JPS62268489A - accordion door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an accordion door provided at an airplane entrance/exit of a huge circular building such as an airplane maintenance yard.

[Prior art] For example, in order to improve maintenance efficiency, an airplane maintenance yard
As shown in the figure, it is formed into a circular building A, and the building A is divided into equal parts (12 equal parts in the example shown). I am trying to maintain one airplane C at plane B.

The width of the flight line entrance/exit of this building FF1A is approximately 83 mm in order to accommodate the yellow color of large aircraft such as jumbo planes.
Building A is wide at 25m and high at about 25m
It is a huge circular building with a radius of 160m.

By the way, the door to the airplane entrance to Building A was previously made of a single plate! The board was thick (and heavy) to withstand the wind pressure load during I winds.

Therefore, it is difficult to operate the Rrfl, and a large space is required for the door storage section, that is, the door pocket section, resulting in a dead space.

[Object of the Invention] Therefore, the object of the present invention is to provide a light and easy-to-open/close device;
To provide an accordion door with a small door storage space.

[Structure of the Invention] According to the present invention, there is provided a door hanging beam provided on a structural beam of a building opening, and the door! ! A suspension girder movably suspended from the hanging beam via an upper hanging wheel, and a pair of membrane mounting hinges guided through a door upper guide roller into a door upper guide groove provided on the side of the door hanging beam. a door frame part connected to the door frame part by a vertical frame plate; a door lower guide groove provided on the floor of the building for guiding the lower part of the membrane attachment hinge part of the door frame part via a door lower guide roller; an upper running rack groove provided on the upper and lower parts of the door rib located at one end, and provided on the side of the door upper guide groove; and a lower running rack groove provided on the side of the door lower guide groove; The upper and lower traveling devices that engage to drive the door to open and close, and the inward fittings of the adjacent door ribs are stretched between the hinge portions via a membrane hinge portion so as to be foldable into the building. a door membrane part made of a lightweight material, a traction chain stretched between the membrane mounting hinge parts in a state before the door membrane part is stretched in a straight line, and a door storage part for storing the folded door. An accordion door is provided which is characterized by comprising:

[Actions and effects of the invention] Therefore! A lightweight material is used for the door membrane, which occupies most of the 1ffi, to significantly reduce the weight of the door frame, and the door frame is guided to the guide groove via upper and lower guide rollers.
The opening/closing operation can be easily performed by folding the door m section. You can also fold the door and store it in the door storage area.
Dead space can be reduced by reducing the space in the door storage area.

[Preferred Embodiment] When carrying out the present invention, it is preferable to use a steel plate or a canvas sheet as the lightweight material for the door membrane part. When a canvas sheet is used, the membrane attachment hinge part of the door frame part and the membrane It is preferable that the canvas sheet is suspended and supported by a sheet hanging member that connects the canvas sheet to the hinge portion.

When implementing the present invention, it is preferable to provide a lower seal on the lower edge of the door m section to seal the gap with the building floor. In this way, it is possible to prevent wind, rain, dust, etc. from entering the 1ull from the outside.

[Example] The present invention will be described in detail below with reference to the drawings.

FIG. 1 shows one section B of a circular building Δ equipped with an accordion door embodying the invention. The radius of this building A is 160 m, and section B is ti shop A.
It is formed by dividing it into 12 equal parts. And t of door part E
aI/rA is approximately 83 m long and is provided with 2111 accordion doors G and H that open in the direction of the arrow, and the door pockets F and F that accommodate the respective doors are formed to have a width of 6 m.

In Figures 2 to 6, doors G and H of circular building A are shown.
A door suspension beam 3 is provided on the structural beam 1 located at the upper edge in parallel with the structural beam 1 via a support beam 2 that projects inward, and a door suspension beam 3 is provided on the support beam 2. A downward door lower guide groove 4 and an upper running rack groove 5 are provided in parallel with each other in order from the inside.

Also, 1! On the floor of the ff1A, a lower guide groove 6 and a lower running rack groove 7 facing the door upward are provided opposite to the lower door guide groove 4 and the upper running rack groove 5, respectively.

The door frame part 8 that supports the door G includes a tubular suspension girder 9, a pair of tubular membrane attachment hinge parts 13 and 13 spaced apart, and a longitudinal frame plate with a T'7'-shaped cross section that connects these parts. It consists of 19.

A saddle bracket 10 is protruded outward from the upper part of the suspension girder 9, and an upper suspension wheel 12 is attached to this saddle bracket 10 via a saddle 11. It is movably supported by the door hanging beam 3.

A door upper guide row 514 guided by the door upper guide groove 4 is provided at the upper end of the membrane mounting hinge part 13, and a door lower guide roller 15 guided by the door lower guide groove 6 is provided at the lower end. There is. Furthermore, at the upper end of the membrane attachment hinge part 13 of the door frame part 8 at the opening end of the door G, an upper traveling device 16 having a biased pinion 18 that engages with the upper traveling rack groove 5 is provided, and at the lower end is provided a lower traveling rack. An undercarriage 17 is provided with a fully meshed pinion 18. and upper and lower running gear 16.1
7 are designed to be operated synchronously. In addition, the distance between the doors
A running device 1 of the door frame 8 at the opening end of the door G with a large length a.
6.17 only, the traveling device and the trailing traction chain 2
When 5 is a frame, it is preferable to provide a traveling device on the door frame 8 at a suitable position in the middle of the door G. In addition, if the length of the suspension girder 9 is long and the lateral deflection M is large and there is a risk that the binion 18 of the lower traveling device 17 may come off from the lower traveling rack groove 7, as shown in FIG. It is preferable that a lower bit part 204i is provided on the floor, a rack 21 is vertically attached to the side wall of this lower pit part 20, and the binion 18 of the lower traveling device 17 is engaged with the rack 21.

