CN115675768A - Offshore wind power anti-storm floating foundation - Google Patents
Offshore wind power anti-storm floating foundation Download PDFInfo
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- CN115675768A CN115675768A CN202211577189.1A CN202211577189A CN115675768A CN 115675768 A CN115675768 A CN 115675768A CN 202211577189 A CN202211577189 A CN 202211577189A CN 115675768 A CN115675768 A CN 115675768A
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- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- 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
Abstract
The invention provides an offshore wind-resistance wind wave floating foundation, which effectively solves the problem that the floating foundation is damaged due to the fact that rod pieces connected with floating barrels are bent and deformed possibly when the rod pieces receive large internal force because the existing floating foundation is large in swing amplitude when being loaded on the sea; including the floating foundation, the floating foundation constitute by a first keg float and two second keg floats, the equal fixedly connected with base in bottom of first keg float and second keg float, the axle center department of first keg float and second keg float all is equipped with the guide cylinder that communicates with each other with the base, the inside coaxial fixedly connected with internal thread section of thick bamboo of guide cylinder of first keg float, every the inside coaxial fixedly connected with fixed axle of guide cylinder of second keg float, the inside threaded connection of internal thread section of thick bamboo has inside hollow threaded rod, the top of threaded rod is rotated and is connected with and places the fan.
Description
Technical Field
The invention relates to the technical field of offshore wind power, in particular to an offshore wind power anti-wind wave floating foundation.
Background
At present, a floating wind power foundation is mainly of a traditional steel structure, but due to the fact that the marine environment is severe, the floating foundation can be subjected to coupling effects of a plurality of loads during use, such as wind loads, wave loads, ocean current loads, sea ice loads and the like, the loads can have large impact on the floating foundation, when the floating foundation is subjected to large impact, large swing amplitude can be caused, rod pieces connected to floating barrels can be subjected to large internal force, when the floating foundation is subjected to large impact force, the rod pieces of the floating barrels can be bent and deformed, the floating foundation is damaged, and safety and durability of the foundation structure are affected;
and appear under precipitation increase messenger horizontal plane rapid rising's the condition when typhoon or storm weather appear, the wave that can make the appearance is great, and the wave load under this condition is also great, and at this moment support the unable shrink of member of fan, can only keep standing state, when the wave hits to support the fan, can make the member that supports the fan bear more wave load.
Therefore, the invention provides a wind and wave resistant floating foundation for offshore wind power to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides an offshore wind-resistant storm floating foundation, which effectively solves the problem that the floating foundation is damaged due to the fact that the rod pieces of floating barrels are possibly bent and deformed due to the fact that the rod pieces connected with the floating barrels receive large internal force when the existing floating foundation is subjected to large swinging amplitude when being loaded on the sea.
The invention relates to an offshore wind-power wind-wave-resistant floating foundation which comprises a floating foundation, wherein the floating foundation consists of a first floating barrel and two second floating barrels, the bottom ends of the first floating barrel and the second floating barrel are fixedly connected with a base, the axle centers of the first floating barrel and the second floating barrel are respectively provided with a guide barrel communicated with the base, the inside of the guide barrel of the first floating barrel is coaxially and fixedly connected with an internal thread barrel, the inside of the guide barrel of each second floating barrel is coaxially and fixedly connected with a fixed shaft, the inside of the internal thread barrel is in threaded connection with an internal hollow threaded rod, the top end of the threaded rod is rotatably connected with a placing fan, the top ends of the internal thread barrel and the fixed shaft and the outside bottom ends of the two second floating barrels and the base of the first floating barrel are coaxially and fixedly connected with fixed barrels, the outer side of each fixed barrel is sleeved with a diagonal rod, each diagonal rod consists of two supporting rods, a damping shell is arranged between each two same side supporting rods, and a triangular plate is arranged between the three damping shells at the top end and the bottom end of the foundation;
the inner side of the internal thread cylinder is coaxially and rotatably connected with a transmission shaft in sliding connection with the inner side of the threaded rod, a clamping groove is formed in the threaded rod, a clamping block matched with the clamping groove is arranged at one end, located in the threaded rod, of the transmission shaft, a first gear which is coaxially and fixedly connected with the transmission shaft is rotatably connected to the inner side of the base at the bottom end of the first floating barrel, a fixed column which is attached to the outer wall of the first floating barrel is fixedly connected to the top end of the outer portion of the base of the first floating barrel, a transmission cylinder is rotatably connected to the inner side of the fixed column, the bottom end of the transmission cylinder extends into the base of the first floating barrel and is coaxially and fixedly connected with a second gear which is meshed with the first gear, a spiral rod is screwed to the inner side of each transmission cylinder, an annular rod is vertically and slidably connected to the outer side of the first floating barrel, and the bottom end of the annular rod is fixedly connected with the top end of the spiral rod;
the top end of the triangular plate at the bottom end of the floating foundation is fixedly connected with a lifting sensing device at one side far away from the first floating barrel, and the lifting sensing device drives the annular rod to lift through the change of the water level.
