A wastewater river section sampling device with uniform sampling

Abstract

The invention relates to the technical field of wastewater detection, and discloses a wastewater river section sampling device with uniform sampling, comprising a floating plate, an air port is provided at the top of the floating plate, a rope is fixedly connected to the top of the floating plate, and a protective mechanism is fixedly connected to the bottom of the floating plate; the wastewater river section sampling device with uniform sampling also includes: a sampling mechanism, which is used to sample river water of different depths, the top of the sampling mechanism is rotatably connected to the bottom of the floating plate, the sampling mechanism comprises a rotating shaft, the top of the rotating shaft is fixedly connected to the bottom of the floating plate, the bottom of the rotating shaft is rotatably connected to a sampling tube, and the top of the inner wall of the sampling tube is fixedly connected to an anti-blocking component; a cleaning mechanism, which is used to intercept large suspended matter in river water, the device prevents suspended matter in the water from blocking a pipeline, and prevents river water from entering the pipeline before being stabilized to a suitable position, so that wastewater of different depths is retained in the pipeline, and the sampling is mixed to cause sample pollution.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater detection, and in particular to a wastewater river section sampling device with uniform sampling. Background Art

[0002] Wastewater refers to the general term for water discharged during residents' activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rain runoff into drainage pipes. It generally refers to water that cannot be recycled after certain technical treatment or water that cannot meet certain standards for purification after primary pollution. In order to protect the ecological environment, it is necessary to sample and test the wastewater to detect whether the content of components in the wastewater meets the emission standards. For rivers 5-10m deep, more than two sampling points are usually required.

[0003] At present, wastewater sampling is carried out manually. Since sewage contains more impurities, manual sampling can easily affect the detection work and the sampling quality is difficult to guarantee. When sampling wastewater, it is difficult to carry out stratified sampling of wastewater with different liquid levels and it is impossible to detect wastewater with different liquid levels, thereby reducing the accuracy of the detection. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention solves the technical problems thereof by adopting a technical solution: a wastewater river section sampling device for uniform sampling of wastewater comprises a floating board, an air port is provided on the top of the floating board, a rope is fixedly connected to the top of the floating board, and a protective mechanism is fixedly connected to the bottom of the floating board;

[0005] The wastewater river section sampling equipment with uniform sampling also includes:

[0006] A sampling mechanism, which is used to sample river water at different depths, wherein the top of the sampling mechanism is rotatably connected to the bottom of the floating plate, and the sampling mechanism comprises a rotating shaft, wherein the top of the rotating shaft is fixedly connected to the bottom of the floating plate, a sampling tube is rotatably connected to the bottom of the rotating shaft, and an anti-blocking component is fixedly connected to the top of the inner wall of the sampling tube;

[0007] A cleaning mechanism is used to intercept large suspended matter in river water. The outer wall of the cleaning mechanism is fixedly connected to the outer wall of the sampling mechanism. The cleaning mechanism includes a pipe. The outer wall of the pipe is fixedly connected to the outer wall of the sampling mechanism. A slide is provided on the inner wall of the pipe. A cleaning component is fixedly connected to one end of the pipe away from the sampling mechanism. A crushing component is fixedly connected to one end of the cleaning component away from the pipe. The crushing component crushes and cleans large suspended matter in the water that blocks the water inlet, and cooperates with the cleaning component to clean and discharge debris inside the pipe, so as to keep the water inlet smooth and avoid insufficient sampling affecting sample detection.

[0008] Furthermore, the air port extends to the interior of the protection mechanism, the sampling mechanism is evenly arranged at the bottom of the floating plate, and the outer wall of the protection mechanism is fixedly connected to an end of the sampling mechanism away from the cleaning mechanism.

