CN114166569B - Groundwater sampling device for hydrogeology - Google Patents
Groundwater sampling device for hydrogeology Download PDFInfo
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- CN114166569B CN114166569B CN202111571006.0A CN202111571006A CN114166569B CN 114166569 B CN114166569 B CN 114166569B CN 202111571006 A CN202111571006 A CN 202111571006A CN 114166569 B CN114166569 B CN 114166569B
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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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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of groundwater sampling, in particular to a groundwater 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 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 to the middle position inside the water taking bearing cover. According to the invention, the gas in the columnar sliding groove I is conveyed into the annular air bags through the gas conveying pipe by the mutual approaching movement of the two pistons I, the two annular air bags are closely attached to the inner side wall of the drill hole, water seepage of different depths inside the drill hole is prevented from flowing along the inner wall of the drill hole, the water in the columnar sliding groove II is conveyed and extruded into the water collecting column through the water inlet pipe by the mutual approaching movement of the two pistons II, the collected water is water seepage blocked between the two annular air bags, and the accuracy of the quality detection result of the sampled water is improved.
Description
Technical Field
The invention relates to the technical field of groundwater sampling, in particular to a groundwater sampling device for hydrogeology.
Background
Groundwater is an important component of water resources, underground water needs to be sampled when formation, migration and evolution of groundwater are researched, a drilling hole is generally formed in the ground, water with different depths is collected through a water pump and a water pipe after water permeates into the drilling hole, water with different depths flows to the bottom of the drilling hole along the inner side wall of the drilling hole in the process of drilling hole and after the drilling hole is finished, water collected by the water pipe can not accurately replace sample water at a certain position in the ground at the moment, so that the result of quality detection of the groundwater in the later stage is influenced, the water pipe is used for collecting water frequently, the bottom end of the water pipe is not easy to accurately move to the depth of the sampling position for collecting water, and the efficiency of groundwater sampling is influenced.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide the groundwater sampling device for hydrogeology, which is characterized in that a first piston and a second piston are respectively and slidingly connected in a first columnar chute and a second columnar chute in a water taking bearing cover, a transmission shaft is rotationally connected at the top and the bottom of the water taking bearing cover, 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 rotationally sleeved on the outer side wall of the first connecting shaft, two symmetrically distributed transmission rods are fixedly connected with the outer side wall of the sleeve, spherical blocks at the end parts of the transmission rods are in limit sliding in arc grooves on the water taking bearing cover, the transmission rods are hinged with connecting rods through first spherical hinges, the first piston and the second piston are rotationally connected with the end parts of the connecting rods, which deviate from the connecting rods, through second spherical hinges, the transmission shaft is in a bending state, the spherical blocks at the end parts of the transmission rods can only move in the arc grooves at the corresponding positions, the transmission shaft rotates to enable the sleeve to drive the two transmission rods to swing back and forth in the spherical grooves, the two pistons I and the two pistons II synchronously slide back and forth in the columnar sliding groove I and the columnar sliding groove II under the transmission action of the connecting rod matched with the spherical hinge I and the spherical hinge II, when the two pistons I move close to each other, the gas sucked into the columnar sliding groove I by the gas inlet pipe is conveyed into the annular air bag through the gas supply pipe, so that the two annular air bags on the same water taking bearing cover are tightly attached to the inner side walls of the drill holes to prevent water seepage of different depths inside the drill holes from flowing along the inner walls of the drill holes, the water sucked into the second columnar chute 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 collect the water, the collected water is water seepage blocked between the two annular air bags, the accuracy of the detection result of the quality of the sampled water is improved, the movement of the first piston and the movement of the second piston are synchronously carried out, the water is taken while the water flow is blocked, and the water with the target depth is sampled conveniently;
through all rotating at the both ends that the water intaking bears the cover and be connected with the screw rod, the screw rod can be fixed with corresponding position telescopic link detachable spin, can be according to the degree of depth of waiting to take a sample the water, select the telescopic link of suitable quantity, realize changing the degree of depth that this groundwater sampling device can reach, the water intaking that the cooperation was installed on the telescopic link bears the cover and conveniently gather the groundwater of different degree of depths, and telescopic link self also can adjust length, be convenient for bear the cover accurate removal to the position that needs the water intaking again, the convenience intaking, through installing the relief valve at annular gasbag's lateral wall, be convenient for guarantee annular gasbag inside atmospheric pressure stability, still contact with the inside wall of drilling, further prevent the infiltration through annular gasbag, be convenient for the intake pipe can inhale sufficient air and get into annular gasbag through the one end with the intake pipe, be fixed with the ball that absorbs water in the bottom of water pipe, make the bottom of water pipe can inhale the groundwater between two annular gasbags fast under the counter weight effect of ball that absorbs water.
