JP2021188367A - Shutter apparatus construction method - Google Patents

Abstract

To provide a shutter apparatus construction method that enables left and right brackets to be fitted as they are to a structure when a winding shaft assembly is lifted to a height position of the structure.SOLUTION: A winding shaft assembly 45 is assembled with at least a winding shaft 3 and left and right brackets 4. When fitting the brackets 4 to a structure after lifting up the winding shaft assembly 45 by a lifting device such as a winch to lift up the brackets 4 to a height position of the structure in order to fit the brackets 4 of the winding shaft assembly 45 to the structure such as a suspended wall, a lifting position P1 for lifting up the winding shaft assembly 45 by the lifting device is set to a position right above or substantially right above a gravity center position P2 of the winding shaft assembly 45 at the brackets 4 in a horizontal diameter direction of the winding shaft 3.SELECTED DRAWING: Figure 7

Description

The present invention includes a take-up shaft and two left and right brackets that rotatably support the take-up shaft in order to construct a shutter device in which the shutter curtain opens and closes by rotating the take-up shaft at the installation site. It is related to the construction method of the shutter device for attaching the take-up shaft assembly to the structure at the installation site. It can be used as a shutter device for an opening that opens and closes a portion.

The shutter device that opens and closes the shutter curtain by winding and unwinding the take-up shaft is attached to the take-up shaft and the structure, and two left and right shutter devices that rotatably support both ends of the take-up shaft in the length direction. The bracket and the shutter curtain whose upper end is coupled to the take-up shaft and which is freely wound around the take-up shaft are configured as the main constituent members. In the following Patent Document 1, among the constituent members constituting the shutter device, a winding shaft assembly including a winding shaft, two left and right brackets, and a shutter curtain is assembled in advance, and this winding shaft assembly is provided. By hanging a belt around the take-up shaft and connecting the hook of the crane to this belt, this crane, which is a lifting device, lifted the take-up shaft assembly, thereby reaching the height position of the structure. The work of attaching the two left and right brackets to this structure is shown.

However, in this take-up shaft assembly, since the two left and right brackets arranged at both ends in the length direction of the take-up shaft are rotatable with respect to the take-up shaft, the crane is used as described above. When the take-up shaft assembly is lifted, the orientation of the two left and right brackets when reaching the height position of the structure is the orientation according to the position of the center of gravity of these brackets, and these brackets are immediately attached to the structure. It cannot be installed. Therefore, in the technique shown in Patent Document 1, the orientation of the two left and right brackets when the take-up shaft assembly is lifted to the height position of the structure is used to attach these brackets to the structure as they are. Prior to lifting the take-up shaft assembly by a crane, the end of the shutter curtain wound around the take-up shaft and the respective brackets are connected by an elongated member in order to make the orientation possible.

Japanese Unexamined Patent Publication No. 2010-7363

According to this, before lifting the take-up shaft assembly, the work of connecting the end of the shutter curtain wound around the take-up shaft and each bracket with an elongated member is performed, and therefore, the structure It is necessary to devise a way to attach the two left and right brackets to the structure as they are when the take-up shaft assembly is lifted to the height position of the body.

An object of the present invention is to provide a method for constructing a shutter device that enables two left and right brackets to be directly attached to a structure when the take-up shaft assembly is lifted to the height position of the structure. It is in.

In the method of constructing the shutter device according to the present invention, the upper end portion of the shutter curtain is coupled to the winding shaft whose both ends in the length direction are rotatably supported by two left and right brackets attached to the structure, and the winding is described. Assembled by at least the take-up shaft and the two left and right brackets among the constituent members of the shutter device in which the shutter curtain can be opened and closed and moved up and down by freely winding the shutter curtain around the take-up shaft. A device for lifting a take-up shaft assembly, which is configured by having two left and right brackets rotatably arranged with respect to the take-up shaft at both ends in the length direction of the take-up shaft. In the construction method of the shutter device, in which the two left and right brackets that have reached the height position where the structure is arranged are attached to the structure by the lifting device, the winding by the lifting device is performed. To lift the shaft assembly to a position directly above or substantially above the center of gravity of the take-up shaft assembly with the two left and right brackets in the horizontal radial direction of the take-up shaft. A first work step, and a second work step for raising the two left and right brackets to the height position where the structure is arranged by lifting the take-up shaft assembly by the lifting device. It is characterized by including a third work step for attaching the two left and right brackets to the structure.

