A groundwater monitoring and sampling device for geological disaster prediction

Abstract

The application relates to the field of groundwater sampling, in particular to a groundwater monitoring and sampling device for geological disaster prediction, which comprises a first water collecting box, a gravity block is fixed at the bottom of the first water collecting box, the first water collecting box is provided with symmetrically arranged first water inlets, a rope is connected to the top of the first water collecting box, a second water collecting box is placed on the top of the first water collecting box, a first support frame is fixed to the top of the second water collecting box, symmetrically arranged first winding wheels are rotatably connected to the top of the second water collecting box, a first winding wheel is connected between the first winding wheel and the second water collecting box, and a torsion spring is wound between the first winding wheel and the second water collecting box. The device is cooperated with the float, the pull rope and the gravity block to realize double-depth independent sampling, the fixed-length sampling bottle does not need to be replaced, the problem that the traditional sampling depth is limited by the length of the bottle is broken through, two sampling depths can be flexibly set, accurate horizon water samples can be obtained, the mixed water samples do not affect the detection results, and the sampling, sealing and water taking processes are coherent.

Description

Technical Field

[0001] This invention relates to the field of groundwater sampling, and more particularly to a groundwater monitoring and sampling device for geological disaster prediction. Background Technology

[0002] In groundwater monitoring and sampling for geological disaster prediction, sampling methods for groundwater at different depths are mainly divided into two categories: one is stratified multiple sampling, which involves sequentially lowering sampling equipment to different depths and collecting groundwater samples from each depth in batches; the other is one-time stratified sampling, which involves simultaneously lowering multiple sets of sampling components into the monitoring well to complete the collection of groundwater at different depths at once. The latter is more widely used in geological disaster emergency monitoring and long-term routine monitoring because it is more efficient and can reduce multiple disturbances to the water body in the well.

[0003] However, existing single-stage stratified groundwater sampling technology still has many limitations. This method usually uses an integrated fixed-length sampling bottle or sampling tube combination. During sampling, the entire device is lowered into the monitoring well, and the sampling depth depends entirely on the effective length of the sampling bottle itself. The specific reasons for the limitations are as follows: First, the sampling device does not have an independent depth adjustment structure, and can only rely on the length of the sampling bottle itself to intercept groundwater in the corresponding interval. The sampling depth is directly tied to the length of the sampling bottle. Second, it is impossible to flexibly adjust the sampling depth according to actual monitoring needs. If it is necessary to collect shallower or deeper precise layer water samples, it is limited by the fixed length of the sampling bottle.

[0004] Therefore, we need to develop a groundwater monitoring and sampling device for geological disaster prediction to overcome the above problems. Summary of the Invention

[0005] To address the problems existing in the prior art, this invention provides a groundwater monitoring sampling device for geological disaster prediction that can flexibly set dual sampling depths, achieve independent collection of water samples from two strata, and is not limited by the length of the sampling bottle. This solves the technical problem that existing disposable stratified sampling devices have fixed sampling depths and cannot be flexibly adjusted according to actual monitoring needs.

[0006] This invention is implemented as follows: a groundwater monitoring and sampling device for geological disaster prediction includes a first water collection box, a gravity block fixed to the bottom of the first water collection box, symmetrically arranged first water inlets in the first water collection box, a rope connected to the top of the first water collection box, a second water collection box placed on top of the first water collection box, a first support frame fixed to the top of the second water collection box, symmetrically arranged first winding wheels rotatably connected to the top of the second water collection box, a torsion spring wound between the first winding wheels and the second water collection box, a first pull rope wound on the first winding wheels, a float fixedly connected between the tops of the first pull ropes, the float resting flat on the top of the first support frame, and the rope passing through the middle of the float.

[0007] Furthermore, it also includes a blocking block. The blocking blocks are symmetrically arranged and fixed to the top of the first water collection box. The second water collection box has a second water inlet. The second water inlet and the blocking block are engaged. The first water collection box is connected to the first water outlet pipe, and the second water collection box is connected to the second water outlet pipe.