[0009] Furthermore, the protective mechanism includes a connecting plate, the top of the connecting plate is fixedly connected to the bottom of the floating plate, the end of the connecting plate close to the sampling mechanism is fixedly connected to the air pipe, the outer wall of the connecting plate is symmetrically rotatably connected to the protective plate, the bottom of the protective plate is evenly fixedly connected to the first rotating rod, the bottom of the first rotating rod is rotatably connected to the cutting knife, a limiting rod is provided on the opposite side of the protective plate, the outer wall of the limiting rod is rotatably connected to the outer surface of the protective plate to form a space for facilitating the extraction of wastewater, and the cutting knife is driven to rotate when the protective plate rotates, and the debris wrapped around the sampling mechanism is cut and cleaned, so as to avoid the sampling tube being entangled after sampling is completed, which increases the burden of salvage.

[0010] Furthermore, the sampling mechanism also includes a piston, the bottom of the piston is fixedly connected to the bottom of the inner wall of the sampling tube, the top of the piston is fixedly connected to a scraper, the top of the inner wall of the sampling tube is fixedly connected to an air pump, the bottom of the air pump is fixedly connected to the top of the anti-blocking component, the inner wall of the sampling tube close to the protective mechanism is fixedly connected to a spring, the outer wall of the spring is fixedly connected to a plug strip, the bottom of the sampling tube is fixedly connected to a connecting block, the anti-blocking component prevents suspended matter in the water from blocking the pipeline, and prevents river water from entering the pipeline before it stabilizes to a suitable position, so that wastewater of different depths is retained in the pipeline, and the sampling is mixed to cause sample contamination.

[0011] Furthermore, the anti-blocking assembly includes a telescopic column, the top of the telescopic column is fixedly connected to the top of the inner wall of the sampling tube, the bottom of the telescopic column is fixedly connected to a plug plate, the outer surface of the plug plate is slidably connected to a sealing plate, the bottom of the plug plate is fixedly connected to an elastic rod, the top of the plug plate is fixedly connected to a hose, the top of the hose is fixedly connected to the bottom of the air pump, a buffer box is arranged on the outside of the plug plate, the outer wall of the buffer box is fixedly connected to the inner wall of the sampling tube, the inner wall of the buffer box is fixedly connected to a limiting tube, the elastic rod is located inside the limiting tube, the end of the elastic rod away from the limiting tube is rotatably connected to a cleaning block, the outer wall of the cleaning block is slidably connected to the inner wall of the pipeline, and the end of the buffer box away from the pipeline is fixedly connected to a sealing platform to avoid pipeline blockage and affect sampling work. After sampling, the sealing plate is closed again to leave the sample inside the sampling tube to avoid river water of different depths gathering inside the pipeline, resulting in river water of different depths being filled into the pipeline at the beginning of sampling, causing the sample to mix.

[0012] Furthermore, the cleaning component includes a shell, the outer wall of the shell is fixedly connected to an end of the pipeline away from the sampling tube, the inner wall of the shell is fixedly connected to a sieve plate, the inner wall of the shell is fixedly connected to a fixing ring at one end away from the sieve plate, the end of the sieve plate close to the pipeline is symmetrically slidably connected to a scraper rod, the end of the scraper rod away from the sieve plate is fixedly connected to a slider, the inner wall of the slider is slidably connected to the outer wall of the fixing ring, a discharge port is provided at the bottom of the shell, and a baffle is rotatably connected to the outer wall of the shell to prevent excessive suspended matter from clogging the inside of the pipeline, making sampling difficult to complete, and keeping the pipeline able to flow water smoothly.

[0013] Furthermore, the crushing assembly includes a sleeve, the outer wall of the sleeve is fixedly connected to the outer wall of the shell, the inner wall of the sleeve is evenly rotatably connected to a second rotating rod, the outer wall of the second rotating rod is evenly rotatably connected to a cutting strip, the outer wall of the second rotating rod is evenly rotatably connected to an intercepting rod, the intercepting rod and the cutting strip are staggered to crush and clean large pieces of suspended matter blocking the sleeve to ensure the sampling environment, the intercepting rod cleans the debris in the gap of the cutting strip to maintain the cleaning effect of the cutting strip.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The present invention sets a sampling mechanism. It is difficult to perform stratified sampling of wastewater with different liquid levels during sampling, and it is impossible to detect wastewater with different liquid levels. Therefore, the sampling mechanism is set to prevent suspended matter in the water from blocking the pipeline, and at the same time prevent river water from entering the pipeline before it stabilizes to a suitable position, so that wastewater of different depths is retained in the pipeline, and the sampling is mixed to cause sample contamination.

