CN115575280B - Water flow sand content sampling and detecting device for water conservancy survey - Google Patents
Water flow sand content sampling and detecting device for water conservancy survey Download PDFInfo
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- CN115575280B CN115575280B CN202211553318.3A CN202211553318A CN115575280B CN 115575280 B CN115575280 B CN 115575280B CN 202211553318 A CN202211553318 A CN 202211553318A CN 115575280 B CN115575280 B CN 115575280B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000004576 sand Substances 0.000 title claims abstract description 60
- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 66
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005303 weighing Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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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
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N2015/0662—Comparing before/after passage through filter
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Abstract
The invention discloses a water flow sand content sampling and detecting device for water conservancy surveying, and relates to the technical field of water conservancy surveying. The lifting frame, the movable sealing plate and the filter plate are driven to ascend through the electric telescopic rod, water flow is sucked into the main body, after the lifting frame and the movable sealing plate ascend to the top end of the interior of the main body, the bottom plate ascends to be in contact with the bottom of the main body and is closed, when detection is conducted, the lifting frame, the movable sealing plate and the filter plate descend to compress the water flow, the water flow penetrates through the filter plate to jack up the movable sealing plate under the action of pressure, the water flow filtered by the filter plate flows to the top of the movable sealing plate, meanwhile, the first one-way valve is in contact with the second one-way valve to discharge the water flow out of the main body, and then sand is dried through the heating wire in the bottom plate.
Description
Technical Field
The invention relates to the technical field of water conservancy surveying, in particular to a water flow sand content sampling and detecting device for water conservancy surveying.
Background
The water conservancy survey comprises a project for detecting the sand content of water flow in a water area, and the water conservancy survey comprises the steps of surveying, engineering geological survey, underground water resource survey, soil survey of an irrigation area and the like, wherein the survey is carried out on the river treatment, water resource development, utilization and protection, and the task is to investigate and research the nature, the action and the internal rule of the relevant natural phenomenon in a planned and developed river basin or area, evaluate and predict the possible mutual influence and the various problems caused by the water conservancy facilities and the natural environment, and provide basic data and scientific basis for optimizing the planning, design, construction and operation of the water conservancy project.
China is a country of a sandy river, the problem of silt is more prominent, the measurement of the silt content of a water body is an important problem in the aspects of hydraulic and hydroelectric engineering construction, hydrological observation and forecast, soil erosion research, water and soil erosion treatment and the like, wherein a drying method is a method which is most widely applied to measure the silt concentration, has simple equipment, is easy to implement and has higher precision, and is often used as a standard for evaluating other methods.
Traditionally, a sampling, drying and weighing method is adopted for measuring the sand content, the method is complex in operation process and high in labor intensity, and after sand in a water sample is precipitated, the manual separation operation of the precipitated sand and the water sample is large in error, so that the detection result of the sand content of the water flow is not accurate enough.
Disclosure of Invention
Based on the above, the invention aims to provide a water flow sand content sampling and detecting device for water conservancy surveying, and the device is used for solving the technical problems that the operation process of the method for sampling, drying and weighing is complicated and the labor intensity is high in the prior art, and the separation operation error of the settled sand and the water sample is large due to manual operation after the sand in the water sample is settled, so that the water flow sand content detection result is not accurate enough.