The aim of the invention can be achieved by the following technical scheme:
the underground water sampling device for hydrogeology comprises a mounting seat, a plurality of telescopic rods are arranged below the mounting seat, water taking bearing covers are detachably and fixedly connected between two adjacent telescopic rods, annular air bags are fixedly sleeved at the outer sides of the top and the bottom of the water taking bearing covers, water collecting columns are fixedly connected at the middle positions inside the water taking bearing covers, a columnar sliding groove I and a columnar sliding groove II are respectively formed in the water collecting columns, two pistons I and two pistons II are respectively and slidably connected in the columnar sliding groove I and the columnar sliding groove II, an air supply pipe is fixedly connected between the columnar sliding groove I and the annular air bags in a communicating manner, a water inlet pipe is fixedly connected between the columnar sliding groove II and the water collecting columns in a communicating manner, a positioning shaft is rotatably inserted in the middle of the water collecting columns, transmission shafts are fixedly connected with transmission shafts at the two ends of the positioning shafts, connecting rods are arranged on the outer sides of the transmission shafts and are used for driving the piston I and the piston II to move, a connecting rod is arranged between the transmission member and the piston II at the corresponding position, one end of the transmission shaft, which is far away from the positioning shafts, is fixedly connected with one end of the first spherical sliding groove I and the piston II and the corresponding to the piston II, and the spherical sliding groove II are in a rotating manner, and the two spherical sliding grooves are in a reciprocating manner and can only can rotate in the two spherical sliding grooves are in the two spherical sliding grooves and the two spherical sliding grooves are in the same, and the two spherical sliding grooves are in the two end bodies are in the corresponding transmission grooves are in the corresponding sliding grooves are in the two sliding grooves are in the corresponding driving directions, and the two spherical sliding grooves are in the two sliding grooves are in the corresponding directions are in the two, and the two in the corresponding directions are in the corresponding to and the corresponding to the two, and the, the gas sucked into the first columnar chute by the gas inlet pipe is conveyed into the annular air bags through the gas supply pipe, so that the two annular air bags on the same water taking bearing cover are closely attached to the inner side wall of the drilled hole, water seepage of different depths inside the drilled hole is prevented from flowing along the inner wall of the drilled hole, when two pistons are mutually close to each other and move, water sucked into the second columnar chute 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 collect, and the collected water is water seepage blocked between the two annular air bags, thereby being beneficial to improving the accuracy of a detection result of sampling water quality, and the movement of the first piston and the second piston is synchronous, realizing water taking while blocking water flow, and facilitating sampling of water of a target depth.
The method is further characterized in that: wherein, one the top of telescopic link is rotated and is closed the axostylus axostyle that is connected with the mount pad rotation, one the bottom of telescopic link is rotated and is connected with the inserted bar, the tip that the telescopic link is close to the screw rod has all been seted up and is rotated the screw hole of closing with the screw rod and be connected, gear one has been cup jointed at the top of axostylus axostyle, and the axostylus axostyle is convenient for the mount pad to rotate and makes whole groundwater collection system function, and the inserted bar is convenient for insert to underground earth the inside, plays the effect of supporting a plurality of telescopic links and screw rods, the rotation of the screw rod of being convenient for, telescopic link and transmission shaft stability.
