EP0397893B1 - Coffrage pour éléments moulés de dimensions quelconques - Google Patents

Coffrage pour éléments moulés de dimensions quelconques Download PDF

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Publication number
EP0397893B1
EP0397893B1 EP89108460A EP89108460A EP0397893B1 EP 0397893 B1 EP0397893 B1 EP 0397893B1 EP 89108460 A EP89108460 A EP 89108460A EP 89108460 A EP89108460 A EP 89108460A EP 0397893 B1 EP0397893 B1 EP 0397893B1
Authority
EP
European Patent Office
Prior art keywords
frame
top frame
limb
shuttering
upper frame
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
EP89108460A
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German (de)
English (en)
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EP0397893A1 (fr
Inventor
Dittmar Dipl.-Ing. Ruffer
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to AT89108460T priority Critical patent/ATE101552T1/de
Priority to DE89108460T priority patent/DE58907003D1/de
Priority to EP89108460A priority patent/EP0397893B1/fr
Publication of EP0397893A1 publication Critical patent/EP0397893A1/fr
Application granted granted Critical
Publication of EP0397893B1 publication Critical patent/EP0397893B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/08—Moulds provided with means for tilting or inverting
    • B28B7/085—Moulds provided with means for tilting or inverting for making double wall panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article

Definitions

  • the invention relates to a formwork frame for the production of double-walled plates made of cast material, such as e.g. Concrete, with a lower frame and a matching upper frame, which are connected to each other by open joint parts, the upper frame being foldable onto the lower frame.
  • Formwork frames for the production of concrete slabs have become known in various designs. Short production times and quick adaptability to panels of different sizes or thicknesses are particularly important.
  • US-A-1,939,007 shows a formwork frame with a lower running rail which has a wide running surface and with an upper running rail which is arranged adjustable with respect to the lower running rail and whose running surface is stepped in relation to the running surface of the lower running rail. With such a construction, it is adaptable to different plate dimensions.
  • DE-A-2 250 686 shows a heatable production table for the production of concrete elements, in particular slabs, with a supporting structure consisting of longitudinal and cross members and a formwork sheet held thereon, on which molding wheels can be placed.
  • the hardening of the concrete is accelerated by specially arranged infrared emitters.
  • DE-A-1 584 397 shows a system for the flexible formation of formwork frames on metal tables, the walls consisting of metal profiles.
  • the system uses several tables and a drilling template with appropriate training and hole pattern arrangement in connection with fastening bolts.
  • FR-A-1.283.329 shows a formwork frame with adjustable crossbeams and frame parts as well as a hot water pipe arrangement to accelerate the hardening of the concrete.
  • the object of the present invention is to further develop the known formwork frames in such a way that the hardened plate in the upper frame is held securely in place when and after the upper frame is folded, preferably with concrete slabs of different thicknesses being poured into the upper frame can be.
  • the new frame also makes it possible to manufacture hollow concrete slabs with larger dimensions than was previously possible.
  • trapezoidal profiles running parallel to the frame sides can be fastened to the load on the upper frame to accommodate the load of the hardened component, in that a trapezoidal profile is fastened to an inside of the upper frame and engages with an edge thereof Base is supported on a ramp attached to the inside of the upper frame, the base of the trapezoid protruding beyond the plane spanned by the upper frame and bolted to the end face of a leg of an L-shaped part, which engages around the upper frame from the outside and with it second leg is wedged on a ramp provided on the outside of the upper frame in order to provide a pull and a holding force for the trapezoidal profile on the upper frame that is angled relative to the plane of the frame.
  • the above-mentioned object can also be achieved in that pipes running parallel to the upper frame sides for receiving the load of the hardened component can be fastened to the upper frame and along parallel, opposite outer sides of the upper frame, L-shaped rails with a horizontal horizontal leg attached to the frame and one free vertical legs are provided, with clamps being slidably arranged in the longitudinal direction on the L-profiles and having an L-shaped recess in which the L-profile rail can be accommodated with free space, wherein in a free space parallel to the horizontal leg of the L- Profile, a pipe end is receivable, while a wedge can be driven into a free space on the end face of the vertical L-leg.
  • the upper frame can be folded relatively slowly onto the lower frame with appropriate aids without fear that the cast concrete slab will come loose from the upper frame, since it is held securely on the upper frame by the trapezoidal profiles and / or the pipes becomes.
  • an exact positioning of the part cast in the upper frame relative to the part cast in the lower frame is also possible.
  • the distance between the concrete part of the upper frame and that of the subframe can be maintained and maintained until the concrete in the subframe has hardened, so that the reinforcement cast in both slabs holds the two slabs together and as a finished cavity wall part of its final use can be supplied.
  • the plate cast in this way a certain profile via these holding parts, especially on one or more outer edges with the aid of the trapezoidal profiles to be used according to the invention.
  • the thickness of the concrete slabs to be cast can also be set at the edge.
  • FIG. 1 to 11 show schematically the individual components of the formwork frame according to the invention and the folding of the frame parts and the spacer.
  • Figures 1 and 2 show a formwork frame in the opened state, which lies horizontally on a formwork table, not shown.
