CN107933830B - A kind of the new type of deep-water anchor and its installation method of expansible multilayer anchor slab - Google Patents
A kind of the new type of deep-water anchor and its installation method of expansible multilayer anchor slab Download PDFInfo
- Publication number
- CN107933830B CN107933830B CN201710937050.6A CN201710937050A CN107933830B CN 107933830 B CN107933830 B CN 107933830B CN 201710937050 A CN201710937050 A CN 201710937050A CN 107933830 B CN107933830 B CN 107933830B
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- Prior art keywords
- anchor
- anchor slab
- deep
- slab
- guide rod
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 9
- 238000004064 recycling Methods 0.000 claims abstract description 4
- 239000000284 extract Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B63B21/26—Anchors securing to bed
-
- 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
- B63B21/34—Anchors rigid when in use with two or more flukes
- B63B21/36—Anchors rigid when in use with two or more flukes foldable
-
- 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
- B63B21/26—Anchors securing to bed
- B63B2021/265—Anchors securing to bed by gravity embedment, e.g. by dropping a pile-type anchor from a certain height
Landscapes
- 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 anchors of expansible multilayer anchor slab, it mainly include deep-seaanchor anchor body, anchor slab, flank, anchor slab seam, anchor slab side, rectangular 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 limited by anchor slab side, anchor slab root and rectangular guide rod are hinged；When being installed to predetermined position, the rectangular guide rod of tensioning makes anchor slab be flared to horizontal position, and by loosening mooring line when recycling, anchor slab can be withdrawn by the restoring force of spring.The present invention substantially increases the forced area of deep-seaanchor by the setting 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 install；The retraction for considering deep water anchor slab, facilitates recycling and Reusability.
Description
Technical field
The present invention relates to deep-seaanchor and its installation method, in particular to the new type of deep-water anchor of a kind of expansible multilayer anchor slab and
Its installation method.
Background technique
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 novel anchoring technology of latest development, it overcomes traditional anchor foundation heavy dependence operating water depth
The shortcomings that with installation equipment, has the characteristics that installation is simple and efficient, cost, anchor excellent performance, it is considered to be at present most
The novel anchoring basis of development potentiality.
The installation of abyssal fish mine anchor is more fast and simple, anchor body is mentioned to the above predetermined height in mud face, anchor body is by self weight
Injection can be completed；But when the military service of anchor body, bearing capacity is mainly derived from the self 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 increasing bearing capacity, propose that one kind can open
Open the new type of deep-water anchor of multilayer anchor slab.
Summary 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 is designed by relatively simple structure, operation letter
Easy row opens built-in multilayer anchor slab by prestretching, increases the forced area of deep-seaanchor, and then greatly improve anchor
The bearing capacity of body entirety；It, 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
Upper to be symmetrical arranged there are four longitudinal flank, anchor body inner space is provided with vertical rectangular guide rod, and rectangular guide rod upper end is pierced by
Anchor tailgate and overstriking limit are provided with heaving pile hole for connecting mooring line, stopper are fixed on rectangular guide rod for limiting
Rectangular guide rod below stopper is pierced by anchor tailgate, is provided with spring between anchor tailgate and stopper；In anchor body inner space
Inside be provided with several layers anchor slab, every layer of four pieces of anchor slab and symmetrical around rectangular guide rod, with the anchor between flank from upper and
Under be provided with the anchor slab seam of several layers level, anchor slab seam is corresponded with anchor slab, the rectangular guide rod below anchor slab lower end and stopper
Hingedly, 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 to before anchor slab opens in anchor slab side
On the outside of plate stitch, anchor slab can be limited to contract；Lifting lug is equipped on anchor tailgate for connecting installation wirerope.
In above-mentioned technical proposal, further, the anchor slab is fan-shaped, installs in deep-seaanchor to designated position prestretching and leads
After bar opens anchor slab, the forced area of deep-seaanchor can be further increased, and then improve the bearing capacity of deep-seaanchor.
