CN114166569A - Groundwater sampling device for hydrogeology - Google Patents
Groundwater sampling device for hydrogeology Download PDFInfo
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- CN114166569A CN114166569A CN202111571006.0A CN202111571006A CN114166569A CN 114166569 A CN114166569 A CN 114166569A CN 202111571006 A CN202111571006 A CN 202111571006A CN 114166569 A CN114166569 A CN 114166569A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- 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
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of underground water sampling, in particular to an underground water sampling device for hydrogeology, which comprises a mounting seat, wherein a plurality of telescopic rods are arranged below the mounting seat, a water taking bearing cover is detachably and fixedly connected between every two adjacent telescopic rods, annular air bags are fixedly sleeved on the outer sides of the top and the bottom of the water taking bearing cover, and a water collecting column is fixedly connected in the middle of the inside of the water taking bearing cover. According to the invention, the two pistons move close to each other to convey gas in the first cylindrical sliding groove into the annular air bags through the gas supply pipe, the two annular air bags are tightly attached to the inner side wall of the drill hole to prevent water seepage at different depths in the drill hole from flowing along the inner wall of the drill hole, the two pistons move close to each other to extrude water in the second cylindrical sliding groove into the water collecting column through the water inlet pipe to be collected, and the collected water is water seepage blocked between the two annular air bags, so that the accuracy of a water sampling quality detection result is improved.
Description
Technical Field
The invention relates to the technical field of underground water sampling, in particular to an underground water sampling device for hydrogeology.
Background
Underground water is an important component of water resources, and needs to be sampled when the formation, migration and evolution of the underground water are researched, the existing underground water sample collection is generally to arrange a drill hole on the ground, and after water permeates into the drill hole, the water at different underground depths is collected by a water pump matched with a water pipe, during and after drilling, water with different underground depths all flows to the bottom of the drill hole along the inner side wall of the drill hole, this results in the water collected inside the borehole mixing with water at different depths in the ground, where the water collected by the water pipe cannot accurately replace the sample water at a location below the ground, thereby influence the result of later stage groundwater quality testing, gather water with the water pipe in addition and need frequent rolling water pipe, also be difficult for moving the sampling position degree of depth with the bottom of water pipe accurately and adopt water to influence the efficiency of groundwater sampling.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a hydrogeology underground water sampling device, a first piston and a second piston are respectively connected in a sliding manner in a first cylindrical chute and a second cylindrical chute inside a water taking bearing cover, transmission shafts are respectively and rotatably connected at the top and the bottom of the water taking bearing cover, a first connecting shaft and a second connecting shaft on each transmission shaft are not in the same straight line with a positioning shaft, a sleeve is rotatably sleeved on the outer side wall of the first connecting shaft, two symmetrically distributed transmission rods are fixedly connected to the outer side wall of the sleeve, a spherical block at the end part of each transmission rod slides in a limiting manner in an arc-shaped groove on the water taking bearing cover, the transmission rods are hinged with a connecting rod through a first spherical hinge, the first piston and the second piston are rotatably connected with the end part of the connecting rod, which deviates from the connecting rod, and a screw rod is rotated to enable the two transmission shafts inside the same water taking bearing cover to rotate, because the transmission shaft is in a bending state, the spherical block at the end part of the transmission rod can only move in the arc-shaped groove at the corresponding position, the transmission shaft rotates to enable the sleeve to drive the two transmission rods to swing in the spherical groove in a reciprocating manner, the first two pistons and the second two pistons synchronously slide in the first cylindrical sliding groove and the second cylindrical sliding groove in a reciprocating manner under the transmission action of the first connecting rod matched with the first spherical hinge and the second spherical hinge, when the first two pistons move close to each other, gas sucked into the first cylindrical sliding groove by the gas inlet pipe is conveyed into the annular gas bag through the gas supply pipe, so that the two annular gas bags on the same water taking bearing cover are tightly attached to the inner side wall of the drill hole, the water seepage at different depths in the drill hole is prevented from flowing along the inner wall of the drill hole, and when the second two pistons move close to each other, the water sucked into the second cylindrical sliding groove by the water suction pipe is conveyed and extruded to the annular water collecting cavity in the water collecting column through the water inlet pipe to be collected, the collected water is separated and seeped between the two annular air bags, so that the accuracy of a water sampling quality detection result is improved, the first piston and the second piston move synchronously, water is taken while the separated water flows, and the water at a target depth is sampled conveniently;
the screw rods are rotatably connected at the two ends of the water taking bearing cover, the screw rods can be detachably screwed and fixed with the telescopic rods at the corresponding positions, a proper number of telescopic rods can be selected according to the depth of water to be sampled, the depth which can be reached by the underground water sampling device can be changed, the underground water at different depths can be conveniently collected by the water taking bearing cover which is arranged on the telescopic rods in a matching way, the length of the telescopic rods can be adjusted, the water taking bearing cover can be conveniently and accurately moved to the position where water needs to be taken again, the water is convenient to take, the pressure relief valve is arranged on the outer side wall of the annular air bag, the stable air pressure in the annular air bag is convenient to ensure and is always contacted with the inner side wall of a drill hole, the water seepage is further prevented from passing through the annular air bag, the air inlet pipe can conveniently absorb sufficient air into the annular air bag by arranging the water absorbing ball at the bottom end of the water absorbing pipe, the bottom end of the suction pipe can be quickly sucked to the underground water between the two annular air bags under the action of the balance weight of the suction ball.
