WO2007113347A1 - Device for collapsing towers in movable structures - Google Patents

Device for collapsing towers in movable structures Download PDF

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Publication number
WO2007113347A1
WO2007113347A1 PCT/ES2007/000023 ES2007000023W WO2007113347A1 WO 2007113347 A1 WO2007113347 A1 WO 2007113347A1 ES 2007000023 W ES2007000023 W ES 2007000023W WO 2007113347 A1 WO2007113347 A1 WO 2007113347A1
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WO
WIPO (PCT)
Prior art keywords
tower
connecting rod
towers
mobile
situation
Prior art date
Application number
PCT/ES2007/000023
Other languages
Spanish (es)
French (fr)
Other versions
WO2007113347A8 (en
Inventor
Oscar Centelles Vilalta
Original Assignee
Oscar Centelles Vilalta
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 Oscar Centelles Vilalta filed Critical Oscar Centelles Vilalta
Priority to CN2007800109892A priority Critical patent/CN101437746B/en
Priority to US12/095,849 priority patent/US20090019794A1/en
Priority to EP07704737A priority patent/EP2000614A2/en
Publication of WO2007113347A1 publication Critical patent/WO2007113347A1/en
Publication of WO2007113347A8 publication Critical patent/WO2007113347A8/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24Constructional features of stages

Definitions

  • the present invention relates to a device that has been specially designed to facilitate the folding of towers, both in their elevation and in their descent, in mobile structures, such as in structures for services related to the show.
  • the object of the invention is to achieve the reduction of said towers in a quick, easy and simple way, minimizing the risks of accidents during handling.
  • the towers also get down with a trapezoidal system that uses the tower's own engine, the mobilization of the said car, to move from the vertical to the horizontal position, a system that implies unacceptable safety conditions.
  • Equally unsafe is the abatement system based on pulling the tower with a rope or rope, manually pulled with a bull, since it is common for said rope to slide and even break.
  • Crane systems are also used to manipulate the towers, moving them by means of a hook on their upper extremity, but obviously this solution is very expensive due to the investment or rental of said crane.
  • the device for tower abatement that the invention It proposes to solve in a fully satisfactory way the aforementioned problem, constituting a simple and safe structuring, of easy manipulation and fully effective.
  • said device consists of an abutidora piece, as a connecting rod, which articulates the general and basic structure on which the base of the tower is anchored, with the mobile part of said tower, that is to say with the majority part of the same that joins with folding character to the mentioned base, so that these elements, the base set of the general tower-structure, mobile part of the tower and connecting rod form a deformable quadrilateral that allows the moving part of the tower adopt two extreme positions, one horizontal or dejection, and another vertical or use.
  • a piston whose maximum retraction position corresponds to the horizontal or collapsed position of the movable part is established between the middle zone of said crank and the general structure. of the tower, while its situation of maximum extension corresponds in turn with the vertical arrangement for the mobile part of the tower.
  • said piston will be hydraulic, the device having a pressure pump driven by an electric motor with the usual mains voltage, that is to say with a nominal voltage of 220 V in alternating current, but obviously there is the possibility that said piston be replaced by a spindle-nut extension system, in which the said spindle will be directly driven by an electric motor, with virtually no limitation as to the selection possibilities for the mechanism in charge of tilting the connecting rod or piece grinding
  • Figure 1 shows, according to a schematic representation in the side elevation, a mobile structure and a tower, the latter assisted by a device for abatement that constitutes the object of the present invention, in a horizontal position for the tower.
  • Figure 2 shows a representation similar to Figure 1, but corresponding to an intermediate phase of tower elevation.
  • Figure 3. It shows another schematic representation similar to those of Figures 1 and 2, but in which the tower appears completely upright.
  • Figure 4.- Shows, according to a perspective view, the real aspect of part of the structure and one of its towers in the intermediate manipulation position of Figure 2.
  • the general mobile structure that is, removable and transportable, which participates in assemblies for outdoor and similar shows, which for example defines a rectangular frame, in accordance with the representation of the figure 4, in one or in each of whose vertices the fixed base (2) of a tower is established, fixed to the structure (1), base (2) that protrudes in height with respect to the structure (1) and that to through a hinged shaft (3) receives the movable or collapsible part (4) of the tower, which is usually topped by its upper and free end in a crosshead (5), with pulleys or toothed crowns for transmission of movement to belts or chains that, driven by a lower electric motor, allow the lifting and lowering of a car that can be used as a work platform or support for different elements that will be installed at the height defined by the tower.
  • a piston (7) is established which, when in a situation of maximum retraction, determines for the connecting rod ( 6) a position of maximum inclination, and consequently for the mobile part (4) of the tower a horizontal position, the one shown in figure (1), while as it extends it causes the upward tilt of the connecting rod (6 ), with a parallel upward tilt of the mobile part (4) of the tower, as shown in Figure 2, up to a limit situation, which normally should correspond to the maximum extension of said piston (7), in which the The inclination of the connecting rod (6) has exceeded the vertical and is shown in the opposite sign, in which the mobile part (4) of the tower adopts a perfectly vertical arrangement, as an extension of its base (2) and as shown in the figure 3.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Civil Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Jib Cranes (AREA)

