CN114250812A - Device and method for measuring relative distance of underwater steel pipe pile - Google Patents
Device and method for measuring relative distance of underwater steel pipe pile Download PDFInfo
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- CN114250812A CN114250812A CN202111438144.1A CN202111438144A CN114250812A CN 114250812 A CN114250812 A CN 114250812A CN 202111438144 A CN202111438144 A CN 202111438144A CN 114250812 A CN114250812 A CN 114250812A
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- steel pipe
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a device and a method for measuring the relative distance of an underwater steel pipe pile, wherein the measuring device comprises: stainless steel wire rope, turn buckle, force sensor, pulling force show the handbook, wherein: the rings at both ends of the turn buckle are connected with the rings at both ends of the tension sensor through stainless steel wire ropes, so that a closed loop is formed to complete assembly, and the tension display handbook is used for displaying tension born by the tension sensor and is connected through a cable. The measuring method comprises the following steps: firstly, completing the calibration work of the device, making a zero point mark, then respectively sleeving stainless steel wire ropes at the position 20cm below the top of an underwater steel pipe pile after the device is assembled at the position of the steel pipe pile to be tested, tightening the turn buckle screws, and measuring the length of the end part of the circular cap screw from the inner side of the square adjusting frame by using a steel ruler when the number reaches 10kg, so as to obtain the actual distance between the steel pipe piles. The underwater relative distance measuring device is simple in structure and use, and can greatly improve the underwater relative distance measuring precision.
Description
Technical Field
The invention relates to the field of construction measurement of foundation steel pipe piles, in particular to a device and a method for measuring relative distance of an underwater steel pipe pile.
Background
In recent years, the continuous development of domestic offshore wind power technology, the construction technology of wind power foundations is mature day by day, the site selection of an offshore wind farm is gradually shifted from shallow sea to deep sea, at present, a fan foundation is usually in a jacket structure form, a pile method construction process is adopted, namely, pile sinking construction is carried out on steel pipe piles in a wind field, the foundation jacket is transported to the wind field to be integrally hoisted under water to complete butt joint after the whole manufacture of a factory is completed, and thus higher requirements are provided for the measurement accuracy of the relative distance of the steel pipe piles. The structural style of steel-pipe pile is also diversified, directly squeeze into steel-pipe pile etc. like three socketed steel-pipe piles, four piles, wherein three socketed and four piles directly squeeze into the steel-pipe pile and require the relative distance between the accurate measurement steel-pipe pile to guarantee that follow-up jacket is smooth to going into the steel-pipe pile.
At present, the method commonly adopted for measuring the relative distance of the steel pipe pile in offshore engineering is to inversely calculate the relative distance of a lower opening through the verticality of a part of the steel pipe pile which is not immersed in water, the method has high requirement on the precision of an instrument, the inversely calculated precision is very easily influenced by the local deformation of the steel pipe pile, and in addition, the method cannot be applied to the existing method because the steel pipe pile is completely immersed in water during the construction of the steel pipe pile.
In order to meet the construction requirements, a device which is simple in structural form and can visually measure the relative distance of the underwater steel pipe pile is urgently needed to be developed when the device is suitable for construction of the steel pipe pile in a deep water area, so that the relative distance of the underwater steel pipe pile is accurately measured, basic data is provided for subsequent processing in a jacket factory, the supporting legs of the jacket are adjusted to be open, the jacket and the steel pipe pile can be further guaranteed to be smoothly butted underwater, and the risk in the underwater butting process is reduced.
Disclosure of Invention
The first purpose of the invention is to provide a device for measuring the relative distance of an underwater steel pipe pile, which has a simple structural form and can visually measure the relative distance of the underwater steel pipe pile.
The second purpose of the invention is to provide a method for measuring the relative distance of the underwater steel pipe pile.
The first object of the present invention is achieved by:
a device for measuring the relative distance of an underwater steel pipe pile is characterized in that: including stainless steel wire rope, turn buckle, force sensor, pulling force demonstration handbook, wherein: both ends of the turn buckle are connected with both ends of the tension sensor through stainless steel wire ropes to form a closed loop; the signal input end of the tension display handbook for displaying the tension born by the tension sensor is connected with the signal output end of the tension sensor through a cable, and the tension display handbook is above the water surface.
