A groundwater detection device

Abstract

The utility model belongs to water detection equipment technical field, concretely is a kind of underground water detection device, it includes: underframe, the front and rear both ends of underframe are fixedly connected with a connecting plate, the both ends of connecting plate are fixedly connected with an extension plate, the end of four extension plates is rotatably connected with second shaft, the bottom of second shaft is fixedly connected with rotating plate, the end of rotating plate is fixedly connected with sliding sleeve, the inside sliding connection of sliding sleeve has plug rod, is equipped with multiple insertion hole on plug rod, sliding sleeve is slidably connected with bolt, bolt and the mutual engagement between adjacent insertion hole, then the bolt on sliding sleeve is extracted outward, again press plug rod downward, adjust its length from sliding sleeve to adapt ground height or degree of inclination, bolt is inserted in sliding sleeve again, it is convenient to the fixation of plug rod, repeat the same operation, until four plug rods are inserted into ground, at this moment, the device can be effectively fixed.

Description

Technical Field

[0001] This utility model belongs to the technical field of water detection equipment, specifically a groundwater detection device. Background Technology

[0002] Groundwater monitoring devices are specialized equipment used for groundwater environmental monitoring. They typically consist of multi-parameter probes, cables / reels, and data transmission units. They enable real-time data acquisition, transmission, and remote viewing. They are mainly used to detect parameters such as groundwater level, temperature, and conductivity. They are intelligent monitoring tools that can replace traditional manual sampling and operate stably for a long time, and are compatible with different types of groundwater monitoring wells.

[0003] However, when traditional detection devices detect parameters such as groundwater level and temperature, they often use a reel to lower the probe into the target water layer in the groundwater monitoring well to achieve in-situ contact monitoring. However, the reel is usually placed directly near the wellhead. When using the reel on sloping or uneven ground, it is difficult to lay the reel flat, and the center of gravity of the reel is relatively high. Therefore, the reel is prone to tipping over during the cable lowering process, resulting in poor stability.

[0004] Therefore, a testing device is needed to ensure the smooth operation of the testing process by placing the reel stably. Utility Model Content

[0005] Therefore, it is necessary to provide a groundwater detection device that uses rotatable rotating plates at the four ends of the base frame and retractable insert rods at the ends of the rotating plates. When the reel is placed on an inclined or uneven ground, the rotating plates are rotated out and the four insert rods are inserted into the ground for fixation, thereby improving the stability of the reel.

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0007] A groundwater detection device includes a base frame on which a wire-laying structure is mounted. A fixing structure is connected to the base frame, and the fixing structure includes connecting plates. A connecting plate is fixedly connected to both the front and rear ends of the base frame. An extension plate is fixedly connected to both ends of each connecting plate. A second rotating shaft is rotatably connected to the ends of the four extension plates. A rotating plate is fixedly connected to the bottom of the second rotating shaft. A sliding sleeve is fixedly connected to the end of the rotating plate. A plug rod is slidably connected inside the sliding sleeve. The plug rod has multiple insertion holes. A pin is slidably connected to the sliding sleeve, and the pin engages with the adjacent insertion hole.

[0008] Optionally, in one embodiment of the present invention, the two connecting plates are arranged symmetrically, the second rotating shaft has an I-shaped structure, and a torsion spring is fixedly connected between the top of the second rotating shaft and the extension plate.

[0009] Optionally, in one embodiment of the present invention, the cross-section of the insertion rod is T-shaped, the bottom of the insertion rod is tapered, and a spring is fixedly connected between the top of the insertion rod and the sliding sleeve.

[0010] Optionally, in one embodiment of the present invention, the plurality of the sockets are arranged at equal intervals, and the cross-section of the pin is T-shaped.

[0011] Optionally, in one embodiment of the present invention, a baffle plate is fixedly connected between the two extension plates located on the same side. The baffle plate has a U-shaped structure, and one of the baffle plates is provided with a guide structure.

