CN106122470A - A kind of many planes pressure-resistance structure - Google Patents
A kind of many planes pressure-resistance structure Download PDFInfo
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- CN106122470A CN106122470A CN201610659053.3A CN201610659053A CN106122470A CN 106122470 A CN106122470 A CN 106122470A CN 201610659053 A CN201610659053 A CN 201610659053A CN 106122470 A CN106122470 A CN 106122470A
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- Prior art keywords
- many planes
- many
- shell
- pressure
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention belongs to compression-resistant structure field, more particularly, to a kind of many planes pressure-resistance structure, many planes cylinder and the many planes hemispherical Shell common combination being arranged on its two ends form；Or directly combined by two identical many planes hemispherical Shells；Described many planes hemispherical Shell is overall in spherical shell shape, its surface is spliced each other by multiple second substantially planar plates, certain plane included angle is all there is between the second substantially planar plate adjacent one another are, and in the junction of many planes hemispherical Shell Yu many planes cylinder/many planes hemispherical Shell, not with smooth curve transition between each substantially planar plate.Many planes pressure-resistance structure of the present invention is while ensureing compressive property, the mechanical characteristic of whole many plane cylinder shell structure is affected by the changeover portion reduced between cylinder and spherical shell, having that anti-pressure ability is strong, production technology simple, fabrication cycle is short, be prone to the advantages such as large-scale production.
Description
Technical field
The invention belongs to compression-resistant structure field, more particularly, to a kind of many planes pressure-resistance structure, this structure is anti-in guarantee
While pressure performance, the mechanical characteristic of whole many plane cylinder shell structure is affected by the changeover portion reduced between cylinder and spherical shell.
Background technology
For operationally needing to bear the equipment of the biggest external pressure, such as airborne vehicle, submarine, bullet etc., its
Pole-shell structure has vital impact to its compressive property.For strengthening the critical external compressive resistance ability of shell mechanism, it is generally of two
The method of kind, a kind of is the architectural characteristic thickening existing structure and strengthening self, and another kind of method is to enter existing structure
Row transformation, reaches to strengthen the purpose of structural mechanics characteristic by structural advantage.Such as, U.S. patent Nos US005711244 is public
Having opened a kind of many plane cylinder shell structure with stronger critical external compressive resistance ability, the columnar part of this structure is that plane plate is in space
On fold by some cycles and to be spliced, afterbody is ball sealing header structure, and columnar part and ball sealing head are by changeover portion even
Connect, form a similar pole-shell structure sealed.On the basis of this many plane cylinder shell structure, prior art also proposed
The reinforcement structure of some other many plane cylinder shell structure.
But, further investigations have shown that, owing to whole many planes column structure uses plane plate spatially
Folding splicing, cause column structure that transition section structure must be utilized could to be attached with spherical shell cover.In the case, as
Fruit uses the changeover portion of circular arc to splice, owing to transition section structure has the Curvature varying of complexity, so not only manufacturing
Technique sufficiently complex, but also the biggest error can be produced.On the other hand, to also result in entirety many in the existence of transition section structure
The overall mechanical characteristic of plane cylinder shell structure reduces, and anti-pressure ability declines under water.Correspondingly, this area is needed badly many plane cylinder shell
Structure is made and further being improved, and overcomes the difficulty that changeover portion is manufactured, and it can be avoided that depositing due to changeover portion
And defect that many plane cylinder shell structure overall performance of causing declines, to meet the needs of its compressive property and the mode of production.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides a kind of many planes pressure-resistance structure, wherein
By set-up mode respective to its key building block and be mutually linked the aspects such as cooperation and be designed, mutually should be able to be abundant
Utilize the Curvature varying of ball shape structure and folding change both different characteristics of many planes cylinder, spherical shell and post can be had concurrently simultaneously
The superior structural characteristic of two kinds of housings of body, and can be no longer necessary to set between cylinder and hemispherical Shell in actual manufacture process
Put changeover portion, be thus prevented effectively from degradation under the many plane cylinder shell structure overall performance caused due to the existence of changeover portion and lack
Fall into, be therefore particularly suitable for the purposes of the kind equipment of submarine, airborne vehicle or body.
