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CN-122009389-A - Combined shared anchoring foundation and mooring adjusting method

CN122009389ACN 122009389 ACN122009389 ACN 122009389ACN-122009389-A

Abstract

The invention discloses a combined shared anchoring foundation and a mooring adjusting method, which comprises a base, a shared anchoring adjusting mechanism, a flexible connecting assembly, a self-adaptive fixing mechanism and a protection mechanism, wherein the shared anchoring adjusting mechanism is arranged at the upper end of the base and is used for synchronously adjusting pretightening force of a plurality of floating fan mooring ropes, the shared anchoring adjusting mechanism comprises a plurality of anchoring blocks distributed along the circumferential direction of the base and an integrated transmission unit for driving all the anchoring blocks to synchronously lift, the integrated transmission unit is used for driving the plurality of anchoring blocks to synchronously and vertically displace along the same axis, the self-adaptive fixing mechanism is arranged at the bottom of the base and comprises a suction anchor and a spherical hinge connecting assembly, the spherical hinge connecting assembly is used for connecting the base and the suction anchor to form a self-adaptive angle adjusting structure, the flexible connecting assembly is correspondingly arranged on the surfaces of the anchoring blocks to realize multi-angle flexible connection of the mooring ropes and the anchoring blocks, and the protection mechanism is covered outside a power output end of the integrated transmission unit and has functions of shared anchoring, synchronous adjustment and self-adaptive seabed and anti-corrosion protection.

Inventors

  • ZHANG PEI
  • CAO FENGLI
  • XU XIAOSEN
  • HU FANGXIN
  • SONG YIMING

Assignees

  • 江苏科技大学
  • 南通振华重型装备制造有限公司

Dates

Publication Date
20260512
Application Date
20260304

Claims (10)

