JP2907707B2 - heliport - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heliport provided on the roof of a building such as a building.

[0002]

2. Description of the Related Art Conventionally, a heliport provided on the roof of a building such as a building is disclosed in, for example, Japanese Patent Application Laid-Open No. 3-43508.
As disclosed in Japanese Unexamined Patent Publication, there is a rooftop plane provided with landing and takeoff reports, a helicopter hangar, and a helicopter transport means.

[0003]

In recent years, the design of high-rise buildings such as buildings has been regarded as important. In particular, a building design in which a flat portion or a heliport cannot be installed on the rooftop has been adopted. More. On the other hand, since a report can be used very effectively for emergency blame and fire prevention in the event of a disaster such as a building fire, the installation of a report is desired.

[0004] It is an object of the present invention to solve the above problems and to provide a report that can be installed without restricting the design of a building structure.

[0005]

In order to solve the above-mentioned problems, a report of the present invention is to provide an openable / closable roof on the top of a building structure,
The helicopter can take-off and landing deck upper surface, vertically movably disposed between a use position raised to near the top of the opening and closing the roof, the storage position is lowered to the opening and closing the roof, the deck
Rotates on the four corners of the deck body via horizontal pins
Intermediate connecting material that is freely connected, and this intermediate connecting body and horizontal
Flat with four corner deck materials that are rotatably connected via pins
It is formed in a rectangular shape when viewed from the side,
The deployment position and the deck where the buckle is flush with the horizontal surface
Between the folding position where the four corner deck materials overlap on the main body
It is configured to be freely foldable and folds the four corner deck materials
The unfolding device includes a pair of receiving members disposed on the lower surface side of the intermediate connecting member.
Moving lever and the output shaft
Deployment jaw connected to one of the passive levers
The output shaft is installed at the bottom of the deck device and the four corner deck materials.
For deployment on the four corner deck material side connected to the other passive lever
And a jack device for both deployments.
As each of them progresses, the four corner
Constructed to fold the wood from the deployed position to the folded position
It was done .

[0006] Further, in place of the deploying device having the above-described configuration, a deploying device
The device consists of a rotating lever protruding from the four corner deck material and an intermediate
The output shaft is connected to the rotating lever and is arranged below the connecting member.
And a connection jack provided on the fixed side rotation shaft.
Fixed sprocket connected to the deck body
Rotation provided on the rotation side rotation shaft and connected to four corner decks
Side sprocket and these fixed side sprockets and turns
Both ends are fixed to the moving side sprocket, and
Two unfolding chains wound in opposite directions
And the deployment jack is advanced.
And rotate the four corner deck materials upward about the horizontal axis on the rotation side.
And further connect the intermediate connecting material to the fixed side via the unfolding chain.
Rotate in the same direction around the horizontal axis to remove the four corner deck material.
It is configured to be folded from the unfolded position to the folded position .

Further, the opening and closing roof is formed in a spherical shape and divided into two on the center line, and these opening and closing roofs can be opened and closed so as to be close to each other, and the opening and closing roof is a roof plate and a wall frame for supporting the roof plate. And the outer ends of a pair of slide frames movably arranged along the opening and closing direction of the opening and closing roof on the top of the building structure, and connecting the skirts of both wall frames via a truss frame. Each slide frame is supported so as to be cantilevered, and both slide frames are formed so as to be fittable with each other, and an opening / closing drive device for driving both slide frames to open / close the openable roof is provided.

[0008]

According to the above construction, the open / close roof is designed in accordance with the design of the building structure, and only when the report is used, the open / close roof is opened and the port is raised to the use position to take off and take off the helicopter. Therefore, it is possible to construct a well-designed architectural structure that is not confined to the report, and because the deck is used at the same height or higher than the open / close roof, the open / close roof is used for taking off and landing of helicopters. There is no hindrance. Also deck
The four corner deck materials placed at the four corners of the
It can be folded freely at the cover, so it is closed.
Easy storage, even with limited root volume and shape
The roof and the four corners of the deck.
You can comb. With two more deployment jacks
By rotating the intermediate connecting material 90 ° at a time,
180 ° between the unfolded position and the folded position
Can be folded up.

