JPH07292994A - Roofed cover device for openable construction - Google Patents

Abstract

PURPOSE:To enhance working efficiency by erecting a pair of rising frames on both sides of a construction in such a way as that the frames are freely extended, arranging an arched roof frame on the rising frames in such a way as that the roof frame is freely raised and lowered, disposing a roof sheet along the roof frame via a moving body, and opening or closing the roof sheet by the movement of the moving body. CONSTITUTION:Rising frames 2 are erected on both sides of a building 1 to be constructed, a roof frame 4 is disposed, and a roof sheet 5 and a side sheet 7 are provided to surround the working floor 1a of the building 1 that is under construction. The working floor 1a is thus made weather-proof for the proceeding of construction work. Transporting of building materials and assembling of large structures are carried out with the roof sheet 6 and the side sheet 7 both opened by driving a roof closing gear 8, and using a crane located outside. If high winds are expected to blow as a typhoon approaches, the roof sheet 6 and the side sheet 7 are opened and tied in place to minimize the area of wind pressure, thereby minimizing damage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retractable roof covering device for a building which covers a structure under construction in a construction facility for constructing a building structure.

[0002]

2. Description of the Related Art In the case where buildings such as buildings and structures are successively assembled, a roof covering device for covering the buildings is provided in order to make it weatherproof. This cover with a roof is pushed up sequentially following the construction of the building during construction, and the applicant of the present application, in Japanese Patent Application No. 6-4894, arranges the elevating frame on the side of the building, We proposed a work frame that can be lifted up and down.

[0003]

However, in the above construction, the roof is used in the fully closed state, and therefore the access by the external crane is not possible. It cannot deal with strong winds such as typhoons, and there is a risk of serious damage. It is necessary to install a construction crane inside, and it is worth the cost for middle- and high-rise building structures, but the cost is high for low-rise buildings. There was such a problem.

The present invention solves the above problems and provides an openable roof covering device for a building which can easily open and close the entire roof, can be accessed by an external crane, and can cope with strong winds. The purpose is to provide.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, an opening / closing type roof covering device for a building according to the present invention comprises a pair of lifts which are erected on both sides of a building structure and extend upward. Frames, arc-shaped roof frames that are respectively arranged to be able to ascend and descend through the elevating devices on these elevating frames, and to each of these roof frames, through a plurality of movable bodies that are movable along each roof frame. It is configured by a foldable roof sheet arranged and a roof opening / closing device that opens and closes the roof sheet by moving the movable body along a roof frame.

Further, in the above structure, the roof sheet is divided into two parts at the central portion of the roof frame, and the moving body is a main body guided along the roof frame and two links rotatably provided on the main body. It is composed of a rod and a roof support member which is supported between both main bodies via one link rod between adjacent main bodies and is arranged between both roof frames.

[0007]

In the above structure, by moving the movable body along the roof frame by the roof opening / closing device, the roof sheet and the side sheet can be folded or unfolded to open or close the upper surface of the working floor of the building structure. You can
It becomes an all-weather type and can work efficiently.
Further, since the roof can be opened and closed, it is possible to easily carry in and assemble work of construction materials with an external crane, which is ideal for small-scale construction or repair work where an overhead crane cannot be installed.

Further, the roof sheet is divided into two,
Since the roof support member which can be moved toward and away from the main body of the moving body via the link rod is provided, the time required for opening and closing can be halved, and the roof sheet can be smoothly folded and slid.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a retractable covering device for a roof according to the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, this covering device with a roof for construction includes a pair of left and right elevating frames 2 which are vertically arranged on both sides of a building (building structure) 1 under construction. Both roofs through an arcuate roof frame 4 which is arranged on the elevating frame 2 so as to be able to ascend and descend through an elevating device 3, and a plurality of movable bodies 5 which are arranged so as to be movable along each of these roof frames 4. A pair of foldable front and rear roof sheets 6 arranged over the frames 4 to cover the upper surface of the building, and a foldable front and rear pair that hangs from each moving body 5 to cover the side of the working floor 1a of the building 1. 2 sets of left and right side sheets 7,
Roof opening / closing device 8 for moving the movable body 5 along the roof frame 4 to open / close the roof sheet 6 and the side sheet 7.
It consists of and.

The elevating frame 2 has a structure that can be extended upward according to the construction of the building 1, and an elevating rack 11 constituting an elevating device 3 is provided on the side surface in the height direction. These lifting devices 3 are mounted on these lifting racks 11
The roof frame 4 includes front and rear lower portions, which are respectively provided on the front and rear lower portions of the roof frame 4 and mesh with the lifting racks 11, and lifting motors (not shown) that rotationally drive the lifting pinions 12.

The roof frame 4 is composed of a semi-circular main frame 4a along the vertical cross section of the building 1 and a truss frame 4b supporting the same, and the horizontal beam member 13 constituting the truss frame 4b has an elevating frame 2 A hoist 14 is movably provided for assembling and disassembling.

As shown in FIGS. 3 and 4, the main frame 4a is made of H-shaped steel, and the outer surface outer flange is formed on the guide rail portion 15 of the moving body 5. The movable body 5 is provided with a pair of guide rollers 22 that are in contact with the guide rail 15 from both sides on the main body 21, and a pair of link rods 23 and 24 are rotatably supported via pins 25. And the link rod 23 of the adjacent main body 21
A roof support member 26, to which 24 and 24 are rotatably connected via a pin 26a, is arranged between both roof frames 4, and an upper surface of these roof support members 26 is divided into two parts at the center. A flexible and foldable roof sheet 6 is attached, and a flexible and foldable side sheet 7 that is divided into two in the center and is hung outside the moving body 5 is attached.

