CN110512609A - A kind of novel jackstone systematic conduit frame and its building technology - Google Patents
A kind of novel jackstone systematic conduit frame and its building technology Download PDFInfo
- Publication number
- CN110512609A CN110512609A CN201910759098.1A CN201910759098A CN110512609A CN 110512609 A CN110512609 A CN 110512609A CN 201910759098 A CN201910759098 A CN 201910759098A CN 110512609 A CN110512609 A CN 110512609A
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- Prior art keywords
- box
- jacket
- frame
- error
- bracket
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
Abstract
The present invention relates to a kind of novel jackstone systematic conduit frame and its building technology, it is characterised in that: including jacket frame, box girder construction and bracket structure;The box girder construction is embedded on jacket frame, in the overall structure that jacket frame is arranged in the bracket structure and box girder construction is formed;Specific construction step includes S1: jacket frame construction;S2: box beam structure building;S3: bracket structure is built;S4: integral assembling;Each stage in jackstone systematic conduit frame building course is considered to place welding allowance for shrinkage and reversible deformation, prefabricated in strict accordance with component progress, reinforces the control of assembly critical size;The sequence of welding equipment is positioned in strict accordance with the sequence progress installed step by step from lower to upper, by interior principle outward;The technique facilitates welding, closes up precision height, can be improved welding quality and working efficiency.
Description
Technical field
The present invention relates to ocean engineering and shipbuilding technical field more particularly to a kind of novel jackstone systematic conduit frame and
Its building technology.
Background technique
Port Zhuhai and Macao bridge is the Super Engineering that the world attractes attention, and wherein seabed tunnel engineering technology difficulty highest, creates crowd
More the first in the world.Port Zhuhai and Macao bridge seabed tunnel rubble bedding is laid with using first laid process technique, compared to same using first laid process
Two immersed tube tunnel engineerings in Denmark Oresund and Busan, Korea of technique, rubble leveling amount of work is big, and rubble is laid with total
Measure 36.3 ten thousand m3;Rubble base bed flattening slope change is big, amounts to 29 kinds of gradients;Water depth ratio is big, 8~45m of the bedding depth of water;Immersed tube
The levelling process on basis and leveling required precision are very high, and underwater absolute altitude control difficulty is big.
Jack up broken stone leveling ship is design-and-build exclusively for the project implementation, it includes main hull, 4 from
Lift-type spud leg (containing hydraulic system), mobile trolley used, moving trolley, trailing type belt feeder, fixed belt feeder, feed hopper, throwing
Madreporic canal, rubble leveling head etc..
As one of jack up broken stone leveling ship critical component, there are many difficult points for the construction of jackstone systematic conduit frame:
1, jackstone systematic conduit frame structure is mostly row frame structure, and structure is intensive, and assembly precision requires height, to guarantee final installation essence
Degree, the size welding of procedure calls at different levels, assembly precision are especially high.
2, box girder construction welding space is small in jackstone systematic conduit frame, and welding capacity is big, be easy to produce biggish stress and
Deformation, need it is stringent require to be welded according to welding sequence and corresponding WPS, select appropriate Current Voltage, control
Speed of welding.
3, the control of welding deformation: making full use of tooling and moulding bed, put back deformation in advance, place welding allowance for shrinkage, and
Reasonable welding sequence is formulated to connect.
Therefore, it is badly in need of researching and developing that a kind of construction environment is good, facilitates that welding, production precision is high, can be improved welding quality and work
The jack up broken stone leveling ship jackstone systematic conduit frame building technology for making efficiency is imperative.Through examining related document, do not find
With the same or similar technical solution of the present invention.
