CN109141815B - Inverted-buckle hinged movable measuring beam device for ocean platform wave load test - Google Patents
Inverted-buckle hinged movable measuring beam device for ocean platform wave load test Download PDFInfo
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- CN109141815B CN109141815B CN201811080065.6A CN201811080065A CN109141815B CN 109141815 B CN109141815 B CN 109141815B CN 201811080065 A CN201811080065 A CN 201811080065A CN 109141815 B CN109141815 B CN 109141815B
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- base plate
- measuring beam
- wave load
- load test
- upper platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Force Measurement Appropriate To Specific Purposes (AREA)
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Abstract
The invention relates to a back-off hinged movable measuring beam device for a wave load test of an ocean platform, which comprises a plurality of lower floating barrels arranged at intervals, wherein the upper surface of each lower floating barrel is provided with an upper platform structure through a middle upright post, each upper platform structure is positioned at the same plane position, each upper platform structure is provided with a pit, a base plate is arranged in each pit, and the upper surface of each base plate is flush with the upper surface of each upper platform structure; the structure of base plate does: the base plate is provided with a plurality of observation holes, the hinge mechanism is installed on the bottom surface of one end of the base plate, the bolt hole is formed in the other end of the base plate, the measuring beam is installed in the middle of the bottom surface of the base plate through the reinforcing rib plate, the measuring beam transversely penetrates through the upper platform structures, the hinge mechanism of the base plate is used for connecting the measuring beam with the upper platform structures, and the bolt hole of the base plate is used for connecting the measuring beam with the upper platform structures through bolts. Reliable operation and flexible measurement.
Description
Technical Field
The invention relates to the technical field of nuclear measurement devices, in particular to a back-off hinged movable measuring beam device for a wave load test of an ocean platform.
Background
When the ocean platform is subjected to a wave load model test in the water tank, the strain measurement points on the surfaces of one or more measurement beams at the notches of the model segments are reflected, and strain values measured in the test can be converted into the required vertical bending moment load of the ocean platform in waves through corresponding conversion relations.
But if directly adopt present tradition to the fixed survey beam mounting type of drainage type boats and ships, will make the ballasted cloth of marine platform model earlier stage calibration of flotation pontoon + stand + last platform structural style put (the marine platform model ballast can only be laid in the narrow and small and discontinuous stand in space, the traditional fixed survey beam connection scheme will be very unfavorable for ballasted putting into and taking out) and the inside observation of model and the adjustment of test phase (test phase need observe the dry humidity in flotation pontoon and the stand at any time, prevent that the model is inside to intake, traditional fixed baseplate will shelter from the flotation pontoon mouth completely, can't be at any time to inside dynamic observation and adjustment) become very difficult.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a reversing hinged movable measuring beam device for ocean platform wave load tests, which is reasonable in structure, so that the basic premise that the moment of inertia is similar to an ocean platform entity is met, the reversing hinged movable measuring beam device can be opened and closed at will in a model calibration stage to facilitate the putting in and taking out of ballast in an upright column, and the weight of a measuring system is reduced and simultaneously testers can observe the insides of the upright column and a buoy in a mode of observing holes in a connection base plate, so that a convenient measuring device is provided for the wave load pool model test of an ocean platform.
The technical scheme adopted by the invention is as follows:
a movable measuring beam device with reverse buckles hinged for a wave load test of an ocean platform comprises a plurality of lower floating barrels arranged at intervals, wherein an upper platform structure is arranged on the upper surface of each lower floating barrel through a middle upright post, each upper platform structure is located at the same plane position, a pit is formed in each upper platform structure, a base plate is arranged in each pit, and the upper surface of each base plate is flush with the upper surface of each upper platform structure; the structure of base plate does: the base plate is provided with a plurality of observation holes, the hinge mechanism is installed on the bottom surface of one end of the base plate, the bolt hole is formed in the other end of the base plate, the measuring beam is installed in the middle of the bottom surface of the base plate through the reinforcing rib plate, the measuring beam transversely penetrates through the upper platform structures, the hinge mechanism of the base plate is used for connecting the measuring beam with the upper platform structures, and the bolt hole of the base plate is used for connecting the measuring beam with the upper platform structures through bolts.
As a further improvement of the above technical solution:
the cross section of the measuring beam is of a circular structure, and strain gauges are adhered to the upper surface and the lower surface of the measuring beam.
The measuring beam is a metal beam.
The observation holes are in a round structure or a square structure.
The observation holes are distributed at four corners of the base plate.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, the measuring beam device adopts a sectional structure, the measuring beam is fixed with the upper platform structure model through a plurality of connecting base plates arranged right above the lower floating cylinders, holes can be formed on the base plates according to requirements to reduce the weight of the base and facilitate the observation of the interior of the upright post, one side of each connecting base is fixed by bolts, and one end of each connecting base is hinged and movable, thereby facilitating the opening and closing of the whole measuring beam. The measurement is convenient, and the flexibility is good in the measurement process.
