An improved river embankment protection structure mainly using dredged sand

Abstract

The application relates to application of dredged sand in the field of river embankment reinforcement, and designs an improved river embankment protection structure with dredged sand as a main material, which can effectively solve the inconvenient use problem of the existing river embankment reinforcement structure. When the water level in the river channel needs to be protected and reinforced, an operator can operate the river embankment reinforcement structure, thereby increasing the stability of the overall protection structure, and conveniently replacing the damaged dredged sand filling bag, so that the river water backflow can be effectively prevented. The improved river embankment protection structure is very convenient when the dredged sand bag is disassembled, thereby facilitating replacement of the damaged dredged sand bag, and the water retaining height of the river embankment can be improved, and the river water backflow can be avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of dredged sand river embankment reinforcement, and specifically relates to an improved river embankment protection structure taking dredged sand as the main body. BACKGROUND

[0002] The dredged sand filling bag refers to a method for constructing an engineering structure by filling sand produced in dredging engineering into a specially designed geotextile bag; the method has a wide application in waterway regulation, river embankment reinforcement and other engineering, can effectively utilize dredged soil resources, reduce environmental pollution and reduce engineering cost; the material in the filling bag is mainly dredged sand, and the sand usually has good physical and mechanical properties, such as high compactness and low permeability; in actual application, the dredged sand also needs to be treated to meet engineering requirements, such as controlling clay content and adjusting water content; the existing river embankment solidification structure usually uses long steel pipes or ropes for positioning when fixing the dredged sand bag, which makes it very inconvenient to replace the dredged sand bag when it is damaged, thereby increasing the working difficulty of maintenance personnel, reducing the working efficiency, prolonging the time of river water scouring the river embankment, easily causing damage to the river embankment, and simultaneously the existing river embankment solidification structure cannot improve the water retaining height of the river embankment during the flood season, so that the river water is easily backflowed when the water level is high, and the use effect is poor. SUMMARY

[0003] In view of the above, in order to overcome the defects of the prior art, the application provides an improved river embankment protection structure taking dredged sand as the main body, which effectively solves the problems that the existing river embankment solidification structure is very troublesome when disassembling and assembling the dredged sand bag, the dredged sand bag is very inconvenient to replace when it is damaged, and the water retaining height of the river embankment cannot be improved during the flood season, so that the river water is easily backflowed when the water level is high.

[0004] To achieve the above object, the present application provides the following technical scheme: An improved river embankment protection structure taking dredged sand as the main body, comprising a river embankment body, the two sides of the inclined surface of the river embankment body are fixedly provided with mounting racks, a plurality of dredged sand filling bag bodies are arranged between the two mounting racks, an installation groove is formed in the upper part of the river embankment body, a hydraulic cylinder is fixedly arranged on the inner wall of one side of the installation groove, a connecting frame is fixedly arranged on the middle part of the top of the river embankment body, a rotating rod is rotatably arranged on the middle part of the connecting frame, a baffle is fixedly arranged on the surface of the rotating rod, a first transmission assembly is arranged on the transmission end of the hydraulic cylinder, the hydraulic cylinder outputs power to the baffle through the first transmission assembly, so that the baffle can be rotated and erected, an installation plate is fixedly arranged on one side of the top of the river embankment body, a protective cover is fixedly arranged on one side of the installation plate, a motor is fixedly arranged in the protective cover, a second transmission assembly is arranged on the output end of the motor, a pressing plate is arranged on the upper part of each of the two mounting racks, the motor outputs power to the two pressing plates through the second transmission assembly, so that the two pressing plates can press or release the plurality of dredged sand filling bag bodies, first sliding grooves are formed in the inner walls of the two ends of the two mounting racks, first sliding blocks are fixedly arranged on the two ends of the two pressing plates, and four first sliding blocks are slidably arranged in the two first sliding grooves.

[0005] Preferably, the first transmission assembly comprises a moving seat, the moving seat is fixedly arranged on the transmission end of the hydraulic cylinder and located in the installation groove, a transmission rod is rotatably arranged on the top of the moving seat, and the top of the transmission rod is rotatably connected with the lower side of the baffle.

[0006] Preferably, the bottom of the moving seat is fixedly provided with a connecting block, the bottom of the connecting block is fixedly provided with a second sliding block, a second sliding groove is formed in the bottom of the installation groove, and the second sliding block is slidably arranged in the second sliding groove.