In order to achieve the purpose, the invention provides the following technical scheme: a water flow sand content sampling and detecting device for water conservancy surveying comprises a main body, wherein an electric telescopic rod with a downward output end is fixedly arranged in the main body, a lifting frame is fixedly arranged at the tail end of the output end of the electric telescopic rod, a fixed partition plate positioned at the bottom of a sliding plate is fixedly arranged in the main body, and a control plate and a battery block are sequentially fixed above an electromagnet in the main body;
the top of the lifting frame is movably connected with a movable sealing plate matched with the lifting frame, the bottom of the lifting frame is fixedly provided with a filter plate, the bottom of the main body is slidably connected with a bottom plate matched with the lifting frame, the top of the bottom plate is uniformly and fixedly provided with connecting rods which are positioned in the main body and slidably connected with the bottom of the main body, the top of the main body is slidably connected with a sliding plate fixed with a plurality of groups of connecting rods, the bottom of the sliding plate is uniformly and fixedly provided with a plurality of groups of ejector rods, the top of the sliding plate is fixedly provided with an iron ring, an electromagnet positioned above the iron ring is fixed in the main body, and the sliding plate and the plurality of groups of connecting rods are fixedly connected through a connecting plate;
a drain pipe is arranged in the tail end of the electric telescopic rod, a drain inclined pipe with an opening positioned above the movable sealing plate is obliquely arranged at the top of the drain pipe, a first one-way valve is arranged at the bottom end in the drain pipe, a matching cylinder is slidably connected at the central position of the top of the bottom plate, a second one-way valve matched with the first one-way valve is fixed at the central position of the top of the matching cylinder, a first valve core is elastically connected in the first one-way valve, an ejector pin is fixed at the central position of the bottom of the first valve core, a first magnet positioned in the first valve core is fixed at the bottom end in the first one-way valve, a second valve core is elastically connected at the bottom end in the second one-way valve, a second magnet corresponding to the first magnet is fixed at the top of the second valve core, the first magnet is fixedly connected with the first one-way valve through a support frame, the first one-way valve is elastically connected with the first valve core through a first spring, the second one-way valve is elastically connected with the second valve core through a second spring, a sealing matching ring is fixed at the bottom of the output end of the electric telescopic rod, and a matching groove matched with the sealing matching ring is formed at the top of the matching cylinder;
the heating wire is arranged inside the bottom plate, a connector matched with the heating wire is arranged on one side of the bottom plate, and a wiring board matched with the connector is arranged on one side of the main body.
Through adopting above-mentioned technical scheme, through placing into the inside of the rivers that need take a sample with the main part bottom, drive the crane through electric telescopic handle, movable sealing plate and filter rise, rivers are inhaled inside the main part, rise to the inside top of main part after crane and movable sealing plate, the movable sealing plate top upwards extrudees the multiunit ejector pin, make the sliding plate drive multiunit connecting rod and rise, and then make the bottom plate rise and contact the closure with the main part bottom, thereby accomplish the sample to rivers, when examining time measuring, electric telescopic handle drives the crane, movable sealing plate and filter descend, compress rivers, rivers see through the filter with movable sealing plate jack-up under the effect of pressure this moment, make to produce certain interval between movable sealing plate and the crane, and then flow to movable sealing plate's top through the filterable rivers of filter, along with the continuation decline of crane, rivers all flow to movable sealing plate top below the filter, meanwhile, first check valve and second check valve contact, and then make the rivers at movable sealing plate top pass the drainage pipe in proper order, the drain pipe, first check valve, the second check valve, bellows and the drain outside the bottom pipe, then carry out the sand can be dried to the operation of the stoving sand, above-mentioned rivers that can carry out the sand calculation.
The invention is further set that a fixed block is fixed at the bottom end in the bottom plate, the fixed block is elastically connected with the matching cylinder through a matching spring, a drainage bottom pipe is fixed in the fixed block, and the drainage bottom pipe is connected with the second one-way valve through a corrugated pipe.
Through adopting above-mentioned technical scheme, because different waters rivers sand content is different, and then at the crane, movable sealing plate and filter carry out the filtration compression back to the rivers of absorption, carry out the drainage operation after first check valve and second check valve contact each other, if still need the crane whole decline to filter the compression this moment, then, whole compressing the cooperation spring after first check valve and the contact of second check valve, and then reduce the height of second check valve and a cooperation section of thick bamboo, and then the different sand content's of adaptation that can be better rivers filter the compression, adaptability is better, it is comparatively convenient to operate.
The invention is further arranged in that a plurality of groups of guide rods extending into the lifting frame are uniformly fixed at the edge position of the bottom of the movable sealing plate, a lifting cylinder is fixed between the top of the guide rods and the movable sealing plate, a return spring positioned at the outer side of the guide rods is arranged in the lifting cylinder, and the bottom and the top of the return spring are respectively and fixedly connected with the lifting frame and the movable sealing plate.
Through adopting above-mentioned technical scheme, when the crane rose, reset spring made movable sealing plate and crane closely laminate, when descending, multiunit reset spring's total elasticity was less than the pressure of compression rivers, and then made rivers flow to movable sealing plate top, and the rivers filter and accomplish the back, and reset spring can be sealed once more to movable sealing plate, avoids rivers reverse flow to movable sealing plate's below.
