WO2000019038A1 - Recoverable formwork system - Google Patents

Recoverable formwork system Download PDF

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Publication number
WO2000019038A1
WO2000019038A1 PCT/ES1999/000306 ES9900306W WO0019038A1 WO 2000019038 A1 WO2000019038 A1 WO 2000019038A1 ES 9900306 W ES9900306 W ES 9900306W WO 0019038 A1 WO0019038 A1 WO 0019038A1
Authority
WO
WIPO (PCT)
Prior art keywords
constituting
formwork
piece
trusses
truss
Prior art date
Application number
PCT/ES1999/000306
Other languages
Spanish (es)
French (fr)
Inventor
Francisco Javier Lopez Pingarron
Original Assignee
Lopez Pingarron Francisco Javi
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 Lopez Pingarron Francisco Javi filed Critical Lopez Pingarron Francisco Javi
Priority to AU59849/99A priority Critical patent/AU5984999A/en
Priority to EP99969763A priority patent/EP1059402A1/en
Publication of WO2000019038A1 publication Critical patent/WO2000019038A1/en

Links

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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E04G11/52—Girders, beams, or the like as supporting members for forms of several units arranged one after another
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E04G11/54—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like
    • E04G11/56—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like of telescopic type

Definitions

  • the present specification refers to a recoverable formwork system, whose obvious purpose is to achieve the formwork of a plant of a building or construction of any nature, using in this system a plurality of pieces of differentiated application, all designed to act in collaboration with each other, all the parts being recoverable and reusable subsequently, regardless of the characteristics of performing the formwork operations in an appropriate manner and contemplating all the required safety measures, it presents the quality of the formwork being carried out. in a substantial way quickly, which leads to a saving in labor found as of great relevance, which together with the safety and recovery characteristics of the material used, gives the system its own characteristics.
  • This invention has its application within the industry dedicated to the manufacture of apparatus, devices and auxiliary elements for construction.
  • the system of recoverable formwork that the invention proposes is configured by itself as a sensitive novelty within its specific field of application, by bringing together in its context all the characteristics that have been previously indicated as suitable, among which the speed stands out and security of the same, implemented by the simplicity of assembly.
  • the recoverable formwork system object of the invention is constituted from a plurality of pieces made of metallic material, whose outer surface is fined in order to protect the nature of the material used, first using a piece substantially elongated prismatic configuration, specifically a parallelepiped, which has on its side faces of greater width and identical length than the upper and lower faces, two perforation alignments located at both ends, there is a completely smooth area in the center, providing the lower face and at points near its ends of cylindrical pronunciations, intended to be used as anchor points to the struts, and being constituted by tubes welded to the piece in question.
  • a piece substantially elongated prismatic configuration specifically a parallelepiped, which has on its side faces of greater width and identical length than the upper and lower faces, two perforation alignments located at both ends, there is a completely smooth area in the center, providing the lower face and at points near its ends of cylindrical pronunciations, intended to be used as anchor points to the struts, and being constituted by tubes welded to the piece in question.
  • trusses or formwork strips will be used, designed to support and align the slab, which are configured as elongated parts also made of metallic material, which in their upper part incorporate a configured safety device by the existence in one of its ends of a plate welded in the internal part, specifically in the internal part of one end of the truss, which has the mission of preventing this truss from separating or separating from the adjacent truss set below .
  • a second plate is located in the opposite direction to that mentioned above, since the first one is placed in a horizontal position and the second is in a vertical position, which has a bolt on one of its faces or emergent cylindrical element, intended to be used as an anchor nexus or union to the truss that is located next, this assembly being repeated successively for the union of the aligned trusses.
  • the truss has a transverse perforation at the opposite end to the one provided with the emerging plates, intended to allow the introduction, anchoring and adjustment of the vertical pin of the vertical plate, and in the lower part there are three emergent cylindrical pronouncements vertically positioned in parallel, intended to be used as anchors to the struts, these emerging elements are configured as welded tubes to the truss in question.
  • the system uses truss fasteners provided with safety means in order to prevent the formwork from overturning, this part being constituted as an elongated body configured as a rectangular prism that presents in the lower part pronunciations intended to be used as anchoring links to the struts, constituted as welded tubes, and at the ends two strips positioned transversely and vertically, which in collaboration with two emerging tubes to the points near the transverse plates constitute a guide where the trusses are anchored.
  • the invention has an anchoring part of the trusses, constitutive of the fundamental part of the system, intended to be used as a fastening of the trusses to the pillars, being configured as a rectangular prismatic body of vertically positioned rectangular plant, which has on its faces verticals greater than the horizontal ones, with two alignments of perforations located at the ends, which in collaboration with bolts that act as pins that will be incorporated in their holes obviously depending on the size of each pillar, and having the relevant keys that prevent the exit of the bolts of the holes, generate the union of this piece of anchorage to the top of the pillars.
  • the system has a piece for the adjustment and fastening of the boards, constitutive of the formwork recuperator, which has the mission of preventing the mobilization or sliding of the boards that is configured as a substantially elongated body, on which a second is attached body of similar width but of greater length, at whose ends two transversely positioned plates are fixed, and emerging from the lower part of the larger piece a pronunciation for anchoring to the struts, passing the trusses through the hollow ends of the constituent part of the recuperator, in particular by the lower part of the ends of the upper part fixed by welding.
  • the invention also features a 180 ° rotating part, intended to be used as a connection start with the beams and the rails, which has a piece of appropriate length, which takes the form of a "U", which has on its side external of a screw with wide threaded head to its surface, in order to adjust and immobilize the truss attached inside, obviously coupled in the pipe described as a piece that takes the form of a "U”, being fixed to a second piece hollow from which emerges at one of its ends a rotating wheel with a pin, in order to obtain the required direction and presenting in the hollow tubular body, a perforation for its union to the truss, emerging from the lower part of the piece that it takes the form of a "U” smile that matches the truss, a cylindrical pronunciation that acts as an anchor to the pillar, and providing the surface of the rotating area, of a vertical perforation for the introduction I n a bolt by which the fixed requested address.
  • a piece of appropriate length which takes the form of a "U
  • a piece is provided that has a body similarly in the upper part like a "U", under which a transverse plate is fixed , from which emerges in its upper face a bolt for anchoring to the constitutive part of the telescopic or extensible extension, presenting a screw for fixing and adjusting the truss on the body that acts as a receiving bed thereof, and in the lower part of the welded plate, a cylindrical pronunciation intended to be used as an anchor to the struts.
  • Telescopic or exten ⁇ ible truss is configured as a hollow body inside which is introduced a similar body dimensions more reduced and length substantially identical, which in collaboration with an orifice located at r one end, allows the anchorage or fixation of the extension piece of the extensible extension described above, and also has the pronunciations in the lower part for anchoring to the struts.
