CN111024442B - Land-based water body sampling equipment of hydrological monitoring station - Google Patents
Land-based water body sampling equipment of hydrological monitoring station Download PDFInfo
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- CN111024442B CN111024442B CN201911305599.9A CN201911305599A CN111024442B CN 111024442 B CN111024442 B CN 111024442B CN 201911305599 A CN201911305599 A CN 201911305599A CN 111024442 B CN111024442 B CN 111024442B
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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
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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 relates to the field of hydrological monitoring, in particular to land-based water body sampling equipment of a hydrological monitoring station. The technical problem is how to provide a hydrological monitoring station land-based water body sampling device which does not need manual work to enter a water body, has low risk, high speed and adjustable sampling depth and ensures the accuracy of the sampled water body. A land-based water body sampling device of a hydrological monitoring station comprises a mounting frame, a lifting assembly and the like; the mounting frame is installed on the river bank edge, and mounting holes are formed in the mounting frame. According to the invention, the multi-group water collecting devices and the multi-group trigger water receiving devices enter the water body for sampling by adopting the rotary installation box, so that the multi-group water collecting devices can independently sample and store different depths of the water body, the accuracy of sampling the water body can be improved, and the sampling mode can be completed by rotating the rotary installation box to a vertical state, so that the sampling speed is ensured.
Description
Technical Field
The invention relates to the field of hydrological monitoring, in particular to land-based water body sampling equipment of a hydrological monitoring station.
Background
Hydrologic monitoring refers to a complex and comprehensive system engineering that monitors, measures, analyzes and warns the spatial-temporal distribution and change rule of natural water through a scientific method, and the hydrologic monitoring system is suitable for hydrologic departments to monitor hydrologic parameters such as rivers, lakes, reservoirs, channels and groundwater in real time, and the monitoring content includes: water level, flow rate, rainfall (snow), evaporation, silt, slush, soil moisture, water quality, and the like.
In the sampling process of carrying out hydrology monitoring at present, many adopt artifical handheld container to sample the water, need artifical entering water in usually, or carry out the water intaking on the bank, the problem that nevertheless exists like this is inefficiency, and dangerous high at the in-process of monitoring moreover to the sampling depth often is uncontrollable, is difficult to guarantee the accuracy of sampling water.
In view of the problems, the land-based water body sampling equipment of the hydrological monitoring station, which does not need manual water body entering, has low danger and high speed, can ensure the accuracy of the sampled water body, and has adjustable sampling depth, is designed to overcome the defects of high danger, low speed and difficulty in ensuring the accuracy of the sampled water body, which are caused by the manual water body entering in the existing sampling mode.
Disclosure of Invention
In order to overcome the defects that the danger caused by manual entering of a water body is high, the speed is low, and the accuracy of a sampled water body is difficult to ensure in the sampling process during the current hydrological monitoring, the technical problem is as follows: the land-based water body sampling equipment of the hydrological monitoring station has the advantages of low danger and high speed without manual water body entering, and the sampling depth is adjustable to ensure the accuracy of the sampled water body.
The technical scheme is as follows: a land-based water body sampling device of a hydrological monitoring station comprises a mounting rack, a lifting component, a lifting rod, a rotating shaft, a rotating block, a mounting box, a water collecting device, a trigger water receiving device, a winch and a traction part, the mounting rack is arranged on the riverside, a mounting hole is arranged in the mounting rack, a lifting component is arranged in the mounting hole, the right side of the lifting component is connected with a lifting rod, the rear part of the lower right side of the lifting rod is connected with a rotating shaft, the rear side of the rotating shaft is connected with a rotating block, the right side of the rotating block is connected with an installation box, the upper side in the installation box is provided with a plurality of groups of water collecting devices, a plurality of groups of triggering water receiving devices are arranged at the lower side of the installation box, the triggering water receiving devices are connected with the water collecting device, a winch is installed on the inner upper side of the mounting frame, a traction part is wound on the winch, and the lower end of the traction part is connected to the right side of the mounting box; when water body sampling is needed during hydrological monitoring, the water collecting device can be placed into the installation box, the winch is started and the installation box is controlled to move up and down through the lifting assembly, the installation box moves up and down through the lifting rod, the installation box rotates forwards through the rotating shaft due to gravity, the winch releases the traction part at the moment, the installation box enters a vertical position and enters the water body, the winch can be closed at the moment, the trigger water receiving device is also triggered when the installation box enters the vertical state, water enters the water collecting device through the trigger water receiving device, and therefore the multiple groups of water collecting devices collect water at different depths; after the water collection is completed, the winch can be started to recover the traction part, so that the installation box is reversed, the triggered water receiving device is separated from the triggered state to stop water collection when the reversal is started, the installation box can be controlled to move upwards through the lifting assembly, so that the installation box can ascend, when the water collecting device ascends to be convenient to operate, the winch can be closed to enter a locking state, and at the moment, the water collecting device can be taken out from the installation box.
