CN101148191A - Method for mounting seabed anchor - Google Patents
Method for mounting seabed anchor Download PDFInfo
- Publication number
- CN101148191A CN101148191A CNA2007101773365A CN200710177336A CN101148191A CN 101148191 A CN101148191 A CN 101148191A CN A2007101773365 A CNA2007101773365 A CN A2007101773365A CN 200710177336 A CN200710177336 A CN 200710177336A CN 101148191 A CN101148191 A CN 101148191A
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- China
- Prior art keywords
- anchor
- anchor tube
- seabed
- tube
- soil
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Abstract
The seabed anchor pipe installing process includes setting one mechanical vibrating unit in the top of anchor pipe, setting the anchor pipe on the seabed earth body, and inserting the anchor pipe to required depth for anchoring by means of mechanical vibration and the dead weight of the anchor pipe. Applying mechanical vibration can soften or even liquefy the earth body around the anchor pipe to reduce the resistance to the inserted anchor pipe. The present invention can ensure sufficient anchoring effect.
Description
Technical field
The present invention relates to a kind of in the seabed, with the method for anchor installation in position in submarine soil.
Background technology
In order to keep the stable of maritime facilities such as platform, anchor need be set in the seabed usually, utilize anchor to fix maritime facilities.Be subjected to the restriction of construction environment, existing seabed anchor mostly by directly be pressed into, hammering squeezes into, these two kinds of mounting means cost height, the cycle is long.A kind of new mode is arranged recently, promptly be prefabricated into an end opening, an end osed top tubular, at the construction field (site) by water or air in the pump drainage anchor tube, make to form negative pressure in the anchor tube, and utilize the inside and outside pressure reduction that produces of anchor tube, the anchor tube is pressed into and is anchored in the submarine soil.Because this installation method is to utilize the inside and outside pressure reduction of anchor tube to realize, in a single day be full of submarine soil in it, to not form pressure reduction, also just can not make the anchor tube continue to go deep into submarine soil again, therefore, the anchor that utilizes this method to install exist depth of penetration little, washed away by ocean current easily and lose the defective of anchorage effect.
Summary of the invention
At the problem that prior art exists, the purpose of this invention is to provide a kind of installation method of new seabed anchor, utilize this method can be easily with anchor installation in position desired depth place in the submarine soil, guarantee the anchoring effect of anchor.
For achieving the above object, seabed of the present invention anchor installation method is specially, at first mechanical vibrator is set at anchor tube top, and the anchor tube is placed on the submarine soil by known way, utilize the vibration and the deadweight of anchor tube of mechanical vibrator to make the anchor tube be inserted into the interior desired depth place of submarine soil, anchored then.
Further,, also press water and/or gas in the outside pump drainage anchor of the known way tube simultaneously under mechanical vibration and deadweight effect in submarine soil, make the inside and outside pressure reduction that forms of anchor tube, utilize this pressure reduction backup anchor tube to insert submarine soil at the initial stage that described anchor tube inserts.
Further, described mechanical vibrator is installed on described anchor tube the top fixing support or pole, by this support or pole with the transfer of vibration of its generation to the anchor tube, the submerge degree of depth of submarine soil of the length of described support or pole and anchor tube top adapts.
Further, described mechanical vibrator is vibrating motor or pneumatic vibrator unit or hydraulic vibration device.
After applying mechanical vibration on the anchor tube, in the process that it inserts in submarine soil, the mechanical vibration that produce on the anchor tube constantly make the soil body around it softening, even liquefaction, thereby greatly reduce the resistance that the anchor tube inserts, and have made things convenient for the insertion of anchor tube; Simultaneously,, therefore can be inserted into appropriate depth place in the soil body as required, guarantee its anchoring effect in submarine soil because this method is not subjected to whether to be full of in the anchor tube restriction of the soil body.
Description of drawings
Accompanying drawing is depicted as the present invention's scheme drawing of constructing.
The specific embodiment
As shown in drawings, when the anchoring operation of carrying out the seabed anchor, at first by pole 2 mechanical vibrators 1 are installed at the top of anchor tube 3 according to the inventive method, the length of pole 2 and the anchor tube 3 tops interior degree of depth of submarine soil of submerging adapts; Then, utilize the mechanical vibration of mechanical vibrator generation and the deadweight of anchor tube, anchor tube 3 is inserted in the submarine soil 4 automatically.
