One-way multi-wheel curved surface hydraulic turbine

Abstract

The application discloses a one-way multi-wheel curved surface pressure water turbine, which comprises a pressure water turbine body, wherein the pressure water turbine body comprises a pressure water tank, a plurality of fixed water tank discs and a plurality of curved surface rotating wheels; the bottom of the pressure water tank is provided with a vertical main shaft rod; and the plurality of fixed water tank discs and the plurality of curved surface rotating wheels are sequentially arranged on the vertical main shaft rod from top to bottom. When the one-way multi-wheel curved surface pressure water turbine is used, the pressure water turbine body is installed in a river channel with low fall, the curved surface rotating wheels are driven to rotate by water flow, under the continuous rotating action of the curved surface rotating wheels, the river water entering the pressure water tank compresses the air in the pressure water tank, high-pressure air in the pressure water tank pushes the river water in the pressure water tank to be transported to a remote place or a high place through a pipeline. The one-way multi-wheel curved surface pressure water turbine can utilize the water energy of low-fall water flow, and the water flow of different water layers can drive the corresponding curved surface rotating wheels to rotate, so that the working efficiency of the one-way multi-wheel curved surface pressure water turbine is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of water turbine technology, and more specifically, to a unidirectional multi-wheel curved surface water turbine. Background Technology

[0002] my country boasts abundant water resources, with major rivers flowing throughout the country. Water conservancy development and construction have progressed rapidly, and hydropower generation has seen remarkable advancements. However, current hydropower generation primarily utilizes high-drop hydropower technology. This involves raising the water level of major rivers using dams, then using the high drop in water pressure to drive axial-flow or mixed-flow turbines, which in turn power generators. The advantage of high-drop hydropower is the significant energy extracted from the high water level, allowing for the generation of large generators. Although reservoirs require substantial investment, their long-term potential for power generation is highly desirable. However, the drawbacks include the long construction period, significant difficulties, and substantial investment required for dam construction, which also has a considerable impact on the geographical, natural, and human living environments, even affecting tectonic plates. Meanwhile, the low-drop flow of major rivers contains enormous water energy, but historically, the energy it generates has been largely wasted. The energy generated by the low-drop flow of major rivers is a priceless, enormous, pollution-free, and inexhaustible energy source that nature has bestowed upon humankind.

[0003] Furthermore, when it is necessary to transport water from large rivers to distant or high places, water pumps are often used for pumping. This process requires a large amount of electrical energy from the pumps, and it is impossible to utilize the water energy generated by the low-drop flow of the large rivers. Therefore, it is necessary to propose a unidirectional multi-wheel curved surface water turbine to at least partially solve the problems existing in the current technology. Summary of the Invention

[0004] The summary section introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. The summary section of this invention is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0005] To at least partially solve the above problems, the present invention provides a unidirectional multi-wheel curved surface water turbine, comprising: a water turbine body, the water turbine body including a water pressure chamber, multiple fixed water tank plates, and multiple curved rotating wheels, a vertical main shaft is provided at the bottom of the water pressure chamber, the multiple fixed water tank plates are arranged sequentially from top to bottom on the vertical main shaft, the multiple curved rotating wheels are rotatably arranged sequentially from top to bottom on the vertical main shaft, and the curved rotating wheels are rotatably connected to two adjacent fixed water tank plates, the uppermost fixed water tank plate is connected to the water pressure chamber, and the two adjacent fixed water tank plates are connected to each other.

[0006] According to an embodiment of the present invention, the fixed water tank includes a circumferential water storage tank, multiple upper piston water pumps, and multiple lower piston water pumps. The circumferential water storage tank is sleeved on a vertical main shaft, and two adjacent circumferential water storage tanks are interconnected. The multiple upper and lower piston water pumps are staggered and evenly distributed on the circumferential water storage tank. The upper and lower piston water pumps are connected to the circumferential water storage tank, and the upper and lower piston water pumps in two adjacent circumferential water storage tanks correspond to each other. The curved rotating wheel is movably connected to the adjacent upper and lower piston water pumps respectively.

[0007] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine includes an upper piston water press, which comprises an upper vertical piston cylinder and an upper vertical piston rod. The upper vertical piston cylinder passes through and communicates with the circumferential water storage tank. An upper suction check valve is provided at the upper end, and an upper pressure check valve is provided on the inner wall. The upper vertical piston rod is movably disposed in the upper vertical piston cylinder, and the lower end of the upper vertical piston rod is movably connected to the curved rotating wheel.

