CN110000512A - The restorative procedure of drilling platforms sliding rail - Google Patents
The restorative procedure of drilling platforms sliding rail Download PDFInfo
- Publication number
- CN110000512A CN110000512A CN201810006615.3A CN201810006615A CN110000512A CN 110000512 A CN110000512 A CN 110000512A CN 201810006615 A CN201810006615 A CN 201810006615A CN 110000512 A CN110000512 A CN 110000512A
- Authority
- CN
- China
- Prior art keywords
- sliding rail
- line
- cantilever
- plate
- restorative procedure
- Prior art date
- 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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- 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
- B23P6/00—Restoring or reconditioning objects
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
Abstract
It is overproof to repair sliding rail flatness the present invention provides a kind of restorative procedure of drilling platforms sliding rail.The restorative procedure includes: derrick and sliding rail separating step: the derrick on sliding rail is separated with sliding rail；It sets measuring basis step: setting the bottom surface of cantilever beam bottom panel as benchmark face；It sets constructing check line step: constructing check line is set below each crossbeam top panel, making the constructing check line any point to the vertical line distance of datum level is definite value；It surveys and draws a mowing line step: with constructing check line for reference, being surveyed on each cantilever diaphragm and draw a mowing line, so that datum level is equal to the Theoretical Design total height of cantilever beam and sliding rail to the sum of the distance of mowing line and the upper surface of new plate thickness；Step is repaired in cutting: first being cut off the upper surface of crossbeam plate, then, the part of the mowing line or more is cut off along mowing wire cutting cantilever diaphragm, and then the upper surface of new plate is welded on the notch of cantilever diaphragm.
Description
Technical field
The present invention relates to marine worker building technology field more particularly to a kind of restorative procedures of drilling platforms sliding rail.
Background technique
The rig floor sliding rail required precision of self-elevating drilling platform is higher, if rig floor is sliding in platform operational process
It is overproof to move track flatness, rig floor is easy to cause to be unable to run, flatness is for example overproof serious, the derrick course of work, dislikes in operating condition
In the case where bad, it may topple, consequence is very serious.
It derives according to theoretical method, for the overproof problem of flatness of the sliding rail, rig floor and track should be torn open respectively
Repaired after falling, this restorative procedure disassembly and installation period is long again, and in addition to need to make two sets of moulding beds (rig floor is taken a seat moulding bed,
Sliding rail is taken a seat moulding bed) it also needs to carry out handling derrick using crane barge, cost is very high.
Summary of the invention
In order to solve the above-mentioned technical problem, the invention reside in providing a kind of restorative procedure of drilling platforms sliding rail, with
The problems such as overproof risk of solution prior art sliding rail flatness, and reparation difficulty are big, at high cost.
In view of the above technical problems, the present invention proposes a kind of restorative procedure of drilling platforms sliding rail, to repair cunning
It is overproof to move track flatness；Sliding rail includes two crossbeams, which is arranged in parallel on cantilever beam, which includes web
With the upper surface of be set on the web plate；Cantilever beam bottom has bottom panel；The restorative procedure includes: derrick and sliding rail point
From step: the derrick on sliding rail is separated with sliding rail；Set measuring basis step: the bottom of setting cantilever beam bottom panel
Face is benchmark face；It sets constructing check line step: constructing check line being set below each crossbeam top panel, makes the constructing check
The vertical line distance of line any point to datum level is definite value；It surveys and draws mowing line step: with constructing check line for reference, in each crossbeam
Surveyed on web and draw a mowing line so that datum level to the sum of the distance of mowing line and the upper surface of new plate thickness be equal to cantilever beam 200 and
The Theoretical Design total height of sliding rail；Step is repaired in cutting: the upper surface of crossbeam plate is first cut off, it is then, horizontal along mowing wire cutting
Web is welded on the notch of cantilever diaphragm to cut off the part of the mowing line or more, and then by the upper surface of new plate.
In a preferred approach, the determination of the datum level in the setting measuring basis step includes: in two cantilever diaphragms
Two bottom panel center lines of vertical projection and cantilever beam of heart line form four intersection points and are passed through with constituting four the first datum marks
Four first datum marks determine datum level, which is respectively positioned on the datum level.
In a preferred approach, the setting measuring basis step further include: axial plane in the minds of well is set between two crossbeams；?
The cutting is repaired in step, and the distance Theoretical Design distance of axial plane in the minds of the upper surface of new plate to well is made.
