CN116773140A - Semi-submerged floating wind power platform test model for real sea test and test method - Google Patents
Semi-submerged floating wind power platform test model for real sea test and test method Download PDFInfo
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- CN116773140A CN116773140A CN202310656644.5A CN202310656644A CN116773140A CN 116773140 A CN116773140 A CN 116773140A CN 202310656644 A CN202310656644 A CN 202310656644A CN 116773140 A CN116773140 A CN 116773140A
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- 238000007667 floating Methods 0.000 title claims abstract description 96
- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000010998 test method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
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- 238000010248 power generation Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims description 27
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- 238000004873 anchoring Methods 0.000 claims description 3
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- 238000005096 rolling process Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 1
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The application is applicable to the technical field of floating wind power platforms, and provides a semi-submersible floating wind power platform test model for real sea test and a test method, wherein the semi-submersible floating wind power platform test model comprises a platform floating frame and a power generation assembly arranged on the platform floating frame; the platform floating frame comprises a right triangular support frame; the right triangular support frame is provided with a tower; the power generation assembly is rotatably arranged on the tower; the surface of the bearing plate is provided with a piston cylinder; the surface of the lower mounting plate is provided with an electric push rod; the output end of the electric push rod is provided with piston pieces which are in sliding fit with the piston cylinders of each group. The device drives each group of piston plates on the piston piece to ascend in the corresponding piston cylinder by controlling the electric push rod, and water is pumped into the piston cylinder through the L-shaped water inlet pipe, so that the ballast of the platform floating frame is realized; the electric push rod is controlled to drive each group of piston plates to descend, water in the piston cylinder is discharged from the water outlet pipe, and unloading of the platform floating frame is achieved; the method replaces the traditional manual ballasting or unloading mode, and improves the efficiency of draft adjustment.
Description
Technical Field
The application relates to the technical field of floating wind power platforms, in particular to a semi-submersible floating wind power platform test model for real sea test and a test method.
Background
With the continuous enhancement of the utilization technology of the deep-open-sea wind energy, the floating wind power platform becomes the first choice for developing the deep-open-sea wind energy, but the actual marine environment is worse, and brings great challenges to the design and manufacture of the floating wind power platform, and the wind wave test is carried out by adopting a test pool in the traditional floating wind power platform model test environment, so that the floating wind power platform is more ideal and cannot be close to the actual marine environment, and the accuracy of experimental data is reduced; the floating wind power platform is generally divided into a single column type, a tension leg type, a barge type, a semi-submersible type and the like, and different platforms have advantages and disadvantages, and the semi-submersible floating platform has the characteristics of strong adaptability, simple installation, contribution to towing and the like, and is a main type for developing deep and open sea wind energy.
In order to study mooring tension and motion response of the semi-submersible floating wind power platform test model under different draught conditions, ballasting of the semi-submersible floating wind power platform test model is required to be adjusted, the depth of a test pool is limited, each pontoon on the existing semi-submersible floating wind power platform test model is marked with a waterline, the draught required by the test can be adjusted, most of arrangement personnel transport ballasting weights through a kayak, equal weights are placed on a plurality of pontoons in sequence, and the draught of the semi-submersible floating wind power platform test model is adjusted.
Disclosure of Invention
Aiming at the defects existing in the prior art, the application aims to provide a device for ballasting a platform floating frame by controlling the starting of an electric push rod to drive each group of piston plates on a piston piece to rise in a corresponding piston cylinder and pumping water into the piston cylinder through an L-shaped water inlet pipe; the electric push rod is controlled to start to drive each group of piston plates to descend, water in the piston cylinder is discharged from the water outlet pipe, and unloading of the platform floating frame is achieved; the semi-submersible floating wind power platform test model and the test method for the real sea test, which are used for replacing the traditional manual ballasting or unloading mode, improve the efficiency of draft adjustment, and simultaneously avoid the situation that weights fall easily due to fluctuation of a floating frame and influence the normal use of the test model.
