CN114013588B - Vibration damper for wave current excitation offshore floating structure - Google Patents

Vibration damper for wave current excitation offshore floating structure Download PDF

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Publication number
CN114013588B
CN114013588B CN202111295336.1A CN202111295336A CN114013588B CN 114013588 B CN114013588 B CN 114013588B CN 202111295336 A CN202111295336 A CN 202111295336A CN 114013588 B CN114013588 B CN 114013588B
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guide
close
outer side
floating
steel cable
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CN114013588A (en
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黄帅
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National Institute of Natural Hazards
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National Institute of Natural Hazards
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a vibration damper for wave current excitation of a floating structure on the sea, which comprises: a column; the floating frame is arranged at the upper end of the upright post, the side surface of the floating frame close to the lower end of the upright post is of a conical curved surface structure, and a driving device is arranged on the side surface of the floating frame; the buffer device is arranged on the side surface of the upper end of the floating frame and is used for driving the driving device; the submerging and surfacing device is positioned below the driving device, is arranged on the outer side of the upright post, is driven and adjusted by the driving device, and is connected with the seabed through a first steel cable; and the damping device is arranged at the bottom end of the upright post, is driven by the submerging and floating device to move longitudinally, and is connected with the seabed through a second steel cable.

Description

Vibration damper for wave current excitation offshore floating structure
Technical Field
The invention relates to the technical field of offshore wind power equipment, in particular to a vibration damper for a wave current excitation lower-sea floating structure.
Background
Floating offshore structures are a trend in the future for offshore structures, such as those used in offshore platforms, wind turbines, etc. However, since the ocean waves continuously surge, the equipment such as ocean platforms and wind driven generators are excited by the waves and ocean currents, and are easy to vibrate. When the existing vibration damping device of the offshore floating structure is in operation and is impacted by waves, equipment swings along with the waves, the center of gravity of the floating device and the equipment mounted on the floating device is greatly deviated, so that the swinging amplitude of the floating device is large, and the normal operation of the equipment is influenced.
Accordingly, one skilled in the art provides a vibration damping device for wave current excitation of a floating structure on the sea to solve the problems set forth in the background above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a vibration damping device for wave current excitation of a sub-sea buoyant structure, comprising:
a column;
the floating frame is arranged at the upper end of the upright post, the side surface of the floating frame close to the lower end of the upright post is of a conical curved surface structure, and a driving device is arranged on the side surface of the floating frame;
the buffer device is arranged on the side surface of the upper end of the floating frame and is used for driving the driving device;
the submerging and surfacing device is positioned below the driving device, is arranged on the outer side of the upright post, is driven and adjusted by the driving device, and is connected with the seabed through a first steel cable;
and the damping device is arranged at the bottom end of the upright post, is driven by the submerging and floating device to move longitudinally, and is connected with the seabed through a second steel cable.
As a preferable technical scheme of the invention, the first steel cable and the buffer device are arranged correspondingly, and the inclined angle of the first steel cable and the vertical included angle of the first steel cable are close to a 45-degree inclined line.
As a preferable technical scheme of the invention, the second steel cable is arranged corresponding to the submerging and surfacing device, and the inclined angle of the second steel cable and the vertical included angle of the second steel cable are close to a 75-degree inclined line.
As a preferred aspect of the present invention, the driving device includes:
the rack is arranged on the side surface of the floating frame, is parallel to the side surface wall of the floating frame, is meshed and connected with the gear ring, and is provided with an arc-shaped guide rail;
the strip-shaped guide rails are arranged into two groups and clamped on the front side and the rear side of the arc-shaped guide rails in parallel;
the I-shaped lock wheel is used for assisting the parallel strip-shaped guide rail and the arc-shaped guide rail to slide in a fitting manner;
the front end, the rear end and the outer side wall close to the center of the rotating shaft are all sleeved with rotating drums, one side close to the center is embedded into the axis of the gear ring and is connected through a bearing, rotating wheels are coaxially fixed at the front end and the rear end of the rotating drums at the front end and the rear end, and the front side close to the edge surface of the rotating wheel at the front side is hinged with a second push-pull rod;
the locking rods are arranged in two groups, are symmetrically arranged in parallel in the front-back direction and are arranged on the floating frame, and the output ends of the locking rods are hinged to the outer side wall of the rotating shaft between the rotating drum on one side close to the center and the rotating drum on the outer side.
