CN108181135B - Sampling device and sampling method for water quality monitoring - Google Patents
Sampling device and sampling method for water quality monitoring Download PDFInfo
- Publication number
- CN108181135B CN108181135B CN201810304823.1A CN201810304823A CN108181135B CN 108181135 B CN108181135 B CN 108181135B CN 201810304823 A CN201810304823 A CN 201810304823A CN 108181135 B CN108181135 B CN 108181135B
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- water
- roller
- guide
- rotating shaft
- quality monitoring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 178
- 238000005070 sampling Methods 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 7
- 238000005086 pumping Methods 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sampling equipment, in particular to a sampling device for water quality monitoring, which comprises a frame, a winding roller, a water pump, a water suction pipe and a driving motor, wherein two ends of the winding roller are respectively provided with a water outlet pipe and a rotating shaft, the winding roller, the water outlet pipe and the rotating shaft are coaxial, and the winding roller is arranged on the frame through the water outlet pipe and the rotating shaft; the water pump is fixedly arranged in the winding roller, and the water outlet of the water pump is connected with the water outlet pipe; one end of the water suction pipe penetrates through the winding roller and is connected with a water inlet of the water pump; the driving motor is arranged on the frame and is connected with the water outlet pipe or the rotating shaft. The invention also provides a sampling method using the sampling device. The water pumping pipe of the sampling device for water quality monitoring can pump water and sample while being lowered or rolled, and the sampling efficiency is high.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a sampling device and a sampling method for water quality monitoring.
Background
In order to detect the quality of well water, the well water needs to be sampled, and then indexes such as bacteria, PH value, heavy metal and the like in the water sample are detected.
The existing sampling device for water quality monitoring can refer to the patent application of the application number 201610146665.2, the name is a portable combined field investigation water well water sampler, a container (a water taking cup in the patent application) is hung by a rope (a flexible rule in the patent application) to sample in a well, the container is difficult to sink into water, water is taken in a manner of shaking the container or placing a counterweight in the container, the manner of shaking the container is time-consuming and labor-consuming, and in addition, the inner diameters of a plurality of wells are smaller, even the water level monitoring device is arranged in the wells, in order to obtain water samples with enough volume, the container needs to have enough volume to interfere with the water level monitoring device during sampling, and the water level monitoring device has to be removed first and then sampled, so that the efficiency is affected.
Another existing sampling device for water quality monitoring comprises a water pump and a water suction pipe, wherein the relatively thin water suction pipe is inserted into a well to pump water, so that sampling difficulty caused by overlarge containers can be effectively avoided, however, the well depth can reach tens of meters or hundreds of meters, so that a sewer pipe and a water winding pipe occupy a large amount of time, and the labor intensity of a sampler is also high. As the improvement of this water quality monitoring sampling device, use the rolling machine to transfer and the rolling to the drinking-water pipe among the prior art, improved sampling efficiency, reduced sampler's intensity of labour, however, because the water pump is fixed, consequently the drinking-water pipe can only be connected with the water pump when the rolling machine shut down, can not draw water the sample with the in-process of rolling under the drinking-water pipe, influence sampling efficiency.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a sampling device for water quality monitoring, wherein a water pumping pipe can pump water and sample while being lowered or rolled, so that the sampling efficiency is improved.
The technical problems to be solved by the invention are realized by adopting the following technical scheme: the device comprises a frame, a winding roller, a water pump, a water suction pipe and a driving motor, wherein two ends of the winding roller are respectively provided with a water outlet pipe and a rotating shaft, the winding roller, the water outlet pipe and the rotating shaft are coaxial, and the winding roller is arranged on the frame through the water outlet pipe and the rotating shaft; the water pump is fixedly arranged in the winding roller, and the water outlet of the water pump is connected with the water outlet pipe; one end of the water suction pipe penetrates through the winding roller and is connected with a water inlet of the water pump; the driving motor is arranged on the frame and is connected with the water outlet pipe or the rotating shaft.