The invention is further provided with hoisting plates fixedly arranged at four corners of the top of the main body, and hoisting holes are formed in the hoisting plates.
By adopting the technical scheme, the sand-containing water flow weighing device can be integrally hung under external weighing equipment through the hanging plate, after the water flow is completely sucked, the weight of the whole body is calculated through the external weighing equipment, and after the filtered water flow is emptied and the sand is dried, the sand-containing dried sand is integrally weighed through the external weighing equipment, so that the sand content of the water flow can be calculated, the whole operation is convenient, and the sand content is convenient and accurate to calculate.
In summary, the invention mainly has the following beneficial effects:
1. the bottom of the main body is placed into a water flow to be sampled, the lifting frame, the movable sealing plate and the filter plate are driven to ascend through the electric telescopic rod, the water flow is sucked into the main body, when the lifting frame and the movable sealing plate ascend to the top end of the interior of the main body, the top of the movable sealing plate extrudes a plurality of groups of ejector rods upwards, the sliding plate drives a plurality of groups of connecting rods to ascend, and further the bottom plate ascends to be in contact with the bottom of the main body and closed, so that the water flow is sampled;
2. when a first one-way valve contacts with a second one-way valve, a sealing matching ring and a matching groove are inserted and sealed, then a first magnet in the first one-way valve attracts a second magnet in the second one-way valve through magnetic force, and the second magnet drives a second valve core and compresses a second spring to rise, so that the second one-way valve is opened;
3. after the filtered water flow is drained and the sand is dried, the sand content of the water flow can be calculated only by calculating the weight of the dried sand due to the fixed volume of the water flow sucked by the main body, the sand-containing water flow-drying device can also be integrally hung under an external weighing device through a hanging plate, after the water flow is completely sucked, the overall weight is calculated through the external weighing device, after the filtered water flow is drained and the sand is dried, the sand-containing water flow-drying device is integrally weighed through the external weighing device, and therefore the sand content of the water flow can also be calculated, the overall operation is convenient, and the sand content is convenient and accurate to calculate.
Drawings
FIG. 1 is a cut-away view of the present invention in its entirety;
FIG. 2 is a cross-sectional view of the present invention as a whole;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of FIG. 2 at B of the present invention;
FIG. 5 is an enlarged view of FIG. 2 at C of the present invention;
FIG. 6 is an enlarged, partially cut-away view of the present invention;
FIG. 7 is an enlarged, fragmentary, cross-sectional view of the present invention;
FIG. 8 is a schematic diagram of a first perspective structure according to the present invention;
FIG. 9 is a schematic diagram of a second perspective view of the present invention.
In the figure: 1. a main body; 2. an electric telescopic rod; 3. a lifting frame; 4. a movable sealing plate; 5. a filter plate; 6. a base plate; 7. fixing the partition board; 8. a sliding plate; 9. a top rod; 10. a connecting rod; 11. a connecting plate; 12. an iron ring; 13. an electromagnet; 14. heating wires; 15. a drain pipe; 16. a drainage inclined pipe; 17. a first one-way valve; 18. a fitting barrel; 19. a second one-way valve; 20. a fixed block; 21. a mating spring; 22. a drain bottom pipe; 23. a bellows; 24. sealing the mating ring; 25. a mating groove; 26. a battery block; 27. a control panel; 28. a connector; 29. a wiring board; 30. a guide bar; 31. a lifting cylinder; 32. a return spring; 33. a first valve spool; 34. a first spring; 35. a first magnet; 36. a support frame; 37. a thimble; 38. a second valve spool; 39. a second magnet; 40. a second spring; 41. and (5) hoisting the plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A water flow sand content sampling and detecting device for water conservancy surveying is disclosed, as shown in figures 1, 2, 3, 4, 5, 6, 7, 8 and 9, and comprises a main body 1, an electric telescopic rod 2 with a downward output end is fixedly arranged in the main body 1, a lifting frame 3 is fixedly arranged at the tail end of the output end of the electric telescopic rod 2, a fixed partition plate 7 positioned at the bottom of a sliding plate 8 is fixedly arranged in the main body 1, a control plate 27 and a battery block 26 are sequentially fixed above an electromagnet 13 in the main body 1, wherein the battery block 26 in the main body 1 supplies power to the electric telescopic rod 2, the electromagnet 13 and a heating wire 14, and the control plate 27 is matched with manual operation of workers for centralized control;
