River water environment treatment and improvement device

Abstract

The application relates to the technical field of sediment sampling, and discloses a river water environment treatment and improvement device, which comprises a fixing frame, the inside of the top end and the bottom end of the fixing frame is provided with a sliding rail, the inside of the sliding rail is provided with a sampling assembly for collecting sediment, the sampling assembly comprises a bottom support column, the bottom support column is in sliding connection with the sliding rail, the top of the bottom support column is fixed with a supporting rod, the top of the supporting rod is fixed with a sampling cylinder, the surfaces on the two sides of the sampling cylinder are fixed with connecting blocks, the river water environment treatment and improvement device can intercept garbage and sundries in the sediment in the water body through a filter screen, the probability of garbage entering the inside of the sampling cylinder is reduced, the water flow is limited through the conical pipe shape, the water body shunted by the filter screen can be recombined, a certain flow rate can be maintained to wrap the sediment and enter the inside of the sampling cylinder, the precision of sampling sediment is improved, and the efficiency of water environment treatment is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sediment sampling, in particular to a river water environment treatment and improvement device. BACKGROUND

[0002] River water environment treatment refers to the process of using engineering technology, management measures and other means to systematically intervene and regulate pollution sources, ecological systems and human activities that affect the water environment in order to improve and protect the quality, function and ecological system health of the river water body. The core goal is to maintain the ecological balance of the water body, ensure the sustainable use of water resources, and meet the needs of human production and life, ecological protection and other aspects. In the process of river water environment treatment, in order to timely understand the water quality state, sampling equipment needs to be used to sample and detect the river water body and sediment, so as to develop a treatment plan and then realize targeted treatment of the river water environment according to the water body state, thereby improving the river water environment.

[0003] In the prior art, a horizontal sediment sampler is generally used to sample and detect the sediment in the river water body, which provides key data support for analyzing the sediment movement law of the river, evaluating the pollution condition and developing a treatment plan. However, the horizontal sediment sampler is easy to collect the garbage in the river during the sampling process, thereby failing to collect sufficient sediment, resulting in reduced accuracy and completeness of the detection data. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a river water environment treatment and improvement device to solve the problems raised in the background art.

[0005] The present application provides the following technical scheme: a river water environment treatment and improvement device, comprising a fixing frame, a sliding rail is formed in the inside of the top end and the bottom end of the fixing frame, and a sampling assembly for collecting sediment is arranged in the inside of the sliding rail;

[0006] The sampling assembly comprises a bottom support column, the bottom support column is in sliding connection with the sliding rail, a support rod is fixed to the top of the bottom support column, a sampling cylinder is fixed to the top of the support rod, a connecting block is fixed to the surface of both sides of the sampling cylinder, an extension pipe is fixed to the inside of the connecting block, a conical pipe is threadedly connected in one of the extension pipes away from the bottom support column, and a filter screen is fixed in the inside of the conical pipe;

[0007] A limiting frame is fixed to the top of the sampling cylinder, a top support column is fixed to the top of the limiting frame, a first air cylinder is fixed in the inside of the top support column, a connecting plate is fixed to the output shaft of the first air cylinder, movable doors are fixed to the bottom of both ends of the connecting plate, and the movable doors are clamped in the gap between the sampling cylinder and the extension pipe.

[0008] Optionally, the top and bottom of the opening end of the fixing frame are fixed with gear plates, the surface of the gear plates is rotationally connected with a protective plate, the surface of one of the gear plates is fixed with a locking screw, and the locking screw is rotationally connected with the protective plate.

[0009] Optionally, the gap between the sampling cylinder and the extension pipe is equal to the thickness of the movable door, the two sides of the movable door are respectively abutted with the extension pipe and the sampling cylinder, the inside of the conical pipe is fixed with a cross plate, the side of the cross plate close to the filter screen is fixed with a top rod, and the top rod is abutted with the filter screen.

[0010] Optionally, the connecting plate is slidingly connected with the limiting frame, the surface of the movable door is provided with a water outlet, the aperture area of the water outlet is equal to the aperture area of the sampling cylinder, and the surface of the movable door is provided with a through hole at the middle position.

