EP0537403B1 - Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton - Google Patents

Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton Download PDF

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Publication number
EP0537403B1
EP0537403B1 EP91500113A EP91500113A EP0537403B1 EP 0537403 B1 EP0537403 B1 EP 0537403B1 EP 91500113 A EP91500113 A EP 91500113A EP 91500113 A EP91500113 A EP 91500113A EP 0537403 B1 EP0537403 B1 EP 0537403B1
Authority
EP
European Patent Office
Prior art keywords
tubular element
panels
beams
bolt
panel
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 - Lifetime
Application number
EP91500113A
Other languages
German (de)
English (en)
Other versions
EP0537403A1 (fr
Inventor
José Luis Ubinana Félix
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP91500113A priority Critical patent/EP0537403B1/fr
Priority to AT91500113T priority patent/ATE131898T1/de
Priority to ES91500113T priority patent/ES2084137T3/es
Priority to DE69115698T priority patent/DE69115698T2/de
Publication of EP0537403A1 publication Critical patent/EP0537403A1/fr
Application granted granted Critical
Publication of EP0537403B1 publication Critical patent/EP0537403B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the present invention refers to a device for the quick and removable clamping of flat panels for forming concrete structures.
  • the device brings many advantages on the heretofore known techniques and allows a substantial stiffening of the forming structures.
  • the bigger surfaces are built up on the construction sites by the assembly of a number of smaller modular panels.
  • the bigger forming surfaces or formworks are afterwards positioned in the appropriate place by means of a crane.
  • the attachment fixtures used for this end need from one side to obtain the maximum stiffness of the attached panel and in the other hand, it is convenient that the assembly process be fast and easy to carry out in order to obtain the best manpower economy.
  • attachment devices are known, which are to be considered as particular embodiments of the above mentioned attachment means, in which the gripping mutually opposed jaws have profiles to be more or less adapted to the beams of the panels to be attached and which tensioning is carried out aswell by means of an helical screw and lugged nuts to be manually operated.
  • a device for the connection and tensioning of panels for the moulding of concrete in which a tubular element is adapted to lay on respective transverse beams of two adjacent forming panels to be attached together, said tubular elements cooperating with a wedge structure which engages an upper transverse bolt of a swingeable structure constituted by two parallel plates connected by said upper bolt and a second intermediate bolt, which swingeable structure embraces one of the beams corresponding to one of the adjusted panels to be attached, engaging said parallel plates by their end with slanted sections of a beam constituting the frame of said panel, so that the beam constituting the frame of the opposed panel will be engaged by means of plates integral with said tubular element.
  • tubular element has U cross-section and an lengthwise slit in the face opposed to the beams of the panels in which slit the wedge structure may slide.
  • the wedge structure does not have the two successive slanted active surfaces for the engagement of the upper transvers bolt of the swingeable structure.
  • the document DE 3941937 discloses a beam suitable to compose the perimetral frame of forming panels to be attached together by a clamping device, the beam showing a V-formed groove for the engagement of the hooklike protusions of the plates of the swingeable structure.
  • said document does not disclose the tubular element with U cross-section and lengthwise slit, as well as the wedge structure and associated elements.
  • the objective of this invention is obtained by means of the device which constitutes the subject of the present Patent, which allows a very fast and easy assembly and disassembly of the forming panels, insuring as well a high stiffness of the assembly.
  • the device features simple wedge means which can be very easily operated and which allow, given their special design, an easy and safe handling of the device, preventing a high rate of wear of the same.
  • the device of the present invention comprises a support which has a cross-section in the form of an inverted U or rectangular tube having a lengthwise slit in which a wedge structure is assembled with capacity to move along the slit which guides the wedge structure in its movement.
  • Said wedge structure is capable of exerting pressure on an intermediate bridge which connects to parallel plates constituting a swivelling body in which said parallel plates are attached by means of two transverse bolts.
  • Said parallel plates have end sections having recesses which are capable of mating together with a part of the cross-section of the beams constituting the lateral frames of two adjacent forming panels to be attached.
  • the attachment of a forming panel to the adjacent panel to constitute a bigger forming structure is obtained by the displacement of the wedge structure by percussion.
  • the wedge structure moves on the guiding slit exerting an effort on the swingable structure which adapts with a high force against the beams constituting the frame of the panel to be attached, pushing such panel against the adjacent panel which is clamped by means of plates which are integral with the device.
  • said swingable structure consisting of the two parallel plates connected by transverse bolts
  • said swingable structure consisting of the two parallel plates connected by transverse bolts
  • Said lateral openings receive one of the transverse bolts of the swingable structure, and they feature on its upper border multiple undulations or saw teeth formations or protrusions of any other having sides which show a certain inclination, on which inclined sides said transverse bolt will act when tensioned by means of the wedge structure.
