A dredging device for water conservancy and hydropower engineering

Abstract

The application relates to the technical field of water conservancy and hydropower equipment, in particular to dredging equipment for water conservancy and hydropower projects, which comprises an equipment frame, a motor fixedly installed in the equipment frame and a rotating shaft installed on the motor; a first water weed cutting assembly is installed on the rotating shaft; a second water weed cutting assembly is also installed on the rotating shaft; the first water weed cutting assembly and the second water weed cutting assembly are driven to rotate by the rotating shaft, water weeds on a filter screen are cut, and the filter screen is dredged; the first cutter and the second cutter are driven to rotate by the rotating shaft, the water weeds on the filter screen can be effectively cut, manual cutting of hemp is avoided, the work efficiency of cleaning the water weeds on the filter screen is greatly improved, the work intensity of workers is reduced, and the equipment frame is convenient to move and more convenient to use.

Description

Technical Field

[0001] This invention relates to the field of water conservancy and hydropower equipment technology, specifically to a dredging device for water conservancy and hydropower projects. Background Technology

[0002] In water conservancy and hydropower projects, filters are installed in pipelines to filter the water flowing into the pipelines and prevent pipe blockage. However, after a period of use, the filters accumulate a lot of impurities and need to be cleaned and dredged. Otherwise, it will seriously affect the efficiency of water flow into the pipeline. Especially in some pipelines connected to rivers, the filters inside often accumulate a lot of tangled aquatic plants, which can cause serious blockage. Generally, workers need to manually cut and remove the aquatic plants. After cutting to a certain extent, a high-pressure water gun is used to clean the filter. However, manually cutting and removing aquatic plants is quite troublesome, and long aquatic plants tangled in the filter are difficult to cut and remove manually. It is time-consuming, labor-intensive, and has low cleaning efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a dredging device for water conservancy and hydropower projects to solve the problem mentioned in the background art that it is difficult to remove long aquatic plants on the filter screen manually.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A dredging device for water conservancy and hydropower projects includes: an equipment frame, in which a motor is fixedly installed, and a rotating shaft is installed on the motor;

[0006] A first aquatic plant cutting component is mounted on a rotating shaft;

[0007] The second aquatic plant cutting component is also mounted on the rotating shaft;

[0008] The first and second aquatic plant cutting components are driven to rotate by the rotating shaft, which cuts the aquatic plants on the filter screen, thereby clearing the filter screen.

[0009] A locking assembly that locks the first aquatic plant cutting assembly onto the rotating shaft;

[0010] A drive engagement component is sleeved on a rotating shaft and connected to a second aquatic plant cutting component, thereby driving the second aquatic plant cutting component to move.

[0011] Furthermore, a support shaft plate is fixedly provided at the end of the rotating shaft, and a support platform is fixedly provided on the circumference of the support shaft plate;

[0012] Both the first and second aquatic plant cutting components are mounted on the support platform.

[0013] Furthermore, the first aquatic plant cutting component is a first cutter, which has a first cutting part for cutting aquatic plants.

[0014] Furthermore, the second aquatic plant cutting assembly includes: a protective sleeve, which is mounted on a support platform;

[0015] A movable guard plate, which is mounted on a protective sleeve frame;

[0016] The second cutter is also mounted on the protective sleeve and has a second cutting section, which is used to cut aquatic plants.

[0017] Furthermore, the protective sleeve is fitted onto the first cutter to protect it.

[0018] Furthermore, the second cutter is located inside the movable guard plate, which protects the second cutter.

[0019] The second cutter is connected to the first cutter, and the first cutter limits the movement of the second cutter.

[0020] Furthermore, the locking assembly includes a locking support post, which is mounted on a support platform;

[0021] A movable support rod is installed on the locking support column, and the locking support column is locked by the movable support rod.

[0022] Furthermore, a locking blade insert is fixedly provided at the lower end of the locking support column, and the first cutter is locked by the cooperation of the locking blade insert with the first cutter.

[0023] Furthermore, the drive engagement assembly includes a threaded ring, which is threadedly sleeved on the rotating shaft;

[0024] A connecting collar is fitted onto a threaded ring, and a drive connecting rod is hinged to the connecting collar. The connecting collar is movably connected to the protective sleeve through the drive connecting rod.

