CN115032034B - Water source gradient sampling device of deep water riverbed - Google Patents
Water source gradient sampling device of deep water riverbed Download PDFInfo
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- CN115032034B CN115032034B CN202210958099.0A CN202210958099A CN115032034B CN 115032034 B CN115032034 B CN 115032034B CN 202210958099 A CN202210958099 A CN 202210958099A CN 115032034 B CN115032034 B CN 115032034B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 238000005070 sampling Methods 0.000 title claims abstract description 43
- 238000005086 pumping Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to the technical field of water quality sampling, in particular to a water source gradient sampling device of a deep water riverbed. A gradient sampling device for water source of deep water river bed comprises a supporting plate, a water suction pipe, a plurality of water inlet pipes, a connecting column, a plurality of plugs, a water suction pump, a plurality of adjusting mechanisms and a driving mechanism. The suction pipe is vertically arranged on the supporting plate, the plurality of water inlet pipes are horizontally arranged on the peripheral wall of the suction pipe, and the peripheral wall of the connecting column is provided with a plurality of first ejector rods and a plurality of connecting plates. Each adjusting mechanism comprises a plurality of baffles, a second connecting rod, a connecting ring, a second ejector rod, a stop block and a third ejector rod. The driving mechanism is used for driving the water pumping pipe to rotate. The application provides a water source gradient sampling device of a deep water riverbed, which aims to solve the problems that the existing sampling detection device needs a longer screw rod, the cost of the screw rod is higher, the screw rod is influenced by impurities in water to easily influence the cooperation, the device is not stable to operate, a filter screen of a water inlet is not provided with a cleaning mechanism, and the screw rod is easy to block and influences the sampling effect.
Description
Technical Field
The application relates to the technical field of water quality sampling, in particular to a water source gradient sampling device of a deep water riverbed.
Background
The water resource is widely used by human beings in production and living activities, and is widely applied to agriculture, industry and life, power generation, water transportation, aquatic products, travel, environmental improvement and the like. Among the various applications, there are water consumption, non-consumption or very small consumption, and various requirements for water quality. In the scientific research fields of hydrologic water resource, water environment protection, geochemistry and the like, water sample acquisition is indispensable.
The application number 202011037480.0 provides an ecological lake water quality environment monitoring device, a water pumping pipe is fixedly arranged on a base in a penetrating mode, a screw rod is arranged in the water pumping pipe in an inserted mode, a sliding block is sleeved on the screw rod in a screwed mode, a plurality of water inlet pipes are fixedly arranged on the right side wall of the water pumping pipe in a penetrating mode from top to bottom in an equidistant mode, a connecting rod is arranged in the water inlet pipe in an inserted mode, a plug is fixedly arranged at the right end of the connecting rod, a stop block is fixedly arranged at the left end of the connecting rod, a spring is sleeved on the connecting rod, an arc-shaped plate is fixedly arranged on the right side wall of the sliding block, and the arc-shaped plate is movably propped against the stop block; a water pump is fixedly arranged on the base, and the inlet end of the water pump is inserted and fixed at the upper end of the side wall of the water pumping pipe; the pipeline is inserted in a river water area, the water inlet pipes are arranged at equal intervals up and down, the controllable sealing device is arranged on the water inlet pipes, and then when water taking is needed, the water inlet pipes with specified depth are controlled to be opened, and the water body in the water area with the depth can be directly extracted for monitoring.
However, in the document of the application, firstly, a longer lead screw is needed, the cost of the lead screw is higher, the lead screw is easily influenced by impurities in water, the operation of the device is not stable, a filter screen of a water inlet is not provided with a cleaning mechanism, and the lead screw is easily blocked, so that the sampling effect is influenced.
Disclosure of Invention
The application provides a water source gradient sampling device of a deep water riverbed, which aims to solve the problems that the existing sampling detection device needs a longer screw rod, the cost of the screw rod is higher, the screw rod is influenced by impurities in water to easily influence the cooperation, the device is not stable to operate, a filter screen of a water inlet is not provided with a cleaning mechanism, and the screw rod is easy to block and influences the sampling effect.