[0016] 2. The present invention sets a protective mechanism. When the sampling equipment is lowered into the water, it is easy to be entangled by water plants or other suspended matter in the water. Therefore, the protective mechanism is set to facilitate the extraction of wastewater. When the protective plate rotates, the cutting knife is driven to rotate at the same time to cut and clean up the debris entangled around the sampling mechanism, so as to avoid the sampling tube being entangled after sampling is completed, which increases the burden of salvage.

[0017] 3. The present invention sets an anti-blocking component. When there are more suspended matter in the water, the sampled river water will inevitably be mixed with suspended matter. However, the accumulation of suspended matter can easily cause the inside of the pipeline to be blocked, affecting water intake. Therefore, an anti-blocking component is set to drive the cleaning block to clean and dredge the inside of the pipeline to avoid pipeline blockage and affect the sampling work. After the sampling is completed, the sealing plate is closed again to leave the sample inside the sampling tube to avoid river water of different depths gathering inside the pipeline, resulting in river water of different depths being filled into the pipeline at the beginning of sampling, causing the sample to be mixed.

[0018] 4. The present invention sets a cleaning mechanism. During sampling, various suspended matter in the river water will affect the sampling process. Large suspended matter is easy to block the water inlet, and smaller suspended matter is easy to accumulate inside the pipe. Therefore, a cleaning mechanism is set. Before sampling, air is pumped into the pipe to reduce the inflow of river water. After stabilizing for a period of time and continuously introducing air for a period of time, the wastewater is sampled and collected. The crushing component crushes and cleans the large suspended matter in the water that blocks the water inlet, and cooperates with the cleaning component to clean and discharge the debris inside the pipe to keep the water inlet smooth and avoid insufficient sampling affecting sample detection.

[0019] 5. The present invention provides a cleaning component and a crushing component to clean up large and small suspended matter in the water respectively, keep the inside of the pipeline clean and unobstructed, avoid blockage inside the pipeline due to excessive suspended matter, make sampling difficult, keep the pipeline able to flow water smoothly, ensure the sampling environment, and the intercepting rod cleans up the debris in the gap of the cutting strip to maintain the cleaning effect of the cutting strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is a cross-sectional view of the present invention as a whole;

[0022] Figure 3 is a bottom view of the present invention as a whole;

[0023] Figure 4 It is a structural schematic diagram of the protection mechanism of the present invention.

[0024] Figure 5 It is a structural schematic diagram of the sampling mechanism of the present invention;

[0025] Figure 6 It is a structural schematic diagram of the cleaning mechanism of the present invention;

[0026] Figure 7 It is a structural schematic diagram of the anti-blocking component of the present invention;

[0027] Figure 8 is a schematic diagram of the structure of the cleaning component of the present invention;

[0028] Fig. 9 It is a structural schematic diagram of the crushing assembly of the present invention.

[0029] In the figure: 1, floating plate; 2, air port; 3, rope; 4, protective mechanism; 401, connecting plate; 402, protective plate; 403, air pipe; 404, limit rod; 405, first rotating rod; 406, cutting knife; 5, sampling mechanism; 501, sampling tube; 502, piston; 503, scraper; 504, rotating shaft; 505, connecting block; 506, anti-blocking component; 5061, telescopic column; 5062, plug plate; 5063, hose; 5064, elastic rod; 5065, cleaning block; 5066, buffer box; 5 067, sealing table; 5068, limiting tube; 5069, sealing plate; 507, spring; 508, plug strip; 509, air pump; 6, cleaning mechanism; 601, pipeline; 602, slideway; 603, cleaning component; 6031, shell; 6032, sieve plate; 6033, scraper rod; 6034, slider; 6035, fixing ring; 6036, discharge port; 6037, baffle; 604, crushing component; 6041, sleeve; 6042, second rotating rod; 6043, cutting strip; 6044, intercepting rod. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0031] Example 1, using Figure 1-Figure 5 A wastewater river section sampling device with uniform sampling according to one embodiment of the present invention is described as follows.

