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CN-122013715-A - Negative poisson ratio type shock absorption breakwater connected by sharing mooring anchor and using method

CN122013715ACN 122013715 ACN122013715 ACN 122013715ACN-122013715-A

Abstract

The invention discloses a negative poisson ratio type damping breakwater connected by sharing mooring anchors and a using method thereof, wherein the mooring anchors and a plurality of floating boxes are connected by connecting parts, the floating boxes are formed into a side-by-side linear or rectangular array or circular closed loop structure, the adjacent floating boxes can be elastically buffered in space under the action of the connecting parts, each floating box is of a negative poisson ratio structure and internally provided with a bag body which is adhered to the inner wall of the floating box and can be elastically outwards, and the mooring anchors are connected below the floating boxes through anchor chains.

Inventors

  • ZHANG FEI
  • YAO YUHAO
  • SHU SHUANG
  • GUAN DAWEI
  • SUN YIFEI
  • CHEN SHUANG
  • ZENG SHUAI

Assignees

  • 河海大学

Dates

Publication Date
20260512
Application Date
20260210

Claims (9)

  1. 1. A negative poisson's ratio shock absorbing breakwater sharing a mooring anchor connection, comprising: A plurality of floating tanks (10) forming a side-by-side linear or rectangular array or circular closed-loop structure; the adjacent floating boxes (10) are connected through a connecting component (20); Each floating box body (10) is of a negative poisson ratio structure, and a bag body (11) which is adhered to the inner wall of the floating box body (10) and can stretch outwards is arranged in the floating box body; a mooring anchor (30) connected below the plurality of floating tanks (10) by anchor chains (31); Wherein, under the action of the connecting component (20), the adjacent floating boxes (10) can perform elastic buffering in space.
  2. 2. A negative poisson's ratio shock absorbing breakwater with shared mooring anchor connection according to claim 1, The floating box body (10) is of a hexagonal shell structure with the middle part concave inwards, and the connecting parts (20) are connected to four corners of the floating box body (10).
  3. 3. A negative poisson's ratio shock absorbing breakwater with shared mooring anchor connection according to claim 1, When the floating boxes (10) form a plurality of side-by-side linear structures, the floating boxes (10) in the linear structures and the floating boxes (10) in the adjacent linear structures are connected to the same mooring anchor (30); When the floating boxes (10) form a rectangular array structure, the floating boxes (10) in the same straight line are connected to the same mooring anchor (30), and the mooring anchors (30) are arranged side by side; when the plurality of floating tanks (10) form a circular closed loop structure, the center of the mooring anchor (30) coincides with the center of the circular closed loop.
  4. 4. A negative poisson's ratio shock absorbing breakwater with shared mooring anchor connection according to claim 1, The connecting part (20) has at least one connecting unit; the connecting unit is provided with a connecting rod (23), a pair of supporting plates (21) and an elastic piece (22); The elastic pieces (22) are arranged on the supporting plates (21) up and down, the supporting plates (21) are fixed on the corresponding floating box bodies (10), and two ends of the connecting rod (23) are fixedly connected to the middle parts of the adjacent elastic pieces (22).
  5. 5. A negative poisson's ratio shock absorbing breakwater with shared mooring anchor connection according to claim 1, Support rods (24) are arranged on the periphery of the floating box body (10); the connecting part (20) has at least one connecting unit; the connecting unit is provided with a supporting cylinder body (25), a supporting rod (26), a pair of elastic pieces (22) and a chain ring (27); A pair of chain rings (27) are movably sleeved on the adjacent supporting rods (24), limiting rings (28) for limiting the chain rings (27) are respectively arranged on two axial sides of each chain ring (27), each limiting ring (28) is threaded on each supporting rod (24), rod shoulders at one end of each supporting rod (26) are slidably positioned in the supporting cylinder (25), one end of each supporting rod extends to the outer side and is connected with one end of one chain ring (27), and one end of the other chain ring (27) is connected with one end of the supporting cylinder (25); a pair of elastic pieces (22) are positioned in the supporting cylinder body (25) and are respectively positioned at two sides of the pole shoulder of the pole support (26).
  6. 6. A negative poisson's ratio shock absorbing breakwater with shared mooring anchor connection according to claim 1, Support rods (24) are arranged on the periphery of the floating box body (10); the connecting part (20) has at least one connecting unit; The connecting unit is provided with a supporting cylinder body (25), a supporting rod (26), a pair of elastic pieces (22) and a winding cylinder; The rod shoulders at one end of the supporting rod (26) are slidably positioned in the supporting cylinder (25), and one end of the supporting rod extends to the outside; The pair of winding drums are fixed on the adjacent supporting rods (24) and can elastically wind the ropes, and the pair of ropes are respectively connected between one winding drum and the supporting rod (26) and between the other winding drum and the supporting cylinder (25) in a tightening state.
  7. 7. A negative poisson's ratio shock absorbing breakwater with shared mooring connection according to any of claims 1 to 6, A wave-preventing swing plate (40) is hinged and suspended below each floating box body (10) through a rigid traction rod (41); The weight of the wave-preventing swinging plate (40) is larger than that of the floating box body (10).
  8. 8. The shared mooring anchor connected negative poisson's ratio shock absorbing breakwater of claim 7, wherein, The upper end of the traction rod (41) is connected with the floating box body (10) through a universal joint.
  9. 9. A method of using a shared mooring anchor connected negative poisson's ratio shock absorbing breakwater according to claim 7, comprising the specific steps of: S1, splicing a plurality of floating boxes (10) with negative Poisson ratio structures to form a parallel linear or rectangular array or circular closed-loop structure according to the use environment, wherein adjacent floating boxes (10) are connected through a connecting component (20) to perform elastic buffering in space; a plurality of floating tanks (10) are connected to a mooring anchor (30) in a sharing way through anchor chains (31); S2, when receiving small waves, the floating box body (10) can shrink and deform transversely and longitudinally, so that stress distribution is more uniform, and the bag body (11) in the floating box body (10) is in a compressed state; when the floating type ocean wave energy storage device is subjected to medium-sized waves, the floating type ocean wave energy storage device is characterized in that when the floating type ocean wave energy storage device is subjected to medium-sized waves, the adjacent floating type ocean wave energy storage device (10) moves in a staggered mode relatively while being contracted and deformed, and the connecting parts (20) are repeatedly stretched and compressed, so that energy superposition and dissipation under the condition of medium-sized ocean waves are realized; when receiving large waves, the floating box body (10) contracts, deforms and moves in a relative dislocation mode, meanwhile, the wave-preventing swinging plate (40) connected below the floating box body (10) moves along with the floating box body (10), the moving response of the wave-preventing swinging plate (40) lags behind the floating box body (10), large-scale vortex shedding is induced, a large amount of energy is consumed through fluid friction, and the risk of damage to the breakwater due to large waves is reduced; Mooring anchors (30) connected below the plurality of floating tanks (10) to assist in resisting local impacts and improving anchoring performance by sharing nodes; S3, when the floating type box body (10) is subjected to micro waves, the floating type box body (10) is restored to an initial state under the action of the bag body (11) to jointly dissipate high-frequency low-energy waves.

