CN110702466A - Hydrology monitoring devices - Google Patents
Hydrology monitoring devices Download PDFInfo
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- CN110702466A CN110702466A CN201911027607.8A CN201911027607A CN110702466A CN 110702466 A CN110702466 A CN 110702466A CN 201911027607 A CN201911027607 A CN 201911027607A CN 110702466 A CN110702466 A CN 110702466A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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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
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention discloses a hydrological monitoring device.A water sample collecting barrel of a water body sampling mechanism is divided into a plurality of water sample storage cavities provided with water inlets, and each water inlet is provided with a sealing door; a rotating shaft penetrating through each water sample storage cavity is further arranged on the longitudinal central line of the water sample collecting barrel, a shifting rod fixedly connected with the rotating shaft is arranged in each water sample storage cavity, and when the end head of each shifting rod rotates to the corresponding closed door, the closed door can be just jacked open; the part of the upper end of the rotating shaft, which extends out of the water sample collecting barrel, is sleeved with a sleeve, the lower end of the sleeve is fixed with the water sample collecting barrel, the rotating shaft is connected with an axis shaft of a flexible shaft, the upper end of the sleeve is fixedly connected with a supporting pipe of the flexible shaft, the flexible shaft is connected with an indicating plate, the axis of the flexible shaft is connected with an indicating needle rotating shaft on the indicating plate, an indicating needle is fixed on the indicating needle rotating shaft, and indicating marks corresponding to the closed doors one to one. The invention can sample in each water sampling layer after penetrating into the water body once, and facilitates the hydrological monitoring, sampling and detecting work.
Description
Technical Field
The invention relates to the technical field of hydrological monitoring, in particular to a hydrological monitoring device.
Background
When manual hydrological monitoring is carried out, water sampling is needed to be carried out in water layers with different depths in a monitored water area, then a collected water sample is detected, a water sampling device in the prior art can only take water in the water layer with one depth at a time, then water is taken in the water layers with other depths after detection, the sampling device can not sample in different water layers of the water sample to be collected at the same time in one time, multiple times of sampling are needed, and the sampling layer is usually deep, so that the manual hydrological monitoring is very troublesome.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a hydrological monitoring device, which can be used for sampling in each water sampling layer after penetrating into a water body once during manual hydrological monitoring, so that the hydrological monitoring sampling detection work is facilitated.
The technical scheme of the invention is as follows: a hydrological monitoring device comprises a water sampling mechanism and a water quality detection unit, wherein the water sampling mechanism is used for collecting water sample samples from water bodies of rivers and lakes, the water quality detection unit is used for detecting the water quality of the collected water sample samples, the water sampling mechanism comprises a cylindrical water sample collecting barrel for collecting the water sample samples, the interior of the water sample collecting barrel is divided into a plurality of water sample storage cavities by a plurality of partition plates in the longitudinal direction, a water inlet is formed in the side wall of each water sample storage cavity, a closed door for plugging the water inlet is hinged to the side wall of the water sample collecting barrel corresponding to the position of each water inlet, a force application mechanism is arranged between each closed door and the barrel wall of the water sample collecting barrel, and the force application mechanism is used for tightly plugging the water inlet when the corresponding closed door is not applied with an opening force; the water inlets are not in the same vertical line in pairs, each closed door comprises a protruding part which exceeds the inner side wall of the water sample collecting barrel after the corresponding water inlet is blocked, the water sample collecting barrel is further provided with a rotating shaft along the longitudinal central line of the water sample collecting barrel, the rotating shaft respectively penetrates through the partition plates and the upper end face of the water sample collecting barrel and is in sealed rotating connection with the partition plates and the upper end face of the water sample collecting barrel, a transverse shifting rod is arranged in each water sample storage cavity, one end of each shifting rod is perpendicular to and fixedly connected with the rotating shaft, and when the rotating shaft rotates, when the other end of each shifting rod rotates to the closed door arranged on the side wall of the water sample storage cavity, thrust in the radial direction of the water sample collecting barrel and far away from the longitudinal central line of the water sample collecting barrel can be applied to the protruding part of the closed door, so that the closed door is pushed open; the part of the upper end of the rotating shaft extending out of the water sample collecting barrel is sleeved with a sleeve, the lower end of the sleeve is fixed with the water sample collecting barrel, the upper end of the rotating shaft is connected with the lower end of the axle center of the flexible shaft through a fixed shaft, the upper end of the sleeve is fixedly connected with the lower end of the supporting tube of the flexible shaft, the upper end of the supporting tube of the flexible shaft is fixedly connected with the middle part of the lower end surface of the indicating plate, the upper end of the axle center of the flexible shaft is connected with the indicating needle rotating shaft fixing shaft, the indicating needle rotating shaft is arranged at the center of the indicating disc in a longitudinal rotating way, the upper end of the indicating needle rotating shaft is fixed with the indicating needle, the upper end surface of the indicating disc is respectively provided with indicating marks corresponding to the closed doors one by one along the circumferential direction of the indicating disc, when the indicating needle is driven by the rotating shaft of the indicating needle to point to one of the indicating marks, the corresponding shifting lever is driven by the rotation of the rotating shaft and the axis to rotate to just push open the closed door corresponding to the indicating mark.
