Novel underground water sampling device

Abstract

The utility model relates to the technical field of hydrogeology, in particular to a novel underground water sampling device which comprises a water taking device, the water taking device comprises a shell and a plurality of water taking bottles, the water taking bottles are vertically fixed in the shell in an annular array mode, the water taking bottles are close to the inner wall of the shell, and the water taking bottles are arranged in the shell. A first water inlet and a second water inlet which are coaxial with the shell are formed in the side, close to the shell, of the water taking bottle, a sealing plate capable of moving up and down is arranged between the first water inlet and the second water inlet, and a driving mechanism for driving the sealing plate to move is arranged in the shell; and sealing rings are fixed to the outer side of the first water inlet and the inner side of the second water inlet correspondingly, the two sealing rings extrude each other, a water discharging pipe is arranged at the bottom of the water taking bottle, and the water discharging pipe penetrates through the bottom face of the shell and is provided with a plugging head. And the number of the water taking bottles arranged in the shell determines that water samples at several depths can be taken.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogeology, and more specifically, particularly to a novel groundwater sampling device. Background Art

[0002] Hydrogeology is a branch of geology, which refers to the various changes and movements of groundwater in nature. It mainly studies the distribution and formation of groundwater, as well as the physical properties and chemical composition of groundwater. In hydrogeological surveys and engineering surveys, detailed hydrogeological parameters can be obtained more accurately through different aquifer stratification pumping test devices, that is, pumping test devices are carried out on water layers of different depths.

[0003] The patent application with publication number CN115655802A discloses a hydrogeological pumping test device, including a shell, a plurality of water outlet holes are provided on the bottom side wall of the shell, a fixed column is fixedly connected to the top surface of the shell, a piston is fixedly connected to the bottom of the fixed column, a collection shell is slidably connected to the outer wall of the piston, a through hole is provided at the bottom of the collection shell, the collection shell is vertically slidably connected to the shell, the two side walls of the collection shell are respectively connected to the power part, a sealing part is provided at the bottom of the shell, and a water intake part is detachably connected to the bottom of the collection shell, which can achieve the purpose of extracting water at a specified depth. However, its disadvantage is that the device is easy to get stuck in the well, and it is not possible to sample water at different depths in one trip down the well. Utility Model Content

[0004] The utility model aims to overcome the problem that the existing new groundwater sampling device cannot sample water at different depths in one trip down the well, and to provide a new groundwater sampling device that can solve the above problem.

[0005] The new groundwater sampling device in the utility model comprises a water collector, which comprises a shell and a water bottle. A plurality of the water bottles are vertically fixed in the shell in the form of a circular array. The water bottle is close to the inner wall of the shell, and a first water inlet and a second water inlet are coaxially provided on one side of the water bottle close to the shell. A sealing plate that can move up and down is provided between the first water inlet and the second water inlet. A driving mechanism for driving the sealing plate to move is provided in the shell. Sealing rings are fixed on the outer side of the first water inlet and the inner side of the second water inlet, and the two sealing rings are pressed against each other. A drain pipe is provided at the bottom of the water bottle, and the drain pipe passes through the bottom surface of the shell and is provided with a sealing head.

[0006] Furthermore, the driving mechanism includes a rack vertically fixed to the upper end of the sealing plate, a gear meshing with the rack, a driving motor fixed in the housing and transmission connected to the gear, and a mobile power source is arranged in the housing.

[0007] Further, limiting plates are vertically arranged on both sides of the sealing plate. A chute is formed on one side of the limiting plate close to the sealing plate, and sliding bars adapted to the chute are fixed on both sides of the sealing plate.

[0008] Further, it further includes a winder arranged at the wellhead of the pumping well. A connecting rope is arranged on the top plate of the housing. The connecting rope is connected to the winder, and a scale is arranged on the outer side of the connecting rope.

[0009] Further, the winder includes a support plate provided with a through hole, support legs arranged at the bottom of the support plate, and a winch arranged on the top of the support plate. The connecting rope passes through the through hole and is connected to the winch.

[0010] Further, the winder further includes a guiding mechanism. The guiding mechanism includes a first guiding wheel, a second guiding wheel, and a third guiding wheel. The first guiding wheel is arranged above the through hole and on one side of the winch. The second guiding wheel and the third guiding wheel are arranged side by side below the first guiding wheel. The connecting rope bypasses the first guiding wheel and passes through the gap between the second guiding wheel and the third guiding wheel.

[0011] Further, an anti - jamming mechanism is arranged on the outer side of the water sampler. The anti - jamming mechanism includes a connecting ring sleeved on the outer side of the housing and a plurality of rollers annularly arranged on the outer side of the connecting ring. The rollers are in rolling connection with the inner wall of the pumping well.