[0032] like Figure 1-Figure 5 As shown, a wastewater river section sampling device for uniform sampling of the present invention comprises a floating board 1, an air port 2 is provided on the top of the floating board 1, a rope 3 is fixedly connected to the top of the floating board 1, and a protective mechanism 4 is fixedly connected to the bottom of the floating board 1;

[0033] The wastewater river section sampling equipment with uniform sampling also includes:

[0034] The sampling mechanism 5 is used to sample river water at different depths. The top of the sampling mechanism 5 is rotatably connected to the bottom of the floating board 1. The sampling mechanism 5 includes a rotating shaft 504. The top of the rotating shaft 504 is fixedly connected to the bottom of the floating board 1. The bottom of the rotating shaft 504 is rotatably connected to a sampling tube 501. The top of the inner wall of the sampling tube 501 is fixedly connected to an anti-blocking component 506.

[0035] The cleaning mechanism 6 is used to intercept large suspended matter in the river water. The outer wall of the cleaning mechanism 6 is fixedly connected to the outer wall of the sampling mechanism 5. The cleaning mechanism 6 includes a pipe 601. The outer wall of the pipe 601 is fixedly connected to the outer wall of the sampling mechanism 5. The inner wall of the pipe 601 is provided with a slideway 602. The end of the pipe 601 away from the sampling mechanism 5 is fixedly connected to a cleaning component 603. The end of the cleaning component 603 away from the pipe 601 is fixedly connected to a crushing component 604. The air port 2 extends to the interior of the protective mechanism 4. The sampling mechanism 5 is evenly arranged at the bottom of the floating plate 1. The outer wall of the protective mechanism 4 is fixedly connected to the end of the sampling mechanism 5 away from the cleaning mechanism 6.

[0036] Before sampling, air is introduced into the pipe 601 by the air pump 509 to reduce the inflow of river water. After a period of stabilization and continuous air introduction, the wastewater is sampled and collected. The crushing component 604 crushes and cleans the large suspended matter in the water that blocks the water inlet, and cooperates with the cleaning component 603 to clean and discharge the debris inside the pipe 601 to maintain smooth water inflow and avoid insufficient sampling affecting sample detection.

[0037] During operation, the investigators lower the floating board 1 to the river section where sampling is required by using the rope 3. According to the depth of the river water, a suitable number of sampling mechanisms 5 and protective mechanisms 4 are installed. Each group of protective mechanisms 4 corresponds to the sampling mechanism 5 one by one, and plays a protective role for the sampling mechanism 5 when lowered. During sampling, the floating board 1 drives the protective mechanism 4 to rotate around the sampling mechanism 5 to block the large suspended matter around it. The floating board 1 drives the cleaning mechanism 6 of the sampling mechanism 5 to collect the wastewater of the corresponding depth. The height of the water inlet pipe of the sampling mechanism 5 corresponds to the depth where water sampling is required. Depth. For deeper river sections, it is necessary to install an appropriate number of sampling mechanisms 5 at the bottom to facilitate the separate collection of wastewater at different depths and avoid mixing of samples of wastewater at different depths due to residues in the pipe 601 during collection, thereby affecting the detection accuracy. The sampling mechanism 5 draws the wastewater into the interior, and the wastewater enters the sampling mechanism 5 from the inside of the cleaning mechanism 6. The crushing component 604 cleans up large pieces of suspended matter to prevent it from blocking the water inlet. The cleaning component 603 collects, cleans and discharges the debris cleaned out by the anti-blocking component 506.

[0038] The protective mechanism 4 includes a connecting plate 401, the top of the connecting plate 401 is fixedly connected to the bottom of the floating plate 1, the end of the connecting plate 401 close to the sampling mechanism 5 is fixedly connected to the trachea 403, the outer wall of the connecting plate 401 is symmetrically rotatably connected to the protective plate 402, the bottom of the protective plate 402 is evenly fixedly connected to the first rotating rod 405, the bottom of the first rotating rod 405 is rotatably connected to the cutting knife 406, a limiting rod 404 is arranged on the opposite side of the protective plate 402, and the outer wall of the limiting rod 404 is rotatably connected to the outer surface of the protective plate 402.