  • the invention is implemented with a piece constituting a beam end stop, which is intended to be used as an actuating brake on the last board, presenting the general configuration of a piece that takes the form of an inverted "U", whose arms or vertical elements have different lengths, the internal area acting as a truss channel, and having a screw of adjustment of the same.
  • Figure number 1 Shows a perspective view of a formwork constituted in accordance with the object of the invention, relating to a recoverable formwork system, fixed on the support elements configured as columns or pillars, the corresponding struts having also been represented. , which will be removed once the regulatory time has passed, keeping only the safety or central struts, which are attached to the lower part of the formwork recuperator represented in figure number 8.
  • Figure number 2. Shows the piece of formwork start that is fixed or anchored to the pillars.
  • Figure number 3. Corresponds to a view of the truss or formwork strip.
  • Figure number 4. Corresponds to a view by A of the object represented in figure number 4, in particular of the fixing or safety elements incorporated in the truss for its union with another similarly aligned piece.
  • Figure number 5. Shows the object represented in figure number 4 seen on the opposite side, coupled to the end of a similar piece.
  • Figure number 6. Represents the truss support piece that acts at the same time as a safety element that prevents the formwork from overturning.
  • Figure number 7. Corresponds to the anchoring piece of the trusses and the formwork to the top of the pillars.
  • Figure number 8.- Shows the constituent part of the formwork recuperator mentioned in figure number 1.
  • Figure number 9. Shows a view of the 180 ° rotating part, which allows the start of the connection of beams and straps.
  • Figure number 10. Represents the object shown in figure number 9 seen on the opposite side.
  • Figure number 11. Corresponds to the termination piece for the extensible extension shown in figure number 13.
  • Figure number 12.- Reflects the constituent part of the end stop of the beam or brake of the last board.
  • Figure number 13 Finally represents a view of the telescopic or extensible truss, which acts as an extension.
  • the recoverable formwork system that is recommended is constituted from a series of pieces made of metallic material, referenced with (1), (10), (20), (30) , (40), (50), (60), (70) Y (80), which in collaboration with the struts (90) manage to be fixed on the pillars (100), configuring the recoverable formwork, being formed all constituent parts of the system by pieces of metallic material, protected externally by finishing.
  • the recoverable formwork system used a piece (1) intended to be used as the formwork starter piece that is anchored to the pillar (100), being formed by a rectangular plant body of material metallic (2), which has two perforation alignments on the surface of its lateral faces (3) and
  • the body (2) has two tubular pronunciations (4) and (4 ') located vertically, which are positioned and fixed by welding at points close to the ends, being fixed to the ends themselves but in the face upper, two pieces (5) and (5 '), which take the form of an "L” positioned in opposite directions, presenting between both pieces (4) and (5), and at the same time between the pieces (4') and (5 ') a support bed for the trusses (10), represented in figures numbers 3, 4 and s.
  • This hollow or bed of coupling of the trusses or strips is intended to be used as an anchoring area thereof, so that they are completely immobilized.
  • Figure number 3, 4 and 5 shows the truss or formwork strip (10), whose mission is to support and align the slab, being constituted by an elongated piece that has a lower area (11) and an upper area (12 ), presenting the end of the area (12) a pronunciation or tongue constituted as a plate (13) that acts as a security element, when the plate (13) is welded in the internal part of the body of the truss or strip (10), presenting at this same end but in the lower part, another welded plate (14), from which a bolt or bolt emerges laterally (15), the plate (13) being located horizontally and the plate (14) vertically.
  • a perforation (17) is provided to allow the introduction of the emerging pin (15) of a similar piece (10), which is coupled and fixed therein, the plate (13) acting as a safety element, as shown in figure number 5, being able to observe in these figures numbers 3, 4 and 5, the existence of vertical cylindrical pronunciations ( 16), (16 ') and (16' '), consisting of tubes welded to the truss or strip (10), intended to serve as an anchor to the struts (90).
  • the piece (20) constituting the truss clamping piece (10) is contemplated for its lower part, and the safety system that prevents the formwork overturning, the piece (20) being configured as a hollow and elongated tubular body (21), which at the ends has vertical plates (23) and (23 '), and at points of the upper body face (21) close to the plates (23) and (23' ) two tubular bodies (22) and (22 ') emerge vertically, forming an anchor bed of the trusses or strips (10) in the area between both endpoints, also presenting welded tubular pronunciations positioned vertically (24) and ( 24 ') for anchoring to the struts (90).
  • Figure number 7 shows the anchoring piece (30) of the trusses and the formwork carried on the upper part of the pillars (100), this piece (30) being a key piece for the fastening of the trusses (10) to the pillars (100), being configured as a substantially elongated body (31), which in its lower part has a body (32) welded together, provided on its lateral faces with perforation alignments (33) and (33 '), lacking the central area of the sides of the piece (32) of the longitudinal perforations, and introducing in these perforations (33) and (33 ') pins (34) provided with fixing means or safety keys (35), placing the bolts or pins (34) and (34 ') together with the constituent elements of the keys (35) and (35') in the appropriate perforations obviously depending on each of the pillars (100) on which they are fixed.
  • a piece (40) formed by a prismatic tubular body is provided and elongated (41), which is provided in the lower part and fixed thereto by conventional welding, a piece (42) of substantially greater width and shorter length, in whose central area and specifically in the lower face, emerges a tubular pronunciation (43), which acts as a fastening or anchoring element to the struts (90), with the upper part (41) of the piece at both ends
  • the piece (50), constituting a rotating piece that allows a 180 ° mobilization, constituting the piece by means of which the beginning of the connection of the beams and the straps is made, has been represented, which is composed of a piece (51), which takes the form of a "U” seen frontally, from whose lower face emerges a vertical pronunciation (52), constituting the anchor to the strut (90), presenting on one of its faces , specifically in which it is kept completely outside, a hole in which a screw (53) is threaded, which will generate the adjustment of the truss (10), coupled in the bed constituted by the truss (51), emerging from the opposite side to the one with the hole in which the screw is screwed
  • the circular piece (55) is fixed to a hollow tubular body (58), provided with a drilling on one of its major sides, which has been referenced with (59), this area (58) acting as the beginning of fixing trusses (10).
  • Figure number 11 shows the part (60) constituting the termination part of the installation of an extendable telescopic truss or extension (80), the part (60) being formed by a body (61), which takes the form of a "U” seen frontally, and which has a perforation in one of its sides referenced with (62), for the introduction of the adjusting screw to the truss (10) coupled inside the piece (61), arranged in the lower part is the part (61) of a transverse plate (63) that emerges from one of its sides, and which is provided on its upper face next to its end of a vertically emerging pin (64), and in the opposite area but on the underside of a stud (65) for fixing the struts (90).
  • the telescopic or extensible truss (80) is formed by two bodies (81) and (82) sliding the body (82) inside the body (81), and presenting perforations (83) and (84) respectively the bodies ( 81) and (82) near their ends, emerging from the lower part of both the part (81) and the part (82) welded cylindrical pronunciations (85) and (86) for their relevant anchoring to the struts (90) .
  • the stop (70) which is composed of a piece (72), is shown, which it takes the form of an inverted "U” seen frontally, and whose vertical sides have a differentiated length, a screw (73) being introduced and fixed on the longest branch of the piece (72) for the relevant adjustment of the truss (10 ) channeled in the configuration of the piece (72) and in its internal zone, having at the top of a pronunciation (71), which acts as a direct stop of the board referenced with (110) in figure number 1.