[0008] Furthermore, electric water valves are respectively installed in the first and second water outlet pipes.

[0009] Furthermore, it also includes a second support frame, which is symmetrically arranged and fixed to the top of the second water collection box. A first air cylinder is fixed on the second support frame. A first one-way water inlet pipe is provided at the bottom of the first air cylinder. A piston rod is slidably connected inside the first air cylinder. A first spring is connected between the piston rod and the first air cylinder. A first arc block is provided at the top of the piston rod. An inclined surface is provided on the first arc block. An arc protrusion is connected to the side of the first winding wheel near the first arc block. The arc protrusion and the first arc block are pressed together.

[0010] Furthermore, it also includes a second air cylinder, which is connected to the second support frame. A piston plate is slidably connected inside the second air cylinder. A one-way water pipe is connected between the first air cylinder and the adjacent second air cylinder. The second air cylinder is equipped with a water outlet valve.

[0011] Furthermore, it also includes a stop plate, which is slidably connected inside the second air cylinder. A threaded rod is fixedly connected to the top of the stop plate, and a nut is rotatably connected to the top of the second air cylinder. The nut and the threaded rod are connected by a thread.

[0012] Furthermore, the first arc block and the piston rod are slidably connected, and a second spring connects the first arc block and the piston rod.

[0013] Furthermore, it also includes a first wedge-shaped component, which is slidably connected to the second water collection box. A third spring connects the first wedge-shaped component and the second water collection box. The first water collection box has symmetrically arranged slots that engage with the first wedge-shaped component.

[0014] Furthermore, it also includes a pull-out frame, which is slidably connected to the second water collection box. The pull-out frame is fixedly connected to the first wedge. The abutment plate is slidably connected to the third wedge. The bottom of the third wedge is pressed and engaged with the piston plate. The abutment plate is slidably connected to the second wedge. The second wedge and the third wedge are pressed and engaged. The second wedge is slidably connected to the pull-out frame.

[0015] Furthermore, it also includes a plug, which is slidably connected inside the first water collection box. A fourth spring connects the plug and the first water collection box. A symmetrically arranged mounting base is connected to the bottom of the second water collection box. A second winding wheel is rotatably connected to the mounting base. A spiral spring connects the second winding wheel and the mounting base. A second pull rope is wound on the second winding wheel. The end of the second pull rope is fixedly connected to the plug. A perforated circular plate is connected to the outside of the second winding wheel. Symmetrical pins are slidably connected to the second water collection box. The pins engage with the holes in the perforated circular plate.

[0016] The beneficial effects of this invention are: 1. This device uses a combination of float, pull rope, and gravity block to achieve independent sampling at two depths without the need to replace fixed-length sampling bottles. This overcomes the problem of traditional sampling depth being limited by bottle length. Two sampling depths can be flexibly set to obtain accurate stratigraphic water samples, avoiding the influence of mixed water samples on the test results. The sampling, sealing, and water collection processes are seamless and easy to operate, greatly improving the efficiency and accuracy of groundwater sampling for geological disaster prediction and meeting the refined needs of geological disaster monitoring.

[0017] 2. This device is equipped with an adjustment mechanism, which allows for flexible adjustment of the first pull rope length via a nut, threaded rod, and abutment plate. This breaks the limitation of the original sampling depth not being adjustable. At the same time, in conjunction with structures such as an air cylinder and spring, the pull rope relaxation length is precisely controlled, and the sampling depth is stably locked. When the rope is retracted and reset, the inclined plane and spring work together to avoid obstruction, without affecting the normal rotation of the winding wheel. The device is easy to adjust and operates stably, effectively improving the adaptability and operational efficiency of water sampling.