The method is further characterized in that: the mounting seat comprises a first supporting plate, a second supporting plate is detachably and fixedly connected to the notch position of the first supporting plate through a bolt, a motor is fixedly embedded in the second supporting plate, the output end of the motor is fixedly connected with a second gear which is meshed with the first gear, two first supporting legs are fixedly connected to the bottom surface of the first supporting plate, second supporting legs are fixedly connected to the bottom surface of the second supporting plate, the first supporting plate and the second supporting plate are detachably connected, and the shaft rod is conveniently mounted on the mounting seat, so that the motor can conveniently rotate with the shaft rod.
The method is further characterized in that: the water taking bearing cover is internally provided with two first containing grooves which are convenient for installing the air supply pipe, the water taking bearing cover is internally provided with second containing grooves which are convenient for installing the water inlet pipe, the air supply pipe and the water inlet pipe are both connected in series with the first electromagnetic valve, the air supply pipe is convenient for supplying air into the annular air bag, the water inlet pipe is convenient for supplying water into the water collecting column, and the first electromagnetic valve limits whether the air supply pipe and the water inlet pipe are in a communicating state or not, so that air supply and water supply are facilitated.
The method is further characterized in that: 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 water suction pipe, and the bottom intercommunication of water suction pipe has the straw ball, the intake pipe all establishes ties with the inside of water suction pipe has solenoid valve two, through the one end with the intake pipe upwards, and the intake pipe of being convenient for can inhale sufficient air and get into annular gasbag, through the bottom mounting at the water suction pipe has the ball of absorbing water, makes the bottom of water suction pipe can inhale the groundwater between two annular gasbags fast under the counter weight effect of ball of absorbing water.
The method is further characterized in that: the utility model discloses a water collecting device, including annular gasbag, water collecting column, water pump, relief valve, connecting rod, water pump, connecting rod and connecting rod, the relief valve is installed in the outside of annular gasbag, annular water collecting cavity has been seted up to the inside of water collecting column, the spliced eye that rotates with the locating shaft is seted up at the middle part of water collecting column, the water pump is installed to the interior bottom surface of annular water collecting cavity, the output intercommunication of water pump is fixed with the drain pipe, the drain pipe deviates from the one end that deviates from the water pump and runs through water collecting column and water intaking and bear the cover, and the relief valve is convenient for drain the gas of annular gasbag the inside, makes things convenient for annular gasbag to shift out the drilling, and annular water collecting cavity is convenient for collect the water, is convenient for to carry away collected water through the drain pipe through opening the water pump.
The method is further characterized in that: the transmission shaft comprises a first connecting shaft, two ends of the first connecting shaft are fixedly connected with a second connecting shaft, one connecting shaft is fixedly connected with a positioning shaft, the other connecting shaft is fixedly connected with a screw rod at a corresponding position, the first connecting shaft and the second connecting shaft are not in the same straight line with the positioning shaft, the whole transmission shaft is in a bending state, and the transmission shaft can conveniently swing in a spherical groove with a transmission rod on a sleeve.
The method is further characterized in that: the transmission piece comprises a sleeve which is rotationally sleeved with the connecting shaft, two symmetrically distributed transmission rods are fixedly connected to the outer side wall of the sleeve, one end of each transmission rod, deviating from the sleeve, is rotationally connected with a spherical block which is slidably connected with the water taking bearing cover, and the transmission shaft rotates to enable the sleeve to swing with the two transmission rods, so that the first piston and the second piston can move.
The method is further characterized in that: one end of the connecting rod is rotationally connected with the transmission rod at the corresponding position through the first ball hinge, and the first piston and the second piston are rotationally connected with the end part of the connecting rod, which is away from the transmission rod, through the second ball hinge, so that the transmission rod swings to enable the connecting rod to carry the first piston or the second piston to reciprocate.
The method is further characterized in that: the top and the bottom of water intaking bearing cover all have been seted up and have been held transmission shaft pivoted ball-type groove, the arc wall that leans on with corresponding position ball-type piece slip is seted up to ball-type groove's both sides, the water intaking bearing cover's middle part has been seted up and has been convenient for hold the column groove of fixed water collecting column, and the ball-type groove satisfies transmission shaft rotation demand, and the arc wall is convenient for restrict the transfer line and makes its swing, and column groove installs the water collecting column conveniently.
