JPH03260275A - Tension control device of opening and closing membrane roof device - 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 a tension adjustment device for a retractable membrane roof device that adjusts the tension of a membrane roof that is adjusted to be openable and closable on a roof frame.

(Prior art, problem to be solved by the invention) In a retractable membrane roof device in which a membrane roof is extended to a ceiling opening so that it can be opened and closed, when the membrane roof is stretched to a roof frame, the tension A tension adjustment device is provided to adjust the tension.

In this type of tension adjustment device, in order to tension and relax the membrane roof along the opening/closing direction of the membrane roof, the device is generally arranged on an extension of the membrane roof in the opening/closing direction.

However, when the tension adjustment device is provided on the extension of the membrane roof in the opening/closing direction, the length of the membrane roof in the opening/closing direction of the retractable membrane roof device inevitably becomes large.
When the width of the membrane roof is large, there is a problem in that the tension adjustment device occupies a considerable amount of space.

The present invention has been devised in view of the above circumstances, and an object of the present invention is to enable a tension adjustment device to be provided in a retractable membrane roof device without increasing the length in the opening/closing direction of the membrane roof;
To provide a tension adjustment device for a retractable membrane roof device that can be installed without taking up much space even when the width of the membrane roof is large.

(Means for Solving the Problems) The present invention for achieving the above object will be described with reference to drawings corresponding to embodiments.

The present invention is a tension adjustment device for a retractable membrane roof device that adjusts the tension of a membrane roof 5 that is adjusted to be openable and closable on a roof frame 3, and in which a space is provided at one end of the membrane roof 5 in the width direction of the membrane roof 5. A plurality of wires 63 are attached at one end of the membrane roof 5, and the wires 63 are engaged with each of the wires 63, and the wires 63 are connected to each other in the width direction of the membrane roof 5. A drum 67 connected to each of the wires 63 and capable of winding and unwinding the wires 63, and a power source 67A for rotating the drum 67. shall be.

(Function) The wire 63 is routed through the pulley 65 in the width direction of the membrane roof 5, and the tension of the membrane roof 5 is adjusted by winding or letting out the wire 63 from the width direction of the membrane roof 5.
The tension adjustment device 13 can be installed without increasing the length in the opening/closing direction of the membrane roof in the retractable membrane roof device l, and can be installed without taking up space even when the width of the membrane roof 5 is large. .

(Example) Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view of the retractable membrane roof device, and FIGS. 2 and 3 are views taken along the TI and III arrows in FIG. 1, respectively.

1 is a retractable membrane roof device, and the membrane roof device 1 includes a roof frame 3 and a membrane roof 5 that is extended to the roof frame 3 in an openable and closable manner.
Equipped with

A hoisting device 7 and a locking mechanism 9 are provided at one end of the roof frame 3, and a removal device 11 and a tension adjustment device 13 are provided at the other end.

The membrane roof 5 is unrolled and tensioned on the roof frame 3 by a hoisting device 7, and is pulled out from the roof frame 3 by a removal device 11.

To adjust the tension of the membrane roof 5, one end of the membrane roof 5 is locked by the locking mechanism 9 with the membrane roof 5 deployed on the roof frame 3, and the other end of the membrane roof 5 is tensioned by the tension adjustment device 13. It is done by relaxing.

The roof frame 3 consists of end frames 3A disposed on both sides and three intermediate frames 3B disposed between the end frames 3A, and each frame 3A, 3B has a side surface as shown in FIG. The membrane roof 5 has an arcuate shape and extends over the end frames 3A and the intermediate frame 3B.

Each of the frames 3A, 3B includes a guide frame 15 shown in cross-section in FIG.

The guide frame 15 is composed of two frame members 17 made of steel and each having a concave cross section.

As shown in FIGS. 4 to 6, a large number of carts 21 are attached at intervals in the extending direction of the guide frame 15 at locations corresponding to the guide frame I5 attached to the membrane roof 5. There is.

