CN106985973A - A kind of marine site probing sand anchor and cast anchor and the method that weighs anchor - Google Patents
A kind of marine site probing sand anchor and cast anchor and the method that weighs anchor Download PDFInfo
- Publication number
- CN106985973A CN106985973A CN201710141323.6A CN201710141323A CN106985973A CN 106985973 A CN106985973 A CN 106985973A CN 201710141323 A CN201710141323 A CN 201710141323A CN 106985973 A CN106985973 A CN 106985973A
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- CN
- China
- Prior art keywords
- anchor
- predetermined
- sand
- pipeline
- marine site
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- 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.)
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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
- B63B21/22—Handling or lashing of anchors
-
- 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
- B63B21/22—Handling or lashing of anchors
- B63B2021/225—Marker buoys for indicating position of an anchor, or for providing a line connection between the anchor and the water surface
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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)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of marine site probing sand anchor, including anchor body, the bottom of anchor body is provided with the steel loop for rode.Further relate to a kind of marine site probing to cast anchor and the method that weighs anchor, it comprises the following steps：(1) position of submarine cable line is positioned, is marked with the first buoy；(2) choose at 1 points as predetermined anchor position and ensure to keep certain safe distance between each predetermined anchor position and cable, the coordinate and longitude and latitude of four predetermined anchor positions are obtained respectively；(3) anchor line is tied up on the steel loop of sand anchor, sand anchor is thrown respectively and is placed on predetermined anchor position, the free end of anchor line sets the second buoy；(4) after the end of job of drilling platform ship, the position of sand anchor is found according to the second buoy, sand anchor is fallen into pull-off bed mud face certain distance off sea, anchor is finally twisted and sand anchor is towed back into drilling platform ship.The present invention by special sand anchor design and it is distinctive cast anchor, the method that weighs anchor is set, triggering damaged or hook disconnected to submerged pipeline can be prevented effectively from, the pipeline facility in seabed is protected.
Description
Technical field
The present invention relates to field of ocean engineering, more particularly to a kind of marine site probing sand anchor and cast anchor and the side of weighing anchor
Method.
Background technology
As Along Zhejiang Coast marine site is developed, coastal native country is contacted more and more closely, under the mud face of seabed with marine site islands and reefs
Water delivery, oil transportation, optical cable and the military fiber optic cable of distribution are typically distributed across the position of 1~3m under the mud face of seabed.With economic high speed
The construction of bridge spanning the sea between development, island is more and more, and the ocean exploration project involved is more and more, and marine site probing is applied
Work is typically all that 100~300 tons of ships of rental cast anchor positioning, due to more than Area of The East China Sea seabed with the floating product of mud, in order to ensure to throw
The stability of ship after anchor, it is general to use the aduncate anchor type of anchor leaf, but such as in seabed during this kind of anchor type construction end anchor
Mud is directly unmoored under face, is easily triggered damaged by pipeline when distributed pipeline anchor capstan draws anchor under such as seabed mud face or is hooked disconnected.
At present, the laying method of submarine pipeline has been studied, and such as (application publication number is Application No. 201510128941.8
The A of CN 104696588) the Chinese invention patent method that discloses a kind of starting laying of deep-water subsea pipeline, while to marine site
The salvaging of middle anchor system, pull and also have research, such as (application publication number is the A of CN 101769806 to Application No. 200810205050.8
Chinese invention patent, Application No. 201010151846.7 (application publication number be the A of CN 102219047) Chinese invention it is special
Profit etc..However, there is presently no a kind of method cast anchor and weighed anchor, this method, which can be prevented effectively from, to weigh anchor to seabed mud EDS maps
Pipeline is impacted.
The content of the invention
First technical problem to be solved by this invention is to provide when one kind weighs anchor for prior art and be avoided that sea
Bottom pipeline triggers the damaged or disconnected marine site probing sand anchor of hook.
Second technical problem to be solved by this invention is to provide a kind of application for prior art to have above-mentioned sand anchor
Marine site probing cast anchor and the method that weighs anchor, this method, which can be prevented effectively from when weighing anchor, to be triggered damaged or hooks disconnected submerged pipeline.