Furthermore, the lifting assembly can be a combined mechanism with a guiding function, such as a slide rail slide block, a guide rail guide sleeve, a screw rod, a nut of the screw rod and the like.
Further, the pulling member may be a member having a windability such as a wire rope or a rope.
Furthermore, the water collecting device comprises a screw, a nut, a connecting plate, a water collecting tank, a valve, a one-way valve and a filling pipe, five rectangular holes are uniformly formed in the upper side of the mounting box, five groups of screw are uniformly arranged on the upper side in the mounting box, the nut is screwed on the screw, the connecting plate is placed above the rectangular holes of the mounting box, through holes are formed in the left side and the right side of the connecting plate and sleeved on the screw, the connecting plate is positioned below the nut, the water collecting tank is connected to the lower side of the connecting plate, the valve is connected to the left side of the lower side of the water collecting tank, the one-way valve is connected to the lower side of the water collecting tank, the filling pipe is connected to the lower side of the one-way valve, and the filling pipe is connected with the triggering water receiving device; when water sampling is required to be started, the water collecting tank can be placed in the installation box through the rectangular hole, the through hole of the connecting plate is sleeved on the screw rod, the nut is screwed in, and the filling pipe is connected with the trigger water receiving device; when the trigger water receiving device is triggered, water enters the filling pipe through the trigger water receiving device and flows into the water collecting tank through the filling pipe to be stored, the water collecting tank which is vertically distributed after the installation box rotates collects water at different depths of the water body, the one-way valve avoids backflow when the installation box is in a horizontal state, and after the water collection is finished, the nut can be unscrewed, the water collecting tank is taken out from the installation box, and the valve is opened to store and detect the water sample in the water collecting tank independently.
Furthermore, the triggering water receiving device comprises a water receiving pipe, guide sleeves, guide rods, a connecting rod, a first elastic part, a guide wheel, a guide sheet, a second elastic part and a movable rubber plate, five water receiving pipes are uniformly connected to the lower side of the installation box, the water receiving pipes can extend into the filling pipe, the positions of the water receiving pipes correspond to the positions of the filling pipe, the guide sleeves are respectively connected to the left side and the right side of the lower side wall in the installation box, the guide rods are connected in the guide sleeves in a sliding manner, the guide rods extend into and penetrate through the water receiving pipes, the positions of the water receiving pipes, which are transmitted by the guide rods, are of an inwards concave structure, the connecting rod is connected to the left end of the guide rods, the first elastic part is connected to the right side of the connecting rod, the right side of the first elastic part is connected to the guide sleeves on the left side, the connecting rod extends out of the installation box, and the guide wheel is connected to the left end of the connecting rod, the lower part of the right side of the lifting rod is connected with a guide piece, the periphery of the guide piece is concentric with the rotating shaft, the guide wheel is in contact with the guide piece, the guide piece is of a lower-side quadrant point protruding structure, a water through hole is formed in the left side of the water receiving pipe on the guide rod, rectangular grooves are formed in the upper side and the lower side of the left side part of the water receiving pipe on the guide rod, the second elastic piece is connected in the rectangular grooves, a movable rubber plate is connected to the right side of the second elastic piece and can block the rectangular grooves, and the movable rubber plate is in contact with the left side of the water receiving pipe; the filling pipe can be firstly sleeved in the water receiving pipe, when the installation box is not rotated to the vertical state, the guide rod can block water from flowing in the water receiving pipe, when the installation box is rotated to the vertical state, the guide wheel can be pushed outwards by the guide sheet so as to push the connecting rod, the connecting rod pushes the guide rod, at the moment, the first elastic part can enter the stressed state, the guide rod can enable the water through hole to be positioned in the water receiving pipe, so that outside water can enter the filling pipe through the water receiving pipe and the water through hole, so as to collect water in the water collecting box, in the moving process of the guide rod, the movable rubber plate can enter the rectangular groove, at the moment, the second elastic part can enter the stressed state, so that the movable rubber plate is attached to the water receiving pipe, and water outflow can be avoided when the water through hole does not completely enter the water receiving pipe, when the mounting box rotates reversely, the guide wheel is separated from the protrusion of the guide sheet, the first elastic piece is recovered from a stressed state at the moment, so that the guide rod is driven to move, the water through hole is separated from the position in the water receiving pipe, the guide rod blocks the water receiving pipe, the second elastic piece is recovered from the stressed state at the moment, and the movable rubber plate can be attached to the water receiving pipe all the time.
