CN114577537A - A stratified sampling device for groundwater water quality monitoring - Google Patents
A stratified sampling device for groundwater water quality monitoring Download PDFInfo
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- CN114577537A CN114577537A CN202210477535.2A CN202210477535A CN114577537A CN 114577537 A CN114577537 A CN 114577537A CN 202210477535 A CN202210477535 A CN 202210477535A CN 114577537 A CN114577537 A CN 114577537A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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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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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a layered sampling device for monitoring the quality of underground water, which relates to the technical field of water sampling devices and comprises a floating installation frame, wherein the outer wall of the floating installation frame is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with an upper winding shaft, one end of the upper winding shaft, which is far away from the servo motor, penetrates through the floating installation frame and is rotatably connected with the floating installation frame, and the outer wall of the bottom of the floating installation frame penetrates through and is rotatably connected with a lower hollow winding shaft. According to the invention, through the mutual matching of the floating mounting frame, the servo motor, the upper winding shaft, the connecting rope, the sampling cylinder, the partition plate and the water guide assembly, after groundwater enters the sampling cylinder, the groundwater firstly enters the sampling cavity at the bottommost part under the action of the water guide assembly, then the servo motor is started, and the servo motor drives the connecting rope to move to change the position of the sampling cylinder so as to start sampling at the next position, so that layered sampling can be effectively realized, the operation is simple, the design is flexible, and the practicability is strong.
Description
Technical Field
The invention relates to the technical field of water sampling devices, in particular to a layered sampling device for monitoring the quality of underground water.
Background
The underground water is water buried below the ground surface in various states, is an important component of water resources, is one of important water sources of agricultural irrigation, industrial and mining and cities due to stable water quantity and good water quality, but under certain conditions, the change of the underground water can cause unfavorable natural phenomena such as swampiness, salinization, landslide, ground settlement and the like, and in addition, the monitoring of the water quality of the underground water is used for monitoring and determining the types of pollutants in the water body and the concentration and the change trend of various pollutants, and is an important data index for evaluating the water quality of the underground water.
At present water quality monitoring is mostly through taking a sample to groundwater, recycle laboratory glassware etc. and analyze the sample so that obtain the quality of water data, therefore water sampling device is one of the more important device in the water quality monitoring, current groundwater sampling device, its structure is mostly comparatively simple, when actual sampling process, the sampling work of a position can only be accomplished to the single, however, in order to guarantee the accuracy of sample, often need layering sample many times during the actual survey, then need frequent taking out sampling device from the water of staff during sample many times, pour the sample, the adjustment, the resampling, if the circulation operation, staff's the amount of labour has greatly increased, the sampling efficiency of groundwater has also been reduced.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a groundwater sampling device carries out layered sampling, frequent manual adjustment is needed by workers, the labor capacity of the workers is increased, and the sampling efficiency is reduced, and provides a layered sampling device for groundwater water quality monitoring.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a stratified sampling device for groundwater water quality monitoring, includes the mounting bracket that floats, its characterized in that: the floating mounting frame is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with an upper winding shaft, one end, far away from the servo motor, of the upper winding shaft penetrates through the floating mounting frame and is rotatably connected with the floating mounting frame, the floating mounting frame is connected with a lower hollow winding shaft, a transmission assembly is arranged between the upper winding shaft and the lower hollow winding shaft, and the upper winding shaft and the lower hollow winding shaft are connected through the transmission assembly;
the outer surface of the upper winding shaft is wound and connected with a connecting rope, the outer wall of the floating mounting frame is fixedly connected with an upper guide assembly matched with the connecting rope, the free end of the connecting rope is sequentially and fixedly connected with a plurality of sampling cylinders, the inner walls of the plurality of sampling cylinders are fixedly connected with a plurality of partition plates, the sampling cylinders are equidistantly partitioned by the plurality of partition plates to form a plurality of sampling cavities, a water guide assembly is arranged between every two adjacent sampling cavities, every two adjacent sampling cavities are communicated through the water guide assembly, and the sampling cavities are connected with a drainage assembly;
it is a plurality of the outer wall of sampler barrel top has all run through and has seted up the inlet opening, the inlet opening outside is equipped with and supports tight gasbag, and is a plurality of support the same arc of tight gasbag fixedly connected with, it is a plurality of support tight gasbag and be connected with an air guide hose jointly, the part winding that the sampler barrel was kept away from to the air guide hose is connected under on the hollow winding axle, the mounting bracket that floats is connected with and is used for giving the air guide hose aerated mechanism of aerifing.