As shown in FIG. 8, a door membrane part 23 made of a lightweight material such as a canvas sheet is inserted between adjacent membrane attachment hinge parts 13 and 13 of the door frame part 8 via a tubular membrane hinge part 22. is installed so that it can be folded inward into the building. Note that the door membrane portion 23 is supported by a sheet hanging member 24 that connects the membrane attachment hinge portion 13 and the membrane hinge portion 22. Furthermore, as shown in FIG. 10, a traction chain 25 is stretched between the adjacent crotch attachment hinge parts 13 and 13 in a state before the door membrane part 23 is stretched in a straight line. The pitch of the portions 8 is kept constant, and no tensile force is applied to the door membrane g523 when the door is opened. Roughly speaking, a lower seal 26 (
(Fig. 2) is attached to prevent wind, rain, dust, etc. from entering through the gap between the lower edge of the door membrane portion 23 and the floor of the building.

Next, the effect will be explained.

When the door is stored, the door membrane part 23 is folded inward into the building using the membrane hinge part 22 as a fulcrum, as shown in Fig. 9, and the entire door is stored in the door pocket F (Figs. 1 and 2). ing.

When closing the door, the traveling devices 16 and 17 are rotated in the normal direction.

Then, the leading door frame 8 guide roller 14.15 is guided to the guide groove 4.6, and the upper suspension vehicle 12 runs on the door suspension beam 3, and the door membrane 23 is guided as shown in FIG. expand. At this time, the traction chain 25
The pitch between them is kept constant and tensile force is not applied to the door membrane part 23. Then, the first door membrane portion 23 is expanded, and then the successive door membrane portions 23 are expanded one after another to open the entire door.

When opening the door, reverse the running gear 16 and 17.
As shown in FIG. 9, the door membrane part 23 between the leading door ribs is folded in order, and finally stored in the door pocket F. In addition, when the door is opened, the door membrane 8I12 is
A tensile force acts on the door frame 8.
, supported by guide grooves 4.6 via guide rollers 14.15. The weight of the door is supported by the door suspension beam 3 via the upper suspension wheels 12. In addition, two guide rollers 14
．． Reference numeral 15 serves to guide the door frame 8 so that the door frame 8 always faces in a fixed direction, that is, towards the center of the building, with respect to the running direction of the door.

[Summary 1] As explained above, according to the present invention, the weight of the door is reduced to pumice by using a lightweight material for the door membrane, which occupies most of M products, and the door frame is guided through guide rollers. The opening and opening operations can be easily performed by folding the door membrane part guided by the groove, and by storing the folded door in the door storage part, the space in the door storage part is reduced, reducing the dot space. be able to.

[Brief explanation of drawings]

Fig. 1 is a plan view showing one section of a circular building equipped with a door embodying the present invention, Fig. 2 is a perspective view showing an embodiment of the present invention, and Fig. 3 is a door frame and door suspension. A side view showing the vicinity of the beam, Figure 4 is a view in the direction of arrow A in Figure 3, Figure 5 is a view in the direction of arrow B in Figure 4, Figure 6 is a view in the direction of arrow C in Figure 5, and Figure 7 is a view in the direction of arrow C in Figure 5. FIG. 8 is a perspective view showing the installation of the door membrane part, FIG. 9 is a cross-sectional view showing the state of the door membrane part when the door is stored, and FIG. FIG. 11 is a cross-sectional view showing the state of the door membrane after the door is closed, and a plan view showing a circular building in which the present invention is implemented. F...Door storage area 1...Structural beam 3...Door suspension beam 4...Door upper guide groove 5...Rack groove for upper running 6...Door lower guide groove 7...
・Lower running rack groove 8... Door frame 9... Suspension girder 12... Upper part! First wheel 13...Membrane mounting hinge part 14...Door upper guide roller 1
5... Door lower guide roller 16... Upper traveling device 17... Lower traveling device 19... Vertical bone plate 22... Membrane hinge part 23... Door membrane part
25... Traction chain 1'.・Kan 6 Figure 5

Claims (1)

[Claims] A door suspension beam installed on the structural beam of the building opening, a suspension girder movably suspended from the door suspension beam via an upper suspension wheel, and a door attached to the door upper guide groove provided on the side of the door suspension beam. A pair of membrane mounting hinges guided via an upper guide roller are connected by a vertical rib plate to a door frame, and a lower part of the membrane attachment hinge of the door frame provided on the floor of the building is connected to the door frame. A door lower guide groove for guiding via a lower guide roller, an upper running rack groove provided at the upper and lower parts of the door rib located at one end of the door, and provided on the side of the door upper guide groove, and the door. An upper and lower traveling device that engages with a lower traveling rack groove provided on the side of the lower guide groove to open and close the door, and a membrane hinge portion between the opposing membrane mounting hinge portions of the adjacent door rib portions. A door membrane part made of a lightweight material stretched so that it can be folded inward into the building via the door membrane, and a door membrane part stretched between the membrane attachment hinge parts in a state before the door membrane part is stretched in a straight line. An accordion door characterized by comprising a traction chain and a door storage section that stores the folded door.