A typhoon-resistant wind-wave combined power generation structure system

Abstract

The invention belongs to the field of wind energy and ocean energy utilization, and discloses a typhoon-resistant wind-wave combined power generation structure system, comprising a semi-submersible base for suspension on the sea surface; the semi-submersible base comprises three buoys evenly distributed in a ring shape, the upper ends of two adjacent buoys are fixedly connected by a horizontally placed first connecting assembly, the lower ends of two adjacent buoys are fixedly connected by a horizontally placed second connecting assembly, and a horizontally placed third connecting assembly is fixed to the middle section of the buoy peripheral wall; two oscillating float type wave energy power generation devices are arranged on the first connecting assembly; the application realizes improving the utilization rate of wind energy resources and wave resources, and at the same time, the stability of the semi-submersible base can be improved by arranging three buoys in an equilateral triangle on the sea surface; when the wind speed of the typhoon exceeds the specified wind speed, the distance between any two adjacent buoys can be synchronously increased to increase the bottom area of ​​the semi-submersible base, thereby improving the stability of the semi-submersible base under high wind speed conditions.

Description

Technical Field

[0001] The invention belongs to the field of wind energy and ocean energy utilization, and specifically relates to a typhoon-resistant wind-wave combined power generation structural system. Background Art

[0002] The development and utilization of renewable energy has gradually become the focus of people's attention. It has become a general consensus to gradually replace traditional fossil fuels with renewable energy. At present, the development of renewable energy represented by wind energy, hydropower, solar energy, geothermal energy, etc. is mostly concentrated on land. Due to factors such as reserves and space, the development is close to saturation. The development of renewable energy has gradually shifted from land to ocean. Marine renewable energy such as marine wind energy, wave energy, solar energy, and temperature difference energy has become the main development direction.

[0003] Since the storage capacity of offshore wind energy and wave energy is very huge and the resource distribution also shows a close correlation, with the introduction of the concept of "offshore wind power +", the joint development of wind energy and wave energy has become a hot topic; but since wind-wave power generation devices are usually suspended on the sea surface, their bottoms cannot be fixed on the ground like on land. Wind-wave power generation devices suspended on the sea surface are prone to shaking or even tipping over with wind and waves, especially in severe weather such as strong winds or typhoons. The increase in wind speed will aggravate the shaking of the wind-wave power generation devices, and the increase in wind speed will aggravate this shaking, affecting the stability and power generation efficiency of the device; therefore, when the wind-wave power generation devices in the prior art are suspended on the sea surface, there is a problem of insufficient stability, especially in severe weather conditions. Summary of the invention

[0004] In view of the deficiencies of the prior art, the purpose of the present invention is to provide a typhoon-resistant wind-wave combined power generation structural system, which solves the problem of insufficient stability of the prior art wind-wave power generation device when it is suspended on the sea surface, especially in severe weather conditions.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A typhoon-resistant wind-wave combined power generation structure system, comprising a semi-submersible base for suspension on the sea surface;

[0007] The semi-submersible base includes three buoys evenly distributed in a ring shape, the upper ends of two adjacent buoys are fixedly connected by a horizontally placed first connecting assembly, the lower ends of two adjacent buoys are fixedly connected by a horizontally placed second connecting assembly, and a horizontally placed third connecting assembly is fixed at the middle section of the circumferential wall of the buoy;

[0008] Two oscillating float wave energy power generation devices are arranged on the first connection assembly, and the oscillating float wave energy power generation devices are used to generate electric energy by floating up and down on the semi-submersible base;

[0009] A wind power generation mechanism is arranged on the semi-submersible base, and the wind power generation mechanism is located at the center of the three buoys, and one end of the third connecting assembly away from the buoy is fixed to the wind power generation mechanism;

[0010] The first connecting component, the second connecting component and the third connecting component can all automatically adjust the length along their own axis directions;

[0011] The first connection components all include a horizontally placed electric slide rail, with two ends of the electric slide rail facing two buoys corresponding to the first connection component respectively, and a pair of symmetrically placed sliders are slidably connected to the electric slide rail, and the electric slide rail is used to drive the two sliders to move closer to or away from each other;