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  • 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)

Abstract

Recoverable formwork system using a plurality of parts such as the formwork initiation parts (1), formwork truss or strips (10), fixing parts (20) of the truss (10), parts (30) for anchoring the truss and formwork to the upper portion of the pillars (100), formwork recovering parts (40), parts (50) rotating through 180° and connecting the beams and bands, parts (60) terminating extensible elements or telescopic truss (80), as well as end stops of the beam (70), all those parts being made of metal material and supported externally.

Description

SISTEMA DE ENCOFRADO RECUPERABLE RECOVERY WINDING SYSTEM
D E S C R I P C I Ó ND E S C R I P C I Ó N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente memoria descriptiva se refiere a un sistema de encofrado recuperable, cuya evidente finalidad estriba en lograr la realización del encofrado de una planta de un edificio o construcción de cualquier naturaleza, utilizándose en este sistema una pluralidad de piezas de aplicación diferenciada, todas ellas diseñadas para actuar en colaboración unas con las otras, siendo todas las piezas recuperables y reutilizables ulteriormente, teniendo al margen de las características de efectuar las operaciones de encofrado de forma adecuada y contemplando todas las medidas de seguridad requeridas, presenta la cualidad de efectuarse el encofrado de una manera sustancial ente rápida, lo que conlleva a un ahorro en mano de obra constatado como de gran relevancia, que unido a las características de seguridad y de recuperación del material empleado, le dota al sistema de unas características propias.The present specification refers to a recoverable formwork system, whose obvious purpose is to achieve the formwork of a plant of a building or construction of any nature, using in this system a plurality of pieces of differentiated application, all designed to act in collaboration with each other, all the parts being recoverable and reusable subsequently, regardless of the characteristics of performing the formwork operations in an appropriate manner and contemplating all the required safety measures, it presents the quality of the formwork being carried out. in a substantial way quickly, which leads to a saving in labor found as of great relevance, which together with the safety and recovery characteristics of the material used, gives the system its own characteristics.
CAMPO DE LA INVENCIÓNFIELD OF THE INVENTION
Esta invención tiene su aplicación dentro de la industria dedicada a la fabricación de aparatos, dispositivos y elementos auxiliares para la construcción.This invention has its application within the industry dedicated to the manufacture of apparatus, devices and auxiliary elements for construction.
ANTECEDENTES DE LA INVENCIÓN El solicitante conoce la existencia de un gran número de elementos, dispositivos y aparatos, destinados a ser utilizados como elementos constitutivos de diferentes sistemas y procedimientos, que permiten la operación de encofrado dentro del campo de la construcción.BACKGROUND OF THE INVENTION The applicant knows the existence of a large number of elements, devices and devices, intended to be used as constituent elements of different systems and procedures, which allow the operation of formwork within the field of construction.
Para el encofrado tradicional, se utilizaban una serie de elementos de soporte que ayudados por clavos convencionales fijados puntualmente sobre la superficie de las vigas o pilastras, permitían la incorporación sobre los mismos de diferentes piezas, todas ellas configuradas como piezas de soporte de madera, que debidamente apuntaladas y unidas con cuerpos constitutivos de tableros de soporte, permitían las operaciones de encofrado de una superficie.For the traditional formwork, a series of support elements were used which, aided by conventional nails fixed on the surface of the beams or pilasters, allowed the incorporation of different pieces on them, all configured as wooden support pieces, which duly propped up and joined with bodies constituting support boards, they allowed the formwork operations of a surface.
De forma cadencial, dentro de los procedimientos para el encofrado se han ido introduciendo diferentes elementos fabricados en materiales de distinta Índole, los cuales debidamente unidos y entrelazados permitían forman un encofrado que reduela de forma paulatina las operaciones de montaje de los mismos.In a cadential way, within the procedures for the formwork, different elements made of materials of different nature have been introduced, which duly joined and interwoven allowed to form a formwork that gradually rounds up the assembly operations of the same.
El solicitante conoce la existencia de una pluralidad de piezas empleadas como dispositivos de encofrado, no recuperables y recuperables, formados por piezas de planta cuadrangular o rectangular, que actuaban como soporte de los materiales empleados para la constitución de la solera, permitiendo la extracción de unos mediante la liberación de palancas acopladas a los mismos, y otros que por su carácter no recuperable quedaban incorporados en el forjado, actuando como elementos teóricamente aislantes. Cuando se trata de realizar un encofrado recuperable, llegado el momento de efectuar un cambio de dirección de la instalación que se está realizando, en la actualidad conlleva a la constitución de elementos de soporte adicionales, todos ellos al margen de los puntales requeridos en todos los sistemas de encofrado, actuando como elementos de soporte de la instalación que se realiza, constatándose al margen de múltiples operaciones por parte de los especialistas encofrados, el empleo de una gran cantidad de tiempo para realizar la instalación, que llegado el momento de efectuar la instalación sobre los extremos de las teóricas fachadas, es decir zonas que posteriormente configurarán salientes en el edificio, presentan un alto riesgo para los especialistas en estas instalaciones.The applicant knows the existence of a plurality of pieces used as formwork devices, non-recoverable and recoverable, formed by pieces of quadrangular or rectangular plan, which acted as a support for the materials used for the constitution of the floor, allowing the extraction of some by releasing levers attached to them, and others that, due to their non-recoverable nature, were incorporated into the slab, acting as theoretically insulating elements. When it comes to making a recoverable formwork, when it is time to make a change of direction of the installation that is being carried out, it now leads to the constitution of additional support elements, all of them regardless of the required struts in all formwork systems, acting as support elements of the installation that is being carried out, verifying, apart from multiple operations by the formwork specialists, the use of a large amount of time to perform the installation, which is the time to install on the extremes of the theoretical facades, that is to say areas that will later configure projections in the building, present a high risk for the specialists in these facilities.
El solicitante también ha constatado que muchas de las piezas utilizadas para la realización de encofrados recuperables, se deterioran de forma taxativa, tanto por los esfuerzos solicitados a las mismas, como por las operaciones de montado y desmontado.The applicant has also found that many of the parts used for the realization of recoverable formwork are deteriorated in a restrictive way, both by the efforts requested to them, as well as by the assembly and disassembly operations.
La solución evidente a la problemática existente en la actualidad en esta materia, seria la de poder contar con un sistema, procedimiento y elementos auxiliares que configuraran en su contexto la posibilidad de realizar un encofrado que presente cualidades de seguridad, rapidez y de economía, y que a la vez estuviera dotado de una gran simplicidad en su montaje, lo cual no exigirla la utilización de personal especializado en el montaje del sistema en cuestión.The obvious solution to the current problem in this area would be to have a system, procedure and auxiliary elements that will configure in its context the possibility of creating a formwork that has safety, speed and economy qualities, and that at the same time was endowed with a great simplicity in its assembly, which does not require the use of specialized personnel in the assembly of the system in question.
Sin embargo, por parte del solicitante no se tiene conocimiento de la existencia en la actualidad de un invento que esté dotado de las características señaladas anteriormente como idóneas.However, the applicant does not He is aware of the existence of an invention that is endowed with the characteristics indicated above as suitable.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
El sistema de encofrado recuperable que la invención propone, se configura por sí mismo como una sensible novedad dentro de su campo especifico de aplicación, al reunir en su contexto todas las características que se han señalado anteriormente como idóneas, entre las que se destaca la rapidez y seguridad del mismo, implementada por la sencillez de montaje.The system of recoverable formwork that the invention proposes, is configured by itself as a sensitive novelty within its specific field of application, by bringing together in its context all the characteristics that have been previously indicated as suitable, among which the speed stands out and security of the same, implemented by the simplicity of assembly.
De forma más concreta, el sistema de encofrado recuperable objeto de la invención, está constituido a partir de una pluralidad de piezas fabricadas en material metálico, cuya superficie externa está fincada con objeto de proteger la naturaleza del material utilizado, utilizándose en primer lugar una pieza sensiblemente alargada de configuración prismática, en concreto un paralelepípedo, que presenta en sus caras laterales de mayor anchura e idéntica longitud que las caras superior e inferior, dos alineaciones de perforaciones situadas en ambos extremos, existiendo una zona totalmente lisa en el centro, disponiendo en la cara inferior y en puntos próximos a sus extremos de pronunciaciones cilindricas, destinadas a ser utilizadas como puntos de anclaje a los puntales, y estando constituidas por tubos soldados a la pieza en cuestión.More specifically, the recoverable formwork system object of the invention, is constituted from a plurality of pieces made of metallic material, whose outer surface is fined in order to protect the nature of the material used, first using a piece substantially elongated prismatic configuration, specifically a parallelepiped, which has on its side faces of greater width and identical length than the upper and lower faces, two perforation alignments located at both ends, there is a completely smooth area in the center, providing the lower face and at points near its ends of cylindrical pronunciations, intended to be used as anchor points to the struts, and being constituted by tubes welded to the piece in question.
En la zona superior se ha previsto en puntos igualmente próximos a los extremos pero ligeramente más separados que los anclajes superiores, la existencia de tubos rectangulares emergentes, de dimensión apropiada, y en el punto próximo a los dos extremos, dos piezas que adoptan la forma de una "L" situadas en direcciones opuestas, configurando entre ambas pronunciaciones un lecho para la fijación de las cerchas o regletas, implementado este lecho con una perforación vertical.In the upper zone it is planned in points equally close to the ends but slightly more separated than the upper anchors, the existence of rectangular rectangular tubes, of appropriate size, and at the point near the two ends, two pieces that take the form of an "L" located in opposite directions , configuring between both pronunciations a bed for fixing the trusses or strips, implementing this bed with a vertical perforation.