The roof opening / closing device 8 includes a roof support member 2 in the central portion.
An open / close wire rope 28 guided to the lower part of the main frame 4a through a plurality of guide sheaves 27 connected to the inner surface of the main frame 4a and an open / close wire rope 28 provided at the lower part of the main frame 4a. A winch drum 29 capable of winding and unwinding the wire 28 and a drive device (not shown) for the winch drum 29, and a roof support member 26 which is adjacent to the winch drum 29 except for a central portion thereof, and regulates the rotation limit of the link rods 23 and 24. And a wire rope 30 for use. Therefore, the wire rope 2 for opening and closing is sequentially opened from the winch drum 29.
By unwinding 8, the roof sheet 6 and the side sheet 7 and the moving body 5 can be lowered downward along the main guide rails 15, and the roof sheet 6 and the side sheet 7 can be folded and opened. Further, by winding the opening / closing wire rope 28 with the winch drum 29 from the open state, the roof sheet 6 and the side sheet 7 and the moving body 5 are pulled upward along the main guide rails 15 and the roof sheet 6 and the side sheet. 7 can be opened and closed. At the time of this closing movement, the roof support member 26 causes the regulation wire 3
Since the roof sheet 6 is connected by 0, the roof sheet 6 can be pulled and pulled up sequentially from the center side without applying unnecessary tension to the roof sheet 6.

Next, the operation of the above embodiment will be described. Elevating frames 2 are erected on both sides of a building 1 to be constructed, a roof frame 4 is arranged, and a roof sheet 6 and side sheets 7 are provided so as to surround a working floor 1a of the building 1 under construction. As a result, the construction work is promoted with the working floor 1a set as an all-weather type. At this time, loading of construction materials and assembling of a large structure are performed by driving the roof opening / closing device 8 to open the roof sheet 6 and the side sheet 7 and using a crane arranged outside. When a strong wind is expected due to the approach of a typhoon or the like, the roof sheet 6 and the side sheet 7 are opened and tightly bound to minimize the wind pressure area and minimize damage.

After the construction of the lower working floor 1a is completed, the hoist 14 provided on the roof frame 4 is used to extend the elevating frame 2, and the elevating device 3 is synchronously driven to elevate the roof frame 4 to raise the middle layer. Secure work space for the department. When the construction work of the middle and high-rise parts is completed in this way, the roof sheet 6, the side frame 7, and the moving body 5 are removed, the roof frame 4 is disassembled and removed, and the elevating frame 2 is disassembled.

According to the above embodiment, an all-weather roof can be easily provided at low cost, and construction work of the working floor 1a can be efficiently carried out. By elevating the roof frame 4 by the elevating device 3, it can be moved up and down to any position, and by adding the elevating frame 2, it is possible to follow the movement of the working floor 1a to the upper layer. . By opening the roof sheet 6 with the roof opening / closing device 8, it is possible to carry in materials and assemble by a crane arranged outside, and there is no need to install an overhead crane inside. In addition, by opening and reducing the wind pressure area, strong winds such as typhoons can be dealt with. Since the roof sheet 6 is attached to the roof support member 26 that is moved via the link rods 23 and 24, the opening / closing movement and folding of the roof sheet 6 by the opening / closing movement can be smoothly performed. Hoist 14 on roof frame 4
Since the above is provided, it is possible to easily add and dismantle the elevating frame 2.

[0018]

As described above, according to the opening / closing type roof covering device for a building of the present invention, the roof opening / closing device folds or unfolds the roof sheet by moving the movable body along the roof frame. It is possible to open or close the upper and side surfaces of the working floor of the building structure, and it becomes an all-weather type so that the work can proceed efficiently. Also,
Since the roof can be opened and closed, construction materials can be easily carried in and assembled by an external crane, which is ideal for small-scale construction or repair work where an overhead crane cannot be installed.

Further, the roof sheet is divided into two,
Since the roof support member which can be moved toward and away from the main body of the moving body via the link rod is provided, the time required for opening and closing can be halved, and the roof sheet can be smoothly folded and slid.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of a retractable covering device for a roof according to the present invention.

FIG. 2 is an overall perspective view of the roof covering device for a building.

FIG. 3 is a front view showing a moving body of the roof covering device for a building.

FIG. 4 is a side view showing a movable body of the roof covering device for a building.

[Explanation of symbols]

 1 Building (building structure) 2 Lifting frame 3 Lifting device 4 Roof frame 5 Moving body 6 Roof sheet 7 Side sheet 8 Roof opening / closing device 11 Lifting rack 12 Lifting pinion 21 Main body 22 Guide roller 23 Link rod 24 Link rod 26 Roof support 28 Wire rope for opening and closing 29 Winch drum

Claims (2)

[Claims] 1. A pair of elevating frames which are erected on both sides of a building structure and can extend upward, and arc-shaped roofs which are arranged on these elevating frames so as to be able to ascend and descend through an elevating device. A frame, a foldable roof sheet arranged on each roof frame via a plurality of movable bodies movable along each roof frame, and a roof sheet by moving the movable body along the roof frame. An opening / closing type roof covering device for a building, comprising a roof opening / closing device that opens and closes. 2. A roof sheet is divided into two parts at a central portion of a roof frame, and a movable body is adjacent to a main body guided along the roof frame, two link rods rotatably provided on the main body, The roof cover for an openable and closable building according to claim 1, further comprising: a roof support member that is supported between the two main bodies via one link rod between the two main bodies and is disposed between both roof frames. apparatus.