CN107894329A - The flexible connection experimental rig and principle of Very large floating structure based on anti-torsion mechanism - Google Patents
The flexible connection experimental rig and principle of Very large floating structure based on anti-torsion mechanism Download PDFInfo
- Publication number
- CN107894329A CN107894329A CN201711041181.2A CN201711041181A CN107894329A CN 107894329 A CN107894329 A CN 107894329A CN 201711041181 A CN201711041181 A CN 201711041181A CN 107894329 A CN107894329 A CN 107894329A
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- Prior art keywords
- floating structure
- torsion
- torsion mechanism
- flexible connection
- large floating
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- 238000007667 floating Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 title claims description 43
- 238000013016 damping Methods 0.000 claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims description 16
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses the flexible connection experimental rig and principle of the Very large floating structure based on torsion spring, including pedestal, torsion spring, damping unit, attaching nut and adjusting washer (disk), the quantity of the pedestal is two, and two pedestals are set in parallel in both sides up and down；Some symmetrical perforation are respectively equipped with each pedestal, some torsion springs and some damping units place adjusting washer (disk) respectively by perforated vertical between two pedestals in perforation.The end of the torsion spring is fixed on two pedestals up and down by attaching nut respectively with pedestal, the end of damping unit and pedestal, and a torsion spring and a damping unit are one group, altogether provided with some groups.The present invention is simple in construction, it is easy to maintain, the type and number that torsion spring and damping unit can be adjusted flexibly according to being actually needed simultaneously, to reach the purpose that can freely adjust rigidity and damping, it more can flexibly and effectively limit the relative motion between two independent floating structure modules.
Description
Technical field
The present invention relates to a kind of device of field of ocean engineering, is related specifically to a kind of super large based on anti-torsion mechanism
The flexible connection experimental rig and principle of type floating body.
Background technology
For Very large floating structure due to enormous size, purposes is different, from safeguarding and using angle, its structure necessarily module
Change.In the marine environment of complexity, Very large floating structure bears huge wind load and seaway load, the elastic deformation of connector
Greatly, therefore connector performance is just particularly important between module, the peace of the switching performance of connector for Very large floating structure
Full property and stability have significant impact.
In order to accurately obtain the mass motion response performance by multiple modules using the Very large floating structure of connector connection, remove
Outside development substantial amounts of numerical computations, the means for generally requiring model test are verified.Very large floating structure used at present
The attachment means of intermodule are substantially determined various parameters and added on this basis by a large amount of numerical simulations before experiment
Work manufacture.But in actual use, it is difficult to be tried according to model the parameter (rigidity and damping) of these attachment means
The requirement tested adjusts accordingly, thus is difficult to reach preferable test effect.
The content of the invention
It is an object of the invention to for deficiency of the prior art, there is provided the Very large floating structure based on anti-torsion mechanism it is soft
Property joint test device and principle, to solve problems of the prior art.
Technical problem solved by the invention can be realized using following technical scheme：
The flexible connection experimental rig of Very large floating structure based on anti-torsion mechanism, including pedestal, anti-torsion mechanism, attaching nut
And adjusting washer (disk), the pedestal are rectangular flat, quantity is two, and two pedestals are set in parallel in both sides up and down.It is described anti-
Mechanism is turned round by perforated vertical between two pedestals, and is provided with some groups of anti-torsion mechanisms, interior placement adjusting washer (disk) of perforating.Institute
The both ends for stating anti-torsion mechanism are fixed on two pedestals by attaching nut, and anti-torsion mechanism includes torsion spring and damping unit.
Further, the inwall non-threaded of the perforation, and two perforation are one group, altogether provided with some groups, one group
Have closely-spaced between two perforation, have large-spacing between every group of perforation, and every group of perforation of upper and lower two pedestals is symmetrical arranged.
Further, screw thread is carved with the end at the both ends of the torsion spring and damping unit, the antitorque bullet in every group
Spring is located at the same side of damping unit.
Further, each damping unit is using hydraulic damper, air-pressure damping device or the damping of two-way cylinder piston
Device.
Several are based on anti-torsion mechanism by the principle of the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism
The flexible connection experimental rig of Very large floating structure be connected between the device of two independent Very large floating structures experiments.The use
In the torsion spring of resist torque and moment of torsion and damping unit for buffering tension and compression stress, hinder and limitation two is independent
Relative motion between floating structure module.