Una vez debidamente fijada la pieza descrita en primer lugar, se utilizarán cerchas o regletas de encofrado, destinadas a soportar y alinear el forjado, que están configuradas como piezas alargadas igualmente fabricadas en material metálico, que en su parte superior incorporan un dispositivo de seguridad configurado por la existencia en uno de sus extremos de una pletina soldada en la parte interna, concretamente en la parte interna de un extremo de la cercha, que tiene la misión de impedir que esta cercha no se desuna o separe de la cercha adyacente puesta a continuación.Once the part described in the first place is duly fixed, trusses or formwork strips will be used, designed to support and align the slab, which are configured as elongated parts also made of metallic material, which in their upper part incorporate a configured safety device by the existence in one of its ends of a plate welded in the internal part, specifically in the internal part of one end of the truss, which has the mission of preventing this truss from separating or separating from the adjacent truss set below .
En el mismo extremo pero en la parte inferior, se encuentra soldada una segunda pletina situada en sentido opuesto a la citada anteriormente, ya que la primera se sitúa en posición horizontal y esta segunda en posición vertical, que presenta en una de sus caras un bulón o elemento cilindrico emergente, destinado a ser utilizado como nexo de anclaje o unión a la cercha que se sitúa a continuación, repitiéndose este montaje de forma sucesiva para la unión de las cerchas alineadas.At the same end but at the bottom, a second plate is located in the opposite direction to that mentioned above, since the first one is placed in a horizontal position and the second is in a vertical position, which has a bolt on one of its faces or emergent cylindrical element, intended to be used as an anchor nexus or union to the truss that is located next, this assembly being repeated successively for the union of the aligned trusses.
La cercha presenta en el extremo opuesto al dotado de las pletinas emergentes una perforación transversal, destinada a permitir la introducción, anclaje y ajuste del bulón emergente de la pletina vertical, y en la parte inferior se ha previsto la existencia de tres pronunciaciones cilindricas emergentes verticálmente posicionadas en paralelo, destinadas a ser utilizadas como anclaje a los puntales, configurados estos elementos emergentes como tubos soldados a la cercha en cuestión.The truss has a transverse perforation at the opposite end to the one provided with the emerging plates, intended to allow the introduction, anchoring and adjustment of the vertical pin of the vertical plate, and in the lower part there are three emergent cylindrical pronouncements vertically positioned in parallel, intended to be used as anchors to the struts, these emerging elements are configured as welded tubes to the truss in question.
El sistema emplea piezas de sujeción de las cerchas provistas de medios de seguridad con objeto de evitar un vuelco del encofrado, estando constituida esta pieza como un cuerpo alargado configurado como un prisma de planta rectangular que presenta en la parte inferior pronunciaciones destinadas a ser utilizadas como nexos de anclaje a los puntales, constituidas como tubos soldados, y en los extremos dos pletinas posicionadas transversalmente y en vertical, que en colaboración con dos tubos emergentes a los puntos próximos a las pletinas transversales constituyen una guía donde se anclan las cerchas.The system uses truss fasteners provided with safety means in order to prevent the formwork from overturning, this part being constituted as an elongated body configured as a rectangular prism that presents in the lower part pronunciations intended to be used as anchoring links to the struts, constituted as welded tubes, and at the ends two strips positioned transversely and vertically, which in collaboration with two emerging tubes to the points near the transverse plates constitute a guide where the trusses are anchored.
La invención cuenta con una pieza de anclaje de las cerchas, constitutiva de la pieza fundamental del sistema, destinada a ser utilizada como sujeción de las cerchas a los pilares, estando configurada como un cuerpo prismático de planta rectangular posicionado verticalmente, que cuenta en sus caras verticales mayores que las horizontales, con dos alineaciones de perforaciones situadas en los extremos, que en colaboración con unos bulones que actúan como pasadores que se incorporarán en sus orificios obviamente dependiendo de la medida de cada pilar, y contando con las pertinentes chavetas que evitan la salida de los bulones de los orificios, generan la unión de esta pieza de anclaje a la parte superior de los pilares. El sistema cuenta con una pieza para el ajuste y sujeción de los tableros, constitutiva del recuperador de encofrado, que tiene la misión de evitar la movilización o deslizamiento de los tableros que se configura como un cuerpo sensiblemente alargado, sobre el cual se une un segundo cuerpo de anchura similar pero de longitud mayor, en cuyos extremos se encuentran fijadas dos pletinas posicionadas transversalmente, y emergiendo de la parte inferior de la pieza de mayor anchura una pronunciación para su anclaje a los puntales, pasando las cerchas por los extremos huecos de la pieza constitutiva del recuperador, en concreto por la zona inferior de los extremos de la pieza superior fijada por soldadura.The invention has an anchoring part of the trusses, constitutive of the fundamental part of the system, intended to be used as a fastening of the trusses to the pillars, being configured as a rectangular prismatic body of vertically positioned rectangular plant, which has on its faces verticals greater than the horizontal ones, with two alignments of perforations located at the ends, which in collaboration with bolts that act as pins that will be incorporated in their holes obviously depending on the size of each pillar, and having the relevant keys that prevent the exit of the bolts of the holes, generate the union of this piece of anchorage to the top of the pillars. The system has a piece for the adjustment and fastening of the boards, constitutive of the formwork recuperator, which has the mission of preventing the mobilization or sliding of the boards that is configured as a substantially elongated body, on which a second is attached body of similar width but of greater length, at whose ends two transversely positioned plates are fixed, and emerging from the lower part of the larger piece a pronunciation for anchoring to the struts, passing the trusses through the hollow ends of the constituent part of the recuperator, in particular by the lower part of the ends of the upper part fixed by welding.
El invento presenta también una pieza giratoria de 180° , destinada a ser utilizada como inicio de conexión con las vigas y los zunchos, que cuenta con una pieza de longitud apropiada, que adopta la forma de una "U", que dispone en su lateral externo de un tornillo con amplia cabeza roscado a su superficie, con objeto de ajustar e inmovilizar la cercha acoplada en su interior, obviamente acoplada en la canalización descrita como una pieza que adopta la forma de una "U", estando fijada a una segunda pieza hueca de la cual emerge en uno de sus extremos una rueda giratoria con un pasador, con objeto de obtener la dirección requerida y presentando en el cuerpo tubular hueco, una perforación para su unión a la cercha, emergiendo de la zona inferior de la pieza que adopta la forma de una "U" sonre la que se acopla la cercha, una pronunciación cilindrica que actúa como anclaje al pilar, y disponiendo la superficie de la zona giratoria, de una perforación vertical para la introducción de un bulón mediante el cual se fija la dirección solicitada.The invention also features a 180 ° rotating part, intended to be used as a connection start with the beams and the rails, which has a piece of appropriate length, which takes the form of a "U", which has on its side external of a screw with wide threaded head to its surface, in order to adjust and immobilize the truss attached inside, obviously coupled in the pipe described as a piece that takes the form of a "U", being fixed to a second piece hollow from which emerges at one of its ends a rotating wheel with a pin, in order to obtain the required direction and presenting in the hollow tubular body, a perforation for its union to the truss, emerging from the lower part of the piece that it takes the form of a "U" smile that matches the truss, a cylindrical pronunciation that acts as an anchor to the pillar, and providing the surface of the rotating area, of a vertical perforation for the introduction I n a bolt by which the fixed requested address.
Con objeto de permitir la utilización de una cercha configurada de forma telescópica o capacitada para ser extensible, se ha previsto una pieza que presenta en la parte superior un cuerpo igualmente a manera de una "U", debajo del cual se encuentra fijada una pletina transversal, de la cual emerge en su cara superior un bulón para el anclaje a la pieza constitutiva de la alargadera telescópica o extensible, presentando un tornillo para la fijación y ajuste de la cercha sobre el cuerpo que actúa como lecho receptor de la misma, y en la parte inferior de la pletina soldada, una pronunciación cilindrica destinada a ser utilizada como anclaje a los puntales.In order to allow the use of a truss configured telescopically or capable of being extensible, a piece is provided that has a body similarly in the upper part like a "U", under which a transverse plate is fixed , from which emerges in its upper face a bolt for anchoring to the constitutive part of the telescopic or extensible extension, presenting a screw for fixing and adjusting the truss on the body that acts as a receiving bed thereof, and in the lower part of the welded plate, a cylindrical pronunciation intended to be used as an anchor to the struts.
La cercha telescópica o extenεible se configura como un cuerpo hueco en el interior del cual se encuentra introducido otro cuerpo similar de dimensiones más reducidas y de longitud prácticamente idéntica, que en colaboración con un orificio situado en r uno de sus extremos, permite el anclaje o fijación de la pieza de terminación de la alargadera extensible descrita anteriormente, e igualmente dispone de las pronunciaciones en la parte inferior para su anclaje a los puntales.Telescopic or extenεible truss is configured as a hollow body inside which is introduced a similar body dimensions more reduced and length substantially identical, which in collaboration with an orifice located at r one end, allows the anchorage or fixation of the extension piece of the extensible extension described above, and also has the pronunciations in the lower part for anchoring to the struts.
El invento se imple enta con una pieza constitutiva de un tope de final de viga, que está destinado a ser utilizada como freno de actuación sobre el último tablero, presentando la configuración general de una pieza que adopta la forma de una "U" invertida, cuyos brazos o elementos verticales presentan longitudes diferenciadas, actuando la zona interna como canalización de la cercha, y disponiendo de un tornillo de ajuste de la misma.The invention is implemented with a piece constituting a beam end stop, which is intended to be used as an actuating brake on the last board, presenting the general configuration of a piece that takes the form of an inverted "U", whose arms or vertical elements have different lengths, the internal area acting as a truss channel, and having a screw of adjustment of the same.
