Dredging and dredging device for water conservancy construction

Abstract

The invention discloses a desilting and dredging device for water conservancy construction, and relates to the technical field of water conservancy construction, in particular to a desilting and dredging device for water conservancy construction, the desilting and dredging device comprises a bearing plate, positioning plates are symmetrically and fixedly mounted on the upper surface of one side of the bearing plate, movable plates are slidably mounted on the inner walls of the two positioning plates, and supporting shafts are arranged on the upper surfaces of the two movable plates; supporting plates are rotatably mounted on the outer surfaces of the two supporting shafts, positioning covers are fixedly mounted at the ends of the two supporting plates, guide plates are symmetrically and fixedly mounted on the outer walls of the two positioning covers, and a driving machine is arranged on the outer wall of one side of each positioning cover. According to the water conservancy construction water surface weed impurity extraction device, the limiting plates are arranged on the outer wall of the positioning cover, and the two limiting plates are obliquely arranged and connected through a rubber plate and used for positioning and guiding water surface weed impurities, so that the water surface weed impurities move in the direction of an opening of the positioning cover, and the water conservancy construction water surface weed impurity extraction smoothness can be effectively improved; and the actual operation of the device is more flexible.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy construction, and in particular to a silt clearing and dredging device used in water conservancy construction. Background Art

[0002] Dredging and unblocking in water conservancy construction is a critical task, which is directly related to the normal operation and benefits of water conservancy projects. During the long-term use of water bodies such as rivers and reservoirs, the water-passing cross-section will be reduced due to silt deposition, affecting the smooth flow of water. Regular dredging can restore their original hydraulic conditions and ensure smooth water flow. By removing silt and debris in the river channel, the river channel's flood-carrying capacity can be increased and the risk of flooding can be reduced. Dredging work helps to improve water quality, promote the growth and reproduction of aquatic organisms, and maintain ecological balance. In general, dredging and unblocking in water conservancy construction is a complex and important task, which not only concerns the normal operation of water conservancy projects, but also directly affects flood prevention and disaster reduction capabilities and ecological environmental protection.

[0003] The dredging and unblocking devices used in water conservancy construction in the prior art usually adopt manual dredging and unblocking methods in the process of dredging and unblocking water areas for water conservancy construction, which is not convenient for extracting and processing the dirt on the surface of the water area, is not flexible enough for the actual operation of the device, and has low sustainability in the dredging and unblocking operations of the dirt on the surface of the water area, thereby reducing the dredging and unblocking efficiency of water conservancy construction. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a dredging and unblocking device for water conservancy construction, which has the advantages of high dredging and unblocking efficiency, convenient actual operation of the device and good dredging and unblocking effect. It solves the problem that in the process of dredging and unblocking waters for water conservancy construction, manual dredging and unblocking is usually adopted, which is not convenient for extracting and processing dirt on the surface of the water area, is not flexible enough in the actual operation of the device, and the device has low sustainability in dredging and unblocking operations for dirt on the surface of the water area, thereby reducing the dredging and unblocking efficiency of water conservancy construction.

[0005] (II) Technical solution In order to achieve the above-mentioned purposes of high silt clearing and dredging efficiency, convenient actual operation of the device and good silt clearing and dredging effect, the present invention provides the following technical scheme: it comprises a receiving plate, a positioning plate is symmetrically fixedly installed on the upper surface of one side of the receiving plate, a movable plate is slidably installed on the inner walls of the two positioning plates, a supporting shaft is provided on the upper surfaces of the two movable plates, a supporting plate is rotatably installed on the outer surfaces of the two supporting shafts, a positioning cover is fixedly installed on the ends of the two support plates, a guide plate is symmetrically fixedly installed on the outer walls of the two positioning covers, a driving machine is provided on the outer walls of one side of the two positioning covers, a rotating shaft is symmetrically fixedly installed on the ends of the output shafts of the two driving machines, a plurality of mounting rods are symmetrically fixedly installed on the outer walls of the plurality of mounting rods, a stirring rod is symmetrically fixedly installed on the outer walls of the plurality of mounting rods, a baffle is fixedly installed on the inner upper surfaces of the two positioning covers, a limiting plate is fixedly installed on the outer walls of one side of the two positioning covers, a rubber plate is fixedly connected to the ends of the two limiting plates, and a rectangular groove is opened on the top of the outer wall of one side of the two positioning covers.

