CN109204726B - A kind of circular ring shape panel framing system with distributed rigidity - Google Patents
A kind of circular ring shape panel framing system with distributed rigidity Download PDFInfo
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- CN109204726B CN109204726B CN201811357401.7A CN201811357401A CN109204726B CN 109204726 B CN109204726 B CN 109204726B CN 201811357401 A CN201811357401 A CN 201811357401A CN 109204726 B CN109204726 B CN 109204726B
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- ring shape
- circular ring
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- framing system
- rib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of circular ring shape panel framing system with distributed rigidity, is related to deep-sea carrying platform field of structural design, comprising: the first rib cage web and circular ring shape rib cage panel being fixedly connected；The section of the circular ring shape rib cage panel is circular ring shape, offers discharge orifice on the circular ring shape rib cage panel；The circular ring shape rib cage panel is circumferentially divided into the segmentation of predetermined quantity along pressure hull, and each annulus that is segmented uses identical outer diameter, and by successively docking and standing from beginning to end with the first rib cage web group, welding forms complete frame ring.By circular ring shape panel framing system by the connection between each main structure by rigid conversion be elasticity, have stronger displacement compensation capability, the compatibility of deformation problem of deep-sea multiple hull construction can be efficiently solved.
Description
Technical field
The present invention relates to deep-sea carrying platform field of structural design, especially a kind of circular ring shape face with distributed rigidity
Rib of slab bone structure.
Background technique
In order to overcome the huge seawater pressure in deep-sea, large-scale deep-sea carrying platform mostly uses cylindrical shell as the pressure resistance of its main body
Structure generallys use the T-type rib cage being made of web and panel and is reinforced for the stability for improving pressure hull.For not
Same depth of implements and carrying capacity demand, can be used single resistance to laminate or how resistance to laminate composite structure form, good in order to be formed
Hydrodynamic(al) force outer form, one layer of non-pressure hull need to be also coated outside pressure hull.It is between more pressure hulls and internal pressure-resistant
It is generally connected by the way that fixing mechanism is arranged in rib cage plane between shell and external non-pressure hull, it is common to be connected
Structure includes floor, supporting plate, pillar etc., and the both ends of fixing mechanism are respectively welded on the rib cage panel of two sides main structure, from
And it is whole that each section main structure is connected into a rigidity.
Under deep-marine-environment, the vertical and horizontal of pressure-resistance structure can all generate very big compressive deformation, due to each section master
Rigid connection form is all made of between body structure, the deformation of each pressure hull will receive the larger shadow of other pressure hull structures
It rings, and these structures are different to pressure hull supporting role power circumferentially in all directions, and the pressure hull can be made circumferentially to produce
Raw non-uniform radial deformation, the big position of support stiffness, radial deformation is smaller, the small position of support stiffness, radial deformation compared with
Greatly, to form the compatibility of deformation problem of how resistance to laminate composite structure.Compatibility of deformation problem between shell will cause structural stress
What is be distributed is uneven, easily causes stress raisers, to cut down the ultimate bearing capacity of pressure hull, influences platform structure
Safety, meanwhile, compatibility of deformation problem bring malformation uneven distribution also can installation to plateform system equipment with
Operation impacts, and reduces the working performance of platform.
Summary of the invention
The present invention regarding to the issue above and technical need, proposes a kind of circular ring shape panel rib cage with distributed rigidity
Structure.
Technical scheme is as follows:
A kind of circular ring shape panel framing system with distributed rigidity, comprising: the first rib cage web for being fixedly connected and
Circular ring shape rib cage panel；The section of the circular ring shape rib cage panel is circular ring shape, offers stream on the circular ring shape rib cage panel
Water hole；
The circular ring shape rib cage panel is circumferentially divided into the segmentation of predetermined quantity along pressure hull, and each annulus that is segmented uses phase
Same outer diameter, by successively docking and standing from beginning to end with the first rib cage web group, welding forms complete frame ring.