[0025] Furthermore, a locking rod is installed on the connecting collar to lock the connecting collar.

[0026] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a reasonable structural design and strong functionality, and has the following advantages:

[0027] 1. The rotating shaft drives the first and second cutters to rotate, which can effectively cut the aquatic plants on the filter screen, avoiding the trouble of manual cutting, greatly improving the efficiency of cleaning aquatic plants on the filter screen, reducing the workload of the staff, and the equipment frame is easy to move and use.

[0028] 2. When the equipment frame is not in use, the protective sleeve can protect the first cutter and prevent it from being exposed and causing accidental injury to the workers. At the same time, the second cutting part on the second cutter is located inside the movable guard plate, which can protect the second cutter and prevent it from causing accidental injury to the workers.

[0029] 3. In addition, the first and second cutters are easy to install and remove, making it convenient to replace or maintain them. After cutting, the protective sleeve can push and clean the aquatic plants wrapped around the first cutter, making it easier to remove them. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the equipment rack assembly.

[0031] Figure 2 This is a structural diagram of the equipment rack.

[0032] Figure 3 This is a schematic diagram of the support platform.

[0033] Figure 4 This is an assembly diagram of the support platform, protective sleeve, first cutter, and second cutter.

[0034] Figure 5 A first-person view diagram of the support platform assembly.

[0035] Figure 6 A second-view diagram of the support platform assembly.

[0036] Figure 7 This is a structural schematic diagram of the protective sleeve.

[0037] Figure 8 A first-view schematic diagram of the assembly of the first cutting tool and the locking bearing column.

[0038] Figure 9 A second-view schematic diagram of the assembly of the first cutter and the locking bearing.

[0039] Figure 10 This is a schematic diagram of the assembly of the first and second cutting blades.

[0040] Figure 11 This is an assembly diagram of the connecting collar and the protective sleeve.

[0041] Figure 12 An exploded view of the assembly of the threaded ring and the connecting collar.

[0042] Figure 13 This is a schematic diagram showing the connection between the equipment rack and the filter screen.

[0043] In the diagram: 1. Equipment frame; 11. Support leg plate; 12. Handle; 13. Motor; 14. Rotating shaft; 15. Drive thread; 16. Limiting ring plate; 17. Support shaft plate; 18. Support platform; 181. Insertion cavity; 182. Lower insertion through hole; 183. Support upright plate; 184. Support groove; 185. Matching insertion channel; 186. Matching boss; 187. Connecting slide; 188. Lowering channel; 19. Matching plate frame; 191. Matching locking channel; 2. Protective sleeve frame; 21. Mounting groove; 22. Matching insertion plate; 23. Mounting support plate; 24. Mounting through hole; 25. Matching rod frame; 26. Inclined push block; 3. Movable guard plate; 31. Matching channel; 32. Mounting insertion rod; 33. 34. Support bar; 4. Connecting slider; 5. First cutter; 6. First cutting part; 7. Connecting support bar; 8. Limiting groove; 9. Installation channel; 10. Locking slot; 11. Second cutter; 2. Second cutting part; 32. Installation insert; 43. Connecting support plate; 54. Limiting slider; 6. Locking support column; 71. Support top block; 82. Movable channel; 93. Movable support rod; 104. Movable ball; 11. Mating insert; 12. First spring; 13. Locking insert; 14. Threaded ring; 15. Limiting baffle; 16. Connecting collar; 17. Drive connecting rod; 18. Support strip; 19. Support through hole; 10. Locking ring rod; 10. Locking ring block; 11. Operating bar; 12. Second spring. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] This invention provides a technical solution:

[0046] like Figure 1 , Figure 2 and Figure 13As shown, a dredging device for water conservancy and hydropower projects includes: a frame 1, a first aquatic plant cutting component, a second aquatic plant cutting component, a locking component, and a drive assembly component. A motor 13 is fixedly installed in the frame 1 by screws, and a rotating shaft 14 is installed on the motor 13. The aquatic plant cutting component is installed on the rotating shaft 14, and the second aquatic plant cutting component is also installed on the rotating shaft 14. The rotating shaft 14 drives the first and second aquatic plant cutting components to rotate, cutting the aquatic plants on the filter screen, thereby dredging the filter screen. The locking component locks the first aquatic plant cutting component, ensuring its stability during the cutting process. The drive assembly component is sleeved on the rotating shaft 14 and connected to the second aquatic plant cutting component, driving the second aquatic plant cutting component to move. The movement of the second aquatic plant cutting component exposes the first aquatic plant cutting component, facilitating the cutting of the aquatic plants on the filter screen.

