CN114486383A - Sampling and pumping device with water stop structure for hydrogeological drilling and method - Google Patents
Sampling and pumping device with water stop structure for hydrogeological drilling and method Download PDFInfo
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- CN114486383A CN114486383A CN202210125233.9A CN202210125233A CN114486383A CN 114486383 A CN114486383 A CN 114486383A CN 202210125233 A CN202210125233 A CN 202210125233A CN 114486383 A CN114486383 A CN 114486383A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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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Abstract
A sampling pumping device with a water stop structure for hydrogeological drilling and a method thereof relate to the technical field of hydrogeological equipment, and aim to solve the technical problems that the sampling pumping device is inconvenient to set the distance from the bottom to an upper water layer to sample different water layers and sample different positions one by one, the operation is troublesome and the sampling time is long, the invention has the advantages that the lower end of an upper connecting flange is provided with an extraction counterweight part, the lower end of the extraction counterweight part is provided with pumping sampling parts, the number of the pumping sampling parts is three, the lower end of the middle part of a connecting and conducting part is provided with a height adjusting component in a triangular shape, the upper end of the height adjusting component is in threaded connection with the inner side of the extraction connecting component, the lower end of an extension folding component is provided with a pumping sampling component, so that the purposes of height limitation and counter weight can be realized, the sampling can be carried out on the bottom, and the simultaneous sampling can be carried out on three underwater points, the one-time operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of hydrogeological equipment, in particular to a sampling pumping device with a water stop structure for hydrogeological drilling and a method.
Background
Hydrogeology, the branch of geology, refers to the phenomenon of various changes and movements of groundwater in nature. Hydrology and geology are the science of studying groundwater. The method mainly researches the distribution and formation rule of the underground water, the physical property and chemical composition of the underground water, the underground water resource and reasonable utilization thereof, the adverse effect of the underground water on engineering construction and mine exploitation, the prevention and the treatment thereof and the like. With the needs of scientific development and production construction, hydrology is divided into branch subjects such as regional hydrology, underground hydrodynamics, hydrology geochemistry, water supply hydrology, mineral deposit hydrology, soil improvement hydrology and the like. In recent years, research on hydrology and geology and geothermy, earthquake, environmental geology and the like are mutually permeated, and a plurality of new fields are formed.
However, the existing sampling pumping device is not convenient for setting the distance from the bottom to the upper water layer to sample different water layers, so that the sampling water is single, the data error is large, when sampling at multiple points, the sampling is carried out on different positions one by one, repeated operation is required every time, the operation is troublesome, and the sampling time is long.
To solve the above problems. Therefore, the sampling pumping device and method with the water stopping structure for the hydrogeological drilling are provided.
Disclosure of Invention
The invention aims to provide a sampling pumping device with a water stop structure for hydrogeological drilling and a method, wherein the sampling pumping device comprises a water pump and three rubber hoses arranged at the output end of the water pump, the output end of each rubber hose is provided with an upper connecting flange, the lower end of each upper connecting flange is provided with a pumping counterweight part, the lower end of each pumping counterweight part is provided with three pumping sampling parts in a triangular shape; the extraction counterweight part comprises an extraction connecting assembly and a connection conduction piece arranged at the lower end of the extraction connecting assembly, a height adjusting assembly is arranged at the lower end of the middle of the connection conduction piece in a threaded mode, the upper end of the height adjusting assembly is connected with the inner side of the extraction connecting assembly in a threaded mode, the water pumping sampling part comprises an extension folding assembly and a water pumping sampling assembly arranged at the lower end of the extension folding assembly, and the problem brought forward in the background technology can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: a sampling pumping device with a water stop structure for hydrogeological drilling comprises a water pump and three rubber hoses arranged at the output end of the water pump, wherein the output end of each rubber hose is provided with an upper connecting flange, the lower end of each upper connecting flange is provided with a pumping counterweight part, and the lower end of each pumping counterweight part is provided with three pumping sampling parts in a triangular shape;
the extraction counterweight component comprises an extraction connecting assembly and a connection conduction piece arranged at the lower end of the extraction connecting assembly, a height adjusting assembly is arranged at the lower end of the middle of the connection conduction piece in a threaded mode, and the upper end of the height adjusting assembly is connected with the inner side of the extraction connecting assembly in a threaded mode.