As a preferred technical scheme of the invention, the I-shaped lock wheel comprises a guide clamping wheel and a sliding column, the sliding column penetrates through the strip-shaped guide rail and the arc-shaped guide rail and is in sliding connection with the inner wall of the guide rail, and the front end and the rear end of the sliding column are connected and provided with the guide clamping wheel through bearings.
As a preferable aspect of the present invention, the buffer device includes:
the guide rods are transversely arranged and are configured into three groups, buffer boxes are respectively arranged between every two adjacent guide rods, the right ends of the guide rods close to the left side and the center are embedded into the buffer boxes and are in sliding connection with the buffer boxes, horizontal fixture blocks are respectively arranged at the right ends of the guide rods close to the center, the left ends of the guide rods close to the center are fixed with the right ends of the buffer boxes at the left side, the two groups of horizontal fixture blocks are connected with the inner walls of the right ends of the buffer boxes corresponding to the two groups of horizontal fixture blocks through buffer springs, and the left ends and the right ends of the guide rods close to the right side are respectively fixed at the right ends of the buffer boxes at the right side and on the side wall of the floating frame;
the lower end of the buffer monitoring plate is hinged to the left end of the guide rod on the left side, the upper end of the buffer monitoring plate is hinged to the left end of the reset elastic rod, and the right end of the reset elastic rod is hinged to the horizontal fixture block on the right side;
the left end and the right end of the adjusting telescopic rod are respectively hinged to the left horizontal clamping block and the rear rotating wheel corresponding to the hinged end of the front push-pull rod II;
the left end and the right end of the first push-pull rod are respectively hinged to the right horizontal clamping block and the rotating shaft.
As a preferable technical scheme of the invention, the adjusting telescopic rod is provided with a telescopic adjusting module.
As a preferable aspect of the present invention, the submerging and surfacing apparatus includes:
the arc plate clamping frame is sleeved on the outer side wall of the upright post, a transverse guide ring seat is installed in the middle of the arc plate clamping frame, and a frequency monitor is installed on the ring wall on the inner side of the guide ring seat;
the submerged buoy is embedded into the guide ring seat and is connected in a vertical sliding mode, and a third push-pull rod is coaxially fixed at the lower end of the submerged buoy;
and the sensing ring pieces are arranged in three groups, are arranged on the outer side wall of the submerged buoy, and are used for equally dividing the outer side wall of the sensing ring pieces into four groups.
As a preferable technical scheme of the invention, a longitudinal auxiliary clamping strip is arranged on the side wall of the submerged buoy close to one side of the arc plate clamping frame, and the auxiliary clamping strip is connected with the arc plate clamping frame in a sliding manner.
As a preferable aspect of the present invention, the damping device includes:
the weight boxes are configured into a plurality of groups, adjacent weight boxes are connected in series through free telescopic columns, each group of weight boxes is independently connected with the lower end of the corresponding push-pull rod III and is positioned at the uppermost weight box, an auxiliary guide column is fixed on the central surface of the upper end of the weight box, and the auxiliary guide columns are embedded into the upright columns and are in sliding connection;
the damping ball is arranged in the weight box;
the damping rods are arranged on the inner side wall of the weight box, and the inner side ends of the damping rods are fixed on the outer side of the damping balls;
and the guide seat is arranged at the lower end of the upright post, an auxiliary guide ring seat is fixed on the outer side of the guide seat, and the auxiliary guide ring seat is sleeved on the outer side of the push-pull rod III.