[0018] 3. This device is equipped with a locking mechanism that can simultaneously adjust the height of the wedge when adjusting the abutment plate, without interfering with the position of the pull-out frame. When sinking, it firmly locks the first and second water collection boxes, preventing premature separation and the mixing of water samples from non-target depths. After reaching the designated depth, the piston plate drives the wedge to move, automatically releasing the lock and completing the sampling. After resetting and venting water, the piston plate descends, and the spring drives the structure to automatically reset and lock. No manual connection is required throughout the process, improving sampling accuracy and ease of operation.

[0019] 4. This device can precisely adjust the length of the second pull rope and lock the sinking depth of the first water collection box through the winding wheel, pin and perforated circular plate. No manual operation is required underwater. Relying on the mechanical structure of the taut pull rope and the extension and retraction of the spring, the water inlet will automatically open for sampling when the specified depth is reached, and will automatically close after completion. This not only solves the problem of difficult manual operation underwater, but also ensures accurate sampling depth and fully automated operation, greatly improving the convenience and reliability of sampling operation. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a three-dimensional structural cross-sectional view of the first part of the present invention.

[0022] Figure 3 This is a three-dimensional structural cross-sectional view of the second part of the present invention.

[0023] Figure 4 This is a three-dimensional structural diagram of the first arc block, piston rod, and second spring of the present invention.

[0024] Figure 5 For the present invention Figure 2 A schematic diagram of the three-dimensional structure at point A in the middle.

[0025] Figure 6 For the present invention Figure 2 A schematic diagram of the three-dimensional structure at point B.

[0026] In the diagram: 1. First water collection box, 2. Gravity block, 3. First water inlet, 4. Rope, 5. Second water collection box, 6. First support frame, 7. First winding reel, 8. Torsion spring, 9. First pull rope, 10. Float, 11. Second water inlet, 12. Block, 13. First water outlet pipe, 14. Second water outlet pipe, 15. Second support frame, 16. First air pump, 17. First one-way water inlet pipe, 18. Piston rod, 19. First spring, 20. First arc block, 21. Arc protrusion, 2 01. Second spring, 22. Second air cylinder, 23. Piston plate, 24. One-way water pipe, 25. Water outlet valve, 26. Abutment plate, 27. Threaded rod, 28. Nut, 29. First wedge, 30. Third spring, 31. Slot, 32. Pull-out bracket, 33. Second wedge, 34. Third wedge, 35. Plug, 36. Fourth spring, 37. Mounting base, 38. Second winding wheel, 39. Second pull rope, 40. Perforated round plate, 41. Pin, 42. Spiral spring. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0029] Furthermore, the terms “first”, “second”, etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0030] Therefore, features specified with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0032] A groundwater monitoring and sampling device for geological disaster prediction, such as Figures 1-2 As shown, it includes a first water collection box 1, a gravity block 2 fixedly connected to the bottom of the first water collection box 1, first water inlets 3 on both the left and right sides of the first water collection box 1, a rope 4 fixedly connected to the middle of the top of the first water collection box 1, a second water collection box 5 placed on the top of the first water collection box 1, a first support frame 6 fixedly connected to the top of the second water collection box 5, first winding wheels 7 rotatably connected to the front and rear sides of the top of the second water collection box 5, a torsion spring 8 wound between the first winding wheel 7 and the second water collection box 5, a first pull rope 9 wound on the first winding wheel 7, a float 10 fixedly connected between the tops of the first pull ropes 9, the float 10 is placed flat on the top of the first support frame 6, and the rope 4 passes through the middle of the float 10.

[0033] like Figure 2 As shown, it also includes a blocking block 12. The blocking blocks 12, which are symmetrically arranged front and back, are fixedly connected to the top of the first water collection box 1. The bottom of the second water collection box 5 has a second water inlet 11 on both the front and back sides. The second water inlet 11 and the blocking block 12 are engaged. The front of the first water collection box 1 is connected to the first water outlet pipe 13, and the front of the second water collection box 5 is connected to the second water outlet pipe 14. Electric water valves are respectively installed in the first water outlet pipe 13 and the second water outlet pipe 14.

