CN209870675U - Suction anchoring mooring device and composite structure thereof - Google Patents
Suction anchoring mooring device and composite structure thereof Download PDFInfo
- Publication number
- CN209870675U CN209870675U CN201822167844.1U CN201822167844U CN209870675U CN 209870675 U CN209870675 U CN 209870675U CN 201822167844 U CN201822167844 U CN 201822167844U CN 209870675 U CN209870675 U CN 209870675U
- Authority
- CN
- China
- Prior art keywords
- anchor
- auxiliary
- suction
- main
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Revetment (AREA)
Abstract
The utility model belongs to the technical field of marine anchor, in particular to suction anchor mooring apparatus and composite construction thereof. The device comprises a main suction anchor, a main anchor chain and an anchoring connecting piece; the object to be anchored is connected to the upper end of the anchoring connecting piece; the auxiliary anchor chain also comprises at least 2 auxiliary suction anchors which are fixedly connected with the lower ends of the auxiliary anchor chains; the upper end of the auxiliary anchor chain is fixedly connected to the middle upper part of the main anchor chain, and the length of the auxiliary anchor chain is greater than the linear distance between the two fixed connecting ends of the auxiliary anchor chain; the upper middle parts of the auxiliary anchor chains are connected in series by the belts to form an annular connecting device for assisting the anchoring and limiting the drift range of the anchored object. The multiple groups of the devices are connected together and used for mooring multiple groups of anchored objects and mutually restraining to form a stable composite mooring structure with a controllable drifting range. The utility model discloses the device can deal with complicated ocean extreme operating mode, makes whole mooring structure device firmly connect the upper strata and is anchored the object, increases the upper strata by the stationarity of anchor object to guarantee the safe operation of marine operation.
Description
Technical Field
The utility model belongs to the technical field of marine anchor, in particular to suction anchor mooring apparatus and composite construction thereof.
Background
In order to effectively solve the increasingly serious problems of energy shortage and environmental deterioration, the vigorous development of a novel energy conversion technology is imperative. The wave transduction has the advantages of no pollution, large reserve, good quality (appearing in the form of mechanical energy) and the like, so that the wave transduction has potential and becomes a novel transduction technology. One of the core problems of the wave transduction technology is to effectively utilize an anchoring mooring structure to ensure that an upper layer floating transduction system can be safely operated under the condition of complex sea conditions.
The method is particularly suitable for application of suction anchoring foundations due to the fact that thick soft clay is deposited in coastal sea areas of China; and the suction anchor combines an anchor chain or a cable to form an anchor mooring structure due to the advantages of convenient installation, material saving, reutilization and the like, and provides reliable anchor support for normal operations of a far-sea floating oil and gas exploitation flexible platform in conventional ocean engineering, a floating fan platform in novel energy development and the like.
However, the existing mooring devices for anchoring by suction still have some disadvantages, such as: (1) only a single taut anchor chain is considered to connect the upper floating body structure (floating wave energy conversion system); (2) in the face of complex ocean extreme working conditions, the motion form of an upper layer anchored object under the action of wave load becomes complex and changeable, so that the force transmission mechanism of the anchor chain structure has real-time variables, and the existing mooring structure device is difficult to cope with the complex conditions.
In order to better develop the research of the wave transduction technology, a mooring structure device capable of coping with complex and extreme ocean conditions needs to be developed. The utility model aims at researching and developing a novel suction anchor mooring device, and composite construction thereof, it is firm to make the anchor of upper floating transduction system to can be at the safe operation under the complicated sea condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel suction anchor mooring device and suction anchor mooring device composite construction. By adopting the device, the integral structure of the mooring system for connecting the upper layer anchored object has safety in various operations on the sea. Including security safeguards that may be applied to the overall structure of the floating transduction system.
The utility model adopts the technical proposal as follows:
a suction anchoring mooring device comprises a main suction anchor fixedly arranged on a seabed foundation, wherein a main anchor chain is fixedly connected above the main suction anchor, the upper end of the main anchor chain is fixedly connected with an anchoring connecting piece, and an anchoring object to be moored is fixedly connected to the anchoring connecting piece; the device is characterized by also comprising at least 2 auxiliary suction anchors arranged around the main suction anchor, wherein each auxiliary suction anchor is also embedded into a seabed foundation and is fixedly connected with an auxiliary anchor chain, and the upper end of the auxiliary anchor chain is fixedly connected to the middle upper part of the main anchor chain; the length of the auxiliary anchor chain is larger than the linear distance between two fixed end points of the auxiliary anchor chain.
