Hydroelectric power generation flood discharge gate

Abstract

The utility model belongs to the technical field of hydroelectric power generation, and discloses a hydroelectric power generation flood discharge gate which comprises a flood discharge channel, gate piers are arranged on the two sides of an outlet of the flood discharge channel, sliding grooves are vertically formed in the inner side faces of the gate piers, a gate leaf is slidably arranged in the two sliding grooves jointly, a mounting frame is arranged at the tops of the two gate piers jointly, and a driving assembly is arranged on the mounting frame. Containing grooves are formed in the inner side faces of the gate piers, sliding rods are arranged in the containing grooves, a sliding frame is jointly arranged on the two sliding rods in a sliding mode, two net frame assemblies are arranged on the side, close to the flood discharge channel, of the sliding frame at intervals, a lifting assembly is arranged at an outlet of the flood discharge channel, and a power generation assembly is further arranged on the outer side of the gate leaf. When the gate leaf is opened for flood discharge, sundries such as aquatic plants floating on the water surface approach the gate leaf along with water flow and then are sucked downwards by the water flow, the net frame assembly intercepts the sucked sundries such as the aquatic plants, the sundries such as the aquatic plants are collected in the net frame assembly, and the situation that the sundries such as the aquatic plants are wound on the power generation assembly to affect the power generation efficiency is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydroelectric power generation, and particularly relates to a flood discharge gate for hydroelectric power generation. Background Art

[0002] Flood discharge simply means "discharging flood". Due to continuous heavy rainfall in the upper reaches, the reservoir exceeds a certain water level (flood control limit water level). To avoid water overflow or serious disasters caused by the collapse of the reservoir dam, levee or weir, a scheduling measure of opening the gate to discharge flood downstream is taken to ensure the safety of the reservoir dam. There are certain limitations in the traditional flood discharge gate during use. When discharging flood, the water flow potential energy cannot be effectively utilized for hydroelectric power generation.

[0003] A flood discharge gate for hydroelectric power generation is disclosed in the Chinese utility model patent with the publication number CN220565171U. It includes two columns, and a gate is slidably connected between the two columns. There are symmetrically arranged crushing grooves on the front side wall of the gate. A servo motor is installed in the bottom wall of the crushing groove, and a crushing shaft extending into the crushing groove is installed on the servo motor. The servo motor drives the crushing shaft to rotate, and the crushing shaft cuts and crushes floating waterweeds and other sundries in the river channel. The chopped weeds and other blocking objects will flow downstream with the water flow. Through the power generation cylinder installed behind the gate, a large water flow impacts the vane and drives the power generation shaft to rotate. The power generation shaft rotates and drives the power generation cylinder to generate hydroelectric power, effectively utilizing the huge potential energy of the water flow during the flood discharge of the gate and avoiding waste of resources.

[0004] Regarding the above related technologies, the inventor believes there are the following defects: The crushing shaft of the above device can only crush the floating waterweeds at the crushing groove, and the crushing effect is limited. When the gate is opened for flood discharge, the water flow velocity is relatively fast, and the floating waterweeds on the water surface are carried away by the water flow before approaching the crushing shaft and pass through the lower side of the gate, easily winding around the vane and the power generation shaft, affecting the rotation of the vane and the power generation shaft, and thus affecting the power generation efficiency. Content of the Utility Model

[0005] In order to solve the above problems, the utility model provides a flood discharge gate for hydroelectric power generation.

[0006] The above technical object of the present utility model is achieved by the following technical solutions: A water conservancy power generation flood discharge gate, including pier columns respectively arranged on both sides at the outlet of the flood discharge channel. A chute is vertically opened on the inner side surface of the pier column. The openings of the two chutes are arranged opposite to each other. A gate leaf is slidably arranged in common in the two chutes. An installation frame is jointly arranged on the tops of the two pier columns. A driving component for driving the gate leaf to lift is arranged on the installation frame. A receiving groove is vertically opened on the pier column on the inner side of the gate leaf. The openings of the two receiving grooves are arranged opposite to each other. A sliding rod is vertically arranged in the receiving groove. A sliding frame is slidably arranged in common on the two sliding rods. Two net frame components for collecting waterweeds are horizontally and spacedly arranged on one side of the sliding frame close to the flood discharge channel. A lifting component for driving the sliding frame to lift is arranged on the top of the channel body at the outlet of the flood discharge channel. A power generation component is also arranged on the outer side of the gate leaf.

