CN106122470B - A kind of more plane pressure-resistance structures - Google Patents
A kind of more plane pressure-resistance structures Download PDFInfo
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- CN106122470B CN106122470B CN201610659053.3A CN201610659053A CN106122470B CN 106122470 B CN106122470 B CN 106122470B CN 201610659053 A CN201610659053 A CN 201610659053A CN 106122470 B CN106122470 B CN 106122470B
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- plane
- shell
- pressure
- substantially planar
- resistance structures
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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 more plane pressure-resistance structures, is formed by more plane cylinders and the more plane hemispherical Shell common combinations for being arranged on its both ends；Or directly combined by the more plane hemispherical Shells of two identicals；More plane hemispherical Shells are in integrally spherical shell shape, its surface is spliced each other by the multiple second substantially planar plates, certain plane included angle be present between the second substantially planar plate adjacent to each other, and in the junction of more plane hemispherical Shells and more plane cylinders/more planes hemispherical Shell, not with smooth curve transition between each substantially planar plate.More plane pressure-resistance structures of the present invention are while compressive property is ensured, the changeover portion reduced between cylinder and spherical shell influences on the mechanical characteristic of whole more plane pole-shell structures, with anti-pressure ability is strong, simple production process, fabrication cycle is short, is easy to the advantages that large-scale production.
Description
Technical field
The invention belongs to compression-resistant structure field, and more particularly, to a kind of more plane pressure-resistance structures, the structure is ensureing to resist
While pressing performance, the changeover portion reduced between cylinder and spherical shell influences on the mechanical characteristic of whole more plane pole-shell structures.
Background technology
For needing to bear the equipment of very big external pressure at work, such as airborne vehicle, submarine, bullet, its
Pole-shell structure has vital influence to its compressive property.To strengthen the critical external compressive resistance ability of shell mechanism, generally with two
Kind method, a kind of is existing structure to be thickeied to strengthen the architectural characteristic of itself, and another method is that existing structure is entered
Row transformation, the purpose of enhancing structure mechanical characteristic is reached by structural advantage.For example, U.S. patent Nos US005711244 is public
A kind of more plane pole-shell structures with stronger critical external compressive resistance ability are opened, the columnar part of this structure is plane plate in space
On fold and be spliced by some cycles, afterbody is ball sealing header structure, and columnar part and ball sealing head are connected by changeover portion
Connect, form the similar pole-shell structure of a sealing.On the basis of this more plane pole-shell structures, it also proposed in the prior art
The reinforcement structure of some other more plane pole-shell structures.
However, further investigations have shown that, due to whole more plane column structures using plane plate spatially
Folding splicing, cause column structure must utilize transition section structure could be attached with spherical shell cover.In the case, such as
Fruit is spliced using the changeover portion of circular arc, because transition section structure possesses the Curvature varying of complexity, so not only manufacturing
Technique it is sufficiently complex, but also very big error can be produced.On the other hand, the presence of transition section structure also results in overall more
The overall mechanical characteristic of plane pole-shell structure reduces, and underwater anti-pressure ability declines.Correspondingly, this area is needed badly to more plane cylinder shells
Structure, which is made, further to be improved, the difficulty for overcoming changeover portion to manufacture, and can avoid depositing due to changeover portion
The defects of more plane pole-shell structure overall performances decline caused by, to meet the needs of its compressive property and the mode of production.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of more plane pressure-resistance structures, wherein
By to the respective set-up mode of its key building block and its be mutually linked cooperation etc. be designed, mutually should be able to be abundant
Folding using the Curvature varying and more plane cylinders of ball shape structure changes both different characteristics, while can have spherical shell and post concurrently
The superior structural characteristic of two kinds of housings of body, and can no longer need to set between cylinder and hemispherical Shell in actual manufacturing process
Changeover portion is put, thus effectively avoids more plane pole-shell structure overall performances declines etc. caused by the presence of changeover portion from lacking
Fall into, be therefore particularly suitable for the purposes of the kind equipment of submarine, airborne vehicle or body.
To achieve the above object, it is proposed, according to the invention, provide a kind of more plane pressure-resistance structures, more plane pressure-resistance structures by
More plane cylinders form with the more plane hemispherical Shell common combinations for being arranged on its both ends, or directly by the more plane balls of two identicals
Shell combines；
Wherein：More plane cylinders are the polygon prism shapes for possessing multiple faceted pebbles, and the surface of the polygon prism is by multiple knots
The first substantially planar plate of structure identical, which is folded each other, to be spliced, and between the first substantially planar plate adjacent to each other
In the presence of certain plane included angle；
More plane hemispherical Shells are in integrally spherical shell shape, and its surface is folded each other by the multiple second substantially planar plates
It is spliced, certain plane included angle is present between the second substantially planar plate adjacent to each other；And more plane hemisphere
The cross sectional shape of shell bottom is identical with the cross section of more plane cylinders, thus more with more plane cylinders or another identical
Plane hemispherical Shell, which is engaged, is together to form complete shell structure.