The base plate is used for fixing the measuring beam and the upper platform structure model, the measuring beam is fixed on the central axis position of the base plate through the reinforcing rib plate, and the base plate can be provided with the observation hole according to needs, so that the weight is reduced, and meanwhile, a tester can conveniently observe the inside of the upright column.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1.
FIG. 4 is a schematic diagram of a cross section of a measuring beam and the arrangement of strain gauges according to the present invention.
Fig. 5 is a schematic structural view of the base plate of the present invention.
Fig. 6 is a top view of fig. 5.
Wherein: 1. a measuring beam; 2. a strain gauge; 3. a base plate; 4. bolt holes; 5. a hinge mechanism; 6. an observation hole; 7. a lower float bowl; 8. a middle upright post; 9. an upper platform structure; 10. and a reinforcing rib plate.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2, 3, 4, 5 and 6, the inverted-buckle hinged movable measuring beam device for the wave load test of the ocean platform of the present embodiment includes a plurality of lower pontoons 7 arranged at intervals, an upper platform structure 9 is installed on the upper surface of each lower pontoon 7 through a middle upright post 8, each upper platform structure 9 is located at the same plane position, a pit is formed on each upper platform structure 9, a base plate 3 is installed in the pit, and the upper surface of the base plate 3 is flush with the upper surface of the upper platform structure 9; the structure of the base plate 3 is: open on base plate 3 and have a plurality of observation holes 6, the hinge mechanism 5 is installed to the one end bottom surface of base plate 3, the other end is opened there is bolt hole 4, measuring beam 1 is installed through reinforcing floor 10 in the bottom surface middle part position of base plate 3, measuring beam 1 transversely passes in a plurality of upper portion platform structure 9, the hinge mechanism 5 of base plate 3 will measure roof beam 1 and be connected with upper portion platform structure 9, 4 departments of bolt hole of base plate 3 will measure roof beam 1 and be connected with upper portion platform structure 9 through the bolt.
The cross section of the measuring beam 1 is in a circular structure, and strain gauges 2 are adhered to the upper surface and the lower surface of the measuring beam.
The measuring beam 1 is a metal beam.
The viewing aperture 6 is of circular or square configuration.
The observation holes 6 are distributed at four corners of the base plate 3.
In the actual working process:
the ocean platform generally comprises a lower buoy 7, a middle upright post 8 and an upper platform structure 9, specific section parameters of a measuring beam 1 are determined according to requirements of section inertia moment of the ocean platform and are used as a basis for selecting the measuring beam 1, measured measuring section positions are accurately positioned according to the sectional measuring section positions of a sectional model, strain gauges 2 are adhered to the upper surface and the lower surface of the measuring beam, the measuring beam 1 and a connecting base plate 3 are fixed through a reinforcing rib plate 10, and observation holes 6 can be processed on the connecting base plate 3 as required, so that the weight of the whole base device is reduced, and dynamic observation of testers in the upright posts is facilitated. After the whole measuring beam 1 device is assembled, the segmented model of the ocean platform is placed according to a set interval, the measuring beam 1 and the upper platform structure 9 are connected through the hinge mechanism 5 on the measuring device base plate 3, the measuring beam base plate 3 is horizontally placed after the connection is finished, and bolts penetrate through the bolt holes 4 in the measuring beam 1 to be fixed with the upper platform structure 9. At platform model debugging stage in earlier stage, if need put into or take out the inside ballast piece of stand, only need unclamp behind the bolt and lift measuring beam 1's base plate 3 and operate, and need not disassemble whole measuring beam system, shortened operating time greatly, improved the operating efficiency. In the experimental test stage, the inside of the stand column is dynamically observed through the observation hole 6 on the base plate 3, and the operation is repeated after the problem is found, so that the whole model is not required to be disassembled and checked.
