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CN-116357497-B - Hydroelectric power generation power device suitable for large river channel width river

CN116357497BCN 116357497 BCN116357497 BCN 116357497BCN-116357497-B

Abstract

The invention provides a hydroelectric power generation device suitable for a river with a large river channel width, which comprises an upper driving assembly, a lower driving assembly and a generator, wherein the generator comprises a shell, a flywheel connecting shaft, a flywheel connecting disc and a fixed block, the flywheel connecting shaft penetrates through the flywheel, the flywheel connecting disc is sleeved on the flywheel connecting shaft, one end of the fixed block is fixedly connected with the shell, the other end of the fixed block is fixed on a dam slope protection on two sides of a river surface, the lower driving assembly is arranged in the river, the lower driving assembly is connected with the upper driving assembly, and the upper driving assembly is in transmission connection with the flywheel connecting disc. According to the invention, by utilizing the characteristic that the flow velocity is different at different positions in the river with the large river channel width, the hollow block is driven to rotate around the spiral strip, and then the flywheel in the generator is driven to cut the magnetic induction line, so that the power generation work of the generator is realized.

Inventors

  • GAO SHAN
  • SONG FUBIN
  • HUA PENGFEI

Assignees

  • 上海勘测设计研究院有限公司

Dates

Publication Date
20260505
Application Date
20230414

Claims (8)

  1. 1. The hydroelectric power device suitable for the river with the large river channel width is characterized by comprising an upper driving component, a lower driving component and a generator (3), wherein the generator (3) comprises a shell, a flywheel connecting shaft (31), a flywheel connecting disc (32) and a fixed block (25), the flywheel connecting shaft (31) penetrates through the flywheel, the flywheel connecting disc (32) is sleeved on the flywheel connecting shaft (31), one end of the fixed block (25) is fixedly connected with the shell, the other end of the fixed block is fixed on dam body slope protection (1) on two sides of a river surface (17), the lower driving component is arranged in the river, the lower driving component is connected with the upper driving component, and the upper driving component is in transmission connection with the flywheel connecting disc (32); The upper driving assembly comprises a spiral strip (4), a top connecting block (6), a bottom connecting block (8) and a power driving piece, wherein the top connecting block (6) is sleeved on the periphery of the spiral strip (4), the top connecting block (6) can move up and down along the spiral strip (4), the bottom connecting block (8) is fixed at the bottom end of the spiral strip (4), the power driving piece is fixedly connected with the top connecting block (6), the power driving piece is connected with a flywheel connecting disc (32), and a spring damper (7) is further arranged between the top connecting block (6) and the bottom connecting block (8); The power driving piece comprises a first circular ring (61), a second circular ring (62), a plurality of hollow blocks (5) and a plurality of first connecting rods (63), wherein the centers of the first circular ring (61) and the second circular ring (62) are overlapped with the center of a top connecting block (6), the second circular ring (62) and the first circular ring (61) are sequentially arranged from inside to outside, the first connecting rods (63) are arranged between the top connecting block (6) and the second circular ring (62), the hollow blocks (5) are arranged between the second circular ring (62) and the first circular ring (61), and the hollow blocks (5) are connected with a flywheel connecting disc (32) through telescopic rods (33).
  2. 2. The hydroelectric power device suitable for large-river-channel-width rivers according to claim 1, wherein the hollow blocks (5) are uniformly distributed between the inner peripheral surface of the first circular ring (61) and the outer peripheral surface of the second circular ring (62), the number of the telescopic rods (33) is the same as that of the hollow blocks (5), and two ends of the telescopic rods (33) are hinged with the hollow blocks (5) and the flywheel connecting discs (32) respectively.
  3. 3. The hydroelectric power plant according to claim 1, wherein the hollow block (5) is in the shape of a conical member or an elliptic conical member with a wide upper part and a narrow lower part.
  4. 4. The hydroelectric power device applicable to large-river-channel-width rivers according to claim 1, wherein the lower driving assembly comprises a first cross beam (10), a second connecting rod (9), a second cross beam (12) and a water flow driving piece, the second connecting rod (9) is connected with the upper driving assembly, the first cross beam (10) is arranged on the upper side of the second cross beam (12) and the extending direction of the first cross beam (10) in space is perpendicular to the extending direction of the second cross beam (12) in space, a sliding rail (11) is arranged on the top surface of the second cross beam (12), the second connecting rod (9) penetrates through the first cross beam (10) up and down, the bottom end of the second connecting rod (9) is connected with the sliding rail (11), a second cross beam bearing is arranged in the middle of the second cross beam (12) in the extending direction perpendicular to the second cross beam (12), a supporting shaft (16) is arranged in a penetrating mode, the second cross beam (12) can move rotationally around the supporting shaft (16), and the water flow driving piece abuts against the second cross beam (12).
  5. 5. The hydroelectric power plant applicable to large-river-channel-width river of claim 4, wherein the two ends of the first cross beam (10) are provided with first cross beam fixing columns (13), the two ends of the supporting shaft (16) are provided with supporting shaft fixing columns (14), and the supporting shaft (16) is fixedly arranged on the supporting shaft fixing columns (14).
  6. 6. The hydroelectric power device applicable to large-river-channel-width rivers according to claim 5, wherein the water flow driving piece comprises a first rotating shaft (18), a cam (19), a first gear (21), a second gear (22), a second rotating shaft (23) and impellers (24), the first rotating shaft (18) is arranged on two sides of the supporting shaft (16), the cam (19) is sleeved on the first rotating shaft (18), the cam (19) is abutted to the bottom surface of the second cross beam (12), the first gear (21) is sleeved at the end part of the first rotating shaft (18), first rotating shaft fixing columns (15) are arranged at two ends of the first rotating shaft (18), second rotating shaft fixing columns (20) are arranged at two ends of the second rotating shaft (23), the second rotating shaft (23) is rotatably arranged on the second rotating shaft fixing columns (20), the second gear (22) is sleeved on the periphery of the second rotating shaft (23), the first gear (21) is abutted to the bottom surface of the second cross beam (12), and the first gear (21) is meshed with the second rotating shaft (24).
  7. 7. The hydroelectric power plant according to claim 6, wherein the outer surface of the cam (19) is provided with a smooth contact layer, and the bottom surface of the contact part between the second cross beam (12) and the cam (19) is provided with a sliding layer, and the smooth contact layer is in contact with the sliding layer.
  8. 8. The hydroelectric power plant according to claim 6, wherein the number of the first rotating shafts (18) is two, the number of the first gears (21) is two, the number of the second gears (22) is one, and the first gears (21) and the second gears (22) are meshed and connected to form an idler wheel.