[0012] Optionally, in one embodiment of the present invention, the wire feeding structure includes a first rotating shaft, which is rotatably connected to the base frame. A wire roller is fixedly connected to the center of the first rotating shaft, and a handle is fixedly connected to the end of the first rotating shaft. A cable is wound on the wire roller, and a connector is fixedly connected to the side of the base frame. A probe is fixedly connected to one end of the cable, and the other end of the cable is fixedly connected to the connector.

[0013] Optionally, in one embodiment of the present invention, a connecting wire is fixedly connected to the connector, a data acquisition unit is provided on the side of the base frame, and the connecting wire is fixedly connected to the interface of the data acquisition unit.

[0014] Optionally, in one embodiment of the present invention, the guide structure includes a mounting plate, wherein two mounting plates are fixedly connected to one of the shielding plates near the front end of the base frame, two sliding rods are fixedly connected between the two mounting plates, a slider is slidably connected between the two sliding rods, a connecting frame is fixedly connected to the slider, and a guide roller is rotatably connected to the connecting frame.

[0015] Optionally, in one embodiment of the present invention, the connecting frame has a Y-shaped structure and is inclined.

[0016] Compared with the prior art, the groundwater detection device provided by this utility model has the following characteristics:

[0017] The base platform integrates cable retraction, probe guidance, and real-time data acquisition functions. The device features a deployable anchor structure with adjustable length anchor rods to ensure rapid anchoring on complex terrains such as potholes and slopes. The guide rollers reduce cable wear and ensure verticality during lowering. The overall structure is simple, requiring no complex assembly, thus improving field operation efficiency, data reliability, and operational safety. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0020] Figure 2 for Figure 1 The diagram shown is an enlarged view of the structure of part A.

[0021] Figure 3 This is a schematic diagram of the connection structure between the base frame and the first rotating shaft in Embodiment 1 of this utility model;

[0022] Figure 4 for Figure 3 The diagram shown is an enlarged view of the structure of section B.

[0023] Figure 5 This is a schematic diagram of the connection structure between the sliding sleeve and the insertion rod in Embodiment 1 of this utility model.

[0024] Reference numerals in the attached drawings: 1. Base frame; 2. Wire feeding structure; 201. First rotating shaft; 202. Wire roller; 203. Handle; 204. Cable; 205. Connecting wire; 206. Probe; 3. Data acquisition unit; 4. Fixing structure; 5. Connecting plate; 501. Extension plate; 502. Second rotating shaft; 503. Torsion spring; 504. Rotating plate; 505. Sliding sleeve; 506. Insert rod; 507. Spring; 508. Insertion hole; 509. Pin; 510. Cover plate; 511. Guide structure; 6. Mounting plate; 601. Sliding rod; 602. Sliding block; 603. Connecting frame; 604. Guide roller; 605. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.

[0026] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as upper, lower, front, back, left, right, top, bottom, etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0027] To ensure stable placement of the reel and facilitate smooth testing, a groundwater testing device capable of stably placing the reel was designed. The specific scheme is as follows:

