Hydrological survey equipment using sampling tool

Abstract

The invention discloses hydrological survey equipment using a sampling tool, the hydrological survey equipment comprises a mounting bracket, one side of the mounting bracket is provided with a depth survey structure, the hydrological survey equipment also comprises a sampling groove seat, an arc-shaped sampling cylinder and a semicircular closed cover, the depth survey structure can drive the sampling groove seat to descend into a water body, and the sampling groove seat is internally provided with a rotary mounting assembly; the multiple arc-shaped sampling cylinders are circumferentially distributed on the rotary mounting assembly, when the sampling groove base descends into a water body, the arc-shaped sampling cylinders are driven by the rotary mounting assembly to move, sediment samples on a riverbed are collected, the semicircular sealing cover is fixedly connected into the sampling groove base, a through open groove is formed in the side wall of the semicircular sealing cover, and the through open groove is communicated with the arc-shaped sampling cylinders. A sliding support is fixedly connected into the through open groove. The invention is used for solving the problems that a sampling tool used by hydrological survey equipment in the prior art is difficult to ensure that a plurality of contrast mud samples can be collected in a single water body sampling process, and the mud samples are prevented from leaking.

Description

Technical Field

[0001] This invention relates to the field of hydrological surveying technology, and more specifically to a hydrological surveying device using sampling tools. Background Technology

[0002] Hydrological surveying refers to the scientific and technological process of using modern surveying, sensing, analysis, and information technology to investigate and detect the hydrological cycle elements, pollutants, ecological and environmental factors, and spatial distribution and temporal variation patterns of polluted or potentially polluted water bodies. Because the hydrological environment is closely related to people's daily lives in areas such as drinking water, agriculture, and industry, current hydrological surveying technology is not simply about understanding natural hydrological laws, but rather about serving the discovery, diagnosis, control, and remediation of water pollution problems, providing information for hydrological environmental management.

[0003] Currently, treated water discharged into environmental water bodies from industrial sectors, as well as domestic water discharged into environmental water bodies from urban pipe network outlets, all pose pollution hazards. Therefore, when conducting preliminary testing on potentially polluted environmental water bodies, it is first necessary to quickly perform three-dimensional hydrological area measurement at the discharge area, and to sample the pollutants and water bodies in the environmental water body after receiving the discharged water. Then, the water samples are tested using specialized solid or water samples to determine the pollution status of the environmental water body mixed with the discharged water.

[0004] Current methods for surveying water levels and depths, and sampling sediment mixtures from riverbeds, require lowering a sampling tool into the water. After collecting the sediment mixture from the bottom, the tool is moved upwards, and finally, both the tool and the sediment mixture are removed from the water. However, during this upward movement, the sediment mixture's high fluidity makes it prone to detaching from the sampling tool due to downward forces within the water. Furthermore, the composition of the sediment varies at different depths within the water, leading to dilution during upward movement. This results in insufficient sample volume and mixed components, affecting the accuracy of subsequent sediment sample analysis.

[0005] To address the aforementioned technical problems, existing technologies utilize samplers with sealed caps (such as the riverbed silt sampler disclosed in Chinese Patent Publication No. CN221764983U) to sample sediment mixtures within water bodies. After collecting the sediment mixture, a cover plate is used to seal the top of the sampler, thus keeping it sealed as it rises from the water body. This overcomes the problems of sediment shedding and dilution during sample extraction. However, when using a sampler with a cover plate to sample sediment, it is generally only possible to perform a single sampling operation. That is, each sampler can mostly only perform a single sampling operation. Reusing a single sampler or using multiple samplers at once to collect multiple comparison mud samples from the same sampling location increases the collection time of sediment mixtures at the bottom of the water body. Furthermore, using too many cover plates and corresponding cover plate driving structures also increases the production cost of the sampler. Summary of the Invention

[0006] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a hydrological surveying device that uses sampling tools to solve the problem mentioned in the background art, where the sampling tools used in existing hydrological surveying devices are difficult to guarantee the collection of multiple comparative mud samples during a single water sampling process, and to prevent mud sample leakage.