[0012] The two oscillating buoy wave energy power generation devices on the first connecting assembly are respectively fixed to the lower ends of the two sliders through support columns;

[0013] The first connecting assembly also includes a first electric push rod coaxially arranged with respect to the electric slide rail, the two first electric push rods are respectively fixed at two ends of the electric slide rail, and the other ends of the first electric push rods are fixed to the corresponding side buoys;

[0014] The second connecting component is a second electric push rod, and both ends of the second electric push rod are respectively fixed to two adjacent buoys;

[0015] The third connecting assembly is a third electric push rod, one end of which is fixed to the corresponding buoy, and the other end of which extends to the center of the three buoys and is fixed to the wind power generation mechanism;

[0016] The wind power generation mechanism comprises a tower, three buoys are evenly distributed in a ring around the central axis of the tower, one end of the third connection assembly away from the buoy is fixed to the tower, a power conversion cabin is fixed on the upper end of the tower, a rotatably connected hub is arranged on the power conversion cabin, the central axis of the hub is horizontally placed, three blades are evenly distributed in a ring around the central axis of the hub are fixed on the peripheral wall of the hub, and the power conversion cabin is used to convert mechanical energy generated by the rotation of the blades into electrical energy;

[0017] The blades each include a lower blade portion and an upper blade portion, the lower blade portion is in the shape of a hollow shell, the lower blade portion is open at the end away from the hub, the upper blade portion is slidably engaged in the lower blade portion, the upper blade portion can extend from the open end of the lower blade portion, a pulling mechanism is provided at one end of the inner side of the lower blade portion close to the hub, the pulling mechanism is connected to the upper blade portion, and the pulling mechanism is used to pull the upper blade portion to retract into the lower blade portion;

[0018] The pulling mechanism includes a rotating motor fixedly installed in the lower blade housing, a winding wheel is fixed to the output end of the rotating motor, a cable is connected to the winding wheel, and the other end of the cable is fixed to the upper blade;

[0019] A pair of symmetrically placed limiters are fixed in the lower blade housing, the limiters are located at the end of the pulling mechanism away from the wheel hub, the limiters all include a metal bin, the central axis of the metal bin is vertically placed with the central axis of the upper blade, the end of the metal bin close to the upper blade is open, the metal bin is slidably connected with a coaxially placed bayonet, the end of the bayonet close to the upper blade is hemispherical, a spring is fixed in the metal bin, the other end of the spring is fixed to the end of the bayonet away from the upper blade;

[0020] A pair of hemispherical limiting holes are provided on the side wall of one end of the upper blade close to the hub. The limiting holes correspond to the bayonet pins one by one, and the limiting holes are adapted to the corresponding bayonet pins. The hemispherical end of the bayonet pin can extend into the limiting hole.

[0021] The inner wall of the lower blade is fixed with a plurality of annular reinforcing ribs along its axial direction. The inner wall of the lower blade is also fixed with a plurality of longitudinal ribs coaxially arranged with the upper blade. The upper blade is slidably connected in the cavity between the longitudinal ribs.

[0022] Beneficial effects of the present invention:

[0023] 1. Generate electricity from wind energy resources through wind power generation mechanism, improve the use of wave resources to generate electricity from oscillating float wave energy generation device, and improve the utilization rate of wind energy resources and wave resources in typhoon environment;

[0024] In the present application, the stability of the semi-submersible foundation can be improved by arranging three buoys in an equilateral triangle on the sea surface;

[0025] At the same time, when the wind speed of the typhoon exceeds the specified wind speed, the first connecting component, the second connecting component and the third connecting component can be controlled to extend at the same time, so that the distance between any two adjacent buoys is synchronously increased to increase the bottom area of ​​the semi-submersible base, thereby improving the stability of the semi-submersible base under high wind speed conditions;

[0026] 2. The present invention can be configured by the coordination of the rotating motor, the winding wheel and the cable, so that when the external wind speed is high, it is convenient to pull the upper blade to retract into the lower blade, and at the same time, the stability of the entire structural system can be further improved by increasing the bottom area of ​​the semi-submersible base;

