JPH0547248U - Membrane roof structure - Google Patents

Abstract

(57) [Abstract] [Purpose] The cable is routed outside the membrane, and the structure for holding the cable to the membrane is significantly simplified. [Structure] The film body 30 constituting the film roof 14 is composed of a plurality of film pieces 30a. A connecting member 32 for connecting the membrane pieces 30a to each other is provided with an inner holding plate 34 arranged inside the membrane body 30.
And a pair of outer pressing plates 36 arranged outside the film body 30.
And is configured. Inner pressing plate 34 and outer pressing plate 36
The connection end portion of the membrane piece 30a is sandwiched between and by the cushion material 38, and the bolt 40 and the nut 42 are tightened and fixed. A holding piece 50 is integrally provided so as to project from the opposite side of the outer pressing plate 36, and the holding piece 50 is bent upward and inclined in a direction away from each other to form a receiving portion 52. Film body 30
Fit the cable 20 routed to the outside of the
The retaining member 54 is attached so as to straddle between the front ends of the holding pieces 50.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a membrane roof structure in which a roof membrane stretched over a large space facility is supported via a cable.

[0002]

[Prior Art]

 In recent years, there has appeared a structure in which the roof of a structure such as a large space facility having a pillarless structure such as a dome is used as a membrane roof. In this membrane roof structure, the upper edge of the outer wall surrounding the large space facility is covered with a roof membrane formed of a waterproof flexible membrane. The membrane roof is inflated by injecting air into the facility, and in the inflation state, a dome-shaped roof having a bulged central portion is formed. Further, in order to prevent the membrane roof from being fluttered due to the influence of wind or the like, it is usually supported by a cable installed between opposing outer walls.

As disclosed in, for example, Japanese Utility Model Application Laid-Open No. 60-135448 (E04H 15/22), the cable is installed inside a membrane body that constitutes a membrane roof, and at the same time, a fitting is attached. The cable is adapted to be attached to the membrane through the.

By the way, when the cable is routed inside the membrane in this way, since the entire membrane roof is lifted while the cable is being held when the roof membrane is being inflated, the above-mentioned mounting hardware firmly fixes the cable. Need to be fixed to. For this reason, the mounting metal is provided with a holding plate for holding the cable from both the inner side and the outer side, and the holding plate is fastened and fixed via bolts and nuts.

Since the film body has a large area, a plurality of film pieces are connected to each other to form the entire film body. The mounting hardware can be attached to the parts.

[0006]

[Problems to be solved by the device]

 However, in such a conventional membrane roof structure, as described above, since the membrane body and the cable constituting the roof membrane are fixed inside the membrane body through the mounting hardware, The structure of the mounting hardware becomes complicated, and the mounting hardware is configured as a separate body from the connecting member of each membrane piece, which significantly increases the number of parts. Therefore, there is a problem that the assembly work of the membrane roof becomes complicated and the construction period becomes long, the mounting hardware itself becomes expensive, and the construction cost using the membrane roof rises.

In view of the above-mentioned conventional problems, the present invention provides a membrane roof capable of arranging the cable outside the membrane and significantly simplifying the structure for holding the cable on the membrane. It is intended to provide a structure.

[0008]

[Means for Solving the Problems]

 In order to achieve such an object, the present invention, in a membrane roof structure that covers the upper side of a large space facility and is supported through a cable, configures the membrane body that constitutes the membrane roof with a plurality of membrane pieces, The respective membrane pieces are connected to each other via a connecting member having a holding plate arranged inside and outside the membrane body, and the cable is arranged outside the membrane body corresponding to the mounting position of the connecting member. On the other hand, while holding the cable, a cable holding piece is integrally formed from a pressing plate arranged outside, and the cable is supported through the holding piece.

[0009]

[Action]

 According to the membrane roof structure of the present invention having the above-described configuration, the membrane body that constitutes the membrane roof is composed of a plurality of membrane pieces, and wiring is performed corresponding to the mounting positions of the connecting members that connect the respective membrane pieces. Since the cable to be installed is located outside the membrane, the cable is pushed up by the rising force of the membrane piece that accompanies the inflation of the membrane roof. Further, since the cable holding piece is integrally formed from the outer pressing plate that constitutes the connecting member, the number of parts for connecting the cable and the film body is greatly reduced, and the structure is significantly simplified. can do.

[0010]

【Example】

 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. 1 to 3 show an embodiment of a membrane roof structure according to the present invention, FIG. 1 is a schematic configuration diagram showing a cross section of a large space facility to which the present invention is applied, and FIG. 2 is a line AA in FIG. 3 is an exploded perspective view of the connecting member.

That is, the large space facility shown in FIG. 1 is used as an artificial ski resort 10, and outer walls 12 and 12 that are continuous in the direction perpendicular to the paper surface in the figure are constructed on both sides, and the upper ends of these outer walls 12 and 12 are constructed. A membrane roof 14 is stretched between the parts. The floor surface 18 of the large space 16 composed of the outer walls 12 and 12 and the membrane roof 14 is continuously inclined in the extending direction of the outer walls 12 and 12, and the floor surface 18 is artificially attached to the inclined floor surface 18. It is designed so that snow can be accumulated to form a slope, and the ski can slide on the snow.