Further, the lower edges of the described anchor slab seam are respectively mounted several pulleys, for reducing when anchor slab opens and anchor
Resistance between body.
Further, upper, middle and lower-ranking can be set in the anchor slab, by deep-seaanchor anchor body average mark in the axial direction
For three sections of regions, respectively upper area, central region and lower area, 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: during on-site construction, with installation wirerope
After anchor body is hung mud face certain altitude by connection lifting lug, guarantee the verticality of anchor body, discharges anchor body, one depthkeeping of anchor body injection sea bed
After degree, tensioning mooring line moves upwards guide rod along central axis, and the multilayer anchor slab inside guide rod drive is protruding, works as anchor
When plate is opened to horizontal position, guide rod stopper touches anchor tailgate limitation guide rod just and moves further up, completes installation.
In recycling, mooring line need to only be loosened, retract anchor slab by the restoring force that spring provides, then pulled out by installing wirerope
Out and recycle.
The invention has the following advantages that
The present invention substantially increases the forced area of deep-seaanchor by the setting 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 install；The retraction for considering deep water anchor slab, facilitates back
Receipts and Reusability.
Detailed description of the invention
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 main view of the present invention after tensioning；
Fig. 5 is anchor body top view of the present invention after tensioning；
In figure: 1, deep-seaanchor anchor body, 2, fan-shaped anchor slab, 3, flank, 4, anchor slab seam, 5, pulley, 6, anchor slab side, 7, shaft,
8, rectangular guide rod, 9, stopper, 10, anchor tailgate, 11, spring, 12, heaving pile hole, 13, mooring line, 14, lifting lug.
Specific embodiment
Referring to Fig.1-5, deep water anchor structure of the invention is as follows: deep-seaanchor anchor body 1 is equally divided into three sections along its length
One layer of fan-shaped anchor slab 2 is arranged in region, respectively upper area, central region and lower area, every section of region.It is with upper area
Example arrangement first layer sector anchor slab 2: being divided into four regions along two planes where four flanks 3 for deep-seaanchor, flank 3 it
Between perpendicular to one anchor slab seam 4 is opened on the anchor body 1 of axis, in upper following each setting truckle 5 three of anchor slab seam 4, 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 centainly 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 opens, and limits fan-shaped anchor slab 2 to contract；Sector anchor
The root of plate 2 is connected by shaft 7 with the rectangular guide rod 8 for being located at anchor body center, and rectangular guide rod 8 is away from top about a quarter
Place is stopper 9, for preventing the further stretching of the rectangular guide rod 8 after fan-shaped anchor slab 2 is flared to horizontal position, is being stopped
Spring 11 is set between block 9 and anchor tailgate 10, provides restoring force for the retraction when deep-seaanchor recycles for fan-shaped anchor slab 2, side
8 topmost of shape guide rod stretches out anchor tailgate 10, and simultaneously heaving pile hole 12 is arranged in topmost overstriking, for connecting mooring line 13.Middle and lower part
The fan-shaped anchor slab 2 of arrangement is consistent with top, and the vertical projection of three layers of fan-shaped anchor slab 2 is overlapped.10 two sides of anchor tailgate are arranged two
Lifting lug 14, for connecting installation wirerope.
During on-site construction, anchor body is hung after mud face goes out certain altitude with installation wirerope connection lifting lug 14, guarantees anchor body
Verticality, discharge anchor body, after anchor body injection sea bed certain depth, tensioning mooring line 13 makes rectangular guide rod 8 along central axial
Upper movement, direction arm 8 drives the fan-shaped anchor slab 2 of internal three layers protruding, when fan-shaped anchor slab 2 opening to horizontal position,
The thicker position of rectangular guide rod 8 is touched the limitation direction arm 8 of anchor tailgate 10 just and is moved further up, and installation is completed.It is returning
Time receiving need to only loosen mooring line 13, retract fan-shaped anchor slab 2 by the restoring force that spring 11 provides, then pass through installation steel
Cable is extracted and is recycled.Installation procedure of the invention are as follows:
1. connection installation wirerope and mooring line；
2. lifting anchor body to predetermined depth；
3. release anchor body makes it by self weight injection sea bed；
4. tensioning mooring line opens three layers of fan-shaped anchor slab；
5. completing installation.