Preferably, first keg float and second keg float shape and size communicate with each other and are equilateral triangle and arrange, first keg float all is equipped with cavity, every with the inside bottom of second keg float the equal fixedly connected with in top of cavity is the three backup pad that the circular array distributes, every the backup pad all is located between keg float inner wall and the guide cylinder outer wall, every the cavity top is located and all is equipped with the notch between two backup pads, the equal fixedly connected with pressure sensor in top of first keg float notch.
Preferably, the threaded rod and the transmission shaft slide up and down, the number of the fixing columns is three, and the three fixing columns are distributed in an annular array.
Preferably, the floating foundation comprises three fixed cylinders and a guide cylinder, wherein the three fixed cylinders are fixedly connected with the guide cylinder through buffer springs which are coaxially and fixedly connected with an internal thread cylinder, the top end of each supporting plate is fixedly connected with a sliding groove, each sliding groove is connected with a sliding block in a sliding manner, the top end of each sliding block extends out of the sliding groove and is hinged with a connecting rod, one end, away from the sliding block, of each connecting rod is hinged with the top end of each buffer spring, and one side, away from the guide cylinder, of each sliding block is fixedly connected with a first spring.
Preferably, the angle between the two support rods of each diagonal rod is sixty degrees, one side of each damping shell, which is close to the center of the floating foundation, is connected with one corner of the triangular plate, one end of each diagonal rod, which is far away from the fixed cylinder, is fixedly connected with a fixing plate, one side of each fixing plate, which is close to the fixed cylinder, is located on the left side and the right side of each support rod and is fixedly connected with a second spring, each second spring slides in the damping shell along with the fixing plate, and one side of each fixing plate, which is far away from the fixed cylinder, is fixedly connected with a fixing seat;
every be located in the damping shell and all install the spring shell between two fixed plates, every the equal horizontal sliding connection in inside of spring shell has the connector, every the flexible post of equal fixedly connected with between two inside connectors of spring shell, every the outside of flexible post is located equal fixedly connected with third spring between two connectors, every the connector all with fixing base threaded connection.
Preferably, a trapezoidal plate is fixedly connected to one side, away from the first floating barrel, of the top end of a triangular plate at the bottom end of the floating foundation, a first induction sheet and a second induction sheet are fixedly connected to one side, close to the center of the triangular plate, of inclined surfaces on two sides of the trapezoidal plate, a first induction sheet and a second induction sheet are fixedly connected to one side, close to the center of the triangular plate, of the inclined surfaces on two sides of the trapezoidal plate, the first induction sheet is located right below the second induction sheet and keeps a certain distance, one side, with a pointed end, of the trapezoidal plate is located away from the center of the triangular plate, a first guide groove is formed in one side, away from the center of the triangular plate, of the first guide groove, a first guide rod is fixedly connected to one side, away from the center of the triangular plate, and a first floating plate penetrated by the first guide rod is vertically and slidably connected in the first guide groove;
one side fixedly connected with drive power supply that the set-square top of floating basis bottom is close to first keg float, drive power supply's top rotates and is connected with the transmission lead screw, transmission lead screw outside threaded connection has the slip shell, the inside sliding connection of slip shell has the one end of keeping away from the slip shell and annular pole fixed connection's slide bar.
Preferably, the both sides inclined plane of trapezoidal plate is close to the equal fixedly connected with in one end at set-square center and the trapezoidal plate most advanced parallel place the board, every the center of placing the board all has seted up the second guide way with the most advanced same height department of trapezoidal plate, every the equal fixedly connected with second guide bar in one side at set-square center is kept away from to the second guide way, every sliding connection has the second kickboard that is run through by the second guide bar about all in the second guide way, every all be connected with the telescopic link between second kickboard and the first kickboard.