  1. 1. The combined type shared anchoring foundation is characterized by comprising a base (1), a shared anchoring adjusting mechanism (2), a flexible connecting assembly (3), a protection mechanism (4) and a self-adaptive fixing mechanism (5); The shared anchoring adjusting mechanism (2) is arranged at the upper end of the base (1) and is used for synchronously adjusting the pretightening force of the mooring ropes of a plurality of floating fans, and comprises a plurality of anchoring blocks (25) distributed along the circumferential direction of the base (1) and an integrated transmission unit for driving all the anchoring blocks (25) to synchronously lift, wherein the integrated transmission unit drives the plurality of anchoring blocks (25) to synchronously and vertically displace along the same axis; The self-adaptive fixing mechanism (5) is arranged at the bottom of the base (1) and comprises a suction anchor (51) and a spherical hinge connecting assembly, wherein the spherical hinge connecting assembly is used for connecting the base (1) and the suction anchor (51) to form a self-adaptive angle adjusting structure; the flexible connecting components (3) are correspondingly arranged on the surfaces of the anchoring blocks (25) and are used for realizing multi-angle flexible connection of the mooring ropes and the anchoring blocks (25); the protection mechanism (4) is covered outside the power output end of the integrated transmission unit.
  2. 2. The combined type shared anchoring foundation according to claim 1, wherein the integrated transmission unit comprises a supporting cylinder (28), a moving cylinder (24) and a power driving assembly, the supporting cylinder (28) is vertically fixed at the top center of the base (1), the moving cylinder (24) is coaxially sleeved outside the supporting cylinder (28), the plurality of anchoring blocks (25) are uniformly distributed along the circumferential direction of the moving cylinder (24) and fixedly connected with the moving cylinder (24), the power driving assembly is arranged inside the supporting cylinder (28), and the moving cylinder (24) is driven to axially lift along the supporting cylinder (28) to drive all the anchoring blocks (25) to synchronously displace.
  3. 3. The combined type shared anchoring foundation according to claim 2, wherein the power driving assembly comprises a motor (22), a screw rod (21) and a moving disc (23), the motor (22) is fixed on the inner side of the bottom of the supporting cylinder (28), one end of the screw rod (21) is in driving connection with the motor (22), the other end of the screw rod extends along the axial direction of the supporting cylinder (28), the moving disc (23) is in threaded fit with the screw rod (21) and is in sliding connection with the supporting cylinder (28), the periphery of the moving disc (23) is fixedly connected with the inner wall of the moving cylinder (24), and when the motor (22) drives the screw rod (21) to rotate, the moving disc (23) drives the moving cylinder (24) to synchronously lift.
  4. 4. The combined type shared anchoring foundation according to claim 1, wherein the spherical hinge connecting assembly comprises a round seat (54) fixed at the top of the suction anchor (51) and a ball seat (55) fixed at the bottom of the base (1), the ball seat (55) is of an integrated structure of a ball head and a connecting rod, the ball head is movably embedded in the round seat (54), a rubber ring (56) is fixedly embedded in the inner wall of the round seat (54), and the rubber ring (56) is tightly attached to the surface of the ball head of the ball seat (55).
  5. 5. The combined type shared anchoring foundation according to claim 1, wherein the flexible connecting assembly (3) comprises a movable block (32) rotatably sleeved outside the anchoring block (25) and a telescopic rod (33) fixedly connected with the movable block (32), the movable block (32) is limited in rotation with the anchoring block (25) through a main anchoring shaft (31), and an elastic buffer piece is arranged in the telescopic rod (33).
  6. 6. The combined type shared anchoring foundation according to claim 1, wherein the protection mechanism (4) comprises a sleeve (41), a connecting ring (42) and a threaded ring (43), the sleeve (41) is covered outside the power output end, the connecting ring (42) is fixed at the bottom of the sleeve (41), the threaded ring (43) is fixed at the top of the supporting cylinder (28), and the connecting ring (42) is in threaded connection with the threaded ring (43).
  7. 7. The combined type shared anchoring foundation according to claim 2, wherein an annular sealing cylinder (26) is fixedly arranged at the top of the base (1) around the supporting cylinder (28), an annular movable groove (27) is formed in the lower portion of the moving cylinder (24), and the upper end of the sealing cylinder (26) is inserted into the movable groove (27).
  8. 8. The combined type shared anchoring foundation according to claim 1, wherein a plurality of annular T-shaped plates (57) are uniformly distributed on the outer wall of the suction anchor (51) along the axial direction, a through pipe (52) is arranged at the top of the suction anchor (51), and the through pipe (52) is communicated with the inside of the suction anchor (51).
  9. 9. The combined type shared anchoring foundation according to claim 1, wherein a plurality of reinforcing plates (6) are arranged on the top of the base (1) around the moving cylinder (24), annular fixing plates (7) are fixed on the tops of the reinforcing plates (6) together, the reinforcing plates (6) and the fixing plates (7) form a reinforcing supporting structure, and gaps between adjacent reinforcing plates (6) are in sliding fit with the side faces of the anchoring blocks (25).
  10. 10. A mooring adjustment method based on a modular shared anchoring foundation according to any of claims 1-9, characterized by the steps of: 1) The foundation installation, namely, the suction anchor (51) is lowered to a target seabed, the suction anchor (51) is adsorbed and fixed on the seabed by vacuumizing, and the spherical hinge connecting assembly is used for self-adaptively adjusting the angle so as to keep the base (1) horizontal; 2) Initial adjustment, namely driving all the anchoring blocks (25) to synchronously lift through a shared anchoring adjustment mechanism, and adjusting to a preset initial height; 3) Mooring connection, namely correspondingly mounting mooring ropes of a plurality of floating fans to each anchoring block (25) through a flexible connecting component (3), and adjusting the telescopic length and angle of the flexible connecting component (3) to balance the initial tension of each mooring rope; 4) Dynamic adjustment, namely monitoring tension data of each mooring rope in real time, and driving all the anchoring blocks (25) to synchronously lift through a shared anchoring adjustment mechanism when the tension exceeds a preset range, so as to dynamically balance pretightening force of each mooring rope; 5) And the foundation is recovered, namely the suction anchor (51) is decompressed through a valve (53), and the whole foundation is recovered by lifting after the internal and external pressures are balanced.