Therefore, in the method of constructing the shutter device according to the present invention, in the first work step, the lifting position for lifting the winding shaft assembly by the lifting device is set by two left and right brackets in the horizontal radial direction of the winding shaft. Since the work of setting the winding shaft assembly to the position directly above or substantially above the center of gravity of the winding shaft assembly is carried out, in the second work step, the winding shaft assembly is lifted by the lifting device, and the two brackets on the left and right In the process of raising the structure to the height position where the structure is placed, the two left and right brackets do not rotate or hardly rotate around the take-up shaft. Therefore, when the two left and right brackets are attached to the structure in the third work step, the orientation of these brackets should be such that the attached portion provided on these brackets faces the structure side. This makes it possible to attach the two left and right brackets to the structure as they are when the take-up shaft assembly is lifted to the height position of the structure, and this mounting work can be easily performed in a short time. You can.

In the above-mentioned construction method of the shutter device according to the present invention, the winding shaft assembly can be lifted by the lifting device in any form by any lifting device. As an example, the lifting device is assumed to have two left and right string-shaped members extending downward from the main body of the lifting device, and the take-up shaft assembly is lifted by pulling up these string-shaped members. That is. In this case, the pulling position by the string-shaped member becomes the lifting position for lifting the take-up shaft assembly by the lifting device in the first work step.

Further, as described above, the lifting device shall have two string-shaped members on the left and right extending downward from the main body of the lifting device, and the take-up shaft assembly may be formed by pulling up these string-shaped members. It can also be carried out in any form that the lifting position by these string-shaped members is set to the lifting position for lifting the take-up shaft assembly by the lifting device. One example of this is that in the first work step, one string-shaped member connecting member is attached to each of the two left and right brackets in the take-up shaft assembly, and the two left and right brackets in the horizontal radial direction of the take-up shaft. In order to mount the take-up shaft assembly at a position directly above or substantially above the center of gravity of the assembly, and then to carry out the second work step, two string-shaped members on the left and right are attached to these string-shaped member connecting members. Is to concatenate.

According to this, by pulling up each string-shaped member, the work for lifting the two left and right brackets in the take-up shaft assembly to the height position of the structure is performed, and one string-shaped member connecting member is attached to each bracket. It can be carried out by attaching the string-shaped member and connecting the string-shaped member to the string-shaped member connecting member.

Further, in this way, one string-shaped member connecting member is attached to each of the two left and right brackets, and the two left and right brackets are directly above the position of the center of gravity of the take-up shaft assembly in the horizontal radial direction of the take-up shaft. It is also possible to attach the two left and right string-shaped members to these string-shaped member connecting members by attaching them at a position or a position substantially directly above, in any form, and one example thereof is the string-shaped member connecting member. The lower end of the string-shaped member is tied to the member, and another embodiment is to provide a hook member at the lower end of the string-shaped member and hook the hook member to the string-shaped member connecting member.

Of these, as in the latter case, a hook member is provided at the lower end of the string-shaped member, and the hook member is hooked on the string-shaped member connecting member so that the string-shaped member is connected to the string-shaped member connecting member. In addition to being able to easily perform this connecting work, it is also possible to easily separate the string-shaped member from the string-shaped member connecting member after attaching the two left and right brackets to the structure.

Further, as described above, the lifting device shall have two left and right string-shaped members extending downward from the main body of the lifting device, and the take-up shaft assembly may be formed by pulling up these string-shaped members. Another example of how to lift and set the lifting position by these string members to the lifting position for lifting the take-up shaft assembly by the lifting device is 2 on each of the two left and right brackets. With respect to the position of the center of gravity of the take-up shaft assembly with the two brackets on the left and right in the horizontal radial direction of the take-up shaft, the pieces of the string-shaped member connecting member are placed on both sides of the take-up shaft in the horizontal radial direction from the position of the center of gravity. Attached at a high position, and then, in order to carry out the second work step, each of the flexible elongated members bridged over the two string-shaped member connecting members is positioned directly above or substantially above the center of gravity. It is to connect two string-shaped members on the left and right at the position.

According to this, two string-shaped member connecting members are attached to each of the two left and right brackets for winding about the position of the center of gravity of the winding shaft assembly with the two left and right brackets in the horizontal radial direction of the winding shaft. On both sides in the horizontal radial direction of the shaft, the flexible elongated member attached at a position higher than the center of gravity position and spanning the two string-shaped member connecting members is located directly above or substantially above the center of gravity position on each of the flexible elongated members. Since the two left and right string-shaped members are connected at the position directly above, in the second work step, by pulling up each string-shaped member, the two left and right brackets in the take-up shaft assembly are placed at the height position of the structure. These brackets can be prevented from swinging significantly around the take-up shaft when raised to.