[0012] Further, a first telescopic rod is arranged between the roller and the connecting ring.

[0013] Further, a plurality of second telescopic rods are annularly arranged on the inner side of the connecting ring. An arc - shaped clamping plate is arranged at one end of the second telescopic rod away from the connecting ring.

[0014] Further, a guiding cylinder is fixed at the bottom of the housing. The guiding cylinder is in a frustum - shaped structure that is thicker at the top and thinner at the bottom, and the outer diameter of the upper end of the guiding cylinder is equal to the outer diameter of the housing.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the novel groundwater sampling device of the present utility model, a plurality of water sampling bottles are arranged in the housing. Coaxial first water inlets and second water inlets are formed at corresponding positions on the side of the water sampling bottle close to the housing and the housing. A sealing plate capable of moving up and down is arranged between the first water inlet and the second water inlet. When the water sampler is lowered to a specified depth, the driving mechanism is used to block the movement of the sealing plate, and the first water inlet and the second water inlet are opened for sampling. The number of water sampling bottles arranged in the housing determines the number of water samples of different depths that can be taken. The setting of the sealing ring enables the water sample to only enter the water sampling bottle, preventing the water sample from entering the housing.

[0017] By providing an anti-jamming mechanism, the anti-jamming mechanism includes a connecting ring sleeved on the outer side of the housing and a plurality of rollers annularly arranged on the outer side of the connecting ring. The rollers roll on the inner wall of the pumping well, thereby preventing the water intake device from getting stuck in the pumping well. Description of the Drawings

[0018] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0019] Figure 1 is a schematic diagram of the use state of the new type of groundwater sampling device in the embodiment of the present invention.

[0020] Figure 2 is a schematic diagram of the overall structure of the new type of groundwater sampling device in the embodiment of the present invention.

[0021] Figure 3 is a schematic diagram of the overall structure of the water intake device in the embodiment of the present invention.

[0022] Figure 4 is a schematic diagram of the internal structure of the housing in the embodiment of the present invention.

[0023] Figure 5 is Figure 4 the enlarged view at position A in

[0024] In the figure: 1. Housing; 2. Water sampling bottle; 3. First water inlet; 4. Second water inlet; 5. Sealing plate; 6. Sealing ring; 7. Drain pipe; 8. Plugging head; 9. Rack; 10. Gear; 11. Driving motor; 12. Limiting plate; 13. Chute; 14. Slide bar; 15. Connecting rope; 16. Support plate; 17. Support leg; 18. Winch; 19. First guide wheel; 20. Second guide wheel; 21. Third guide wheel; 22. Connecting ring; 23. Roller; 24. First telescopic rod; 241. Sleeve; 242. Rod body; 243. Spring; 25. Second telescopic rod; 26. Arc-shaped clamping plate; 27. Guide tube; 28. Counterweight. Detailed Embodiment

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Such as Figure 1 、 Figure 2As shown in the figure, the new type of groundwater sampling device in this embodiment includes a water intake device and a winder arranged at the wellhead of the pumping well. The water intake device is connected to the winder through a connecting rope 15.

[0027] In this embodiment, as Figure 3 and Figure 4 shown, the water intake device includes a housing 1 and a water sampling bottle 2. A plurality of water sampling bottles 2 are vertically fixed in the housing 1 in a circular array form, and the water sampling bottles 2 are arranged close to the inner wall of the housing 1. On one side of the water sampling bottle 2 close to the housing 1, a first water inlet 3 and a second water inlet 4 are coaxially opened with the housing 1. A sealing plate 5 that can move up and down is arranged between the first water inlet 3 and the second water inlet 4. A driving mechanism for driving the sealing plate 5 to move is arranged in the housing 1. Sealing rings 6 are fixed on the outside of the first water inlet 3 and the inside of the second water inlet 4. One ends of the two sealing rings 6 close to each other are pressed against each other, thereby forming a water intake channel. When the sealing plate 5 blocks the first water inlet 3 and the second water inlet 4, the two sealing rings 6 press against the two side surfaces of the sealing plate 5, thereby preventing water from entering the housing 1 and the water sampling bottle 2. A water discharge pipe 7 is vertically arranged at the bottom of the water sampling bottle 2. The water discharge pipe 7 penetrates the bottom surface of the housing 1 and is fixedly connected to the bottom surface of the housing 1. A plug 8 is arranged at the lower end of the water discharge pipe 7. The plug 8 is made of rubber material.