The suction anchoring mooring device further comprises annular connecting members, wherein the annular connecting members are respectively connected with the auxiliary anchor chains surrounding the main anchor chains, are positioned at the middle upper parts of the auxiliary anchor chains and are annular.
The annular connecting member is one of a chain or a cable.
The anchoring connector is a valve positioner.
A composite structure of a suction anchoring mooring device comprises a plurality of main suction anchors which are separately arranged, a main anchor chain is fixedly connected above each main suction anchor, the upper end of each main anchor chain is fixedly connected with an anchoring connecting piece, and an anchoring object to be moored is fixedly connected to each anchoring connecting piece; the device is characterized in that each main suction anchor is also connected with auxiliary anchor chains the number of which is matched with that of the adjacent main suction anchors, and the upper ends of the auxiliary anchor chains are fixedly connected to the middle upper parts of the corresponding adjacent main anchor chains fixedly connected with the main suction anchors; the length of the auxiliary anchor chain is greater than the linear distance between two fixed end points of the auxiliary anchor chain; an annular connecting member connecting the sub-anchor chains around one of the main anchor chains in an annular shape; the connecting position is positioned at the middle upper part of the auxiliary anchor chain.
And adjacent annular connecting components are fixedly connected through a connecting belt.
The connecting band is one of an anchor chain or a cable.
The utility model has the advantages that: the main anchor chain and the auxiliary anchor chain are used jointly, so that the suction anchoring mooring device can deal with both calm sea conditions and extreme sea conditions. Under the normal operation condition, only the main anchor chain plays a role, and the auxiliary anchor chain is in a loose state; for extreme sea conditions, the primary anchor chain and the secondary anchor chain can jointly play a role; meanwhile, the existence of the annular connecting member can limit the floating range of the anchored object, and a plurality of auxiliary anchor chains can act simultaneously to carry load. The utility model discloses a suction anchor mooring device can also make up the use, and the multiunit that moors is held down by the anchor object mutually, forms firm large-scale mooring structure. Simultaneously the utility model discloses still have simple structure, convenient to detach and convenient operation's advantage.
Drawings
FIG. 1 is a schematic front view of the structure of the device of the present invention;
FIG. 2 is a schematic front view of the device structure of the present invention with an annular connecting member;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a schematic elevation view of a composite structure of a suction anchor mooring.
Wherein: 1. anchored object 2, anchoring connecting piece 3, main anchor chain 4, auxiliary anchor chain 5, main suction anchor 6, auxiliary suction anchor 7, seabed foundation (suction anchor anchoring foundation) 8, annular connecting component 9 and connecting belt
Detailed Description
The suction anchoring mooring device comprises a main suction anchor 5 embedded into a seabed foundation 7, a main anchor chain 3 is fixedly connected onto the main suction anchor 5, and an anchoring connecting piece 2 is fixedly connected to the upper end of the main anchor chain 3; the anchoring connecting piece 2 is fixedly connected with an object 1 to be anchored; the anchoring connector may be any conventional secure connector, and in this embodiment is a valve positioner. At the same time, the device also comprises at least 2 auxiliary suction anchors 6 surrounding the main suction anchor 5; the auxiliary suction anchor 6 is also embedded into the seabed foundation 7, and the lower end of the auxiliary anchor chain 4 is fixedly connected onto the auxiliary suction anchor; the upper end of the auxiliary anchor chain 4 is fixedly connected to a position above the middle part of the main anchor chain 3; the length of the auxiliary anchor chain 4 is larger than the linear distance between two fixed end points of the auxiliary anchor chain 4. The connection mode is to realize loose connection, so that only the main anchor chain plays a role when the wind is calm; when the sea state is complicated, the object 1 to be anchored drifts, and 1 or several auxiliary anchor chains 4 and the main anchor chain 3 are simultaneously tightened to pull the object 1 to be anchored.
