Sampling device for underground water quality monitoring

Abstract

The utility model relates to the technical field of water quality detection, in particular to a sampling device for underground water quality monitoring, which comprises a supporting part, a collecting part and a sampling part, the collecting part is arranged at one end of the supporting part, the sampling part is arranged at the upper part of the other end of the supporting part, the supporting part comprises a vehicle body and a supporting plate, and the supporting plate is arranged at one end of the vehicle body far away from the collecting part. The collecting part comprises a storage disc and sampling containers, the storage disc is rotationally connected with the vehicle body through a rotating shaft, the sampling containers are arranged on the upper surface of the storage disc in the circumferential direction, the sampling part comprises a rotating disc, a containing frame and a connecting block, the rotating disc is rotationally arranged at the upper end of the supporting plate, and the containing frame is fixedly arranged at the lower end of the rotating disc; a lifting rope is wound on the spool, and the connecting block is arranged at the lower end of the lifting rope and connected with or separated from the sampling container. According to the utility model, the rotatable first gear drives the spool to rotate, and the worm gear drives the storage tray to rotate, so that the sampling work is automatic, and the manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detection, in particular to a sampling device for underground water quality monitoring. Background Art

[0002] Water quality is the abbreviation of water quality. It indicates the physical (such as color, turbidity, odor, etc.), chemical (inorganic and organic content) and biological (bacteria, microorganisms, plankton, benthic organisms) characteristics of water and its composition. Water quality is to evaluate the quality of water bodies, and stipulates a series of water quality parameters and water quality standards. Therefore, it is necessary to conduct regular testing of groundwater quality. When collecting groundwater samples, if the water sample is turbid, the well should be washed first to ensure that the water out of the monitoring well is clean and free of sand. When sampling, except for projects with special requirements, the sampler and water sample container should be washed with the collected water sample first. Water samples for determining sulfide, petroleum, bacteria and radioactivity should also be sampled separately. Therefore, staff need to take samples multiple times in one sampling work. At the same time, it is also necessary to prevent the sampling container from touching the wall of the monitoring well during sampling to avoid damage to the container.

[0003] For example, the patent document with publication number CN215726985U discloses a groundwater quality detection sampling device, including a sampling barrel, a drum and a bottom plate, a cable is wound on the drum, the drum and the sampling barrel are connected by the cable, an opening is arranged on the bottom plate, the column includes a first column and a second column, the first column is arranged on the left side of the opening, and the second column is arranged on the right side of the opening, the drum includes a main cylinder body and a baffle, the baffle includes a first baffle and a second baffle, the first baffle is fixedly arranged on the left side of the main cylinder body, the second baffle is fixedly arranged on the right side of the main cylinder body, the left end of the first baffle is fixedly provided with a first connector, the right end of the second baffle is fixedly provided with a second connector, the first stabilizing frame and the second stabilizing frame are arranged on the left side of the sampling barrel, and the third stabilizing frame and the fourth stabilizing frame are arranged on the right side of the sampling barrel. Although the device can make the container fall stably during the collection process, it needs manual operation, which is relatively labor-intensive. When multiple sampling is required, it is relatively laborious, and the sampling barrel needs to be manually switched each time, which increases the workload and is very inconvenient. Utility Model Content

[0004] The main purpose of the utility model is to provide a sampling device for groundwater quality monitoring, which can effectively solve the above problems.

[0005] The utility model provides the following technical solution: a sampling device for groundwater quality monitoring, comprising a supporting part, a collecting part and a sampling part, wherein the collecting part is arranged at one end of the supporting part, and the sampling part is arranged at the upper part of one end of the supporting part away from the collecting part, the supporting part comprises a vehicle body and a supporting plate, the supporting plate is arranged at one end of the vehicle body away from the collecting part, the collecting part comprises a storage tray and a plurality of sampling containers, the storage tray is rotatably connected to the vehicle body through a rotating shaft, the vehicle body is transmission-connected to the rotating shaft through a worm gear structure, a plurality of sampling containers are circumferentially arranged on the upper surface of the storage tray, the sampling part comprises a turntable, a containing frame and a connecting block, the turntable is rotatably arranged at the upper end of the supporting plate, the containing frame is fixedly arranged at the lower end of the turntable, a spool is rotatably arranged in the containing frame, a suspension rope is wrapped around the spool, the connecting block is arranged at the lower end of the suspension rope, and the connecting block is connected to or separated from the sampling container.

