Underground water sampling device convenient for detecting different depths

Abstract

The invention discloses an underground water sampling device convenient to detect different depths, which comprises a base and a drill rod, a support frame is slidably connected above the base, the support frame is rotatably connected with the drill rod, a sample storage box is arranged in the drill rod, an output motor is arranged in the drill rod, and the output end of the output motor is fixedly connected with an adjusting threaded rod. The adjusting threaded rod is in threaded connection with a first moving block, a third moving block and a second moving block, the side, away from the sample storage box, of the first moving block is fixedly connected with a sampling box, the sampling box is slidably connected with a cover plate, a water taking block is slidably connected into the sampling box, and the sample storage box in the drill rod and the adjusting threaded rod are connected with the moving blocks. And the sampling box can be accurately sent to a specified depth. Meanwhile, a filter screen with a plurality of groups of filter holes is arranged on one side of the water taking block, impurities such as silt can be effectively filtered out, a small sampling opening is prevented from being blocked by the filter screen, the filter screen can be automatically cleaned through cooperative operation of a half gear, an elliptical sliding ring, a related rack and a cleaning rod, and the filtering performance of the filter screen can be continuously guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of groundwater sampling, and in particular to a groundwater sampling device which is convenient for detecting different depths. Background Art

[0002] The study of groundwater at different depths is of great significance in many fields such as environmental science, hydrogeology, and civil engineering. Accurately obtaining groundwater samples at different depths plays a key role in understanding the distribution of groundwater quality, assessing the quality of groundwater resources, monitoring groundwater pollution, and studying the interaction between geological structures and groundwater.

[0003] However, when sampling, since sampling at different depths is random, it is inevitable that groundwater with more sediment will be encountered during sampling. If groundwater is collected under this condition, since the sampling port is generally set inside the drill pipe, the sampling port is small and is prone to clogging, resulting in sampling failure, and further wasting a lot of manpower and material resources. This patent is to provide a kitchenware storage rack to alleviate the technical problem of inconvenient use of kitchenware storage racks in the prior art. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that, when sampling, since sampling at different depths is random, it is inevitable that groundwater with a lot of sediment will be encountered during sampling. If groundwater is collected under this condition, since the sampling port is generally arranged inside the drill pipe, the sampling port is small and it is easy to get blocked, resulting in sampling failure and further wasting a lot of manpower and material resources. A groundwater sampling device that is convenient for detecting groundwater at different depths is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A groundwater sampling device for facilitating the detection of groundwater at different depths, comprising a base and a drill pipe. A support frame is slidably connected above the base, and the drill pipe is rotatably connected to the support frame. A sample storage box is arranged inside the drill pipe, and an output motor is arranged inside. The output end of the output motor is fixedly connected with an adjustment threaded rod, and the adjustment threaded rod is threadedly connected with a first moving block, a third moving block, and a second moving block. One side of the first moving block away from the sample storage box is fixedly connected with a sampling box, the sampling box is slidably connected with a cover plate, a water intake block is slidably connected inside the sampling box, a filter screen is arranged on one side of the water intake block, a half gear is rotatably connected to the inner wall of the water intake block, an elliptical sliding ring is arranged outside the half gear, a first internal attached rack and a second internal attached rack are fixedly connected to the inner wall of the elliptical sliding ring, a first cleaning rod and a second cleaning rod are fixedly connected to the side surface of the elliptical sliding ring, one end of the half gear away from the water intake block is fixedly connected with a connecting rod, the other end of the connecting rod away from the half gear is fixedly connected with a long gear, a connecting block is fixedly connected to the inner wall of the water intake block, a rotating threaded rod is threadedly connected to the connecting block, an outer sleeve gear is sleeved on the rotating threaded rod, and a worm gear is fixedly connected to the end of the rotating threaded rod away from the connecting block, and the worm gear is meshed with a worm.

[0007] The above technical solution further includes:

[0008] The worm is rotatably connected to the sampling box, the worm gear is rotatably connected to the sampling box, a sample storage water inlet communicating with the square opening is formed on the surface of the sample storage box, a fitting plate is fixedly connected to the side surface of the drill pipe, a square opening is formed on the surface of the fitting plate. The rotational connection mode of the worm, the worm gear and the sampling box ensures the stability and accuracy of power transmission, making the movement control of the water intake block more precise. The connection design of the square openings on the sample storage box and the fitting plate and the sample storage water inlet ensures that groundwater can smoothly flow into the sample storage box from the outside, providing a reliable path for the subsequent collection of samples and improving the fluency of the entire sampling process.