[0008] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine includes a lower piston water press, which comprises a lower vertical piston cylinder and a lower vertical piston rod. The lower vertical piston cylinder passes through and communicates with the circumferential water storage tank. A lower suction check valve is provided at the lower end, and a lower pressure check valve is provided on the inner wall. The lower vertical piston rod is movably disposed in the lower vertical piston cylinder, and the lower end of the lower vertical piston rod is movably connected to the curved surface rotating wheel.

[0009] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine includes a rotating guide wheel and a circumferential curved surface disk. The rotating guide wheel includes a rotating bushing and a plurality of guide vanes. The rotating bushing is rotatably mounted on a vertical main shaft. The plurality of guide vanes are evenly distributed on the rotating bushing. The circumferential curved surface disk is disposed on the outer ends of the plurality of guide vanes. A plurality of drive wheel sets are disposed on the circumferential curved surface disk. The drive wheel sets are connected to an upper piston water turbine above and a lower piston water turbine below.

[0010] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine includes a drive wheel assembly comprising a drive rod, an upper wheel body, and a lower wheel body. The upper end of the drive rod is connected to the upper vertical piston rod in the upper piston water pump, and the lower end of the drive rod is connected to the lower vertical piston rod. A notch is provided on the side of the drive rod facing the circumferential curved surface disk. The upper wheel body and the lower wheel body are disposed in the notch and are respectively located on the upper and lower sides of the circumferential curved surface disk. The upper wheel body and the lower wheel body are rotatably connected to the circumferential curved surface disk. A circumferential curved surface retaining ring is provided on the outer circumferential surface of the circumferential curved surface disk, and the circumferential curved surface retaining ring is located inside the upper wheel body and the lower wheel body.

[0011] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine includes a plurality of convex curved plates and a plurality of concave curved plates. The plurality of convex curved plates and concave curved plates are alternately arranged on the outer end of the guide vane, and the convex curved plates and concave curved plates are smoothly connected.

[0012] According to an embodiment of the present invention, the upper and lower circumferential water storage tanks are connected by a plurality of first water guide pipes, and the uppermost circumferential water storage tank is connected to the pressure tank by a plurality of second water guide pipes.

[0013] According to an embodiment of the present invention, the unidirectional multi-wheel curved surface water turbine has an air inlet and outlet valve at the top of the water pressure chamber, a water pressure connector on the side wall, and a pressure switch valve on the water pressure connector.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects:

[0015] This invention provides a unidirectional multi-wheel curved surface water turbine, comprising: a water turbine body, which includes a water pressure chamber, multiple fixed water tank plates, and multiple curved rotating wheels. A vertical main shaft is installed at the bottom of the water pressure chamber. The multiple fixed water tank plates and multiple curved rotating wheels are arranged sequentially from top to bottom on the vertical main shaft. The fixed water tank plates are fixedly installed on the vertical main shaft, while the curved rotating wheels are rotatably installed on the vertical main shaft, and the curved rotating wheels are rotatably connected to two adjacent fixed water tank plates. Therefore, when using this unidirectional multi-wheel curved surface water turbine, the water turbine body is installed in a river channel with a low drop. The curved rotating wheels are driven to rotate by the water flow. Under the continuous rotation of the curved rotating wheels, the fixed water tank plates draw in river water on one hand and transport the river water to the water pressure chamber at the top on the other hand. The river water entering the water pressure chamber compresses the air inside the water pressure chamber, thereby generating high-pressure air in the water pressure chamber to propel the river water in the water pressure chamber through pipelines to distant or higher locations. The design of the above structure enables the unidirectional multi-wheel curved surface water turbine to utilize the water energy of low-drop flow water without consuming electrical energy. Since there are multiple curved rotating wheels, water flow at different water layers can drive the corresponding curved rotating wheels to rotate, which can greatly improve the working efficiency of the unidirectional multi-wheel curved surface water turbine.

[0016] The unidirectional multi-wheel curved surface hydraulic turbine of the present invention, other advantages, objectives and features of the present invention will be apparent in part from the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a partial internal structure diagram of the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of the fixed water tank plate in this invention.

[0021] Figure 4 This is a schematic diagram of the internal structure of the fixed water tank plate in this invention.

[0022] Figure 5 This is a partial structural diagram of the upper piston water press and the lower piston water press in this invention.

[0023] Figure 6 This is a schematic diagram of the curved rotating wheel in this invention.

[0024] Figure 7 This is a top view of the curved rotating wheel in this invention.