[0007] By adopting the above technical solutions, the pier columns, the gate leaf, the driving component, the sliding frame, the net frame components, and the lifting component are provided. The driving component is used to drive the gate leaf to move up and down to block or release water. The lifting component drives the sliding frame to descend, so that the net frame components are submerged in the water. When the gate leaf is opened for flood discharge, floating waterweeds and other sundries on the water surface are sucked downward by the water flow as the water flow approaches the gate leaf. The net frame components intercept the sucked waterweeds and other sundries, so that the waterweeds and other sundries are collected in the net frame components, avoiding the waterweeds and other sundries from entangling on the power generation component and affecting the power generation efficiency; after the flood discharge is over, the lifting component drives the sliding frame and the net frame components to rise, and then the staff cleans the waterweeds and other sundries in the net frame components.

[0008] Further, the lifting component includes a fixed frame arranged on the top of the channel body at the outlet of the flood discharge channel. A rack is vertically arranged on the sliding frame. A lifting motor is horizontally arranged on the fixed frame. A driving wheel is arranged on the output shaft of the lifting motor. The driving wheel meshes with the rack. A resisting block is arranged on the fixed frame. One side surface of the rack opposite to the teeth on the rack is in sliding contact with the resisting block.

[0009] By adopting the above technical solutions, the fixed frame, the resisting block, the rack, the lifting motor, and the driving wheel are provided. The lifting motor drives the driving wheel to rotate, drives the rack to lift, and thus drives the sliding frame to lift.

[0010] Further, a first fixing block and a second fixing block are spacedly arranged along the length direction of the flood discharge channel on the fixed frame. A square hole is horizontally opened on the first fixing block. A square rod is slidably arranged in the square hole. A threaded hole is opened on the second fixing block. A threaded rod is rotatably arranged in the threaded hole by screwing. One end of the threaded rod close to the rack is rotatably connected to one end of the square rod far from the rack. An abutting block is arranged at one end of the square rod close to the rack.

[0011] By adopting the above technical solution, a first fixing block, a second fixing block, a square hole, a square rod, a threaded hole, a threaded rod, an abutting block and a crank are provided. Rotating the crank drives the threaded rod to rotate. While the threaded rod rotates, it moves back and forth, driving the square rod and the abutting block to move back and forth, so that the abutting block abuts against or separates from the rack. When the sliding frame does not need to move, the rack is fixed by the abutting block abutting against the rack, thereby fixing the sliding frame.

[0012] Further, the abutting block is provided with a tooth groove corresponding to the teeth of the rack.

[0013] By adopting the above technical solution, a tooth groove is provided in the abutting block corresponding to the teeth of the rack, so that the fixing effect is better after the abutting block abuts against the rack.

[0014] Further, a plastic float is horizontally arranged on the sliding frame.

[0015] By adopting the above technical solution, a plastic float is horizontally arranged on the sliding frame, so that when there is no flood discharge, the height of the sliding frame changes with the water level, so that the net frame assembly is always in the water and near the water surface to collect waterweeds and sundries.

[0016] Further, the net frame assembly includes cross bars spaced on the sliding frame. Transverse grooves are provided in the cross bars. The openings of the two transverse grooves are arranged opposite to each other. A collecting net frame is slidably arranged in the two sliding grooves together.

[0017] By adopting the above technical solution, cross bars, transverse grooves and a collecting net frame are provided. The lifting assembly drives the sliding frame to rise. Subsequently, the staff slides the collecting net frame out of the sliding groove and then pours out the waterweeds and other sundries in the collecting net frame.

