Hydrogeological survey sampling device and method

Abstract

The invention relates to the technical field of hydrological survey sampling, and discloses a hydrological geological survey sampling device and method.The hydrological geological survey sampling device comprises a supporting frame, a top plate is arranged above the supporting frame, the top plate and the supporting frame are connected through a plurality of connecting columns, a lifting box is arranged above the supporting frame, and the connecting columns are connected with the lifting box; the lifting box is of a cavity structure with an opening in the bottom end, a lifting mechanism used for driving the lifting box to ascend and descend is installed on the top plate, a sampling box is arranged in the lifting box, a plurality of first sampling holes are formed in the side wall of the sampling box, a supporting column is fixedly connected into the sampling box, and a plurality of partition plates distributed circumferentially are fixedly connected to the supporting column. The partition plates are fixedly connected with the inner wall of the sampling box and are used for dividing the interior of the sampling box into a plurality of sampling chambers; silt and other impurities in a water source are filtered, so that the final detection result is prevented from being influenced, and the detection accuracy is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of hydrological exploration and sampling, and specifically relates to a hydrogeological exploration and sampling device and method. Background Art

[0002] During the hydrogeological survey, water quality sampling is usually carried out at the survey site, and the sampled water samples are brought back for testing in order to obtain data information of the survey site, thereby achieving the purpose of hydrogeological survey. During the hydrogeological survey, in order to identify the hydrogeological conditions, develop and utilize groundwater resources or other special purposes, it is necessary to use various exploration methods to carry out hydrogeological work.

[0003] But it is worth considering that the existing water quality sampling devices do not filter out the silt and other impurities in the water source when continuously sampling water bodies at different depths. These silt and impurities will affect the final test results.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a hydrogeological survey sampling device and method, which effectively solves the problem that the above background technology does not filter out the silt and some other impurities in the water source.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydrogeological survey sampling device, comprising a support frame, a top plate is provided above the support frame, the top plate and the support frame are connected by a plurality of connecting columns, a lifting box is provided above the support frame, the lifting box is a cavity structure with an opening at the bottom, a lifting mechanism for driving the lifting box to lift is installed on the top plate, a sampling box is provided in the lifting box, a plurality of first sampling holes are provided on the side wall of the sampling box, a support column is fixedly connected in the sampling box, a plurality of circumferentially distributed partitions are fixedly connected to the support column, and the partitions are fixedly connected to the inner wall of the sampling box, and the partitions are used to divide the sampling box into a plurality of sampling chambers; A second sampling hole matched with the first sampling hole is opened on the side wall of the lifting box, a plurality of liquid outlet pipes are fixedly connected to the bottom of the sampling box, valves are arranged on the liquid outlet pipes, the lifting box is installed with a rotation unit for driving the sampling box to rotate, and the lifting box is provided with a filtering adjustment structure matched with the second sampling hole.

[0007] Preferably, the rotation unit includes a first connecting shaft fixedly installed on the top of the sampling box, the first connecting shaft is rotatably connected to the lifting box, the top of the first connecting shaft is fixedly connected to a worm gear located above the lifting box, the top of the lifting box is fixedly connected to a first waterproof motor, and the output end of the first waterproof motor is fixedly connected to a worm meshing with the worm gear.

[0008] Preferably, a protective shell is fixedly connected to the top of the lifting box, and the protective shell is a cavity structure with an opening at the bottom, and the worm gear, the first waterproof motor and the worm are all located in the protective shell.

[0009] Preferably, the filter adjustment structure includes a filter sleeve mounted on the outside of the lifting box, a rotating sleeve rotatably connected to the protective shell, the rotating sleeve is equipped with an engaging part adapted to the worm gear, the top of the filter sleeve is fixedly connected to a first connecting frame, and the first connecting frame is fixedly mounted on the top of the rotating sleeve, and the lifting box is equipped with a wiping unit adapted to the filter sleeve.