The turnbuckle comprises ring cap bolt, square regulation frame, ring cap pull rod, has the bolt ring in the welding of the one end of ring cap bolt, is equipped with the bolt hole in the middle of the one end of square regulation frame, the inner wall at the bolt hole be equipped with the external screw thread assorted internal thread of ring cap bolt lateral wall, be equipped with the round hole at the other end of square regulation frame, the diameter of this round hole is 1mm bigger than the diameter of ring cap pull rod, ring cap pull rod can free rotation in the round hole.
The pull rod ring is fixed at the outer end of the ring cap pull rod, and the inner end of the ring cap pull rod is a cylinder which is 4mm larger than the diameter of the ring cap pull rod and 5mm thick.
And a mark position is arranged in the middle of the side wall of the circular ring cap bolt, and when the actual measurement distance of the steel pipe pile is equal to the design distance, the mark position coincides with the inner side of the square adjusting frame.
And two ends of the tension sensor are provided with ring pull rods.
The tension display handbook is used for displaying tension born by the tension sensor and displaying the tension in kg.
The diameter of the stainless steel wire rope is 3mm, and the two ends of the stainless steel wire rope are fixedly connected with the circular ring in a clamping manner by adopting a chuck and an aluminum sleeve.
The second object of the invention is achieved by:
a relative distance measuring method for an underwater steel pipe pile is characterized by comprising the following steps: the method comprises the following specific steps:
A. measuring the outer diameter phi and the design distance L of the steel pipe pile according to the requirement, calculating the theoretical length required by the device according to a formula 2L + phi, and lofting two points P with the relative distance of 2L + phi on a horizontal open ground by using a high-precision total station1、P2；
B. After the device is assembled, the circular cap bolt at one end of the square adjusting frame is separated from the square adjusting frame, and the inner side position of one end, provided with the bolt hole, of the square adjusting frame is aligned to one point P of lofting of the high-precision total station1Tensioning the device to another point P of lofting of the high-precision total station2Opening the tension sensor, continuously tensioning to exert force on the device, marking a lofting P on the ring cap pull rod and the high-precision total station after the numerical value of the tension display handbook reaches 10kg2Measuring the length S of the end part of the circular cap bolt from the mark position by using a steel ruler at the overlapped position, and finishing the calibration of the zero point of the device;
C. after the device is assembled at the position of a steel pipe pile to be measured, a diver launches water to sleeve a stainless steel wire rope of the device at a position 20cm below the pile top of the steel pipe pile respectively, the square adjusting frame is rotated, the turn buckle is tightened, the numerical value of a handbook is observed and displayed, when the numerical value reaches 10kg, the length S' from the end part of the ring cap bolt to the inner side of the square adjusting frame is measured by a steel ruler, and the distance between the steel pipe piles is measured in an field;
D. the actual distance L 'between the steel pipe piles is obtained by the formula L- (S' -S)/2.
Compared with the prior art, the invention has the advantages that:
1. the invention has simple structure, can be used only after completing assembly and zero calibration when in use, and has simple use method;
2. the invention has relatively low use cost, does not need too many precise instruments, fully considers the stretching deformation of the stainless steel wire rope and can greatly improve the measurement precision of underwater relative distance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a method of using the present invention;
FIG. 3 is a schematic diagram of the zero calibration method of the present invention;
FIG. 4 is a schematic view of the chuck and aluminum sleeve of the present invention;
figure 5 is a side view of the chuck of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings in conjunction with embodiments.
The utility model provides a device for steel-pipe pile relative distance measures under water, includes stainless steel wire rope 1, turn buckle 2, tension sensor 3, pulling force display handbook 4, wherein: both ends of the turn buckle 2 are connected with both ends of the tension sensor 3 through the stainless steel wire rope 1 to form a closed loop, and then the assembly can be completed; the signal input end of the tension display handbook 4 for displaying the tension born by the tension sensor 3 is connected with the signal output end of the tension sensor 3 through a cable 10, and the tension display handbook 4 is above the water surface.
