JPH04106253A - Roof of opening and closing type - Google Patents

Abstract

PURPOSE:To enable a movable roof to be stably supported by providing the top surface of a mature with two parallel arched beams, to support the movable roof with the arched beams, and by stretching wires, steel frames, and the like to a side between the arched beams and the external sides of the arched beams. CONSTITUTION:Arched beams 1 are arranged on both the sides of opening section so that the opening section of a structure may be placed between the beams 1, and on the horizontal external sides of the arched beams 1, structure external walls 8 serving also as foundations for supporting steel frames 5a are arranged. Then, the top surface of a space surrounded with the arched beams 1, the steel frames 5a, and the external walls 8 is provided with roof member fitting metal-fittings 9, and on the external sides of the armed beams 1, drift-like roof members 10 are fitted. After that, on a space confronting the arched beams 1, movable roofs 2, 2a and a fixing roof 6 are arranged, and the fixing roof 6 is supported between both the end sections of the arched beams 1. As a result, the movable roof of heavy weight can be stably supported.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to retractable roofs of baseball fields, track and field stadiums, etc.

(Prior Art) Recently, some baseball stadiums and stadiums are equipped with roofs made of air membrane structures so that they can be used regardless of the influence of the weather.

Furthermore, various proposals have been made regarding retractable roofs to provide a sense of openness on sunny days.

The movable roof has a multi-tiered structure, and as the roof opens, the storage condition becomes stacked, making it a challenge to reduce the storage space and increase the open area ratio. Furthermore, the movable roof that makes up the retractable roof can move in either the vertical direction or the horizontal direction, each of which has its own advantages and disadvantages.When the purpose is to reduce the moving power capacity, the horizontal direction is advantageous. , which moves the movable roof horizontally in the left-right direction.

(Problem to be solved by the invention) When a retractable roof is moved horizontally as described above, one problem is how to reduce the storage space when the roof is opened. When moved to one end, the stacked structure is advantageous in terms of space because it can be stacked one on top of the other, but it has the disadvantage of being bulky in height and lacking stability in storage. In addition, since it is necessary to stably support the movable roof so that it can be opened and closed freely, if a beam is left in the opening, there is a drawback that the opening lacks a sense of openness.

In addition, folding roofs tend to have complicated roof structures;
Furthermore, there were also problems with the material and durability of the roof membrane.

The present invention was made in view of the above circumstances, and its purpose is to provide an excellent sense of openness without leaving any beams in the opening when the roof is opened, and to efficiently and stably move a retractable roof with a high opening ratio. It is intended to be structured as follows.

(Means for Solving the Problems) In order to achieve the second object, the retractable roof of the present invention is provided with two parallel arch beams spanning the top of the building, and these arch beams are used to extend the roof in the arch direction. Supports a movable roof,
Additionally, wire ropes or steel frames were stretched between the arch beams and outwardly between the arch beams.

(Function) A movable roof that is movable in the arch direction of the arch beam is supported by the arch beam, and the movable roof may be located at a vertical position of the arch beam.

The movable roofs then fit overlapping each other at the beam ends of the arch beams, or move from the overlapping state at the beam ends toward the center of the beams.

In addition, arch beams should be able to withstand vertical loads well, and in order to withstand lateral forces, wire ropes or steel frames stretched outward between the arch beams and between the arch beams should be used to support the lateral axis. They are facing each other in a way that burdens them with power.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1 shows one side of an arch beam 1 that constitutes a retractable roof together with a fixed roof and a movable roof. are formed diagonally, and guide rails 3, 3 for running and supporting the movable roof 2 are provided on the surface formed diagonally.
has been established.

In addition, a connecting cable 4 connecting the arch beams 1 and 1 is stretched on the inside where the arch beams face each other, and a tension wire 5 is stretched on the opposite side, that is, on the outside of the arch beam 1, in the direction of depression toward the ground. ing.

Forces applied in the lateral direction of the arch beam 1 are counteracted by the connecting cable 4 and the tension wire 5.

The movable roofs 2 and 2a are arranged with different levels so that they overlap each other, and the fixed roof 6 is located at the lowest level position.
has been established.

Note that a steel frame may be used instead of the tension wire 5.

Figure 2 shows the plane. As shown in the figure, arch beams 1, 1
The arch beams 1 are placed in parallel, sandwiching and straddling the arena top surface of the building from both sides, and foundations 7 are installed at both ends of the arch beams 1 to support them.

Furthermore, the outside where the arch beams 1, 1 are facing each other,
That is, both ends of the arch beam 1 are bulged outward in an elliptical shape and connected to the outside of the arch beam 1, and instead of the tension wire 5, an outer wall 8 of the building is provided which also serves as a foundation to support the steel frame 5a. There is. A plurality of steel frames 5a provided in place of the tension wire 5 extend from the upper side surface of the arch beam 1 to the top surface of the outer wall 8, and are arranged intermittently in parallel in the axial direction of the arch beam 1.