[0010] Preferably, the engaging member includes a first bevel gear fixedly mounted on the bottom end of the rotating sleeve, and the first bevel gear is located in a protective shell, the top of the lifting box is rotatably connected to a second connecting shaft, and the second connecting shaft is located in the protective shell, the second connecting shaft is fixedly installed with a second bevel gear meshing with the first bevel gear, the outer fixed sleeve of the second connecting shaft is provided with a first sprocket, the worm is fixedly installed with a second sprocket, and the second sprocket and the first sprocket are connected by a chain.

[0011] Preferably, the wiping unit includes a second waterproof motor fixedly installed in the lifting box, and the second waterproof motor is located below the sampling box, the output end of the second waterproof motor is fixedly connected to a connecting plate located outside the lifting box, the top of the connecting plate is fixedly connected to a cleaning brush, and the cleaning brush is in contact with the outer wall of the filter sleeve.

[0012] Preferably, the lifting mechanism includes a second connecting frame fixedly installed on the top of the lifting box, the top of the second connecting frame is fixedly connected to a fixed column, and a rotating sleeve is arranged on the outside of the fixed column, the top of the top plate is fixedly connected to two supporting parts, a winding shaft is rotatably connected between the two supporting parts, the winding shaft and the fixed column are connected by a connecting rope, and the connecting rope passes through the top plate, the external fixed sleeve of the winding shaft is provided with two baffles, and the connecting rope is located between the two baffles, a third waterproof motor is fixedly connected to one of the supporting parts, and the output end of the third waterproof motor is fixedly connected to the winding shaft.

[0013] Preferably, a plurality of rollers are fixedly connected to the bottom of the support frame, a plurality of accommodating holes are opened on the top plate, a rotating ball is rotatably connected in the accommodating holes, a screw rod is fixedly connected to the bottom of the rotating ball, the outer part of the screw rod is sleeved on the threaded sleeve, an insert rod is fixedly connected to the bottom end of the threaded sleeve, two handles are fixedly installed on the threaded sleeve, and a positioner adapted to the rotating ball is installed on the top plate.

[0014] Preferably, the positioner includes a pressing ring arranged above the top plate, the top of the top plate is fixedly connected to two fixing frames, a hydraulic telescopic rod is fixedly installed on the fixing frames, the telescopic end of the hydraulic telescopic rod is fixedly connected to the top of the pressing ring, and the bottom of the pressing ring is provided with a plurality of accommodating grooves adapted to the rotating ball.

[0015] The present invention also provides a hydrogeological survey sampling method, using the hydrogeological survey sampling device as described above, comprising the following steps: Step 1: Move the support frame to the preset survey sampling position, and drive the lifting box down into the water through the lifting mechanism to lower the lifting box to the preset depth; Step 2: The sampling box is driven to rotate relative to the lifting box by the rotation unit, so that a corresponding first sampling hole rotates to one side of the second sampling hole, and water of a preset depth enters one of the sampling chambers through the filter adjustment structure, the second sampling hole and the first sampling hole; Step 3: After sampling of a single sampling chamber is completed, the sampling box is driven to rotate by the rotation unit so that the first sampling hole no longer corresponds to the second sampling hole. When the lifting box descends to the next preset depth, it returns to step 2 until several sampling chambers are filled with water samples, and then the lifting box is driven to move up to the initial height by the lifting mechanism; Step 4: Open the valve on the liquid outlet pipe to allow the water sample in the sampling chamber to be discharged through the liquid outlet pipe, thereby completing the sampling for hydrogeological survey.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The sampling box is driven to rotate relative to the lifting box by the rotation unit, so that the corresponding first sampling hole rotates to the side of the second sampling hole, and the water of the preset depth enters into one of the sampling chambers through the filtering adjustment structure, the second sampling hole and the first sampling hole. When the sampling of a single sampling chamber is completed, the sampling box is driven to rotate by the rotation unit, so that the first sampling hole no longer corresponds to the second sampling hole. When the lifting box descends to the next preset depth, the sampling box is driven to rotate relative to the lifting box by the rotation unit again, and the next sampling can be carried out. When several sampling chambers are filled with water samples, the lifting box is driven to move up to the initial height by the lifting mechanism. The staff opens the valve on the liquid outlet pipe, so that the water sample in the sampling chamber can be discharged through the liquid outlet pipe, and the sampling of the hydrogeological survey is completed. The water bodies at different depths can be sampled continuously, and the silt and some other impurities in the water source are filtered and processed at the same time to avoid affecting the final detection results, thereby improving the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic structural diagram of the bottom of the pressing ring of the present invention.

