CN116858164A - Data acquisition method for lifting foundation installation of self-elevating work platform - Google Patents
Data acquisition method for lifting foundation installation of self-elevating work platform Download PDFInfo
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- CN116858164A CN116858164A CN202310825733.8A CN202310825733A CN116858164A CN 116858164 A CN116858164 A CN 116858164A CN 202310825733 A CN202310825733 A CN 202310825733A CN 116858164 A CN116858164 A CN 116858164A
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- lifting
- foundation
- data
- total station
- lifting foundation
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000013480 data collection Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Theoretical Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Data Mining & Analysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Artificial Intelligence (AREA)
- Bioinformatics & Computational Biology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of wind power installation platforms, and particularly discloses a data acquisition method for lifting foundation installation of a self-elevating operation platform, which comprises the following steps: determining a measurement reference of the center of the surrounding well, and erecting a total station; determining an angle reference by using the total station, adjusting the angle of the total station, and acquiring data of a lifting foundation after the lifting system is positioned; collecting guide groove data of each lifting foundation by using a total station, and checking the self angle deviation of the lifting foundation; and (3) acquiring the center distance between the guide grooves of any two lifting foundations, matching the data acquired by the total station with theoretical data of a lifting system, and digitally simulating pile leg inserting operation by a computer. The invention can reduce the accumulated error of the measuring and positioning method of the lifting system in the prior art, ensure the gap precision between the lifting system and the pile leg, avoid the occurrence of post reworking and shorten the whole maintenance period; and the total station is utilized to improve the data acquisition efficiency and reduce the time cost and the labor cost.
Description
Technical Field
The invention relates to the technical field of wind power installation platforms, in particular to a data acquisition method for lifting foundation installation of a self-elevating operation platform.
Background
The self-elevating type working platform is suitable for being used for installing offshore wind power generation equipment, has the functions of pile insertion, hoisting and the like, and is generally provided with 4 surrounding wells and 4 sets of gear rack type lifting systems. The lifting system is positioned in the pile leg surrounding well area of the platform, is an important component structure of the platform, and is mainly used for providing support for lifting device equipment and locking devices and is a bearing structure for connecting the pile legs and the main hull. Because the clearance between each set of lifting system and the corresponding spud leg is only 3mm, the spud leg pile inserting operation is equivalent to needle threading, and the lifting system is scrapped when the clearance precision deviation is more than or equal to 3mm, so that the construction and installation precision of the lifting system and the spud leg is directly related to whether the offshore wind power installation platform can be lifted smoothly. At present, each set of lifting system comprises three lifting foundations, wherein the three lifting foundations form an equilateral triangle structure with 120 degrees, and each set of lifting system is divided into an upper lifting foundation (upper foundation) and a lower lifting foundation (lower foundation) by taking a horizontal welding seam of 500mm below a main deck as a boundary.
However, because the positioning accuracy of the lifting system is low in the prior art, the accumulated error of the measuring and positioning method of the lifting system is large, and the gap accuracy between the lifting system and the pile leg is difficult to ensure, for example, the pile insertion of the pile leg is greatly affected if the accuracy error of the lifting system is large, so that the post reworking is caused, and the whole maintenance period is prolonged.
Disclosure of Invention
The invention aims to solve the technical problems that: how to ensure the positioning accuracy of the lifting system so as to avoid the occurrence of later reworking.
In order to solve the technical problems, the invention provides a data acquisition method for installing a lifting foundation of a self-elevating work platform, which comprises the following steps:
determining a measurement reference of the center of the surrounding well, and erecting a total station;
determining an angle reference by using the total station and adjusting the angle of the total station, and acquiring data of a lifting foundation after the lifting system is positioned;
collecting guide groove data of each lifting foundation by using the total station, and checking the self angle deviation of the lifting foundation;
and acquiring the center distance between the guide grooves of any two lifting foundations, matching the data acquired by the total station with theoretical data of a lifting system, and digitally simulating pile leg inserting operation by a computer.
Further preferably, the step of determining a measurement reference of the center of the surrounding well and erecting the total station includes:
and measuring and determining a central measurement reference of each surrounding well by using a measurement assembly, and erecting a total station on the central measurement reference.
