CN105346677A - Folding type plate anchor and application method thereof - Google Patents
Folding type plate anchor and application method thereof Download PDFInfo
- Publication number
- CN105346677A CN105346677A CN201510762474.4A CN201510762474A CN105346677A CN 105346677 A CN105346677 A CN 105346677A CN 201510762474 A CN201510762474 A CN 201510762474A CN 105346677 A CN105346677 A CN 105346677A
- Authority
- CN
- China
- Prior art keywords
- anchor
- slabs
- mooring
- tie
- folding plate
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/30—Anchors rigid when in use
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Revetment (AREA)
Abstract
The invention relates to a folding type plate anchor and an application method thereof. The folding type plate anchor is characterized by comprising two anchor plate bodies, a triangular frame and a plurality of sets of supporting rods, wherein the triangular frame is located between the two anchor plate bodies and formed by sequentially hinging three connecting beams in an end-to-end manner, and the supporting rods are used for connecting the triangular frame and the two anchor plate bodies; each anchor plate body is in a trapezoid shape, and all the sets of supporting rods are arranged on one of the connecting beams of the triangular frame at intervals; and each set of supporting rods comprise the two supporting rods, one end of each supporting rod is rotationally connected with the corresponding connecting beam, the other end of each supporting rod is fixedly connected to the inner side of one anchor plate body, and the common end of the other two connecting beams located on the triangular frame is fixedly connected with one end of a mooring anchor chain.
Description
Technical field
The present invention relates to a kind of plate anchor and using method thereof, particularly about a kind of folding plate anchor and using method thereof.
Background technology
Floating platform is the important engineer equipment of exploitation ocean deepwater hydrocarbon resources, mostly adopts anchoring system to implement location at present.Along with the increase of operating water depth, traditional towing anchor due to holding power to weight ratio lower, positioning precision difference etc. reason, so Practical Project demand can not be met.Various new type of deep-water anchoring system continues to bring out in recent years, and wherein plate anchor bearing capacity is strong, and reliability is high and can bear uplift force, has succeeded at many deep water semi-submersible drilling platforms and FPSO (floating type production, storage and offloading device) and has applied.
But the main body due to plate anchor is one flat plate, therefore to enter stability in mud process poor, the distance that causes dragging of anchor during installation exercise is difficult to control, thus affects positioning precision.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of good stability and folding plate anchor easy for installation and using method thereof.
For achieving the above object, the present invention takes following technical scheme: a kind of folding plate anchor, it is characterized in that: it comprises two anchor slabs, one described in two between anchor slab and by three tie-beams head and the tail hinged triangular framing formed in turn, and many groups for connecting the strut bar of anchor slab described in described triangular framing and two; Anchor slab described in each is all arranged to trapezoidal, each group of described strut bar interval is arranged on described triangular framing tie-beam described in one of them, often organize described strut bar and include two strut bars, one end of strut bar described in each is all rotationally connected with described tie-beam, the other end is all fastenedly connected the inner side of anchor slab described in wherein, and the common end being positioned at tie-beam described in two other on described triangular framing is fastenedly connected a mooring anchor chain one end.
The point of connection of each described strut bar and described tie-beam is near the short base of anchor slab described in two.
Described triangular framing is right-angled triangle.
Anchor slab described in two adopts steel to make respectively.
Tie-beam described in each all adopts metal to make.
A kind of using method of folding plate anchor, it comprises the following steps: 1) first on the long base of two anchor slabs, be fastenedly connected a rope body, two anchor slabs are made to be in almost parallel state, two anchor slabs arrange a regenerative apparatus, regenerative apparatus comprises two anchor chains, a cable are connected two anchor chains and cable attaching parts with one, and one end of each anchor chain is all fastenedly connected the top near short base on an anchor slab wherein; 2) adopt tugboat or repair ship to drag mooring anchor chain to floating drilling platform, make two anchor slabs all be embedded into seabed earth desired depth, one ball float is set at the free end of cable; 3) continue to adopt tugboat or repair ship to pull mooring anchor chain, under the effect of seabed earth drag, rope body fracture between two anchor slabs, under seabed earth and the combined action of mooring pulling force, two strut bars often organizing strut bar all constantly open, and realize two anchor slabs by installing condition successively to intermediateness, loading condition transition; 4) control two anchor slabs open completely and be in same plane, mooring force increases suddenly, and the dilatory force continuing to increase tugboat or repair ship makes two anchor slabs be in more stable position in the earth of seabed; 5) another ball float is set at the free end of mooring anchor chain, after floating drilling platform is in place, utilizes loop wheel machine salvage the ball float of mooring anchor chain free end and carry out the connection of mooring anchor chain, tighten up mooring anchor chain afterwards, enter operating condition.
