A wind and wave combined power generation machine at sea

Abstract

The present invention discloses an offshore wind and wave combined power generation machine, and relates to the technical field of offshore combined power generation. The present invention provides an offshore wind and wave combined power generation machine, comprising a mounting frame, a column fixedly connected to the top of the mounting frame, a mounting shell fixedly connected to the top of the column, a blade shaft rotatably connected to the mounting shell, a vertical rod fixedly connected inside the mounting frame, a sea wave generator slidably connected to the vertical rod, and a deceleration slider slidably connected to the vertical rod. When the wind acts on the blade shaft, the blade shaft rotates to generate electricity, and when the waves act on the sea wave generator, the sea wave generator will slide up and down with the waves to generate electricity. When encountering extreme sea conditions, the wave fluctuation amplitude increases, causing the sea wave generator to squeeze the deceleration slider to slide up and down. The deceleration slider can slow down the upward amplitude of the sea wave generator, avoiding equipment damage caused by overload operation of the sea wave generator or affecting the power generation efficiency and power generation stability.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore combined power generation, and in particular to an offshore wind and wave combined power generation machine. Background Art

[0002] As the world's reliance on renewable energy increases and land resources become increasingly depleted, people's attention has gradually shifted from land to sea. Wind energy and wave energy, as two important forms of marine energy, have attracted widespread attention for their combined power generation technology, which has the advantages of improving energy utilization and reducing the occupation of marine resources. However, in actual applications, combined power generation machines may face extreme sea conditions and wind speed conditions, causing the combined power generation machines to overload, thereby damaging the equipment or affecting the power generation efficiency and stability.

[0003] In order to solve the above problems, we propose an offshore wind and wave combined power generation machine. By setting up an overload protection structure, it can ensure that under extreme sea conditions or wind speed conditions, the combined power generation machine can automatically adjust its working state to avoid overload operation. Summary of the invention

[0004] In order to overcome the shortcomings of existing combined power generation machines that are prone to overload operation and cause equipment damage under extreme sea conditions, the present invention provides an offshore wind and wave combined power generation machine that can avoid equipment damage caused by overload operation or affect power generation efficiency and power generation stability.

[0005] The technical solution of the present invention is: an offshore wind and wave combined power generation machine, including a mounting frame, a column fixedly connected to the top of the mounting frame, a mounting shell fixedly connected to the top of the column, a blade shaft rotatably connected to the mounting shell, a vertical rod fixedly connected inside the mounting frame, a sea wave generator slidably connected to the vertical rod, and also includes a deceleration slider, the deceleration slider is slidably connected to the vertical rod, a fixed plate is fixedly connected to the vertical rod, a first spring is connected between the fixed plate and the deceleration slider, a longitudinally symmetrical rack is fixedly connected to the fixed plate, a longitudinally symmetrical generator is fixedly connected in the deceleration slider, a gear is fixedly connected to the rotating shaft of the generator, the gear is meshed with an adjacent rack, a protective mechanism is provided on the column and the blade shaft, and the protective mechanism is used to slow down the rotation speed of the blade shaft.

[0006] As a preferred technical solution of the present invention, the column is a hollow structure.

[0007] As a preferred technical solution of the present invention, the protection mechanism includes a deceleration block, which is fixedly connected to the blade shaft, a sliding rod is slidably connected in the column, a connecting frame is fixedly connected to the bottom end of the sliding rod, the connecting frame is connected to the deceleration slider, a rotating rod is rotatably connected to the top end of the sliding rod, a laterally symmetrical deceleration wheel is fixedly connected to the rotating rod, and a deceleration component for slowing down the rotation speed of the rotating rod is provided on the sliding rod.

[0008] As a preferred technical solution of the present invention, the deceleration assembly includes a sliding rod, which is slidably connected to the top of the sliding rod, a second spring is connected between the sliding rod, and a deceleration column is fixedly connected to one end of the sliding rod close to the sliding rod.

[0009] As a preferred technical solution of the present invention, grooves equidistantly distributed in the circumferential direction are formed on the rotating rod, and the deceleration column is inserted into adjacent grooves.