[0009] The elliptical sliding ring is slidably connected to the inner wall of the water intake block.

[0010] The adjustment threaded rod is threadedly connected with a third moving block, one end of the third moving block away from the sample storage box is fixedly connected with a blocking plate, a second moving block threadedly connected with the adjustment threaded rod is arranged at the bottom of the third moving block, and the side surface of the second moving block is used for fixing the sampling box.

[0011] An operating motor for controlling the rotation of the drill pipe is arranged above the support frame, the support frame is threadedly connected with a moving threaded rod, and the moving threaded rod is rotatably connected to the base.

[0012] Inside the water intake block, there is a channel for the flow of geological water. The design of the water flow channel in the water intake block 15 provides a dedicated path for groundwater to enter the sampling box 13, ensuring smooth water flow and avoiding problems such as low sampling efficiency or incomplete sample acquisition caused by poor water flow, effectively improving the collection efficiency of groundwater.

[0013] An opening for the sliding of the water intake block is provided at one end of the sampling box away from the worm gear.

[0014] On the surface of the filter screen, there are multiple groups of filter holes for filtration. The design of multiple groups of filter holes greatly increases the filtration area of the filter screen, enabling more effective interception of sediment, impurities, etc. in groundwater, preventing these impurities from entering the sampling box, ensuring the purity of the collected samples, and providing a reliable sample basis for subsequent water quality testing.

[0015] Inside the sampling box, there is a cavity for storing groundwater.

[0016] Inside the drill pipe, there is a square groove for the storage sample box. The square groove provides a stable installation position for the storage sample box, ensuring the stability of the storage sample box inside the drill pipe, so that it will not displace or shake during the rotation of the drill pipe, ensuring the stability and accuracy of the entire sampling process.

[0017] The present invention has the following beneficial effects:

[0018] 1. In the present invention, through the structural cooperation of the base, moving threaded rod and support frame, the position of the drill pipe can be accurately adjusted, providing a basis for sampling at different depths. The connection of the storage sample box, adjustment threaded rod and each moving block inside the drill pipe can accurately deliver the sampling box to the specified depth. At the same time, the filter screen with multiple groups of filter holes on one side of the water intake block can effectively filter impurities such as sediment, prevent it from blocking the smaller sampling ports, and through the coordinated operation of the half gear, elliptical sliding ring and related racks and cleaning rods, it can automatically clean the filter screen, continuously ensuring its filtration performance, ensuring that in a complex groundwater environment with a lot of sediment, sampling work can be completed efficiently and successfully, avoiding waste of manpower and material resources.

[0019] 2. In the present invention, in terms of operation, through the transmission of the output motor, adjustment threaded rod and various components, the flexible extension and retraction of the water intake block are realized. Combined with the opening and closing control of the plugging plate for the storage water inlet, a perfect sample collection and sealing process is formed, ensuring that the collected groundwater samples are not contaminated by the outside world. In addition, the same sampling box can be installed on the side of the second moving block, enabling water sample collection at different positions that are relatively close at one time, obtaining more comprehensive water quality data, making the sampling data more persuasive, solving the problem of insufficient representativeness of traditional random sampling data, and meeting the requirements for accurate detection of groundwater at different depths. Description of the Drawings

[0020] Figure 1 Schematic structural diagram of a groundwater sampling device for facilitating detection of groundwater at different depths proposed by the present invention;

[0021] Figure 2 Partial structural diagram in the present invention;

[0022] Figure 3 Schematic structural diagram of the fixed box in the present invention;

[0023] Figure 4 Schematic structural diagram of the sampling box in the present invention;

[0024] Figure 5 Schematic structural diagram of the cleaning mechanism in the present invention;

[0025] Figure 6 is Figure 4 Enlarged schematic diagram at position A in

[0026] Figure 7 is Figure 4 Enlarged schematic diagram at position B in

[0027] Figure 8 Schematic structural diagram of the blocking plate in the present invention.

[0028] In the figure: 1, base; 2, moving threaded rod; 3, drill rod; 4, support frame; 5, square groove; 6, sample storage box; 7, fitting plate; 8, square opening; 9, sample storage water inlet; 10, output motor; 11, adjusting threaded rod; 12, first moving block; 13, sampling box; 14, cover plate; 15, water intake block; 16, filter screen; 17, long gear; 18, connecting rod; 19, elliptical sliding ring; 20, first internal attached rack; 21, second internal attached rack; 22, first cleaning rod; 23, second cleaning rod; 24, rotating threaded rod; 25, outer gear; 26, connecting block; 27, worm gear; 28, worm; 29, blocking plate; 30, second moving block; 31, third moving block; 32, half gear. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying 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.

