EP1656483A1 - Support pneumatique - Google Patents
Support pneumatiqueInfo
- Publication number
- EP1656483A1 EP1656483A1 EP04738025A EP04738025A EP1656483A1 EP 1656483 A1 EP1656483 A1 EP 1656483A1 EP 04738025 A EP04738025 A EP 04738025A EP 04738025 A EP04738025 A EP 04738025A EP 1656483 A1 EP1656483 A1 EP 1656483A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- pressure
- carrier
- tension elements
- pneumatic
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/38—Arched girders or portal frames
- E04C3/46—Arched girders or portal frames of materials not covered by groups E04C3/40 - E04C3/44; of a combination of two or more materials
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/122—Inflatable or unreelable bridges ; Bridges with main load-supporting structure consisting only of non-rigid elements, e.g. cables
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/202—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework
- E04H2015/205—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework made from two sheets with intermediate spacer means
Definitions
- the present invention relates to a pneumatic carrier according to the preamble of claim 1.
- a pneumatic carrier in the form of inflatable hollow bodies have become known, for example from US 3,894,307 (D1) and from WO 01/73245 (D2) of the same applicant as the present one Invention. If such a carrier is loaded transversely, the problem to be solved is above all to absorb the tensile and shear forces that occur without the carrier buckling.
- the axial compressive forces are absorbed by a pressure rod, while the axial tensile forces are absorbed by two tensioning elements spirally wound around the hollow body and attached to the pressure rod ends.
- the pneumatic part of the components described there has the task of stabilizing the pressure bars against buckling.
- Dl is the closest document to the present invention.
- the disclosed in D2 pneumatic component has at least two, due to their winding around the hollow body in comparison to the length of the component relatively long tension elements. This leads to greater deflection under load than when using shorter tension elements.
- the tension element is a large-area shell which can absorb only limited tensile forces and can only be tensioned with great technical effort.
- the object of the present invention is to provide pneumatic supports with tension and compression elements, which have a high flexural rigidity, simple and produced at low cost, easily assembled to more complex components and structures such as roofs and bridges, their erection can be done very quickly and can also be connected in a simple manner with conventional Baukon- structures.
- 1a, b is a schematic representation of a first embodiment of a pneumatic support in side view and in cross section
- 2a, b is a schematic representation of a second embodiment of a pneumatic support in side view and in cross section
- 3a, b is a schematic representation of a third embodiment of a pneumatic support as isometry and in cross-section,
- 4a, b is a schematic representation of a fourth embodiment of a pneumatic support in side view in rolled up and inflated state
- FIG. 5 is a schematic representation of a first embodiment of the non-positive connection of the pressure / tension elements in side view
- 6 is a schematic representation of a second embodiment of the non-positive connection of the pressure / tension elements in side view
- 7 is a schematic representation of an embodiment of a pressure / tension element in plan view
- FIGS. 8-10 are schematic representations of three exemplary embodiments of the hollow body form in side view
- 11-13 are schematic representations of three embodiments for subdivided into several pressure chambers hollow body in longitudinal section,
- FIG. 14 is a schematic representation of a fifth embodiment of a pneumatic support in side view
- Fig. 15a-c is a schematic representation of a first application example for the connection of multiple pneumatic carrier.
- a carrier 1 is a schematic representation of a first embodiment of the inventive concept.
- a carrier 1 consists of a tapered towards the ends, elongated hollow body 2, a push rod 3 and a tension element 4.
- the hollow body 2 is formed by a sheath 7 of gas-tight flexible low-stretch material. Since these properties are difficult to combine in one material, the hollow body 2 is advantageously constructed from an outer, low-expansion flexible sleeve 7 and an inner gastight, elastic bladder.
- the hollow body 2 can be acted upon via a valve 6 with compressed gas.
- Both the push rod 3 and the tension element 4 lie along this diametrically opposite generatrices of the hollow body 2 at this.
- the push rod 3 is connected by suitable means along this generatrix with the hollow body 2 frictionally.