According to the invention, by arranging the floating foundation, the driving power supply, the threaded rod and the annular rod, the first floating plate and the second floating plate are driven to ascend simultaneously by utilizing the ascending of a horizontal plane, when the first floating plate ascends to the position of the second induction sheet along with the horizontal plane, the driving power supply provides power for the transmission lead screw, the transmission lead screw rotates to drive the sliding shell to ascend, so that the sliding rod drives the annular rod to move upwards, when the annular rod ascends, the spiral rod is pulled to ascend, the transmission cylinder rotates to drive the second gear to rotate, the first gear drives the transmission shaft to extend into the clamping groove and drive the threaded rod to rotate simultaneously, the transmission shaft rotates to drive the threaded rod to move upwards and downwards in the inner threaded cylinder, when the annular rod ascends along with the sliding shell, the transmission shaft drives the threaded rod to descend, when the annular rod ascends to the top end of the notch on the first floating cylinder, the pressure sensor is extruded, the driving power supply stops driving, and after the annular rod descends, the threaded rod can be prevented from being broken due to large waves, and when the first floating plate descends, the threaded rod contacts the first induction sheet again, and the threaded rod reversely rotates; the effectual floating foundation that has solved is great at the condition that typhoon or storm weather caused the great messenger water level rapid rise of precipitation, and the wave load is great, and the unable shrink of member of supporting the fan, can make the member bear more wave load when the wave hits to supporting the fan.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a schematic view of the connection of a first floating plate and a second floating plate according to the present invention.
FIG. 3 is a schematic view of a damping spring according to the present invention.
FIG. 4 is a schematic view of the inside of the trapezoidal plate of the present invention.
Fig. 5 is a schematic view of the interior of the base of the first pontoon according to the invention.
Fig. 6 is a schematic view of the inside of the damping shell according to the present invention.
FIG. 7 is a schematic view of the interior of the first pontoon according to the invention.
Fig. 8 is a schematic cross-sectional view of a first pontoon according to the invention.
Fig. 9 is a schematic cross-sectional view of the guide cylinder of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 9. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The invention relates to an offshore wind-driven wind-wave-resistant floating foundation, which comprises a floating foundation, wherein the floating foundation consists of a first floating barrel 1 and two second floating barrels 2, the bottom ends of the first floating barrel 1 and the second floating barrel 2 are fixedly connected with a base 3, the axle centers of the first floating barrel 1 and the second floating barrel 2 are respectively provided with a guide barrel 12 communicated with the base 3, the interior of the guide barrel 12 of the first floating barrel 1 is coaxially and fixedly connected with an internal thread barrel 4, the interior of the guide barrel 12 of each second floating barrel 2 is coaxially and fixedly connected with a fixed shaft 7, the interior of the internal thread barrel 4 is in threaded connection with an internally hollow threaded rod 5, the top end of the threaded rod 5 is rotatably connected with a placement fan 6, the top ends of the internal thread barrel 4 and the fixed shaft 7 and the bottom ends of the two second floating barrels 2 and the base 3 of the first floating barrel 1 are respectively coaxially and fixedly connected with a fixed shaft 8, the outer side of each fixed barrel 8 is sleeved with a diagonal rod 9, each diagonal rod 9 consists of two diagonal rods, the bottom ends of each two same-side supporting rods are respectively provided with a triangular damping shell 10, and three damping shells are respectively mounted between the top ends of the floating shells 10 of the same side of the base 1 and the base 1; the triangular plate 11 not only can help to fix the damping shell 10, but also can help the damping shell 10 to resist lateral impact load, so that the diagonal bar 9 is prevented from bending or deforming under the impact of the lateral load, and meanwhile, the triangular plate 11 at the bottom end of the floating foundation also provides a fixed supporting foundation for a subsequent structure;
a transmission shaft 17 which is connected with the inside of the threaded rod 5 in a sliding manner is coaxially and rotatably connected to the inside of the internal thread cylinder 4, a clamping groove 18 is formed in the threaded rod 5, a clamping block matched with the clamping groove 18 is arranged at one end, located inside the threaded rod 5, of the transmission shaft 17, a first gear 19 which is coaxially and fixedly connected with the transmission shaft 17 is rotatably connected to the inside of the base 3 at the bottom end of the first floating barrel 1, a fixing column 20 which is attached to the outer wall of the first floating barrel 1 is fixedly connected to the top end of the outside of the base 3 of the first floating barrel 1, a transmission cylinder 21 is rotatably connected to the inside of the fixing column 20, the bottom end of the transmission cylinder 21 extends into the base 3 of the first floating barrel 1 and is coaxially and fixedly connected with a second gear 22 which is meshed with the first gear 19, a spiral rod 23 is connected to the inside of each transmission cylinder 21, an annular rod 24 is vertically and slidably connected to the outside of the first floating barrel 1, and the bottom end of the annular rod 24 is fixedly connected with the top end of the spiral rod 23;
the top end of the triangular plate 11 at the bottom end of the floating foundation is fixedly connected with a lifting sensing device at one side far away from the first floating barrel 1, and the lifting sensing device drives the annular rod 24 to lift through the change of the water level.