As a preferred embodiment: the transmission assembly comprises a first transmission wheel and a second transmission wheel, a transmission belt is arranged between the first transmission wheel and the second transmission wheel, and the first transmission wheel and the second transmission wheel are in transmission connection through the transmission belt.
As a preferred embodiment: go up the direction subassembly and include two upper inclined plates of fixed connection on the mounting bracket that floats, two fixedly connected with upper guide shaft between the upper inclined plate, upper guide shaft rotates and is connected with the upper guide wheel, the upper ring groove has been seted up to the upper guide wheel surface, connect rope and the contact of upper ring inslot wall.
As a preferred embodiment: the water guide assembly comprises a water guide pipe penetrating through the partition plate, and the water guide pipe is connected with a first electromagnetic valve.
As a preferred embodiment: and the inner walls of the sampling cavities are fixedly connected with liquid level sensors.
As a preferred embodiment: the drainage assembly comprises a drainage pipe penetrating through the inner wall of the sampling cavity, and the drainage pipe is connected with a second electromagnetic valve.
As a preferred scheme: the inflating mechanism comprises an inflating pump fixedly connected to the floating mounting frame, an air outlet pipe is connected to the air outlet of the inflating pump, one end, far away from the inflating pump, of the air outlet pipe is rotatably connected with the lower hollow winding shaft, one end, far away from the tight air bag, of the air guide hose is fixedly connected with the lower hollow winding shaft, and the air guide hose, the air outlet pipe and the lower hollow winding shaft are communicated and arranged.
As a preferred embodiment: the floating installation frame is fixedly connected with two lower inclined plates, two lower guide shafts are fixedly connected between the lower inclined plates, lower guide wheels are rotatably sleeved on the outer surfaces of the lower guide shafts, lower annular grooves are formed in the outer surfaces of the lower guide wheels, and the air guide hoses are in contact with the inner walls of the lower annular grooves.
The invention has the following beneficial effects:
1. compared with the prior art, this a layering sampling device for groundwater water quality monitoring, through the mounting bracket that floats, servo motor, go up the winding axle, connect the rope, the sampler barrel, mutually support between division board and the water guide subassembly, groundwater gets into behind the sampler barrel, under the effect of water guide subassembly, at first get into the sample chamber that is located the bottommost, then start servo motor, servo motor drives and connects the rope removal and can change the sampler barrel position, so that the sample of next position begins, can effectively realize the layering sample, therefore, the steam generator is simple in operation, the design is nimble, therefore, the clothes hanger is strong in practicability.
2. Compared with the prior art, this a layering sampling device for groundwater water quality monitoring, through the sampler barrel, the inlet opening, support tight gasbag, the arc, mutual cooperation between air guide hose and the inflation mechanism, utilize the inflation mechanism toward supporting to inflate in the tight gasbag, make to support tight gasbag inflation and support the inlet opening tightly, avoid the sampler barrel to remove in-process water source entering sampler barrel, the inflation mechanism stop work during the sample, support tight gasbag shrivelled, the water sample that corresponds the position begins to get into in the sampler barrel, carry out water sampling operation.
3. Compared with the prior art, this a layering sampling device for groundwater water quality monitoring, through the mounting bracket that floats, go up the swash plate, go up the guide shaft, go up the leading wheel, down the swash plate, down the guide shaft and down mutually support between the leading wheel, go up the leading wheel and can lead to the connection rope, the leading wheel can lead to the air guide hose down for the removal of connecting rope and air guide hose is more steady, thereby makes things convenient for upright reciprocating of sampler barrel and arc.
Drawings
FIG. 1 is a schematic structural diagram of a stratified sampling device for groundwater water quality monitoring according to the present invention;
FIG. 2 is a cross-sectional view of a sampling cylinder in a stratified sampling device for groundwater water quality monitoring according to the present invention;
FIG. 3 is a schematic view of a connection structure of a plurality of sampling cylinders, a propping air bag and an arc-shaped plate in the layered sampling device for groundwater quality monitoring provided by the invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a left side view of a stratified sampling apparatus for groundwater quality monitoring according to the present invention;
FIG. 6 is a right side view of a stratified sampling apparatus for groundwater quality monitoring according to the present invention;
FIG. 7 is a back view of a stratified sampling apparatus for groundwater quality monitoring according to the present invention;
FIG. 8 is a bottom view of a stratified sampling apparatus for groundwater water quality monitoring according to the present invention.