- the ends of the tension element 4 are frictionally attached to the ends of the push rod 3.
- This first exemplary embodiment of a pneumatic carrier 1 is suitable for suitable conditions in which pressure forces act only in one direction on the carrier 1. For example, this essentially applies to a bridge girder on which the weight of the dead weight of the bridge and the payload is exercised.
- Push rod 3 and tension element 4 lie in the plane of action of the load vector, which acts on the push rod 3 and points in the direction of tension element 4.
- the hollow body 2 prevents buckling of the pressure rod 3, whereby the material of the pressure rod 3 can be loaded to the flow limit. This is at a much higher power than the buckling load of a rod.
- the hollow body 2 separates the push rod 3 and the tension element 4 spatially from each other.
- Such a construction is characterized by low material consumption and low weight with high load capacity.
- Fig. La shows a side view
- Fig. 1b shows the section AA.
- Fig. 2 shows a second embodiment of a pneumatic carrier 1, as it can be used for example for roof structures.
- a pneumatic carrier 1 In strong wind strong suction forces can be exerted on areas of a roof, which more than compensate for the load forces in the vertical direction. This leads to a reversal of the force effect in the carrier 1 used in this way.
- the underlying exclusive traction element 4 of Figure 1 has been replaced by a pressure / tension element 5; an element that can absorb both compressive and tensile forces.
- the simplest and most common case of a pressure / tension element 5 is a second pressure rod 3.
- such a rod can be made of steel or aluminum, since these materials have similarly good tensile and compression properties.
- two pressure / tension elements 5 surround the hollow body 2 along two diametrically opposite generatrices.
- the pressure / tension elements 5 are in turn attached to the generatrix to prevent buckling under load.
- the pressure / tension elements 5 are at their En- connected to each other and serve depending on the load direction as a tensile or as a pressure element. It is included in the concept of the invention that the two pressure / tension elements 5 in their properties as a pressure resp. Can distinguish tension element.
- the pressure / tension elements 5 can be chosen so that the upper resisting greater compressive forces than the lower.
- Fig. 2a shows a side view and Fig. 2b shows the section BB.
- FIG. 3 shows a third exemplary embodiment of the inventive concept.
- the beams 1 are loaded substantially in the vertical plane.
- the transverse forces essentially no longer occur exclusively in one plane, but can act on the carrier from all sides to a similar extent, such as wind forces.
- FIG. 3 has three pressure / tension elements 5, which are uniformly distributed around the cross section of the hollow body 2 and in turn are fastened to the same along generatrices and are frictionally connected to one another at their ends.
- an axial load also acts on it.
- Embodiments with more than three pressure / tension elements 5 distributed around the hollow body 2 are included in the concept of the invention.
- FIG. 3a shows an isometry
- FIG. 3b shows the cross section CG.
- Fig. 4 it is shown how a complete carrier 1 with emptied hollow body 2, for example, can be rolled up small for transport or storage, when the pressure / tension elements 5 are made of flexible material.
- Fig. 4 it is shown how a complete carrier 1 with emptied hollow body 2, for example, can be rolled up small for transport or storage, when the pressure / tension elements 5 are made of flexible material.
- FIG. 4a shows the carrier 1 rolled up with emptied hollow body 2, and in Fig. 4b of the ready-to-use carrier 1 is shown with pressurized hollow body 2 on a reduced scale.
- Carrier 1 with emptied hollow bodies 2 and flexurally elastic pressure / tension elements 5 or pressure rods 3 can also be folded, for example in S-shaped strokes.
- FIGS. 5 and 6 show various possibilities for the connection of the pressure / tension elements 5 at the ends of the carrier 1.
- the pressure / tension elements 5 open into a closure piece 9, which may comprise, for example, the end of the hollow body 2.
- an axle 8 are attached to insert the carrier in a construction composite; or the end piece 9 may be formed so that it can be placed directly on a camp.
- the ends of the pressure / tension elements 5 are connected by means of an axle 8.