[0007] Preferably, the second transmission assembly comprises a first sprocket and a second sprocket, the first sprocket is fixedly arranged on the output end of the motor, the second sprocket is arranged on the upper part of the river embankment body, a chain is engagedly connected between the first sprocket and the second sprocket, a first shaft seat is rotatably arranged on one side of the first sprocket, a positioning block is fixedly arranged on one end of the first shaft seat, and the bottom of the positioning block is fixedly connected with the top of the river embankment body.

[0008] Preferably, the middle part of the second sprocket is fixedly provided with a first shaft rod, two first shaft sleeves are rotatably arranged on the surface of the first shaft rod, first supporting rods are fixedly arranged on the surfaces of the two first shaft sleeves, the bottoms of the first supporting rods are fixedly connected with the top of the river embankment body, first bevel gears are fixedly arranged on the two ends of the first shaft rod, second shaft seats are rotatably arranged on the ends of the two first bevel gears away from each other, positioning strips are fixedly arranged on the ends of the two second shaft seats away from each other, and the bottoms of the two positioning strips are fixedly connected with the two mounting racks respectively.

[0009] Preferably, one side of the first bevel gear is connected with the second bevel gear in meshing mode, one side of the second bevel gear is fixedly installed with the second shaft rod, the surfaces of the two second shaft rods are rotatably installed with the three second shaft sleeves, the lower parts of the second shaft sleeves are fixedly installed with the second supporting rods, the bottoms of the second supporting rods are fixedly connected with the two mounting frames respectively, and one end of the second shaft rod is fixedly installed with the third bevel gear.

[0010] Preferably, the lower parts of the surfaces of the third bevel gears are connected with the fourth bevel gears in meshing mode, the lower parts of the fourth bevel gears are fixedly installed with the third shaft rods, the surfaces of the third shaft rods are rotatably installed with the third shaft sleeves, the surfaces of the third shaft sleeves are fixedly installed with the first connecting rods, one end of the first connecting rod is fixedly installed with the sliding rod, and the bottoms of the two sliding rods are fixedly connected with the two mounting frames respectively.

[0011] Preferably, the bottoms of the third shaft rods are fixedly installed with the threaded rods, the surfaces of the threaded rods are threadedly connected with the threaded sleeves, the surfaces of the threaded sleeves are sleeved with the positioning sleeves, the positioning sleeves are fixedly connected with the two mounting frames respectively, the bottoms of the two threaded sleeves extend into the interiors of the two mounting frames and are fixedly connected with the two pressing plates respectively.

[0012] Preferably, the surfaces of the sliding rods are sleeved with the sliding sleeves, the surfaces of the sliding sleeves are fixedly installed with the second connecting rods, and one end of the two second connecting rods is fixedly connected with the two threaded sleeves respectively.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] (1) When the dredging sand filling bag body is damaged, the operator starts the motor inside the protective cover to run forward, the motor running forward drives the first sprocket to rotate along the first shaft seat on the positioning block, the first sprocket rotates to drive the second sprocket to rotate through the chain, the second sprocket rotates to drive the first shaft rod to rotate along the interiors of the two first shaft sleeves, the first shaft rod rotates to drive the two first bevel gears to rotate along the second shaft seats on the two positioning strips, the two first bevel gears rotate to drive the two second shaft rods to rotate along the interiors of the second shaft sleeves through the second bevel gears, the two second shaft rods rotate to drive the fourth bevel gears to rotate through the third bevel gears, the fourth bevel gears rotate to drive the third shaft rods to rotate along the interiors of the third shaft sleeves, the third shaft rods rotate to drive the threaded sleeves to move upward along the interiors of the positioning sleeves through the threaded rods, the threaded sleeves move to drive the sliding sleeves to slide along the surfaces of the sliding rods through the second connecting rods, the stability of the threaded sleeves when moving is increased, the threaded sleeves move upward to drive the pressing plates to move upward, the pressing plates move to drive the first sliding blocks to slide along the interiors of the first sliding grooves, the stability of the pressing plates when moving is increased, the pressing plates move upward to loosen the dredging sand filling bag body, so that the dredging sand filling bag body can be quickly disassembled and replaced;

[0015] When the new dredging sand filling bag body is installed, the operator inserts the two ends of the dredging sand filling bag body into the interiors of the two mounting frames respectively, and then reversely starts the motor to run, and when the motor reversely runs, the threaded sleeves are driven to move downwards along the interiors of the positioning sleeves through the threaded rods, and when the threaded sleeves move downwards, the pressing plates are driven to press and fix the dredging sand filling bag body, so that the replacement of the dredging sand filling bag body is quickly completed.

