Bionic blade and fairing integrated energy-saving propeller structure
By integrating biomimetic blades and a fairing, and utilizing adjustable flow channels and rotating baffles, the problem of high resistance and insufficient anti-interference ability of traditional propellers in water flow is solved, achieving efficient and stable propulsion performance and self-cleaning function.
Patent Information
- Application Number
- CN202511145940.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2025-11-04
AI Technical Summary
Traditional propellers experience significant resistance in water flow, leading to energy loss. Their propulsion efficiency is particularly low under low-speed and high-load conditions, and they are also susceptible to interference or damage from foreign objects in complex water environments.
It adopts an integrated structure of biomimetic blades and guide fairing. Through the design of adjustable flow diversion channels and rotating baffles, it controls the water flow in and out, reduces resistance, and optimizes the water flow direction through the surrounding flow diversion channels and guide fins. Combined with self-cleaning function and guide blocks, it improves propulsion efficiency.
It reduces drag at high speeds, enhances rudder effectiveness at low speeds or when turning, reduces reliance on traditional rudders, has a self-cleaning function to prevent impurities from corroding, improves the stability and efficiency of the propulsion system, and reduces noise and vibration.
Smart Images
Figure CN120886995A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of propeller, in particular to a bionic blade and fairing integrated energy-saving propeller structure. BACKGROUND
[0002] A propeller is a device that converts any form of energy into mechanical energy. It produces thrust by rotating blades or jetting water. It can be used to drive vehicles forward or as a power source for other devices such as generators. A propeller is a propeller. The propeller is installed on the propeller shaft below the waterline of the ship, and the propeller shaft is driven by the main engine to rotate, sucking water from the suction surface of the blade and discharging it from the discharge surface, using the reaction force of the water to push the ship forward. The propeller is divided into fixed pitch propeller and adjustable pitch propeller.
[0003] In modern ship and underwater propulsion systems, although the traditional propeller is mature in technology, there is still room for improvement in energy efficiency and anti-interference ability. With the global emphasis on energy efficiency and environmental protection, developing high-efficiency, energy-saving and environment-adaptive propellers has become an important research direction.
[0004] The resistance of the traditional propeller in the water flow is large, resulting in energy loss, especially in low-speed and high-load conditions, the propelling efficiency is low. Insufficient anti-interference ability: in complex water areas (such as shallow water area, coral reef area or polar ice area), the traditional propeller is easy to be interfered or damaged by foreign matter.
[0005] Therefore, it is necessary to propose a bionic blade and fairing integrated energy-saving propeller structure to solve the above problems. SUMMARY
[0006] The purpose of the present application is to provide a bionic blade and fairing integrated energy-saving propeller structure to solve the problem of large resistance of traditional propeller in water flow, resulting in energy loss, especially in low-speed and high-load conditions, the propelling efficiency is low. Insufficient anti-interference ability, in complex water areas (such as shallow water area, coral reef area or polar ice area), the traditional propeller is easy to be interfered or damaged by foreign matter.
[0007] To achieve the above purpose, the present application provides the following technical scheme: a bionic blade and fairing integrated energy-saving propeller structure, comprising:
[0008] A machine base;
[0009] A protective cover fixed to the outer side of the machine base;
[0010] A rotating head rotatably connected to the end of the machine base extending into the interior of the protective cover;
[0011] The shunt through slot is arranged on the outer side of the protective cover, and a rotating baffle is rotatably connected inside the shunt through slot;
[0012] The outer side of the protective cover is slidably connected with a sliding ring for preventing the rotating baffle from rotating out of the shunt through slot, a scraping ring is fixed inside the sliding ring, the inner side of the scraping ring is attached to the outer side of the protective cover, and a drag-reducing hole is arranged on the scraping ring.
[0013] Preferably, a second hinge seat is fixed on the side of the shunt through slot close to the base, a first hinge seat is fixed on the bottom end of the rotating baffle, and a second electric push rod is arranged between the first hinge seat and the second hinge seat.
