CN106475741B - A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology - Google Patents
A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology Download PDFInfo
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- CN106475741B CN106475741B CN201610912035.1A CN201610912035A CN106475741B CN 106475741 B CN106475741 B CN 106475741B CN 201610912035 A CN201610912035 A CN 201610912035A CN 106475741 B CN106475741 B CN 106475741B
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- mainboard
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- cantilever beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technologies, and steps are as follows：（1）Material prepares：CNC cutting；Surplus is all placed in length, width, pin hole radial direction；（2）Mainboard, web spreading：Component is docked two-by-two, formed bow, in, three sections of stern；Then the surplus in surface member width direction is machined away, and cutting web groove；（3）T rows make：Mainboard and web are assembled together, T is formed and arranges component；（4）Process pin hole：Center line, the processing line for drawing pin hole, by the bolt bore dia boring to drawing requirement；（5）Outfield closes up：According to the required distance of pushing-pulling-rack and well heart line, first determines two sections of bow, stern T rows, then measure bow, stern both ends T row's spacing, will then position stage casing T rows apart from assigning on the T rows of stage casing.The advantage of the invention is that：It can ensure that pushing-pulling-rack meets every build and requires, while efficiency of construction can be improved, reduce construction cost.
Description
Technical field
The present invention relates to a kind of drilling platforms technical field, more particularly to a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack
Building technology.
Background technology
With the progress of the development and science and technology of society, the mankind are also increasing for the demand of the energy.Offshore oil drilling
Platform construction quantity is more and more, beam type drilling platforms due to can a position carry out more mouthfuls of cluster wells probing and
It enjoys great popularity.
Hydraulic mechanism by be inserted into pin hole in bolt push and pull cantilever beam on pushing-pulling-rack, realize cantilever beam stretching,
Retract action.The making precision of pushing-pulling-rack not only influences the reliability of the stretching retraction process of cantilever beam, and can also contribute to suitable
Profit installation hydraulic pressure push-pull mechanism.Important feature of the pushing-pulling-rack as cantilever beam, construction precision require stringent, bolt bore dia public affairs
Difference is ± 1mm, and for height and position tolerance in ± 1mm, single and whole pitch of holes is ± 1mm, and alignment tolerance is also ± 1mm.It is existing
It is to carry out bore hole in outfield after entirety is closed up to have technology, and it is extremely inconvenient that processing is got up, and expends a large amount of manpower and materials, cost is higher.
Invention content
The technical problem to be solved in the present invention is to provide a kind of self-elevating drilling platform cantilever beam push-and-pulls of bore hole in workshop
Frame building technology.
In order to solve the above technical problems, the technical scheme is that：A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack
Building technology, innovative point are：Pushing-pulling-rack is divided into several sections of T rows first, and is made, including processing pin hole, the T rows
Section to be formed by mainboard and perpendicular to the web of mainboard is the plate of T-type, and each T to complete is then come cantilever beam
The scene entirety of carrying is closed up.
Further, the T rows making step is specific as follows：
（1）Material prepares：Mainboard, web are processed, all there are surpluses in its long axis, pin hole diametric(al)；
（2）T rows make：Mainboard after processing is placed on horizontal moulding bed, adjusts its straightness to meeting the requirements, so
It is fixed afterwards with card code；Web hookup wire is marked on mainboard, and corresponding web is installed；The verticality of adjustment web and mainboard is extremely
It meets the requirements, spot welding immediately is fixed, and forms T rows, mounting process gusset is then distinguished between web both sides and mainboard, then certainly
Centre is to both ends, and weld seam welds between web and mainboard, and is symmetrically alternately welded in weld seam both sides；Bow is made by above-mentioned steps
Three sections of section, stage casing, stern section T rows；
（3）Process pin hole：T rows are stood up on the workbench of floor-type milling & boring machine, the straightness of adjustment member and and machine
The verticality of bed main shaft draws center line, the processing line of pin hole, then by bolt bore dia according to hole back gauge, pitch-row requirement
Boring is to drawing requirement.
Further, it is described integrally close up the specific steps are：T rows transport to cantilever beam after processing is carried into scene；
According to most bow, the required distance of the pin hole and well heart line of most stern, two sections of positioning bow, stern T rows, adjustment T row's height is until meet
It is required that；Then positioning stage casing T rows, adjust its height, until meeting the requirements.The butt weld of mainboard, web all uses reciprocal cross
For the method for welding；The T shape weld seams of web and the big riser of cantilever beam, intermediate to both ends using oneself, positive antisymmetry replaces welding
Method.