Compared with the prior art, the invention provides a vibration damper for a wave current excitation lower-sea floating structure, which has the following beneficial effects:
the invention changes the gravity center of the total structure by utilizing the impact force of waves, so that the total structure equipment generates the resisting pressure resisting the wave impact by utilizing the self gravity, wherein, when the total structure equipment is subjected to the impact force of the waves from the bottom end to the top end and then to the bottom end, the gravity center of the structure can descend and ascend, the structure equipment is pushed and pressed by the pressure intensity of the corresponding side of the submerged floating device, and the damping device reduces the swinging amplitude of the bottom, so that the structure equipment forms the impact force responding to the wave impact in real time and offsets the impact force, thereby improving the stability of the structure equipment, the impact frequency of the waves is monitored in real time by the frequency monitor, the inclination angle and the swinging frequency of the buffer monitoring plate are adjusted, the impact force of the waves is absorbed, the swinging of the total structure is reduced, and the submerged floating pontoon in the submerged floating device operates independently, so that the structure can flexibly adapt to directly act on the corresponding submerged floating barrels under the multi-directional impact, and then produce and correspond the slope trend and press to the wave to the stability of damping ball is coordinated, the stability of the focus skew of this structure is guaranteed, thereby further improves the holistic stability of this structure.
Drawings
FIG. 1 is a schematic structural view of a vibration damping device according to the present invention;
FIG. 2 is an enlarged view of a portion of the driving device of the present invention;
FIG. 3 is an enlarged view of a portion of the buffering device according to the present invention;
FIG. 4 is an enlarged view of the partial structure of the submerging and surfacing apparatus of the present invention;
in the figure: 1. a floating frame; 2. a buffer device; 3. a column; 4. a first steel cable; 5. a damping device; 6. a submerging and surfacing device; 7. a drive device; 8. a second steel cable; 21. a guide bar; 22. a buffer tank; 23. a horizontal clamping block; 24. a buffer spring; 25. buffering the monitoring plate; 26. a restoring elastic rod; 27. adjusting the telescopic rod; 28. a first push-pull rod; 51. a weight box; 52. a damping ball; 53. a damping lever; 54. an auxiliary guide post; 55. a guide seat; 61. an arc plate holder; 62. a guide ring seat; 63. submerging a buoy; 64. a sensing ring; 65. a frequency monitor; 66. auxiliary clamping strips; 67. a third push-pull rod; 71. a rack; 72. a gear ring; 73. a rotating shaft; 74. a rotating drum; 75. a rotating wheel; 76. an arc-shaped guide rail; 77. a strip-shaped guide rail; 78. an I-shaped lock wheel; 79. a locking lever; 710. and a second push-pull rod.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a vibration damping device for wave current excitation of a sub-sea buoyant structure, comprising:
a column 3;
the floating frame 1 is arranged at the upper end of the upright post 3, the side surface of the floating frame close to the lower end of the upright post is of a conical curved surface structure, and the side surface of the floating frame is provided with a driving device 7;
the buffer device 2 is arranged on the side surface of the upper end of the floating frame 1 and is used for driving the driving device 7;
the submerged floating device 6 is positioned below the driving device 7, is arranged on the outer side of the upright post 3, is driven and adjusted by the driving device 7, and is connected with the seabed through a first steel cable 4;
the damping device 5 is arranged at the bottom end of the upright post 3, is driven by the submerging and surfacing device 6 to move longitudinally, and is connected with the seabed through a second steel cable 8;
it should be noted that the installation position of the submerging and surfacing device is located at the center of gravity of the structure and the overall structure of the equipment installed thereon, and the structure and the equipment installed thereon need to be of a symmetrical structure, and the center of gravity of the overall structure is located on the axis of the upright post.