In the specific implementation of the embodiment, the floating foundation is connected with a base which is arranged in advance by a rope, and in the initial state, the threaded rod 5 rises to the highest value in the internal thread cylinder 4; when the precipitation rapidly rises in typhoon or storm weather, the horizontal plane also rises, the annular rod 24 is moved upwards by the induction of the lifting induction device to the water surface, when the annular rod 24 rises, the screw rods 23 are pulled to rise, the thread pitches among the surface threads of the three screw rods 23 are larger, the screw rods 23 can drive the transmission cylinder 21 to rotate by pulling when the annular rod 24 rises, the self-locking can not occur, the transmission cylinder 21 can only rotate but can not move up and down due to the limit of the fixed column 20, the transmission cylinder 21 rotates due to the rising of the screw rods 23 because of threaded connection, the transmission cylinder 21 rotates to drive the second gear 22 to rotate, thereby driving the first gear 19 to rotate, the thread directions of the three screw rods 23 are the same when the three screw rods 23 are installed, when the annular rod 24 rises, the three screw rods 23 rise simultaneously, because the screw thread direction of rotation is the same, just can the same turn to of second gear 22 when hob 23 rises to make three second gear 22 drive first gear 19 simultaneously and rotate, realize that threaded rod 5 goes up and down in interior thread section of thick bamboo 4, first gear 19 rotates and drives transmission shaft 17, transmission shaft 17 stretch into draw-in groove 18 and can drive threaded rod 5 rotation in the pivoted simultaneously, because threaded rod 5 and interior thread section of thick bamboo 4 threaded connection, so can drive threaded rod 5 and reciprocate in interior thread section of thick bamboo 4 at transmission shaft 17 rotation, when annular rod 24 rises, transmission shaft 17 drives threaded rod 5 and descends, and after threaded rod 5 descends, alright avoid the too big threaded rod 5 that makes the support fan bear more wave load, and when the water level descends, thereby annular rod 24 descends and makes first gear 19 reversal, makes threaded rod 5 rise.
In the second embodiment, on the basis of the first embodiment, in order to realize that the threaded rod 5 cannot rotate inside the internal threaded cylinder 4 when the threaded rod 5 rotates inside the internal threaded cylinder 4, so that the threaded rod 5 rises, the embodiment provides a guide cylinder 12, specifically, the first floating bucket 1 and the second floating bucket 2 are communicated in shape and size and arranged in an equilateral triangle, the bottom ends inside the first floating bucket 1 and the second floating bucket 2 are respectively provided with a cavity 13, the top end of each cavity 13 is fixedly connected with three support plates 14 distributed in an annular array, each support plate 14 is positioned between the inner wall of the floating bucket and the outer wall of the guide cylinder 12, a notch 15 is arranged between the two support plates 14 above each cavity 13, and the top end of the notch 15 of the first floating bucket 1 is fixedly connected with a pressure sensor 16; the notches 15 on the first floating bucket 1 and the second floating bucket 2 can be communicated with the outside, so that water entering the floating buckets is discharged.
In the third embodiment, on the basis of the first embodiment, in order to realize that the annular rod 24 ascends to drive the first gear 19 to rotate, so that the threaded rod 5 rotates to ascend, the present embodiment provides a transmission structure, specifically, the threaded rod 5 and the transmission shaft 17 slide up and down, the number of the fixed columns 20 is three, and the three fixed columns 20 are distributed in an annular array; first gear 19 rotate and drive transmission shaft 17, transmission shaft 17 stretch into draw-in groove 18 and can drive threaded rod 5 in the pivoted and rotate, because threaded rod 5 and internal thread section of thick bamboo 4 threaded connection, so rotate at transmission shaft 17 and can drive threaded rod 5 and reciprocate in internal thread section of thick bamboo 4, when annular pole 24 rises along with slip shell 39, transmission shaft 17 drives threaded rod 5 and descends, can extrude pressure sensor 16 when annular pole 24 rises to notch 15 top on the first flotation tank 1, drive power supply 37 stops the drive, and after threaded rod 5 descends, alright avoid the too big threaded rod 5 that makes the support fan bear more wave load.