[0014] Sealing pads are fixed on both sides of the rotating baffle, and the sealing pads are attached to the inner wall of the shunt through slot.
[0015] Preferably, a plurality of shunt through slots are arranged, and the plurality of shunt through slots are distributed at equal distances around the center of the protective cover.
[0016] A sliding groove is arranged between two shunt through slots, the sliding groove is arranged on the outer side of the protective cover, a sliding block is fixed inside the scraping ring, and the sliding block is slidably connected in the sliding groove.
[0017] Preferably, a first electric push rod is fixed between the sliding block and the inner side of the sliding groove close to the base.
[0018] A plurality of sliding grooves are arranged, and the plurality of sliding grooves are distributed at equal distances around the center of the protective cover.
[0019] Preferably, the two ends of the protective cover are connected with the outside, a tapered end is connected to the end of the protective cover away from the base, and the end of the tapered end away from the protective cover gradually narrows.
[0020] Preferably, a plurality of flow guide fins are arranged on the inner wall of the tapered end, and the plurality of flow guide fins are distributed at equal distances around the center of the tapered end.
[0021] The flow guide fins are arranged in isosceles triangle shape, and the lower base of the isosceles triangle is fixed to the inner wall of the tapered end.
[0022] Preferably, a plurality of blades are fixed to the outer side of the rotating head, a plurality of connecting rods are fixed between the outer side of the base and the inner wall of the protective cover, and the plurality of connecting rods are arranged on the side of the blades close to the base.
[0023] Preferably, a mesh cover is fixed to the end of the protective cover away from the tapered end, the end of the mesh cover away from the tapered end gradually narrows, and the narrowed end is fixed to the outer side of the base.
[0024] Preferably, the base end of the machine seat is fixed with an extension rod, the bottom end of the extension rod is fixed with a guide block, and the extension rod and the bottom end of the protection cover are connected with a support plate.
[0025] Preferably, the blade is fixed with a reinforcing rib along the length direction.
[0026] The technical effects and advantages of the present application are as follows:
[0027] 1. In the actual operation of the present application, in the initial state, the sliding ring is blocked at the top end of the rotating baffle, thereby fixing the rotating baffle and the shunt channel, avoiding the influence of water flow on the rotating baffle, and increasing the stability and structural strength of the device.
[0028] 2. When the first electric push rod pushes the sliding ring to move away from the machine seat, the position of the sliding ring and the rotating baffle is separated, at this time, the second electric push rod is extended, driving one end of the rotating baffle to rotate and extend out of the shunt channel, so that the shunt channel is connected with the outside, and the opening and closing of the rotating baffle can assist in controlling the water flow in and out of the protection cover, which is closed during high-speed sailing to reduce resistance, and partially opened during low-speed or turning to enhance the rudder effect.
[0029] 3. At the same time, the rotating baffles in the shunt channels distributed around can be independently controlled, cooperating with the rotation of the blades to realize asymmetric water flow injection and assist ship turning, reducing the dependence on traditional rudders.
[0030] 4. When the rotating baffle is closed, it can block the entanglement of fishing nets, waterweeds and the like with the propeller, especially suitable for operation in offshore or polluted water areas. At the same time, the centrifugal force generated by the rotation of the blades can cooperate with the shunt channel to throw out the sucked impurities, realizing self-cleaning function. The shunt channel can release local high-pressure bubbles to reduce cavitation noise. The shunt channels around are evenly distributed to reduce the vibration of the propeller.
[0031] 5. In the actual operation of the present application, when the second electric push rod drives the sliding ring to slide outside the protection cover, the scraping ring will rub against the outside of the protection cover, which can clean the outside of the protection cover, reduce the erosion and pollution of impurities to the protection cover, and ensure the smoothness of the outside of the protection cover.
