CN100465578C - Large-scale truss type stake leg segmentation data detection method - Google Patents
Large-scale truss type stake leg segmentation data detection method Download PDFInfo
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- CN100465578C CN100465578C CNB2007101575877A CN200710157587A CN100465578C CN 100465578 C CN100465578 C CN 100465578C CN B2007101575877 A CNB2007101575877 A CN B2007101575877A CN 200710157587 A CN200710157587 A CN 200710157587A CN 100465578 C CN100465578 C CN 100465578C
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Abstract
The invention discloses a method for performing a measurement to the size of the triangle truss type spud leg and the local precision during the process of constructing a jack up drilling platform, wherein, the large scale truss type spud leg segmenting data detecting method of the invention comprises the detecting procedures that: the main size of the spud leg is detected; the main size of the spud leg comprises a spud leg segmenting length (L1), a spud leg segmenting height (H1), a distance from a gear rack plate to a spud leg (Z1, Z2 and Z3), and a gear rack plate space (B1, B2, B3); the levelness of the gear rack plate and the crown of the gear rack plate end face are detected; the middle point (P5) of an end part gear rack central line is fetched to detect the same face degree of the gear rack plate. The invention has the advantages that the invention is convenient and advisable and has high detection precision, under the support of a high precision instrument, the exact dimensional accuracy, a tolerance and a derivation can be obtained, thereby guiding a construction process, guaranteeing the quality of the final drilling platform, reducing the possibility of the platform damage, and ensuring the safety of an offshore operation.
Description
Technical field
The present invention relates to a kind of detection method of frame-type support body local size precision, more particularly, relate to a kind of at being used to build triangular truss formula spud leg segmentation the carrying out dimensional measurement of self-elevating drilling platform and the method that local accuracy, deviation are measured.
Background technology
The applicant has described a kind of sectional casing rack device that is used for the spud leg sectional construction in the Chinese patent " the sectional casing rack device that is used for the spud leg sectional construction " of application in 2006 12 years 8 days.In the literary composition pile legs of self-elevating drilling platform structure is described.Its spud leg is shaped as the English truss formula, and the place, three angles of pile leg structure is provided with the main shipboard tube of band tooth bar, connects by stay tube therebetween, comprises two relative semicircle pipes and the part that has tooth bar (or claiming rack-plate), is connected to form English truss by structural pipe.Problem is, because the drilling platform structural strength requires high, therefore, each local dimensional accuracy of pile leg structure there is strict demand, therefore must from the total group of each data tolerance, spud leg of spud leg with close up after the size between spud leg up and down get in touch and each building course is started with to the aspect that influences of dimensional accuracy, formulate the method for stake leg segmentation data detection.And the construction precision of machinery platform triangular truss formula spud leg is one of the emphasis of whole platform construction and difficult point, in building course and after building end, must there be a whole set of strict data detection system to do monitoring, has only and utilize strict precision control, could guarantee the precision of spud leg.
Summary of the invention
The present invention is directed to the problems referred to above, the method that provides a kind of large-scale truss type stake leg segmentation data to detect its objective is in building the self-elevating drilling platform process, and a kind of succinct convenience, detection method that the test result precision is high implemented is provided.Thereby guarantee the construction precision of platform, and then guarantee the intensity of platform opposing external force, the security of lifting platform.Or rather, the invention provides in spud leg segmentation testing process, the test point that need provide in order to detect each dimensional accuracy, those skilled in the art are knowing under the prerequisite of these test points, utilize testing tools such as total powerstation, transit, quadrant, can obtain the detection data exactly.
In order to address the above problem, the present invention has constructed a kind of large-scale truss type stake leg segmentation data detection method, comprise following detection step: 1,, comprising: go out the spud leg section length by the distance detecting between main shipboard tube two ends of spud leg segmentation to the detection of spud leg principal dimensions; Detect the spud leg height of lift by main shipboard tube to the vertical range of spud leg segmentation opposite face (be main shipboard tube end center point to the distance of spud leg segmentation face) relatively; Centre distance by the extremely relative spud leg segmentation equilateral triangle interface of main shipboard tube end center point detects rack-plate to segmentation centre distance; And go out the rack-plate spacing by the distance detecting between the main shipboard tube end center point.The present invention also need detect the rack-plate levelness, and its end points that need obtain a side action line on the rack-plate surface detects; The present invention also need detect the camber of rack-plate end face, utilizes rack-plate end face central point to detect.Guarantee the intensity needs of structure in addition, also need the upper surface and the lower surface of spud leg segmentation are detected rack-plate coplanar degree respectively, utilize the mid point of end rack central line to detect.
