A cofferdam structure for diversion of construction of a hydropower station

Abstract

The utility model belongs to the technical field of hydraulic engineering, concretely is a kind of cofferdam structure for diversion of hydropower station construction, including enclosure, still include: water retaining component, set in the middle segment of the inner side of enclosure, for retaining water;Support component, set in the inside both sides of water retaining component;First support rod, set in the middle segment outside of water retaining component;Transverse moving component, set in the top of first support rod, for driving top structure to transverse move;Limiting frame, set on the moving end of transverse moving component, transverse move limiting frame by transverse moving component;Collecting component, set in the top inside of limiting frame, collect garbage in water by collecting component;The utility model provides a kind of cofferdam structure for diversion of hydropower station construction, transverse moving component drives collecting component to move, to collect garbage floating in water, can effectively clean the garbage around cofferdam, prevent the blockage of water flow passage, ensure the normal operation of cofferdam, reduce the risk of mechanical jam and damage.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy engineering technology, and in particular to a cofferdam structure for diversion during the construction of a hydropower station. Background Technology

[0002] Cofferdams play a crucial role in hydropower station construction, primarily guiding water flow and isolating construction areas to ensure safety and stability during construction. By effectively controlling water flow, they provide a dry and safe construction environment, ensuring the construction area is unaffected by water level fluctuations or floods. The design and construction of cofferdams must consider not only geographical and hydrological conditions but also be tailored to the specific needs of different projects. With the increasing scale of hydropower stations, cofferdams face higher demands, particularly in terms of stability and cost control. In the future, cofferdam construction will gradually move towards intelligent and modular designs, further improving construction efficiency and environmental adaptability, ensuring the smooth progress of hydropower station projects.

[0003] A search revealed an existing patent (publication number: CN221702463U) that discloses a cofferdam structure for water conservancy engineering construction, including a base plate, an mounting plate, and a baffle. A height adjustment mechanism is provided between the mounting plate and the base plate. A support and fixing mechanism is provided on the right side of the base plate. A buffer mechanism is provided between the baffle and the mounting plate. The buffer mechanism includes a circular groove on the left surface of the mounting plate, with a telescopic rod fixedly connected to the inner right wall of the groove. The telescopic end of the telescopic rod is fixedly connected to the right surface of the baffle. This invention utilizes the buffer mechanism. Water flow pushes the baffle to move, and the movement of the baffle pushes the telescopic rod to retract and the two support plates to swing. The retraction of the telescopic rod compresses the first spring, while the swinging of the support plates pushes the transmission plate to move within the buffer groove, pressing against the second spring. Under the action of the first and second springs, the impact force generated by the water flow can be buffered and dissipated, preventing the impact force from directly affecting the base of the device and its stability.

[0004] However, in actual use of the above scheme, the transmission plate slides in the buffer tank for buffering. However, the water in the field environment carries a large amount of floating debris such as driftwood, branches and plastic bottles. This debris may be carried by the water flow into the structure, which may block the cofferdam channel, increase maintenance costs, and affect the stability of the cofferdam. Frequent accumulation of debris may also interfere with the construction progress and reduce work efficiency. In addition, the impact of debris may cause wear or deformation to the structure, affecting the overall function and safety of the cofferdam.

[0005] Therefore, this utility model provides a cofferdam structure for diversion during hydropower station construction. Utility Model Content

[0006] The purpose of this invention is to solve the problem in the prior art that garbage may be carried by the water flow into the interior of the structure, which may cause blockage of the cofferdam channel, increase maintenance costs, and affect the stability of the cofferdam. Therefore, this invention proposes a cofferdam structure for diversion during the construction of a hydropower station.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A cofferdam structure for diversion during hydropower station construction includes a retaining wall and further includes:

[0009] A water-blocking component is installed in the middle section of the inner side of the enclosure to block water.

[0010] Support components are located on both sides inside the water-blocking component;

[0011] The first support rod is located on the outer side of the middle section of the water-blocking assembly;

[0012] A lateral movement component, located at the top of the first support rod, is used to drive the top structure to move laterally;

[0013] The limiting frame is installed on the moving end of the transverse component, and the transverse component drives the limiting frame to move laterally.

[0014] A collection component is installed on the inside of the top of the limiting frame to collect garbage in the water;

[0015] The second connecting plate is located on the rear side of the top of the limiting frame;

[0016] The crushing component is located inside the water-blocking component and is connected to the limiting frame via the second connecting plate.

