EP0053582B1 - System einer Modul-Konstruktion aus Gelenken und Stäben für räumliche Fachwerke - Google Patents

System einer Modul-Konstruktion aus Gelenken und Stäben für räumliche Fachwerke Download PDF

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Publication number
EP0053582B1
EP0053582B1 EP81830116A EP81830116A EP0053582B1 EP 0053582 B1 EP0053582 B1 EP 0053582B1 EP 81830116 A EP81830116 A EP 81830116A EP 81830116 A EP81830116 A EP 81830116A EP 0053582 B1 EP0053582 B1 EP 0053582B1
Authority
EP
European Patent Office
Prior art keywords
shafts
spheres
introduction
caps
converge
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.)
Expired
Application number
EP81830116A
Other languages
English (en)
French (fr)
Other versions
EP0053582A1 (de
Inventor
Ettore Ventrella
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT81830116T priority Critical patent/ATE32761T1/de
Priority to US06/362,971 priority patent/US4480418A/en
Publication of EP0053582A1 publication Critical patent/EP0053582A1/de
Application granted granted Critical
Publication of EP0053582B1 publication Critical patent/EP0053582B1/de
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/1966—Formlocking connections other than screw connections
    • E04B2001/1969—Ball and socket type connection
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1981—Three-dimensional [3D] framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional [3D] framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1981—Three-dimensional [3D] framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1987—Three-dimensional [3D] framework structures characterised by the grid type of the outer planes of the framework triangular grid

Definitions

  • the invention relates to a joint for three-dimensional structures with spatial grids, of geometric pyramidal and tetrahedral base module, composed by two caps of variable thickness, hemispherical, hollow and symmetrical, fundamental object of the patent, which, joined together by a central bolt which crosses them, enclose the spherical ends of twelve shafts, by means of four large orthogonal slits between them and four semi-circular holes also arranged orthogonally, which are placed in each of the two caps.
  • Spatial reticular structures with a pyramidal and tetrahedral base module are very specific structures. They are composed by a multiplicity of joints and stems and are characterized by the convergence, in each joint, of twelve stems, four of which lie on the same horizontal plane by forming square grids, and eight direct oblique in all directions, four for each part of space defined by the horizontal stems.
  • Patent DE-A-2 815 243 is composed by two flat plates (1) which, by means of the cavities (3) enclose the spherical ends of the stems (8), by means of a central bolt (5). This system allows the assembly of a maximum of six stems which are all arranged on the same plane. The plate (1) therefore only allows the production of two-dimensional flat structures.
  • the patent DE-A-2520510 is formed by two symmetrical parts (14) and by a central part (12), which, by means of a central bolt (24) allow the introduction of ten converging stems , but all perpendicular to each other.
  • This system only allows the creation of orthogonal structures with a right cubic base module.
  • the shaft traction yields are not sufficiently absorbed by the two parts, and even by changing their thickness, it is not possible to balance these forces when are high. Indeed, by increasing the thickness of the plates of DE-A-2 815 243, there is no advantage in preventing the exit of the spheres outside the cavities (3) when there are greater tensile forces.
  • the traction efficiency of the shaft is absorbed only from the flares (18), (20), (22) of the knot, independently of the thickness of the elements (14) and ( 12) which make up the joint.
  • the aim of the present invention is the production of large three-dimensional spatial structures with a pyramidal and tetrahedral base module, formed by joints where twelve poles converge at the same time: four direct in a horizontal plane, and eight direct in all directions in the 'space.
  • This geometric configuration is impossible to achieve by the two cited patents, even in their combination.
  • Another object of the present invention is to balance the traction yields by varying the thickness of the cap, so that all the forces are easily absorbed by the joint.
  • the present invention solves the problem of achieving the convergence of twelve direct rods in all directions in space, by means of the particular shape of the hemispherical and hollow cap, and of the slots which allow the introduction of the rods. At the same time the traction forces of the poles are absorbed by the cap which can vary its own thickness without altering the internal mechanism of the knot.
  • the advantages obtained thanks to this invention essentially consist in making spatial reticular structures with a pyramidal and tetrahedral base module, where, in all the nodes, they converge twelve shafts, supplied with a ball for each of their ends, assembled by means of '' a central bolt, where the tensile forces are absorbed by the thickness of the cap and by external ribs.
  • the knot is, from the static point of view, a hinge, and that allows the introduction of stems of different length in the same structure, by realizing all the forms either curved, or plane, in space.
  • FIG. 1 represents the geometrical diagrams achievable in accordance with the present invention, and the pyramidal and tetrahedral basic module composed by nodes in which they converge twelve shafts.
  • Figure 2 shows the plans and sections of the cap, object of this patent, of which the seal is composed.
  • FIG. 3 shows the stems that make up the joint, in accordance with the present invention.
  • Figure 4 shows the overview in axonometry and the assembly of parts.
  • the figures represent the geometrical diagrams and a joint for spatial reticular structures with pyramidal and tetrahedral basic module.
  • the joint (fig. 2) assembles 12 stems (fig. 4) and is essentially composed by two hollow, symmetrical hemispherical caps, endowed with four large slots 4 orthogonal to each other, and four semi-circular holes 5 also arranged orthogonally; the slots 4 are used for the introduction of the spherical ends of the oblique shafts, the semi-circular holes 5 are used for the introduction of the spherical ends of the horizontal shafts.
  • the caps are assembled by bolt 1 (fig.
  • the sub-mentioned slots 4 and the holes 5 allow easy introduction of the spheres 9, and the following rotation of them after blocking.
  • the cap shown in fig. 2 and fig. 4 is provided externally with ribs 6 to absorb the tensile forces of the poles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Tents Or Canopies (AREA)