[0009] Further, one deployment jack of the deployment device.
By turning the four corner deck material 90 °,
Rotate the intermediate connecting material by 90 degrees with the unfolding chain
It can be driven further, and the four corner deck material can be
Folding over 180 ° to and from the folded position
Can be. In addition , when the two-part spherical opening / closing roof is opened / closed by approaching / separating, the weight of the opening / closing roof is supported by a wall frame, and the outer end of a slide frame arranged on the top of the building structure along the opening / closing direction. By connecting the hem of the wall frame to the part via a truss frame and supporting the openable roof in a cantilever manner, a large storage space that does not interfere with the deck stored in the openable roof can be secured, Further, the openable roof can be stably supported. Further, by forming the two slide frames so that they can be fitted to each other, the width of the slide frame is made large without spreading in the width direction orthogonal to the opening / closing direction, thereby enabling stable support. Can be easily installed.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the report according to the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 4, this report is provided on the roof of the high-rise building 1 having a square shape in plan view.
A pair of guide rails 3A and 3B are laid in parallel with each other,
Guide rails 3A, 3B by opening / closing drive devices 4A, 4B
A pair of open / close roofs 5 that move close to and away from each other
A and 5B are openably and closably arranged. A helicopter takeoff / wearing deck 6 is disposed in a storage space 5C in the opening / closing roofs 5A and 5B so as to be able to move up and down.
It is raised and lowered between the use position (A) at the same level as the tops of A and 5B and the retreat position (A) stored in the openable roofs 5A and 5B. The take-off wear deck 6 has a rectangular shape in a plan view, and when the open / close roofs 5A and 5B are closed, the open / close roof 5A,
The four corner deck members 6b provided at the four corners of the deck main body 6a are configured to be folded toward the upper surface side by the unfolding device 8, respectively, so that 5B does not interfere. 9A is high-rise building 1
The climbing stairs 9B that lead from inside to the roof surface 2 and 9B are climbing stairs that can get on and off the take-off wear deck 6 from the roof surface 2 and are configured to tilt as the take-off wear deck 6 moves up and down.

The details will be described below. Openable roof 5A, 5B
Is a right-angled isosceles triangle obtained by dividing a square overlapping the plane of a high-rise building into two along one diagonal line in plan view, and a substantially spherical shape, as shown in FIGS. 1, 3, and 18 to 21. , And are moved toward and away from each other in the other diagonal direction to be opened and closed. The open / close roofs 5A and 5B have a roof plate 1 formed in a substantially spherical shape in accordance with the appearance of the high-rise building 1 in a closed state.
Wall girder (wall frame) 14A, 14B which supports 3A, 13B on the inner surface side, respectively. And gate-shaped slide girder (slide frame) 12A, 12B which has guide wheel 11 which is arranged along roof surface 2 and is movable on guide rails 3A, 3B and which can be fitted to each other, and slide girder 12A , 1
The open / close roofs 5A, 5B are cantilevered by the truss girder 71A, 71B which protrudes from the outer end side of 2B in the width direction orthogonal to the guide rails 3A, 3B and is connected to the skirts of the wall girder 14A, 14B. Supported, openable roof 5
While the storage space 10 in A and 5B is widely secured,
The open / close roofs 5A and 5B are configured to be stably supported. In addition, the gate-shaped slide girder 12A, 12B, which can be fitted to each other, can increase the width of the slide girder 12A, 12B without occupying a large space in the width direction, thereby enabling stable grounding. In addition, a wide space can be ensured on the side thereof, so that a space for disposing the elevating drive device 7 and the like can be ensured.

As shown in FIG. 22, a guide support is provided on the bottom of the slide girder 12A, 12B which protrudes outward from the outer end of the guide rail 3A, 3B during the opening movement in order to increase the rigidity in the horizontal direction. 72A, 72B
And the guide rollers 73 at the lower ends of the guide supports 72A and 72B are guided by the sub guide rails 74A and 74B laid on the roof surface 2. Furthermore, as shown in FIG.
In the limit of opening, gate-shaped stopper frames 75A, 75B for restricting the movement of the slide girder 12A, 12B are installed, and when the electrical control such as the limit switch fails in the limit of opening, the slide girder 12A, 12B is mounted. The stoppers 76A and 76B provided respectively are brought into contact with the buffers 77A and 77B of the stopper frames 75A and 75B, respectively, so that the position can be reliably regulated.