[0025] Figure 8 This is a schematic diagram of the circumferential curved disk part of the present invention. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0027] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0028] like Figures 1-8 As shown, the present invention provides a unidirectional multi-wheel curved surface water turbine, comprising: a water turbine body 100, the water turbine body 100 including a water pressure chamber 1, a plurality of fixed water tank plates 2, and a plurality of curved rotating wheels 3, wherein a vertical main shaft 10 is installed at the bottom of the water pressure chamber 1, and the plurality of fixed water tank plates 2 and the plurality of curved rotating wheels 3 are arranged sequentially from top to bottom on the vertical main shaft 10, and the vertical main shaft 10 provides an installation position for the fixed water tank plates 2 and the curved rotating wheels 3;

[0029] Furthermore, the fixed water tank plate 2 is fixedly installed on the vertical main shaft 10, while the curved rotating wheel 3 is rotatably installed on the vertical main shaft 10, and the curved rotating wheel 3 is rotatably connected to the two adjacent fixed water tank plates 2. The uppermost fixed water tank plate 2 is connected to the pressure chamber 1, and the two adjacent fixed water tank plates 2 are connected to each other.

[0030] Therefore, when using this unidirectional multi-wheel curved surface water turbine, the turbine body 100 is installed in a river channel with a low head (at least 2%). Water flow drives the curved rotating wheel 3 to rotate. Under the continuous rotation of the curved rotating wheel 3, the fixed water tank 2 draws in river water and simultaneously transports it to the top sump 1. The river water entering the sump 1 compresses the air inside, generating high-pressure air (up to 1 MPa) that propels the river water through a pipe (not shown) to a distant or higher location. This structural design allows the unidirectional multi-wheel curved surface water turbine to utilize the water energy of low-head flow without consuming electrical energy. Furthermore, since multiple curved rotating wheels 3 are designed, water flow at different water layers can drive the corresponding curved rotating wheel 3 to rotate, greatly improving the working efficiency of the unidirectional multi-wheel curved surface water turbine. Furthermore, those skilled in the art can also use this unidirectional multi-wheel curved surface water turbine to drive a generator to generate electricity, greatly reducing the cost of building a dam. The specific principles will not be elaborated here.

[0031] Furthermore, an air inlet / outlet valve 11 is installed on the top of the pressure chamber 1. Air can be added to or released into the pressure chamber 1 through the air inlet / outlet valve 11 to regulate the water volume in the pressure chamber 1. A pressure connector 12 is installed on the side wall of the pressure chamber 1. A pipe can be connected through the pressure connector 12. A pressure switch valve is installed on the pressure connector 12. The opening pressure value of the pressure switch valve can be set. In this way, after the air in the pressure chamber 1 is compressed, only when the pressure of the compressed air reaches the set opening pressure value, the river water entering the pressure chamber 1 is forced into the pressure connector 12 and transported to a distant or high place through the pipe under the action of the compressed air.

[0032] Exemplary fixed water tank tray

[0033] Furthermore, some embodiments of the present invention provide a specific structure for the fixed water tank plate 2. The fixed water tank plate 2 includes a circumferential water storage tank 21, multiple upper piston water pumps 22, and multiple lower piston water pumps 23. The circumferential water storage tank 21 is fixedly sleeved on the vertical main shaft 10 through a fixed bushing 210. At the same time, two adjacent circumferential water storage tanks 21 are interconnected. Therefore, after the lowermost circumferential water storage tank 21 draws in river water, the river water can enter the pressure tank 1 through the multiple circumferential water storage tanks 21 above.

[0034] The two adjacent circumferential water storage tanks 21 are connected by multiple first water guide pipes 211, while the uppermost circumferential water storage tank 21 is connected to the pressure tank 1 by multiple second water guide pipes 212. The first water guide pipes 211 and the second water guide pipes 212 realize the transportation of river water.

[0035] In order to realize the water suction and water pressure function of the circumferential water storage tank 21, multiple upper piston water pressure devices 22 and lower piston water pressure devices 23 are evenly arranged on the circumferential water storage tank 21. At the same time, the upper piston water pressure devices 22 and lower piston water pressure devices 23 are staggered and connected to the circumferential water storage tank 21.