Its further technical solution are as follows: applied to include two pressure hulls arranged side by side how resistance to laminate construction in, two
The external of a pressure hull coats one layer of non-pressure hull, and the pressure hull is all made of framing system and is reinforced, institute
Stating framing system includes the circular ring shape panel framing system and rectangular panel framing system；The rectangular panel framing system packet
Include the second rib web being fixedly connected and rectangle rib cage panel；
The frame that is connected is set every the rib position of predetermined gear number, the connected frame is used for two pressure hulls, institute
Pressure hull is stated to link into an integrated entity with the non-pressure hull；
The framing system of rib position uses the circular ring shape panel framing system, the rib of remaining rib position where the connected frame
Bone structure uses the rectangular panel framing system.
Its further technical solution are as follows: rib position is by the circular ring shape rib cage panel along described resistance to where the connected frame
Pressure shell body is circumferentially divided into the segmentation of predetermined quantity, and the result that the wall thickness of each segmentation is calculated according to structural strength and deformation is true
It is fixed, so that the pressure hull circumferentially generates uniform radial deformation.
Its further technical solution are as follows: arbitrary neighborhood two are segmented, the biggish segmentation inner surface of wall thickness is cut
Tiltedly processing so that the end of the biggish segmentation of wall thickness be thinned to the identical thickness of the lesser segmentation of wall thickness, cut tiltedly that treated
Segmentation is together with the lesser segmented welding of wall thickness.
Its further technical solution are as follows: applied to include a pressure hull the resistance to laminate construction of list in, the pressure resistance
The external of shell coats one layer of non-pressure hull, and the pressure hull is reinforced using the circular ring shape panel framing system,
Fill damping material in the inside of the circular ring shape rib cage panel；
The pressure hull and the non-pressure hull are linked into an integrated entity by fixing mechanism, and the fixing mechanism includes at least
Floor, pillar and supporting plate.
Its further technical solution are as follows: the fixing mechanism of watertight rib position uses the floor, and non-watertight rib position is connected
Structure uses the pillar and the supporting plate；
Watertight rib position and the non-watertight rib position circumferentially draw the circular ring shape rib cage panel along the pressure hull
It is divided into the segmentation of predetermined quantity, the wall thickness being respectively segmented is determined according to the result of structural strength, deformation and vibro-acoustic analysis.
The method have the benefit that:
1, by circular ring shape panel framing system by the connection between each main structure by rigid conversion be elasticity, have compared with
Strong displacement compensation capability can efficiently solve the compatibility of deformation problem of deep-sea multiple hull construction.
2, circular ring shape panel framing system has good vibration isolation ability, can be effectively prevented or reduce vibration energy
The transmitting between internal pressure hull and external non-pressure hull is measured, the acoustic radiation for reducing platform structure is horizontal, reaches vibration damping
The purpose of noise reduction.
3, circular ring shape panel framing system have excellent designability, can for different location bit shift compensation and subtract every
Vibration demand carries out differentiation design to rib cage rigidity, and pressure hull is made circumferentially to have had the distribution being adapted with external constraint just
Degree.
4, circular ring shape panel framing system form is simply clear, and production easy to process is with a wide range of applications.
Detailed description of the invention
Fig. 1 is the signal of the circular ring shape panel framing system with distributed rigidity provided by one embodiment of the present invention
Figure.
Fig. 2 is the schematic diagram of how resistance to laminate construction provided by one embodiment of the present invention.
Fig. 3 is the schematic diagram of rectangular panel framing system provided by one embodiment of the present invention.
Fig. 4 is location A partial enlarged view in Fig. 2.
Fig. 5 is B-B sectional view in Fig. 2.
Fig. 6 is location of C partial enlarged view in Fig. 5.
Fig. 7 is the schematic diagram of the resistance to laminate construction of list provided by one embodiment of the present invention.
Fig. 8 is D-D sectional view in Fig. 7.
Fig. 9 is E-E sectional view in Fig. 7.
Specific embodiment
The following further describes the specific embodiments of the present invention with reference to the drawings.