[0011] Optionally, the surface of the supporting rod is threadedly connected with a nut.

[0012] Optionally, the inside of the supporting rod is fixed with a second air cylinder, the output shaft of the second air cylinder is slidingly and sealingly connected with the sampling cylinder, the top of the output shaft of the second air cylinder is fixed with a supporting plate, the inside of the supporting plate is provided with a flow guide groove, the two sides of the supporting plate are rotationally connected with a lever, and the two sides of the lever are fixed with blades.

[0013] Optionally, the inside of the movable door close to the limiting frame is provided with a drainage port, the inside of the movable door is provided with a receiving groove above the drainage port, the inside of the receiving groove is slidingly and sealingly connected with a door seal, the door seal is slidingly and sealingly connected with the drainage port, the surface of the door seal away from the limiting frame is fixed with a tab, the top of the door seal is fixed with a spring, the spring is located in the inside of the receiving groove, and one end of the spring is fixed with the inner wall of the receiving groove.

[0014] Optionally, the surface of the fixing frame is provided with a flow guide port, the flow guide port is communicated with the sliding rail, and the inside of the flow guide port is rotationally connected with a flow guide blade.

[0015] Optionally, the inside of the non-opening end of the fixing frame is fixed with an extension pipe, the extension pipe is composed of a plurality of pipeline threadedly connected parts, the inside of the top end of the innermost pipeline is threadedly connected with a threaded column, the top of the threaded column is fixed with an extension plate, the inside of the extension plate is provided with a sliding groove, the inside of the sliding groove is rotationally connected with a lead screw, and the surface of the lead screw is threadedly connected with a sliding block.

[0016] The sliding block is slidingly connected with the sliding groove, the bottom of the sliding block is hingedly connected with a rotating plate, and the surface of the rotating plate is fixed with a hook.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] Compared with the prior art, the present application has the following beneficial effects:1. The river water environment treatment and improvement device, the garbage and sundries in the water body silt are intercepted through the filter screen, the probability of garbage entering the sampling cylinder is reduced, the water body separated by the filter screen is recombined and maintains a certain flow rate to wrap the silt into the sampling cylinder, and the precision of sampling silt is improved, which provides strong data support for the improvement of river water environment.

[0019] 2. The river water environment treatment and improvement device, the second cylinder drives the blade and the stirring rod to repeatedly rise and fall in the sampling cylinder, the blade is turned over by the water resistance, the stirring rod is turned over while reciprocating, and the function of winding the filamentous sundries is realized, the steps of cleaning the sample during subsequent sample distribution are reduced, and the water body silt in the sampling cylinder is more uniform during sample distribution, and the precision of detection data is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure of the present application is shown in the schematic diagram;

[0021] Figure 2 The adjustment of the fixing frame of the present application is shown in the schematic diagram;

[0022] Figure 3 The structure of the sampling assembly of the present application is shown in the schematic diagram;

[0023] Figure 4 The clamping of the sampling cylinder, the extension pipe and the movable door of the present application is shown in the schematic diagram;

[0024] Figure 5 The structure of the sampling assembly of the present application is shown in the sectional view;

[0025] Figure 6 The structure of the sampling cylinder of the present application is shown in the schematic diagram;

[0026] Figure 7 The structure of the extension pipe of the present application is shown in the schematic diagram;

[0027] Figure 8 The structure of the threaded column and the extension plate of the present application is shown in the schematic diagram;

[0028] Figure 9 The positional relationship of the stirring rod and the blade of the present application is shown in the schematic diagram;

[0029] Figure 10 The positional relationship of the cross plate and the conical pipe of the present application is shown in the schematic diagram;

[0030] Figure 11 The Figure 5 The local enlarged view of A in the middle.