[0039] When the floating plate 1 is lowered, the protective plates 402 are close to each other to surround the sampling mechanism 5 and the cleaning mechanism 6. The limiting rod 404 is horizontally placed in the middle of the protective plates 402. The limiting rod 404 is rotatably connected to one of the protective plates 402. The other end of the protective plate 402 is against the other protective plate 402 to form a space for easy extraction of wastewater. When the protective plate 402 rotates, the cutting knife 406 is driven to rotate to cut and clean the debris wrapped around the sampling mechanism 5, so as to avoid the sampling tube 501 being entangled after sampling is completed, which increases the burden of salvage.

[0040] The sampling mechanism 5 also includes a piston 502, the bottom of the piston 502 is fixedly connected to the bottom of the inner wall of the sampling tube 501, the top of the piston 502 is fixedly connected to a scraper 503, the top of the inner wall of the sampling tube 501 is fixedly connected to an air pump 509, the bottom of the air pump 509 is fixedly connected to the top of the anti-blocking component 506, the inner wall of the sampling tube 501 close to the protective mechanism 4 is fixedly connected to a spring 507, the outer wall of the spring 507 is fixedly connected to a plug strip 508, and the bottom of the sampling tube 501 is fixedly connected to a connecting block 505.

[0041] After the floating plate 1 is stable, the anti-blocking component 506 separates the cleaning mechanism 6 from the sampling mechanism 5, and the air pump 509 is always turned on. The piston 502 is located below the anti-blocking component 506. The air pump 509 extracts the air in the sampling tube 501, causing the air pressure in the sampling tube 501 to change, thereby moving the plug 508 outward. The end of the plug 508 inserted into the air pipe 403 is conical, so that air enters from the air port 2 and enters the air pipe 403 along the inside of the connecting plate 401 and then enters the sampling tube 501. The air is pumped into the anti-blocking component 509 by the air pump 509. The cleaning mechanism 6 is filled with air by inserting the piston 502 into the component 506. After the collecting mechanism reaches the designated position and remains stable, the air pump 509 is turned off. The plug 508 is plugged tightly under the elastic force of the spring 507. The anti-blocking component 506 is opened, and the piston 502 slowly moves downward. The wastewater flows into the sampling tube 501. The anti-blocking component 506 prevents suspended matter in the water from blocking the pipe 601. At the same time, it prevents river water from entering the pipe 601 before it stabilizes to a suitable position, so that wastewater of different depths is retained in the pipe 601, causing the sampling to be mixed and cause sample contamination.

[0042] Embodiment 2, use Figure 1-Figure 9 A wastewater river section sampling device with uniform sampling according to one embodiment of the present invention is described as follows.

[0043] like Figure 1-Figure 9As shown, a wastewater river section sampling device with uniform sampling according to the present invention is based on the first embodiment. The anti-blocking component 506 includes a telescopic column 5061, the top of the telescopic column 5061 is fixedly connected to the top of the inner wall of the sampling tube 501, the bottom of the telescopic column 5061 is fixedly connected to a plug plate 5062, the outer surface of the plug plate 5062 is slidably connected to a sealing plate 5069, the bottom of the plug plate 5062 is fixedly connected to an elastic rod 5064, the top of the plug plate 5062 is fixedly connected to a hose 5063, and the top of the hose 5063 is connected to the air pump 509. The bottom of the plug plate 5062 is fixedly connected, a buffer box 5066 is arranged on the outside of the plug plate 5062, the outer wall of the buffer box 5066 is fixedly connected to the inner wall of the sampling tube 501, the inner wall of the buffer box 5066 is fixedly connected to the limiting tube 5068, the elastic rod 5064 is located inside the limiting tube 5068, the end of the elastic rod 5064 away from the limiting tube 5068 is rotatably connected to the cleaning block 5065, the outer wall of the cleaning block 5065 is slidably connected to the inner wall of the pipe 601, and the end of the buffer box 5066 away from the pipe 601 is fixedly connected to the sealing platform 5067.