[0030] Please refer to Figures 1-8As shown in the figure, the present invention is a groundwater sampling device convenient for detecting groundwater at different depths, including a base 1 and a drill pipe 3. A support frame 4 is slidably connected above the base 1, the support frame 4 is rotatably connected to the drill pipe 3, a sample storage box 6 is arranged inside the drill pipe 3, an output motor 10 is arranged inside, the output end of the output motor 10 is fixedly connected with an adjustment screw rod 11, the adjustment screw rod 11 is threadedly connected with a first moving block 12, a third moving block 31, and a second moving block 30. One side of the first moving block 12 away from the sample storage box 6 is fixedly connected with a sampling box 13, the sampling box 13 is slidably connected with a cover plate 14, a water intake block 15 is slidably connected inside the sampling box 13, a filter screen 16 is arranged on one side of the water intake block 15, a half gear 32 is rotatably connected to the inner wall of the water intake block 15, an elliptical sliding ring 19 is arranged outside the half gear 32, a first internal attached rack 20 and a second internal attached rack 21 are fixedly connected to the inner wall of the elliptical sliding ring 19, a first cleaning rod 22 and a second cleaning rod 23 are fixedly connected to the side surface of the elliptical sliding ring 19, one end of the half gear 32 away from the water intake block 15 is fixedly connected with a connecting rod 18, one end of the connecting rod 18 away from the half gear 32 is fixedly connected with a long gear 17, a connecting block 26 is fixedly connected to the inner wall of the water intake block 15, a rotating screw rod 24 is threadedly connected to the connecting block 26, an outer sleeve gear 25 is sleeved outside the rotating screw rod 24, and one end of the rotating screw rod 24 away from the connecting block 26 is fixedly connected with a worm gear 27, and the worm gear 27 is meshed with a worm 28.

[0031] In one embodiment, the worm 28 is rotatably connected with the sampling box 13, the worm gear 27 is rotatably connected with the sampling box 13, a sample storage water inlet 9 communicating with the square opening 8 is arranged on the surface of the sample storage box 6, a fitting plate 7 is fixedly connected to the side surface of the drill pipe 3, and a square opening 8 is arranged on the surface of the fitting plate 7.

[0032] In this embodiment, the rotational connection mode of the worm 28, the worm gear 27 and the sampling box 13 ensures the stability and accuracy of power transmission, making the movement control of the water intake block 15 more precise. The communication design of the square opening 8 on the sample storage box 6 and the fitting plate 7 and the sample storage water inlet 9 ensures that groundwater can smoothly flow into the sample storage box 6 from the outside, providing a reliable path for the subsequent collection of samples and improving the fluency of the entire sampling process.

[0033] In one embodiment, the elliptical sliding ring 19 is slidably connected with the inner wall of the water intake block 15.

[0034] In one embodiment, the adjustment screw rod 11 is threadedly connected with a third moving block 31, one end of the third moving block 31 away from the sample storage box 6 is fixedly connected with a blocking plate 29, a second moving block 30 threadedly connected with the adjustment screw rod 11 is arranged at the bottom of the third moving block 31, and the side surface of the second moving block 30 is used for fixing the sampling box 13.

[0035] In this embodiment, this connection method enables the adjustment screw rod 11 to precisely control the position of the third moving block 31, thereby accurately controlling the opening and closing of the blocking plate 29, effectively achieving the sealing and opening of the sample storage water inlet 9, and ensuring the collection and sealing of samples. At the same time, the fixing effect of the second moving block 30 on the sampling box 13 enhances the stability of the sampling box 13 during the sampling process and ensures the smooth progress of the sampling work.

[0036] In one embodiment, an operating motor for controlling the rotation of the drill rod 3 is provided above the support frame 4, and the support frame 4 is threadedly connected with a moving screw rod 2, and the moving screw rod 2 is rotatably connected with the base 1.

[0037] In this embodiment, the operating motor provides power for the rotation of the drill rod 3, facilitating the quick adjustment of the angle and position of the drill rod 3 to meet the sampling requirements of groundwater at different depths. The connection of the moving screw rod 2 with the base 1 and the support frame 4 ensures the stability of the entire device when adjusting the position of the drill rod 3, and enables flexible and precise positioning to the required sampling position.