  • the upper frame 1 is shown in FIG. This consists of a closed frame 1, which can be subdivided according to the grid of the holes 5 by longitudinal cross members 6.
  • the longitudinal beam is placed on the holes according to the plate dimensions. This creates cross members 7 of different lengths.
  • An insulating or other heat or insulation layer 4 is expediently applied in the upper frame, as the sketch for FIG. 1 shows.
  • FIG. 2 shows the lower frame 2 of the formwork frame, which lies next to the upper frame according to FIG. 1 at the start of the production of the panels.
  • the upper frame 1 is connected to the lower frame 2 by swivel joints 3 or by open joint parts 21, 22, 24 (see FIGS. 8, 9, 11).
  • the lower frame 2 is dimensioned so that it fits congruently on the upper frame. It also has longitudinal cross members 6 and cross members 7 corresponding to the upper frame for dividing the frame interior in accordance with the grid of the holes 5. After the concrete (or another cast material) has hardened, the upper frame according to FIG. 1 is turned onto the lower frame according to FIG. 2. A special bracket according to Figure 11 is required.
  • FIG. 3 shows a trapezoidal profile 8 which can be fastened to an inside of the upper frame 1 for receiving the load of the hardened component (the plate) and at the same time serves to limit the shape of the part to be produced.
  • a rod angle profile 9 an L-shaped part, which surrounds the upper frame from the outside, is provided.
  • the base of the trapezoid protrudes beyond the plane spanned by the upper frame and is in the upper part by means of screws 10 with the head plate on the front side of the upper leg of part 9 connected.
  • In the vertical leg of part 9 there is a recess 12 with a wedge 13 at angle alpha, which cooperates with a ramp 11 provided on the outside of the upper frame.
  • a further slope formed from a holding magnet 31 and at least one plate made of steel 32, is attached, on which the lower edge of the base of the trapezoidal profile is supported.
  • the wedge 13 clamps the trapezoidal profile 8 to this further bevel via the part 9 and thus provides a holding force.
  • the holding magnet can receive and hold a plurality of plates 32.
  • the additional steel plates 32 change the thickness of the slope of the frame 1. This ensures that a second bore 33 is connected to the screw 10 and thus the profile can be changed by a certain step c. It is thereby achieved that the component which is normally installed with a thickness d is given a greater thickness by the dimension c.
  • the dimension c is chosen so that, depending on the thickness of the plates 32, the trapezoidal profile 8 produces a tight seal with the plates 32 when displaced by the dimension c. This is guaranteed and important for the trapezoidal profile in both positions.
  • FIG. 4 shows a frontal top view of the holder according to FIG. 3, namely from the side facing away from the trapezoidal profile (not shown).
  • the L-shaped part 9 is attached with its elongated head plate by means of screws 10 to the trapezoidal profile.
  • the vertical leg of the part 9 lies by means of the wedge 13 on the ramp 11 which is fastened to the upper frame 1.
  • the part 9 has a web in the middle that strikes the profile.
  • the profile can be slotted or go completely through. Both cases ensure the centering of the trapezoidal profile by the angle alpha according to FIG. 3.
  • FIG. 5 shows an additional holder by means of a bent or welded round steel 14. This round steel is guided by two tubular sleeves 15. Between the two tubular sleeves, a compression spring 17 with a ring 16 attached to the round steel is provided. Due to the pressure exerted by this spring 17, the horizontal mandrel of the round steel 14 is pressed through an opening in the top plate 18 of the trapezoidal profile 8.
  • the process for fastening the trapezoidal profile takes place in that the vertical mandrel is knocked out of the holder with a light hammer blow and in turn penetrates through the spring 17 into the opening of the head plate 18 of the trapezoidal profile 8.
  • a U-shaped open joint part 21 is attached to the upper frame 1 (which is shown in the rotated position) by means of screws 23.
  • the open counter-joint part 24 is attached to the subframe 2 by means of screws 25 (FIG. 11).
  • the joint is secured with the aid of bolts 22.
  • the open joint parts 21 and 24 ensure that the upper frame does not always have to be connected to the lower frame, but can also be stored in another place and can accommodate cast building material.
  • the open joint also allows any spatial arrangement of the two frames by other, correspondingly dimensioned joint parts 21, 24 are attached to the frame.
  • FIG. 11 which shows the joint in the active state
  • a precise mounting in the vertical direction is achieved for the production of precisely predetermined thicknesses of the components.
  • the upper frame is centered in the horizontal direction.
  • FIG. 10 shows an alternative construction for absorbing the load of the hardened component (when rotating the upper frame) by means of tubes 29 which are attached to the upper frame 1 and run parallel to the upper frame sides. The upper frame is shown rotated.
  • L-shaped rails 28 are provided along parallel opposite outer sides of the upper frame 1, with a horizontal leg attached to the upper frame 1 and a free vertical leg of the expansions.
  • locking clips 27 are arranged so as to be displaceable in the longitudinal direction, the L-profile virtually providing a rail.
  • These brackets 27 each have an L-shaped recess in which the respective L-profile rail 28 can be received with free space.
  • the locking clips 27 can therefore be connected by the wedge 30 to the tube 29 such that the tube can absorb loads from the rotation of the upper frame.
  • a corresponding surface design of the panels to be produced can be achieved if there is a desire for certain visible surfaces.
  • the formwork according to the invention also offers the possibility of using bevels, grooves or the like on the upper and / or lower formwork frame to achieve corresponding bevels, grooves or other profiles in the region of the outer edge of the two concrete shells of the double concrete slab to be produced, and at the same time to achieve easier removal (not shown).