Further, extraction coupling assembling includes the honeycomb duct and sets up at the lower flange of honeycomb duct upper end, and the honeycomb duct inboard is provided with threaded sleeve, and threaded sleeve's upper end is provided with the upper limit film-making, and threaded sleeve's lower extreme is provided with the lower limit film-making, is located to be provided with the air on the threaded sleeve between upper limit film-making and the lower limit film-making and promotes the circle, and the air promotes the circle and is the component that a rubber materials made, and first air guide hole has been seted up to the inboard lower extreme of honeycomb duct.
Further, altitude mixture control subassembly includes the screw lead screw and sets up the balancing weight at screw lead screw lower extreme, screw lead screw and screw sleeve threaded connection, and the stock solution storehouse has been seted up to the inboard of balancing weight, and the inboard lower extreme that is located the stock solution storehouse is provided with seals the counterweight, seals the counterweight and is the back taper, and the lower extreme outside of sealing the counterweight is provided with the support bar.
Furthermore, a sensor is embedded in the middle of the lower end of the sealing counterweight, and protective transparent glass is arranged on the sealing counterweight outside the sensor.
Further, the pumping sampling component comprises an extension folding component and a pumping sampling component arranged at the lower end of the extension folding component.
Furthermore, the extension folding assembly comprises an extension pipe and an upper spring pipe arranged on the upper end of the extension pipe, the upper end of the upper spring pipe is connected with a second air guide hole formed in a connection conduction piece, first rotating pins are arranged on two sides of the upper end of the extension pipe, the first rotating pins are movably connected with the connection conduction piece, a lower spring pipe is arranged at the lower end of the extension pipe, the lower end of the lower spring pipe is connected with the upper end of the water pumping sampling assembly, second rotating pins are arranged on two sides of the lower end of the extension pipe, and the second rotating pins are movably connected with the water pumping sampling assembly.
Further, the water pumping and sampling assembly comprises a sampling piece and a buoyancy piece arranged on the outer side of the sampling piece, the buoyancy piece and the sampling piece form a sampling bin, and a water stopping assembly is arranged at the lower end of the inner side of the sampling bin.
Furthermore, the water stopping component comprises an upper water stopping ball and a connecting rod arranged at the lower end of the upper water stopping ball, a lower water stopping ball is arranged at the lower end of the connecting rod, the upper water stopping ball and the lower water stopping ball are made of the same material, and the specification is equal.
The invention provides another technical scheme that: the implementation method of the sampling pumping device with the water stop structure for the hydrogeological drilling is provided, and comprises the following steps:
s1: the distance from the bottom of the balancing weight to the lower end face of the connecting and conducting piece is judged by rotating the balancing weight and the number of turns of the rotating threads, and the distance is the distance between the water pumping sampling part and the water bottom;
s2: the pumping balance weight part and the pumping sampling part are placed in the sample removing water, when the whole connecting and conducting part sinks under the action of the gravity of the balancing weight, the pumping sampling part drives the extension pipe to rotate under the buoyancy action of the sampling bin, and then the three pumping sampling parts are unfolded, so that three underwater points can be sampled simultaneously;
s3: after the sensor response is to the end, stop transferring, earlier reverse pour into the clear water into the water pumper, when the sample part that draws water need draw water, start the water pumper, the water of drawing water chance with air promotion circle upper end is outwards extracted, can make the air promotion circle upwards remove this moment, and then make the ascending thrust of lower extreme air of air promotion circle, this moment drive under the suction effect of air and stop the hydrosphere rebound, the connecting rod leaves the clearance with the sample part this moment, the water flows into the sample storehouse from the clearance, when the suction of air continues to act on, this moment lower hydrosphere is with the opening shutoff of sample part again, reach the stagnant water effect, this moment the water pumper pause, stop the hydrosphere and fall under reaction force fast, and again with the opening shutoff of sample part, sample storehouse can remain a part of liquid this moment, and then accomplish the sample.