FIG. 5 shows a side view of the trolley 21, and FIG. 6 shows a plan view.
The trolley 21 is a base 211 located on the guide frame 15.
and a roller 212 that is supported by a base 211 and rolls on the upper wall 17A of the frame member 17.

The base 211 includes a top plate portion 211A, side plate portions 211B hanging from both ends of the top plate portion 211A, and side plate portions 211B.
A mounting plate portion 211C protrudes outward from the center of the mounting plate portion 211C, and a lower plate portion 2110 extends inward from the lower end of the side plate portion 211B.
It consists of.

A large number of locations on the membrane roof 5 spaced apart in the direction in which the guide frame 15 extends are connected to the truck 21 via holes 211E of the mounting plate portion 211C, wires, and the like.

Two rods 21 are spaced apart between the side plate portions 211B.
3 are horizontally installed via nuts 214, and each rod 21
Rollers 212 are rotatably disposed on both sides of 3, respectively.

The roller 212 has a large diameter portion at its end, and is configured to run along the guide frame 15 by positioning the large diameter portion at both ends of the upper wall 17A of the frame member 17.

In addition, a member 215 made of synthetic resin with a small coefficient of friction is attached to the upper surface of the lower plate portion 2] ID, and this member 215 and rollers 212 sandwich the upper wall 17A, and the cart 21 moves to the upper wall 17.
It is configured so that it does not deviate from A.

As shown in a side view in FIG. 7 and in a front view in FIG.
A wire 25 is attached to the square steel 23 at a location corresponding to the guide frame 15 .

Frame members 17 of the two guide frames 15
As shown in FIG. 1, pulleys 27 are rotatably disposed between the vertical walls 17B at intervals in the longitudinal direction.

The membrane roof 5 is stretched over the roof frame 3 by winding up the wire 25 with the winding device 7 . Further, when the membrane roof 5 is pulled up by the removal device 11 and the ceiling opening is opened, the wire 25 is guided by the pulley 27 and passed from the hoisting device 7 side to the removal device 11 side.

FIG. 7 shows a side view of the hoisting device 7.

The winding device 7 includes a winding section 7A provided for each frame 3A, 3B.

Each winding section 7A is composed of a motor 31 and a pulley 33 attached to the output shaft of the motor 31, and one end of the wire 25 is connected to the pulley 33 via a guide pulley 35.
The wire 25 is configured to be wound up by driving the motor 31.

The locking mechanism 9 is composed of a large number of locking rods 37 attached to the square steel 23, and locking pawls 39 that are fixed to the ground side and engage and disengage from the locking rods 37.

As shown in a side view in FIG. 9 and in a front view in FIG. 10, the locking pawl 39 includes a pawl body 39A that is swingably installed via a bracket 41, and a rocking portion on the tip side of the pawl body 39A. It consists of a movably arranged claw piece 39B.

To lock one end of the membrane roof 5 to the ground, raise the claw body 39A, lock the tip of the claw body 39A to the locking rod 37, and then swing the claw piece 39B downward as shown by the arrow. This is done by moving the claw piece 39B and locking it to the locking rod 37.

The removal device 11 is composed of a removal section 11A provided for each frame 3A, 3B.

As shown in FIG. 4, no boob is attached between the vertical walls 17B of the frame member 17 located on the other end side of the guide frame 15, but a chain guide 43 is attached.

As shown in the side view in FIG. 11, each removal portion 11A includes a driving sprocket 45 and a driven sprocket 47 (see FIG. 1) disposed on the other end side of the guide frame 15.
and a chain 49 whose negative side is disposed on the chain guide 43 and hung between both sub-block seats 45.4,
The truck 21 is attached to the chain 49 at intervals.
A hook 51 (see FIG. 5) that can be engaged with the rod 213 of the rod 213 is provided. A roller 49A is attached to the pivot point of the link constituting the chain 49, and the chain guide 4
It is configured to roll on 3.

A sprocket 55 attached to the output shaft of a motor 53 is connected to the drive sprocket 45 via a chain 57.

The chain 49 and the hook 51 are moved by the drive of the motor 53, and the hook 51 engages with the rod 213 to move the trolley 2.
1 to the other end side of the guide frame 15, and the membrane roof 5
is removed from the roof frame 3 to open the ceiling opening.