[0032] 6. The support plate is used to increase the connection strength between the machine seat and the protection cover. The guide block is used to guide the direction of water flow and improve the propelling efficiency. At the same time, the guide block can first contact the obstacles, which can protect the bottom end of the machine seat. BRIEF DESCRIPTION OF DRAWINGS
[0033] Figure 1 It is a perspective view of the structure of the bionic blade and the fairing integrated energy-saving propeller of the present application.
[0034] Figure 2This is a schematic diagram of the energy-saving propulsion structure of the integrated biomimetic blade and fairing of the present invention from another perspective.
[0035] Figure 3 This is a schematic diagram of the extension rod and support plate of the present invention.
[0036] Figure 4 For the present invention Figure 1 Enlarged diagram of point A in the middle.
[0037] Figure 5 For the present invention Figure 3 Enlarged diagram of point B in the middle.
[0038] In the diagram: 1. Base; 2. Protective cover; 3. Mesh cover; 4. Conical end; 5. Guide fin; 6. Sliding ring; 7. Sliding groove; 8. First electric push rod; 9. Rotating head; 10. Blade; 11. Connecting rod; 12. Reinforcing rib; 13. Diverting groove; 14. Scraper ring; 15. Drag reduction hole; 16. Rotating baffle; 17. First hinge seat; 18. Second electric push rod; 19. Extension rod; 20. Support plate; 21. Guide block. Detailed Implementation
[0039] This invention provides, for example Figures 1-5 The diagram shows an integrated energy-saving propulsion structure of biomimetic blades and fairing, including a base 1 and a protective cover 2 fixed to the outside of the base 1. The base 1 is the core support component of the entire propulsion, which plays the role of fixing and supporting other components. It is made of high-strength materials to ensure its stability and durability in complex working environments.
[0040] The base 1 extends into the protective cover 2 and is rotatably connected to a rotating head 9 at one end. A drive motor is fixed inside the base 1 and is connected to a rotating shaft via a coupling. One end of the rotating shaft is connected to the rotating head 9. This design allows the drive motor to transmit power to the rotating head 9 through the rotating shaft, thereby driving the blade 10 to rotate.
[0041] Multiple blades 10 are fixedly connected to the outer side of the rotating head 9. Reinforcing ribs 12 are embedded within each blade 10 along its length. Two auxiliary ribs can be added at a 45-degree angle on either side of the reinforcing ribs 12 as needed, forming a leaf-like structure. This significantly improves the strength and rigidity of the blades 10, enabling them to maintain a stable shape during high-speed rotation and reducing the risk of deformation and damage. The biomimetic design can further optimize the flow characteristics of the blades 10 and improve propulsion efficiency.
[0042] Multiple connecting rods 11 are fixedly connected between the outer side of the base 1 and the inner wall of the protective cover 2, and the multiple connecting rods 11 are located on the side of the blade 10 close to the base 1 to strengthen the connection between the base 1 and the protective cover 2 and ensure the structural stability of the entire propeller.
[0043] The shunt through slot 13 is arranged on the outer side of the protective cover 2, and a rotating baffle 16 is rotatably connected inside the shunt through slot 13, and a sliding ring 6 is slidingly connected to the outer side of the protective cover 2 to prevent the rotating baffle 16 from rotating out of the shunt through slot 13.
[0044] The shunt through slot 13 is fixed with a second hinge seat on the side close to the base 1, and the bottom end of the rotating baffle 16 is fixed with a first hinge seat 17, and a second electric push rod 18 is arranged between the first hinge seat 17 and the second hinge seat; the extending end of the second electric push rod 18 is rotatably connected inside the first hinge seat 17, and the fixed end of the second electric push rod 18 is rotatably connected inside the second hinge seat; when the second electric push rod 18 is extended, the rotating baffle 16 can be driven to rotate, thereby opening the shunt through slot 13.