Illustration of the drawings:
1. a floating mount; 2. a servo motor; 3. an upper winding shaft; 31. a first drive pulley; 4. a lower hollow winding shaft; 41. a second transmission wheel; 5. connecting ropes; 6. a sampling tube; 7. a partition plate; 8. a sampling cavity; 9. a water inlet hole; 10. tightly abutting against the air bag; 11. an arc-shaped plate; 12. an air guide hose; 13. a transmission belt; 14. an upper sloping plate; 15. an upper guide shaft; 16. an upper guide wheel; 17. a water conduit; 18. a first solenoid valve; 19. a liquid level sensor; 20. a drain pipe; 21. a second solenoid valve; 22. an inflator pump; 23. an air outlet pipe; 24. a lower sloping plate; 25. a lower guide shaft; 26. a lower guide wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1 to 8, the layered sampling device for groundwater water quality monitoring provided by the invention comprises a floating installation frame 1, wherein a servo motor 2 is fixedly connected to the floating installation frame 1, an upper winding shaft 3 is fixedly connected to an output end of the servo motor 2, one end of the upper winding shaft 3, which is far away from the servo motor 2, penetrates through the floating installation frame 1 and is rotatably connected with the floating installation frame 1, the floating installation frame 1 is connected with a lower hollow winding shaft 4, a transmission component is arranged between the upper winding shaft 3 and the lower hollow winding shaft 4, the upper winding shaft 3 and the lower hollow winding shaft 4 are connected through the transmission component, the transmission component comprises a first transmission wheel 31 and a second transmission wheel 41, a transmission belt 13 is arranged between the first transmission wheel 31 and the second transmission wheel 41, and the first transmission wheel 31 and the second transmission wheel 41 are in transmission connection through the transmission belt 13, so that the upper winding shaft 3 and the lower hollow winding shaft 4 can be rotated synchronously.
Go up 3 outer surface windings of winding axle and be connected with and connect rope 5, the subassembly of leading on of 1 outer wall fixedly connected with of unsteady mounting bracket and the 5 looks adaptations of connection rope, it includes two upper inclined plate 14 of fixed connection on unsteady mounting bracket 1, two to go up fixedly connected with upper guide shaft 15 between the upper inclined plate 14, upper guide shaft 15 rotates and is connected with leading wheel 16, the upper annular groove has been seted up to upper guide wheel 16 surface, connect rope 5 and the contact of the upper annular inslot wall, make like this and connect 5 can only remove along upper annular groove, prevent to connect rope 5 and remove at will, be convenient for go up winding axle 3 and carry out the rolling to connecting rope 5.
Wherein, connect 5 free ends of rope a plurality of sampler barrels of fixed connection 6 in proper order, a plurality of division boards 7 of the equal fixedly connected with of the 6 inner walls of a plurality of sampler barrels, it is a plurality of division board 7 is separated 6 equidistance of sampler barrel and is formed a plurality of sample chambeies 8, adjacent two from top to bottom be provided with the water guide subassembly between the sample chamber 8, adjacent two from top to bottom sample chamber 8 is through water guide subassembly intercommunication, and is a plurality of sample chamber 8 is connected with the drainage subassembly, and is a plurality of the equal fixedly connected with level sensor 19 of sample chamber 8 inner walls, the drainage subassembly is including the drain pipe 20 that runs through sample chamber 8 inner walls, drain pipe 20 is connected with second solenoid valve 21.
It is a plurality of the outer wall of 6 tops of sampler barrels all runs through and has seted up inlet opening 9, the inlet opening 9 outside is equipped with and supports tight gasbag 10, and is a plurality of support tight gasbag 10 same arc 11 of fixedly connected with, it is a plurality of support tight gasbag 10 is connected with an air guide hose 12 jointly, the part winding that sampler barrel 6 was kept away from to air guide hose 12 is connected on hollow winding axle 4 down, the mounting bracket 1 that floats is connected with and is used for giving the aerated mechanism of air guide hose 12.
The mechanism of aerifing includes pump 22 of fixed connection on the mounting bracket 1 that floats, pump 22 gas outlet is connected with outlet duct 23, the one end that pump 22 was kept away from to outlet duct 23 rotates with lower hollow winding axle 4 to be connected, air guide hose 12 is kept away from the one end and the lower hollow winding axle 4 fixed connection of supporting tight gasbag 10, air guide hose 12, outlet duct 23 and lower hollow winding axle 4 intercommunication setting.