The present invention solve technical scheme that above-mentioned first technical problem used for：A kind of marine site probing sand anchor, bag
Include anchor body, it is characterised in that the bottom of the anchor body is provided with the steel loop for rode.
Preferably, the anchor body is eight word anchors, the steel ring welding is in the center of the bottom of anchor body, so as to more preferable
Fall to weigh anchor in ground.
The present invention solve technical scheme that above-mentioned second technical problem used for：A kind of application has above-mentioned marine site to bore
The marine site probing of spy sand anchor is cast anchor and the method that weighs anchor, it is characterised in that comprised the following steps：
(1) position of submerged pipeline is accurately positioned, and the position of pipeline is marked with the first buoy；
(2) using the position of above-mentioned pipeline as reference, choose at 1 points as predetermined anchor position and ensure each predetermined anchor position
Certain safe distance is kept between pipeline, the coordinate and longitude and latitude of four predetermined anchor positions are obtained respectively, it is above-mentioned each predetermined
In anchor position, any three predetermined anchor positions are not on the same line；
(3) drilling platform ship is sailed into setting in place, and makes the hull of drilling platform ship substantially parallel with water (flow) direction,
Then anchor line is tied up on the steel loop of each sand anchor, sand anchor is thrown respectively and is placed on above-mentioned predetermined anchor position, the length of anchor line is slightly longer than it
Place sea water advanced simultaneously sets the second buoy in the free end of anchor line；
(4) after the end of job of drilling platform ship, the position of sand anchor is found according to the second buoy first, then sand anchor has been fallen
Depart from seabed mud face certain distance, finally twist anchor and sand anchor is towed back into drilling platform ship.
Preferably, in the step (4), when it is sea water advanced be less than 10m when, sand anchor is directly dragged to sea；Work as seawater
When depth is more than 10m, sand anchor is dragged away from after 4~6m of seabed mud face, then be dragged to sea.
Preferably, first buoy is at least 5~6, bearing of trend of each first buoy along pipeline is set and extremely
It is arranged at less at the flex point of pipeline, also, the spacing of adjacent first buoy is 20~30m, so as to floating better by first
Mark and the position of pipeline is positioned.
Preferably, the setting of the drilling platform ship and the distance of pipeline are 15~20m.
Preferably, each predetermined anchor position is distributed in the setting of drilling platform ship and the surrounding of pipeline, and it is each predetermined
Safe distance between anchor position and pipeline is more than 50m.
Preferably, the predetermined anchor position is four, the respectively first predetermined anchor position, the second predetermined anchor position, the 3rd make a reservation for
Anchor position and the 4th predetermined anchor position, wherein the distance between the first predetermined anchor position and the second predetermined anchor position and pipeline are to be more than
The distance between 50m, the 3rd predetermined anchor position and the 4th predetermined anchor position and pipeline are 180~200m.
Preferably, the anchor body is eight word anchors, center of the steel ring welding in the bottom of anchor body.
Compared with prior art, the advantage of the invention is that：The bottom of sand anchor used in the present invention is provided with for being anchor
The steel loop of rope, can make sand anchor rapid lift-off seabed mud face when so weighing anchor, be prevented effectively from when weighing anchor, and anchor body is slided in seabed mud face
Move and the pipeline for being embedded in seabed mud face is impacted.
The present invention cast anchor and the method that weighs anchor in, the position of pipeline is marked by the first buoy, set it is multiple pre-
Determine anchor position, certain safe distance is kept between each predetermined anchor position and pipeline, sand anchor is thrown respectively is placed on above-mentioned predetermined anchor position simultaneously
Marked by the second buoy, the position of sand anchor can be marked when weighing anchor according to the second buoy, then sand anchor is fallen to pull up to disengaging seabed
Mud face certain distance, finally twists anchor and sand anchor is towed back into drilling platform ship.
The present invention by special sand anchor design and it is distinctive cast anchor, the method that weighs anchor is set, can be prevented effectively to Submarine Pipeline
The damaged or hook that triggers of line breaks, and protects the cable installation in seabed.