[0007] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: a hydrological surveying device using sampling tools, comprising a mounting bracket, wherein a depth surveying structure is provided on one side of the mounting bracket, and further comprising: The sampling tank seat, wherein the depth survey structure can drive the sampling tank seat to descend into the water body, and the sampling tank seat is provided with a rotating installation assembly; Multiple arc-shaped sampling tubes are arranged in a circular pattern on the rotating mounting assembly. When the sampling trough seat is lowered into the water body, the arc-shaped sampling tubes are moved by the rotating mounting assembly to collect sediment samples from the riverbed. This allows multiple arc-shaped sampling tubes to collect multiple comparative sediment samples at the same sampling location. A semi-circular enclosed cover is fixedly connected to the sampling slot. The side wall of the semi-circular enclosed cover has a through slot. A sliding bracket is fixedly connected in the through slot. Multiple sealing plates are slidably arranged in the sliding bracket. The sealing plates are used to seal the arc-shaped sampling tube after collecting the sediment sample, and then the sampling slot is lifted to take out the sediment sample.

[0008] According to an exemplary embodiment of this disclosure, the depth surveying structure includes an unwinding trough, an unwinding tape layer, a bending detection rod, and a rotary sensor. The unwinding trough is fixedly connected to the mounting bracket, and a take-up drum seat is rotatably connected to the unwinding trough. A first drive motor is provided on the unwinding trough to drive the take-up drum seat to rotate. The unwinding tape layer is wound on the unwinding trough. One side of the unwinding tape layer is fixedly connected to the sampling trough seat via a mounting base. The bending detection rod is fixedly connected to the mounting base. The bending detection rod descends together with the sampling trough seat to detect the water depth. The rotary sensor is provided between the unwinding trough and the take-up drum seat to measure the unwinding length of the unwinding tape layer.

[0009] According to the aforementioned technical solution, further, the unwinding tape layer is provided with a receiving groove.

[0010] According to an exemplary embodiment of this disclosure, the rotating mounting assembly includes a rotating cylinder seat and a gearbox. The rotating cylinder seat is rotatably connected to the sampling slot seat. A plurality of arc-shaped sampling cylinders are circumferentially fixedly connected to the rotating cylinder seat, driving the plurality of arc-shaped sampling cylinders to rotate around the center point of the rotating cylinder seat. The gearbox is fixedly connected to the sampling slot seat. A second drive motor is provided on the sampling slot seat. The output end of the second drive motor and the rotating cylinder seat are connected by a gearbox transmission.

[0011] Furthermore, according to the aforementioned technical solution, both sides of the interior of the semi-circular enclosure are provided with arc-shaped sliding grooves, both sides of the sealing plate are provided with sliding grooves, the sliding grooves fit into the arc-shaped sliding grooves, and both sides of the sealing plate are provided with tension grooves.

[0012] Furthermore, according to the aforementioned technical solution, a sliding cylinder is provided on the sliding bracket, and a push rod is slidably connected inside the sliding cylinder. The push rod is used to push the plurality of sealing pieces to slide along the sliding bracket, and a spring damper is provided inside the push rod and the sliding cylinder.

[0013] Based on this embodiment, a material-collecting plate is provided inside the arc-shaped sampling cylinder, a pull rope is provided on the material-collecting plate, a receiving cylinder is provided on the side wall of the arc-shaped sampling cylinder, and one side of the pull rope is connected to the receiving cylinder.

[0014] Based on this embodiment, the mounting bracket is further provided with a sliding fork, a sample receiving plate is slidably mounted on the sliding fork, a filtrate chamber is provided on the sample receiving plate, a filter layer is provided at the top of the filtrate chamber, and a drain valve pipe is connected to the bottom of the filtrate chamber.

[0015] Furthermore, based on this embodiment, the mounting bracket is provided with a storage box, and the storage box is provided with multiple stacking platforms for storing the sample plates.