The closed door is hinged to the side wall of the water sample collecting barrel through a hinged shaft, and the force application mechanism is a reset torsion spring sleeved at the end part of the hinged shaft; one end of the reset torsion spring is fixed on the side wall of the water sample collection barrel, the other end of the reset torsion spring is fixed on the corresponding closed door, and the reset torsion spring is used for enabling the closed door to tightly block the water inlet when the corresponding closed door is not applied with opening force.
The shifting rods are all located in the same longitudinal plane, and the water inlets are evenly distributed in the circumferential direction of the water sample collecting barrel, namely the included angles of the two adjacent water inlets around the longitudinal center line of the water sample collecting barrel in the horizontal plane are equal.
The number of the water sample storage cavities is 3, and the water sample storage cavities sequentially comprise an upper water sample storage cavity, a middle water sample storage cavity and a lower water sample storage cavity from top to bottom, wherein water inlets formed in the upper water sample storage cavity, the middle water sample storage cavity and the lower water sample storage cavity are sequentially arranged anticlockwise along the circumferential direction of the water sample collection barrel when seen from the overlooking direction; the indicating signs corresponding to the closed doors of the water inlets on the upper end face of the indicating disc are also sequentially arranged anticlockwise in the overlooking direction, and the indicating signs are sequentially a first indicating sign corresponding to the water inlet of the upper water sample storage cavity, a second indicating sign corresponding to the water inlet of the middle water sample storage cavity and a third indicating sign corresponding to the water inlet of the lower water sample storage cavity.
The indicating needle rotating shaft is also provided with a hand crank used for rotating the indicating needle rotating shaft.
Above-mentioned protruding portion is the semi-spherical structure, and when the closed door was closed, the closed door's this semi-spherical structure's sphere stretched into inside the water inlet that corresponds, played the effect of shutoff water inlet, and this semi-spherical structure's circumference is equipped with the silica gel sealing layer, and when the shutoff water inlet, the silica gel sealing layer is used for the gap between sealed semi-spherical structure and the water inlet circumference.
The end of each deflector rod, which is in contact with the protruding part, is provided with a hemispherical contact, and one spherical end of each contact is used for being in contact with the protruding part and exerting thrust on the protruding part.
The side wall of the flexible shaft is provided with length scales and corresponding length scale values along the longitudinal direction.
The side wall of the indicating plate is provided with a handheld part.