When the liquid level sensor 19 detects that the water level in the sampling cavity 8 exceeds a set value, the inflator pump 22 starts to inflate, so that the abutting air bag 10 blocks the water inlet hole 9, wherein the height of the liquid level sensor 19 is lower than the height of the corresponding partition plate 7, so that the underground water entering the sampling tube 6 in the process that the abutting air bag 10 blocks the water inlet hole 9 flows to the corresponding sampling cavity 8 as far as possible, and the sample error is reduced.
Two lower swash plates 24 of 1 lateral wall fixedly connected with of mounting bracket float, guide shaft 25 under two fixedly connected with between the swash plate 24, guide wheel 26 under the surface rotation of lower guide shaft 25 has been cup jointed, lower annular groove has been seted up to guide wheel 26 surface down, air guide hose 12 and the contact of lower annular groove inner wall utilize down guide wheel 26 to make air guide hose 12's shift position stable, more do benefit to hollow winding axle 4 winding air guide hose 12 down.
The invention can be illustrated by the following operating modes:
when the floating air bag supporting device is used, the floating installation frame 1 is moved to a sampling position, the inflator pump 22 is started, the inflator pump 22 works to enable air to enter the supporting air bag 10 through the air outlet pipe 23, the lower hollow winding shaft 4 and the air guide hose 12, and at the moment, the supporting air bag 10 starts to expand and supports the corresponding water inlet hole 9 for sealing.
Throw into aquatic with a plurality of sampling barrels 6 and arc 11, start servo motor 2, servo motor 2 drives winding axle 3 and rotates, goes up winding axle 3 rethread drive belt 13 and drives down hollow winding axle 4 and rotate, connects rope 5 and air guide hose 12 and begins not hard up this moment, and sampling barrel 6 and arc 11 begin to sink.
After the sampling tube 6 sinks to the sampling position, the inflator pump 22 stops working, the resisting air bag 10 begins to be shriveled, the water inlet hole 9 loses the seal, the water around the sampling tube 6 begins to enter the sampling tube 6, at the moment, all the first electromagnetic valves 18 are opened, the second electromagnetic valve 21 is closed, the water sample in the sampling tube 6 sequentially enters the bottommost sampling cavity 8 through all the water guide pipes 17, when the liquid level sensor 19 in the sampling cavity 8 at the bottom detects that the liquid level exceeds a set value, the controller controls the inflator pump 22 to be restarted, at the moment, the resisting air bag 10 begins to expand and resists the water inlet hole 9 tightly again, and the water in the sampling tube 6 continuously flows to the bottommost sampling cavity 8.
After the sampling cylinder 6 is adjusted to the next sampling position, the first electromagnetic valve 18 at the bottommost part is closed, the inflator pump 22 stops working, the abutting air bag 10 is deflated, the water sample starts to enter the sampling cylinder 6 and enters the sampling cavity 8 with the penultimate height along each water guide pipe 17, the liquid level sensor 19 in the corresponding sampling cavity 8 detects that the liquid level exceeds a set value, the controller controls the inflator pump 22 to be started again, the abutting air bag 10 seals the water inlet hole 9 again, and the steps are repeated until the sampling is finished.