In order to achieve the above purpose, the present application provides the following technical solutions:
a semi-submersible floating wind power platform test model for real sea test comprises a platform floating frame and a power generation assembly arranged on the platform floating frame; the platform floating frame comprises a right triangular support frame; the right triangular support frame is fixedly provided with a tower frame through a fastening bolt; the power generation assembly is rotatably arranged on the tower; three groups of bearing plates are distributed on the surface of the right triangular support frame in a circumferential array; the surface of the bearing plate is provided with a piston cylinder; an L-shaped water inlet pipe and an L-shaped water outlet pipe are sequentially arranged on the inner wall of the piston cylinder close to the bottom surface; the L-shaped water inlet pipe and the L-shaped water outlet pipe are respectively provided with a one-way valve; the tower comprises an upper mounting plate and a lower mounting plate which are arranged in parallel from top to bottom; support rods are distributed between the upper mounting plates in a circumferential array; an electric push rod is arranged on the surface of the lower mounting plate; and the output end of the electric push rod is fixedly connected with piston pieces which are in sliding fit with the piston cylinders of each group.
The application is further provided with: the piston piece comprises a lifting plate fixed at the telescopic end of the electric push rod through a fastening bolt; the peripheral side surfaces of the lifting plates are distributed in a circumferential array and are provided with connecting plates; a piston rod is arranged on the bottom surface of the connecting plate; the bottom of the piston rod is provided with a piston plate which is in sliding fit with the corresponding piston cylinder.
The application is further provided with: the positions of the right triangular support frames, which are close to the bearing plates, are fixedly connected with floating plates; the upper surface of the floating plate is provided with an upper pontoon, and the lower surface of the floating plate is provided with a lower pontoon; and the upper pontoon is marked with a waterline.
The application is further provided with: a tension monitoring piece is connected to the cable guide hole on the lower buoy; the tension monitoring piece comprises two groups of terminal shackles which are oppositely arranged; a pressure sensor is connected between the two terminal shackles; the tail end shackle is connected to a cable guide hole on the lower buoy; the other end shackle is connected with an anchor chain; the end part of each anchor chain is provided with a balancing weight; the balancing weight is provided with an anchor rod which is used for being inserted on the seabed.
The application is further provided with: the kayak also comprises three groups of kayaks provided with computer processing systems; and a data transmission line is electrically connected between each kayak and the corresponding pressure sensor.
The application is further provided with: u-shaped clamping plates for clamping the right triangular support frames are distributed on the peripheral side face of the lower mounting plate in a circumferential array manner; the U-shaped clamping plate is fixedly arranged on the right triangular support frame through a fastening bolt.
The application is further provided with: the surface of the upper mounting plate is provided with an annular plate; an annular groove is formed in the inner peripheral side surface of the annular plate; the power generation assembly comprises a swivel rotatably arranged on the inner wall of the annular plate; a limiting ring in running fit with the annular groove is arranged on the peripheral side surface of the swivel; the surface of the swivel is fixedly connected with a supporting plate; the surface of the supporting plate is provided with a supporting upright post; the end part of the supporting upright post is provided with a generator; the output end of the generator is provided with blades.
The application is further provided with: the surface of the upper mounting plate is sequentially provided with a brake motor, an inertial navigation instrument and a controller; the inertial navigation instrument is electrically connected with a computer processing system on the kayak; the output end of the controller is electrically connected with the electric push rod and the brake motor respectively; the output end of the brake motor is provided with a driving gear; the inner peripheral side surface of the swivel is provided with a toothed ring meshed with the driving gear.