[0010] As a preferred technical solution of the present invention, it also includes a dividing mechanism for dividing the waves, the dividing mechanism is arranged on the mounting frame, the dividing mechanism includes a first fixed frame, the first fixed frame is fixedly connected to the top of the mounting frame, the four sides of the first fixed frame are rotatably connected with symmetrically arranged first rotating plates, the bottom end of the mounting frame is fixedly connected with a second fixed frame, the first rotating plate is slidably connected with a sliding plate, the four sides of the mounting frame are fixedly connected with symmetrically arranged driving motors, the output shaft of the driving motor is fixedly connected with a second rotating plate, the second rotating plate is movably connected to the adjacent first rotating plate, and the bottom end of the deceleration slider is fixedly connected with a button, and the button is electrically connected to the driving motor.

[0011] As a preferred technical solution of the present invention, strip grooves are formed on four sides of the second fixing frame, and the bottom end of the sliding plate is slidably connected to the second fixing frame through the strip grooves.

[0012] As a preferred technical solution of the present invention, it also includes an intercepting mechanism for intercepting waves, the intercepting mechanism is arranged on the first rotating plate and the sliding plate, the intercepting mechanism includes a first connecting plate, the first connecting plate is rotatably connected to the first rotating plate, the sliding plate is rotatably connected to the second connecting plate, the second connecting plate is rotatably connected to the adjacent first connecting plate, the second connecting plate is fixedly connected to the second connecting plate, the intercepting plate is rotatably connected to equidistant rotating blocks, the intercepting plate is slidably connected to a pushing plate, the pushing plate is provided with equidistant connecting rods, the pushing plate is slidably connected to the rotating block through the connecting rods, a third spring is connected between the pushing plate and the adjacent intercepting plate, and an extrusion block is fixedly connected to the bottom end of the first connecting plate.

[0013] As a preferred technical solution of the present invention, the intercepting plate is provided with through holes which are evenly distributed, and the rotating blocks are located in the through holes.

[0014] As a preferred technical solution of the present invention, the side of the extrusion block close to the push plate is inclined, and the extrusion block is extrusion-matched with the adjacent push plate.

[0015] The present invention has the following advantages: 1. When wind acts on the blade shaft, the blade shaft starts to rotate to generate electricity, and when waves act on the sea wave generator, the sea wave generator will slide up and down on the vertical rod following the waves to generate electricity. When encountering extreme sea conditions, the wave fluctuation amplitude increases, causing the sea wave generator to squeeze the deceleration slider to slide up and down. The deceleration slider can slow down the upward amplitude of the sea wave generator, avoiding equipment damage caused by overload operation of the sea wave generator or affecting the power generation efficiency and power generation stability. When the deceleration slider slides up and down, the built-in power generation structure will generate electricity again, thereby reducing the fluctuation amplitude of the sea wave generator and using power to generate electricity again.

[0016] 2. When the deceleration slider slides up and down to decelerate the sea wave generator, the deceleration wheel will also contact the deceleration block upward to slow down the rotation speed of the blade shaft. The deceleration block can be decelerated again through the cooperation of the deceleration column and the groove. The multi-stage gradual deceleration can reduce the wear of the deceleration wheel and the deceleration block, and at the same time, the blade shaft can be decelerated stably to avoid damage caused by excessive inertia.

[0017] 3. The first rotating plates rotate towards each other, driving the sliding plates to slide towards each other and then intercepted vertically on the mounting frame. When the waves hit, the first rotating plates and the sliding plates can divide the waves and reduce the impact of the waves on the sea wave generator.

[0018] 4. After the rotating block is rotated and opened, the interception plate and the rotating block cooperate to further intercept the waves and reduce the impact force of the waves. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an offshore wind and wave combined power generation machine provided in an embodiment of the present invention.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the components such as the mounting frame, blade shaft and sea wave generator of the present invention.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the deceleration slider, the fixing plate, the generator and other components of the present invention.

[0022] Figure 4 It is a three-dimensional structural schematic diagram of components such as the blade shaft, the speed reduction block and the sliding rod of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the speed reduction block, rotating rod, speed reduction wheel and other components of the present invention.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the sliding rod, deceleration column, sliding rod and other components of the present invention.

[0025] Figure 7 For the present invention Figure 4 Schematic diagram of the enlarged three-dimensional structure of part A.

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the first rotating plate, the second rotating plate and other components of the present invention.