[0016] (III) Beneficial Effects Compared with the prior art, the present invention provides a hydrological surveying device using sampling tools, which has the following beneficial effects: 1. Some environmental water bodies are subject to the injection of industrial and domestic water. After receiving discharged water for an extended period, the volume of the environmental water body and its internal aquatic environment will change. To conduct hydrological surveys of environmental water bodies and assess water pollution, this invention extends a winding belt into the water body. During the descent of the winding belt, a sampling trough is gradually lowered to the upper part of the riverbed of the environmental water body. After the bending detection rod descends to a designated position, the water level depth of the environmental water body can be measured. By measuring the water level depth in different areas and at different time periods of the environmental water body, the change in the height of the riverbed at the bottom of the environmental water body after receiving discharged water can be determined. Furthermore, the sampling trough is lowered to the upper part of the riverbed... After the riverbed height of the environmental water body is corresponding, multiple arc-shaped sampling tubes are rotated along the center point of the rotating tube base, allowing the arc-shaped sampling tubes to sample the sediment on the riverbed. Furthermore, by using multiple arc-shaped sampling tubes to sample sediment at the same sampling location at the bottom of the water body, multiple comparative sediment samples can be quickly collected, improving the speed and convenience of collecting multiple sediment samples. Therefore, in the specific application of this invention, it is possible to both measure the water level depth of the environmental water body and sample sediment at the same sampling location on the riverbed, achieving the goal of quickly collecting multiple comparative sediment samples. This facilitates more convenient and comprehensive surveying of the water body during subsequent comparative testing of multiple comparative sediment samples.

[0017] 2. In the specific application of this invention, in order to ensure that the collected sediment samples are not easily loosened or diluted during the ascent from the water body, the curved sampling tube continues to rotate after passing through the sediment during its movement within the curved sampling tube. After the curved sampling tube enters the semi-circular enclosed cover, the opening of the curved sampling tube comes into contact with the sealing plate, thus sealing the opening of the curved sampling tube. The sealing plate then moves along with the curved sampling tube to ensure the sealing of the interior of the curved sampling tube, thereby ensuring the integrity of the collected sediment samples and ensuring the accuracy of subsequent sediment sample testing.

[0018] 3. After collecting sediment samples, the accuracy of the specialized testing equipment at the sample collection site differs from that in the laboratory. To ensure that the collected sediment samples do not dry out due to ambient temperature during the transfer to the laboratory for more precise testing, the present invention removes the sampling trough from the water body and moves it to the top of the sample receiving plate. The sample receiving plate is then moved to the bottom of the sampling trough to collect the sediment sample from the arc-shaped sampling tube. The sample receiving plate is then placed in the storage box for storage, reducing the impact of the external environment on the sediment samples. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 For this application Figure 1 A partial cross-sectional structural schematic diagram of the sampling slot seat; Figure 3 For this application Figure 1 A partial cross-sectional structural diagram showing the combination of the sampling trough seat, the arc-shaped sampling cylinder, the semi-circular enclosed cover, and the rotating cylinder seat; Figure 4 For this application Figure 1 A partial cross-sectional structural diagram showing the combination of the sampling slot, the arc-shaped sampling cylinder, the semi-circular enclosed cover, and the curved detection rod; Figure 5 For this application Figure 1 A schematic diagram of the planar structure of the arc-shaped sampling tube, the semi-circular enclosed cover, and the sliding support; Figure 6 For this application Figure 1 A partial cross-sectional structural diagram showing the combination of the arc-shaped sampling cylinder, the material receiving plate, and the pull rope; Figure 7 For this application Figure 1 A partial cross-sectional structural diagram showing the cooperation of the sliding support, sealing plate, sliding cylinder, and push rod; Figure 8 For this application Figure 1 A partial cross-sectional structural diagram showing the cooperation of the sliding fork, sample receiving plate, filtrate chamber, filter layer, and drain valve pipe.