Abstract

The device is specially designed to facilitate the collapsing of towers (4) in movable structures that are frequently assembled and dismantled, such as, for example, in the field of the staging of events. The invention consists in establishing, on the tower (4), a fixed, lower base (2) of scant height, which is securely connected to the general structure (1) on which the tower (4) is to be raised, whilst the remaining, principal sector of said tower (4) is connected to the base (2) via a hinging shaft (3), there being established, between the principal sector (4) of the tower and the fixed structure (1), a connecting rod (6) joined in an articulated manner to both elements, which together with those elements and with the base (2) forms a deformable quadrilateral. A hydraulic or pneumatic piston (7) extends between the connecting rod (6) and the fixed structure (1) such that, in a retraction situation, it generates the collapsing of the principal sector (4) of the tower on the structure (1), whilst in a situation of maximum extension it positions said tower (4) vertically.

Description

DTSPOSTTTVO PAKA ARATTMTFNTO DE TOWIIES TCN DTSPOSTTTVO PAKA ARATTMTFNTO OF TOWIIES TCN
ESTKTTCTTTRAS MÓVΪT.ESESTKTTCTTTRAS MÓVΪT.ES
D E S Γ K T P C T O ND E S Γ K T P C T O N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a un dispositivo que ha sido especialmente concebido para facilitar el abatimiento de torres, tanto en su elevación como en su descenso, en estructuras móviles, como por ejemplo en estructuras para servicios relacionados con el espectáculo.The present invention relates to a device that has been specially designed to facilitate the folding of towers, both in their elevation and in their descent, in mobile structures, such as in structures for services related to the show.
El objeto de la invención es conseguir el abatimiento de dichas torres de una manera rápida, fácil y sencilla, minimizando de forma muy considerable los riesgos de accidentes durante su manipulación.The object of the invention is to achieve the reduction of said towers in a quick, easy and simple way, minimizing the risks of accidents during handling.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
En eventos al aire libre se utilizan habitualmente estructuras, que se montan temporalmente sobre el terreno, y en dichas estructuras participan torres de considerable altura, por las que generalmente suelen ser deslizantes respectivos carros capaces de alcanzar la cota determinada por la altura de la correspondiente torre, de manera que estos carros pueden ser portadores de medios de iluminación del evento, de cámaras para filmación del mismo, etc.In outdoor events, structures are used, which are temporarily mounted on the ground, and in these structures there are towers of considerable height, for which usually they are usually sliding respective cars capable of reaching the level determined by the height of the corresponding tower , so that these cars can be carriers of lighting means of the event, cameras for filming it, etc.
Estos espectáculos suelen ser de escasa repetitividad, en muchas ocasiones de una sola actuación en el determinado lugar, de manera que el abatimiento de las torres constituye una tarea constante, prácticamente diaria.These shows are usually of low repetitiveness, in many occasions of a single action in the determined place, so that the dejection of the towers constitutes a constant, practically daily task.
En la actualidad y para llevar a cabo estas maniobras de manipulación de las torres, se utiliza fundamentalmente mano de obra, habitualmente con el concurso de diez personas que tiran de la torre por ambos lados de la misma, para que ésta pase de la posición horizontal a la vertical y viceversa, solución poco fiable y segura, que evidentemente necesita además de una considerable participación de mano de obra.At present and to carry out these maneuvers of manipulation of the towers, labor is used mainly, usually with the contest of ten people who pull the tower on both sides of it, so that it passes from the horizontal position to the vertical and vice versa, unreliable and safe solution, which obviously needs in addition to a considerable participation of labor.