The technical scheme of the invention is as follows: the winding roller comprises a roller body, a first flange and a second flange, the water outlet pipe is arranged on the first flange, the water pump is arranged on the first flange, the rotating shaft is arranged on the second flange, and two ends of the roller body are respectively connected with the first flange and the second flange through bolts.
The technical scheme of the invention is as follows: the balance weight head is arranged at the free end of the water suction pipe, the balance weight head is provided with a filter hole, the balance weight head is used for enabling the free end of the water suction pipe to be submerged below the water surface, and the filter hole is used for filtering weeds in the water to prevent the water suction pipe from being blocked.
The technical scheme of the invention is as follows: the counterweight head is connected with the spare end of the water pumping pipe in a threaded manner. By adopting the technical scheme, the counterweight head is convenient to take down for cleaning.
The technical scheme of the invention is as follows: the winding roller is characterized by further comprising a storage battery, wherein the storage battery is fixedly arranged inside the winding roller and used for supplying power to the water pump.
The technical scheme of the invention is as follows: the device comprises a water pumping pipe guide device, a water pumping pipe guide device and a water pumping pipe guide device, wherein the water pumping pipe guide device comprises a guide bracket, a gas spring, a first guide roller, a second guide roller and a guide roller unidirectional locking mechanism; the guide bracket is pivoted with the frame, and the gas spring is pivoted between the frame and the guide bracket; the first guide roller and the second guide roller are both arranged on the guide bracket, and the water pumping pipe passes through the space between the first guide roller and the second guide roller; the unidirectional locking mechanism of the guide roller comprises a ratchet mechanism, a first gear and a second gear, the ratchet mechanism comprises a ratchet, a backstop pawl and a tension spring, the ratchet and the backstop pawl are both pivoted on the guide bracket, and the backstop pawl is kept in contact with the ratchet under the action of the tension spring; the first gear is connected with the first guide roller, the second gear is connected with the second guide roller, and the first gear is meshed with the second gear; the first guide roller is connected with the ratchet wheel through a belt transmission mechanism. By adopting the technical scheme, the guide bracket can be folded or unfolded, the gas spring is used for supporting the guide bracket, and the position of the end part of the water pumping pipe during sampling is adjusted by the unfolded angle of the guide bracket so as to prevent interference with the water level monitoring device in the well. The water pumping pipe is contacted with the first guide roller and the second guide roller, and the water pumping pipe can be prevented from being worn when the water pumping pipe is lowered or rolled. The ratchet mechanism is arranged at a position on the guide support, which is close to the rack, so that the sampler can operate conveniently, when the sampler pulls the retaining pawl away from the ratchet, the water pumping pipe can be freely put into the well, when the water pumping pipe is put down to a target position, the sampler releases the retaining pawl, the retaining pawl locks the ratchet unidirectionally under the action of the tension spring, the ratchet locks the first guide roller in the same direction through the belt transmission mechanism, and the first guide roller locks the second guide roller reversely through the meshed first gear and second gear, so that the water pumping pipe cannot fall but can be rolled up.
The technical scheme of the invention is as follows: the driving motor is connected with the rotating shaft through chain transmission.
The technical scheme of the invention is as follows: the water sampling device is characterized by further comprising a hand crank, wherein the hand crank is connected with the rotating shaft, and when the driving motor is not externally connected with a power supply, a sampling person can shake the hand crank to roll the water pumping pipe.
The technical scheme of the invention is as follows: the lifting handle is arranged on the frame, so that the sampling device for water quality monitoring is convenient to carry.
The invention also provides a sampling method using the sampling device for water quality monitoring, which comprises the following steps:
A. connecting a water outlet pipe with a sampling container, and determining the position of a water pumping pipe according to the inner diameter of a well and the position of a water level monitoring device in the well;
B. starting a water pump, enabling a water suction pipe to fall down, and simultaneously pumping a water sample, wherein the water sample is collected into a sampling container through the water suction pipe, the water pump and a water outlet pipe in sequence;
C. starting a driving motor, and winding the water suction pipe by rotating the winding roller, wherein the water suction pipe is used for drawing a water sample while being wound.