The invention has the beneficial effects that:
1. the cylindrical chute I and the cylindrical chute II in the water taking bearing cover are respectively and slidably connected with a piston I and a piston II, the top and the bottom of the water taking bearing cover are respectively and rotatably connected with a transmission shaft, the first connecting shaft and the second connecting shaft on the transmission shafts are not in the same straight line with the positioning shaft, the outer side wall of the first connecting shaft is rotatably sleeved with a sleeve, the outer side wall of the sleeve is fixedly connected with two symmetrically distributed transmission rods, spherical blocks at the end parts of the transmission rods are in limit sliding in arc grooves on the water taking bearing cover, the transmission rods are hinged with connecting rods through spherical hinges I, the piston I and the piston II are rotatably connected with the end parts of the connecting rods, which deviate from the connecting rods, the transmission shafts rotate the two transmission shafts in the same water taking bearing cover, because the transmission shafts are in a bending state, the spherical blocks at the end parts of the transmission rods can only move in the arc grooves at corresponding positions, the transmission shaft rotates to enable the sleeve to drive the two transmission rods to swing reciprocally in the spherical groove, the two pistons I and the two pistons II synchronously slide reciprocally in the columnar sliding groove I and the columnar sliding groove II under the transmission action of the connecting rod matched with the spherical hinge I and the spherical hinge II, when the two pistons I move close to each other, the gas sucked into the columnar sliding groove I by the gas inlet pipe is conveyed into the annular air bag through the gas supply pipe, so that the two annular air bags on the same water taking bearing cover are closely abutted with the inner side wall of the drilling hole to prevent water seepage of different depths inside the drilling hole from flowing along the inner wall of the drilling hole, when the two pistons II move close to each other, the water sucked into the columnar sliding groove II by the water suction pipe is conveyed and extruded into the annular water collecting cavity inside the water collecting column through the water inlet pipe to collect, and the collected water is water seepage blocked between the two annular air bags, the accuracy of the detection result of the quality of the sampled water is improved, the movement of the first piston and the movement of the second piston are synchronously carried out, water is taken while the water flow is blocked, and the water with the target depth is sampled conveniently;
2. through all rotating at the both ends that the water intaking bears the cover and be connected with the screw rod, the screw rod can be fixed with corresponding position telescopic link detachable spin, can be according to the degree of depth of waiting to take a sample the water, select the telescopic link of suitable quantity, realize changing the degree of depth that this groundwater sampling device can reach, the water intaking that the cooperation was installed on the telescopic link bears the cover and conveniently gather the groundwater of different degree of depths, and telescopic link self also can adjust length, be convenient for bear the cover accurate removal to the position that needs the water intaking again, the convenience intaking, through installing the relief valve at annular gasbag's lateral wall, be convenient for guarantee annular gasbag inside atmospheric pressure stability, still contact with the inside wall of drilling, further prevent the infiltration through annular gasbag, be convenient for the intake pipe can inhale sufficient air and get into annular gasbag through the one end with the intake pipe, be fixed with the ball that absorbs water in the bottom of water pipe, make the bottom of water pipe can inhale the groundwater between two annular gasbags fast under the counter weight effect of ball that absorbs water.
