JP2572482Y2 - Cable mounting device for membrane structures - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable mounting device for a membrane structure supported by a cable.

[0002]

2. Description of the Related Art In recent years, there has appeared a structure in which a roof of a building such as a large space facility having a pillarless structure such as a dome is constructed by a membrane roof as a membrane structure. In this membrane roof structure, an upper end portion of an outer wall surrounding a large space facility is covered with a roof membrane formed of a waterproof flexible membrane. The membrane roof is inflated (expanded) by injecting air into the inside of the facility, and a dome-shaped roof having a central portion swelled in the inflated state is formed. Further, in order to prevent the membrane roof from being fluttered by the influence of wind or the like,
Usually, it is supported by a cable laid between opposed outer walls.

The cable is, for example, disclosed in Japanese Utility Model Laid-Open No.
As disclosed in Japanese Patent Publication No. 5448 (E04H 15/22), the cable is routed inside a membrane constituting a membrane roof, and is attached to the membrane via a mounting device.

The mounting device includes a pair of holding plates disposed on both upper and lower sides of the cable, and a bolt and a nut for tightening the pair of holding plates. The cable is fastened and fixed between the holding plates. It has become.

[0005]

However, in such a conventional cable mounting device for a membrane structure, as described above, the cable mounting device is sandwiched between a pair of holding plates that are tightened and fixed via bolts and nuts. When the cable is attached to the membrane, the nut needs to be tightened each time. For this reason, the task of attaching the cable becomes complicated, and there is a problem that much time is required for the temporary work of the membrane roof.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has an object to provide a cable mounting apparatus for a membrane structure which can easily and quickly mount a cable supporting a membrane. I do.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cable mounting apparatus for a membrane structure which is supported via a cable. Formed between the base plate, the first and second holding pieces respectively surrounding one half of the cable and the other half of the cable, and one end of the first and second holding pieces,
An engagement mechanism for detachably engaging one end of both of them, and a hook formed between the other end of the first and second holding pieces and press-fitted and fixed to the fitting portion of the base plate. Prepare and configure.

[0008]

According to the above construction, in the cable mounting apparatus for a membrane structure according to the present invention, when the cable is mounted, the cable is fitted between the first and second holding pieces while the engaging mechanism is engaged. ,
In this state, the cable and the membrane structure can be easily attached by press-fitting and fixing the hook formed between the first and second holding pieces to the fitting portion of the base plate.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. 1 and 2 show an embodiment of a cable attaching device for a membrane 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. It is an expanded sectional view corresponding to AA.

That is, the large space facility shown in FIG. 1 is used as an artificial skiing area 10, and outer walls 12, 12 which are continuous on both sides in the direction perpendicular to the plane of the drawing are constructed.
A membrane roof 14 as a membrane structure is stretched between the upper end portions 2 and 12. The outer walls 12, 12 and the membrane roof 1
The floor surface 18 of the large space portion 16 constituted by 4 is continuously inclined in the extending direction of the outer walls 12, 12, and the sloped floor surface 18 is formed with artificial snow to form a slope,
You can glide on the snow.

The membrane roof 14 is shown in a solid line in FIG. 1 as being inflated by injecting air into the large space portion 16, and in a two-dot chain line, the internal air pressure is eliminated and the deflation is performed. It shows the state that was done. The membrane roof 1
4 is supported by a plurality of cables 20 (see FIG. 2) spanned between the upper ends of the outer walls 12, 12. In addition, both ends of the cable 20 are connected to the outer wall 1 via anchors 22.
2 and 12 so as to be vertically rotatable so that the membrane roof 14 moves smoothly 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 snow machine, a snow gun, and the like are installed in the machine room 24.

As shown in FIG. 2, the whole membrane 30 constituting the membrane roof 14 is constructed by connecting a plurality of membrane pieces 30a, 30a to each other via a connecting member 32. As shown in the figure, the connection member 32 is located inside the film body 30 along the connection ends of the film pieces 30a, 30a to be connected to each other (the inside and outside directions are centered on the large space portion 16). The same applies to the following) and the inner pressing plate 34 and the inner pressing plate 3
4 and a pair of outer pressing plates 36, 36 located at both ends in the width direction and arranged outside the film body 30.

The inner holding plate 34 and the outer holding plates 36, 36 are each formed in a belt shape having a predetermined length of stainless steel or an aluminum alloy, and the inner and outer holding plates 34, 36 form respective joints. Displace the membrane piece 3
A plurality is arranged in the connection direction of 0a and 30a. And
Between the inner pressing plate 34 and the outer pressing plates 36, 36, the film pieces 30a,
The connection end of 30a is wound around the cord bodies 41, 41 and sandwiched therebetween, and is fixedly fastened by bolts 42 and nuts 44. At the lower end of the inner holding plate 34, hanging plates 46 for attaching a secondary cable (not shown) are provided at appropriate intervals.