Aiming at the special configuration characteristics of the ocean platform, the traditional ship section wave load measuring beam device is improved, the upper platform structure 9 and the measuring beam 1 are connected by utilizing the inverted buckle type base plate 3, and the upper platform structure and the measuring beam are fixed by adopting the bolt holes 4 and the hinge mechanism 5 at the same time, so that the ballast can be conveniently and rapidly taken and placed in the debugging stage of the platform model and the dynamic observation of the interior of the upright post in the testing stage. Simple structure, convenient operation provides a feasible, efficient measuring device for platform section wave load test.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (5)
1. The utility model provides an ocean platform wave load is experimental with articulated movable measuring beam device of back-off which characterized in that: the floating structure comprises a plurality of lower floating barrels (7) which are arranged at intervals, wherein an upper platform structure (9) is arranged on the upper surface of each lower floating barrel (7) through a middle upright post (8), each upper platform structure (9) is positioned on the same plane, a pit is formed in each upper platform structure (9), a base plate (3) is arranged in each pit, and the upper surface of each base plate (3) is flush with the upper surface of each upper platform structure (9); the structure of the base plate (3) is as follows: the utility model discloses a measuring device, including base plate (3), measuring beam (1), hinge mechanism (5) are installed to the one end bottom surface of base plate (3), and the other end is opened there is bolt hole (4), the bottom surface middle part position of base plate (3) is installed through reinforcing floor (10) and is measured roof beam (1), measure in roof beam (1) the traversing a plurality of upper portion platform structures (9), the hinge mechanism (5) of base plate (3) will be measured roof beam (1) and be connected with upper portion platform structure (9), bolt hole (4) department of base plate (3) will be measured roof beam (1) and be connected with upper portion platform structure (9) through the bolt.
2. The inverted articulated movable measuring beam device for the wave load test of the ocean platform according to claim 1, which is characterized in that: the cross section of the measuring beam (1) is of a circular structure, and strain gauges (2) are adhered to the upper surface and the lower surface of the measuring beam.
3. The inverted articulated movable measuring beam device for the wave load test of the ocean platform according to claim 1, which is characterized in that: the measuring beam (1) is a metal beam.
4. The inverted articulated movable measuring beam device for the wave load test of the ocean platform according to claim 1, which is characterized in that: the observation holes (6) are in a circular structure or a square structure.
5. The inverted articulated movable measuring beam device for the wave load test of the ocean platform according to claim 1, which is characterized in that: the observation holes (6) are distributed at four corners of the base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080065.6A CN109141815B (en) | 2018-09-17 | 2018-09-17 | Inverted-buckle hinged movable measuring beam device for ocean platform wave load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080065.6A CN109141815B (en) | 2018-09-17 | 2018-09-17 | Inverted-buckle hinged movable measuring beam device for ocean platform wave load test |
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| Publication Number | Publication Date |
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| CN109141815A CN109141815A (en) | 2019-01-04 |
| CN109141815B true CN109141815B (en) | 2020-02-07 |
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| CN201811080065.6A Active CN109141815B (en) | 2018-09-17 | 2018-09-17 | Inverted-buckle hinged movable measuring beam device for ocean platform wave load test |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380640B (en) * | 2020-04-23 | 2021-08-10 | 中国船舶科学研究中心 | Combined measuring device capable of switching bending moment and connecting load |
| CN114184495B (en) * | 2021-12-09 | 2024-01-26 | 中国船舶科学研究中心 | Ship equivalent Liang Lingmin degree coefficient calibration fixing device and determination method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532836A (en) * | 2009-04-23 | 2009-09-16 | 中国海洋石油总公司 | Environmental loading measuring device of ocean engineering model and use method thereof |
| CN103033314A (en) * | 2012-12-24 | 2013-04-10 | 中国船舶重工集团公司第七○二研究所 | Torsion calibration device and method for measurement beam used for ship model wave load test |
| CN103231782A (en) * | 2013-04-25 | 2013-08-07 | 大连船舶重工集团有限公司 | Semi-submersible platform with horizontally downward floating body |
| CN103743540A (en) * | 2014-01-02 | 2014-04-23 | 哈尔滨工程大学 | Sectional wave load testing model for air cushion vehicle |
-
2018
- 2018-09-17 CN CN201811080065.6A patent/CN109141815B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532836A (en) * | 2009-04-23 | 2009-09-16 | 中国海洋石油总公司 | Environmental loading measuring device of ocean engineering model and use method thereof |
| CN103033314A (en) * | 2012-12-24 | 2013-04-10 | 中国船舶重工集团公司第七○二研究所 | Torsion calibration device and method for measurement beam used for ship model wave load test |
| CN103231782A (en) * | 2013-04-25 | 2013-08-07 | 大连船舶重工集团有限公司 | Semi-submersible platform with horizontally downward floating body |
| CN103743540A (en) * | 2014-01-02 | 2014-04-23 | 哈尔滨工程大学 | Sectional wave load testing model for air cushion vehicle |
Non-Patent Citations (2)
| Title |
|---|
| Experimental validation of network modeling method on a three-modular floating platform model;Q.J. Shi等;《Coastal Engineering》;20180411;第92-102页 * |
| Hydroelastic analysis and model tests of a single module VLFS deployed near islands and reefs;Jun Ding等;《Ocean Engineering》;20170905;第224-234页 * |
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| CN109141815A (en) | 2019-01-04 |
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