[0027] 3. After the upper blade of the blade of the present invention is retracted, the lower blade is locked with the upper blade by a stopper, and the tensioning action of the cable is coordinated to further improve the stability of the connection between the upper blade and the lower blade;

[0028] The metal bin, the bayonet and the spring are arranged in the limiter, and the limit hole in the upper blade is matched. When the upper blade needs to be extended, it is only necessary to control the rotating motor to drive the winding wheel to release the cable to relax it. The upper blade can be thrown out under the centrifugal force generated when the blade rotates. At the same time, when the upper blade extends at a faster speed, the pulling mechanism can be turned on to apply a certain pulling force to the upper blade to ensure that the upper blade can be stably extended to avoid excessive collision between the upper blade and the opening end of the lower blade due to excessive extension.

[0029] 4. By setting reinforcing ribs and longitudinal ribs, the strength of the lower blade is improved, and the guidance of the upper blade during sliding is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the overall structure of the present invention from different viewing angles;

[0033] Figure 3 It is a partial structural schematic diagram of the electric slide rail of the present invention;

[0034] Figure 4 It is a schematic diagram of the cross-sectional structure of a blade of the present invention;

[0035] Figure 5 It is a partial structural schematic diagram of the limiting hole of the present invention;

[0036] Figure 6 It is a partial structural schematic diagram of the longitudinal rib of the present invention;

[0037] Figure 7 This is a partial structural diagram of the metal warehouse of the present invention.

[0038] Figure 8 It is a partial structural schematic diagram of the spring of the present invention. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] like Figures 1 to 8 As shown, a typhoon-resistant wind-wave combined power generation structure system includes a semi-submersible base 1 for suspension on the sea surface;

[0041] The semi-submersible base 1 comprises three buoys 11 evenly distributed in a ring shape, the upper ends of two adjacent buoys 11 are fixedly connected by a horizontally placed first connecting assembly 12, the lower ends of two adjacent buoys 11 are fixedly connected by a horizontally placed second connecting assembly 13, and a horizontally placed third connecting assembly 14 is fixed at the middle section of the peripheral wall of each buoy 11;

[0042] Two oscillating buoy wave energy power generation devices 2 are arranged on the first connection assembly 12, and the oscillating buoy wave energy power generation devices 2 are used to generate electric energy by floating up and down on the semi-submersible base 1;

[0043] A wind power generation mechanism 3 is provided on the semi-submersible base 1. The wind power generation mechanism 3 is located at the center of the three buoys 11. The ends of the third connecting components 14 away from the buoys 11 are fixed to the wind power generation mechanism 3.

[0044] The first connecting component 12, the second connecting component 13 and the third connecting component 14 can all automatically adjust the length along their own axis directions;

[0045] The wind power generation mechanism 3 utilizes wind energy resources to generate electricity, thereby improving the ability of the oscillating float wave energy generation device 2 to generate electricity from wave resources, and providing utilization rates of wind energy resources and wave resources in a typhoon environment; and in the present application, the three buoys 11 are arranged in an equilateral triangle on the sea surface, the three first connecting components 12 are respectively located on the three sides of the equilateral triangle, and the wind power generation mechanism 3 is located at the center of the three buoys 11, which can improve the stability of the semi-submersible base 1;

[0046] At the same time, when the wind speed of the typhoon exceeds the specified wind speed, the first connecting component 12, the second connecting component 13 and the third connecting component 14 can be controlled to extend at the same time, so that the distance between any two adjacent buoys 11 is synchronously increased to increase the bottom area of ​​the semi-submersible base 1, thereby improving the stability of the semi-submersible base 1 under high wind speed conditions.

[0047] Preferably, the semi-submersible base 1 is also provided with a flexible mooring system for positioning it, as well as an offshore booster station for boosting the generated electric energy and a transmission cable for transmitting the boosted electric energy. The oscillating buoy wave energy power generation device 2 and the wind power generation mechanism 3 share the same set of offshore booster station and transmission cables.