Further, the first elastic member and the second elastic member may be springs.
Further, the water collecting devices are N groups, and the number of the parts of the water receiving pipe and the guide rod positioned in the water receiving pipe part is N groups.
The water receiving pipe is characterized by further comprising a connecting box and a filter screen plate, wherein the connecting box is connected to the lower side of the mounting box, the filter screen plate is connected to the lower side of the connecting box, and the filter screen plate blocks all the water receiving pipes; therefore, impurities such as aquatic weeds and the like in the water body can be prevented from entering the water receiving pipe.
The invention has the following advantages: according to the invention, the water body is sampled by adopting the roadbed equipment arranged on the river bank, so that the danger caused by manual entering of the water body can be avoided, the multiple groups of water collecting devices and the multiple groups of triggered water receiving devices can enter the water body for sampling by adopting the rotary installation box, the multiple groups of water collecting devices can independently sample and store different depths of the water body, the accuracy of the sampled water body can be improved, and the sampling mode can be completed by rotating the installation box to a vertical state, so that the sampling speed is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front cut-away view of the present invention.
Fig. 3 is an enlarged view of a portion of the mounting box of the present invention.
Fig. 4 is a partially enlarged view of the guide bar of the present invention.
Part names and serial numbers in the figure: 1. river bank, 2. mounting frame, 3. mounting hole, 4. lifting component, 5. lifting rod, 6. rotating shaft, 7. rotating block, 8. mounting box, 9. water collecting device, 10. triggering water receiving device, 11. windlass, 12. pulling component, 91. rectangular hole, 92. screw stem 921, nut, 93. connecting plate, 94. through hole, 95. water collecting box, 96. valve, 97. check valve, 98. filling pipe, 101. water receiving pipe, 102. guide sleeve, 103. guide rod, 104. connecting rod, 105. first elastic piece, 106. guide wheel, 107. guide piece, 108. water through hole, 109. rectangular groove, 1010. second elastic piece, 1011. movable rubber plate, 30. connecting box, 31. filter screen plate.
Detailed Description
The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The utility model provides a hydrology monitoring station land-based water sampling equipment, as shown in fig. 1-3, including mounting bracket 2, lifting unit 4, lifter 5, pivot 6, rotatory piece 7, install bin 8, water-collecting device 9, trigger and receive water installation 10, hoist engine 11 and tractive part 12, specifically be:
install on 1 limit of river bank mounting bracket 2, it has mounting hole 3 to open in the mounting bracket 2, be equipped with lifting unit 4 in the mounting hole 3, lifting unit 4 right side is connected with lifter 5, 5 right side downside rear of lifter is connected with pivot 6, 6 rear sides in pivot are connected with rotatory piece 7, 7 right sides in rotatory piece are connected with install bin 8, the upside is equipped with multiunit water-collecting device 9 in the install bin 8, 8 belows in the install bin are equipped with multiunit and trigger water-receiving device 10, trigger water-receiving device 10 with water-collecting device 9 connects, hoist engine 11 is installed to the upside in the mounting bracket 2, around having tractive part 12 on hoist engine 11, tractive part 12 lower extreme is connected the install bin 8 right sides.