[0018] Further, the driving assembly includes a winding drum rotatably arranged on the mounting frame and horizontally arranged. A steel wire rope is arranged on the winding drum. One end of the steel wire rope is connected to the top of the gate leaf and the other end is connected to the winding drum. A winding motor is also horizontally arranged on the mounting frame. The output shaft of the winding motor is coaxially arranged with and fixedly connected to the winding drum.

[0019] By adopting the above technical solution, a winding drum and a steel wire rope are provided. By driving the winding drum to rotate, the winding drum collects the steel wire rope, thereby pulling the gate leaf upward for flood discharge.

[0020] Further, the power generation assembly includes side plates arranged on the pier. A rotating shaft is rotatably arranged between the two side plates. A plurality of blade plates arranged along the length direction of the rotating shaft are circumferentially spaced on the rotating shaft. A generator is arranged on one of the side plates. The input shaft of the generator is connected to the rotating shaft.

[0021] By adopting the above technical solution, a side plate, a rotating shaft, a blade, and a generator are provided. The water flow impacts the blade to drive the rotating shaft to rotate, thereby causing the generator to start generating electricity.

[0022] In summary, the present utility model has the following beneficial effects: In this application, a pier, a gate leaf, a driving component, a sliding frame, a net frame component, and a lifting component are provided. The driving component is used to drive the gate leaf to move up and down to block or release water. The sliding frame is driven to descend by the lifting component, so that the net frame component is submerged in water. When the gate leaf is opened for flood discharge, floating waterweeds and other sundries on the water surface are sucked downward by the water flow as they approach the gate leaf. The net frame component intercepts the sucked waterweeds and other sundries, so that the waterweeds and other sundries are collected in the net frame component, avoiding the waterweeds and other sundries from winding around the power generation component and affecting the power generation efficiency. After the flood discharge is completed, the sliding frame and the net frame component are driven to rise by the lifting component, and then the staff cleans the waterweeds and other sundries in the net frame component. Description of the Drawings

[0023] Figure 1 is the overall structural schematic diagram of the embodiment of the present utility model;

[0024] Figure 2 is Figure 1 the partial enlarged view of

[0025] Figure 3 is the overall structural schematic diagram of another angle of the embodiment of the present utility model;

[0026] Figure 4 is the structural schematic diagram of the sliding frame and the net frame component part of the embodiment of the present utility model.

[0027] In the figure: 10, flood discharge channel; 11, pier; 12, chute; 13, gate leaf; 14, mounting frame; 15, receiving groove; 16, sliding rod; 20, driving component; 21, winding drum; 22, steel wire rope; 23, winding motor; 30, sliding frame; 31, plastic floating cylinder; 40, net frame component; 41, cross bar; 42, cross groove; 43, collection net frame; 50, lifting component; 51, fixed frame; 52, resisting block; 53, rack; 54, lifting motor; 55, driving wheel; 56, first fixing block; 57, second fixing block; 58, square rod; 581, abutting block; 582, tooth groove; 59, threaded rod; 591, crank; 60, power generation component; 61, side plate; 62, rotating shaft; 63, blade; 64, generator. Detailed Embodiments

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application.

[0029] As Figures 1-4 shown, an embodiment of the present application discloses a flood discharge gate for hydroelectric power generation, which includes pier 11, gate leaf 13, sliding frame 30, mesh frame assembly 40, lifting assembly 50, and power generation assembly 60. There are two piers 11 respectively arranged on both sides of the outlet of flood discharge channel 10. A chute 12 is vertically opened on the inner side surface of pier 11. The openings of the two chutes 12 are arranged opposite to each other. A gate leaf 13 is slidably arranged in the two chutes 12 together. An installation frame 14 is jointly arranged on the tops of the two piers 11. A driving assembly 20 is arranged on the installation frame 14, which is used to drive the gate leaf 13 to lift so as to block or release water. A sliding frame 30 is vertically slidably arranged between the two piers 11. The mesh frame assembly 40 is arranged on the side of the sliding frame 30 close to the flood discharge channel 10, which is used to collect sundries such as waterweeds. A lifting assembly 50 is arranged on the top of the channel body at the outlet of the flood discharge channel 10, which is used to drive the sliding frame 30 to lift. By driving the sliding frame 30 to descend through the lifting assembly 50, the mesh frame assembly 40 is submerged in water. When the gate leaf 13 is opened for flood discharge, sundries such as waterweeds floating on the water surface are sucked downward by the water flow after approaching the gate leaf 13. The mesh frame assembly 40 intercepts the sucked sundries such as waterweeds, so that the sundries such as waterweeds are collected in the mesh frame assembly 40.

