SU1164196A2 - Load-gripping device for hoisting and erecting large-size thin-walled structures - Google Patents

Abstract

LOADING DEVICE FOR LIFTING AND INSTALLATION OF LARGE-SIZE THIN WALL STRUCTURES on auth. No. 631094, characterized in that, in order to maintain reliable operation, it is provided with a gesture attached to the central Macrti. the end of each axle stop cylinders-. Lorma, and the holes of the cross are made oval. (O 9) 4: about 9e

Description

Lifting device for lifting and mounting of large-sized thin-walled structures.

The invention relates to lifting devices designed primarily for the installation of large-sized structures.

According to the main auth. No. 631094 is known a load gripping device for large-sized thin-walled constructions with ruts, containing trunnions with crosses in the form of flanges, with locks attached to the raised structure at the ends of the shoulders, with openings connecting them between the locks and the crosses 5th and pivotally attached to the trunnions of cargo earrings Lll. The disadvantage of this device is the possibility of concentrated loads on the structure due to the uneven transfer of its weight to the device element. The purpose of the invention is to increase the reliability of the device. The goal is achieved by a lifting device for lifting and mounting large-sized thin-walled structures containing trunnions with crosses in the form of flanges, at the ends of the shoulders of which are installed locks attached to the raised structure, with holes made in the locks and crosses of the cross , and cargo earrings pivotally attached to the trunnions, are provided with a cylindrical support rigidly fixed in the central part of the end face of each pillar, and the holes of the cross-piece are made of oval-4oh forms . FIG. 1 schematically shows the proposed device, the total air traffic; figure 2 - view aa in figure 1; on fig.Z - section bb in figure 1. 45 The device comprises a pin, embodied in the form of a tubular axis 1, rigidly fixed in the center of the flange, made in the form of a cross 2. Each arm of the cross 2 is made with a hole, which, when the device is attached to the body, is aligned with the corresponding protousin 3, having an oval hole 4 and previously mounted on the raised structure, and 5 is inserted into this hole, forming a hinged lock. At the end of the axis, on the side of the assembled structure, a stop 6 of cylindrical shape is fixed, which is inserted into the opening of an annular washer 7 fixed to the structure. On the other side of the tubular axis 1, an annular bushing 8 is mounted, connected by a cylindrical axis 9c with a load lug 10, which is attached to the lifting mechanism with fingers (not shown). The device works as follows. The ring washer 7 and the lugs 3 are mounted on the assembled structure (apparatus), the flange is attached to the eyes 3 by means of axles 5, and the stop 6 is simultaneously inserted into the hole of the ring washer 7. The load link 10 is connected to the lifting mechanism, lift the mounted structure in design position. In this case, the annular bushing 8 rotates around the tubular axis 1, and the load shackle 10 rotates around the cylindrical axis 9npri changing the angle of inclination of the cargo channels of the lifting mechanism, ensuring the freedom of rotation of the mounted structure. The invention makes it possible to increase the reliability of operation of the device due to the uniform distribution of forces on its elements and elements of the structure being lifted.

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Claims (1)

CAPACITY DEVICE ’‘ FOR LIFTING AND INSTALLATION OF LARGE-DIMENSIONAL THIN-WALLED DESIGNS by ed. St. N? 631094, explicating δε with the fact that, in order to increase the reliability of work, it is equipped with a rigidly fixed in the central part. the end of each axle with a focus, a cylindrical angle, and the holes of the cross are made oval. A Fig 1 SU ,,. 1164196 1 11641! A lifting device for lifting and mounting large-sized thin-walled structures.