JP3239154B2 - Lift-up device for all-weather temporary roof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an all-weather temporary roof lift-up device for protecting workers from rain and direct sunlight during construction of a building and improving the working environment.

[0002]

2. Description of the Related Art When constructing a structure, foundation work and upper frame work are sequentially performed. The frame work will be constructed in the order of hierarchy, including formwork, reinforcement, and concrete placement.However, to protect workers from rain and direct sunlight during construction, temporary roofs should be installed to cover the work floor during construction. It is provided so that it is not affected by the weather.

[0003] The method of erection of the temporary roof is carried out by various methods depending on the scale of the building. For example,
A scaffold is assembled on the periphery of the building, an elevating tower is erected on the scaffold and equipped with an elevating device such as a pinion gear system, so that the temporary roof on which the roof sheet is extended is connected to the elevating device for climbing in all weather. A type roof or a type in which a column is independently erected outside the skeleton and a temporary roof is raised in accordance with the progress of construction of the skeleton by a lifting device such as a screw jack system, or the like is applied.

[0004]

SUMMARY OF THE INVENTION The working environment during construction of a building is improved to secure workers, improve work efficiency,
As an issue to promote stabilization, the development of all-weather temporary roofs has been rapidly progressing in recent years, and has been spreading to practical use. As the method of erection of the temporary roof, it depends on the scale of the building, such as the plane, the number of floors, the construction period, etc., and each of the above construction methods is an example. I have.

However, assembling the scaffold around the building,
In addition, a special temporary roof elevating tower is erected on the same scaffold,
In the above-described conventional technology in which a temporary roof elevating device is provided on a post that is independently erected outside the frame, equipment to be erected lacks versatility, and a dedicated tower is required together with an external scaffold. However, there was a problem in terms of workability.

The present invention has been proposed in view of the above-mentioned problems of the prior art. The object of the present invention is to reduce the construction cost by simplifying the configuration and providing commonality to the construction equipment. An object of the present invention is to provide a lift-up device for an all-weather temporary roof applicable to many buildings.

[0007]

In order to achieve the above object, a lift-up device for an all-weather temporary roof according to the present invention comprises a column fixing device mounted on an external scaffold of a plurality of layers assembled on the outer periphery of a building under construction. A lift-up support is erected so as to extend in the vertical direction in the external scaffold through, and the openable roof is supported by the lift-up support, and the support fixing device is supported on the external scaffold side of each story. A guide roller that guides the lift-up support in the vertical direction, and a support hardware that fixes a portion of the lift-up support to the external scaffold of each level, is configured to be detachable from the external scaffold of each level, Elevating drive means for elevating the lift-up support is provided, and the elevating drive means includes an electric drive disposed at an upper portion of the lift-up support and a lower portion of the lift-up support. And set by pulleys, characterized in that it is composed of a wire that is fixed above the external scaffold after being hooked on the pulley coupled to the electric drive motor.

[0008]

Since the present invention is configured as described above,
By the lifting drive means, a lift-up support having an openable roof is lifted up, and the upper part of the building under construction is placed on the upper part of the building under construction.
A work space of a floor is provided, and the columns are fixed upright in a vertical direction in the scaffold, and are fixed by fixing devices arranged at three points substantially at one layer interval.

When the work in the work space is completed, the supporting hardware supporting the lift-up support in the fixing device is released, and a plurality of lift-up supports are simultaneously used as the next work space via the lifting drive means. Raise the floor by one level, fix the lift-up support by the support hardware of the two-point fixing device of the scaffold, lift up the temporary roof by one level, and open and close the openable roof according to the work. Carry in and out of materials. Thus, the work space is secured while sequentially lifting the openable roof in response to the progress of the work.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows a conceptual diagram of a lift-up device for an all-weather temporary roof according to the present invention, in which an all-weather openable / closable temporary roof B covering a building A to be constructed is supported by a lift-up support 1,
The column 1 is erected vertically on the external scaffold C of the building,
In addition, it is supported by a column fixing device 2 which is detachably provided at approximately one layer interval on the scaffold C. In addition, A 'shows the hierarchy under construction in the building frame.

FIG. 2 is a plan view of the present apparatus. The open / close temporary roof B has a seat roof 4 suspended on a frame 3 of steel beams and a seat suspended on a truss beam 5 moving along the frame 3. The seat roof 6 moves the truss beam 5 in the horizontal direction to increase the opening,
Reinforcing bars and formwork can be incorporated into the building.