[0030] Specifically, a receiving groove 15 is opened on the pier 11 inside the gate leaf 13. The openings of the two receiving grooves 15 are arranged opposite to each other. A sliding rod 16 is vertically arranged in the receiving groove 15. A sliding frame 30 is jointly slidably arranged on the two sliding rods 16, so that the sliding frame 30 can rise or fall along the sliding rod 16. The lifting assembly 50 includes a fixed frame 51 arranged on the top of the channel body at the outlet of the flood discharge channel 10. A rack 53 is vertically arranged on the sliding frame 30. A lifting motor 54 is horizontally arranged on the fixed frame 51. A driving wheel 55 is arranged on the output shaft of the lifting motor 54. The driving wheel 55 meshes with the rack 53. By driving the driving wheel 55 to rotate through the lifting motor 54, the rack 53 is driven to lift, so as to drive the sliding frame 30 to lift. A resisting block 52 is arranged on the fixed frame 51. One side surface of the rack 53 opposite to the teeth on the rack 53 is in sliding contact with the resisting block 52 to limit the rack 53 and avoid the phenomenon of tooth skipping.

[0031] When setting, a first fixing block 56 and a second fixing block 57 are arranged at intervals along the length direction of the flood discharge channel 10 on the fixing frame 51. A square hole is horizontally opened on the first fixing block 56, and a square rod 58 is slidably arranged in the square hole, so that the square rod 58 slides along the length direction of the square hole in the square hole. A threaded hole is opened on the second fixing block 57, and a threaded rod 59 is rotatably arranged in the threaded hole by screwing. One end of the threaded rod 59 close to the rack 53 is rotatably connected to the end of the square rod 58 far from the rack 53. When the threaded rod 59 rotates, it moves back and forth, driving the square rod 58 to move back and forth. An abutting block 581 abutting against the rack 53 is arranged at one end of the square rod 58 close to the rack 53. When the square rod 58 moves back and forth, it drives the abutting block 581 to move back and forth, so that the abutting block 581 abuts against or separates from the rack 53. During flood discharge, the sliding frame 30 does not need to move, and the rack 53 is fixed by the abutting block 581 abutting against the rack 53, so as to fix the sliding frame 30. It is not necessary to continuously maintain the height of the sliding frame 30 by the lifting motor 54, reducing the use frequency of the lifting motor 54 and prolonging the service life of the lifting motor 54. A crank 591 is arranged at one end of the threaded rod 59 far from the square rod 58, which is convenient for the staff to rotate the threaded rod 59. Tooth grooves 582 corresponding to the teeth of the rack 53 are opened on the abutting block 581, so that the fixing effect is better after the abutting block 581 abuts against the rack 53. A plastic floating cylinder 31 is horizontally arranged on the sliding frame 30, so that when there is no flood discharge, the height of the sliding frame 30 changes with the water level, so that the net frame assembly 40 is always in the water and near the water surface to collect waterweeds and sundries.