[0048] The first connection components 12 each include a horizontally placed electric slide rail 121, with two ends of the electric slide rail 121 facing the two buoys 11 corresponding to the first connection component 12, and a pair of symmetrically placed sliders 122 are slidably connected to the electric slide rail 121, and the electric slide rail 121 is used to drive the two sliders 122 to move closer to or away from each other;

[0049] The two oscillating buoy wave energy power generation devices 2 on the first connecting assembly 12 are respectively fixed to the lower ends of the two sliders 122 through support columns;

[0050] The two sliders 122 are driven to move closer to or away from each other by the electric slide rail 121, and the slider 122 drives the oscillating float type wave energy power generation device 2 through the support column to adjust its position to achieve the purpose of optimizing the float arrangement, so that the float can fully capture the wave energy, improve the energy absorption effect of the float on the wave and the power generation efficiency.

[0051] The first connecting assembly 12 further includes a first electric push rod 123 coaxially arranged with respect to the electric slide rail 121. The two first electric push rods 123 are respectively fixed at two ends of the electric slide rail 121, and the other ends of the first electric push rods 123 are fixed to the corresponding side buoy 11.

[0052] The second connecting assembly 13 is a second electric push rod, and both ends of the second electric push rod are respectively fixed to two adjacent buoys 11;

[0053] The third connecting assembly 14 is a third electric push rod, one end of which is fixed to the corresponding buoy 11, and the other end of which extends to the center of the three buoys 11 and is fixed to the wind power generation mechanism 3;

[0054] By adjusting the telescopic movement of the first electric push rod 123 , the second electric push rod and the third electric push rod, the distance between two adjacent buoys 11 can be adjusted simultaneously, so as to automatically adjust the bottom area of ​​the semi-submersible base 1 .

[0055] The wind power generation mechanism 3 includes a tower 31, three buoys 11 are evenly distributed in a ring shape around the central axis of the tower 31, one end of the third connecting assembly 14 away from the buoy 11 is fixed to the tower 31, a power conversion cabin 32 is fixed to the upper end of the tower 31, a hub 33 rotatably connected is arranged on the power conversion cabin 32, the central axis of the hub 33 is horizontally placed, and three blades 34 are evenly distributed in a ring shape around the central axis of the hub 33 are fixed on the peripheral wall of the hub 33, and the power conversion cabin 32 is used to convert the mechanical energy generated by the rotation of the blades 34 into electrical energy;

[0056] The blades 34 are driven to rotate by the wind at sea, and the mechanical energy generated by the rotation of the blades 34 is converted into electrical energy through the power conversion cabin 32. The power conversion cabin 32 is connected to the offshore booster station.

[0057] The blades 34 each include a lower blade portion 341 and an upper blade portion 342. The lower blade portion 341 is in the shape of a hollow shell. The lower blade portion 341 is open at the end away from the hub 33. The upper blade portion 342 is slidably engaged in the lower blade portion 341. The upper blade portion 342 can extend from the open end of the lower blade portion 341. A pulling mechanism is provided at one end of the inner side of the lower blade portion 341 close to the hub 33. The pulling mechanism is connected to the upper blade portion 342 and is used to pull the upper blade portion 342 back into the lower blade portion 341.

[0058] When the external wind speed is too high, the pulling mechanism is turned on to pull the upper blade 342 back into the lower blade 341 to prevent the wind from being too strong and causing damage to the wind power generation mechanism 3; and when the wind speed is less than the specified value, the pulling mechanism is released to pull the upper blade 342, and the lower blade 341 rotates under the action of the wind, and at the same time, under the action of the centrifugal force, the upper blade 342 is swung away from the hub 33, so that the upper blade 342 is automatically extended under the action of the centrifugal force;

[0059] At the same time, when the upper leaf portion 342 extends at a faster speed, the pulling mechanism can be turned on to apply a certain pulling force to the upper leaf portion 342 to ensure that the upper leaf portion 342 can be stably extended to avoid excessive collision with the open end of the lower leaf portion 341 due to excessive extension.

[0060] The pulling mechanism includes a rotating motor 343 fixedly installed in the shell of the lower blade portion 341, and a winding wheel 344 is fixed to the output end of the rotating motor 343. A cable 345 is connected to the winding wheel 344, and the other end of the cable 345 is fixed to the upper blade portion 342; by turning on the rotating motor 343 to drive the winding wheel 344, the winding wheel 344 drives the cable 345 to wind up or release, thereby facilitating the pulling and releasing of the upper blade portion 342.