Claims (2)

1. Gelenstueck fuer rechteckige-raeumliche, geometrische Modulkonstruktionen im Pyramiden- und Tetraederform (Abb. 1), in denen Staebe mit kugelfoermigen Endteilen zusammenlaufen, die in alle raeumlichen Richtungen ausgehen. Die Gelenkstuecke bestehen aus zwei durch eine zentrale Bolzenschraube zusammengefuegten Teilen, zwei Kalotten (Abb. 2) von variabler Staerke, die kugelfoermig, und hohl sind. In ihnen konvergieren 12 Staebe 7 (Abb. 3), die mit einer Kugelendung (9), die auf einem Verbindungsstueck (8) sitzt, versehen sind. Vier dieser Staebe liegen horizontal, acht schraeg. Das Gelenk ist weiter gekennzeichnet durch vier grosse, untereinander rechtwinklige Oeffnungsschlitze (4), die der Einfuegung der Kugelendungen der schraeg verlaufenden Staebe dienen, sowie durch 4 halbrunde Lochoeffnungen (5), die ihrerseits der Einfuegung der Kugelendungen der vier horizontal verlaufenden Staebe dienen. Das Ganze ist in einer Weise konstruiert, dass die zentrale Bolzenschraube (1), die durch das zentrale Loch (2) der Kalotte geschraubt wird, die Kugelendungen der Staebe beruehrt und jene gleichzeitig die innere, halbkugelfoermige Oberflaeche der beiden Kalotten beruehren. Letzteres wird dadurch bewirkt, dass sie durch die Einfuegung der kugelfoermigen Stabendungen durch die Oeffnungsschlitze (4) und (5) zusammengefuegt werden, was die Rotation in alle raemliche Richtungen nach der Fixierung des Gelenkstueckes gewaehrt.
2. Patentanspruch 1 entsprechendes Gelenkstueck, das durch die aeussere Verstaerkungsrippe (6) gekennzeichnet ist, deren Zweck es ist, die Zugkraefte der Staebe (7) auf der Oberflaeche der Kalotte aufzufangen.
EP81830116A 1980-12-03 1981-07-14 System einer Modul-Konstruktion aus Gelenken und Stäben für räumliche Fachwerke Expired EP0053582B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT81830116T ATE32761T1 (de) 1980-12-03 1981-07-14 System einer modul-konstruktion aus gelenken und staeben fuer raeumliche fachwerke.
US06/362,971 US4480418A (en) 1981-07-14 1982-03-29 Modular system for space grid structures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8040454A IT1209778B (it) 1980-12-03 1980-12-03 Sistema costruttivo modulare composto da giunti ed aste per strutture reticolari spaziali
IT4045480 1980-12-03