In the embodiment, the first steel cable 4 is arranged corresponding to the buffer device 2, and the inclined angle and the vertical included angle of the first steel cable are close to a 45-degree inclined line, so that the first steel cable is mainly used for drawing the overall structure, and the longitudinal component force and the transverse component force of the stress on one side of the gravity center of the overall structure are relatively kept consistent;
as a best embodiment, the included angle between the inclination angle and the vertical direction is slightly larger than 45 degrees, so that the transverse component force is slightly higher than the longitudinal component force, and the transverse fixing stability of the device is slightly enhanced.
In this embodiment, the second steel cable 8 is arranged corresponding to the submerging and surfacing device 6, and the inclination angle and the vertical included angle of the second steel cable are close to a 75-degree inclination line, so that the second steel cable is mainly used for limiting the horizontal swaying amplitude of the bottom end of the overall structure in the vibration damping process.
In this embodiment, the driving device 7 includes:
the rack 71 is arranged on the side surface of the floating frame 1, is parallel to the side surface wall of the floating frame, and is meshed and connected with the gear ring 72, and the gear ring 72 is provided with an arc-shaped guide rail 76;
two sets of strip-shaped guide rails 77 arranged in parallel on the front and rear sides of the arc-shaped guide rails 77;
the I-shaped lock wheel 78 assists the parallel strip-shaped guide rail 77 to be attached to the arc-shaped guide rail 76 for sliding;
a rotating drum 74 is sleeved on the front end, the rear end and the outer side wall close to the center of the rotating shaft 73, the rotating drum 74 close to the center is embedded in the axis of the gear ring 73 and is connected through a bearing, rotating wheels 75 are coaxially fixed at the front end and the rear end of the rotating drum 74 at the front end and the rear end, and a push-pull rod II 710 is hinged to the front side edge surface of the rotating wheel 75 at the front side;
the locking rods 79 are arranged in two groups, are arranged in parallel and symmetrically in front and back, and are installed on the floating frame 1, and the output ends of the locking rods are hinged on the outer side wall of the rotating shaft 73 between the rotating drum 74 at the side close to the center and the rotating drum 74 at the outer side;
the front rotating wheel, the rear rotating wheel, the gear ring and the rotating shaft all rotate independently, and the locking rod and the I-shaped locking wheel are used for maintaining the gear ring and the rack in the same plane, so that the gear ring and the rack are tightly connected and cannot be separated, and the European stable operation can be realized;
as the best embodiment, the strip-shaped guide rail is provided with the main driving device which is matched with the I-shaped lock wheel to slide, so that the smoothness of the matched operation of the gear ring, the rack and the I-shaped lock wheel is improved.
In this embodiment, the i-shaped locking wheel 78 includes a guiding clamping wheel and a sliding column, the sliding column penetrates through the strip-shaped guide rail 77 and the arc-shaped guide rail 76 and is connected with the inner wall of the guide rail in a sliding manner, and the front end and the rear end of the sliding column are connected and provided with the guiding clamping wheel through bearings.