The invention has the beneficial effects that: the embodiment of the invention provides a hydrological monitoring device, which can be used for sampling in each water body sampling layer after penetrating into a water body once during artificial hydrological monitoring, and facilitates the hydrological monitoring, sampling and detecting work. The water sampling barrel is sunk into the corresponding water sampling layer in sequence, the rotating shaft of the indicating needle is rotated, the indicating needle on the rotating shaft of the indicating needle is rotated anticlockwise to the corresponding indicating mark in sequence and stays properly (so that the sampled water has enough time to flow into the water sample storage cavity) when the water sampling barrel sinks to the corresponding sampling layer, the water sampling on different sampling layers can be realized in sequence, after all sampling layers are sampled, the indicating needle is rotated towards the same direction for a small angle to ensure that the indicating needle does not indicate any indicating mark, the water inlet of each water sample storage cavity is sealed by the corresponding sealing door, the water sampling barrel is lifted upwards out of the water surface, the aim of one-time water sampling from each sampling layer in the water body can be realized, and when the sampling is not needed, the flexible shaft is used as a traction rope connected with the water sampling barrel, the flexible shaft can be coiled to conveniently store and store the water body sampling mechanism.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the closure door portion of the present invention;
fig. 3 is a front view of the closing door portion of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Referring to fig. 1, 2 and 3, an embodiment of the invention provides a hydrological monitoring device, which comprises a water sampling mechanism and a water quality detection unit, wherein the water sampling mechanism is used for collecting water samples from water bodies in rivers and lakes, the water quality detection unit is used for detecting the water quality of the collected water samples, the water sampling mechanism comprises a cylindrical water sample collecting barrel 1 for collecting the water samples, the inside of the water sample collecting barrel 1 is divided into a plurality of water sample storage chambers for sampling different water layers through a plurality of partition plates 1-4 in the longitudinal direction, the side wall of each water sample storage chamber is provided with a water inlet 11, the position, corresponding to each water inlet 11, on the side wall of the water sample collecting barrel 1 is hinged with a closed door 7 for plugging the water inlet 11, and a force application mechanism is arranged between each closed door 7 and the barrel wall of the water sample collecting barrel 1, the force application mechanism is used for tightly plugging the water inlet 11 of the closed door 7 when the corresponding closed door 7 is not applied with opening force; the water inlets 11 are not in the same vertical line in pairs, namely, no two water inlets 11 are in the same vertical line, each closed door 7 comprises a protruding part 7-4 which exceeds the inner side wall of the water sample collecting barrel 1 (namely, extends into the water sample collecting barrel 1) after the corresponding water inlet 11 is blocked, the water sample collecting barrel 1 is further provided with a rotating shaft 9 along the longitudinal central line thereof, the rotating shaft 9 respectively penetrates through the partition plates 1-4 and the upper end face of the water sample collecting barrel 1 and is in sealed rotating connection with the partition plates 1-4 and the upper end face of the water sample collecting barrel 1, a transverse deflector rod 10 is arranged in each water sample storage cavity, one end of each deflector rod 10 is vertical to and fixedly connected with the rotating shaft 9, when the rotating shaft 9 rotates, when the other end of each deflector rod 10 rotates to the closed door 7 arranged on the side wall of the water sample storage cavity, the pushing force in the direction along the radial direction of the water sample collecting barrel 1 and far away from the longitudinal center line of the water sample collecting barrel 1 can be applied to the protruding part 7-4 of the closed door 7 just, so that the closed door 7 is pushed open, and the sampled water enters the corresponding water sample storage cavity; the upper end of the rotating shaft 9 extends out of the part of the water sample collecting barrel 1 and is sleeved with a sleeve 8, the lower end of the sleeve 8 is fixed with the upper end surface of the water sample collecting barrel 1, the upper end of the rotating shaft 9 is fixedly connected with the lower end of the shaft center 2-2 of the flexible shaft 2, the upper end of the sleeve 8 is fixedly connected with the lower end of the supporting tube 2-1 of the flexible shaft 2, the upper end of the supporting tube 2-1 of the flexible shaft 2 is fixedly connected with the middle part of the lower end surface of the indicating disc 3, the upper end of the shaft center 2-2 of the flexible shaft 2 is fixedly connected with a fixed shaft of the indicating needle rotating shaft 4, the indicating needle rotating shaft 4 is longitudinally and rotatably arranged at the central position of the indicating disc 3, the upper end of the indicating needle rotating shaft 4 is fixedly provided with an indicating needle 5, indicating marks which are in one-to-one correspondence with the closed doors 7 and have the same sequence in, the corresponding deflector rod 10 is driven to rotate under the rotation of the shaft center 2-2 and the rotating shaft 9 until the closed door 7 corresponding to the indication mark is just jacked open, so that the water body sampling is carried out on the corresponding water layer.