Compared with the prior art, the sampling device for water quality monitoring has the beneficial effects that: (1) Sampling is performed by adopting a water pumping mode, and compared with a mode of hanging a container by adopting a rope for sampling, the container does not need to be rocked, so that time and labor are saved; (2) The sampling is convenient for winding the pumping pipe, and is convenient and efficient; (3) The pumping pipe can pump water and sample when being lowered or rolled, and the sampling efficiency is high.
Drawings
FIG. 1 is a perspective view of a sampling device for water quality monitoring according to the present invention.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Fig. 3 is a partial enlarged view of the portion B in fig. 1.
FIG. 4 is a front view of the sampling device for water quality monitoring of the present invention.
Fig. 5 is a cross-sectional view of fig. 4.
FIG. 6 is a side view of a sampling device for water quality monitoring according to the present invention.
FIG. 7 is a schematic view showing the structure of the sampling device for water quality monitoring in the folded state of the guide bracket.
In the figure: 1. the device comprises a frame, 2, a water pump, 3, a water suction pipe, 4, a driving motor, 5, a water outlet pipe, 6, a rotating shaft, 7, a cylinder body, 8, a first flange, 9, a second flange, 10, a counterweight head, 11, a filtering hole, 12, a storage battery, 13, a crank handle, 14, a handle, 15, a guide bracket, 16, a gas spring, 17, a first guide roller, 18, a second guide roller, 19, a first gear, 20, a second gear, 21, a ratchet wheel, 22, a backstop pawl, 23, a tension spring, 24 and a belt transmission mechanism.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following description of the specific embodiments of the present invention will be given with reference to the accompanying drawings.
As shown in figures 1-7, the sampling device for water quality monitoring comprises a frame 1, a winding roller, a water pump 2, a water suction pipe 3, a driving motor 4, a storage battery 12, a hand crank 13 and a water suction pipe guiding device.
The winding roller comprises a roller body 7, a first flange 8 and a second flange 9. The first flange 8 is provided with a water outlet pipe 5, and the water pump 2 is fixedly arranged on the first flange 8. The second flange 9 is provided with a rotating shaft 6, and the storage battery 12 is fixedly arranged on the second flange 9. The two ends of the cylinder 7 are respectively connected with a first flange 8 and a second flange 9 through bolts, and the water pump 2 and the storage battery 12 are positioned inside the cylinder 7. The winding roller, the water outlet pipe 5 and the rotating shaft 6 are coaxial, and the winding roller is rotatably arranged on the frame 1 through the water outlet pipe 5 and the rotating shaft 6.
The water outlet of the water pump 2 is connected with a water outlet pipe 5. One end of the water suction pipe 3 passes through the winding roller and is connected with the water inlet of the water pump 2.
As shown in fig. 2, the hollow end of the water pumping pipe 3 is provided with a weight head 10 in threaded connection with the hollow end, and the weight head 10 is provided with a filter hole 11. The counterweight head 10 is used for immersing the spare end of the water pumping pipe 3 below the water surface, and the filter holes 11 are used for filtering weeds in the water to prevent the water pumping pipe 3 from being blocked.
The driving motor 4 is installed on the frame 1 and connected with the rotating shaft 6 through chain transmission.
The hand crank 13 is connected with the rotating shaft 6, and when the driving motor 4 has no external power supply, a sampling person can shake the hand crank 13 to roll the water pumping pipe 3. In order to be able to use the crank 13, the drive motor 4 cannot use a band-type brake motor.
The pumping pipe guiding device comprises a guiding bracket 15, a gas spring 16, a first guiding roller 17, a second guiding roller 18 and a guiding roller unidirectional locking mechanism.