In the specific operation of the embodiment, when a water body needs to be subjected to hydrological monitoring is sampled, the water collecting device 9 can be placed into the installation box 8, the winch 11 is started and the installation box 8 is controlled by the lifting assembly 4 to move up and down, the installation box 8 moves up and down through the lifting rod 5, the installation box 8 rotates forwards through the rotating shaft 6 due to gravity, the winch 11 discharges the traction part 12 at the moment, the installation box 8 enters the water body at a vertical position, the winch 11 can be closed at the moment, the trigger water receiving device 10 is also triggered when the installation box 8 enters the vertical state, and water enters the water collecting device 9 through the trigger water receiving device 10, so that a plurality of groups of water collecting devices 9 can collect water at different depths; after water collection is completed, the winch 11 can be started to recover the traction part 12, so that the installation box 8 rotates reversely, the trigger water receiving device 10 is separated from the trigger state when the reverse rotation starts, water collection is stopped, the installation box 8 can be controlled to move upwards through the lifting assembly 4, so that the installation box 8 ascends, when the water collection device 9 ascends to be convenient to operate, the winch 11 can be closed to enter a locking state, and the water collection device 9 can be taken out of the installation box 8 at the moment.
Further, the lifting assembly 4 may be a slide rail slider, a guide rail guide sleeve, a lead screw, a nut thereof, or other combined mechanisms with guiding functions.
In addition, the pulling member 12 may be a member having a windability such as a wire rope or a rope.
Example 2
On the basis of embodiment 1, as shown in fig. 2 to 3, the water collecting device 9 includes a screw 92, a nut 921, a connecting plate 93, a water collecting tank 95, a valve 96, a check valve 97, and a filling pipe 98, specifically:
the utility model discloses a water receiving device, including install bin 8, connecting plate 93, water collecting tank 95, check valve 97, filling pipe 98 with trigger water receiving device 10 connects, the upside of install bin 8 evenly is opened there are five rectangular holes 91, the upside evenly is equipped with five groups of screw rods 92 in the install bin 8, all have screwed nut 921 on the screw rod 92, connecting plate 93 has all been placed to the rectangular hole 91 top of install bin 8, all opened through-hole 94 about connecting plate 93, the through-hole 94 cover is in on the screw rod 92, connecting plate 93 is located nut 921 below, the connecting plate 93 downside all is connected with header tank 95, header tank 95 downside left all is connected with valve 96, the header tank 95 downside all is connected with check valve 97, the check valve 97 downside all is connected with filling pipe 98, filling pipe 98 with trigger water receiving device 10 and connect.
In the specific operation of the above embodiment, when water sampling needs to be started, the water collecting tank 95 may be placed in the installation box 8 through the rectangular hole 91, so that the through hole 94 of the connecting plate 93 is sleeved on the screw 92, and the nut 921 is screwed in, so that the filling pipe 98 is connected with the triggered water receiving device 10; when the triggered water receiving device 10 is triggered, water enters the filling pipe 98 through the triggered water receiving device 10 and flows into the water collecting tank 95 through the filling pipe 98 for storage, the water collecting tank 95 vertically distributed after the installation box 8 rotates collects water at different depths of a water body, the one-way valve 97 avoids backflow when the installation box 8 is in a horizontal state, after water collection is completed, the nut 921 can be unscrewed, the water collecting tank 95 is taken out of the installation box 8, and the valve 96 is opened to independently store and detect a water sample in the water collecting tank 95.
Example 3
On the basis of embodiment 2, as shown in fig. 2 to 4, the triggering water receiving device 10 includes a water receiving pipe 101, a guide sleeve 102, a guide rod 103, a connecting rod 104, a first elastic member 105, a guide wheel 106, a guide sheet 107, a second elastic member 1010, and a movable rubber plate 1011, specifically:
five water receiving pipes 101 are uniformly connected to the lower side of the installation box 8, the water receiving pipes 101 can extend into the filling pipe 98, the positions of the water receiving pipes 101 correspond to the positions of the filling pipe 98, guide sleeves 102 are respectively connected to the left side and the right side of the inner lower side wall of the installation box 8, guide rods 103 are connected to the guide sleeves 102 in a sliding manner, the guide rods 103 extend into and penetrate through the water receiving pipes 101, the positions of the guide rods 103, which are transmitted into the water receiving pipes 101, are of concave structures, the left end of each guide rod 103 is connected with a connecting rod 104, the right side of each connecting rod 104 is connected with a first elastic part 105, the right side of each first elastic part 105 is connected to the guide sleeve 102 on the left side, the connecting rod 104 extends out of the installation box 8, the left end of each connecting rod 104 is connected with a guide wheel 106, the lower part of the right side of the lifting rod 5 is connected with a guide sheet 107, and the periphery of each guide sheet 107 is concentric with the rotating shaft 6, the leading wheel 106 with the contact of guide piece 107, guide piece 107 is the protruding structure of downside notional limit point, lie in on the guide bar 103 it has limbers 108 to open on the left of the water receiving pipe 101, the guide bar 103 is located it has rectangular channel 109 to open both sides about the water receiving pipe 101 left side part, rectangular channel 109 in-connection has second elastic component 1010, second elastic component 1010 right side is connected with movable rubber slab 1011, movable rubber slab 1011 can block rectangular channel 109, movable rubber slab 1011 with the contact of water receiving pipe 101 left side.