Further preferably, the step of acquiring data of the lifting foundation after the positioning of the lifting system includes:
measuring the distance between the centers of any two upper lifting foundations;
measuring the distance between any two edges of the lifting foundation; and
measuring the distance from the edge of the upper lifting foundation to the central measuring reference of the surrounding well;
and further judging the verticality, the front-back gradient and the torsion degree of the lifting foundation according to the measurement data.
Further preferably, the step of determining an angle reference by the total station and adjusting an angle of the total station includes:
and measuring the 120-degree angle line of the surrounding well by using the total station, determining an angle reference, and rotating the total station angle by using instrument airborne software according to the angle reference.
Further preferably, the step of collecting the guide slot data of each lifting foundation using the total station includes:
and obtaining the distance from the center of each lifting foundation guide groove to the center measurement reference of the surrounding well.
It is further preferable that after the distance from the center of each of the lifting base guide grooves to the center measurement reference of the manhole is obtained, it is checked whether the tolerance of the distance from the center of each guide groove to the center measurement reference of the manhole is + -3 mm.
Further preferably, the step of checking the self-angular deviation of the lifting foundation includes:
checking whether the self angle deviation of the lifting foundation is within +/-5 mm; and/or
Checking whether the self angle deviation of the lifting foundation is within +/-0.07 degrees.
Further preferably, after the center distances of the guide grooves of any two lifting bases are collected, whether the tolerance of the center distances of the guide grooves of any two upper lifting bases is within the range of 0-5mm is judged.
Further preferably, after the lifting system is positioned, the positioning state of the lifting system is adjusted by combining the verticality, the front-back gradient and the torsion degree of the upper lifting foundation, the adjusted lifting system is correspondingly reinforced and fixed, and then the total station is used for collecting guide groove data of the lifting foundation.
Further preferably, the data collected by the total station is matched with theoretical data of the lifting system, and after the computer digitally simulates pile leg inserting operation, the machining thickness of the wear-resisting plate is determined and machined according to the matched data and the tolerance requirement of the wear-resisting plate of the guide groove.
Compared with the prior art, the data acquisition method for installing the lifting foundation of the self-elevating type operation platform has the beneficial effects that:
according to the invention, the total station is erected at the center measurement reference position of the surrounding well, the total station is utilized to determine an angle reference and adjust the angle of the total station, after the lifting system is positioned, guide groove data of each lifting foundation and guide groove center distance data of any two lifting foundations can be acquired, the self angle deviation of the lifting foundations is checked, finally, the data acquired by the total station is matched with the theoretical data of the lifting system, and pile inserting operation of the pile leg is digitally simulated by utilizing a computer, so that the construction and installation precision of the lifting system and the pile leg is ensured, the accumulated error of a positioning method of the lifting system in the prior art is reduced, the gap precision between the lifting system and the pile leg is ensured, the occurrence of post reworking is avoided, and the whole maintenance period is shortened; and the total station is utilized to improve the data acquisition efficiency and reduce the time cost and the labor cost.
Drawings
Fig. 1 is a step diagram of a data acquisition method for lifting foundation installation of a jack-up work platform according to the present invention.
Fig. 2 is a schematic diagram of the arrangement of the total station and the lifting foundation according to the invention.
In the figure, 11, a first lifting foundation; 12. a second lifting foundation; 13. a third lifting foundation; 14. total station.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "between," "center," "corner," etc. in the present invention are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the embodiment provides a data collection method for installing a lifting foundation of a jack-up working platform, which includes the following steps:
step one: determining a measurement reference of the center of the surrounding well, and erecting a total station;
step two: determining an angle reference by using the total station and adjusting the angle of the total station, and acquiring data of a lifting foundation after the lifting system is positioned;
step three: collecting guide groove data of each lifting foundation by using the total station, and checking the self angle deviation of the lifting foundation;
step four: and acquiring the center distance between the guide grooves of any two lifting foundations, matching the data acquired by the total station with theoretical data of a lifting system, and digitally simulating pile leg inserting operation by a computer.
In some examples, the step of determining a well center measurement benchmark, and erecting a total station comprises: and measuring and determining a central measurement reference of each surrounding well by using a measurement assembly, and erecting a total station on the central measurement reference.