El conjunto de las piezas debidamente montadas entre sí, y unidas de forma simplificada en colaboración con los tornillos de ajuste descritos e implementado con los lechos de fijación y soporte, configuran el sistema de encofrado recuperable dotado de características hasta el momento no contempladas dentro del campo de la construcción, y en concreto para la obtención de un encofrado, cuyas piezas son totalmente recuperables.The set of parts duly mounted together, and connected in a simplified manner in collaboration with the adjustment screws described and implemented with the fixing and support beds, form the recoverable formwork system equipped with features not yet contemplated within the field. of the construction, and specifically to obtain a formwork, whose pieces are fully recoverable.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, cuatro hojas de planos en las cuales con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to help a better understanding of the features of the invention, this descriptive report is attached, as an integral part thereof, four sheets of drawings in which for illustrative purposes and not limiting, the following has been represented:
La figura número 1.- Muestra una vista en perspectiva de un encofrado constituido de acuerdo con el objeto de la invención, relativo a un sistema de encofrado recuperable, fijado sobre los elementos de soporte configurados como columnas o pilares, habiéndose representado igualmente los pertinentes puntales, los cuales serán retirados una vez que haya pasado el tiempo reglamentario, manteniéndose única y exclusivamente los puntales de seguridad o centrales, que se acoplan en la parte inferior del recuperador de encofrado representado en la figura número 8.Figure number 1.- Shows a perspective view of a formwork constituted in accordance with the object of the invention, relating to a recoverable formwork system, fixed on the support elements configured as columns or pillars, the corresponding struts having also been represented. , which will be removed once the regulatory time has passed, keeping only the safety or central struts, which are attached to the lower part of the formwork recuperator represented in figure number 8.
La figura número 2.- Muestra a la pieza de inicio de encofrado que se fija o ancla a los pilares.Figure number 2.- Shows the piece of formwork start that is fixed or anchored to the pillars.
La figura número 3.- Corresponde a una vista de la cercha o regleta de encofrado.Figure number 3.- Corresponds to a view of the truss or formwork strip.
La figura número 4.- Corresponde a una vista por A del objeto representado en la figura número 4, en concreto de los elementos de fijación o seguridad incorporados en la cercha para su unión con otra pieza similar alineada.Figure number 4.- Corresponds to a view by A of the object represented in figure number 4, in particular of the fixing or safety elements incorporated in the truss for its union with another similarly aligned piece.
La figura número 5.- Muestra al objeto representado en la figura número 4 visto por la cara opuesta, acoplado al extremo de una pieza similar.Figure number 5.- Shows the object represented in figure number 4 seen on the opposite side, coupled to the end of a similar piece.
La figura número 6.- Representa a la pieza de sujeción de las cerchas que actúa al mismo tiempo como elemento de seguridad que evita el vuelco del encofrado.Figure number 6.- Represents the truss support piece that acts at the same time as a safety element that prevents the formwork from overturning.
La figura número 7.- Corresponde a la pieza de anclaje de las cerchas y del encofrado a la parte superior de los pilares.Figure number 7.- Corresponds to the anchoring piece of the trusses and the formwork to the top of the pillars.
La figura número 8.- Muestra a la pieza constitutiva del recuperador de encofrado citada en la figura número 1.Figure number 8.- Shows the constituent part of the formwork recuperator mentioned in figure number 1.
La figura número 9.- Muestra una vista de la pieza giratoria de 180°, que permite el inicio de la conexión de vigas y zunchos.Figure number 9.- Shows a view of the 180 ° rotating part, which allows the start of the connection of beams and straps.
La figura número 10.- Representa al objeto mostrado en la figura número 9 visto por la cara opuesta. La figura número 11.- Corresponde a la pieza de terminación para la alargadera extensible representada en la figura número 13.Figure number 10.- Represents the object shown in figure number 9 seen on the opposite side. Figure number 11.- Corresponds to the termination piece for the extensible extension shown in figure number 13.
La figura número 12.- Refleja la pieza constitutiva del tope de final de viga o freno del último tablero.Figure number 12.- Reflects the constituent part of the end stop of the beam or brake of the last board.
La figura número 13.- Representa por último una vista de la cercha telescópica o extensible, que actúa como alargadera.Figure number 13.- Finally represents a view of the telescopic or extensible truss, which acts as an extension.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de estas figuras, puede observarse como el sistema de encofrado recuperable que se preconiza, está constituido a partir de una serie de piezas fabricadas en material metálico, referenciadas con (1), (10), (20), (30), (40), (50), (60), (70) Y (80) , las cuales en colaboración con los puntales (90) logran ser fijados sobre los pilares (100) , configurando el encofrado recuperable, estando formadas todas las piezas constitutivas del sistema por piezas de material metálico, protegidas exteriormente por fincado.In view of these figures, it can be seen how the recoverable formwork system that is recommended is constituted from a series of pieces made of metallic material, referenced with (1), (10), (20), (30) , (40), (50), (60), (70) Y (80), which in collaboration with the struts (90) manage to be fixed on the pillars (100), configuring the recoverable formwork, being formed all constituent parts of the system by pieces of metallic material, protected externally by finishing.
Siguiendo la figura número 2, se observa que el sistema de encofrado recuperable utilizada una pieza (1) destinada a ser utilizada como la pieza de inicio de encofrado que se ancla al pilar ( 100) , estando formada por un cuerpo de planta rectangular de material metálico (2 ) , que presenta sobre la superficie de sus caras laterales dos alineaciones de perforaciones ( 3) yFollowing the figure number 2, it is observed that the recoverable formwork system used a piece (1) intended to be used as the formwork starter piece that is anchored to the pillar (100), being formed by a rectangular plant body of material metallic (2), which has two perforation alignments on the surface of its lateral faces (3) and
( 3' ) , siendo estas perforaciones circulares , y estando situadas en dos alineaciones situadas longitudinalmente, presentando los extremos y zona central carente de las mismas, y emergiendo de la parte inferior dos pronunciaciones cilindricas (6) y (6') configuradas como tubos soldados que están destinadas a servir de anclaje a los puntales (90) .(3 '), these perforations being circular, and being located in two alignments located longitudinally, presenting the ends and central area devoid thereof, and emerging from the bottom two cylindrical pronunciations (6) and (6 ') configured as welded tubes that are intended to serve as an anchor to the struts (90).
En la parte superior, el cuerpo (2) presenta dos pronunciaciones tubulares (4) y (4') situadas verticalmente, las cuales están posicionadas y fijada por soldadura en puntos próximos a los extremos, fijándose a los extremos propiamente dichos pero en la cara superior, dos piezas (5) y (5'), que adoptan la forma de una "L" posicionadas en direcciones opuestas, presentando entre ambas piezas (4) y (5), y a la vez entre las piezas (4') y (5') un lecho de apoyo para las cerchas (10), representadas en las figuras números 3, 4 y s.In the upper part, the body (2) has two tubular pronunciations (4) and (4 ') located vertically, which are positioned and fixed by welding at points close to the ends, being fixed to the ends themselves but in the face upper, two pieces (5) and (5 '), which take the form of an "L" positioned in opposite directions, presenting between both pieces (4) and (5), and at the same time between the pieces (4') and (5 ') a support bed for the trusses (10), represented in figures numbers 3, 4 and s.
En la zona de la cara superior del cuerpo (2) configurada como el lecho de soporte de las cerchas (10), se ha previsto una perforación (7) y {! ' ) , la cual opcionalmente puede ser obviada.In the area of the upper face of the body (2) configured as the support bed of the trusses (10), a perforation (7) and {! '), which can optionally be ignored.
Este hueco o lecho de acoplamiento de las cerchas o regletas, está destinado a ser utilizado como zona de anclaje de las mismas, con el fin de que queden totalmente inmovilizadas.This hollow or bed of coupling of the trusses or strips, is intended to be used as an anchoring area thereof, so that they are completely immobilized.
La figura número 3, 4 y 5, muestra a la cercha o regleta de encofrado (10), cuya misión es soportar y alinear el forjado, estando constituida por una pieza alargada que presenta una zona inferior (11) y una zona superior (12) , presentando el extremo de la zona (12) una pronunciación o lengüeta constituida como una pletina (13) que actúa como elemento de seguridad, al estar soldada la pletina (13) en la parte interna del cuerpo de la cercha o regleta (10) , presentando en este mismo extremo pero en la parte inferior, otra pletina soldada (14), de la que emerge lateralmente un bulón o tetón (15) , estando situada la pletina (13) en horizontal y la pletina (14) en vertical.Figure number 3, 4 and 5, shows the truss or formwork strip (10), whose mission is to support and align the slab, being constituted by an elongated piece that has a lower area (11) and an upper area (12 ), presenting the end of the area (12) a pronunciation or tongue constituted as a plate (13) that acts as a security element, when the plate (13) is welded in the internal part of the body of the truss or strip (10), presenting at this same end but in the lower part, another welded plate (14), from which a bolt or bolt emerges laterally (15), the plate (13) being located horizontally and the plate (14) vertically.
En el extremo opuesto, en concreto de la zona inferior (12) y en su lateral, se ha previsto la existencia de una perforación (17) destinada a permitir la introducción del tetón (15) emergente de una pieza similar (10), que se acopla y fija en la misma, actuando la pletina (13) como elemento de seguridad, tal y como se ha representando en la figura número 5, pudiendo observarse en estas figuras números 3, 4 y 5, la existencia de pronunciaciones cilindricas verticales (16), (16') y (16''), constituidas por tubos soldados a la cercha o regleta (10) , destinadas a servir de anclaje a los puntales (90) .At the opposite end, in particular of the lower area (12) and on its side, a perforation (17) is provided to allow the introduction of the emerging pin (15) of a similar piece (10), which is coupled and fixed therein, the plate (13) acting as a safety element, as shown in figure number 5, being able to observe in these figures numbers 3, 4 and 5, the existence of vertical cylindrical pronunciations ( 16), (16 ') and (16' '), consisting of tubes welded to the truss or strip (10), intended to serve as an anchor to the struts (90).
