CN107933830A - The new type of deep-water anchor and its installation method of a kind of expansible multilayer anchor slab - Google Patents

The new type of deep-water anchor and its installation method of a kind of expansible multilayer anchor slab Download PDF

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Publication number
CN107933830A
CN107933830A CN201710937050.6A CN201710937050A CN107933830A CN 107933830 A CN107933830 A CN 107933830A CN 201710937050 A CN201710937050 A CN 201710937050A CN 107933830 A CN107933830 A CN 107933830A
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China
Prior art keywords
anchor
anchor slab
deep
slab
guide rod
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CN201710937050.6A
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Chinese (zh)
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CN107933830B (en
Inventor
芮圣洁
国振
王立忠
周文杰
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24Anchors
    • B63B21/26Anchors securing to bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24Anchors
    • B63B21/30Anchors rigid when in use
    • B63B21/34Anchors rigid when in use with two or more flukes
    • B63B21/36Anchors rigid when in use with two or more flukes foldable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24Anchors
    • B63B21/26Anchors securing to bed
    • B63B2021/265Anchors securing to bed by gravity embedment, e.g. by dropping a pile-type anchor from a certain height

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of new type of deep-water anchor of expansible multilayer anchor slab, mainly include deep-seaanchor anchor body, anchor slab, flank, anchor slab seam, anchor slab side, square guide rod, stopper, anchor tailgate, spring, heaving pile hole, mooring line, lifting lug, installation wirerope etc., the anchor slab is provided with multilayer, when not carrying out tensioning, anchor slab edge rides over anchor slab and sews on, and spacing, anchor slab root and square guide rod hinge are carried out by anchor slab side;When being installed to precalculated position, the square guide rod of tensioning, makes anchor slab be flared to horizontal level, and by loosening mooring line during recycling, anchor slab can be withdrawn by the restoring force of spring.The present invention substantially increases the forced area of deep-seaanchor by setting the deployable anchor slab of multilayer, thus can significantly improve the bearing capacity of deep-seaanchor;The design structure is simple, is easy to make and installs;Consider the retraction of deep water anchor slab, convenient recycling and Reusability.