[0017] As a preferred technical solution of this application, the water-blocking component includes a water-blocking groove fixed to the inner side of the middle section of the enclosure, a flow guide platform fixedly connected to the inner side of the water-blocking groove, and a discharge trough opened on one side of the flow guide platform.

[0018] As a preferred technical solution of this application, the support assembly includes a second support rod symmetrically fixed to the middle section of the inner sidewall of the water-blocking channel, and a second slide rail is fixedly connected to the top of the second support rod.

[0019] As a preferred technical solution of this application, the transverse component includes a support frame fixed to both ends of the top of the first support rod. A pulley is rotatably connected to the inner side of the support frame. A first motor is fixedly connected to the outer wall of one side of the support frame. The output end of the first motor passes through the support frame and is fixedly connected to the rotating end near the pulley. A first slide rail is fixedly connected to the outer walls of both sides of the first support rod. A first slider is slidably connected to the outer side of the first slide rail. A sliding frame is fixedly connected to the outer wall of the first slider. A first connecting plate is fixedly connected to the top of the inner side of the sliding frame. The first connecting plate is fixedly connected to the middle section of the pulley.

[0020] As a preferred technical solution of this application, the collecting assembly includes a support platform fixed to the outside of the limiting frame, a first synchronous toothed belt rotatably connected to both sides of the limiting frame, a guide auger rotatably connected to both sides inside the limiting frame, and a rake frame rotatably connected to the inside of the limiting frame. The rotating end of the guide auger passes through the side wall of the limiting frame and is fixedly connected to the rotating end of the first synchronous toothed belt on the side closest to it. A second motor is fixedly connected to both sides of the top of the support platform. The rotating end of the first synchronous toothed belt on the other side is fixedly connected to the output end of the second motor. A second synchronous toothed belt is provided on the outside of the rake frame. The rotating end of the second synchronous toothed belt near the rake frame is fixedly connected to the rotating end of the rake frame. The rotating end of the second synchronous toothed belt away from the rake frame is fixedly connected to the rotating end of the first synchronous toothed belt near the guide auger. A conveyor belt is provided in the middle section of the inner side of the limiting frame.

[0021] As a preferred technical solution of this application, the crushing assembly includes a second slider that slides on the top of a second slide rail, a crushing box that is fixedly connected to the top of the second slider, the crushing box that is fixedly connected to a second connecting plate, a third motor that is fixedly connected to the outer wall of the crushing box, a first crushing rod that is rotatably connected to one side of the inside of the crushing box, one end of the first crushing rod that is fixedly connected to the third motor, a drive gear that is fixedly connected to the other end of the first crushing rod, a driven gear that is rotatably connected to the outer wall of the crushing box near the drive gear, the driven gear that meshes with the drive gear, and a second crushing rod that rotates inside the crushing box that is fixedly connected to the inner side of the driven gear.

[0022] Compared with the prior art, this utility model provides a cofferdam structure for diversion during hydropower station construction, which has the following beneficial effects:

[0023] 1. The cofferdam structure for diversion in hydropower station construction described in this utility model uses a transverse component to move a collection component, thereby collecting floating garbage in the water. This effectively cleans up garbage around the cofferdam, prevents blockage of the water flow channel, ensures the normal operation of the cofferdam, and reduces the risk of mechanical jamming and damage. This design also reduces maintenance costs, avoids frequent maintenance needs caused by garbage accumulation, improves structural stability, reduces the possibility of wear and deformation, optimizes the water flow environment by keeping the construction area clean, reduces construction interference, improves construction efficiency, and ensures the smooth progress of the entire construction process.

[0024] 2. The cofferdam structure for diversion during hydropower station construction described in this utility model uses a conveyor belt to transport waste into a crushing assembly for crushing. The crushed waste is then transported into a water-retaining trough, guided by a flow-guiding platform, and discharged through a discharge chute. This effectively prevents waste from accumulating near the cofferdam, maintains unobstructed water flow, and ensures the normal operation of the cofferdam. This method not only reduces damage to the cofferdam caused by waste and lowers maintenance costs, but also optimizes the water flow environment, improves construction efficiency, and ensures timely discharge of crushed waste, thereby reducing pollution to the water body and surrounding environment, contributing to ecological protection, and improving the overall stability and sustainability of the construction. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of this utility model. Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the three-dimensional structure of this utility model. Figure 2 ;

[0027] Figure 3 This is a partial three-dimensional structural diagram of the first support rod in this utility model;

[0028] Figure 4 This is a cross-sectional structural diagram of the water-retaining groove in this utility model;

[0029] Figure 5 yes Figure 4 Enlarged view of a portion of point A in the middle;

[0030] Figure 6 This is a partial three-dimensional structural diagram of the first connecting plate in this utility model;

[0031] Figure 7 This is a partial three-dimensional structural diagram of the conveyor belt in this utility model;

[0032] Figure 8 This is a partial three-dimensional structural diagram of the first crushing rod in this utility model.