Further, after the balancing weight got into the water in S3, the gravity of sealing the counterweight this moment was greater than the buoyancy of water, and the lower extreme opening in stock solution storehouse was the encapsulated situation, and after the balancing weight sinks to the end, the counterweight of sealing this moment was supported, and the balancing weight continues to move down, and the balancing weight begins gappedly with sealing between the counterweight this moment, and water can enter into stock solution storehouse, can tentatively sample the bottom.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a sampling pumping device and a method with a water stop structure for hydrogeological drilling, when a water body with a fixed distance from the ground needs to be pumped, the distance from the bottom of a balancing weight to the lower end surface of a connecting and conducting part can be judged by rotating the balancing weight, the distance is the distance between a pumping sampling part and the water bottom, so that water can be taken from different water layers, when the balancing weight enters the water body, the gravity of a sealing balancing weight is larger than the buoyancy of water, the lower end opening of a liquid storage bin is in a sealing state, when the balancing weight sinks to the bottom, the sealing balancing weight is supported, the balancing weight continues to move downwards, a gap begins to exist between the balancing weight and the sealing part, water can enter the liquid storage bin, the water bottom can be sampled preliminarily, a height adjusting component can be obtained by one stroke, the height adjusting component can be used as a balancing weight, and can also be used for sampling the water bottom, the sampling convenience of the sampling water pumping device is improved.
2. When the connecting and conducting piece sinks under the action of gravity of the balancing weight, the pumping and sampling component drives the extension pipe to rotate under the action of buoyancy of the sampling bin, so that the three pumping and sampling components are unfolded, and further, simultaneous sampling can be performed on three underwater points.
3. The invention provides a sampling pumping device and a method with a water stopping structure for hydrogeological drilling, which are characterized in that when a sensor senses that the sensor is at the bottom, the pumping device stops descending, clear water is reversely injected into the pumping device, when a pumping sampling part needs to pump water, the pumping device is started, water at the upper end of an air pushing ring is pumped outwards by the pumping device, the air pushing ring can move upwards at the moment, further, air at the lower end of the air pushing ring has an upward pushing force, at the moment, an upper water stopping ball is driven to move upwards under the action of the pumping force of the air, at the moment, a gap is reserved between a connecting rod and a sampling part, water flows into a sampling bin from the gap, when the pumping force of the air continues to act, the lower water stopping ball blocks an opening of the sampling part again to achieve the water stopping effect, at the moment, the pumping device stops, the upper water stopping ball rapidly falls under the action of the reaction force and blocks the opening of the sampling part again, at this time, a part of liquid is remained in the sampling bin, and then sampling is completed.
Drawings
FIG. 1 is a schematic overall three-dimensional structure of a sampling pumping device with a water stop structure for hydrogeological drilling according to the present invention;
FIG. 2 is a schematic structural diagram of a folded state of an extraction counterweight part and a pumping sampling part of the sampling pumping device with a water stop structure for hydrogeological drilling;
FIG. 3 is a schematic structural diagram of the deployed states of a pumping counterweight part and a pumping sampling part of the sampling pumping device with a water stop structure for hydrogeological drilling according to the invention;
FIG. 4 is a schematic perspective view of a pumping counterweight of the sampling pumping device with a water stop structure for hydrogeological drilling according to the present invention;
FIG. 5 is a perspective three-dimensional schematic view of the extraction connection assembly of the sampling pumping device with a water stop structure for hydrogeological drilling according to the present invention;
FIG. 6 is a schematic view of the bottom plan view of the connecting and conducting piece of the sampling and pumping device with a water stop structure for hydrogeological drilling according to the present invention;
FIG. 7 is a schematic view of the internal plane structure of the connecting and conducting piece of the sampling pumping device with the water stop structure for hydrogeological drilling according to the present invention;
FIG. 8 is a schematic perspective view of a water pumping and sampling component of the sampling water pumping device with a water stopping structure for hydrogeological drilling according to the present invention;
FIG. 9 is a schematic perspective view of an extended folding assembly of the sampling pumping device with a water stop structure for hydrogeological drilling according to the present invention;
fig. 10 is a schematic diagram of the internal plan structure of the water pumping sampling assembly of the sampling water pumping device with the water stop structure for hydrogeological drilling.