- FIG. 7 shows an advantageous exemplary embodiment of a pressure / tension element 5, which has a broader cross section and thus a higher flexural rigidity towards the ends.
- This design of the pressure / tension element 5 takes into account the fact that the pressure / tension elements 5 must absorb higher bending moments at the ends of the carrier 1 than in the middle of the carrier 1.
- the greater bending stiffness of the pressure / tension elements 5 reached towards their ends with a higher cross section.
- FIG. 8-10 show various embodiments of the hollow body 2.
- the cross section of the hollow body 2 is substantially circular over the entire length.
- Other or lengthwise varying cross sections for example, a flattening of the hollow body cross-section for better lateral stability, however, are also included in the inventive concept.
- Fig. 8 shows an embodiment of an asymmetric hollow body 2 with greater curvature on the upper side of the carrier 1 and with a flat arched bottom.
- Carrier 1 with hollow bodies 2 shaped in this way have a particularly low deflection when used as a bridge carrier with one-sided loading.
- FIG. 9 shows a hollow body 2 which is rotationally symmetrical about the longitudinal axis. This is essentially a cylindrical tube with pointed ends.
- the hollow body 2 in Fig. 10 has a teardrop shape in longitudinal section.
- FIGS. 11-13 show various exemplary embodiments with hollow bodies subdivided into a plurality of chambers 10.
- the hollow body is divided transversely to the longitudinal axis into a plurality of chambers 10, which occupy the entire cross-section of the hollow body 2.
- These chambers 10 can be acted upon with different pressures.
- the example shows a variant with three pressure regimes. The following applies: PO ⁇ Pl ⁇ P2 ⁇ P3.
- the prints increase toward the ends of the carrier 1.
- the hollow body 2 is subdivided into a plurality of chambers 10 which are substantially parallel to the longitudinal direction and which extend essentially over the entire length of the hollow body 2.
- 13 shows a combination of longitudinally and transversely divided chambers 10.
- the hollow body consists of a flexible, low-expansion casing 7, for example of aramid-reinforced fabric. In this little stretchable sleeve 7 more bubbles 11 are inserted from stretchable, gas-tight material. Additionally, webs 12 recessed into the outer shell 7 may serve to substantially define the position of the pressurized bladders 11 and prevent displacements of these bladders 11 within the shell 7. This is illustrated on one side of the carrier 1 in FIG.
- a carrier 1 as described in Fig. 2 is arcuately curved upward and thus has a concave bottom and a convex top.
- the distance between the two ends of the carrier 1 can be fixed either by clamping the ends in abutment or by means of an external tension element 14 substantially.
- FIG. 15a-c an application example of pneumatic supports 1 for the construction of a bridge is shown.
- Two carriers 1 in the embodiment according to FIG. 1 are united by means of a connecting these, resting on the push rods 3 roadway construction 13 to form a lightweight bridge.
- the skilled person is various ways known how such a roadway can be made for example with fiber-reinforced plastics in sandwich construction. It will therefore not be discussed further here.