[0047] like Figure 2 As shown, a support leg plate 11 is welded and fixed to the circumference of the equipment frame 1, and a handle 12 is welded and fixed to the support leg plate 11. When cleaning the aquatic plants on the filter screen, the support leg plate 11 is pressed against the filter screen, so that the first aquatic plant cutting component and the second aquatic plant cutting component face the filter screen. This allows the motor 13 to drive the rotating shaft 14 to rotate and cut the aquatic plants on the filter screen. The equipment frame 1 can also be moved as needed to facilitate the cutting of aquatic plants.

[0048] like Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, a support shaft plate 17 is welded and fixed to one end of the rotating shaft 14 away from the equipment frame 1. A support platform 18 is welded and fixed to the support shaft plate 17. The first aquatic plant cutting component and the second aquatic plant cutting component are both installed on the support platform 18. In order to ensure the smooth installation of the first aquatic plant cutting component and the second aquatic plant cutting component on the support platform 18, an insertion cavity 181 is provided. The upper end of the support platform 18 is provided with a lower insertion through hole 182, and the lower end is provided with a lower moving channel 188. The lower insertion through hole 182 and the lower moving channel 188 are both connected to the insertion cavity 181.

[0049] A support plate 183 is fixedly installed at the upper end of the support platform 18. A support groove 184 is provided on the support plate 183. A mating channel 185 is provided on the support platform 18 next to the insertion cavity 181. A mating boss 186 is integrally formed and fixed on the support platform 18. A connecting slide 187 is symmetrically provided at the upper and lower ends of the mating boss 186. The inner wall of the connecting slide 187 is smooth and burr-free.

[0050] like Figure 4As shown, the first aquatic plant cutting component is a first cutter 4. The first cutter 4 has a first cutting part 41 integrally formed on it. The first cutting part 41 is used to cut the aquatic plants. The first cutter 4 is partially inserted into the insertion cavity 181, and the first cutting part 41 protrudes out of the outer side of the insertion cavity 181.

[0051] like Figure 4 , Figure 5 , Figure 7 and Figure 10 As shown, the second aquatic plant cutting assembly includes: a protective sleeve 2, a movable protective plate 3, and a second cutter 5. The protective sleeve 2 is installed on the support platform 18, that is, a mating insert plate 22 is welded and fixed on the protective sleeve 2. The mating insert plate 22 is inserted into the mating channel 185. The protective sleeve 2 is limited by the mating of the mating insert plate 22 and the mating channel 185. The mating insert plate 22 can move along the mating channel 185.

[0052] The movable guard plate 3 is installed on the protective sleeve 2. Specifically, mounting plates 23 are symmetrically welded and fixed at the upper and lower ends of the protective sleeve 2. Mounting through holes 24 are opened on the mounting plates 23. Mounting rods 32 are symmetrically welded and fixed on the movable guard plate 3. The mounting rods 32 are inserted into the mounting through holes 24. The movable guard plate 3 is limited by the cooperation between the mounting rods 32 and the mounting through holes 24. A support strip 33 is also welded and fixed at the end of the mounting rods 32 away from the movable guard plate 3. A connecting slider 34 is integrally formed on the support strip 33. The surface of the connecting slider 34 is smooth and burr-free. The connecting slider 34 is inserted into the connecting slide 187 and contacts the inner wall of the connecting slide 187.