As shown in FIGS. 4 and 5, the open / close drive devices 4A and 4B are provided with two sets of open / close winch devices 15A and 15B for one open / close roof 5A or 5B.
Slide girder 12A through sheaves 16A and 16B,
12B, endless opening and closing ropes 17A and 17B wound around drive drums 15a of the opening and closing winch devices 15A and 15B, respectively.
The opening / closing roof 5 is rotated by driving the opening / closing ropes 17A, 17B by rotating the drive drum 15a by the opening / closing motor 15b with brakes A, 15B and moving the slide girder 12A, 12B along the guide rails 3A, 3B.
A, 5B can be opened and closed by moving closer or further away.

The take-off / wearing deck 6 has lifting columns 21 suspended from four central portions of the deck body 6a, which can be raised and lowered via guide members 23a in guide posts 23 erected at the center of the roof surface 2. It is supported by. The lifting drive device 7 of the take-off / wearing deck 6 is provided on each lifting column 21, and as shown in FIGS. 6 and 7, a pinion 25 is engaged with a rack 24 attached to one side surface of each lifting column 21. A drive gear 28, which is rotationally driven by a lift motor 26 with a brake via a speed reducer 27, meshes with the pinion 25, and drives the lift motors 26 of the lift columns 21 in synchronism to take off and take off. Deck 6 can be moved up and down. Also, as shown in FIG. 8, each lifting column 21 has a column fixing device 3 for fixing the take-off and wearing deck 6 at the use position and the storage position, respectively.
1 is provided. In this column fixing device 31, a through hole 32 is formed on the side surface of the guide post 23 between the guide members 23a, and the fixing hole 33 penetrates the through hole 32 at the use position and the storage position of the lifting column 21. Have been. The guide post 23 is provided with a fixing pin 35 that fits into the through hole 32 and the fixing hole 33 via a support frame 34, and a fixing cylinder device 36 that allows the fixing pin 35 to move back and forth.

Although the rack and pinion mechanism is used in the lifting drive device 7, as shown in FIGS. 12 to 14, a lifting and lowering mechanism using a plurality of pulleys and cords may be used. That is, one lifting drive device 50 is disposed on each pair of adjacent lifting columns 21, and a pair of constant pulleys 51 </ b> A and 51 </ b> B is provided at the upper end of the guide post 23, and the lower end of the lifting column 21 is provided. Are provided with moving pulleys 52A and 52B. The lifting rope 53 connected between the two guide posts 23 via the guide pulleys 54A and 54B is
It is wound around a pair of fixed pulleys 51A, 51B and moving pulleys 52A, 52B. Further, one end of the lifting rope 53 is connected and fixed to the lower part of one of the guide posts 23, and the other end of the lifting rope 53 is driven by a lifting motor 55 with a brake via a speed reducer 56. It is wound around the taking drum 57. Therefore, by winding the lifting rope 53 around the winding drum 57 by the lifting motor 55, the lifting column 21 can be raised via the fixed pulleys 51A and 51B and the moving pulleys 52A and 52B.

The takeoff / wearing deck 6 is set to a size determined by law, and four corners of the takeoff / wearing deck 6 are attached to the openable roofs 4A and 4B which are closed from the area of the roof surface 2 of the high-rise building 1. In order to cause interference, as shown in FIGS. 9 to 11, the four corner deck members 6 b are respectively connected to the four corner sides of the octagonal deck body 6 a through the intermediate connecting member 41.
Are rotatably connected around the horizontal pins 42A and 42B, respectively, and are configured to be foldable by the unfolding device 8.

That is, the four corner deck members 6b are connected to the stopper receiving members 43 provided on the lower surface of the deck body 6a via the intermediate stopper members 44 projecting from the lower surface of the intermediate connecting member 41 via the lower surfaces of the four corner deck members 6b. The outer stopper body 45 provided on the upper surface of the main body abuts on the main body, and the downward rotation is restricted at a position where the deck main body 6a, the intermediate connecting member 41 and the four corner deck members 6b are flush with each other along the horizontal plane. . In addition, the unfolding device 8 includes passive levers 46A and 46B protruding on the lower surface side of the intermediate connecting member 41 toward the deck body 6a and the four corner deck members 6b.
Are protruded from the deck body 6a and the four corner deck materials 6 respectively.
b deployment jack devices 47A, 47 provided below
The output shaft of B is connected to the passive levers 46A and 46B. Therefore, the four-corner deck member 6b can be folded on the upper surface side of the deck body 6a as shown by the imaginary line by extending the deployment jack devices 47A and 47B from the deployment position shown by the solid line in FIG.