[0044] Before sampling, the telescopic column 5061 drives the plug plate 5062 to remain stationary. At this time, the sealing plate 5069 and the sealing platform 5067 are squeezed to keep the buffer box 5066 isolated from the sampling tube 501. The air pump 509 inflates the buffer box 5066 through the hose 5063 to maintain the internal pressure to prevent river water from pouring in. After the collection mechanism remains stable, the telescopic column 5061 is retracted, driving the plug plate 5062 to move upward, separating the sealing plate 5069 from the sealing platform 5067, so that the buffer box 5066 is connected to the sampling tube 501, and the river water enters the pipeline 601 for sampling. During the sampling process, small pieces of suspended matter in the river water enter the interior of the pipeline 601 and are intercepted by the protective net set inside the buffer box 5066. Driven by the telescopic column 5061, the elastic rod 5064 is retracted to drive the cleaning block 5065 in The inside of the pipe 601 rotates, and when the elastic rod 5064 moves, the cleaning block 5065 spirally rotates along the slideway 602 inside the pipe 601, and the debris attached to the inner wall of the pipe 601 is cleaned and collected and discharged inside the cleaning component 603. The elastic rod 5064 is trapped by the limiting tube 5068 in the limiting tube 5068, so that it can move horizontally inside the pipe 601 under the vertical movement of the plug plate 5062, and drive the cleaning block 5065 to clean and dredge the inside of the pipe 601 to avoid blockage of the pipe 601 and affect the sampling work. After the sampling is completed, the sealing plate 5069 is closed again to leave the sample in the sampling tube 501 to avoid river water of different depths from gathering in the pipe 601, resulting in river water of different depths being filled into the pipe 601 at the beginning of sampling, causing the sample to mix.

[0045] The cleaning component 603 includes a shell 6031, the outer wall of the shell 6031 is fixedly connected to the end of the pipeline 601 away from the sampling tube 501, the inner wall of the shell 6031 is fixedly connected to a sieve plate 6032, the inner wall of the shell 6031 is fixedly connected to the end of the sieve plate 6032, and the fixed ring 6035 is fixedly connected to the end of the sieve plate 6032 close to the pipeline 601, and the scraper rod 6033 is symmetrically slidably connected to the end of the scraper rod 6033 away from the sieve plate 6032, the inner wall of the slider 6034 is slidably connected to the outer wall of the fixed ring 6035, a discharge port 6036 is opened at the bottom of the shell 6031, and the outer wall of the shell 6031 is rotatably connected to a baffle 6037.

[0046] The cleaning block 5065 pushes the debris in the pipe 601 into the shell 6031, so that it accumulates in the shell 6031. When there are too many suspended solids, the built-in power system of the sieve plate 6032 drives the scraper rod 6033 to move along the track on the sieve plate 6032. At the same time, the other end of the scraper rod 6033 moves along the fixed ring 6035 to scrape and clean the inner wall of the shell 6031, and concentrate the debris at the bottom of the shell 6031 and flow out from the discharge port 6036, so as to avoid blockage inside the pipe 601 due to excessive suspended solids, making sampling difficult to complete, and keeping the pipe 601 able to flow water smoothly.

[0047] The crushing assembly 604 includes a sleeve 6041, the outer wall of the sleeve 6041 is fixedly connected to the outer wall of the shell 6031, the inner wall of the sleeve 6041 is evenly rotatably connected to the second rotating rod 6042, the outer wall of the second rotating rod 6042 is evenly rotatably connected to the cutting bar 6043, the outer wall of the second rotating rod 6042 is evenly rotatably connected to the intercepting rod 6044, and the intercepting rod 6044 and the cutting bar 6043 are alternately arranged.

[0048] When sampling, large suspended matter in the water is prone to cover the water inlet, causing blockage in pumping. The second rotating rod 6042 drives the cutting bar 6043 to rotate, and the large suspended matter blocking the sleeve 6041 is broken and cleaned to ensure the sampling environment. The intercepting rod 6044 cleans the debris in the gap of the cutting bar 6043 to maintain the cleaning effect of the cutting bar 6043.