the top of the lifting frame 3 is movably connected with a movable sealing plate 4 matched with the lifting frame, the bottom of the lifting frame 3 is fixedly provided with a filter plate 5, the bottom of the main body 1 is slidably connected with a bottom plate 6 matched with the main body 1, the top of the bottom plate 6 is uniformly and fixedly provided with a connecting rod 10 positioned in the main body 1 and slidably connected with the top end of the main body 1, the bottom of the sliding plate 8 is uniformly and fixedly provided with a plurality of groups of ejector rods 9, the top of the sliding plate 8 is fixedly provided with an iron ring 12, the main body 1 is internally and fixedly provided with an electromagnet 13 positioned above the iron ring 12, the sliding plate 8 is fixedly connected with the groups of connecting rods 10 through a connecting plate 11, a certain interval exists between the bottom of the main body 1 and the bottom plate 6, water can enter the main body 1, the bottom of the main body 1 is placed into the water flow to be sampled, the lifting frame 3 is driven by an electric telescopic rod 2, the movable sealing plate 4 and the filter plate 5 ascend, the movable sealing plate 4 is tightly attached to the top of the lifting frame 3 under the action of a plurality of groups of return springs 32, and then the lifting frame 3 ascends along with the lifting frame, water flow, and the lifting frame 3, so that the lifting frame 3 and the lifting frame 3 is in contact with the groups of the connecting rods 9, and the sliding plate, and the lifting frame 6, and the lifting frame, so that the lifting frame 6 are closed, and the lifting frame 6, and the lifting frame is closed, and the lifting frame is completed;
a drain pipe 15 is arranged in the tail end of the electric telescopic rod 2, a drain inclined pipe 16 with an opening positioned above the movable sealing plate 4 is obliquely arranged at the top of the drain pipe 15, a first check valve 17 is arranged at the bottom end in the drain pipe 15, a matching cylinder 18 is slidably connected at the central position of the top of the bottom plate 6, a second check valve 19 matched with the first check valve 17 is fixed at the central position of the top of the matching cylinder 18, a first valve core 33 is elastically connected in the first check valve 17, an ejector pin 37 is fixed at the central position of the bottom of the first valve core 33, a first magnet 35 positioned in the first valve core 33 is fixed at the bottom end in the first check valve 17, a second valve core 38 is elastically connected at the bottom end in the second check valve 19, a second magnet 39 corresponding to the first magnet 35 is fixed at the top of the second valve core 38, the first magnet 35 is fixedly connected with the first check valve 17 through a support 36, the first one-way valve 17 is elastically connected with the first valve core 33 through a first spring 34, the second one-way valve 19 is elastically connected with the second valve core 38 through a second spring 40, wherein a sealing matching ring 24 is fixed at the bottom of the output end of the electric telescopic rod 2, a matching groove 25 matched with the sealing matching ring 24 is formed in the top of the matching barrel 18, the electric telescopic rod 2 drives the lifting frame 3, the movable sealing plate 4 and the filter plate 5 to descend to compress water flow, the water flow penetrates through the filter plate 5 to jack up the movable sealing plate 4 under the action of pressure to enable a certain interval to be generated between the movable sealing plate 4 and the lifting frame 3, the water flow filtered by the filter plate 5 flows to the top of the movable sealing plate 4, and the water flow below the filter plate 5 all flows to the top of the movable sealing plate 4 along with the continuous descending of the lifting frame 3, when the filter plate 5 does not generate pressure by water flow, the multiple groups of reset springs 32 drive the movable sealing plate 4 and the lifting frame 3 to be sealed, meanwhile, the first one-way valve 17 is contacted with the second one-way valve 19, and the water flow at the top of the movable sealing plate 4 sequentially passes through the inclined drainage pipe 16, the drainage pipe 15, the first one-way valve 17, the second one-way valve 19, the corrugated pipe 23 and the bottom drainage pipe 22 and is discharged out of the main body 1;
the heating wire 14 is arranged in the bottom plate 6, the connector 28 matched with the heating wire 14 is arranged on one side of the bottom plate 6, the wiring board 29 matched with the connector 28 is arranged on one side of the main body 1, and the heating wire 14 in the bottom plate 6 is used for drying sand.