[0053] The second cutter 5 has mounting strips 52 symmetrically welded and fixed at one end. Mounting grooves 21 are symmetrically opened at the upper and lower ends of the protective sleeve 2. The mounting strips 52 are inserted into the mounting grooves 21. The second cutter 5 is installed on the protective sleeve 2 by the cooperation of the mounting strips 52 and the mounting grooves 21. The second cutter 5 is provided with a second cutting part 51, which cuts aquatic plants. A matching channel 31 is opened on the movable guard plate 3. When the second cutting part 51 cuts aquatic plants, as the movable guard plate 3 moves, the second cutting part 51 protrudes from the matching channel 31 on the outside of the movable guard plate 3.

[0054] The protective sleeve 2 is fitted onto the first cutter 4 to protect the first cutter 4. That is, the protective sleeve 2 is fitted onto the end of the first cutting part 41 and works with the mounting plate 23 and the movable guard plate 3 to protect the first cutter 4. At the same time, it can also prevent the first cutter 4 from causing accidental injury to the workers.

[0055] The second cutter 5 is located inside the movable guard plate 3. The movable guard plate 3 protects the second cutter 5. That is, the second cutting part 51 is located inside the movable guard plate 3. In this way, the movable guard plate 3 can also prevent the second cutting part 51 from causing accidental injury to the workers.

[0056] like Figure 4 and Figure 10 As shown, the second cutter 5 is connected to the first cutter 4. The first cutter 4 limits the position of the second cutter 5. Specifically, a connecting support strip 42 is integrally formed on the first cutter 4. The first cutter 4 is mounted on the support platform 18. The connecting support strip 42 protrudes from the outer side of the insertion cavity 181. Limiting grooves 43 are symmetrically formed on the upper and lower sides of the connecting support strip 42. The inner wall of the limiting groove 43 is smooth and burr-free. A connecting plate 53 is integrally formed on the upper and lower sides of the second cutter 5 away from the mounting strip 52. A limiting slider 54 is integrally formed on the connecting plate 53. The surface of the limiting slider 54 is smooth and burr-free. The limiting slider 54 is inserted into the limiting groove 43. The inner wall of the limiting groove 43 is in contact with the limiting slider 54. The cooperation between the limiting groove 43 and the limiting slider 54 limits the position of the second cutter 5, preventing it from separating from the protective sleeve 2 and ensuring the stability of the second cutter 5 installation.

[0057] like Figure 4 , Figure 8 and Figure 9 As shown, the locking assembly includes a locking support column 6 and a movable support rod 63. The locking support column 6 is installed on the support platform 18. Specifically, the locking support column 6 is inserted into the lower insertion through hole 182. A support top block 61 is welded and fixed to the upper end of the locking support column 6, and a movable channel 62 is opened on the support top block 61.

[0058] The movable support rod 63 is mounted on the support top block 61 of the locking support column 6, meaning the movable support rod 63 is inserted into the movable channel 62 and can move along the movable channel 62. A movable ball 64 is welded and fixed to one end of the movable support rod 63. The surface of the movable ball 64 is smooth and burr-free. A mating block 65 is welded and fixed to the other end of the movable support rod 63. The surface of the mating block 65 is also smooth and burr-free. In addition, when the locking support column 6 is locked by the movable support rod 63, the mating block 65 is inserted. The locking support column 6 is in close contact with the inner wall of the support groove 184 on the support plate 183. In this way, the locking support column 6 can be limited by the cooperation of the support groove 184 and the mating plug 65, so that it cannot move. In addition, a first spring 66 is also sleeved on the locking support column 6. The two ends of the first spring 66 are respectively welded to the support top block 61 and the support platform 18. Under the action of the first spring 66, not only can the stability of the locking support column 6 be guaranteed, but the automatic reset of the locking support column 6 can also be realized.

[0059] A locking blade insert 67 is welded and fixed to the lower end of the locking support post 6. The locking blade insert 67 locks the first cutter 4 by cooperating with the first cutter 4. Specifically, the locking blade insert 67 is located in the insertion cavity 181. An installation channel 44 is provided on the first cutter 4, and a locking slot 45 is also provided on the lower end face of the first cutter 4. The locking slot 45 is located below the installation channel 44. When installing the first cutter 4, the locking support post 6 is inserted into the installation channel 44, and the lower end of the locking support post 6... The locking insert 67 is inserted into the locking slot 45 and contacts the inner wall of the locking slot 45. In this way, the locking insert 67 and the locking slot 45 can lock the first cutter 4, ensuring the firmness of the first cutter 4 installation. When the locking insert 67 is inserted into the support groove 184 to lock the locking support column 6, the locking insert 67 will not move out of the locking slot 45. This ensures the stability of the first cutter 4 installation and also ensures the stability of the second cutter 5 installation.