En ocasiones las torres también se abaten con un sistema trapezoidal que utiliza el propio motor de la torre, el de movilización del citado carro, para pasar de la posición vertical a la horizontal, sistema que supone unas condiciones de seguridad inaceptables.Sometimes the towers also get down with a trapezoidal system that uses the tower's own engine, the mobilization of the said car, to move from the vertical to the horizontal position, a system that implies unacceptable safety conditions.
Igualmente inseguro es el sistema de abatimiento basado en traccionar de la torre con una cuerda o soga, traccionada manualmente con un torito, ya que es frecuente que dicha cuerda se deslice e incluso se rompa.Equally unsafe is the abatement system based on pulling the tower with a rope or rope, manually pulled with a bull, since it is common for said rope to slide and even break.
También se utilizan sistemas de grúa para manipular las torres, andándolas mediante un gancho en su extremidad superior, pero evidentemente ésta solución resulta muy costosa por la inversión o el alquiler de dicha grúa.Crane systems are also used to manipulate the towers, moving them by means of a hook on their upper extremity, but obviously this solution is very expensive due to the investment or rental of said crane.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
El dispositivo para abatimiento de torres que la invención propone resuelve de manera plenamente satisfactoria la problemática anteriormente expuesta, constituyendo una estructuración simple y segura, de fácil manipulación y plenamente eficaz.The device for tower abatement that the invention It proposes to solve in a fully satisfactory way the aforementioned problem, constituting a simple and safe structuring, of easy manipulation and fully effective.
Para ello y de forma más concreta dicho dispositivo consiste en una pieza abatidora, a modo de biela, que relaciona articuladamente la estructura general y básica sobre la que está anclada la base de la torre, con la parte móvil de dicha torre, es decir con la parte mayoritaria de la misma que se une con carácter abatible a la citada base, de manera que éstos elementos, el conjunto base de la torre-estructura general, parte móvil de la torre y biela configuran un cuadrilátero deformable que permite a la parte móvil de la torre adoptar dos posiciones extremas, una horizontal o de abatimiento, y otra vertical o de uso.For this, and more specifically, said device consists of an abutidora piece, as a connecting rod, which articulates the general and basic structure on which the base of the tower is anchored, with the mobile part of said tower, that is to say with the majority part of the same that joins with folding character to the mentioned base, so that these elements, the base set of the general tower-structure, mobile part of the tower and connecting rod form a deformable quadrilateral that allows the moving part of the tower adopt two extreme positions, one horizontal or dejection, and another vertical or use.
Para el cambio de una a otra posición de la citada parte móvil de la torre, entre la zona media de la mencionada biela y la estructura general se establece un pistón cuya situación de máxima retracción se corresponde con la posición horizontal o abatida de la parte móvil de la torre, mientras que su situación de máxima extensión se corresponde a su vez con la disposición vertical para la parte móvil de la torre.For the change from one position to another of the aforementioned mobile part of the tower, a piston whose maximum retraction position corresponds to the horizontal or collapsed position of the movable part is established between the middle zone of said crank and the general structure. of the tower, while its situation of maximum extension corresponds in turn with the vertical arrangement for the mobile part of the tower.
Preferentemente el citado pistón será hidráulico, contando el dispositivo con una bomba de presión accionada por un motor eléctrico con la tensión habitual de red, es decir con una tensión nominal de 220 V en corriente alterna, pero obviamente existe la posibilidad de que el citado pistón sea sustituido por un sistema de extensión "husillo-tuerca", en el que el citado husillo será directamente accionado por un motor eléctrico, sin que prácticamente exista limitación alguna en cuanto a las posibilidades de selección para el mecanismo encargado de hacer bascular la biela o pieza abatidora.Preferably said piston will be hydraulic, the device having a pressure pump driven by an electric motor with the usual mains voltage, that is to say with a nominal voltage of 220 V in alternating current, but obviously there is the possibility that said piston be replaced by a spindle-nut extension system, in which the said spindle will be directly driven by an electric motor, with virtually no limitation as to the selection possibilities for the mechanism in charge of tilting the connecting rod or piece grinding