It is further preferred that more plane hemispherical Shells are made up of reduction post shell section and seal head section, the reduction post shell section
Spatially folded and be spliced by multiple second substantially planar plates, the structure edge of the second substantially planar plate deviates from
More plane cylinder directions are gradually changed, and thus the reduction post shell section is gradually reduced along the radius away from more plane cylinder directions,
And more plane hemispherical Shells are formed together with the seal head section.Connected using the more plane hemispherical Shells and more plane cylinder body phases of said structure
Complicated surface blending is not needed when connecing, using straight transitions, is easily installed；And more plane hemispherical Shells need not song when making
Face processes, simpler using plane knuckle, manufacturing process.
It is further preferred that the seal head section of more plane hemispherical Shells can be plane end socket, more planar cone end sockets or
Umbrella cover shape end socket.Seal head section and reduction post shell to more plane hemispherical Shell end sockets, can both have been simplified using the end socket of above-mentioned shape
The Joining Technology of section, and can ensure the anti-pressure ability of more plane hemispherical Shells.
It is further preferred that the first substantially planar plate and the second substantially planar plate are triangle or quadrangle,
Preferably isosceles triangle or isosceles trapezoid.Isosceles triangle or isosceles trapezoid are easy to fold during fabrication and formed, and are easy to a large amount of
Make with angle plane plate, and during thus obtained more plane space plate resistance to compressions stress evenly, the pressure that can be born
Qiang Geng great.
It is further preferred that more plane pressure-resistance structures can be one layer or multilayer.When more plane pole-shell structures
When compressive property requires higher, by the way of multiple-layer stacked, it can effectively strengthen more plane pole-shell structures, improve its resistance to compression
Performance.
It is further preferred that the internal layer and/or outer layer in more plane pressure-resistance structures are provided with smooth epidermis with structure
Into sandwich.Smooth epidermis can reduce the situation of stress concentration, therefore in the inside and outside setting table of more plane pole-shell structures
Skin, the pressure-resistant performance of entirety of more plane pole-shell structures on the premise of manufacturing difficulty is not increased, can be effectively improved.
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) more plane ball-type pressure-resistance structures of the invention utilize the Curvature varying of ball shape structure and the plane of more plane cylinders
The folding change of plate is fabricated, and has had the superior structural characteristic of two kinds of housings of spherical shell and cylinder concurrently, while is reduced more flat
Changeover portion influences on the mechanical characteristic of whole more plane pole-shell structures between face column structure and end enclosure structure, preferably plays
The anti-compression property of multi-plane structure.In manufacture view, because more plane hemispherical Shells need only to plane knuckle, it is not necessary to march
Face is processed, so can be carried out processing using in general squeezer, the mistake of Machining of Curved Surface is eliminated compared with smooth hemispherical Shell
Journey, reduce the difficulty of production technology.When carrying out installation connection with more plane cylinders, more plane hemispherical Shells are substantially better than smooth
Hemispherical Shell, because during integral installation, the connection of more plane cylinders and smooth hemispherical Shell is transition of the straight line to curve, is needed
Surface blending that will be complicated, and more plane hemispherical Shells section that is connected with more plane cylinders/more planes hemispherical Shell is that identical is more
Side shape shape, it is possible to be attached well.
(2) more plane hemispherical Shells of the present invention are made up of reduction post shell section and seal head section, and the seal head section can be flat
Face end socket, more planar cone end sockets or umbrella cover shape end socket., to more plane hemispherical Shell end sockets, both may be used using the end socket of above-mentioned shape
To simplify the Joining Technology with reduction post shell section, and can ensures the anti-pressure ability of more plane hemispherical Shells.
(3) the substantially planar plate of more plane hemispherical Shells is triangle or quadrangle, preferably isosceles triangle or
Isosceles trapezoid.Isosceles triangle or isosceles trapezoid are easy to fold during fabrication and formed, and are easy to a large amount of planes for making and having angle
Plate, and evenly, the pressure that can be born is bigger for stress during thus obtained more plane space plate resistance to compressions.
(4) more plane pressure-resistance structures of the application can be one layer or multilayer.When the crushing resistance of more plane pressure-resistance structures
When can require higher, by the way of multiple-layer stacked, it can effectively strengthen more plane pole-shell structures, improve its compressive property.
Smooth epidermis is provided with to form sandwich in the internal layer and/or outer layer of more plane pressure-resistance structures.Smooth epidermis
It can reduce the situation of stress concentration, therefore in the inside and outside setting epidermis of more plane pole-shell structures, production system can not increased
On the premise of making difficulty, the pressure-resistant performance of entirety of more plane pole-shell structures is effectively improved.