[0045] A sliding groove 7 is arranged between the two shunt through slots 13, and the sliding groove 7 is arranged on the outer side of the protective cover 2; a sliding block is fixed inside the scraping ring 14 and slidingly fitted in the sliding groove 7.
[0046] The first electric push rod 8 is fixed between the sliding block and the sliding groove 7 on the side close to the base 1; when the first electric push rod 8 is extended, the sliding ring 6 can be driven to move away from the base 1; on the contrary, when the first electric push rod 8 is retracted, the sliding ring 6 can be driven to move towards the base 1.
[0047] In the actual operation of the present application, in the initial state, the sliding ring 6 blocks the top end of the rotating baffle 16, thereby fixing the rotating baffle 16 and the shunt through slot 13, avoiding the influence of water flow on the rotating baffle 16, and increasing the stability and structural strength of the device.
[0048] When the first electric push rod 8 drives the sliding ring 6 to move away from the base 1, the sliding ring 6 and the rotating baffle 16 are separated, and at this time the second electric push rod 18 is extended to drive one end of the rotating baffle 16 to rotate out of the shunt through slot 13, so that the shunt through slot 13 is connected with the outside, and the opening and closing of the rotating baffle 16 can assist in controlling the water flow in and out of the protective cover 2; when sailing at high speed, the device is closed to reduce resistance; when sailing at low speed or turning, the device is partially opened to enhance the rudder effect.
[0049] At the same time, the rotating baffles 16 in the shunt through slots 13 distributed around can be independently controlled, and the asymmetric water flow injection can be realized by cooperating with the rotation of the blades 10, thereby assisting the ship to turn and reducing the dependence on the traditional rudder.
[0050] The shunt through slot 13 is arranged with a plurality of shunt through slots 13, and the plurality of shunt through slots 13 are distributed at equal distances around the center of the protective cover 2.
[0051] When the rotating baffle 16 is closed, the fishnet, water grass and the like can be blocked from winding the propeller, which is particularly suitable for offshore or contaminated water operation. At the same time, the centrifugal force generated when the blade 10 rotates can cooperate with the shunt channel 13 to throw out the inhaled sundries, realizing the self-cleaning function. The shunt channel 13 can release local high-pressure bubbles to reduce cavitation noise. The shunt channel 13 uniformly distributes the water flow impact force, reducing the vibration of the propeller.
[0052] The rotating baffle 16 is fixed with a sealing gasket on both sides, which is attached to the inner wall of the shunt channel 13. When the rotating baffle 16 rotates and retracts into the shunt channel 13, it can be in contact with the inner wall of the shunt channel 13 to form a seal and reduce water flow when closed.
[0053] The inside of the sliding ring 6 is fixed with a scraping ring 14, and the inside of the scraping ring 14 is attached to the outside of the protective cover 2. In the actual operation of the present application, when the second electric push rod 8 drives the sliding ring 6 to slide on the outside of the protective cover 2, the scraping ring 14 will rub against the outside of the protective cover 2, which can clean the outside of the protective cover 2 and reduce the erosion and pollution of impurities to the protective cover 2, ensuring the smoothness of the outside of the protective cover 2.
[0054] The scraping ring 14 is provided with a drag-reducing hole 15 penetrating through both ends, through which the water flow can pass, reducing the resistance of the water flow and improving the energy efficiency of the propeller.
[0055] The sliding groove 7 is provided with a plurality of sliding grooves 7, which are distributed equidistantly around the center of the protective cover 2.
[0056] The protective cover 2 is connected to the outside at both ends, and the end of the protective cover 2 away from the machine base 1 is connected to a conical end 4. The end of the conical end 4 away from the protective cover 2 gradually narrows.
[0057] A plurality of flow guide fins 5 are arranged on the inner wall of the conical end 4, which are distributed equidistantly around the center of the conical end 4. The flow guide fins 5 are arranged in isosceles triangle shape, and the lower base of the isosceles triangle is fixed to the inner wall of the conical end 4, further optimizing the direction of water flow, reducing turbulence and improving propelling efficiency.