In the figure: 1. a water pump; 2. a rubber hose; 3. an upper connecting flange; 4. withdrawing the counterweight member; 41. extracting the connecting assembly; 411. a flow guide pipe; 4111. a first air guide hole; 412. a lower connecting flange; 413. a threaded bushing; 414. slicing the upper limit; 415. an air pushing ring; 416. making a lower limit tablet; 42. connecting a conducting piece; 421. a second air-guide hole; 43. a height adjustment assembly; 431. a threaded lead screw; 432. a balancing weight; 4321. a liquid storage bin; 433. a seal counterweight; 434. a supporting strip; 435. a sensor; 436. protective transparent glass; 5. a water pumping and sampling component; 51. an extension folding assembly; 511. an extension pipe; 512. an upper spring tube; 513. a first rotation pin; 514. a lower spring tube; 515. a second rotation pin; 52. a water pumping and sampling assembly; 521. sampling; 522. a buoyant member; 523. a water stop assembly; 5231. a water stopping ball; 5232. a connecting rod; 5233. and a lower water stopping ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a sampling pumping device with a water stop structure for hydrogeological drilling comprises a water pump 1 and a rubber hose 2 arranged at the output end of the water pump 1, wherein the output end of the rubber hose 2 is provided with an upper connecting flange 3, the lower end of the upper connecting flange 3 is provided with an extraction counterweight part 4, the lower end of the extraction counterweight part 4 is provided with a pumping sampling part 5, and the pumping sampling part 5 is three in a triangular shape.
The extraction counterweight part 4 comprises an extraction connecting assembly 41 and a connecting conducting piece 42 arranged at the lower end of the extraction connecting assembly 41, wherein a height adjusting assembly 43 is arranged at the lower end of the middle part of the connecting conducting piece 42 in a threaded mode, and the upper end of the height adjusting assembly 43 is connected with the inner side of the extraction connecting assembly 41 in a threaded mode.
In order to solve the technical problems that the sampling water is single and the data error is large due to the fact that the existing sampling water pumping device is inconvenient to set the distance from the bottom to the upper water layer to sample different water layers, please refer to fig. 4-7, and the following technical scheme is provided:
the extraction connecting assembly 41 comprises a guide pipe 411 and a lower connecting flange 412 arranged at the upper end of the guide pipe 411, a threaded sleeve 413 is arranged on the inner side of the guide pipe 411, an upper limit sheet 414 is arranged at the upper end of the threaded sleeve 413, a lower limit sheet 416 is arranged at the lower end of the threaded sleeve 413, an air pushing ring 415 is arranged on the threaded sleeve 413 between the upper limit sheet 414 and the lower limit sheet 416, the air pushing ring 415 is a member made of rubber materials, and a first air guide hole 4111 is formed in the lower end of the inner side of the guide pipe 411.
Specifically, earlier reverse pour into the clear water into in water pump 1, when the sample section 5 that draws water need draw water, start water pump 1, water pump 1 can draw the outside extraction of water of air promotion circle 415 upper end, can make air promotion circle 415 rebound this moment, and then makes the ascending thrust of air promotion circle 415's lower extreme air.
The height adjusting assembly 43 comprises a threaded screw rod 431 and a balancing weight 432 arranged at the lower end of the threaded screw rod 431, the threaded screw rod 431 is in threaded connection with a threaded sleeve 413, a liquid storage bin 4321 is formed in the inner side of the balancing weight 432, a sealing counterweight 433 is arranged at the lower end of the inner side of the liquid storage bin 4321, the sealing counterweight 433 is in an inverted cone shape, a support bar 434 is arranged on the outer side of the lower end of the sealing counterweight 433, a sensor 435 is embedded in the middle of the lower end of the sealing counterweight 433, and protective transparent glass 436 is arranged on the sealing counterweight 433 on the outer side of the sensor 435.