The guide bracket 15 is pivotally connected to the frame 1 to be opened or folded as shown in fig. 6 and 7. The gas spring 16 is pivoted between the frame 1 and the guide bracket 15, and is used for supporting the guide bracket 15, and adjusting the position of the end part of the water pumping pipe 3 during sampling through the opening angle of the guide bracket 15 so as to prevent interference with the water level monitoring device in the well.
As shown in fig. 1 and 2, the first guide roller 17 and the second guide roller 18 are mounted on the guide bracket 15, the water pumping pipe 3 passes through between the first guide roller 17 and the second guide roller 18, the water pumping pipe 3 contacts with the first guide roller 17 and the second guide roller 18, and the water pumping pipe 3 can be prevented from being worn when the water pumping pipe 3 is lowered or wound.
As shown in fig. 1, a ratchet mechanism is provided on the guide bracket 15 at a position close to the frame 1, facilitating the operation of the sampler. As shown in fig. 3, the unidirectional locking mechanism of the guide roller comprises a ratchet mechanism, a first gear 19 and a second gear 20, the ratchet mechanism comprises a ratchet 21, a backstop pawl 22 and a tension spring 23, the ratchet 21 and the backstop pawl 22 are both pivoted on the guide bracket 15, and the backstop pawl 22 is kept in contact with the ratchet 21 under the action of the tension spring 23.
The first gear 19 is connected to the first guide roller 17, the second gear 20 is connected to the second guide roller 18, and the first gear 19 is meshed with the second gear 20. The first guide roller 17 is connected to the ratchet wheel 21 via a belt drive 24.
When the sampler pulls the retaining pawl 22 away from the ratchet wheel 21, the water pumping pipe 3 can be freely put into the well, when the water pumping pipe 3 is put down to the target position, the sampler releases the retaining pawl 22, the retaining pawl 22 unidirectionally locks the ratchet wheel 21 under the action of the tension spring 23, the ratchet wheel 21 locks the first guide roller 17 in the same direction through the belt transmission mechanism 24, and the first guide roller 17 reversely locks the second guide roller 18 through the meshed first gear 19 and second gear 20, so that the water pumping pipe 3 cannot fall but can be rolled up.
The frame 1 is provided with a handle 14, which is convenient for carrying a sampling device for water quality monitoring.
The method for sampling by using the sampling device for water quality monitoring comprises the following steps:
A. according to the inner diameter of the well and the position of the water level monitoring device in the well, opening the guide bracket 15 and adjusting the angle of the guide bracket 15, and connecting the water outlet pipe 5 with the sampling container;
B. pulling the retaining pawl 22 away from the ratchet wheel 21 and starting the water pump 2, allowing the water suction pipe 3 to fall and simultaneously sucking water samples, wherein the water samples are collected into a sampling container through the water suction pipe 3, the water pump 2 and the water outlet pipe 5 in sequence;
C. the driving motor 4 is started, the backstop pawl 22 is loosened, the water pumping pipe 3 is wound by the rotation of the winding roller, and the water pumping pipe 3 pumps water samples while being wound.
