G - Physics
09
F
G09F 15/00 (2006.01)
Patent
CA 2383437
The invention relates to a covering body for masts of construction cranes, electricity lines, or the like with an outer covering which is designed to partially or totally encase a mast in the direction of extension and / or peripheral direction and which furthermore has at least one rigid inner support, with which the outer covering can be arranged to be spaced at least partially at a distance from the mast. Finally, a fastening device for fastening the inner support to the mast is provided. Such a covering body according to the invention is further developed in that the inner support, by means of the fastening device, can be connected to the mast rotatably adjustable in the peripheral direction and/or adjustable in the direction of extension and that a device for active and / or passive variation of position and / or geometry of the outer covering is provided. A basic concept of the invention is not to make the covering body rigid, but to connect it to the mast so it can move, whereby it can react flexibly to differing loadings by the wind forces. As a result, the application of even covering bodies having large spatial dimensions is possible on free-standing masts.
L'invention concerne un corps enveloppant destiné à des mâts de grues de chantier, conducteurs électriques ou équivalent et comprenant une enveloppe externe qui est conçue pour envelopper partiellement ou complètement un mât dans le sens longitudinal et/ou circonférentiel, ainsi qu'au moins un support interne rigide qui permet de maintenir l'enveloppe externe au moins partiellement à distance du mât. Un dispositif de fixation permet de fixer le support interne au mât. Selon l'invention, un tel corps enveloppant est amélioré en ce que le support interne est raccordé au mât de façon rotative dans le sens périphérique et/ou mobile dans le sens longitudinal à l'aide du dispositif de fixation et en ce qu'un dispositif permet la variation active et/ou passive de la position et/ou de la géométrie de l'enveloppe externe. Un idée fondamentale de l'invention consiste à relier le corps enveloppant au mât non pas de façon rigide mais mobile, ce qui permet de réagir de façon flexible aux contraintes de différentes forces du vent. Cela permet d'appliquer des corps enveloppants même de grandes dimensions spatiales sur des mâts sur pieds.
Klein Frank
Weiss Markus
Blowup Media Gmbh
G. Ronald Bell & Associates
Mccoy Media Ag
Streif Baulogistik Gmbh
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