CN112897339A - Method for turning large-diameter single pile of full-rotation crane ship - Google Patents
Method for turning large-diameter single pile of full-rotation crane ship Download PDFInfo
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- CN112897339A CN112897339A CN202110042303.XA CN202110042303A CN112897339A CN 112897339 A CN112897339 A CN 112897339A CN 202110042303 A CN202110042303 A CN 202110042303A CN 112897339 A CN112897339 A CN 112897339A
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- Prior art keywords
- single pile
- hook
- auxiliary
- main
- ship
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Abstract
The invention discloses a method for turning a large-diameter single pile of a full-circle slewing crane ship, which comprises the following steps of: s1: positioning a ship, namely anchoring and positioning a crane ship and a transport ship when the crane ship and the transport ship run to the wind field machine position, and keeping the positions relatively stable; s2: selecting proper sling, main sling and auxiliary sling, welding a pad beam and a limiter on the transport ship in advance, and facilitating the fixed placement of the single pile; s3: the main lifting rope parallelly hangs the lifting rope tool on the main hook, the auxiliary hook is hung on the auxiliary hook, one end of the auxiliary lifting rope is hung on the main hook, the main lifting rope is connected with lifting lugs on two sides of the single pile, and the other end of the auxiliary lifting rope is provided with a tail sliding hook fixed at the other end of the single pile; s4: and the main hook lifts the single pile, after the single pile leaves the transport ship, the transport ship drives away from the crane ship, the single pile is lifted until the tail hook is unhooked, and then the single pile is continuously lifted to be vertical, so that pile turning is completed. The main and auxiliary lifting ropes on the crane ship enable the single pile to be more stable under the matching of the lifting piles, the operation safety is improved, the whole construction process is simple and reliable, and the construction efficiency is high.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of offshore wind power engineering, and particularly relates to a method for turning a large-diameter single pile of a full-rotation crane ship.
[ background of the invention ]
The offshore wind power generation method has the advantages that offshore wind power is rapid, the power generation is realized by fully utilizing offshore wind power resources, a part of electric energy sources can be provided for cities, the power supply pressure of the cities is relieved, the construction of offshore wind power engineering is complex and difficult to achieve, the single-pile foundation is one of the most common structures of offshore wind turbine foundations, the structure is simple, the technology is mature, after the single-pile foundation is constructed and transported to a construction site by a transport ship, a crane ship is used for turning over and erecting piles, the single pile is large in size and large in mass, the existing technology is used for hanging and turning over piles on the sea, and the working efficiency is low.
[ summary of the invention ]
In order to solve the existing problems in the background art, the invention provides a method for turning a large-diameter single pile by a full-rotation crane ship.
The invention adopts the following technical scheme:
a method for turning over a large-diameter single pile of a full-rotation crane ship comprises the following steps:
s1: positioning a ship, namely anchoring and positioning a crane ship and a transport ship when the crane ship and the transport ship run to the wind field machine position, and keeping the positions relatively stable;
s2: selecting proper sling, main sling and auxiliary sling, welding a pad beam and a limiter on the transport ship in advance, and facilitating the fixed placement of the single pile;
s3: the main lifting rope parallelly hangs the lifting rope tool on the main hook, the auxiliary hook is hung on the auxiliary hook, one end of the auxiliary lifting rope is hung on the main hook, the main lifting rope is connected with lifting lugs on two sides of the single pile, and the other end of the auxiliary lifting rope is provided with a tail sliding hook fixed at the other end of the single pile;
s4: and the main hook lifts the single pile, after the single pile leaves the transport ship, the transport ship drives away from the crane ship, the single pile is lifted until the tail hook is unhooked, and then the single pile is continuously lifted to be vertical, so that pile turning is completed.
Further, step S1 includes:
s11: calculating coordinates of five anchor points in advance according to the wind field machine position;
s12: the crane ship is anchored and positioned on the coordinates of the five anchor points, and the crane ship is accurately positioned on the wind field machine position 150m away from the pile stabilizing platform by anchor winches;
s13: the transport ship runs to the transport ship and is positioned under the main hook and is parallel to the crane ship.
Further, step S2 includes:
s21: after selecting a proper sling, connecting a main lifting rope to two ends of the sling;
s22: one end of the auxiliary lifting rope is connected with the tail sliding hook.
Further, step S3 includes:
s31: the main lifting rope and the auxiliary lifting rope are hung on the main hook together, meanwhile, the auxiliary rope is tied on the auxiliary hook, after the main hook is placed right above the single pile, the main lifting rope and lifting lugs on two sides of the single pile are connected, the tail sliding hook on the auxiliary lifting rope clamps the other end of the single pile, the guy rope is tied at the lifting lugs to prevent the rope from falling off, and the main lifting rope, the auxiliary lifting rope and the single pile are connected in a tightening mode through dragging the guy rope.