  • Figures 1 and 2 correspond respectively to an upper view of two mutually attached concrete forming panels and to a cross-section through II-II of figure 1.
  • Figure 3 shows a pictorial view of a clamping device according to the present invention.
  • Figure 4 corresponds to a cross-section of the clamping device, shown to attach two concrete forming panels.
  • Figure 5 is an upper view corresponding to figure 4.
  • Figure 6 and 7 show cross-sections of the clamping device through planes VI-VI and VII-VII shown in figure 4.
  • Figures 8 and 9 show corresponding views of the lateral elongated openings of the U support which receives one of the transverse bolts of the swingable structure.
  • Figures 10 and 11 show two examples of eventual embodiments of the cross-sections of the beams constituting the frames for the forming panels.
  • Figures 12, 13, 14 and 15 show respective successive tensioning steps of the swingable structure of the clamping device of the present invention, starting from the loosened initial position, going through the stage in which the swingable structure climbs on the steeper part of the wedge, up to the tensioning stage which corresponds to the section in which the wedge structure shows a lower inclination, ending in the final attachment position.
  • Figure 16 shows the relative positions occupied by the two transverse bolts of the swingable structure in relation with the lateral edges of the protrusion formed in the lateral openings of the rectangular support and the relative position of the effort bearing section on the frame forming beam, showing the vectors corresponding to the intervening forces.
  • two adjacent concrete forming panels 1 and 2 are positioned adjacent to each other, on perimetral beams -3- and -4- constituting a part of the frames of such panels, attached by clamping means, in a variable number, as those shown with reference numerals -5- and -6- in figure 1.
  • the clamping device comprises a U section beam -7- which has a straight slit -8-extending lengthwise on one of the faces -9- of the beam and which is capable of receiving a movable wedge structure -10- to be guided on said slit and which has an upper face -11- with two successive inclined surfaces.
  • the device will be completed by means of a swingable structure which comprises two symmetrically arranged side plates -12- and -13- which are attached by means of bolts -14- and -29-.
  • the swingable structure may rotate on said bolts and it is arranged in a form that the side plates will embrace the side faces of the U element - 7- and at the same time the corresponding side faces of beam -15- of one of the panels -1- to be attached.
  • the clamping device has at the same time two side plates such as -17-, figure 3, integral with the lateral faces of beam -7-, having end hooks -18- which may adapt to side beam -22- of one of the panels -2- to be attached.
  • Site plates -12- and -13- have intermediate recesses -19- which shape allows the mating, with a certain play, with the perimetral beam -20- of forming panel -1- to be attached.
  • the ends -18-of plate -17- are capable of entering into recesses -21-of beam -22- of the other adjacent panel -2 to be attached.
  • Component forces -27- and -27' - compress adjacent panels -1- and -2- together and component forces -26- and -26'-compress said panels against the support -7-, stiffening the assembly.
  • the side elongated openings -31- may adopt the form shown in figure 8, with an undulated upper edge, or alternatively the form shown in figure 9, which consists of a curved section -30- at one of the ends of the openings of any such form that generally may allow to have an intermediate angled section in such side openings -31- to obtain an additional force which may be represented by a vector directed in the sense of closing the clamping device.
  • a series of forming panels may be assembled together and in case that the overall dimensions of the surface to be composed do not correspond to a multiple of the width of one panel, recourse will be taken to complementary elements to be inserted between said panels.
  • the undulated edge -31- in the example of figure 8 shows in its upper border a number of substantially semi-circular recesses and protrusions respectively -33- and -32- so that transverse bolt -29- may lodge itself within any of said recesses -33- depending on the width on which the present clamping device must be used, which will change according to the width defined by the forming panels and the eventual complementary elements to be used in case that the total width is not a multiple of the width of the individual forming panels.
  • the bolt -29- of the swingable structure will climb placing itself in the vicinity of one of the recesses -33- of the upper border of the opening.
  • the bolt -29- will lodge itself in one of the recesses -33-and the swingable structure constituted by elements -12-, -13, -14- and -29- will rotate on bolt -29- compressing its end portion -23- on the ramp -24- of the beam -20- generating a force which has been represented by vector -25- and by effect of the reaction, the same force will be exerted on beam -22- of adjacent plate -2- as previously stated.
  • the bolt -29- will place itself in the curved section which is closer to its position.
  • the opening -28- will have only one recess -30- for receiving the bolt -29- as shown in figure 9.
  • Figures 12, 13, 14, and 15 show some successive stages of the clamping of the device
  • the first of such figures shows the loose or tensionless situation of the device in which the swingable structure rests by the transverse bolts -14 and -29- respectively, on the flat end surface of wedge -11- and on lower border of opening -31-.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (6)