[0006] Preferably, a rubber cover is fixedly mounted on the outer wall of one side of the two positioning covers close to the rectangular groove, and a tank body is fixedly mounted on the upper surface of one side of the receiving plate.

[0007] Preferably, a motor is provided in the middle of the upper surface of the tank body, and a driving shaft is fixedly mounted on the end of the output shaft of the motor.

[0008] Preferably, driving rods are symmetrically fixedly mounted on the outer wall of the driving shaft, and cutting blades are fixedly mounted on the outer walls of a plurality of the driving rods.

[0009] Preferably, top plates are symmetrically fixedly mounted on an upper surface of one side of the tank body, water pumps are arranged inside the two top plates, and water pipes are arranged at the input ends of the two water pumps.

[0010] Preferably, filter covers are provided at the bottom ends of the two water pipes, mud pumps are symmetrically provided on the upper surface of one side of the receiving plate, and conduits are fixedly installed at the output ports of the two mud pumps.

[0011] Preferably, mounting rings are symmetrically fixedly mounted on the outer wall of the receiving plate, airbags are fixedly connected to the inner walls of a plurality of the mounting rings, and a driver is provided on an upper surface of one side of the receiving plate.

[0012] Preferably, a driving blade is provided at the output end of the driver, and electric telescopic rods are symmetrically provided on the upper surface of one side of the receiving plate close to the positioning plate, and connecting plates are fixedly installed at the output ends of the two electric telescopic rods.

[0013] Preferably, the ends of the two connecting plates are fixedly connected to the movable plate, hinges are provided on the upper surfaces of the two connecting plates, and hydraulic rods are provided on the outer surfaces of the two hinges.

[0014] Preferably, a connecting shaft is provided on the lower surface of one side of the two positioning covers, the two connecting shafts are rotatably connected to the output end of the hydraulic rod, and a rectangular plate is fixedly installed on the outer wall of one side of the two positioning plates.

[0015] (III) Beneficial effects Compared with the prior art, the present invention provides a dredging device for water conservancy construction, which has the following beneficial effects: 1. The dredging and unblocking device for water conservancy construction can drive the surface weeds near the end of the positioning cover into the interior of the positioning cover by arranging stirring rods on the outer walls of multiple mounting rods, and can drive the water weed impurities to be discharged along the rectangular groove through the cooperation of the baffle plate. At the same time, by arranging a limit plate on the outer wall of the positioning cover, the two limit plates are arranged in an inclined shape and connected by a rubber plate, which are used to position and guide the water weed impurities on the water surface, so that the water weed impurities move toward the direction of the positioning cover opening, which can effectively improve the smoothness of the extraction of water weed impurities on the water conservancy construction surface, and the actual operation of the device is more flexible.

[0016] 2. The dredging and unblocking device for water conservancy construction is provided with a top plate on the upper surface of the tank body for installing and fixing a water pump, the water outlet of the water pump is provided inside the tank body, a water pipe is provided at the water inlet of the water pump, and a filter cover is used to extract clean water, and the clean water is mixed with weeds and impurities inside the tank body, the mud pump is started, and the conduit is connected to the sewage conveying pipeline to discharge the mixed sewage inside the tank body, which can effectively improve the continuity of dredging and unblocking of sewage on the water surface, and enhance the dredging and unblocking efficiency of water conservancy construction.

