EP2185774B1 - Bearing structure for lightweight structural components - Google Patents
Bearing structure for lightweight structural components Download PDFInfo
- Publication number
- EP2185774B1 EP2185774B1 EP08801199A EP08801199A EP2185774B1 EP 2185774 B1 EP2185774 B1 EP 2185774B1 EP 08801199 A EP08801199 A EP 08801199A EP 08801199 A EP08801199 A EP 08801199A EP 2185774 B1 EP2185774 B1 EP 2185774B1
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- EP
- European Patent Office
- Prior art keywords
- strips
- slits
- extending
- support structure
- longitudinal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 description 12
- 239000011343 solid material Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/42—Gratings; Grid-like panels
- E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
- E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
- E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
- E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
- Y10T428/24314—Slit or elongated
Definitions
- the present invention relates to a support structure for lightweight elements, which consists of elongated strips of a solid material and to methods for producing such a support structure.
- Lightweight components such as those used in aviation, in vehicle construction or in the construction of racing yachts, usually consist of two very thin and even hardly load-bearing cover plates, which describe the respective outer surface of the lightweight element and an interposed support structure.
- This support structure must be as light as possible and at the same time as strong as possible, and in addition support the even not sustainable cover plates in as many places.
- Such a support structure must therefore usually be produced as a spatial, ie three-dimensional element. This is extremely complicated with the previously known constructions, so such lightweight components are extremely expensive.
- Another support structure is from the GB 929 494 A known.
- the strips are provided with incisions which run alternately in the longitudinal direction of the strip obliquely forward and obliquely to the rear.
- these take V-profiles - and no stripes - and form a locking tongue for it.
- Another support structure is from the DE 25 26 114 A1 known.
- the local support structure consists entirely of V-profiles, which are connected via such incisions. The person skilled in the art therefore does not perceive from this document any reason to use such incisions for a support structure with elongated strips.
- a similar support structure is used in the DE 199 22 295 C1 disclosed. However, this is formed in one piece, ie here no cuts in the context of the present invention are provided.
- this object is achieved in that the cuts run alternately in the longitudinal direction of the strip obliquely forward and obliquely to the rear.
- a three-dimensional spatial structure made of simple sheet metal strips, which only need to be provided with corresponding slots by a punching process.
- the oblique course of the contactors ensures that the individual metal strips are at an optimal angle to one another in order to be able to absorb the maximum load for a certain weight of material.
- the depth of the cuts is selected such that the longitudinal sides of the mutually perpendicular strips touch a surface. This is then the surface of the Lightweight element, which is modeled by the contour of the cover plates. With appropriate design of the metal strip can also be a curved surface, and even tubes or profiles are produced.
- the incisions For optimum distribution of forces, it is particularly preferred to arrange the incisions such that they form approximately an equilateral triangle in their extension together with the longitudinal side on which they begin. In this way, the resulting from such metal strips support structure then consists of optimal pyramids or truncated pyramids, the side surfaces are equilateral triangles.
- weight may be preferably mounted in the center of the equilateral triangle a circular punched.
- a further optimization of the force distribution can preferably be achieved in that different incisions, which form triangles that are the same as other incisions and the longitudinal side, are spaced from each other in such a way that Together with the long side from which they originate, they also form approximately another equilateral triangle.
- a particularly advantageous method for producing such a support structure according to the invention is based on the fact that the longitudinally extending strips are first all arranged in parallel so that their incisions are at the same height and the transversely extending strips are then inserted into the incisions of the strips running in the longitudinal direction.
- FIG. 1 shows a metal strip from which a support structure according to the invention for a lightweight construction element can be produced.