The membrane roof 14 is inflated by injecting air into the large space 16 in the solid line state in FIG. 1, and in the two-dot chain line state, the internal air pressure is removed and the deflate is removed. The state is shown. The membrane roof 14 is supported by a plurality of cables 20 (see FIG. 2) installed between the upper ends of the outer walls 12, 12. Both ends of the cable 20 are vertically rotatably connected to the outer walls 12 and 12 via anchor metal fittings 22 to smoothly move the membrane roof 14 when inflated and deflated. A machine room 24 and a lift room 26 are provided outside the outer walls 12, 12, and an air conditioner, an artificial snowmaking machine, a snow gun, etc. are installed in the machine room 24.

The membrane body 30 constituting the membrane roof 14 is constructed in its entirety by connecting a plurality of membrane pieces 30 a to each other via a connecting member 32 as shown in FIG. As shown in the figure, the connecting member 32 is arranged inside the film body 30 along the connecting end portions of the film pieces 30a, 30a to be connected to each other (note that the large space 16 is defined in the inner and outer directions). The inner presser plate 34 is arranged in the center direction, and the same applies to the inner presser plate 34, and as shown in FIG. And a pair of outer pressing plates 36, 36 arranged on the outer side of the.

The inner presser plate 34 and the outer presser plates 36, 36 are formed of stainless steel or aluminum alloy into a band shape having a predetermined length. The inner and outer presser plates 34, 36 are shown in FIG. As described above, a plurality of them are arranged by shifting the respective joints. Then, the connection ends of the membrane pieces 30a, 30a are sandwiched between the inner pressing plate 34 and the outer pressing plates 36, 36 via the cushioning materials 38, 38, and the bolts 40, nuts 42 tighten. It is designed to be fixed. A hanging plate 44 for attaching a secondary cable (not shown) is vertically provided at a lower end portion of the inner pressing plate 34 at appropriate intervals.

Here, in this embodiment, as shown in FIG. 2, holding pieces 50, 50 are integrally projected from the opposite sides of the outer pressing plates 36, 36, and the holding pieces 50, 50 are provided. Are bent upward and are inclined in directions away from each other to form the receiving portion 52 of the cable 20. The holding pieces 50, 50 are opposed to a pair of outer pressing plates 36, 36 arranged at appropriate intervals among the plurality of outer pressing plates 36, 36 arranged as shown in FIG. It is designed to be formed in the central part of the side.

Then, the cable 20 routed outside the film body 30 is fitted into the receiving portion 52 between the holding pieces 50, 50, and the cable 20 is laid across the tip portions of the holding pieces 50, 50. A retaining member 54 is provided to prevent the cable 20 from coming off the receiving portion 52.

In the membrane roof structure of the present embodiment having the above-described configuration, the outer pressing plates 36, 36 of the connecting member 32 connecting the plurality of membrane pieces 30a, 30a forming the membrane body 30 to each other are integrally formed. Since the holding pieces 50, 50 are provided and the cable 20 is supported by the receiving portion 52 formed between the holding pieces 50, 50, when the membrane roof 14 is inflated, the cable roof 20 is raised along with the rising of the membrane roof 14. The cable 20 can be pushed up via the holding pieces 50, 50. Then, when the membrane roof 14 is completely inflated, the cable 20 restricts the rise of the roof membrane 14 from the outside of the membrane body 30, and the cable 20 supports the membrane roof 14 in this state.

By the way, in this embodiment, since the holding pieces 50, 50 for supporting the cable 20 are integrally formed by bending the outer holding plates 36, 36 of the connecting member 32, the cable 20 and the membrane are not formed. The number of parts for connecting with the body 30 can be significantly reduced, and a significant simplification of the structure can be achieved.

In the present embodiment, the case where the present invention is applied to the membrane roof 14 of the artificial ski resort 10 has been disclosed, but the present invention is not limited to this, and other large space facilities using the membrane roof, for example, a general vehicle. It is needless to say that the membrane roof structure of the present invention can be applied to a boom or the like.

[0020]

[Effect of the device]

 As described above, in the membrane roof structure of the present invention, a plurality of membrane pieces constituting the membrane body are connected to each other through the connecting member, and the outer pressing plate constituting the connecting member integrally connects the cable Since the holding piece is formed and the cable is supported through this holding piece, the number of parts for connecting the cable and the membrane can be significantly reduced, and the structure can be significantly simplified. it can. Therefore, various advantages such as facilitating the assembly work of the membrane roof, shortening the construction period, and reducing the construction cost can be achieved.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a cross section of a large space facility to which the present invention is applied.

FIG. 2 is an enlarged sectional view taken along the line AA in FIG. 1 showing an embodiment of the present invention.

FIG. 3 is an exploded perspective view of a connecting member showing an embodiment of the present invention.

[Explanation of symbols]

 10 Artificial Ski Area (Large Space Facility) 12 Outer Wall 14 Membrane Roof 20 Cable 30 Membrane 30a Membrane Piece 32 Connection Member 34 Inner Pressing Plate 36 Outer Pressing Plate 50 Holding Piece

Claims (1)

[Scope of utility model registration request] 1. In a membrane roof structure that covers the upper side of a large space facility and is supported by a cable, the membrane body forming the membrane roof is composed of a plurality of membrane pieces, and each membrane piece is a membrane body. Inside and outside, while being connected to each other via a connecting member provided with a holding plate, the cable is routed to the outside of the membrane body in correspondence with the mounting position of the connecting member, while being arranged outside. A membrane roof structure in which a cable holding piece is integrally formed from a holding plate, and the cable is supported through the holding piece.