[0016] (2), when the water level in the river channel is high, the operator starts the hydraulic cylinder in the installation groove to push the moving seat to move, and when the moving seat moves, the second sliding block is driven to slide along the interior of the second sliding groove through the connecting block, the stability of the moving seat when moving is increased, and when the moving seat moves, the baffle is pushed to rotate upwards through the transmission rod, and when the baffle rotates, the rotating rod is driven to rotate along the connecting frame, so that the baffle can be rotated and erected, thereby effectively preventing the river water from flowing back.

[0017] (3), the river embankment solidification structure is very convenient to disassemble and assemble the dredging sand bag, so that the damaged dredging sand bag can be replaced, thereby reducing the working difficulty of the maintenance personnel, improving the working efficiency, reducing the river water erosion time, effectively protecting the river embankment, and improving the water retaining height of the river embankment, avoiding the river water from flowing back, and having very good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0019] In the drawings:

[0020] Figure 1 The structure of the dredging sand filling bag and the river embankment solidification structure of the present application Figure 1 ;

[0021] Figure 2 The structure of the dredging sand filling bag and the river embankment solidification structure of the present application Figure 2 ;

[0022] Figure 3 The structure of the dredging sand filling bag and the river embankment solidification structure of the present application Figure 3 ;

[0023] Figure 4 The structure of the dredging sand filling bag and the river embankment solidification structure of the present application Figure 4 ;

[0024] Figure 5 The internal structure of the protective cover of the present application

[0025] Figure 6 The internal structure of the protective cover of the present application Figure 1Enlarged structural schematic view at A;

[0026] Figure 7 For the invention Figure 3 Enlarged structural schematic view at B;

[0027] Figure 8 For the invention Figure 2 Enlarged structural schematic view at C;

[0028] Figure 9 For the invention

[0029] In the figure: 1, river embankment body; 2, mounting frame; 3, dredged sand filling bag body; 4, mounting groove; 5, baffle; 6, hydraulic cylinder; 7, connecting frame; 8, rotating rod; 9, mounting plate; 10, protective cover; 11, motor; 12, first sprocket; 13, positioning block; 14, second sprocket; 15, chain; 16, first shaft seat; 17, first shaft rod; 18, first shaft sleeve; 19, first support rod; 20, first bevel gear; 21, second shaft seat; 22, positioning strip; 23, second bevel gear; 24, second shaft rod; 25, second shaft sleeve; 26, second support rod; 27, third bevel gear; 28, fourth bevel gear; 29, third shaft rod; 30, first connecting rod; 31, sliding sleeve; 32, second connecting rod; 33, sliding rod; 34, threaded sleeve; 35, third shaft sleeve; 36, positioning sleeve; 37, moving seat; 38, connecting block; 39, second sliding block; 40, second sliding groove; 41, transmission rod; 42, threaded rod; 43, first sliding block; 44, first sliding groove; 45, pressing plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Embodiment one, by Figures 1 to 9The utility model provides a river levee body 1, the two sides of the inclined surface of river levee body 1 are fixedly installed with mounting bracket 2, a plurality of dredging sand filling bag bodies 3 are equipped between two mounting bracket 2, the upper portion of the inside of river levee body 1 is provided with installation groove 4, the inner wall of one side of installation groove 4 is fixedly installed with hydraulic cylinder 6, the middle portion of the top of river levee body 1 is fixedly installed with connecting frame 7, the middle portion of connecting frame 7 is rotatably installed with rotating rod 8, the surface of rotating rod 8 is fixedly installed with baffle 5, the transmission end of hydraulic cylinder 6 is equipped with first transmission assembly, hydraulic cylinder 6 exports power to baffle 5 through first transmission assembly, and baffle 5 can rotate and stand, one side of the top of river levee body 1 is fixedly installed with mounting plate 9, the side of mounting plate 9 is fixedly installed with protective cover 10, the inside of protective cover 10 is fixedly installed with motor 11, the output end of motor 11 is equipped with second transmission assembly, the upper portion of the inside of two mounting bracket 2 is equipped with compression plate 45, motor 11 exports power to two compression plate 45 through second transmission assembly, and two compression plate 45 can compress or loosen a plurality of dredging sand filling bag bodies 3, the inner wall of both ends of two mounting bracket 2 is provided with first sliding slot 43, and the both ends of two compression plate 45 are fixedly installed with first sliding block 44, and four first sliding blocks 44 are slidably installed in the inside of two first sliding slots 43.