[0034] When using the groundwater monitoring and sampling device for geological disaster prediction, rope 4 serves as the pulling component of the existing pulling equipment. By loosening rope 4 through the pulling equipment, the gravity block 2 causes the first water collection box 1 to sink into the water. Simultaneously, the second water collection box 5 and the first support frame 6 sink together. The float 10 floats on the water surface after contacting it. As the second water collection box 5 and the first support frame 6 continue to sink, the first winding wheel 7 descends, the first pulling rope 9 loosens, and the first winding wheel 7 rotates accordingly. The torsion spring... When the first pull rope 9 is completely relaxed and taut, the first winding wheel 7, the first support frame 6, and the second water collection box 5 stop sinking. At this time, the depth of the second water collection box 5 is equal to the length of the first pull rope 9. Then, the gravity block 2 continues to sink, and the gravity block 2 drives the first water collection box 1 and the block 12 to continue to sink. After the block 12 and the second water inlet 11 separate, the water will enter the second water collection box 5 through the second water inlet 11 for sampling. When the first water collection box 1 sinks to the required sampling depth, the first... Water will automatically enter the first water collection box 1 for sampling through inlet 3. Based on the above, the second water collection box 5 can collect water samples from the first sampling location using the float 10. Simultaneously, the rope 4 is continuously loosened, causing the gravity block 2 to pull the first water collection box 1 down to the second sampling location for sampling. The two water collection boxes sample independently. After sampling is complete, the first water inlet 3 is closed, and then the rope 4 is wound up. The rope 4 pulls the first water collection box 1 and the gravity block 2 upwards. When the first water collection box 1 and the second water collection box 5 weigh... The first water collection box 1 moves upward, which in turn blocks the second water inlet 11. This seals the water sample in the second water collection box 5. Then, the first water collection box 1 continues to move upward, which in turn drives the second water collection box 5 to move upward. The second water collection box 5 drives the first winding wheel 7 to move upward. Under the action of the torsion spring 8, the first winding wheel 7 will reverse and wind up the first pull rope 9. After the first water collection box 1 and the second water collection box 5 are completely removed from the water, the electric water valves in the first water outlet pipe 13 and the second water outlet pipe 14 can be opened to remove the water sample.

[0035] like Figures 2-3 As shown, it also includes a second support frame 15. The symmetrically arranged second support frames 15 are fixed to the front and rear sides of the top of the second water collection box 5. A first air cylinder 16 is fixedly connected to each of the second support frames 15. A first one-way water inlet pipe 17 is provided at the bottom of each first air cylinder 16. A piston rod 18 is slidably connected inside each first air cylinder 16. A first spring 19 is connected between the upper part of the piston rod 18 and the top of the first air cylinder 16. A first arc block 20 is provided at the top of each piston rod 18. An inclined surface is provided on the right side of each first arc block 20. An arc protrusion 21 is fixedly connected to the side of the first winding wheel 7 near the first arc block 20. The arc protrusion 21 and the first arc block 20 are pressed together.

[0036] like Figure 3As shown, it also includes a second air cylinder 22, which is fixedly connected to the second support frame 15. A piston plate 23 is slidably connected inside the second air cylinder 22. A one-way water pipe 24 is connected between the first air cylinder 16 and the adjacent second air cylinder 22. The liquid in the first air cylinder 16 will enter the second air cylinder 22 in one direction through the one-way water pipe 24. A water outlet valve 25 is provided at the lower part of the second air cylinder 22.

[0037] It also includes a retaining plate 26, and the retaining plate 26 is slidably connected inside the second air cylinder 22. The top of the retaining plate 26 is fixedly connected to a threaded rod 27, and the top of the second air cylinder 22 is rotatably connected to a nut 28. The nut 28 and the threaded rod 27 are threadedly connected.

[0038] like Figure 4 As shown, the first arc block 20 and the piston rod 18 are slidably connected, and a second spring 201 is connected between the first arc block 20 and the piston rod 18.