The turn buckle 2 comprises a ring cap bolt 13, a square adjusting frame 12 and a ring cap pull rod 7, a bolt ring 9 is welded at one end of the ring cap bolt 13, a bolt hole 15 is arranged in the middle of one end of the square adjusting frame 12, an internal thread matched with an external thread of the side wall of the ring cap bolt 13 is arranged on the inner wall of the bolt hole 15, a round hole 16 is arranged at the other end of the square adjusting frame 12, the diameter of the round hole 16 is 1mm larger than that of the ring cap pull rod 7, and the ring cap pull rod 7 can freely rotate in the round hole 16.
A pull rod circular ring 17 is fixed at the outward end of the circular cap pull rod 7, and the inward end of the circular cap pull rod 7 is a cylinder which is 4mm larger than the circular cap pull rod 7 in diameter and 5mm thick.
And a mark position 11 is arranged in the middle of the side wall of the circular ring cap bolt 13, and when the actual measurement distance of the steel pipe pile 5 is equal to the design distance, the mark position 11 is superposed with the inner side of the square adjusting frame 12.
And two ends of the tension sensor 3 are provided with annular pull rods 8.
The tension display handbook 4 is used for displaying the tension born by the tension sensor 3, and the display is in kg.
The diameter of the stainless steel wire rope 1 is 3mm, and two ends of the stainless steel wire rope are fixedly connected with a circular ring in a clamping mode through a clamping head 18 and an aluminum sleeve 19.
A method for measuring the relative distance of an underwater steel pipe pile comprises the following specific steps:
A. measuring the outer diameter phi and the design distance L of the steel pipe pile 5 as required, calculating the theoretical length required by the device according to a formula 2L + phi, and lofting two points P with the relative distance of 2L + phi on a horizontal open ground by using a high-precision total station1、P2；
B. After the device is assembled, the circular cap bolt 13 at one end of the square adjusting frame 12 is separated from the square adjusting frame 12, and the inner side position of one end, provided with the bolt hole 15, of the square adjusting frame 12 is aligned with one point P of high-precision total station lofting1Tensioning the device to another point P of lofting of the high-precision total station2Starting the tension sensor 3, continuously tensioning to exert force on the device, marking a lofting P on the ring cap pull rod 7 and the high-precision total station after the numerical value of the tension display handbook 4 reaches 10kg2Measuring the length S of the end part of the circular cap bolt 13 from the mark position by using a steel ruler at the overlapped position, and finishing the calibration of the zero point of the device;
C. after the device is assembled at the position of a steel pipe pile 5 to be measured, a diver launches water to sleeve a stainless steel wire rope 1 of the device at a position 20cm below the pile top of the steel pipe pile 5 respectively, rotates a square adjusting frame 12, tightens a turn buckle 2, observes the numerical value of a tension display handbook 4, and measures the length S' from the end part of a ring cap bolt 13 to the inner side of the square adjusting frame 13 by using a steel ruler when the numerical value reaches 10kg, and then the distance between the steel pipe piles 5 is measured in an field;
D. the actual distance L 'between the steel pipe piles is obtained by the formula L- (S' -S)/2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather is intended to cover all equivalent structural changes made by the present specification and drawings.
Claims (6)
1. The utility model provides a device that is used for underwater steel-pipe pile relative distance to measure which characterized in that: including stainless steel wire rope, turn buckle, force sensor, pulling force demonstration handbook, wherein: both ends of the turn buckle are connected with both ends of the tension sensor through stainless steel wire ropes to form a closed loop; the signal input end of the tension display handbook for displaying the tension born by the tension sensor is connected with the signal output end of the tension sensor through a cable, and the tension display handbook is above the water surface.
2. The device for measuring the relative distance of the underwater steel pipe pile according to claim 1, wherein: the turnbuckle comprises ring cap bolt, square regulation frame, ring cap pull rod, has the bolt ring in the welding of the one end of ring cap bolt, is equipped with the bolt hole in the middle of the one end of square regulation frame, the inner wall at the bolt hole be equipped with the external screw thread assorted internal thread of ring cap bolt lateral wall, be equipped with the round hole at the other end of square regulation frame, the diameter of this round hole is 1mm bigger than the diameter of ring cap pull rod, ring cap pull rod can free rotation in the round hole.