[0032] When there is dredging sand filling bag body 3 damage, the operator starts the motor 11 inside the protective cover 10 forward operation, the motor 11 forward operation drives the second transmission assembly forward operation, the second transmission assembly forward operation drives the compression plate 45 to move up, the compression plate 45 moves and drives the first sliding block 43 to slide along the inside of the first sliding slot 44, which increases the stability of the compression plate 45 when moving, the compression plate 45 moves up and loosens the dredging sand filling bag body 3, so that the dredging sand filling bag body 3 can be quickly removed and replaced; when installing new dredging sand filling bag body 3, the operator inserts the both ends of the dredging sand filling bag body 3 into the inside of two mounting bracket 2 respectively, and then the operator reversely starts the second transmission assembly operation, the second transmission assembly reverse operation drives the compression plate 45 to compress and fix the dredging sand filling bag body 3, so that the replacement of the dredging sand filling bag body 3 is quickly completed.

[0033] When the water level in the river is high, the operator starts the hydraulic cylinder 6 in the installation groove 4 to push the first transmission assembly operation, the first transmission assembly operation pushes the baffle 5 to rotate upwards, the baffle 5 rotates and drives the rotating rod 8 to rotate along the connecting frame 7, so that the baffle 5 can rotate and stand up, thereby effectively preventing the river water from flowing back.

[0034] In the second embodiment, on the basis of the first embodiment, the first transmission assembly comprises a moving seat 37 fixedly installed at the transmission end of the hydraulic cylinder 6 and located inside the installation groove 4, the top of the moving seat 37 is rotatably installed with a transmission rod 41, the top of the transmission rod 41 is rotatably connected with the lower side of the baffle 5; the bottom of the moving seat 37 is fixedly installed with a connecting block 38, the bottom of the connecting block 38 is fixedly installed with a second sliding block 39, and the bottom of the inside of the installation groove 4 is provided with a second sliding groove 40, and the second sliding block 39 is slidably installed inside the second sliding groove 40.

[0035] The operator starts the hydraulic cylinder 6 inside the installation groove 4 to push the moving seat 37 to move, and when the moving seat 37 moves, the second sliding block 39 is driven by the connecting block 38 to slide along the inside of the second sliding groove 40, thereby increasing the stability of the moving seat 37 when moving, and when the moving seat 37 moves, the baffle 5 is pushed upward to rotate and stand by the transmission rod 41, thereby effectively blocking the river water.

[0036] The second transmission assembly comprises a first sprocket 12 and a second sprocket 14. The first sprocket 12 is fixedly installed on the output end of the motor 11. The second sprocket 14 is arranged on the upper portion of the levee body 1. The second sprocket 14 and the first sprocket 12 are meshingly connected with a chain 15. One side of the first sprocket 12 is rotatably installed with a first shaft seat 16. One end of the first shaft seat 16 is fixedly installed with a positioning block 13. The bottom of the positioning block 13 is fixedly connected with the top of the levee body 1. The middle portion of the second sprocket 14 is fixedly installed with a first shaft rod 17. The surface of the first shaft rod 17 is rotatably installed with two first shaft sleeves 18. The surfaces of the two first shaft sleeves 18 are fixedly installed with first support rods 19. The bottoms of the first support rods 19 are fixedly connected with the top of the levee body 1. The two ends of the first shaft rod 17 are fixedly installed with first bevel gears 20. The ends of the two first bevel gears 20 away from each other are rotatably installed with second shaft seats 21. The ends of the two second shaft seats 21 away from each other are fixedly installed with positioning strips 22. The bottoms of the two positioning strips 22 are fixedly connected with the two mounting frames 2 respectively. The sides of the first bevel gears 20 are meshingly connected with second bevel gears 23. The sides of the second bevel gears 23 are fixedly installed with second shaft rods 24. The surfaces of the two second shaft rods 24 are rotatably installed with three second shaft sleeves 25. The lower portions of the second shaft sleeves 25 are fixedly installed with second support rods 26. The bottoms of the second support rods 26 are fixedly connected with the two mounting frames 2 respectively. The ends of the second shaft rods 24 are fixedly installed with third bevel gears 27. The lower portions of the surfaces of the third bevel gears 27 are meshingly connected with fourth bevel gears 28. The lower portions of the fourth bevel gears 28 are fixedly installed with third shaft rods 29. The surfaces of the third shaft rods 29 are rotatably installed with third shaft sleeves 35. The surfaces of the third shaft sleeves 35 are fixedly installed with first connecting rods 30. The ends of the first connecting rods 30 are fixedly installed with slide rods 33. The bottoms of the two slide rods 33 are fixedly connected with the two mounting frames 2 respectively. The bottoms of the third shaft rods 29 are fixedly installed with threaded rods 42. The surfaces of the threaded rods 42 are threadedly connected with threaded sleeves 34. The surfaces of the threaded sleeves 34 are sleeved with positioning sleeves 36. The positioning sleeves 36 are fixedly connected with the two mounting frames 2 respectively. The bottoms of the two threaded sleeves 34 extend into the interiors of the two mounting frames 2 and are fixedly connected with two pressing plates 45 respectively. The surfaces of the slide rods 33 are sleeved with slide sleeves 31. The surfaces of the slide sleeves 31 are fixedly installed with second connecting rods 32. The ends of the two second connecting rods 32 are fixedly connected with the two threaded sleeves 34 respectively.