- Fig. 15a shows the bridge in plan view
- Fig. 15b shows the section DD
- Fig. 15c shows the section EE.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Tents Or Canopies (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Rod-Shaped Construction Members (AREA)
- Actuator (AREA)
- Materials For Medical Uses (AREA)
- Photoreceptors In Electrophotography (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04738025T PL1656483T3 (pl) | 2003-07-18 | 2004-06-24 | Dźwigar pneumatyczny |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH12592003 | 2003-07-18 | ||
PCT/CH2004/000384 WO2005007991A1 (fr) | 2003-07-18 | 2004-06-24 | Support pneumatique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1656483A1 true EP1656483A1 (fr) | 2006-05-17 |
EP1656483B1 EP1656483B1 (fr) | 2008-02-20 |
Family
ID=34069957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04738025A Expired - Lifetime EP1656483B1 (fr) | 2003-07-18 | 2004-06-24 | Support pneumatique |
Country Status (13)
Country | Link |
---|---|
US (1) | US20060273233A1 (fr) |
EP (1) | EP1656483B1 (fr) |
JP (1) | JP4644668B2 (fr) |
CN (1) | CN100376756C (fr) |
AT (1) | ATE386856T1 (fr) |
AU (2) | AU2004257321A1 (fr) |
CA (1) | CA2531918C (fr) |
DE (1) | DE502004006268D1 (fr) |
ES (1) | ES2300782T3 (fr) |
HK (1) | HK1094461A1 (fr) |
PL (1) | PL1656483T3 (fr) |
WO (1) | WO2005007991A1 (fr) |
ZA (1) | ZA200600516B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502004005916D1 (de) | 2003-08-27 | 2008-02-21 | Prospective Concepts Ag | Schwebende tragstruktur mit statischem auftrieb |
CA2543798C (fr) * | 2003-11-04 | 2012-09-25 | Prospective Concepts Ag | Structure pneumatique plane |
WO2006105787A1 (fr) * | 2005-04-02 | 2006-10-12 | Ole Fjord Larsen | Console flexible |
WO2007009280A1 (fr) | 2005-07-15 | 2007-01-25 | Prospective Concepts Ag | Membrane autogeneratrice |
CA2634501C (fr) * | 2005-12-23 | 2014-09-02 | Prospective Concepts Ag | Element de construction pneumatique et toit construit a partir de celui-ci |
CH704442B1 (de) | 2005-12-23 | 2012-08-15 | Prospective Concepts Ag | Pneumatisches Bauelement. |
CH705206B1 (de) * | 2006-06-23 | 2012-11-30 | Prospective Concepts Ag | Pneumatische Tragstruktur. |
CA2706190C (fr) * | 2007-11-19 | 2014-03-18 | Prospective Concepts Ag | Support pneumatique pliable |
US20110114083A1 (en) * | 2008-03-28 | 2011-05-19 | Andrea Pedretti | Trough collector for a solar power plant |
CH698860A1 (de) * | 2008-05-07 | 2009-11-13 | Airlight Energy Holding Sa | Rinnenkollektor für ein Solarkraftwerk. |
CH700461A2 (de) * | 2009-02-17 | 2010-08-31 | Empa | Gekrümmter pneumatischer Träger. |
CH702469A1 (de) * | 2009-12-17 | 2011-06-30 | Airlight Energy Ip Sa | Parabol-Kollektor. |
JP5709663B2 (ja) * | 2011-06-17 | 2015-04-30 | 川崎重工業株式会社 | 仮設橋の架設方法 |
JP5730717B2 (ja) * | 2011-09-02 | 2015-06-10 | 川崎重工業株式会社 | 仮設橋の架設方法 |
CH709686A2 (de) | 2014-05-22 | 2015-11-30 | Pibridge Ltd | Pneumatischer Träger. |
CN105821754B (zh) * | 2016-05-16 | 2018-07-27 | 河南大学 | 一种frp板和气肋梁组成的轻型折叠桥 |
CH712565A1 (de) | 2016-06-08 | 2017-12-15 | Pibridge Ltd | Pneumatischer Träger. |
CH713818A1 (de) | 2017-05-16 | 2018-11-30 | Pibridge Ltd | Pneumatischer Träger. |
RU176041U1 (ru) * | 2017-07-24 | 2017-12-27 | Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" | Аэромобильный автодорожный мост |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2743510A (en) * | 1953-10-19 | 1956-05-01 | Goodyear Tire & Rubber | Inflatable fabric segment of curved configuration and the method of making the same |