The application relates to a water source gradient sampling device of a deep water riverbed, which adopts the following technical scheme: a gradient sampling device for water source of deep water river bed comprises a supporting plate, a water suction pipe, a plurality of water inlet pipes, a connecting column, a plurality of plugs, a water suction pump, a plurality of adjusting mechanisms and a driving mechanism.
The water pumping pipe is vertically arranged on the supporting plate and can rotate relative to the supporting plate. The water inlet pipes are horizontally arranged on the peripheral wall of the water suction pipe and are spirally distributed, and a filter screen is arranged at one end of each water inlet pipe. The connecting column is vertically arranged in the water pumping pipe, a plurality of first ejector rods and a plurality of connecting plates are arranged on the peripheral wall of the connecting column, the plurality of first ejector rods are in spiral distribution, and each connecting plate is located under each first ejector rod. The plug comprises a blocking block and a first connecting rod, the first connecting rod is horizontally arranged in the water inlet pipe and can move along the axial direction of the water inlet pipe, the blocking block is arranged at one end of the water inlet pipe, and in an initial state, the blocking block blocks the water inlet pipe. One end of the first connecting rod is used for propping against the first ejector rod. The suction pump is fixedly arranged on the supporting plate, and the inlet end of the suction pump is inserted and fixed at the upper end of the suction pipe.
Each adjusting mechanism comprises a plurality of baffles, a second connecting rod, a connecting ring, a second ejector rod, a stop block and a third ejector rod. One end of each baffle is hinged to the inner peripheral wall of the water pumping pipe, and the other end of each baffle can prop against the outer peripheral wall of the connecting column. The second connecting rod is obliquely arranged, and one end of the second connecting rod is fixedly arranged on the inner peripheral wall of the water pumping pipe. The connecting ring is rotatably sleeved on the connecting column and can slide up and down along the axial direction of the connecting column, and a plurality of third connecting rods are horizontally arranged along the radial direction of the connecting ring. The second ejector rod is provided with a first through hole and a second through hole, the second ejector rod is slidably sleeved on the third connecting rod through the first through hole, and the second ejector rod is slidably sleeved on the third connecting rod through the second through hole. In the initial state, the second ejector rod is positioned at one end of the third connecting rod, which is far away from the connecting column, and the lower end of the second ejector rod is propped against the upper surface of the baffle plate. The stop block is fixedly arranged on the connecting plate. The third ejector rod is vertically arranged, the upper end of the third ejector rod is fixedly connected to the connecting ring, and the lower end of the third ejector rod abuts against the upper end of the stop block. The driving mechanism is used for driving the water pumping pipe to rotate.
Further, the drive mechanism includes a first gear and a second gear. The first gear is sleeved on the support column and can rotate along the axis of the first gear. The second gear is sleeved on the pumping pipe and fixedly connected with the pumping pipe, and is meshed with the first gear.
Further, the water source gradient sampling device of the deep water riverbed further comprises a support column, the support column is vertically arranged, the upper end of the support column is fixedly connected to the lower end of the support column of the support plate, and the support column is inserted and fixed on the riverbed.
Further, the adjusting mechanism also comprises a scroll spring which is arranged at the hinge joint with the water pumping pipe.
Further, a chute is arranged on the inner peripheral wall of the water inlet pipe, and the water source gradient sampling device of the deep water riverbed further comprises a pressure spring, a lug is arranged on the first connecting rod and can be slidably arranged in the chute. One end of the pressure spring is propped against the blocking block, and the other end of the pressure spring is propped against the protruding block.
Further, the adjusting mechanism further comprises a second spring, one end of the second spring is fixedly connected to the second ejector rod, and the other end of the second spring is fixedly connected to the inner peripheral wall of the water pumping pipe.
Further, the second connecting rod is obliquely arranged, and one end of the second connecting rod, which is close to the connecting column, is higher than one end of the second connecting rod, which is close to the water pumping pipe.
Further, the water source gradient sampling device of the deep water riverbed further comprises a water storage tank, the water storage tank is fixedly arranged on the supporting plate, the outlet end of the water pump is arranged above the water storage tank, a water drainage groove is arranged on the side wall of the water storage tank in a penetrating mode, and the water drainage groove is arranged in a downward inclined mode.