Fourth embodiment, on the basis of the first embodiment, in order to achieve the effect of buffering and damping when an impact is received on the floating foundation, in this embodiment, a buffering spring 25 coaxially and fixedly connected with the internal threaded cylinder 4 is fixedly connected between the three fixed cylinders 8 at the top end of the floating foundation and the guide cylinder 12, a sliding groove 26 is fixedly connected to the top end of each supporting plate 14, a sliding block 27 is slidably connected inside each sliding groove 26, the top end of each sliding block 27 extends out of the sliding groove 26 and is hinged to a connecting rod 28, one end of each connecting rod 28, which is far away from the sliding block 27, is hinged to the top end of the buffering spring 25, and a first spring 29 is fixedly connected to one side of each sliding block 27, which is far away from the guide cylinder 12; when the wave slaps down the striking from floating basis top, can make fixed cylinder 8 extrude buffering spring 25 downwards, buffering spring 25 receives the extrusion shrink, and the top can extrude connecting rod 28, is that connecting rod 28 drives slider 27 and slides in spout 26, and first spring 29 also can help slider 27 to cushion, through the double shock attenuation of first spring 29 and buffering spring 25, reduces the impact that floating basis received.
Fifth embodiment, on the basis of the first embodiment, in order to achieve that when impact is received between three floating barrels, buffering and shock absorption can be performed, and damage conditions between rod pieces are reduced, so this embodiment provides a damping shell 10, specifically, an angle between two support rods of each diagonal rod 9 is sixty degrees, one side of each damping shell 10, which is close to the center of the floating foundation, is connected to one angle of a triangular plate 11, one end of each diagonal rod 9, which is far away from a fixed cylinder 8, is fixedly connected to a fixed plate 30, one side of each fixed plate 30, which is close to the fixed cylinder 8, is located on both left and right sides of the support rod and is fixedly connected to a second spring 31, each second spring 31 slides in the damping shell 10 along with the fixed plate 30, and one side of each fixed plate 30, which is far away from the fixed cylinder 8, is fixedly connected to a fixed seat 32;
a spring shell 33 is installed between the two fixing plates 30 in each damping shell 10, a connector 34 is connected inside each spring shell 33 in a left-right sliding manner, a telescopic column 35 is fixedly connected between the two connectors 34 inside each spring shell 33, a third spring 36 is fixedly connected between the two connectors 34 on the outer side of each telescopic column 35, and each connector 34 is in threaded connection with the fixing seat 32; when collision occurs among the three floating barrels, the spring shell 33 in the damping shell 10 is extruded, so that the two connectors 34 extrude the third spring 36 towards the center of the spring shell 33, the telescopic columns 35 can help the two connectors 34 extrude the third spring 36 without dislocation, and the second spring 31 can also help the fixing plate 30 to buffer when colliding against the inner wall of the damping shell 10, so that the double-damping effect is achieved.
Sixth embodiment, on the basis of the first embodiment, in order to realize that the horizontal plane changes and drives the placing fan 6 to ascend and descend, the present embodiment provides a combined structure, specifically, a trapezoidal plate 41 is fixedly connected to one side, away from the first floating bucket 1, of the top end of the triangular plate 11 at the bottom end of the floating foundation, a first sensing piece 45 and a second sensing piece 46 are fixedly connected to one side, close to the center of the triangular plate 11, of the inclined surfaces at two sides of the trapezoidal plate 41, the first sensing piece 45 is located right below the second sensing piece 46 and keeps a certain distance, one side, which is at the tip end of the trapezoidal plate 41, is located away from the center of the triangular plate 11, a first guide groove 42 is arranged on one side, which is at the tip end of the trapezoidal plate 41, a first guide rod 43 is fixedly connected to one side, away from the center of the triangular plate 11, and a first floating plate 44, which is penetrated by the first guide rod 43, is slidably connected in the first guide groove 42 up and down;
one side, close to the first floating barrel 1, of the top end of the triangular plate 11 at the bottom end of the floating foundation is fixedly connected with a driving power supply 37, the top end of the driving power supply 37 is rotatably connected with a transmission screw rod 38, the outer side of the transmission screw rod 38 is in threaded connection with a sliding shell 39, and the inside of the sliding shell 39 is in sliding connection with a sliding rod 40, one end, far away from the sliding shell 39, of which one end is fixedly connected with the annular rod 24; when the horizontal plane rises, the first floating plate 44 and the second floating plate 50 are driven to rise simultaneously, when the first floating plate 44 rises to the position of the second sensing piece 46 along with the horizontal plane, the driving power supply 37 provides power for the transmission screw rod 38, the transmission screw rod 38 rotates to drive the sliding shell 39 to rise, the sliding shell 39 rises to drive the sliding rod 40 to rise so as to drive the annular rod 24 to move upwards, when the annular rod 24 rises, the screw rod 23 can be pulled to rise, the transmission cylinder 21 is limited by the fixed column 20 and can only rotate but cannot move upwards and downwards, the screw rod 23 rises to enable the transmission cylinder 21 to rotate due to threaded connection, and the transmission cylinder 21 rotates to enable the second gear 22 to rotate, so that the first gear 19 is driven to rotate.