In this embodiment, the buffer device 2 includes:
the guide rods 21 are transversely arranged and configured into three groups, buffer boxes 22 are respectively installed between every two adjacent guide rods 21, the right ends of the guide rods 21 close to the left side and the center are respectively embedded into and correspond to the buffer boxes 22 to be in sliding connection, horizontal fixture blocks 23 are respectively installed at the right ends of the guide rods 21 close to the center, the left ends of the guide rods 21 close to the center are fixed with the right ends of the buffer boxes 22 on the left side, the two groups of horizontal fixture blocks 23 are connected with the inner walls of the right ends of the buffer boxes 22 corresponding to the two groups of horizontal fixture blocks 23 through buffer springs 24, and the left ends and the right ends of the guide rods 21 close to the right side are respectively fixed at the right ends of the buffer boxes 22 on the right side and on the side wall of the floating frame 1;
the lower end of the buffering monitoring plate 25 is hinged to the left end of the guide rod 21 on the left side, the upper end of the buffering monitoring plate is hinged to the left end of the resetting elastic rod 26, and the right end of the resetting elastic rod 26 is hinged to the horizontal fixture block 23 on the right side;
the left end and the right end of the adjusting telescopic rod 27 are respectively hinged on the left horizontal fixture block 23 and the rear rotary wheel 75 corresponding to the hinged end of the front push-pull rod two 710;
the left end and the right end of the first push-pull rod 28 are respectively hinged on the right horizontal fixture block 23 and the rotating shaft 73;
the horizontal clamping block is used for maintaining the guide rod and the buffer box on the same horizontal plane;
it should be noted that, on one hand, the structure is mainly used for converting impact force generated by waves into power for driving the driving device, and on the other hand, the structure is used for monitoring impact force of the waves in real time and automatically adjusting the inclination angle range of the buffer monitoring plate inside the structure so as to be matched with the impact force of the waves, so that transverse and longitudinal component forces of the impact force are relatively kept consistent, and the buffer monitoring plate and the reset elastic rod are provided with a monitoring module and an adjusting module for mutual feedback and matching adjustment;
wherein, the left side baffle-box is the one-level buffering, and the right side baffle-box is the second grade buffering, and the one-level buffering is, adjusts telescopic link drive runner and rotates, and the second grade buffering does, on the basis of one-level buffering, the addition, and the regulation gear ring rolls along rack toothing.
In this embodiment, the adjusting telescopic rod 27 is provided with a telescopic adjusting module.
In this embodiment, the submerging and surfacing apparatus 6 includes:
the arc plate clamping frame 61 is sleeved on the outer side wall of the upright post 1, a transverse guide ring seat 62 is installed in the middle of the arc plate clamping frame, and a frequency monitor 65 is installed on the ring wall on the inner side of the guide ring seat 62;
the submerged buoy 63 is embedded into the guide ring seat 62 and is connected in a vertical sliding mode, and the lower end of the submerged buoy is coaxially fixed with a third push-pull rod 67;
the sensing ring members 64 are arranged in three groups, are arranged on the outer side walls of the submerged buoys 63, and divide the outer side walls of the sensing ring members 64 into four groups in fixed number;
the structure is mainly used for adjusting the external pressure intensity applied to the interior of seawater where the general structure is located and the position of the center of gravity of the general structure, so that the impulsive force generated by resisting waves is generated;
the up-down sliding distance of the submerged buoy is in a first-stage buffer state when the submerged buoy is between the upper sensing ring piece and the lower sensing ring piece, and the distance is exceeded by the first-stage buffer state to form a second-stage buffer state;
it is noted that the frequency of the up-and-down submerging and surfacing of the submerging and surfacing barrel is fed back to the reset elastic rod through the frequency monitor, and the swaying frequency of the buffer monitoring plate is further adjusted;
in a preferred embodiment, the third push-pull rod is of a telescopic structure and is used for adjusting the initial position of the damping device during installation.
In this embodiment, a longitudinal auxiliary clamping strip 66 is installed on a side wall of the submerged buoy 63 close to one side of the arc plate clamping frame 61, and the auxiliary clamping strip 66 is connected with the arc plate clamping frame 61 in a sliding manner so as to prevent the submerged buoy from twisting in the up-and-down submerged sliding process.
In this embodiment, the damping device 5 includes:
the weight boxes 51 are configured into a plurality of groups, the adjacent weight boxes 51 are connected in series through free telescopic columns, each group is independently connected with the lower end of the corresponding push-pull rod III 67, the center face of the upper end of the uppermost weight box 51 is fixedly provided with an auxiliary guide column 54, and the auxiliary guide column 54 is embedded into the upright post 3 and is connected with the upright post in a sliding manner;
a damping ball 52 disposed within the weight box 51;
the damping rods 53 are installed on the inner side wall of the weight box 51, and the inner side ends of the damping rods are fixed on the outer side of the damping balls 52;
the guide seat 55 is arranged at the lower end of the upright post 3, an auxiliary guide ring seat is fixed on the outer side of the guide seat, and the auxiliary guide ring seat is sleeved on the outer side of the push-pull rod III 67;
this structure, on the one hand for during the installation, to the focus of overall structure position calibrate for initial gravity center position is in and floats device center, and on the other hand for the system shakes the in-process, cooperates the upper and lower float of diving the flotation pontoon, and then adjusts up, descends its focus position.