[0027] Fig. 9 It is a schematic diagram of the three-dimensional structure of the first connecting plate, the second connecting plate and other components of the present invention.

[0028] Fig.10 It is a schematic diagram of the three-dimensional structure of the extrusion block, interception plate, push plate and other components of the present invention.

[0029] Fig.11 It is a schematic diagram of the three-dimensional structure of the intercepting plate, the rotating block, the pushing plate and the third spring of the present invention.

[0030] Fig.12 It is a schematic diagram of the three-dimensional structure of the rotating block and the pushing plate of the present invention.

[0031] Markings in the figure are: 1-mounting frame, 101-column, 2-mounting shell, 3-blade shaft, 4-vertical rod, 5-sea wave generator, 6-deceleration slider, 7-fixed plate, 8-first spring, 9-rack, 10-gear, 11-generator, 12-deceleration block, 13-sliding rod, 131-connecting frame, 14-rotating rod, 15-deceleration wheel, 16-sliding rod, 17-second spring, 18-deceleration column, 19-first fixed frame, 20-first rotating plate, 21-second fixed frame, 22-sliding plate, 23-driving motor, 24-second rotating plate, 25-button, 26-first connecting plate, 27-second connecting plate, 28-intercepting plate, 29-rotating block, 30-pushing plate, 31-third spring, 32-extrusion block. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope and application scope of the present invention are not limited.

[0033] Embodiment 1: An offshore wind and wave combined power generation machine, such as Figure 1-Figure 7As shown, it includes a mounting frame 1, a column 101, a mounting shell 2, a blade shaft 3, a vertical rod 4, a sea wave generator 5, a deceleration slider 6, a fixing plate 7, a first spring 8, a rack 9, a gear 10, a generator 11, and a protection mechanism. The mounting frame 1 is fixedly connected to the column 101 on the upper side, and the column 101 is a hollow structure. The mounting shell 2 is fixedly connected to the upper side of the column 101, and the blade shaft 3 is rotatably connected to the mounting shell 2. The mounting frame 1 is fixedly connected to the vertical rod 4, and the sea wave generator is slidably connected to the vertical rod 4. Electrical appliance 5, a deceleration slider 6 is slidably connected to the upper part of the vertical rod 4, a fixed plate 7 is fixedly connected to the upper part of the vertical rod 4, a first spring 8 is connected between the fixed plate 7 and the deceleration slider 6, a front-to-back symmetrical rack 9 is fixedly connected to the fixed plate 7, a front-to-back symmetrical generator 11 is fixedly connected inside the deceleration slider 6, a gear 10 is fixedly connected to the rotating shaft of the generator 11, the gear 10 is meshed with the adjacent rack 9, a protective mechanism is provided on the column 101 and the blade shaft 3, and the protective mechanism is used to slow down the rotation speed of the blade shaft 3.

[0034] When using the device, the mounting frame 1 is connected to a block on the seabed, and the sea wave generator 5 floats on the sea surface. When wind acts on the blade shaft 3, the blade shaft 3 starts to rotate to generate electricity, and when waves act on the sea wave generator 5, the sea wave generator 5 will slide up and down on the vertical rod 4 following the ups and downs of the waves to generate electricity. During normal power generation, the up and down sliding amplitude of the sea wave generator 5 does not exceed the deceleration slider 6. When encountering extreme sea conditions, the ups and downs amplitude of the waves increases, and the up and down sliding distance of the sea wave generator 5 will also increase. When the sea wave generator 5 slides upward until it contacts the deceleration slider 6, the up and down sliding of the sea wave generator 5 will push the deceleration slider 6 to slide up and down. Under the action of the first spring 8, the deceleration slider 6 The speed-reducing slider 6 can slow down the upward amplitude of the sea wave generator 5 to prevent the sea wave generator 5 from overloading. When the speed-reducing slider 6 is pushed by the sea wave generator 5 to slide up and down, the rack 9 will also move up and down. The up and down movement of the rack 9 drives the gear 10 to rotate, thereby driving the generator 11 to generate electricity again, thereby slowing down the fluctuation amplitude of the sea wave generator 5 and using the power to generate electricity again. When the speed-reducing slider 6 slides up and down to slow down the sea wave generator 5, it will also control the protection mechanism to slow down the rotation speed of the blade shaft 3. In this way, the operating speed of the power generation structure can be slowed down under extreme sea conditions to avoid equipment damage caused by overload operation or affect the power generation efficiency and power generation stability.