Seventh embodiment, on the basis of the sixth embodiment, in order to realize that the driving power supply works when the sea water surging amplitude is large, in this embodiment, a combined structure is provided, specifically, one end of each of the inclined surfaces of the two sides of the trapezoidal plate 41, which is close to the center of the triangular plate 11, is fixedly connected with a placing plate 47 parallel to the tip end of the trapezoidal plate 41, a second guide groove 48 is formed in the center of each placing plate 47 at the same height as the tip end of the trapezoidal plate 41, a second guide rod 49 is fixedly connected to one side of each second guide groove 48, which is far away from the center of the triangular plate 11, a second floating plate 50 penetrated by the second guide rod 49 is vertically slidably connected in each second guide groove 48, a telescopic rod 51 is connected between each second floating plate 50 and the first floating plate 44, the three floating plates cannot move synchronously, when the telescopic rods 51 are not at the same level, the three floating plates are limited, and the seawater surging is prevented from causing the first floating plate 44 to rise and contact with the sensing plate.
When the floating type floating barrel is used specifically, the floating foundation is connected with a base which is arranged in advance through a rope, in an initial state, the threaded rod 5 rises to the highest value in the internal thread barrel 4, and the annular rod 24 is positioned at the lowest part in the notch 15 of the first floating barrel 1; when the precipitation rapidly rises in typhoon or storm weather, the horizontal plane also rises along with the rising of the precipitation, so that the first floating plate 44 and the second floating plate 50 are driven to rise simultaneously, when the first floating plate 44 rises to the position of the second induction sheet 46 along with the horizontal plane, the driving power supply 37 provides power for the driving screw rod 38, so that the driving screw rod 38 rotates to drive the sliding shell 39 to rise, the sliding shell 39 rises to drive the sliding rod 40 to rise, so that the annular rod 24 is driven to move upwards, when the annular rod 24 rises, the screw rod 23 is pulled to rise, the thread pitches among the surface threads of the three screw rods 23 are all larger, the screw rod 23 can be ensured to drive the driving cylinder to rotate through pulling when the annular rod 24 rises along with the annular rod 24 without self-locking, the driving cylinder 21 is limited by the fixed column 20 and can only rotate without moving up and down, the screw rod 23 rises to drive the driving cylinder 21 to rotate due to threaded connection, the transmission cylinder 21 rotates to enable the second gear 22 to rotate so as to drive the first gear 19 to rotate, the turning directions of threads are the same when the three spiral rods 23 are installed, when the annular rod 24 ascends, the three spiral rods 23 ascend simultaneously, because the turning directions of the threads are the same, the turning directions of the second gear 22 are the same when the spiral rods 23 ascend, so that the three second gears 22 drive the first gear 19 to rotate simultaneously, the lifting of the threaded rod 5 in the internal thread cylinder 4 is realized, the first gear 19 rotates to drive the transmission shaft 17, the transmission shaft 17 extends into the clamping groove 18 to limit the clamping block through the close fit of the clamping block and the clamping groove 18, the clamping block and the clamping groove 18 can only slide up and down, so that the transmission shaft 17 can drive the threaded rod 5 to rotate while rotating, and because the threaded rod 5 is in threaded connection with the internal thread cylinder 4, the transmission shaft 17 can drive the threaded rod 5 to move up and down in the internal thread cylinder 4, when the shape rod 24 rises to the topmost end of the notch 15 on the first floating barrel 1, the pressure sensor 16 is extruded, the driving power supply 37 stops driving, and after the threaded rod 5 descends, the situation that the threaded rod 5 supporting the fan bears more wave load due to too large waves can be avoided, when the water level descends, the first floating plate 44 descends to contact the first sensing piece 45 again, and when the first sensing piece 45 is contacted for the second time, the threaded rod 5 ascends when the transmission screw rod 38 rotates reversely; when seawater surges, the first floating plate 44 and the second floating plate 50 rise unstably, the three floating plates cannot move synchronously, and when the three floating plates are not at the same level, the telescopic rod 51 can limit the three floating plates, so that the seawater surges are avoided to enable the first floating plate 44 to rise to contact with the induction sheet; when collision occurs among three floating buckets, the spring shell 33 in the damping shell 10 is extruded, so that the two connectors 34 extrude the third spring 36 towards the center of the spring shell 33, the telescopic column 35 can help the two connectors 34 extrude the third spring 36 without dislocation, the second spring 31 can also help the fixing plate 30 to buffer when colliding against the inner wall of the damping shell 10, and the double damping effect is achieved, the triangular plate 11 not only can help the fixing damping shell 10 to fix but also can help the damping shell 10 to resist lateral impact load, bending or deformation of the diagonal bar 9 under impact of the lateral load is avoided, meanwhile, the triangular plate 11 at the bottom end of the floating foundation also provides a fixed supporting foundation for the driving power supply 37, when waves collide from the top of the floating foundation, the fixing cylinder 8 can downwards extrude the buffer spring 25, when the buffer spring 25 contracts due to extrusion, the top end can extrude the connecting rod 28, the connecting rod 28 drives the sliding block 27 to slide in the sliding groove 26, the first spring 29 can also help the sliding block 27 to buffer, the double damping effect that the floating bucket 1 on the first floating bucket and the floating bucket 2 can be communicated with the outside.