[0006] Furthermore, the sampling part also includes a first gear, a connecting column is arranged between the first gear and the turntable, two ends of the connecting column are respectively fixedly connected to the first gear and the turntable, the connecting column is rotatably connected to the middle part of the support plate, the accommodating frame is arranged on the lower surface of the first gear, a sampling motor is arranged on the outer surface of the accommodating frame, and the output shaft of the sampling motor is fixedly connected to the spool.

[0007] Furthermore, a steering motor is provided at one end of the upper surface of the support plate away from the collecting portion, the output shaft of the steering motor passes through the support plate and a second gear is fixedly provided at the lower end, and the first gear is meshed and transmission-connected with the second gear.

[0008] Furthermore, a mounting groove is provided inside one end of the vehicle body away from the support plate, and the collecting part also includes a rotating shaft and a worm, the upper end of the rotating shaft is rotatably connected to the upper part of the mounting groove, and the lower end is rotatably connected to the bottom surface of the mounting groove, the worm wheel is fixedly arranged in the middle of the rotating shaft, and a worm is rotatably arranged on the side of the vehicle body, the worm wheel is inserted into the mounting groove and is meshingly connected with the worm.

[0009] Furthermore, a driving motor is provided on the side surface of the vehicle body, the output shaft of the driving motor is fixedly connected to the worm, the upper surface of the rotating shaft is fixedly connected to the lower surface of the storage tray, and a plurality of storage holes are opened on the upper surface of the storage tray along the circumferential direction, and the plurality of sampling containers are placed corresponding to the plurality of storage holes.

[0010] Furthermore, a magnetic block is arranged at the upper end of the sampling container, and an electromagnet is arranged in the connecting block, and the electromagnet is connected to or separated from the magnetic block.

[0011] Furthermore, a limiting hole is provided on the lower end surface of the accommodating frame, the end of the sling rope passes through the limiting hole, the upper end of the connecting block is fixedly connected to the sling rope, a connecting groove is provided on the lower surface of the connecting block, the electromagnet is fixedly arranged at the upper end of the connecting groove, and the opening of the connecting groove is trumpet-shaped.

[0012] Furthermore, a sampling hole is provided at one end of the vehicle body away from the storage tray, the sampling hole is located in the support plate, and the connecting block is concentric with or deviates from the sampling hole.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, a rotatable turntable and a first gear are provided, which can drive the sampling motor and the spool to rotate together. The sampling part can perform sampling work or switch the sampling container by rotating the spool. The provided worm gear and worm can drive the storage plate to rotate, and the sampling container can be automatically switched by cooperating with the connecting block. The connecting block and the sampling container are connected by an electromagnet and a magnetic block, which can automatically connect or separate the connecting block and the sampling container, so that the sampling work is automated, manpower is saved, and it is more convenient.

[0015] 2. In the utility model, a limiting hole is provided on the lower surface of the accommodating frame, and the hanging rope is passed through the limiting hole, which stabilizes the hanging rope and can prevent the hanging rope from shaking when extending or retracting, thereby preventing the sampling container from touching the well wall and being damaged.

[0016] 3. In the utility model, retractable fixing piles are arranged on both sides of the vehicle body, which can fix the entire device and prevent the vehicle body from shaking during sampling. The opening at the lower end of the connecting block is arranged in a trumpet shape, which makes it more convenient to connect the connecting block to the sampling container. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of a partially half-section structure of the utility model;

[0020] Figure 3 This is a structural schematic diagram of another viewing angle of the utility model;

[0021] Figure 4 for Figure 3 Schematic diagram of the cross-section structure;

[0022] Figure 5 for Figure 4 The enlarged schematic diagram at A in the middle;

[0023] Figure 6 This is a schematic diagram of the support structure of the utility model;

[0024] Figure 7 This is a schematic diagram of the connecting block structure of the utility model.

