JPH06346635A - Movable roof - Google Patents

Abstract

PURPOSE:To provide a wide applicability, improve construction work efficiency, and shorten construction period. CONSTITUTION:There are provided at least a pair of supporting beams 6, 6 which are disposed oppositely one to the other on the upper part of a structure adapted to receive a roof, roof units 11, 11 provided between the beams 6, 6 so as to be supported foldably and expandably in the length direction of the beams 6, 6, and roof tents 19, 19 provided so as to cover the upper surfaces of the roof units 11, 11. The roof unit 11 comprises a plurality of trusses arranged in the length direction of the beam 6 and these trusses are connected to one another by connecting members. The connecting members are constituted in such a manner that connecting members which can be bent so as to project upwards the adjacent trusses and connecting members which can be bent so as to project downwards the adjacent trusses are arranged alternately in the length direction of the beams 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof construction part of a work site for various structures such as building structures and civil engineering structures, and an openable and closable roof erected in an event zone such as an outdoor exhibition hall or a sports plaza. Is.

[0002]

2. Description of the Related Art Conventionally, work sites for structures such as building structures and civil engineering structures, especially work sites where underground construction is long, cannot normally be carried out in rainy days, so the construction period may be affected by the weather. Many. Therefore, in order to complete the construction within the prescribed construction period, a simple temporary roof is constructed so that the construction can proceed even in rainy weather, and in order to maintain the environment at this work site and improve workability. There are so many requests to do it. In addition, in event zones such as outdoor exhibition halls and sports plazas, it is possible to hold events regardless of the weather, and to be able to fully expose the sun to sunny days. In addition, there are many requests to build a retractable roof. Therefore, various roof structures that can meet these demands have been proposed. For example, opening and closing a structure in which a plurality of roof units are movably installed on a traveling frame that is arranged to face up and down on a column and the roof unit is moved along the traveling frame to open and close the roof. A roof and a temporary roof with a ramen structure in which multiple mountain trusses are arranged in parallel and covered with a roof tent.

[0003]

The opening / closing roof described above has the merit that the roof can be raised and lowered, but the opening is narrow and the mechanism is complicated because only the unit width of the roof can be opened and closed. There is a drawback that. In addition, the temporary roof described above has a lot of waste in designing the members because it is a rigid frame structure, and since it is not provided even though the horizontal rigid brace of the roof surface is required, it is possible to improve safety in case of emergency. There is a drawback that it is difficult to respond to chipping and span changes. Further, because of the ramen structure, when changing the span of the temporary roof, the temporary roof cannot be diverted and it is necessary to assemble another temporary roof.

The present invention has been made in view of the above circumstances, and has a reversible roof which is versatile, can improve the workability of construction, and can shorten the construction period. To provide.

[0005]

In order to solve the above problems, the present invention employs the following openable roof. That is, it is a retractable roof with an outer rectangular shape that is attached to the upper portion of the structure to be installed on the roof, and is provided between at least a pair of support beams that are arranged to face the upper portion of the structure, and between the support beams, and The roof unit includes a roof unit supported so as to be bendable / expandable in the length direction of the support beam, and a roof tent provided so as to cover an upper surface of the roof unit. The trusses are arranged in the vertical direction, and these trusses are connected to each other by a connecting member, and the connecting member is bendable so that adjacent trusses protrude upward, and the same lower part. It is characterized in that those that can be bent so as to protrude are alternately arranged in the length direction of the support beam.

[0006]

In the retractable roof of the present invention, the plurality of trusses are bent in the lengthwise direction of the support beam to compress the roof unit in the lengthwise direction of the support beam to open the roof portion. Further, by expanding these trusses in the length direction of the support beam, the roof unit is expanded in the length direction of the support beam and the roof portion is closed. Therefore, it becomes possible to construct an openable and closable roof with a wide opening above the structure to be installed on the roof. Further, the roof unit, a plurality of trusses are mutually connected by a connecting member, the connecting member is bendable so that adjacent trusses project upward,
By foldable so as to project downward and alternately arranged in the length direction of the support beam,
When the plurality of trusses are bent, the roof unit is compressed in the length direction of the support beam, and the opening of the roof becomes wide. Furthermore, by bringing the roof unit and the roof tent to the construction site and assembling them, the roof can be assembled and disassembled in a short time.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing the overall schematic structure of an openable roof, FIG. 2 is a plan view of the same, and FIG. 3 is a sectional view taken in the opening / closing direction. The openable roof 1 is provided so as to cover a roof construction portion of a work site of a building, and is provided on a foundation 2 composed of a continuous underground wall erected in a rectangular shape on the ground G.
A plurality of pillars 3,3, ... made of a single steel material are erected at substantially equal intervals, and these pillars 3,3, .. are connected by a connecting beam 4 and braces 5 except for the opening provided for the entrance and exit. Side beams (supporting beams) 6 are connected to each other at the upper end portions 3a of the columns 3, 3, ... In parallel with each other, and a plurality of trusses are provided between these side beams 6, 6. A pair of roof units 11, 11 connected to each other is constructed so as to be bendable and expandable in the length direction of the side beams 6, 6.