FIG. 3 shows an elevating device for the temporary roof. FIG. 3 is an enlarged view of the right side of FIG. 1, and an electric drive 7 comprising an electric chain block or the like constituting the elevating drive means is mounted on the lift-up support 1. A chain 10 and a wire 11 are attached across the fixed end 9 extending between the electric drive 7 and the pulley 8 at the lower part of the column 1, and the upper end of the external scaffold C. 7 to be unwound.

The column fixing device 2 is mounted on the column 1 for lifting the scaffold almost every layer as shown in 2a, 2b and 2c, and as shown in FIGS.
It is formed so as to surround the support column 1 by the horizontal support member 13 and the horizontal support member 14 for receiving the support column 1, and lifts up the inner surfaces of the horizontal support member 13 and the horizontal support member 14, and guides the support column 1 up and down. The roller 15 that rotates in the longitudinal axis direction is mounted.
Reference numeral 16 denotes a tying tube protruding from the horizontal member 13 so as to tie with the horizontal frame 12 of the external scaffold C via the clamp 17.

The support column 1 is fixed by attaching a support metal 18 to the support column 1 and tightening the supporting member 14 with a bolt 19 via a fixing metal 20. Since the illustrated embodiment is configured as described above, the temporary roof B is raised by one level in the next step when the construction of the level A 'is completed. First, a chain 10 and a wire 11 between the electric drive 7 and the fixed end 9 mounted on the upper part of the lift-up support 1 are wound around a pulley 8 at a lower position to slightly suspend the chain. I do. Next, the column fixing device 2a is removed.

Next, the bolts 19 between the supporting hardware 18 and the lateral support members 14 of the column fixing devices 2b and 2c are removed, so that the fixing hardware 20 located between the supporting hardware 18 and the lateral support members 14 is removed. Next, the roller 1 of the column fixing device 2b, 2c
5 is used as a guide to drive the plurality of electric drives 7 in synchronism to rotate the chain 10 and the wire 11 around the pulley 8 at the bottom of the lift-up support 1, thereby allowing the support 1 to correspond to one layer h. To raise. (See FIG. 3) Next, the supporting hardware 18 and the lateral support members 14 of the column fixing devices 2b and 2c are tightly fixed by bolts 19 via the fixing hardware 20.

Finally, the external scaffold C is raised, and the column fixing device 2a removed first is mounted on the uppermost portion. Hereinafter, the above-described steps are repeated according to the progress of the frame work of the building A, and lift-up is performed. In this way, the openable temporary roof B on the building completion floor is raised by one layer by the present apparatus for one level h, and the structure of the building is always placed under the all-weather openable temporary roof B in a favorable environment. Can be constructed.

[0017]

Since the present invention is configured as described above, it is possible to block rainfall and direct sunlight, improve the construction environment, improve workability, and proceed with the construction as planned.

[Brief description of the drawings]

FIG. 1 is an elevational view showing the concept of a lift-up device for an all-weather temporary roof according to the present invention.

FIG. 2 is a plan view of the device of the present invention.

FIG. 3 is an enlarged vertical sectional view showing details of a right end portion of FIG. 1;

FIG. 4 is a perspective view showing details of a lift-up column and a fixing device of the column.

FIG. 5 is a front view showing a binding portion between a lift-up support and an external scaffold.

[Explanation of symbols]

 Reference Signs List A Building A 'Floor under construction B Opening / closing temporary roof C External scaffolding 1 Lift-up strut 2 Strut fixing device 2a Strut fixing device 2b Strut fixing device 2c Strut fixing device 3 Steel beam frame 4 Seat roof 5 Truss beam 6 Seat roof REFERENCE SIGNS LIST 7 electric drive 8 pulley 9 fixed end 10 chain 11 wire 12 horizontal frame of external scaffold 13 horizontal member 14 horizontal support 15 roller 16 binding tube 17 clamp 18 support hardware 19 bolt 20 fixing hardware

Continuation of the front page (56) References JP-A-5-71225 (JP, A) JP-A-5-125840 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04G 21 / 28

Claims (1)

(57) [Claims] Claims: 1. Assembling on the outer periphery of a building body under construction
To the external scaffolds of multiple layers
Lift-up strut so that it extends vertically within the scaffold
And the lift-up column supports the openable roof.
Support, said strut fixing device is supported on the external scaffold side of each story
Guide rollers that guide the lift-up posts vertically
And the portion of the lift-up strut on the outer scaffold side of each level
To the external scaffold of each level
Detachably configured Te, elevation drive means provided for raising and lowering the lift-up post
The lifting drive means is disposed above the lift-up support.
The electric drive installed, and the lower part of the lift-up support
An arranged pulley, and the pulley connected to the electric drive.
That is fixed to the external scaffold above it
And a lift-up device for an all-weather temporary roof.