Description

The new type of deep-water anchor and its installation method of a kind of expansible multilayer anchor slab
Technical field
The present invention relates to deep-seaanchor and its installation method, the new type of deep-water anchor of more particularly to a kind of expansible multilayer anchor slab and Its installation method.
Background technology
In recent years, China carries forward vigorously ocean power strategy, promotes the development of deep sea equipment and technology.It is multiple to adapt to Miscellaneous changeable marine environment and geological conditions, more and more floating structures are used for marine resources development, off-lying sea islands and reefs are built If waiting, and its mooring location technology is the key that its efficiency gives full play to, and obtains the extensive concern of ocean engineering circle researcher. Wherein abyssal fish mine anchor basis is the new anchoring technology of latest development, it overcomes traditional anchor foundation heavy dependence operating water depth The shortcomings that with installation equipment, have the characteristics that installation simple efficiently, cost, anchoring excellent performance, it is considered to be at present most The new anchoring basis of development potentiality.
The installation of abyssal fish mine anchor is more fast and simple, anchor body is carried to mud face above predetermined height, anchor body is by dead weight It can complete injection;But during the military service of anchor body, bearing capacity is mainly derived from the dead weight of anchor body and the soil body to its frictional resistance, compares It is relatively inefficient in the performance of the bearing capacities such as plate anchor, to improve the forced area of anchor body and increase bearing capacity, propose that one kind can open Drive the new type of deep-water anchor of multilayer anchor slab.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of new type of deep-water anchor of expansible multilayer anchor slab And its installation method.This kind of anchor type has the advantage of torpedo anchor Fast Installation, and passes through relatively simple structure design, operation letter Easy row, opens built-in multilayer anchor slab by prestretching, increases the forced area of deep-seaanchor, and then drastically increase anchor The bearing capacity of body entirety;, can be with arranging multiplayer anchor slab since the slenderness ratio of deep-seaanchor is larger.
The present invention takes following technical scheme:
A kind of new type of deep-water anchor of expansible multilayer anchor slab, including deep-seaanchor anchor body, anchor body top is anchor tailgate, in anchor body On be symmetrically arranged with the flanks of four longitudinal directions, anchor body inner space is provided with vertical square guide rod, and square guide rod upper end is pierced by Simultaneously overstriking is spacing for anchor tailgate, it is provided with heaving pile hole and is used to connect mooring line, and stopper is fixed with square guide rod and is used to limit Square rail below stopper is pierced by anchor tailgate, and spring is provided between anchor tailgate and stopper;In anchor body inner space If being inside provided with dried layer anchor slab, every layer of four pieces of anchor slab and symmetrical around square guide rod, with the anchor between flank from upper and If the anchor slab seam of dried layer level is provided with, anchor slab seam is corresponded with anchor slab, anchor slab lower end and the square guide rod below stopper Hinged, anchor slab seam is stretched out in upper end and outer edge is welded with the anchor slab side for being wider than anchor slab seam, and anchor is close in anchor slab side before anchor slab opening On the outside of plate stitch, anchor slab can be limited to contract;Lifting lug is equipped with anchor tailgate to be used to connect installation wirerope.
In above-mentioned technical proposal, further, the anchor slab is installed to designated position prestretching in deep-seaanchor and led in sector After bar opens anchor slab, it can further increase the forced area of deep-seaanchor, and then improve the bearing capacity of deep-seaanchor.
Further, the lower edges of described anchor slab seam are respectively mounted some pulleys, for reducing when anchor slab opens and anchor Resistance between body.
Further, the anchor slab can set upper, middle and lower-ranking, by deep-seaanchor anchor body average mark in the axial direction It is respectively upper area, central region and lower area for three sections of regions, one layer of anchor slab is arranged in every section of region.
The installation method of the new type of deep-water anchor of above-mentioned expansible multilayer anchor slab, it is as follows:When constructing at the scene, with installation wirerope After anchor body is hung mud face certain altitude by connection lifting lug, ensure the verticality of anchor body, discharge anchor body, one depthkeeping of anchor body injection sea bed After degree, tensioning mooring line, makes guide rod along moving on central axial, guide rod drive inside multilayer anchor slab it is protruding, work as anchor When plate is opened to horizontal level, guide rod stopper touches anchor tailgate limitation guide rod and moves further up just, completes installation. In recycling, mooring line need to only be loosened, the restoring force provided by spring makes anchor slab retract, and is then pulled out by installing wirerope Go out and recycle.
The present invention has the following advantages:
The present invention substantially increases the forced area of deep-seaanchor by setting the deployable anchor slab of multilayer, thus can show Write the bearing capacity for improving deep-seaanchor;The design structure is simple, is easy to make and installs;Consider the retraction of deep water anchor slab, facilitate back Receipts and Reusability.
Brief description of the drawings
Fig. 1 is anchor body structural front view of the present invention before tensioning;
Fig. 2 is anchor body front section view of the present invention before tensioning;
Fig. 3 is anchor body top view of the present invention before tensioning;
Fig. 4 is anchor body front view of the present invention after tensioning;
Fig. 5 is anchor body top view of the present invention after tensioning;
In figure:1st, deep-seaanchor anchor body, 2, fan-shaped anchor slab, 3, flank, 4, anchor slab seam, 5, pulley, 6, anchor slab side, 7, shaft, 8th, square guide rod, 9, stopper, 10, anchor tailgate, 11, spring, 12, heaving pile hole, 13, mooring line, 14, lifting lug, 15, installation steel Cable.
Embodiment
It is as follows with reference to Fig. 1-5, deep water anchor structure of the invention:Deep-seaanchor anchor body 1 is equally divided into three sections along its length Region, is respectively upper area, central region and lower area, and one layer of fan-shaped anchor slab 2 is arranged in every section of region.Using upper area as Example arrangement first layer sector anchor slab 2:Deep-seaanchor is divided into four regions along two planes where four flanks 3, flank 3 it Between one anchor slab seam 4 is opened on the anchor body 1 of axis, anchor slab seam 4 it is upper it is following it is each truckle 5 three is set, for subtracting Resistance when few sector anchor slab 2 opens between anchor body 1.The outer edge of fan-shaped anchor slab 2 is welded with to be had necessarily with anchor slab arc-shaped side 4 outside of anchor slab seam is close on the anchor slab side 6 of angle, anchor slab side 6 before anchor slab opening, limits fan-shaped anchor slab 2 to contract;Sector anchor The root of plate 2 is connected by shaft 7 with the square guide rod 8 positioned at anchor body center, and square guide rod 8 is away from top about a quarter Locate as stopper 9, for preventing from stretching out when anchor slab 2 is flared to the further of horizontal position back-guiding rod 8, in stopper 9 and anchor Spring 11 is set between tailgate 10, provides restoring force for the retraction when deep-seaanchor recycles for anchor slab 2,8 topmost of guide rod is stretched Go out anchor tailgate 10, topmost overstriking simultaneously sets heaving pile hole 12, for connecting mooring line 13.Middle and lower part arrangement anchor slab 2 with it is upper Portion is consistent, and the vertical projection of three layers of anchor slab 2 overlaps.10 both sides of anchor tailgate set two lifting lugs 14, and wirerope is installed for connecting 15.When constructing at the scene, connect lifting lug 14 with installation wirerope 15 and hang anchor body after mud face goes out certain altitude, ensure hanging down for anchor body Straight degree, discharges anchor body, and after anchor body injection sea bed certain depth, tensioning mooring line 13, makes guide rod 8 along moving on central axial, Guide rod 8 drives that three layers of fan-shaped anchor slab 10 of inside are protruding, and when anchor slab 2 is opened to horizontal level, 8 thicker position of guide rod is proper The limitation guide rod 8 of anchor tailgate 10 is touched well to move further up, completes installation.In recycling, mooring line 13 need to only be put Pine, the restoring force provided by spring 11 make anchor slab 2 retract, and are being extracted by installing wirerope 15 and recycled.
The present invention installation procedure be:
1. connection installation wirerope and mooring line;
2. anchor body is lifted to desired depth;
3. release anchor body makes it by dead weight injection sea bed;
4. tensioning mooring line, opens three layers of fan-shaped anchor slab;
5. complete installation.