Described step 1) in the rope body that uses adopt nylon to make.
When reclaiming plate anchor after fulfiling assignment, adopt another tugboat or repair ship to salvage the ball float of cable ends, and draw cable to the direction away from floating platform, plate anchor is pulled out mud face, seabed, completes recovery.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to arranging two anchor slabs, one between two anchor slabs and by three tie-beams head and the tail hinged triangular framing formed in turn, and many groups for connecting the strut bar of triangular framing and two anchor slabs, therefore good stability in the process used, structure is simple and easy for installation.2, the present invention two anchor slab is arranged respectively to trapezoidal, is beneficial to two anchor slabs and is embedded in the earth of seabed along wedge angle bottom it.3, triangular framing of the present invention is right-angled triangle, is beneficial to and the present invention is embedded in the earth of seabed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the structural representation that the present invention is in installing condition
Fig. 3 is that the present invention mediates the structural representation of state
Fig. 4 is the structural representation that the present invention is in loading condition
Fig. 5 is structural representation in place after the present invention completes installation
Fig. 6 is the structural representation of connected floating drilling platform of the present invention when carrying out operation
Fig. 7 is the structural representation of the present invention when reclaiming
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention proposes a kind of folding plate anchor, it comprises two anchor slabs 1, between two anchor slabs 1 and by three tie-beams 2,3,4 head and the tail hinged triangular framing formed in turn, and many groups for connecting the strut bar 5 of triangular framing and two anchor slabs 1.Wherein, each anchor slab 1 is all arranged to trapezoidal, be beneficial to two anchor slabs 1 along its bottom wedge angle be embedded in the earth of seabed.Each group of strut bar 5 interval is arranged on one of them tie-beam 3 of triangular framing.Often organize strut bar 5 and include two strut bars 5, one end of each strut bar 5 is all rotationally connected with tie-beam 3, and the other end is all fastenedly connected the inner side of an anchor slab 1 wherein.The common end being positioned at other two tie-beams 2,4 on described triangular framing is fastenedly connected mooring anchor chain 6 one end.
In above-described embodiment, the point of connection of each strut bar 51 and tie-beam 3 is near the short base of two anchor slabs 1.
In above-described embodiment, triangular framing can be right-angled triangle, is beneficial to and is embedded in the earth of seabed by plate anchor.
In above-described embodiment, two anchor slabs 1 adopt steel to make respectively.
In above-described embodiment, each tie-beam 2,3,4 all adopts metal to make.
The invention allows for a kind of using method of folding plate anchor, it comprises the following steps:
1) first on the long base of two anchor slabs 1, a rope body 7 is fastenedly connected, almost parallel state is in make two anchor slabs 1, as shown in figs. 2 to 4, two anchor slabs 1 arrange a regenerative apparatus 8, regenerative apparatus 8 comprises two anchor chain 81, cables 82 are connected two anchor chains 81 and cable 82 attaching parts 83 with one, and one end of each anchor chain 81 is all fastenedly connected the top near short base on an anchor slab 1 wherein;
2) pre-installation is carried out to the present invention, adopt tugboat or repair ship to drag mooring anchor chain 6 to floating drilling platform 9, make two anchor slabs 1 all be embedded into seabed earth desired depth, a ball float is set at the free end of cable 82;
3) continue to adopt tugboat or repair ship to pull mooring anchor chain 6, under the effect of seabed earth drag, make the rope body between two anchor slabs 1 rupture, under seabed earth and the effect of mooring pulling force, two strut bars 5 often organizing strut bar 5 all constantly open, two anchor slabs 1 constantly open, and realize two anchor slabs 1 by installing condition successively to intermediateness, loading condition transition (as shown in figs. 2 to 4);
4) control two anchor slabs 1 open completely and be in same plane, mooring force increases suddenly, and the dilatory force continuing to increase tugboat or repair ship makes two anchor slabs 1 in the earth of seabed, be in more stable position (as shown in Figure 5);
5) another ball float is set at the free end of mooring anchor chain 6, after floating drilling platform 9 is in place, utilize the ball float of loop wheel machine salvaging mooring anchor chain 6 free end and carry out mooring anchor chain 6 and connect, tighten up mooring anchor chain 6 afterwards, enter operating condition (as shown in Figure 6);
6), when reclaiming the present invention, adopt another tugboat or repair ship 10 to salvage the ball float of cable 82 free end, and draw cable 82 to the direction away from floating drilling platform 9, the present invention is pulled out mud face, completes recovery (as shown in Figure 7).