Claims (7)
1. An offshore wind-power storm-resistant floating foundation comprises a floating foundation and is characterized in that the floating foundation consists of a first floating barrel (1) and two second floating barrels (2), the bottom ends of the first floating barrel (1) and the second floating barrel (2) are fixedly connected with a base (3), the axial centers of the first floating barrel (1) and the second floating barrel (2) are both provided with a guide cylinder (12) communicated with the base (3), an internal thread cylinder (4) is coaxially and fixedly connected inside the guide cylinder (12) of the first floating barrel (1), a fixed shaft (7) is coaxially and fixedly connected inside the guide cylinder (12) of each second floating barrel (2), the internal thread of the internal thread cylinder (4) is connected with a threaded rod (5) with a hollow inner part, the top end of the threaded rod (5) is rotationally connected with a placing fan (6), the top ends of the internal thread cylinder (4) and the fixed shaft (7) and the outer bottom ends of the two second floating barrels (2) and the base (3) of the first floating barrel (1) are coaxially and fixedly connected with a fixed barrel (8), the outer side of each fixed barrel (8) is sleeved with a diagonal rod (9), each diagonal rod (9) is composed of two supporting rods, a damping shell (10) is arranged between each two supporting rods on the same side, triangular plates (11) are arranged between the three damping shells (10) at the top end and the bottom end of the floating foundation;
a transmission shaft (17) which is connected with the inside of the threaded rod (5) in a sliding manner is coaxially and rotatably connected to the inside of the internal thread cylinder (4), a clamping groove (18) is formed in the threaded rod (5), a clamping block matched with the clamping groove (18) is arranged at one end, located inside the threaded rod (5), of the transmission shaft (17), a first gear (19) which is coaxially and fixedly connected with the transmission shaft (17) is rotatably connected to the inside of the base (3) at the bottom end of the first floating barrel (1), a fixing column (20) which is attached to the outer wall of the first floating barrel (1) is fixedly connected to the top end of the outside of the base (3) of the first floating barrel (1), a transmission cylinder (21) is rotatably connected to the inside of the fixing column (20), the bottom end of the transmission cylinder (21) extends into the base (3) of the first floating barrel (1) and is coaxially and fixedly connected with a second gear (22) which is meshed with the first gear (19), a screw rod (23) is threadedly connected to the inside of each transmission cylinder (21), an annular rod (24) is vertically and is fixedly connected to the top end of the screw rod (23);
the top end of a triangular plate (11) at the bottom end of the floating foundation is fixedly connected with a lifting sensing device at one side far away from the first floating barrel (1), and the lifting sensing device drives the annular rod (24) to lift through the change of the water level.
2. The offshore wind and wave resistant floating foundation according to claim 1, wherein the first floating bucket (1) and the second floating bucket (2) are communicated in shape and size and arranged in an equilateral triangle, cavities (13) are arranged at the bottom ends of the inner parts of the first floating bucket (1) and the second floating bucket (2), three supporting plates (14) distributed in an annular array are fixedly connected to the top end of each cavity (13), each supporting plate (14) is arranged between the inner wall of the floating bucket and the outer wall of the guide cylinder (12), a notch (15) is arranged between the two supporting plates (14) above each cavity (13), and a pressure sensor (16) is fixedly connected to the top end of the notch (15) of the first floating bucket (1).