Although the unfolding device 8 uses two unfolding jack devices 47A and 47B, it can be rotated by using one unfolding jack 61 as shown in FIGS. . That is, in the unfolding device 60, the intermediate connecting member 62 is rotatably connected to the four corner sides of the deck body 6a via the fixed horizontal shaft 63A, and the intermediate connecting member 62 is connected to the fixed horizontal shaft 63A. The four corner deck members 6b are rotatably connected to each other via a parallel rotating horizontal shaft 63B. And, from the intermediate connecting member 62, the deck body 6a
The body of the deployment jack 61 is arranged via a support pin 65 on a cylinder support 64 extending to the lower surface side of the cylinder, and the output shaft of the deployment jack 61 is connected to a rotating lever 66 projecting from the four corner deck material 6b. Have been. The fixed horizontal shaft 63A is provided with two fixed sprockets 67A and 67B operatively connected to the deck body 6a, and the rotating horizontal shaft 63B is operatively connected to the four corner deck members 6b. Are provided. Further, the fixed side sprockets 67A, 6A
7B and the rotating sprockets 68A, 67B, the fixed sprockets 67A, 67 each having both ends wound.
7B and the rotating sprockets 68A, 68B, respectively.
Two unfolding chains 69A, 6 fixed at the fixed ends 69a, 69b and wound in crosswise directions opposite to each other.
9B is provided. The fixed sprocket 67
A, 67B and the rotation side sprockets 68A, 68B are set to the same number of teeth.

Therefore, as shown in FIGS. 17A to 17C, by extending the output shaft of the deployment jack 61 from the deployment position, the four-corner deck member 6b is moved to the rotation side horizontal shaft 6.
3B, the rotation sprocket 68A winds up the unfolding chain 69A, and the intermediate connecting member 62 is turned upward about the fixed horizontal shaft 63A at the same angle as the four corner deck material 6b. Only rotate. Thus, by rotating the four-corner deck member 6b by 90 ° about the rotation-side horizontal shaft 63B, the intermediate connecting member 62 can be rotated by 90 ° about the fixed-side horizontal shaft 63A. 6b is rotated by a total of 180 °, and the deck body 6 is rotated.
a can be folded so as to overlap the upper surface of a. Also,
On the other hand, when the four corner deck members 6b are deployed, the four corner deck members 6b are rotated outward by the deployment jacks 61, so that the rotating sprocket 68B winds up the deployment chain 69B and connects the intermediate connecting member 62. Can be rotated.

Next, a method of using the above report will be described. (1) Opening and closing winch device 15 for opening and closing drive devices 4A and 4B
A and 15B are driven to drive the opening and closing ropes 17A and 17B by the driving drum 15a, and the opening and closing roofs 5A and 5B are moved apart along the guide rails 3A and 3B to open and close the opening and closing roof 5A.
Release A and 5B. (2) The fixing cylinder device 36 of the column fixing device 31 is contracted, and the fixing pin 35 is pulled out from the through hole 32 and the fixing hole 33 to release the fixing of the lifting column 21. Then, the elevating motor 26 of the elevating drive device 7 is driven to elevate the elevating column 21 via the pinion 25 and the rack 24 to elevate the take-off wear deck 6 from the storage position to the use position. Then, the fixed cylinder device 36 is advanced to
Into the through-hole 32 and the fixing hole 33,
Is fixed. (3) Deployment jack devices 47A and 47B of the deployment device 8
Are contracted, and the four-corner deck material 6b folded on the deck body 6a is rotated outward and deployed.

Thus, landing and takeoff of the helicopter are performed. After use, the four-corner deck material 6b is folded, the takeoff / wearing deck 6 is lowered, and the openable and closable roofs 5A and 5B are closed and stored by the procedure reverse to the above.

In the event of a fire, the openable roofs 5A and 5B are automatically opened to raise the take-off and wear deck 6, and the four corner deck members 5b are deployed to be used for emergency evacuation and rescue by helicopter.

According to the above embodiment, (A) the guide rails 3A, 3B are provided on the roof surface 2 of the high-rise building 1.
The roofs 5A and 5B that can be opened and closed by moving along the roof can be freely selected, and the shapes of the roofs 5A and 5B can be freely selected, and the roofs 5A and 5B that do not use a heliport are provided.
The exterior can show off its excellent design when closed.

(B) The takeoff / wearing deck 6 is opened and closed with a roof 5A,
As the helicopter was taken off and on at the use position that rises to the same level as the top of 5B, the open / close roof 5A,
5B does not hinder helicopter takeoff and landing,
Further, the curved open / close roofs 5A and 5B can prevent the occurrence of turbulence due to the cross wind, and enable safe takeoff and landing.