Summary of the invention
That the technical problem to be solved in the present invention is to provide a kind of construction environments is good, facilitate welding, closes up that precision is high, Neng Gouti
The jack up broken stone leveling ship jackstone systematic conduit frame and its building technology of high welding quality and working efficiency.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of novel jackstone systematic conduit frame, innovative point
It is: including jacket frame, box girder construction and bracket structure;The box girder construction is embedded on jacket frame, institute
It states in the overall structure that jacket frame is arranged in bracket structure and box girder construction is formed;
The jacket frame includes ship stern trimming flag piece, port and starboard plate and end grillage;The port and starboard plate is vertically set on
The two sides of ship stern trimming flag piece form U-shaped structure;The both ends of U-shaped structure are arranged in the end panel frame;
The box girder construction includes larboard box-structure, starboard box-structure, bottom box-structure and loose mail structure;The left side
Side of a ship box-structure is disposed in parallel relation to one another with starboard box-structure, and the bottom box structure setting is vertically set on larboard box knot
Larboard box-structure is connected by structure with the bottom end of starboard box-structure with starboard box-structure;Loose mail structure tool there are four and
It is connected on larboard box-structure both ends and starboard box-structure both ends;
The bracket structure includes top bracket and lower part bracket;The lower part bracket is mounted on jacket frame and case in a ring
On the integrally-built circumferential outer profile that type girder construction is formed.
A kind of novel jackstone systematic conduit frame building technology, innovative point are: specific construction step is as follows: including S1:
Jacket frame construction;S2: box beam structure building;S3: bracket structure is built;S4: integral assembling;
S1: jacket frame construction:
S1.1: jacket frame is divided into ship stern trimming flag piece, port and starboard plate and end grillage;To jacket frame in straight tooling
Frame carries out the prefabricated of above-mentioned sheet body component;
S1.2: it in middle group of tooling, using ship stern trimming flag piece as benchmark plate, carries out organizing assembly in frame, after middle group of assembly
Before welding, firm welding will be carried out between ship stern trimming flag piece and middle group of tooling with card Ma, to prevent plate in welding process from turning round
It is bent;
S2: box beam structure building:
S2.1: jacket box girder construction is divided into larboard box-structure, starboard box-structure, bottom box-structure and loose mail
Structure;It is prefabricated that above-mentioned component is carried out to the box girder construction of jacket on moulding bed;
S2.2: on assembled station, larboard box-structure, starboard box-structure are positioned according to drawing requirement, and uses
Card Ma is fixed;Then positioning lifting bottom box girder construction, finally installs loose mail structure;
S3: bracket structure is built:
S3.1: being divided into top bracket and lower part bracket for bracket structure, and it is standby that top bracket with lower part bracket presets to component respectively
With;
S4: integral assembling:
S4.1: on the basis of the jacket frame made, the assembly of jacket structure is carried out;Jacket box girder construction is turned over
Body is lifted to positioning on jacket frame, and is welded and fixed using Auxiliary support, is welded referring to welding requirements;
S4.2: after the process for completing S4.1, location and installation lower part bracket, top bracket tack welding when jackstone system general assembly
It connects.
Further, the production of jacket frame plate requires in the S1.1: integral smoothness error≤2mm, diagonal line
Error≤2mm.
Further, in the S1.2 jacket frame need to meet at middle group it is claimed below: stern plate flatness error
≤ 2mm, the left and right side of a ship plate error of perpendicularity≤2mm;It needs to meet after the completion of middle group: error in length ± 4mm, width error ±
1mm, Space Oblique diagonal error ± 2mm.
Further, in the S2.1 jacket box girder construction need to meet in component prefabrication process it is claimed below: institute
There is the reserved 40mm machining allowance of pin hole;It is 4mm that plane machining, which reserves machining allowance,;The error of perpendicularity ± 1mm;It is left and right
Side of a ship box-structure error in length ± 3mm;Bottom box-structure otic placode center allowable error ± 1mm.
Further, larboard box-structure in the S2, starboard box-structure center are away from control in ± 2mm;Bottom box
Structure vertical degree error ± 1mm, lug plate holes centre distance horizontal plane error under ±2 mm.
Further, in the S2.1 loose mail structure by wearing plate clipping room away from control in ± 3mm;The error of perpendicularity ±
1mm。
Further, in the S2.2 on box girder construction middle pulley earhole center and jacket between trolley center away from
From relative level error ± 1mm and the vertical state error of perpendicularity between error under ±2 mm, with jacket.
Further, range error ± 1mm between trolley center on plane and jacket on the bracket of the middle and lower part S4.2,
Surrounding bracket integral planar degree error ± 1mm.