- This sheet metal strip 10 has at its upper longitudinal side 12 in the representation incisions 14 whose width is slightly greater than the thickness of the material of the sheet metal strip 10 and extending alternately in the longitudinal direction of the strip 10 obliquely forward and obliquely backwards. They each form with the longitudinal side 12 an angle ⁇ of 60 ° forward or backward. If you extend the cuts 14 in Thoughts to the opposite longitudinal side 16 of the strip 10, they form a series of equilateral triangles with a truncated tip, which is formed in each case by one of the longitudinal sides 12 and 16 respectively. In the center of each of these imaginary equilateral triangles a circular punched 20 is arranged. This serves to save weight.
- FIG. 2 shows how many such individual strips 10 a cuboid support structure is formed.
- the individual strips 10 are inserted with their incisions 14 in each case corresponding recesses 14 in a further strip 10 arranged perpendicular thereto.
- FIG. 3 shows then the end result of these assembly work, the cross-nested strips 10 form due to the respective angular position of the incisions 14 a structure of each with a slight distance adjacent truncated pyramids whose side surfaces are connected in each case via the continuous strip 10 with the side surfaces of the respective adjacent truncated pyramids.
- This structure has optimum strength.
- FIG. 4 shows a metal strip 110 according to another embodiment of the present invention.
- This sheet-metal strip 110 likewise has a straight longitudinal side 12 into which in turn the incisions 14 slanted obliquely in the longitudinal direction and in the longitudinal direction at an angle ⁇ of 60 ° are introduced.
- the opposite longitudinal side 116 is in the present case, however, not straight, but arched or curved configured so as to form a supporting structure for a curved lightweight component, such as a wing for an aircraft.
- the further strips 10, which are to be mounted vertically on the strip 110 are already indicated here in the cuts 14 and beyond them. In the present case, these are to be trained as well as in FIG.
- FIG. 5 shows the support structure 100 made of the curved strips 110 and of normal straight strips 10 of different widths for a corresponding lightweight component with a curved surface.
- FIG. 6 shows a further embodiment of the invention in a support structure for a tubular lightweight construction element, which can serve as a fuselage or as the fuselage of a racing yacht, for example.
- a tubular lightweight construction element which can serve as a fuselage or as the fuselage of a racing yacht, for example.
- the running as a rib strip 210 is formed bent.
- this strip also has the inventive in and against the longitudinal direction of the strip 210 extending incisions 14, which in turn each form an angle ⁇ of 60 ° with the outside of the strip 210.
- corresponding punched 20 can be provided to reduce weight.
- the individual curved strips 210 are then again covered with normal inventive strips 10 as in FIG FIG. 1 shown connected.
- the strip 10; 110; 210 can therefore very complex shaped lightweight support structures from a few very easy to manufacture basic elements, the strip 10; 110; 210 produce.
- the strips 10; 110; 210 may be made of any solid material, but preferably made of steel, light metal or plastic.
- the connection of the individual strips 10; 110; 210 with each other and with the cover plates can be done by any known joining techniques such as gluing, soldering, welding, riveting, folding and clinching (clinching).
- the finished lightweight element can be constructed not only of two cover plates and a support structure therebetween, but also of a plurality of such layers.
- the strips 10; 110; 210 can be made in the simplest way by a single punching process from continuous bands of the respective material. According to the invention, these strips 10; 110; 210 are then inserted only crosswise into each other, so that a composed of truncated pyramids spatial structure arises, which has an optimal strength as a support structure with low possible weight.
- the preferred width of the cuts 14 results from the material thickness and the insertion angle of the strip 10; 110; 210. Depending on the material used and the ratio of the areas and angles, it may be necessary to broaden the incisions or to incorporate radii, which may then be bridged with filling material or fillings.
- the strips 10; 110; 210 may be punched and / or profiled to further reduce weight (see the punches 20 in the embodiments).
- FIG. 7 shows a particularly preferred method for producing a support structure according to the invention.
- the longitudinally extending strips 10 are all first arranged in parallel so that their incisions are at the same height and the transversely extending strips 10 'are then inserted into the incisions of the longitudinally extending strips 10.