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, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde 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 characteristics of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. In an illustrative and non-limiting manner, the following has been represented:
La figura 1.- Muestra, según una representación esquemática en el alzado lateral, una estructura móvil y una torre, esta última asistida por un dispositivo para abatimiento que constituye el objeto de la presente invención, en situación horizontal para la torre.Figure 1 shows, according to a schematic representation in the side elevation, a mobile structure and a tower, the latter assisted by a device for abatement that constitutes the object of the present invention, in a horizontal position for the tower.
La figura 2.- Muestra una representación similar a la figura 1, pero correspondiente a una fase intermedia de elevación de la torre.Figure 2 shows a representation similar to Figure 1, but corresponding to an intermediate phase of tower elevation.
La figura 3.- Muestra otra representación esquemática similar a las de las figuras 1 y 2, pero en la que la torre aparece totalmente erguida.Figure 3.- It shows another schematic representation similar to those of Figures 1 and 2, but in which the tower appears completely upright.
La figura 4.- Muestra, según una vista en perspectiva, el aspecto real de parte de la estructura y una de sus torres en la posición de manipulación intermedia de la figura 2.Figure 4.- Shows, according to a perspective view, the real aspect of part of the structure and one of its towers in the intermediate manipulation position of Figure 2.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN En las figuras reseñadas se ha referenciado con (1) la estructura general móvil, es decir desmontable y transportable, que participa en montajes para espectáculos al aire libre y similares, que por ejemplo define un marco rectangular, de acuerdo con la representación de la figura 4, en uno o en cada uno de cuyos vértices se establece la base fija (2) de una torre, fija a la estructura (1), base (2) que sobresale en altura con respecto a la estructura (1) y que a través de un eje de abisagramiento (3) recibe a la parte móvil o abatible (4) de la torre, la cual se remata habitualmente por su extremidad superior y libre en una cruceta (5), con poleas o coronas dentadas para transmisión de movimiento a correas o cadenas que, accionadas por un motor eléctrico inferior, permiten la elevación y descenso de un carro utilizable en funciones de plataforma de trabajo o de soporte para diferentes elementos que van a ser instalados a la altura definida por la torre.PREFERRED EMBODIMENT OF THE INVENTION In the figures described, reference has been made to (1) the general mobile structure, that is, removable and transportable, which participates in assemblies for outdoor and similar shows, which for example defines a rectangular frame, in accordance with the representation of the figure 4, in one or in each of whose vertices the fixed base (2) of a tower is established, fixed to the structure (1), base (2) that protrudes in height with respect to the structure (1) and that to through a hinged shaft (3) receives the movable or collapsible part (4) of the tower, which is usually topped by its upper and free end in a crosshead (5), with pulleys or toothed crowns for transmission of movement to belts or chains that, driven by a lower electric motor, allow the lifting and lowering of a car that can be used as a work platform or support for different elements that will be installed at the height defined by the tower.