[0031] In the figure: 1, fixed frame; 11, gear plate; 12, guard plate; 13, slide rail; 14, locking screw; 2, bottom support; 21, support rod; 22, sampling cylinder; 23, adapter block; 24, extension pipe; 25, tapered pipe; 251, cross plate; 252, ejector rod; 26, filter screen; 3, limiting frame; 31, top support; 32, first air cylinder; 33, connecting plate; 34, movable door; 35, water outlet; 36, through hole; 4, nut; 5, second air cylinder; 51, support plate; 52, flow guide groove; 53, lever; 54, blade; 6, drain; 61, storage groove; 62, door; 63, tab; 64, spring; 7, flow guide; 71, flow guide blade; 8, telescopic pipe; 81, threaded column; 82, extension plate; 83, sliding groove; 84, lead screw; 85, sliding block; 86, rotating plate; 87, hook. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0033] Embodiment one: please refer to Figures 1-11 A river water environment treatment and improvement device, comprising a fixed frame 1, the inside of the top end and the bottom end of the fixed frame 1 is provided with a slide rail 13, the inside of the slide rail 13 is provided with a sampling assembly for collecting sediment, the sampling assembly comprises a bottom support 2, the bottom support 2 is in sliding connection with the slide rail 13, the top of the bottom support 2 is fixedly connected with a support rod 21, the top of the support rod 21 is fixedly connected with a sampling cylinder 22, the surfaces of the two sides of the sampling cylinder 22 are fixedly connected with adapter blocks 23, the inner sides of the adapter blocks 23 are fixedly connected with extension pipes 24, one of the extension pipes 24 away from the bottom support 2 is internally threadedly connected with a tapered pipe 25, and the inside of the tapered pipe 25 is fixedly connected with a filter screen 26.

[0034] The top of the sampling cylinder 22 is fixedly connected with a limiting frame 3, the top of the limiting frame 3 is fixedly connected with a top support 31, the inside of the top support 31 is fixedly connected with a first air cylinder 32, the output shaft of the first air cylinder 32 is fixedly connected with a connecting plate 33, the bottoms of the two ends of the connecting plate 33 are fixedly connected with movable doors 34, the movable doors 34 are clamped in the gap between the sampling cylinder 22 and the extension pipe 24, the top and the bottom of the opening end of the fixed frame 1 are fixedly connected with gear plates 11, the surfaces of the gear plates 11 are rotatably connected with guard plates 12, the surface of one of the gear plates 11 is fixedly connected with a locking screw 14, and the locking screw 14 is rotatably connected with the guard plate 12.

[0035] The gap between the sampling cylinder 22 and the extension pipe 24 is equal to the thickness of the movable door 34, and the two sides of the movable door 34 are respectively abutted with the extension pipe 24 and the sampling cylinder 22, the inside of the conical pipe 25 is fixed with a cross plate 251, the cross plate 251 is fixed with a top rod 252 on the side close to the filter screen 26, and the top rod 252 is abutted with the filter screen 26, the connecting plate 33 is slidingly connected with the limiting frame 3, the surface of the movable door 34 is provided with a water outlet 35, the aperture area of the water outlet 35 is equal to the aperture area of the sampling cylinder 22, the middle position of the surface of the movable door 34 is provided with a through hole 36, and the surface of the supporting rod 21 is threadedly connected with a nut 4.

[0036] In actual operation, when the present application needs to be multi-point sampled, first rotate the nut on the surface of the locking screw rod 14 to release the locking of the gear plate 11 and the protective plate 12, then rotate the two fixed frames 1, under the meshing action of the two gear plates 11, make the two fixed frames 1 bend and deform, and then make the two fixed frames 1 drive the sampling assemblies in the sliding rails 13 respectively to displace synchronously.

[0037] Then rotate the nut 4 to release the locking of the nut 4 on the supporting rod 21 and the fixed frame 1, then adjust the positions of the sampling assemblies according to the positions to be sampled, rotate the sampling assemblies to make the orientations of the sampling assemblies consistent with the direction of the water flow, then hoist the present application to the river channel by hoisting equipment, so that the two fixed frames 1 can carry the sampling assemblies to sink completely into the river channel, so that the present application can simultaneously multi-point sample the same layer of water body.