Description

Negative poisson ratio type shock absorption breakwater connected by sharing mooring anchor and using method Technical Field The invention relates to a breakwater technology, belongs to the field of ocean engineering, and in particular relates to a negative poisson ratio type shock absorption breakwater connected by a shared mooring anchor and a use method. Background The floating breakwater is a protection facility floating on the sea surface, utilizes the motion of a floating body to interfere waves and consume energy, and has the functions of penetrating through multiple dimensions such as wave energy buffering, infrastructure protection, ocean resource utilization, ecological balance maintenance and the like, for example, in deep sea cultivation, the normal operation of a cultivation area is influenced by the waves greatly, the floating breakwater can provide shelter for a cultivation net cage group, the wind and wave load is obviously reduced, and the safety of cultivation equipment and the fish survival rate are improved; the existing traditional floating breakwater box units have the prominent problems of poor structural earthquake resistance and impact resistance, low wave energy dissipation efficiency, high cost of mooring systems, disordered layout and the like, and are difficult to meet the multifunctional requirements in complex marine environments; Specifically, from the perspective of wave elimination and structure protection, the conventional breakwater box body is mainly designed by adopting rigid connection or simple hinges, when the breakwater box body is subjected to wave impact with different periods and amplitudes, the fluctuation of different directions of the breakwater box body is concentrated at the connection position of the adjacent breakwater box bodies, the energy can be passively buffered only through self deformation of the connection position, the wave energy absorption efficiency is lower, fatigue fracture at the connection position is easily caused by long-term alternating load, especially under extreme working conditions such as typhoons, storm tides and the like, the local damage of the structure is often caused by the collision of the breakwater box body, the service life is obviously shortened, 2, the conventional independent mooring mode is required to be configured with an independent anchor chain for each unit, the underwater construction complexity and the material cost are increased, the anchor chain winding is easily caused due to relative displacement between units, the overall stability is reduced, and 3, the sea environment is complex, the conventional floating breakwater is lack or has a single shock absorption wave structure, so that the floating breakwater is not suitable for bearing the damage risk of the breakwater under the condition of bearing larger waves. Disclosure of Invention The invention aims to provide a negative poisson ratio type shock absorption breakwater connected by sharing mooring anchors, which has the advantages of simple structure, higher shock resistance, fracture resistance, structural toughness performance and longer service life, can effectively perform buffering and shock absorption, reduces the damage risk of the breakwater, and is suitable for different coastline shapes and various wave prevention requirements. To achieve the above object, the present invention provides a negative poisson's ratio shock absorbing breakwater connected by a shared mooring anchor, comprising: a plurality of floating boxes which form a side-by-side linear or rectangular array or a circular closed-loop structure; The adjacent floating boxes are connected through a connecting component; each floating box body is of a negative poisson ratio structure, and a bag body which is adhered to the inner wall of the floating box body and can stretch outwards is arranged in the floating box body; The mooring anchor is connected below the plurality of floating tanks through anchor chains; Wherein, under the effect of connecting piece, adjacent floating box can carry out the elasticity buffering in the space. In some examples of the invention, the floating tank is a hexagonal shell structure with a concave middle part, and the connecting parts are connected at four corners of the floating tank. In some examples of the invention, when a plurality of floating tanks form a plurality of side-by-side linear structures, the plurality of floating tanks in a linear structure are each connected to the same mooring anchor as the plurality of floating tanks in an adjacent linear structure; When the plurality of floating boxes form a rectangular array structure, the plurality of floating boxes in the same straight line are connected to the same mooring anchor, and the plurality of mooring anchors are arranged side by side; When a plurality of floating vessels form a circular closed loop structure, the center of the mooring anchor coincides with the center of the circular closed