Pues bien, a partir de ésta estructuración básica y convencional, y de acuerdo ya con la invención, entre la estructura general (1) y la parte móvil (4) de la torre se establece una biela o pieza abatidora (6), unida articuladamente a las dos piezas las que relaciona y que con estas últimas y como se observa en las figuras 1 a 3 configura un paralelogramo deformable en el que dos de sus lados, los correspondientes o definidos por la estructura general (1) y la base fija (2) de la torre, se mantienen inmóviles, mientras que los otros dos son susceptibles de cambiar de posición, concretamente de variar su inclinación desde la posición mostrada en la figura 1 a la posición mostrada en la figura 3, respectivamente correspondientes a la situación de abatimiento u horizontalidad de la parte móvil (4) de la torre y la de verticalidad de la misma.Well, from this basic and conventional structuring, and in accordance with the invention, between the general structure (1) and the mobile part (4) of the tower a connecting rod or abutidora piece (6) is established, articulated together to the two pieces which he relates and which with the latter and as seen in figures 1 to 3 he configures a deformable parallelogram in which two of its sides, the corresponding or defined by the general structure (1) and the fixed base ( 2) of the tower, they remain immobile, while the other two are capable of changing position, specifically varying their inclination from the position shown in Figure 1 to the position shown in Figure 3, respectively corresponding to the situation of abatement or horizontality of the mobile part (4) of the tower and its verticality.
Para conseguir este cambio de posición en la parte móvil (4) de la torre, de una manera cómoda, segura y sencilla, entre la zona media de la biela (6) y la estructura general (1) se establece un pistón (7) que cuando se encuentra en situación de máxima retracción determina para la biela (6) una posición de máxima inclinación, y consecuentemente para la parte móvil (4) de la torre una posición de horizontalidad, la mostrada en la figura (1), mientras que a medida que se extiende provoca la basculación ascendente de la biela (6), con una paralela basculación también ascendente de la parte móvil (4) de la torre, tal como muestra la figura 2, hasta una situación límite, que normalmente deberá corresponderse con la máxima extensión de dicho pistón (7), en la que la inclinación de la biela (6) ha sobrepasado la vertical y se muestra de signo contrario, en la que la parte móvil (4) de la torre adopta una disposición perfectamente vertical, como prolongación de su base (2) y tal como muestra la figura 3.To achieve this change of position in the mobile part (4) of the tower, in a comfortable, safe and simple way, between the middle zone of the connecting rod (6) and the general structure (1) a piston (7) is established which, when in a situation of maximum retraction, determines for the connecting rod ( 6) a position of maximum inclination, and consequently for the mobile part (4) of the tower a horizontal position, the one shown in figure (1), while as it extends it causes the upward tilt of the connecting rod (6 ), with a parallel upward tilt of the mobile part (4) of the tower, as shown in Figure 2, up to a limit situation, which normally should correspond to the maximum extension of said piston (7), in which the The inclination of the connecting rod (6) has exceeded the vertical and is shown in the opposite sign, in which the mobile part (4) of the tower adopts a perfectly vertical arrangement, as an extension of its base (2) and as shown in the figure 3.
Solo resta señalar por último que, como es evidente, la biela o pieza abatidora (6) y el pistón (7) deben ser eliminados mientras la estructura móvil se encuentra en situación de uso o de transporte, a cuyo efecto la estructura general y la torre deben incorporara medios de acoplamiento/desacoplamiento rápido tanto para la biela como para el pistón, lo mismo que sucede con estos elementos entre sí, y de manera también que un único dispositivo resulta utilizable en las múltiples torres que pueden participar en una determinada estructura. It only remains to note finally that, as is evident, the connecting rod (6) and the piston (7) must be removed while the mobile structure is in use or transport situation, for which purpose the general structure and the Tower must incorporate quick coupling / uncoupling means for both the connecting rod and the piston, the same as with these elements, and so that a single device is usable in the multiple towers that can participate in a certain structure.