[0025] 1. Support part; 11. Vehicle body; 111. Sampling hole; 12. Support plate; 121. First through hole; 122. Second through hole; 13. Mounting slot; 131. Third through hole; 132. Connecting hole; 14. Universal wheel; 15. Connecting plate; 16. Hydraulic cylinder; 161. Fixed pile; 2. Collecting part; 21. Storage tray; 211. Storage hole; 22. Rotating shaft; 23. Worm gear; 24. Worm; 25. Sampling container; 26. Driving motor; 3. Sampling part; 31. Turntable; 32. Connecting column; 33. First gear; 34. Accommodating frame; 341. Limiting hole; 35. Spool; 351. Suspension rope; 36. Sampling motor; 37. Steering motor; 38. Second gear; 39. Connecting block; 391. Electromagnet; 392. Connecting slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Specific implementation examples Figure 1-7 As shown: A sampling device for groundwater quality monitoring, comprising a support part 1, a collecting part 2 and a sampling part 3, wherein the collecting part 2 is arranged at one end of the support part 1, and the sampling part 3 is arranged at the upper part of the end of the support part 1 away from the collecting part 2. The support part 1 comprises a vehicle body 11 and a support plate 12, wherein the support plate 12 is arranged at the end of the vehicle body 11 away from the collecting part 2, and the collecting part 2 comprises a storage tray 21, a worm gear 23 and a plurality of sampling containers 25, wherein the storage tray 21 is rotatably connected to the vehicle body 11, and the worm gear 23 is rotatably arranged inside the vehicle body 11 The storage tray 21 is fixedly connected to the worm gear 23 through the rotating shaft 22, and a plurality of sampling containers 25 are circumferentially arranged on the upper surface of the storage tray 21. The sampling portion 3 includes a turntable 31, a receiving frame 34 and a connecting block 39. The turntable 31 is rotatably arranged on the upper end of the support plate 12, and the receiving frame 34 is fixedly arranged at the lower end of the turntable 31. A spool 35 is rotatably arranged in the receiving frame 34, and a hanging rope 351 is wrapped around the spool 35. The connecting block 39 is arranged at the lower end of the hanging rope 351, and the connecting block 39 is connected to or separated from the sampling container 25.

[0028] Furthermore, a connecting plate 15 is fixedly provided in the middle of both sides of the vehicle body 11, a hydraulic cylinder 16 is provided on the upper surface of the connecting plate 15, a fixed pile 161 is fixedly provided at the end of the piston rod of the hydraulic cylinder 16, and the lower end of the fixed pile 161 is conical, and a plurality of universal wheels 14 are rotatably provided on the lower surface 11 of the vehicle body.

[0029] Furthermore, a mounting groove 13 is provided inside one end of the vehicle body 11 away from the support plate 12, and a third through hole 131 is provided on the upper surface of the mounting groove 13, and the third through hole 131 passes through the upper surface of the vehicle body 11. The collecting part 2 also includes a rotating shaft 22 and a worm 24. The rotating shaft 22 is located in the mounting groove 13, and the upper end of the rotating shaft 22 is rotatably connected to the third through hole 131, and the lower end is rotatably connected to the bottom surface of the mounting groove 13. A connecting hole 132 is provided on the side surface of the vehicle body 11, and the connecting hole 132 passes through the vehicle body 11 and is connected to the mounting groove 13. The worm 24 is rotatably connected to the connecting hole 132. A driving motor 26 is provided on the side surface of the vehicle body 11, and the output shaft of the driving motor 26 is fixedly connected to the worm 24.

[0030] Furthermore, the upper surface of the rotating shaft 22 is fixedly connected to the lower surface of the storage tray 21, and the storage tray 21 is located on the upper surface of the vehicle body 11. The worm gear 23 is fixedly arranged in the middle of the rotating shaft 22. The worm gear 23 is meshingly connected with the worm 24. A plurality of storage holes 211 are opened on the upper surface of the storage tray 21 along the circumferential direction. A plurality of sampling containers 25 are placed corresponding to the plurality of storage holes 211. A magnetic block is arranged at the upper end of the sampling container 25, and an electromagnet 391 is arranged in the connecting block 39. The electromagnet 391 is connected to or separated from the magnetic block. The sampling structure of the sampling container 25 can use a Baylor tube. During sampling, the water-stopping ball in the Baylor tube floats slightly upward under the action of water pressure, and water enters the Baylor tube from the bottom. After the Baylor tube reaches the specified depth, it is left to stand for ten seconds and pulled upward. The water-stopping ball in the tube blocks the water outlet due to the water pressure, and the Baylor tube can be lifted to the ground. The Baylor tube is a prior art, and the specific structure and principle are no longer described.

[0031] Furthermore, the sampling part 3 also includes a first gear 33, a connecting column 32 is arranged between the first gear 33 and the turntable 31, both ends of the connecting column 32 are fixedly connected to the first gear 33 and the turntable 31 respectively, a second through hole 122 is opened in the middle of the upper surface of the support plate 12, the connecting column 32 is rotatably connected to the second through hole 122, the first gear 33 is located on the inner surface of the support plate 12, the accommodating frame 34 is arranged on the lower surface of the first gear 33, and a sampling motor 36 is arranged on the outer surface of the accommodating frame 34, and the output shaft of the sampling motor 36 is fixedly connected to the spool 35.