Before simulated test is carried out, the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism needs to pass through survey
Measure its anti-tensile, compressive, bending, turn round rigidity, with confirm choose torsion spring type and number, and confirm damping unit type and
Number, so as to meet simulated test for connector rigidity and the requirement of damping.The anti-torsion mechanism shares six groups, including six
Torsion spring and six damping units, pedestal are two, are perforated as 12 groups, totally two ten four holes；The anti-torsion mechanism is two
Six groups are assigned between individual pedestal by some perforation respectively.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention it is simple in construction, be easy to maintain, at the same the type that torsion spring can be adjusted flexibly according to being actually needed with
Number, and the type and number of damping unit, can freely adjust its rigidity and damping parameter, conform better to model test
It is required that therefore can the more flexible and effectively relative motion between two independent floating structure modules of limitation.
This advantage can be used for handling the situation that rigidity is different between multiple Very large floating structure modules and module, and this
Situation has greater probability appearance in actual sea situation.In addition, the research for Very large floating structure connector play it is important
Booster action, numerical result can be verified by flexible model test, guidance is provided for practical implementation.
Brief description of the drawings
Fig. 1 is the front view of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism.
Fig. 2 is the left view of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism.
Fig. 3 is the right view of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism.
Fig. 4 is the top view of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism.
Fig. 5 is the simulated test of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism
Design sketch.
Fig. 6 is the operation principle of the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism
Figure.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Referring to Fig. 1 to Fig. 6, the flexible connection experimental rig of the Very large floating structure of the present invention based on anti-torsion mechanism,
Including pedestal 1, anti-torsion mechanism, attaching nut 4 and adjusting washer (disk) 5, the pedestal 1 is rectangular flat, and quantity is two, and two
Pedestal 1 is set in parallel in both sides up and down.Between the anti-torsion mechanism is vertical at two pedestals 1 by perforation 6, and provided with some
Group anti-torsion mechanism, interior placement adjusting washer (disk) of perforating.Two pedestals 1 are fixed in the both ends of the anti-torsion mechanism by attaching nut 4
On, anti-torsion mechanism includes torsion spring 2 and damping unit 3.
Non-threaded on the inwall of the perforation 6, can pass freely through torsion spring 2 and damping unit 3, and two perforation 6
It is closely-spaced provided with having between two in some groups, one group perforation 6 altogether for one group, there is large-spacing between every group of perforation 6, and on
Every group of perforation 6 of lower two pedestals 1 is symmetrical arranged.
Screw thread is carved with the end at the both ends of the torsion spring 2 and damping unit 3, and the torsion spring 2 in every group is all provided with
In the same side of damping unit 3.
Each damping unit 3 is using hydraulic damper, air-pressure damping device or two-way cylinder piston damper, Ke Yiling
Various damping sizes must be provided by living.
Several are based on anti-torsion mechanism by the principle of the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism
The flexible connection experimental rig of Very large floating structure be connected between the device of two independent Very large floating structures experiments.It is described anti-
Torsion spring 2 is used for resist torque and moment of torsion, and damping unit 3 is used to buffer tension and compression stress, hinders and limits two independent floating
Relative motion between works module.
When Very large floating structure is then had relatively close or remote in Motion Waves, each module by wave force difference
From etc. trend.Attachment means limit the relative motion of module by left and right pedestal and middle torsion spring 2, damping unit 3.
When module has trend that is close or being rapidly directed away from, the apparatus with shock absorbing of damping unit 3, its relative motion speed is reduced rapidly
Degree, avoid the occurrence of collision accident or module separation accident.When having relative rolling trend between module, torsion spring 2 is then
Deform, produce very big moment of torsion and resist this deformation.Therefore, the connector course of work, torsion spring 2 itself is constantly passed through
Deformation acting, damper absorb energy, shock absorbing load, it is relative between Very large floating structure adjacent block to reduce with this
Movement tendency.