Further, referring to fig. 2-3, the closing door 7 is hinged to the side wall of the water sample collecting barrel 1 through a hinge shaft 7-2, and the force applying mechanism is a reset torsion spring 7-3 sleeved at the end of the hinge shaft 7-2; one end of the reset torsion spring 7-3 is fixed on the side wall of the water sample collection barrel 1, the other end of the reset torsion spring is fixed on the corresponding closed door 7, the reset torsion spring 7-3 is used for enabling the closed door 7 to tightly block the water inlet 11 when the corresponding closed door 7 is not applied with opening force, and at the moment, the outside water body cannot enter the water sample storage cavity corresponding to the closed door 7.
Furthermore, the deflector rods 10 are all located in the same longitudinal plane, and the water inlets 11 are uniformly distributed in the circumferential direction of the water sample collection barrel 1, that is, the included angles of the two adjacent water inlets 11 in the horizontal plane around the longitudinal center line of the water sample collection barrel 1 are equal.
Furthermore, the number of the water sample storage cavities is 3, the water sample storage cavities comprise an upper water sample storage cavity 1-1, a middle water sample storage cavity 1-2 and a lower water sample storage cavity 1-3 from top to bottom, and water inlets 11 formed in the upper water sample storage cavity 1-1, the middle water sample storage cavity 1-2 and the lower water sample storage cavity 1-3 are arranged anticlockwise in sequence along the circumferential direction of the water sample collection barrel 1 when seen from the overlooking direction; the indicating marks corresponding to the closed doors 7 of the water inlets 11 on the upper end face of the indicating disc 3 are also sequentially arranged anticlockwise in the overlooking direction, and the indicating marks are sequentially a first indicating mark 12 corresponding to the water inlet 11 of the upper water sample storage cavity 1-1, a second indicating mark 13 corresponding to the water inlet 11 of the middle water sample storage cavity 1-2 and a third indicating mark 14 corresponding to the water inlet 11 of the lower water sample storage cavity 1-3.
Furthermore, a hand crank 16 for rotating the pointer rotating shaft 4 is further arranged on the pointer rotating shaft 4. The hand crank 16 can conveniently rotate the indicating needle rotating shaft 4 to rotate, and then the shaft center of the flexible shaft is driven to rotate.
Further, referring to fig. 2, the protruding portion 7-4 is of a hemispherical structure, when the closing door 7 is closed, a spherical surface of the hemispherical structure of the closing door 7 extends into the corresponding water inlet 11 to play a role of blocking the water inlet 11, and a silicone sealing layer 7-1 or a rubber sealing layer is arranged in the circumferential direction of the hemispherical structure, and when the water inlet 11 is blocked, the silicone sealing layer 7-1 is used for sealing a gap between the hemispherical structure and the circumferential direction of the water inlet 11.
Furthermore, the end of each deflector rod 10, which is in contact with the protrusion 7-4, is provided with a hemispherical contact 10-1, and one spherical end of the contact 10-1 is used for being in contact with the protrusion 7-4 and exerting pushing force on the protrusion 7-4. The hemispherical shape of the contact 10-1 is intended to facilitate the sliding of the contact 10-1 from the side between the end of the lever 10 and the projection 7-4 of the door 7 when the lever 10 is rotated.
Furthermore, length scales 6 and corresponding length scale values are longitudinally arranged on the side wall of the flexible shaft 2, and whether the water sample collection barrel 1 sinks to reach the water sampling layer or not can be determined through the length scales 6 and the corresponding length scale values.
Furthermore, a hand-held part 15 is arranged on the side wall of the indicating plate 3, and one hand can hold the hand-held part during water body sampling to vacate the other hand to operate the rotation of the indicating needle rotating shaft 4.