[0061] A pair of symmetrically placed limiters 4 are fixed in the shell of the lower blade 341. The limiters 4 are located at the end of the pulling mechanism away from the wheel hub 33. The limiters 4 include a metal bin 41. The central axis of the metal bin 41 is vertically placed with the central axis of the upper blade 342. The end of the metal bin 41 close to the upper blade 342 is open. A coaxially placed bayonet 42 is slidably connected in the metal bin 41. The end of the bayonet 42 close to the upper blade 342 is hemispherical. A spring 43 is fixed in the metal bin 41. The other end of the spring 43 is fixed to the end of the bayonet 42 away from the upper blade 342.

[0062] A pair of hemispherical limiting holes are provided on the side wall of one end of the upper blade 342 close to the hub 33. The limiting holes correspond to the bayonet pins 42 one by one, and the limiting holes are adapted to the corresponding bayonet pins 42. The hemispherical ends of the bayonet pins 42 can extend into the limiting holes.

[0063] When the pulling mechanism pulls the upper leaf portion 342 to retract into the lower leaf portion 341, the upper leaf portion 342 will first come into contact with the hemispherical surface of the bayonet 42 when close to the hub 33, and as the upper leaf portion 342 moves, it pushes the lower pin compression spring 43; when the limiting hole and the corresponding bayonet 42 completely overlap, the spring 43 pushes the bayonet 42 to extend into the limiting hole and closes the pulling mechanism at the same time. At this time, the limiting cooperation of the pulling mechanism and the limiter 4 ensures that the lower leaf portion 341 and the upper leaf portion 342 are locked.

[0064] Subsequently, as long as the cable 345 is released to loosen, when the blade 34 rotates, the upper blade portion 342 is thrown out under the action of centrifugal force, and at the same time, the latch 42 is pushed and the spring 43 is compressed, so that the limiter 4 can release the fixed limit on it.

[0065] In order to improve the strength of the lower leaf portion 341, a plurality of annular reinforcing ribs 3411 are fixed to the inner wall of the lower leaf portion 341 along its axial direction, and a plurality of longitudinal ribs 3412 coaxially placed with the upper leaf portion 342 are also fixed to the inner wall of the lower leaf portion 341, and the upper leaf portion 342 is slidably connected in the cavity between the longitudinal ribs 3412, thereby achieving the purpose of improving the strength of the lower leaf portion 341 and improving the guiding property of the upper leaf portion 342 during the sliding process.

[0066] Preferably, a wind and wave monitoring system may also be provided on the semi-submersible base 1, which can monitor in real time the wind speed, wave intensity, wave incident angle, etc. of the environment in which the device is located, and then provide a decision basis for the extension and retraction of the middle and upper blade portions 342, the adjustment of the spacing between the buoys 11, and the position adjustment of the two oscillating float type wave energy power generation devices 2 on the first connecting component 12, so as to achieve structural adaptability.