Further, when processing mainboard, web, using component, butt welding forms mainboard or web two-by-two, and component is in length
All there are surpluses for axis, short axle and pin hole diametric(al)；The bottoming of side elder generation is welded when welding, and the other side carries out back chipping welding again,
The last weld seam for welding side remainder again；In the case where directly degree and flatness meet the requirements for it, by component short axle side
To surplus machine away, and cutting web groove.
Further, after T rows complete, so that it may the T rows of bow, two sections of stern are closed up surplus at mouth by theoretical size
It repaiies and removes, and open groove processed.
Further, after positioning two sections of bow, stern T rows, measurement bow, stern both ends T rows close up the spacing at mouth, will be apart from respectively
It onto stage casing T rows, repaiies to remove and closes up surplus at mouth, and open groove processed, then position stage casing T rows, adjust its height, until conforming to
It asks.
The advantage of the invention is that：
（1）The diameter of pin hole, hole back gauge, pitch-row are guaranteed；After T rows complete, just arrange using heavy
Floor-type milling & boring machine processes pin hole in workshop, is not only easily guaranteed that aperture, hole back gauge and the pitch-row error of pin hole meet figure
Paper requirement, and close up rear whole bore hole compared to outfield, reduce processing cost and process time；Actual fabrication confirms：?
After the bore hole of workshop, the aperture of pin hole, hole back gauge, pitch of holes error all control within ± 0.5mm, when single T rows process
Between only need 3 days.
（2）When T rows make and entirety is closed up, web weld seam is using " from intermediate to both ends, the alternately welding of positive antisymmetry "
Method effectively reduces deflection, ensure that the verticality between web and the big riser of mainboard, cantilever beam.
（3）The first T rows of two sections of positioning bow stern, the spacing of actual measurement two sections of T rows, the method for then positioning stage casing T rows ensure that
Pushing-pulling-rack meets drawing requirement at a distance from well heart line.
Description of the drawings
Fig. 1 is a kind of mainboard blanking schematic diagram of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology of the present invention.
Fig. 2 is a kind of web blanking schematic diagram of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology of the present invention.
Fig. 3 is that a kind of T of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology of the present invention arranges schematic diagram.
Fig. 4 is that a kind of pushing-pulling-rack of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology of the present invention positions schematic diagram.
Specific implementation mode
The invention discloses a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology, its key step is as follows：
（1）Material prepares：Mainboard 1, the web 3 of Numerical control cutting pushing-pulling-rack close up Kou Chu in its length direction spreading, unilateral
8mm surpluses are placed, closing up Kou Chu in T rows places 30mm surpluses；Width direction, it is unilateral to place 10mm surpluses；2 radius side of pin hole
To having placed 27mm surpluses.As shown in Figure 1 and Figure 2.
（2）Mainboard 1,3 spreading of web：Component is placed on horizontal moulding bed, is docked two-by-two, closes up at mouth and only 3mm is stayed to weld
Shrinkage is connect, groove processed is then opened, then adjustment member entirety straightness, flatness are fixed up to meeting the requirements with card agate.Weldering
The bottoming of side elder generation is welded when connecing, and the other side carries out back chipping welding, finally welds the weld seam of side remainder again again.Mainboard 1 or abdomen
Plate 3 divide for bow, in, three sections of stern, two-by-two after spreading formed 3 sections of about 13m long segmentation.Component after spreading is crouched and is placed on lathe worker
It fills on platform, in the case where directly degree and flatness meet the requirements for it, the surplus in surface member width direction is machined away, and cutting
Web groove.
（3）T rows make：Mainboard 1 after processing is placed on horizontal moulding bed, adjusts its straightness to meeting the requirements, so
It is fixed afterwards with card code.Web hookup wire is drawn on mainboard 1, corresponding web 3 is installed, and adjusts the verticality of web 3 and mainboard 1
Until meeting the requirements, spot welding immediately is fixed, the T-shaped segmentation of shape（T is arranged）, as shown in Figure 3.Then mounting process gusset is by web 3
It is fixed.According to from intermediate to both ends, symmetrically alternately the method for welding is welded for weld seam both sides.