[0032] The net frame assembly 40 includes cross bars 41 arranged at intervals on the sliding frame 30. Cross grooves 42 are opened on the cross bars 41, and the openings of the two cross grooves 42 are arranged opposite to each other. A collecting net frame 43 is slidably arranged in the two sliding grooves 12 together. The lifting assembly 50 drives the sliding frame 30 to rise. Then, the staff slides the collecting net frame 43 out of the sliding groove 12 and pours out the waterweeds and other sundries in the collecting net frame 43. A cross plate is arranged near the lifting assembly 50 at the top of the flood discharge channel 10, which is convenient for the staff to process the collecting net frame 43. Specifically, when setting, the net frame assemblies 40 are arranged in two at intervals on the sliding frame 30, so that the size of each collecting net frame 43 is smaller, avoiding the collecting net frame 43 being too large and inconvenient for the staff to remove. The adjacent cross bars 41 of the two net frame assemblies 40 are connected together. Threaded holes are opened along the length direction of the cross bars 41 at the end connection of the two cross bars 41. Bolts are spirally arranged in the threaded holes, and long strip baffles are sleeved on the bolts. After the collecting net frame 43 is installed, the long strip baffle is rotated into a horizontal state, and then the bolt is tightened, so that both ends of the long strip baffle clamp the two collecting net frames 43 respectively, ensuring that the collecting net frame 43 will not slide out; when the collecting net frame 43 needs to be removed, first loosen the bolt, and then rotate the long strip baffle into a vertical state, and the collecting net frame 43 can be taken out.

[0033] The driving assembly 20 includes a winding drum 21 rotatably arranged on the mounting frame 14 and horizontally disposed. A wire rope 22 is arranged on the winding drum 21. One end of the wire rope 22 is connected to the top of the gate leaf 13, and the other end is connected to the winding drum 21. A winding motor 23 is also horizontally arranged on the mounting frame 14. The output shaft of the winding motor 23 is coaxially arranged and fixedly connected with the winding drum 21. The winding motor 23 drives the winding drum 21 to rotate, so that the winding drum 21 collects the wire rope 22, thereby pulling the gate leaf 13 upward for flood discharge.

[0034] A power generation assembly 60 is further arranged on the outer side of the gate leaf 13. The power generation assembly 60 includes side plates 61 arranged on the pier 11. A rotating shaft 62 is rotatably arranged between the two side plates 61. A plurality of vane plates 63 arranged along the length direction of the rotating shaft 62 are circumferentially spaced on the rotating shaft 62, so that when the water flow impacts the vane plates 63, the rotating shaft 62 is driven to rotate. A generator 64 is arranged on one of the side plates 61. The input shaft of the generator 64 is connected to the rotating shaft 62. The rotation of the rotating shaft 62 drives the input shaft of the generator 64 to rotate, thereby enabling the generator 64 to start generating electricity.

[0035] The working principle of a water conservancy power generation and flood discharge gate in this embodiment is as follows: When flood discharge is required, first shake the crank 591 to drive the threaded rod 59 to rotate, drive the square rod 58 and the abutting block 581 to move back and forth, so that the abutting block 581 abuts against the rack 53 to fix the positions of the rack 53, the sliding frame 30 and the net frame assembly 40. Then start the winding motor 23 to drive the winding drum 21 to rotate, so that the winding drum 21 collects the wire rope 22, thereby pulling the gate leaf 13 upward to allow the water flow to flow out from below the gate leaf 13. The water flow impacts the vane plates 63 to drive the rotating shaft 62 to rotate, thereby enabling the generator 64 to start generating electricity. Floating waterweeds and other sundries on the water surface are sucked downward by the water flow as they approach the gate leaf 13. The collection net frame 43 intercepts the sucked waterweeds and other sundries, so that the waterweeds and other sundries are collected in the collection net frame 43, preventing the waterweeds and other sundries from winding around the rotating shaft 62 and the vane plates 63 and affecting the rotation of the rotating shaft 62 and thus affecting the power generation of the generator 64.

[0036] The above is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as within the protection scope of the present invention.