- the longitudinal strips 10 are first placed in a package.
- the transverse strips 10 'are then inserted, and then the individual longitudinal strips 10 are slid along the inserted transversal strips 10' to the respective cuts 14 'in the transverse strips 10'.
- FIG. 8 shows a slightly modified manufacturing method for the support structure according to the invention, in which the longitudinally extending strips 10 are immediately brought to distances that the distances of the cuts 14 'in correspond to the transverse strip 10 '. Then again the transverse strips 10 'are inserted into the cuts 14 of the longitudinally extending strips 10. If the strips extending in the transverse and longitudinal directions are then pushed into one another, the supporting structure according to the invention inevitably forms on account of the geometric shape of the respective strips 10, 10 '. This is independent of whether an initial configuration according to FIG. 7 or FIG. 8 has been chosen.
- the supporting structure according to the invention can also be assembled with many other manufacturing methods from the strips 10 described.
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Toys (AREA)
- Rod-Shaped Construction Members (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Tents Or Canopies (AREA)
- Manipulator (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
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Abstract
Description
Die vorliegende Erfindung betrifft eine Tragstruktur für Leichtbauelemente, die aus länglichen Streifen eines festen Materials besteht sowie Verfahren zur Herstellung einer solchen Tragstruktur.The present invention relates to a support structure for lightweight elements, which consists of elongated strips of a solid material and to methods for producing such a support structure.
Leichtbauelemente, wie sie beispielsweise in der Luftfahrt, im Fahrzeugbau oder beim Bau von Rennyachten verwendet werden, bestehen üblicherweise aus zwei sehr dünnen und selbst kaum tragfähigen Deckplatten, die die jeweilige äußere Oberfläche des Leichtbauelements beschreiben und einer dazwischen angeordneten Tragstruktur. Diese Tragstruktur muss möglichst leicht und gleichzeitig möglichst fest sein, und darüber hinaus die ja selbst nicht tragfähigen Deckplatten an möglichst vielen Stellen unterstützen. Eine solche Tragstruktur muss daher üblicherweise als räumliches, also dreidimensionales Element hergestellt werden. Dies ist mit den bisher bekannten Konstruktionen außerordentlich aufwendig, daher sind solche Leichtbauelemente extrem teuer.Lightweight components, such as those used in aviation, in vehicle construction or in the construction of racing yachts, usually consist of two very thin and even hardly load-bearing cover plates, which describe the respective outer surface of the lightweight element and an interposed support structure. This support structure must be as light as possible and at the same time as strong as possible, and in addition support the even not sustainable cover plates in as many places. Such a support structure must therefore usually be produced as a spatial, ie three-dimensional element. This is extremely complicated with the previously known constructions, so such lightweight components are extremely expensive.
Aus der
Eine weitere Tragstruktur ist aus der
Eine weitere Tragstruktur ist aus der
Eine ähnliche Tragstruktur wird in der
Ausgehend von diesem Stand der Technik ist es die Aufgabe der vorliegenden Erfindung, eine solche Tragstruktur zu schaffen, die sehr einfach aus einfachen Bauelementen aufgebaut werden kann sowie Verfahren zum Aufbau einer solchen Tragstruktur anzugeben.Based on this prior art, it is the object of the present invention to provide such a support structure that can be easily constructed from simple components and to provide methods for constructing such a support structure.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass die Einschnitte abwechselnd in Längsrichtung des Streifens schräg nach vorn und schräg nach hinten verlaufen.According to the invention, this object is achieved in that the cuts run alternately in the longitudinal direction of the strip obliquely forward and obliquely to the rear.