The purpose of the invention can be realized by the following technical scheme:
a hydrogeology is with groundwater sampling device, includes the mount pad, the below of mount pad is provided with a plurality of telescopic links, two adjacent telescopic links detachable fixedly connected with water intaking bearing cover, the outside of water intaking bearing cover top and bottom all cup joints and is fixed with annular gasbag, the intermediate position fixedly connected with water intaking post in the water intaking bearing cover inside, the both sides of water intaking post and the inside that is located water intaking bearing cover have seted up column spout one and column spout two respectively, the inside of column spout one and column spout two is sliding connection respectively has two pistons one and piston two, it is fixed with the air supply pipe to communicate between column spout one and the annular gasbag, it is fixed with the inlet tube to communicate between column spout two and the water intaking post, the middle part of water intaking post rotates to peg graft and has the location axle, the both ends of location axle all fixedly connected with transmission shaft, the outer side of the transmission shaft is provided with a transmission part for driving the first piston and the second piston to move, connecting rods are arranged between the transmission part and the first piston at the corresponding position and the second piston at the corresponding position, one end of the transmission shaft, which is far away from the positioning shaft, is fixedly connected with a screw rod which is rotatably connected with the water taking bearing cover, two transmission shafts in the same water taking bearing cover are rotated by rotating the screw rod, as the transmission shafts are in a bending state, and a spherical block at the end part of each transmission shaft can only move in an arc-shaped groove at the corresponding position, the sleeve pipe drives the two transmission rods to reciprocate in the spherical grooves, under the transmission action of the connecting rods matched with the first spherical hinges and the second spherical hinges, the first two pistons and the second pistons synchronously reciprocate in the first columnar sliding grooves and the second columnar sliding grooves, when the first two pistons approach to each other and move, gas sucked into the first columnar sliding grooves by the air inlet pipe is conveyed into the annular air bag through the air inlet pipe, thereby make two annular gasbags that same water intaking bore the cover closely paste with the inside wall of drilling and lean on, prevent that the infiltration of the inside different degree of depth of drilling from flowing along the drilling inner wall, when two piston two are close to each other and remove, will absorb the infiltration of water of two the inside of columnar spout through the annular chamber of catchmenting of the defeated extrusion of water intaking post the inside by the pipe that absorbs water, and the water of collecting is the infiltration of separation between two annular gasbags, be favorable to improving the accuracy of sample water quality testing result, and piston one is gone on in step with the removal of piston two, realize the water intaking when the separation rivers are mobile, the water of the target depth of being convenient for sample.
Further, the method comprises the following steps: the utility model discloses a ground water collecting device, including the pole of being connected with the mount pad, the pole of being connected with the mount pad is connected with the bottom of telescopic link, the telescopic link is close to the tip of screw rod and all offers the screw hole of closing soon with the screw rod and being connected, the top of pole cup joints and is fixed with gear one, and the pole is convenient for the mount pad area pole of being convenient for and is rotated and make whole groundwater collection system function, and the pole is convenient for plug in underground earth the inside, plays the effect of support to a plurality of telescopic links and screw rod, the stable rotation of the screw rod of being convenient for, telescopic link and transmission shaft.
Further, the method comprises the following steps: the mounting seat comprises a first supporting plate, a gap of the first supporting plate is dragged by a bolt to be detachably and fixedly connected with a second supporting plate, a motor is fixedly embedded in the second supporting plate, an output end of the motor is fixedly connected with a second gear meshed with the first gear, two supporting legs are fixedly connected to the bottom surface of the first supporting plate, two supporting legs are fixedly connected to the bottom surface of the second supporting plate, the first supporting plate and the second supporting plate can be detachably connected, so that a shaft lever can be conveniently mounted on the mounting seat, and the motor can drive the shaft lever to rotate conveniently.