Further, the water source gradient sampling device of the deep water riverbed further comprises a connecting block, the connecting block is fixedly sleeved on the connecting column, and the water inlet end of the water suction pump is arranged on the connecting block.
The beneficial effects of the application are as follows: according to the water source gradient sampling device for the deep water riverbed, the screw rod with higher cost is omitted by using the rotation of the shell, the blocking block is more durable for the screw rod, and the blocking block is not easy to block by impurities in water relative to the screw rod, so that the device is more stable in operation.
On the one hand, the water flow during rotation of the water suction pipe can clean the filter screen, on the other hand, the baffle plate can stir the water flow to a certain extent during rotation under the action of the spiral spring, the filter screen can be cleaned, and the filter screen is cleaned, so that the sampling effect is better.
The corresponding degree of depth water inlet is opened with the shell rotation certain angle, and the direction of water inlet is the same, can not lead to because the influence of rivers direction leads to the sample to receive the influence for the sample is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a gradient sampling device for water source of a deep water riverbed according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of a water source gradient sampling device for deep water riverbed according to the present application;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic view of a portion of a gradient sampling device for a water source of a deep water riverbed according to an embodiment of the present application;
FIG. 6 is an enlarged view at C in FIG. 5;
FIG. 7 is a front view showing a partial structure of an embodiment of a gradient sampling apparatus for water source of deep water riverbed according to the present application;
fig. 8 is an enlarged view of D in fig. 7.
In the figure: 110. a support plate; 120. a support column; 130. a water pumping pipe; 131. a water inlet pipe; 132. a second link; 140. a filter screen; 151. a first gear; 152. A second gear; 160. a connecting column; 161. a first ejector rod; 162. a connecting plate; 163. a stop block; 170. a water pump; 180. a reservoir; 190. a connecting block; 210. a baffle; 220. a plug; 230. a connecting ring; 231. a third link; 232. a third ejector rod; 250. and a second ejector rod.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
An embodiment of a gradient sampling device for a water source of a deep water river bed according to the present application, as shown in fig. 1 to 8, comprises a support plate 110, a suction pipe 130, a plurality of water inlet pipes 131, a connecting column 160, a plurality of plugs 220, a suction pump 170, a plurality of adjusting mechanisms and a driving mechanism.
The pumping pipe 130 is vertically disposed on the support plate 110 and is rotatable relative to the support plate 110. The water inlet pipes 131 are horizontally arranged on the peripheral wall of the water pumping pipe 130, the water inlet pipes 131 are spirally distributed, and a filter screen 140 is arranged at one end of the water inlet pipe 131. The connecting column 160 is vertically arranged in the water pumping pipe 130, a plurality of first ejector rods 161 and a plurality of connecting plates 162 are arranged on the peripheral wall of the connecting column 160, the plurality of first ejector rods 161 are in spiral distribution, the plurality of connecting plates 162 are in spiral distribution, and each connecting plate 162 is located right below each first ejector rod 161. The plug 220 comprises a blocking block and a first connecting rod, the first connecting rod is horizontally arranged in the water inlet pipe 131 and can move along the axial direction of the water inlet pipe 131, the blocking block is arranged at one end of the water inlet pipe 131, and in an initial state, the blocking block blocks the water inlet pipe 131. One end of the first link is used to abut against the first push rod 161. The water pump 170 is fixedly arranged on the supporting plate 110, and the inlet end of the water pump 170 is inserted and fixed at the upper end of the water pumping pipe 130.