Further, step S4 includes:
s41: lifting the main hook, gradually lifting the single pile, obliquely lifting the single pile until the single pile is completely separated from the transport ship, and then driving the transport ship away from the crane ship;
s42: and (3) the single pile begins to sink to the mud surface, the main hook is observed to bear the tonnage, after the tonnage is detected to be reduced, the auxiliary hook tightens the auxiliary rope to drive the auxiliary lifting rope to be separated from the main hook, the auxiliary hook is pulled again to enable the tail sliding hook to be separated from the single pile, then the main hook is lifted to the single pile to be erected, the guy rope is tightened, and pile overturning is completed.
The invention has the following beneficial effects:
the construction is carried out by adopting the full-circle-turning crane ship, the traditional double ships are replaced to participate in lifting, and the investment cost of equipment is reduced.
The boom on the crane ship is provided with a main hook and an auxiliary hook for matching, lifting ropes are hung on the main hook and connected with lifting lugs on two sides of a single pile, one end of an auxiliary lifting rope is hung on the main hook and connected on the auxiliary hook through an auxiliary rope, the other end of the auxiliary lifting rope is connected with a tail hook in a clamping mode and connected with the tail end of the single pile, the single pile is lifted and sunk to a mud surface gradually by lifting of the main hook, the auxiliary lifting rope is tightened by the auxiliary hook and gradually separated from the main hook and the tail hook separated from the single pile, finally the single pile is lifted to be erected by the main hook to complete pile overturning, the single pile can be more stable by the main lifting rope and the auxiliary lifting rope under the matching of the lifting piles, the operation safety is improved, the whole construction process is simple and reliable.
[ description of the drawings ]
FIG. 1 is a schematic view of the positioning structure of a fully slewing crane vessel and a transport vessel according to the present invention;
FIG. 2 is a schematic structural view of the crane of the present invention with the main lifting rope, the auxiliary lifting rope and the mono-pile connected;
FIG. 3 is a schematic view of the construction of the present invention in lifting a single pile;
fig. 4 is a schematic view of the construction of the present invention for lifting a mono pile.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
The invention relates to a method for turning a large-diameter single pile of a full-rotation crane ship, which specifically comprises the following steps:
s1: positioning a ship, namely driving a crane ship 1 and a transport ship 2 to a wind field machine position for anchoring and positioning as shown in figure 1, and keeping the positions relatively stable; specifically, five anchor point coordinates are obtained through pre-calculation according to the wind field machine position, the crane ship 1 is anchored and positioned on the five anchor point coordinates, the crane ship 1 is accurately positioned on the wind field machine position 150m away from the pile stabilizing platform through anchor mooring, then the transport ship 2 runs to a position right below a main hook 3 on the transport ship 2 and is anchored, the position parallel to the crane ship 1 is convenient for the follow-up main hook 3 to be lowered to directly lift a single pile 4, and the steps of arm support adjustment are reduced.
S2: as shown in fig. 2, selecting proper lifting rigging 5, main lifting rope 6 and auxiliary lifting rope 7, and welding pad beams and a stopper before the transport ship 2 is lifted, so as to facilitate the fixed placement of the single pile 4; specifically, the main lifting rope 6 is connected to two ends of the lifting rigging 5, in the installation process, the lifting rigging 5 must be adjusted to be horizontal, the stress of the lifting pile can be evenly applied to two sides of the single pile 4, one end of the auxiliary lifting rope 7 is tied with the tail sliding hook 8, and the main lifting rope 7 and the auxiliary lifting rope 7 participate in the safety of the lifting construction together.
S3: as shown in fig. 2, the main lifting rope 6 hangs the lifting rope tool 5 on the main hook 3 in parallel, the auxiliary lifting rope 9 hangs the auxiliary rope 10 on the auxiliary hook 9 to hang one end of the auxiliary lifting rope 7 on the main hook 3, the main lifting rope 6 is connected with the lifting lugs on two sides of the single pile 4, and the other end of the auxiliary lifting rope 7 is provided with the tail sliding hook 8 fixed at the other end of the single pile 4; specifically, main lifting rope 6 and vice lifting rope 7 are together hung and are established on main hook 3, supplementary rope 10 system simultaneously on vice hook 9, main hook 3 transfers to single pile 4 directly over the back, the lug of both sides is connected on main lifting rope 6 and the single pile 4, smooth tail hook 8 on the vice lifting rope 7 blocks on the other end of single pile 4, the rope is prevented from taking off in lug department tie up the guy rope, pull guy rope and step up main lifting rope 6, vice lifting rope 7 and single pile 4 and connect, the further dangerous emergence that the main and vice lifting rope breaks away from single pile 4 in the work progress of ensureing, the stake of single pile 4 is more firm simultaneously.