(5) because more plane pole-shell structures of the design of the present invention eliminate changeover portion, its production technology, which is compared, to be had
The simple production process of the pole-shell structure of section is crossed, and more plane pole-shell structures caused by the presence of changeover portion can be avoided
The defects of overall performance declines, the strong more plane pressure-resistance structures of the manufacture compressive property that is particularly suitable for use in, also with anti-pressure ability it is strong,
Processing is simple, and fabrication cycle is short, is easy to the advantages that large-scale production.
Brief description of the drawings
Fig. 1 (a) and 1 (b) are the simulation drawings of more plane shells of resistance to compression leg of the present invention；
Fig. 2 is the STRUCTURE DECOMPOSITION simulation drawing of more plane hemispherical Shells of the present invention；
Fig. 3 is the front view of more plane hemispherical Shells of the present invention；
Fig. 4 is more plane hemispherical Shell plane end enclosure structure schematic diagrames；
Fig. 5 is the umbrella cover shape end enclosure structure schematic diagram of more plane hemispherical Shells；
Fig. 6 is more planar cone end enclosure structure schematic diagrames of more plane hemispherical Shells；
Fig. 7 (a) and 7 (b) are the schematic diagrames of the substantially planar plate shape of the present invention；
Fig. 8 is the axial sectional view of more plane pressure-resistance structures with sandwich of the present invention；
Fig. 9 is the radial cross-section of more plane pressure-resistance structures with sandwich of the present invention；
Figure 10 is in kind design sketch of the more plane shell of resistance to compression leg mechanisms using emulation；
In all of the figs, identical reference is used for representing identical element or structure, wherein：
I-seal head section, II-reduction post shell section, I-more Sandwich hemispherical Shells, II-more Sandwich cylinders, III-more planes
Sandwich Plates end socket hemispherical Shell, the outer layer smooth skins of 1- pole-shell structures, the more Sandwich pole-shell structures of 2-, 3- pole-shell structures
Internal layer smooth skins；
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
It is the simulation drawing of more plane pressure-resistance structures as shown in Fig. 1 (a) and (b)；Fig. 8 and Fig. 9 is to set smooth table in outer layer
The axially and radially sectional view of more plane pole-shell structures with sandwich after skin, Figure 10 are according to more plane cylinder shell mechanisms
Using the design sketch of the spacecraft of emulation, bullet model etc..
It is a kind of more plane cylinders as shown in Fig. 1 (a) shown in (b) such as Fig. 1 (a) and the simulation drawing for being more plane pressure-resistance structures
Body and more plane pressure-resistance structures that more plane hemispherical Shell common combinations at its both ends form are arranged on, are one kind as shown in Fig. 1 (b)
More plane pressure-resistance structures are combined by the more plane spherical shells of two identicals,
Wherein：More plane cylinders are the polygon prism shapes for possessing multiple faceted pebbles, and the surface of the polygon prism is by multiple knots
The first substantially planar plate of structure identical, which is folded each other, to be spliced, and between the first substantially planar plate adjacent to each other
In the presence of certain plane included angle；
More plane hemispherical Shells are in integrally spherical shell shape, and its surface is folded each other by the multiple second substantially planar plates
It is spliced, certain plane included angle is present between the second substantially planar plate adjacent to each other；And more plane hemisphere
The cross sectional shape of shell bottom is identical with the cross section of more plane cylinders, thus more with more plane cylinders or another identical
Plane hemispherical Shell, which is engaged, is together to form complete shell structure.
In one particular embodiment of the present invention, more plane hemispherical Shells are made up of reduction post shell section and seal head section,
The reduction post shell section is spatially folded by multiple second substantially planar plates to be spliced, the second substantially planar plate
The structure of block away from more plane cylinder directions along gradually changing, and thus the reduction post shell section is along away from more plane cylinder directions
Radius is gradually reduced, and more plane hemispherical Shells are formed together with the seal head section.
As shown in Fig. 2 more plane hemispherical Shells are carried out with the fractionation in structure, it can be seen that total is mainly by end socket
Section I and reduction post shell section II two parts composition, the front view of more plane hemispherical Shells as shown in Figure 3, reduction post shell section is by multiple
The second substantially planar plate spatially stacked formation；And the reduction post shell section is along away from the half of more plane cylinder directions
Footpath is gradually reduced, and more plane hemispherical Shells are formed together with the seal head section.
In one particular embodiment of the present invention, the shape of more plane hemispherical Shell seal head sections can be carried out according to their needs
Rational choice and design, as Figure 4-Figure 6, according to needs when using, the seal head section of more plane hemispherical Shells can be flat
Face end socket, more planar cone end sockets or umbrella cover shape end socket.