In above-described embodiment, step 1) in rope body 7 adopt nylon to make.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connection mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. a folding plate anchor, it is characterized in that: it comprises two anchor slabs, one described in two between anchor slab and by three tie-beams head and the tail hinged triangular framing formed in turn, and many groups for connecting the strut bar of anchor slab described in described triangular framing and two; Anchor slab described in each is all arranged to trapezoidal, each group of described strut bar interval is arranged on described triangular framing tie-beam described in one of them, often organize described strut bar and include two strut bars, one end of strut bar described in each is all rotationally connected with described tie-beam, the other end is all fastenedly connected the inner side of anchor slab described in wherein, and the common end being positioned at tie-beam described in two other on described triangular framing is fastenedly connected a mooring anchor chain one end.
2. a kind of folding plate anchor as claimed in claim 1, is characterized in that: the point of connection of each described strut bar and described tie-beam is near the short base of anchor slab described in two.
3. a kind of folding plate anchor as claimed in claim 1, is characterized in that: described triangular framing is right-angled triangle.
4. a kind of folding plate anchor as claimed in claim 2, is characterized in that: described triangular framing is right-angled triangle.
5. a kind of folding plate anchor as claimed in claim 1 or 2 or 3 or 4, is characterized in that: anchor slab described in two adopts steel to make respectively.
6. a kind of folding plate anchor as claimed in claim 1 or 2 or 3 or 4, is characterized in that: tie-beam described in each all adopts metal to make.
7. a kind of folding plate anchor as claimed in claim 5, is characterized in that: tie-beam described in each all adopts metal to make.
8., based on a using method for the plate anchor described in any one of claim 1 ~ 7, it comprises the following steps:
1) first on the long base of two anchor slabs, a rope body is fastenedly connected, two anchor slabs are made to be in almost parallel state, two anchor slabs arrange a regenerative apparatus, regenerative apparatus comprises two anchor chains, a cable are connected two anchor chains and cable attaching parts with one, and one end of each anchor chain is all fastenedly connected the top near short base on an anchor slab wherein;
2) adopt tugboat or repair ship to drag mooring anchor chain to floating drilling platform, make two anchor slabs all be embedded into seabed earth desired depth, one ball float is set at the free end of cable;
3) continue to adopt tugboat or repair ship to pull mooring anchor chain, under the effect of seabed earth drag, rope body fracture between two anchor slabs, under seabed earth and the combined action of mooring pulling force, two strut bars often organizing strut bar all constantly open, and realize two anchor slabs by installing condition successively to intermediateness, loading condition transition;
4) control two anchor slabs open completely and be in same plane, mooring force increases suddenly, and the dilatory force continuing to increase tugboat or repair ship makes two anchor slabs be in more stable position in the earth of seabed;
5) another ball float is set at the free end of mooring anchor chain, after floating drilling platform is in place, utilizes loop wheel machine salvage the ball float of mooring anchor chain free end and carry out the connection of mooring anchor chain, tighten up mooring anchor chain afterwards, enter operating condition.
9. the using method of a kind of folding plate anchor as claimed in claim 8, it is characterized in that: when reclaiming plate anchor after fulfiling assignment, another tugboat or repair ship is adopted to salvage the ball float of cable ends, and draw cable to the direction away from floating platform, plate anchor is pulled out mud face, seabed, completes recovery.
