CN106335608A - Mounting method of seabed anchor - Google Patents
Mounting method of seabed anchor Download PDFInfo
- Publication number
- CN106335608A CN106335608A CN201610845777.7A CN201610845777A CN106335608A CN 106335608 A CN106335608 A CN 106335608A CN 201610845777 A CN201610845777 A CN 201610845777A CN 106335608 A CN106335608 A CN 106335608A
- Authority
- CN
- China
- Prior art keywords
- anchor ingot
- seabed
- anchor
- steel wire
- wire rope
- 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
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
Abstract
The invention relates to a mounting method of a seabed anchor. A floating crane is provided with two sets of wire ropes, a first set of wire rope on the floating crane hoists an anchor from a square barge and moves the anchor to an area nearby a cast-anchor point, and the anchor is put into the seabed; and one end of the second set of wire rope is connected with the first set of wire rope, and the other end is connected to a floating crane, and thus a purpose of increasing the length of a hoisting rope is realized so that the anchor is thrown to a designated position; and the anchor is re-hoisted from the seabed and is suspended in seawater, and the hoisting crane is moved to the throwing point, so that the anchor can accurately reach the position of the throwing point, and the positioning of the anchor is facilitated.
Description
Technical field
The present invention relates to the technical field that Ocean Tidal Current Energy generates electricity, refer in particular to a kind of installation method of seabed anchor ingot.
Background technology
For the significantly more efficient utilization energy, for large ocean marine tidal-current energy generator group project, described electromotor
Group basis is using integrated assembly platform steel truss basis.The weight of generally described assembly platform is larger, according to mounting process, always
Become platform need to lift by crane twice altogether, be to fall to refuting lifting for the first time, using crane ship, described assembly platform refuted by the side of being hoisted on the bank
On；It is for second that lifting is installed, using crane ship, described assembly platform is refuted by side the setting position point being hoisted to sea.
During described assembly platform handling is attached to marine setting position, put down to fix described assembly temporarily
Platform, can be related to the technology of seabed anchor ingot installation it is contemplated that seabed anchor ingot installation region is subject to high tension cable limit for height over strait, the high stream of trend
Speed, current are disorderly, seabed exposed bedrock leads to anchor position difficult arrangement；Meanwhile, mount point water is deeper, leads to crane ship installation waterborne
Seabed large volume anchor ingot bar difficulty of construction is generally large.
Existing common anchor ingot installation method is: first, is refuted using side and transports anchor ingot to projection, by crane ship
The steel wire rope being connected with suspension hook refutes the described anchor ingot of upper lifting from described side；Then, complete anchor ingot after positioning anchor ingot and cast work；?
Afterwards, after described anchor ingot sinking puts in place, steel wire rope is in relaxed state, so that steel wire rope is broken off relations by anchor boat.Above-mentioned seabed anchor ingot peace
In dress method, if the depth of water running into installation site is higher, and the sling height of existing crane ship is limited, leads to anchor ingot accurate
Really cast in specified location.
Content of the invention
For this reason, the technical problem to be solved is to overcome the installation site of anchor ingot described in prior art inaccurate
Problem thus providing a kind of installation method of the seabed anchor ingot that technology simply and readily positions.
For solving above-mentioned technical problem, the installation method of the described seabed anchor ingot of the present invention, described crane ship is provided with two
Set steel wire rope, its step is as follows: step s1: using the first set steel wire rope on crane ship from side is refuted cat ingot being displaced to
Cast a near zone, anchor ingot sinking is entered seabed；Step s2: by one end of second set of steel wire rope and described first set steel wire
Rope connects, and the other end connects to described crane ship；Step s3: described anchor ingot is lifted by crane again from seabed and makes described anchor ingot hang
Float in sea water, mobile described crane ship is to casting a little；Step s4: by controlling the speed of described lifting ship's tackle by described anchor
Ingot sinking is to seabed precalculated position.
In one embodiment of the invention, before described step s1, described anchor ingot is defeated by side's transportation by lighter, and passes through tugboat
Drive described side refute mobile to casting near a little.
In one embodiment of the invention, in described step s1, a described near zone that casts refers to the depth of water certain
The naked petrographic province domain of height.
In one embodiment of the invention, in described step s2, one end of described second set of steel wire rope is connected to institute
State on the eye splice of first set steel wire rope, the other end connects to the suspension hook of described crane ship.