(C) The open / close roofs 5A and 5B are moved outward by the roof surface 2 to be opened, and the four corner deck materials 4b of the take-off and wearing deck 6 are freely foldable by the unfolding device 8, so that the roof surface 2 is narrow. , And openable roof 5A, 5B
Heliport can be installed even if the design is restricted.

[0026]

As described above, according to the present invention, the openable roof is designed in accordance with the design of the building structure,
Only when using the heliport, open the openable roof and raise the port to the use position to take off and land the helicopter. Therefore, it is possible to construct a well-designed architectural structure that is not confined to the report, and because the deck is used at the same height or higher than the open / close roof, the open / close roof is used for taking off and landing of helicopters. There is no hindrance. Four corner deck materials placed at the four corners of the deck
Can be folded freely on the deck body
And there are no restrictions on the volume and shape of the closed roof.
Can be easily stored, with openable roof and deck
Interference with the four corners can be eliminated. Two more
The intermediate connecting member is rotated by 90 ° by the deployment jack.
The four corner deck materials can be deployed and folded
Can be folded over 180 °.

Furthermore, one unfolding jack of the unfolding device
By turning the four corner deck material 90 °,
Rotate the intermediate connecting material by 90 degrees with the unfolding chain
It can be driven further, and the four corner deck material can be
Folding over 180 ° to and from the folded position
Can be. In addition , when the two-part spherical opening / closing roof is opened / closed by approaching / separating, the weight of the opening / closing roof is supported by a wall frame, and the outer end of a slide frame arranged on the top of the building structure along the opening / closing direction. By connecting the hem of the wall frame to the part via a truss frame and supporting the openable roof in a cantilever manner, a large storage space that does not interfere with the deck stored in the openable roof can be secured, Further, the openable roof can be stably supported. Further, by forming the two slide frames so that they can be fitted to each other, the width of the slide frame is made large without spreading in the width direction orthogonal to the opening / closing direction, thereby enabling stable support. Can be easily installed.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a use state showing an embodiment of a report according to the present invention.

FIG. 2 is a plan view showing a usage state of the report.

FIG. 3 is a side sectional view showing a stored state of the report.

FIG. 4 is a plan sectional view showing the stored state of the report.

FIG. 5 is a schematic configuration diagram showing an opening / closing driving device for the opening / closing roof of the report.

FIG. 6 is a schematic configuration diagram showing an elevating / lowering drive device of the deck for wearing / wearing the report.

FIG. 7 is a cross-sectional plan view of a main part showing the lifting drive device for the wearing deck.

FIG. 8 is a plan cross-sectional view of a main part of the column fixing device of the wearing deck.

FIG. 9 is a side sectional view showing a main part of the deployment device for the wearing deck.

FIG. 10 is a bottom view showing the deployment device of the wearing deck.

FIG. 11 is a side view showing a stopper body of the wearing deck.

FIG. 12 is a schematic configuration diagram showing another embodiment of a lifting and lowering drive device for a wearing / wearing deck.

FIG. 13 is a side sectional view showing the elevation drive device.

FIG. 14 is a plan sectional view showing a moving pulley mounting portion of the lifting drive device.

FIG. 15 is a side cross-sectional view showing another embodiment of the deployment device for the wearing deck.

FIG. 16 is a partially cutaway plan view of the developing device.

FIGS. 17 (a), (b) and (c) are explanatory diagrams of the operation of the developing device.

FIG. 18 is a plan view of the open state showing the structure of the openable roof with the roof panel removed.

FIG. 19 is an open plan view showing the structure of the slide girder with the openable roof removed.

FIG. 20 is a sectional view taken along the line II shown in FIG. 19;

21 is a sectional view taken along the line II-II shown in FIG.

FIG. 22 is an enlarged view of a main part of FIG. 21.