  1. Dispositif (5, 6) pour la fixation rapide de panneaux (1, 2) pour des structures de coffrage en béton,
    - ce dispositif comprenant un élément tubulaire (7) apte à recouvrir des poutres transversales respectives (3, 4) de deux panneaux de coffrage contigus (1, 2) à fixer ensemble,
    - cet élément tubulaire (7) coopérant avec une structure en coin (10) qui s'engage avec un boulon transversal supérieur (14) d'une structure basculante constituée par deux plaques parallèles (12, 13) raccordées par le boulon supérieur (14) et un second boulon intermédiaire (29),
    - cette structure basculante enserrant l'une des traverses correspondant à l'un (1) des panneaux contigus à fixer, les plaques parallèles (12, 13) étant prévues pour coopérer par l'une de leurs extrémités avec les sections biseautées (11) d'une traverse constituant le châssis de ce panneau (1),
    tandis que
    - la traverse constituant le châssis du panneau opposé (2) à fixer coopérera à l'aide de plaques (17) qui sont solidaires de l'élément tubulaire (7),
    caractérisé
    - en ce que l'élément tubulaire (7) a une coupe transversale en U,
    - en ce que l'élément tubulaire (7) a une fente longitudinale (8) dans la face (9) opposée aux traverses (3, 2) des panneaux (1, 2), fente (8) dans laquelle la structure en coin (10) peut coulisser,
    et
    - en ce que la structure en coin (10) présente deux surfaces actives successives biseautées (11) coopérant avec le boulon transversal supérieur (14) de la structure basculante.
  2. Dispositif selon la revendication 1, caractérisé en ce que chacune des plaques parallèles (12, 13) constituant la structure basculante présente une saillie d'extrémité en forme de crochet (23) coopérant avec la traverse (3) constituant le châssis de l'un des panneaux contigus (1) à fixer, laquelle structure basculante sous l'effet de la structure de coin coulissant (10) peut tourner sur l'un des deux boulons de raccordement, produisant une force d'engagement entre la structure basculante et la traverse (3).
  3. Dispositif selon la revendication 2, caractérisé en ce que la surface qui reçoit les efforts de compression dans la partie en saillie (23) des plaques latérales (12, 13) de la structure basculante et la poutre (20) correspondant au châssis de la plaque de coffrage (1) présente une certaine inclinaison pour produire un effort décomposé en une première composante (27) dirigée vers le panneau opposé et une seconde composante perpendiculaire.
  4. Dispositif selon la revendication 1, caractérisé en ce que l'élément tubulaire (7) de coupe transversale en U présente deux plaques solidaires (17) qui font saillie vers le côté de l'élément tubulaire opposé à la fente de guidage (8), aboutissant dans des saillies correspondantes en forme de crochets (18) qui peuvent s'engager, sous une force de réaction produite par l'action de coin de la structure basculante, avec l'une des traverses (20) du châssis faisant partie du panneau contigu en section de raccordement (21) de l'une des traverses (22) correspondant au panneau de coffrage opposé (2), à fixer par le dispositif.
  5. Dispositif selon la revendication 1, caractérisé par des ouvertures allongées (31) sur les surfaces latérales de l'élément tubulaire (7) avec une section en coupe transversale en U, ouvertures allongées dans lesquelles le boulon intermédiaire (29) de la structure basculante peut coulisser, les bords supérieurs de ces ouvertures ayant un certain nombre d'évidements (33) et des saillies qui constituent des surfaces biseautées destinées à recevoir le boulon intermédiaire (29) lorsque le dispositif de fixation doit être serré.
  6. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les ouvertures allongées (28) de l'élément tubulaire (7) avec la section transversale en forme de U ont leur bord supérieur directement sur la majeure partie de la longueur, présentant un évidement courbe unique dans l'une des extrémités.
EP91500113A 1991-10-15 1991-10-15 Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton Expired - Lifetime EP0537403B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP91500113A EP0537403B1 (fr) 1991-10-15 1991-10-15 Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton
AT91500113T ATE131898T1 (de) 1991-10-15 1991-10-15 Vorrichtung zur schnellverbindung von schalungspanelen für betonkonstruktionen
ES91500113T ES2084137T3 (es) 1991-10-15 1991-10-15 Dispositivo para la sujecion rapida de paneles para la construccion de estructuras de hormigon.
DE69115698T DE69115698T2 (de) 1991-10-15 1991-10-15 Vorrichtung zur Schnellverbindung von Schalungspanelen für Betonkonstruktionen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91500113A EP0537403B1 (fr) 1991-10-15 1991-10-15 Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton

Publications (2)

Publication Number Publication Date
EP0537403A1 EP0537403A1 (fr) 1993-04-21
EP0537403B1 true EP0537403B1 (fr) 1995-12-20

Family

ID=8208750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91500113A Expired - Lifetime EP0537403B1 (fr) 1991-10-15 1991-10-15 Dispositif pour la fixation rapide de panneaux de coffrage de structures en béton

Country Status (4)

Country Link
EP (1) EP0537403B1 (fr)
AT (1) ATE131898T1 (fr)
DE (1) DE69115698T2 (fr)
ES (1) ES2084137T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9201473D0 (en) * 1992-01-23 1992-03-11 Boulton Plc Improvements in or relating to a panel clamp
DE4401794C2 (de) * 1994-01-22 1997-07-03 Maier G Paschal Werk Klammer zum Verbinden von Schaltafeln mit deren Randprofile zusammendrückenden Spannbacken
DE19629660C1 (de) * 1996-07-23 1997-11-20 Maier G Paschal Werk Klammer mit Spannbacken und einem diese verbindenden Träger
HU2427U (en) 2000-02-24 2002-11-28 Bauma S A A lock for connecting boarding plates
DE10331359B4 (de) 2003-07-11 2010-07-15 Peri Gmbh Spannschlossvorrichtung mit schräg geführtem Keil
EP3626910A4 (fr) * 2017-05-15 2020-12-09 Sistemas Técnicos De Encofrados, S.A. Panneau pour coffrage et système de coffrage comprenant ledit panneau
CN108824807B (zh) * 2018-06-27 2019-09-17 广州市艺达机械有限公司 一种建筑用模板连接夹扣

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609498A1 (de) * 1985-12-20 1987-09-24 Steidle Gmbh & Co Emil Betonschalung
DE8622358U1 (de) * 1986-08-21 1987-12-17 Emil Steidle Gmbh & Co, 7480 Sigmaringen Vorrichtung zum Verbinden zweier Schalungselemente
ATE78314T1 (de) * 1987-08-26 1992-08-15 Hollmann Niels Rahmenschalungs-verbindungsschloss.
DE3844094A1 (de) * 1988-12-28 1990-07-05 Huennebeck Roero Gmbh Richtzwinge fuer schalungssysteme
DE3920630A1 (de) * 1989-06-23 1991-01-31 Hollmann Niels Rahmenschalungs-verbindungsschloss
DE3941937A1 (de) * 1989-12-19 1991-06-27 Oesterr Doka Schalung Spannschloss zum verbinden von rahmen-schalungselementen
DE4007950C2 (de) * 1990-03-13 1994-04-14 Thyssen Huennebeck Gmbh Vorrichtung zum Verbinden und Verspannen von Schaltafeln

Also Published As

Publication number Publication date
EP0537403A1 (fr) 1993-04-21
ES2084137T3 (es) 1996-05-01
DE69115698T2 (de) 1996-08-01
ATE131898T1 (de) 1996-01-15
DE69115698D1 (de) 1996-02-01

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