US3364488A (en) * | 1965-10-01 | 1968-01-16 | Gen Precision Inc | Inflatable portable antenna system |
US3300910A (en) * | 1965-12-10 | 1967-01-31 | Isaac Peter | Reelable structural members |
US3432609A (en) * | 1966-11-25 | 1969-03-11 | Goodyear Tire & Rubber | Packageable shelter with radio frequency shielding |
US3973363A (en) * | 1969-11-03 | 1976-08-10 | Pneumatiques, Caoutchouc Manufacture Et Plastiques Kleber-Colombes | Inflatable structures |
US3830519A (en) * | 1973-01-10 | 1974-08-20 | Allied Chem | Fiber reinforced inflatable restraining band for vehicles |
FR2229814A1 (fr) * | 1973-05-16 | 1974-12-13 | Superflexit | |
US4065889A (en) * | 1976-06-16 | 1978-01-03 | Air Tech Industries Inc. | Double wall fabric panel unit |
DE3712760A1 (de) * | 1987-04-15 | 1988-11-03 | Angelo Rota | Formverstellbarer tragkoerper |
JPH07173898A (ja) * | 1993-12-20 | 1995-07-11 | Mitsubishi Heavy Ind Ltd | 開閉屋根構造 |
US5735083A (en) * | 1995-04-21 | 1998-04-07 | Brown; Glen J. | Braided airbeam structure |
US5677023A (en) * | 1996-10-10 | 1997-10-14 | Brown; Glen J. | Reinforced fabric inflatable tube |
EP1210489B1 (fr) * | 2000-03-27 | 2005-07-13 | Airlight Limited (AG) | Element constitutif pneumatique |
CN1393611A (zh) * | 2001-06-25 | 2003-01-29 | 王践志 | 多腔复合内压超轻超强结构件及其制造方法 |
DE50201807D1 (de) * | 2001-07-20 | 2005-01-20 | Prospective Concepts Ag Glattb | Pneumatisches bau- oder brückenelement |
-
2004
- 2004-06-24 EP EP04738025A patent/EP1656483B1/fr not_active Expired - Lifetime
- 2004-06-24 PL PL04738025T patent/PL1656483T3/pl unknown
- 2004-06-24 CA CA2531918A patent/CA2531918C/fr not_active Expired - Fee Related
- 2004-06-24 CN CNB2004800206047A patent/CN100376756C/zh not_active Expired - Fee Related
- 2004-06-24 ES ES04738025T patent/ES2300782T3/es not_active Expired - Lifetime
- 2004-06-24 DE DE502004006268T patent/DE502004006268D1/de not_active Expired - Lifetime
- 2004-06-24 AU AU2004257321A patent/AU2004257321A1/en not_active Abandoned
- 2004-06-24 AT AT04738025T patent/ATE386856T1/de active
- 2004-06-24 US US10/562,100 patent/US20060273233A1/en not_active Abandoned
- 2004-06-24 JP JP2006520647A patent/JP4644668B2/ja not_active Expired - Fee Related
- 2004-06-24 WO PCT/CH2004/000384 patent/WO2005007991A1/fr active IP Right Grant
-
2006
- 2006-01-18 ZA ZA2006/00516A patent/ZA200600516B/en unknown
-
2007
- 2007-02-05 HK HK07101355A patent/HK1094461A1/xx not_active IP Right Cessation
-
2010
- 2010-12-13 AU AU2010249308A patent/AU2010249308B2/en not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2005007991A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1823204A (zh) | 2006-08-23 |
ES2300782T3 (es) | 2008-06-16 |
DE502004006268D1 (de) | 2008-04-03 |
WO2005007991A1 (fr) | 2005-01-27 |
CA2531918A1 (fr) | 2005-01-27 |
AU2010249308B2 (en) | 2011-08-04 |
ATE386856T1 (de) | 2008-03-15 |
CA2531918C (fr) | 2011-04-26 |
EP1656483B1 (fr) | 2008-02-20 |
HK1094461A1 (en) | 2007-03-30 |
JP2006528288A (ja) | 2006-12-14 |
JP4644668B2 (ja) | 2011-03-02 |
US20060273233A1 (en) | 2006-12-07 |
PL1656483T3 (pl) | 2008-06-30 |
CN100376756C (zh) | 2008-03-26 |
AU2004257321A1 (en) | 2005-01-27 |
ZA200600516B (en) | 2006-12-27 |
AU2010249308A1 (en) | 2011-01-06 |
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