[0033] In the picture:

[0034] 1. Enclosure; 11. Water barrier; 12. Discharge chute; 13. Guide platform; 2. First support rod; 21. Support frame; 22. Pulley; 23. First motor; 24. First connecting plate; 25. Sliding frame; 26. First slider; 27. First slide rail; 3. Limiting frame; 31. Support platform; 32. Second motor; 33. First synchronous toothed belt; 34. Guide auger; 35. Second synchronous toothed belt; 36. Rake frame; 37. Conveyor belt; 38. Second connecting plate; 4. Crushing box; 41. Third motor; 42. First crushing rod; 43. Drive gear; 44. Driven gear; 45. Second crushing rod; 5. Second support rod; 51. Second slide rail; 52. Second slider. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. Example

[0036] Reference Figure 1-8 A cofferdam structure for diversion during hydropower station construction, comprising a retaining wall 1, and further comprising:

[0037] A water-blocking component is installed in the middle section of the inner side of the enclosure 1 to block water. The enclosure 1 supports and limits the water-blocking component.

[0038] Support components are located on both sides inside the water-blocking component, and the water-blocking component supports the support components.

[0039] The first support rod 2 is located on the outer side of the middle section of the water-blocking assembly, and the water-blocking assembly supports the first support rod 2.

[0040] A lateral movement component is located at the top of the first support rod 2 and is used to drive the top structure to move laterally. The first support rod 2 supports the lateral movement component.

[0041] The limiting frame 3 is set on the moving end of the transverse component. The transverse component drives the limiting frame 3 to move laterally, and the moving end of the transverse component supports the limiting frame 3.

[0042] A collection component is installed on the inner side of the top of the limiting frame 3. The collection component collects garbage in the water, and the limiting frame 3 supports and limits the collection component.

[0043] The second connecting plate 38 is disposed on the rear side of the top of the limiting frame 3, and the limiting frame 3 supports and fixes the second connecting plate 38.

[0044] The crushing component is located inside the water-blocking component and is connected to the limiting frame 3 via the second connecting plate 38.

[0045] The water-blocking assembly includes a water-blocking trough 11 fixed to the inner side of the middle section of the enclosure 1. The enclosure 1 supports and fixes the water-blocking trough 11. A flow guide platform 13 is fixedly connected to the inner side of the water-blocking trough 11. The water-blocking trough 11 supports and fixes the flow guide platform 13. A discharge chute 12 is opened on one side of the flow guide platform 13. The waste crushed by the crushing assembly is transported through the discharge chute 12.

[0046] The support assembly includes a second support rod 5 symmetrically fixed to the middle section of the inner side wall of the water-blocking groove 11. The second support rod 5 is supported and fixed by the side wall of the water-blocking groove 11. A second slide rail 51 is fixedly connected to the top of the second support rod 5, and the second slide rail 51 is supported and fixed by the second support rod 5.

[0047] The lateral movement assembly includes support frames 21 fixed to both ends of the top of the first support rod 2. The first support rod 2 supports and fixes the support frames 21 on both sides. A pulley 22 is rotatably connected to the inner side of the support frame 21, and the support frame 21 limits the two ends of the pulley 22. A first motor 23 is fixedly connected to the outer wall of one side of the support frame 21. The output end of the first motor 23 passes through the support frame 21 and is fixedly connected to the rotating end of the pulley 22 on the side close to it. The first motor 23 is supported and fixed by the support frame 21 on one side, and the first motor 23 drives the pulley 22 to rotate. First sliding joints are fixedly connected to the outer walls of both sides of the first support rod 2. The first slide rail 27 is supported and fixed on both sides by the first support rod 2. The first slide rail 27 is slidably connected to the outer side of the first slide rail 27. The first slide rail 27 supports and limits the first slide rail 26, allowing the first slide rail 26 to slide on the outer side of the first slide rail 27. The outer wall of the first slide rail 26 is fixedly connected to the sliding frame 25, which is supported and fixed by the first slide rail 26. The top inner side of the sliding frame 25 is fixedly connected to the first connecting plate 24, which is fixedly connected to the middle section of the pulley 22. The first motor 23 and the sliding frame 25 are connected through the first connecting plate 24.