Drawings
The invention is further described below 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 a mounting base structure according to the present invention;
FIG. 3 is an exploded view of the telescopic rod and shaft of the present invention;
FIG. 4 is a schematic view of the telescopic rod and the plunger according to the present invention;
FIG. 5 is a schematic view of a water intake carrying cover structure in the present invention;
FIGS. 6-7 are schematic views of the internal structure of the water intake carrying cover in the present invention;
FIG. 8 is a cross-sectional view of the water intake carrying cap of the present invention;
FIG. 9 is a schematic view of the structure of a water collecting column in the invention;
FIG. 10 is an exploded view of a drive shaft and a 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 base; 110. a first supporting plate; 120. a second supporting plate; 130. a motor; 200. a telescopic rod; 210. a shaft lever; 220. a rod; 300. a water intake carrying cover; 310. a column-shaped chute I; 311. a first piston; 312. an air supply pipe; 313. an air inlet pipe; 320. a columnar sliding groove II; 321. a second piston; 322. a water inlet pipe; 323. a water suction pipe; 330. a first pipe containing groove; 340. a second pipe containing groove; 400. an annular air bag; 500. a water collecting column; 510. an annular water collecting cavity; 520. a plug hole; 530. a drain pipe; 600. positioning a shaft; 610. a transmission 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. and (3) a screw.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, an underground water sampling device for hydrogeology includes a mounting seat 100, a plurality of telescopic rods 200 are arranged below the mounting seat 100, a water intake bearing cover 300 is detachably and fixedly connected between two adjacent telescopic rods 200, an annular air bag 400 is fixedly sleeved at the outer sides of the top and the bottom of the water intake bearing cover 300, a water collecting column 500 is fixedly connected at the middle position inside the water intake bearing cover 300, a first columnar chute 310 and a second columnar chute 320 are respectively arranged at two sides of the water collecting column 500 and inside the water intake bearing cover 300, two first pistons 311 and a second piston 321 are respectively connected in a sliding manner inside the first columnar chute 310 and the second columnar chute 320, an air supply pipe 312 is fixedly connected between the first columnar chute 310 and the annular air bag 400, a water inlet pipe 322 is fixedly connected between the second columnar chute 320 and the water collecting column 500, a positioning shaft 600 is rotatably inserted in the middle of the water collecting column 500, a transmission member 620 for driving the first piston 311 and the second piston 321 is arranged at the outer side of the transmission shaft 610, and one end of the transmission shaft 620, which is far away from the positioning shaft 600 is fixedly connected with one end of the transmission shaft 600, which is rotatably connected with the positioning shaft 600, and is arranged between the first piston 311 and the second piston 321;
the two transmission shafts 610 in the same water taking bearing cover 300 are rotated through the rotating screw 800, the transmission shafts 610 are in a bending state, the spherical blocks 623 at the end parts of the transmission rods 622 can only move in the arc grooves at corresponding positions, the transmission shafts 610 rotate to enable the sleeve 621 to drive the two transmission rods 622 to swing back and forth in the arc grooves, the two pistons 311 and the two pistons 321 synchronously slide back and forth in the cylindrical sliding groove 310 and the cylindrical sliding groove 320 under the transmission action of the connecting rods 700 matched with the spherical hinges I and the spherical hinges II, when the two pistons 311 move close to each other, gas sucked into the cylindrical sliding groove 310 by the air inlet pipe 313 is conveyed into the annular air bags 400 through the air supply pipe 312, so that the two annular air bags 400 on the same water taking bearing cover 300 are tightly attached to the inner side walls of the drill holes, water seepage of different depths inside the drill holes is 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 cylindrical sliding groove 320 by the water suction pipe 323 is conveyed and extruded to the annular water collecting cavity 510 in the cylindrical sliding groove 500 through the water inlet pipe 322, and the collected water is the annular air collecting cavity 510 between the two annular air bags 400, the collected water is detected by the two pistons 400, water seepage detection quality is improved, and the water seepage quality is guaranteed, and the water seepage is synchronously detected by the pistons.
The top end of one telescopic rod 200 is rotatably connected with a shaft lever 210 rotatably connected with the mounting seat 100, the bottom end of one telescopic rod 200 is rotatably connected with an inserting rod 220, the end part of the telescopic rod 200, which is close to the screw 800, is provided with threaded holes rotatably connected with the screw 800, the top of the shaft lever 210 is fixedly sleeved with a gear I, the shaft lever 210 is convenient for the mounting seat 100 to rotate with the shaft lever 210 to enable the whole underground water collecting device to operate, the inserting rod 220 is convenient to be inserted into underground soil, the telescopic rods 200 and the screw 800 play a supporting role, and stable rotation of the screw 800, the telescopic rods 200 and the transmission shaft 610 is convenient; the mount 100 includes layer board one 110, and layer board two 120 can be dismantled fixedly connected with to layer board one 110's breach position pull bolt, and layer board two 120's inside embedding is fixed with motor 130, and motor 130's output fixedly connected with and gear one meshing driven gear two, layer board one 110's bottom surface fixedly connected with two support legs one, layer board two 120's bottom surface fixedly connected with support leg two, layer board one 110 and layer board two 120 can dismantle the setting of being connected be convenient for install axostylus axostyle 210 on mount 100, make things convenient for motor 130 to take axostylus axostyle 210 to rotate.