Further, the method comprises the following steps: the water taking bearing cover is characterized in that two pipe accommodating grooves I convenient for installation of the air supply pipe are formed in the water taking bearing cover, a pipe accommodating groove II convenient for installation of the water inlet pipe is formed in the water taking bearing cover, the air supply pipe and the water inlet pipe are connected in series to form a first electromagnetic valve, the air supply pipe conveniently supplies air to the annular air bag, the water inlet pipe conveniently supplies water to the water collecting column, and the first electromagnetic valve limits whether the air supply pipe and the water inlet pipe are in a communicated state or not, so that air supply and water supply are facilitated.
Further, the method comprises the following steps: the middle part intercommunication of column spout one is fixed with the intake pipe, the middle part intercommunication of column spout two is fixed with the pipe that absorbs water, and the bottom intercommunication that absorbs water the pipe has a straw ball, the intake pipe all establishes ties with the inside of the pipe that absorbs water has solenoid valve two, and through the one end with the intake pipe up, the intake pipe of being convenient for can inhale sufficient air admission annular gasbag, through the bottom mounting that absorbs water the pipe has the ball that absorbs water, makes the groundwater between two annular gasbags of can inhaling fast in the bottom of the pipe that absorbs water under the counter weight effect of the ball that absorbs water.
Further, the method comprises the following steps: the relief valve is installed in the outside of annular gasbag, the cavity is catchmented to the annular has been seted up to the inside of catchmenting the water column, the spliced eye of pegging graft is seted up at the middle part of catchmenting the water column with the location axle rotation, the interior bottom surface that the cavity was catchmented to the annular is installed the water pump, the output intercommunication of water pump is fixed with the drain pipe, the drain pipe deviates from the one end of water pump and runs through catchment water column and water intaking and bears the cover, and the relief valve is convenient for arrange the gas of annular gasbag the inside, makes things convenient for annular gasbag to shift out the drilling, and the annular catchments the cavity and is convenient for collect the water of gathering, is convenient for through opening the water pump and carries away the water of gathering through the drain pipe.
Further, the method comprises the following steps: the transmission shaft comprises a first connecting shaft, two ends of the first connecting shaft are fixedly connected with a second connecting shaft, one of the second connecting shaft is fixedly connected with the positioning shaft, the other of the second connecting shaft is fixedly connected with the screw rod at the corresponding position, and the first connecting shaft and the second connecting shaft are not in the same straight line with the positioning shaft, so that the whole transmission shaft is in a bent state, and the transmission shaft can conveniently drive the transmission rod on the sleeve to swing in the spherical groove.
Further, the method comprises the following steps: the transmission part comprises a sleeve rotatably sleeved with one connecting shaft, the outer side wall of the sleeve is fixedly connected with two transmission rods which are symmetrically distributed, one end of each transmission rod, which is far away from the sleeve, is rotatably connected with a spherical block which is in sliding connection with the water taking bearing cover, and the transmission shafts rotate to drive the sleeve to drive the two transmission rods to swing, so that the first piston and the second piston move.
Further, the method comprises the following steps: one end of the connecting rod is rotatably connected with the transmission rod at the corresponding position through a first ball hinge, and the first piston and the second piston are rotatably connected with the end part of the connecting rod, which deviates from the transmission rod, through a second ball hinge, so that the transmission rod can drive the first piston or the second piston to reciprocate when swinging.
Further, the method comprises the following steps: the top and the bottom that the cover was born in the water intaking all have been seted up and have been held transmission shaft pivoted ball-type groove, the arc wall that pastes with corresponding position ball-type piece slip is seted up in the both sides in ball-type groove and is leaned on, the water intaking bears the middle part of cover and has been seted up the column groove of being convenient for hold fixed water collecting column, and the ball-type groove satisfies the transmission shaft and rotates the demand, and the arc wall is convenient for restrict the transfer line and makes its swing, column groove easy to assemble water collecting column.