The present invention has constructed a kind of large-scale truss type stake leg segmentation data detection method, after finishing above-mentioned detection, also need detect Template Location line deviation LX, LY.Its objective is, on the basis that guarantees the template precision, guarantee the construction precision of large truss type pile leg segmentation.
A kind of large-scale truss type stake leg segmentation data detection method of the present invention, have convenient feasible, accuracy of detection is high, on the basis that cooperates high precision instrument (as total powerstation, transit, quadrant), can obtain dimensional accuracy and deviation exactly, thereby instruct building course, guarantee the quality of final drilling platform, reduce the impaired possibility of platform, guaranteed the safety of offshore operation.
Description of drawings
Fig. 1 is that the spud leg section side is to structural representation;
Fig. 2 is a spud leg segmentation upper and lower end face structural representation;
Fig. 3 is an A place end face structure enlarged diagram among Fig. 1;
Fig. 4 is the big synoptic diagram in end face structure side, B place among Fig. 1;
Fig. 5 is a template end face structure synoptic diagram;
Fig. 6 is a spud leg segmentation upper surface structural representation, demonstrates the check point of rack-plate coplanar degree;
Fig. 7 is a spud leg segmentation lower surface structural representation, demonstrates the check point of rack-plate coplanar degree;
Fig. 8 is the rack-plate schematic cross-section.
Embodiment
Large-scale truss type stake leg segmentation data detection method of the present invention comprises the detection to the spud leg principal dimensions, wherein:
A goes out spud leg section length L1 (as shown in Figure 1) by the distance detecting between the spud leg segmentation one main shipboard tube two ends;
B detects spud leg height of lift H1 (as shown in Figure 2) by main shipboard tube to the vertical range (being the distance of main shipboard tube end center point to spud leg segmentation opposite face) of spud leg segmentation opposite face;
C detects rack-plate to spud leg segmentation centre distance Z1, Z2, Z3 (as shown in Figure 2) by main shipboard tube end center point to relative spud leg segmentation equilateral triangle centre distance on xsect;
D goes out rack-plate spacing B1, B2, B3 (as shown in Figure 2) by the distance detecting between the main shipboard tube end center point.
This detection method also need detect rack-plate levelness (shown in Fig. 3 and 4, i.e. the amount of deflection of rack-plate) by the end points P1 of a side action line PL1, PL2 (pitch line) on the rack-plate surface; Detect the linearity (shown in Fig. 3 and 4, i.e. the camber of rack-plate) of rack-plate end face by rack-plate end face center point P 2.Wherein, Fig. 3 and Fig. 4 are respectively NO.1 main shipboard tube A place enlarged drawing among Fig. 1, and NO.2 or NO.3 main shipboard tube B place enlarged drawing.P3 represents the port central point among Fig. 4.
Fig. 5 has shown the detection of template, and the Chinese patent " the sectional casing rack device that is used for the spud leg sectional construction " that this template is applied on Dec 8th, 2006 the applicant has illustrated, is mainly used in the construction of spud leg segmentation.This application is incorporated into this paper by reference.In building course,, therefore only under the prerequisite that guarantees the template precision, could guarantee the precision of spud leg sectional construction because template plays the benchmark effect.For this reason, as shown in Figure 5, need to detect deviation LX, the LY of rack central line Ln1, Ln3 relative positioning line Ln2, Ln4.
Fig. 6 and Fig. 7 represent the structure of the upper and lower end face of spud leg segmentation, and the detection of rack-plate coplanar degree is described in conjunction with Fig. 8.The same position of getting other relatively two main shipboard tubes of mid point P5 of end tooth bar centre line L n6 detects the coplanar degree, and " zero " expression among Fig. 6 and 7 needs the point of detection.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (2)
1, a kind of large-scale truss type stake leg segmentation data detection method is characterized in that, comprises following detection step:
S1, to the detection of spud leg principal dimensions, comprising:
A spud leg section length (L1), i.e. distance between main shipboard tube two ends of spud leg segmentation;
B spud leg height of lift (H1), main shipboard tube are to the vertical range of spud leg segmentation opposite face, and promptly the main shipboard tube end center point is to the distance of spud leg segmentation opposite face;
The c rack-plate is to spud leg segmentation centre distance (Z1, Z2, Z3), and promptly the main shipboard tube end center point is to respective end spud leg segmentation equilateral triangle centre distance;
D rack-plate spacing (B1, B2, B3), i.e. distance between the main shipboard tube end center point;
S2, detection rack-plate levelness, the end points (P1) of promptly getting a side action line (PL1, PL2) on the rack-plate surface detects; And the camber of detection rack-plate end face is promptly got rack-plate end face central point (P2) and is detected;
S3, the upper surface and the lower surface of spud leg segmentation are detected rack-plate coplanar degree respectively, the mid point (P5) of getting the end rack central line detects.