In a preferred approach, the cantilever beam further includes the web being connected on its bottom panel；Axis in the minds of the setting well
Face includes: that the intersection point upwardly extended with each crossbeam top panel center line and cantilever web center line is the second datum mark,
The left and right beam of cantilever beam is respectively formed on a pair of second datum mark, vertical where the central point of two pair of second datum mark line is common
Face constitutes axial plane in the minds of well.
In a preferred approach, step is repaired in the cutting further include: is surveyed in advance at the length direction interval of the upper surface of new plate
Multiple measurement positions are drawn, each measurement position is uniformly surveyed along the width direction of top panel and draws three measurement points, to determine newly upper
The center line of panel；When the upper surface of new plate to be welded on the notch of cantilever diaphragm, make the center line of the upper surface of new plate to well
The distance of axial plane is Theoretical Design distance in the heart, welds with reference to each measurement position to the upper surface of new plate, makes the upper surface of new plate
Vertical welding is in cantilever diaphragm.
In a preferred approach, it in the setting constructing check line step, is set in the length direction pull-up of each cantilever diaphragm
Steel wire, to constitute the inspection line.
In a preferred approach, before step is repaired in the cutting further include: welded on the length direction of each cantilever diaphragm
Reinforcement structure is connect, and after step is repaired in the cutting, which is removed.
In a preferred approach, the crossbeam further includes multiple gussets；Each gusset is welded with top panel, web respectively；Institute
Stating reinforcement structure at least has orthogonal two stiffening plates；The reinforcement structure is welded in the length direction of cantilever diaphragm
When, a stiffening plate in the reinforcement structure is parallel to cantilever diaphragm and is welded and fixed with multiple gussets of crossbeam.
In a preferred approach, it is repaired in step in the cutting, when the upper surface of new plate is welded on the notch of web,
First multiple top panel segmented assemblies are welded to form the upper surface of the new plate, then the upper surface of new the connecing between plate and web of welding
Seam welds the upper surface of new seam between plate and gusset later.
In a preferred approach, in the derrick and sliding rail separating step, derrick is jacked up by way of jacking,
So that it is separated with sliding rail.
Compared with prior art, the invention has the following advantages: drilling platforms sliding rail flatness of the present invention is super
Difference using being repaired under non-seat loose tool formula, derrick is separated with sliding rail only, using a full set of accuracy control method, is passed through
Measuring basis and setting constructing check line are set, it is super by excision cantilever diaphragm with the reference of measuring basis and constructing check line
The part of difference, and the upper surface of new plate is welded, it ensure that the precision of reparation, effectively reduce difficulty of construction, and save reparation week
Phase and construction cost.
Detailed description of the invention
Fig. 1 is the restorative procedure flow chart of the present embodiment drilling platforms sliding rail.
Fig. 2 is the overlooking structure diagram of the present embodiment sliding rail and cantilever beam cooperation.
Fig. 3 is the schematic cross-sectional view in the direction A-A in Fig. 2.
Fig. 4 is the schematic cross-sectional view in the direction B-B in Fig. 2.
Fig. 5 is the structural schematic diagram of the present embodiment crossbeam and reinforcement structure cooperation.
Fig. 6 is the structural schematic diagram of the present embodiment the upper surface of new plate and cantilever diaphragm and gusset.
Fig. 7 is the structural schematic diagram of the present embodiment the upper surface of new plate and cantilever diaphragm.
The reference numerals are as follows: 200, cantilever beam；21, bottom panel；22, web；3, crossbeam；31, web；32, above
Plate；The upper surface of 32n, new plate；33, gusset；301, web center line；302, top panel center line；302n, center line；303, it applies
Work examines line；304, measurement point；305, mowing line；A1, the first datum mark；A2, the second datum mark；Axial plane in the minds of B1, well；W1,
Abutment joint；W2, T-type seam；W3, T-type seam；W4, T-type seam；4, reinforcement structure；41, wing plate；42, web.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Refering to fig. 1 to Fig. 7, the restorative procedure of drilling platforms sliding rail provided in this embodiment, to repair sliding rail
Road flatness is overproof.Wherein, sliding rail includes two crossbeams 3 along platform bow stern direction, which is arranged in parallel in cantilever
On beam 200, each crossbeam 3 includes: web 31 and the upper surface of is set on web 31 plate 32, and respectively with top panel 32 and abdomen
The gusset 33 that plate 31 connects；Wherein, top panel 32 constitutes the track panel of sliding rail.The left and right beam of cantilever beam 200 includes
Bottom panel 21 and the web 22 being connected on bottom panel 21.