[0038] The multi-point sampling horizontal sediment sampler in the prior art can only multi-point sample in the same layer of water body horizontally based on the width of the river channel.

[0039] Compared with the multi-point sampling horizontal sediment sampler in the prior art, the sampling device of the present application not only realizes the basic function of the horizontal sediment sampler, but also can select different sampling points in the area with the protective plate 12 as the center and the fixed frame 1 as the radius according to the sampling requirements, and is not limited to sampling horizontally based on the width of the river channel, but can adjust the relative angle of the two fixed frames 1 to place the sampling assemblies at different gradients in the same layer of water body, so that the present application has a wider range of single multi-point sampling, ensures a low repetition rate of samples, and further improves the precision of sampling and detection, which plays a key role in improving the water environment management of the river channel.

[0040] Specifically, after the sampling assembly is immersed in the river water body, the first cylinder 32 is started by the controller to make the first cylinder 32 push out and drive the connecting plate 33 and the movable door 34 to move downward along the vertical direction of the limiting frame 3, so that the movable door 34 moves downward in the gap between the sampling cylinder 22 and the extension pipe 24 until the water outlet 35 is aligned with the two ends of the sampling cylinder 22, at which time the extension pipe 24, the water outlet 35 and the sampling cylinder 22 are in communication with each other, so that the two ends of the sampling cylinder 22 are in an open and closed state in the water body.

[0041] At this time, the silt in the flowing water body flows towards the inside of the sampling cylinder 22 under the entrainment of the water flow, and the sundries and garbage in the water body are filtered by the filter screen 26 during the flow of the water body silt to the sampling cylinder 22, thereby reducing the probability of sundries and garbage entering the inside of the sampling cylinder 22, and further improving the precision of sampling, so that the detection data is more accurate, thereby effectively improving the effect of water environment governance.

[0042] Further, under the supporting effect of the jack 252 on the filter screen 26, the filter screen 26 is in a conical shape, which reduces the probability of sundries and garbage being adsorbed on the surface of the filter screen 26, so that the garbage can flow along the surface of the filter screen 26 and move away from the filter screen 26 under the entrainment of the water flow, thereby improving the filtering smoothness of the filter screen 26 and reducing the probability of silt being blocked, and further improving the precision of sampling.

[0043] At the same time, under the conical state of the conical pipe 25, the water flow entering the conical pipe 25 is limited by the conical shape of the conical pipe 25, and the water flow dispersed by the filter screen 26 and the turbulence and vortex in the water body are integrated, so that the flow of the combined water body is more stable, the turbulence is reduced, and the settling of coarse-grained silt before the filter screen is also reduced, thereby reducing the probability of non-target water layer silt being entrained, and the water flow and silt filtered by the filter screen 26 can be concentrated and introduced into the sampling cylinder 22, thereby reducing sample leakage and further improving the precision of water body silt sampling.

[0044] After sampling is completed, the first cylinder 32 is controlled to return by the controller, and the first cylinder 32 drives the connecting plate 33 and the movable door 34 to return, so that the movable door 34 moves upward along the vertical direction of the limiting frame 3, and then the water outlet 35 is gradually out of position with the two end openings of the sampling cylinder 22, until the two ends of the sampling cylinder 22 are closed by the movable door 34, so that the water body silt is stopped in the inside of the sampling cylinder 22, and then the invention can be lifted out of the water surface by the lifting equipment.

[0045] It should be noted that all the devices of the present application are controlled by the controller, wherein the fixed frame 1 is provided with two gear plates 11 on the top and bottom surfaces of each fixed frame 1, and the gear plates 11 provided on the two fixed frames 1 are engaged with each other, so that the two fixed frames 1 can rotate around the protection plate 12 as the axis under the action of the gear plates 11.