[0038] In one embodiment, a channel for the flow of geological water is provided inside the water intake block 15.

[0039] In this embodiment, the design of the water flow channel in the water intake block 15 provides a dedicated path for groundwater to enter the sampling box 13, ensuring the smooth flow of water, avoiding problems such as low sampling efficiency or incomplete sample acquisition caused by poor water flow, and effectively improving the groundwater collection efficiency.

[0040] In one embodiment, an opening for the sliding of the water intake block 15 is provided at one end of the sampling box 13 away from the worm gear 27.

[0041] In this embodiment, this opening provides space for the sliding of the water intake block 15, enabling the water intake block 15 to flexibly extend and retract, thereby better completing the collection and storage of groundwater, and also facilitating the maintenance and cleaning of the water intake block 15.

[0042] In one embodiment, multiple groups of filter holes for filtration are provided on the surface of the filter net 16.

[0043] In one embodiment, a cavity for storing groundwater is provided inside the sampling box 13.

[0044] In one embodiment, a square groove 5 for the storage box 6 is provided inside the drill rod 3.

[0045] The working principle of a groundwater sampling device for facilitating the detection of different depths in the present invention is to place 1 at the position where drilling is required, and then the position of the drill rod 3 on the support frame 4 can be adjusted using the moving screw rod 2 to prepare for subsequent sampling.

[0046] Control the rotation of the drill pipe 3. After the sample storage box 6 reaches the specified position, the blocking plate 29 on the side of the third moving block 31 moves downward under the rotation of the output motor 10, and the sampling box 13 fixed on the side of the first moving block 12 takes a sample. At this time, rotate the worm 28, and the worm 28 drives the worm wheel 27 to rotate. At this time, the connecting block 26 threadedly connected to the worm wheel 27 drives the water intake block 15 to slide. The water intake block 15 slides out from the sample storage water inlet 9 and extends to the outside of the fitting plate 7. At this time, groundwater will enter along the filter screen 16 into the inside of the water intake block 15 and further into the inside of the sampling box 13. At this time, the outer sleeve gear 25 outside the threaded rod 24 meshes with the long gear 17. At this time, the connecting block 26 still meshes with the threaded rod 24. The long gear 17 rotates to drive the half gear 32 to rotate. The half gear 32 meshes with the second internal attached rack 21 to drive the elliptical sliding ring 19 to move upward. After the half gear 32 meshes with the second internal attached rack 21, it will continue to mesh with the first internal attached rack 20. When meshing with the first internal attached rack 20, the elliptical sliding ring 19 moves downward. The first cleaning rod 22 and the second cleaning rod 23 fixed on the side of the elliptical sliding ring 19 clean the surface of the filter screen 16. Then control the worm 28 to rotate in the reverse direction. The reverse meshing of the worm 28 and the worm wheel 27 causes the elliptical sliding ring 19 to move downward first and then upward, and the forward and reverse rotation of the threaded rod 24 meshes with the connecting block 26. The water intake block 15 will slide on the inner wall of the sampling box 13. Finally, the sampling is completed, the water intake block 15 is retracted into the sampling box 13, and the output motor 10 is controlled to rotate so that the blocking plate 29 blocks the sample storage water inlet 9.