10. the using method of a kind of folding plate anchor as claimed in claim 8, is characterized in that: described step 1) in the rope body that uses adopt nylon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762474.4A CN105346677B (en) | 2015-11-10 | 2015-11-10 | A kind of folding plate anchor and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762474.4A CN105346677B (en) | 2015-11-10 | 2015-11-10 | A kind of folding plate anchor and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105346677A true CN105346677A (en) | 2016-02-24 |
| CN105346677B CN105346677B (en) | 2018-03-23 |
Family
ID=55322794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510762474.4A Active CN105346677B (en) | 2015-11-10 | 2015-11-10 | A kind of folding plate anchor and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105346677B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237308A (en) * | 2017-05-03 | 2017-10-10 | 浙江大学 | A kind of folded form new type of plate anchor and its installation method |
| CN109374418A (en) * | 2018-09-20 | 2019-02-22 | 浙江大学 | Equivalent Elasticity boundary Lower chains and native tangential and normal direction drag test device |
| CN110510067A (en) * | 2019-09-19 | 2019-11-29 | 上海交通大学 | A kind of double anchor slab suction penetration type normal direction load anchors and its installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829379A (en) * | 1994-07-21 | 1998-11-03 | Von Spies; Rudiger | Plate anchor |
| CN101596927A (en) * | 2009-07-01 | 2009-12-09 | 天津大学 | A kind of embedded type drag plate anchor that is applicable to mooring system in deep water |
| CN102556284A (en) * | 2012-03-02 | 2012-07-11 | 中国石油大学(华东) | Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same |
| CN203996788U (en) * | 2014-06-12 | 2014-12-10 | 江苏扬远船舶设备铸造有限公司 | A kind of novel danforth anchor of high holding power |
| CN104417714A (en) * | 2013-08-19 | 2015-03-18 | 天津骏帆船舶工程有限公司 | Folded gravity anchor for ship |
| KR20150077559A (en) * | 2013-12-27 | 2015-07-08 | 대우조선해양 주식회사 | pile input plate type anchor and installing method thereof |
-
2015
- 2015-11-10 CN CN201510762474.4A patent/CN105346677B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829379A (en) * | 1994-07-21 | 1998-11-03 | Von Spies; Rudiger | Plate anchor |
| CN101596927A (en) * | 2009-07-01 | 2009-12-09 | 天津大学 | A kind of embedded type drag plate anchor that is applicable to mooring system in deep water |
| CN102556284A (en) * | 2012-03-02 | 2012-07-11 | 中国石油大学(华东) | Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same |
| CN104417714A (en) * | 2013-08-19 | 2015-03-18 | 天津骏帆船舶工程有限公司 | Folded gravity anchor for ship |
| KR20150077559A (en) * | 2013-12-27 | 2015-07-08 | 대우조선해양 주식회사 | pile input plate type anchor and installing method thereof |
| CN203996788U (en) * | 2014-06-12 | 2014-12-10 | 江苏扬远船舶设备铸造有限公司 | A kind of novel danforth anchor of high holding power |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237308A (en) * | 2017-05-03 | 2017-10-10 | 浙江大学 | A kind of folded form new type of plate anchor and its installation method |
| CN109374418A (en) * | 2018-09-20 | 2019-02-22 | 浙江大学 | Equivalent Elasticity boundary Lower chains and native tangential and normal direction drag test device |
| CN110510067A (en) * | 2019-09-19 | 2019-11-29 | 上海交通大学 | A kind of double anchor slab suction penetration type normal direction load anchors and its installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105346677B (en) | 2018-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101857072B (en) | Unconditional stability equipped deep-draft floating production platform and offshore installation method thereof | |
| CN103917439B (en) | There is the offshore platforms of external post | |
| CN100999247B (en) | Truss semi-submersible offshore floating structure | |
| CN103264752B (en) | A kind of mooring gear for tension type mooring system | |
| AU2008326415B2 (en) | Docking and drilling stations for running self-standing risers | |
| CN102518397B (en) | Tension mooring type underwater drilling system and mounting method for same | |
| CN201961509U (en) | Unconditional stability equipped deep-draft floating oil production platform | |
| CN102491162A (en) | Hoisting equipment and hoisting method | |
| CN105346677A (en) | Folding type plate anchor and application method thereof | |
| Wang et al. | Latest progress in deepwater installation technologies | |
| CN103925172A (en) | Integral mounting assisting device and mounting method for tension leg type offshore floating wind turbine | |
| US20080017093A1 (en) | Drawdown apparatus and installation method for a floating platform | |
| CN102220849A (en) | Installing and guiding system of propping-tensioning vertical pipe and using and recovery methods thereof | |
| CN202391394U (en) | Ultra-deep water offshore oil/gas engineering development system | |
| CN203684099U (en) | Floating drag anchoring positioning system of high-pier large-span steel truss girder bridge | |
| CN104594206A (en) | Suspended type dragging anchor socket and method for steel trussed beam longitudinal displacement | |
| CN103174141A (en) | Intertidal zone beam lower supporting frame steel pipe pile pulling-out device and method | |
| CN201087343Y (en) | Improved tension leg ocean oil gas producing platform | |
| CN202466427U (en) | Continuous beam-dropping system | |
| CN102535347B (en) | Continuous beam falling system and continuous beam falling method | |
| CN113998056B (en) | Expansion type ocean oil gas platform anchoring pile tying device | |
| CN102234078B (en) | Limit device | |
| CN210761202U (en) | Ultra-large artificial floating island and marine city group constructed by same | |
| CN210619625U (en) | Large-scale debugging jacking displacement device | |
| CN203512828U (en) | Dragging slippage shipment device for large ocean structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |