WO2005082770A1 - Load-handling crane - Google Patents

Load-handling crane Download PDF

Info

Publication number
WO2005082770A1
WO2005082770A1 PCT/ES2005/000086 ES2005000086W WO2005082770A1 WO 2005082770 A1 WO2005082770 A1 WO 2005082770A1 ES 2005000086 W ES2005000086 W ES 2005000086W WO 2005082770 A1 WO2005082770 A1 WO 2005082770A1
Authority
WO
WIPO (PCT)
Prior art keywords
load
crane
carriage
video camera
area
Prior art date
Application number
PCT/ES2005/000086
Other languages
Spanish (es)
French (fr)
Inventor
Atilano Fernandez Matos
Original Assignee
Promociones Y Construcciones Onalita, S.L.
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 Promociones Y Construcciones Onalita, S.L. filed Critical Promociones Y Construcciones Onalita, S.L.
Publication of WO2005082770A1 publication Critical patent/WO2005082770A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/40—Crane hooks formed or fitted with load measuring or indicating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/46—Position indicators for suspended loads or for crane elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to a crane for handling loads, of the type of large dimensions and those used, for example, in construction sites, a crane that has the particularity of incorporating in the corresponding suspension and handling carriage of the load, a video camera focused vertically towards the ground so that at all times it makes the recording of both the load and the area surrounding it, so that that recording camera in combination of a closed circuit of TV pe ⁇ ite to the manipulator from the crane a perfect visualization of the route and place where the load itself is at each moment.
  • the crane for handling loads that is recommended, has been designed to solve the above-mentioned problem, based on the structure of a conventional crane but with the novelty or special particularity that under the movable car on the crane boom, car on the one that will always be suspended from the load, is placed a video camera focused vertically towards the ground, carrying out a permanent recording of both the load and the area surrounding it, a closed television circuit belonging to said camera in which the display screen can be located in a suitable place, for example, in the remote control itself or in any place of the desired work.
  • Figure 1 shows a side elevation view of a crane manipulating a load and incorporating in the corresponding suspension car of said load a video camera focused vertically downwards, specifically the load and the surrounding area thereof.
  • Figure 2 shows a detail of the arrangement and orientation of the video camera on the corresponding crane car.
  • the crane of the invention can be seen, constituted as is conventional from a column (1) with its corresponding boom (2) which is rotatable with respect to its mounting point (3) on the vertical and static column (1), said boom (2) being of the crane provided with the respective carriage (4) movable along such pen (2) and whose carriage (4) the corresponding load (5) is suspended, all in a conventional manner.
  • the novelty of the invention is that a video camera (6) vertically focused downwards is placed under the car (4), so that said camera (6) will record in all moment both the load (5) and the area surrounding it, so that in combination with a closed circuit television belonging to said camera (6), it can be displayed on a screen located in a suitable place, for example in the own remote control or anywhere in the desired work, which will allow the person who handles the crane to know at all times where the load is located and if it is in its movements of movement to one side or another, the of elevation and descent, it is close to obstacles that are outside the natural vision of the person who manipulates the crane.
  • the video camera (6) will be located under the carriage (4) in a situation that is substantially offset laterally with respect to the counterweight (7) of the hook (8), so that the latter do not interfere with the vision by the chamber of the crane's work area, that is to say the area (9) surrounding the bucket (5) to be manipulated by the crane, or any other object in question.
  • the aforementioned remote control for functional control of the crane can be connected by cables to the motors that move the car and its pulleys, and in other cases the connection can be wireless, that is to say by radio, a solution that is usual in both cases.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Jib Cranes (AREA)

Abstract

The invention relates to a load-handling crane conventionally consisting of a fixed vertical pillar provided with a crane arm which is rotatively and horizontally mounted thereon and which is provided with a carriage sliding along said arm, the loading being hanged to said carriage in such a way that it is liftable or lowerable and placeable at a given location. A video camera which is vertically focused towards the ground and used for recording the load hanged to the carriage and the area therearound is disposed under the load bearing carrier. Said camera is characterised in that it is associated with a closed TV circuit whose visualisation screen is arrangeable in the adequate area, including remote control or in any desired area of a worksite in such a way that the exact position of the load is known at any moment.

Description

RÚA PARA MANIPULACIÓN Π CARCAS ROUTE FOR HANDLING Π CARCAS
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 invención se refiere a una grúa para manipulación de cargas, del tipo de las de grandes dimensiones y de las utilizadas, por ejemplo, en las obras de construcción, grúa que presenta la particularidad de incorporar en el correspondiente carro de suspensión y manipulación de la carga, una cámara de vídeo enfocada verticalmente hacia el suelo para que en todo momento efectúe la grabación tanto de la carga como del área circundante a la misma, de manera que esa cámara de grabación en combinación de un circuito cerrado de TV peπΗite al manipulador de la grúa una perfecta visualización del recorrido y lugar en que se encuentra en cada momento la propia carga.The present invention relates to a crane for handling loads, of the type of large dimensions and those used, for example, in construction sites, a crane that has the particularity of incorporating in the corresponding suspension and handling carriage of the load, a video camera focused vertically towards the ground so that at all times it makes the recording of both the load and the area surrounding it, so that that recording camera in combination of a closed circuit of TV peπΗite to the manipulator from the crane a perfect visualization of the route and place where the load itself is at each moment.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
En determinadas actividades como son obras de construcción, se utilizan grúas de grandes dimensiones para manipular cargas importantes, por ejemplo, palets de ladrillos, contenedores de hormigón, perfiles de vigas, etc, de manera que en muchas ocasiones ese tipo de objetos deben ser depositados en un lugar muy concreto.In certain activities such as construction sites, large cranes are used to handle important loads, for example, brick pallets, concrete containers, beam profiles, etc., so that in many cases such objects must be deposited. In a very specific place.
Pues bien, las grandes dimensiones de la grúa y en ocasiones la distancia que debe existir entre el punto de posición de la carga y el punto donde está situado el que manipula la grúa, puede dar lugar a maniobras erróneas e incluso con riesgo de caída de la carga, por ejemplo, cuando un palet debe depositarse junto al borde de un forjado, existiendo incluso en ocasiones obstáculos intermedios que dificultan la visión.Well, the large dimensions of the crane and sometimes the distance that must exist between the point of position of the load and the point where the crane manipulator is located, it can lead to erroneous maneuvers and even with a risk of falling of the load, for example, when a pallet must be deposited next to the edge of a floor, there are even sometimes intermediate obstacles that make vision difficult .
Todo esto requiere la utilización de personal altamente cualificado y la notable pérdida de tiempo en las maniobras, a pesar de lo cual se corre el riesgo de accidentes originados por un mal conocimiento de la situación de la carga en cada momento, accidentes que no solamente pueden derivar en la caída de la carga o en un mal posicionado de ésta, o choque de la misma contra objetos, sino que en esas caídas o golpes puedan afectar apersonas.All this requires the use of highly qualified personnel and the significant loss of time in the maneuvers, despite which there is a risk of accidents caused by a poor knowledge of the situation of the load at any time, accidents that not only can derive in the fall of the load or in a badly positioned of it, or collision of the same against objects, but in those falls or blows they can affect people.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
La grúa para manipulación de cargas que se preconiza, ha sido concebida para resolver la problemática anteriormente expuesta, basándose en la estructura de una grúa convencional pero con la novedad o especial particularidad de que bajo el carro desplazable sobre la pluma de la grúa, carro sobre el que va a quedar siempre suspendida de la carga, va situada una cámara de vídeo enfocada verticalmente hacia el suelo, llevando a cabo una grabación permanente tanto de la carga como del área circundante a la misma, perteneciendo a dicha cámara un circuito cerrado de televisión en el que la pantalla de visualización puede estar situada en un lugar adecuado, por ejemplo, en el propio mando a distancia o en cualquier lugar de la obra que se desee.The crane for handling loads that is recommended, has been designed to solve the above-mentioned problem, based on the structure of a conventional crane but with the novelty or special particularity that under the movable car on the crane boom, car on the one that will always be suspended from the load, is placed a video camera focused vertically towards the ground, carrying out a permanent recording of both the load and the area surrounding it, a closed television circuit belonging to said camera in which the display screen can be located in a suitable place, for example, in the remote control itself or in any place of the desired work.
De esta manera, la persona que maneja la grúa con el mando a distancia, podrá conocer en todo momento la situación de la carga y si se encuentra próxima a algún obstáculo que desde su punto de operaciones no pudiera ver, lo que permite situar a dicha persona en cualquier lugar de la obra y realizar las operaciones con total fiabilidad y eficacia, ya que el campo de visión que le ofrece la pantalla de visualización del circuito cerrado de televisión conectado a la cámara de vídeo, le otorga el campo de visión total en el que se encuentra la carga y el área circundante de la misma.In this way, the person who manages the crane with the remote control, will be able to know at all times the situation of the load and if It is close to some obstacle that from its point of operations could not see, which allows to place this person in any place of the work and perform the operations with total reliability and efficiency, since the field of vision offered by the screen of Visualization of the closed circuit television connected to the video camera, gives you the total field of vision in which the load is located and the surrounding area of the same.
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:
Figura 1: muestra una vista en alzado lateral de una grúa manipulando una carga e incorporando en el correspondiente carro de suspensión de dicha carga una cámara de vídeo enfocada verticalmente hacia abajo, concretamente a la carga y al área circundante de la misma.Figure 1: shows a side elevation view of a crane manipulating a load and incorporating in the corresponding suspension car of said load a video camera focused vertically downwards, specifically the load and the surrounding area thereof.
Figura 2: muestra un detalle de la disposición y orientación de la cámara de vídeo sobre el correspondiente carro de la grúa.Figure 2: shows a detail of the arrangement and orientation of the video camera on the corresponding crane car.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de las figuras reseñadas puede observarse la grúa de la invención, constituida como es convencional a partir de una columna (1) con su correspondiente pluma (2) que es giratoria respecto de su punto (3) de montaje sobre la columna vertical y estática (1), estando dicha pluma (2) de la grúa dotada del respectivo carro (4) desplazable a lo largo de tal pluma (2) y de cuyo carro (4) queda suspendida la correspondiente carga (5), todo ello de forma convencional.In view of the figures outlined, the crane of the invention can be seen, constituted as is conventional from a column (1) with its corresponding boom (2) which is rotatable with respect to its mounting point (3) on the vertical and static column (1), said boom (2) being of the crane provided with the respective carriage (4) movable along such pen (2) and whose carriage (4) the corresponding load (5) is suspended, all in a conventional manner.
Pues bien, a partir de estas características, la novedad de la invención consiste en que bajo el carro (4) va situada una cámara de vídeo (6) enfocada verticalmente hacia abajo, de manera que dicha cámara (6) va a grabar en todo momento tanto la carga (5) como el área circundante a la misma, de manera tal que en combinación con un circuito cerrado de televisión perteneciente a dicha cámara (6), podrá visualizarse en una pantalla situada en un lugar adecuado, por ejemplo en el propio mando a distancia o en cualquier lugar en la obra que se desee, lo que permitirá a la persona que manipule la grúa conocer en todo momento donde se encuentra situada la carga y si ésta en sus movimientos de desplazamiento hacia un lado u otro, los de elevación y descenso, se encuentra próxima a obstáculos que quedan fuera de la visión natural de la persona que manipula la grúa. Preferentemente, la cámara de vídeo (6) quedará situada bajo el carro (4) en situación sensiblemente desfasada en sentido lateral con respecto al contrapeso (7) del gancho (8), para que éstos últimos no interfieran en la visión por parte de la cámara del área de trabajo de la grúa, es decir de la zona (9) circundante de la cubeta (5) a manipular por la grúa, o de cualquier otro objeto de que se trate.Well, based on these characteristics, the novelty of the invention is that a video camera (6) vertically focused downwards is placed under the car (4), so that said camera (6) will record in all moment both the load (5) and the area surrounding it, so that in combination with a closed circuit television belonging to said camera (6), it can be displayed on a screen located in a suitable place, for example in the own remote control or anywhere in the desired work, which will allow the person who handles the crane to know at all times where the load is located and if it is in its movements of movement to one side or another, the of elevation and descent, it is close to obstacles that are outside the natural vision of the person who manipulates the crane. Preferably, the video camera (6) will be located under the carriage (4) in a situation that is substantially offset laterally with respect to the counterweight (7) of the hook (8), so that the latter do not interfere with the vision by the chamber of the crane's work area, that is to say the area (9) surrounding the bucket (5) to be manipulated by the crane, or any other object in question.
Por consiguiente, mediante la novedad que incorpora la grúa de la invención, se logra una precisión a la hora de mover la carga (5), evitando el obstáculo y los peligros que conlleva la mala visibilidad de la zona de carga y descarga, ahorrando tiempo y evitando riesgos. Finalmente, decir que el comentado mando a distancia para control funcional de la grúa, puede estar conectado mediante cables a los motores que mueven el carro y sus poleas, y en otros casos la conexión puede ser inalámbrica, es decir mediante radio, solución que es habitual en ambos casos. Therefore, by means of the novelty that incorporates the crane of the invention, precision is achieved when moving the load (5), avoiding the obstacle and the dangers of the poor visibility of the loading and unloading area, saving time and avoiding risks. Finally, to say that the aforementioned remote control for functional control of the crane, can be connected by cables to the motors that move the car and its pulleys, and in other cases the connection can be wireless, that is to say by radio, a solution that is usual in both cases.

Claims

R F I V T N D T C A C T O N F SR F I V T N D T C A C T O N F S
Ia.- Grúa para manipulación de cargas, que constituyéndose, como es convencional, a partir de una columna vertical y fija sobre la que monta con carácter giratorio y en horizontal una pluma portadora de un carro deslizante sobre dicha pluma y de cuyo carro queda suspendida la carga para la elevación o descenso de ésta, así como para depositarla en un determinado lugar, se caracteriza porque bajo el carro de suspensión de la carga correspondiente a la grúa, va dispuesta una cámara de vídeo enfocada verticalmente hacia el suelo para el grabado de la carga suspendida del carro y del área circundante a dicha carga, con la particularidad de que a dicha cámara de vídeo va asociado un circuito cerrado de televisión cuya pantalla de visualización es susceptible de estar situada en ün lugar adecuado, en el propio mando a distancia o en cualquier lugar de la obra que se desee, para conocer en todo momento la situación exacta de la carga. I a .- Crane for handling loads, which, as is conventional, being constituted from a vertical and fixed column on which it mounts with a rotating and horizontal character a pen carrying a sliding carriage on said boom and whose carriage remains Suspended the load for lifting or lowering it, as well as to deposit it in a certain place, it is characterized because under the suspension car of the load corresponding to the crane, a video camera is arranged vertically focused towards the ground for engraving of the suspended load of the car and the area surrounding said load, with the particularity that a closed television circuit is associated to said video camera whose display screen is likely to be located in a suitable place, on the remote control itself. distance or anywhere in the desired work, to know at all times the exact situation of the load.
PCT/ES2005/000086 2004-02-26 2005-02-24 Load-handling crane WO2005082770A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200400439U ES1056945Y (en) 2004-02-26 2004-02-26 CRANE FOR HANDLING LOADS.
ESU200400439 2004-02-26

Publications (1)

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WO2005082770A1 true WO2005082770A1 (en) 2005-09-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012012116U1 (en) 2012-12-17 2014-03-19 Liebherr-Components Biberach Gmbh Tower Crane
DE202019102393U1 (en) 2019-03-08 2020-06-09 Liebherr-Werk Biberach Gmbh Crane and device for its control
DE102021130785A1 (en) 2021-11-24 2023-05-25 Liebherr-Werk Biberach Gmbh crane
WO2023151967A1 (en) 2022-02-11 2023-08-17 Liebherr-Werk Biberach Gmbh Crane

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Publication number Priority date Publication date Assignee Title
ES2346610B1 (en) * 2007-11-06 2011-08-03 Ovidio Rubio Sanchez VISUAL CONTROL DEVICE FOR EXCAVATORS.

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FR1380499A (en) * 1963-08-22 1964-12-04 Thew Shovel Co Indicator for cranes
JPH03279195A (en) * 1990-03-27 1991-12-10 Takenaka Komuten Co Ltd Work field monitoring system
JPH05147882A (en) * 1991-11-29 1993-06-15 Shimadzu Corp Crane controller
JPH05246683A (en) * 1992-03-03 1993-09-24 Mitsubishi Heavy Ind Ltd Operation method of crane
JPH07309578A (en) * 1994-05-17 1995-11-28 Ohbayashi Corp Monitoring device for crane
US6351720B1 (en) * 1997-10-24 2002-02-26 Mitsubishi Heavy Industries, Ltd. Trolley camera position detecting apparatus

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012012116U1 (en) 2012-12-17 2014-03-19 Liebherr-Components Biberach Gmbh Tower Crane
WO2014095028A1 (en) * 2012-12-17 2014-06-26 Liebherr-Components Biberach Gmbh Rotating tower crane
US9738493B2 (en) 2012-12-17 2017-08-22 Liebherr-Components Biberach Gmbh Tower slewing crane
DE202019102393U1 (en) 2019-03-08 2020-06-09 Liebherr-Werk Biberach Gmbh Crane and device for its control
WO2020182592A1 (en) 2019-03-08 2020-09-17 Liebherr-Werk Biberach Gmbh Crane and device for controlling same
US11932517B2 (en) 2019-03-08 2024-03-19 Liebherr-Werk Biberach Gmbh Crane and device for controlling same
DE102021130785A1 (en) 2021-11-24 2023-05-25 Liebherr-Werk Biberach Gmbh crane
WO2023094516A1 (en) 2021-11-24 2023-06-01 Liebherr-Werk Biberach Gmbh Crane
WO2023151967A1 (en) 2022-02-11 2023-08-17 Liebherr-Werk Biberach Gmbh Crane
DE102022103283A1 (en) 2022-02-11 2023-08-17 Liebherr-Werk Biberach Gmbh crane

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Publication number Publication date
ES1056945U (en) 2004-06-01
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