[0046] And the sampling assembly is an independent assembly, and the corresponding number can be selected according to actual needs, and the sampling assembly is installed in the inside of the slide rail 13 through the open end of the slide rail 13, and the sampling assembly can be adjusted to a specified position in the inside of the slide rail 13 and angle adjustment is performed, so that the orientation of each sampling assembly is consistent with the direction of the water flow, thereby reducing the impact of the water flow on the present application, thereby improving the stability of the present application during sampling, and ensuring that the present application can take water body sediment in the specified target laminar flow;

[0047] Meanwhile, the conical pipe 25 is threadedly connected with the extension pipe 24, and when the river water body is clean, the conical pipe 25 can be selected not to be installed.

[0048] In the embodiment two, the second air cylinder 5 is fixed in the inside of the support rod 21, the output shaft of the second air cylinder 5 is slidably and sealingly connected with the sampling cylinder 22, the top of the output shaft of the second air cylinder 5 is fixed with a support plate 51, the inside of the support plate 51 is provided with a flow guide groove 52, and the two sides of the support plate 51 are rotatably connected with a lever 53, and the two sides of the lever 53 are fixed with a blade 54.

[0049] Specifically, on the basis of the embodiment one, during the sampling process or the transportation process of the present application after the sampling is completed, the second air cylinder 5 is started by the controller, and the second air cylinder 5 is repeatedly ejected and returned, so that the second air cylinder 5 drives the support plate 51 and the lever 53 to repeatedly rise and fall in the inside of the sampling cylinder 22, and the lever 53 drives the blade 54 to repeatedly rise and fall in the inside of the sampling cylinder 22.

[0050] Since the sampling cylinder 22 is filled with water flow in the river water body, when the lever 53 drives the blade 54 to repeatedly rise and fall, the blade 54 is turned over by the resistance of the water flow, and then drives the lever 53 to turn over, so that the lever 53 turns over while moving up and down, and thus the filamentous impurities in the sampling cylinder 22 are wound, so that the probability of the filamentous impurities entering the sampling bottle is reduced when the subsequent sampling is completed and is distributed, and the step of cleaning the sample is reduced.

[0051] Further, the lever 53 can agitate the water flow of the sampling cylinder 22 during the repeated rising and falling process, and the lever 53 can further prevent the sediment with different particle sizes from settling when the sampling cylinder 22 is sampling, so as to improve the sampling accuracy, and when the sample in the sampling cylinder 22 is distributed after the sampling is completed, the sample can also be stirred by the lever 53, so that the sediment is more uniformly dispersed in the water body, and thus the sample after distribution has more uniform sediment content, thereby improving the accuracy of the detection data in the later stage.

[0052] It should be noted that the function of the flow guide groove 52 is to further accelerate the water flow through the flow guide groove 52, that is, the water flow speed inside the flow guide groove 52 is further accelerated, so that the flow speed difference is formed inside and outside the flow guide groove 52. Under the action of the flow speed difference, one side of the blade 54 is impacted by the fast water flow, and the other side is impacted by the slow water flow, thereby increasing the impact force of the water flow around the flow guide groove 52 on the blade 54, further improving the efficiency of the blade 54 overturning, and improving the efficiency of the wire-like impurities winding the lever 53.

[0053] In the embodiment three, the drainage opening 6 is arranged in the interior of the movable door 34 close to one side of the limiting frame 3, the receiving groove 61 is arranged in the interior of the movable door 34 above the drainage opening 6, the sealing door 62 is slidingly and sealingly connected in the interior of the receiving groove 61, the sealing door 62 is slidingly and sealingly connected with the drainage opening 6, the abutting plate 63 is fixed on the surface of the sealing door 62 away from one side of the limiting frame 3, the spring 64 is fixed on the top of the sealing door 62, and one end of the spring 64 is fixed with the inner wall of the receiving groove 61.