In the above embodiment, during specific operation, the filling pipe 98 may be firstly sleeved in the water receiving pipe 101, when the mounting box 8 is not rotated to the vertical state, the guide rod 103 will block water from flowing through the water receiving pipe 101, when the mounting box 8 is rotated to the vertical state, the guide wheel 106 will be pushed outwards by the guide sheet 107, thereby pushing the connecting rod 104, the connecting rod 104 will push the guide rod 103, at this time, the first elastic member 105 will enter the stressed state, the guide rod 103 will make the water through hole 108 in the water receiving pipe 101, so that outside water can enter the filling pipe 98 through the water receiving pipe 101 and the water through hole 108, thereby collecting water in the water collecting box 95, and during the movement of the guide rod 103, the movable rubber plate 1011 will enter the rectangular groove 109, at this time, the second elastic member 1010 will enter the stressed state, the messenger the activity rubber slab 1011 pastes receive water pipe 101, can be in like this the limbers 108 is not completely getting into prevent the rivers from flowing out when receiving in the water pipe 101, when the install bin 8 reverses, leading wheel 106 will break away from the arch of guide piece 107, first elastic component 105 will resume from the stress state this moment to drive the guide bar 103 removal, make the limbers 108 break away from receive the position in the water pipe 101, the guide bar 103 will block again receive water pipe 101 this moment, second elastic component 1010 will also resume from the stress state this moment, makes the activity rubber slab can paste all the time receive water pipe 101.
Further, the first elastic member 105 and the second elastic member 1010 may be springs.
Further, if the water collecting device 9 has N groups, the number of the parts of the water receiving pipe 101 and the guide rod 103 located at the water receiving pipe 101 is also N groups.
Example 4
On the basis of embodiment 3, as shown in fig. 2 to 3, the apparatus further includes a connection box 30 and a filter screen plate 31, specifically:
the lower side of the installation box 8 is connected with a connection box 30, the lower side of the connection box 30 is connected with a filter screen plate 31, and the filter screen plate 31 blocks all the water receiving pipes 101.
In the above embodiment, during the specific operation, impurities such as aquatic weeds in the water body can be prevented from entering the water receiving pipe 101.
The above-mentioned embodiments are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. A land-based water body sampling device of a hydrological monitoring station is characterized by comprising a mounting frame, a lifting component, a lifting rod, a rotating shaft, a rotating block, a mounting box, a water collecting device, a triggering water receiving device, a winch and a traction part, wherein the mounting frame is mounted on the edge of a river bank, the mounting frame is internally provided with a mounting hole, a lifting component is arranged in the mounting hole, the right side of the lifting component is connected with a lifting rod, a rotating shaft is connected at the rear of the lower right side of the lifting rod, a rotating block is connected at the rear side of the rotating shaft, an installation box is connected at the right side of the rotating block, a plurality of groups of water collecting devices are arranged at the upper side in the installation box, a plurality of groups of triggering water receiving devices are arranged at the lower side of the installation box, the triggering water receiving device is connected with the water collecting device, a winch is arranged on the upper side in the mounting rack, a traction part is wound on the winch, and the lower end of the traction part is connected to the right side of the installation box;
the water collecting device comprises a screw rod, a nut, a connecting plate, a water collecting tank, a valve, a one-way valve and an injection pipe, wherein five rectangular holes are uniformly formed in the upper side of the mounting box, five groups of screw rods are uniformly arranged on the upper side in the mounting box, the nut is screwed on the screw rods, the connecting plate is placed above the rectangular holes of the mounting box, through holes are formed in the left side and the right side of the connecting plate respectively, the through holes are sleeved on the screw rods, the connecting plate is positioned below the nut, the water collecting tank is connected to the lower side of the connecting plate, the valve is connected to the left side of the lower side of the water collecting tank, the one-way valve is connected to the lower side of the water collecting tank, the injection pipe is connected with the trigger water receiving device;