The present invention has the advantages that
1) construction of jackstone systematic conduit frame is divided into step progress: frame manufacture in the present invention, and box beam makes, bracket production, finally
It is whole to carry out total group, then whole machining;Each stage in jackstone systematic conduit frame building course is considered to place welding
Allowance for shrinkage and reversible deformation carry out prefabricated, the control of reinforcement assembly critical size in strict accordance with component;The sequence for positioning welding equipment is tight
Lattice according to: the sequence installed step by step from lower to upper, by interior principle outward carries out;The technique facilitates welding, closes up precision
Height can be improved welding quality and working efficiency.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of novel jackstone systematic conduit frame circuit theory schematic diagram of the invention.
Fig. 2 is a kind of side of a ship sheet structure figure of novel jackstone systematic conduit frame frame structure of the invention.
Fig. 3 is a kind of ship stern trimming flag chip architecture figure of novel jackstone systematic conduit frame of the invention.
Fig. 4 is a kind of box beam structural perspective of novel jackstone systematic conduit frame of the invention.
Fig. 5 is that ship stern trimming flag positions upper moulding bed schematic diagram.
Fig. 6 is strake location and installation schematic diagram.
Fig. 7 is moulding bed schematic diagram on port and starboard box structure.
Fig. 8 is that moulding bed positions schematic diagram on the box-structure of bottom.
Fig. 9 is loose mail scheme of installation.
Figure 10 is moulding bed installation diagram on jacket.
Figure 11 is that box girder construction and jacket are coupled figure.
Figure 12 is lower part bracket location and installation.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of novel jackstone systematic conduit frame as shown in Figures 1 to 4, including jacket frame 1,2 and of box girder construction
Bracket structure;The box girder construction 2 is embedded on jacket frame 1, and the bracket structure is arranged in jacket frame 1 and case
In the overall structure that type girder construction 2 is formed.
Jacket frame 1 includes ship stern trimming flag piece 11, port and starboard plate 12 and end grillage;The port and starboard plate 12 is vertical
The two sides that ship stern trimming flag piece 11 is arranged in form U-shaped structure;The both ends of U-shaped structure are arranged in the end panel frame.
Box girder construction 2 includes larboard box-structure 21, starboard box-structure 22, bottom box-structure 23 and loose mail structure
24;The larboard box-structure 21 is disposed in parallel relation to one another with 22 structure of starboard box, and the bottom box-structure 23 is arranged vertically
The bottom end of larboard box-structure 21 and starboard box-structure 22 is set by 22 phase of larboard box-structure 21 and starboard box-structure
Even;There are four the tools of loose mail structure 24 and is connected to 21 both ends of larboard box-structure and 22 both ends of starboard box-structure
On.
Bracket structure 3 includes top bracket and lower part bracket 31;The lower part bracket 31 is mounted on jacket frame in a ring
On the integrally-built circumferential outer profile that frame 1 and box girder construction 2 are formed.
A kind of novel jackstone systematic conduit frame building technology, specific construction step as shown in Fig. 5 to Figure 12 are as follows: including
S1: jacket frame construction;S2: box beam structure building;S3: bracket structure is built;S4: integral assembling;
S1: jacket frame construction:
S1.1: jacket frame is divided into ship stern trimming flag piece, port and starboard plate and end grillage;To jacket frame in straight tooling
Frame carries out the prefabricated of above-mentioned sheet body component;The production of jacket frame plate requires: integral smoothness error≤2mm, diagonal line miss
Difference≤2mm.
S1.2: it in middle group of tooling, using ship stern trimming flag piece as benchmark plate, carries out organizing assembly in frame, in middle group of assembly knot
Before welding after beam, firm welding will be carried out between ship stern trimming flag piece and middle group of tooling with card Ma, to prevent plate in welding process from sending out
Raw distortion;Jacket frame need to meet claimed below at middle group: stern plate flatness error≤2mm, left and right side of a ship plate are vertical
Spend error≤2mm;It needs to meet after the completion of middle group: error in length ± 4mm, width error ± 1mm, Space Oblique diagonal error ±
2mm。
S2: box beam structure building:
S2.1: jacket box girder construction is divided into larboard box-structure, starboard box-structure, bottom box-structure and loose mail
Structure;It is prefabricated that above-mentioned component is carried out to the box girder construction of jacket on moulding bed;Jacket box girder construction is prefabricated in component
It needs to meet in the process claimed below: the reserved 40mm machining allowance of all pin holes;Plane machining reserves machining allowance
4mm;The error of perpendicularity ± 1mm;Left and right side of a ship box-structure error in length ± 3mm;Bottom box-structure otic placode center allowable error
±1mm;Loose mail structure is by wearing plate clipping room away from control in ± 3mm;The error of perpendicularity ± 1mm.