The restorative procedure of the present embodiment drilling platforms sliding rail includes:
Derrick and sliding rail separating step S10: by way of jacking, by the derrick and sliding rail on sliding rail
Separation.More preferably, later, main hull is leveled by platform controlling system.
It sets measuring basis step S20: setting the bottom surface of the bottom panel 21 of cantilever beam 200 as benchmark face.In the present embodiment
In, the Theoretical Design total height of cantilever beam 200 and sliding rail is H=7620mm, sees Fig. 3.
Specifically, setting 200 bottom panel of cantilever beam, 21 center line (not shown) and each 3 web center line 301 of crossbeam
The intersection point of vertical projection be the first datum mark A1, totally four the first datum mark A1, where four first datum mark A1
Plane constitute datum level, 4 points composition datum levels be subsequent step in detection accuracy provide safeguard.The present embodiment uses
This four the first datum mark A1 of total station survey, to determine the measurement datum of 200 bottom panel 21 of cantilever beam, using as repairing
Reference datum in journey, i.e., by the way that each crossbeam top panel center line 302 and datum level are detected and measured in repair process
Vertical distance, to guarantee to meet theory overall height H=7620mm (allowable error ± 3mm) after sliding rail is repaired.
Further, in this step, further includes: axial plane B1 is set in the minds of well between two crossbeams 3 using as another ginseng
Examine datum level.Specifically, the friendship upwardly extended according to each 3 top panel center line 302 of crossbeam with 200 web of cantilever beam, 22 center line
Point is the second datum mark A2, is respectively formed on the second datum mark A2 of a pair, two couple of second datum mark A2 in the left and right beam of cantilever beam 200
Vertical plane where the central point of line is common constitutes axial plane B1 in the minds of well, the upper surface of new to make in cutting reparation step S50
The distance of axial plane B1 is Theoretical Design distance L=5334mm (allowable tolerance ± 2mm) in the minds of plate 32n center line 302n to well, is seen
Fig. 2.
It sets constructing check line step S30: as shown in Figure 3 and Figure 5, construction is set below each 3 top panel 32 of crossbeam
Line 303 is examined, making 303 any point of constructing check line to the vertical line distance of datum level is definite value.Specifically, in each crossbeam 3
The length direction pull-up of web 31 sets steel wire, to constitute the constructing check line 303.
It surveys and draws mowing line step S40: with constructing check line 303 for reference, being surveyed on the web 31 of each crossbeam 3 and draw mowing line
305, so that datum level to the sum of the distance of mowing line 305 and the upper surface of new plate 32n thickness t (mm) is equal to Theoretical Design total height
H=7620mm.
Step S50 is repaired in cutting
The first step, the upper surface of excision crossbeam 3 plate 32.More preferably, the cutting of every 3 top panel 32 of crossbeam is along platform or so pair
Claim to carry out, to guarantee the efficiency of cutting action.
Second step cuts off the part of 31 305 or more mowing line of web along mowing line 305, and after notch cooling, inspection is applied
Work examines line 303 to the distance of datum level, does not meet theoretical value such as, need to readjust constructing check line 303, and according to again
The constructing check line 303 of setting modifies mowing line 305, until height H1=H- of the mowing line 305 apart from datum level
t。
The upper surface of new plate 32n is welded on 31 notch of web by third step.It should be noted that the upper surface of new plate 32n
The thickness of thickness t may be slightly larger than the upper surface of former excision plate 32, to guarantee Theoretical Design total height after repairing.Welding newly upper
Before panel 32n, detect constructing check line 303 again and adjusted again if any error, the step of adjustment with above-mentioned second step
It is identical, it repeats no more.
Refering to Fig. 5 to Fig. 7, in the welding process, the upper surface of the new plate 32n on two crossbeams 3 is positioned simultaneously, each newly upper
Panel 32n is carried out using identical welding sequence: the abutment joint W1 of panel of first burn-oning segmentation is so that it is welded into an entirety, i.e.,
Form the upper surface of new plate 32n；Then the T-type of the upper surface of the new plate 32n of welding and web 31 stitches W2, then weld the upper surface of new plate 32n with
The T-type of gusset 33 stitches W3, and the welding sequence of each seam is simultaneously among seam toward two sides symmetrical welding.
Further, in specific work progress, top panel 32, the connection of gusset 33 and web 31 are cut off for convenience
Position also needs suitably to cut off, therefore in above-mentioned third step, after welding T-type seam W3, also needs to carry out welding gusset 33 and abdomen
The T-type of plate 31 stitches W4.Specific welding can be adjusted according to the actual situation on site.