A test method of a semi-submersible floating wind power platform test model for real sea test comprises the following steps:
t1: after the semi-submersible floating wind power platform test model is assembled, hoisting the semi-submersible floating wind power platform test model to water by using a crane on the shore, arranging a launching man in the water to wear a life jacket, and towing the semi-submersible floating wind power platform test model to a designated test position;
t2: the method comprises the steps that a person on the shore uses a kayak to send an anchor chain and a balancing weight to a designated position, underwater personnel spreads the anchor chain along the radius by taking a semi-submerged floating wind power platform test model as a circle center, one end of the anchor chain is connected to a cable guiding hole of a buoy under the test model through a terminal shackle, the anchor chain is enabled to hang down freely in the spreading process to form a catenary attitude, the other end of the anchor chain is spread to the designated anchoring position, the balancing weight is connected through the terminal shackle, a part of the anchor chain is sunk into the sea bed to form a ground-contacting section, and the rest mooring installation is carried out according to the method;
t3: the method comprises the steps of installing a six-meter-high anemometer on the shore, transmitting the wind speed and the wind direction of the current day of the test to a computer processing system, and monitoring and collecting the wave height and the wave period of the current wave by using the wave height meter;
t4: the data monitoring method comprises the steps of arranging personnel to operate three kayaks to launch for data monitoring, fixing the kayaks at designated positions for data monitoring in a pile inserting mode, fixing each kayak at 120 degrees around a floating fan, connecting a tension sensor to an anchor chain through a terminal shackle, respectively transmitting the data to data acquisition personnel on the three kayaks through data transmission lines, respectively monitoring and acquiring mooring tension of the three sensors, transmitting the data to the data acquisition personnel of one kayak through the arrangement of an inertial navigation instrument, and monitoring and acquiring motion responses (rolling, pitching and heaving) of a semi-submersible floating wind power platform test model;
t5: the floating fan ballasting method comprises the following steps: the electric push rod is controlled to start to drive each group of piston plates on the piston piece to ascend in the corresponding piston cylinder, and water is pumped into the piston cylinder through the L-shaped water inlet pipe, so that the ballast of the platform floating frame is realized; and the electric push rod is controlled to start to drive each group of piston plates to descend, so that water in the piston cylinder is discharged from the water outlet pipe, and the platform floating frame is unloaded.
The application has the advantages that:
1. according to the application, the wind meter with the height of six meters is arranged on the shore, the wind speed and the wind direction of the current day of the test are transmitted to the computer processing system, and the wave height meter is utilized to monitor and collect the wave height and the wave period of the current wave; the tension sensor is connected to the anchor chain, data are respectively transmitted to data acquisition personnel on three kayaks through the data transmission line, monitoring and acquisition of mooring tension of the three sensors are respectively carried out, the data are transmitted to the data acquisition personnel of one kayak through the arrangement of the inertial navigation instrument, the motion response of the semi-submersible floating wind power platform test model is monitored and acquired, the real sea test is adopted to replace the traditional diversification of test model data, and the accuracy of the test data is improved.
2. According to the application, by controlling and starting the electric push rod, each group of piston plates on the piston piece are driven to ascend in the corresponding piston cylinder, and water is pumped into the piston cylinder through the L-shaped water inlet pipe, so that the ballast of the platform floating frame is realized; the electric push rod is controlled to start to drive each group of piston plates to descend, water in the piston cylinder is discharged from the water outlet pipe, and unloading of the platform floating frame is achieved; the device replaces the traditional manual ballasting or unloading mode, improves the efficiency of draft adjustment, and simultaneously avoids the influence on the normal use of an experimental model due to the fact that weights fall easily due to fluctuation of a floating frame.
3. According to the application, the brake motor is controlled to be started to drive the driving gear to rotate, so that the swivel is driven to rotate, the rotation of the power generation assembly is realized, the angle of the power generation assembly can be adjusted according to the actual wind direction, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic structural diagram of a test model of a semi-submersible floating wind power platform for real sea testing.
Fig. 2 is a schematic structural view of the platform floating frame of the present application.
FIG. 3 is a schematic structural view of the tower of the present application.
Fig. 4 is a schematic structural view of the power generation assembly of the present application.
Fig. 5 is a schematic structural view of a piston member of the present application.
Fig. 6 is a schematic structural view of the tension monitor according to the present application.
