SU1276612A1 - Self-lifting crane installation - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to a lifting and transport machinery, namely to self-lifting crane installations. The purpose of the invention is the convenience of operation in the construction of prefabricated monolithic closed in terms of structures. A self-lifting crane rig contains a hollow mast 1, equipped with a feed funnel 11 and coaxial-coarse 12 of smaller diameter, connected to the hole 10 at the base of the 9th mast, swivel boom 3 with the load carriage 6, the support frame 13 with hydraulic cylinders 15 and clamps 16. Lifting the devices are made by hydraulic cylinders 15 by means of supporting the support frame 13 onto the gripping-: from the concrete of the body of the structure and wedging the guides 14 of the mast 1 with clamps 16. 6 Il. i SL 1C h O5 O); g figure 1

Description

The invention relates to hoisting machines, namely to self-lifting tower cranes.

The purpose of the invention is the convenience of operation in the construction of prefabricated monolithic closed in terms of structures.

FIG. 1 shows a self-lifting crane installation, in the original position; Fig, 2 - the same when installing reinforced concrete contour blocks and duct former; in fig. 3 - the same, in the raised position in FIG. A - node I in FIG. 3; in fig. 5 is a section A-A in FIG. four; in fig. 6 — node II in FIG. 3

A self-lifting crane unit contains a mast 1, on which a turntable 2 is installed with a swinging boom 3 and a turning mechanism 4. On the pivoting boom 3, a mechanism 5 for moving the trolley 6 with a cargo, a polyspast 7, and also a winch 8 for lifting the load is installed.

The mast 1 is hollow with a base 9 and a hole 10 and is equipped with a feed funnel 11 and a coaxial tube 12 of smaller diameter, the end of which is connected to the hole 10 in the base 9 of the mast 1.

The lifting device has a support frame 13, enclosing the mast 1 to allow vertical movement along the guides 14. To the top of the frame 13 are attached the hydraulic cylinders 15 with clamps 16, covering the directing 14 masts 1.

The installation works as follows

In channel 17, installed on the previously constructed Foundation 18 and monolithic concrete 19,

install the mast 1 (Fig. 1) and install the blocks 20 (Fig. 2). After installing the duct former 17 with a gap of not more than 5 mm relative to the mast 1 and concreting the structure body to the height of the duct former 17, the device (Fig. 3) is lifted by hydraulic cylinders 15 by resting the lifting frame 13 on the set concrete of the structure body (Fig.4) and jamming the guides 14 of the mast 1 with the clips 16 (Fig. 5) of the hydraulic cylinders 15. After the dry cement-sand mixture is fed into the hopper 11, the power cylinders 15 are returned to their original position and the base 9 of the mast 1 is supported on the backfill Loi 21 dry cement-sand mixture (Fig.6).

Claims (1)

The invention relates to lifting transport machines, namely to self-lifting tower cranes. The purpose of the invention is the convenience of operation in the construction of prefabricated monolithic closed in terms of structures. FIG. 1 shows a self-lifting crane installation, in the original position; Fig, 2 - the same when installing reinforced concrete contour blocks and duct former; in fig. 3 is the same, in an elevated position in FIG. A - node I in FIG. 3; in fig. 5 is a section A-A in FIG. four; in fig. 6 — node II in FIG. 3. A self-erecting crane installation contains a mast 1, on which a turntable 2 is installed with a swinging boom 3 and a turning mechanism 4. On the pivoting boom 3, a mechanism 5 for moving the trolley 6 with a cargo, a polyspast 7, and also a winch 8 for lifting the load is installed. The mast 1 is made hollow with a base 9 and a hole 10 and is equipped with a loading funnel 11 and a coaxial tube 12 of smaller diameter, the end of which is connected to the hole 10 in the base 9 of the mast 1. The lifting device has a support frame 13, the surrounding mast 1 dl the possibility of vertical movement along the guides 14. To the top of the frame 13 are attached hydraulic cylinders 15 with clamps 16, spanning 14 ruling mast 1. The installation works as follows, In the channel 17, mounted on the previously constructed foundation 18 and fixed in concrete 19 install the mast 1 (FIG. 1) and install the blocks 20 (FIG. 2). After installing the duct former 17 with a gap of no more than 5 mm relative to the mast 1 and concreting the structure body to the height of the duct former 17, the device (Fig. 3) is lifted by hydraulic cylinders 15 by resting the lifting frame 13 on the set concrete of the structure body (Fig.4) and jamming the guides 14 of the mast 1 with clamps 16 (Fig. 5) of the hydraulic cylinders 15. After the dry cement-sand mixture is fed into the hopper 11, the power cylinders 15 are returned to their original position and the base 9 of the mast 1 is supported on the backfill layer 21 dry cement-sand mixture (6). Claims of the invention A self-lifting crane installation comprising a swinging boom with a trolley, a hollow mast with a base and a lifting mechanism having a support frame with hydraulic cylinders enclosing a mast installed with the possibility of vertical movement along the support frame, which is different for convenience operation during the construction of prefabricated monolithic structures that are closed in plan, it is equipped with guides mounted on a hollow mast for a support frame and fixed on hydraulic cylinders with the possibility of and guides with clamps, the mast being made with a hole in the base and provided with a tube for feeding the filler to the base of the mast.