Since pushing-pulling-rack is integrally about 40 meters, 36T is weighed about, is required to be limited by steel plate specification and stock utilization, it can only
It is divided into several sections of blankings.And in view of to reduce workload when outfield closes up, work difficulty is reduced, so by component spreading at 3
Section, and T rows are made.In this way, existing tool normal transport can be used to lift, existing lathe milling in factory can be also made full use of
Side, bore hole improve production quality.Be divided into 3 sections make after, every section of aperture, pitch-row, hole back gauge can control and require it
Interior, the length of T rows can also accurately control.When outer occasion is held together, although Kou Chu can be closed up because of position error and T row's effect lengths
Pitch-row, as long as but strictly control above two factor, still can ensure to close up size.
（4）Process pin hole 2：By the T made row component stand up on the workbench of floor-type milling & boring machine, adjustment member with
The depth of parallelism of machine tool guideway, the verticality of component and workbench often draw a pin hole 2 according to hole back gauge, pitch of holes requirement
Center line, processing line, just immediately by the 2 diameter boring of pin hole to drawing requirement.
（5）Outfield closes up：T rows transport to cantilever beam after processing is carried into scene.According to most bow, the pin hole 2 of most stern
With the required distance of well heart line 4, as shown in figure 4, two sections of positioning bow, stern T rows, adjustment T row's height is until meet the requirements.Then it surveys
Amount bow, stern both ends T rows close up the spacing at mouth, will repair to remove and close up surplus at mouth, and open slope processed apart from assigning on the T rows of stage casing
Mouthful, stage casing T rows are then positioned, its height is adjusted, until meeting the requirements.The butt weld of mainboard 1, web 2 all uses " reciprocal cross
For welding " method.The T shape weld seams of web 3 and the big riser of cantilever beam, using " from intermediate to both ends, positive antisymmetry is alternately welded
Connect " method.
Step（1）In, steel plate has all placed surplus in length, width, 2 radial direction of pin hole when blanking, is arranged in master
1 spreading of plate, T rows processing, outfield remove when closing up.If not made allowance, then the cut quality that flame cutting machine is poor, Wu Fabao
The length and width dimensions of component and straightness are met the requirements when demonstrate,proving blanking.Meanwhile no surplus making requires pole to the making of subsequent handling
Height, enforcement difficulty is very big, and production quality is difficult to ensure.So placing surplus, although increasing materials'use amount, the machine of increasing adds
Work process, but can fully ensure that production quality.
Step（3）In, after T rows complete, so that it may more than closing up the T of bow, two sections of stern row at mouth by theoretical size
Amount, which is repaiied, to be removed, and opens groove processed.The surplus of stage casing T rows needs to keep.The length surplus of two sections of T rows is removed in workshop, it is possible to reduce
The workload in outfield.Retain stage casing T and arrange length surplus, can compensate because outfield T arranges position error, the caused hole closed up at mouth
Away from variation.
Step（5）In, it first positions bow, stern both ends T rows, then mowing stage casing T and arranges and position.Ensure that pushing-pulling-rack length and
Meet drawing requirement with 4 distance of well heart line.
The control that the present invention builds bolt-type high-strength steel pushing-pulling-rack is incremental and interactional；As mainboard 1 connects
The straightness at hole center when straightness when being reprocessed after length influences follow-up bore hole；The control for arranging single T straightness can
Influence the whole straightness of pushing-pulling-rack；The pitch-row in single T row's first and last hole will also influence pushing-pulling-rack and close up the pitch-row at mouth；Bow, stern
The position error of two sections of T rows influences the length and installation site of stage casing T rows.
The basic principles and main features of the present invention have been shown and described above.It should be understood by those skilled in the art that
The present invention is not limited to the above embodiments, and the above embodiments and description only illustrate the principle of the present invention,
Without departing from the spirit and scope, various changes and improvements may be made to the invention, these changes and improvements are all fallen
Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (5)
1. a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology, it is characterised in that：Pushing-pulling-rack is divided into first several
Section T rows, and make, including processing pin hole, the T rows are T-type for the section formed by mainboard and perpendicular to the web of mainboard
Plate, each T to complete is then come into cantilever beam and carries that scene is whole to be closed up；The T rows making step is specific as follows：
（1）Material prepares：Mainboard, web are processed, all there are surpluses in the long axis of mainboard, pin hole diametric(al)；
（2）T rows make：Mainboard after processing is placed on horizontal moulding bed, its straightness is adjusted to meeting the requirements, then uses
Card code is fixed；Web hookup wire is marked on mainboard, and corresponding web is installed；The verticality of adjustment web and mainboard is to meeting
It is required that spot welding is fixed immediately, T rows are formed, mounting process gusset is then distinguished between web both sides and mainboard, then from intermediate
To both ends, weld seam welds between web and mainboard, and is symmetrically alternately welded in weld seam both sides；By above-mentioned steps make bow section, in
Three sections of section, stern section T rows；
（3）Process pin hole：By T row stand up on the workbench of floor-type milling & boring machine, the straightness of adjustment member and with lathe master
The verticality of axis draws center line, the processing line of pin hole, then extremely by the boring of bolt bore dia according to hole back gauge, pitch-row requirement
Drawing requirement.