[0020] Figure 3 It is a structural schematic diagram of the top plate of the present invention.

[0021] Figure 4 It is a schematic structural diagram of the filter sleeve of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure inside the protective shell of the present invention.

[0023] Figure 6 For the present invention Figure 5 A local enlarged schematic diagram of point A in the middle.

[0024] Figure 7 It is a schematic diagram of the structure inside the lifting box of the present invention.

[0025] Figure 8 This is a schematic structural diagram of a cutaway sampling box of the present invention.

[0026] In the figure: 1, support frame; 2, top plate; 3, connecting column; 4, lifting box; 5, sampling box; 6, first sampling hole; 7, liquid outlet pipe; 8, valve; 9, second sampling hole; 10, support column; 11, partition; 12, first connecting shaft; 13, worm gear; 14, first waterproof motor; 15, worm; 16, protective shell; 17, filter sleeve; 18, rotating sleeve; 19, first connecting frame; 20, first bevel gear; 21, second connecting shaft; 22, second bevel gear; 23, first sprocket ; 24. Second sprocket; 25. Chain; 26. Cleaning brush; 27. Connecting plate; 28. Second waterproof motor; 29. ​​Second connecting frame; 30. Fixed column; 31. Connecting rope; 32. Winding shaft; 33. Baffle; 34. Support part; 35. Third waterproof motor; 36. Roller; 37. Insert rod; 38. Accommodating hole; 39. Rotating ball; 40. Screw; 41. Threaded sleeve; 42. Handle; 43. Pressing ring; 44. Accommodating groove; 45. Fixed frame; 46. Hydraulic telescopic rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] Embodiment 1, by Figure 1 , Figure 5 , Figure 7 and Figure 8 The present invention includes a support frame 1, a top plate 2 is provided above the support frame 1, the top plate 2 and the support frame 1 are connected by a plurality of connecting columns 3, a lifting box 4 is provided above the support frame 1, the lifting box 4 is a cavity structure with an opening at the bottom, the top plate 2 is installed with a lifting mechanism for driving the lifting box 4 to lift, a sampling box 5 is provided in the lifting box 4, a plurality of first sampling holes 6 are opened on the side wall of the sampling box 5, a support column 10 is fixedly connected in the sampling box 5, a plurality of circumferentially distributed partitions 11 are fixedly connected to the support column 10, and the partitions 11 are fixedly connected to the inner wall of the sampling box 5, and the partitions 11 are used to divide the sampling box 5 into a plurality of sampling chambers.

[0029] A second sampling hole 9 matched with the first sampling hole 6 is provided on the side wall of the lifting box 4, a plurality of liquid outlet pipes 7 are fixedly connected to the bottom of the sampling box 5, and a valve 8 is provided on the liquid outlet pipe 7. The lifting box 4 is equipped with a rotation unit for driving the sampling box 5 to rotate, and the lifting box 4 is provided with a filter adjustment structure matched with the second sampling hole 9; the sampling box 5 is driven to rotate relative to the lifting box 4 by the rotation unit, so that a corresponding first sampling hole 6 rotates to one side of the second sampling hole 9, and water of a preset depth enters into one of the sampling chambers through the filter adjustment structure, the second sampling hole 9 and the first sampling hole 6. When the sampling of a single sampling chamber is completed, the sampling box 5 is driven to rotate by the rotation unit. So that the first sampling hole 6 no longer corresponds to the second sampling hole 9. When the lifting box 4 descends to the next preset depth, the sampling box 5 is driven to rotate relative to the lifting box 4 again by the rotation unit, and the next sampling can be carried out. When several sampling chambers are filled with water samples, the lifting box 4 is driven to move up to the initial height by the lifting mechanism. The staff opens the valve 8 on the liquid outlet pipe 7, so that the water sample in the sampling chamber can be discharged through the liquid outlet pipe 7, completing the sampling of hydrogeological survey. Water bodies at different depths can be sampled continuously, and the silt and some other impurities in the water source can be filtered and processed to avoid affecting the final detection results, thereby improving the accuracy of the detection.