D. After the water suction pipe 3 is wound, the water pump 2 and the driving motor 4 are turned off, and the guide bracket 15 is folded.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. A sampling device for water quality monitoring, its characterized in that: the automatic winding machine comprises a frame (1), a winding roller, a water pump (2), a water suction pipe (3) and a driving motor (4), wherein two ends of the winding roller are respectively provided with a water outlet pipe (5) and a rotating shaft (6), the winding roller, the water outlet pipe (5) and the rotating shaft (6) are coaxial, and the winding roller is arranged on the frame (1) through the water outlet pipe (5) and the rotating shaft (6); the water pump (2) is fixedly arranged in the winding roller, and a water outlet of the water pump (2) is connected with the water outlet pipe (5); one end of the water suction pipe (3) penetrates through the winding roller and is connected with a water inlet of the water pump (2); the driving motor (4) is arranged on the frame (1) and is connected with the water outlet pipe (5) or the rotating shaft (6); the device also comprises a water pumping pipe guide device, wherein the water pumping pipe guide device comprises a guide bracket (15), a gas spring (16), a first guide roller (17), a second guide roller (18) and a guide roller unidirectional locking mechanism; the guide bracket (15) is pivoted on the frame (1), and the gas spring (16) is pivoted between the frame (1) and the guide bracket (15); the first guide roller (17) and the second guide roller (18) are both arranged on the guide bracket (15), and the water suction pipe (3) passes through the space between the first guide roller (17) and the second guide roller (18); the unidirectional locking mechanism of the guide roller comprises a ratchet mechanism, a first gear (19) and a second gear (20), the ratchet mechanism comprises a ratchet wheel (21), a backstop pawl (22) and a tension spring (23), the ratchet wheel (21) and the backstop pawl (22) are pivoted on the guide bracket (15), and the backstop pawl (22) is kept in contact with the ratchet wheel (21) under the action of the tension spring (23); the first gear (19) is connected with the first guide roller (17), the second gear (20) is connected with the second guide roller (18), and the first gear (19) is meshed with the second gear (20); the first guide roller (17) is connected with a ratchet wheel (21) through a belt transmission mechanism (24); the driving motor (4) is connected with the rotating shaft (6) through chain transmission.
2. The sampling device for water quality monitoring of claim 1, wherein: the winding roller comprises a roller body (7), a first flange (8) and a second flange (9), wherein the water outlet pipe (5) is arranged on the first flange (8), the water pump (2) is arranged on the first flange (8), the rotating shaft (6) is arranged on the second flange (9), and two ends of the roller body (7) are respectively connected with the first flange (8) and the second flange (9) through bolts.
3. The sampling device for water quality monitoring of claim 1, wherein: the balance weight head (10) is arranged at the free end of the water suction pipe (3), and a filter hole (11) is formed in the balance weight head (10).
4. A sampling device for water quality monitoring according to claim 3, wherein: the counterweight head (10) is connected with the spare end of the water pumping pipe (3) in a threaded manner.
5. The sampling device for water quality monitoring of claim 1, wherein: the winding roller further comprises a storage battery (12), and the storage battery (12) is fixedly arranged inside the winding roller.
6. The sampling device for water quality monitoring according to any one of claims 1 to 5, wherein: the hand crank (13) is connected with the rotating shaft (6).
7. The sampling device for water quality monitoring according to any one of claims 1 to 5, wherein: a handle (14) is arranged on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304823.1A CN108181135B (en) | 2018-04-08 | 2018-04-08 | Sampling device and sampling method for water quality monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304823.1A CN108181135B (en) | 2018-04-08 | 2018-04-08 | Sampling device and sampling method for water quality monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN108181135A CN108181135A (en) | 2018-06-19 |
| CN108181135B true CN108181135B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810304823.1A Active CN108181135B (en) | 2018-04-08 | 2018-04-08 | Sampling device and sampling method for water quality monitoring |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484089A (en) * | 2021-07-02 | 2021-10-08 | 江苏恩测检测技术有限公司 | Water quality sampler with remote multi-depth-setting function |
| CN113418563A (en) * | 2021-07-02 | 2021-09-21 | 武汉雅思达科技有限公司 | Mobile water quality and water level monitoring equipment and using method thereof |
| CN114414772B (en) * | 2022-01-21 | 2024-05-03 | 江苏慧仁生态科技有限公司 | Movable assembled field runoff detection method |
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| CN208026507U (en) * | 2018-04-08 | 2018-10-30 | 孙影 | A kind of sampler for water quality monitoring |
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| CN2439917Y (en) * | 2000-07-20 | 2001-07-25 | 孙航 | Cold milled-twisted concret bar and cold milling machine for cold milling screw concrete bar without welding |
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| CN108181135A (en) | 2018-06-19 |
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