-03 | 2023-02-03 | Water detection device for environment detection |
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| CN115791305A CN115791305A (en) | 2023-03-14 |
| CN115791305B true CN115791305B (en) | 2023-04-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116593665B (en) * | 2023-05-29 | 2023-10-20 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology investigation water source sampling detection device |
| CN116593226B (en) * | 2023-07-14 | 2023-10-13 | 哈尔滨学院 | A three-dimensional monitoring devices of pollutant distribution for modeling |
| CN116893078B (en) * | 2023-09-05 | 2023-11-17 | 江苏环保产业技术研究院股份公司 | Sampling device for sewage monitoring |
| CN118130171B (en) * | 2024-05-10 | 2024-07-02 | 信联电子材料科技股份有限公司 | Closed sampling device for liquid phase |
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| CN113740115A (en) * | 2021-09-02 | 2021-12-03 | 吕晓娜 | Movable water sample sampling device for hydraulic engineering and use method thereof |
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| CN115791305A (en) | 2023-03-14 |
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