The suction anchoring mooring arrangement further comprises an annular connection member 8. The annular connecting member 8 is positioned at the middle upper portion of the auxiliary chain 4, and fixedly connects the auxiliary chain 4 around the main chain 3 in series. On one hand, the auxiliary anchor chains 4 are used for simultaneously acting to carry load, and on the other hand, the anchored object 1 can drift within a controllable range through mutually restraining the auxiliary anchor chains 4 to form a stable mooring structure.
The utility model discloses a suction anchor mooring device can also warp, uses in combination, forms suction anchor mooring device composite construction by the combination of monomer suction anchor mooring device.
The composite structure of the mooring device for anchoring by suction comprises a plurality of main suction anchors 5 which are separately arranged, and are generally distributed in an array. The main anchor chain 3 is fixedly connected above each main suction anchor 5, the upper end of each main anchor chain 3 is fixedly connected with the anchoring connecting piece 2, and the anchoring objects 1 which are moored are fixedly connected onto the anchoring connecting pieces 2, so that a plurality of anchored objects 1 can be anchored simultaneously in one working area. Each main suction anchor 5 is also connected with auxiliary anchor chains 4 the number of which is matched with that of the adjacent main suction anchors 5, and the upper ends of the auxiliary anchor chains 4 are fixedly connected to the middle upper parts of the corresponding adjacent anchor chains 3 which are fixedly connected with the main suction anchors 5; the length of the auxiliary anchor chain 4 is greater than the linear distance between two fixed end points of the auxiliary anchor chain 4; the annular connecting member 8 connects the auxiliary anchor chains 4 surrounding one of the main anchor chains 3 in an annular shape; the position of the connection is located at the middle upper part of the auxiliary anchor chain 4.
In this way, a net-like suction anchoring mooring device is finally formed, anchoring a plurality of objects 1 to be anchored at the same time. In a composite structure of the suction anchoring mooring device, the number and the arrangement of the auxiliary anchor chains 4 and the annular connecting members 8 can be set according to specific conditions or at intervals. The position of the hook of the annular connecting member 8 on the auxiliary anchor chain 4 and the position of the fixed hanging of the auxiliary anchor chain 4 on the main anchor chain 3 are determined by the drift range of the object 1 to be anchored to be controlled; the more the drift range of the object 1 to be anchored is reduced, the more the auxiliary anchor chain 4 is fixedly hung on the upper position of the main anchor chain 3, and the more the length of the annular connecting member 8 is reduced. The specific length of each part needs to be comprehensively considered according to actual needs.
The composite structure of the suction anchoring mooring device can be stably connected with the floating energy conversion system anchored on the upper layer in the face of complex and extreme ocean working conditions, has a certain drift distance and cannot influence each other, thereby ensuring the safety of offshore operation. Floating transduction systems are typically used simultaneously for several systems. Therefore, it is required to moor a plurality of systems at the same time. During the operation of a plurality of floating energy conversion systems, each floating energy conversion system needs to keep a certain drift distance to achieve the maximum collection of energy; and the distance is controllable, so that mutual collision is avoided. Therefore, there is a need for such a reticulated suction anchor mooring composite structure.
The following description, with reference to the accompanying drawings 1 to 3, specifically describes the realization of the single suction anchoring mooring device of the present invention when the anchored object 1 is a floating energy conversion system:
in the embodiment, the anchored object 1 is a floating energy conversion system which is a point oscillation float type wave energy conversion mechanism and comprises a float energy collecting system, a mechanical energy storage system and a generator power generation system.
The anchoring connector 2, i.e. the valve positioner, is made of steel fairleads.
The main anchor chain 3 and the auxiliary anchor chain 4 are both made of light composite materials.
The main suction anchor 5 and the auxiliary suction anchor 6 are both inverted bucket foundations made of steel or concrete.
The endless connecting member 8 is also selected from the same anchor chains as the main anchor chains 3 and the sub anchor chains 4.
The seabed foundation (suction anchor foundation) 7 is a seabed with thick offshore silt in China.
The following description, with reference to fig. 4, specifically describes the implementation of the composite structure of the suction anchoring mooring apparatus of the present invention in the case where the object 1 to be anchored is a plurality of floating energy conversion systems:
in this embodiment, the composite structure of the suction anchoring mooring device needs to moor a plurality of floating energy conversion systems (anchored objects 1) which float on the sea surface and are arranged in an array, wherein the systems comprise a float energy collecting system, a mechanical energy storage system and a generator generating system.