Before simulated test is carried out, the present invention needs the rigidity by measuring its anti-tensile, compressive, bending, turning round, anti-to confirm to choose
The type and number of torsion spring 2, and confirm the type and number of damping unit 3, so as to meet the requirement of simulated test, the dress
Put and use the anti-oxidant and preferable material of rotproofness to adapt to the adverse consequences that the environmental factor such as immersion is brought in water.According to
The requirement of this simulated test, the torsion spring 2 are respectively six with damping unit 3, and pedestal 1 is two, and perforation 6 is 12
Group, totally two ten four holes；The anti-torsion mechanism assigns six between two pedestals 1 by some perforation 6.
In the present invention, feature that the requirement of the ultimate bearing capacity of described joint test device can be according to super large floating body, mould
Type tests scaling factor and real work, existence sea situation are selected, and can also typically be determined by numerical computations.For example, for
A certain displacement has adopted 5 meters of wave height, can drawn by numerical computations up to 100,000 tons of single module Very large floating structure, existence sea situation
Connector axial load maximum is up to 50,000 tons, and model scale ratio elects 1/100 as, and the equivalent model dimension joint test device that arrives needs
50 kilograms of axial force can be carried, needs to consider this requirement in actual design manufacture device.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improve and both fall within this claimed real invention scope.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (5)
1. the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism, it is characterised in that：Including pedestal, antitorque machine
Structure, attaching nut and adjusting washer (disk), the pedestal are rectangular flat, and quantity is two, and two pedestals are set in parallel in up and down
Both sides, pedestal are perforated provided with several；The anti-torsion mechanism by perforated vertical between two pedestals, and provided with some
Group anti-torsion mechanism, interior placement adjusting washer (disk) of perforating；The both ends of the anti-torsion mechanism are fixed on two pedestals by attaching nut,
Anti-torsion mechanism includes torsion spring and damping unit.
2. the flexible connection experimental rig of the Very large floating structure according to claim 1 based on anti-torsion mechanism, its feature exist
In：The inwall non-threaded of the perforation, and two perforation are one group, altogether provided with having between two in some groups, one group perforation
It is closely-spaced, there is large-spacing between every group of perforation, and every group of perforation of upper and lower two pedestals is symmetrical arranged.
3. the flexible connection experimental rig of the Very large floating structure according to claim 1 based on anti-torsion mechanism, its feature exist
In：Screw thread is carved with the end at the both ends of the torsion spring and damping unit, and the torsion spring in every group is located at damping dress
The same side put.
4. the flexible connection experimental rig of the Very large floating structure according to claim 1 based on anti-torsion mechanism, its feature exist
In：Each damping unit uses hydraulic damper, air-pressure damping device or two-way cylinder piston damper.
5. the principle of the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism, it is characterised in that：By several bases
The device of two independent Very large floating structure experiments is connected in the flexible connection experimental rig of the Very large floating structure of anti-torsion mechanism
Between；The torsion spring for being used for resist torque and moment of torsion and the damping unit for buffering tension and compression stress, hinder and limit
Make the relative motion between two independent floating structure modules；
Before simulated test is carried out, the flexible connection experimental rig of the Very large floating structure based on anti-torsion mechanism is needed by measuring it
Anti- tensile, compressive, bending, the rigidity turned round, to confirm to choose the type and number of torsion spring, and confirm the type sum of damping unit
Mesh, so as to meet simulated test for connector rigidity and the requirement of damping；The anti-torsion mechanism shares six groups, including six resist
Torsion spring and six damping units, pedestal are two, are perforated as 12 groups, totally two ten four holes；The anti-torsion mechanism is at two
Six groups are assigned between pedestal by some perforation respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041181.2A CN107894329B (en) | 2017-10-30 | 2017-10-30 | Flexible connection test device of ultra-large floating body based on torsion-resistant mechanism and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041181.2A CN107894329B (en) | 2017-10-30 | 2017-10-30 | Flexible connection test device of ultra-large floating body based on torsion-resistant mechanism and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107894329A true CN107894329A (en) | 2018-04-10 |
| CN107894329B CN107894329B (en) | 2020-02-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711041181.2A Active CN107894329B (en) | 2017-10-30 | 2017-10-30 | Flexible connection test device of ultra-large floating body based on torsion-resistant mechanism and manufacturing method |
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| CN107894329B (en) | 2020-02-04 |
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Effective date of registration: 20231226 Address after: 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Patentee after: Chongqing Research Institute of Shanghai Jiaotong University Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Patentee before: SHANGHAI JIAO TONG University |
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