[0017] 3. The silt clearing and dredging device for water conservancy construction is provided with an electric telescopic rod on the upper surface of the receiving plate corresponding to the positioning plate, and a connecting plate is provided at the output end of the electric telescopic rod and fixedly connected to the movable plate. By starting the electric telescopic rod, the movable plate can be driven to move along the positioning plate. At the same time, a hinge is provided on the upper surface of the connecting plate to provide movably supported hydraulic rods, and is movably connected to the positioning cover through a connecting shaft. By starting the hydraulic rod, the tilt angle of the positioning cover can be automatically adjusted, which can effectively improve the automation degree of the device and facilitate remote operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional top view schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 2 This is a three-dimensional bottom view schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 3 This is a three-dimensional bottom view schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 4 It is a partial three-dimensional cross-sectional schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 5 It is a partial three-dimensional cross-sectional schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 6 It is a three-dimensional side cross-sectional schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 7 It is a three-dimensional side cross-sectional schematic diagram of a silt removal and dredging device structure for water conservancy construction proposed by the present invention; Figure 8 The present invention is a schematic three-dimensional side sectional view of a silt removal and dredging device structure for water conservancy construction.

[0019] In the figure: 1, receiving plate; 2, positioning plate; 3, movable plate; 4, supporting shaft; 5, supporting plate; 6, positioning cover; 7, guide plate; 8, driving machine; 9, rotating shaft; 10, mounting rod; 11, stirring rod; 12, baffle; 13, limiting plate; 14, rubber plate; 15, rectangular groove; 16, rubber cover; 17, tank body; 18, motor; 19, driving shaft; 20, driving rod; 21, cutting blade; 22, top plate; 23, water pump; 24, water pipe; 25, filter cover; 26, mud pump; 27, conduit; 28, mounting ring; 29, airbag; 30, driver; 31, driving blade; 32, electric telescopic rod; 33, connecting plate; 34, hinge; 35, hydraulic rod; 36, connecting shaft; 37, rectangular plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-8, including a receiving plate 1, a positioning plate 2 is symmetrically fixedly installed on the upper surface of one side of the receiving plate 1, a movable plate 3 is slidably installed on the inner wall of the two positioning plates 2, a support shaft 4 is provided on the upper surface of the two movable plates 3, a support plate 5 is rotatably installed on the outer surface of the two support shafts 4, a positioning cover 6 is fixedly installed on the end of the two support plates 5, a guide plate 7 is symmetrically fixedly installed on the outer wall of the two positioning covers 6, a driving machine 8 is provided on the outer wall of one side of the two positioning covers 6, a rotating shaft 9 is symmetrically fixedly installed on the output shaft end of the two driving machines 8, a plurality of mounting rods 10 are symmetrically fixedly installed on the outer wall of the plurality of mounting rods 10, a stirring rod 11 is symmetrically fixedly installed on the outer wall of the plurality of mounting rods 10, a baffle 12 is fixedly installed on the inner upper surface of the two positioning covers 6, and a baffle 12 is fixedly installed on the outer wall of one side of the two positioning covers 6 A limiting plate 13 is installed, and the ends of the two limiting plates 13 are fixedly connected with a rubber plate 14. A rectangular groove 15 is opened on the top of the outer wall of one side of the two positioning covers 6. By driving the water surface weeds close to the end of the positioning cover 6 into the interior of the positioning cover 6, and through the cooperation of the baffle plate 12, the water weed impurities are driven to be discharged along the rectangular groove 15. At the same time, by arranging a limiting plate 13 on the outer wall of the positioning cover 6, the two limiting plates 13 are arranged in an inclined shape and connected by a rubber plate 14, which is used to position and guide the water surface weed impurities, so that the water weed impurities move toward the direction of the opening of the positioning cover 6, which can effectively improve the smoothness of the extraction of water surface weed impurities in water conservancy construction, and the actual operation of the device is more flexible. The outer wall of one side of the two positioning covers 6 close to the rectangular groove 15 A rubber cover 16 is fixedly installed, a tank body 17 is fixedly installed on the upper surface of one side of the receiving plate 1, a motor 18 is provided in the middle of the upper surface of the tank body 17, a drive shaft 19 is fixedly installed on the output shaft end of the motor 18, a drive rod 20 is symmetrically fixedly installed on the outer wall of the drive shaft 19, and a plurality of cutting blades 21 are fixedly installed on the outer walls of the drive rods 20, a top plate 22 is symmetrically fixedly installed on the upper surface of one side of the tank body 17, water pumps 23 are provided inside the two top plates 22, water pipes 24 are provided at the input ends of the two water pumps 23, and filter covers 25 are provided at the bottom ends of the two water pipes 24, a mud pump 26 is symmetrically provided on the upper surface of one side of the receiving plate 1, and a conduit 27 is fixedly installed on the output port of the two mud pumps 26, by arranging the top plate 22 on the upper surface of the tank body 17, The water pump 23 is installed and fixed. The water outlet of the water pump 23 is arranged inside the tank body 17. A water pipe 24 is arranged at the water inlet of the water pump 23, and the filter cover 25 is used to extract clean water. The clean water is mixed with weeds and impurities inside the tank body 17, and the mud pump 26 is started. The conduit 27 is connected to the sewage conveying pipeline to discharge the mixed sewage inside the tank body 17. It can effectively improve the sustainability of dredging and clearing sewage on the water surface, and enhance the dredging and clearing efficiency of water conservancy construction. The outer wall of the receiving plate 1 is symmetrically fixedly installed with mounting rings 28, and the inner walls of multiple mounting rings 28 are fixedly connected with air bags 29. A driver 30 is provided on the upper surface of one side of the receiving plate 1, and a driving blade 31 is provided at the output end of the driver 30.The upper surface of the receiving plate 1 near the positioning plate 2 is symmetrically provided with electric telescopic rods 32, and the output ends of the two electric telescopic rods 32 are fixedly installed with connecting plates 33, and the ends of the two connecting plates 33 are fixedly connected with the movable plate 3, and the upper surfaces of the two connecting plates 33 are provided with hinges 34, and the outer surfaces of the two hinges 34 are provided with hydraulic rods 35, and the lower surfaces of the two positioning covers 6 are provided with connecting shafts 36, and the two connecting shafts 36 are rotatably connected with the output ends of the hydraulic rods 35. A rectangular plate 37 is fixedly installed on the outer wall of one side of the two positioning plates 2. By arranging the connecting plate 33 at the output end of the electric telescopic rod 32 and fixing it with the movable plate 3, the movable plate 3 can be driven to move along the positioning plate 2 by starting the electric telescopic rod 32. At the same time, by arranging the hinge 34 on the upper surface of the connecting plate 33, it is used to support the hydraulic rod 35, and it is movably connected with the positioning cover 6 through the connecting shaft 36. By starting the hydraulic rod 35, it is used to automatically adjust the inclination angle of the positioning cover 6, which can effectively improve the automation degree of the device and facilitate remote operation of the device.