Two first pipe containing grooves 330 which are convenient for installing the air supply pipe 312 are formed in the water taking bearing cover 300, a second pipe containing groove 340 which is convenient for installing the water inlet pipe 322 is formed in the water taking bearing cover 300, electromagnetic valves I are connected in series in the air supply pipe 312 and the water inlet pipe 322, the air supply pipe 312 is convenient for supplying air into the annular air bag 400, the water inlet pipe 322 is convenient for supplying water into the water collecting column 500, and the electromagnetic valves I limit whether the air supply pipe 312 and the water inlet pipe 322 are in a communicating state or not, so that air supply and water supply are convenient; the middle part intercommunication of column spout one 310 is fixed with intake pipe 313, and the middle part intercommunication of column spout two 320 is fixed with the water suction pipe 323, and the bottom intercommunication of water suction pipe 323 has the straw ball, and intake pipe 313 all has the solenoid valve two with the inside of water suction pipe 323 in series, through the one end up of intake pipe 313, the intake pipe 313 of being convenient for can inhale sufficient air and get into annular gasbag 400, through the bottom fixed with the water suction ball at water suction pipe 323, makes the bottom of water suction pipe 323 can inhale the groundwater between two annular gasbags 400 fast under the counter weight effect of water suction ball.
The outside of the annular air bag 400 is provided with a pressure release valve, the inside of the water collection column 500 is provided with an annular water collection cavity 510, the middle part of the water collection column 500 is provided with a plug hole 520 which is rotationally plugged with the positioning shaft 600, the inner bottom surface of the annular water collection cavity 510 is provided with a water pump, the output end of the water pump is fixedly communicated with a water drain pipe 530, one end of the water drain pipe 530 deviating from the water pump penetrates through the water collection column 500 and the water taking bearing cover 300, the pressure release valve is convenient for discharging gas in the annular air bag 400, the annular air bag 400 is convenient for moving out of a drilled hole, the annular water collection cavity 510 is convenient for collecting collected water, and the collected water is convenient for being conveyed out through the water drain 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 bending state, and the transmission shaft 610 can conveniently swing in a spherical groove with the transmission rod 622 on the sleeve 621.
The transmission piece 620 comprises a sleeve 621 rotatably sleeved with the first connecting shaft 611, two symmetrically-distributed transmission rods 622 are fixedly connected to the outer side wall of the sleeve 621, one end of each transmission rod 622, which is away from the sleeve 621, is rotatably connected with a spherical block 623 which is slidably connected with the water taking bearing cover 300, and the transmission shaft 610 rotates to enable the sleeve 621 to swing with the two transmission rods 622, so that the first piston 311 and the second piston 321 move; one end of the connecting rod 700 is rotationally connected with the transmission rod 622 at the corresponding position through the first ball hinge, and the first piston 311 and the second piston 321 are rotationally connected with the end part of the connecting rod 700, which is away from the transmission rod 622, through the second ball hinge, so that the transmission rod 622 swings to enable the connecting rod 700 to carry the first piston 311 or the second piston 321 to reciprocate; the top and the bottom of the water taking bearing cover 300 are provided with spherical grooves for accommodating the rotation of the transmission shaft 610, the two sides of the spherical grooves are provided with arc grooves which are in sliding contact with the spherical blocks 623 at corresponding positions, the middle of the water taking bearing cover 300 is provided with columnar grooves for accommodating the fixed water collecting column 500, the spherical grooves meet the rotation requirement of the transmission shaft 610, the arc grooves are convenient for limiting the transmission rod 622 to swing, and the columnar grooves are convenient for installing the water collecting column 500.