2, large-scale truss type stake leg segmentation data detection method according to claim 1 is characterized in that, after finishing S1, S2, S3 step, detects Template Location line deviation (LX, LY).
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| CNB2007101575877A CN100465578C (en) | 2007-10-18 | 2007-10-18 | Large-scale truss type stake leg segmentation data detection method |
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| CN100465578C true CN100465578C (en) | 2009-03-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339255B (en) * | 2008-08-12 | 2011-05-18 | 中国海洋石油总公司 | Method for accurately measuring and calculating self-elevating drilling platform well position |
| CN101576197B (en) * | 2009-06-01 | 2012-04-18 | 中国海洋石油总公司 | Semi-circular plate for pile leg chord tube of self-elevating platform and manufacturing process thereof |
| CN102717248A (en) * | 2012-07-05 | 2012-10-10 | 南通中远船务工程有限公司 | Design method for section closure accuracy of octagonal pile leg |
| CN110952520B (en) * | 2019-10-14 | 2021-03-23 | 广州文冲船舶修造有限公司 | Pile leg rack detection and repair process of self-elevating platform |
| CN116620515B (en) * | 2023-07-19 | 2023-11-03 | 中船黄埔文冲船舶有限公司 | Mounting, positioning and folding method for lifting foundation of self-elevating type working platform |
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| US5127767A (en) * | 1989-01-11 | 1992-07-07 | Maersk Olie Og Gas A/S | Method and a device for mounting the piles associated with the installation of a pile-founded offshore platform |
| CN1737313A (en) * | 2004-08-20 | 2006-02-22 | 中国建筑第八工程局第一建筑公司青岛分公司 | Inclined triangular pyramid truss frame structure and its fabrication, installation and measurement methods |
| JP2006274635A (en) * | 2005-03-29 | 2006-10-12 | Daiwa House Ind Co Ltd | Pile driving posture monitoring device and pile driving posture monitoring method |
| CN1974936A (en) * | 2006-12-08 | 2007-06-06 | 大连船舶重工集团有限公司 | Assembling method for large truss type pile leg structure |
| CN200955142Y (en) * | 2006-09-20 | 2007-10-03 | 大连船舶重工集团有限公司 | Large-truss type pile-leg structure gethering-up positioning device |
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- 2007-10-18 CN CNB2007101575877A patent/CN100465578C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5127767A (en) * | 1989-01-11 | 1992-07-07 | Maersk Olie Og Gas A/S | Method and a device for mounting the piles associated with the installation of a pile-founded offshore platform |
| CN1737313A (en) * | 2004-08-20 | 2006-02-22 | 中国建筑第八工程局第一建筑公司青岛分公司 | Inclined triangular pyramid truss frame structure and its fabrication, installation and measurement methods |
| JP2006274635A (en) * | 2005-03-29 | 2006-10-12 | Daiwa House Ind Co Ltd | Pile driving posture monitoring device and pile driving posture monitoring method |
| CN200955142Y (en) * | 2006-09-20 | 2007-10-03 | 大连船舶重工集团有限公司 | Large-truss type pile-leg structure gethering-up positioning device |
| CN1974936A (en) * | 2006-12-08 | 2007-06-06 | 大连船舶重工集团有限公司 | Assembling method for large truss type pile leg structure |
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Assignee: Dalian Shipbuilding Technology Research Center Co., Ltd. Assignor: Dalian Shipping Heavy Industry Group Co., Ltd. Contract record no.: 2011210000122 Denomination of invention: Large-scale truss type stake leg segmentation data detection method Granted publication date: 20090304 License type: Exclusive License Open date: 20080319 Record date: 20110824 |
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Assignee: Dalian Shipbuilding Technology Research Center Co., Ltd. Assignor: Dalian Shipping Heavy Industry Group Co., Ltd. Contract record no.: 2011210000122 Date of cancellation: 20110829 |