[0028] Example 1

[0029] like Figure 1-5As shown, the groundwater detection device includes a base frame 1, on which a wire laying structure 2 is mounted. A fixing structure 5 is connected to the base frame 1. The fixing structure 5 includes connecting plates 501. A connecting plate 501 is fixedly connected to both the front and rear ends of the base frame 1. An extension plate 502 is fixedly connected to both ends of the connecting plate 501. A second rotating shaft 503 is rotatably connected to the ends of the four extension plates 502. A rotating plate 505 is fixedly connected to the bottom of the second rotating shaft 503. A sliding sleeve 506 is fixedly connected to the end of the rotating plate 505. A plug rod 507 is slidably connected inside the sliding sleeve 506. When the device is used on pits or sloping ground, the rotating plates 505 at the four corners of the base frame 1 are simply extended outwards, and their ends are... The insertion rod 507 is fixed by inserting it into the ground. Multiple insertion holes 509 are provided on the insertion rod 507. A pin 510 is slidably connected to the sliding sleeve 506, and the pin 510 engages with the adjacent insertion hole 509. Two connecting plates 501 are symmetrically arranged. The second rotating shaft 503 has an I-shaped structure. A torsion spring 504 is fixedly connected between the top of the second rotating shaft 503 and the extension plate 502. The insertion rod 507 has a T-shaped cross-section and a tapered bottom. A spring 508 is fixedly connected between the top of the insertion rod 507 and the sliding sleeve 506. The spring 508 facilitates the reset of the insertion rod 507 when the equipment is not in use, allowing the tapered bottom of the insertion rod 507 to retract into the sliding sleeve 506. Internally, to improve safety during transportation, multiple insertion holes 509 are equidistantly arranged. The cross-section of the pin 510 is T-shaped. A shield 511 is fixedly connected between two extension plates 502 on the same side. The shield 511 acts as a safety device, further preventing the tapered part at the bottom of the insertion rod 507 from being exposed to the outside. It is highly flexible. The shield 511 has a U-shaped structure, and one of the shields 511 has a guide structure 6. During operation, simply hold the rotating plate 505 and rotate it around the second rotating shaft 503 at the end of the extension plate 502 to rotate the four rotating plates 505 outward from their initial positions. When no fixation is needed, release the rotating plate 505, and the torsion spring 504 will drive the rotating plate 505 to return to its original position. It is highly flexible. After the rotating plate 505 unfolds outward, the pin 510 on the sliding sleeve 506 is pulled outward, and then the insertion rod 507 is pressed down. The length of the rod extending from the sliding sleeve 506 is adjusted to match the ground height or inclination. After pressing down to the appropriate length, the pin 510 is reinserted into the sliding sleeve 506. At this time, the end of the pin 510 can easily engage with the adjacent insertion holes 509 on the insertion rod 507, which facilitates the fixing of the insertion rod 507. Repeat the same operation until all four insertion rods 507 are inserted into the ground. At this time, the device can be effectively fixed and is very sturdy, making the device stable on the ground. When disassembling, the insertion rod 507 can be retracted by pulling out the pin 510. The operation is simple.

[0030] The wire-laying structure 2 includes a first rotating shaft 201, which is rotatably connected to the base frame 1. A wire roller 202 is fixedly connected to the center of the first rotating shaft 201, and a handle 203 is fixedly connected to the end of the first rotating shaft 201. Rotating the handle 203 causes the wire roller 202 at the center of the first rotating shaft 201 to rotate, and the cable 204 on the wire roller 202 is gradually lowered. The cable 204 is wound around the wire roller 202. A connector 205 is fixedly connected to the side of the base frame 1. A probe 3 is fixedly connected to one end of the cable 204, and the probe 3 is placed inside the wellhead. The other end of the cable 204 is fixedly connected to the connector 205, and a connecting wire 206 is fixedly connected to the connector 205. A data acquisition unit 4 is provided on the side of the frame 1. The connecting cable 206 is fixedly connected to the interface of the data acquisition unit 4. During the lowering process, the cable 204 contacts the guide roller 605. The guide roller 605 rotates with the cable 204 to reduce the friction loss of the cable 204 and ensure the stability of the lowering direction of the cable 204 until the probe 3 at one end of the cable 204 reaches the target water layer in the groundwater monitoring well. Then, the data acquisition operation is carried out to confirm that the other end of the cable 204 is firmly connected to the connector 205 and that the connector 205 is stably connected to the interface of the data acquisition unit 4 through the connecting cable 206. The staff can directly read and record the detection data through the data acquisition unit 4 to complete the real-time data acquisition.