[0049] The specific workflow is as follows:

[0050] During operation, the investigators lower the floating board 1 to the river section where sampling is required by using the rope 3. According to the depth of the river water, a suitable number of sampling mechanisms 5 and protective mechanisms 4 are installed. Each group of protective mechanisms 4 corresponds to the sampling mechanism 5 one by one, and plays a protective role for the sampling mechanism 5 when lowered. When the floating board 1 is lowered, the protective plates 402 are close to each other to surround the sampling mechanism 5 and the cleaning mechanism 6. The limiting rod 404 is horizontally arranged in the middle of the protective plates 402. The limiting rod 404 is rotatably connected to one of the protective plates 402, and the other end is pressed against the other protective plate 402 to form a space for extracting wastewater. When the protective plate 402 rotates, the cutting knife 406 is driven to rotate to cut and clean the debris wrapped around the sampling mechanism 5. The floating board 1 drives the sampling mechanism 5 and the cleaning mechanism 6 to collect the wastewater of the corresponding depth. The height of the water inlet pipe of the sampling mechanism 5 corresponds to the depth of water required for sampling. For the river section with a deeper depth, it is necessary to install a suitable number of sampling mechanisms 5 at the bottom to facilitate the separate collection of wastewater at different depths to avoid To prevent wastewater of different depths from mixing samples due to residues in the pipe 601 during collection, which affects the detection accuracy, after the floating plate 1 is stable, the anti-blocking component 506 separates the cleaning mechanism 6 from the sampling mechanism 5, and the air pump 509 is always turned on, the piston 502 is located below the anti-blocking component 506, and the air pump 509 extracts the air in the sampling tube 501 to change the air pressure in the sampling tube 501, thereby moving the plug 508 outward. The end of the plug 508 inserted into the air pipe 403 is conical, so that air is discharged from the air port 2 Enter and go along the inside of the connecting plate 401 into the air pipe 403 and then into the sampling tube 501. The air pump 509 pumps air into the anti-blocking component 506, so that the inside of the cleaning mechanism 6 is filled with air. After the collection mechanism reaches the specified position and remains stable, the air pump 509 is turned off, and the plug strip 508 is plugged tightly under the elastic force of the spring 507. The anti-blocking component 506 is opened, and the piston 502 slowly moves downward. The wastewater flows into the sampling tube 501. The anti-blocking component 506 prevents suspended matter in the water from blocking the pipe 601.

[0051] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A wastewater river section sampling device for uniform sampling, comprising a floating plate (1), characterized in that : An air port (2) is provided at the top of the floating board (1), a rope (3) is fixedly connected to the top of the floating board (1), and a protective mechanism (4) is fixedly connected to the bottom of the floating board (1); The wastewater river section sampling equipment with uniform sampling also includes: A sampling mechanism (5), the sampling mechanism (5) being used to sample river water at different depths, the top of the sampling mechanism (5) being rotatably connected to the bottom of the floating plate (1), the sampling mechanism (5) comprising a rotating shaft (504), the top of the rotating shaft (504) being fixedly connected to the bottom of the floating plate (1), the bottom of the rotating shaft (504) being rotatably connected to a sampling tube (501), and the top of the inner wall of the sampling tube (501) being fixedly connected to an anti-blocking component (506); The sampling mechanism (5) further comprises a piston (502), the bottom of the piston (502) being fixedly connected to the bottom of the inner wall of the sampling tube (501), the top of the piston (502) being fixedly connected to a scraper (503), the top of the inner wall of the sampling tube (501) being fixedly connected to an air pump (509), the bottom of the air pump (509) being fixedly connected to the top of an anti-blocking component (506), the inner wall of the sampling tube (501) being fixedly connected to an end thereof close to the protective mechanism (4) and a plugging strip (508) being fixedly connected to the outer wall of the spring (507), and the bottom of the sampling tube (501) being fixedly connected to a connecting block (505); The anti-blocking component (506) comprises a telescopic column (5061), the top of the telescopic column (5061) is fixedly connected to the top of the inner wall of the sampling tube (501), the bottom of the telescopic column (5061) is fixedly connected to a plug plate (5062), the outer surface of the plug plate (5062) is slidably connected to a sealing plate (5069), the bottom of the plug plate (5062) is fixedly connected to an elastic rod (5064), the top of the plug plate (5062) is fixedly connected to a hose (5063), the top of the hose (5063) is fixedly connected to the bottom of the air pump (509), and a buffer box (5066) is arranged outside the plug plate (5062), and the outer wall of the buffer box (5066) is fixedly connected to the inner wall of the sampling tube (501); The inner wall of the buffer box (5066) is fixedly connected to a limiting tube (5068), the elastic rod (5064) is located inside the limiting tube (5068), one end of the elastic rod (5064) away from the limiting tube (5068) is rotatably connected to a cleaning block (5065), the outer wall of the cleaning block (5065) is slidably connected to the inner wall of the pipe (601), and one end of the buffer box (5066) away from the pipe (601) is fixedly connected to a sealing platform (5067); A cleaning mechanism (6) is used to intercept large suspended matter in river water, the outer wall of the cleaning mechanism (6) being fixedly connected to the outer wall of the sampling mechanism (5), the cleaning mechanism (6) comprising a pipe (601), the outer wall of the pipe (601) being fixedly connected to the outer wall of the sampling mechanism (5), the inner wall of the pipe (601) being provided with a slideway (602), the end of the pipe (601) away from the sampling mechanism (5) being fixedly connected to a cleaning component (603), and the end of the cleaning component (603) away from the pipe (601) being fixedly connected to a crushing component (604).