[0030] Embodiment 2, based on embodiment 1, Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 It is given that the rotation unit includes a first connecting shaft 12 fixedly installed on the top of the sampling box 5, the first connecting shaft 12 is rotatably connected to the lifting box 4, the top of the first connecting shaft 12 is fixedly connected to a worm gear 13 located above the lifting box 4, the top of the lifting box 4 is fixedly connected to a first waterproof motor 14, the output end of the first waterproof motor 14 is fixedly connected to a worm 15 meshing with the worm gear 13, the top of the lifting box 4 is fixedly connected to a protective shell 16, and the protective shell 16 is a cavity structure with an opening at the bottom end, and the worm gear 13, the first waterproof motor 14 and the worm 15 are all located in the protective shell 16.

[0031] The filter adjustment structure includes a filter sleeve 17 sleeved on the outside of the lifting box 4, a rotating sleeve 18 is rotatably connected to the protective shell 16, and the rotating sleeve 18 is equipped with a meshing member adapted to the worm 15. The top of the filter sleeve 17 is fixedly connected to a first connecting frame 19, and the first connecting frame 19 is fixedly sleeved on the top of the rotating sleeve 18. The lifting box 4 is equipped with a wiping unit adapted to the filter sleeve 17. The meshing member includes a first bevel gear 20 fixedly sleeved on the bottom end of the rotating sleeve 18, and the first bevel gear 20 is located in the protective shell 16. The top of the lifting box 4 is rotatably connected to a second connecting shaft 21, and the second connecting shaft 21 is located in the protective shell 16. The second connecting shaft 21 is fixedly installed with a second bevel gear 22 meshing with the first bevel gear 20. The outer fixed sleeve of the second connecting shaft 21 is provided with a first sprocket 23, and the worm 15 is fixedly installed with a second sprocket 24, and the second sprocket 24 and the first sprocket 23 are connected by a chain 25. The wiping unit includes a second waterproof motor 28 fixedly installed in the lifting box 4, and the second waterproof motor 28 is located below the sampling box 5, and the output end of the second waterproof motor 28 is fixedly connected to a connecting plate 27 located outside the lifting box 4, and the top of the connecting plate 27 is fixedly connected to a cleaning brush 26, and the cleaning brush 26 is in contact with the outer wall of the filter sleeve 17; The worm 15 is driven to rotate by the first waterproof motor 14, and the worm 15 drives the first connecting shaft 12 and the sampling box 5 to rotate through the worm wheel 13, so that the position of the sampling box 5 can be changed. The design of the protective shell 16 can protect the components located in the protective shell 16. When the worm 15 rotates, the worm 15 drives the second sprocket 24 to rotate, and the second sprocket 24 drives the second connecting shaft 21 and the second bevel gear 22 to rotate through the chain 25 and the first sprocket 23. The second bevel gear 22 drives the rotating sleeve 18 to rotate through the first bevel gear 20. The rotating sleeve 18 can drive the filter sleeve 17 to rotate through the first connecting frame 19. The filter sleeve 17 rotates relative to the cleaning brush 26, and the cleaning brush 26 rotates relative to the filter sleeve 17. 7 is cleaned, and the cleaned part of the filter sleeve 17 is moved to one side of the second sampling hole 9, and the water can be filtered through the filter sleeve 17, so that the filtered water sample enters the sampling box 5 through the second sampling hole 9 and the first sampling hole 6. When a lot of impurities are accumulated on the cleaning brush 26, the second waterproof motor 28 drives the connecting plate 27 and the cleaning brush 26 to rotate, and the cleaning brush 26 no longer contacts the outer wall of the filter sleeve 17. The cleaning brush 26 rotates in the water, and then the impurities on the cleaning brush 26 are cleaned. When the cleaning brush 26 is finished, the second waterproof motor 28 drives the connecting plate 27 and the cleaning brush 26 to rotate to the initial position, and the cleaning brush 26 contacts the filter sleeve 17 again.