Preferably, before implementing third step, for the ease of being measured in above-mentioned welding process to the upper surface of new plate 32n
Monitoring, on the notch that the upper surface of new plate 32n is welded on web 31 before, the length direction of the upper surface of new plate 32n survey draw it is more
A measurement position, each measurement position is placed equidistant with and spacing is no more than two meters；Wherein, each measurement position is along the upper surface of new plate
The left, center, right of the width direction of 32n, which is uniformly surveyed, draws three measurement points 304, to determine the center line 302n of the upper surface of new plate 32n, together
When, the measurement and monitoring of flatness are carried out by each measurement position during the welding process.In the present embodiment, the upper surface of new plate
32n is positioned to web 31, and flatness controls within ± 2mm, meanwhile, the center line 302n and well of the upper surface of new plate 32n
The spacing of axial plane B1 controls within L ± 2mm in the heart, to guarantee the precision of the upper surface of new plate 32n welding.
It should be noted that, in real time with datum level to refer to, being supervised during entirely welding the upper surface of new plate 32n
Each measurement point 304 of the upper surface of new plate 32n is controlled, it is such as super to guarantee that all measurement points 304 control within required precision range
Difference should adjust welding method in time.
Further, it before carrying out cutting and repairing step S50, is first welded on the length direction of each 3 web 31 of crossbeam
Reinforcement structure 4, and after step S50 is repaired in cutting, which is removed, is avoided because 3 top panel 32 of crossbeam is cut off
Buckling deformation occurs for 3 web 31 of rear cross beam.
In the present embodiment, the reinforcement structure 4 used is I-steel comprising two wing plates 41 and be set to two wing plates 41 it
Between web 42；The corresponding length direction along 3 web 31 of crossbeam of two wing plates 41 is arranged, which is welded in outside web 31
On side gusset 33, and wing plate 41 and web 31 keeping parallelism of the reinforcement structure 4 far from web 31 is kept to be arranged, with strengthening web 31
Ensure that it reduces deformation in the later period as far as possible.
In other embodiments, which is also possible to T steel, L shape steel or at least with orthogonal two
The structure of a stiffening plate only needs the stiffening plate in reinforcement structure 4 parallel with web 31 and is welded in web 31 by gusset 33
Side.
More than, the flatness reparation of entire sliding rail is completed.
It should be noted that should derrick be drop on sliding rail and be locked in time after step S50 is repaired in cutting
It is fixed, to avoid the stability for influencing rig floor because of the factors such as construction environment or equipment.
In other embodiments, Theoretical Design total height and Theoretical Design distance it is different according to the model of platform cantilever beam and
It determines.
Drilling platforms sliding rail flatness of the present invention is overproof using being repaired under non-seat loose tool formula, only by derrick with
Sliding rail separation, using a full set of accuracy control method, by setting measuring basis and setting constructing check line, with measuring basis
With the reference of constructing check line, by the overproof part of excision cantilever diaphragm, and the upper surface of new plate is welded, ensure that the essence of reparation
Degree, effectively reduces difficulty of construction, and save repairing efficiency and construction cost.
Although describing the present invention with reference to the above exemplary embodiment, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of restorative procedure of drilling platforms sliding rail, overproof to repair sliding rail flatness；Sliding rail includes
Two crossbeams, two crossbeam are arranged in parallel on cantilever beam, which includes web and the upper surface of be set on the web plate；Cantilever
Beam bottom portion has bottom panel；It is characterized in that, the restorative procedure includes:
Derrick is with sliding rail separating step: the derrick on sliding rail is separated with sliding rail；
It sets measuring basis step: setting the bottom surface of cantilever beam bottom panel as benchmark face；
It sets constructing check line step: constructing check line being set below each crossbeam top panel, keeps the constructing check line any
It is some definite value to the vertical line distance of datum level；
It surveys and draws a mowing line step: with constructing check line for reference, being surveyed on each cantilever diaphragm and draw a mowing line, so that datum level is to repairing
The sum of the distance of secant and the upper surface of new plate thickness are equal to the Theoretical Design total height of cantilever beam and sliding rail；
Step is repaired in cutting: first cut off the upper surface of crossbeam plate, then, along mowing wire cutting cantilever diaphragm with cut off the mowing line with
On part, and then the upper surface of new plate is welded on the notch of cantilever diaphragm.
2. restorative procedure as described in claim 1, which is characterized in that the datum level in the setting measuring basis step is really
It surely include: to form four intersection points with two bottom panel center lines of the vertical projection of two cantilever diaphragm center lines and cantilever beam, with structure
At four the first datum marks, datum level is determined by four first datum marks, which is respectively positioned on the benchmark
On face.