[0028] In the new type of groundwater sampling device in this embodiment, a plurality of water sampling bottles 2 are arranged in the housing 1. A first water inlet 3 and a second water inlet 4 that are coaxial are opened at corresponding positions of the water sampling bottle 2 close to the housing, and a sealing plate 5 that can move up and down is arranged between the first water inlet 3 and the second water inlet 4. When the water intake device is lowered to a specified depth, the driving mechanism resists the movement of the sealing plate 5, and the first water inlet 3 and the second water inlet 4 are opened for sampling. The number of water sampling bottles 2 arranged in the housing determines the number of water samples of different depths that can be taken.

[0029] In this embodiment, the driving mechanism includes a rack 9, a gear 10, and a driving motor 11. The rack 9 is vertically fixed to the upper end of the sealing plate 5. The gear 10 meshes with the rack 9. The driving motor 11 is fixed in the housing 1, and the output shaft of the driving motor 11 is fixedly connected to the gear 10. A rechargeable mobile power supply (not shown in the figure) for supplying power to the driving motor 11 is arranged in the housing 1. Combining Figure 4 and Figure 5 shown, limiting plates 12 are vertically arranged on both sides of the sealing plate 5. A sliding groove 13 is opened on one side of the limiting plate 12 close to the sealing plate 5. Sliding bars 14 adapted to the sliding groove 13 are fixed on both sides of the sealing plate 5. Numbers are arranged on the outside of the second water inlet 4 and the driving motor 11, and the number of the second water inlet 4 is the same as the number of the corresponding driving motor 11, so as to facilitate taking water samples of different depths corresponding to the numbers. When selecting the driving motor 11, a motor that can be remotely controlled is selected, and the motor can be remotely controlled when taking water samples.

[0030] In this embodiment, a connecting rope 15 is provided on the top plate of the outer shell 1. A scale is provided on the outer side of the connecting rope 15. The connecting rope 15 and the top plate can be detachably connected. When using the detachable connection method, a connecting ring 22 (not shown in the figure) can be fixed on the top surface of the top plate, and the connecting rope 15 is tied to the connecting ring 22. The top plate of the outer shell 1 is threadedly connected to the barrel of the outer shell 1.

[0031] In this embodiment, the reel includes a support plate 16, support legs 17, a winch 18 and a guiding mechanism. The support plate 16 is horizontally arranged above the wellhead of the pumping well, and the support plate 16 is provided with a through hole coaxial with the pumping well. Three support legs 17 are fixed to the bottom of the support plate 16 in a circular array form. The winch 18 is installed on the support plate 16 and is located on the side of the through hole. The guiding mechanism includes a first guiding wheel 19, a second guiding wheel 20 and a third guiding wheel 21. The first guiding wheel 19 is arranged above the through hole and on one side of the winch 18. The second guiding wheel 20 and the third guiding wheel 21 are arranged side by side below the first guiding wheel 19. The connecting rope 15 bypasses the first guiding wheel 19, changes direction, and then passes through the gap between the second guiding wheel 20 and the third guiding wheel 21 and extends into the pumping well. The gap between the second guiding wheel 20 and the third guiding wheel 21 is located on the central axis of the pumping well. The first guiding wheel 19, the second guiding wheel 20 and the third guiding wheel 21 are all installed on the support plate 16 through brackets and rotating shafts, and the first guiding wheel 19, the second guiding wheel 20 and the third guiding wheel 21 are respectively rotatably connected to the corresponding rotating shafts.

[0032] In this embodiment, a counterweight 28 is fixed to the bottom surface of the outer shell 1. Two groups of anti-jamming mechanisms are arranged up and down on the outer side of the outer shell 1. The anti-jamming mechanism includes a connecting ring 22 sleeved on the outer side of the outer shell 1 and a plurality of rollers 23 annularly arrayed on the outer side of the connecting ring 22. The rollers 23 are in rolling connection with the inner wall of the pumping well. A first telescopic rod 24 is arranged between the roller 23 and the connecting ring 22. The first telescopic rod 24 includes a sleeve 241, a rod body 242 and a spring 243. The sleeve 241 is fixed to the outer side of the connecting ring 22. One end of the rod body 242 is movably inserted into the sleeve 241, and the other end is connected to the roller 23 through a wheel frame. The spring 243 is located in the sleeve 241, and both ends of the spring 243 are respectively fixed to the connecting ring 22 and the rod body 242. By arranging the rollers 23 to be in rolling connection with the inner wall of the pumping well and setting the counterweight 28, the water intake device can vertically enter the pumping well to prevent the water intake device from getting stuck in the pumping well. The function of setting the first telescopic rod 24 is to adapt to the change of the inner diameter of the pumping well to a certain extent.