Erfindungsgemäß wird also hier ein dreidimensionales räumliches Tragwerk aus einfachen Blechstreifen hergestellt, die lediglich durch einen Stanzvorgang mit entsprechenden Schlitzen versehen sein müssen. Durch den schrägen Verlauf der Schütze ist sichergestellt, dass die einzelnen Blechstreifen in einem optimalen Winkel zueinander stehen, um die für ein bestimmtes Materialgewicht maximale Last aufnehmen zu können.According to the invention, therefore, a three-dimensional spatial structure made of simple sheet metal strips, which only need to be provided with corresponding slots by a punching process. The oblique course of the contactors ensures that the individual metal strips are at an optimal angle to one another in order to be able to absorb the maximum load for a certain weight of material.
Um eine optimale Unterstützung der dünnen Deckplatten zu erzielen, ist es bevorzugt, dass die Tiefe der Einschnitte so gewählt ist, dass die Längsseiten der zu einander senkrecht stehenden Streifen eine Fläche berühren. Dies ist dann die Oberfläche des Leichtbauelements, welche durch die Kontur der Deckplatten nachgebildet wird. Bei entsprechender Gestaltung der Blechstreifen kann dabei auch eine gebogene Fläche, und sogar Röhren oder Profile hergestellt werden.In order to achieve optimal support of the thin cover plates, it is preferred that the depth of the cuts is selected such that the longitudinal sides of the mutually perpendicular strips touch a surface. This is then the surface of the Lightweight element, which is modeled by the contour of the cover plates. With appropriate design of the metal strip can also be a curved surface, and even tubes or profiles are produced.
Für eine optimale Kräfteverteilung ist es besonders bevorzugt, die Einschnitte so anzuordnen, dass sie in ihrer Verlängerung zusammen mit der Längsseite, an der sie beginnen, näherungsweise ein gleichseitiges Dreieck bilden. Auf diese Weise besteht die aus solchen Blechstreifen entstehende Tragstruktur dann aus optimalen Pyramiden beziehungsweise Pyramidenstümpfen, deren Seitenflächen gleichseitige Dreiecke sind.For optimum distribution of forces, it is particularly preferred to arrange the incisions such that they form approximately an equilateral triangle in their extension together with the longitudinal side on which they begin. In this way, the resulting from such metal strips support structure then consists of optimal pyramids or truncated pyramids, the side surfaces are equilateral triangles.
Zur weiteren Einsparung von Gewicht kann vorzugsweise im Zentrum des gleichseitigen Dreiecks eine kreisförmige Ausstanzung angebracht sein.To further save weight may be preferably mounted in the center of the equilateral triangle a circular punched.
Eine weitere Optimierung der Kraftverteilung lässt sich vorzugsweise dadurch erzielen, dass verschiedene Einschnitte, die mit anderen Einschnitten und mit der Längsseite gleichseitige Dreiecke bilden, so voneinander beabstandet sind, dass sie zusammen mit der Längsseite, von der sie ausgehen, ebenfalls näherungsweise ein weiteres gleichseitiges Dreieck bilden.A further optimization of the force distribution can preferably be achieved in that different incisions, which form triangles that are the same as other incisions and the longitudinal side, are spaced from each other in such a way that Together with the long side from which they originate, they also form approximately another equilateral triangle.
Weitere Gewichtseinsparung kann dann vorzugsweise dadurch erzielt werden, dass im Zentrum des weiteren gleichseitigen Dreiecks eine kreisförmige Ausstanzung angebracht ist.Further weight savings can then preferably be achieved by the fact that in the center of the further equilateral triangle a circular punched-out is attached.
Ein besonders vorteilhaftes Verfahren zur Herstellung einer solchen erfindungsgemäßen Tragstruktur beruht darauf dass die in Längsrichtung verlaufenden Streifen zuerst alle dergestalt parallel angeordnet werden, dass ihre Einschnitte auf gleicher Höhe liegen und die in Querrichtung verlaufenden Streifen sodann in die Einschnitte der in Längsrichtung verlaufenden Streifen eingesteckt werden.A particularly advantageous method for producing such a support structure according to the invention is based on the fact that the longitudinally extending strips are first all arranged in parallel so that their incisions are at the same height and the transversely extending strips are then inserted into the incisions of the strips running in the longitudinal direction.