Referring to fig. 1, 2 and 3, a fixed block 20 is fixed at the bottom end inside a bottom plate 6, the fixed block 20 is elastically connected with a matching cylinder 18 through a matching spring 21, a drainage bottom pipe 22 is fixed inside the fixed block 20, and the drainage bottom pipe 22 is connected with a second one-way valve 19 through a corrugated pipe 23.
Referring to fig. 2 and 4, a plurality of groups of guide rods 30 extending into the lifting frame 3 are uniformly fixed at the edge position of the bottom of the movable sealing plate 4, a lifting cylinder 31 is fixed between the top of the plurality of groups of guide rods 30 and the movable sealing plate 4, a return spring 32 positioned outside the guide rods 30 is arranged in the lifting cylinder 31, and the bottom and the top of the return spring 32 are respectively and fixedly connected with the lifting frame 3 and the movable sealing plate 4.
Referring to fig. 1, 2, 8 and 9, the four corners of the top of the main body 1 are all fixedly provided with the hoisting plates 41, and the hoisting holes are formed in the hoisting plates 41, by adopting the structure, the invention can be integrally hoisted under external weighing equipment through the hoisting plates 41, after the water flow is completely sucked, the integral weight is calculated through the external weighing equipment, after the filtered water flow is emptied and the sand is dried, the invention containing the dried sand is integrally weighed through the external weighing equipment, so that the sand content of the water flow can be calculated, the integral operation is convenient, and the sand content can be conveniently and accurately calculated.
The working principle of the invention is as follows: when the electric heating device is used, the electric telescopic rod 2, the electromagnet 13 and the heating wire 14 are powered through the battery block 26 in the main body 1, and the control panel 27 is matched with manual operation of workers to perform centralized control;
a certain interval is reserved between the bottom of the main body 1 and the bottom plate 6, water flow can enter the main body 1, the bottom of the main body 1 is placed into the water flow to be sampled, the lifting frame 3 is driven by the electric telescopic rod 2, the movable sealing plate 4 and the filter plate 5 ascend, the movable sealing plate 4 is tightly attached to the top of the lifting frame 3 under the action of the multiple groups of reset springs 32, then the water flow is sucked into the main body 1 along with the ascending of the lifting frame 3, after the lifting frame 3 and the movable sealing plate 4 ascend to the top end inside the main body 1, the top of the movable sealing plate 4 upwards extrudes the multiple groups of ejector rods 9, so that the sliding plate 8 drives the multiple groups of connecting rods 10 to ascend, the bottom plate 6 is further contacted and closed with the bottom of the main body 1, the water flow sampling is completed, further, the top of the main body 1 is provided with exhaust holes, and further the water flow is not influenced when being sucked;
specifically, when the sliding plate 8 drives the bottom plate 6 and the main body 1 to be closed through the multiple groups of connecting rods 10, the iron ring 12 on the top of the sliding plate 8 rises to contact with the electromagnet 13, and then the electromagnet 13 generates magnetic force to adsorb and fix the iron ring 12, so that the sliding plate 8, the multiple groups of connecting rods 10 and the bottom plate 6 are adsorbed and fixed, and further the bottom plate 6 and the main body 1 are stably and firmly sealed and closed without loosening;
when detection is carried out, the electric telescopic rod 2 drives the lifting frame 3, the movable sealing plate 4 and the filter plate 5 to descend so as to compress water flow, at the moment, the water flow penetrates through the filter plate 5 to jack up the movable sealing plate 4 under the action of pressure, a certain interval is generated between the movable sealing plate 4 and the lifting frame 3, the water flow filtered by the filter plate 5 flows to the top of the movable sealing plate 4, and along with continuous descending of the lifting frame 3, the water flow below the filter plate 5 all flows to the top of the movable sealing plate 4;
when the filter plate 5 does not generate pressure by water flow, the multiple groups of reset springs 32 drive the movable sealing plate 4 and the lifting frame 3 to be sealed, meanwhile, the first one-way valve 17 is contacted with the second one-way valve 19, so that the water flow on the top of the movable sealing plate 4 sequentially passes through the inclined drainage pipe 16, the drainage pipe 15, the first one-way valve 17, the second one-way valve 19, the corrugated pipe 23 and the bottom drainage pipe 22 to be discharged out of the main body 1, and then the sand is dried by the heating wire 14 in the bottom plate 6, so that the dried sand can be taken out to calculate the sand content of the water flow;