Claims (5)

1. a kind of new type of deep-water anchor of expansible multilayer anchor slab, it is characterised in that including deep-seaanchor anchor body (1), anchor body (1) top For anchor tailgate (10), the flank (3) of four longitudinal directions is symmetrically arranged with anchor body (1), anchor body (1) inner space is provided with vertically Square guide rod (8), square guide rod (8) upper end is pierced by anchor tailgate (10) and overstriking is spacing, its be provided with heaving pile hole (12) be used for connect Mooring line (13) is connect, the square rail that stopper (9) is used to limit below stopper (9) is fixed with square guide rod (8) and is worn Go out anchor tailgate (10), spring (11) is provided between anchor tailgate (10) and stopper (9);It is provided with anchor body inner space If dried layer anchor slab (2), every layer of four pieces of anchor slab and symmetrical around square guide rod, with the anchor between flank (3) from top to bottom If being provided with the anchor slab seam (4) of dried layer level, anchor slab seam is corresponded with anchor slab, anchor slab (2) lower end and the side below stopper (9) Shape guide rod (8) is hinged, and anchor slab seam (4) is stretched out in upper end and outer edge is welded with the anchor slab side (6) for being wider than anchor slab seam, in anchor tailgate (10) lifting lug (14) is equipped with to be used to connect installation wirerope (15).
2. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, it is characterised in that the anchor slab (2) In sector.
3. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, it is characterised in that the anchor slab seam (4) lower edges are respectively mounted some pulleys.
4. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, it is characterised in that the anchor slab (2) Three layers are set altogether.
5. the installation method of the new type of deep-water anchor of expansible multilayer anchor slab as claimed in claim 1, it is characterised in that method is such as Under:Deep-seaanchor is after Gravitative Loads are issued to predetermined depth of penetration during installation, tensioning mooring line (13) make square guide rod (8) to Upper movement, drives anchor slab (2) to stretch out and opens, complete installation;Mooring line (13) need to only be loosened during recycling, passed through spring (11) The restoring force of offer makes anchor slab (2) retract, then installs wirerope (15) extraction by tensioning and recycle.
CN201710937050.6A 2017-10-10 2017-10-10 A kind of the new type of deep-water anchor and its installation method of expansible multilayer anchor slab Active CN107933830B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109178209A (en) * 2018-09-06 2019-01-11 浙江大学 A kind of towing anchor and its installation method of extended wing plate
CN109178210A (en) * 2018-09-06 2019-01-11 浙江大学 A kind of high holding power anchor of shrinkable wing plate and its installation and recovery method
CN109969342A (en) * 2019-03-27 2019-07-05 浙江大学 A kind of expandable novel slurry filling Screw Anchor in end and its installation method
CN109969341A (en) * 2019-03-27 2019-07-05 浙江大学 A kind of the novel slurry filling Screw Anchor and its installation method of expansible multilayer sidewall
CN111994207A (en) * 2020-09-23 2020-11-27 大连理工大学 Torpedo anchor with additional anchor body and additional anchor body capable of being unfolded and turned outwards
CN112046680A (en) * 2020-09-02 2020-12-08 大连理工大学 Multi-anchor-point mooring power installation anchor and installation method thereof
CN112092979A (en) * 2020-09-14 2020-12-18 大连理工大学 Combined type fish-thunder anchor based on bionics and installation method thereof
CN113928477A (en) * 2021-11-04 2022-01-14 福州大学 Gravity injection type deepwater anchor and construction method
CN113978620A (en) * 2021-11-24 2022-01-28 中国船舶科学研究中心 Rapid deployment anchoring system and use method
CN115123459A (en) * 2022-08-09 2022-09-30 江苏海洋大学 Wingspan torpedo anchor controlled by pressure and installation and recovery method thereof
US20220315169A1 (en) * 2019-08-12 2022-10-06 Sustainable Marine Energy Limited Fixation device and installation method
CN115303417A (en) * 2022-08-05 2022-11-08 江苏海洋大学 Recoverable flank exhibition yulei anchor suitable for deep sea anchoring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057024A (en) * 1974-12-23 1977-11-08 Indianapolis Center For Advanced Research Releasable anchor
CN103648900A (en) * 2011-03-30 2014-03-19 斯特弗劳斯有限公司 An anchor assembly
CN205292980U (en) * 2015-12-21 2016-06-08 山东航宇船业集团有限公司 Disconnect -type ship anchor for boats and ships
CN206012889U (en) * 2016-07-07 2017-03-15 天津大学 A kind of band stickleback mine anchor
WO2018030853A1 (en) * 2016-08-11 2018-02-15 재단법인 한국조선해양기자재연구원 Foldable underwater mooring device for suppressing roll of floating body