The invention has the beneficial effects that:
1. a first piston and a second piston are respectively connected in a sliding manner in a first cylindrical chute and a second cylindrical chute in a water taking bearing cover, a transmission shaft is respectively connected at the top and the bottom of the water taking bearing cover in a rotating manner, a first connecting shaft and a second connecting shaft on the transmission shaft are not in the same straight line with a positioning shaft, a sleeve is sleeved on the outer side wall of the first connecting shaft in a rotating manner, two transmission rods which are symmetrically distributed are fixedly connected to the outer side wall of the sleeve, a spherical block at the end part of each transmission rod slides in an arc-shaped groove on the water taking bearing cover in a limiting manner, the transmission rods are hinged with a connecting rod through a first spherical hinge, the first piston and the second piston are respectively connected with the end part of each connecting rod, which is far away from the connecting rod, through the second spherical hinge, the two transmission shafts in the same water taking bearing cover rotate by rotating a screw rod, and the transmission shafts are in a bending state, and the spherical blocks at the end parts of the transmission rods can only move in the arc-shaped grooves at corresponding positions, the transmission shaft rotates to enable the sleeve to drive the two transmission rods to swing in a reciprocating manner in the spherical groove, the first two pistons and the second two pistons synchronously slide in the first cylindrical sliding groove and the second cylindrical sliding groove in a reciprocating manner under the transmission action of the first connecting rod matched with the first spherical hinge and the second spherical hinge, when the first two pistons move close to each other, gas sucked into the first cylindrical sliding groove from the gas inlet pipe is conveyed into the annular gas bag through the gas supply pipe, so that the two annular gas bags on the same water taking bearing cover are tightly attached to the inner side wall of the drill hole, the water seepage at different depths in the drill hole is prevented from flowing along the inner wall of the drill hole, when the second two pistons move close to each other, the water sucked into the second cylindrical sliding groove from the water suction pipe is conveyed and extruded to the annular water collection cavity in the water collection column through the water inlet pipe to be collected, and the collected water is the water seepage blocked between the two annular gas bags, so that the accuracy of a water sampling quality detection result is improved, the first piston and the second piston move synchronously, so that water is taken while water flow is blocked, and water at a target depth can be sampled conveniently;
2. the screw rods are rotatably connected at the two ends of the water taking bearing cover, the screw rods can be detachably screwed and fixed with the telescopic rods at the corresponding positions, a proper number of telescopic rods can be selected according to the depth of water to be sampled, the depth which can be reached by the underground water sampling device can be changed, the underground water at different depths can be conveniently collected by the water taking bearing cover which is arranged on the telescopic rods in a matching way, the length of the telescopic rods can be adjusted, the water taking bearing cover can be conveniently and accurately moved to the position where water needs to be taken again, the water is convenient to take, the pressure relief valve is arranged on the outer side wall of the annular air bag, the stable air pressure in the annular air bag is convenient to ensure and is always contacted with the inner side wall of a drill hole, the water seepage is further prevented from passing through the annular air bag, the air inlet pipe can conveniently absorb sufficient air into the annular air bag by arranging the water absorbing ball at the bottom end of the water absorbing pipe, the bottom end of the suction pipe can be quickly sucked to the underground water between the two annular air bags under the action of the balance weight of the suction ball.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting base structure of the present invention;
FIG. 3 is an exploded view of the telescoping rod and shaft of the present invention;
FIG. 4 is a schematic view of the structure of the telescopic rod and the insertion rod of the present invention;
FIG. 5 is a schematic view of a water intake shroud of the present invention;
FIGS. 6-7 are schematic views of the internal structure of the intake cover of the present invention;
FIG. 8 is a cross-sectional view of a water intake shroud of the present invention;
FIG. 9 is a schematic view of the structure of a water collecting column according to the present invention;
FIG. 10 is an exploded view of the drive shaft and drive member of the present invention;
fig. 11 is an exploded view of the drive rod, connecting rod and piston of the present invention.
In the figure: 100. a mounting seat; 110. a first supporting plate; 120. a second supporting plate; 130. a motor; 200. a telescopic rod; 210. a shaft lever; 220. inserting a rod; 300. a water intake bearing cover; 310. a first columnar sliding chute; 311. a first piston; 312. an air supply pipe; 313. an air inlet pipe; 320. a second columnar sliding chute; 321. a second piston; 322. a water inlet pipe; 323. a suction pipe; 330. a first pipe accommodating groove; 340. a second pipe accommodating groove; 400. an annular air bag; 500. a water collecting column; 510. an annular water collection cavity; 520. inserting holes; 530. a drain pipe; 600. positioning the shaft; 610. a drive shaft; 611. a first connecting shaft; 612. a second connecting shaft; 620. a transmission member; 621. a sleeve; 622. a transmission rod; 623. a spherical block; 700. a connecting rod; 800. a screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. 1-11, a hydrogeology underground water sampling device includes an installation base 100, a plurality of telescopic rods 200 are disposed below the installation base 100, a water intake bearing cover 300 is detachably and fixedly connected between two adjacent telescopic rods 200, annular air bags 400 are fixedly sleeved on the top and bottom outer sides of the water intake bearing cover 300, a water collecting column 500 is fixedly connected to the middle position inside the water intake bearing cover 300, columnar sliding grooves one 310 and two columnar sliding grooves 320 are respectively formed in the two sides of the water collecting column 500 and inside the water intake bearing cover 300, two pistons one 311 and two pistons 321 are respectively and slidably connected inside the columnar sliding grooves one 310 and two columnar sliding grooves 320, an air supply pipe 312 is fixedly communicated between the columnar sliding grooves one 310 and the annular air bags 400, an air inlet pipe 322 is fixedly communicated between the columnar sliding grooves two 320 and the water collecting column 500, and a positioning shaft 600 is rotatably inserted in the middle of the water collecting column 500, both ends of the positioning shaft 600 are fixedly connected with transmission shafts 610, the outer sides of the transmission shafts 610 are provided with transmission members 620 used for driving the first pistons 311 and the second pistons 321 to move, connecting rods 700 are arranged between the transmission members 620 and the first pistons 311 and the second pistons 321 at corresponding positions, and one ends of the transmission shafts 610 departing from the positioning shaft 600 are fixedly connected with screws 800 rotatably connected with the water taking bearing cover 300;
the two transmission shafts 610 in the same water intaking bearing cover 300 are rotated by rotating the screw 800, because the transmission shafts 610 are in a bent state, and the spherical blocks 623 at the end parts of the transmission rods 622 can only move in the arc-shaped grooves at the corresponding positions, the transmission shafts 610 rotate to enable the sleeve 621 to drive the two transmission rods 622 to swing in a reciprocating manner in the spherical grooves, under the transmission action of the connecting rod 700 matched with the first ball hinge and the second ball hinge, the first piston 311 and the second piston 321 synchronously slide in the first cylindrical sliding groove 310 and the second cylindrical sliding groove 320 in a reciprocating manner, when the first pistons 311 move close to each other, gas sucked into the first cylindrical sliding groove 310 from the gas inlet pipe 313 is conveyed into the annular gas bags 400 through the gas supply pipe 312, so that the two annular gas bags 400 on the same water intaking bearing cover 300 are tightly attached to the inner side walls of the drill holes, and the seepage water at different depths in the drill holes are prevented from flowing along the inner walls of the drill holes, when the two pistons 321 move close to each other, water sucked into the two cylindrical sliding chutes 320 by the water suction pipe 323 is conveyed and extruded to the annular water collecting cavity 510 in the water collecting column 500 through the water inlet pipe 322 to be collected, the collected water is separated water seepage between the two annular air bags 400, the accuracy of a water sampling quality detection result is improved, the first piston 311 and the second piston 321 move synchronously, water is taken while separated water flow is achieved, and water at a target depth is sampled conveniently.
The top end of one telescopic rod 200 is connected with a shaft rod 210 which is rotatably connected with the mounting seat 100 in a screwing mode, the bottom end of one telescopic rod 200 is connected with an inserting rod 220 in a rotating mode, threaded holes which are rotatably connected with the screw rod 800 are formed in the end portion, close to the screw rod 800, of the telescopic rod 200, the top of the shaft rod 210 is fixedly connected with a first gear in a sleeved mode, the shaft rod 210 facilitates the mounting seat 100 to drive the shaft rod 210 to rotate so that the whole underground water collecting device can operate, the inserting rod 220 facilitates the inserting connection into underground soil, the telescopic rods 200 and the screw rod 800 are supported, and the screw rod 800, the telescopic rods 200 and the transmission shaft 610 can rotate stably; the mounting seat 100 comprises a first supporting plate 110, a gap of the first supporting plate 110 is dragged by a bolt to detach a second supporting plate 120 fixedly connected with, a motor 130 is fixed in the second supporting plate 120, an output end of the motor 130 is fixedly connected with a second gear meshed with the first gear, two supporting legs I fixedly connected with the bottom surface of the first supporting plate 110, two supporting legs II fixedly connected with the bottom surface of the second supporting plate 120, the first supporting plate 110 and the second supporting plate 120 are detachably connected, and the shaft rod 210 is mounted on the mounting seat 100 conveniently, and the motor 130 can drive the shaft rod 210 to rotate conveniently.
The inside of the water taking bearing cover 300 is provided with two pipe accommodating grooves I330 which are convenient for installing the air feeding pipe 312, the inside of the water taking bearing cover 300 is provided with a pipe accommodating groove II 340 which is convenient for installing the water inlet pipe 322, the insides of the air feeding pipe 312 and the water inlet pipe 322 are both connected in series with a first electromagnetic valve, the air feeding pipe 312 conveniently feeds air into the annular air bag 400, the water inlet pipe 322 conveniently feeds water into the water collecting column 500, and the first electromagnetic valve limits whether the air feeding pipe 312 and the water inlet pipe 322 are in a communicated state or not, so that air feeding and water feeding are convenient; an air inlet pipe 313 is fixedly communicated with the middle of the first columnar chute 310, a water suction pipe 323 is fixedly communicated with the middle of the second columnar chute 320, a suction pipe ball is communicated with the bottom end of the water suction pipe 323, a second electromagnetic valve is connected in series with the inside of the air inlet pipe 313 and the water suction pipe 323, one end of the air inlet pipe 313 faces upwards, the air inlet pipe 313 can suck sufficient air into the annular air bags 400 conveniently, the water suction ball is fixedly arranged at the bottom end of the water suction pipe 323, and the bottom end of the water suction pipe 323 can quickly suck underground water between the two annular air bags 400 under the action of a balance weight of the water suction ball.