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (8)

  1. Coffrage pour la fabrication, de plaques à double paroi en un matériau moulé, par exemple du béton, comportant un châssis inférieur (2) et, ajusté à celui-ci, un châssis supérieur (1), les deux châssis étant reliés l'un à l'autre par des éléments d'articulation ouverts (21, 22, 24), ledit châssis supérieur (1) pouvant être rabattu sur ledit châssis inférieur (2), caractérisé en ce que des profilés trapézoïdaux (8) s'étendant parallélement aux côtés du châssis supérieur peuvent être fixés sur ledit châssis supérieur (1) afin d'absorber la charge de l'élément de construction après durcissement, un profilé trapézoïdal (8) étant fixé sur un côté intérieur du châssis supérieur et s'appuyant par une arête de sa face de base sur une rampe (31, 32) fixée sur le côté intérieur de ce châssis supérieur, tandis que la face de base du trapèze fait saillie au-delà du plan déployé de ce châssis supérieur et est vissée, par des boulons (10) sur la face frontale d'une branche d'un élément (9) en forme de L, élément qui entoure le châssis supérieur (1) de l'extérieur et qui est claveté par sa deuxième branche sur une rampe (11) prévue sur le côté extérieur du châssis supérieur afin d'assurer sur la première branche, une traction et une force, déviée perpendiculairement par rapport au plan du châssis, qui maintient le profilé trapézoïdal (8) sur le châssis supérieur (1).
  2. Coffrage pour la fabrication de plaques à double paroi en une matière moulée, par exemple du béton, comportant un châssis inférieur (2) et, ajusté à celui-ci, un châssis supérieur (1), les deux châssis étant reliés l'un à l'autre par des éléments d'articulation ouverts (21, 22, 24), ledit châssis supérieur (1) pouvant être rabattu sur ledit châssis inférieur (2), caractérisé en ce que des tubes (29), s'étendant parallèlement aux côtés du châssis supérieur, peuvent être fixés sur ce châssis supérieur pour absorber la charge de l'élément de construction après durcissement et, en ce que sont prévus, le long de côtés extérieurs parallèles opposés du châssis supérieur (1) des rails profilés en L (28) comportant une branche horizontale fixée sur le coffrage (1) et une branche libre verticale, des agrafes (27) mobiles en direction longitudinale étant disposées sur lesdits profilés en L, ces agrafes présentant un évidement en forme de L dans lequel les rails profilés en L peuvent pénétrer en laissant un espace libre, espace libre dans lequel peut pénétrer une extrémité tubulaire parallèlement à la branche horizontale du profilé en L, tandis que dans un espace libre du côté frontal de la branche verticale du L, une cale (30) peut être enfoncée.
  3. Coffrage selon la revendication 1 ou 2, caractérisé en ce que, dans le châssis supérieur (1), est appliquée une couche (4) d'isolation thermique ou phonique.
  4. Coffrage selon l'une des revendications 1 à 3, caractérisé en ce que, aussi bien le châssis supérieur que le châssis inférieur (1, 2) peuvent être divisés par des traverses longitudinales et transversales (6, 7), compte tenu des dimensions exigées pour les plaques, la dimension de ces divisions étant déterminée par des rangées de trous correspondants pratiquées sur les côtés des châssis et sur les traverses.
  5. Coffrage selon la revendication 1 ou 3, 4, caractérisé par un élément de maintien supplémentaire du profilé trapézoïdal (8) sous la forme d'un boulon en équerre (14) dont une branche est guidée à l'intérieur de douilles tubulaires (15) et présente un collier (16) qui coopère avec un ressort de compression (17) de telle sorte que le ressort comprime cette branche dans un orifice (18) du profilé trapézoïdal (8) et en ce que, sur le châssis supérieur (1) est fixée une tôle (19) comportant un évidement (20) dans lequel il est possible d'enfoncer en frappant l'autre branche du boulon en équerre si l'on veut desserrer l'elément de maintien supplémentaire.
  6. Coffrage selon l'une des revendications 1 à 5, caractérisé en ce que les élements d'articulation (21, 24) sont fixés de manière interchangeable sur le châssis supérieur et sur le châssis inférieur (1, 2) au moyen de boulons (23, 25).
  7. Coffrage selon la revendication 6, caractérisé en ce que les éléments d'articulation (21, 24) sont réalisés sous la forme d'un profilé en U présentant des ouvertures différentes de telle sorte qu'à l'état assemblé des deux parties de châssis (1, 2), le profilé en U de l'élément d'articulation (21) du châssis supérieur (1) vient chevaucher le profilé en U de l'élément d'articulation (24) du châssis inférieur,
  8. Coffrage selon la revendicatioon 1 ou l'une des revendications 3 a 7, caractérisé en ce que la rampe fixée sur le côté intérieur du châssis supérieur (1) est constituée d'un aimant de maintien (31) et d'au moins une plaque en acier (32) placée de manière oblique, le nombre des plaques d'acier (32) définissant l'épaisseur des plaques à fabriquer.
EP89108460A 1989-05-11 1989-05-11 Coffrage pour éléments moulés de dimensions quelconques Expired - Lifetime EP0397893B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT89108460T ATE101552T1 (de) 1989-05-11 1989-05-11 Schalung fuer beliebige gussteile.
DE89108460T DE58907003D1 (de) 1989-05-11 1989-05-11 Schalung für beliebige Gussteile.
EP89108460A EP0397893B1 (fr) 1989-05-11 1989-05-11 Coffrage pour éléments moulés de dimensions quelconques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89108460A EP0397893B1 (fr) 1989-05-11 1989-05-11 Coffrage pour éléments moulés de dimensions quelconques