[0036] Furthermore, in the two adjacent circumferential water storage tanks 21, the upper piston pump 22 and the lower piston pump 23 correspond to each other. Therefore, under the driving action of the water flow, the curved rotating wheel 3 rotates, thereby driving the adjacent upper piston pump 22 and lower piston pump 23 to operate. For example, the curved rotating wheel 3 drives the upper piston pump 22 to suck in river water, and simultaneously drives the lower piston pump 23 to pump out river water, forcing the river water into the circumferential water storage tank 21. Then, the lower piston water pump 23 is driven to suck in river water, and the upper piston water pump 22 is driven to pump out river water, which is then pumped into the circumferential water storage tank 21. This water suction and pumping action is repeated to continuously transport river water to the pumping tank 1, and then transport it to a distant or high place through the pumping tank 1. The fixed water tank plate 2 of the above structure realizes the water suction and pumping action of river water, so that the unidirectional multi-wheel curved surface water turbine can utilize the water energy of low-drop flowing water, and does not require the consumption of electrical energy.

[0037] Exemplary upper piston water pump

[0038] Furthermore, the aforementioned upper piston water press 22 includes an upper vertical piston cylinder 221 and an upper vertical piston rod 222. Here, the upper vertical piston cylinder 221 is inserted into the circumferential water storage tank 21 and is connected to the circumferential water storage tank 21. An upper suction check valve 223 is installed at the upper end of the upper vertical piston cylinder 221, and an upper pressure check valve 224 is installed on the inner wall. The upper vertical piston rod 222 is movably installed in the upper vertical piston cylinder 221. Since the lower end of the upper vertical piston rod 222 is movably connected to the curved rotating wheel 3, when the curved rotating wheel 3 rotates, the curved rotating wheel 3 can drive the upper vertical piston rod 222 to move up and down in the upper vertical piston cylinder 221 to achieve the water suction and pressure action.

[0039] For example, when the upper vertical piston rod 222 moves downward in the upper vertical piston cylinder 221, under the action of negative pressure, the upper suction check valve 223 changes from a closed state to an open state, and draws river water into the upper vertical piston cylinder 221. At this time, the upper pressure check valve 224 is in a closed state, and the river water is temporarily stored in the upper vertical piston cylinder 221.

[0040] Then, when the upper vertical piston rod 222 moves upward in the upper vertical piston cylinder 221, the upper suction check valve 223 changes from open to closed, while the upper pressure check valve 224 changes from closed to open. Therefore, the upper vertical piston rod 222 pressurizes the river water in the upper vertical piston cylinder 221 into the circumferential water storage tank 21 through the upper pressure check valve 224. The upper piston water press 22 realizes the water suction and water press action, which improves the utilization efficiency of water energy of the unidirectional multi-wheel curved surface water turbine.

[0041] Exemplary lower piston water pump

[0042] Furthermore, the aforementioned lower piston water press 23 includes a lower vertical piston cylinder 231 and a lower vertical piston rod 232. Here, the lower vertical piston cylinder 231 is inserted into the circumferential water storage tank 21 and is connected to the circumferential water storage tank 21. A lower suction check valve 233 is installed at the lower end of the lower vertical piston cylinder 231, and a lower pressure check valve 234 is installed on the inner wall. The lower vertical piston rod 232 is movably installed in the lower vertical piston cylinder 231. Since the lower end of the lower vertical piston rod 232 is directly and movably connected to the curved rotating wheel 3, when the curved rotating wheel 3 rotates, the curved rotating wheel 3 can drive the lower vertical piston rod 232 to move up and down in the lower vertical piston cylinder 231 to achieve the water suction and pressure action.

[0043] For example, when the lower vertical piston rod 232 moves upward in the lower vertical piston cylinder 231, under the action of negative pressure, the lower suction check valve 233 changes from a closed state to an open state, and draws river water into the lower vertical piston cylinder 231. At this time, the lower pressure check valve 234 is in a closed state, and the river water is temporarily stored in the lower vertical piston cylinder 231.

[0044] Then, when the lower vertical piston rod 222 moves downward in the lower vertical piston cylinder 221, the lower suction check valve 233 changes from open to closed, while the lower pressure check valve 234 changes from closed to open. Therefore, the lower vertical piston rod 232 pressurizes the river water in the lower vertical piston cylinder 231 into the circumferential water storage tank 21 through the lower pressure check valve 234. The suction and pressure action is achieved through the lower piston water press 23, which improves the utilization efficiency of water energy by the unidirectional multi-wheel curved surface water turbine.