[0060] like Figure 7 As shown, a mating rod frame 25 is integrally formed on the mounting plate 23 on the upper side of the protective sleeve frame 2. An inclined push block 26 is integrally formed on the mating rod frame 25. The surface of the inclined push block 26 is smooth and burr-free. When the first cutter 4 and the second cutter 5 are both in working condition and cutting aquatic plants, the inclined push block 26 is in contact with the movable ball 64 on the movable support rod 63. In this way, the movable ball 64 can be restricted by the inclined push block 26, so that it cannot move. This restricts the movable support rod 63, so that the mating insert 65 on the movable support rod 63 can be stably inserted into the support groove 184, ensuring the stability of the locking support column 6.

[0061] like Figure 1 , Figure 2 , Figure 11 and Figure 12 As shown, the drive engagement assembly includes a threaded ring 7 and a connecting collar 8. The threaded ring 7 is threaded onto the rotating shaft 14. Specifically, a drive thread 15 is provided on the rotating shaft 14. The drive thread 15 engages with the thread on the threaded ring 7. A limiting ring plate 16 is welded and fixed on the rotating shaft 14 below the drive thread 15. The limiting ring plate 16 can limit the threaded ring 7.

[0062] The connecting collar 8 is sleeved on the threaded ring 7. Limiting baffles 71 are symmetrically welded and fixed on the upper and lower sides of the threaded ring 7. The connecting collar 8 is located between the two limiting baffles 71. The connecting collar 8 is limited by the limiting baffles 71. The threaded ring 7 can rotate relative to the connecting collar 8. When the threaded ring 7 moves along the rotation axis 14, it can drive the connecting collar 8 to move synchronously with it.

[0063] A drive connecting rod 81 is hinged to the connecting collar 8. The connecting collar 8 is movably connected to the protective sleeve 2 through the drive connecting rod 81. Specifically, the upper end of the drive connecting rod 81 is hinged to the connecting collar 8, and the lower end of the drive connecting rod 81 is hinged to the mounting plate 23 on the upper side of the protective sleeve 2. When the connecting collar 8 moves, it can drive the protective sleeve 2 to move through the drive connecting rod 81.

[0064] A locking ring rod 84 is installed on the connecting collar 8 to lock the connecting collar 8. Specifically, a mating plate frame 19 is welded and fixed to the rotating shaft 14, and a mating locking channel 191 is provided on the mating plate frame 19. A support strip 82 is welded and fixed to the connecting collar 8, and a support through hole 83 is provided on the support strip 82. The locking ring rod 84 is inserted into the support through hole 83. A locking ring block 85 is welded and fixed to one end of the locking ring rod 84, and an operating strip 86 is welded and fixed to the other end of the locking ring rod 84. When the locking ring block 85 fixes the connecting collar 8, it is inserted into the mating locking channel 191 on the mating plate frame 19. In step 1, when the locking ring block 85 does not fix the connecting collar 8, the locking ring block 85 is in contact with the inner end face of the mating plate frame 19. In addition, a second spring 87 is sleeved on the locking ring rod 84. The two ends of the second spring 87 are welded and fixed to the operating bar 86 and the support bar 82, respectively. When the locking ring block 85 is not inserted into the mating lock track 191, the second spring 87 is in a stretched state. Thus, when the locking ring block 85 is aligned with the mating lock track 191 on the mating plate frame 19, the locking ring block 85 can be moved and inserted into the mating lock track 191 under the action of the second spring 87 to fix the connecting collar 8.