Each of the adjustment mechanisms includes a plurality of baffles 210, a second link 132, a connecting ring 230, a second ram 250, a stop 163, and a third ram 232. One end of each baffle 210 is hinged to the inner peripheral wall of the water pumping pipe 130, and a rubber block is fixedly arranged at the other end of the baffle 210 and can prop against the outer peripheral wall of the connecting column 160. The second link 132 is disposed obliquely, and one end of the second link 132 is fixedly disposed on the inner circumferential wall of the pumping pipe 130. The connection ring 230 is rotatably sleeved on the connection post 160, and can slide up and down along the axis of the connection post 160. A plurality of third links 231 are horizontally disposed in the radial direction of the connection ring 230. The second ejector rod 250 is provided with a first through hole and a second through hole, the second ejector rod 250 is slidably sleeved on the third connecting rod 231 through the first through hole, and the second ejector rod 250 is slidably sleeved on the third connecting rod 231 through the second through hole. In the initial state, the second ejector 250 is located at one end of the third link 231 away from the connecting post 160, and the lower end of the second ejector 250 abuts against the upper surface of the baffle 210. The stopper 163 is fixedly disposed on the connecting plate 162. The third ejector pin 232 is vertically arranged, the upper end of the third ejector pin 232 is fixedly connected to the connecting ring 230, the lower end of the third ejector pin 232 abuts against the upper end of the stop block 163, and the perimeter of the first ejector pin 161 is larger than that of the stop block 163. The driving mechanism is used for driving the water pumping pipe 130 to rotate.
In the present embodiment, as shown in fig. 1, the driving mechanism includes a first gear 151 and a second gear 152. The first gear 151 is sleeved on the support column 120 and can rotate along its own axis. The second gear 152 is sleeved on the pumping pipe 130 and is fixedly connected with the pumping pipe 130, and the second gear 152 is meshed with the first gear 151. The external motor drives the first gear 151 to rotate and drives the second gear 152 and the pumping pipe 130 to rotate.
In this embodiment, as shown in fig. 1, a water source gradient sampling device for a deep water riverbed further includes a support column 120, where the support column 120 is vertically disposed, and the upper end of the support column 120 is fixedly connected to the lower end of the support column 120 of the support plate 110, and is inserted and fixed on the riverbed.
In this embodiment, the adjustment mechanism further includes a spiral spring disposed at the hinge with the water suction pipe 130. When the second push rod 250 does not have pressure on the barrier 210, the plurality of barriers 210 are closed by the spiral springs, so that the rubber blocks on the barriers 210 are abutted against the outer circumferential wall of the connection column 160.
In this embodiment, as shown in fig. 4, a chute is disposed on an inner peripheral wall of the water inlet pipe 131, and a gradient sampling device for water source of a deep water riverbed further includes a compression spring, a bump is disposed on the first connecting rod, and the bump is slidably disposed in the chute. One end of the pressure spring is propped against the blocking block, and the other end of the pressure spring is propped against the protruding block. After the sampling is completed, the water pumping pipe 130 is rotated, so that when the first connecting rod and the first ejector rod 161 are separated from contact, the blocking block resets under the action of the pressure spring, and the water inlet pipe 131 is blocked again.
In this embodiment, the adjusting mechanism further includes a second spring, one end of the second spring is fixedly connected to the second ejector 250, and the other end of the second spring is fixedly connected to the inner peripheral wall of the pumping pipe 130. When the third push rod 232 and the stopper 163 are out of contact, the second push rod 250 is restored under the action of the spring, and the connection ring 230 is restored under the action of gravity and the second push rod 250.
In this embodiment, as shown in fig. 3, the second link 132 is disposed obliquely, and one end of the second link 132 near the connection post 160 is higher than one end near the pumping pipe 130. The third ejector rod 232 contacts with the stop block 163, and the third ejector rod 232 is pushed by the stop block 163 to move upwards and drive the connecting ring 230 to move upwards. Since the second push rod 250 is slidably sleeved on the third link 231 through the first through hole. The upward movement of the connection ring 230 drives the second push rod 250 to move upward and drives the second push rod 250 to slide along the second link 132 toward the direction approaching the connection post 160.
In this embodiment, as shown in fig. 1, a gradient sampling device for water source of deep water river bed further includes a water reservoir 180, the water reservoir 180 is fixedly disposed on the supporting plate 110, the outlet end of the water pump 170 is disposed above the water reservoir 180, and a water drain groove is disposed on the sidewall of the water reservoir 180 in a penetrating manner, and is disposed in a downward inclination manner. When pumping water through the pumping pipe 130, residual wastewater in the pumping pipe 130 needs to be pumped out, and at the moment, the wastewater is sent into the reservoir 180 and is slowly discharged through the water discharge tank, so that layered water mixing caused by rapid discharge of the wastewater into a water area is prevented, and the purity of a pumped water sample is ensured.