A pressure release valve is installed on the outer side of the annular air bag 400, an annular water collecting cavity 510 is formed in the water collecting column 500, an inserting hole 520 which is rotatably inserted into the positioning shaft 600 is formed in the middle of the water collecting column 500, a water pump is installed on the inner bottom surface of the annular water collecting cavity 510, a water discharging pipe 530 is fixedly communicated with the output end of the water pump, one end, away from the water pump, of the water discharging pipe 530 penetrates through the water collecting column 500 and the water taking bearing cover 300, the pressure release valve facilitates discharging of gas in the annular air bag 400, the annular air bag 400 can be conveniently moved out of a drilled hole, the annular water collecting cavity 510 facilitates collection of collected water, and the collected water can be conveniently conveyed out through the water discharging pipe 530 by starting the water pump; the transmission shaft 610 comprises a first connection shaft 611, two ends of the first connection shaft 611 are fixedly connected with a second connection shaft 612, one second connection shaft 612 is fixedly connected with the positioning shaft 600, the other second connection shaft 612 is fixedly connected with the screw 800 at the corresponding position, and the first connection shaft 611 and the second connection shaft 612 are not in the same straight line with the positioning shaft 600, so that the whole transmission shaft 610 is in a bent state, and the transmission shaft 610 with the transmission rod 622 on the sleeve 621 can swing in the spherical groove conveniently.
The transmission part 620 comprises a sleeve 621 rotatably sleeved with the first connecting shaft 611, the outer side wall of the sleeve 621 is fixedly connected with two symmetrically distributed transmission rods 622, one end of each transmission rod 622, which is far away from the sleeve 621, is rotatably connected with a spherical block 623 in sliding connection with the water taking bearing cover 300, and the transmission shaft 610 rotates to enable the sleeve 621 to drive the two transmission rods 622 to swing so as to realize the movement of the first piston 311 and the second piston 321; one end of the connecting rod 700 is rotatably connected with the transmission rod 622 at the corresponding position through a first ball hinge, and the first piston 311 and the second piston 321 are both rotatably connected with the end of the connecting rod 700 away from the transmission rod 622 through a second ball hinge, so that the transmission rod 622 can swing to enable the connecting rod 700 to drive the first piston 311 or the second piston 321 to reciprocate; the top and the bottom of water intaking bearing cover 300 have all been seted up and have been held transmission shaft 610 pivoted spherical groove, and the arc wall that slides with corresponding position ball type piece 623 and paste is seted up to the both sides in spherical groove, and the middle part of water intaking bearing cover 300 is seted up and is convenient for hold the column groove of fixed water collecting column 500, and the spherical groove satisfies transmission shaft 610 and rotates the demand, and the arc wall is convenient for restrict the transfer line 622 and make its swing, and column groove is easy to assemble water collecting column 500.
