CN111537289A - Multipoint detection sampling device for underground water body and using method thereof - Google Patents
Multipoint detection sampling device for underground water body and using method thereof Download PDFInfo
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- CN111537289A CN111537289A CN202010374836.3A CN202010374836A CN111537289A CN 111537289 A CN111537289 A CN 111537289A CN 202010374836 A CN202010374836 A CN 202010374836A CN 111537289 A CN111537289 A CN 111537289A
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Abstract
The invention discloses a multipoint detection sampling device for an underground water body and a use method thereof, belonging to the technical field of underground water detection. Can realize adopting the multiple spot sample mode in vertical direction, groundwater of the different degree of depth of sample that can be disposable, easy operation, sampling efficiency is higher, and the in-process that the sample bottle rises, is difficult for taking place to rock, and then avoids sample bottle and pithead collision and the sample bottle that leads to broken.
Description
Technical Field
The invention relates to the field of underground water detection, in particular to a multipoint detection sampling device for an underground water body and a using method thereof.
Background
The groundwater is an important component of water resources, and is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water yield and good water quality. However, under certain conditions, changes in groundwater can also cause adverse natural phenomena such as swampiness, salinization, landslide, and ground subsidence.
With the development of social economy, scientific progress and improvement of the living standard of people, the requirements of people on the water quality of drinking water are continuously improved, and the water quality standard of the drinking water is correspondingly continuously developed and improved. Because the formulation of the water quality standard of the drinking water is related to various factors such as living habits, cultures, economic conditions, scientific and technical development level, water resources and the current situation of the water quality of the water resources, and the like of people, the requirements on the water quality of the drinking water are different not only among countries but also among different regions of the same country. The purpose of water quality detection is to examine the quality of the environment, to investigate whether water quality is suitable or suitable, to examine the pollution or the degree of pollution of water, to examine the efficiency of a water treatment process, and the like.
To the detection of groundwater, generally take a sample to groundwater earlier, then detect through detecting instrument, need dig earlier and establish a hole that runs through the soil horizon, then stretch into groundwater internally through the hole with sampling device, take a sample, in order to guarantee the accurate nature that detects, need take a sample respectively to the different degree of depth groundwater, however current groundwater sampling device, the water sample of a height can only be taken at every turn, the groundwater of the different degree of depth will be taken a sample many times, the trouble of operating ten minutes, efficiency is lower. Therefore, a multipoint detection sampling device for underground water bodies and a using method thereof are provided.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a multipoint detection sampling device for underground water and a using method thereof, aiming at solving the problems in the prior art, and the multipoint detection sampling device can realize the multipoint sampling mode in the vertical direction, can sample underground water with different depths at one time, is simple to operate and high in sampling efficiency, and is not easy to shake in the process of lifting a sampling bottle, so that the sampling bottle is prevented from being broken due to collision between the sampling bottle and a pit wall.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A multipoint detection sampling device for underground water comprises two device bases which are symmetrically arranged, wherein electric drums are fixedly arranged at the tops of the two device bases, fixed pulleys are fixedly arranged on one side of each electric drum, a lifting rope is wound on one electric drum, a cable is wound on the other electric drum, the cable and the lifting rope are in transmission connection with the corresponding fixed pulleys respectively, a control switch is fixedly arranged at the top of one device base, one end, far away from the electric drum, of the lifting rope is fixedly connected with a lifting block, the bottom end of the lifting block is fixedly connected with an adjusting box, connecting boxes are fixedly connected with the two sides of the adjusting box, an electromagnet is fixedly arranged inside the adjusting box, the two ends of the cable are electrically connected with the control switch and the electromagnet respectively, and a supporting plate is fixedly arranged on the inner wall of each connecting box, the inside movable mounting of backup pad has the slide bar, the outer wall and the fixedly connected with iron plate of regulating box are run through to the one end of slide bar, fixedly connected with dog on the outer wall of slide bar, be equipped with the cover and establish the compression spring on the slide bar outer wall between dog and the backup pad, the other end of slide bar runs through connecting box and fixedly connected with gyro wheel.