[0054] The fixed frame 1 is provided with the flow guide opening 7, the flow guide opening 7 is communicated with the sliding rail 13, the flow guide blade 71 is rotatably connected in the interior of the flow guide opening 7, the telescopic pipe 8 is fixed in the interior of the non-opening end of the fixed frame 1, the telescopic pipe 8 is composed of a plurality of pipe threads, the screw column 81 is threadedly connected in the interior of the top end of the innermost pipe, the extension plate 82 is fixed on the top of the screw column 81, the sliding groove 83 is arranged in the interior of the extension plate 82, the lead screw 84 is rotatably connected in the interior of the sliding groove 83, the sliding block 85 is threadedly connected on the surface of the lead screw 84, the sliding block 85 is slidingly connected with the sliding groove 83, the rotating plate 86 is hingedly connected on the bottom of the sliding block 85, and the hook claw 87 is fixed on the surface of the rotating plate 86.

[0055] Specifically, on the basis of the embodiment one, if the present application needs to be moved to the designated position of the river channel by the ship for sampling, the screw column 81 is preferably rotated to drive the extension plate 82 to rotate, and the extension plate 82 is controlled to face the rail of the ship, then the lead screw 84 is rotated to drive the sliding block 85 and the rotating plate 86 to slide in the sliding groove 83, the rotating plate 86 is moved to the maximum stroke, and then the telescopic pipe 8 is rotated to adjust the extension and contraction of the telescopic pipe 8, so that the extension plate 82 is driven by the telescopic pipe 8 to move up and down, and the distance between the extension plate 82 and the fixed frame 1 is increased.

[0056] When the lifting device lifts the present application to the designated depth in the river water body, the extension plate 82 is clamped at the top of the rail of the ship, at this time the turning plate 86 is turned over, so that the turning plate 86 and the sliding block 85 are in a vertical state, then the lead screw 84 is reversed, so that the lead screw 84 drives the sliding block 85 and the turning plate 86 to move towards the rail of the ship, until the turning plate 86 abuts against the rail, and the rail is clamped and limited by the hook claw 87 and the turning plate 86, then the present application can be hung on the rail of the ship, the ship and the present application can bear the impact of the water flow together, thereby improving the stability of the present application during sampling, avoiding the deviation of sampling, and reducing the sampling precision.

[0057] After sampling is completed and the sample needs to be distributed, the dial piece 63 can be dialed to drive the sealing door 62 to slide inside the storage groove 61 and the drain port 6, so that the drain port 6 is opened, and then the sample in the sampling cylinder 22 is discharged outside through the drain port 6, at this time it can be collected.

[0058] It should be noted that, referring to Figure 8 , the turning plate 86 is limited by the sliding block 85, and the maximum angle of turning over is ninety degrees, and when the present application samples in the water body, the water flow contacts the guide vane 71 when impacting the fixing frame 1, and drives the guide vane 71 to turn over, thereby opening the guide port 7, so that the water flow can be discharged outside through the guide port 7 when impacting the fixing frame 1, compared with the traditional horizontal type multi-point sediment sampler, the present application can reduce the impact force of the water flow on the fixing frame 1, further improving the stability of the present application sampling; the dial piece 63 is maintained in the ejected state by the elastic force of the spring 64 without external force, that is, the drain port 6 is always in a closed state, thereby ensuring the sealing performance of the movable door 34 to the sampling cylinder 22, avoiding leakage during sample transfer.

[0059] Although embodiments of the present application 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 therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A river water environment treatment and upgrading device, comprising a fixing frame (1), characterized in that: The inside of the top end and the bottom end of the fixed frame (1) is provided with a sliding rail (13), and the inside of the sliding rail (13) is provided with a sampling assembly for collecting silt; The sampling assembly comprises a bottom support (2), the bottom support (2) is in sliding connection with the sliding rail (13), the top of the bottom support (2) is fixedly connected with a supporting rod (21), the top of the supporting rod (21) is fixedly connected with a sampling cylinder (22), the surfaces of the two sides of the sampling cylinder (22) are fixedly connected with engaging blocks (23), the inner sides of the engaging blocks (23) are fixedly connected with extension pipes (24), one of the extension pipes (24) is away from the bottom support (2), the inside of the extension pipe (24) is threadedly connected with a conical pipe (25), and the inside of the conical pipe (25) is fixedly connected with a filter screen (26). The top of the sampling cylinder (22) is fixedly connected with a limiting frame (3), the top of the limiting frame (3) is fixedly connected with a top support (31), the inside of the top support (31) is fixedly connected with a first air cylinder (32), the output shaft of the first air cylinder (32) is fixedly connected with a connecting plate (33), the bottoms of the two ends of the connecting plate (33) are fixedly connected with movable doors (34), and the movable doors (34) are clamped in the gap between the sampling cylinder (22) and the extension pipe (24). The inside of the supporting rod (21) is fixedly connected with a second air cylinder (5), the output shaft of the second air cylinder (5) is in sliding sealing connection with the sampling cylinder (22), the top of the output shaft of the second air cylinder (5) is fixedly connected with a supporting plate (51), the inside of the supporting plate (51) is provided with a flow guide groove (52), the two sides of the supporting plate (51) are rotatably connected with lever rods (53), and the two sides of the lever rods (53) are fixedly connected with blades (54).