The working principle is as follows: when the underground water sampling device is used, the depth of underground water is collected according to needs, the telescopic rods 200 with the proper quantity are selected, the water taking bearing covers 300 with the proper quantity are selected according to the position quantity of the collected water, the water taking bearing covers 300 are fixedly connected with the telescopic rods 200, namely, the screw rods 800 at two ends of the water taking bearing covers 300 are screwed into the threaded holes of the telescopic rods 200 at the corresponding positions, the shaft rod 210 is fixed at the top end of the top telescopic rod 200, the inserting rod 220 is fixed at the bottom end of the telescopic rod 200 at the lowest end, a water sampling hole is drilled on the ground by using external drilling equipment, water in the drilled hole is firstly pumped out by using a water pump and a water pipe, when no water exists in the drilled hole, the installed underground water sampling device is placed in the drilled hole, the shaft rod 210 is placed between the first supporting plate 110 and the second supporting plate 120, the first supporting plate 110 is fixed on the second supporting plate 120 by using bolts, and the first gear on the shaft rod 210 is meshed with the second gear at the output end of the motor 130, starting the motor 130 to drive the motor 130 to rotate with the shaft rod 210, the shaft rod 210 drives the expansion link 200 fixedly connected with the shaft rod 210 to rotate, and the expansion link 200 drives the screw rod 800 to rotate, so that the transmission shafts 610 and the positioning shafts 600 in the water taking bearing covers 300 synchronously rotate;
the first connecting shaft 611 and the second connecting shaft 612 on the transmission shaft 610 are not in the same straight line with the positioning shaft 600 and the screw 800, when the transmission shaft 610 rotates, the transmission rod 622 is driven by the sleeve 621 to swing on the outer side of the transmission shaft 610, the spherical block 623 at the end of the transmission rod 622 slides in the arc-shaped groove at the corresponding position, the first piston 311 and the second piston 321 synchronously slide in the first cylindrical sliding groove 310 and the second cylindrical sliding groove 320 in a reciprocating manner under the transmission action of the first connecting rod 700 matched with the first spherical hinge and the second spherical hinge, when the first pistons 311 move close to each other, the gas sucked into the first cylindrical sliding groove 310 from the gas inlet pipe 313 is conveyed into the annular gas bag 400 through the gas supply pipe 312, so that the two annular gas bags 400 on the same water taking bearing cover 300 are tightly attached to the inner side wall of the drilled hole, when the gas pressure inside the annular gas bags 400 is higher, the gas is automatically discharged without sealing through the pressure release valve on the annular gas bag 400, the annular air bag 400 is always kept in contact with the inner side wall of the drilled hole, the second electromagnetic valve in the air inlet pipe 313 is opened when the air inlet pipe 313 sucks air, the first electromagnetic valve on the air feeding pipe 312 is closed, and on the contrary, the second electromagnetic valve on the air inlet pipe 313 is closed and the first electromagnetic valve on the air feeding pipe 312 is opened when the air is conveyed through the air inlet pipe 313;
when water seepage exists between the two annular air bags 400, at the moment, when the two pistons 321 deviate from each other to move, the second electromagnetic valve on the water suction pipe 323 is opened to suck outside water between the two pistons 321, then when the two pistons 321 move close to each other, the second electromagnetic valve on the water suction pipe 323 is closed, the first electromagnetic valve on the water inlet pipe 322 is opened, the two pistons 321 convey the water into the annular water collecting cavity 510 in the water collecting column 500 through the water inlet pipe 322 to be collected, after the water is collected and accumulated, a part of gas in the annular air bags 400 is discharged through the pressure release valves, the underground water sampling device is moved out of the drilled hole, the water taking bearing cover 300 can be separated from the telescopic rod 200, and the collected underground water is discharged through the water discharge pipe 530 to be detected by opening the water pump in the annular water collecting cavity 510.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (10)
1. The utility model provides a groundwater sampling device for hydrogeology, includes mount pad (100), its characterized in that, the below of mount pad (100) is provided with a plurality of telescopic links (200), adjacent two removable fixedly connected with water intaking bears cover (300) between telescopic link (200), the outside of water intaking bears cover (300) top and bottom all cup joints and is fixed with annular gasbag (400), the inside intermediate position fixedly connected with water collecting column (500) of water intaking bears cover (300), the both sides of water collecting column (500) and the inside that is located water intaking bears cover (300) have seted up column spout one (310) and column spout two (320) respectively, the inside of column spout one (310) and column spout two (320) is sliding connection respectively has two piston one (311) and piston two (321), it is fixed with air supply pipe (312) to communicate between column spout one (310) and the annular gasbag (400), the intercommunication is fixed with inlet tube (322) between two (320) of column spout and water collection post (500), the middle part of water collection post (500) is rotated and is pegged graft and has location axle (600), the equal fixedly connected with transmission shaft (610) in both ends of location axle (600), the outside of transmission shaft (610) is provided with driving medium (620) that are used for driving piston (311) and piston two (321) and remove, driving medium (620) with correspond position piston (311) and correspond and all be provided with connecting rod (700) between position piston two (321), transmission shaft (610) deviates from one end fixedly connected with of location axle (600) and water intaking bearing cover (300) and rotate screw rod (800) of being connected.
2. The groundwater sampling device for hydrogeology according to claim 1, wherein, the top of one telescopic link (200) closes soon to be connected with axostylus axostyle (210) of being connected with mount pad (100) rotation, the bottom of one telescopic link (200) rotates to be connected with inserted bar (220), the tip that the telescopic link (200) is close to screw rod (800) all is seted up the screw hole of being connected with screw rod (800) closure, the top cover of axostylus axostyle (210) is fixed with gear one.