In one embodiment of the invention, described step s2 is completed by anchor boat cooperation.
In one embodiment of the invention, in described step s3, described anchor ingot lifts by crane seabed to be departed from again from seabed
Scar can make described anchor ingot be suspended in sea water to setpoint distance.
In one embodiment of the invention, the position of described anchor ingot in described step s4, is positioned by total powerstation Convergence method
Postpone, by the speed of the described lifting ship's tackle of control by described anchor ingot sinking to seabed precalculated position.
In one embodiment of the invention, after the completion of described step s4, cut off a plucked string instrument with a fretted fingerboard of described second set of steel wire rope
Pa head, carries second set of steel wire rope of extraction from the suspension hook of described crane ship, makes described first set steel wire rope sink to seabed.
In one embodiment of the invention, during described anchor ingot sinking, described anchor ingot top is respectively provided with Denima rope,
Described hawser one end is fixed in advance and enters sea with anchor ingot on anchor ingot, and the other end is made sling and is fixed on by steel wire rope temporarily
On steel floating drum.
In one embodiment of the invention, described temporary steel floating drum floats on the sea near described anchor ingot.
The technique scheme of the present invention has the advantage that compared to existing technology
The installation method of seabed anchor ingot of the present invention, described crane ship is provided with two sets of steel wire ropes, using on crane ship
First set steel wire rope cat ingot be displaced to and cast a near zone from side is refuted, anchor ingot sinking is entered seabed；By second set
One end of steel wire rope is connected with described first set steel wire rope, and the other end connects to described crane ship, thus realizing extending lifting rope
The purpose of length, is conducive to for described anchor ingot casting specified location.
Brief description
In order that present disclosure is more likely to be clearly understood, specific embodiment below according to the present invention simultaneously combines
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the flow chart of the installation method of seabed anchor ingot of the present invention.
Specific embodiment
As shown in figure 1, the present embodiment provides a kind of installation method of seabed anchor ingot, its step is as follows: step s1: utilize
First set steel wire rope on weight ship cat ingot be displaced to and cast a near zone from side is refuted, anchor ingot sinking is entered seabed；
Step s2: one end of second set of steel wire rope is connected with described first set steel wire rope, the other end connects to described crane ship；Step
Rapid s3: described anchor ingot is lifted by crane again from seabed and makes described anchor ingot be suspended in sea water, mobile described crane ship is to casting a little；
Step s4: by the speed of the described lifting ship's tackle of control by described anchor ingot sinking to seabed precalculated position.
Above-mentioned be the present invention core technology scheme, the installation method of seabed anchor ingot of the present invention, on described crane ship
It is provided with two sets of steel wire ropes, its step is as follows: in described step s1, refute upper lifting using the first set steel wire rope on crane ship from side
Anchor ingot is simultaneously displaced to and casts a near zone, and anchor ingot sinking is entered seabed, completes to cast work for the first time, is cast by first time
Work is conducive to extending the length of lifting rope；In described step s2, by one end of second set of steel wire rope and described first set steel wire rope
Connecting, the other end connects to described crane ship, thus realizing extending the purpose of lifting rope length, being conducive to casting described anchor ingot
To specified location；In described step s3, described anchor ingot is lifted by crane again from seabed and so that described anchor ingot is suspended in sea water, then
Mobile described crane ship, to casting a little, can accurately reach the position casting a little, be conducive to the positioning of described anchor ingot；Described step
In rapid s4, by the speed of the described lifting ship's tackle of control by described anchor ingot sinking to seabed precalculated position, thus ensureing anchor
Complete described anchor ingot while spindle position is put casts work.
Before described step s1, it is defeated that described anchor ingot passes through side's transportation by lighter, and drives described side to refute movement to casting by tugboat
Near point；And using anchor boat, remaining anchor hawser is delivered to designated area bollard and complete heaving pile.Described crane ship traction is extremely described
Side refutes side and is easy to throwing is anchor.Described crane ship is hung using 4 points, after anchor ingot of slinging, is then displaced to position under tugboat escorts steady pool
Putting a little will be in place for the installation of anchor ingot.If hanging high satisfaction lifting to require, directly can refute upper lifting from described side and anchor ingot is installed.Anchor ingot is installed
When, the positioning of described anchor ingot is taken total powerstation Convergence method position, after accurate positioning, ordered sinking anchor ingot by hoisting commanding, sink
After being put into position, steel wire rope is in relaxed state, so that steel wire rope is broken off relations by anchor boat.