[0022] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0023] When in use, first fix the device on the surface of the dredging water area according to the actual situation of the water conservancy construction area, and set the positioning plate 2 on the upper surface of the receiving plate 1 to support and position the movable plate 3, so that the movable plate 3 can move horizontally along the positioning plate 2 and simultaneously drive the support shaft 4 to move the position, and set the support plate 5 on the outer surface of the support shaft 4 to realize the movable support of the positioning cover 6, so that the positioning cover 6 can rotate along the movable plate 3. The guide plate 7 is set on the outer wall of the positioning cover 6, and the multiple guide plates 7 are arranged in an arc shape. In actual use, the receiving plate 1 floats on the water surface, and the positioning cover 6 is adjusted to a state corresponding to the water surface. In this process, the driving machine 8 is started, and the cooperation of the rotating shaft 9 is realized to drive multiple installations. The rod 10 rotates, and by arranging a stirring rod 11 on the outer wall of the plurality of mounting rods 10, the surface weeds near the end of the positioning cover 6 can be driven to enter the interior of the positioning cover 6, and through the cooperation of the baffle plate 12, the water weed impurities can be driven to be discharged along the rectangular groove 15. At the same time, by arranging a limit plate 13 on the outer wall of the positioning cover 6, the two limit plates 13 are arranged in an inclined shape and are connected by a rubber plate 14, which is used to position and guide the water weed impurities on the surface of the water, so that the water weed impurities move toward the direction of the opening of the positioning cover 6. By arranging a rubber cover 16 on the outer wall of the positioning cover 6 and connecting it with the tank body 17, the surface weed impurities inside the positioning cover 6 can be driven to merge into the tank body 17. In actual use, by arranging a motor 18 on the upper surface of the tank body 17, the electric motor is started. The machine 18 drives a plurality of driving rods 20 to rotate through the cooperation of the driving shaft 19, and a cutting blade 21 is arranged on the outer wall of the plurality of driving rods 20 to chop the weeds and impurities entering the tank body 17. At the same time, a top plate 22 is arranged on the upper surface of the tank body 17 to install and fix a water pump 23. The water outlet of the water pump 23 is arranged inside the tank body 17, and a water delivery pipe 24 is arranged at the water inlet of the water pump 23, and through the cooperation of the filter cover 25, it is used to extract clean water, and by mixing the clean water with the weeds and impurities inside the tank body 17, the mud pump 26 is started, and the conduit 27 is connected to the sewage delivery pipeline to discharge the mixed sewage inside the tank body 17, and a plurality of installations are arranged on the outer wall of the receiving plate 1 The rings 28 are arranged in a rectangular array and are used to fix the airbags 29 so that the device can float on the surface of the water area for water conservancy construction. In actual use, a driver 30 is arranged on the upper surface of the receiving plate 1 to drive the driving blades 31 to rotate and drive the device to move along the water surface. An electric telescopic rod 32 is arranged on the upper surface of the receiving plate 1 and corresponds to the positioning plate 2. A connecting plate 33 is arranged at the output end of the electric telescopic rod 32 and is fixedly connected to the movable plate 3. By starting the electric telescopic rod 32, the movable plate 3 can be driven to move along the positioning plate 2. At the same time, a hinge 34 is arranged on the upper surface of the connecting plate 33 to support the movable support of the hydraulic rod 35 and is movably connected to the positioning cover 6 through a connecting shaft 36.By starting the hydraulic rod 35, the tilt angle of the positioning cover 6 is automatically adjusted.