[0039] As mentioned earlier, the sampling depth of the second water collection box 5 is equal to the length of the first pull rope 9. Since the length of the first pull rope 9 is constant, this means that the sampling depth of the second water collection box 5 cannot be adjusted. Therefore, this embodiment sets up an adjustment mechanism to facilitate the adjustment of the sampling depth of the second water collection box 5, so as not to be limited by the length of the first pull rope 9. The specific details are as follows: The threaded rod 27 and the abutment plate 26 can be adjusted upwards and downwards by rotating the nut 28. If the abutment plate 26 is lowered, the length of the first pull rope 9 pulled out becomes shorter, and the sampling depth of the second water collection box 5 becomes shallower. If the abutment plate 26 is raised, the length of the first pull rope 9 pulled out becomes longer, and the sampling depth of the second water collection box 5 becomes deeper. After adjustment, the second water collection box 5 is placed in the water and sinks, and the first pull rope 9 is loosened. The first winding wheel 7 rotates counterclockwise to loosen the first pull rope 9. The counterclockwise rotation of the first winding wheel 7 drives the circular... When the arc protrusion 21 rotates counterclockwise, it contacts the first arc block 20, causing the first arc block 20 to descend. The descent of the first arc block 20 causes the piston rod 18 to descend, compressing the first spring 19. The descending piston rod 18 then draws liquid from the first air cylinder 16 into the second air cylinder 22 through the one-way water pipe 24. This liquid drives the piston plate 23 to rise. When the arc protrusion 21 separates from the first arc block 20, the first spring 19 causes the piston rod 18 and the first arc block 20 to rise and reset. The upward movement of the piston rod 18 will displace external... Water is drawn into the first air cylinder 16 through the first one-way water inlet pipe 17. Repeating the above operation will cause the liquid-driven piston plate 23 to move upward. When the piston plate 23 contacts the bottom, the piston plate 23 can no longer rise. When the arc protrusion 21 continues to contact the first arc block 20, the arc protrusion 21 stops moving, causing the first winding wheel 7 to stop rotating. In this way, the length of the first pull rope 9 can be controlled to adjust the sampling depth of the second water collection box 5. When the sampling is completed and the water is pulled upward from the second water collection box 5, the torsion spring 8... Under the action of the first winding wheel 7, the first winding wheel 7 rotates clockwise to wind the first pull rope 9. During the clockwise rotation of the first winding wheel 7, the arc protrusion 21 rotates clockwise. After the arc protrusion 21 rotates clockwise and comes into contact with the inclined surface of the first arc block 20, it will push the arc protrusion 21 to move inward. The second spring 201 is compressed. When the arc protrusion 21 and the first arc block 20 separate, the second spring 201 drives the first arc block 20 to move outward to reset. In this way, the first arc block 20 will not affect the clockwise rotation and reset of the first winding wheel 7.

[0040] like Figure 2 and Figure 5 As shown, it also includes a first wedge 29, which is slidably connected to the front and rear sides of the second water collection box 5. A third spring 30 is connected between the first wedge 29 and the second water collection box 5. The front and rear sides of the upper part of the first water collection box 1 are provided with slots 31, which are engaged with the first wedge 29.

[0041] like Figure 5As shown, it also includes a pull-out frame 32, which is slidably connected to the front and rear sides of the second water collection box 5. The lower part of the pull-out frame 32 is fixedly connected to the first wedge 29. The third wedge 34 is slidably connected to the abutment plate 26. The bottom of the third wedge 34 is pressed and engaged with the piston plate 23. The upper part of the abutment plate 26 is slidably connected to the second wedge 33. The second wedge 33 and the third wedge 34 are pressed and engaged. The upper part of the second wedge 33 is slidably connected to the pull-out frame 32.