In this embodiment, as shown in fig. 1, a water source gradient sampling device for a deep water riverbed further includes a connection block 190, the connection block 190 is fixedly sleeved on the connection column 160, and a water inlet end of the water pump 170 is disposed on the connection block 190. The connection block 190 blocks the pumping pipe 130, and when the pumping pipe 130 rotates, the connection block 190 does not rotate.
The working process comprises the following steps: in the initial state, the second jack 250 is at an end of the third link 231 remote from the connection post 160. The baffle 210 is in an opened state because the upper surface of the baffle 210 abuts against the second jack 250. The lower end of the support column 120 is fixed at the bottom end of the water sample.
According to the required sampling depth, an external motor is started, and drives the first gear 151 to rotate and drives the second gear 152 and the water pumping pipe 130 to rotate. When the first push rod 161 at the required sampling depth rotates to contact with the corresponding first connecting rod, the first connecting rod is pushed by the first push rod 161 to move towards the direction away from the connecting column 160, so as to drive the blocking block to move, and further, the gap between the blocking block and the water inlet pipe 131 is opened, so that water can enter the water pumping pipe 130. Meanwhile, the third ejector rod 232 contacts with the stop block 163, and the third ejector rod 232 is pushed by the stop block 163 to move upwards and drive the connecting ring 230 to move upwards. Since the second push rod 250 is slidably sleeved on the third link 231 through the first through hole. The upward movement of the connection ring 230 drives the second push rod 250 to move upward and drives the second push rod 250 to slide along the second link 132 toward the direction approaching the connection post 160. At this time, the second push rod 250 does not have pressure on the barrier 210, and the plurality of barriers 210 are closed by the spiral springs, so that the rubber blocks on the barriers 210 are abutted against the outer circumferential wall of the connection column 160. At this time, the water pump 170 is controlled to start pumping water from the upper layer of the water pumping pipe 130, water of a required sampling depth is fed from the water inlet pipe 131, and when a certain amount of water is to be pumped, a certain amount of water can be sampled when all the baffles 210 are water samples at the position.
After the sampling is completed, the water pumping pipe 130 is rotated, so that when the first connecting rod and the first ejector rod 161 are separated from contact, the blocking block resets under the action of the pressure spring, and the water inlet pipe 131 is blocked again. When the third ejector pin 232 and the stopper 163 are out of contact, the second ejector pin 250 moves downward to reset under the action of the spring, and the connection ring 230 moves downward to reset under the action of self gravity and the second ejector pin 250.
On the one hand, the water flow during the rotation of the water pumping pipe 130 can clean the filter screen 140, and on the other hand, the baffle 210 generates a certain stirring to the water flow during the rotation under the action of the spiral spring, so that the filter screen 140 can be cleaned.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.
Claims (6)
1. A water source gradient sampling device of deep water riverbed, its characterized in that:
comprises a supporting plate, a water suction pipe, a plurality of water inlet pipes, a connecting column, a plurality of plugs, a water suction pump, a plurality of adjusting mechanisms and a driving mechanism; the water pumping pipe is vertically arranged on the supporting plate and can rotate relative to the supporting plate; the water inlet pipes are horizontally arranged on the peripheral wall of the water suction pipe and are spirally distributed, and a filter screen is arranged at one end of each water inlet pipe; the connecting column is vertically arranged in the water pumping pipe, a plurality of first ejector rods and a plurality of connecting plates are arranged on the peripheral wall of the connecting column, the plurality of first ejector rods are spirally distributed, and each connecting plate is positioned under each first ejector rod; the plug comprises a blocking block and a first connecting rod, the first connecting rod is horizontally arranged in the water inlet pipe and can move along the axial direction of the water inlet pipe, the blocking block is arranged at one end of the water inlet pipe, and in an initial state, the blocking block blocks the water inlet pipe; one end of the first connecting rod is used for propping against the first ejector rod; the water pump is fixedly arranged on the supporting plate, and the inlet end of the water pump is inserted and fixed at the upper end of the water pumping pipe;