3. The groundwater sampling device according to claim 1, wherein the mounting seat (100) comprises a first supporting plate (110), a second supporting plate (120) is detachably and fixedly connected to a gap of the first supporting plate (110) through a bolt, a motor (130) is fixedly embedded in the second supporting plate (120), a second gear in meshing transmission with the first gear is fixedly connected to an output end of the motor (130), two first supporting legs are fixedly connected to the bottom surface of the first supporting plate (110), and a second supporting leg is fixedly connected to the bottom surface of the second supporting plate (120).
4. The groundwater sampling device according to claim 1, wherein the water intake bearing cover (300) is internally provided with a first pipe accommodating groove (330) for conveniently installing an air supply pipe (312), the water intake bearing cover (300) is internally provided with a second pipe accommodating groove (340) for conveniently installing a water inlet pipe (322), and the air supply pipe (312) and the water inlet pipe (322) are internally connected in series with a first electromagnetic valve.
5. The groundwater sampling device for hydrogeology according to claim 1, characterized in that the middle of the first cylindrical chute (310) is fixedly communicated with an air inlet pipe (313), the middle of the second cylindrical chute (320) is fixedly communicated with a water suction pipe (323), the bottom end of the water suction pipe (323) is fixedly communicated with a water suction ball, and the insides of the air inlet pipe (313) and the water suction pipe (323) are both connected in series with a second electromagnetic valve.
6. The underground water sampling device for hydrogeology according to claim 1, characterized in that, the relief valve is installed in the outside of annular gasbag (400), annular water collection chamber (510) has been seted up to the inside of water collection post (500), spliced eye (520) of pegging graft is seted up with location axle (600) rotation in the middle part of water collection post (500), the interior bottom surface mounting of annular water collection chamber (510) has the water pump, the output intercommunication of water pump is fixed with drain pipe (530), drain pipe (530) deviate from the one end that deviates from the water pump and run through water collection post (500) and water intaking bearing cover (300).
7. The groundwater sampling device according to claim 1, wherein the transmission shaft (610) comprises a first connecting shaft (611), two ends of the first connecting shaft (611) are fixedly connected with a second connecting shaft (612), one second connecting shaft (612) is fixedly connected with the positioning shaft (600), and the other second connecting shaft (612) is fixedly connected with the screw (800) at the corresponding position.
8. The groundwater sampling device for hydrogeology according to claim 1, characterized in that transmission piece (620) includes a sleeve pipe (621) rotatably sleeved with a first connecting shaft (611), the outer side wall of sleeve pipe (621) is fixedly connected with two symmetrically distributed transmission rods (622), and one end of transmission rod (622) departing from sleeve pipe (621) is rotatably connected with a spherical block (623) slidably connected with water intaking bearing cover (300).
9. The groundwater sampling device for hydrogeology according to claim 1, characterized in that one end of the connecting rod (700) is rotatably connected with the transmission rod (622) at the corresponding position through a first ball hinge, and the first piston (311) and the second piston (321) are both rotatably connected with the end of the connecting rod (700) departing from the transmission rod (622) through a second ball hinge.
10. The groundwater sampling device according to claim 1, wherein the top and the bottom of the water intaking bearing cover (300) are both provided with spherical grooves for accommodating rotation of the transmission shaft (610), the two sides of each spherical groove are provided with arc-shaped grooves for sliding and abutting against the corresponding spherical blocks (623), and the middle of the water intaking bearing cover (300) is provided with a cylindrical groove for accommodating the fixed water collecting column (500).
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| CN114624066A (en) * | 2022-05-16 | 2022-06-14 | 北京高能时代环境技术股份有限公司 | Underground water layered sampling device and method |
| CN114814147A (en) * | 2022-06-30 | 2022-07-29 | 江苏航运职业技术学院 | Underground water quality periodic variation intelligent analysis system and water quality measuring device |
| CN115387404A (en) * | 2022-08-29 | 2022-11-25 | 中煤长江基础建设有限公司 | Concrete liquid level height detection device and detection method for cast-in-place pile |
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| CN117109984A (en) * | 2023-07-28 | 2023-11-24 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
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| CN114624066A (en) * | 2022-05-16 | 2022-06-14 | 北京高能时代环境技术股份有限公司 | Underground water layered sampling device and method |
| CN114814147A (en) * | 2022-06-30 | 2022-07-29 | 江苏航运职业技术学院 | Underground water quality periodic variation intelligent analysis system and water quality measuring device |
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| CN116296607A (en) * | 2022-12-01 | 2023-06-23 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Sampler for ground water in field environment investigation |
| CN116296607B (en) * | 2022-12-01 | 2023-11-14 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Sampler for ground water in field environment investigation |
| CN117109984A (en) * | 2023-07-28 | 2023-11-24 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
| CN117109984B (en) * | 2023-07-28 | 2024-02-06 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
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