In this way, the arch beam 1, the steel frame 5a, and the outer wall 8
Roofing material mounting brackets 9 are provided on the top surface of the space surrounded by the steel frame 5a and are lowered parallel to the outer wall 8 from the outside of the arch beam 1, and roofing material 10 is installed on the back side of these roofing material mounting brackets 9 and the steel frame 5a. is attached to form a single-sided roof on the outside of the arch beam 1.

Also, on the space facing the arch beams 1 and 1, there is a moving roof 2,
2a and a fixed roof 6, the fixed roof 6 is placed between both ends of the arch beam 1, and the movable roof 2, 2 is provided at the center of the arch beam, that is, at the top position, and the movable roof 2 is provided on the outside thereof. Movable roofs 2a, 2a are provided at a lower level.

The movable roofs 2.2a are each movably supported by guide rails 3 laid on the surface of the arch beam 1, as described above, and these movable roofs 2.2a are supported by the guide rails 3 laid on the surface of the arch beam 1.
It moves in the axial direction of the roof and fits on the fixed roof 6.

In this way, the arch beams 1, 1 are opposed to each other, and the large surface of the axial space of the arch beam 1 is opened and closed by the movement of the movable roofs 2, 2a.

FIG. 3 shows a side view of the fixed roof 6 and the movable roofs 2, 2a so that the installed states can be seen. Also, Fig. 4 shows the movable roof 2,
2a shows an example different from that shown in FIG. 1, in which the top of the arch beam 1 is not formed diagonally but is structured in a step-like manner, so that the moving roof 2.2a can be supported horizontally. I have to.

If the top surface of the arch beam 1 is formed obliquely and supported as shown in Fig. 1, it becomes easier to restrain both ends of the movable roof 2.2a; The force escaping to the top and the vertical load acting downward act, and a supporting structure is required to restrain both of these forces, making the structure complex. The top of the roof is shaped like a step to receive the vertical loads from both ends of the movable roofs 2, 2a. However, it goes without saying that even in this case, it is necessary to restrain the force that spreads laterally at both ends of the movable roofs 2, 2a.

To be sure, FIG. 5 shows a frame in which tension wires 5 are used instead of the steel frame 5a. arch beam 1
, 1, and a tension wire 5 is stretched on the outside of the arch beam 1, and is stretched across the top of the outer wall 8, which bulges out in a loose arc on the outside of the arch beam 1 when viewed in plan. A roof membrane 11 is stretched over the top surface of the space surrounded by beams 1 and outer walls 8 so as to be supported by tension wires 5.

FIG. 6 is a side view showing how the frame shown in FIG. 5 is provided with movable roofs 2, 2a.

A tension wire 5 is used on the outside of the arch beam 1,
This constitutes a membrane roof that supports the roof membrane 11 without placing an excessive load on the tension wire 5 or in the lateral direction of the arch beam 1.

(Effects) As explained in detail above, according to the retractable roof of the present invention, two parallel arch beams spanning the top of the building are provided, and the movable roof can be moved freely in the arch direction using these arch beams. Since it supports the roof, it is possible to obtain an opening top surface with a sense of openness without leaving any beams on the top surface of the opening, and by making the angle of inclination of the arch beam gentle, the opening and closing power capacity of the movable roof can be made to be the same as the horizontal opening and closing movement. It becomes possible to make it smaller.

Furthermore, since the movable roof has both ends supported by arch beams, a structurally simple shape can be obtained, which is extremely advantageous in terms of the roof support structure, support members, and construction.

Furthermore, since wire ropes or steel frames are stretched outward between the arch beams and between the arch beams, the force in the orthogonal direction that crosses the axial direction of the arch beams is stopped by the wire ropes, steel frames, etc., and is extremely This has the effect of making it easier to stably support a heavy moving roof.

[Brief explanation of drawings]

Fig. 1 is a sectional view for explaining the arch beam, Fig. 2 is a plan view showing the retractable roof of the present invention, Fig. 3 is a side view thereof,
FIG. 4 is a longitudinal cross-sectional view in the direction of the construction plane of FIG. 3, FIG. 5 is a plan view showing a timber part according to another embodiment, and FIG. FIG. 1... Arch beam 2... Moving roof 3... Guide rail 4... Connecting cable 5... Tension wire 5a... Steel frame

Claims (1)

[Claims] Two parallel arch beams spanning the top of the building are provided, and the arch beams support a movable roof that can move freely in the arch direction, and wires are connected between the arch beams and outward between the arch beams. A retractable roof characterized by a rope or steel frame.