On the one hand fixing mechanism is played in connection with the inside pressure hull and external non-pressure hull of platform in inside and outside bilayer
The effect of load and deformation is transmitted between shell, is on the other hand also that platform interior vibrates the master transmitted to external non-pressure hull
Approach is wanted, therefore the design of fixing mechanism plays a key role the acoustic emanation level of platform.It is lacked in the prior art
It falls into, the embodiment of the present invention proposes a kind of circular ring shape panel framing system with distributed rigidity, since pressure-resistant rib panel is
The installation foundation of deep-sea platform fixing mechanism, by the present invention apply in the design of fixing mechanism, may be implemented fixing mechanism by
Conversion of the rigidity to elasticity solves platform structure to eliminate or mitigate the mutual limitation and restriction between each main structure
Compatibility of deformation problem.
Fig. 1 is the signal of the circular ring shape panel framing system with distributed rigidity provided by one embodiment of the present invention
Figure, as shown in Figure 1, the circular ring shape panel framing system includes: the first rib cage web 1 and circular ring shape rib cage panel being fixedly connected
2。
The section of circular ring shape rib cage panel 2 is circular ring shape, offers discharge orifice on circular ring shape rib cage panel 2, makes interior off-lying sea
Water connection.Circular ring shape rib cage panel 2 is circumferentially divided into the segmentation of predetermined quantity along pressure hull, and each annulus that is segmented is using identical
Outer diameter, by successively docking and standing from beginning to end with 1 group of the first rib cage web, welding forms complete frame ring.
Integrated use theory and numerical method carry out intensity and deformation calculating to platform structure, circumferentially with pressure-resistance structure
Distributing homogeneity is deformed as optimization aim, the support stiffness of each segmentation anchor ring plate is optimized, is tied according to calculating
Fruit determines the wall thickness of annular segments, forms a kind of framing system with circumferentially distributed formula rigidity.Circular ring shape panel framing system
Circumferentially there is the elastic stiffness being adapted with external structure along pressure hull, the uneven radial deformation of pressure hull can be carried out
Bit shift compensation avoids stress concentration phenomenon, to solve more bodies to eliminate or mitigate the uneven distribution of pressure hull stress
The compatibility of deformation problem of structure.
Further, when carrying out intensity and deformation calculating to platform structure, the synchronous vibration transmitting for carrying out platform structure
With Acoustic Radiation Characteristic, rank is transmitted for the vibrational energy of each segmentation anchor ring plate position, optimizes this section of anchor ring
The support stiffness of plate, and damping material is filled inside annulus, transmitting of the vibrational energy between the platform side of a ship is obstructed, a kind of tool is formed
Have circumferentially distributed formula rigidity subtracts vibration isolation framing system.
In a kind of possible realization, circular ring shape panel framing system shown in FIG. 1 is applied to include two arranged side by side
In the how resistance to laminate construction of pressure hull, in conjunction with reference Fig. 2, two the external of pressure hull 6 coat one layer of non-pressure hull 7,
Pressure hull 6 is all made of framing system and is reinforced, and framing system includes circular ring shape panel framing system and Fig. 3 shown in FIG. 1
Shown in rectangular panel framing system.In conjunction with reference Fig. 3, rectangular panel framing system includes the second rib web being fixedly connected
5 and rectangle rib cage panel 4, the section of rectangle rib cage panel 4 is rectangle.
In conjunction with reference Fig. 2 and Fig. 4, the frame 3 that is connected is set every the rib position of predetermined gear number, the frame 3 that is connected is used for two
Pressure hull 6, pressure hull 6 and non-pressure hull 7 link into an integrated entity.The framing system of connected 3 place rib position of frame is using circle
The framing system of annular surface rib of slab bone structure, remaining rib position uses rectangular panel framing system.