[0035] like Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the protection mechanism includes a deceleration block 12, a sliding rod 13, a connecting frame 131, a rotating rod 14, a deceleration wheel 15 and a deceleration assembly. The deceleration block 12 is fixedly connected to the blade shaft 3, the sliding rod 13 is slidably connected in the column 101, the bottom end of the sliding rod 13 is fixedly connected to the connecting frame 131, the connecting frame 131 is connected to the deceleration slider 6, the top end of the sliding rod 13 is rotatably connected to the rotating rod 14, the left and right parts of the rotating rod 14 are fixedly connected to the deceleration wheel 15, and the sliding rod 13 is provided with a deceleration assembly for slowing down the rotation speed of the rotating rod 14.

[0036] like Figure 6 As shown, the deceleration assembly includes a sliding rod 16, a second spring 17 and a deceleration column 18. The sliding rod 16 is slidably connected to the upper part of the sliding rod 13, and the second spring 17 is connected between the sliding rod 16 and the sliding rod 13. The deceleration column 18 is fixedly connected to the rear end of the sliding rod 16. The middle part of the rotating rod 14 is provided with grooves equidistantly distributed in the circumferential direction, and the deceleration column 18 is inserted into the adjacent grooves.

[0037] When the device is used, the deceleration slider 6 slides upward and also drives the sliding rod 13 to move upward through the connecting frame 131. The sliding rod 13 moves upward and drives the deceleration wheel 15 to move upward through the rotating rod 14. After the deceleration wheel 15 moves upward, it contacts the deceleration block 12. At this time, the blade shaft 3 rotates to drive the deceleration block 12 to rotate, and the deceleration block 12 also drives the deceleration wheel 15 to rotate when rotating. The blade shaft 3 is initially decelerated by the deceleration wheel 15, and the rotation of the deceleration wheel 15 also drives the rotating rod 14 to rotate. When the rotating rod 14 rotates, it will continuously squeeze the deceleration column 18 to slide forward, so that the deceleration column 18 is separated from the groove, and under the action of the second spring 17, the sliding rod 16 will drive the deceleration column 18 to be stuck in the next groove, and the rotation of the rotating rod 14 is decelerated again through the cooperation of the deceleration column 18 and the groove, so that the deceleration wheel 15 decelerates the deceleration block 12 again. The wear of the deceleration wheel 15 and the deceleration block 12 can be reduced through multi-stage gradual deceleration, and at the same time, the blade shaft 3 can be stably decelerated to avoid damage caused by excessive inertia.

[0038] Embodiment 2: Based on embodiment 1, Figure 1 and Figure 8As shown, it also includes a dividing mechanism for dividing the waves, the dividing mechanism includes a first fixed frame 19, a first rotating plate 20, a second fixed frame 21, a sliding plate 22, a driving motor 23, a second rotating plate 24 and a button 25. The first fixed frame 19 is fixedly connected to the upper part of the mounting frame 1, and the first fixed frame 19 is rotatably connected to two symmetrically arranged first rotating plates 20 on the front, back, left and right sides. The second fixed frame 21 is fixedly connected to the lower part of the mounting frame 1. The sliding plate 22 is slidably connected to the lower part of the first rotating plate 20. The second fixed frame 21 is provided with strip grooves on the front, back, left and right sides. The lower end of the sliding plate 22 is slidably connected to the second fixed frame 21 through the strip groove. The driving motor 23 is fixedly connected to the output shaft of the driving motor 23 with a second rotating plate 24, and the second rotating plate 24 is movably connected to the adjacent first rotating plate 20. The button 25 is fixedly connected to the lower side of the deceleration slider 6, and the button 25 is electrically connected to the driving motor 23.