Siguiendo la figura número 6, se contempla a la pieza (20) constitutiva de la pieza de sujeción de las cerchas (10) por su parte inferior, y al sistema de seguridad que evita el vuelco del encofrado, estando configurada la pieza (20) como un cuerpo tubular hueco y alargado (21), que en los extremos presenta pletinas verticales (23) y (23'), y en puntos de la cara superior del cuerpo (21) próximos a las pletinas (23) y (23') emergen verticalmente dos cuerpos tubulares (22) y (22') configurando en la zona existente entre ambas pronunciaciones de los extremos un lecho de anclaje de las cerchas o regletas (10), presentando igualmente pronunciaciones tubulares soldadas posicionadas verticalmente (24) y (24') para el anclaje a los puntales (90) . La figura número 7, muestra a la pieza de anclaje (30) de las cerchas y al encofrado portado sobre la parte superior de los pilares (100), siendo esta pieza (30) una pieza clave para la sujeción de las cerchas (10) a los pilares (100) , configurándose como un cuerpo sensiblemente alargado (31) , que en su parte inferior presenta unido por soldadura un cuerpo (32), dotado en sus caras laterales de alineaciones de perforaciones (33) y (33'), careciendo la zona central de los laterales de la pieza (32) de las perforaciones longitudinales, e introduciéndose en estas perforaciones (33) y (33') pasadores (34) provistos de medios de fijación o chavetas de seguridad (35), colocándose los bulones o pasadores (34) y (34') junto con los elementos constitutivos de las chavetas (35) y (35' ) en las perforaciones apropiadas dependiendo obviamente de cada uno de los pilares (100) sobre los cuales se fijan.Following the figure number 6, the piece (20) constituting the truss clamping piece (10) is contemplated for its lower part, and the safety system that prevents the formwork overturning, the piece (20) being configured as a hollow and elongated tubular body (21), which at the ends has vertical plates (23) and (23 '), and at points of the upper body face (21) close to the plates (23) and (23' ) two tubular bodies (22) and (22 ') emerge vertically, forming an anchor bed of the trusses or strips (10) in the area between both endpoints, also presenting welded tubular pronunciations positioned vertically (24) and ( 24 ') for anchoring to the struts (90). Figure number 7 shows the anchoring piece (30) of the trusses and the formwork carried on the upper part of the pillars (100), this piece (30) being a key piece for the fastening of the trusses (10) to the pillars (100), being configured as a substantially elongated body (31), which in its lower part has a body (32) welded together, provided on its lateral faces with perforation alignments (33) and (33 '), lacking the central area of the sides of the piece (32) of the longitudinal perforations, and introducing in these perforations (33) and (33 ') pins (34) provided with fixing means or safety keys (35), placing the bolts or pins (34) and (34 ') together with the constituent elements of the keys (35) and (35') in the appropriate perforations obviously depending on each of the pillars (100) on which they are fixed.
En los extremos inferiores de la pieza superior (31), emergen dos pronunciaciones verticalesAt the lower ends of the upper part (31), two vertical pronunciations emerge
(36) y (36') que en colaboración con los extremos de la pieza (32) configuran un lecho de acoplamiento de las cerchas (10) , quedando anclada en esta zona.(36) and (36 ') that in collaboration with the ends of the piece (32) form a bed of coupling of the trusses (10), being anchored in this area.
En colaboración con el encofrado, se utilizan tableros, generalmente de madera o materiales similares, y con el fin de facilitar la recuperación de estas piezas constitutivas de los tableros, se ha previsto la existencia de una pieza (40) formada por un cuerpo tubular prismático y alargado (41), que se encuentra dotado en la parte inferior y fijado al mismo por soldadura convencional, una pieza (42) de anchura sensiblemente mayor y de longitud más reducida, en cuya zona central y en concreto en la cara inferior, emerge una pronunciación tubular (43) , que actúa como elemento de fijación o anclaje a los puntales (90), disponiendo en ambos extremos la zona superior (41) de la piezaIn collaboration with the formwork, boards are used, usually of wood or similar materials, and in order to facilitate the recovery of these pieces constituting the boards, the existence of a piece (40) formed by a prismatic tubular body is provided and elongated (41), which is provided in the lower part and fixed thereto by conventional welding, a piece (42) of substantially greater width and shorter length, in whose central area and specifically in the lower face, emerges a tubular pronunciation (43), which acts as a fastening or anchoring element to the struts (90), with the upper part (41) of the piece at both ends
(40) , de dos pletinas de planta rectangular (44) y (44'), situadas transversalmente y en horizontal.(40), of two rectangular plates (44) and (44 '), located transversely and horizontally.
En la figura número 9, se ha representado a la pieza (50) , constitutiva de una pieza giratoria que permite una movilización de 180°, constitutiva de la pieza mediante la cual se realiza el inicio de la conexión de las vigas y los zunchos, la cual está compuesta de una pieza (51), que adopta la forma de una "U" vista frontalmente, de cuya cara inferior emerge una pronunciación vertical (52) , constitutiva del anclaje al puntal (90), presentando en una de sus caras, concretamente en la que se mantiene totalmente al exterior, una perforación en la que se acopla por roscado un tornillo (53) , que generará el ajuste de la cercha (10) , acoplada en el lecho constituido por la cercha (51), emergiendo de la cara opuesta a la dotada de la perforación en la que se enrosca el tornilloIn figure number 9, the piece (50), constituting a rotating piece that allows a 180 ° mobilization, constituting the piece by means of which the beginning of the connection of the beams and the straps is made, has been represented, which is composed of a piece (51), which takes the form of a "U" seen frontally, from whose lower face emerges a vertical pronunciation (52), constituting the anchor to the strut (90), presenting on one of its faces , specifically in which it is kept completely outside, a hole in which a screw (53) is threaded, which will generate the adjustment of the truss (10), coupled in the bed constituted by the truss (51), emerging from the opposite side to the one with the hole in which the screw is screwed
(53) , una pletina rectangular situada transversalmente(53), a rectangular plate located transversely
(54) , provista de una perforación en la que se acopla un tornillo (56) mediante el cual se fija una pronunciación circular (55) , que se encuentra implementada en la sustentación por una pletina (54) situada inferiormente, actuando la pareja de pletinas (54) como lecho de fijación y movilización de la pieza circular (55) , que es retenida en un punto acorde con las necesidades de trabajo, mediante la introducción de un pasador a través de una perforación (57) situada en la cara superior de la pletina superior (54) .(54), provided with a perforation in which a screw (56) is coupled by means of which a circular pronunciation (55) is fixed, which is implemented in the lift by a bottom plate (54), acting the pair of plates (54) as a bed for fixing and mobilizing the circular piece (55), which is retained at a point consistent with the work needs, by introducing a pin through a hole (57) located on the upper face of the upper plate (54).
La pieza circular (55), se encuentra fijada a un cuerpo tubular hueco (58) , provisto de una perforación en uno de sus lados mayores, que ha sido referenciada con (59), actuando esta zona (58) como comienzo de fijación de cerchas (10) .The circular piece (55) is fixed to a hollow tubular body (58), provided with a drilling on one of its major sides, which has been referenced with (59), this area (58) acting as the beginning of fixing trusses (10).
En la figura número 10, se ha reflejado en una vista diferente a la pieza (50) .In figure number 10, it has been reflected in a different view of the piece (50).
La figura número 11, muestra a la pieza (60) constitutiva de la pieza de terminación de la instalación de una cercha telescópica o alargadera extensible (80) , estando formada la pieza (60) por un cuerpo (61), que adopta la forma de una "U" vista frontalmente, y que presenta una perforación en uno de sus laterales referenciada con (62), para la introducción del tornillo de ajuste a la cercha (10) acoplada en el interior de la pieza (61), disponiendo en la parte inferior la pieza (61) de una pletina transversal (63) que emerge por uno de sus laterales, y que está provista en su cara superior próxima a su extremo de un tetón emergente verticalmente (64), y en la zona opuesta pero en la cara inferior de un tetón (65) para la fijación de los puntales (90) .Figure number 11 shows the part (60) constituting the termination part of the installation of an extendable telescopic truss or extension (80), the part (60) being formed by a body (61), which takes the form of a "U" seen frontally, and which has a perforation in one of its sides referenced with (62), for the introduction of the adjusting screw to the truss (10) coupled inside the piece (61), arranged in the lower part is the part (61) of a transverse plate (63) that emerges from one of its sides, and which is provided on its upper face next to its end of a vertically emerging pin (64), and in the opposite area but on the underside of a stud (65) for fixing the struts (90).
La cercha telescópica o extensible (80), está formada por dos cuerpos (81) y (82) deslizándose el cuerpo (82) en el interior del cuerpo (81) , y presentando perforaciones (83) y (84) respectivamente los cuerpos (81) y (82) próximos a sus extremos, emergiendo de la zona inferior tanto de la pieza (81) como de la pieza (82) pronunciaciones cilindricas soldadas (85) y (86) para su pertinente anclaje a los puntales (90) .The telescopic or extensible truss (80), is formed by two bodies (81) and (82) sliding the body (82) inside the body (81), and presenting perforations (83) and (84) respectively the bodies ( 81) and (82) near their ends, emerging from the lower part of both the part (81) and the part (82) welded cylindrical pronunciations (85) and (86) for their relevant anchoring to the struts (90) .
En la figura número 12, se ha representado el tope (70), que está compuesto por una pieza (72), que adopta la forma de una "U" invertida vista frontalmente, y cuyos lados verticales disponen de longitud diferenciada, introduciéndose y fijándose en la rama de mayor longitud de la pieza (72) un tornillo (73) para el pertinente ajuste de la cercha (10) canalizada en la configuración de la pieza (72) y en su zona interna, disponiendo en la parte superior de una pronunciación (71) , que actúa como tope directo del tablero referenciado con (110) en la figura número 1. In figure 12, the stop (70), which is composed of a piece (72), is shown, which it takes the form of an inverted "U" seen frontally, and whose vertical sides have a differentiated length, a screw (73) being introduced and fixed on the longest branch of the piece (72) for the relevant adjustment of the truss (10 ) channeled in the configuration of the piece (72) and in its internal zone, having at the top of a pronunciation (71), which acts as a direct stop of the board referenced with (110) in figure number 1.