Es ist dabei besonders bevorzugt, die in Längsrichtung verlaufenden Streifen sogleich auf Abstände zu bringen, die den Abständen der Einschnitte in den in Querrichtung verlaufenden Streifen entsprechen. Auf diese Weise lässt sich auch eine kontinuierliche Fertigung der erfindungsgemäßen Tragstrukturen verwirklichen, da die jeweiligen Streifen leicht soweit verdreht und gebogen werden können, dass sie im Zuge dieses Fertigungsprozesses mit ihren jeweiligen Einschnitten ineinander verrasten können.It is particularly preferred to instantly bring the longitudinally extending strips to distances corresponding to the distances of the cuts in the transversely extending strips. In this way, a continuous production of the supporting structures according to the invention can be realized, since the respective strips can easily be twisted and bent so far that they can lock into each other in the course of this manufacturing process with their respective incisions.
Alternativ dazu besteht auch die Möglichkeit, die in Längsrichtung verlaufenden Streifen in einem Paket anzuordnen, die in Querrichtung verlaufenden Streifen sodann einzustecken, und anschließend die einzelnen in Längsrichtung verlaufenden Streifen entlang der eingesteckten, in Querrichtung verlaufenden Streifen bis zu den jeweiligen Einschnitten in den in Querrichtung verlaufenden Streifen zu verschieben.Alternatively, it is also possible to arrange the longitudinal strips in a package, then to insert the transverse strips and then insert the individual longitudinal strips along the inserted transverse strips to the respective cuts in the transverse direction to move progressing strip.
Die vorliegende Erfindung wird im Folgenden anhand der in der Zeichnung dargestellten Ausführungsbeispiele näher erläutert. Es zeigt:
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Figur 1 einen Abschnitt eines Blechstreifens für eine erfindungsgemäße Tragstruktur; -
Figur 2 die entsprechende Tragstruktur vor der Endmontage als Explosionszeichnung; -
Figur 3 die fertige Tragstruktur derFigur 2 ; -
Figur 4 eine weitere Ausführungsform eines erfindungsgemäßen Blechstreifens für ein linsenförmig gewölbtes Leichtbauelement; -
Figur 5 ein entsprechendes Leichtbauelement mit einer gewölbten Oberfläche; -
Figur 6 eine erfindungsgemäße Tragstruktur für ein röhrenförmiges Leichtbauelement; -
Figur 7 ein Verfahren zur Herstellung einer erfindungsgemäßen Tragstruktur, wobei die in Längsrichtung verlaufenden Streifen zuerst in einem Paket angeordnet werden, und -
Figur 8 ein Verfahren zur Herstellung einer erfindungsgemäßen Tragstruktur, bei dem die in Längsrichtung verlaufenden Streifen sogleich auf diejenigen Abstände gebracht werden, die den Abständen der Einschnitte in den in Querrichtung verlaufenden Streifen entsprechen.
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FIG. 1 a portion of a metal strip for a support structure according to the invention; -
FIG. 2 the corresponding support structure before the final assembly as an exploded view; -
FIG. 3 the finished support structure ofFIG. 2 ; -
FIG. 4 a further embodiment of a metal strip according to the invention for a lenticular convex lightweight component; -
FIG. 5 a corresponding lightweight construction element with a curved surface; -
FIG. 6 a supporting structure according to the invention for a tubular lightweight component; -
FIG. 7 a method for producing a support structure according to the invention, wherein the longitudinally extending strips are first arranged in a package, and -
FIG. 8 a method for producing a supporting structure according to the invention, wherein the longitudinal strips are immediately brought to those distances corresponding to the intervals of the cuts in the transverse strip.