[0031] The guide structure 6 includes a mounting plate 601, on which two mounting plates 601 are fixedly connected to a baffle plate 511 near the front end of the base frame 1. Two sliding rods 602 are fixedly connected between the two mounting plates 601, and a slider 603 is slidably connected between the two sliding rods 602. A connecting frame 604 is fixedly connected to the slider 603, and a guide roller 605 is rotatably connected to the connecting frame 604. The connecting frame 604 has a Y-shaped structure and is inclined. Then, the slider 603 is pushed so that it slides along the sliding rods 602 between the two mounting plates 601 to adjust the position of the slider 603. When the slider 603 moves, it drives the connecting frame 604 at its top to move synchronously, so that the guide roller 605 on the connecting frame 604 is in the position for the adapter cable 204 to be lowered, in preparation for the subsequent guidance of the cable 204.

[0032] Instructions for use:

[0033] When the device is used on uneven or sloping ground, simply extend the rotating plates 505 at the four corners of the base frame 1 outwards and insert the insertion rods 507 at their ends into the ground for fixation. During operation, simply hold the rotating plates 505 and rotate them around the second pivot 503 at the end of the extension plate 502 to rotate the four rotating plates 505 outwards. When no fixation is needed, release the rotating plates 505; the rotating plates 505 will return to their original position via the torsion spring 504. After the rotating plates 505 are extended outwards, pull out the pins 510 on the sliding sleeve 506, then press down on the insertion rods 507 to adjust their position. The length extending from the sliding sleeve 506 is adapted to the ground height or inclination. After pressing down to the appropriate length, the pin 510 is reinserted into the sliding sleeve 506. The end of the pin 510 is easily engaged with the insertion hole 509 to fix the insertion rod 507. When the equipment is not in use, the spring 508 can reset the insertion rod 507, so that the tapered part at the bottom of the insertion rod 507 is placed inside the sliding sleeve 506 to ensure transportation safety. The cover plate 511 at the bottom of the extension plate 502 can act as a safety measure to prevent the tapered part at the bottom of the insertion rod 507 from being exposed.

[0034] Repeat the same operation until all four insertion rods 507 are inserted into the ground, at which point the device is secured and stabilized on the ground. For disassembly, pull out the pin 510 to retract the insertion rod 507, which is convenient. Then, push the slider 603 to slide along the slide bar 602 to adjust its position. As the slider 603 moves, it drives the connecting frame 604 to move synchronously, positioning the guide roller 605 at the lowering position of the cable 204 to guide the subsequent cable 204. Then, place one end of the probe 3 on the guide roller 605 and position the probe 3 inside the wellhead. Turn the handle 203 to rotate the wire roller 202, and the cable 204 will gradually be lowered. The cable 204 will contact the guide roller 605, and the guide roller 605 will rotate accordingly to reduce friction and ensure the stability of the lowering direction of the cable 204 until the probe 3 reaches the target water layer in the groundwater monitoring well. Then, data acquisition operations can be carried out.

[0035] After the probe 3 comes into contact with the groundwater, it automatically collects parameters such as water level, water temperature, and conductivity. The probe 3 has a built-in pressure sensor that measures the hydrostatic pressure at the location of the probe 3. Combined with parameters such as water density and atmospheric pressure, the height of the water surface from the probe 3 is calculated. Then, combined with the well depth, the groundwater level is calculated. Utilizing the characteristic that the resistance of metal changes with temperature, the change in the resistance of the platinum resistance thermometer inside the probe 3 is measured and converted into corresponding water temperature data. The electrodes inside the probe 3 apply a weak current to the water body to measure the conductivity of the water body and directly output the conductivity value, reflecting the salinity and pollution level of the groundwater. The parameters are transmitted to the data acquisition unit 4 through cable 204, connector 205, and connecting wire 206. The staff can directly read and record the detection data through the data acquisition unit 4 to complete the real-time data acquisition.

[0036] After data acquisition is completed, rotate handle 203 in the reverse direction to rotate roller 202 in the reverse direction and retract cable 204. Probe 3 is then retrieved from monitoring well. After retracting insert rod 507 and resetting rotating plate 505, the device can be transferred to storage location.