The bottom fixedly connected with support column of regulating cabinet, a plurality of fixed blocks of the equal fixedly connected with in both sides of support column, the inside fixed mounting of fixed block has the sampling bottle, fixed mounting has the single membrane of passing through on the sampling bottle inner wall, be provided with the assorted bottle plug on the top outer wall of sampling bottle, the top of every fixed block all is equipped with the supporting shoe of fixed mounting on the support column outer wall, the bottom fixedly connected with screw rod of supporting shoe, threaded connection has the sleeve on the outer wall of screw rod, the top fixed connection of telescopic bottom and bottle plug, fixedly connected with linkage gear on the telescopic outer wall, the bottom fixedly connected with montant of slide bar, one side fixedly connected with of montant and the gear pole of linkage gear looks adaptation, gear pole and linkage gear engagement.
Furthermore, the motor used for driving the winding and unwinding is arranged on the electric winding drum, the electric winding drum is driven by the motor to rotate forwards and backwards, the cable and the lifting rope can be unwound and wound, and the sampling bottle can be driven to move downwards and upwards.
Furthermore, a storage battery pack is fixedly mounted on one side of the control switch, the control switch is electrically connected with the storage battery pack, the storage battery pack can provide electric energy for the electromagnet, and the control switch can control the electromagnet to be powered on or powered off.
Furthermore, the one end that the slide bar was kept away from to the iron plate adsorbs on the electro-magnet, compression spring is in the contraction state to cut off the power supply with the electro-magnet, make the electro-magnet disappear to the suction of iron plate, can make compression spring kick-back, and then drive the slide bar and remove outside the connecting box.
Further, the fixed block is sharp along the support column and distributes, and the fixed block of both sides is crisscross to be set up, makes the sample bottle on the fixed block, and the multiple spot distributes in vertical direction, and then can gather the groundwater of the different degree of depth simultaneously, has improved sampling efficiency.
Further, singly pass through the membrane and be one-way pervious composite fiber membrane, and the direction of permeating water is from top to bottom, and the setting of singly passing through the membrane can prevent that the sample bottle from rising in groundwater, and the water of the high degree of depth flows the exchange with the water of the low degree of depth in the bottle, leads to the sample inaccurate, also can prevent that the sample bottle from rising in the hole when, and the water in the bottle is unrestrained.
Further, fixedly connected with sealing ring on the outer wall of bottle plug, the bottom of sealing ring pastes mutually with the top of sampling bottle, and the setting of sealing ring can improve the leakproofness of bottle plug and sampling bottle junction.
Further, the bottom intercommunication of sampling bottle has the drain pipe, the bottom of drain pipe is provided with the assorted tube cap, screws off the tube cap, can make the water sample in the sampling bottle discharge through the drain pipe, and then is convenient for take out the water sample.
A use method of a multipoint detection sampling device for underground water bodies comprises the following steps:
s1, digging a pot hole penetrating through the soil layer, fixing the two device bases to the ground on two sides of the pot hole respectively, and extending the supporting column into the pot hole;
s2, releasing the lifting rope and the cable through the motor on the electric reel, and moving the sampling bottles downwards until all the sampling bottles are submerged in the underground water body, and the adjusting box is located above the liquid level of the underground water body;
s3, the electromagnet is powered off through the control switch, the attraction of the electromagnet to the iron block disappears, the compression spring rebounds, the slide rod moves towards the outside of the connecting box, the vertical rod is driven to move, the bottle stopper rotates and moves upwards through the linkage of the sleeve, the linkage gear and the gear rod, underground water with different depths are respectively poured into corresponding sampling bottles, and meanwhile, the two rollers are respectively attached to the inner walls of the two sides of the pit hole through the movement of the slide rod;
s4, through the motor on the electric winding drum, the lifting rope and the cable are wound simultaneously to drive the sampling bottle to move upwards to the top end of the pot hole, the pipe cover is opened, the water sample can be taken out through the drain pipe, and the sampling of underground water is completed.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the joint setting of electro-magnet, slide bar, iron plate, compression spring, gyro wheel, sampling bottle, bottle plug, screw rod, sleeve, linkage gear wheel pole etc. adopts the multiple spot sample mode in vertical direction, the groundwater of the different degree of depth of sample that can be disposable, easy operation, and sampling efficiency is higher, and the in-process that the sampling bottle rises is difficult for taking place to rock, and then avoids the sampling bottle that the sampling bottle leads to with the collision of pit wall broken.
(2) One end of the iron block, which is far away from the sliding rod, is adsorbed on the electromagnet, and the compression spring is in a contraction state, so that the electromagnet is powered off, the attraction of the electromagnet to the iron block disappears, the compression spring can rebound, and the sliding rod is driven to move outwards from the connecting box.
(3) The setting of gyro wheel, the removal of slide bar can make the gyro wheel paste mutually with the inner wall of pothole to when the rolling lifting rope pulls back the sampling bottle, the gyro wheel rolls along the pothole inner wall, and cooperation compression spring's elasticity and slide bar can play a supporting role, prevent that the sampling bottle from rocking, and then prevent that sampling bottle and pothole wall collision are broken.
(4) Through the joint setting of screw rod, sleeve, linkage gear, montant, gear pole, the removal of slide bar can make the montant drive gear pole and remove, and the gear pole drives the sleeve through the linkage gear and rotates, sleeve and screw rod threaded connection, telescopic rotation can make the sleeve along screw rod upward movement, and then drive the bottle plug rotation and upward movement and sample bottle break away from, makes in groundwater can get into the sample bottle, takes a sample.
(5) The fixed block is sharp along the support column and distributes, and the fixed block of both sides sets up in the staggered way, makes the sample bottle on the fixed block, and the multiple spot distributes in vertical direction, and then can gather the groundwater of the different degree of depth simultaneously, has improved sampling efficiency.
(6) The membrane is singly passed through to the one-way compound fibre membrane that permeates water, and the direction of permeating water is from top to bottom, and the setting of singly passing through the membrane can prevent that the sample bottle from rising in groundwater, and the water of the high degree of depth flows the exchange with the water of the low degree of depth in the bottle, leads to the sample inaccurate, also can prevent that the sample bottle from rising in the pothole when, the water in the bottle is unrestrained.
(7) Fixedly connected with sealing ring on the outer wall of bottle plug, the bottom of sealing ring pastes mutually with the top of sampling bottle, and the setting of sealing ring can improve the leakproofness of bottle plug and sampling bottle junction.
(8) The bottom intercommunication of sampling bottle has the drain pipe, and the bottom of drain pipe is provided with assorted tube cap, twists off the tube cap, can make the water sample in the sampling bottle discharge through the drain pipe, and then be convenient for take out the water sample.
Drawings
FIG. 1 is a schematic structural view of a multi-point detection sampling device for underground water bodies according to the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of the interior of the conditioning tank of the present invention;
FIG. 4 is a cross-sectional view of the inside of a sampling bottle of the present invention;
FIG. 5 is a cross-sectional view at the sleeve of the present invention;
FIG. 6 is a top view of the gear lever of the present invention;
fig. 7 is a working state diagram of the multipoint detection sampling device for underground water body of the invention.
The reference numbers in the figures illustrate:
1. a device base; 2. an electric reel; 3. a fixed pulley; 4. a lifting rope; 5. a cable; 6. a control switch; 7. a hanging block; 8. an adjusting box; 9. a connecting box; 10. an electromagnet; 11. a support plate; 12. a slide bar; 13. an iron block; 14. a stopper; 15. a compression spring; 16. a roller; 17. a fixed block; 18. sampling a bottle; 19. a single permeable membrane; 20. a bottle stopper; 21. a seal ring; 22. a drain pipe; 23. a tube cover; 24. a support block; 25. a screw; 26. a sleeve; 27. a linkage gear; 28. a vertical rod; 29. a gear lever; 30. a support pillar; 31. and (5) a storage battery pack.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, 3-4 and 7, a multipoint detection sampling device for underground water comprises two device bases 1 which are symmetrically arranged, wherein electric drums 2 are fixedly mounted at the tops of the two device bases 1, a fixed pulley 3 is fixedly mounted at one side of each electric drum 2, a lifting rope 4 is wound on one electric drum 2, a cable 5 is wound on the other electric drum 2, the cable 5 and the lifting rope 4 are respectively in transmission connection with the corresponding fixed pulleys 3, a motor for driving the winding and unwinding is arranged on each electric drum 2, the electric drums 5 and the lifting rope 4 can be loosened and wound by driving the electric drums 2 to rotate forwards and backwards through the motors, so that a sampling bottle 18 can be driven to move downwards and upwards, a control switch 6 is fixedly mounted at the top of one device base 1, a storage battery pack 31 is fixedly mounted at one side of the control switch 6, and the control switch 6 is electrically connected with the storage battery pack 31, the storage battery pack 31 can provide electric energy for the electromagnet 10, the control switch 6 can control the electrification and the outage of the electromagnet 10, one end of the lifting rope 4 far away from the electric reel 2 is fixedly connected with the lifting block 7, the bottom end of the lifting block 7 is fixedly connected with the adjusting box 8, two sides of the adjusting box 8 are both fixedly connected with the connecting box 9, the electromagnet 10 is fixedly installed inside the adjusting box 8, two ends of the cable 5 are respectively and electrically connected with the control switch 6 and the electromagnet 10, the inner wall of the connecting box 9 is fixedly provided with the supporting plate 11, the inside of the supporting plate 11 is movably provided with the sliding rod 12, one end of the sliding rod 12 penetrates through the outer wall of the adjusting box 8 and is fixedly connected with the iron block 13, the outer wall of the sliding rod 12 is fixedly connected with the stop block 14, the compression spring 15 sleeved on the outer wall of the sliding rod 12 is arranged between the stop, therefore, the electromagnet 10 is powered off, the suction force of the electromagnet 10 to the iron block 13 disappears, the compression spring 15 can be made to rebound, the slide rod 12 is driven to move towards the outside of the connecting box 9, the roller 16 is arranged, the slide rod 12 moves, the roller 16 can be made to be attached to the inner wall of the pot hole, when the sampling bottle 18 is pulled back by the winding lifting rope 4, the roller 16 rolls along the inner wall of the pot hole, the elastic force of the compression spring 15 and the slide rod 12 are matched, a supporting effect can be achieved, the sampling bottle 18 is prevented from shaking, and the sampling bottle 18 is prevented from colliding with the inner wall of the pot hole, so that the sampling bottle 18 is broken.
Referring to fig. 1-2 and 5-7, a supporting column 30 is fixedly connected to the bottom end of the adjusting box 8, a plurality of fixing blocks 17 are fixedly connected to both sides of the supporting column 30, a sampling bottle 18 is fixedly installed inside the fixing block 17, the fixing blocks 17 are linearly distributed along the supporting column 30, and the fixing blocks 17 at both sides are staggered, so that the sampling bottles 18 on the fixing blocks 17 are distributed at multiple points in the vertical direction, and further, groundwater at different depths can be collected simultaneously, thereby improving the sampling efficiency, a single permeable membrane 19 is fixedly installed on the inner wall of the sampling bottle 18, the single permeable membrane 19 is a composite fiber membrane with one-way water permeability, and the water permeability direction is from top to bottom, the single permeable membrane 19 is arranged, thereby preventing the high-depth water in the bottle from flowing and exchanging with the low-depth water when the sampling bottle 18 rises in the groundwater, leading to inaccurate sampling, and preventing the sampling bottle 18 from rising in a, the water in the bottle spills out, a matched bottle stopper 20 is arranged on the outer wall of the top of the sampling bottle 18, a supporting block 24 fixedly installed on the outer wall of a supporting column 30 is arranged above each fixed block 17, a screw rod 25 is fixedly connected to the bottom end of the supporting block 24, a sleeve 26 is in threaded connection with the outer wall of the screw rod 25, the bottom end of the sleeve 26 is fixedly connected with the top end of the bottle stopper 20, a sealing ring 21 is fixedly connected to the outer wall of the bottle stopper 20, the bottom end of the sealing ring 21 is attached to the top end of the sampling bottle 18, the sealing performance of the joint of the bottle stopper 20 and the sampling bottle 18 can be improved due to the arrangement of the sealing ring 21, a linkage gear 27 is fixedly connected to the outer wall of the sleeve 26, a vertical rod 28 is fixedly connected to the bottom end of the sliding rod 12, a gear rod 29 matched with the linkage gear 27 is fixedly, the bottom of drain pipe 22 is provided with assorted tube cap 23, twist off tube cap 23, can make the water sample in the sampling bottle 18 discharge through drain pipe 22, and then be convenient for take out the water sample, through the screw rod 25, sleeve 26, linkage gear 27, montant 28, gear rod 29's joint setting, the removal of slide bar 12, can make montant 28 drive gear rod 29 remove, gear rod 29 drives sleeve 26 through linkage gear 27 and rotates, sleeve 26 and screw rod 25 threaded connection, the rotation of sleeve 26 can make sleeve 26 upwards remove along screw rod 25, and then drive the rotatory and upward movement of bottle plug 20 and break away from with sampling bottle 18, make groundwater can get into in the sampling bottle 18, take a sample.
Referring to fig. 1-7, a method for using a multi-point detection sampling device for underground water body includes the following steps:
s1, digging a pot hole penetrating through the soil layer, fixing the two device bases 1 to the ground on two sides of the pot hole respectively, and extending the supporting column 30 into the pot hole;
s2, releasing the lifting rope 4 and the cable 5 through the motor on the electric reel 2, so that the sampling bottles 18 move downwards until all the sampling bottles 18 are submerged in the underground water body, and the adjusting box 8 is located above the liquid level of the underground water body;
s3, the electromagnet 10 is powered off through the control switch 6, the suction force of the electromagnet 10 to the iron block 13 disappears, the compression spring 15 rebounds, the sliding rod 12 moves towards the outside of the connecting box 9 to drive the vertical rod 28 to move, the bottle stopper 20 rotates and moves upwards through the linkage of the sleeve 26, the linkage gear 27 and the gear rod 29, underground water with different depths are respectively poured into the corresponding sampling bottles 18, and meanwhile, the sliding rod 12 moves to enable the two rollers 16 to be respectively attached to the inner walls of the two sides of the pot hole;
s4, the lifting rope 4 and the cable 5 are wound simultaneously through the motor on the electric winding drum 2, the sampling bottle 18 is driven to move upwards to the top end of the pot hole, the pipe cover 23 is opened, and then a water sample can be taken out through the drain pipe 22, so that underground water sampling is completed.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a multipoint mode detection sampling device of underground water, includes two device bases (1) that the symmetry set up, two the equal fixed mounting in top of device base (1) has electronic reel (2), one side fixed mounting of electronic reel (2) has fixed pulley (3), and one of them twine on electronic reel (2) has lifting rope (4), its characterized in that: another electric reel (2) is wound with a cable (5), the cable (5) and the lifting rope (4) are respectively in transmission connection with the corresponding fixed pulleys (3), one of the two is characterized in that a control switch (6) is fixedly installed at the top of the device base (1), one end of the lifting rope (4) far away from the electric reel (2) is fixedly connected with a lifting block (7), the bottom end of the lifting block (7) is fixedly connected with an adjusting box (8), the two sides of the adjusting box (8) are both fixedly connected with a connecting box (9), an electromagnet (10) is fixedly installed inside the adjusting box (8), the two ends of the cable (5) are respectively electrically connected with the control switch (6) and the electromagnet (10), a supporting plate (11) is fixedly installed on the inner wall of the connecting box (9), and a sliding rod (12) is movably installed inside the supporting plate (11), one end of the sliding rod (12) penetrates through the outer wall of the adjusting box (8) and is fixedly connected with an iron block (13), a stop block (14) is fixedly connected to the outer wall of the sliding rod (12), a compression spring (15) sleeved on the outer wall of the sliding rod (12) is arranged between the stop block (14) and the supporting plate (11), and the other end of the sliding rod (12) penetrates through the connecting box (9) and is fixedly connected with a roller (16);
the bottom fixedly connected with support column (30) of regulating box (8), the equal fixedly connected with a plurality of fixed blocks (17) in both sides of support column (30), the inside fixed mounting of fixed block (17) has sampling bottle (18), fixed mounting has single permeable membrane (19) on sampling bottle (18) inner wall, be provided with assorted bottle plug (20) on the top outer wall of sampling bottle (18), the top of every fixed block (17) all is equipped with supporting shoe (24) of fixed mounting on support column (30) outer wall, the bottom fixedly connected with screw rod (25) of supporting shoe (24), threaded connection has sleeve (26) on the outer wall of screw rod (25), the bottom of sleeve (26) and the top fixed connection of bottle plug (20), fixedly connected with linkage gear (27) on the outer wall of sleeve (26), the bottom fixedly connected with montant (28) of slide bar (12), one side fixedly connected with of montant (28) and gear lever (29) of linkage gear (27) looks adaptation, gear lever (29) and linkage gear (27) meshing.
2. The multipoint detection sampling device for the underground water body according to claim 1, wherein: and a motor for driving the winding and unwinding is arranged on the electric winding drum (2).
3. The multipoint detection sampling device for the underground water body according to claim 1, wherein: and a storage battery pack (31) is fixedly mounted on one side of the control switch (6), and the control switch (6) is electrically connected with the storage battery pack (31).
4. The multipoint detection sampling device for the underground water body according to claim 1, wherein: one end, far away from the sliding rod (12), of the iron block (13) is adsorbed on the electromagnet (10), and the compression spring (15) is in a contraction state.
5. The multipoint detection sampling device for the underground water body according to claim 1, wherein: the fixing blocks (17) are linearly distributed along the supporting columns (30), and the fixing blocks (17) on the two sides are arranged in a staggered mode.
6. The multipoint detection sampling device for the underground water body according to claim 1, wherein: the single permeable membrane (19) is a composite fiber membrane which is permeable in one direction, and the permeable direction is from top to bottom.
7. The multipoint detection sampling device for the underground water body according to claim 1, wherein: the outer wall of the bottle stopper (20) is fixedly connected with a sealing ring (21), and the bottom end of the sealing ring (21) is attached to the top end of the sampling bottle (18).
8. The multipoint detection sampling device for the underground water body according to claim 1, wherein: the bottom end of the sampling bottle (18) is communicated with a drain pipe (22), and the bottom end of the drain pipe (22) is provided with a matched pipe cover (23).
9. The use method of the multipoint detection sampling device for the underground water body according to any one of claims 1 to 8, wherein the method comprises the following steps: the method comprises the following steps:
s1, digging a pot hole penetrating through the soil layer, fixing the two device bases (1) to the ground on the two sides of the pot hole respectively, and extending the supporting column (30) into the pot hole;
s2, releasing the lifting rope (4) and the cable (5) through the motor on the electric reel (2) at the same time, so that the sampling bottles (18) move downwards until all the sampling bottles (18) are submerged in the underground water body, and the adjusting box (8) is positioned above the liquid level of the underground water body;
s3, the electromagnet (10) is powered off through the control switch (6), the attraction of the electromagnet (10) to the iron block (13) disappears, the compression spring (15) rebounds, the sliding rod (12) moves towards the outside of the connecting box (9) to drive the vertical rod (28) to move, the bottle stopper (20) rotates and moves upwards through the linkage of the sleeve (26), the linkage gear (27) and the gear rod (29), underground water with different depths are respectively poured into the corresponding sampling bottles (18), and meanwhile, the sliding rod (12) moves to enable the two rollers (16) to be respectively attached to the inner walls of the two sides of the pot hole;
s4, the motor on the electric winding drum (2) is used for winding the lifting rope (4) and the cable (5) at the same time, the sampling bottle (18) is driven to move upwards to the top end of the pot hole, the pipe cover (23) is opened, the water sample can be taken out through the drain pipe (22), and the underground water sampling is completed.
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