3. The device for measuring the relative distance of the underwater steel pipe pile according to claim 1, wherein: the pull rod ring is fixed at the outer end of the ring cap pull rod, and the inner end of the ring cap pull rod is a cylinder which is 4mm larger than the diameter of the ring cap pull rod and 5mm thick.
4. The device for measuring the relative distance of the underwater steel pipe pile according to claim 1, wherein: and a mark position is arranged in the middle of the side wall of the circular ring cap bolt, and when the actual measurement distance of the steel pipe pile is equal to the design distance, the mark position coincides with the inner side of the square adjusting frame.
5. The device for measuring the relative distance of the underwater steel pipe pile according to claim 1, wherein: and two ends of the tension sensor are provided with ring pull rods.
6. A relative distance measuring method for an underwater steel pipe pile is characterized by comprising the following steps: the method comprises the following specific steps:
A. measuring the outer diameter phi and the design distance L of the steel pipe pile according to the requirement, calculating the theoretical length required by the device according to a formula 2L + phi, and lofting two points P with the relative distance of 2L + phi on a horizontal open ground by using a high-precision total station1、P2；
B. After the device is assembled, the circular cap bolt at one end of the square adjusting frame is separated from the square adjusting frame, and the inner side position of one end, provided with the bolt hole, of the square adjusting frame is aligned to one point P of lofting of the high-precision total station1Tensioning the device to another point P of lofting of the high-precision total station2Opening the tension sensor, continuously tensioning to exert force on the device, marking a lofting P on the ring cap pull rod and the high-precision total station after the numerical value of the tension display handbook reaches 10kg2Measuring the length S of the end part of the circular cap bolt from the mark position by using a steel ruler at the overlapped position, and finishing the calibration of the zero point of the device;
C. after the device is assembled at the position of a steel pipe pile to be measured, a diver launches water to sleeve a stainless steel wire rope of the device at a position 20cm below the pile top of the steel pipe pile respectively, the square adjusting frame is rotated, the turn buckle is tightened, the numerical value of a handbook is observed and displayed, when the numerical value reaches 10kg, the length S' from the end part of the ring cap bolt to the inner side of the square adjusting frame is measured by a steel ruler, and the distance between the steel pipe piles is measured in an field;
D. the actual distance L 'between the steel pipe piles is obtained by the formula L- (S' -S)/2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111438144.1A CN114250812B (en) | 2021-11-30 | 2021-11-30 | Method for measuring relative distance of underwater steel pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111438144.1A CN114250812B (en) | 2021-11-30 | 2021-11-30 | Method for measuring relative distance of underwater steel pipe pile |
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| CN114250812A true CN114250812A (en) | 2022-03-29 |
| CN114250812B CN114250812B (en) | 2023-07-14 |
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| CN213654182U (en) * | 2020-07-25 | 2021-07-09 | 中建二局第一建筑工程有限公司 | Pull-up type overhanging outer frame of turn buckle pull rod |
| CN214010158U (en) * | 2021-02-02 | 2021-08-20 | 武汉市金港岩土工程有限公司 | High-efficient stake position measuring device |
| CN113700017A (en) * | 2021-08-31 | 2021-11-26 | 中交第四航务工程局有限公司 | Underwater stay cord positioning method and measuring and positioning method for underwater installation of immersed tube |
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2021
- 2021-11-30 CN CN202111438144.1A patent/CN114250812B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353318A (en) * | 2011-07-11 | 2012-02-15 | 清华大学 | Long-spans mall-displacement automatic measuring method and apparatus thereof |
| CN104457656A (en) * | 2014-12-02 | 2015-03-25 | 公安部天津消防研究所 | Displacement measurement device with temperature and tensile force correcting function and displacement measurement method |
| CN204530707U (en) * | 2015-04-02 | 2015-08-05 | 葛洲坝集团第五工程有限公司 | Simple and easy Open sea area steel trestle steel pipe pile construction positioner |
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| CN213654182U (en) * | 2020-07-25 | 2021-07-09 | 中建二局第一建筑工程有限公司 | Pull-up type overhanging outer frame of turn buckle pull rod |
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| CN114250812B (en) | 2023-07-14 |
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