[0037] The detection device in this solution features an expandable four-corner support structure designed for complex terrains such as potholes and slopes. By rotating the rotating plate 505 to expand it outwards and inserting the insertion rod 507 into the ground, it can be quickly anchored on uneven ground, preventing the device from sliding or tipping over during operation and ensuring the stability and safety of data acquisition.

[0038] The insertion rod 507 is length-adjustable, allowing operators to adjust the insertion depth based on ground conditions such as hardness and slope. The sharp, conical bottom of the insertion rod 507 automatically retracts into the sliding sleeve, and the rotating plate 505 is automatically rotated and stored via a torsion spring 504. This eliminates the risk of injury from the sharp conical tip during transportation and storage.

[0039] A guide roller 605 is provided, which can rotate freely as the cable 204 is lowered, reducing wear on the outer sheath of the cable 204 and extending the service life of the cable 204.

[0040] The structure is simple, mainly consisting of a structure responsible for cable deployment and retraction, and two main components responsible for data acquisition, avoiding complex component assembly and docking, and improving the efficiency of field operations.

[0041] Example 2

[0042] In this embodiment, the structure of the detection device is basically the same as that of Embodiment 1. The difference is that a ratchet locking structure is provided at the joint of the rotating plate 505 and the extension plate 502, so that the rotating plate 505 can be stably suspended at any unfolding angle, which facilitates position adjustment.

[0043] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A groundwater detection device comprising a chassis, a wire laying structure is installed on the chassis, characterized in that: The base frame is connected to a fixed structure, which includes connecting plates. A connecting plate is fixedly connected to both the front and rear ends of the base frame. An extension plate is fixedly connected to both ends of each connecting plate. A second rotating shaft is rotatably connected to the ends of the four extension plates. A rotating plate is fixedly connected to the bottom of the second rotating shaft. A sliding sleeve is fixedly connected to the end of the rotating plate. A plug rod is slidably connected inside the sliding sleeve. The plug rod has multiple insertion holes. A pin is slidably connected to the sliding sleeve. The pin engages with the adjacent insertion hole.

2. The groundwater detection device according to claim 1, characterized in that: The two connecting plates are arranged symmetrically, the second rotating shaft has an I-shaped structure, and a torsion spring is fixedly connected between the top of the second rotating shaft and the extension plate.

3. The groundwater detection apparatus of claim 1, wherein: The insertion rod has a T-shaped cross-section, a tapered bottom, and a spring fixedly connected between the top of the insertion rod and the sliding sleeve.

4. The groundwater detection apparatus of claim 1, wherein: The plurality of the sockets are arranged at equal intervals, and the cross-section of the pin is T-shaped.

5. The groundwater detection apparatus of claim 2, wherein: A baffle plate is fixedly connected between the two extension plates located on the same side. The baffle plate has a U-shaped structure, and one of the baffle plates is provided with a guide structure.

6. The groundwater detection apparatus of claim 1, wherein: The wire feeding structure includes a first rotating shaft, which is rotatably connected to the base frame. A wire roller is fixedly connected to the center of the first rotating shaft, and a handle is fixedly connected to the end of the first rotating shaft. A cable is wound on the wire roller, and a connector is fixedly connected to the side of the base frame. A probe is fixedly connected to one end of the cable, and the other end of the cable is fixedly connected to the connector.

7. The groundwater detection apparatus of claim 6, wherein: A connecting wire is fixedly connected to the connector, and a data acquisition unit is provided on the side of the base frame. The connecting wire is fixedly connected to the interface of the data acquisition unit.

8. The groundwater detection device according to claim 5, characterized in that: The guide structure includes mounting plates, wherein two mounting plates are fixedly connected to one of the shielding plates near the front end of the base frame, two sliding rods are fixedly connected between the two mounting plates, a slider is slidably connected between the two sliding rods, a connecting frame is fixedly connected to the slider, and a guide roller is rotatably connected to the connecting frame.

9. The groundwater detection apparatus of claim 8, wherein: The connecting frame has a Y-shaped structure and is inclined.

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