[0024] In summary, the dredging and clearing device for water conservancy construction adjusts the positioning cover 6 to a state corresponding to the water surface. During this process, the driving machine 8 is started, and the multiple mounting rods 10 are driven to rotate through the cooperation of the rotating shaft 9. By arranging stirring rods 11 on the outer walls of the multiple mounting rods 10, the water surface weeds near the end of the positioning cover 6 can be driven to enter the interior of the positioning cover 6, and through the cooperation of the baffle plate 12, the water weed impurities are driven to be discharged along the rectangular groove 15. At the same time, by arranging a limiting plate 13 on the outer wall of the positioning cover 6, the two limiting plates 13 are arranged in an inclined shape and are connected by a rubber plate 14, which is used to position and guide the water surface weed impurities, so that the water weed impurities move toward the direction of the opening of the positioning cover 6, which can effectively improve the smoothness of the extraction of water surface weed impurities in water conservancy construction, and the actual operation of the device is more flexible. A water pipe 24 is provided at the water inlet of the pump 23, and is used to extract clean water through the cooperation of the filter cover 25. The clean water is mixed with the weeds and impurities inside the tank body 17, the mud pump 26 is started, and the conduit 27 is connected to the sewage conveying pipeline to discharge the mixed sewage inside the tank body 17, which can effectively improve the sustainability of dredging and clearing sewage on the water surface, and enhance the dredging and clearing efficiency of water conservancy construction. By starting the electric telescopic rod 32, the movable plate 3 can be driven to move along the positioning plate 2. At the same time, a hinge 34 is provided on the upper surface of the connecting plate 33 to support the movable support of the hydraulic rod 35, and it is movably connected to the positioning cover 6 through the connecting shaft 36. By starting the hydraulic rod 35, the inclination angle of the positioning cover 6 can be automatically adjusted, which can effectively improve the automation degree of the device, facilitate remote operation of the device, and is suitable for popularization.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise one" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dredging device for water conservancy construction, comprising a receiving plate (1), characterized in that: A positioning plate (2) is symmetrically fixedly mounted on the upper surface of one side of the receiving plate (1); a movable plate (3) is slidably mounted on the inner walls of the two positioning plates (2); a support shaft (4) is provided on the upper surfaces of the two movable plates (3); a support plate (5) is rotatably mounted on the outer surfaces of the two support shafts (4); a positioning cover (6) is fixedly mounted on the ends of the two support plates (5); a guide plate (7) is symmetrically fixedly mounted on the outer walls of the two positioning covers (6); a driving machine (8) is provided on the outer walls of one side of the two positioning covers (6); and the two driving machines (8) are ) are symmetrically fixedly mounted on the end of the output shaft of the two positioning covers (6), a plurality of mounting rods (10) are symmetrically fixedly mounted on the outer walls of the plurality of mounting rods (10), a plurality of stirring rods (11) are symmetrically fixedly mounted on the outer walls of the plurality of mounting rods (10), a baffle (12) is fixedly mounted on the inner upper surfaces of the two positioning covers (6), a limiting plate (13) is fixedly mounted on one side outer wall of the two positioning covers (6), a rubber plate (14) is fixedly connected to the ends of the two limiting plates (13), and a rectangular groove (15) is provided on the top of one side outer wall of the two positioning covers (6).