[0058] The end of the protective cover 2 away from the conical end 4 is fixed with a mesh cover 3, the end of the mesh cover 3 away from the conical end 4 gradually narrows, and the narrowed end is fixed to the outside of the machine base 1.
[0059] The machine base 1 is fixed with an extension rod 19 at the bottom end, the extension rod 19 is fixed with a guide block 21 at the bottom end, and the extension rod 19 and the bottom end of the protective cover 2 are connected with a support plate 20, which is used to increase the connection strength between the machine base 1 and the protective cover 2. The guide block 21 is used to guide the direction of water flow, improving the propelling efficiency. At the same time, the guide block 21 can first contact the obstacle, which can protect the bottom end of the machine base 1.
Claims
1. A biomimetic blade and fairing integrated energy-saving propulsion structure, characterized in that: include: Base (1); A protective cover (2) is fixed to the outside of the base (1); Rotating head (9), which is rotatably connected to one end of the base (1) that extends into the protective cover (2); The flow channel (13) is located outside the protective cover (2), and a rotating baffle (16) is rotatably connected inside the flow channel (13). The outer side of the protective cover (2) is slidably fitted with a sliding ring (6) that blocks the rotating baffle (16) from rotating out of the diversion groove (13). A scraper ring (14) is fixed inside the sliding ring (6). The inner side of the scraper ring (14) is in contact with the outer side of the protective cover (2). The scraper ring (14) has a drag-reducing hole (15) that passes through both ends.
2. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: The diversion channel (13) is fixed with a second hinge seat on the side near the machine base (1), and the bottom end of the rotating baffle (16) is fixed with a first hinge seat (17). A second electric push rod (18) is provided between the first hinge seat (17) and the second hinge seat. Both sides of the rotating baffle (16) are fixed with sealing gaskets, which are attached to the inner wall of the diversion channel (13).
3. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: Multiple flow channels (13) are provided, and the multiple flow channels (13) are distributed at equal distances around the center of the protective cover (2); A sliding groove (7) is provided between the two flow channels (13). The sliding groove (7) is opened on the outside of the protective cover (2). A sliding block is fixed on the inside of the scraper ring (14). The sliding block is slidably engaged in the sliding groove (7).
4. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 3, characterized in that: A first electric push rod (8) is fixed between the sliding block and the sliding groove (7) on the side near the base (1); The sliding groove (7) is provided in multiple ways, and the multiple sliding grooves (7) are distributed at equal distances around the center of the protective cover (2).
5. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: The protective cover (2) is connected to the outside at both ends. The end of the protective cover (2) away from the base (1) is connected to a conical end (4). The end of the conical end (4) away from the protective cover (2) gradually narrows.
6. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: Multiple guide fins (5) are provided on the inner wall of the conical end (4), and the multiple guide fins (5) are distributed at equal distances around the center of the conical end (4); The guide fin (5) is set as an isosceles triangle, and the lower base of the isosceles triangle and the inner wall of the conical end (4) are fixed.
7. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: Multiple blades (10) are fixedly connected to the outside of the rotating head (9), and multiple connecting rods (11) are fixedly connected between the outside of the base (1) and the inner wall of the protective cover (2), and the multiple connecting rods (11) are located on the side of the blade (10) close to the base (1).
8. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: A mesh cover (3) is fixed to one end of the protective cover (2) away from the conical end (4). The mesh cover (3) gradually narrows at the end away from the conical end (4), and the narrowed end is fixed to the outside of the base (1).
9. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: An extension rod (19) is fixed to the bottom end of the base (1), and a guide block (21) is fixed to the bottom end of the extension rod (19). A support plate (20) is connected between the extension rod (19) and the bottom end of the protective cover (2).
10. The biomimetic blade and fairing integrated energy-saving propulsion structure according to claim 1, characterized in that: The blade (10) is embedded with a reinforcing rib (12) along its length.