Erfindungsgemäß lassen sich also sehr komplex geformte Leichtbau-Tragstrukturen aus einigen wenigen sehr leicht herzustellenden Grundelementen, den Streifen 10; 110; 210 herstellen. Die Streifen 10; 110; 210 können dabei aus jedem beliebigen festen Material, vorzugsweise jedoch aus Stahl, Leichtmetall oder Kunststoff hergestellt sein. Die Verbindung der einzelnen Streifen 10; 110; 210 untereinander und mit den Deckplatten kann durch sämtliche bekannten Verbindungstechniken wie Kleben, Löten, Schweißen, Nieten, Falzen und Clinchen (Durchsetzfügen) erfolgen.According to the invention can therefore very complex shaped lightweight support structures from a few very easy to manufacture basic elements, the
Erfindungsgemäß kann das fertige Leichtbauelement nicht nur aus zwei Deckplatten und einer Tragstruktur dazwischen, sondern auch aus mehreren solchen Lagen aufgebaut sein.According to the invention, the finished lightweight element can be constructed not only of two cover plates and a support structure therebetween, but also of a plurality of such layers.
Die Streifen 10; 110; 210 können auf einfachste Weise durch einen einzigen Stanzvorgang aus fortlaufenden Bändern des jeweiligen Materials hergestellt werden. Erfindungsgemäß müssen diese Streifen 10; 110; 210 dann lediglich kreuzweise ineinander gesteckt werden, sodass eine aus Pyramidenstümpfen zusammengesetzte räumliche Struktur entsteht, die eine optimale Festigkeit als Tragstruktur bei geringmöglichen Gewicht aufweist. Die bevorzugte Breite der Einschnitte 14 ergibt sich aus der Materialstärke und dem Steckwinkel der Streifen 10; 110; 210. Je nach verwendetem Material und Verhältnis der Flächen und Winkel kann es notwendig sein, die Einschnitte zu verbreitern oder Radien einzuarbeiten, die gegebenenfalls anschließend mit Füllmaterial oder Füllstücken überbrückt werden können.The
Die Streifen 10; 110; 210 können zur weiteren Gewichtseinsparung gelocht (siehe die Ausstanzungen 20 in den Ausführungsbeispielen), perforiert und/oder profiliert werden.The
Selbstverständlich kann die erfindungsgemäße Tragstruktur auch mit vielen anderen Herstellungsverfahren aus den beschriebenen Streifen 10 zusammengesetzt werden.Of course, the supporting structure according to the invention can also be assembled with many other manufacturing methods from the
Claims (9)
- Support structure for light-weight construction elements consisting of elongated strips (10; 110; 210) of a strong material, wherein each strip (10; 110; 210) is provided with slits (14) starting out from one of its longitudinal edges (12), the width thereof is slightly larger than the thickness of the material and wherein the individual strips (10; 110; 210) by means of the slits (14) are inserted into each other in such a way that the longitudinal directions of the strips (10; 110; 210) inserted into each other each are extending perpendicularly to each other, characterized in that the slits (14) are alternatingly extending in the longitudinal direction of the strip (10; 110; 210) diagonally forwardly and diagonally backwardly.
- Support structure according to claim 1, characterized in that the depth of the slits (10; 110; 210) is chosen such that the longitudinal edges (12, 16) of the strips (10; 110; 210) positioned perpendicularly to each other are contacting one surface.
- Support structure according to claim 1 or 2, characterized in that the slits (14) are positioned such that the same in the prolongation thereof together with the longitudinal edge (12) from which they are starting out approximately are forming an equilateral triangle.
- Support structure according to claim 3, characterized in that in the centre of the equilateral triangle a punch-out (20) is provided.
- Support structure according to claim 3 or 4, characterized in that different slits (14) which together with other slits (14) and with the longitudinal edge (12) from which they are starting out from are forming equilateral triangles are positioned from each other in such a distance that they, too, together with the other longitudinal edge (16) approximately are forming a further equilateral triangle.
- Support structure according to claim 5, characterized in that in the centre of the further equilateral triangle a punch-out (20) is provided.