2. The river water environment treatment and improvement device according to claim 1, characterized in that: The top and the bottom of the open end of the fixed frame (1) are fixedly connected with gear plates (11), the surface of the gear plate (11) is rotatably connected with a protective plate (12), the surface of one of the gear plates (11) is fixedly connected with a locking screw (14), and the locking screw (14) is rotatably connected with the protective plate (12).

3. The river water environment treatment and improvement device according to claim 1, characterized in that: The gap between the sampling cylinder (22) and the extension pipe (24) is equal to the thickness of the movable door (34), the two sides of the movable door (34) are respectively abutted against the extension pipe (24) and the sampling cylinder (22), the inside of the conical pipe (25) is fixedly connected with a cross plate (251), one side of the cross plate (251) close to the filter screen (26) is fixedly connected with a top rod (252), and the top rod (252) is abutted against the filter screen (26).

4. The river water environment treatment and improvement device according to claim 1, characterized in that: The connecting plate (33) is in sliding connection with the limiting frame (3), the surface of the movable door (34) is provided with a water outlet (35), the aperture area of the water outlet (35) is equal to the aperture area of the sampling cylinder (22), and the surface of the movable door (34) is provided with a through hole (36) at the middle position.

5. The river water environment treatment and improvement device according to claim 1, characterized in that: The surface of the supporting rod (21) is threadedly connected with a nut (4).

6. The river water environment treatment and improvement device according to claim 1, characterized in that: The inside of the movable door (34) near the limiting frame (3) side is provided with a drain port (6), the inside of the movable door (34) is provided with a storage groove (61) above the drain port (6), the inside of the storage groove (61) is slidably connected with a sealing door (62), the sealing door (62) is slidably connected with the drain port (6), the surface of the sealing door (62) away from the limiting frame (3) side is fixedly connected with a pulling piece (63), the top of the sealing door (62) is fixedly connected with a spring (64), the spring (64) is located in the inside of the storage groove (61), and one end of the spring (64) is fixedly connected with the inner wall of the storage groove (61).

7. The river water environment treatment and improvement device according to claim 1, characterized in that: The surface of the fixed frame (1) is provided with a flow guide port (7), the flow guide port (7) is communicated with the sliding rail (13), and the inside of the flow guide port (7) is rotatably connected with a flow guide blade (71).

8. The river water environment treatment and improvement device according to claim 1, characterized in that: The inside of the non-opening end of the fixed frame (1) is fixedly connected with an extension pipe (8), the extension pipe (8) is composed of a plurality of pipeline threaded connections, the inside of the top end of the innermost pipeline is threaded connected with a threaded column (81), the top of the threaded column (81) is fixedly connected with an extension plate (82), the inside of the extension plate (82) is provided with a sliding groove (83), the inside of the sliding groove (83) is rotatably connected with a lead screw (84), and the surface of the lead screw (84) is threaded connected with a sliding block (85). The sliding block (85) is slidably connected with the sliding groove (83), the bottom of the sliding block (85) is hingedly connected with a rotating plate (86), and the surface of the rotating plate (86) is fixedly connected with a hook claw (87).

Images