Publications (2)

Publication Number Publication Date
EP0397893A1 EP0397893A1 (fr) 1990-11-22
EP0397893B1 true EP0397893B1 (fr) 1994-02-16

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Family Applications (1)

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EP89108460A Expired - Lifetime EP0397893B1 (fr) 1989-05-11 1989-05-11 Coffrage pour éléments moulés de dimensions quelconques

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EP (1) EP0397893B1 (fr)
AT (1) ATE101552T1 (fr)
DE (1) DE58907003D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108748628A (zh) * 2018-06-04 2018-11-06 浙江交工集团股份有限公司 一种用于桥梁预制构件模板翻转的台座

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1939007A (en) * 1931-01-27 1933-12-12 John N Heltzel Adjustable concrete form
FR1283329A (fr) * 1960-12-23 1962-02-02 Entpr S Balency & Schuhl Sa De Moule pour la fabrication d'éléments facades en béton armé
DE1459279A1 (de) * 1961-11-18 1969-01-02 Heinrich Krog Bauunternehmung Schalung fuer vorgefertigte Massivbauten
DE1584397C3 (de) * 1964-07-15 1975-07-10 Van Egteren Industriele Constructiebeton Maatschappij N.V., Hasselt (Niederlande) Vorrichtung zum Aufbauen von Formen, insbesondere für Betonelemente, auf einem Metalltisch
AT322193B (de) * 1971-05-25 1975-05-12 Kaiser Decken Gmbh & Co Vorrichtung mit einem formteil für eine betonschicht
US3765641A (en) * 1971-09-29 1973-10-16 L Tumey Adjustable form lock
DE2250686C3 (de) * 1972-10-16 1982-05-06 Nickel & Eggeling, 4600 Dortmund Beheizbarer Fertigungstisch zur Herstellung von Betonelementen, insbesondere Betonplatten
FI51913C (fi) * 1976-04-21 1977-05-10 Paraisten Kalkki Oy Laitasalpasovitelma betonitasomuottia varten.
DE2945562A1 (de) * 1979-11-10 1981-05-21 Dittmar Dipl.-Ing. 6200 Wiesbaden Ruffer Schalung zur herstellung von hohlplatten

Also Published As

Publication number Publication date
DE58907003D1 (de) 1994-03-24
EP0397893A1 (fr) 1990-11-22
ATE101552T1 (de) 1994-03-15

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