As shown in FIGS. 4 and 5, in the roof unit 11, upper chord members 12, 12, ... Made of steel pipes are arranged in parallel with each other in the longitudinal direction of the side beams 6 and 6, and these upper chord members are arranged. Below these 12, 12, ..., these upper chord members 12, 1
, Are arranged in parallel with each other, and a plurality of sheath tubes (connecting members) 14 are provided on the outer periphery of the upper chord member 12 so as to be rotatable around the axis of the upper chord member 12.
are provided on the outer periphery of the lower chord member 13, and a plurality of sheath tubes (connecting members) 15a, 15b, ... Having the same shape as the sheath tubes 14a, 14b ,. The sheath tubes 14a, 14c, ... Of the upper chord member 12 and the sheath tubes 15b, 15d, ... Of the lower chord member 13 are joined in a truss shape by a lattice 16, and the sheath tubes 14b of the upper chord member 12 adjacent to the upper chord member 12 are connected. , 14d, ... And the sheath pipes 15a, 15c, ... Of the lower chord member 13 are also joined in a truss shape by a lattice (connecting member) 16.

In this way, the upper chord member 12 is adjacent to each of the two lower chord members 13 and 13, and the lower chord member 13 is adjacent to each other.
By assembling each of the upper chord members 12 and 12 in a truss shape, the side beams 6 and 6 can be bent and expanded in the length direction. Also, at the upper end of the sheath 14 of the upper chord member 12,
The racing bar 18 is joined via fixing tools 17a, 17b, ... Provided at predetermined intervals, and a roof tent 19 is fixed to these racing bars 18, 18 ,.

On the other hand, as shown in FIG. 6, both ends of the upper chord member 12 and both ends of the lower chord member 13 are rotatably supported by an end plate 21, and further, at the tip of the upper chord member 12. Has a roller 22 mounted coaxially,
The roller 22 is movably supported by a roller receiving rail 24 of a main garter 23 provided on the upper end of the side beam 6. The roller 22 is a moving mechanism (not shown),
For example, it can be moved along the length direction on the roller receiving rail 24 by a wire and a winch. A side tent 25 is provided outside the main garter 23 so as to cover the end of the upper chord member 12.

Next, a method of constructing the openable roof 1 on the roof construction portion of the work site of the building will be described. First, the roof unit 11 and the roof tent 19 are carried into the work site. Next, the main garter 2 is attached to the upper end of the side beam 6.
3 attached to each roller 2 of the roof unit 11
, 22, are movably supported on the roller receiving rail 24 of the main garter 23. A side tent 25 is provided outside the main garter 23 so as to cover the end of the upper chord member 12. In this way, the retractable roof 1 can be installed on the roof building portion. Further, in order to remove the openable roof 1 from the roof building portion, the above procedure may be reversed.

Next, a method of using the openable roof 1 will be described. In order to provide a roof on the roof construction portion, as shown in FIG. 7, a moving mechanism (not shown) is driven so that the upper chord members 12a, 12b of the roof unit 11 are separated from each other. The roller tent rail 24 along the length of the roof tent 19
To expand and build a roof. Here, moving upper chord material 1
By adjusting the number of 2a, 12b, ... And the moving distance of each, a roof of a size suitable for the purpose can be installed.

To open the roof provided in the roof building portion, as shown in FIG. 8, a moving mechanism (not shown) is driven to drive the upper chord members 12a, 12b of the roof unit 11,
Are moved along the length direction of the roller receiving rails 24 so that the adjacent upper chord members 12a and 12b come close to each other, and the roof unit 11 and the roof tent 19 are folded to open the roof. Here, the moving upper chord members 12a, 12
By adjusting the number of b, ... And the moving distance of each, the roof can be opened to a size suitable for the purpose. In this way, the roof can be erected on the roof construction part as needed.

When the roof construction portion for constructing the retractable roof 1 is long, for example, as shown in FIG.
A plurality of roof units 11, 11, ... In the length direction of the side beam 6.
Can be dealt with by disposing. In this case, the upper chord member 12a of the end of the roof unit 11j and the upper chord member 12b of the end of the roof unit 11k adjacent to the roof unit 11j are fixed in close contact with each other by using a fixture or the like, and the roof unit 11j is fixed. The end portion of the roof tent 19j to be covered is raced to the upper chord member 12b side and the end portion is covered with the upper chord member 12b.
Fixed to the racing bar 18 of a, roof unit 11k
The end of the roof tent 19k that covers the roof tent 19j
The end portion of the upper chord member 12b is fixed to the racing bar 18 of the upper chord member 12b. By repeating this work, a long roof unit in which a plurality of roof units 11, 11, ... Are integrated can be installed.