Description

Hydroelectric power generation power device suitable for large river channel width river Technical Field The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a hydropower generation power device suitable for a river with a large river channel width. Background The flow of rivers and oceans is an inexhaustible power source, and if the river and oceans can be effectively utilized, the development and utilization of new energy can be effectively improved, and the carbon neutralization can be promoted. At present, the main mode of hydroelectric generation in China is that water flow impacts a generator under the action of gravity, so that potential energy of water is converted into kinetic energy applied to the generator, and then the generator converts the kinetic energy into electric energy. However, this method is suitable for rivers or water systems with large head difference, and has limited application range and is limited by terrains. At present, for rivers with small head difference but large river channel width, it is difficult to generate vortex by means of topography difference so as to generate electricity. Because the two sides of the width of the large river channel can generate friction force with the bank, the flow velocity of the water flow in the middle of the river channel with the width of the large river channel is generally larger than that of the two sides of the river channel, and if the characteristics can be reasonably utilized, the flow velocity difference at different positions of the river channel can be utilized to manufacture the hydroelectric power generation. At present, a hydroelectric power generation power device suitable for large-river-channel-width rivers is researched and developed by utilizing the principle. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a hydroelectric power device suitable for a river with a large river channel width, which is manufactured by reasonably utilizing the characteristic of different flow velocity differences in different positions of the river channel, so as to overcome the defects in the prior art that the hydroelectric power device can only be arranged in the topography with the water flow height differences, and improve the application range. In order to achieve the above and other related objects, the invention provides a hydroelectric power device suitable for a river with a large river channel width, which comprises an upper driving component, a lower driving component and a generator, wherein the generator comprises a shell, a flywheel connecting shaft, a flywheel connecting disc and a fixed block, the flywheel connecting shaft penetrates through the flywheel, the flywheel connecting disc is sleeved on the flywheel connecting shaft, one end of the fixed block is fixedly connected with the shell, the other end of the fixed block is fixed on dam slope protection on two sides of a river surface, the lower driving component is arranged in the river, the lower driving component is connected with the upper driving component, and the upper driving component is in transmission connection with the flywheel connecting disc. Preferably, the upper driving assembly comprises a spiral strip, a top connecting block, a bottom connecting block and a power driving piece, wherein the top connecting block is sleeved on the periphery of the spiral strip and can move up and down along the spiral strip, the bottom connecting block is fixed at the bottom end of the spiral strip, the power driving piece is fixedly connected with the top connecting block, the power driving piece is connected with a flywheel connecting disc, and a spring damper is further arranged between the top connecting block and the bottom connecting block. Preferably, the power driving piece comprises a first circular ring, a second circular ring, a plurality of hollow blocks and a plurality of first connecting rods, the circle centers of the first circular ring and the second circular ring are overlapped with the center of the top connecting block, the second circular ring and the first circular ring are sequentially arranged from inside to outside, the first connecting rods are arranged between the top connecting block and the second circular ring, the hollow blocks are arranged between the second circular ring and the first circular ring, and the hollow blocks are connected with the flywheel connecting disc through telescopic rods. Preferably, the plurality of hollow blocks are uniformly distributed between the inner peripheral surface of the first circular ring and the outer peripheral surface of the second circular ring, the number of the telescopic rods is the same as that of the hollow blocks, and two ends of the telescopic rods are hinged with the hollow blocks and the flywheel connecting discs respectively. Preferably, the hollow block is in the sha