each adjusting mechanism comprises a plurality of baffles, a second connecting rod, a connecting ring, a second ejector rod, a stop block and a third ejector rod; one end of each baffle is hinged to the inner peripheral wall of the water pumping pipe, and the other end of each baffle can prop against the outer peripheral wall of the connecting column; the second connecting rod is obliquely arranged, and one end of the second connecting rod is fixedly arranged on the inner peripheral wall of the water pumping pipe; the connecting ring is rotatably sleeved on the connecting column and can slide up and down along the axial direction of the connecting column, and a plurality of third connecting rods are horizontally arranged along the radial direction of the connecting ring; the second ejector rod is provided with a first through hole and a second through hole, the second ejector rod is slidably sleeved on the third connecting rod through the first through hole, and the second ejector rod is slidably sleeved on the third connecting rod through the second through hole; in the initial state, the second ejector rod is positioned at one end of the third connecting rod, which is far away from the connecting column, and the lower end of the second ejector rod is propped against the upper surface of the baffle plate; the stop block is fixedly arranged on the connecting plate; the third ejector rod is vertically arranged, the upper end of the third ejector rod is fixedly connected to the connecting ring, and the lower end of the third ejector rod abuts against the upper end of the stop block;
the driving mechanism is used for driving the water pumping pipe to rotate, the adjusting mechanism further comprises a scroll spring, the scroll spring is arranged at a hinge joint position with the water pumping pipe, the adjusting mechanism further comprises a second spring, one end of the second spring is fixedly connected with the second ejector rod, the other end of the second spring is fixedly connected with the inner peripheral wall of the water pumping pipe, the second connecting rod is obliquely arranged, and one end of the second connecting rod, which is close to the connecting column, is higher than one end, which is close to the water pumping pipe;
when the first ejector rod at the required sampling depth is rotated to be in contact with the corresponding first connecting rod, the first connecting rod is pushed by the first ejector rod to move towards the direction away from the connecting column, the blocking block is driven to move, a gap between the blocking block and the water inlet pipe is opened, water can enter the water pumping pipe, meanwhile, the third ejector rod is in contact with the stop block, the third ejector rod is pushed to move upwards by the stop block and drives the connecting ring to move upwards, as the second ejector rod is slidably sleeved on the third connecting rod through the first through hole, the connecting ring moves upwards to drive the second ejector rod to move upwards and drive the second ejector rod to slide along the second connecting rod towards the direction close to the connecting column, at the moment, the second ejector rod does not have pressure on the baffle, a plurality of baffles are closed under the action of the scroll springs, the rubber blocks on the baffle are abutted against the peripheral wall of the connecting column, and at the moment, the water pumping pump is controlled to start pumping at the upper layer of the water pumping pipe.
2. The deep water riverbed water source gradient sampling device according to claim 1, wherein:
the driving mechanism comprises a first gear and a second gear; the first gear is sleeved on the support column and can rotate along the axis of the first gear; the second gear is sleeved on the pumping pipe and fixedly connected with the pumping pipe, and is meshed with the first gear.
3. The deep water riverbed water source gradient sampling device according to claim 1, wherein:
still include the support column, the vertical setting of support column, the upper end fixed connection of support column is inserted in the lower extreme of backup pad support column and is established fixedly on the riverbed.
4. The deep water riverbed water source gradient sampling device according to claim 1, wherein:
the inner peripheral wall of the water inlet pipe is provided with a chute and also comprises a pressure spring, the first connecting rod is provided with a lug, and the lug is slidably arranged in the chute; one end of the pressure spring is propped against the blocking block, and the other end of the pressure spring is propped against the protruding block.
5. The deep water riverbed water source gradient sampling device according to claim 1, wherein:
still include the cistern, the cistern is fixed to be set up in the backup pad, and the exit end setting of pump is in the top of cistern, wears to be equipped with the water drain groove on the lateral wall of cistern, and the water drain groove downward sloping sets up.
6. The deep water riverbed water source gradient sampling device according to claim 1, wherein:
still include the connecting block, the spliced pole is located to the fixed cover of connecting block, and the water inlet end of suction pump sets up on the connecting block.
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