[0065] When it is necessary to clean the aquatic plants on the filter screen, close the valve on the pipe to cut off the pipe from the river. The valve on the pipe is located on one side of the filter screen's interception surface, leaving a pipe space between the valve and the filter screen. This pipe space has a pipe cover that can be opened and closed. This is a standard method of pipe installation. When cleaning is needed, close the valve to allow workers to enter the pipe space through the pipe cover to carry out the work.

[0066] During operation, rotating the threaded ring 7 causes it to move towards the equipment frame 1 under the action of the threads. As the threaded ring 7 moves, it also drives the connecting sleeve 8 to move synchronously. With the movement of the connecting sleeve 8, the driving connecting rod 81 drives the protective sleeve 2 towards the support platform 18. The movement of the protective sleeve 2 exposes the first cutting part 41 on the first cutter 4. Simultaneously, with the movement of the protective sleeve 2, the cooperation of the connecting slide 187 and the connecting slider 34... The second cutting part 51 on the second cutter 5 is exposed. At the same time, driven by the protective sleeve 2, the second cutter 5 moves towards the support platform 18, and the second cutter 5 is partially inserted into the insertion cavity 181. The second cutting part 51 protrudes from the outside of the insertion cavity 181, and at this time the second cutter 5 is in contact with the inner wall of the insertion cavity 181. In this way, the inner wall of the insertion cavity 181 can provide a certain auxiliary support for the second cutter 5, further ensuring the strength of the second cutter 5.

[0067] As the connecting collar 8 moves upward, the locking ring block 85 aligns with the locking channel 191. Under the action of the second spring 87, the locking ring block 85 is inserted into the locking channel 191, locking the connecting collar 8. At this time, both the first cutter 4 and the second cutter 5 are in operation. Then, the support leg plate 11 on the equipment frame 1 abuts against the filter screen. The motor 13 is then started, driving the rotating shaft 14 to rotate. The rotating shaft 14 then drives the first cutter 4 and the second cutter 5 to rotate. With the rotation of the first cutter 4 and the second cutter 5, the aquatic plants entangled on the filter screen can be cut, removing most of the aquatic plants for later processing. Using a high-pressure water gun to clean the filter screen is very convenient, greatly improving the efficiency of cleaning aquatic plants on the filter screen, and thus improving the efficiency of unclogging the filter screen. During the process of cleaning aquatic plants, the equipment frame 1 can be moved to facilitate the cleaning of aquatic plants. When the protective sleeve frame 2 moves towards the support platform 18, the inclined push block 26 will push the movable ball 64 to move and restrict the movable ball 64 so that it cannot move. This allows the mating plug 65 to be stably inserted into the support groove 184, so that the locking support column 6 cannot move, fully ensuring the stability of the first cutter 4 and the second cutter 5 during the working process.

[0068] After the aquatic plants are removed, pull the operating bar 86 to disengage the locking ring block 85 from the locking channel 191, thus unlocking the connecting collar 8. Then, rotate the threaded ring 7 in the opposite direction to move the connecting collar 8 away from the equipment frame 1. This will cause the protective sleeve 2 to move in the opposite direction and reset. If aquatic plants are wrapped around the first cutter 4 during the movement of the protective sleeve 2, it can push the aquatic plants wrapped around the first cutter 4 to move and detach them from the first cutter 4. As the protective sleeve 2 moves, it can once again protect the first cutter 4 and the second cutter 5. When installing the first cutter 4 and the second cutter 5, the second cutter 5 is installed first and positioned on the protective sleeve 2. Then, the first cutter 4 is inserted into the insertion cavity 181 through the protective sleeve 2. During the insertion process, the limiting slider 54 on the second cutter 5 will be inserted into the limiting groove 43 on the first cutter 4. In this way, the second cutter 5 can be restricted by the action of the first cutter 4. During the insertion process, the first cutter 4 pushes the locking support column 6 to move downward, so that the locking knife insert 67 on the locking support column 6 is inserted into the downward channel 188. In this way, the first cutter 4 can be successfully inserted.

[0069] Once the first cutter 4 is inserted into place, releasing the locking support 6 will allow it to reset under the action of the first spring 66. As the locking support 6 resets, the locking block 67 will be inserted into the locking slot 45 on the first cutter 4, completing the fixed installation of the first cutter 4. This makes the installation and removal of the first cutter 4 and the second cutter 5 very convenient, facilitating the later installation, removal, inspection, and maintenance of the first cutter 4 and the second cutter 5.