specifically, when the first check valve 17 contacts the second check valve 19, the sealing matching ring 24 and the matching groove 25 are inserted and sealed, then the first magnet 35 inside the first check valve 17 attracts the second magnet 39 inside the second check valve 19 through magnetic force, and then the second magnet 39 drives the second valve core 38 and compresses the second spring 40 to rise, so that the second check valve 19 is opened;
when the second magnet 39 rises to attract and attach with the first magnet 35, the second magnet 39 extrudes the thimble 37, so that the first valve core 33 of the first one-way valve 17 compresses the first spring 34 to rise and open, wherein the first valve core 33 is in sliding connection relative to the first magnet 35, the first magnet 35 is fixedly connected with the first one-way valve 17 through the support frame 36, and then the filtered water flow can be discharged out of the main body 1 through the first one-way valve 17 and the second one-way valve 19, so that the overall water drainage is convenient;
when the sand content of the water flow needs to be calculated, after the water flow after filtration is emptied and sand is dried, as the volume of the water flow absorbed by the main body 1 is fixed, the sand content of the water flow can be calculated only by calculating the weight of the dried sand, or the invention can be integrally hung under an external weighing device through the hanging plate 41, after the water flow is completely absorbed, the integral weight is calculated through the external weighing device, and after the water flow after filtration is emptied and the sand is dried, the invention containing the dried sand is integrally weighed through the external weighing device, so that the sand content of the water flow can be calculated, the integral operation is convenient, and the sand content calculation is convenient and accurate;
still further say, because different waters rivers sand content is different, and then at crane 3, movable seal plate 4 and filter 5 filter the compression back to the rivers of absorption, carry out the drainage operation after first check valve 17 and the mutual contact of second check valve 19, if still need crane 3 whole decline to filter the compression this moment, at this moment, whole compressing cooperation spring 21 after first check valve 17 and the contact of second check valve 19, and then reduce the height of second check valve 19 and a cooperation section of thick bamboo 18, and then the different sand content's of adaptation that can be better rivers that filter the compression, adaptability is better, it is comparatively convenient to operate.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.
Claims (8)
1. The utility model provides a water conservancy is surveyed with rivers sand content sampling test device, includes main part (1), its characterized in that: an electric telescopic rod (2) with a downward output end is fixedly arranged in the main body (1), and a lifting frame (3) is fixedly arranged at the tail end of the output end of the electric telescopic rod (2);
the top of the lifting frame (3) is movably connected with a movable sealing plate (4) matched with the lifting frame, the bottom of the lifting frame (3) is fixedly provided with a filter plate (5), the bottom of the main body (1) is slidably connected with a bottom plate (6) matched with the main body, the top of the bottom plate (6) is uniformly and fixedly provided with connecting rods (10) positioned in the main body (1) in a sliding manner, the top end of the inside of the main body (1) is slidably connected with sliding plates (8) fixed with a plurality of groups of connecting rods (10), the bottom of each sliding plate (8) is uniformly and fixedly provided with a plurality of groups of ejector rods (9), the tail end of the electric telescopic rod (2) is internally provided with a drain pipe (15), the top of the drain pipe (15) is obliquely provided with a drain inclined pipe (16) with an opening positioned above the movable sealing plate (4), and the bottom end of the inside of the drain pipe (15) is provided with a first one-way valve (17);
bottom plate (6) top central point puts a sliding connection and has a cooperation section of thick bamboo (18), cooperation section of thick bamboo (18) top central point puts and is fixed with second check valve (19) with first check valve (17) matched with, first check valve (17) inside elastic connection has first case (33), first case (33) bottom central point puts and locates to be fixed with thimble (37), the inside bottom mounting of first check valve (17) has first magnet (35) that are located first case (33) inside, the inside bottom elastic connection of second check valve (19) has second case (38), second case (38) top mounting is provided with second magnet (39) corresponding with first magnet (35), bottom plate (6) inside is provided with heater strip (14), bottom plate (6) one side is provided with connector (28) with heater strip (14) matched with, main part (1) one side is provided with wiring board (28) matched with connection (29).