Connected 3 place rib position of frame is by circular ring shape rib cage panel 2 along circumferential point for being divided into predetermined quantity of pressure hull 6
The wall thickness of section, each segmentation is determined according to the result that structural strength and deformation calculate, so that pressure hull 6 circumferentially generates
Even radial deformation.Fig. 5 is the B-B sectional view of Fig. 2, as shown in figure 5, illustratively, circular ring shape rib cage panel 2 is along pressure hull
6 it is circumferential be divided into eight segmentations, be respectively the first segmentation 201, second segmentation 202, third segmentation the 203, the 4th be segmented 204, the
The 207, the 8th segmentation 208 of the 206, the 7th segmentation of the 205, the 6th segmentation of five segmentations.By taking Fig. 5 as an example, wherein the pneumatic shell by left side
Body 6 influences maximum, displacement constraint the strongest 7th and is segmented 207 wall thickness minimum, remaining is segmented the different selections of power according to constraint
Wall thickness appropriate finally makes the pressure hull 6 on right side circumferentially generate uniform radial deformation.In practical applications, annulus
The circumferentially segmented number of shape rib cage panel 2 is not limited to eight sections, can be according to the quantity of how resistance to laminate, size, layout and connected frame
Design conditions be increased and decreased, final purpose is to decouple the deformation between each pressure hull, solve the problems, such as compatibility of deformation, ensure
The safety of pressure-resistance structure.
Optionally, arbitrary neighborhood two are segmented, the biggish segmentation inner surface of wall thickness carries out cutting oblique processing, so that wall thickness
The end of biggish segmentation be thinned to the identical thickness of the lesser segmentation of wall thickness, cutting that tiltedly treated, segmentation is lesser with wall thickness
Segmented welding is together.In conjunction with reference Fig. 6, by taking the second segmentation 202 and third segmentation 203 as an example, in the second segmentation 202 and third
When segmentation 203 is docked, 203 inner surfaces are segmented to the biggish third of wall thickness and carry out cutting oblique processing, makes the end of third segmentation 203
Portion is thinned to and is segmented 202 identical thickness with second, then carries out butt welding to the second segmentation 202 and third segmentation 203, remaining
Connection between segmentation uses identical processing mode.
In alternatively possible realization, circular ring shape panel framing system shown in FIG. 1 is applied to include a pressure resistance
In the resistance to laminate construction of the list of shell, in conjunction with reference Fig. 7, the external of pressure hull 6 coats one layer of non-pressure hull 7, pressure hull 6
Reinforced using circular ring shape panel framing system, damping material 8 is filled in the inside of circular ring shape rib cage panel 2.
Pressure hull 6 and non-pressure hull 7 are linked into an integrated entity by fixing mechanism, in conjunction with reference Fig. 8 and Fig. 9, fixing mechanism
Including at least floor 9, pillar 10 and supporting plate 11.As shown in figure 8, the fixing mechanism of watertight rib position uses floor 9, as shown in figure 9,
The fixing mechanism of non-watertight rib position uses pillar 10 and supporting plate 11.
Optionally, circular ring shape rib cage panel 2 is circumferentially divided into predetermined by watertight rib position and non-watertight rib position along pressure hull 6
The segmentation of quantity, the wall thickness being respectively segmented are determined according to the result of structural strength, deformation and vibro-acoustic analysis.Fig. 8 is referred to, it is exemplary
, circular ring shape rib cage panel 2 is circumferentially divided into eight segmentations, respectively first the 201, second segmentation of segmentation along pressure hull 6
202, the 206, the 7th segmentation 207 of the 205, the 6th segmentation of the 204, the 5th segmentation of the 203, the 4th segmentation of third segmentation and the 8th segmentation 208.
Above-described is only preferred embodiments of the invention, and present invention is not limited to the above embodiments.It is appreciated that this
The other improvements and change that field technical staff directly exports or associates without departing from the spirit and concept in the present invention
Change, is considered as being included within protection scope of the present invention.