In summary, the embodiment of the invention provides a hydrologic monitoring device, which can be used for sampling in each water sampling layer after penetrating into a water body once during artificial hydrologic monitoring, so that the hydrologic monitoring sampling detection work is facilitated. The water sampling barrel is sunk into the corresponding water sampling layer in sequence, the rotating shaft of the indicating needle is rotated, the indicating needle on the rotating shaft of the indicating needle is rotated anticlockwise to the corresponding indicating mark in sequence and stays properly (so that the sampled water has enough time to flow into the water sample storage cavity) when the water sampling barrel sinks to the corresponding sampling layer, the water sampling on different sampling layers can be realized in sequence, after all sampling layers are sampled, the indicating needle is rotated towards the same direction for a small angle to ensure that the indicating needle does not indicate any indicating mark, the water inlet of each water sample storage cavity is sealed by the corresponding sealing door, the water sampling barrel is lifted upwards out of the water surface, the aim of one-time water sampling from each sampling layer in the water body can be realized, and when the sampling is not needed, the flexible shaft is used as a traction rope connected with the water sampling barrel, the flexible shaft can be coiled to conveniently store and store the water body sampling mechanism.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. A hydrological monitoring device comprises a water sampling mechanism and a water quality detection unit, wherein the water sampling mechanism is used for collecting water sample samples from water bodies in rivers and lakes, the water quality detection unit is used for detecting the water quality of the collected water sample samples, and the hydrological monitoring device is characterized in that the water sampling mechanism comprises a cylindrical water sample collecting barrel (1) for collecting the water sample samples, the inside of the water sample collecting barrel (1) is divided into a plurality of water sample storage cavities through a plurality of clapboards (1-4) in the longitudinal direction, the side wall of each water sample storage cavity is provided with a water inlet (11), the position corresponding to each water inlet (11) on the side wall of the water sample collecting barrel (1) is hinged with a closed door (7) for plugging the water inlet (11), and force application mechanisms are arranged between the closed doors (7) and the barrel wall of the water sample collecting barrel (1), the force application mechanism is used for tightly blocking the water inlet (11) by the closed door (7) when the corresponding closed door (7) is not applied with opening force; the water inlets (11) are not in the same vertical line in pairs, each sealing door (7) comprises a protruding part (7-4) which exceeds the inner side wall of the water sample collecting barrel (1) after the corresponding water inlet (11) is sealed, the water sample collecting barrel (1) is also provided with a rotating shaft (9) along the longitudinal central line of the water sample collecting barrel, the rotating shaft (9) respectively penetrates through each partition plate (1-4) and the upper end face of the water sample collecting barrel (1) and is in sealed rotary connection with each partition plate (1-4) and the upper end face of the water sample collecting barrel (1), each water sample storage cavity is internally provided with a transverse shifting rod (10), one end of each shifting rod (10) is vertical to and fixedly connected with the rotating shaft (9), when the rotating shaft (9) rotates, when the other end of each shifting rod (10) rotates to the sealing door (7) arranged on the side wall of the water sample storage cavity, the pushing force in the direction along the radial direction of the water sampling bucket (1) and far away from the longitudinal center line of the water sampling bucket (1) can be applied to the protruding part (7-4) of the closed door (7) just right, so that the closed door (7) is pushed open; the upper end of the rotating shaft (9) extends out of the part of the water sample collecting barrel (1) and is sleeved with a sleeve (8), the lower end of the sleeve (8) is fixed with the water sample collecting barrel (1), the upper end of the rotating shaft (9) is fixedly connected with the lower end of an axle center (2-2) of the flexible shaft (2), the upper end of the sleeve (8) is fixedly connected with the lower end of a supporting tube (2-1) of the flexible shaft (2), the upper end of the supporting tube (2-1) of the flexible shaft (2) is fixedly connected with the middle part of the lower end surface of the indicating dial (3), the upper end of the axle center (2-2) of the flexible shaft (2) is connected with a fixed shaft of the indicating needle rotating shaft (4), the indicating needle rotating shaft (4) is arranged at the central position of the indicating dial (3) along the longitudinal rotation, the upper end of the indicating needle rotating shaft (4) is fixedly provided with indicating marks which are in one-to-one correspondence with each sealing, when the indicating needle (5) is driven by the rotating shaft (4) of the indicating needle to point at one of the indicating marks, the corresponding shifting lever (10) is driven by the rotation of the shaft center (2-2) and the rotating shaft (9) to rotate to just push open the closed door (7) corresponding to the indicating mark.