[0037] When the dredging sand filling bag body 3 is damaged, the operator starts the motor 11 forward rotation, the motor 11 forward rotation drives the first sprocket 12 to rotate along the first shaft seat 16 on the positioning block 13, the first sprocket 12 rotates to drive the second sprocket 14 to rotate through the chain 15, the second sprocket 14 rotates to drive the first shaft rod 17 to rotate along the inside of the two first shaft sleeves 18, the first shaft rod 17 rotates to drive the two first bevel gears 20 to rotate along the second shaft seat 21 on the two positioning strips 22, the two first bevel gears 20 rotate to drive the two second shaft rods 24 to rotate along the inside of the second shaft sleeve 25 through the second bevel gear 23, the two second shaft rods 24 rotate to drive the fourth bevel gear 28 to rotate through the third bevel gear 27, the fourth bevel gear 28 rotates to drive the third shaft rod 29 to rotate along the inside of the third shaft sleeve 35, the third shaft rod 29 rotates to drive the threaded sleeve 34 to move up along the inside of the positioning sleeve 36 through the threaded rod 42, the threaded sleeve 34 moves to drive the sliding sleeve 31 to slide along the surface of the sliding rod 33 through the second connecting rod 32, which increases the stability of the threaded sleeve 34 when moving, the threaded sleeve 34 moves up to drive the pressing plate 45 to move up, the pressing plate 45 moves to drive the first sliding block 43 to slide along the inside of the first sliding groove 44, which increases the stability of the pressing plate 45 when moving, the pressing plate 45 moves up to loosen the dredging sand filling bag body 3, so that the dredging sand filling bag body 3 can be quickly removed and replaced;

[0038] When installing a new dredging sand filling bag body 3, the operator inserts the two ends of the dredging sand filling bag body 3 into the inside of the two mounting frames 2 respectively, and then the operator reversely starts the motor 11 to operate, the motor 11 reversely operates to drive the threaded sleeve 34 to move down along the inside of the positioning sleeve 36 through the threaded rod 42, the threaded sleeve 34 moves down to drive the pressing plate 45 to tightly fix the dredging sand filling bag body 3, so that the replacement of the dredging sand filling bag body 3 is quickly completed.

[0039] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0040] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An improved riverbank protection structure based primarily on dredged sand, comprising a riverbank body (1), characterized in that: Mounting frames (2) are fixedly installed on both sides of the inclined surface of the river embankment body (1). Several dredging sand filling bag bodies (3) are provided between the two mounting frames (2). An installation groove (4) is opened in the upper part of the interior of the river embankment body (1). A hydraulic cylinder (6) is fixedly installed on the inner wall of one side of the installation groove (4). A connecting frame (7) is fixedly installed in the middle of the top of the river embankment body (1). A rotating rod (8) is rotatably installed in the middle of the connecting frame (7). A baffle (5) is fixedly installed on the surface of the rotating rod (8). A first transmission component is provided at the transmission end of the hydraulic cylinder (6). The hydraulic cylinder (6) outputs power to the baffle (5) through the first transmission component, so that the baffle (5) can rotate and stand upright. An installation frame (3) is fixedly installed on one side of the top of the river embankment body (1). Mounting plate (9), a protective cover (10) is fixedly installed on one side of the mounting plate (9), a motor (11) is fixedly installed inside the protective cover (10), the output end of the motor (11) is provided with a second transmission component, the upper part of the two mounting frames (2) is provided with a pressing plate (45), the motor (11) outputs power to the two pressing plates (45) through the second transmission component so that the two pressing plates (45) can press or loosen several dredged sand filling bag bodies (3), the inner walls of both ends of the two mounting frames (2) are provided with a first sliding groove (43), the two ends of the two pressing plates (45) are fixedly installed with a first slider (44), and the four first sliders (44) are respectively slidably installed inside the two first sliding grooves (43).