Claims

1. A hydropower flood discharge gate, characterized by: The invention comprises gate piers (11) respectively arranged on both sides of the outlet of a flood discharge channel (10), wherein a slide groove (12) is vertically provided on the inner side surface of the gate pier (11), and the notches of the two slide grooves (12) are arranged opposite to each other, and a gate leaf (13) is slidably provided in the two slide grooves (12), and a mounting frame (14) is commonly provided on the top of the two gate piers (11), and a driving component (20) for driving the gate leaf (13) to rise and fall is provided on the mounting frame (14), and a receiving groove is vertically provided on the inner side of the gate leaf (13) on the gate pier (11). (15), the notches of the two containing grooves (15) are arranged opposite to each other, a sliding rod (16) is vertically arranged in the containing groove (15), a sliding frame (30) is slidably arranged on the two sliding rods (16), two net frame assemblies (40) for collecting aquatic plants are horizontally arranged at intervals on one side of the sliding frame (30) adjacent to the flood discharge channel (10), a lifting assembly (50) for driving the sliding frame (30) to rise and fall is arranged on the top of the channel body at the outlet of the flood discharge channel (10), and a power generation assembly (60) is also arranged on the outer side of the gate leaf (13).

2. A hydropower flood discharge gate according to claim 1, characterized in that: The lifting assembly (50) comprises a fixed frame (51) arranged on the top of the channel body at the outlet of the flood discharge channel (10); a rack (53) is vertically arranged on the sliding frame (30); a lifting motor (54) is horizontally arranged on the fixed frame (51); a driving wheel (55) is arranged on the output shaft of the lifting motor (54); the driving wheel (55) is meshed with the rack (53); a stop block (52) is arranged on the fixed frame (51); a side surface of the rack (53) relative to the teeth on the rack (53) is in sliding contact with the stop block (52).

3. A hydropower flood discharge gate according to claim 2, characterized in that: A first fixing block (56) and a second fixing block (57) are arranged at intervals along the length direction of the flood discharge channel (10) on the fixing frame (51); a square hole is horizontally provided on the first fixing block (56), a square rod (58) is slidably provided in the square hole; a threaded hole is provided on the second fixing block (57), a threaded rod (59) is spirally provided in the threaded hole, one end of the threaded rod (59) adjacent to the rack (53) is rotatably connected to one end of the square rod (58) away from the rack (53); an abutting block (581) abutting against the rack (53) is provided on one end of the square rod (58) adjacent to the rack (53); and a crank (591) is provided on one end of the threaded rod (59) away from the square rod (58).

4. A hydropower flood discharge gate according to claim 3, characterized in that: The abutment block (581) is provided with tooth grooves (582) corresponding to the teeth of the rack (53).

5. A hydropower flood discharge gate according to claim 3, characterized in that: A plastic buoy (31) is horizontally arranged on the sliding frame (30).

6. A hydropower flood discharge gate according to claim 1, characterized in that: The screen frame assembly (40) comprises a cross bar (41) arranged at intervals on the sliding frame (30), a cross groove (42) is provided on the cross bar (41), two notches of the cross grooves (42) are arranged opposite to each other, and a collecting screen frame (43) is slidably arranged in the two sliding grooves (12).

7. A hydropower flood discharge gate according to claim 1, characterized in that: The driving assembly (20) comprises a winding drum (21) which is rotatably mounted on a mounting frame (14) and arranged horizontally, a steel wire rope (22) being arranged on the winding drum (21), one end of the steel wire rope (22) being connected to the top of the door leaf (13) and the other end being connected to the winding drum (21), and a winding motor (23) being also arranged horizontally on the mounting frame (14), the output shaft of the winding motor (23) being arranged coaxially with the winding drum (21) and being fixedly connected.

8. The hydropower flood discharge gate according to claim 1 is characterized by: The power generation assembly (60) comprises a side plate (61) arranged on the gate pier (11), a rotating shaft (62) is rotatably arranged between the two side plates (61), a plurality of blades (63) are circumferentially arranged at intervals on the rotating shaft (62) and arranged along the length direction of the rotating shaft (62), a generator (64) is arranged on one of the side plates (61), and an input shaft of the generator (64) is connected to the rotating shaft (62).

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