In described step s1, using the first set steel wire rope on crane ship, from side is refuted, cat ingot being displaced to casts a little
Near zone, a wherein said near zone that casts refers to the naked petrographic province domain in certain altitude for the depth of water, and anchor ingot sinking is entered seabed,
Complete to cast work for the first time, work is cast by first time and is conducive to extending the length of lifting rope.
In described step s2, one end of described second set of steel wire rope is connected to the eye splice of described first set steel wire rope
On, the other end connects to the suspension hook of described crane ship.Specifically, described step s2 is coordinated by anchor boat, by described second
One end of set steel wire rope connects to the eye splice of described first set steel wire rope, and the other end connects to the suspension hook of described crane ship
On, thus realizing extending the purpose of lifting rope length, be conducive to for described anchor ingot casting specified location.
In described step s3, after spreading lifting rope, described anchor ingot is lifted by crane seabed to be departed from scar to setting again from seabed
After distance, anchor ingot can be made to be suspended in sea water (lift heavy can reduce tens tons because of buoyancy), then described crane ship escorts in tugboat
The lower slowly displacement of steady pool casts a little thus reaching.
In described step s4, after total powerstation Convergence method positions the position of described anchor ingot, by controlling described crane ship
The speed of suspension hook, by described anchor ingot sinking to seabed precalculated position, is accurately positioned described anchor spindle position in realization and postpones, be conducive to institute
State the installation of anchor ingot.
After the completion of described step s4, cut off an eye splice of described second set of steel wire rope, from the suspension hook of described crane ship
Above carry second set of steel wire rope of extraction, make described first set steel wire rope sink to seabed, thus completing while ensureing that anchor spindle position is put
Described anchor ingot cast work.
It should be noted that: during described anchor ingot sinking, described anchor ingot top is respectively provided with a Denima rope, described cable
Rope one end is fixed in advance and enters sea with anchor ingot on anchor ingot, and the other end is made sling and is fixed on temporary steel floating drum by steel wire rope
On；And described temporary steel floating drum floats on the sea near described anchor ingot.Complete after described anchor ingot casts, just to refute and crane ship
Withdraw successively.The present invention not only can be used on the equipment such as fixing crane ship, Fang Bo, can also be used in fixing described assembly
Platform, described assembly platform, in the presence of described anchor ingot and anchor hawser, can fix afloat setting position.
To sum up, technical scheme of the present invention has the advantage that
1. the installation method of seabed anchor ingot of the present invention, described crane ship is provided with two sets of steel wire ropes, in described step s1, profit
With the first set steel wire rope on crane ship from side is refuted cat ingot be displaced to and cast a near zone, anchor ingot sinking is entered sea
Bottom, completes to cast work for the first time, casts work by first time and is conducive to extending the length of lifting rope；In described step s2, will
One end of second set of steel wire rope is connected with described first set steel wire rope, and the other end connects to described crane ship, thus realizing prolonging
The purpose of long lifting rope length, is conducive to for described anchor ingot casting specified location；In described step s3, by described anchor ingot from seabed
Again lift by crane and make described anchor ingot to be suspended in sea water, then move described crane ship to casting a little, can accurately reach throwing
The position setting up an office, is conducive to the positioning of described anchor ingot；In described step s4, by controlling the speed of described lifting ship's tackle by institute
State anchor ingot sinking to seabed precalculated position, thus ensureing that what anchor spindle position completed described anchor ingot while putting cast work.
2. the installation method of seabed anchor ingot of the present invention, one end of described second set of steel wire rope is connected to described first
On the eye splice of set steel wire rope, the other end connects to the suspension hook of described crane ship.Specifically, described step s2 passes through anchor boat
Cooperation, one end of described second set of steel wire rope is connected to the eye splice of described first set steel wire rope, the other end connects to institute
Stating on the suspension hook of crane ship, thus realizing extending the purpose of lifting rope length, being conducive to for described anchor ingot casting specified location.
Obviously, above-described embodiment is only intended to clearly illustrate example, not the restriction to embodiment.For
For those of ordinary skill in the art, other multi-form changes can also be made on the basis of the above description or become
Dynamic.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or change
Move among still in the protection domain of the invention.