2. The improved riverbank protection structure based on dredged sand as described in claim 1, characterized in that: The first transmission assembly includes a movable seat (37), which is fixedly installed on the transmission end of the hydraulic cylinder (6) and located inside the mounting groove (4). A transmission rod (41) is rotatably installed on the top of the movable seat (37), and the top of the transmission rod (41) is rotatably connected to the lower side of the baffle (5).

3. An improved riverbank protection structure based primarily on dredged sand, as described in claim 2, is characterized in that: A connecting block (38) is fixedly installed at the bottom of the movable seat (37), and a second slider (39) is fixedly installed at the bottom of the connecting block (38). A second sliding groove (40) is opened at the bottom inside the mounting groove (4), and the second slider (39) is slidably installed inside the second sliding groove (40).

4. An improved riverbank protection structure based on dredged sand as described in claim 1, characterized in that: The second transmission assembly includes a first sprocket (12) and a second sprocket (14). The first sprocket (12) is fixedly installed at the output end of the motor (11). The second sprocket (14) is located on the upper part of the riverbank body (1). A chain (15) meshes between the second sprocket (14) and the first sprocket (12). A first bearing seat (16) is rotatably installed on one side of the first sprocket (12). A positioning block (13) is fixedly installed at one end of the first bearing seat (16). The bottom of the positioning block (13) is fixedly connected to the top of the riverbank body (1).

5. An improved riverbank protection structure based primarily on dredged sand, as described in claim 4, is characterized in that: The second sprocket (14) is fixedly mounted with a first shaft (17) in the middle. Two first bushings (18) are rotatably mounted on the surface of the first shaft (17). A first support rod (19) is fixedly mounted on the surface of each of the two first bushings (18). The bottom of the first support rod (19) is fixedly connected to the top of the riverbank body (1). A first bevel gear (20) is fixedly mounted on both ends of the first shaft (17). A second bearing seat (21) is rotatably mounted on the ends of the two first bevel gears (20) that are far apart from each other. A positioning strip (22) is fixedly mounted on the ends of the two second bearing seats (21) that are far apart from each other. The bottom of the two positioning strips (22) is fixedly connected to the two mounting brackets (2) respectively.

6. An improved riverbank protection structure based primarily on dredged sand, as described in claim 5, is characterized in that: The first bevel gear (20) is meshed with a second bevel gear (23) on one side. The second bevel gear (23) is fixedly mounted with a second shaft (24) on one side. The surfaces of the two second shafts (24) are rotatably mounted with three second bushings (25). The lower part of the second bushings (25) is fixedly mounted with a second support rod (26). The bottom of the second support rod (26) is fixedly connected to two mounting brackets (2). The second shaft (24) is fixedly mounted with a third bevel gear (27) at one end.

7. An improved riverbank protection structure based primarily on dredged sand according to claim 6, characterized in that: The lower part of the surface of the third bevel gear (27) is meshed with the fourth bevel gear (28). The lower part of the fourth bevel gear (28) is fixedly installed with the third shaft (29). The surface of the third shaft (29) is rotatably installed with the third bushing (35). The surface of the third bushing (35) is fixedly installed with the first connecting rod (30). One end of the first connecting rod (30) is fixedly installed with the slide rod (33). The bottom of the two slide rods (33) is fixedly connected to the two mounting brackets (2) respectively.

8. An improved riverbank protection structure based on dredged sand as described in claim 7, characterized in that: The bottom of the third shaft (29) is fixedly installed with a threaded rod (42), and the surface of the threaded rod (42) is threadedly connected with a threaded sleeve (34). The surface of the threaded sleeve (34) is fitted with a positioning sleeve (36). The positioning sleeve (36) is fixedly connected to the two mounting brackets (2) respectively. The bottom of the two threaded sleeves (34) extends into the interior of the two mounting brackets (2) and is fixedly connected to the two clamping plates (45) respectively.

9. An improved riverbank protection structure based primarily on dredged sand, as described in claim 8, is characterized in that: Each slide rod (33) is fitted with a slide sleeve (31), and each slide sleeve (31) is fixedly mounted with a second connecting rod (32). One end of each of the two second connecting rods (32) is fixedly connected to two threaded sleeves (34).

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