[0032] Embodiment 3, based on embodiment 2, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7It is given that the lifting mechanism includes a second connecting frame 29 fixedly installed on the top of the lifting box 4, the top of the second connecting frame 29 is fixedly connected with a fixed column 30, and the rotating sleeve 18 is sleeved on the outside of the fixed column 30, the top of the top plate 2 is fixedly connected with two supporting parts 34, and a winding shaft 32 is rotatably connected between the two supporting parts 34, the winding shaft 32 and the fixed column 30 are connected by a connecting rope 31, and the connecting rope 31 runs through the top plate 2, the outer fixed sleeve of the winding shaft 32 is provided with two baffles 33, and the connecting rope 31 is located between the two baffles 33, one of the supporting parts 34 is fixedly connected with a third waterproof motor 35, and the output end of the third waterproof motor 35 is fixedly connected to the winding shaft 32, and the bottom of the support frame 1 is fixedly connected with several The dry roller 36 and the top plate 2 are provided with a plurality of accommodating holes 38, in which a rotating ball 39 is rotatably connected, a screw rod 40 is fixedly connected to the bottom of the rotating ball 39, the outer portion of the screw rod 40 is sleeved on a threaded sleeve 41, the bottom end of the threaded sleeve 41 is fixedly connected to an insert rod 37, the threaded sleeve 41 is fixedly provided with two handles 42, a positioner matched with the rotating ball 39 is installed on the top plate 2, the positioner comprises a pressing ring 43 arranged above the top plate 2, two fixing frames 45 are fixedly connected to the top of the top plate 2, a hydraulic telescopic rod 46 is fixedly installed on the fixing frame 45, the telescopic end of the hydraulic telescopic rod 46 is fixedly connected to the top of the pressing ring 43, and a plurality of accommodating grooves 44 matched with the rotating ball 39 are provided at the bottom of the pressing ring 43.

[0033] The winding shaft 32 is driven to rotate by the third waterproof motor 35 to change the length of the connecting rope 31 wound on the winding shaft 32, and then the connecting rope 31 drives the lifting box 4 to move in the vertical direction through the fixing column 30 and the second connecting frame 29. The design of the roller 36 facilitates the driving of the support frame 1 to move to the preset position. When the support frame 1 moves to the preset position, the staff drives the plug rod 37, the threaded sleeve 41 and the screw rod 40 to rotate relative to the top plate 2, and the screw rod 40 drives the rotating ball 39 to rotate relative to the receiving hole 38 to change the inclination angle of the plug rod 37. When the plug rod 37 moves to the preset position, the staff drives the plug rod 37, the threaded sleeve 41 and the screw rod 40 to rotate relative to the top plate 2. When setting the tilt angle, the pressing ring 43 is driven downward by the hydraulic telescopic rod 46 to make the receiving groove 44 on the pressing ring 43 close to the rotating ball 39, and the position of the rotating ball 39 and the screw rod 40 is fixed. The staff drives the threaded sleeve 41 to rotate relative to the screw rod 40 through the handle 42 to move the insertion rod 37 in the direction away from the top plate 2, and finally the insertion rod 37 is inserted into the soil. The position of the support frame 1 and the top plate 2 is limited by a plurality of insertion rods 37, thereby reducing the possibility of the support frame 1 shaking relative to the placement position during geological survey sampling, thereby improving the overall stability.