[0070] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dredging device for water conservancy and hydropower projects, characterized in that: include: The equipment frame has a motor fixedly installed in it, a rotating shaft is installed on the motor, a support shaft plate is fixedly provided at the end of the rotating shaft, a support platform is fixedly provided on the circumference of the support shaft plate, and an insertion cavity is provided on the support platform. A mating channel is provided on the support platform next to the inner cavity, and a mating boss is fixedly provided on the support platform. Connecting slides are symmetrically provided at the upper and lower ends of the mating boss. A first aquatic plant cutting component is mounted on a rotating shaft; The first aquatic plant cutting component is a first cutter, which is provided with a first cutting part. The first cutting part cuts the aquatic plants, and the first cutter part is inserted into the insertion cavity, while the first cutting part protrudes out of the outer side of the insertion cavity. The second aquatic plant cutting component is also mounted on the rotating shaft; The second aquatic plant cutting component includes: a protective sleeve, a movable guard plate, and a second cutter. The protective sleeve is installed on a support platform, and a mating insert plate is fixed on the protective sleeve. The mating insert plate is inserted into the mating channel. The movable guard plate is installed on the protective sleeve frame. The upper and lower ends of the protective sleeve frame are symmetrically fixed with mounting plates. The mounting plates are provided with mounting through holes. The movable guard plate is symmetrically fixed with mounting rods. The mounting rods are inserted into the mounting through holes. The end of the mounting rod away from the movable guard plate is also fixed with a support bar. The support bar is provided with a connecting slider. The connecting slider is inserted into the connecting slide. The second cutter is also mounted on the protective sleeve. One end of the second cutter is symmetrically fixed with mounting strips at the top and bottom. The upper and lower ends of the protective sleeve are symmetrically provided with mounting grooves. The mounting strips are inserted into the mounting grooves. The second cutter is provided with a second cutting part, which cuts the aquatic plants. The protective sleeve is fitted onto the first cutter to protect it. The protective sleeve is fitted onto the end of the first cutting part and cooperates with the mounting plate and the movable guard plate to protect the first cutter. The second cutter is located inside the movable guard plate, which protects the second cutter. The second cutter is connected to the first cutter, and the first cutter limits the second cutter. The first cutter is equipped with a connecting support strip. The first cutter is mounted on the support platform. The connecting support strip protrudes from the outside of the insertion cavity. The upper and lower sides of the connecting support strip are symmetrically provided with limit grooves. The upper and lower sides of the second cutter away from the insertion strip are symmetrically provided with connecting plates. The connecting plates are provided with limit sliders, which are inserted into the limit grooves. The first and second aquatic plant cutting components are driven to rotate by the rotating shaft, which cuts the aquatic plants on the filter screen. A locking assembly that locks the first aquatic plant cutting assembly onto the rotating shaft; A drive engagement component is sleeved on a rotating shaft and connected to a second aquatic plant cutting component, thereby driving the second aquatic plant cutting component to move. The drive engagement assembly includes a threaded ring and a connecting collar. The threaded ring is threaded onto the rotating shaft, and the connecting collar is fitted onto the threaded ring. A drive connecting rod is hinged to the connecting collar, and the connecting collar is movably connected to the protective sleeve through the drive connecting rod. The upper end of the drive connecting rod is hinged to the connecting collar, and the lower end of the drive connecting rod is hinged to the mounting plate on the upper side of the protective sleeve.

2. The dredging equipment for water conservancy and hydropower projects according to claim 1, characterized in that: The locking assembly includes a locking support column, which is mounted on a support platform; A movable support rod is installed on the locking support column, and the locking support column is locked by the movable support rod.

3. A dredging device for water conservancy and hydropower projects according to claim 2, characterized in that: A locking block is fixedly installed at the lower end of the locking support column, and the first cutter is locked by the cooperation of the locking block and the first cutter.

4. A dredging device for water conservancy and hydropower projects according to claim 3, characterized in that: A locking rod is installed on the connecting collar, which locks the connecting collar.

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