2. A dredging device for water conservancy construction according to claim 1, characterized in that: A rubber cover (16) is fixedly mounted on the outer wall of one side of the two positioning covers (6) close to the rectangular groove (15), and a tank body (17) is fixedly mounted on the upper surface of one side of the receiving plate (1).

3. A dredging and clearing device for water conservancy construction according to claim 2, characterized in that: A motor (18) is provided in the middle of the upper surface of the tank body (17), and a drive shaft (19) is fixedly mounted on the end of the output shaft of the motor (18).

4. A dredging and clearing device for water conservancy construction according to claim 3, characterized in that: The outer wall of the driving shaft (19) is symmetrically and fixedly mounted with driving rods (20), and the outer walls of a plurality of driving rods (20) are fixedly mounted with cutting blades (21).

5. A dredging and clearing device for water conservancy construction according to claim 4, characterized in that: A top plate (22) is symmetrically fixedly mounted on an upper surface of one side of the tank body (17), water pumps (23) are provided inside the two top plates (22), and water pipes (24) are provided at the input ends of the two water pumps (23).

6. A dredging and clearing device for water conservancy construction according to claim 5, characterized in that: The bottom ends of the two water pipes (24) are provided with filter covers (25), a mud pump (26) is symmetrically provided on the upper surface of one side of the receiving plate (1), and a guide tube (27) is fixedly installed at the output ports of the two mud pumps (26).

7. The desilting and dredging device for water conservancy construction according to claim 1, characterized in that: The outer wall of the receiving plate (1) is symmetrically fixedly mounted with mounting rings (28), the inner walls of a plurality of the mounting rings (28) are fixedly connected with air bags (29), and a driver (30) is provided on an upper surface of one side of the receiving plate (1).

8. A dredging and clearing device for water conservancy construction according to claim 7, characterized in that: The output end of the driver (30) is provided with a driving blade (31), and the upper surface of the receiving plate (1) close to the positioning plate (2) is symmetrically provided with electric telescopic rods (32), and the output ends of the two electric telescopic rods (32) are fixedly mounted with connecting plates (33).

9. A dredging and clearing device for water conservancy construction according to claim 8, characterized in that: The ends of the two connecting plates (33) are fixedly connected to the movable plate (3), the upper surfaces of the two connecting plates (33) are provided with hinges (34), and the outer surfaces of the two hinges (34) are provided with hydraulic rods (35).

10. A dredging and clearing device for water conservancy construction according to claim 9, characterized in that: A connecting shaft (36) is provided on the lower surface of one side of the two positioning covers (6), and the two connecting shafts (36) are rotatably connected to the output end of the hydraulic rod (35). A rectangular plate (37) is fixedly mounted on the outer wall of one side of the two positioning plates (2).

Images