[0020] In the diagram: 1. Mounting bracket; 2. Sampling slot seat; 3. Arc-shaped sampling cylinder; 4. Semi-circular enclosure; 5. Sealing plate; 6. Unwinding slot frame; 7. Rewinding cylinder seat; 8. First drive motor; 9. Unwinding tape layer; 10. Mounting base; 11. Bending detection rod; 12. Rotary wheel sensor; 13. Receiving groove; 14. Rotating cylinder seat; 15. Gearbox; 16. Second drive motor; 17. Arc-shaped chute; 18. Sliding groove; 19. Tension groove; 20. Sliding cylinder; 21. Push rod; 22. Spring damper; 23. Material receiving plate; 24. Pull rope; 25. Receiving cylinder; 26. Sliding fork; 27. Sample receiving plate body; 28. Filtration chamber; 29. ​​Filter layer; 30. Drain valve pipe; 31. Storage box; 32. Stacking platform; 33. Sliding bracket. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] To meet the needs of existing water resource surveying and water pollution detection technologies, this invention can be used in conjunction with current hydrological surveying systems to achieve environmental monitoring and remediation objectives. Please refer to [link / reference]. Figures 1 to 8 This embodiment provides a hydrological surveying device using sampling tools. In practical use, the invention needs to be adapted to the surveying and sediment sample collection requirements of hydrological surveying technology and water pollution detection technology. The invention can be reused at multiple survey and sampling locations on environmental water bodies to conduct detailed multi-dimensional detection of water level depth and water pollution status in environmental water bodies after receiving discharge water. The invention can be used to focus on the location where discharge water enters the environmental water body to promptly detect water pollution problems in the environmental water body.

[0023] Because timely monitoring of water levels in environmental water bodies is crucial for effective management during hydrological surveys, this equipment includes a mounting bracket 1. Please refer to [link / reference needed]. Figure 1 Mounting bracket 1 is the main structure used to mount multiple structures in this invention. A depth surveying structure is provided on one side of mounting bracket 1 to detect the water level depth while simultaneously lowering the sampling tank 2 to the bottom of the water body. Please refer to [link to relevant documentation]. Figure 2The depth survey structure includes an unwinding trough 6, an unwinding tape layer 9, a bending detection rod 11, and a rotary sensor 12. The unwinding trough 6 is fixedly connected to the mounting bracket 1. A take-up drum seat 7 is rotatably connected to the unwinding trough 6. A first drive motor 8 is installed on the unwinding trough 6 to drive the take-up drum seat 7 to rotate. The unwinding tape layer 9 is wound on the unwinding trough 6. One side of the unwinding tape layer 9 is fixedly connected to the sampling trough seat 2 through the mounting base 10. When it is necessary to move the sampling trough seat 2 to the bottom of the water body, the first drive motor 8 is started to drive the take-up drum seat 7 to rotate on the unwinding trough 6 to realize the unwinding operation of the unwinding tape layer 9. As the unwinding tape layer 9 continues to extend, the sampling trough seat 2 descends in the water body. In the design of the sampling trough seat 2, in order to ensure that the sampling trough seat 2 can maintain a vertical descent in the water body, the bottom of the sampling trough seat 2 is uniformly equipped with counterweight material to ensure that the sampling trough seat 2 can descend vertically.

[0024] When determining the depth of the environmental water body, it is also necessary to determine the descent depth of sampling trough 2 and the sampling position of the arc-shaped sampling tube 3 for riverbed sediment. Please refer to [link / reference needed]. Figure 4 A bending detection rod 11 is fixedly connected to the mounting base 10. The bending detection rod 11 descends together with the sampling tank base 2 to detect the water depth. When the bending detection rod 11 contacts the bottom of the riverbed, it can sense the static pressure at the bottom of the water body to determine the water depth. After the bending detection rod 11 contacts the bottom of the riverbed, the arc-shaped sampling tube 3 can also collect sediment samples from the bottom of the water body, so that heavy metal substances in the sediment can be detected in the subsequent process.