In another specific embodiment of the present invention, the plane plate is triangle or quadrangle, preferably isosceles
Triangle or isosceles trapezoid, the splicing elementary cell of whole more plane spherical shells is designed, will can formed whole multilevel
Elementary cell is arranged to isosceles triangle flat unit or isosceles trapezoid flat unit as shown in Fig. 7 (a) and 7 (b).
In the specific embodiment of the present invention, more plane pole-shell structures can be the knot of one layer or multiple-layer stacked
Structure.When the compressive property of more plane pole-shell structures requires higher, by the way of multiple-layer stacked, can effectively strengthen putting down more
Face pole-shell structure, improve its compressive property.
In one particular embodiment of the present invention, the internal layer of more plane pole-shell structures and/or superficies are set
There is smooth epidermis to form sandwich.Smooth epidermis can reduce the situation of stress concentration, therefore in more plane cylinder shells
The inside and outside setting epidermis of structure, more plane pole-shell structures can be effectively improved on the premise of manufacturing difficulty is not increased
The pressure-resistant performance of entirety.
As Fig. 8 to Fig. 9 be outer layer set smooth skins after sandwich more plane pressure-resistance structure schematic diagrames, Fig. 8
The axial, cross-sectional view of more plane shells of resistance to compression leg of smooth skins is provided with for ectonexine, wherein more plane pressure-resistance structures are divided into three
Area, I is more Sandwich hemispherical Shells, and more plane hemispherical Shells use the end socket of taper, and II is more Sandwich cylinders, and III is more
Sandwich flat-plate closure hemispherical Shell, and shown in Fig. 8 and 9, be respectively arranged with inside and outside more Sandwich pole-shell structures 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 more plane pole-shell structures, more planes
The cross section of cylinder is regular hexagon.The structure of regular polygon is more stable compared to other shapes, in the situation that ambient pressure is larger
Under, the anti-pressure abilities of more plane cylinder shells can be effectively improved using the structure of regular polygon.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (7)
- A kind of 1. more plane pressure-resistance structures, it is characterised in that more plane pressure-resistance structures by more plane cylinders and be arranged on its two More plane hemispherical Shell common combinations at end form, or are directly combined by the more plane hemispherical Shells of two identicals；Wherein：More plane cylinders are the polygon prism shapes for possessing multiple faceted pebbles, and the surface of the polygon prism is by multiple structure phases The first same substantially planar plate, which is folded each other, to be spliced, and exists between the first substantially planar plate adjacent to each other Certain plane included angle；More plane hemispherical Shells are in integrally spherical shell shape, and its surface is folded each other splicing by the multiple second substantially planar plates Form, certain plane included angle be present between the second substantially planar plate adjacent to each other；And more plane hemispherical Shell bottoms The cross sectional shape in portion is identical with the cross section of more plane cylinders, thus with more plane cylinders or the more planes of another identical Hemispherical Shell, which is engaged, is together to form complete shell structure.
- 2. more plane pressure-resistance structures as claimed in claim 1, it is characterised in that more plane hemispherical Shells are by reduction post shell section Formed with seal head section, the reduction post shell section is spatially folded by multiple second substantially planar plates to be spliced, should The structure of second substantially planar plate away from more plane cylinder directions along gradually changing, and thus the reduction post shell section is along away from more The radius in plane cylinder direction is gradually reduced, and more plane hemispherical Shells are formed together with the seal head section.
- 3. more plane pressure-resistance structures as claimed in claim 2, it is characterised in that the seal head section of more plane hemispherical Shells can be with It is plane end socket, more planar cone end sockets or umbrella cover shape end socket.
- 4. more plane pressure-resistance structures as claimed in claim 3, it is characterised in that the first substantially planar plate and the second base This plane plate is triangle or quadrangle.
- 5. more plane pressure-resistance structures as claimed in claim 4, it is characterised in that the first substantially planar plate and the second base This plane plate is isosceles triangle or isosceles trapezoid.
- 6. more plane pressure-resistance structures as claimed in claim 5, it is characterised in that more plane pressure-resistance structures be one layer or Multiple-layer stacked forms.
- 7. more plane pressure-resistance structures as claimed in claim 6, it is characterised in that in the internal layer of more plane pressure-resistance structures And/or outer layer is provided with smooth epidermis to form 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 |
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| 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 |
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| CN106122470A CN106122470A (en) | 2016-11-16 |
| CN106122470B true CN106122470B (en) | 2017-11-14 |
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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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Family Cites Families (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 |
| CN103603372B (en) * | 2013-11-23 | 2015-09-23 | 华中科技大学 | A kind of knuckle strengthens many plane cylinder shell structure |
| CN205896154U (en) * | 2016-08-12 | 2017-01-18 | 华中科技大学 | Withstand voltage structure in many planes |
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2016
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