Claims (10)
1. a kind of installation method of seabed anchor ingot, described crane ship is provided with two sets of steel wire ropes, and its step is as follows:
Step s1: using the first set steel wire rope on crane ship from side is refuted cat ingot be displaced to and cast a near zone,
Anchor ingot sinking is entered seabed；
Step s2: one end of second set of steel wire rope is connected with described first set steel wire rope, the other end connects to described crane ship
On；
Step s3: described anchor ingot is lifted by crane again from seabed and makes described anchor ingot be suspended in sea water, mobile described crane ship is extremely
Cast a little；
Step s4: by the speed of the described lifting ship's tackle of control by described anchor ingot sinking to seabed precalculated position.
2. according to claim 1 seabed anchor ingot installation method it is characterised in that: before described step s1, described anchor ingot
Defeated by side's transportation by lighter, and drive described side to refute movement to casting near a little by tugboat.
3. according to claim 1 seabed anchor ingot installation method it is characterised in that: in described step s1, described cast a little
Near zone refers to the naked petrographic province domain in certain altitude for the depth of water.
4. according to claim 1 seabed anchor ingot installation method it is characterised in that: in described step s2, by described second
One end of set steel wire rope connects to the eye splice of described first set steel wire rope, and the other end connects to the suspension hook of described crane ship
On.
5. according to claim 4 seabed anchor ingot installation method it is characterised in that: described step s2 is coordinated by anchor boat
Complete.
6. according to claim 1 seabed anchor ingot installation method it is characterised in that: in described step s3, described anchor ingot from
Seabed is lifted by crane again can make described anchor ingot be suspended in sea water after disengaging seabed scar is to setpoint distance.
7. according to claim 1 seabed anchor ingot installation method it is characterised in that: in described step s4, by total powerstation
After Convergence method positions the position of described anchor ingot, will be pre- to seabed for described anchor ingot sinking by the speed controlling described lifting ship's tackle
Positioning is put.
8. according to claim 7 seabed anchor ingot installation method it is characterised in that: after the completion of described step s4, cut off institute
State an eye splice of second set of steel wire rope, second set of steel wire rope of extraction is carried from the suspension hook of described crane ship, makes described first
Set steel wire rope sinks to seabed.
9. according to claim 7 seabed anchor ingot installation method it is characterised in that: during described anchor ingot sinking, described anchor ingot
Top is respectively provided with Denima rope, and described hawser one end is fixed in advance and enters sea with anchor ingot on anchor ingot, and the other end is made
Sling is fixed on temporary steel floating drum by steel wire rope.
10. according to claim 9 seabed anchor ingot installation method it is characterised in that: described temporary steel floating drum floats on institute
State on the sea near anchor ingot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845777.7A CN106335608B (en) | 2016-09-23 | 2016-09-23 | The installation method of seabed anchor ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845777.7A CN106335608B (en) | 2016-09-23 | 2016-09-23 | The installation method of seabed anchor ingot |
Publications (2)
| Publication Number | Publication Date |
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| CN106335608A true CN106335608A (en) | 2017-01-18 |
| CN106335608B CN106335608B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610845777.7A Active CN106335608B (en) | 2016-09-23 | 2016-09-23 | The installation method of seabed anchor ingot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435819A (en) * | 2019-07-31 | 2019-11-12 | 中交一航局第二工程有限公司 | Ship fixed system and ship fixing means |
| CN112081451A (en) * | 2020-07-22 | 2020-12-15 | 海洋石油工程股份有限公司 | Automatic steel wire rope releasing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110435819A (en) * | 2019-07-31 | 2019-11-12 | 中交一航局第二工程有限公司 | Ship fixed system and ship fixing means |
| CN112081451A (en) * | 2020-07-22 | 2020-12-15 | 海洋石油工程股份有限公司 | Automatic steel wire rope releasing device |
| CN112081451B (en) * | 2020-07-22 | 2021-08-31 | 海洋石油工程股份有限公司 | Automatic steel wire rope releasing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106335608B (en) | 2017-12-29 |
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Effective date of registration: 20230907 Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. Address before: No. 462 Yanjiang East Road, Zhenhai District, Wenzhou City, Zhejiang Province, 315000 Patentee before: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. |
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