Material or article handling – Apparatus for moving material to a position in the erection... – Flat wall or ceiling member manipulating means
Patent
1996-11-27
1999-01-26
Krizek, Janice L.
Material or article handling
Apparatus for moving material to a position in the erection...
Flat wall or ceiling member manipulating means
5274911, 5274915, 414627, E04G 2116
Patent
active
058631690
DESCRIPTION:
BRIEF SUMMARY
The object of the present invention is a method for installing light-weight panel units, according to which method a light-weight panel unit is gripped by means of suction cups and moved into place at the installation site.
According to a known installation method, wall panels to be installed on the walls of a building are lifted up onto the wall one by one. In this case the wall panel unit, which is usually a so-called insulated light-weight panel unit, is gripped by means of suction cups and lifted up on the wall, for example, by means of an articulated jib crane mounted on a truck. This type of crane is disclosed, for example, in the German published application DE-3834311 (E04G 21/16).
However, in applying the above method, the light-weight panel units are easily damaged and the work progresses slowly. Another considerable disadvantage is the fact that the wind catches a single panel unit like a sail, which makes precise positioning of the panel difficult. Strong wind may even make working impossible. The panel unit may swing uncontrollably and thus be damaged or even cause damage to its surroundings.
When a jib crane is used, installation of the light-weight panel unit is restricted to the range of the crane, which means that it cannot be used for installing high walls. In addition, the jib crane carrier vehicle will not be able to enter low premises. The equipment combined with a vehicle is also relatively complex and clumsy for many sites. Furthermore, the floors of premises where installations are carried out are often not strong enough to bear the weight of the vehicle.
The object of the present invention is to eliminate the above problems and to provide a new method for installing light-weight panel units. It is characteristic of the method relating to the invention that the light-weight panel units are installed on a wall or roof, in such a way that at least two panel units at a time are moved to the vicinity of the installation site, after which the panel units that have been moved are installed in their place one at a time.
By means of the installation method relating to the invention, the panel units can be lifted onto the wall in a substantially safer manner. When several light-weight panel units are lifted at a time, the wind does not affect the stack of panel units in the same way as a single panel unit. A single panel unit is picked up from the top of the stack in the immediate vicinity of the wall so that the wind will not be able to affect it adversely. Also, at this stage the transfer distances are so short that they do not bring about the same type of problem as when lifting a single panel all the way from the ground. In a stack, the light-weight panel units are also substantially better protected against damage. It is also possible to move the stack in a variety of ways.
The object of the invention also includes a device for installing light-weight panel units, which device (20) comprises at least one suction cup (41), by means of which the light-weight panel unit is moved to the installation site.
It is characteristic of the device relating to the invention stored at least two light-weight panel units, and which intermediate storage unit can be moved during installation to the installation site in the vicinity of a wall or roof, and light-weight panel unit at a time to the installation site or its vicinity.
The invention is described in detail below by way of examples, with reference to the appended drawings, in which
FIG. 1 shows a side view of the installation device according to the invention.
FIGS. 2-4 show the installation device of FIG. 1 at different work stages.
FIG. 5 corresponds to FIG. 4 and shows a second embodiment of the installation device.
FIG. 6 shows a section along the line VI--VI of FIG. 5.
FIG. 7 shows a detail of FIG. 6.
FIG. 8 shows the installation device when connected to a jib crane.
FIG. 9 shows the installation device when connected to a forklift truck.
FIG. 10 shows the installation device of FIG. 9 at the second work stage.
FIG. 11 corresponds to FIG. 1
REFERENCES:
patent: 3842988 (1974-10-01), Russell
patent: 4591308 (1986-05-01), Imai
patent: 5018923 (1991-05-01), Melan et al.
patent: 5181825 (1993-01-01), Sugitani et al.
patent: 5224808 (1993-07-01), Macris
patent: 5516254 (1996-05-01), Gessler
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