Specifically, when a water body with a fixed distance from the ground needs to be extracted, the water body can be extracted by rotating the counterweight block 432, the distance from the bottom of the weight block 432 to the lower end face of the connecting and conducting member 42 is determined by the number of turns of the rotating thread, and the distance is the distance between the pumping and sampling part 5 and the water bottom, further realizes the water intake of different water layers, and when the counterweight block 432 enters the water body, the gravity of the sealing counterweight 433 is larger than the buoyancy of the water, the lower end opening of the liquid storage bin 4321 is in a closed state, when the counterweight block 432 sinks to the bottom, the sealing counterweight 433 is supported at the moment, the counterweight block 432 continues to move downwards, a gap begins to exist between the counterweight block 432 and the sealing counterweight 433, water can enter the liquid storage bin 4321, can tentatively sample to the bottom, altitude mixture control subassembly 43 kills two birds with one stone, both can limit for the height and as the counter weight, can sample to the bottom again, improves sampling pumping device sampling convenience.
In order to solve the technical problems that the sampling is performed at different positions one by one during the existing multipoint sampling, the operation needs to be repeated each time, the operation is troublesome, and the sampling time is long, please refer to fig. 8-10, and the following technical solutions are provided:
the water pumping and sampling part 5 includes an extension and folding assembly 51 and a water pumping and sampling assembly 52 disposed at a lower end of the extension and folding assembly 51.
The extending and folding assembly 51 comprises an extending pipe 511 and an upper spring pipe 512 arranged at the upper end of the extending pipe 511, the upper end of the upper spring pipe 512 is connected with a second air vent 421 formed in the connecting and conducting piece 42, first rotating pins 513 are arranged at two sides of the upper end of the extending pipe 511, the first rotating pins 513 are movably connected with the connecting and conducting piece 42, a lower spring pipe 514 is arranged at the lower end of the extending pipe 511, the lower end of the lower spring pipe 514 is connected with the upper end of the water pumping and sampling assembly 52, second rotating pins 515 are arranged at two sides of the lower end of the extending pipe 511, and the second rotating pins 515 are movably connected with the water pumping and sampling assembly 52.
The pumping sampling assembly 52 comprises a sampling member 521 and a buoyancy member 522 arranged outside the sampling member 521, the buoyancy member 522 and the sampling member 521 form a sampling bin, and a water stop assembly 523 is arranged at the lower end of the inner side of the sampling bin.
Specifically, when connecting and switching on 42 whole when sinking under the action of gravity of balancing weight 432, the buoyancy in sample storehouse of this moment sample part 5 drive extension pipe 511 and take place to rotate under the buoyancy in sample storehouse, and then expand three sample part 5 that draws water, and then can take a sample simultaneously three points under water, and one operation is simple and convenient, and the sampling point is many moreover, and data is more accurate, and can fold portable when depositing.
Further, the water stop assembly 523 comprises an upper water stop ball 5231 and a connecting rod 5232 arranged at the lower end of the upper water stop ball 5231, a lower water stop ball 5233 is arranged at the lower end of the connecting rod 5232, and the upper water stop ball 5231 and the lower water stop ball 5233 are made of the same material and have the same specification.
Specifically, after the sensor 435 senses that the water is flowing to the bottom, the water stops being discharged, clean water is injected into the water pump 1, the water pump 1 is started again, the air pushing ring 415 is driven to move upwards, the air at the lower end of the air pushing ring 415 has an upward pushing force, the upper water stopping ball 5231 is driven to move upwards under the action of the drawing force of the air, a gap is reserved between the connecting rod 5232 and the sampling piece 521, water flows into the sampling bin from the gap, when the drawing force of the air continues to act, the opening of the sampling piece 521 is blocked by the lower water stopping ball 5233, the water stopping effect is achieved, the water pump 1 is suspended, the upper water stopping ball 5231 quickly falls under the action of the reaction force, the opening of the sampling piece 521 is blocked again, a part of liquid remains in the sampling bin, and sampling is completed.