2. The device for sampling and detecting the sand content of the water flow for the water conservancy surveying according to claim 1, wherein: the first magnet (35) is fixedly connected with the first one-way valve (17) through a support frame (36), the first one-way valve (17) is elastically connected with the first valve core (33) through a first spring (34), and the second one-way valve (19) is elastically connected with the second valve core (38) through a second spring (40).
3. The device for sampling and detecting the sand content in the water flow for the water conservancy survey according to claim 1, characterized in that: an iron ring (12) is fixedly arranged at the top of the sliding plate (8), an electromagnet (13) positioned above the iron ring (12) is fixedly arranged inside the main body (1), and the sliding plate (8) is fixedly connected with the multiple groups of connecting rods (10) through connecting plates (11).
4. The device for sampling and detecting the sand content of the water flow for the water conservancy surveying according to claim 1, wherein: the bottom mounting has fixed block (20) in bottom plate (6) inside, through cooperation spring (21) elastic connection between fixed block (20) and the cooperation section of thick bamboo (18), fixed block (20) inside is fixed with drainage bottom tube (22), connect through bellows (23) between drainage bottom tube (22) and second check valve (19).
5. The device for sampling and detecting the sand content of the water flow for the water conservancy surveying according to claim 1, wherein: the bottom edge position of the movable sealing plate (4) is uniformly fixed with a plurality of groups of guide rods (30) extending to the interior of the lifting frame (3), a lifting cylinder (31) is fixed between the top of the guide rods (30) and the movable sealing plate (4), and a return spring (32) located on the outer side of the guide rods (30) is arranged in the lifting cylinder (31).
6. The device of claim 3, wherein the device comprises: a fixed partition plate (7) positioned at the bottom of the sliding plate (8) is fixed inside the main body (1), and a control plate (27) and a battery block (26) are sequentially fixed above the electromagnet (13) inside the main body (1).
7. The device for sampling and detecting the sand content in the water flow for the water conservancy survey according to claim 1, characterized in that: a sealing matching ring (24) is fixed at the bottom of the output end of the electric telescopic rod (2), and a matching groove (25) matched with the sealing matching ring (24) is formed in the top of the matching barrel (18).
8. The device for sampling and detecting the sand content of the water flow for the water conservancy surveying according to claim 1, wherein: the four corners of the top of the main body (1) are fixedly provided with hoisting plates (41), and hoisting holes are formed in the hoisting plates (41).
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| US6391265B1 (en) * | 1996-08-26 | 2002-05-21 | Biosite Diagnostics, Inc. | Devices incorporating filters for filtering fluid samples |
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| CN212956858U (en) * | 2020-06-02 | 2021-04-13 | 文山水投建设工程有限公司 | Hydraulic engineering drain pipe installation device |
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| CN114894685A (en) * | 2022-04-18 | 2022-08-12 | 水利部交通运输部国家能源局南京水利科学研究院 | High efficiency water conservancy hydrology sand content detection device |
| CN115127956A (en) * | 2022-06-27 | 2022-09-30 | 江苏中建商品混凝土有限公司 | Method for detecting sewage concentration of ready-mixed concrete plant |
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2022
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| US6391265B1 (en) * | 1996-08-26 | 2002-05-21 | Biosite Diagnostics, Inc. | Devices incorporating filters for filtering fluid samples |
| CN110683736A (en) * | 2019-10-10 | 2020-01-14 | 河海大学 | Piston extrusion type water-sand separation device |
| CN212956858U (en) * | 2020-06-02 | 2021-04-13 | 文山水投建设工程有限公司 | Hydraulic engineering drain pipe installation device |
| CN114136382A (en) * | 2022-01-29 | 2022-03-04 | 中国科学院西北生态环境资源研究院 | River flow monitoring device for silt |
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