[0045] Exemplary curved rotating wheel

[0046] Furthermore, some embodiments of the present invention provide a specific structure for the curved rotating wheel 3. The curved rotating wheel 3 includes a rotating water guide wheel 31 and a circumferential curved disk 32. The rotating water guide wheel 31 includes a rotating bushing 311 and a plurality of guide vanes 312. Here, the rotating bushing 311 is rotatably mounted on the vertical main shaft 10, and a plurality of guide vanes 312 are mounted on the rotating bushing 311. Here, the guide vanes 312 are arranged perpendicular to the rotating bushing 311. In order to allow the guide vanes 312 to come into more contact with the water flow, the guide vanes 312 can be designed to be curved, such as S-shaped guide vanes, so that the rotating bushing 311 can be better driven to rotate under the action of the water flow.

[0047] Furthermore, the circumferential curved disk 32 is installed on the outer ends of multiple guide vanes 312. The thickness of the circumferential curved disk 32 is much smaller than the width of the guide vanes 312, so that the circumferential curved disk 32 does not affect the impact of the water flow on the guide vanes 312. Therefore, while the guide vanes 312 drive the rotating bushing 311 to rotate, the circumferential curved disk 32 also rotates. In turn, the circumferential curved disk 32 drives multiple drive wheel sets 33 to operate. Since the drive wheel sets 33 are connected to the upper piston water pump 22 above… The circumferential curved disk 32 is connected to the lower piston water pressure device 23. When the disk rotates, it drives the upper piston water pressure device 22 and the lower piston water pressure device 23 to move up and down reciprocally through the drive wheel set 33. This allows the upper piston water pressure device 22 to perform water suction while the lower piston water pressure device 23 performs water pressure; and vice versa. This achieves the efficient utilization of water energy by the unidirectional multi-wheel curved surface water turbine.

[0048] Exemplary drive wheel set

[0049] Furthermore, some embodiments of the present invention provide a specific structure of the drive wheel assembly 33, which includes a drive rod 331, an upper wheel body 332, and a lower wheel body 333. The upper end of the drive rod 331 is connected to the upper vertical piston rod 222 in the upper piston water pump 22, and the lower end of the drive rod 331 is connected to the lower vertical piston rod 232. The upper and lower vertical piston rods 222 and 232 are connected by the drive rod 331 to achieve synchronous up and down movement.

[0050] Furthermore, a notch 334 is provided on the side of the drive rod 331 facing the circumferential curved disk 32, and an upper wheel body 332 and a lower wheel body 333 are installed in the notch 334, and are located on the upper and lower sides of the circumferential curved disk 32 respectively. At the same time, the upper wheel body 332 and the lower wheel body 333 are rotatably connected to the circumferential curved disk 32. Furthermore, a circumferential curved retaining ring 320 is installed on the outer circumferential surface of the circumferential curved disk 32, and the circumferential curved retaining ring 320 is located inside the upper wheel body 332 and the lower wheel body 333.

[0051] Therefore, when the circumferential curved disk 32 rotates, it drives the upper wheel 332 and the lower wheel 333 to rotate. The upper wheel 332 and the lower wheel 333 reduce the friction between the circumferential curved disk 32 and the drive rod 331. So, under the action of the circumferential curved disk 32, the drive rod 331 moves up and down reciprocally, and at the same time, it drives the upper piston water pump 22 and the lower piston water pump 23 to move up and down reciprocally to achieve the water suction and water pressure function.

[0052] Furthermore, in order to enable the drive rod 331 to reciprocate up and down under the action of the circumferential curved disk 32, the circumferential curved disk 32 includes multiple convex curved plates 321 and multiple concave curved plates 322. The multiple convex curved plates 321 and concave curved plates 322 are alternately installed on the outer end of the guide vane 312, and the convex curved plates 321 and concave curved plates 322 are smoothly connected. Therefore, as the circumferential curved disk 32 rotates, the convex curved plates 321 and concave curved plates 322 continuously move in the notch 334 of the drive rod 331, thereby continuously driving the drive rod 331 to reciprocate up and down, so as to realize the above-mentioned reciprocating up and down movement of the upper piston water pump 22 and the lower piston water pump 23.

[0053] The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present invention shall be considered equivalent substitutions and shall be included within the protection scope of the present invention.