S4: as shown in fig. 3, the single pile 4 is lifted by the main hook 3, after the single pile 4 leaves the transport ship 2, the transport ship 2 drives away from the crane ship 1, the single pile 4 is lifted to the unhooking position of the tail slipping hook 8, and then the single pile 4 is continuously lifted to be vertical, specifically, in the lifting process of the main hook 3, the single pile 4 is gradually lifted, because the lifting lug is designed at one end of the middle part of the single pile 4, after the main hook 3 is lifted, the gravity center is positioned at one section of the lifting lug and the low end, and when the auxiliary lifting rope 7 is clamped at the tail end of the single pile 4 through the tail slipping hook 8, the auxiliary lifting rope 7 is not in a tight state, but in a relatively loose state, and after the single pile 4 is continuously lifted to be completely separated from the transport ship 2, the transport ship 2 drives away from the crane ship 1; the main hook 3 is lowered, the single pile 4 is slowly sunk into a mud surface, the pile bottom firstly contacts the seabed, the stress point of the single pile 4 is on a lifting lug and the seabed at the moment, the stability of pile turning is facilitated, the difficulty is reduced, then the observation that the main hook 3 bears the tonnage is carried out, after the tonnage is detected to be reduced, the auxiliary hook 9 tightens the auxiliary rope 10 to drive the auxiliary lifting rope 7 to be separated from the main hook 3, the auxiliary hook 9 is pulled again to enable the tail sliding hook 8 to be separated from the single pile 4, then the main hook 3 is lifted until the single pile 4 is erected, and the guy rope is tightened to finish pile turning in the state shown in the figure 4; it can be seen that under main lifting rope 6 and vice lifting rope 7 participate in jointly for the pile process is more firm, improves the construction security, and holistic work progress is efficient, reliable practical.
The invention has the advantages that:
the construction is carried out by adopting the full-circle-turning crane ship, the traditional double ships are replaced to participate in lifting, and the investment cost of equipment is reduced.
The boom on the crane ship is provided with a main hook and an auxiliary hook for matching, lifting ropes are hung on the main hook and connected with lifting lugs on two sides of a single pile, one end of an auxiliary lifting rope is hung on the main hook and connected on the auxiliary hook through an auxiliary rope, the other end of the auxiliary lifting rope is connected with a tail hook in a clamping mode and connected with the tail end of the single pile, the single pile is lifted and sunk to a mud surface gradually by lifting of the main hook, the auxiliary lifting rope is tightened by the auxiliary hook and gradually separated from the main hook and the tail hook separated from the single pile, finally the single pile is lifted to be erected by the main hook to complete pile overturning, the single pile can be more stable by the main lifting rope and the auxiliary lifting rope under the matching of the lifting piles, the operation safety is improved, the whole construction process is simple and reliable.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (5)
1. A method for turning over a large-diameter single pile of a full-rotation crane ship is characterized by comprising the following steps:
s1: positioning a ship, namely anchoring and positioning a crane ship and a transport ship when the crane ship and the transport ship run to the wind field machine position, and keeping the positions relatively stable;
s2: selecting proper sling, main sling and auxiliary sling, welding a pad beam and a limiter on the transport ship in advance, and facilitating the fixed placement of the single pile;
s3: the main lifting rope parallelly hangs the lifting rope tool on the main hook, the auxiliary hook is hung on the auxiliary hook, one end of the auxiliary lifting rope is hung on the main hook, the main lifting rope is connected with lifting lugs on two sides of the single pile, and the other end of the auxiliary lifting rope is provided with a tail sliding hook fixed at the other end of the single pile;
s4: and the main hook lifts the single pile, after the single pile leaves the transport ship, the transport ship drives away from the crane ship, the single pile is lifted until the tail hook is unhooked, and then the single pile is continuously lifted to be vertical, so that pile turning is completed.
2. The method for upending a large-diameter single pile by a full slewing crane vessel as claimed in claim 1, wherein the step S1 comprises:
s11: calculating coordinates of five anchor points in advance according to the wind field machine position;
s12: the crane ship is anchored and positioned on the coordinates of the five anchor points, and the crane ship is accurately positioned on the wind field machine position 150m away from the pile stabilizing platform by anchor winches;
s13: the transport ship runs to the transport ship and is positioned under the main hook and is parallel to the crane ship.
3. The method for upending a large-diameter single pile by a full slewing crane vessel as claimed in claim 1, wherein the step S2 comprises:
s21: after selecting a proper sling, connecting a main lifting rope to two ends of the sling;
s22: one end of the auxiliary lifting rope is connected with the tail sliding hook.