For achieving the above object, it is proposed, according to the invention, provide a kind of many planes pressure-resistance structure, this many planes pressure-resistance structure by
Many planes cylinder and the many planes hemispherical Shell common combination being arranged on its two ends form, or directly by two identical many planes balls
Shell combines；
Wherein: described many planes cylinder is the polygon prism shape possessing multiple faceted pebble, and the surface of this polygon prism is by multiple knots
The first substantially planar plate that structure is identical is folded each other and is spliced, and between the first substantially planar plate adjacent one another are all
There is certain plane included angle；
Described many planes hemispherical Shell is overall in spherical shell shape, and its surface is folded each other by multiple second substantially planar plates
It is spliced, between the second substantially planar plate adjacent one another are, all there is certain plane included angle；And described many planes hemisphere
Cross sectional shape bottom shell is identical with the cross section of described many planes cylinder, thus with this many planes cylinder or another are identical many
Plane hemispherical Shell matches and is together to form complete shell structure.
It is further preferred that described many planes hemispherical Shell is by reducing post shell section and seal head section forms, described reduction post shell section
Spatially being folded by multiple described second substantially planar plates and be spliced, the structure of this second substantially planar plate is along deviating from
Many planes cylinder direction gradually changes, and the most described reduction post shell section is gradually reduced along the radius deviating from many planes cylinder direction,
And constitute many planes hemispherical Shell together with described seal head section.The many planes hemispherical Shell using said structure is connected with many planes cylinder
Need not the surface blending of complexity when connecing, use straight transitions, it is simple to install；And many planes hemispherical Shell need not song when making
Face processes, and uses plane knuckle, and manufacturing process is simpler.
It is further preferred that the seal head section of described many planes hemispherical Shell can be plane end socket, many planar cone end socket or
Umbrella cover shape end socket.The end socket using above-mentioned shape comes many planes hemispherical Shell end socket, both can simplify seal head section and reduction post shell
The Joining Technology of section, can guarantee that again the anti-pressure ability of many planes hemispherical Shell.
It is further preferred that described first substantially planar plate and the second substantially planar plate are triangle or tetragon,
It is preferably isosceles triangle or isosceles trapezoid.Isosceles triangle or isosceles trapezoid are prone to fold formed during fabrication, it is simple to a large amount of
Make and there is the plane plate of angle, and during thus obtained many plane spaces plate resistance to compression stress evenly, the pressure that can bear
Qiang Geng great.
It is further preferred that described many planes pressure-resistance structure can be one layer or multilamellar.When many plane cylinder shell structure
When compressive property requires higher, use the mode of multiple-layer stacked, it is possible to effectively strengthen many plane cylinder shell structure, improve its resistance to compression
Performance.
It is further preferred that internal layer and/or outer layer at described many planes pressure-resistance structure are provided with smooth epidermis with structure
Become sandwich.Smooth epidermis can reduce the situation that stress is concentrated, and therefore arranges table inside and outside many plane cylinder shell structure
Skin, it is possible on the premise of not increasing manufacturing difficulty, be effectively improved the pressure performance of entirety of many plane cylinder shell structure.
In general, by the contemplated above technical scheme of the present invention compared with prior art, mainly possess following excellent
Point and beneficial effect:
(1) many planes ball-type pressure-resistance structure of the present invention utilizes Curvature varying and the plane of many planes cylinder of ball shape structure
The folding change of plate is fabricated by, and has had spherical shell and the superior structural characteristic of two kinds of housings of cylinder concurrently, has reduced simultaneously and put down more
Between face column structure and end enclosure structure, the mechanical characteristic of whole many plane cylinder shell structure is affected by changeover portion, preferably plays
The anti-compression property of multi-plane structure.At manufacture view, owing to many planes hemispherical Shell needs only to plane knuckle, it is not necessary to march
Face processes, so using general squeezer to can be carried out processing, eliminates the mistake of Machining of Curved Surface compared with smooth hemispherical Shell
Journey, reduces the difficulty of production technology.When carrying out installation with many planes cylinder and being connected, many planes hemispherical Shell is substantially better than smooth
Hemispherical Shell, because during integral installation, the connection of many planes cylinder and smooth hemispherical Shell is the straight line transition to curve, needs
Want complicated surface blending, and many planes hemispherical Shell cross section that is connected with many planes cylinder/many planes hemispherical Shell is identical many
Limit shape shape, it is possible to be well attached.
(2) many planes hemispherical Shell of the present invention is by reducing post shell section and seal head section forms, and described seal head section can be flat
Face end socket, many planar cone end socket or umbrella cover shape end socket.The end socket using above-mentioned shape, to many planes hemispherical Shell end socket, both may be used
To simplify and the Joining Technology of reduction post shell section, can guarantee that again the anti-pressure ability of many planes hemispherical Shell.