In the figure: 1. a platform floating frame; 2. a power generation assembly; 3. a right triangle support frame; 4. a tower; 5. a bearing plate; 6. a piston cylinder; 7. an L-shaped water inlet pipe; 8. a water outlet pipe; 9. an upper mounting plate; 10. a lower mounting plate; 11. a support rod; 12. an electric push rod; 13. a piston member; 14. a lifting plate; 15. a connecting plate; 16. a piston rod; 17. a piston plate; 18. a floating plate; 19. a floating drum is arranged; 20. a lower pontoon; 21. a waterline; 22. a tension monitoring member; 23. terminal shackle; 24. a pressure sensor; 25. an anchor chain; 26. a kayak; 27. a data transmission line; 28. a U-shaped clamping plate; 29. an annular plate; 30. an annular groove; 31. a swivel; 32. a limiting ring; 33. a support plate; 34. a support column; 35. a generator; 36. a blade; 37. braking the motor; 38. an inertial navigation instrument; 39. a controller; 40. a drive gear; 41. a toothed ring.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present application, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present application.
Example 1
Referring to fig. 1-6, the present application provides the following technical solutions:
the semi-submersible floating wind power platform test model for the real sea test comprises a platform floating frame 1 and a power generation assembly 2 arranged on the platform floating frame 1; the platform floating frame 1 comprises a right triangular support frame 3; the right triangular support frame 3 is fixedly provided with a tower 4 through a fastening bolt; the power generation assembly 2 is rotatably arranged on the tower 4; three groups of bearing plates 5 are distributed on the surface of the regular triangle support frame 3 in a circumferential array; the surface of the bearing plate 5 is provided with a piston cylinder 6; an L-shaped water inlet pipe 7 and a water outlet pipe 8 are sequentially arranged on the inner wall of the piston cylinder 6 close to the bottom surface; the L-shaped water inlet pipe 7 and the water outlet pipe 8 are respectively provided with a one-way valve; the tower 4 comprises an upper mounting plate 9 and a lower mounting plate 10 which are mutually parallel from top to bottom; support rods 11 are distributed between the upper mounting plates 9 in a circumferential array; the surface of the lower mounting plate 10 is provided with an electric push rod 12; the output end of the electric push rod 12 is fixedly connected with a piston piece 13 which is in sliding fit with each group of piston cylinders 6; the piston member 13 includes a lifting plate 14 fixed to the telescopic end of the electric push rod 12 by fastening bolts; the peripheral side surfaces of the lifting plates 14 are distributed in a circumferential array and are provided with connecting plates 15; the bottom surface of the connecting plate 15 is provided with a piston rod 16; the bottom of the piston rod 16 is provided with a piston plate 17 in sliding engagement with the corresponding piston cylinder 6.
The first working principle of this embodiment: the one-way valve on the L-shaped water inlet pipe 7 can only allow seawater to enter the piston cylinder 6, and the one-way valve on the water outlet pipe 8 can only allow seawater to be discharged from the piston cylinder 6; the electric push rod 12 is controlled to be started to drive each group of piston plates 17 on the piston piece 13 to ascend in the corresponding piston cylinder 6, and water is pumped into the piston cylinder 6 through the L-shaped water inlet pipe 7, so that the ballast of the platform floating frame 1 is realized; the electric push rod 12 is controlled to start to drive each group of piston plates 17 to descend, water in the piston cylinder 6 is discharged from the water outlet pipe 8, and unloading of the platform floating frame 1 is achieved.
Example two
Referring to fig. 1-6, the second embodiment is an improvement based on the first embodiment, specifically, the triangular support frames 3 are fixedly connected with floating plates 18 at positions close to the bearing plates 5; the upper surface of the floating plate 18 is provided with an upper pontoon 19, and the lower surface thereof is provided with a lower pontoon 20; the upper pontoon 19 is marked with a waterline 21; a tension monitoring piece 22 is connected to the cable guide hole on the lower buoy 20; the tension monitoring piece 22 comprises two sets of end shackles 23 which are oppositely arranged; a pressure sensor 24 is connected between the two end shackles 23; a terminal shackle 23 is connected to the lower buoy 20 at the pilot hole; the other end shackle 23 is connected with an anchor chain 25; the end part of each anchor chain 25 is provided with a balancing weight; the balancing weight is provided with an anchor rod which is used for being inserted on the seabed; also included are three sets of kayaks 26 provided with a computer processing system; a data transmission line 27 is electrically connected between each kayak 26 and the corresponding pressure sensor 24; the U-shaped clamping plates 28 for clamping the right triangular support frames 3 are distributed on the peripheral side surface of the lower mounting plate 10 in a circumferential array; the U-shaped clamping plate 28 is fixedly arranged on the right triangular support frame 3 through a fastening bolt.