4. The method for upending a large-diameter single pile by a full slewing crane vessel as claimed in claim 1, wherein the step S3 comprises:
s31: the main lifting rope and the auxiliary lifting rope are hung on the main hook together, meanwhile, the auxiliary rope is tied on the auxiliary hook, after the main hook is placed right above the single pile, the main lifting rope and lifting lugs on two sides of the single pile are connected, the tail sliding hook on the auxiliary lifting rope clamps the other end of the single pile, the guy rope is tied at the lifting lugs to prevent the rope from falling off, and the main lifting rope, the auxiliary lifting rope and the single pile are connected in a tightening mode through dragging the guy rope.
5. The method for upending a large-diameter single pile by a full slewing crane vessel as claimed in claim 1, wherein the step S4 comprises:
s41: lifting the main hook, gradually lifting the single pile, obliquely lifting the single pile until the single pile is completely separated from the transport ship, and then driving the transport ship away from the crane ship;
s42: and (3) the single pile begins to sink to the mud surface, the main hook is observed to bear the tonnage, after the tonnage is detected to be reduced, the auxiliary hook tightens the auxiliary rope to drive the auxiliary lifting rope to be separated from the main hook, the auxiliary hook is pulled again to enable the tail sliding hook to be separated from the single pile, then the main hook is lifted to the single pile to be erected, the guy rope is tightened, and pile overturning is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042303.XA CN112897339A (en) | 2021-01-13 | 2021-01-13 | Method for turning large-diameter single pile of full-rotation crane ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110042303.XA CN112897339A (en) | 2021-01-13 | 2021-01-13 | Method for turning large-diameter single pile of full-rotation crane ship |
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| CN112897339A true CN112897339A (en) | 2021-06-04 |
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| CN202110042303.XA Pending CN112897339A (en) | 2021-01-13 | 2021-01-13 | Method for turning large-diameter single pile of full-rotation crane ship |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896088A (en) * | 2021-09-01 | 2022-01-07 | 中国化学工程第三建设有限公司 | Device and method for single-machine hoisting of climbing-free hook unloading of spherical shell plate with column legs |
| CN116924208A (en) * | 2023-09-18 | 2023-10-24 | 中交第一航务工程局有限公司 | Single-ship double-main-hook large-diameter single pile turning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425167A (en) * | 2011-11-25 | 2012-04-25 | 天津港航工程有限公司 | Pile sinking method for driving large-diameter steel pipe pile in intertidal zone |
| JP2015168485A (en) * | 2014-03-04 | 2015-09-28 | ジャパンマリンユナイテッド株式会社 | Crane device, work ship, and work method of ocean wind power generation facility |
| CN109775565A (en) * | 2019-02-25 | 2019-05-21 | 中交第三航务工程局有限公司 | A kind of large-diameter pile single hook turns over piling method under water |
| CN110453709A (en) * | 2019-06-24 | 2019-11-15 | 中交第三航务工程局有限公司 | A kind of offshore wind farm large-diameter pile process for sinking |
-
2021
- 2021-01-13 CN CN202110042303.XA patent/CN112897339A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425167A (en) * | 2011-11-25 | 2012-04-25 | 天津港航工程有限公司 | Pile sinking method for driving large-diameter steel pipe pile in intertidal zone |
| JP2015168485A (en) * | 2014-03-04 | 2015-09-28 | ジャパンマリンユナイテッド株式会社 | Crane device, work ship, and work method of ocean wind power generation facility |
| CN109775565A (en) * | 2019-02-25 | 2019-05-21 | 中交第三航务工程局有限公司 | A kind of large-diameter pile single hook turns over piling method under water |
| CN110453709A (en) * | 2019-06-24 | 2019-11-15 | 中交第三航务工程局有限公司 | A kind of offshore wind farm large-diameter pile process for sinking |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896088A (en) * | 2021-09-01 | 2022-01-07 | 中国化学工程第三建设有限公司 | Device and method for single-machine hoisting of climbing-free hook unloading of spherical shell plate with column legs |
| CN113896088B (en) * | 2021-09-01 | 2023-08-04 | 中国化学工程第三建设有限公司 | Device and method for lifting spherical shell plate with column legs by single machine without ascending and unhooking |
| CN116924208A (en) * | 2023-09-18 | 2023-10-24 | 中交第一航务工程局有限公司 | Single-ship double-main-hook large-diameter single pile turning method |
| CN116924208B (en) * | 2023-09-18 | 2023-12-01 | 中交第一航务工程局有限公司 | Single-ship double-main-hook large-diameter single pile turning method |
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