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057024A (en) * 1974-12-23 1977-11-08 Indianapolis Center For Advanced Research Releasable anchor
CN103648900A (en) * 2011-03-30 2014-03-19 斯特弗劳斯有限公司 An anchor assembly
CN205292980U (en) * 2015-12-21 2016-06-08 山东航宇船业集团有限公司 Disconnect -type ship anchor for boats and ships
CN206012889U (en) * 2016-07-07 2017-03-15 天津大学 A kind of band stickleback mine anchor
WO2018030853A1 (en) * 2016-08-11 2018-02-15 재단법인 한국조선해양기자재연구원 Foldable underwater mooring device for suppressing roll of floating body

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109178210A (en) * 2018-09-06 2019-01-11 浙江大学 A kind of high holding power anchor of shrinkable wing plate and its installation and recovery method
CN109178210B (en) * 2018-09-06 2019-07-16 浙江大学 A kind of high holding power anchor of shrinkable wing plate and its installation and recovery method
CN109178209B (en) * 2018-09-06 2019-07-16 浙江大学 A kind of towing anchor and its installation method of extended wing plate
CN109178209A (en) * 2018-09-06 2019-01-11 浙江大学 A kind of towing anchor and its installation method of extended wing plate
CN109969342A (en) * 2019-03-27 2019-07-05 浙江大学 A kind of expandable novel slurry filling Screw Anchor in end and its installation method
CN109969341A (en) * 2019-03-27 2019-07-05 浙江大学 A kind of the novel slurry filling Screw Anchor and its installation method of expansible multilayer sidewall
CN109969341B (en) * 2019-03-27 2020-08-04 浙江大学 Grouting spiral anchor with expandable multilayer side wall and mounting method thereof
US20220315169A1 (en) * 2019-08-12 2022-10-06 Sustainable Marine Energy Limited Fixation device and installation method
US12012177B2 (en) * 2019-08-12 2024-06-18 Schottel Marine Technologies GmbH Fixation device and installation method
CN112046680A (en) * 2020-09-02 2020-12-08 大连理工大学 Multi-anchor-point mooring power installation anchor and installation method thereof
CN112092979B (en) * 2020-09-14 2021-07-02 大连理工大学 Combined type fish-thunder anchor based on bionics and installation method thereof
CN112092979A (en) * 2020-09-14 2020-12-18 大连理工大学 Combined type fish-thunder anchor based on bionics and installation method thereof
CN111994207A (en) * 2020-09-23 2020-11-27 大连理工大学 Torpedo anchor with additional anchor body and additional anchor body capable of being unfolded and turned outwards
CN113928477A (en) * 2021-11-04 2022-01-14 福州大学 Gravity injection type deepwater anchor and construction method
CN113978620A (en) * 2021-11-24 2022-01-28 中国船舶科学研究中心 Rapid deployment anchoring system and use method
CN113978620B (en) * 2021-11-24 2022-12-27 中国船舶科学研究中心 Rapid deployment anchoring system and use method
CN115303417A (en) * 2022-08-05 2022-11-08 江苏海洋大学 Recoverable flank exhibition yulei anchor suitable for deep sea anchoring
CN115303417B (en) * 2022-08-05 2023-12-05 江苏海洋大学 Recoverable flank exhibition fish thunder anchor suitable for deep sea anchor
CN115123459A (en) * 2022-08-09 2022-09-30 江苏海洋大学 Wingspan torpedo anchor controlled by pressure and installation and recovery method thereof

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