[0033] In this embodiment, a plurality of second telescopic rods 25 are annularly arrayed inside the connecting ring 22. An arc-shaped clamping plate 26 is provided at one end of the second telescopic rod 25 away from the connecting ring 22. The structure of the second telescopic rod 25 is the same as that of the first telescopic rod 24, and thus will not be elaborated here. By providing the second telescopic rod 25 and the arc-shaped clamping plate 26, the outer shell 1 with different outer diameters can be adapted to a certain extent. A guide cylinder 27 is fixed at the bottom of the outer shell 1. The guide cylinder 27 has a frustum-shaped structure that is thicker at the top and thinner at the bottom, and the outer diameter of the upper end of the guide cylinder 27 is equal to the outer diameter of the outer shell 1, so as to facilitate the installation of the anti-jamming mechanism.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel groundwater sampling device, characterized in that, The invention comprises a water dispenser, wherein the water dispenser comprises a shell (1) and a water bottle (2), wherein a plurality of the water bottles (2) are vertically fixed in the shell (1) in the form of a circular array, wherein the water bottles (2) are close to the inner wall of the shell (1), and a first water inlet (3) and a second water inlet (4) are coaxially provided on the side of the water bottle (2) close to the shell (1) with the shell (1), wherein a sealing plate (5) movable up and down is provided between the first water inlet (3) and the second water inlet (4), wherein a driving mechanism for driving the sealing plate (5) to move is provided in the shell (1), sealing rings (6) are fixed on the outer side of the first water inlet (3) and the inner side of the second water inlet (4), wherein the two sealing rings (6) are pressed against each other, and a water discharge pipe (7) is provided at the bottom of the water bottle (2), wherein the water discharge pipe (7) passes through the bottom surface of the shell (1) and is provided with a sealing head (8).

2. The novel groundwater sampling device according to claim 1, characterized in that, The driving mechanism comprises a rack (9) vertically fixed to the upper end of the sealing plate (5), a gear (10) meshing with the rack (9), and a driving motor (11) fixed in the housing (1) and drivingly connected to the gear (10); a mobile power source is arranged in the housing (1).

3. The novel groundwater sampling device according to claim 2, wherein, Limiting plates (12) are vertically arranged on both sides of the sealing plate (5); a sliding groove (13) is provided on one side of the limiting plate (12) close to the sealing plate (5); and sliding strips (14) adapted to the sliding groove (13) are fixed on both sides of the sealing plate (5).

4. The novel groundwater sampling device according to any one of claims 1-3, characterized in that, It also comprises a reel arranged at the water pumping well head, the top plate of the housing (1) is provided with a connecting rope (15), the connecting rope (15) is connected to the reel, and the outer side of the connecting rope (15) is provided with a scale.

5. The novel groundwater sampling device according to claim 4, wherein, The reel comprises a support plate (16) with a through hole, a support leg (17) arranged at the bottom of the support plate (16), and a winch (18) arranged at the top of the support plate (16); the connecting rope (15) passes through the through hole and is connected to the winch (18).

6. The novel groundwater sampling device according to claim 5, characterized in that, The reel further comprises a guide mechanism, wherein the guide mechanism comprises a first guide wheel (19), a second guide wheel (20) and a third guide wheel (21), wherein the first guide wheel (19) is arranged above the through hole and located on one side of the winch (18), the second guide wheel (20) and the third guide wheel (21) are arranged side by side below the first guide wheel (19), and the connecting rope (15) passes around the first guide wheel (19) and through the gap between the second guide wheel (20) and the third guide wheel (21).

7. The novel groundwater sampling device according to any one of claims 1-3, characterized in that, An anti-jamming mechanism is arranged on the outside of the water extractor, and the anti-jamming mechanism comprises a connecting ring (22) sleeved on the outside of the outer shell (1) and a plurality of rollers (23) arranged in an annular array on the outside of the connecting ring (22), and the rollers (23) are rollingly connected to the inner wall of the pumping well.

8. The novel groundwater sampling device according to claim 7, wherein, A first telescopic rod (24) is arranged between the roller (23) and the connecting ring (22).

9. The novel groundwater sampling device according to claim 8, characterized in that, A plurality of second telescopic rods (25) are annularly arrayed inside the connecting ring (22), and an arc-shaped clamping plate (26) is arranged at one end of the second telescopic rod (25) far away from the connecting ring (22).

10. The novel groundwater sampling device according to claim 9, wherein, A guide cylinder (27) is fixed at the bottom of the outer shell (1). The guide cylinder (27) is in a frustum-shaped structure that is thicker at the top and thinner at the bottom, and the outer diameter of the upper end of the guide cylinder (27) is equal to the outer diameter of the outer shell (1).

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