[0048] The collecting assembly includes a support platform 31 fixed to the outside of the limiting frame 3, which supports and fixes the support platform 31 via the limiting frame 3; first synchronous toothed belts 33 rotatably connected to both sides of the limiting frame 3, which supports and limits the first synchronous toothed belts 33 on both sides via the limiting frame 3; guide augers 34 rotatably connected to both sides inside the limiting frame 3; and a rake frame 36 rotatably connected to the inside of the limiting frame 3, which simultaneously supports and limits the guide augers 34 on both sides via the limiting frame 3. The rotating end of the guide auger 34 passes through the side wall of the limiting frame 3 and is fixedly connected to the rotating end of the first synchronous toothed belt 33 on the side closest to it. Second motors 32 are fixedly connected to both sides of the top of the support platform 31, and the rotating end of the first synchronous toothed belt 33 on the other side is connected to the second motor 32. The output end is fixedly connected, and the guide auger 34 is driven to rotate by the first synchronous toothed belt 33 via the second motor 32. The outer side of the rake frame 36 is provided with a second synchronous toothed belt 35. The rotating end of the second synchronous toothed belt 35 near the rake frame 36 is fixedly connected to the rotating end of the rake frame 36, and the rotating end of the second synchronous toothed belt 35 away from the rake frame 36 is fixedly connected to the rotating end of the first synchronous toothed belt 33 near the guide auger 34. The rake frame 36 is driven to rotate synchronously by the second synchronous toothed belt 35 via the first synchronous toothed belt 33. A conveyor belt 37 is provided in the middle section of the inner side of the limiting frame 3. The conveyor belt 37 is supported and fixed by the limiting frame 3, and the waste pushed by the rake frame 36 is transported by the conveyor belt 37.

[0049] The pulverizing assembly includes a second slider 52 that slides on the top of a second slide rail 51. The second slide rail 51 supports and limits the second slider 52, allowing it to slide outside the second slide rail 51. A pulverizing box 4 is fixedly connected to the top of the second slider 52, supporting and fixing it. The pulverizing box 4 is fixedly connected to a second connecting plate 38, which also supports and fixes it. Thus, the sliding frame 25 moves the pulverizing box 4 on the top of the second slide rail 51. A third motor 41 is fixedly connected to the outer wall of the pulverizing box 4, supporting and fixing it. A first pulverizing rod 42 is rotatably connected to one side inside the pulverizing box 4, limiting its movement. The crushing rod 42 rotates inside the crushing box 4. One end of the first crushing rod 42 is fixedly connected to the third motor 41. The crushing box 4 supports and fixes the third motor 41, and the third motor 41 drives the first crushing rod 42 to rotate. The other end of the first crushing rod 42 is fixedly connected to the drive gear 43. The outer wall of the crushing box 4 near the drive gear 43 is rotatably connected to the driven gear 44. The driven gear 44 meshes with the drive gear 43. The inner side of the driven gear 44 is fixedly connected to the second crushing rod 45, which rotates inside the crushing box 4. The first crushing rod 42 is connected to the second crushing rod 45 through the drive gear 43 and the driven gear 44, so that the first crushing rod 42 and the second crushing rod 45 rotate in opposite directions, thereby crushing the garbage.

[0050] Specifically, the cofferdam structure used for diversion during the construction of this hydropower station operates as follows:

[0051] First, the second motor 32 drives the guide auger 34 to rotate via the first synchronous toothed belt 33. At the same time, the first synchronous toothed belt 33 drives the rake frame 36 to rotate synchronously via the second synchronous toothed belt 35. Thus, the rake frame 36 collects and moves the garbage, and then the garbage is transported into the crushing box 4 via the conveyor belt 37.

[0052] At the same time, the third motor 41 drives the first crushing rod 42 to rotate, and the first crushing rod 42 drives the drive gear 43 to rotate synchronously. Then, the drive gear 43 drives the driven gear 44 and the second crushing rod 45 to rotate synchronously, so that the first crushing rod 42 and the second crushing rod 45 rotate in opposite directions to crush the garbage.

[0053] At the same time, the first motor 23 drives the pulley 22 to rotate inside the support frame 21, thereby driving the sliding frame 25 to move synchronously through the first connecting plate 24 via the pulley 22. Then, the sliding frame 25 drives the top limiting frame 3 to move laterally, thereby collecting and crushing garbage at different locations.