2. a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology according to claim 1, it is characterised in that：Institute
State integrally close up the specific steps are：T rows transport to cantilever beam after processing is carried into scene；According to most bow, the bolt of most stern
The required distance in hole and well heart line, two sections of positioning bow, stern T rows, adjustment T row's height is until meet the requirements；Then stage casing T is positioned
Row, adjusts its height, until meeting the requirements；
The method that the butt weld of mainboard and web all uses positive and negative alternate welding；The T shape weld seams of web and the big riser of cantilever beam,
Using from intermediate to both ends, the method for positive antisymmetry alternating welding.
3. a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology according to claim 1, it is characterised in that：Add
When work mainboard, web, using component, butt welding forms mainboard or web two-by-two, and component is in length, width, bolt bore dia side
To there are surpluses；The bottoming of side elder generation is welded when welding, and the other side carries out back chipping welding, finally welds side remainder again again
Weld seam；After butt welding, the component of spreading is crouched and is placed on platen, the straightness and plane of the component after spreading
In the case that degree meets the requirements, the surplus of width direction is machined away, and cutting web groove.
4. a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology according to claim 1, it is characterised in that：?
After T rows complete, so that it may be repaiied so that the T of bow, two sections of stern row is closed up surplus at mouth by theoretical size and be removed, and open groove processed.
5. a kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology according to claim 2, it is characterised in that：It is fixed
After two sections of position bow, stern T rows, measurement bow, stern both ends T rows close up the spacing at mouth, will repair to remove and close apart from assigning on the T rows of stage casing
Hold together surplus at mouth, and open groove processed, then positions stage casing T rows, adjust its height, until meeting the requirements.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912035.1A CN106475741B (en) | 2016-10-20 | 2016-10-20 | A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology |
| PCT/CN2017/102506 WO2018072584A1 (en) | 2016-10-20 | 2017-09-20 | Construction technology for sliding frame of cantilever beam for jack-up drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912035.1A CN106475741B (en) | 2016-10-20 | 2016-10-20 | A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology |
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| Publication Number | Publication Date |
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| CN106475741A CN106475741A (en) | 2017-03-08 |
| CN106475741B true CN106475741B (en) | 2018-11-09 |
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| CN201610912035.1A Active CN106475741B (en) | 2016-10-20 | 2016-10-20 | A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology |
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| WO (1) | WO2018072584A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106475741B (en) * | 2016-10-20 | 2018-11-09 | 南通振华重型装备制造有限公司 | A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology |
| CN107813103B (en) * | 2017-07-21 | 2019-05-10 | 南通振华重型装备制造有限公司 | A kind of steel form aciculiform girder construction manufacture craft |
| CN108487213B (en) * | 2018-03-16 | 2019-11-15 | 南通振华重型装备制造有限公司 | A kind of self-elevating drilling platform cantilever beam girder method of construction |
| CN111774815B (en) * | 2020-06-30 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for building cantilever beam base of self-elevating drilling platform |
| CN112719795A (en) * | 2020-12-17 | 2021-04-30 | 江苏恒睿杰钢结构工程有限公司 | Manufacturing method of large steel box girder |
| CN114987719A (en) * | 2022-04-14 | 2022-09-02 | 海洋石油工程（青岛）有限公司 | Standardized construction process for plate-shell type living building |
| CN115178970B (en) * | 2022-07-14 | 2023-04-07 | 广州市机电安装有限公司 | Method for manufacturing comprehensive bracket nomadic processing |
| CN115476064B (en) * | 2022-09-14 | 2023-06-30 | 南通中远海运重工装备有限公司 | Manufacturing process of main beam of tyre gantry crane |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018072584A1 (en) | 2018-04-26 |
| CN106475741A (en) | 2017-03-08 |
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