E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/67
E04G 11/22 (2006.01)
Patent
CA 1144772
Abstract In the device for lifting sliding molds at steel bars according to the sliding mold system for the production of concrete buildings etc. having variable cross sections of straight and curved walls, use is made of a support scaffolding comprising hoists operating mechanically or hydraulically to lift it. To this effect, a system of beams mounted in star form, of yoke structures is provided which carry slide molds displaceable in radial direction. In addition, adjusting of the radially movable yoke structures is performed by a ring-shaped frame-work construction which consists of a frame-work being repeated per support unit each, and which, along the periphery of the building is connected tangentially and arranged in ring symmetry. The frame system and the control device for adjusting and guiding the sliding molds comprises a yoke structure (6) which has a traverse (11) provided below the hoist (2) and secured thereto, and a traverse (14) extending above the hoist (2). The inner and the outer yoke post (7,8) are flexibly connected to the traverses (11,14). Moreover, the ends of the traverses at the side of the inner yoke post (7) are flexibly connected by the latter and the free end of the upper traverse (14) with the outer yoke post (8) by a brace (18) adjustable in length. In this connection, the adjustable parallelogram-shaped yoke structure (6) formed by the traverses (11,14) and of the yoke posts (7,8) is supported to be displaceable in total along a star beam (27). By this means, the yoke posts of the yoke structure are in parallel to the axis of the wall under erection, and the lower and upper traverses of the yoke structures as well as the traverse of the working and hanging platform may be easily maintained to extend in horizontal direction. (Fig.1.)
363938
Ahl Bernhard
Gowling Lafleur Henderson Llp
LandOfFree
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