2. The wastewater river section sampling device with uniform sampling according to claim 1 is characterized by: The air port (2) extends to the interior of the protection mechanism (4), the sampling mechanism (5) is evenly arranged at the bottom of the floating plate (1), and the outer wall of the protection mechanism (4) is fixedly connected to an end of the sampling mechanism (5) away from the cleaning mechanism (6).

3. The wastewater river section sampling device with uniform sampling according to claim 1 is characterized by: The protection mechanism (4) comprises a connecting plate (401), the top of the connecting plate (401) is fixedly connected to the bottom of the floating plate (1), one end of the connecting plate (401) close to the sampling mechanism (5) is fixedly connected to the air pipe (403), the outer wall of the connecting plate (401) is symmetrically rotatably connected to the protection plate (402), the bottom of the protection plate (402) is evenly fixedly connected to the first rotating rod (405), the bottom of the first rotating rod (405) is rotatably connected to the cutting knife (406), and a limiting rod (404) is provided on the opposite side of the protection plate (402), and the outer wall of the limiting rod (404) is rotatably connected to the outer surface of the protection plate (402).

4. The wastewater river section sampling device with uniform sampling according to claim 1, characterized in that: The cleaning component (603) comprises a shell (6031), the outer wall of the shell (6031) being fixedly connected to an end of the pipeline (601) away from the sampling tube (501), the inner wall of the shell (6031) being fixedly connected to a sieve plate (6032), the inner wall of the shell (6031) being fixedly connected to an end of the sieve plate (6032) being fixedly connected to a fixing ring (6035), the end of the sieve plate (6032) close to the pipeline (601) being symmetrically slidably connected to a scraper rod (6033), the end of the scraper rod (6033) being fixedly connected to a slider (6034), the inner wall of the slider (6034) being slidably connected to the outer wall of the fixing ring (6035), the bottom of the shell (6031) being provided with a discharge port (6036), and the outer wall of the shell (6031) being rotatably connected to a baffle plate (6037).

5. The wastewater river section sampling device with uniform sampling according to claim 1, characterized in that: The crushing assembly (604) comprises a sleeve (6041), the outer wall of the sleeve (6041) is fixedly connected to the outer wall of the shell (6031), the inner wall of the sleeve (6041) is evenly rotatably connected to a second rotating rod (6042), the outer wall of the second rotating rod (6042) is evenly rotatably connected to a cutting bar (6043), the outer wall of the second rotating rod (6042) is evenly rotatably connected to an intercepting rod (6044), and the intercepting rod (6044) and the cutting bar (6043) are arranged alternately.

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