[0034] A hydrogeological survey sampling method of this embodiment uses the hydrogeological survey sampling device as described above, and includes the following steps: Step 1: The staff moves the support frame 1 to the preset survey sampling position, and drives the lifting box 4 down into the water through the lifting mechanism, so that the lifting box 4 descends to the preset depth; Step 2: The sampling box 5 is driven to rotate relative to the lifting box 4 by the rotation unit, so that a corresponding first sampling hole 6 rotates to one side of the second sampling hole 9, and water of a preset depth enters one of the sampling chambers through the filter adjustment structure, the second sampling hole 9 and the first sampling hole 6; Step 3: After sampling of a single sampling chamber is completed, the sampling box 5 is driven to rotate by the rotation unit so that the first sampling hole 6 no longer corresponds to the second sampling hole 9. When the lifting box 4 descends to the next preset depth, it returns to step 2 until several sampling chambers are filled with water samples, and then the lifting box 4 is driven to move up to the initial height by the lifting mechanism; Step 4: The staff opens the valve 8 on the liquid outlet pipe 7, so that the water sample in the sampling chamber is discharged through the liquid outlet pipe 7, and the sampling of the hydrogeological survey is completed.

[0035] Working principle: The staff moves the support frame 1 to the preset survey sampling position, drives the lifting box 4 down into the water through the lifting mechanism, so that the lifting box 4 drops to the preset depth, and drives the sampling box 5 to rotate relative to the lifting box 4 through the rotation unit, so that the corresponding first sampling hole 6 rotates to the side of the second sampling hole 9, and the water of the preset depth enters one of the sampling chambers through the filtering adjustment structure, the second sampling hole 9 and the first sampling hole 6. When the sampling of a single sampling chamber is completed, the sampling box 5 is driven to rotate through the rotation unit so that the first sampling hole 6 no longer corresponds to the second sampling hole 9. When the lifting box When the sampling chamber 4 descends to the next preset depth, the sampling box 5 is driven to rotate relative to the lifting box 4 by the rotation unit again, and the next sampling can be carried out. When the several sampling chambers are filled with water samples, the lifting box 4 is driven to move up to the initial height by the lifting mechanism, and the staff opens the valve 8 on the liquid outlet pipe 7, so that the water sample in the sampling chamber can be discharged through the liquid outlet pipe 7, and the sampling of hydrogeological survey is completed. The water bodies at different depths can be sampled continuously, and the silt and some other impurities in the water source can be filtered and processed to avoid affecting the final detection results and improve the accuracy of the detection.

[0036] The worm 15 is driven to rotate by the first waterproof motor 14, and the worm 15 drives the first connecting shaft 12 and the sampling box 5 to rotate through the worm wheel 13, so that the position of the sampling box 5 can be changed. The design of the protective shell 16 can protect the components located in the protective shell 16. When the worm 15 rotates, the worm 15 drives the second sprocket 24 to rotate, and the second sprocket 24 drives the second connecting shaft 21 and the second bevel gear 22 to rotate through the chain 25 and the first sprocket 23. The second bevel gear 22 drives the rotating sleeve 18 to rotate through the first bevel gear 20. The rotating sleeve 18 can drive the filter sleeve 17 to rotate through the first connecting frame 19. The filter sleeve 17 rotates relative to the cleaning brush 26, and the cleaning brush 26 rotates relative to the filter sleeve 17. 7 is cleaned, and the cleaned part of the filter sleeve 17 is moved to one side of the second sampling hole 9, and the water can be filtered through the filter sleeve 17, so that the filtered water sample enters the sampling box 5 through the second sampling hole 9 and the first sampling hole 6. When a lot of impurities are accumulated on the cleaning brush 26, the second waterproof motor 28 drives the connecting plate 27 and the cleaning brush 26 to rotate, and the cleaning brush 26 no longer contacts the outer wall of the filter sleeve 17. The cleaning brush 26 rotates in the water, and then the impurities on the cleaning brush 26 are cleaned. When the cleaning brush 26 is finished, the second waterproof motor 28 drives the connecting plate 27 and the cleaning brush 26 to rotate to the initial position, and the cleaning brush 26 contacts the filter sleeve 17 again.