The invention provides another technical scheme that: the implementation method of the sampling pumping device with the water stop structure for the hydrogeological drilling is provided, and comprises the following steps:
the method comprises the following steps: the distance from the bottom of the balancing weight 432 to the lower end face of the connecting and conducting piece 42 is judged by rotating the balancing weight 432 and the number of turns of the rotating thread, and the distance is the distance between the pumping sampling part 5 and the water bottom;
step two: the pumping counterweight component 4 and the pumping sampling component 5 are placed in the sample-carrying water, and when the whole connecting and conducting piece 42 sinks under the action of the gravity of the counterweight block 432, the pumping sampling component 5 drives the extension pipe 511 to rotate under the action of buoyancy of the sampling bin, so that the three pumping sampling components 5 are unfolded, and further three underwater points can be sampled simultaneously;
step three: after the sensor senses that the water is flowing to the bottom, the water stops being discharged, firstly, clean water is reversely injected into the water pump 1, then, the water pump 1 is started, water at the upper end of the air pushing ring 415 is extracted outwards by the water pump 1, at the moment, the air pushing ring 415 can move upwards, and further, air at the lower end of the air pushing ring 415 can drive the upper water stopping ball 5231 to move upwards under the action of air pumping force, at the moment, a gap is reserved between the connecting rod 5232 and the sampling piece 521, water flows into the sampling bin from the gap, when the air pumping force continues to act, the opening of the sampling piece 521 is blocked by the lower water stopping ball 5233 at the moment, the water stopping effect is achieved, at the moment, the water pump 1 is paused, the upper water stopping ball 5231 quickly falls under the action of the reaction force, the opening of the sampling piece 521 is blocked again, at the moment, a part of liquid is remained in the sampling bin, and then, and sampling is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. A sampling pumping device with a water stop structure for hydrogeological drilling comprises a water pump (1) and rubber hoses (2) arranged at the output end of the water pump (1), and is characterized in that the output end of each rubber hose (2) is provided with an upper connecting flange (3), the lower end of each upper connecting flange (3) is provided with an extraction counterweight component (4), the lower end of each extraction counterweight component (4) is provided with a pumping sampling component (5), and the three pumping sampling components (5) are arranged in a triangular shape;
the extraction counterweight component (4) comprises an extraction connecting assembly (41) and a connecting conducting piece (42) arranged at the lower end of the extraction connecting assembly (41), a height adjusting assembly (43) is arranged at the lower end of the middle of the connecting conducting piece (42) in a threaded mode, and the upper end of the height adjusting assembly (43) is connected with the inner side of the extraction connecting assembly (41) in a threaded mode.
2. The sampling and pumping device with the water stop structure for the hydrogeological drilling according to claim 1, wherein the extraction connection assembly (41) comprises a flow guide pipe (411) and a lower connection flange (412) arranged at the upper end of the flow guide pipe (411), a threaded sleeve (413) is arranged inside the flow guide pipe (411), an upper limit sheet (414) is arranged at the upper end of the threaded sleeve (413), a lower limit sheet (416) is arranged at the lower end of the threaded sleeve (413), an air pushing ring (415) is arranged on the threaded sleeve (413) between the upper limit sheet (414) and the lower limit sheet (416), the air pushing ring (415) is a member made of rubber materials, and a first air guide hole (4111) is formed at the lower end of the inner side of the flow guide pipe (411).
3. The sampling and pumping device with the water stop structure for hydrogeological drilling according to claim 2, characterized in that the height adjusting assembly (43) comprises a threaded screw rod (431) and a counterweight (432) arranged at the lower end of the threaded screw rod (431), the threaded screw rod (431) is in threaded connection with the threaded sleeve (413), a reservoir (4321) is arranged at the inner side of the counterweight (432), a sealing counterweight (433) is arranged at the lower end of the inner side of the reservoir (4321), the sealing counterweight (433) is in an inverted cone shape, and a support strip (434) is arranged at the outer side of the lower end of the sealing counterweight (433).
4. The sampling pumping device with the water stop structure for the hydrogeological drilling as recited in claim 3, characterized in that the middle of the lower end of the sealing counterweight (433) is embedded with the sensor (435), and the sealing counterweight (433) outside the sensor (435) is provided with the protective transparent glass (436).