The second working principle of this embodiment: the tension sensor 24 is connected to the anchor chain 25 through the terminal shackle 23, data are respectively transmitted to data acquisition personnel on three kayaks through the data transmission line 27, the mooring tension of the three sensors is respectively monitored and acquired, the data are transmitted to the data acquisition personnel of one kayak through the arrangement of the inertial navigation instrument 38, and the motion response of the semi-submersible floating wind power platform test model is monitored and acquired; and monitoring and collecting the wave height and the wave period of the current wave by using a wave height instrument.
Example III
Referring to fig. 1 to 6, the third embodiment is modified from the first embodiment in that an annular plate 29 is provided on the surface of the upper mounting plate 9; the inner peripheral side surface of the annular plate 29 is provided with an annular groove 30; the power generation assembly 2 includes a swivel 31 rotatably provided on the inner wall of the annular plate 29; a limiting ring 32 which is in running fit with the annular groove 30 is arranged on the peripheral side surface of the swivel 31; the surface of the swivel 31 is fixedly connected with a supporting plate 33; the surface of the supporting plate 33 is provided with a supporting upright post 34; the end of the supporting upright post 34 is provided with a generator 35; the output end of the generator 35 is provided with blades 36; the surface of the upper mounting plate 9 is sequentially provided with a brake motor 37, an inertial navigation instrument 38 and a controller 39; inertial navigation instrument 38 is electrically connected to a computer processing system on kayak 26; the output end of the controller 39 is respectively and electrically connected with the electric push rod 12 and the brake motor 37; the output end of the brake motor 37 is provided with a driving gear 40; the inner peripheral side surface of the swivel 31 is provided with a toothed ring 41 in meshing engagement with the drive gear 40.
The third working principle of the embodiment: the brake motor 37 is controlled to be started to drive the driving gear 40 to rotate, so that the swivel 31 is driven to rotate, the rotation of the power generation assembly 2 is realized, the angle of the power generation assembly 2 can be adjusted according to the actual wind direction, and the practicability of the device is improved.
A test method of a semi-submersible floating wind power platform test model for real sea test comprises the following steps:
t1: after the semi-submersible floating wind power platform test model is assembled, a crane is used on the shore to hoist the semi-submersible floating wind power platform test model into water, a launching man is arranged in the water to wear a life jacket, and the semi-submersible floating wind power platform test model is towed to a designated test position;
t2: the personnel on the shore use the kayak 26 to send the anchor chain 25 and the balancing weight to the appointed position, the personnel under water spreads the anchor chain 26 along the radius by taking the semi-submerged floating wind power platform test model as the center of a circle, one end is connected to the cable guiding hole of the buoy 20 under the test model through the terminal shackle 23, in the spreading process, the anchor chain 25 is enabled to hang down freely to form a catenary gesture, then the other end of the anchor chain 25 is spread to the appointed anchoring position, the balancing weight is connected through the terminal shackle 23, a part of the anchor chain 25 is submerged into the sea bed to become a ground contact section, and the rest mooring installation is carried out according to the method;
t3: the method comprises the steps of installing a six-meter-high anemometer on the shore, transmitting the wind speed and the wind direction of the current day of the test to a computer processing system, and monitoring and collecting the wave height and the wave period of the current wave by using the wave height meter;
t4: the data monitoring method comprises the steps of arranging personnel to operate three kayaks 26 to launch for data monitoring, fixing the kayaks 26 at a designated position for data monitoring in a pile inserting mode, fixing each kayak at 120 degrees around a floating fan, connecting a tension sensor 24 to an anchor chain 25 through a terminal shackle 23, respectively transmitting data to data acquisition personnel on the three kayaks through a data transmission line 27, respectively monitoring and acquiring mooring tension of the three sensors, transmitting the data to the data acquisition personnel of one kayak through the arrangement of an inertial navigator 38, and monitoring and acquiring motion response roll, pitch, heave and heave of a semi-submersible floating wind power platform test model;