Claims

1. A unidirectional multi-wheel curved surface hydraulic turbine, characterized in that, include: The water turbine body (100) includes a water pressure chamber (1), multiple fixed water tank plates (2), and multiple curved rotating wheels (3). The bottom of the water pressure chamber (1) is provided with a vertical main shaft (10). Multiple fixed water tank plates (2) are arranged sequentially from top to bottom on the vertical main shaft (10). Multiple curved rotating wheels (3) are arranged sequentially from top to bottom on the vertical main shaft (10). The curved rotating wheels (3) are rotatably connected to two adjacent fixed water tank plates (2). The uppermost fixed water tank plate (2) is connected to the water pressure chamber (1). The two adjacent fixed water tank plates (2) are connected to each other. The fixed water tank plate (2) includes a circumferential water storage tank (21), multiple upper piston water pumps (22), and multiple lower piston water pumps (23). The circumferential water storage tank (21) is sleeved on the vertical main shaft (10). The two adjacent circumferential water storage tanks (21) are interconnected. The multiple upper piston water pumps (22) and lower piston water pumps (23) are evenly distributed on the circumferential water storage tank (21) in an alternating manner. The upper piston water pumps (22) and lower piston water pumps (23) are connected to the circumferential water storage tank (21). The upper piston water pumps (22) and lower piston water pumps (23) in the two adjacent circumferential water storage tanks (21) correspond to each other. The curved rotating wheel (3) is movably connected to the upper piston water pumps (22) and lower piston water pumps (23) that are adjacent to each other. The upper piston water pressure device (22) includes an upper vertical piston cylinder (221) and an upper vertical piston rod (222). The upper vertical piston cylinder (221) is inserted into the circumferential water storage tank (21) and communicates with the circumferential water storage tank (21). An upper suction check valve (223) is provided at the upper end, and an upper pressure check valve (224) is provided on the inner wall. The upper vertical piston rod (222) is movably arranged in the upper vertical piston cylinder (221), and the lower end of the upper vertical piston rod (222) is movably connected to the curved rotating wheel (3).

2. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 1, characterized in that, The lower piston water pump (23) includes a lower vertical piston cylinder (231) and a lower vertical piston rod (232). The lower vertical piston cylinder (231) is inserted into the circumferential water storage tank (21) and communicates with the circumferential water storage tank (21). A lower suction check valve (233) is provided at the lower end, and a lower pressure check valve (234) is provided on the inner wall. The lower vertical piston rod (232) is movably arranged in the lower vertical piston cylinder (231), and the lower end of the lower vertical piston rod (232) is movably connected to the curved rotating wheel (3).

3. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 1, characterized in that, The curved rotating wheel (3) includes a rotating water guide wheel (31) and a circumferential curved disk (32). The rotating water guide wheel (31) includes a rotating bushing (311) and multiple guide vanes (312). The rotating bushing (311) is rotatably mounted on the vertical main shaft (10). The multiple guide vanes (312) are evenly distributed on the rotating bushing (311). The circumferential curved disk (32) is mounted on the outer ends of the multiple guide vanes (312). The circumferential curved disk (32) is provided with multiple drive wheel sets (33). The drive wheel sets (33) are connected to the upper piston water pump (22) above and the lower piston water pump (23) below.

4. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 3, characterized in that, The drive wheel assembly (33) includes a drive rod (331), an upper wheel body (332), and a lower wheel body (333). The upper end of the drive rod (331) is connected to the upper vertical piston rod (222) in the upper piston water pump (22), and the lower end of the drive rod (331) is connected to the lower vertical piston rod (232). The drive rod (331) has a notch groove on the side facing the circumferential curved disk (32). The upper wheel body (332) and the lower wheel body (333) are located in the notch groove and are respectively located on the upper and lower sides of the circumferential curved disk (32). The upper wheel body (332) and the lower wheel body (333) are rotatably connected to the circumferential curved disk (32). A circumferential curved retaining ring (320) is provided on the outer circumferential surface of the circumferential curved disk (32). The circumferential curved retaining ring (320) is located inside the upper wheel body (332) and the lower wheel body (333).

5. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 4, characterized in that, The circumferential curved disk (32) includes multiple convex curved plates (321) and multiple concave curved plates (322). The multiple convex curved plates (321) and concave curved plates (322) are staggered on the outer end of the guide plate (312), and the convex curved plates (321) and concave curved plates (322) are smoothly connected.

6. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 1, characterized in that, The two adjacent circumferential water storage tanks (21) are connected by a plurality of first water guide pipes (211), and the uppermost circumferential water storage tank (21) is connected to the pressure tank (1) by a plurality of second water guide pipes (212).

7. A unidirectional multi-wheel curved surface hydraulic turbine according to claim 1 or 6, characterized in that, The pressure chamber (1) is provided with an air inlet and outlet valve (11) at the top and a pressure connector (12) on the side wall, and a pressure switch valve is provided on the pressure connector (12).

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