- A method for the production of a support structure according to any of the claims 1 to 6, characterized in that the strips (10) extending in the longitudinal direction firstly all together are positioned parallel to each other in such a way that the slits (14) are positioned on the same right and that the strips (10') extending in the transverse direction thereafter are inserted into the slits (14) of the strips (10) extending in the longitudinal direction.
- A method according to claim 7, characterized in that the strips (10) extending in the longitudinal direction immediately are positioned in distances which are corresponding to the distances between the slits (14') of the strips (10') extending in the transverse direction.
- A method according to claim 7, characterized in that the strips (10) extending in the longitudinal direction are positioned in a package, that the strips (10) extending in the transverse direction thereafter are inserted and then the individual strips (10) extending in the longitudinal direction are shifted along the inserted strips (10) extending in the transverse direction up to the corresponding slits (14) in the strips (10') extending in the transverse direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08801199T PL2185774T3 (en) | 2007-08-18 | 2008-08-18 | Bearing structure for lightweight structural components |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007011599U DE202007011599U1 (en) | 2007-08-18 | 2007-08-18 | Support structure for lightweight components |
PCT/DE2008/001376 WO2009024141A2 (en) | 2007-08-18 | 2008-08-18 | Bearing structure for lightweight structural components |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2185774A2 EP2185774A2 (en) | 2010-05-19 |
EP2185774B1 true EP2185774B1 (en) | 2011-01-19 |
Family
ID=38690664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08801199A Not-in-force EP2185774B1 (en) | 2007-08-18 | 2008-08-18 | Bearing structure for lightweight structural components |
Country Status (15)
Country | Link |
---|---|
US (1) | US8404329B2 (en) |
EP (1) | EP2185774B1 (en) |
JP (1) | JP5123388B2 (en) |
CN (1) | CN101827984B (en) |
AT (1) | ATE496182T1 (en) |
BR (1) | BRPI0815485A2 (en) |
CA (1) | CA2694350A1 (en) |
DE (3) | DE202007011599U1 (en) |
DK (1) | DK2185774T3 (en) |
EA (1) | EA016550B1 (en) |
ES (1) | ES2358968T3 (en) |
MX (1) | MX2010001859A (en) |
PL (1) | PL2185774T3 (en) |
PT (1) | PT2185774E (en) |
WO (1) | WO2009024141A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2939818A1 (en) * | 2008-12-12 | 2010-06-18 | Patricia Julien | FACADE PROTECTION DEVICE AGAINST GRAFFITI |
JP6951059B2 (en) * | 2016-08-01 | 2021-10-20 | 花王株式会社 | Detergent composition for screen plate |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1611316A (en) * | 1925-07-25 | 1926-12-21 | Grating Company | Connected-bar structure |
US1740219A (en) * | 1926-05-26 | 1929-12-17 | Tri Lok Company | Grating structure |
GB929494A (en) | 1959-09-25 | 1963-06-26 | Allan Kennedy & Co Ltd | Improved grating or floor panel |
GB1512643A (en) | 1974-06-21 | 1978-06-01 | Passmore M | Rigid structure |
DE7608866U1 (en) | 1976-03-23 | 1976-07-15 | Riegelein Hans & Sohn | Stackable packaging |