As described above, according to the retractable roof 1 of this embodiment, it is provided between the pair of side beams 6 and 6 facing the roof building portion and the side beams 6 and 6, The roof unit 1 supported so that it can be bent and expanded in the length direction of the side beam 6.
1 and a roof tent 19 provided so as to cover the upper surface of the roof unit 11, and the roof unit 11 includes upper chord members 1 arranged in parallel with each other in the longitudinal direction of the side beams 6 and 6.
2, 12, and lower chord members 13, 13, ..., and a plurality of sheath tubes 14a, 14b, ...
, and the lattice 16 that joins the chord members into a truss shape, the roof unit 11 can be effectively compressed in the longitudinal direction of the side beams 6 and 6, and the roof opening can be formed. The part can be wide. Therefore, an openable and closable roof with a wide opening can be constructed above the structure to be installed on the roof, and a space that is not affected by the weather can be provided.

Further, since the roof unit 11 is unitized, it is possible to assemble and disassemble the roof in a short time by bringing it into a construction site and assembling it, thereby improving workability. Further, since the roof unit 11 can be combined in various ways, by arranging a plurality of roof units 11, 11, ... In combination, for example, even when a long openable roof is constructed, etc. , Can fully cope.

[0017]

As described above, according to the retractable roof of the present invention, at least a pair of support beams arranged to face each other on the upper part of the structure and the support beams are provided between the support beams. A roof unit supported so as to be bendable / expandable in the length direction of the roof unit, and a roof tent provided so as to cover the upper surface of the roof unit, the roof unit being arranged in the length direction of the support beam. It is composed of a plurality of trusses arranged, and these trusses are connected to each other by a connecting member, and the connecting member makes it possible to bend the adjacent trusses upward so as to protrude downward. As described above, the foldable member and the foldable member are alternately arranged in the length direction of the support beam, so that the roof unit can be effectively compressed in the length direction of the support beam, and the roof opening The part can be wide. Therefore, an openable and closable roof with a wide opening can be constructed above the structure to be installed on the roof.

Further, since the roof unit is unitized, it is possible to assemble and disassemble the roof in a short time by bringing the roof unit into the construction site and assembling it, thereby improving the workability. In addition, since this roof unit can be combined in various ways, by arranging a plurality of roof units in combination, it is possible to sufficiently deal with, for example, when constructing a long openable roof. it can.

As described above, it is possible to provide a retractable roof which is versatile and can improve the workability of construction and can shorten the construction period.

[Brief description of drawings]

FIG. 1 is a perspective view showing a retractable roof according to an embodiment of the present invention.

FIG. 2 is a schematic plan view showing a retractable roof according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of the opening / closing roof of the embodiment of the present invention in the opening / closing direction.

FIG. 4 is a side view showing the roof unit of the retractable roof of the present invention.

5 is a cross-sectional view taken along the line AA of FIG.

FIG. 6 is a partial side view showing the structure of the end portion of the roof unit of the retractable roof of the present invention.

FIG. 7 is a partial side view showing a state where the roof unit of the present invention is expanded.

FIG. 8 is a partial side view showing a state in which the roof unit of the present invention is bent.

FIG. 9 is a partial side view showing a state in which the roof unit of the present invention is applied to a long openable roof.

[Explanation of symbols]

 1 Retractable roof 6 Side beam (support beam) 11 Roof unit 12 Upper chord member 13 Lower chord member 14, 15 Sheath pipe (connecting member) 16 Lattice 17 Fixing tool 18 Racing bar 19 Roof tent 21 End plate 22 Roller 23 Main girter 24 Roller support rail 25 Side tent

Claims (1)

[Claims] 1. A retractable roof having an outer rectangular shape, which is attached to an upper part of a structure to be installed on a roof, and is provided between at least a pair of support beams arranged to face the upper part of the structure, and between the support beams. And a roof unit supported so as to be bent and expandable in the length direction of the support beam, and a roof tent provided so as to cover an upper surface of the roof unit, wherein the roof unit includes the support unit. It is composed of a plurality of trusses arranged in the length direction of the beam, and these trusses are connected to each other by a connecting member, and the connecting member is bendable so that an adjacent truss is projected upward. An openable and closable roof characterized by being arranged alternately in the length direction of the support beam so that they can be bent so as to project downward.