The anchoring connector 2, i.e. the valve positioner, is made of steel fairleads.
The main anchor chain 3 and the auxiliary anchor chain 4 are both made of light composite materials.
The main suction anchor 5 and the auxiliary suction anchor 6 are both inverted bucket foundations made of steel or concrete.
The endless connecting member 8 and the connecting link 9 are also the same anchor chains as the main anchor chain 3 and the sub anchor chain 4.
The seabed foundation 7 (suction anchor anchoring foundation) is a seabed with thick offshore silt in China.
Every 5 floating transducer systems (anchored objects 1) are grouped, one of them is used as center, and the other four are arranged around with radius R. Correspondingly, 5 main suction anchors 5 are embedded into the seabed foundation 7; the lower end of the main anchor chain 3 is fixedly connected with a main suction anchor 5, and the upper end is fixedly connected with a valve positioner (an anchoring connecting piece 2); the valve positioner is fixedly connected with a floating energy conversion system (an anchored object 1).
Each main suction anchor 5 is also connected with an auxiliary anchor chain 4 with the number matched with that of the adjacent main suction anchors 5, and the upper end of the auxiliary anchor chain 4 is fixedly connected to the middle upper part of the corresponding adjacent main anchor chain 3 fixedly connected with the main suction anchors 5; the length of the auxiliary anchor chain 4 is greater than the linear distance between two fixed end points of the auxiliary anchor chain 4; the annular connecting member 8 connects the sub-anchor chains 4 surrounding one main anchor chain 3 in an annular shape with a radius r; the position of the connection is located at the middle upper part of the auxiliary chain 4.
Each group has a ring-shaped connecting member with a radius r, and adjacent ring-shaped connecting members are fixedly connected by a connecting belt 9. In actual use, the connection bands 9 may be provided at intervals and set in a relaxed state.
Thus, in the whole composite structure of the suction anchoring mooring device, the load of the floating energy conversion system (the anchored object 1) dragged by each main suction anchor 5 can be simultaneously shared by the main anchor chains 3 and the auxiliary anchor chains 4 dragged by a plurality of main suction anchors. Meanwhile, due to the reasonable arrangement of the annular connecting members 8 and the binding effect of the connecting belts 9 on the adjacent annular connecting members 8, the drift distance of the floating transducer system (the anchored object 1) is controllable.
The composite structure of the suction anchoring mooring device forms a structure capable of simultaneously anchoring a plurality of floating energy conversion systems. The structure allows the maximum drift distance of each monomer of the floating energy conversion system to be within a controllable range, and meets the technical requirements that the floater mainly generates heaving motion and does not generate excessive horizontal drift in the wave energy power generation process. And because the plurality of suction anchoring bases and the plurality of anchor chains are used for sharing the wave force applied to the upper-layer floater in a cooperative manner, and the additional annular member is reasonably arranged, the load under severe sea conditions can be effectively distributed to other main anchor chains and auxiliary anchor chains, the drift distance is controllable, the whole system has higher safety reserve, and each floating energy conversion system cannot collide even in turbulent flow and is kept at the safety distance.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described specific embodiments. The particular embodiments described above are illustrative only and not limiting. Those skilled in the art can make many substantially identical devices without departing from the spirit of the invention and the scope of the appended claims, all of which are within the scope of the invention.
Claims (7)
1. A suction anchoring mooring device comprises a main suction anchor (5) fixedly arranged on a seabed foundation (7), a main anchor chain (3) is fixedly connected above the main suction anchor (5), an anchoring connecting piece (2) is fixedly connected to the upper end of the main anchor chain (3), and an anchoring object (1) to be moored is fixedly connected to the anchoring connecting piece (2); the mooring structure device is characterized by further comprising at least 2 auxiliary suction anchors (6) arranged around the main suction anchor (5), wherein each auxiliary suction anchor (6) is also embedded into the seabed foundation (7) and is fixedly connected with an auxiliary anchor chain (4), and the upper ends of the auxiliary anchor chains (4) are fixedly connected to the middle upper part of the main anchor chain (3); the length of the auxiliary anchor chain (4) is larger than the linear distance between two fixed end points of the auxiliary anchor chain (4).
2. The mooring arrangement according to claim 1, wherein the mooring arrangement further comprises annular connecting members (8), the annular connecting members (8) being connected to the secondary chains (4) around the main chain (3), respectively, and being located at the upper and middle portions of the secondary chains (4) in an annular shape.