After the sample, first solenoid valve 18 and second solenoid valve 21 all are in the closed condition, and servo motor 2 reversal for on connecting rope 5 and air guide hose 12 rolling respectively supreme winding axle 3 and lower hollow winding axle 4, until pulling bottom sampler barrel 6 from the surface of water, close inflator pump 22, then open each second solenoid valve 21 in proper order, groundwater sample in each sample chamber 8 can discharge in proper order and be collected, so that carry out water quality monitoring.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a stratified sampling device for groundwater water quality monitoring, includes unsteady mounting bracket (1), its characterized in that: the floating mounting frame (1) is fixedly connected with a servo motor (2), the output end of the servo motor (2) is fixedly connected with an upper winding shaft (3), one end, far away from the servo motor (2), of the upper winding shaft (3) penetrates through the floating mounting frame (1) and is rotatably connected with the floating mounting frame (1), the floating mounting frame (1) is connected with a lower hollow winding shaft (4), a transmission assembly is arranged between the upper winding shaft (3) and the lower hollow winding shaft (4), and the upper winding shaft (3) and the lower hollow winding shaft (4) are connected through the transmission assembly;
the outer surface of the upper winding shaft (3) is wound and connected with a connecting rope (5), the outer wall of the floating mounting frame (1) is fixedly connected with an upper guide assembly matched with the connecting rope (5), the free end of the connecting rope (5) is sequentially and fixedly connected with a plurality of sampling cylinders (6), the inner walls of the sampling cylinders (6) are fixedly connected with a plurality of partition plates (7), the sampling cylinders (6) are equidistantly partitioned by the plurality of partition plates (7) to form a plurality of sampling cavities (8), a water guide assembly is arranged between every two adjacent sampling cavities (8), every two adjacent sampling cavities (8) are communicated through the water guide assembly, and the sampling cavities (8) are connected with a drainage assembly;
it is a plurality of inlet opening (9) have all been run through to sampling tube (6) top outer wall and have been seted up, inlet opening (9) outside is equipped with and supports tight gasbag (10), and is a plurality of support the same arc (11) of tight gasbag (10) fixedly connected with, it is a plurality of support tight gasbag (10) and be connected with an air guide hose (12) jointly, the part winding that sampling tube (6) were kept away from in air guide hose (12) is connected under on hollow winding axle (4), mounting bracket (1) floats and is connected with and is used for the mechanism of aerifing of air guide hose (12).
2. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: the transmission assembly comprises a first transmission wheel (31) and a second transmission wheel (41), a transmission belt (13) is arranged between the first transmission wheel (31) and the second transmission wheel (41), and the first transmission wheel (31) and the second transmission wheel (41) are in transmission connection through the transmission belt (13).
3. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: go up the direction subassembly and include two swash plate (14), two of fixed connection on unsteady mounting bracket (1) go up fixedly connected with between swash plate (14) guide shaft (15), it rotates and is connected with leading wheel (16) to go up guide shaft (15), go up guide wheel (16) surface and seted up the annular groove on, connect rope (5) and the contact of the interior wall of annular groove on.
4. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: the water guide assembly comprises a water guide pipe (17) penetrating through the partition plate (7), and the water guide pipe (17) is connected with a first electromagnetic valve (18).
5. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: a plurality of the inner walls of the sampling cavities (8) are fixedly connected with liquid level sensors (19).
6. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: the drainage assembly comprises a drainage pipe (20) penetrating through the inner wall of the sampling cavity (8), and the drainage pipe (20) is connected with a second electromagnetic valve (21).
7. A stratified sampling apparatus for groundwater water quality monitoring as claimed in claim 1, wherein: aerify mechanism includes pump (22) of fixed connection on unsteady mounting bracket (1), pump (22) gas outlet is connected with outlet duct (23), the one end and lower hollow winding axle (4) of pump (22) are kept away from in outlet duct (23) are rotated and are connected, the one end and lower hollow winding axle (4) fixed connection of support tight gasbag (10) are kept away from in air guide hose (12), outlet duct (23) and lower hollow winding axle (4) intercommunication setting.
8. A stratified sampling apparatus for groundwater water quality monitoring as claimed in any one of claims 1 to 7, wherein: the floating installation frame (1) is fixedly connected with two lower inclined plates (24) and two lower guide shafts (25) are fixedly connected between the lower inclined plates (24), the outer surfaces of the lower guide shafts (25) are rotatably sleeved with lower guide wheels (26), lower annular grooves are formed in the outer surfaces of the lower guide wheels (26), and the air guide hoses (12) are in contact with the inner walls of the lower annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477535.2A CN114577537A (en) | 2022-05-05 | 2022-05-05 | A stratified sampling device for groundwater water quality monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477535.2A CN114577537A (en) | 2022-05-05 | 2022-05-05 | A stratified sampling device for groundwater water quality monitoring |
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| Publication Number | Publication Date |
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| CN114577537A true CN114577537A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210477535.2A Pending CN114577537A (en) | 2022-05-05 | 2022-05-05 | A stratified sampling device for groundwater water quality monitoring |
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Cited By (1)
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| CN115200945A (en) * | 2022-09-15 | 2022-10-18 | 沧州市交通运输局 | Sampling instrument for engineering detection |
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| CN115200945B (en) * | 2022-09-15 | 2022-11-29 | 沧州市交通运输局 | Sampling instrument for engineering detection |
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