5. The sampling pumping device with the water stop structure for hydrogeological drilling according to claim 4, characterized in that the pumping sampling part (5) comprises an extension folding component (51) and a pumping sampling component (52) arranged at the lower end of the extension folding component (51).
6. The sampling and pumping device with the water stop structure for the hydrogeological drilling according to claim 5, wherein the extension folding assembly (51) comprises an extension pipe (511) and an upper spring pipe (512) arranged at the upper end of the extension pipe (511), the upper end of the upper spring pipe (512) is connected with a second air guide hole (421) formed in the connection and conduction piece (42), first rotating pins (513) are arranged on two sides of the upper end of the extension pipe (511), the first rotating pins (513) are movably connected with the connection and conduction piece (42), a lower spring pipe (514) is arranged at the lower end of the extension pipe (511), the lower end of the lower spring pipe (514) is connected with the upper end of the pumping and sampling assembly (52), second rotating pins (515) are arranged on two sides of the lower end of the extension pipe (511), and the second rotating pins (515) are movably connected with the pumping and sampling assembly (52).
7. The sampling and pumping device with the water stopping structure for the hydrogeological drilling according to claim 6, characterized in that the pumping and sampling assembly (52) comprises a sampling member (521) and a buoyancy member (522) arranged outside the sampling member (521), the buoyancy member (522) and the sampling member (521) form a sampling bin, and the water stopping assembly (523) is arranged at the lower end of the inner side of the sampling bin.
8. The sampling pumping device with the water stop structure for hydrogeological drilling according to claim 7, characterized in that the water stop component (523) comprises an upper water stop ball (5231) and a connecting rod (5232) arranged at the lower end of the upper water stop ball (5231), the lower end of the connecting rod (5232) is provided with a lower water stop ball (5233), and the upper water stop ball (5231) and the lower water stop ball (5233) are made of the same material and have the same specification.
9. A method of drawing a sampling pump device with a water stop structure for hydrogeological drilling according to any of claims 1 to 8, comprising the steps of:
s1: the distance from the bottom of the balancing weight (432) to the lower end face of the connecting and conducting piece (42) is judged by rotating the balancing weight (432) and the number of turns of the rotating threads, and the distance is the distance between the water pumping sampling part (5) and the water bottom;
s2: the pumping counterweight component (4) and the pumping sampling component (5) are placed in the water with sample removal, when the connecting and conducting piece (42) integrally sinks under the action of the gravity of the counterweight block (432), the pumping sampling component (5) drives the extension pipe (511) to rotate under the action of the buoyancy of the sampling bin, and then the three pumping sampling components (5) are unfolded, so that three underwater points can be sampled simultaneously;
s3: when the sensor senses that the water is completely pumped, the water stops being discharged, clean water is injected into the water pump (1) reversely, then the water pump (1) is started, the water pump (1) can extract water at the upper end of the air push ring (415) outwards, the air push ring (415) can move upwards at the moment, air at the lower end of the air push ring (415) has an upward pushing force, the upper water stop ball (5231) is driven to move upwards under the action of the air pumping force, a gap is reserved between the connecting rod (5232) and the sampling piece (521), water flows into the sampling bin from the gap, when the air pumping force continues to act, the lower water stop ball (5233) blocks the opening of the sampling piece (521) to achieve a water stopping effect, the water pump (1) is stopped, the upper water stop ball (5231) quickly falls under the reactive force and blocks the opening of the sampling piece (521) again, and a part of liquid can remain in the sampling bin at the moment, thereby completing the sampling.
10. The sampling pumping device with the water stop structure for hydrogeological drilling according to claim 9, wherein in S3, after the counterweight block (432) enters the water body, the gravity of the sealing counterweight (433) is greater than the buoyancy of the water, the lower end opening of the liquid storage bin (4321) is in a closed state, after the counterweight block (432) sinks to the bottom, the sealing counterweight (433) is supported, the counterweight block (432) moves downwards continuously, a gap begins to exist between the counterweight block (432) and the sealing counterweight (433), and the water can enter the liquid storage bin (4321) to sample the water bottom primarily.
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| CN114486383B (en) | 2023-10-17 |
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