[0039] When the device is used, when the sea wave generator 5 slides upward to contact the button 25, the button controls the driving motor 23 to operate through the controller, and the output shaft of the driving motor 23 rotates to drive the second rotating plate 24 to rotate upward. The second rotating plate 24 rotates upward to push the symmetrically arranged first rotating plate 20 to rotate toward each other, and the first rotating plate 20 rotates toward each other to drive the sliding plate 22 to slide toward each other. At this time, the first rotating plate 20 and the sliding plate 22 can be vertically intercepted on the mounting frame 1. When the waves hit, the first rotating plate 20 and the sliding plate 22 can divide the waves and reduce the impact of the waves on the sea wave generator 5. When the sea wave generator 5 no longer presses the button 25, the driving motor 23 controls the second rotating plate 24 to rotate downward after a certain period of time. The second rotating plate 24 rotates downward to drive the symmetrically arranged first rotating plate 20 to rotate backward, and the first rotating plate 20 rotates backward to drive the sliding plate 22 to slide backward. At this time, the first rotating plate 20 and the sliding plate 22 are located at the corners of the mounting frame 1, so that the sea wave generator 5 can better follow the ups and downs of the waves to generate electricity.

[0040] like Figure 1 , Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, it also includes an interception mechanism for intercepting waves, the interception mechanism includes a first connecting plate 26, a second connecting plate 27, an interception plate 28, a rotating block 29, a pushing plate 30, a third spring 31 and an extrusion block 32, the first rotating plate 20 is rotatably connected to the first connecting plate 26 in the middle, the sliding plate 22 is rotatably connected to the second connecting plate 27 in the middle, the second connecting plate 27 is rotatably connected to the adjacent first connecting plate 26, the second connecting plate 27 is fixedly connected to the interception plate 28, and the interception plate 28 is provided with seven equidistantly distributed through holes, The intercepting plate 28 is rotatably connected with seven equidistantly distributed rotating blocks 29, and the rotating blocks 29 are located in the through holes. The intercepting plate 28 is slidably connected with a pushing plate 30, and seven equidistantly distributed connecting rods are provided on the pushing plate 30. The pushing plate 30 is slidably connected with the rotating blocks 29 through the connecting rods. A third spring 31 is connected between the pushing plate 30 and the adjacent intercepting plate 28. The lower part of the first connecting plate 26 is fixedly connected with an extrusion block 32, and the side of the extrusion block 32 close to the pushing plate 30 is inclined, and the extrusion block 32 is extruded and matched with the adjacent pushing plate 30.

[0041] When the first rotating plate 20 drives the sliding plate 22 to slide towards each other, the sliding plate 22 will also slide upward on the first rotating plate 20, and the first connecting plate 26 and the second connecting plate 27 will also rotate and bend close to each other. At this time, the extrusion block 32 will squeeze the pushing plate 30, and the pushing plate 30 will slide in the direction close to the intercepting plate 28, the third spring 31 will be deformed, and the pushing plate 30 will slide and drive the rotating block 29 to rotate and open, and the second connecting plate 27 will also drive the intercepting plate 28 to rotate when it rotates and bends, so that the intercepting plate 28 and the rotating block 29 cooperate to intercept the waves again. When the first rotating plate 20 drives the sliding plate 22 to slide back to reset, the first connecting plate 26 and the second connecting plate 27 will also rotate and open in the opposite direction, and the extrusion block 32 will no longer squeeze the pushing plate 30. Under the action of the third spring 31 resetting, the pushing plate 30 will slide in the opposite direction and drive the rotating block 29 to reverse and reset. In this way, the waves can be further intercepted and the impact force of the waves can be reduced.

[0042] The above description is only an embodiment of the present invention and is not intended to limit the present invention. Any equivalent substitution made within the principle of the present invention should be included in the protection scope of the present invention. The content not elaborated in detail in the present invention belongs to the existing technology known to the technicians in this professional field.

Claims

1. An offshore wind and wave combined power generator, comprising a mounting frame (1), a column (101) being fixedly connected to the top of the mounting frame (1), a mounting shell (2) being fixedly connected to the top of the column (101), a blade shaft (3) being rotatably connected to the mounting shell (2), a vertical rod (4) being fixedly connected inside the mounting frame (1), a sea wave generator (5) being slidably connected to the vertical rod (4), characterized in that: The invention also comprises a deceleration slider (6), the deceleration slider (6) is slidably connected to the vertical rod (4), a fixed plate (7) is fixedly connected to the vertical rod (4), a first spring (8) is connected between the fixed plate (7) and the deceleration slider (6), a longitudinally symmetrical rack (9) is fixedly connected to the fixed plate (7), a longitudinally symmetrical generator (11) is fixedly connected inside the deceleration slider (6), a gear (10) is fixedly connected to the rotating shaft of the generator (11), the gear (10) is meshed with the adjacent rack (9), a protective mechanism is provided on the column (101) and the blade shaft (3), the protective mechanism comprises a deceleration block (12), the deceleration block (12) is fixedly connected to the blade shaft (3), and the protective mechanism is used to slow down the rotation speed of the blade shaft (3).