Working principle: when the underground water sampling device is used, the depth of underground water is collected according to the needs, a proper number of telescopic rods 200 are selected, a proper number of water taking bearing covers 300 are selected according to the position quantity of water to be collected, the water taking bearing covers 300 and the telescopic rods 200 are fixedly connected together, namely, a screw 800 at two ends of the water taking bearing covers 300 is screwed into threaded holes of the telescopic rods 200 at corresponding positions, a shaft rod 210 is fixed at the top end of the topmost telescopic rod 200, an inserting rod 220 is fixed at the bottom end of the bottommost telescopic rod 200, a water collecting hole is drilled on the ground by using external drilling equipment, water in the drilled holes is firstly extracted by using a water pump and a water pipe, when no water is in the drilled holes, the installed underground water sampling device is placed in the drilled holes, the shaft rod 210 is placed between a supporting plate 110 and a supporting plate 120, the supporting plate 110 is fixed on the supporting plate 120 by using bolts, a gear I on the shaft rod 210 is meshed with a gear II at the output end of a motor 130, the motor 130 is started to enable the motor 130 to rotate the shaft rod 210 to drive the telescopic rod 200 fixedly connected with the shaft rod 210 to rotate, and the shaft rod 200 rotates synchronously with the shaft rods 600 and the shaft rods 600 are positioned in the shafts 600 and the supporting the bearing covers 600;
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 carried by the sleeve 621 to swing outside 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 two pistons 311 and the second two pistons 321 synchronously slide in the first columnar chute 310 and the second columnar chute 320 under the transmission action of the connecting rod 700 matched with the first spherical hinge and the second spherical hinge, when the first two pistons 311 move close to each other, the gas sucked into the first columnar chute 310 by the gas inlet 313 is conveyed into the annular air bag 400 through the gas supply pipe 312, so that the two annular air bags 400 on the same water intake bearing cover 300 are tightly abutted against the inner side walls of the drilled holes, when the gas pressure inside the annular air bag 400 is large, the gas is automatically discharged through the electromagnetic valve on the annular air bag 400, the contact between the annular air bag 400 and the inner side walls of the drilled holes is always kept, the electromagnetic valve inside the electromagnetic valve on the gas inlet pipe 312 is opened, and the electromagnetic valve on the gas supply pipe 312 is closed, otherwise when the gas is conveyed through the 313, and the electromagnetic valve on the gas supply pipe 313 is opened, and the electromagnetic valve on the first electromagnetic valve 312 is closed when the gas is opened, and the gas is conveyed through the annular air pipe 313, and the inner side is tightly closed;
when water seepage exists between the two annular air bags 400, when the two pistons II 321 are moved away from each other, the electromagnetic valve II on the water suction pipe 323 is opened to suck external water between the two pistons II 321, then when the two pistons II 321 are moved close to each other, the electromagnetic valve II on the water suction pipe 323 is closed, the electromagnetic valve I on the water inlet pipe 322 is opened, the two pistons II 321 convey water to the annular water collection cavity 510 in the water collection column 500 through the water inlet pipe 322 to collect, after water collection is finished, the gas in the annular air bags 400 is discharged through the pressure release valve to a part, 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 collected underground water is discharged through the water discharge pipe 530 to detect.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in 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), two adjacent between telescopic links (200) removable fixedly connected with water intaking bearing cap (300), water intaking bearing cap (300) top and bottom outside all cup joint and are fixed with annular gasbag (400), water intaking bearing cap (300) inside intermediate position fixedly connected with water collecting column (500), column spout one (310) and column spout two (320) have been seted up respectively to water collecting column (500) both sides and are located water intaking bearing cap (300) inside, column spout one (310) and column spout two (320) inside be connected with two pistons one (311) and two pistons two (321) respectively in a sliding manner, be connected with between column spout one (310) and annular gasbag (400) and be fixed with air supply pipe (312), be connected with inlet tube (322) between column spout two (320) and the water collecting column (500) inside intermediate position fixedly connected with water collecting column (500), column spout (500) rotation axis (600) have two pistons (600) to be connected with two drive transmission shaft (610) and two piston (610) are provided with, two drive shaft (610) are connected with one and are connected with each other, connecting rods (700) are arranged between the transmission piece (620) and the corresponding position piston I (311) and the corresponding position piston II (321), and one end, deviating from the positioning shaft (600), of the transmission shaft (610) is fixedly connected with a screw rod (800) which is rotationally connected with the water taking bearing cover (300).