US4890433A (en) * | 1987-12-15 | 1990-01-02 | Motokatsu Funaki | Tile mounting plate and tiled wall structure |
US5157892A (en) * | 1990-07-27 | 1992-10-27 | Ryther Ronald R | Structural interlocking joint system |
JPH04110823U (en) * | 1991-01-29 | 1992-09-25 | 三和シヤツター工業株式会社 | metal core material |
JPH0550169A (en) * | 1991-07-17 | 1993-03-02 | Sumitomo Light Metal Ind Ltd | Honeycomb core |
PH30521A (en) * | 1992-11-18 | 1997-06-13 | Lim Chow Pak | Paper pallet |
JPH0728631U (en) * | 1993-11-10 | 1995-05-30 | 三菱アルミニウム株式会社 | Brazed honeycomb panel |
CN2311556Y (en) * | 1997-06-02 | 1999-03-24 | 李文男 | Improved ceiling light steel supporting frame |
JP4412754B2 (en) * | 1999-01-29 | 2010-02-10 | 富士重工業株式会社 | Method for integrally forming a structure |
DE19922295C1 (en) | 1999-05-14 | 2000-07-27 | Eurocopter Deutschland | Underfloor structure of fuselage cell for helicopter is connected with floor and outer fuselage shell, comprising interconnected longitudinal and crossbearers |
US6148834A (en) * | 1999-07-01 | 2000-11-21 | Grooms, Sr.; Tally R. | Modular tent platform system |
JP2001262771A (en) * | 2000-03-23 | 2001-09-26 | Daiken Trade & Ind Co Ltd | Core member for panel and panel using the same |
-
2007
- 2007-08-18 DE DE202007011599U patent/DE202007011599U1/en not_active Expired - Lifetime
-
2008
- 2008-08-18 MX MX2010001859A patent/MX2010001859A/en active IP Right Grant
- 2008-08-18 EA EA201000326A patent/EA016550B1/en not_active IP Right Cessation
- 2008-08-18 CA CA2694350A patent/CA2694350A1/en not_active Abandoned
- 2008-08-18 DE DE502008002424T patent/DE502008002424D1/en active Active
- 2008-08-18 AT AT08801199T patent/ATE496182T1/en active
- 2008-08-18 PL PL08801199T patent/PL2185774T3/en unknown
- 2008-08-18 DK DK08801199.4T patent/DK2185774T3/en active
- 2008-08-18 US US12/670,087 patent/US8404329B2/en not_active Expired - Fee Related
- 2008-08-18 DE DE112008002836T patent/DE112008002836A5/en not_active Withdrawn
- 2008-08-18 WO PCT/DE2008/001376 patent/WO2009024141A2/en active Application Filing
- 2008-08-18 CN CN2008801036732A patent/CN101827984B/en not_active Expired - Fee Related
- 2008-08-18 EP EP08801199A patent/EP2185774B1/en not_active Not-in-force
- 2008-08-18 JP JP2010521301A patent/JP5123388B2/en not_active Expired - Fee Related
- 2008-08-18 PT PT08801199T patent/PT2185774E/en unknown
- 2008-08-18 BR BRPI0815485-6A2A patent/BRPI0815485A2/en not_active IP Right Cessation
- 2008-08-18 ES ES08801199T patent/ES2358968T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010536636A (en) | 2010-12-02 |
DE502008002424D1 (en) | 2011-03-03 |
CN101827984A (en) | 2010-09-08 |
PT2185774E (en) | 2011-04-05 |
PL2185774T3 (en) | 2011-06-30 |
DK2185774T3 (en) | 2011-04-18 |
US20100196657A1 (en) | 2010-08-05 |
BRPI0815485A2 (en) | 2015-02-18 |
US8404329B2 (en) | 2013-03-26 |
ATE496182T1 (en) | 2011-02-15 |
CN101827984B (en) | 2012-03-21 |
EA201000326A1 (en) | 2010-08-30 |
CA2694350A1 (en) | 2009-02-26 |
DE202007011599U1 (en) | 2007-11-15 |
JP5123388B2 (en) | 2013-01-23 |
WO2009024141A2 (en) | 2009-02-26 |
EA016550B1 (en) | 2012-05-30 |
ES2358968T3 (en) | 2011-05-17 |
DE112008002836A5 (en) | 2010-07-22 |
WO2009024141A3 (en) | 2010-02-18 |
MX2010001859A (en) | 2010-12-06 |
EP2185774A2 (en) | 2010-05-19 |
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