Claims (4)
1. a kind of circular ring shape panel framing system with distributed rigidity characterized by comprising the first rib being fixedly connected
Bone web and circular ring shape rib cage panel；The section of the circular ring shape rib cage panel is circular ring shape, on the circular ring shape rib cage panel
Offer discharge orifice；The circular ring shape rib cage panel is circumferentially divided into the segmentation of predetermined quantity along pressure hull, is respectively segmented annulus
Using identical outer diameter, by successively docking and standing from beginning to end with the first rib cage web group, welding forms complete frame ring；
Applied in the how resistance to laminate construction including two pressure hulls arranged side by side, two the external of the pressure hulls coat one
The non-pressure hull of layer, the pressure hull are all made of framing system and are reinforced, and the framing system includes the circular ring shape face
Rib of slab bone structure and rectangular panel framing system；The rectangular panel framing system include the second rib web that is fixedly connected and
Rectangle rib cage panel；
The frame that is connected is set every the rib position of predetermined gear number, the connected frame is used for two pressure hulls, described resistance to
Pressure shell body links into an integrated entity with the non-pressure hull；
The framing system of rib position uses the circular ring shape panel framing system, the rib cage knot of remaining rib position where the connected frame
Structure uses the rectangular panel framing system；
The circular ring shape rib cage panel is circumferentially divided into predetermined quantity along the pressure hull by rib position where the connected frame
Segmentation, the wall thickness of each segmentation is determined according to the result that structural strength and deformation calculate, so that the pressure hull is along week
To the uniform radial deformation of generation.
2. the circular ring shape panel framing system with distributed rigidity according to claim 1, which is characterized in that for appointing
It anticipates two neighboring segmentation, the biggish segmentation inner surface of wall thickness carries out cutting oblique processing, so that the end of the biggish segmentation of wall thickness is thinned
To with the identical thickness of the lesser segmentation of wall thickness, segmentation of cutting that tiltedly treated is together with the lesser segmented welding of wall thickness.
3. the circular ring shape panel framing system with distributed rigidity according to claim 1, which is characterized in that be applied to
In the resistance to laminate construction of list including a pressure hull, one layer of non-pressure hull of external cladding of the pressure hull is described resistance to
Pressure shell body is reinforced using the circular ring shape panel framing system, the inside filling damping material of the circular ring shape rib cage panel
Material；
The pressure hull and the non-pressure hull are linked into an integrated entity by fixing mechanism, and the fixing mechanism includes at least rib
Plate, pillar and supporting plate.
4. the circular ring shape panel framing system with distributed rigidity according to claim 3, which is characterized in that watertight rib
The fixing mechanism of position uses the floor, and the fixing mechanism of non-watertight rib position uses the pillar and the supporting plate；
The circular ring shape rib cage panel is circumferentially divided by watertight rib position and the non-watertight rib position along the pressure hull
The segmentation of predetermined quantity, the wall thickness being respectively segmented are determined according to the result of structural strength, deformation and vibro-acoustic analysis.
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| CN201811357401.7A CN109204726B (en) | 2018-11-15 | 2018-11-15 | A kind of circular ring shape panel framing system with distributed rigidity |
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| CN201811357401.7A CN109204726B (en) | 2018-11-15 | 2018-11-15 | A kind of circular ring shape panel framing system with distributed rigidity |
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| CN110271639B (en) * | 2019-06-21 | 2020-07-07 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device and mounting method thereof |
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| US7475651B1 (en) * | 2007-07-31 | 2009-01-13 | The United States Of America As Represented By The Secretary Of The Navy | Structural section |
| CN101712107B (en) * | 2009-11-10 | 2012-05-30 | 中国船舶重工集团公司第七〇二研究所 | Manufacture device of T-shaped rib in pressure structure model |
| CN103010406A (en) * | 2012-12-25 | 2013-04-03 | 广新海事重工股份有限公司 | Stern rotary drum |
| KR101448948B1 (en) * | 2014-01-16 | 2014-10-13 | 주식회사 블루오션테크 | The bracket for connecting flotage and landing stage using of it |
| CN108087401A (en) * | 2017-11-29 | 2018-05-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of resistance to laminate of deep-sea platform and frame jointing |
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