Claims (5)
1. a kind of new type of deep-water anchor of expansible multilayer anchor slab, which is characterized in that including deep-seaanchor anchor body (1), anchor body (1) top
For anchor tailgate (10), it is symmetrical arranged on anchor body (1) there are four longitudinal flank (3), anchor body (1) inner space is provided with vertically
Rectangular guide rod (8), rectangular guide rod (8) upper end is pierced by anchor tailgate (10) and overstriking limit, is provided with heaving pile hole (12) for connecting
It connects mooring line (13), stopper (9) is fixed on rectangular guide rod (8) and are worn for limiting the rectangular guide rod below stopper (9)
Anchor tailgate (10) out are provided with spring (11) between anchor tailgate (10) and stopper (9)；It is provided in anchor body inner space
Several layers anchor slab (2), every layer of four pieces of anchor slab and symmetrical around rectangular guide rod, with the anchor between flank (3) from top to bottom
It is provided with the anchor slab seam (4) of several layers level, anchor slab seam is corresponded with anchor slab, the side below anchor slab (2) lower end and stopper (9)
Hingedly, anchor slab seam (4) is stretched out in upper end to shape guide rod (8) 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) are equipped with for connecting installation wirerope.
2. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, which is characterized in that the anchor slab (2)
It is fan-shaped.
3. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, which is characterized in that the anchor slab seam
(4) lower edges are respectively mounted several pulleys.
4. the new type of deep-water anchor of expansible multilayer anchor slab according to claim 1, which is characterized in that the anchor slab (2)
Three layers are arranged altogether.
5. the installation method of the new type of deep-water anchor of expansible multilayer anchor slab as described in claim 1, which is characterized in that method is such as
Under: after deep-seaanchor reaches predetermined depth of penetration under Gravitative Loads when installation, tensioning mooring line (13) make rectangular guide rod (8) to
Upper movement drives anchor slab (2) to stretch out and opens, completes installation；Mooring line (13) need to only be loosened when recycling, be passed through spring (11)
The restoring force of offer retracts anchor slab (2), then extracts and recycle by tensioning installation wirerope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937050.6A CN107933830B (en) | 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937050.6A CN107933830B (en) | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107933830A CN107933830A (en) | 2018-04-20 |
| CN107933830B true CN107933830B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710937050.6A Active CN107933830B (en) | 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 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN109969341B (en) * | 2019-03-27 | 2020-08-04 | 浙江大学 | Grouting spiral anchor with expandable multilayer side wall and mounting method thereof |
| CN109969342B (en) * | 2019-03-27 | 2020-05-12 | 浙江大学 | Grouting spiral anchor with expandable end and mounting method thereof |
| WO2021028676A1 (en) * | 2019-08-12 | 2021-02-18 | Sustainable Marine Energy Limited | Fixtation 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 |
| 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 |
| CN113928477B (en) * | 2021-11-04 | 2023-04-25 | 福州大学 | Gravity penetration type deepwater anchor and construction 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 |
| 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 |
| CN115123459B (en) * | 2022-08-09 | 2023-06-13 | 江苏海洋大学 | Pressure-controlled wingspan fish lightning anchor and installation and recovery method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057024A (en) * | 1974-12-23 | 1977-11-08 | Indianapolis Center For Advanced Research | Releasable anchor |
| GB201105372D0 (en) * | 2011-03-30 | 2011-05-11 | Inst Of Technology Sligo | 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 |
| KR101778215B1 (en) * | 2016-08-11 | 2017-09-26 | 재단법인한국조선해양기자재연구원 | Underwater mooring device for rolling damping of floating body |
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| CN107933830A (en) | 2018-04-20 |
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