3. The offshore wind-resistance wind-wave floating foundation according to claim 1, wherein the threaded rod (5) and the transmission shaft (17) slide up and down, three fixed columns (20) are provided, and the three fixed columns (20) are distributed in an annular array.
4. The offshore wind-resistant and wave-resistant floating foundation according to claim 1, wherein buffer springs (25) which are coaxially and fixedly connected with the internally threaded cylinders (4) are fixedly connected between the three fixed cylinders (8) and the guide cylinders (12) at the top end of the floating foundation, a sliding groove (26) is fixedly connected at the top end of each supporting plate (14), a sliding block (27) is slidably connected inside each sliding groove (26), the top end of each sliding block (27) extends out of the sliding groove (26) and is hinged with a connecting rod (28), one end, away from the sliding block (27), of each connecting rod (28) is hinged with the top end of each buffer spring (25), and a first spring (29) is fixedly connected to one side, away from the guide cylinders (12), of each sliding block (27).
5. The offshore wind-resistant wind-wave-resistant floating foundation according to claim 1, wherein the angle between two supporting rods of each diagonal rod (9) is sixty degrees, one side of each damping shell (10) close to the center of the floating foundation is connected with one corner of a triangular plate (11), one end of each diagonal rod (9) far away from a fixed cylinder (8) is fixedly connected with a fixed plate (30), one side of each fixed plate (30) close to the fixed cylinder (8) is positioned at the left side and the right side of the supporting rod and is fixedly connected with second springs (31), each second spring (31) slides in the damping shell (10) along with the fixed plate (30), and one side of each fixed plate (30) far away from the fixed cylinder (8) is fixedly connected with a fixed seat (32);
every be located in damping shell (10) and all install spring shell (33), every between two fixed plates (30) the inside equal horizontal sliding connection of spring shell (33) has connector (34), every equal fixedly connected with post (35) that stretches out and draws back between two connectors (34) inside spring shell (33), every the outside of flexible post (35) is located equal fixedly connected with third spring (36) between two connectors (34), every connector (34) all with fixing base (32) threaded connection.
6. The lifting sensing device according to claim 1, wherein a trapezoidal plate (41) is fixedly connected to one side of the top end of the triangular plate (11) at the bottom end of the floating foundation, which is far away from the first floating bucket (1), a first sensing piece (45) and a second sensing piece (46) are fixedly connected to one side of the trapezoidal plate (41), which is close to the center of the triangular plate (11), of the inclined surfaces at two sides, the first sensing piece (45) is positioned right below the second sensing piece (46) and keeps a certain distance, one side of the trapezoidal plate (41), which is at the tip end, is positioned far away from the center of the triangular plate (11), a first guide groove (42) is formed in one side of the trapezoidal plate (41), which is at the tip end, a first guide rod (43) is fixedly connected to one side of the first guide groove (42), and a first floating plate (44), which is penetrated by the first guide rod (43), is slidably connected in the first guide groove (42) up and down;
one side fixedly connected with drive power supply (37) that set square (11) top of floating basis bottom is close to first keg float (1), the top of drive power supply (37) is rotated and is connected with transmission lead screw (38), transmission lead screw (38) outside threaded connection has slide shell (39), the inside sliding connection of slide shell (39) has one end of keeping away from slide shell (39) and slide bar (40) of annular pole (24) fixed connection.
7. The offshore wind-driven wind-wave and wind-wave resisting floating foundation as claimed in claim 6, wherein one end of each inclined surface of the two sides of the trapezoidal plate (41) close to the center of the triangular plate (11) is fixedly connected with a placing plate (47) parallel to the pointed end of the trapezoidal plate (41), a second guide groove (48) is formed in the center of each placing plate (47) and the position of the pointed end of the trapezoidal plate (41) at the same height, a second guide rod (49) is fixedly connected to one side, away from the center of the triangular plate (11), of each second guide groove (48), a second floating plate (50) penetrated by the second guide rod (49) is slidably connected into each second guide groove (48), and a telescopic rod (51) is connected between each second floating plate (50) and the first floating plate (44).
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| CN202211577189.1A CN115675768B (en) | 2022-12-09 | 2022-12-09 | Wind wave resistant floating foundation for offshore wind power |
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| CN202211577189.1A CN115675768B (en) | 2022-12-09 | 2022-12-09 | Wind wave resistant floating foundation for offshore wind power |
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| CN115675768B (en) | 2023-04-28 |
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