SU1721005A1 - Method of changing horizontal position of structure to vertical one - Google Patents

Abstract

The invention relates to installation work, in particular to methods of mounting vertical structures. The purpose of the invention is to simplify installation. Prior to lifting to the vertical structure 1, laid out on supports and fitted with mounting nipples 3 in its upper part and with an eye 4 in the lower part, weights 8 are attached to the lower part of the generator on the generator. and for an eye 4, a crane 7. At the same time, the eye 4 is located between fittings 3 and preloading 8 along the length of structure 1. Preload 8 is also secured to the structure offset from the horizontal plane and offset from the vertical plane passing through the longitudinal axisDesign 1. Further the installation is performed on a foundation structure 1 by first lifting the top of the simultaneous separation from the ground and dragging the top of the structure 1, 4 il. THX

Description

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Claims (3)

Claim The method of translating the structure from horizontal to vertical position, namely, that the structure is lifted and simultaneously rotated relative to the horizontal axis, intersected with the longitudinal axis of the structure and combined with the axes of the sling devices mounted on the top of the structures for communication with the first and second edges, moving along horizontally the part of the structure on which the sling device for Communication with the third crane is mounted, before the structure is installed in a vertical position, after which the console the structure is lowered onto the base, characterized in that, in order to increase versatility, the structure is balanced by fixing an additional load on the lower part of the structure, and the horizontal part of the structure located between the center of mass of the latter and the specified load, the fixing point of which is determined from the following relations a = (R + C) (1 + -9- ~ £ Р.1. ± ??.) „) _; q b- | t ^P2 ~ ^{P |} ) h where a is the distance from the center of mass of the additional load to the plane in which the indicated horizontal axis of rotation of the structure and its longitudinal axis are located; 5 b is the distance from the center of mass of the additional load to the vertical plane in which the longitudinal axis of the structure is located; Q is the mass of the structure; 10 q - mass of additional cargo; R is the outer radius of the structure; Pi, Pr - lifting capacity, respectively, of the first and second cranes; I is the distance from the longitudinal axis of the construction to the junctions of its upper sling devices with the corresponding cranes; C is the distance from the generatrix to the junction of the lower construction tool with the third crane.