A square steel pipe 61 is attached to the cart 21 on the other end side of the membrane roof 5 as shown in FIG. 12, and wires 63 are installed at intervals on the square steel pipe 61 as shown in FIG. is attached.

As shown in FIGS. 3 and 13, the tension adjustment device 13 includes a large number of rotatable pulleys 65 installed on the ground side via brackets 64.

Each of the wires 63 is routed along the width direction of the membrane roof 5 to the frame 3A or 3B side via a pulley 65 as shown in FIG. It is wound up by a winding drum 67,
Alternatively, in the sixth embodiment in which the tension of the membrane roof 5 is adjusted by being fed out, four wires 63 are connected to a single drum 67 via pulleys 65, and four drums 67 are arranged. ing.

The present embodiment is constructed as described above, and the wires 63 are routed along the width direction of the membrane roof 5 via the pulley 65, and the plurality of wires 63 are tensioned and relaxed in the width direction of the membrane roof 5. Since the tension is adjusted, the tension adjustment device 13 can be provided without increasing the length of the retractable membrane roof device 1 in the opening/closing direction of the membrane roof.

Furthermore, even if the width of the membrane roof 5 is large, if the drums 67 are appropriately arranged in accordance with the width of the membrane roof 5 as in the embodiment, the space can be saved by rotating these drums 67. The tension of the membrane roof 5 can be easily adjusted without removing it.

Furthermore, in the embodiment, since the locking mechanism 9 is provided at one end of the membrane roof 5, by locking one end of the membrane roof 5 with the locking mechanism 9, the tension of the membrane roof 5 can be adjusted more reliably. I can do it.

(Effects of the Invention) As is clear from the above description, according to the present invention, the tension of the membrane roof is adjusted by winding or letting out the wire from the width direction of the membrane roof, so that the retractable membrane roof device Tension adjustment of a retractable membrane roof device that allows the tension adjustment device to be installed without increasing the length of the membrane roof in the opening/closing direction, and that can be installed without taking up much space even when the membrane roof is wide. A device is obtained.

[Brief explanation of drawings]

Fig. 1 is a side view of the retractable membrane roof device, Figs. 2 and 3 are views taken from arrows II and III in Fig. 1, respectively, and Fig. 4 is a cross-sectional front view of the guide frame and truck portion. Figure 5 is a side view of the same, Figure 6 is a plan view of the same, Figure 7 is a side view of the winding device, Figure 8 is a front view of the locking mechanism, Figure 9 is a side view of the locking pawl, The figures are the same front view, Figure 11 is a side view of the removal device, Figure 12 is a side view of the other end of the membrane roof, and Figure 13 is a side view of the removal device.
The figure is a front view of the same. In the figure, 1 is a retractable membrane roof device, 3 is a roof frame, 5 is a membrane roof, 7 is a hoisting device, 9 is a locking mechanism, 11 is a removal device, 13 is a tension adjustment device, 15 is a guide frame, and 2I is a trolley. , 63 is a wire, 65 is a pulley, and 67 is a drum.

Claims (3)

[Claims] (1) A tension adjustment device for a retractable membrane roof device that adjusts the tension of a membrane roof that is adjusted to be openable and closable on a roof frame, and is attached to one end of the membrane roof at intervals in the width direction of the membrane roof. a plurality of pulleys provided corresponding to the plurality of wires on one end side of the membrane roof and engaging with each of the wires to respectively route the wires in the width direction of the membrane roof; and each of the wires. 1. A tension adjustment device for a retractable membrane roof device, comprising: a drum connected to a drum to enable winding and unwinding of the wire; and a power source for rotating the drum. (2) The tension adjustment device for a retractable membrane roof device according to claim 1, wherein the other end of the membrane roof is provided with a locking mechanism for fixing the other end. (3) The tension adjustment device for a retractable membrane roof device according to claim 1, wherein a plurality of said drums are provided at intervals in the width direction of the membrane roof.