[0025] To assist in measuring the depth of water, please refer to [link / reference]. Figure 1 A rotary sensor 12 is installed between the unwinding trough 6 and the take-up drum seat 7 to measure the unwinding length of the unwinding belt layer 9. The rotary sensor 12 is in contact with the unwinding belt layer 9. When the unwinding belt layer 9 moves, the unwinding belt layer 9 will sense the rotary wheel on the rotary sensor 12, and the rotary sensor 12 will measure the unwinding length of the unwinding belt layer 9, thereby judging the descent depth of the sampling trough seat 2 and assisting in the survey of the water level depth.

[0026] Please see Figure 1The unwinding tape layer 9 has a receiving groove 13. The sampling slot 2 is equipped with a second drive motor 16, and the mounting base 10 and the bending detection rod 11 are also equipped with pressure sensing devices. All of these devices require power support during use. However, if the power cable is lowered directly into the water, it is easy for the power cable to be affected by external forces in the water, causing the power cable to become scattered when it rises with the unwinding tape layer 9. In the use of this invention, after the power cable is bundled, it can be inserted into the receiving groove 13 and moved into the water with the unwinding tape layer 9. The unwinding tape layer 9 is used to protect the power cable.

[0027] Because a single sediment sample may introduce detection errors during experimental testing, multiple sediment samples need to be taken for comparison, even at the same sampling location. Therefore, this invention also includes a sampling slot 2. Please refer to [link to relevant documentation]. Figure 5 The depth survey structure can drive the sampling trough 2 to descend into the water body. The sampling trough 2 descends to the bottom of the water body. The sampling trough 2 is equipped with a rotating installation assembly, which is used to drive multiple arc-shaped sampling tubes 3 to rotate and perform sampling operations at the same sampling location in the water body. The rotating installation assembly includes a rotating tube base 14 and a gearbox 15. The rotating tube base 14 is rotatably connected to the sampling trough 2. Multiple arc-shaped sampling tubes 3 are circumferentially fixedly connected to the rotating tube base 14, driving multiple arc-shaped sampling tubes 3 to rotate around the center point of the rotating tube base 14. The gearbox 15 is fixedly connected to the sampling trough 2. The sampling trough 2 is equipped with a second drive motor 16. The output end of the second drive motor 16 and the rotating tube base 14 are connected through the gearbox 15. After the sampling trough 2 descends to the designated position, the second drive motor 16 is started. Under the transmission action of the gearbox 15, the rotating tube base 14 drives multiple arc-shaped sampling tubes 3 to rotate, so that each arc-shaped sampling tube 3 comes into contact with the riverbed sediment and collects the riverbed sediment into the arc-shaped sampling tube 3.

[0028] Please see Figure 5 Multiple arc-shaped sampling tubes 3 are arranged in a circular pattern on the rotating mounting assembly. When the sampling trough 2 descends into the water body, the arc-shaped sampling tubes 3 are moved by the rotating mounting assembly to collect sediment samples from the riverbed. By using multiple arc-shaped sampling tubes 3, and with the outer arc surface of the arc-shaped sampling tubes 3 being flat, it is easier to collect sediment samples into the arc-shaped sampling tubes 3. Then, multiple arc-shaped sampling tubes 3 can collect multiple comparative sediment samples at the same location. In subsequent detection of heavy metal pollution in the sediment, randomness can be avoided, and the purpose of precise detection of pollution in the water body can be achieved.

[0029] Please see Figure 3A semi-circular enclosed cover 4 is fixedly connected inside the sampling trough 2. A through slot is provided on the side wall of the semi-circular enclosed cover 4. A sliding bracket 33 is fixedly connected inside the through slot. Multiple sealing plates 5 are slidably arranged inside the sliding bracket 33. The sealing plates 5 are used to seal the arc-shaped sampling tube 3 after the sediment sample is collected. Then the sampling trough 2 is lifted to take out the sediment sample. The sealing plates 5 are provided with grooves that are adapted to the opening of the arc-shaped sampling tube 3. During the movement of the arc-shaped sampling tube 3, the opening of the arc-shaped sampling tube 3 is embedded into the groove. Then the arc-shaped sampling tube 3 drives the corresponding sealing plate 5 to slide from inside the semi-circular enclosed cover 4. Even if the corresponding arc-shaped sampling tube 3 and sealing plate 5 are moved out of the semi-circular enclosed cover 4, the sealing plate 5 is not easy to fall off the arc-shaped sampling tube 3. The sealing plates 5 can seal the arc-shaped sampling tube 3 to prevent the sediment sample inside the arc-shaped sampling tube from mixing with the water, causing the sediment sample to disperse and dilute.