S2.2: on assembled station, larboard box-structure, starboard box-structure being positioned according to drawing requirement, and
It is fixed using card Ma;Then positioning lifting bottom box girder construction, finally installs loose mail structure;Larboard box-structure, the right side
Side of a ship box-structure center is away from control in ± 2mm;Bottom box structure vertical degree error ± 1mm, the horizontal base of lug plate holes centre distance
Quasi- surface error ± 2mm;The distance between trolley center error under ±2 mm on box girder construction middle pulley earhole center and jacket,
Relative level error ± 1mm and the vertical state error of perpendicularity between jacket.
S3: bracket structure is built:
S3.1: being divided into top bracket and lower part bracket for bracket structure, and it is standby that top bracket with lower part bracket presets to component respectively
With;Range error ± 1mm between trolley center on plane and jacket on the bracket of lower part, surrounding bracket integral planar degree error ±
1mm。
S4: integral assembling:
S4.1: on the basis of the jacket frame made, the assembly of jacket structure is carried out;Jacket box girder construction is turned over
Body is lifted to positioning on jacket frame, and is welded and fixed using Auxiliary support, is welded referring to welding requirements.
S4.2: after the process for completing S4.1, location and installation lower part bracket, positioning when jackstone system general assembly of top bracket
Welding.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of novel jackstone systematic conduit frame, it is characterised in that: including jacket frame, box girder construction and bracket structure;
The box girder construction is embedded on jacket frame, and the bracket structure setting is formed in jacket frame and box girder construction
Overall structure on;
The jacket frame includes ship stern trimming flag piece, port and starboard plate and end grillage;The port and starboard plate is vertically set on
The two sides of ship stern trimming flag piece form U-shaped structure;The both ends of U-shaped structure are arranged in the end panel frame;
The box girder construction includes larboard box-structure, starboard box-structure, bottom box-structure and loose mail structure;The left side
Side of a ship box-structure is disposed in parallel relation to one another with starboard box-structure, and the bottom box structure setting is vertically set on larboard box knot
Larboard box-structure is connected by structure with the bottom end of starboard box-structure with starboard box-structure;Loose mail structure tool there are four and
It is connected on larboard box-structure both ends and starboard box-structure both ends;
The bracket structure includes top bracket and lower part bracket;The lower part bracket is mounted on jacket frame and case in a ring
On the integrally-built circumferential outer profile that type girder construction is formed.
2. a kind of novel jackstone systematic conduit frame building technology described in claim 1, it is characterised in that: specific construction step is such as
Under: including S1: jacket frame construction;S2: box beam structure building;S3: bracket structure is built;S4: integral assembling;
S1: jacket frame construction:
S1.1: jacket frame is divided into ship stern trimming flag piece, port and starboard plate and end grillage;To jacket frame in straight tooling
Frame carries out the prefabricated of above-mentioned sheet body component;
S1.2: it in middle group of tooling, using ship stern trimming flag piece as benchmark plate, carries out organizing assembly in frame, after middle group of assembly
Before welding, firm welding will be carried out between ship stern trimming flag piece and middle group of tooling with card Ma, to prevent plate in welding process from turning round
It is bent;
S2: box beam structure building:
S2.1: jacket box girder construction is divided into larboard box-structure, starboard box-structure, bottom box-structure and loose mail
Structure;It is prefabricated that above-mentioned component is carried out to the box girder construction of jacket on moulding bed;
S2.2: on assembled station, larboard box-structure, starboard box-structure are positioned according to drawing requirement, and uses
Card Ma is fixed;Then positioning lifting bottom box girder construction, finally installs loose mail structure;
S3: bracket structure is built:
S3.1: being divided into top bracket and lower part bracket for bracket structure, and it is standby that top bracket with lower part bracket presets to component respectively
With;
S4: integral assembling:
S4.1: on the basis of the jacket frame made, the assembly of jacket structure is carried out;Jacket box girder construction is turned over
Body is lifted to positioning on jacket frame, and is welded and fixed using Auxiliary support, is welded referring to welding requirements;
S4.2: after the process for completing S4.1, location and installation lower part bracket, top bracket tack welding when jackstone system general assembly
It connects.
3. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S1.1
The production of jacket frame plate requires: integral smoothness error≤2mm, diagonal error≤2mm.
4. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S1.2
Jacket frame need to meet claimed below at middle group: stern plate flatness error≤2mm, the left and right side of a ship plate error of perpendicularity
≤2mm;It needs to meet after the completion of middle group: error in length ± 4mm, width error ± 1mm, Space Oblique diagonal error ± 2mm.
5. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S2.1
Jacket box girder construction needs to meet claimed below in component prefabrication process: the reserved 40mm machining allowance of all pin holes;
It is 4mm that plane machining, which reserves machining allowance,;The error of perpendicularity ± 1mm;Left and right side of a ship box-structure error in length ± 3mm;Bottom
Box-structure otic placode center allowable error ± 1mm.
6. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: left in the S2
Side of a ship box-structure, starboard box-structure center are away from control in ± 2mm;Bottom box structure vertical degree error ± 1mm, in lug plate holes
The heart is apart from horizontal plane error under ±2 mm.
7. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S2.1
Loose mail structure is by wearing plate clipping room away from control in ± 3mm;The error of perpendicularity ± 1mm.
8. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S2.2
The distance between box girder construction middle pulley earhole center and trolley center on jacket phase between error under ±2 mm, with jacket
To horizontal error ± 1mm and the vertical state error of perpendicularity.
9. a kind of novel jackstone systematic conduit frame building technology according to claim 2, it is characterised in that: in the S4.2
Range error ± 1mm between trolley center on plane and jacket on the bracket of lower part, surrounding bracket integral planar degree error ±
1mm。
Priority Applications (1)
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CN201910759098.1A CN110512609B (en) | 2019-08-16 | 2019-08-16 | Riprap system jacket and construction process thereof |
Applications Claiming Priority (1)
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CN201910759098.1A CN110512609B (en) | 2019-08-16 | 2019-08-16 | Riprap system jacket and construction process thereof |
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CN110512609A true CN110512609A (en) | 2019-11-29 |
CN110512609B CN110512609B (en) | 2021-05-28 |
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ID=68625505
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CN204370469U (en) * | 2014-12-24 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of drilled pile long leg jacket offshore wind turbine foundation |
CN204370466U (en) * | 2014-12-23 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of jacket offshore wind turbine foundation with bracket |
WO2016124263A1 (en) * | 2015-02-06 | 2016-08-11 | Maritime Offshore Group Gmbh | Offshore foundation structure with gangway and improved boat landing |
JP2018178662A (en) * | 2017-04-21 | 2018-11-15 | 東京電力ホールディングス株式会社 | Construction method for replacement of steel tower |
CN209025085U (en) * | 2018-09-14 | 2019-06-25 | 江苏华西村海洋工程服务有限公司 | Jacket pile pipe pitching pile combined console |
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2019
- 2019-08-16 CN CN201910759098.1A patent/CN110512609B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN204056240U (en) * | 2014-05-21 | 2014-12-31 | 中铁第五勘察设计院集团有限公司 | Buoyancy tank pile foundation support table |
CN204370466U (en) * | 2014-12-23 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of jacket offshore wind turbine foundation with bracket |
CN204370469U (en) * | 2014-12-24 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of drilled pile long leg jacket offshore wind turbine foundation |
WO2016124263A1 (en) * | 2015-02-06 | 2016-08-11 | Maritime Offshore Group Gmbh | Offshore foundation structure with gangway and improved boat landing |
JP2018178662A (en) * | 2017-04-21 | 2018-11-15 | 東京電力ホールディングス株式会社 | Construction method for replacement of steel tower |
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