[0037] The winding shaft 32 is driven to rotate by the third waterproof motor 35 to change the length of the connecting rope 31 wound on the winding shaft 32, and then the connecting rope 31 drives the lifting box 4 to move in the vertical direction through the fixing column 30 and the second connecting frame 29. The design of the roller 36 facilitates the driving of the support frame 1 to move to the preset position. When the support frame 1 moves to the preset position, the staff drives the plug rod 37, the threaded sleeve 41 and the screw rod 40 to rotate relative to the top plate 2, and the screw rod 40 drives the rotating ball 39 to rotate relative to the receiving hole 38 to change the inclination angle of the plug rod 37. When the plug rod 37 moves to the preset position, the staff drives the plug rod 37, the threaded sleeve 41 and the screw rod 40 to rotate relative to the top plate 2. When setting the tilt angle, the pressing ring 43 is driven downward by the hydraulic telescopic rod 46 to make the receiving groove 44 on the pressing ring 43 close to the rotating ball 39, and the position of the rotating ball 39 and the screw rod 40 is fixed. The staff drives the threaded sleeve 41 to rotate relative to the screw rod 40 through the handle 42 to move the insertion rod 37 in the direction away from the top plate 2, and finally the insertion rod 37 is inserted into the soil. The position of the support frame 1 and the top plate 2 is limited by a plurality of insertion rods 37, thereby reducing the possibility of the support frame 1 shaking relative to the placement position during geological survey sampling, thereby improving the overall stability.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrogeological survey sampling device, comprising a support frame (1), characterized in that: A top plate (2) is provided above the support frame (1), the top plate (2) and the support frame (1) are connected via a plurality of connecting columns (3), a lifting box (4) is provided above the support frame (1), the lifting box (4) is a cavity structure with an opening at the bottom, a lifting mechanism for driving the lifting box (4) to lift is installed on the top plate (2), a sampling box (5) is provided in the lifting box (4), a plurality of first sampling holes (6) are provided on the side wall of the sampling box (5), a support column (10) is fixedly connected in the sampling box (5), a plurality of circumferentially distributed partitions (11) are fixedly connected to the support column (10), and the partitions (11) are fixedly connected to the inner wall of the sampling box (5), and the partitions (11) are used to divide the sampling box (5) into a plurality of sampling chambers; A second sampling hole (9) matched with the first sampling hole (6) is provided on the side wall of the lifting box (4); a plurality of liquid outlet pipes (7) are fixedly connected to the bottom of the sampling box (5); valves (8) are provided on the liquid outlet pipes (7); a rotation unit for driving the sampling box (5) to rotate is installed on the lifting box (4); and a filtering adjustment structure matched with the second sampling hole (9) is provided on the lifting box (4).

2. A hydrogeological survey sampling device according to claim 1, characterized in that: The rotation unit comprises a first connecting shaft (12) fixedly mounted on the top of the sampling box (5); the first connecting shaft (12) and the lifting box (4) are rotatably connected; the top of the first connecting shaft (12) is fixedly connected to a worm gear (13) located above the lifting box (4); the top of the lifting box (4) is fixedly connected to a first waterproof motor (14); and the output end of the first waterproof motor (14) is fixedly connected to a worm (15) meshing with the worm gear (13).

3. A hydrogeological survey sampling device according to claim 2, characterized in that: A protective shell (16) is fixedly connected to the top of the lifting box (4), and the protective shell (16) is a hollow structure with an opening at the bottom, and the worm wheel (13), the first waterproof motor (14) and the worm (15) are all located in the protective shell (16).

4. A hydrogeological survey sampling device according to claim 3, characterized in that: The filter adjustment structure comprises a filter sleeve (17) sleeved on the outside of the lifting box (4); a rotating sleeve (18) is rotatably connected to the protective shell (16); the rotating sleeve (18) is equipped with a meshing member that matches the worm (15); the top of the filter sleeve (17) is fixedly connected to a first connecting frame (19); the first connecting frame (19) is fixedly sleeved on the top of the rotating sleeve (18); and the lifting box (4) is equipped with a wiping unit that matches the filter sleeve (17).

5. A hydrogeological survey sampling device according to claim 4, characterized in that: The meshing member comprises a first bevel gear (20) fixedly sleeved on the bottom end of the rotating sleeve (18), and the first bevel gear (20) is located in the protective shell (16); the top of the lifting box (4) is rotatably connected to a second connecting shaft (21), and the second connecting shaft (21) is located in the protective shell (16); the second connecting shaft (21) is fixedly mounted with a second bevel gear (22) meshing with the first bevel gear (20); the outer fixed sleeve of the second connecting shaft (21) is provided with a first sprocket (23); the worm (15) is fixedly mounted with a second sprocket (24), and the second sprocket (24) and the first sprocket (23) are connected via a chain (25).