[0067] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0068] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A typhoon-resistant wind-wave combined power generation structure system, comprising a semi-submersible base (1) for suspension on the sea surface, characterized in that: The semi-submersible base (1) comprises three buoys (11) evenly distributed in a ring shape, the upper ends of two adjacent buoys (11) are fixedly connected via a horizontally placed first connection assembly (12), the lower ends of two adjacent buoys (11) are fixedly connected via a horizontally placed second connection assembly (13), and a horizontally placed third connection assembly (14) is fixedly provided at the middle section of the peripheral wall of each buoy (11); Two oscillating float type wave energy power generation devices (2) are arranged on each of the first connection components (12), and the oscillating float type wave energy power generation devices (2) are used to generate electric energy by floating up and down using the semi-submersible base (1); A wind power generation mechanism (3) is arranged on the semi-submersible base (1), the wind power generation mechanism (3) is located at the center of the three buoys (11), and the ends of the third connection components (14) away from the buoys (11) are fixed to the wind power generation mechanism (3); The first connecting component (12), the second connecting component (13) and the third connecting component (14) can all automatically adjust their lengths along their own axis directions; The first connection components (12) each include a horizontally placed electric slide rail (121), with two ends of the electric slide rail (121) facing two buoys (11) corresponding to the first connection components (12), a pair of symmetrically placed sliders (122) being slidably connected to the electric slide rail (121), and the electric slide rail (121) being used to drive the two sliders (122) to move closer to or farther from each other; The two oscillating buoy-type wave energy power generation devices (2) on the first connection assembly (12) are respectively fixed to the lower ends of the two sliding blocks (122) via support columns; The wind power generation mechanism (3) comprises a tower (31), three buoys (11) are evenly distributed in a ring shape around the central axis of the tower (31), one end of the third connection assembly (14) away from the buoy (11) is fixed to the tower (31), a power conversion cabin (32) is fixed to the upper end of the tower (31), a hub (33) rotatably connected is arranged on the power conversion cabin (32), the central axis of the hub (33) is placed horizontally, three blades (34) are evenly distributed in a ring shape around the central axis of the hub (33), and the power conversion cabin (32) is used to convert mechanical energy generated by the rotation of the blades (34) into electrical energy; The blades (34) each comprise a lower blade portion (341) and an upper blade portion (342); the lower blade portion (341) is in the shape of a shell with a hollow interior; the end of the lower blade portion (341) away from the wheel hub (33) is in the shape of an opening; the upper blade portion (342) is slidably engaged in the lower blade portion (341); the upper blade portion (342) can extend from the opening end of the lower blade portion (341); a pulling mechanism is provided at one end of the inner side of the lower blade portion (341) close to the wheel hub (33); the pulling mechanism is connected to the upper blade portion (342); and the pulling mechanism is used to pull the upper blade portion (342) to retract back into the lower blade portion (341); The pulling mechanism comprises a rotating motor (343) fixedly mounted in a housing of the lower blade portion (341); a winding wheel (344) is fixedly mounted on the output end of the rotating motor (343); a pulling cable (345) is connected to the winding wheel (344); and the other end of the pulling cable (345) is fixed to the upper blade portion (342).

2. The typhoon-resistant wind-wave combined power generation structure system according to claim 1 is characterized in that: The first connection assembly (12) further comprises a pair of first electric push rods (123) coaxially arranged with the electric slide rail (121), the two first electric push rods (123) being respectively fixed at two ends of the electric slide rail (121), and the other ends of the first electric push rods (123) being fixed to corresponding side buoys (11); The second connecting assembly (13) is a second electric push rod, and two ends of the second electric push rod are respectively fixed to two adjacent buoys (11); The third connection assembly (14) is a third electric push rod, one end of which is fixed to the corresponding buoy (11), and the other end of which extends toward the center of the three buoys (11) and is fixed to the wind power generation mechanism (3).

3. The typhoon-resistant wind-wave combined power generation structure system according to claim 2 is characterized in that: A pair of symmetrically placed stoppers (4) are fixed in the shell of the lower blade (341), the stoppers (4) are located at the end of the pulling mechanism away from the wheel hub (33), the stoppers (4) all include a metal bin (41), the central axis of the metal bin (41) is vertically placed with the central axis of the upper blade (342), the end of the metal bin (41) close to the upper blade (342) is open, the metal bin (41) is slidably connected with a coaxially placed stopper (42), the end of the stopper (42) close to the upper blade (342) is hemispherical, a spring (43) is fixed in the metal bin (41), the other end of the spring (43) is fixed to the end of the stopper (42) away from the upper blade (342); A pair of hemispherical limiting holes are formed on a side wall of one end of the upper blade portion (342) close to the hub (33). The limiting holes correspond to the bayonet pins (42) one by one, and the limiting holes are adapted to the corresponding bayonet pins (42). The hemispherical ends of the bayonet pins (42) can extend into the limiting holes.

4. The typhoon-resistant wind-wave combined power generation structure system according to claim 3 is characterized in that: A plurality of annular reinforcing ribs (3411) are fixed to the inner wall of the lower leaf portion (341) along its axial direction. A plurality of longitudinal ribs (3412) coaxially arranged with the upper leaf portion (342) are also fixed to the inner wall of the lower leaf portion (341). The upper leaf portion (342) is slidably connected in the cavity between the longitudinal ribs (3412).

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