[0030] Please see Figure 5 Both sides of the semi-circular enclosure 4 are provided with arc-shaped sliding grooves 17, and both sides of the sealing plate 5 are provided with sliding grooves 18. The sliding grooves 18 fit into the arc-shaped sliding grooves 17. Both sides of the sealing plate 5 are provided with tension grooves 19. After the sealing plate 5 moves into the semi-circular enclosure 4, the sliding grooves 18 on the sealing plate 5 fit into the arc-shaped sliding grooves 17, so that the arc-shaped sampling tube 3 can drive the sealing plate 5 to slide in the semi-circular enclosure 4. And through the friction between the sliding grooves 18 and the arc-shaped sliding grooves 17, the contact relationship between the arc-shaped sampling tube 3 and the sealing plate 5 is more stable.

[0031] Please see Figure 7 A sliding cylinder 20 is provided on the sliding support 33. A push rod 21 is slidably connected inside the sliding cylinder 20. The push rod 21 is used to push multiple sealing pieces 5 to slide along the sliding support 33. A spring damper 22 is provided inside the push rod 21 and the sliding cylinder 20. When one of the arc-shaped sampling cylinders 3 enters the semi-circular enclosure 4, the arc-shaped sampling cylinder 3 drives one of the sealing pieces 5 to move out of the range of the sliding support 33, so that the arc-shaped sampling cylinder 3 continues to drive the sealing piece 5 to move. At the same time, the spring damper 22... Under the pressure of the damper 22, the push rod 21 is moved out of the sliding cylinder 20, squeezing the subsequent sealing piece 5 to slide in the sliding bracket 33, pushing the next sealing piece 5 into the semi-circular enclosure 4, so that the arc-shaped sampling cylinder 3 that moves into the semi-circular enclosure 4 can correspond to the next sealing piece 5. Under the action of the tension groove 19, the sealing piece 5 has the characteristic of squeezing and shrinking towards the center, so that the sealing piece 5 on the sliding bracket 33 can smoothly enter the arc-shaped sliding groove 17 of the semi-circular enclosure 4.

[0032] Please see Figure 6The arc-shaped sampling tube 3 is equipped with a material-collecting plate 23 and a pull rope 24. A receiving tube 25 is provided on the side wall of the arc-shaped sampling tube 3. One side of the pull rope 24 is connected to the receiving tube 25. The pull rope 24 is slidably disposed inside the arc-shaped sampling tube 3. After the sampling trough seat 2 is removed from the water body, in order to remove the sediment sample intact from the arc-shaped sampling tube 3, the pull rope 24 is pulled to move the material-collecting plate 23 outward from the arc-shaped sampling tube 3, so that the material-collecting plate 23 moves the sediment sample out of the arc-shaped sampling tube 3, which facilitates the removal of the more viscous sediment sample. Furthermore, an insertion seat is provided on one side of the pull rope 24. After the insertion seat is inserted into the receiving tube 25, a screw is used to keep the connection between the insertion seat and the receiving tube 25 to prevent the pull rope 24 from moving arbitrarily.