Here, in the present embodiment, as shown in FIG. 2, a cable attaching device 50 is attached so as to straddle between the outer pressing plates 36, 36. The mounting device 50 includes a pair of base plates 52, 52 fixed to the outer pressing plates 36, 36 via the bolts 40, nuts 42, respectively, a first holding piece 54 surrounding a half circumference of one side of the cable 20, and other components. And a second holding piece 56 surrounding the side half circumference. At the opposing portions of the base plates 52, 52, a fitting portion 58 which is bent substantially in a symmetrical shape is formed. In addition, the first,
An engaging mechanism 60 for detachably engaging the two holding pieces 54 and 56 is formed between one end of the second holding pieces 54 and 56, and between the other end of the first and second holding pieces 54 and 56. A hook 62 is formed which is press-fitted and fixed to a fitting portion 58 formed between the base plates 52,52.

The engaging mechanism 60 has an engaging portion 64 extending one end (upper side in the drawing) of the first holding piece 54 and bending outward (rightward in the drawing), and a second holding member 54. One end (upper side in the figure) of the piece 56 is extended and bent so as to cover the locking portion 64 from the outside, and the hook portion 66 is locked by the locking portion 64.

With the above configuration, in the membrane roof 30 of the present embodiment, a plurality of membrane pieces 30a, 30
a of the outer pressing plates 36, 3 of the connecting member 32 for connecting
6, the cable mounting device 50 is provided,
Is inflated, the cable 20 is pushed up via the cable attaching device 50 as the membrane roof 14 rises. Then, when the membrane roof 14 is completely inflated, the rise of the roof membrane 14 is restricted from the outside of the membrane 30 by the cable 20, and the cable 20 supports the membrane roof 14 in this state.

In this embodiment, when the cable 20 is attached to the cable attaching device 50, the engaging mechanism 58 is used.
The cable 20 is sandwiched between the pair of first and second holding pieces 54 and 56 in a state where the locking portion 64 and the hook 66 are engaged with each other. And after pinching the cable like this,
The first and second holding pieces 54 and 56 are closed, and the hook portions 62 formed between the lower ends are fitted to the fitting portions 5 of the base plates 52 and 52.
Press into 8. Accordingly, in this state, the first and second holding pieces 54 and 56 are fastened in the closing direction by the engagement of the engagement mechanism 60 and the hook portion 62 being pressed into the fitting portion 58. Thereby, the cable 20 is connected to the first and second cables.
The base plates 52, 5 are provided via the second holding pieces 54, 56.
2 and, in turn, to the membrane 30 via the connecting member 32.

Therefore, the attachment of the cable 20 is as follows.
In a state sandwiched between the first and second holding pieces 54 and 56, the hook portion 62 can be completed by a very simple operation of inserting the hook portion 62 into the fitting portion 58, and the attaching work of the cable 20 can be performed easily and quickly. It can be carried out.

In this embodiment, the cable mounting device 50 is fixed to the film 30 via the connecting member 32. However, the cable mounting device 50 can be directly mounted on the film 30. Further, in the present embodiment, the case where the present invention is applied to the membrane roof 14 of the artificial ski resort 10 is disclosed. However, the present invention is not limited to this, and may be applied to other large space facilities using the membrane roof, such as a general dome. It goes without saying that the cable mounting device of the membrane structure described above can be applied.

[0020]

As described above, in the cable attaching apparatus for a membrane structure according to the present invention, when the cable is attached to the membrane structure, the first and second engagement mechanisms are engaged.
A cable can be fitted between the second holding pieces, and in this state, the hook formed between the first and second holding pieces can be pressed and fixed to the fitting portion of the base plate by a simple operation. Speeds up the mounting work of In addition, since the structure of the cable attaching device itself is simplified, various excellent effects can be provided such that inexpensive products can be provided.

[Brief description of the 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 cross-sectional view showing one embodiment of the present invention, corresponding to line AA in FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Artificial skiing area (large space facility) 12 Outer wall 14 Membrane roof (membrane structure) 20 Cable 30 Membrane 30a Membrane piece 32 Connecting member 50 Cable mounting device 52 Base plate 54 First holding piece 56 Second holding piece 58 Fitting portion 60 Engagement mechanism 62 Hook

Claims (1)

(57) [Scope of request for utility model registration] 1. A cable mounting apparatus for a membrane structure supported via a cable, comprising: a base plate fixed to the membrane structure and forming a fitting portion; First and second holding pieces surrounding each; an engagement mechanism formed between one end of the first and second holding pieces for detachably engaging one end of both of them; A hook formed between the other end of the holding piece and being press-fitted and fixed to the fitting portion of the base plate.