[0032] Furthermore, a first through hole 121 is provided at one end of the upper surface of the support plate 12 away from the mounting groove 13, and a steering motor 37 is provided on the upper surface of the support plate 12. The output shaft of the steering motor 37 is passed through the first through hole 121, and a second gear 38 is fixedly provided at the lower end of the output shaft of the steering motor 37. The first gear 33 is meshed and transmission-connected with the second gear 38. A rotatable turntable 31 and a first gear 33 are provided, which can drive the sampling motor 36 and the spool 35 to rotate together. By rotating the spool 35, the sampling part 3 can perform sampling work or switch the sampling container 25. The worm gear 23 and the worm 24 provided can drive the placement plate 21 to rotate, and the sampling container 25 can be automatically switched in cooperation with the connecting block 39. The connecting block 39 is connected to the sampling container 25 through an electromagnet 391 and a magnetic block, so that the connecting block 39 can be automatically connected or separated from the sampling container 25, so that the sampling work is automated, manpower is saved, and it is more convenient.

[0033] Furthermore, a limiting hole 341 is provided on the lower end surface of the accommodating frame 34, and the end of the hanging rope 351 passes through the limiting hole 341. The limiting hole 341 can prevent the hanging rope 351 from shaking when moving, thereby stabilizing the hanging rope 351 and preventing the sampling container 25 from touching the wall of the monitoring well and being damaged. The upper end of the connecting block 39 is fixedly connected to the hanging rope 351, and a connecting groove 392 is provided on the lower surface of the connecting block 39. The electromagnet 391 is fixedly arranged at the upper end of the connecting groove 392, and the opening of the connecting groove 392 is trumpet-shaped, so that the connecting block 39 is easier to connect with the sampling container 25.

[0034] Furthermore, a sampling hole 111 is opened at one end of the vehicle body 11 away from the storage tray 21. The sampling hole 111 is located in the support plate 12. After the connecting block 39 adsorbs the sampling container 25, it can fall into the monitoring well along the inside of the sampling hole 111 under the action of the hanging rope 351.

[0035] When a sampling device for groundwater quality monitoring is in use, groundwater is taken to rinse the sampling container 25 and then placed in the storage hole 211 of the storage tray 21, the device is pushed to the monitoring well, and after the sampling hole 111 is aligned with the wellhead of the monitoring well, the hydraulic cylinder 16 is started, and the piston rod of the hydraulic cylinder 16 moves downward, pushing the fixed pile 161 to move downward, so that the fixed pile 161 is inserted into the soil to fix the device, and the steering motor 37 is started. The output shaft of the steering motor 37 rotates, driving the second gear 38 to rotate, and the first gear 33 meshing with the second gear 38 rotates, driving the accommodating frame 34 to rotate. When the connecting block 39 is aligned with one of the sampling containers 25 on the storage tray 21, the steering motor 37 is turned off, and the sampling motor 36 is started. The sampling motor 36 The output shaft rotates, driving the spool 35 to rotate, and the hanging rope 351 extends out along the limiting hole 341, driving the connecting block 39 to descend. When the upper end of the sampling container 25 enters the connecting groove 392, the electromagnet 391 is energized, so that the electromagnet 391 and the magnetic block are tightly adsorbed, the sampling motor 36 is reversed, the hanging rope 351 retracts, and the connecting block 39 drives the sampling container 25 to rise. When the sampling container 25 is separated from the storage hole 211, the sampling motor 36 is turned off, the steering motor 37 is started, the first gear 33 is rotated 180°, and the connecting block 39 is aligned with the sampling hole 111. The steering motor 37 is turned off, the sampling motor 36 is started, the hanging rope 351 is extended, and the connecting block 39 drives the sampling container 25 to descend along the sampling hole 111 and enter the monitoring well for sampling.

[0036] After the sampling work of a sampling container 25 is completed, the sampling motor 36 is reversed to drive the connecting block 39 and the sampling container 25 to move upward. After the bottom of the sampling container 25 moves to above the upper surface of the storage tray 21, the sampling motor 36 is turned off, and the steering motor 37 is started to rotate the first gear 33 180 degrees. The sampling motor 36 is started again, and the sampling container 25 is placed in the storage hole 211. The electromagnet 391 is powered off, and the sampling motor 36 is reversed to drive the connecting block 39 to separate from the sampling container 25. When the lower surface of the connecting block 39 is separated from the upper surface of the sampling container 25, the sampling motor 36 is turned off, and the drive motor 26 is started. The output shaft of the drive motor 26 rotates, driving the worm 24 to rotate, and the worm wheel 23 meshing with the worm 24 rotates. The worm wheel 23 drives the rotating shaft 22 to rotate, and the storage tray 21 rotates to align the next empty sampling container 25 with the connecting block 39. Repeat the above operation to continue the sampling work.