As shown in fig. 2, the lifting system includes a first lifting foundation 11, a first lifting foundation 12 and a first lifting foundation 13, theoretically, three lifting foundations should form an equilateral triangle structure with 120 ° each other, and the total station 14 is arranged at the center position of the equilateral triangle structure, but often in actual installation, the positioning accuracy of the lifting system is low, which results in large accumulated errors of the measuring and positioning method of the lifting system, and it is difficult to ensure the gap accuracy between the lifting system and the pile leg, for example, the accuracy error of the lifting system is large, which greatly affects the pile insertion of the pile leg, resulting in post reworking and prolonging the whole maintenance period.
For this purpose, in the above example, the step of acquiring the data of the lifting foundation after the positioning of the lifting system comprises: measuring the distance between the centers of any two upper elevation foundations, namely, the distance LA1 between the centers of the first elevation foundation 11 and the third elevation foundation 13 as in fig. 2; measuring the distance between the edges of any two upper lifting bases and the distance from the edges of the upper lifting bases to the central measuring reference of the well, namely, measuring the distance LB1 between the edges of the first lifting base 11 and the third lifting base 13 as shown in figure 2 and measuring the distance LB2 from the edges of the third lifting base 13 to the central measuring reference of the well; and then further judging the verticality, the front-back gradient and the torsion degree of the lifting foundation according to the measurement data.
In the above example, after the lifting system is positioned, the positioning state of the lifting system is adjusted by combining the verticality, the front-back gradient and the torsion degree of the lifting foundation, the adjusted lifting system is correspondingly reinforced and fixed, and then the total station is used for collecting the guide slot data of the lifting foundation.
In some examples, the step of determining an angle reference with the total station and adjusting the angle of the total station comprises: and measuring the 120-degree angle line of the surrounding well by using the total station, determining an angle reference, and rotating the total station angle by using instrument airborne software according to the angle reference.
In some examples, the step of collecting the guideway data for each of the lifting foundations using the total station includes: the distance LA2 from the center of each lifting base guide groove to the center measurement reference of the surrounding well is obtained, as shown in fig. 2.
In the above example, after the distance from the center of each of the lifting base guide grooves to the center measurement reference of the manhole is obtained, it is checked whether the tolerance of the distance from the center of each guide groove to the center measurement reference of the manhole is ±3mm.
In some examples, the step of checking the lift base for self-angular deviation includes: checking whether the self angle deviation of the lifting foundation is within +/-5 mm; and/or checking whether the angle deviation of the lifting foundation itself is within + -0.07 deg..
In some examples, after the center-to-center distances of the guide grooves of any two lifting bases are collected, it is determined whether the tolerance of the center-to-center distances of the guide grooves of any two upper lifting bases is within a range of 0-5 mm.
In some examples, the data collected by the total station is matched with theoretical data of a lifting system, and after the computer digitally simulates pile leg inserting operation, the machining thickness of the wear plate is determined and machined according to the matched data and the tolerance requirement of the wear plate of the guide groove.
In summary, the data acquisition method for installing the lifting foundation of the self-elevating operation platform provided by the embodiment of the invention comprises the steps of erecting a total station at a central measurement reference position of a surrounding well, determining an angle reference by using the total station and adjusting the angle of the total station, acquiring guide groove data of each lifting foundation and guide groove center-to-center distance data of any two lifting foundations after positioning of a lifting system, checking the self-angle deviation of the lifting foundations, finally matching the data acquired by the total station with theoretical data of the lifting system, and digitally simulating pile leg pile inserting operation by using a computer so as to ensure the construction and installation precision of the lifting system and the pile legs, reduce the accumulated error of the lifting system measurement positioning method in the prior art, ensure the gap precision between the lifting system and the pile legs, avoid the occurrence of post reworking and shorten the whole maintenance period; and the total station is utilized to improve the data acquisition efficiency and reduce the time cost and the labor cost.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention. While there has been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing preferred embodiments, and that the examples should be considered as exemplary and not limiting, the scope of the present invention being defined by the appended claims rather than by the foregoing description, and it is therefore intended to include within the invention all changes which fall within the meaning and range of equivalency of the claims.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail herein, but rather is provided for the purpose of enabling those skilled in the art to make and use the embodiments described herein.