2. The groundwater sampling device for hydrogeology according to claim 1, wherein a top end of one telescopic rod (200) is screwed and connected with a shaft lever (210) rotatably connected with the mounting seat (100), a bottom end of one telescopic rod (200) is rotatably connected with an inserting rod (220), screw holes screwed and connected with the screw rod (800) are respectively formed at end parts of the telescopic rod (200) close to the screw rod (800), and a first gear is sleeved and fixed at the top of the shaft lever (210).
3. The groundwater sampling device for hydrogeology according to claim 1, wherein the mounting base (100) comprises a first supporting plate (110), a second supporting plate (120) is detachably and fixedly connected to a notch of the first supporting plate (110) through a bolt, a motor (130) is fixedly embedded in the second supporting plate (120), a second gear meshed with the first gear is fixedly connected to an output end of the motor (130), two first supporting legs are fixedly connected to a bottom surface of the first supporting plate (110), and second supporting legs are fixedly connected to a bottom surface of the second supporting plate (120).
4. The groundwater sampling device for hydrogeology according to claim 1, wherein the water intake bearing cover (300) is provided with two first pipe receiving grooves (330) for facilitating installation of the air supply pipe (312), the water intake bearing cover (300) is provided with second pipe receiving grooves (340) for facilitating installation of the water inlet pipe (322), and the air supply pipe (312) and the water inlet pipe (322) are both connected in series with the first electromagnetic valve.
5. The groundwater sampling device for hydrogeology according to claim 1, wherein the middle part of the first columnar chute (310) is fixedly connected with an air inlet pipe (313), the middle part of the second columnar chute (320) is fixedly connected with a water suction pipe (323), the bottom end of the water suction pipe (323) is communicated with a suction pipe ball, and the air inlet pipe (313) and the inside of the water suction pipe (323) are both connected with a second electromagnetic valve in series.
6. The groundwater sampling device for hydrogeology according to claim 1, wherein the outside of the annular air bag (400) is provided with a pressure release valve, the inside of the water collecting column (500) is provided with an annular water collecting cavity (510), the middle part of the water collecting column (500) is provided with a plug hole (520) rotationally plugged with the positioning shaft (600), the inner bottom surface of the annular water collecting cavity (510) is provided with a water pump, the output end of the water pump is fixedly connected with a water drain pipe (530), and one end of the water drain pipe (530) deviating from the water pump penetrates through the water collecting column (500) and the water taking bearing cover (300).
7. The groundwater sampling device for hydrogeology 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), wherein 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 corresponding position screw (800).
8. The groundwater sampling device for hydrogeology according to claim 1, wherein the transmission member (620) comprises a sleeve (621) rotationally sleeved with the first connecting shaft (611), two symmetrically distributed transmission rods (622) are fixedly connected to the outer side wall of the sleeve (621), and a spherical block (623) slidingly connected with the water taking bearing cover (300) is rotationally connected to one end of the transmission rod (622) away from the sleeve (621).
9. The groundwater sampling device for hydrogeology according to claim 1, wherein 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 rotatably connected with the end part of the connecting rod (700) away from the transmission rod (622) through a second ball hinge.
10. The groundwater sampling device for hydrogeology according to claim 1, wherein the top and the bottom of the water intake bearing cover (300) are provided with spherical grooves for accommodating rotation of the transmission shaft (610), two sides of the spherical grooves are provided with arc grooves which are in sliding contact with spherical blocks (623) at corresponding positions, and the middle of the water intake bearing cover (300) is provided with columnar grooves for accommodating the fixed water collecting column (500).
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| CN114624066B (en) * | 2022-05-16 | 2022-09-06 | 北京高能时代环境技术股份有限公司 | Underground water layered sampling device and method |
| CN114814147B (en) * | 2022-06-30 | 2022-09-13 | 江苏航运职业技术学院 | Underground water quality periodic variation intelligent analysis system and water quality measuring device |
| CN115387404B (en) * | 2022-08-29 | 2024-03-22 | 中煤长江基础建设有限公司 | Concrete liquid level detection device and detection method for cast-in-place pile |
| 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 |
| 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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