[0054] After the waste is crushed, it falls directly onto the top of the guide platform 13. The guide platform 13 guides the crushed waste to one side of the discharge chute 12 and then transports it out of the discharge chute 12.

[0055] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A cofferdam structure for diversion during hydropower station construction, comprising a retaining wall (1), characterized in that, Also includes: A water-blocking component is installed in the middle section of the inner side of the enclosure (1) for blocking water; Support components are located on both sides inside the water-blocking component; The first support rod (2) is located on the outer side of the middle section of the water-blocking assembly; A lateral movement component is installed on the top of the first support rod (2) to drive the top structure to move laterally; The limiting frame (3) is set on the moving end of the transverse component, and the transverse component drives the limiting frame (3) to move transversely; The collection component is located on the inner side of the top of the limiting frame (3) and collects garbage in the water through the collection component; The second connecting plate (38) is located on the rear side of the top of the limiting frame (3); The crushing component is located inside the water-blocking component and is connected to the limiting frame (3) via the second connecting plate (38).

2. The cofferdam structure for diversion during hydropower station construction according to claim 1, characterized in that, The water-blocking assembly includes a water-blocking trough (11) fixed to the inner side of the middle section of the enclosure (1), and a flow guide (13) is fixedly connected to the inner side of the water-blocking trough (11). A discharge trough (12) is provided on one side of the flow guide (13).

3. The cofferdam structure for diversion during hydropower station construction according to claim 2, characterized in that, The support assembly includes a second support rod (5) symmetrically fixed to the middle section of the inner side wall of the water-blocking groove (11), and a second slide rail (51) is fixedly connected to the top of the second support rod (5).

4. The cofferdam structure for diversion during hydropower station construction according to claim 3, characterized in that, The lateral movement assembly includes a support frame (21) fixed to both ends of the top of the first support rod (2). A pulley (22) is rotatably connected to the inner side of the support frame (21). A first motor (23) is fixedly connected to the outer wall of one side of the support frame (21). The output end of the first motor (23) passes through the support frame (21) and is fixedly connected to the rotating end of the pulley (22) on the side close to it. A first slide rail (27) is fixedly connected to the outer walls of both sides of the first support rod (2). A first slider (26) is slidably connected to the outer side of the first slide rail (27). A sliding frame (25) is fixedly connected to the outer wall of the first slider (26). A first connecting plate (24) is fixedly connected to the top of the inner side of the sliding frame (25). The first connecting plate (24) is fixedly connected to the middle section of the pulley (22).

5. A cofferdam structure for diversion during hydropower station construction according to claim 4, characterized in that, The collecting assembly includes a support platform (31) fixed to the outside of the limiting frame (3), a first synchronous toothed belt (33) rotatably connected to both sides of the limiting frame (3), a guide auger (34) rotatably connected to both sides inside the limiting frame (3), and a rake frame (36) rotatably connected to the inside of the limiting frame (3). The rotating end of the guide auger (34) passes through the side wall of the limiting frame (3) and is fixedly connected to the rotating end of the first synchronous toothed belt (33) on the side close to it. A second motor (32) is fixedly connected to both sides of the top of the support platform (31). The rotating end of the synchronous toothed belt (33) on the other side is fixedly connected to the output end of the second motor (32). A second synchronous toothed belt (35) is provided on the outside of the rake frame (36). The rotating end of the second synchronous toothed belt (35) near the rake frame (36) is fixedly connected to the rotating end of the rake frame (36). The rotating end of the second synchronous toothed belt (35) away from the rake frame (36) is fixedly connected to the rotating end of the first synchronous toothed belt (33) near the guide auger (34). A conveyor belt (37) is provided in the middle section of the inner side of the limiting frame (3).

6. A cofferdam structure for diversion during hydropower station construction according to claim 1, characterized in that, The crushing assembly includes a second slider (52) that slides on the top of the second slide rail (51). A crushing box (4) is fixedly connected to the top of the second slider (52). The crushing box (4) is fixedly connected to the second connecting plate (38). A third motor (41) is fixedly connected to the outer wall of the crushing box (4). A first crushing rod (42) is rotatably connected to one side of the inside of the crushing box (4). One end of the first crushing rod (42) is fixedly connected to the third motor (41). A drive gear (43) is fixedly connected to the other end of the first crushing rod (42). A driven gear (44) is rotatably connected to the outer wall of the crushing box (4) near the drive gear (43). The driven gear (44) meshes with the drive gear (43). A second crushing rod (45) that rotates inside the crushing box (4) is fixedly connected to the inner side of the driven gear (44).

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