the trigger water receiving device comprises water receiving pipes, guide sleeves, guide rods, connecting rods, a first elastic part, guide wheels, guide pieces, a second elastic part and a movable rubber plate, five water receiving pipes are uniformly connected to the lower side of the installation box, the water receiving pipes can extend into the filling pipes, the positions of the water receiving pipes correspond to the positions of the filling pipes, the left side and the right side of the lower side wall in the installation box are respectively connected with the guide sleeves, the guide rods are connected in the guide sleeves in a sliding manner, the guide rods extend into and penetrate through the water receiving pipes, the positions of the guide rods, which are transmitted into the water receiving pipes, are of an inwards concave structure, the left ends of the guide rods are connected with the connecting rods, the right sides of the connecting rods are connected with the first elastic parts, the right sides of the first elastic parts are connected on the guide sleeves on the left side, the connecting rods extend out of the installation box, and the left ends of the connecting rods are connected with the guide wheels, the lifter right side below is connected with the guide piece, guide piece periphery with the pivot is concentric, the leading wheel with the guide piece contact, the guide piece is downside notional point protruding structure, lie in on the guide bar it has the limbers to open in the left of the water receiving pipe, the guide bar is located it has the rectangular channel to open by both sides about the water receiving pipe left side part, the rectangular channel in-connection has the second elastic component, second elastic component right side is connected with the activity rubber slab, the activity rubber slab can block the rectangular channel, the activity rubber slab with the contact of water receiving pipe left side.
2. The land-based water sampling device of claim 1, wherein the water collecting devices are N groups, and the number of the parts of the water receiving pipe and the guide rod which are positioned in the water receiving pipe part is N groups.
3. The land-based water body sampling equipment of the hydrological monitoring station is characterized by further comprising a connecting box and a filter screen plate, wherein the connecting box is connected to the lower side of the mounting box, the filter screen plate is connected to the lower side of the connecting box, and the filter screen plate blocks all the water receiving pipes; thus, aquatic weed impurities in the water body can be prevented from entering the water receiving pipe.
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| CN203490102U (en) * | 2013-09-30 | 2014-03-19 | 潍坊金信达生物化工有限公司 | Liquid sampler for any layer of biodiesel tank |
| CN204330408U (en) * | 2015-01-26 | 2015-05-13 | 广东梅雁吉祥实业投资股份有限公司 | Wastewater treatment sampling apparatus |
| CN206208600U (en) * | 2016-09-30 | 2017-05-31 | 北京中自宏毅科技发展有限公司 | A kind of fixed-point water quality sampler |
| CN106959223A (en) * | 2017-03-07 | 2017-07-18 | 无锡中科水质环境技术有限公司 | A kind of automatic water station water acquisition sampler |
| CN106908279A (en) * | 2017-04-11 | 2017-06-30 | 尹康康 | A kind of environmental monitoring water sampler |
| CN206656880U (en) * | 2017-04-20 | 2017-11-21 | 四川建筑职业技术学院 | A kind of plug flat lid formula sleeve sampler for the sampling of drilled pile mud |
| CN206556936U (en) * | 2017-07-17 | 2017-10-13 | 江苏开放大学 | A kind of water sampler |
| CN107290184A (en) * | 2017-08-03 | 2017-10-24 | 深圳柒祁祺商贸有限公司 | A kind of water conservancy scientific research sediment load sampling device |
| CN107436251A (en) * | 2017-09-12 | 2017-12-05 | 李跃华 | A kind of liquid food different height sampling device |
| CN108152471A (en) * | 2017-12-08 | 2018-06-12 | 台州智子科技有限公司 | A kind of automated hierarchical sampling and the water monitoring device of multiple spot detection |
| CN207850750U (en) * | 2018-03-15 | 2018-09-11 | 李华 | A kind of portable water quality detection sampling apparatus |
| CN109283022A (en) * | 2018-09-26 | 2019-01-29 | 南京河海环境研究院有限公司 | A kind of water sampling unit for multi-point sampling |
| CN208833544U (en) * | 2018-09-26 | 2019-05-07 | 佛山市二加环保科技有限公司 | Quality of water environment monitoring automation uses equipment |
| CN110174284A (en) * | 2019-07-03 | 2019-08-27 | 北京东方安杰科技有限公司 | A kind of water body columnar sampler |
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