Claims (11)
1. The data acquisition method for installing the lifting foundation of the self-elevating work platform is characterized by comprising the following steps of:
determining a measurement reference of the center of the surrounding well, and erecting a total station;
determining an angle reference by using a total station, adjusting the angle of the total station, and acquiring data of a lifting foundation after a lifting system is positioned;
collecting guide groove data of each lifting foundation by using the total station, and checking the self angle deviation of the lifting foundation;
and acquiring the center distance between the guide grooves of any two lifting foundations, matching the data acquired by the total station with theoretical data of a lifting system, and digitally simulating pile leg inserting operation by a computer.
2. The method for collecting data for lifting foundation installation of jack-up platform according to claim 1, wherein the step of determining a measurement reference of the center of the manhole and erecting a total station comprises:
and measuring and determining a central measurement reference of each surrounding well by using a measurement assembly, and erecting a total station on the central measurement reference.
3. The method for collecting data installed on a lifting foundation of a jack-up type working platform according to claim 2, wherein the step of obtaining the data of the lifting foundation after the positioning of the lifting system comprises:
measuring the distance between the centers of any two upper lifting foundations;
measuring the distance between any two edges of the lifting foundation; and
and measuring the distance from the edge of the upper lifting foundation to the central measuring reference of the surrounding well.
4. A method of data collection for installation of a jack-up work platform lifting foundation according to claim 3, wherein the verticality, fore-aft inclination and torsion of the lifting foundation are further determined based on the measurement data.
5. The method for collecting data for lifting foundation installation of jack-up work platform according to claim 1, wherein said step of determining an angle reference by said total station and adjusting an angle of said total station comprises:
and measuring the 120-degree angle line of the surrounding well by using the total station, determining an angle reference, and rotating the total station angle by using instrument airborne software according to the angle reference.
6. The method for collecting data installed on a lifting foundation of a jack-up type working platform according to claim 1, wherein the step of collecting guide slot data of each lifting foundation by using the total station comprises:
and obtaining the distance from the center of each lifting foundation guide groove to the center measurement reference of the surrounding well.
7. The data collection method for lifting foundation installation of jack-up work platform according to claim 5, wherein after obtaining the distance from the center of each lifting foundation guide slot to the center measurement reference of the well, checking whether the tolerance of the distance from the center of each guide slot to the center measurement reference of the well is + -3 mm.
8. The method for data collection for installation of a jack-up work platform lifting foundation of claim 1, wherein said step of checking the self-angular deviation of the lifting foundation comprises:
checking whether the self angle deviation of the lifting foundation is within +/-5 mm; and/or
Checking whether the self angle deviation of the lifting foundation is within +/-0.07 degrees.
9. The data acquisition method for installing the lifting foundation of the self-elevating work platform according to claim 1, wherein after the center distances of the guide grooves of any two lifting foundations are acquired, whether the tolerance of the center distances of the guide grooves of any two upper lifting foundations is within the range of 0-5mm is judged.
10. The method for collecting data installed on a lifting foundation of a self-elevating platform according to claim 4, wherein after the lifting system is positioned, the positioning state of the lifting system is adjusted by combining the verticality, the front-rear inclination and the torsion of the lifting foundation, the adjusted lifting system is correspondingly reinforced and fixed, and then the total station is used for collecting guide groove data of the lifting foundation.
11. The data acquisition method for lifting foundation installation of self-elevating work platform according to claim 1, wherein the data acquired by the total station is matched with theoretical data of a lifting system, and after the computer digitally simulates pile leg pile insertion operation, the machining thickness of the wear plate is determined and machined according to the matched data and the tolerance requirement of the wear plate of the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825733.8A CN116858164A (en) | 2023-07-06 | 2023-07-06 | Data acquisition method for lifting foundation installation of self-elevating work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825733.8A CN116858164A (en) | 2023-07-06 | 2023-07-06 | Data acquisition method for lifting foundation installation of self-elevating work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116858164A true CN116858164A (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310825733.8A Pending CN116858164A (en) | 2023-07-06 | 2023-07-06 | Data acquisition method for lifting foundation installation of self-elevating work platform |
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| Country | Link |
|---|---|
| CN (1) | CN116858164A (en) |
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2023
- 2023-07-06 CN CN202310825733.8A patent/CN116858164A/en active Pending
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