In the specific implementation, after the installation of all the structures and equipment is finished, the depth positions of the weight boxes are adjusted through the push-pull rod III, the gravity center of the total structure is adjusted to the center of the submerging and surfacing device, in addition, the interval of each group of weight boxes needs to be kept consistent, the buffering monitoring plate is transversely and repeatedly contracted and extended under the impact of waves, and primary buffering is triggered, in addition, the adjusting telescopic rod pushes the rotating wheel to rotate in a reciprocating mode, so that the corresponding push-pull rod II is driven to push and pull the corresponding submerging buoy to submerge up and down, meanwhile, the corresponding weight boxes are pushed and pulled in a reciprocating mode through the push-pull rod III to move up and down, further, the structure generates the gravity applying pressure resisting the wave impact force, in the submerging process, the gravity center also correspondingly descends, so that the submerging buoy on one side and the submerging buoy on the corresponding side generate the pressure difference, namely, the side which does not descend to shift to the descending side, further in the inclining process, the generated pressure and the wave impact force form countermeasures and then offset each other, the floating process is opposite to the submerging process, and when the plurality of groups of buffering monitoring plates run synchronously, the total impact force generated by the waves can be directly formed to form corresponding total countermeasures.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.

Claims (4)

1. A vibration damper for a wave current excited undersea floating structure, characterized in that: it includes:
a column (3);
the floating frame (1) is arranged at the upper end of the upright post (3), the side surface of the floating frame close to the lower end of the upright post is of a conical curved surface structure, and the side surface of the floating frame is provided with a driving device (7);
the buffer device (2) is arranged on the side surface of the upper end of the floating frame (1) and is used for driving the driving device (7);
the submerging and surfacing device (6) is positioned below the driving device (7), is arranged on the outer side of the upright post (3), is driven and adjusted by the driving device (7), and is connected with the seabed through a first steel cable (4);
the damping device (5) is arranged at the bottom end of the upright post (3), is driven to move longitudinally by the submerging and floating device (6), and is connected with the seabed through a second steel cable (8);
the drive device (7) comprises:
the rack (71) is arranged on the side surface of the floating frame (1), is parallel to the side surface wall of the floating frame, is meshed and connected with the gear ring (72), and is provided with an arc-shaped guide rail (76) on the gear ring (72);
the strip-shaped guide rails (77) are configured into two groups and are clamped on the front side and the rear side of the arc-shaped guide rails (76) to be arranged in parallel;
the I-shaped lock wheel (78) is used for assisting the parallel strip-shaped guide rail (77) and the arc-shaped guide rail (76) to be attached and slide;
the front end, the rear end and the outer side wall close to the center of the rotating shaft (73) are respectively sleeved with a rotating drum (74), the rotating drum (74) at one side close to the center is embedded into the axis of the gear ring (72) and is connected with the axis through a bearing, rotating wheels (75) are coaxially fixed at the front end and the rear end of the rotating drum (74) at the front end and the rear end, and a second push-pull rod (710) is hinged to the front side close to the edge surface of the rotating wheel (75) at the front side;
the locking rods (79) are arranged in two groups, are arranged in parallel and symmetrically in front and back, are installed on the floating frame (1), and the output ends of the locking rods are hinged on the outer side wall of the rotating shaft (73) between the rotating drum (74) on one side close to the center and the rotating drum (74) on the outer side;
the I-shaped lock wheel (78) comprises a guide clamping wheel and a sliding column, the sliding column penetrates through the strip-shaped guide rail (77) and the arc-shaped guide rail (76) and is connected with the inner wall of the guide rail in a sliding manner, and the front end and the rear end of the sliding column are connected and provided with the guide clamping wheel through bearings;
the damping device (2) comprises:
the guide rods (21) are transversely arranged and configured into three groups, buffer boxes (22) are arranged between every two adjacent guide rods (21), the left ends of the guide rods (21) close to the left side and the center are embedded into the right ends of the corresponding buffer boxes (22) and are connected in a sliding mode, horizontal clamping blocks (23) are arranged at the right ends of the guide rods (21), the left ends of the guide rods (21) close to the center are fixed with the right ends of the left buffer boxes (22), the two groups of horizontal clamping blocks (23) are connected with the inner walls of the right ends of the corresponding buffer boxes (22) through buffer springs (24), and the left ends and the right ends of the guide rods (21) close to the right side are fixed to the right ends of the right buffer boxes (22) and the side wall of the floating frame (1) respectively;
the lower end of the buffering monitoring plate (25) is hinged to the left end of the guide rod (21) on the left side, the upper end of the buffering monitoring plate is hinged to the left end of the resetting elastic rod (26), and the right end of the resetting elastic rod (26) is hinged to the horizontal clamping block (23) on the right side;
the left end and the right end of the adjusting telescopic rod (27) are respectively hinged on the left horizontal clamping block (23) and the rear rotating wheel (75) corresponding to the hinged end of the front push-pull rod II (710);
the left end and the right end of the first push-pull rod (28) are respectively hinged on the right horizontal fixture block (23) and the rotating shaft (73);
the submerging and surfacing device (6) comprises:
the arc plate clamping frame (61) is sleeved on the outer side wall of the upright post (3), a transverse guide ring seat (62) is installed in the middle of the arc plate clamping frame, and a frequency monitor (65) is installed on the ring wall on the inner side of the guide ring seat (62);
the submerged buoy (63) is embedded into the guide ring seat (62) and is connected in a vertical sliding mode, and a third push-pull rod (67) is coaxially fixed at the lower end of the submerged buoy;
the sensing ring pieces (64) are arranged into three groups, are arranged on the outer side wall of the submersible buoy (63), and are used for numbering and dividing the outer side wall of the sensing ring pieces (64) into four groups;
a longitudinal auxiliary clamping strip (66) is arranged on the side wall of one side, close to the arc plate clamping frame (61), of the submerged buoy (63), and the auxiliary clamping strip (66) is connected with the arc plate clamping frame (61) in a sliding mode;
the damping device (5) comprises:
the weight boxes (51) are configured into a plurality of groups, the adjacent weight boxes (51) are connected in series through free telescopic columns, each group is independently connected with the lower end of the corresponding push-pull rod III (67), the weight box (51) is positioned at the top, an auxiliary guide column (54) is fixed on the central surface of the upper end of the weight box (51), and the auxiliary guide column (54) is embedded into the upright column (3) and is in sliding connection;
a damping ball (52) disposed within the weight box (51);
the damping rods (53) are arranged on the inner side wall of the weight box (51), and the inner side ends of the damping rods are fixed on the outer side of the damping ball (52);
and the guide seat (55) is installed at the lower end of the upright post (3), an auxiliary guide ring seat is fixed on the outer side of the guide seat, and the auxiliary guide ring seat is sleeved on the outer side of the push-pull rod III (67).
2. A vibration damping apparatus for a wave current excited undersea buoyant structure according to claim 1, wherein: the first steel cable (4) and the buffer device (2) are arranged correspondingly, and the inclined angle of the first steel cable and the vertical included angle of the first steel cable are close to a 45-degree inclined line.
3. A vibration damping device for a wave current excited undersea buoyant structure according to claim 2, wherein: the second steel cable (8) is arranged corresponding to the submerging and floating device (6), and the inclined angle of the second steel cable and the vertical included angle of the second steel cable are close to a 75-degree inclined line.
4. A vibration damping apparatus for a wave current excited undersea buoyant structure according to claim 1, wherein: and a telescopic adjusting module is arranged on the adjusting telescopic rod (27).
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