3. restorative procedure as described in claim 1, which is characterized in that the setting measuring basis step further include: in two cross
Axial plane in the minds of well is set between beam；
It is repaired in step in the cutting, makes the distance Theoretical Design distance of axial plane in the minds of the upper surface of new plate to well.
4. restorative procedure as claimed in claim 3, which is characterized in that the cantilever beam further includes being connected on its bottom panel
Web；
Axial plane includes: to be upwardly extended with each crossbeam top panel center line and cantilever web center line in the minds of the setting well
Intersection point is the second datum mark, is respectively formed on a pair of second datum mark in the left and right beam of cantilever beam, two pair of second datum mark line
Vertical plane where central point is common constitutes axial plane in the minds of well.
5. restorative procedure as claimed in claim 3, which is characterized in that step is repaired in the cutting further include: in advance new
The length direction interval of top panel, which is surveyed, draws multiple measurement positions, and each measurement position is uniformly surveyed along the width direction of top panel and draws three
A measurement point, to determine the center line of the upper surface of new plate；
When the upper surface of new plate to be welded on the notch of cantilever diaphragm, make axial plane in the minds of the upper surface of new center line to well of plate
Distance is Theoretical Design distance, is welded with reference to each measurement position to the upper surface of new plate, make the upper surface of new plate vertical welding in
Cantilever diaphragm.
6. restorative procedure as described in claim 1, which is characterized in that in the setting constructing check line step, in each cross
The length direction pull-up of web sets steel wire, to constitute the inspection line.
7. restorative procedure as described in claim 1, which is characterized in that before step is repaired in the cutting further include: each
Reinforcement structure is welded on the length direction of cantilever diaphragm, and after step is repaired in the cutting, which is removed.
8. restorative procedure as claimed in claim 7, which is characterized in that the crossbeam further includes multiple gussets；Each gusset point
It is not welded with top panel, web；
The reinforcement structure at least has orthogonal two stiffening plates；The reinforcement structure is welded in the length of cantilever diaphragm
When direction, a stiffening plate in the reinforcement structure is parallel to cantilever diaphragm and is welded and fixed with multiple gussets of crossbeam.
9. restorative procedure as claimed in claim 8, which is characterized in that it is repaired in step in the cutting, it is the upper surface of new inciting somebody to action
When plate is welded on the notch of web, first multiple top panel segmented assemblies are welded to form the upper surface of the new plate, are then welded
The upper surface of new seam between plate and web welds the upper surface of new seam between plate and gusset later.
10. restorative procedure as described in claim 1, which is characterized in that in the derrick and sliding rail separating step, lead to
The mode for crossing jacking jacks up derrick, so that it is separated with sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006615.3A CN110000512B (en) | 2018-01-04 | 2018-01-04 | Method for repairing sliding track of drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006615.3A CN110000512B (en) | 2018-01-04 | 2018-01-04 | Method for repairing sliding track of drilling platform |
Publications (2)
| Publication Number | Publication Date |
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| CN110000512A true CN110000512A (en) | 2019-07-12 |
| CN110000512B CN110000512B (en) | 2020-12-18 |
Family
ID=67164177
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006615.3A Active CN110000512B (en) | 2018-01-04 | 2018-01-04 | Method for repairing sliding track of drilling platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113988607A (en) * | 2021-10-26 | 2022-01-28 | 成都飞机工业（集团）有限责任公司 | Method, device and equipment for analyzing assembly out-of-tolerance of parts and storage medium |
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| CN106868959A (en) * | 2017-03-17 | 2017-06-20 | 中铁三局集团有限公司 | A kind of method that high ferro non-fragment orbit circuit is quickly repaired |
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| US6202274B1 (en) * | 1996-01-31 | 2001-03-20 | Maritime Hydraulics As | Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein |
| CN201326381Y (en) * | 2008-12-16 | 2009-10-14 | 南阳二机石油装备(集团)有限公司 | Top docking type oil rig derrick |
| US20160141057A1 (en) * | 2014-11-13 | 2016-05-19 | Areva Inc. | Excavation and Weld Repair Methodology for Pressurized Water Reactor Piping and Vessel Nozzles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113988607A (en) * | 2021-10-26 | 2022-01-28 | 成都飞机工业（集团）有限责任公司 | Method, device and equipment for analyzing assembly out-of-tolerance of parts and storage medium |
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| Publication number | Publication date |
|---|---|
| CN110000512B (en) | 2020-12-18 |
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