[0047] A sampling box 13 for sampling, which is the same as that on the side of the first moving block 12, can be installed on the side of the second moving block 30, and water quality at relatively close distances can be sampled at one time, thereby ensuring that the sampling data is more persuasive.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and deformations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A groundwater sampling device that is convenient for detecting groundwater at different depths, characterized in that, It includes a base (1) and a drill pipe (3). A support frame (4) is slidably connected above the base (1), and the support frame (4) is rotatably connected to the drill pipe (3). A sample storage box (6) is arranged inside the drill pipe (3), and an output motor (10) is arranged inside. The output end of the output motor (10) is fixedly connected to an adjustment screw rod (11). The adjustment screw rod (11) is threadedly connected to a first moving block (12), a third moving block (31), and a second moving block (30). One side of the first moving block (12) away from the sample storage box (6) is fixedly connected to a sampling box (13). A cover plate (14) is slidably connected to the sampling box (13). A water intake block (15) is slidably connected inside the sampling box (13). A filter screen (16) is arranged on one side of the water intake block (15). A half gear (32) is rotatably connected to the inner wall of the water intake block (15). An elliptical sliding ring (19) is arranged outside the half gear (32). A first internal attached rack (20) and a second internal attached rack (21) are fixedly connected to the inner wall of the elliptical sliding ring (19). A first cleaning rod (22) and a second cleaning rod (23) are fixedly connected to the side of the elliptical sliding ring (19). One end of the half gear (32) away from the water intake block (15) is fixedly connected to a connecting rod (18). One end of the connecting rod (18) away from the half gear (32) is fixedly connected to an elongated gear (17). An adapter block (26) is fixedly connected to the inner wall of the water intake block (15). A rotating screw rod (24) is threadedly connected to the adapter block (26). An outer sleeve gear (25) is sleeved on the rotating screw rod (24). One end of the rotating screw rod (24) away from the adapter block (26) is fixedly connected to a worm gear (27). The worm gear (27) is meshed with a worm (28); Control the rotation of the drill pipe (3). After the sample storage box (6) reaches the designated position, the blocking plate (29) on the side of the third moving block (31) moves downward under the rotation of the output motor (10). The sampling box (13) fixed to the side of the first moving block (12) takes a sample. At this time, rotate the worm (28), and the worm (28) drives the worm wheel (27) to rotate. At this time, the connecting block (26) threadedly connected to the worm wheel (27) drives the water intake block (15) to slide. The water intake block (15) slides out from the sample storage water inlet (9) and extends to the outside of the fitting plate (7). At this time, groundwater will enter along the filter screen (16) into the inside of the water intake block (15) and further into the inside of the sampling box (13). At this time, the outer sleeve gear (25) of the rotating threaded rod (24) meshes with the long gear (17). At this time, the connecting block (26) still meshes with the rotating threaded rod (24). The long gear (17) rotates to drive the half gear (32) to rotate. The half gear (32) meshes with the second internal attached rack (21) to drive the elliptical sliding ring (19) to move upward. After the half gear (32) meshes with the second internal attached rack (21), it will continue to mesh with the first internal attached rack (20). When meshing with the first internal attached rack (20), the elliptical sliding ring (19) moves downward. The first cleaning rod (22) and the second cleaning rod (23) fixed to the side of the elliptical sliding ring (19) clean the surface of the filter screen (16). Then control the worm (28) to rotate in the reverse direction. The worm (28) meshes with the worm wheel (27) in the reverse direction to make the elliptical sliding ring (19) move downward first and then upward. The positive and reverse rotation of the rotating threaded rod (24) meshes with the connecting block (26). The water intake block (15) will slide on the inner wall of the sampling box (13). Finally, the sampling is completed. The water intake block (15) is retracted into the sampling box (13), and the output motor (10) is controlled to rotate so that the blocking plate (29) blocks the sample storage water inlet (9).

2. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that, The worm (28) is rotatably connected to the sampling box (13), the worm wheel (27) is rotatably connected to the sampling box (13), a sample storage water inlet (9) communicating with the square opening (8) is formed on the surface of the sample storage box (6), a fitting plate (7) is fixedly connected to the side of the drill pipe (3), and a square opening (8) is formed on the surface of the fitting plate (7).

3. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that, The elliptical sliding ring (19) is slidably connected to the inner wall of the water intake block (15).

4. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that, The adjusting threaded rod (11) is threadedly connected to a third moving block (31). One end of the third moving block (31) away from the sample storage box (6) is fixedly connected to a blocking plate (29). A second moving block (30) threadedly connected to the adjusting threaded rod (11) is arranged at the bottom of the third moving block (31). The side of the second moving block (30) is used to fix the sampling box (13).

5. A groundwater sampling device for facilitating the detection of groundwater at different depths according to claim 1, characterized in that, Above the support frame (4), an operating motor for controlling the rotation of the drill pipe (3) is provided. The support frame (4) is threadedly connected to a moving threaded rod (2), and the moving threaded rod (2) is rotatably connected to the base (1).

6. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that A channel for the flow of geological water is provided inside the water intake block (15).

7. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that An opening for the sliding of the water intake block (15) is provided at one end of the sampling box (13) away from the worm gear (27).

8. A groundwater sampling device for facilitating the detection of groundwater at different depths according to claim 1, characterized in that, Multiple groups of filtering holes for filtering are provided on the surface of the filter screen (16).

9. The groundwater sampling device according to claim 1, which is convenient for detecting groundwater at different depths, is characterized in that A cavity for storing groundwater is provided inside the sampling box (13).

10. A groundwater sampling device for facilitating the detection of groundwater at different depths according to claim 1, characterized in that, A square groove (5) of the sample storage box (6) is provided inside the drill pipe (3).

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