2. A hydrological monitoring device according to claim 1, wherein said closing door (7) is hinged to the lateral wall of the watery collection tub (1) by means of a hinge axis (7-2), said forcing means being a return torsion spring (7-3) fitted at the end of said hinge axis (7-2); one end of the reset torsion spring (7-3) is fixed on the side wall of the water sample collection barrel (1), the other end of the reset torsion spring is fixed on the corresponding closed door (7), and the reset torsion spring (7-3) is used for tightly blocking the water inlet (11) of the closed door (7) when the corresponding closed door (7) is not applied with opening force.
3. The hydrological monitoring device according to claim 1, wherein the deflector rods (10) are located in the same longitudinal plane, and the water inlets (11) are uniformly distributed along the circumferential direction of the water sampling barrel (1), that is, the included angles formed by the vertical connecting lines between two adjacent water inlets (11) and the longitudinal center line of the water sampling barrel (1) are equal.
4. The hydrological monitoring device according to claim 1, wherein the number of the water sample storage chambers is 3, the upper water sample storage chamber (1-1), the middle water sample storage chamber (1-2) and the lower water sample storage chamber (1-3) are sequentially arranged from top to bottom, and water inlets (11) formed in the upper water sample storage chamber (1-1), the middle water sample storage chamber (1-2) and the lower water sample storage chamber (1-3) are sequentially arranged anticlockwise along the circumferential direction of the water sample collection barrel (1) when viewed from the overlooking direction; the indicating marks of the closed doors (7) corresponding to the water inlets (11) on the upper end face of the indicating disc (3) are sequentially arranged anticlockwise in the overlooking direction, and the indicating marks are sequentially a first indicating mark (12) corresponding to the water inlet (11) of the upper water sample storage cavity (1-1), a second indicating mark (13) corresponding to the water inlet (11) of the middle water sample storage cavity (1-2) and a third indicating mark (14) corresponding to the water inlet (11) of the lower water sample storage cavity (1-3).
5. A hydrological monitoring device according to claim 1, wherein the hand crank (16) for rotating the pointer shaft (4) is further provided on the pointer shaft (4).
6. A hydrological monitoring device according to claim 1, wherein the protrusions (7-4) are of a hemispherical structure, when the closing door (7) is closed, the spherical surface of the hemispherical structure of the closing door (7) extends into the corresponding water inlet (11) to block the water inlet (11), and a silicone sealing layer (7-1) is arranged around the hemispherical structure, and when the water inlet (11) is blocked, the silicone sealing layer (7-1) is used for sealing a gap between the hemispherical structure and the water inlet (11).
7. A hydrological monitoring device according to claim 1, wherein the end of each of said levers (10) in contact with the projection (7-4) is provided with a hemispherical contact (10-1), said contact (10-1) having a spherical end for contacting the projection (7-4) and exerting a pushing force on the projection (7-4).
8. A hydrological monitoring device according to claim 1, characterized in that the side wall of the flexible shaft (2) is provided with length scales (6) and corresponding length scale values along its longitudinal direction.
9. A hydrological monitoring device according to claim 1, wherein the indicating dial (3) is provided with a hand grip (15) on a side wall thereof.
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| CN201911027607.8A CN110702466B (en) | 2019-10-28 | 2019-10-28 | Hydrology monitoring devices |
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| CN201911027607.8A CN110702466B (en) | 2019-10-28 | 2019-10-28 | Hydrology monitoring devices |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112255018A (en) * | 2020-10-13 | 2021-01-22 | 青岛瞪羚科技服务有限公司 | A quality of water sampling device for lake |
| KR102409699B1 (en) * | 2021-12-07 | 2022-06-16 | 구민수 | Prefab Automatic Water Reservoir |
| CN116067706A (en) * | 2023-02-24 | 2023-05-05 | 华北水利水电大学 | Sampling device for hydrologic water resource ecological detection |
| CN117309501A (en) * | 2023-11-29 | 2023-12-29 | 德州润泓五金机电设备有限公司 | Water quality analysis equipment in hydraulic engineering |
| CN117589519A (en) * | 2024-01-19 | 2024-02-23 | 四川盈和佳瑞科技服务有限公司 | Layered water quality monitoring device for municipal administration and application method thereof |
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