In the process that the soil body 4 inserts, the soil body around the anchor tube 3 is along with vibration, and is constantly softening, even liquefaction at anchor tube 3,3 in anchor tube under the deadweight effect, constantly will around the softening soil body arrange laterally, and insert to soil body depths gradually.
Because the present invention has utilized the soil body that characteristics softening even liquefaction can take place under oscillating action, therefore, only need to use the equipment of smaller power to implement, also be not subjected to whether to be full of in the anchor tube restriction of the soil body simultaneously, can easily the anchor tube be inserted in the soil body desired depth position and carry out anchored.
Above-mentioned mechanical vibrator both can adopt motor-driven oscillatory system, also can adopt hydraulically powered oscillatory system or pneumatic vibrator unit.
When 3 in anchor tube is inserted into that its top flushes with submarine soil 4 or when only submerging the degree of depth very little, also mechanical vibrator 1 directly can be fixed on the top of anchor tube 3, and need not increases pole 2.
For the speed of accelerating in the soil body 4, to insert at incipient stage anchor tube 3, also known exhaust device can be installed simultaneously at anchor tube 3 tops, by this device water and/or gas in the anchor tube 3 are discharged, make the anchor tube 3 inside and outside pressure reduction that form, and utilize the deadweight combined action of this pressure reduction and anchor tube 3, make it insert the soil body 4 fast.After treating to be full of the soil body in the anchor tube 3, can remove exhaust device.
Claims (4)
1. the installation method of a seabed anchor, be specially, at first mechanical vibrator be set, and the anchor tube be placed on the seabed soil by known way at anchor tube top, utilize the vibration and the deadweight of anchor tube of mechanical vibrator to make the anchor tube be inserted into the interior desired depth place of seabed soil, anchored then.
2. the installation method of seabed as claimed in claim 1 anchor, it is characterized in that, at the initial stage that described anchor tube inserts in seabed soil under mechanical vibration and deadweight effect, also press water and/or gas in the outside pump drainage anchor of the known way tube simultaneously, make the inside and outside pressure reduction that forms of anchor tube, utilize this pressure reduction backup anchor tube to insert seabed soil.
3. the installation method of seabed as claimed in claim 1 anchor, it is characterized in that, described mechanical vibrator is installed on described anchor tube the top fixing support or pole, by this support or pole with the transfer of vibration of its generation to the anchor tube, the submerge degree of depth of seabed soil of the length of described support or pole and anchor tube top adapts.
4. the installation method of seabed as claimed in claim 1 anchor is characterized in that, described mechanical vibrator is vibrating motor or pneumatic vibrator unit or hydraulic vibration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101773365A CN101148191A (en) | 2007-11-14 | 2007-11-14 | Method for mounting seabed anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101773365A CN101148191A (en) | 2007-11-14 | 2007-11-14 | Method for mounting seabed anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101148191A true CN101148191A (en) | 2008-03-26 |
Family
ID=39248917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101773365A Pending CN101148191A (en) | 2007-11-14 | 2007-11-14 | Method for mounting seabed anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101148191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963500A (en) * | 2012-12-05 | 2013-03-13 | 浙江海洋学院 | Dragging-prevention device for fishing boat |
| CN103052561A (en) * | 2010-05-28 | 2013-04-17 | 洛克希德马丁公司 | Undersea anchoring system and method |
| CN106335608A (en) * | 2016-09-23 | 2017-01-18 | 中交第三航务工程局有限公司宁波分公司 | Mounting method of seabed anchor |
-
2007
- 2007-11-14 CN CNA2007101773365A patent/CN101148191A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052561A (en) * | 2010-05-28 | 2013-04-17 | 洛克希德马丁公司 | Undersea anchoring system and method |
| CN103052561B (en) * | 2010-05-28 | 2017-03-22 | 洛克希德马丁公司 | Undersea anchoring system and method |
| US10030349B2 (en) | 2010-05-28 | 2018-07-24 | Lockheed Martin Corporation | Undersea anchoring system and method |
| CN102963500A (en) * | 2012-12-05 | 2013-03-13 | 浙江海洋学院 | Dragging-prevention device for fishing boat |
| CN102963500B (en) * | 2012-12-05 | 2015-04-22 | 浙江海洋学院 | Dragging-prevention device for fishing boat |
| CN106335608A (en) * | 2016-09-23 | 2017-01-18 | 中交第三航务工程局有限公司宁波分公司 | Mounting method of seabed anchor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080326 |