(3) the substantially planar plate of described many planes hemispherical Shell is triangle or tetragon, preferably isosceles triangle or
Isosceles trapezoid.Isosceles triangle or isosceles trapezoid are prone to fold formed during fabrication, it is simple to a large amount of making have the plane of angle
Plate, and during thus obtained many plane spaces plate resistance to compression stress evenly, the pressure that can bear is bigger.
(4) many planes pressure-resistance structure of the application can be one layer or multilamellar.Crushing resistance when many planes pressure-resistance structure
When can require higher, use the mode of multiple-layer stacked, it is possible to effectively strengthen many plane cylinder shell structure, improve its compressive property.
Internal layer and/or outer layer at described many planes pressure-resistance structure are provided with smooth epidermis to constitute sandwich.Smooth epidermis
The situation that stress is concentrated can be reduced, therefore epidermis is set inside and outside many plane cylinder shell structure, it is possible to not increase production system
On the premise of making difficulty, it is effectively improved the pressure performance of entirety of many plane cylinder shell structure.
(5) eliminating changeover portion due to many plane cylinder shell structure of the design of the present invention, its production technology is compared to be had
The production technology of the pole-shell structure of the section of crossing is simple, and it can be avoided that many plane cylinder shell structure of causing due to the existence of changeover portion
The defect that overall performance declines, is particularly suited for manufacturing the strong many planes pressure-resistance structure of compressive property, also have anti-pressure ability strong,
Processing is simple, and fabrication cycle is short, be prone to the advantages such as large-scale production.
Accompanying drawing explanation
Fig. 1 (a) and 1 (b) are the simulation drawings of many plane shells of resistance to compression leg of the present invention；
Fig. 2 is the STRUCTURE DECOMPOSITION simulation drawing of many planes hemispherical Shell of the present invention；
Fig. 3 is the front view of many planes hemispherical Shell of the present invention；
Fig. 4 is many planes hemispherical Shell plane end enclosure structure schematic diagram；
Fig. 5 is the umbrella cover shape end enclosure structure schematic diagram of many planes hemispherical Shell；
Fig. 6 is many planar cone end enclosure structure schematic diagram of many planes hemispherical Shell；
Fig. 7 (a) and 7 (b) are the schematic diagrams of the substantially planar plate shape of the present invention；
Fig. 8 is the axial sectional view of many planes pressure-resistance structure with sandwich of the present invention；
Fig. 9 is the radial cross-section of many planes pressure-resistance structure with sandwich of the present invention；
Figure 10 is the design sketch in kind that the many planes shell of resistance to compression leg mechanism uses emulation；
In all of the figs, identical reference is used for representing identical element or structure, wherein:
-seal head section ,-reduction post shell section, I-many Sandwichs hemispherical Shell, II-many Sandwichs cylinder, III-many planes
Sandwich Plates end socket hemispherical Shell, the outer layer smooth skins of 1-pole-shell structure, 2-many Sandwichs pole-shell structure, 3-pole-shell structure
Internal layer smooth skins；
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.If additionally, technical characteristic involved in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
It it is the simulation drawing of many planes pressure-resistance structure as shown in Fig. 1 (a) and (b)；Fig. 8 and Fig. 9 is to arrange smooth table at outer layer
The axially and radially sectional view of the many plane cylinder shell structure with sandwich after skin, Figure 10 is according to many plane cylinder shells mechanism
Use the design sketch of the spacecraft of emulation, bullet model etc..
It is the simulation drawing of many planes pressure-resistance structure as shown in Fig. 1 (a) and (b), is a kind of many plane cylinder as shown in Fig. 1 (a)
Body and be arranged on many planes pressure-resistance structure of many planes hemispherical Shell common combination at its two ends, is a kind of as shown in Fig. 1 (b)
Many planes pressure-resistance structure is combined by two identical many planes spherical shells,
Wherein: described many planes cylinder is the polygon prism shape possessing multiple faceted pebble, and the surface of this polygon prism is by multiple knots
The first substantially planar plate that structure is identical is folded each other and is spliced, and between the first substantially planar plate adjacent one another are all
There is certain plane included angle；
Described many planes hemispherical Shell is overall in spherical shell shape, and its surface is folded each other by multiple second substantially planar plates
It is spliced, between the second substantially planar plate adjacent one another are, all there is certain plane included angle；And described many planes hemisphere
Cross sectional shape bottom shell is identical with the cross section of described many planes cylinder, thus with this many planes cylinder or another are identical many
Plane hemispherical Shell matches and is together to form complete shell structure.