Brief description of the drawings
Fig. 1 is probing sand anchor structural representation in marine site in the embodiment of the present invention；
Fig. 2 is the schematic diagram that cast anchor in the embodiment of the present invention；
Fig. 3 is schematic diagram when 10m (sea water advanced be less than) that weighs anchor in the embodiment of the present invention；
Fig. 4 is schematic diagram when 10m (sea water advanced be more than) that weighs anchor in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, a kind of marine site probing sand anchor, including anchor body 1, the anchor body 1 is eight word anchors, the bottom of anchor body 1
Center is welded with steel loop 2, and the steel loop 2 is used for rode.The present invention on anchor body 1 by setting steel loop 2, when so weighing anchor
The rapid lift-off seabed mud face of sand anchor can be made, be prevented effectively from when weighing anchor, anchor body 1 slid in seabed mud face and to being embedded in seabed mud face
Pipeline 3 impact.
As shown in figs. 2 to 4, marine site of the invention probing is cast anchor and the method for weighing anchor comprises the following steps：
(1) it is accurately positioned the position of submerged pipeline 3 by physical prospecting, and with position of the first buoy (not shown) to pipeline 3
It is marked, so as to the eye-catching position for intuitively determining pipeline 3.
(2) position using above-mentioned pipeline 3 chooses at 1 points as predetermined anchor position and ensures each predetermined anchor position as reference
Certain safe distance is kept between pipeline 3, and the safe distance is more than 50m, and the seat of four predetermined anchor positions is obtained respectively
Mark and longitude and latitude, in above-mentioned each predetermined anchor position, any three predetermined anchor positions are not on the same line.
(3) drilling platform ship 4 is sailed into setting in place, and the hull of drilling platform ship 4 and water (flow) direction is put down substantially
OK, and the length direction and pipeline 3 of drilling platform ship 4 bearing of trend it is substantially vertical, anchor line is then tied up to the steel of each sand anchor
On ring 2, sand anchor is thrown respectively and is placed on above-mentioned predetermined anchor position, the length of anchor line is slightly longer than sea water advanced where it and in anchor line
Free end set the second buoy 5, set the second buoy 5 be easy to after the end of job find sand anchor.
(4) after the end of job of drilling platform ship 4, the position of sand anchor is found according to the second buoy 5 first, then with the ship that casts anchor
Sand anchor is fallen pull-off bed mud face certain distance off sea by 6, and finally twisting anchor with the anchor capstan of drilling platform ship 4 tows back to drilling platform ship 4.
Further, it is that the first buoy is 5~6, each first in the position of preferably determination pipeline 3, above-mentioned steps (1)
Bearing of trend of the buoy along pipeline 3 is set and at least provided with the flex point of pipeline, also, the spacing of adjacent first buoy is 20
~30m.
Further, in above-mentioned steps (2), predetermined anchor position is four, the respectively first predetermined anchor position 71, the second predetermined anchor position
72nd, the 3rd predetermined anchor position 74 in predetermined anchor position 73 and the 4th, four predetermined anchor positions are arranged on using the position of pipeline 3 as reference
At the corner of pipeline 3, and to be all higher than 50m (excellent for the distance between the first predetermined anchor position 72 in predetermined anchor position 71 and second and pipeline 3
Elect 50~100m as), the distance between the 3rd predetermined anchor position 74 in predetermined anchor position 73 and the 4th and pipeline 3 are 180~200m, from
And it is that pipeline 3 is damaged that can preferably avoid casting anchor and weigh anchor.
Further, in above-mentioned steps (3), the setting of drilling platform ship 4 is 15~20m, above-mentioned four with the distance of pipeline 3
Individual predetermined anchor position is distributed in the setting of drilling platform ship 4 and the surrounding of pipeline 3.
Further, in above-mentioned steps (4), when it is sea water advanced be less than 10m when, sand anchor is directly dragged to sea (such as Fig. 3 institutes
Show)；When it is sea water advanced be more than 10m when, sand anchor is dragged away from after the 5m of seabed mud face, then be dragged to sea (as shown in Figure 4).
The present invention cast anchor and the method that weighs anchor in, the position of pipeline 3 is marked by the first buoy, set it is multiple pre-
Determine anchor position, certain safe distance is kept between each predetermined anchor position and pipeline 3, sand anchor is thrown respectively to be placed on above-mentioned predetermined anchor position
And marked by the second buoy 5, the position of sand anchor can be marked when weighing anchor according to the second buoy 5, then falls to pull up disengaging by sand anchor
Seabed mud face certain distance, finally twists anchor and sand anchor is towed back into drilling platform ship 4.The present invention is designed and peculiar by special sand anchor
Cast anchor, the method that weighs anchor is set, triggering damaged or hook disconnected to submerged pipeline can be prevented effectively from, the cable installation in seabed is protected.