Publications (2)

Publication Number Publication Date
EP0053582A1 EP0053582A1 (de) 1982-06-09
EP0053582B1 true EP0053582B1 (de) 1988-03-02

Family

ID=11249848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81830116A Expired EP0053582B1 (de) 1980-12-03 1981-07-14 System einer Modul-Konstruktion aus Gelenken und Stäben für räumliche Fachwerke

Country Status (4)

Country Link
EP (1) EP0053582B1 (de)
AT (1) ATE32761T1 (de)
DE (1) DE3176669D1 (de)
IT (1) IT1209778B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8405432L (sv) * 1983-11-09 1985-05-10 Dymet Dimensions Koppling for stellningar och liknande
GB8330122D0 (en) * 1983-11-11 1983-12-21 Stephenson C J S Connector for framework structure
FR2566851B1 (fr) * 1984-06-29 1986-12-26 Technal France Ensemble formant noeud d'assemblage universel pour une structure tridimensionnelle
CH668104A5 (de) * 1984-11-28 1988-11-30 Paul H Hirzel Verbindungsanordnung fuer streben.
EP0267914A4 (de) * 1985-08-16 1989-01-24 Garry Randall Hart Einstellbare räumliche gestelle.
DE8712119U1 (de) * 1987-09-07 1987-10-29 Lüdemann & Co Werkstätten für Messestände, 2000 Norderstedt Knotenelement zur Verbindung von Stabelementen
GB8825597D0 (en) * 1988-11-02 1988-12-07 Universal Components Beam clamp assembly for conservatories
HU205437B (en) * 1989-03-03 1992-04-28 Laszlo Horvath Space-limiting structure particularly for establishing exhibition premises and similars
IT1260770B (it) * 1992-12-10 1996-04-22 Ettore Ventrella Giunto per strutture tridimensionali reticolari
GB2300240A (en) * 1995-04-25 1996-10-30 Bailey Ralph Peter Steven Constructional system
WO1998040579A1 (de) 1997-03-11 1998-09-17 Haesler Peter Fachwerkträger
ES2168982B1 (es) * 2000-08-23 2003-11-01 Riccardo Marzullo Elemento modular para la creacion de estructuras geometricas tridimensionales.
DE102007014833A1 (de) * 2006-11-30 2008-06-05 Technische Universität Dresden Freitragendes Glasdach als Raumfachwerk
CN105986620A (zh) * 2016-07-01 2016-10-05 天津大学 铝合金焊接空心球节点
CN113883337B (zh) * 2021-09-26 2023-03-24 山东华尔泰建筑工程有限公司 一种应用于单层球形网架钢结构车间的消防管道架设机构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1459963A1 (de) * 1964-05-20 1969-10-23 Willi Herold Knotenstuecke fuer Flaechen- oder Raumgitterwerke
DE2520510A1 (de) * 1975-05-07 1976-11-18 Otto Baessler Verbindungs-knotenstueck
DE2815243A1 (de) * 1978-04-08 1979-10-11 Ernst Ing Grad Sander Schalentragwerk aus knotenpunktverbindungen und tragwerksstaeben sowie verfahren zur errichtung desselben
DE2913703A1 (de) * 1979-04-05 1980-10-16 Vki Rheinhold & Mahla Gmbh Raeumliches netzwerk

Also Published As

Publication number Publication date
IT8040454A0 (it) 1980-12-03
EP0053582A1 (de) 1982-06-09
ATE32761T1 (de) 1988-03-15
IT1209778B (it) 1989-08-30
DE3176669D1 (en) 1988-04-07

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