In one particular embodiment of the present invention, described many planes hemispherical Shell by reducing post shell section and seal head section forms,
Described reduction post shell section is spatially folded by multiple described second substantially planar plates and is spliced, this second substantially planar plate
The structure edge of block deviates from many planes cylinder direction and gradually changes, and the most described reduction post shell section is along deviating from many planes cylinder direction
Radius is gradually reduced, and constitutes many planes hemispherical Shell together with described seal head section.
As in figure 2 it is shown, many planes hemispherical Shell has been carried out the fractionation in structure, it can be seen that total is mainly by end socket
Section and reduction post shell section two parts composition, the front view of many planes hemispherical Shell as shown in Figure 3, reduction post shell section is by multiple
The described second the most stacked formation of substantially planar plate；And described reduction post shell section is along deviating from the half of many planes cylinder direction
Footpath is gradually reduced, and constitutes many planes hemispherical Shell together with described seal head section.
In one particular embodiment of the present invention, the shape of many planes hemispherical Shell seal head section can need to carry out according to self
Rational choice and design, as Figure 4-Figure 6, according to needs when using, the seal head section of described many planes hemispherical Shell can be flat
Face end socket, many planar cone end socket or umbrella cover shape end socket.
In another specific embodiment of the present invention, described plane plate is triangle or tetragon, preferably isosceles
Triangle or isosceles trapezoid, be designed the splicing elementary cell of whole many planes spherical shell, can be whole multilevel by constituting
Elementary cell is set to the isosceles triangle flat unit as shown in Fig. 7 (a) and 7 (b) or isosceles trapezoid flat unit.
In one specific embodiment of the present invention, described many plane cylinder shell structure can be the knot of a layer or multiple-layer stacked
Structure.When the compressive property of many plane cylinder shell structure requires higher, use the mode of multiple-layer stacked, it is possible to effectively strengthen putting down more
Face pole-shell structure, improves its compressive property.
In one particular embodiment of the present invention, internal layer and/or the superficies of described many plane cylinder shell structure are arranged
There is smooth epidermis to constitute sandwich.Smooth epidermis can reduce the situation that stress is concentrated, therefore at many plane cylinder shell
Epidermis is set inside and outside structure, it is possible on the premise of not increasing manufacturing difficulty, be effectively improved many plane cylinder shell structure
The pressure performance of entirety.
If Fig. 8 to Fig. 9 is many planes pressure-resistance structure schematic diagram of the sandwich after outer layer arranges smooth skins, Fig. 8
Be provided with the axial, cross-sectional view of many plane shells of resistance to compression leg of smooth skins for ectonexine, wherein many planes pressure-resistance structure is divided into three
District, I is many Sandwichs hemispherical Shell, and this many planes hemispherical Shell uses the end socket of taper, and II is many Sandwichs cylinder, and III is many
Sandwich flat-plate closure hemispherical Shell, and from shown in Fig. 8 and 9, be respectively arranged with inside and outside many Sandwichs pole-shell structure 2
Outer layer smooth skins 1 and internal layer smooth skins 3.Such as the sectional view that Fig. 9 is the section A-A in many plane cylinder shell structure, many planes
The cross section of cylinder is regular hexagon.It is more stable that the structure of regular polygon compares other shapes, in the situation that ambient pressure is bigger
Under, use the structure of regular polygon can be effectively improved the anti-pressure ability of many plane cylinder shell.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should comprise
Within protection scope of the present invention.
Claims (6)
1. plane pressure-resistance structure more than a kind, it is characterised in that this many planes pressure-resistance structure by many planes cylinder and be arranged on its two
Many planes hemispherical Shell common combination of end forms, or is directly combined by two identical many planes hemispherical Shells；
Wherein: described many planes cylinder is the polygon prism shape possessing multiple faceted pebble, and the surface of this polygon prism is by multiple structure phases
The first same substantially planar plate is folded each other and is spliced, and all exists between the first substantially planar plate adjacent one another are
Certain plane included angle；
Described many planes hemispherical Shell is overall in spherical shell shape, and its surface is folded each other splicing by multiple second substantially planar plates
Form, between the second substantially planar plate adjacent one another are, all there is certain plane included angle；And at the bottom of described many planes hemispherical Shell
The cross sectional shape in portion is identical with the cross section of described many planes cylinder, thus with this many planes cylinder or another identical many planes
Hemispherical Shell matches and is together to form complete shell structure.