Claims (9)
1. a kind of marine site probing sand anchor, including anchor body (1), it is characterised in that the bottom of the anchor body (1) is provided with for being
The steel loop (2) of anchor line.
2. probing anchor in marine site as claimed in claim 1, it is characterised in that the anchor body (1) is eight word anchors, the steel loop
(2) it is welded on the center of the bottom of anchor body (1).
3. the marine site probing that a kind of application has probing sand anchor in marine site as claimed in claim 1 is cast anchor and the method that weighs anchor, it is special
Levy and be to comprise the following steps：
(1) position of submerged pipeline (3) is accurately positioned, and the position of pipeline (3) is marked with the first buoy；
(2) position using above-mentioned pipeline (3) is reference, choose 1 points as predetermined anchor position and ensure each predetermined anchor position with
Pipeline keeps certain safe distance between (3), and the coordinate and longitude and latitude of four predetermined anchor positions are obtained respectively, above-mentioned each predetermined
In anchor position, any three predetermined anchor positions are not on the same line；
(3) drilling platform ship (4) is sailed into setting in place, and the hull of drilling platform ship (4) and water (flow) direction is put down substantially
OK, then anchor line is tied up on the steel loop (2) of each sand anchor, sand anchor is thrown respectively and is placed on above-mentioned predetermined anchor position, the length of anchor line
Sea water advanced slightly longer than where it simultaneously sets the second buoy (5) in the free end of anchor line；
(4) after drilling platform ship (4) end of job, the position of sand anchor is found according to the second buoy (5) first, then sand anchor is fallen
Pull-off bed mud face certain distance off sea, finally twists anchor and sand anchor is towed back into drilling platform ship (4).
4. marine site probing as claimed in claim 3 is cast anchor and the method that weighs anchor, it is characterised in that in the step (4), work as seawater
When depth is less than 10m, sand anchor is directly dragged to sea；When it is sea water advanced be more than 10m when, drag sand anchor away from seabed mud face 4~6m
Afterwards, then it is dragged to sea.
5. the marine site probing as described in claim 3 or 4 is cast anchor and the method that weighs anchor, it is characterised in that first buoy is at least
For 5~6, bearing of trend of each first buoy along pipeline (3) is set and at least provided with the flex point of pipeline, also, adjacent
The spacing of first buoy is 20~30m.
6. the marine site probing as described in claim 3 or 4 is cast anchor and the method that weighs anchor, it is characterised in that the drilling platform ship (4)
The distance of setting and pipeline (3) be 15~20m.
7. marine site probing as claimed in claim 6 is cast anchor and the method that weighs anchor, it is characterised in that each predetermined anchor position is distributed in
The setting of drilling platform ship (4) and the surrounding of pipeline (3), and safe distance between each predetermined anchor position and pipeline (3) is more than
50m。
8. marine site probing as claimed in claim 7 is cast anchor and the method that weighs anchor, it is characterised in that the predetermined anchor position is four,
Respectively first predetermined anchor position (71), the second predetermined anchor position (72), the 3rd predetermined anchor position (73) and the 4th predetermined anchor position (74),
The distance between wherein first predetermined anchor position (71) and the second predetermined anchor position (72) and pipeline (3) are more than 50m, the 3rd predetermined anchor position
And the distance between the 4th predetermined anchor position (74) and pipeline (3) are 180~200m (73).