Description

Combined shared anchoring foundation and mooring adjusting method Technical Field The invention relates to an anchoring foundation and a mooring adjustment method, in particular to a combined shared anchoring foundation and a mooring adjustment method. Background A mooring system of a floating wind turbine generator is a core for guaranteeing stable operation of a wind turbine platform, in the prior art, a layout mode of a single wind turbine corresponding to an independent anchoring foundation is adopted, and the floating wind turbine generator has the technical defects that firstly, the anchoring foundation is distributed, so that the occupied area of a seabed is large, the ecological disturbance is obvious, the construction cost is high, the wind turbine large-scale development requirement cannot be met, secondly, the traditional anchoring foundation lacks an integrated synchronous regulating mechanism, the tension of each mooring cable cannot be uniformly balanced, uneven load distribution is easily caused due to sea condition change, the wind turbine platform is caused to shake, thirdly, the anchoring foundation is in rigid connection with the seabed, the adaptability is poor during the surface installation of the complicated and uneven seabed, the local stress concentration is easy to cause structural damage, fourthly, the core regulating component lacks a targeted sealing anti-corrosion design, the anchoring foundation is easy to erode in the marine environment, the long-term reliability is insufficient, and thirdly, the mooring cable and the anchoring block are in rigid connection, so that the multi-angle stress requirement cannot be adapted, and the shock resistance is weak. In the prior art, although a part of anchoring structure improvement scheme exists, the shared anchoring integrated design of a plurality of fans is not realized, and the cooperative problem of synchronous tension adjustment, complex seabed self-adaption and core component corrosion prevention is not solved, so that the bottleneck of the traditional technology cannot be fundamentally broken through. Therefore, developing a combined foundation with functions of shared anchoring, synchronous regulation, self-adaptive seabed and corrosion protection becomes a key technical requirement in the field. Disclosure of Invention The invention aims to provide a combined shared anchoring foundation and a mooring adjusting method, which have the functions of shared anchoring, synchronous adjustment, self-adaptive seabed and corrosion protection. The technical scheme is that the self-adaptive anchoring device comprises a base, a shared anchoring adjusting mechanism, a flexible connecting assembly, a self-adaptive fixing mechanism and a protection mechanism; The shared anchoring adjusting mechanism is arranged at the upper end of the base and is used for synchronously adjusting the pretightening force of the mooring ropes of a plurality of floating fans, and the shared anchoring adjusting mechanism comprises a plurality of anchoring blocks distributed along the circumferential direction of the base and an integrated transmission unit for driving all the anchoring blocks to synchronously lift, and the integrated transmission unit drives the plurality of anchoring blocks to synchronously and vertically displace along the same axis so as to realize uniform dynamic balance of pretightening force of each mooring rope; The self-adaptive fixing mechanism is arranged at the bottom of the base and comprises a suction anchor and a spherical hinge connecting assembly for connecting the base and the suction anchor, and the spherical hinge connecting assembly forms a self-adaptive angle adjusting structure, so that the base can flexibly rotate relative to the suction anchor and is adapted to the surface of a complex and uneven seabed; The flexible connecting components are correspondingly arranged on the surfaces of the anchoring blocks and are used for realizing multi-angle flexible connection of the mooring ropes and the anchoring blocks; the protection mechanism covers the outside of the power output end of the integrated transmission unit to form a sealed anti-corrosion protection structure. The integrated transmission unit comprises a supporting cylinder, a moving cylinder and a power driving assembly, wherein the supporting cylinder is vertically fixed at the center of the top of the base, the moving cylinder is coaxially sleeved outside the supporting cylinder, a plurality of anchoring blocks are uniformly distributed along the circumferential direction of the moving cylinder and fixedly connected with the moving cylinder, the power driving assembly is arranged inside the supporting cylinder, and the moving cylinder is driven to axially lift along the supporting cylinder so as to drive all the anchoring blocks to synchronously displace. The power driving assembly comprises a motor, a screw rod and a moving disc, wherein the motor is fixed on the in