FIG. 23 is a plan view showing a stopper device of the opening / closing roof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 High-rise building 2 Roof top 3A, 3B Guide rail 4A, 4B Opening / closing drive 5A, 5B Opening / closing roof 6 Take off deck 6a Deck body 6b Four corner deck material 7 Elevating drive 8 Deployment device 9A Elevating stairs 9B Elevating stairs 12A, 12B Slide Garters 13A, 13B Roofing panels 14A, 14B Wall girders 15A, 15B Opening and closing winch device 26 Elevating motor 31 Strut fixing device 41 Intermediate connecting members 42A, 42B Horizontal pins 46A, 46B Passive levers 47A, 47B Deploying jack device 61 Deploying jack 62 Intermediate connecting material 63A, 63B Horizontal shaft 64 Cylinder support 66 Rotating lever 67A, 67B Fixed sprocket 68A, 68B Rotating sprocket 69A, 69B Deployment chain 71A, 71B Truss girder

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shunji Kano 5-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Inside Hitachi Zosen Corporation (72) Inventor Masahide Oka 5-chome, Nishikujo, Konohana-ku, Osaka-shi, Osaka No. 3-28 Hitachi Zosen Corporation (72) Inventor Akira Yamakaji 3-28 Nishikujo, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Zosen Corporation (56) References JP-A-7-90815 (JP, A) JP-A 3-82300 (JP, U) JP-A-24-24120 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) E01F 3/00

Claims (3)

(57) [Claims] 1. A use position in which an openable / closable roof is provided on the top of a building structure, and a deck on which a helicopter can take off and land is raised near the top of the open / close roof in an open space of the openable roof. If, vertically movably disposed between a storage position is lowered to the opening and closing the roof, the deck, each horizontal pins at four corners of the deck body
Intermediate connecting member rotatably connected via the
Four corner decks that are rotatably connected to the body through horizontal pins
It is formed into a rectangular shape in plan view with
Development where the body and the four corner deck materials are flush with each other along the horizontal plane
Position and folding position where the four corner deck materials overlap on the deck body
The unfolding device is configured to be foldable between the mounting member and the four corner deck material, and a pair of passive levers disposed on the lower surface side of the intermediate connecting member,
The output shaft is provided at the lower part of the deck body and one passive lever
And a jack device for deployment on the deck body side connected to the
The output shaft is provided below the four corner deck materials and the other passive
Jack device for deployment on the four corner deck material side connected to the bar
Developing both deployment jack devices
As a result, the four corner deck materials are deployed through the intermediate connecting material
A heliport, wherein the helipad is configured to fold from a position to a folding position . 2. An openable / closable roof on the top of a building structure.
A helicopter separates the top surface from the open space of this openable roof.
The accessible deck has been raised near the top of the open / close roof.
Between the use position and the storage position lowered into the openable roof
The deck can be moved up and down freely.
An intermediate connecting member rotatably connected via a shaft;
It is rotatably connected to the inter-connecting body via the turning horizontal shaft.
While being formed in a rectangular shape in plan view with the four corner deck material,
The deck body and the four corner deck materials are flush with each other along the horizontal plane
Folding position where four corner deck materials overlap on the deck position
The unfolding device, which is configured to be foldable between the folding positions, and which folds the four corner deck material, includes a rotating lever protruding from the four corner deck material, and an intermediate connecting material.
The output shaft is connected to the rotating lever, which is disposed at the lower part.
A deployment jack and a deck provided on the fixed-side rotating shaft.
Fixed sprocket connected to the body
Rotating side sprocket provided on the driving shaft and connected to the four corner decks
Bracket, fixed side sprocket and rotating side sprocket
Both ends are fixed to the rocket and opposite directions
With two deployment chains wound crosswise
Be equipped with the deployment jack,
Rotate the deck material upward around the horizontal axis on the rotation side,
The intermediate connecting material is fixed via the unfolding chain
Rotate in the same direction to the center to deploy the four corner deck materials
Features that it is configured to fold from the fold position
Heliport to be. 3. A use position in which an openable / closable roof is provided on the top of a building structure, and a deck on which a helicopter can take off and land is raised near the top of the open / close roof in an open space of the openable roof. And the storage position lowered into the opening and closing roof, and can be raised and lowered freely. The deck is formed in a rectangular shape in plan view, and the four corner deck materials of this deck are freely foldable with respect to the deck body. A deck deploying device for deploying and folding the roof, the openable roof is formed in a spherical shape and divided into two on a center line, and these openable roofs are allowed to open and close by being spaced apart from each other; A truss is formed at the outer ends of a pair of slide frames that are formed along with the opening and closing direction of the opening and closing roof on the top of the building structure. Opening and closing drive for opening and closing the roof by driving both slide frames while connecting the skirts of the both wall frames via a frame and supporting them in a cantilever manner, and forming both slide frames so as to be fittable with each other. A heliport comprising a device.