3. The suction mooring of claim 2, wherein the annular connecting member (8) is one of a chain or a cable.
4. The suction anchor mooring of claim 1, wherein the anchor connection (2) is a valve positioner.
5. A composite structure of a suction anchoring mooring device comprises a plurality of main suction anchors (5) which are separately arranged, a main anchor chain (3) is fixedly connected above each main suction anchor (5), the upper ends of the main anchor chains (3) are fixedly connected with anchoring connecting pieces (2), and anchoring objects (1) to be moored are fixedly connected on the anchoring connecting pieces (2); the device is characterized in that each main suction anchor (5) is also connected with auxiliary anchor chains (4) the number of which is matched with that of the adjacent main suction anchors (5), and the upper ends of the auxiliary anchor chains (4) are fixedly connected to the middle upper parts of the corresponding adjacent main anchor chains (3) fixedly connected with the main suction anchors (5); the length of the auxiliary anchor chain (4) is greater than the linear distance between two fixed end points of the auxiliary anchor chain (4); an annular connecting member (8) connecting said secondary anchor chains (4) around one of said primary anchor chains (3) in an annular shape; the connecting position is positioned at the middle upper part of the auxiliary anchor chain (4).
6. The mooring of claim 5, wherein adjacent annular connecting members (8) are fixedly connected by a connecting strap (9).
7. The mooring of claim 6, wherein the connecting strap (9) is one of a chain or cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167844.1U CN209870675U (en) | 2018-12-21 | 2018-12-21 | Suction anchoring mooring device and composite structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167844.1U CN209870675U (en) | 2018-12-21 | 2018-12-21 | Suction anchoring mooring device and composite structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209870675U true CN209870675U (en) | 2019-12-31 |
Family
ID=68945510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822167844.1U Expired - Fee Related CN209870675U (en) | 2018-12-21 | 2018-12-21 | Suction anchoring mooring device and composite structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209870675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533202A (en) * | 2018-12-21 | 2019-03-29 | 天津大学 | A kind of suction anchoring mooring structure device |
-
2018
- 2018-12-21 CN CN201822167844.1U patent/CN209870675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533202A (en) * | 2018-12-21 | 2019-03-29 | 天津大学 | A kind of suction anchoring mooring structure device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4850190A (en) | Submerged ocean current electrical generator and method for hydrogen production | |
| US20200354022A1 (en) | Mooring system for drifting energy converters | |
| Johanning et al. | Mooring design approach for wave energy converters | |
| CN101400568B (en) | Mooring system | |
| KR20110041481A (en) | A system for mooring a floating plant for the production of energy from currents in water | |
| EP2110307B1 (en) | Mooring system | |
| CN201538418U (en) | Dragging assembly of a shallow draft windmill installation maintenance platform at a shallow water area | |
| CN102957346A (en) | Seaborne floating type solar photovoltaic power generation device | |
| CN103482026A (en) | Hybrid mooring system for ultra-deepwater floating structures and mooring method | |
| CN115023546A (en) | Closely interconnected wave energy collector system including self-orienting power take-off | |
| WO2022113103A1 (en) | System and method for mooring and anchoring of floating solar arrays on water surface | |
| CN209870675U (en) | Suction anchoring mooring device and composite structure thereof | |
| WO2018174348A1 (en) | Floating type offshore wind power generation plant | |
| WO2022013145A1 (en) | A mooring system for a plurality of floating units | |
| CN116812075A (en) | Floating single-column wind power platform mooring system | |
| Cross | Recent Developments at the US Navy Wave Energy Test Site. | |
| CN211287961U (en) | Ocean platform anchoring power generation system | |
| CN211442685U (en) | Splicing platform on water | |
| CN209636722U (en) | Floating breakwater structure | |
| KR101012085B1 (en) | Floating type waterpower generator | |
| CN109533202A (en) | A kind of suction anchoring mooring structure device | |
| WO2023040245A1 (en) | Mooring system | |
| WO2023040244A1 (en) | Mooring system | |
| Chatzigiannakou et al. | Mooring types of point absorbing wave energy converters | |
| Boo et al. | Preliminary design and analysis of mooring buoy for an arrayed WEC platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20201221 |