[0033] Please see Figure 8 The mounting bracket 1 is equipped with a sliding fork 26, on which a sample receiving plate 27 is slidably mounted. A filtrate chamber 28 is mounted on the sample receiving plate 27, with a filter layer 29 at the top and a drain valve pipe 30 connected to the bottom. To ensure timely preservation of the collected sediment samples, after the sampling trough 2 rises from the water body, it can pass through the sliding fork 26 and move to the upper side of the sliding fork 26. Then, one of the sample receiving plates 27 is placed on the sliding fork 26 and moved to the bottom of the sampling trough 2. The sediment sample in the arc-shaped sampling tube 3 is moved to the top of the sample receiving plate 27. During the sediment sample collection process, some water will remain in the arc-shaped sampling tube 3. When the sediment sample is tested later, the excess water needs to be removed. Therefore, after the sediment sample is discharged onto the sample receiving plate 27, the water in the sediment sample is filtered by the filter layer 29. The filtered water enters the filtrate chamber 28 and is then discharged through the drain valve pipe 30. The top of the sample receiving plate 27 is concave, so the sediment sample can be preserved on the top of the sample receiving plate 27.

[0034] Please see Figure 2 The mounting bracket 1 is equipped with a storage box 31, which contains multiple stacking platforms 32 for storing sample plates 27. The storage box 31 has a heat preservation function, and the temperature is more uniform than that of the outdoor environment. After placing the sample plates 27 on the stacking platforms 32 in the storage box 31, the storage box 31 is used to store multiple sample plates 27, which not only improves the convenience of carrying the sample plates 27, but also preserves the mud and sand samples well.

[0035] To enable hydrological surveys and subsequent water pollution detection of the receiving water bodies, the working principle of this hydrological survey equipment using sampling tools is as follows: First, based on the location where the discharged water enters the environmental water body, the area where solid components in the discharged water are prone to sedimentation is detected. First, the mounting bracket 1 is moved to the designated position, and then the first drive motor 8 is started to drive the take-up drum seat 7 to rotate in the unwinding slot frame 6 to realize the unwinding operation of the unwinding tape layer 9. As the unwinding tape layer 9 continues to extend, the sampling slot seat 2 descends in the water body. When the bending detection rod 11 contacts the bottom of the riverbed, the bending detection rod 11 can sense the static pressure at the bottom of the water body, thereby determining the water depth. At this time, the arc-shaped sampling cylinder 3 can also contact the riverbed.

[0036] The second drive motor 16 is started. Under the transmission action of the gearbox 15, the rotating cylinder base 14 drives multiple arc-shaped sampling cylinders 3 to rotate, so that each arc-shaped sampling cylinder 3 comes into contact with the riverbed sediment and collects the riverbed sediment into the arc-shaped sampling cylinder 3. During the subsequent movement, the arc-shaped sampling cylinder 3 will enter the semi-circular closed cover 4. After the opening of the arc-shaped sampling cylinder 3 comes into contact with the sealing plate 5, the arc-shaped sampling cylinder 3 will fit with the sealing plate 5. Then, as the rotating cylinder base 14 continues to move, the arc-shaped sampling cylinder 3 and the corresponding sealing plate 5 move together, so that the other arc-shaped sampling cylinders 3 and the corresponding sealing plates 5 cooperate with each other to complete the sediment sample collection and sealing operation.

[0037] The sampling tray 2 is moved upward from the water body and positioned above the sliding fork 26. After placing one of the sample receiving plates 27 on the sliding fork 26, the sample receiving plate 27 is moved to the bottom of the sampling tray 2. The sediment sample in the arc-shaped sampling tube 3 is then moved to the top of the sample receiving plate 27. The water in the sediment sample is filtered using the filter layer 29. The filtered water enters the filtrate chamber 28 and is then discharged through the drain valve pipe 30. The sample receiving plate 27 containing the sediment sample is then placed in the storage box 31 for storage. The sediment sample is then transported to the laboratory for water pollution testing of the environmental water body, thus achieving the purpose of environmental monitoring and treatment.