[0042] Because the first water collection box 1 and the second water collection box 5 are stacked but not connected, they are prone to separating when sinking into the water. This can cause water from other depths to enter the second water collection box 5 before it reaches the sampling position. Therefore, a locking mechanism is implemented. When adjusting the height of the abutment plate 26, the heights of the second wedge 33 and the third wedge 34 are also adjusted. However, during the adjustment of the second wedge 33, the sliding fit between the second wedge 33 and the pull-out frame 32 does not affect the height of the pull-out frame 32. After the piston plate 23 rises and contacts the bottom of the third wedge 34, it will drive the third wedge 34 to move upward. When the third wedge 34 moves upward and squeezes the second wedge 33, the second wedge 33 will be pushed outward. The second wedge 33 drives the pull-out frame 32 and the first wedge 29 to move outward, and the third spring 30 is compressed. When the first wedge 29 moves outward and separates from the slot 31, the second... When the water collection box 5 reaches the sampling position, the first water collection box 1 separates from the second water collection box 5. After the block 12 and the second water inlet 11 separate, the water will enter the second water collection box 5 for sampling. After the first water collection box 1 rises and resets, the second water collection box stacks and is lifted out of the water, the water outlet valve 25 can be opened, and the water in the second air cylinder 22 is discharged. The piston plate 23 then descends and resets. After the piston plate 23 and the third wedge 34 separate, the third wedge 34 descends and resets. The third spring 30 drives the first wedge 29 and the pull-out frame 32 to move inward and reset. The first wedge 29 will re-lock onto the slot 31, thereby automatically connecting the water collection box.

[0043] like Figure 2 and Figure 6As shown, it also includes a plug 35, which is slidably connected to the left and right sides of the first water collection box 1. A fourth spring 36 is connected between the plug 35 and the first water collection box 1. Mounting seats 37 are connected to the left and right sides of the bottom of the second water collection box 5. A second winding wheel 38 is rotatably connected to the mounting seat 37. A spiral spring 42 is connected between the second winding wheel 38 and the mounting seat 37. A second pull rope 39 is wound on the second winding wheel 38. The end of the second pull rope 39 is fixedly connected to the plug 35. A perforated circular plate 40 is fixedly connected to the outside of the second winding wheel 38. Pins 41 are slidably connected to the left and right sides of the second water collection box 5. The pins 41 and the holes of the perforated circular plate 40 are engaged.

[0044] like Figures 2-5 As shown above, after the first water collection box 1 sinks to the specified sampling depth, the plug 35 needs to be opened. However, considering that it is difficult to manually control the plug 35 to open when the first water collection box 1 is in the water, the following solution is adopted in this embodiment: First, determine the pull-out length of the second pull rope 39 based on the target sinking depth of the first water collection box 1. During operation, first pull out the pin 41, then manually rotate the second winding wheel 38 clockwise to loosen the second pull rope 39. At this time, the spiral spring 42 is twisted. The loosening length of the second pull rope 39 is the depth at which the first water collection box 1 needs to be lower than the second water collection box 5. After adjustment, reinsert the pin 41 into the perforated circular plate 40 to lock the position of the second winding wheel 38. After the first wedge 29 releases the second water collection box 5, the second water collection box 5 will drive the plug 35 to descend. At this time, the second pull rope 39 is taut, the plug 35 stops moving downward, and the second water collection box 5 continues to descend. At this time, the fourth spring 36 is compressed, and the first water inlet 3 is automatically opened, thus enabling sampling. After completion, the second water collection box 5 rises, the fourth spring 36 stretches and resets, and the plug 35 blocks the first water inlet 3, thus automatically closing the first water inlet 3.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A groundwater monitoring and sampling device for geological disaster prediction, comprising a first water collection box (1), a gravity block (2) fixed at the bottom of the first water collection box (1), a first water inlet (3) symmetrically arranged in the first water collection box (1), and a rope (4) connected to the top of the first water collection box (1), characterized in that, The first water collection box (1) is topped with a second water collection box (5). The second water collection box (5) is topped with a first support frame (6). The top of the second water collection box (5) is rotatably connected with a symmetrically arranged first winding wheel (7). A torsion spring (8) is wound between the first winding wheel (7) and the second water collection box (5). A first pull rope (9) is wound on the first winding wheel (7). A float (10) is fixedly connected between the tops of the first pull rope (9). The float (10) is placed flat on the top of the first support frame (6). A rope (4) passes through the middle of the float (10).

2. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 1, characterized in that, It also includes a block (12), the symmetrically arranged block (12) is fixed on the top of the first water collection box (1), the second water collection box (5) has a second water inlet (11), the second water inlet (11) and the block (12) are engaged, the first water collection box (1) is connected to the first water outlet pipe (13), and the second water collection box (5) is connected to the second water outlet pipe (14).

3. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 2, characterized in that, Electric water valves are installed in the first water outlet pipe (13) and the second water outlet pipe (14).

4. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 3, characterized in that, It also includes a second support frame (15), which is symmetrically arranged and fixed to the top of the second water collection box (5). A first air cylinder (16) is fixed on the second support frame (15). A first one-way water inlet pipe (17) is provided at the bottom of the first air cylinder (16). A piston rod (18) is slidably connected inside the first air cylinder (16). A first spring (19) is connected between the piston rod (18) and the first air cylinder (16). A first arc block (20) is provided at the top of the piston rod (18). An inclined surface is provided on the first arc block (20). An arc protrusion (21) is connected to the side of the first winding wheel (7) near the first arc block (20). The arc protrusion (21) and the first arc block (20) are pressed together.

5. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 4, characterized in that, It also includes a second air cylinder (22), which is connected to the second support frame (15). A piston plate (23) is slidably connected inside the second air cylinder (22). A one-way water pipe (24) is connected between the first air cylinder (16) and the adjacent second air cylinder (22). The second air cylinder (22) is equipped with a water outlet valve (25).

6. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 5, characterized in that, It also includes a retaining plate (26), the retaining plate (26) is slidably connected inside the second air cylinder (22), the top of the retaining plate (26) is fixedly connected to a threaded rod (27), the top of the second air cylinder (22) is rotatably connected to a nut (28), and the nut (28) and the threaded rod (27) are threadedly connected.

7. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 4, characterized in that... The first arc block (20) and the piston rod (18) are slidably connected, and a second spring (201) is connected between the first arc block (20) and the piston rod (18).

8. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 7, characterized in that, It also includes a first wedge (29), which is slidably connected to the second water collection box (5). A third spring (30) is connected between the first wedge (29) and the second water collection box (5). The first water collection box (1) has symmetrically arranged slots (31), which are engaged with the first wedge (29).

9. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 8, characterized in that, It also includes a pull-out frame (32), which is slidably connected to the second water collection box (5). The pull-out frame (32) is fixedly connected to the first wedge (29). The abutment plate (26) is slidably connected to the third wedge (34). The bottom of the third wedge (34) is pressed and engaged with the piston plate (23). The abutment plate (26) is slidably connected to the second wedge (33). The second wedge (33) and the third wedge (34) are pressed and engaged. The second wedge (33) is slidably connected to the pull-out frame (32).

10. The groundwater monitoring and sampling device for geological disaster prediction as described in claim 9, characterized in that, It also includes a plug (35), which is slidably connected inside the first water collection box (1). A fourth spring (36) is connected between the plug (35) and the first water collection box (1). A symmetrically arranged mounting seat (37) is connected to the bottom of the second water collection box (5). A second winding wheel (38) is rotatably connected to the mounting seat (37). A spiral spring (42) is connected between the second winding wheel (38) and the mounting seat (37). A second pull rope (39) is wound on the second winding wheel (38). The end of the second pull rope (39) is fixedly connected to the plug (35). A perforated circular plate (40) is connected to the outside of the second winding wheel (38). A symmetrical pin (41) is slidably connected to the second water collection box (5). The pin (41) and the hole of the perforated circular plate (40) are engaged.

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