Claims

1. A sampling device for groundwater quality monitoring, characterized in that: The invention comprises a support part (1), a collecting part (2) and a sampling part (3), wherein the collecting part (2) is arranged at one end of the support part (1), and the sampling part (3) is arranged at the upper part of the end of the support part (1) away from the collecting part (2). The support part (1) comprises a vehicle body (11) and a support plate (12), and the support plate (12) is arranged at the end of the vehicle body (11) away from the collecting part (2). The collecting part (2) comprises a storage tray (21) and a plurality of sampling containers (25), and the storage tray (21) is rotatably connected to the vehicle body (11) via a rotating shaft (22), and the vehicle body (11) is connected to the rotating shaft (22) via a worm gear structure. 2) transmission connection, a plurality of the sampling containers (25) are arranged on the upper surface of the storage plate (21) along the circumferential direction, the sampling part (3) comprises a turntable (31), a containing frame (34) and a connecting block (39), the turntable (31) is rotatably arranged on the upper end of the support plate (12), the containing frame (34) is fixedly arranged on the lower end of the turntable (31), a spool (35) is rotatably arranged in the containing frame (34), a hanging rope (351) is wound around the spool (35), the connecting block (39) is arranged at the lower end of the hanging rope (351), and the connecting block (39) is connected to or separated from the sampling container (25).

2. A sampling device for groundwater quality monitoring according to claim 1, characterized in that: The sampling portion (3) further comprises a first gear (33); a connecting column (32) is arranged between the first gear (33) and the rotating disk (31); two ends of the connecting column (32) are respectively fixedly connected to the first gear (33) and the rotating disk (31); the connecting column (32) is rotatably connected to the middle part of the support plate (12); the accommodating frame (34) is arranged on the lower surface of the first gear (33); a sampling motor (36) is arranged on the outer surface of the accommodating frame (34); and an output shaft of the sampling motor (36) is fixedly connected to the spool (35).

3. A sampling device for groundwater quality monitoring according to claim 2, characterized in that: A steering motor (37) is provided at one end of the upper surface of the support plate (12) away from the collecting portion (2); an output shaft of the steering motor (37) passes through the support plate (12) and a second gear (38) is fixedly provided at the lower end; the first gear (33) is meshed and transmission-connected with the second gear (38).

4. A sampling device for groundwater quality monitoring according to claim 1, characterized in that: A mounting groove (13) is provided inside one end of the vehicle body (11) away from the support plate (12); the collecting portion (2) further comprises a rotating shaft (22) and a worm (24); the upper end of the rotating shaft (22) is rotatably connected to the upper part of the mounting groove (13); the lower end is rotatably connected to the bottom surface of the mounting groove (13); the worm wheel (23) is fixedly arranged in the middle of the rotating shaft (22); a worm (24) is rotatably arranged on the side of the vehicle body (11); the worm wheel (23) is inserted into the mounting groove (13) and is meshingly connected to the worm (24) for transmission.

5. A sampling device for groundwater quality monitoring according to claim 4, characterized in that: A driving motor (26) is arranged on the side surface of the vehicle body (11); the output shaft of the driving motor (26) is fixedly connected to the worm (24); the upper surface of the rotating shaft (22) is fixedly connected to the lower surface of the storage tray (21); the upper surface of the storage tray (21) is provided with a plurality of storage holes (211) along the circumferential direction; and the plurality of sampling containers (25) are placed corresponding to the plurality of storage holes (211).

6. A sampling device for groundwater quality monitoring according to claim 1, characterized in that: A magnetic block is arranged at the upper end of the sampling container (25), an electromagnet (391) is arranged inside the connecting block (39), and the electromagnet (391) is connected to or separated from the magnetic block.

7. A sampling device for groundwater quality monitoring according to claim 6, characterized in that: A limiting hole (341) is provided on the lower end surface of the accommodating frame (34), the end of the hanging rope (351) passes through the limiting hole (341), the upper end of the connecting block (39) is fixedly connected to the hanging rope (351), a connecting groove (392) is provided on the lower surface of the connecting block (39), the electromagnet (391) is fixedly arranged at the upper end of the connecting groove (392), and the opening of the connecting groove (392) is horn-shaped.

8. A sampling device for groundwater quality monitoring according to claim 1, characterized in that: A sampling hole (111) is provided at one end of the vehicle body (11) away from the storage tray (21); the sampling hole (111) is located inside the support plate (12); and the connecting block (39) is concentric with or offset from the sampling hole (111).

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