6. A hydrogeological survey sampling device according to claim 4, characterized in that: The wiping unit comprises a second waterproof motor (28) fixedly mounted in the lifting box (4), and the second waterproof motor (28) is located below the sampling box (5), the output end of the second waterproof motor (28) is fixedly connected to a connecting plate (27) located outside the lifting box (4), the top end of the connecting plate (27) is fixedly connected to a cleaning brush (26), and the cleaning brush (26) is in contact with the outer wall of the filter sleeve (17).

7. A hydrogeological survey sampling device according to claim 4, characterized in that: The lifting mechanism comprises a second connecting frame (29) fixedly mounted on the top of the lifting box (4); a fixing column (30) is fixedly connected to the top of the second connecting frame (29); a rotating sleeve (18) is sleeved on the outside of the fixing column (30); two supporting parts (34) are fixedly connected to the top of the top plate (2); a winding shaft (32) is rotatably connected between the two supporting parts (34); the winding shaft (32) and the fixing column (30) are connected by a connecting rope (31); and the connecting rope (31) passes through the top plate (2); two baffles (33) are provided on the outer fixing sleeve of the winding shaft (32); and the connecting rope (31) is located between the two baffles (33); a third waterproof motor (35) is fixedly connected to one of the supporting parts (34); and an output end of the third waterproof motor (35) is fixedly connected to the winding shaft (32).

8. A hydrogeological survey sampling device according to any one of claims 1 to 7, characterized in that: The bottom of the support frame (1) is fixedly connected to a plurality of rollers (36), the top plate (2) is provided with a plurality of receiving holes (38), a rotating ball (39) is rotatably connected in the receiving hole (38), a screw rod (40) is fixedly connected to the bottom of the rotating ball (39), the outer portion of the screw rod (40) is sleeved on a threaded sleeve (41), the bottom end of the threaded sleeve (41) is fixedly connected to an insertion rod (37), the threaded sleeve (41) is fixedly mounted with two handles (42), and a positioner matched with the rotating ball (39) is mounted on the top plate (2).

9. A hydrogeological survey sampling device according to claim 8, characterized in that: The positioner comprises a pressing ring (43) arranged above the top plate (2), the top of the top plate (2) is fixedly connected to two fixing frames (45), a hydraulic telescopic rod (46) is fixedly installed on the fixing frames (45), the telescopic end of the hydraulic telescopic rod (46) is fixedly connected to the top of the pressing ring (43), and a plurality of accommodating grooves (44) adapted to the rotating balls (39) are provided at the bottom of the pressing ring (43).

10. A hydrogeological survey sampling method, using the hydrogeological survey sampling device according to claim 1, characterized in that: The following steps are involved: Step 1: Move the support frame (1) to a preset survey sampling position, and drive the lifting box (4) down into the water through the lifting mechanism, so that the lifting box (4) descends to a preset depth; Step 2: The sampling box (5) is driven to rotate relative to the lifting box (4) by the rotation unit, so that a corresponding first sampling hole (6) rotates to one side of the second sampling hole (9), and water of a preset depth enters one of the sampling chambers through the filter adjustment structure, the second sampling hole (9) and the first sampling hole (6); Step 3: When sampling of a single sampling chamber is completed, the sampling box (5) is driven to rotate by the rotation unit so that the first sampling hole (6) no longer corresponds to the second sampling hole (9). When the lifting box (4) descends to the next preset depth, the process returns to step 2 until a plurality of sampling chambers are filled with water samples, and the lifting box (4) is driven to move up to the initial height by the lifting mechanism. Step 4: Open the valve (8) on the liquid outlet pipe (7) to allow the water sample in the sampling chamber to be discharged through the liquid outlet pipe (7), thereby completing the sampling for hydrogeological survey.

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