Claims

RE IV I N D I CAC I O N E S RE IV INDI CAC IONES
1.- Sistema de encofrado recuperable, de los constituidos a partir de varias piezas fabricadas en material metálico, protegidas exteriormente por fincado, que en colaboración con puntales (90) y tableros (110), configuran un encofrado recuperable, caracterizado por estar constituido a partir de piezas (1) constitutivas de las piezas de inicio de encofrado que se encuentran ancladas a los pilares (100), asi como de piezas (10) constitutivas de cerchas o regletas de encofrado destinadas a soportar y alinear el forjado, disponiendo de piezas (20) que están destinadas a ser utilizadas como pieza de sujeción de las cerchas por la parte inferior, presentando medios de seguridad para evitar el vuelco del encofrado, así como de piezas de anclaje (30) para las cerchas y el encofrado de la parte superior sobre los pilares (100) , existiendo igualmente piezas (40) constitutivas de recuperadores de encofrado, piezas (50) constitutivas de. piezas giratorias en 180° destinadas como inicios de conexión de vigas y zunchos, piezas (60) constitutivas de elementos de terminación para piezas alargaderas extensibles o cerchas telescópicas (80), así como de topes (70), para el final de la viga reteniendo el último tablero (110) .1.- Recoverable formwork system, of those constituted from several pieces made of metallic material, protected externally by fining, which in collaboration with struts (90) and boards (110), form a recoverable formwork, characterized by being constituted by from parts (1) constituting the formwork start pieces that are anchored to the pillars (100), as well as pieces (10) constituting formwork trusses or strips intended to support and align the slab, having parts (20) that are intended to be used as a fastener for the trusses at the bottom, presenting safety means to avoid the overturning of the formwork, as well as anchoring pieces (30) for the trusses and formwork of the part upper on the pillars (100), there are also pieces (40) constituting formwork recuperators, parts (50) constituting. 180 ° rotating parts intended as connection beams and straps, parts (60) constituting termination elements for extendable extension pieces or telescopic trusses (80), as well as stops (70), for the end of the retaining beam the last board (110).
2.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque las piezas (1) constitutivas de las piezas de inicio de encofrado ancladas a los pilares (100), están constituidas per cuerpos alargadores (2) de configuración prismática, que presentan en sus caras laterales dos alineaciones de perforaciones (3) y (3') posicionadas longitudinalmente, existiendo entre ambas alineaciones un espacio carente de perforaciones, presentando en la cara inferior dos pronunciaciones cilindricas (6) y (6') posicionadas verticalmente, destinadas a ser utilizadas como anclaje a los puntales (90) constituidas por tubos soldados al cuerpo (2), disponiendo en la cara superior de dos cuerpos tubulares (4) y (4' ) situados verticalmente próximos a las terminaciones del cuerpo (2), disponiendo en coincidencia con los extremos del cuerpo (2) de dos piezas soldadas (5) y (5'), que adoptan la forma de una WL" posicionadas en direcciones opuestas, existiendo entre las pronunciaciones verticales (4) y (5), así como entre las pronunciaciones verticales (4') y (5') un espacio de separación constitutivo de un lecho de soporte para las cerchas (10) , existiendo en esta zona y en el cuerpo (2) una perforación (7) y (7') respectivamente .2.- Recoverable formwork system, according to the first claim, characterized in that the parts (1) constituting the formwork start pieces anchored to the pillars (100), are constituted by elongate bodies (2) of prismatic configuration, which have in their lateral faces two alignment of perforations (3) and (3 ') positioned longitudinally, existing between both alignments a space without perforations, presenting on the lower face two cylindrical pronunciations (6) and (6 ') positioned vertically, intended to be used as an anchor to the struts (90) constituted by tubes welded to the body (2), providing the upper face of two tubular bodies (4) and (4 ') located vertically close to the ends of the body (2), arranged in coincidence with the ends of the body (2) of two welded parts (5) and (5') , which take the form of a W L "positioned in opposite directions, existing between the vertical pronunciations (4) and (5), as well as between the vertical pronunciations (4 ') and (5') a separation space constituting a support bed for the trusses (10), there being in this area and in the body (2) a perforation (7) and (7 ') respectively.
3.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza (10) constitutiva de las cerchas o regletas de encofrado, se configura como un cuerpo alargado que presenta dos zonas definidas (11) y (12) situadas en yuxtaposición, presentando en el extremo de la zona superior (12) una pronunciación o lengüeta (13) configurada como una pletina, soldada al interior de la zona (12) y situada horizontal ente, debajo de la cual emerge una pletina (14) soldada a la zona (11) provista de un bulón o tetón emergente (15), disponiendo en el extremo opuesto al dotado de las pletinas (13) y (15) , una perforación (17) posicionada en el lateral del área inferior (11), emergiendo de la cara inferior de esta zona (11), cuerpos tubulares (16), (16') y (16''), situados verticalmente y en paralelo constitutivos de anclajes a los puntales (90) . 3.- Recoverable formwork system, according to the first claim, characterized in that the part (10) constituting the trusses or formwork strips, is configured as an elongated body that has two defined areas (11) and (12) located in juxtaposition , presenting at the end of the upper zone (12) a pronunciation or tongue (13) configured as a plate, welded inside the area (12) and located horizontally, below which a plate (14) welded to the area (11) provided with an emerging pin or pin (15), disposing at the opposite end to that provided with the plates (13) and (15), a perforation (17) positioned on the side of the lower area (11), emerging from the underside of this area (11), tubular bodies (16), (16 ') and (16''), located vertically and in parallel constituting anchors to the struts (90).
4.- Sistema de encofrado recuperable, según la primera y tercera reivindicación, caracterizado porque la pletina (13) se introduce en el interior del extremo adyacente de una cercha o regleta (10) , encastrándose el tetón (15) en la perforación (17) existente en este mismo extremo de la regleta o cercha (10) posicionada adyacente.4.- Recoverable formwork system, according to the first and third claims, characterized in that the plate (13) is inserted inside the adjacent end of a truss or strip (10), the pin (15) being embedded in the perforation (17 ) existing at this same end of the strip or truss (10) positioned adjacent.
5.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza de sujeción (20) para las cerchas por su parte inferior que presenta medios de seguridad que evitan el vuelco del encofrado, está constituida a partir de un cuerpo alargado (21), que dispone en la parte inferior del mismo próximo a sus extremos de dos pronunciaciones tubulares y cilindricas (24) y (24'), soldadas al cuerpo (21) constitutivas de puntos de anclaje a los puntales (90), presentando en los extremos de la pieza5.- Recoverable formwork system, according to the first claim, characterized in that the clamping piece (20) for the trusses by its lower part that presents safety means that prevent the formwork from overturning, is constituted from an elongated body ( 21), which has two tubular and cylindrical pronunciations (24) and (24 ') at the lower part thereof, welded to the body (21) constituting anchor points to the struts (90), presenting the ends of the piece
(21), dos pletinas rectangulares (23) y (23') situadas verticalmente, incorporando sobre la superficie de la- cara superior del cuerpo (21), dos pronunciaciones tubulares (22) y (22' ) .(21), two rectangular plates (23) and (23 ') located vertically, incorporating on the surface of the upper face of the body (21), two tubular pronunciations (22) and (22').
6.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza (30) constitutiva de la pieza de anclaje de las cerchas (10) y del encofrado de la parte superior a los pilares (100), se configura como un cuerpo alargado6.- Recoverable formwork system, according to the first claim, characterized in that the part (30) constituting the anchoring part of the trusses (10) and the formwork of the upper part to the pillars (100), is configured as a elongated body