t5: the floating fan ballasting method comprises the following steps: the electric push rod 12 is controlled to be started to drive each group of piston plates 17 on the piston piece 13 to ascend in the corresponding piston cylinder 6, and water is pumped into the piston cylinder 6 through the L-shaped water inlet pipe 7, so that the ballast of the platform floating frame 1 is realized; the electric push rod 12 is controlled to start to drive each group of piston plates 17 to descend, water in the piston cylinder 6 is discharged from the water outlet pipe 8, and unloading of the platform floating frame 1 is achieved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the present application may occur to one skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (9)
1. The semi-submersible floating wind power platform test model for the real sea test comprises a platform floating frame (1) and a power generation assembly (2) arranged on the platform floating frame (1); the method is characterized in that:
the platform floating frame (1) comprises a right triangular support frame (3); the right triangular support frame (3) is fixedly provided with a tower (4) through a fastening bolt; the power generation assembly (2) is rotatably arranged on the tower (4);
three groups of bearing plates (5) are distributed on the surface of the right triangular support frame (3) in a circumferential array; the surface of the bearing plate (5) is provided with a piston cylinder (6); an L-shaped water inlet pipe (7) and a water outlet pipe (8) are sequentially arranged on the inner wall of the piston cylinder (6) close to the bottom surface; the L-shaped water inlet pipe (7) and the water outlet pipe (8) are respectively provided with a one-way valve;
the tower (4) comprises an upper mounting plate (9) and a lower mounting plate (10) which are arranged in parallel from top to bottom; support rods (11) are distributed between the upper mounting plates (9) in a circumferential array; an electric push rod (12) is arranged on the surface of the lower mounting plate (10); the output end of the electric push rod (12) is fixedly connected with piston pieces (13) which are in sliding fit with the piston cylinders (6) of each group.
2. The semi-submersible floating wind power platform test model for real sea testing according to claim 1, wherein the model is characterized in that: the piston member (13) comprises a lifting plate (14) fixed at the telescopic end of the electric push rod (12) through a fastening bolt; the peripheral side surfaces of the lifting plates (14) are distributed in a circumferential array manner and are provided with connecting plates (15); a piston rod (16) is arranged on the bottom surface of the connecting plate (15); the bottom of the piston rod (16) is provided with a piston plate (17) which is in sliding fit with the corresponding piston cylinder (6).
3. The semi-submersible floating wind power platform test model for real sea testing according to claim 1, wherein the model is characterized in that: the positions of the right triangular support frames (3) close to the bearing plates (5) are fixedly connected with floating plates (18); an upper pontoon (19) is arranged on the upper surface of the floating plate (18), and a lower pontoon (20) is arranged on the lower surface of the floating plate; the upper pontoon (19) is marked with a waterline (21).
4. The semi-submersible floating wind power platform test model for real sea testing according to claim 3, wherein the model is characterized in that: a tension monitoring piece (22) is connected to the position of the cable guide hole on the lower buoy (20); the tension monitoring piece (22) comprises two groups of end shackles (23) which are oppositely arranged; a pressure sensor (24) is connected between the two terminal shackles (23); the tail end shackle (23) is connected to a cable guide hole on the lower buoy (20); the other end shackle (23) is connected with an anchor chain (25); the end part of each anchor chain (25) is provided with a balancing weight; the balancing weight is provided with an anchor rod which is used for being inserted on the seabed.
5. The experimental model of the semi-submersible floating wind power platform for real sea testing according to claim 4, wherein the experimental model is characterized in that: also comprises three groups of kayaks (26) provided with a computer processing system; a data transmission line (27) is electrically connected between each kayak (26) and the corresponding pressure sensor (24).
6. The experimental model and the experimental method of the semi-submersible floating wind power platform for the real sea test of claim 1 are characterized in that: u-shaped clamping plates (28) for clamping the right triangular support frames (3) are distributed on the peripheral side surface of the lower mounting plate (10) in a circumferential array manner; the U-shaped clamping plate (28) is fixedly arranged on the right triangular support frame (3) through a fastening bolt.