9. the marine site probing as described in claim 3 or 4 is cast anchor and the method that weighs anchor, it is characterised in that the anchor body (1) is eight words
Anchor, the steel loop (2) is welded on the center of the bottom of anchor body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141323.6A CN106985973B (en) | 2017-03-10 | 2017-03-10 | A kind of sea area probing sand anchor cast anchor and the method that weighs anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141323.6A CN106985973B (en) | 2017-03-10 | 2017-03-10 | A kind of sea area probing sand anchor cast anchor and the method that weighs anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106985973A true CN106985973A (en) | 2017-07-28 |
| CN106985973B CN106985973B (en) | 2019-04-26 |
Family
ID=59413183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710141323.6A Active CN106985973B (en) | 2017-03-10 | 2017-03-10 | A kind of sea area probing sand anchor cast anchor and the method that weighs anchor |
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| CN (1) | CN106985973B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697230A (en) * | 2017-09-01 | 2018-02-16 | 中交第航务工程局有限公司 | A kind of anchorage regardless prestretching anchoring method |
| CN107826214A (en) * | 2017-10-25 | 2018-03-23 | 中国港湾工程有限责任公司 | Marine site probing sand anchor and cast anchor and the method that weighs anchor |
| CN109613578A (en) * | 2018-12-29 | 2019-04-12 | 上海大学 | It is a kind of for seeking the ship's fix method of submarine target |
| CN109720507A (en) * | 2019-01-02 | 2019-05-07 | 中国矿业大学 | A kind of rigid elastic mooring deep-sea platform structure |
| CN110356510A (en) * | 2019-06-14 | 2019-10-22 | 安徽省利诚水产开发有限公司 | A kind of big safe berthing methods of water surface monomer fishing boat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701688B1 (en) * | 1993-02-19 | 1995-09-22 | Corbiere Jerome | DEVICE FOR LOCATING MARINE ANCHORS AND ANCHORS THUS EQUIPPED. |
| JP2636173B2 (en) * | 1994-07-29 | 1997-07-30 | 久俊 吉田 | Small anchor |
| JP2005007987A (en) * | 2003-06-18 | 2005-01-13 | Fukushima Tatsuya | Anchor |
| CN204567999U (en) * | 2014-12-16 | 2015-08-19 | 湖北华舟重工应急装备股份有限公司 | Bridge train heavy has thrown anchor-hold |
-
2017
- 2017-03-10 CN CN201710141323.6A patent/CN106985973B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701688B1 (en) * | 1993-02-19 | 1995-09-22 | Corbiere Jerome | DEVICE FOR LOCATING MARINE ANCHORS AND ANCHORS THUS EQUIPPED. |
| JP2636173B2 (en) * | 1994-07-29 | 1997-07-30 | 久俊 吉田 | Small anchor |
| JP2005007987A (en) * | 2003-06-18 | 2005-01-13 | Fukushima Tatsuya | Anchor |
| CN204567999U (en) * | 2014-12-16 | 2015-08-19 | 湖北华舟重工应急装备股份有限公司 | Bridge train heavy has thrown anchor-hold |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697230A (en) * | 2017-09-01 | 2018-02-16 | 中交第航务工程局有限公司 | A kind of anchorage regardless prestretching anchoring method |
| CN107826214A (en) * | 2017-10-25 | 2018-03-23 | 中国港湾工程有限责任公司 | Marine site probing sand anchor and cast anchor and the method that weighs anchor |
| CN107826214B (en) * | 2017-10-25 | 2019-02-19 | 中国港湾工程有限责任公司 | It sea area probing sand anchor and casts anchor and the method that weighs anchor |
| CN109613578A (en) * | 2018-12-29 | 2019-04-12 | 上海大学 | It is a kind of for seeking the ship's fix method of submarine target |
| CN109613578B (en) * | 2018-12-29 | 2020-11-06 | 上海大学 | Ship positioning method for searching underwater target |
| CN109720507A (en) * | 2019-01-02 | 2019-05-07 | 中国矿业大学 | A kind of rigid elastic mooring deep-sea platform structure |
| CN110356510A (en) * | 2019-06-14 | 2019-10-22 | 安徽省利诚水产开发有限公司 | A kind of big safe berthing methods of water surface monomer fishing boat |
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|---|---|
| CN106985973B (en) | 2019-04-26 |
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Address after: 315031, Ningbo, Jiangbei Town, Jiangbei District, Zhejiang, Jiefang Road 178 Patentee after: Zhejiang engineering survey and Design Institute Group Co.,Ltd. Address before: 315031, Ningbo, Jiangbei Town, Jiangbei District, Zhejiang, Jiefang Road 178 Patentee before: ZHEJIANG ENGINEERING INVESTIGATION INSTITUTE |
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