2. An offshore wind and wave combined power generation machine according to claim 1, characterized in that: The column (101) is a hollow structure.

3. An offshore wind and wave combined power generation machine according to claim 2, characterized in that: A sliding rod (13) is slidably connected inside the upright column (101), a connecting frame (131) is fixedly connected to the bottom end of the sliding rod (13), the connecting frame (131) is connected to a deceleration slider (6), a rotating rod (14) is rotatably connected to the top end of the sliding rod (13), a transversely symmetrical deceleration wheel (15) is fixedly connected to the rotating rod (14), and a deceleration component for decelerating the rotation speed of the rotating rod (14) is provided on the sliding rod (13).

4. An offshore wind and wave combined power generation machine according to claim 3, characterized in that: The deceleration assembly comprises a slide bar (16), the slide bar (16) is slidably connected to the top end of the slide bar (13), a second spring (17) is connected between the slide bar (16) and the slide bar (13), and a deceleration column (18) is fixedly connected to one end of the slide bar (16) close to the slide bar (13).

5. An offshore wind and wave combined power generation machine according to claim 4, characterized in that: The rotating rod (14) is provided with grooves which are equidistantly distributed in the circumferential direction, and the deceleration column (18) is inserted into the adjacent grooves.

6. An offshore wind and wave combined power generation machine according to claim 5, characterized in that: The invention also comprises a segmentation mechanism for segmenting the sea waves, the segmentation mechanism being arranged on the mounting frame (1), the segmentation mechanism comprising a first fixed frame (19), the first fixed frame (19) being fixedly connected to the top of the mounting frame (1), the first fixed frame (19) being rotatably connected to symmetrically arranged first rotating plates (20) on four sides, the mounting frame (1) being fixedly connected to the bottom end with a second fixed frame (21), the first rotating plate (20) being slidably connected to a sliding plate (22), the mounting frame (1) being fixedly connected to symmetrically arranged driving motors (23) on four sides, the output shaft of the driving motor (23) being fixedly connected to a second rotating plate (24), the second rotating plate (24) being movably connected to an adjacent first rotating plate (20), the bottom end of the deceleration slider (6) being fixedly connected to a button (25), the button (25) being electrically connected to the driving motor (23).

7. An offshore wind and wave combined power generation machine according to claim 6, characterized in that: The second fixing frame (21) has strip grooves on four sides, and the bottom end of the sliding plate (22) is slidably connected to the second fixing frame (21) through the strip grooves.

8. An offshore wind and wave combined power generation machine according to claim 7, characterized in that: The invention also comprises an interception mechanism for intercepting sea waves, wherein the interception mechanism is arranged on the first rotating plate (20) and the sliding plate (22), and the interception mechanism comprises a first connecting plate (26), wherein the first connecting plate (26) is rotatably connected to the first rotating plate (20), the sliding plate (22) is rotatably connected to a second connecting plate (27), the second connecting plate (27) is rotatably connected to the adjacent first connecting plate (26), an interception plate (28) is fixedly connected to the second connecting plate (27), the interception plate (28) is rotatably connected to rotating blocks (29) distributed at equal intervals, the interception plate (28) is slidably connected to a push plate (30), the push plate (30) is provided with connecting rods distributed at equal intervals, the push plate (30) is slidably connected to the rotating blocks (29) via the connecting rods, a third spring (31) is connected between the push plate (30) and the adjacent interception plate (28), and an extrusion block (32) is fixedly connected to the bottom end of the first connecting plate (26).

9. An offshore wind and wave combined power generation machine according to claim 8, characterized in that: The intercepting plate (28) is provided with through holes which are distributed at equal intervals, and the rotating block (29) is located in the through holes.

10. An offshore wind and wave combined power generation machine according to claim 9, characterized in that: The side of the extrusion block (32) close to the pushing plate (30) is inclined, and the extrusion block (32) is extruded and matched with the adjacent pushing plate (30).

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