Claims

R F T V T N Ώ T Γ A Γ T O N F SR F T V T N Ώ T Γ A Γ T O N F S
Ia.- Dispositivo para abatimiento de torres en estructuras móviles, como por ejemplo en estructuras para servicios relacionados con el espectáculo, donde dichas torres presentan una corta base rígidamente unida a la estructura general y a la que se une abisagradamente una parte móvil y mayoritaria susceptible de adoptar una disposición vertical, como prolongación de su base, o una disposición horizontal de abatimiento sobre la estructura general, caracterizado porque consiste en una biela o pieza abatidora que se une articuladamente por sus extremos a la estructura general y a la parte móvil de la torre, de manera que configura con estos elementos y con la base de la torre un paralelogramo deformable, en el que en situación límite de abatimiento, en la que la parte móvil de la torre adopta una posición horizontal, la biela adopta una disposición acusadamente inclinada a partir de la que bascula progresivamente hacia la vertical, a medida que la parte móvil de la torre bascula también hacia la vertical, adoptando una inclinación de sentido contrario en la situación límite en la que dicha parte móvil de la torre se sitúa en alineación vertical con la base de la misma, contando dicha biela o pieza abatidora con medios de accionamiento de la misma en sentido de basculación.I to .- device for lowering towers in mobile structures, such as in structures for services related to show business , wherein said towers have a short base rigidly attached the overall structure and that binds a mobile and hingedly preponderant part susceptible of adopting a vertical arrangement, as an extension of its base, or a horizontal arrangement of abatement on the general structure, characterized in that it consists of a connecting rod or piece that joins together at its ends to the general structure and to the mobile part of the tower , so that it configures with these elements and with the base of the tower a deformable parallelogram, in which in a situation of limit of despondency, in which the mobile part of the tower adopts a horizontal position, the connecting rod adopts a sharply inclined arrangement to from which it tilts progressively towards the vertical, as the mobile part of the bas tower It also moves towards the vertical, adopting an inclination of opposite direction in the limit situation in which said mobile part of the tower is placed in vertical alignment with the base thereof, said connecting rod or abutidora piece with means of actuation of the same in the direction of tilting.
2a.- Dispositivo para abatimiento de torres en estructuras móviles, según reivindicación Ia, caracterizado porque los citados medios de accionamiento de la biela o pieza abatidora consisten en un pistón establecido entre el punto medio de la biela y la estructura general, unido articuladamente a estos elementos y accionado por una bomba hidráulica, accionada a su vez por un motor eléctrico, todo ello de forma que en situación de máxima retracción para dicho pistón la parte móvil de la torre adopta un posicionamiento horizontal, mientras que en situación de máxima extensión para el pistón la parte móvil de la torre adopta una posición vertical. 2 .- device for lowering towers in mobile structures according to claim I, characterized in that said means for actuating the rod or piece consist of a piston abatidora established between the general middle point of the connecting rod and the structure, joined articulatedly to these elements and driven by a hydraulic pump, driven in turn by an electric motor, all so that in a situation of maximum retraction for said piston the mobile part of the tower it adopts a horizontal positioning, while in a situation of maximum extension for the piston the mobile part of the tower adopts a vertical position.
PCT/ES2007/000023 2006-03-30 2007-01-19 Device for collapsing towers in movable structures WO2007113347A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2007800109892A CN101437746B (en) 2006-03-30 2007-01-19 Device for collapsing towers in movable structures
US12/095,849 US20090019794A1 (en) 2006-03-30 2007-01-19 Device for collapsing towers in movable structures
EP07704737A EP2000614A2 (en) 2006-03-30 2007-01-19 Device for collapsing towers in movable structures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU200600746 2006-03-30
ES200600746U ES1062685Y (en) 2006-03-30 2006-03-30 DEVICE FOR OPENING TOWERS IN MOBILE STRUCTURES

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WO2007113347A1 true WO2007113347A1 (en) 2007-10-11
WO2007113347A8 WO2007113347A8 (en) 2009-03-05

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JPH04309673A (en) * 1991-04-08 1992-11-02 Toshiba Corp Device for inclining floor surface of stage
ES2211513T3 (en) * 2000-03-21 2004-07-16 Ulma, C Y E, S. Coop. PERFECTED SCENARIO.

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ES1062685Y (en) 2006-10-16
EP2000614A2 (en) 2008-12-10
EP2000614A9 (en) 2009-03-11
ES1062685U (en) 2006-07-16
CN101437746A (en) 2009-05-20
WO2007113347A8 (en) 2009-03-05
CN101437746B (en) 2011-09-28

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