Many planes pressure-resistance structure the most as claimed in claim 1, it is characterised in that described many planes hemispherical Shell is by reducing post shell section
Forming with seal head section, described reduction post shell section is spatially folded by multiple described second substantially planar plates and is spliced, should
The structure edge of the second substantially planar plate deviates from many planes cylinder direction and gradually changes, and the most described reduction post shell section is many along deviating from
The radius in plane cylinder direction is gradually reduced, and constitutes many planes hemispherical Shell together with described seal head section.
Many planes pressure-resistance structure the most as claimed in claim 2, it is characterised in that the seal head section of described many planes hemispherical Shell is permissible
It is plane end socket, many planar cone end socket or umbrella cover shape end socket.
Many planes pressure-resistance structure the most as claimed in claim 3, it is characterised in that described first substantially planar plate and the second base
This plane plate is triangle or tetragon, preferably isosceles triangle or isosceles trapezoid.
Many planes pressure-resistance structure the most as claimed in claim 4, it is characterised in that described many planes pressure-resistance structure be one layer or
Multiple-layer stacked forms.
Many planes pressure-resistance structure the most as claimed in claim 5, it is characterised in that at the internal layer of described many planes pressure-resistance structure
And/or outer layer is provided with smooth epidermis to constitute sandwich.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610659053.3A CN106122470B (en) | 2016-08-12 | 2016-08-12 | A kind of more plane pressure-resistance structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610659053.3A CN106122470B (en) | 2016-08-12 | 2016-08-12 | A kind of more plane pressure-resistance structures |
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| Publication Number | Publication Date |
|---|---|
| CN106122470A true CN106122470A (en) | 2016-11-16 |
| CN106122470B CN106122470B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610659053.3A Active CN106122470B (en) | 2016-08-12 | 2016-08-12 | A kind of more plane pressure-resistance structures |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301605A (en) * | 2020-02-28 | 2020-06-19 | 江苏科技大学 | Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1511199A (en) * | 1967-02-07 | 1968-01-26 | Us Rubber Co | Hollow spherical bodies capable of withstanding high external pressures |
| US4058945A (en) * | 1974-04-04 | 1977-11-22 | Knapp Ronald H | Pressure and buckling resisting undulated polyhedral shell structure |
| US5711244A (en) * | 1995-10-06 | 1998-01-27 | Knapp; Ronald H. | Polyhedrally stiffened cylindrical (PC) pressure hull |
| US5727496A (en) * | 1996-05-03 | 1998-03-17 | Global Oceanic Designs Ltd. | Transport vehicle hull |
| CN103603372A (en) * | 2013-11-23 | 2014-02-26 | 华中科技大学 | Multi-plane cylindrical shell structure with reinforced folded corners |
| CN205896154U (en) * | 2016-08-12 | 2017-01-18 | 华中科技大学 | Withstand voltage structure in many planes |
-
2016
- 2016-08-12 CN CN201610659053.3A patent/CN106122470B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1511199A (en) * | 1967-02-07 | 1968-01-26 | Us Rubber Co | Hollow spherical bodies capable of withstanding high external pressures |
| US4058945A (en) * | 1974-04-04 | 1977-11-22 | Knapp Ronald H | Pressure and buckling resisting undulated polyhedral shell structure |
| US5711244A (en) * | 1995-10-06 | 1998-01-27 | Knapp; Ronald H. | Polyhedrally stiffened cylindrical (PC) pressure hull |
| US5727496A (en) * | 1996-05-03 | 1998-03-17 | Global Oceanic Designs Ltd. | Transport vehicle hull |
| CN103603372A (en) * | 2013-11-23 | 2014-02-26 | 华中科技大学 | Multi-plane cylindrical shell structure with reinforced folded corners |
| CN205896154U (en) * | 2016-08-12 | 2017-01-18 | 华中科技大学 | Withstand voltage structure in many planes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301605A (en) * | 2020-02-28 | 2020-06-19 | 江苏科技大学 | Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell |
| CN111301605B (en) * | 2020-02-28 | 2022-04-15 | 江苏科技大学 | Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell |
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| CN106122470B (en) | 2017-11-14 |
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