7. The experimental model of the semi-submersible floating wind power platform for real sea testing according to claim 5, wherein the experimental model is characterized in that: an annular plate (29) is arranged on the surface of the upper mounting plate (9); an annular groove (30) is formed in the inner peripheral side surface of the annular plate (29); the power generation assembly (2) comprises a swivel (31) rotatably arranged on the inner wall of the annular plate (29); a limiting ring (32) which is in running fit with the annular groove (30) is arranged on the peripheral side surface of the swivel (31); the surface of the swivel (31) is fixedly connected with a supporting plate (33); the surface of the supporting plate (33) is provided with a supporting upright post (34); a generator (35) is arranged at the end part of the supporting upright post (34); the output end of the generator (35) is provided with blades (36).
8. The semi-submersible floating wind power platform test model for real sea testing according to claim 7, wherein: a braking motor (37), an inertial navigation instrument (38) and a controller (39) are sequentially arranged on the surface of the upper mounting plate (9); the inertial navigation instrument (38) is electrically connected with a computer processing system on the kayak (26); the output end of the controller (39) is respectively and electrically connected with the electric push rod (12) and the brake motor (37); the output end of the brake motor (37) is provided with a driving gear (40); the inner peripheral side surface of the swivel (31) is provided with a toothed ring (41) which is meshed and matched with the driving gear (40).
9. The test method of the semi-submersible floating wind power platform test model for real sea test according to any one of claims 1 to 8, comprising the following steps:
t1: a tower (4) with a power generation assembly (2) arranged on the surface in a rotating way is fixed on a platform floating frame (1) through a fastening bolt, after the semi-submerged floating wind power platform test model is assembled, a crane is used on the shore to hoist the semi-submerged floating wind power platform test model into water, a person in water is arranged to wear a life jacket, and the semi-submerged floating wind power platform test model is towed to a designated test position;
t2: the method comprises the steps that a personnel on the shore sends an anchor chain (25) and a balancing weight to a designated position by using a kayak (26), the personnel under water deploys the anchor chain (26) along the radius by taking a semi-submerged floating wind power platform test model as the center of a circle, one end of the anchor chain is connected to a cable guiding hole of a buoy (20) under the test model through a terminal shackle (23), the anchor chain (25) is enabled to hang down freely in the deployment process to form a catenary attitude, the other end of the anchor chain (25) is unfolded to the designated anchoring position, the balancing weight is connected through the terminal shackle (23), a part of the anchor chain (25) is sunk into the sea bed to form a ground contact section, and other mooring installations are carried out according to the method;
t3: the method comprises the steps of installing a six-meter-high anemometer on the shore, transmitting the wind speed and the wind direction of the current day of the test to a computer processing system, and monitoring and collecting the wave height and the wave period of the current wave by using the wave height meter;
t4: the data monitoring method comprises the steps of arranging personnel to operate three kayaks (26) to launch for data monitoring, fixing the kayaks (26) at designated positions for data monitoring in a pile inserting mode, fixing each kayak at 120 degrees around a floating fan, connecting a tension sensor (24) to an anchor chain (25) through a terminal shackle (23), respectively transmitting the data to data acquisition personnel on the three kayaks through a data transmission line (27), respectively monitoring and acquiring mooring tension of the three sensors, transmitting the data to the data acquisition personnel of one kayak through the arrangement of an inertial navigation instrument (38), and monitoring and acquiring motion responses (rolling, pitching, swaying and swaying) of a semi-submersible floating wind power platform test model;
t5: the floating fan ballasting method comprises the following steps: the electric push rod (12) is controlled to be started to drive each group of piston plates (17) on the piston piece (13) to ascend in the corresponding piston cylinder (6), and water is pumped into the piston cylinder (6) through the L-shaped water inlet pipe (7) to ballast the platform floating frame (1); the electric push rod (12) is controlled to be started to drive each group of piston plates (17) to descend, water in the piston cylinder (6) is discharged from the water outlet pipe (8), and unloading of the platform floating frame (1) is achieved.
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