(31) fijado por soldadura a una pieza situada inferiormente (32), de anchura mayor que la pieza (31), y de longitud inferior, presentando la pieza (31) en sus extremos dos pronunciaciones (36) y (36') posicionadas verticalmente, teniendo la pieza (32) dos alineaciones de perforaciones (33) y (33'), en las que se introducen bulones (34) y (34'), estando provistos los bulones de chavetas de seguridad (35) y (35'), careciendo la zona central de las caras laterales de la pieza (32) de perforaciones, y configurando en sus extremos junto con las pletinas (36) y (36') o pronunciaciones verticales, un lecho para las cerchas (10) .(31) fixed by welding to a piece located inferiorly (32), of width greater than the piece (31), and of shorter length, the piece (31) presenting at its ends two pronunciations (36) and (36 ') positioned vertically, the piece (32) having two perforation alignments (33) and (33 '), in which bolts (34) and (34') are introduced, being provided the safety key bolts (35) and (35 '), lacking the central area of the lateral faces of the drill piece (32), and configuring at its ends together with the plates (36) and (36') or vertical pronunciations, a bed for trusses (10).
7.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza (40) constitutiva del recuperador de encofrado, está formada por un cuerpo tubular (41) sensiblemente alargado, al cual se encuentra fijado en su cara inferior un cuerpo vertical (42), de cuya zona central inferior emerge una pronunciación tubular (43), constitutiva de un nexo de fijación y anclaje de los puntales (90) , presentando en los extremos del cuerpo (41) dps pletinas transversales (44) y (44') de planta rectangular.7.- Recoverable formwork system, according to the first claim, characterized in that the part (40) constituting the formwork recuperator, is formed by a substantially elongated tubular body (41), to which a vertical body is fixed on its lower face (42), from whose lower central area emerges a tubular pronunciation (43), constituting a nexus for fixing and anchoring the struts (90), presenting at the ends of the body (41) dps transverse plates (44) and (44 ') rectangular.
8.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza giratoria de 180° (50) se configura como la pieza mediante la cual se realiza el inicio de la conexión de las vigas y de los zunchos, estando configurada por un cuerpo (51), que presenta la forma de una U" visto frontalíñente, el cual dispone en la parte inferior de una pronunciación cilindrica emergente verticalmente8.- Recoverable formwork system, according to the first claim, characterized in that the 180 ° rotating part (50) is configured as the part by which the connection of the beams and the strips is made, being configured by a body (51), which has the shape of a U "seen frontally, which has a vertically emerging cylindrical pronunciation at the bottom
(52) , constitutiva del anclaje a los puntales (90) , presentando una de sus caras verticales del cuerpo (51) una perforación roscada en la que se acopla un tornillo(52), constituting the anchoring to the struts (90), one of its vertical faces of the body (51) having a threaded bore in which a screw is attached
(53) movilizable transversalmente, disponiendo en la cara opuesta el cuerpo (51) de dos lengüetas emergentes(53) transversely movable, having on the opposite side the body (51) of two pop-up tabs
(54) situadas en horizontal y en paralelo en el interior de las cuales se acopla un cuerpo tubular (5.5), fijado a las pletinas (54) por medio de un tornillo (56) , existiendo sobre la pletina superior (54) una perforación (57), en el interior de la cual se acopla un pasador, que inmoviliza a la zona (55) , unida a un cuerpo tubular (58) hueco interiormente, que presenta en una de sus caras laterales una perforación (59) para la fijación del extremo de las cerchas (10), constituyendo la zona interna del cuerpo (51) un alojamiento para cerchas (10), que se retienen mediante la actuación del tornillo (53) .(54) located horizontally and in parallel inside of which a tubular body (5.5) is attached, fixed to the plates (54) by means of a screw (56), existing on the upper plate (54) a hole (57), inside which a pin is attached, which immobilizes the area (55), attached to a hollow tubular body (58) internally, which has a perforation (59) on one of its lateral faces for fixing the end of the trusses (10), the internal area of the body (51) constituting a housing for trusses (10), which are retained by means of the screw action (53).
9.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza de terminación (60) presenta un cuerpo (61) configurado como una "U" visto frontal ente, dotado en una de. sus caras laterales de una perforación (62) en la que se aloja un tornillo retenedor, que fija y sostiene a la cercha telescópica o alargadera extensible (80) , presentando en la zona inferior una pronunciación de planta rectangular (63) emergente transversalmente, dotada de una pronunciación cilindrica emergente (64) situada verticalmente, mientras que en la cara inferior y en coincidencia con la zona inferior del cuerpo (61), la pieza (63) dispone de una pronunciación tubular (65) constitutiva del anclaje a los puntales (90) .9. - Recoverable formwork system, according to the first claim, characterized in that the termination piece (60) has a body (61) configured as a "U" seen frontally, provided with one of . its lateral faces of a perforation (62) in which a retaining screw is housed, which fixes and holds the telescopic truss or extensible extension (80), presenting in the lower area a pronunciation of a rectangular plan (63) emerging transversely, provided of an emergent cylindrical pronunciation (64) located vertically, while on the lower face and in coincidence with the lower area of the body (61), the piece (63) has a tubular pronunciation (65) constituting the anchoring to the struts ( 90).
10.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza (70) constitutiva del tope de final de viga retenedora del último tablero (110) , se configura como un cuerpo (72) que adopta la forma de una "U" invertida, presentando ramas verticales de longitud diferenciada, fijándose y movilizándose sobre la rama de mayor longitud del cuerpo (72) un tornillo (73) posicionado transversalmente, que se ajuste sobre la cercha (10) alojada en el interior del cuerpo (72), disponiendo en la parte superior de la rama horizontal del cuerpo (72) una pronunciación tubular (71) .10. - Recoverable formwork system, according to the first claim, characterized in that the part (70) constituting the end stop of the retaining beam of the last board (110), is configured as a body (72) that takes the form of a " U "inverted, presenting vertical branches of differentiated length, fixing and moving on the branch of greater body length (72) a screw (73) positioned transversely, which fits over the truss (10) housed inside the body (72), having a tubular pronunciation (71) at the top of the horizontal branch of the body (72).
11.- Sistema de encofrado recuperable, según la primera reivindicación, caracterizado porque la pieza (80) constitutiva de la cercha alargadera extensible o cercha telescópica, está formada por dos cuerpos tubulares (81) y (82), alojándose y deslizándose el cuerpo (82) en el interior del cuerpo11.- Recoverable formwork system, according to the first claim, characterized in that the piece (80) constituting the extensible extension truss or telescopic truss, is formed by two tubular bodies (81) and (82), the body being accommodated and sliding ( 82) inside the body
(81) , presentando ambas piezas en uno de sus extremos perforaciones transversales (83) y (84), y disponiendo igualmente en puntos próximos a sus extremos de las caras inferiores de pronunciaciones tubuladuras soldadas (85) y (86), constitutivas de anclaje a los puntales (90) . (81), both pieces presenting at one of their ends transverse perforations (83) and (84), and also disposing at points near their ends of the lower faces of pronounced welded tubing (85) and (86), constituting anchorage to the struts (90).
PCT/ES1999/000306 1998-09-30 1999-09-30 Recoverable formwork system WO2000019038A1 (en)

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AU59849/99A AU5984999A (en) 1998-09-30 1999-09-30 Recoverable formwork system
EP99969763A EP1059402A1 (en) 1998-09-30 1999-09-30 Recoverable formwork system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP9802036 1998-09-30
ES9802036A ES2148096B1 (en) 1998-09-30 1998-09-30 RECOVERY WINDING SYSTEM.

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WO2000019038A1 true WO2000019038A1 (en) 2000-04-06

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AU (1) AU5984999A (en)
ES (1) ES2148096B1 (en)
WO (1) WO2000019038A1 (en)

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CN103276893B (en) * 2013-06-04 2016-05-04 河南国基建设集团有限公司 The construction method of rigidity building template support combinations structure
US11473320B2 (en) * 2016-07-06 2022-10-18 Peri Se Compensating ceiling formwork element for building around an obstacle
CN110778107A (en) * 2018-07-27 2020-02-11 Peri有限公司 Support head with tension beam and floor formwork system connected with same
US11585103B2 (en) * 2018-07-27 2023-02-21 Peri Se Mounting head with anchoring cross-member and ceiling formwork system connected thereto

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ES2148096B1 (en) 2001-04-16

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