[0038] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydrological surveying device using sampling tools, comprising a mounting bracket (1), wherein a depth surveying structure is provided on one side of the mounting bracket (1), characterized in that, Also includes: The sampling tank (2) is equipped with a rotating mounting assembly inside the sampling tank (2), which is capable of driving the sampling tank (2) down into the water body. Multiple arc-shaped sampling tubes (3) are arranged in a circular pattern on the rotating mounting assembly. The sampling trough seat (2) descends into the water body, and the arc-shaped sampling tubes (3) are moved by the rotating mounting assembly, so that multiple arc-shaped sampling tubes 3 can collect multiple comparative sediment samples at the same sampling location. A semi-circular closed cover (4) is fixedly connected inside the sampling slot (2). The side wall of the semi-circular closed cover (4) has a through slot. A sliding bracket (33) is fixedly connected inside the through slot. Multiple sealing pieces (5) are slidably arranged inside the sliding bracket (33). The sealing pieces (5) are used to seal the arc-shaped sampling tube (3) after collecting the sediment sample, and then the sampling slot (2) is lifted to take out the sediment sample.

2. A hydrological surveying device using sampling tools according to claim 1, characterized in that, The depth survey structure includes: Unwinding trough (6), the unwinding trough (6) is fixedly connected to the mounting bracket (1), a take-up drum seat (7) is rotatably connected to the unwinding trough (6), and a first drive motor (8) is provided on the unwinding trough (6) to drive the take-up drum seat (7) to rotate. Unwinding tape layer (9), the unwinding slot frame (6) has the unwinding tape layer (9) wound on it, and one side of the unwinding tape layer (9) is fixedly connected to the sampling slot seat (2) through the mounting seat (10); A bending detection rod (11) is fixedly connected to the mounting base (10). The bending detection rod (11) descends together with the sampling tank base (2) to detect the water depth. A rotary sensor (12) is provided between the unwinding trough (6) and the take-up drum seat (7) to measure the unwinding length of the unwinding belt layer (9).

3. A hydrological surveying device using sampling tools according to claim 2, characterized in that, The unwinding tape layer (9) has a receiving groove (13).

4. A hydrological surveying device using sampling tools according to claim 3, characterized in that, The rotating mounting assembly includes: Rotating cylinder seat (14), the rotating cylinder seat (14) is rotatably connected in the sampling slot seat (2), and multiple arc-shaped sampling cylinders (3) are circumferentially fixedly connected to the rotating cylinder seat (14), driving multiple arc-shaped sampling cylinders (3) to rotate along the center point of the rotating cylinder seat (14); A gearbox (15) is fixedly connected to the sampling slot seat (2). A second drive motor (16) is provided on the sampling slot seat (2). The output end of the second drive motor (16) and the rotating cylinder seat (14) are connected by transmission through the gearbox (15).

5. A hydrological surveying device using sampling tools according to claim 4, characterized in that, The semi-circular enclosure (4) has arc-shaped grooves (17) on both sides inside, and the sealing plate (5) has sliding grooves (18) on both sides. The sliding grooves (18) fit into the arc-shaped grooves (17), and tension grooves (19) are opened on both sides of the sealing plate (5).

6. A hydrological surveying device using sampling tools according to claim 5, characterized in that, A sliding cylinder (20) is provided on the sliding bracket (33), and a push rod (21) is slidably connected inside the sliding cylinder (20). The push rod (21) is used to push the multiple sealing pieces (5) to slide along the sliding bracket (33). A spring damper (22) is provided inside the push rod (21) and the sliding cylinder (20).

7. A hydrological surveying device using sampling tools according to claim 6, characterized in that, The arc-shaped sampling tube (3) is provided with a material taking plate (23), and a pull rope (24) is provided on the material taking plate (23). A receiving tube (25) is provided on the side wall of the arc-shaped sampling tube (3), and one side of the pull rope (24) is connected to the receiving tube (25).

8. A hydrological surveying device using sampling tools according to claim 7, characterized in that, The mounting bracket (1) is provided with a sliding fork (26), a sample receiving plate (27) is slidably provided on the sliding fork (26), a filtrate chamber (28) is provided on the sample receiving plate (27), a filter layer (29) is provided at the top of the filtrate chamber (28), and a drain valve pipe (30) is connected to the bottom of the filtrate chamber (28).

9. A hydrological surveying device using sampling tools according to claim 8, characterized in that, The mounting bracket (1) is provided with a storage box (31), and the storage box (31) is provided with multiple stacking platforms (32) for storing the sample plate body (27).

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