Further, in this way, two string-shaped member connecting members are attached to each of the two left and right brackets, and the winding shaft assembly is wound about the position of the center of gravity of the two left and right brackets in the horizontal radial direction of the winding shaft. Attached at a position higher than the center of gravity on both sides in the horizontal radial direction of the shaft, each of the flexible elongated members spanned over the two string-shaped member connecting members is located directly above or substantially above the position of the center of gravity. It is also possible to connect the two left and right string-shaped members at the position directly above by any form, and one example thereof is to connect the lower end portion of the string-shaped member to the flexible elongated member. Further, in another embodiment, a hook member is provided at the lower end of the string-shaped member, and the hook member is hooked on the flexible elongated member.

Of these, as in the latter case, a hook member is provided at the lower end of the string-shaped member, and the hook member is hooked on the flexible elongated member so that the string-shaped member is connected to the flexible elongated member. This connecting work can be easily performed, and the string-shaped member can be easily separated from the flexible elongated member after the two left and right brackets are attached to the structure.

Further, the lifting device used in the method for constructing the shutter device according to the present invention described above is arranged at an arbitrary position in a structure such as a building where the shutter device is installed, depending on the function and structure of the lifting device. An example of the arrangement location is the above-mentioned structure to which two left and right brackets are attached.

When the lifting device is attached to a structure to which two left and right brackets are attached in this way, the lifting device may be attached directly to this structure, or the structure may be attached before the first work step described above is carried out. By connecting the base member to the body and attaching the lifting device to the base member, the work of attaching the lifting device to the structure via the base member is carried out, and then the first work step is carried out. You may.

Of these, as in the latter, before the first work step is carried out, by connecting the base member to the structure and attaching the lifting device to the base member, the lifting device is structured via the base member. When the work of attaching to the body is carried out and then the first work step is carried out, the lifting device is attached to the structure via the base member, so that the lifting device is further attached to the structure. You will be able to install it securely.

Further, before the first work step is carried out in this way, the work of connecting the base member to the structure and attaching the lifting device to the base member, thereby attaching the lifting device to the structure via the base member. When the first work step is to be carried out after that, in the above-mentioned third work step, the base member is a part of the above-mentioned take-up shaft assembly and is taken up. Work is performed to attach the above-mentioned brackets rotatably arranged at both ends in the length direction of the shaft, whereby this third work step is a work step of attaching the brackets to the structure via the base member. May be.

According to this, since both the lifting device and the bracket are attached to the base member coupled to the structure, the base member becomes a mounting member for attaching these lifting devices and the bracket to the structure. By using the mounting member for both purposes, the lifting device and the bracket can be effectively mounted on the structure, and the cost of the construction device of the shutter device including the lifting device and the base member can be reduced.

Further, in the second work step, the position of the attached portion attached to the base member in the bracket of the take-up shaft assembly and the downward extension line for the front surface of the base member coincide with each other in the horizontal diameter direction of the take-up shaft. Alternatively, it may be carried out with substantially matching.

According to this, when the bracket of the take-up shaft assembly rises to the height position where the base member is placed, the work for attaching the bracket to the base member is performed by moving the take-up shaft assembly horizontally to the take-up shaft. It can be easily carried out with little or little movement in the radial direction.

Further, at the end of the third work step, the base member is connected to the structure even when the shutter curtain is wound up by the winding shaft by the rotation of the winding shaft and is unwound so that it can be opened and closed. It may be left behind. According to this, the take-up shaft can be supported by the two left and right brackets that are more securely attached to the structure via the base member, and the shutter curtain can be opened and closed.

Further, in the method of constructing the shutter device according to the present invention described above, the above-mentioned winding shaft assembly lifted by the lifting device includes a winding shaft for freely winding the shutter curtain and the winding shaft. It may be arranged at both ends in the length direction and assembled with two left and right brackets for rotatably supporting the take-up shaft by being attached to the structure, or with these take-up shafts. The two brackets on the left and right may be assembled by adding a shutter curtain whose upper end is connected to the take-up shaft and which is taken up by the take-up shaft.

Further, when the take-up shaft assembly is assembled by adding a shutter curtain whose upper end is connected to the take-up shaft and which is taken up by the take-up shaft in this way, this shutter is used. The curtain may be a part of the shutter curtain, the entire shutter curtain including the seat plate arranged at the lower end of the shutter curtain, or substantially the entire shutter curtain excluding the seat plate.

Further, an accessory member may be arranged in advance on the take-up shaft and the two left and right brackets constituting the take-up shaft assembly. For example, an opening / closing device for rotating the take-up shaft, an automatic closing device for automatically stopping the closing movement of the shutter curtain, and a shutter curtain for opening / closing movement are inserted into such an accessory member. The auxiliary shaft and the like are included in the case of a two-axis type shutter device provided with a magnifying glass member for forming a slit to be formed and an auxiliary shaft serving as a guide shaft for guiding the shutter curtain to the take-up shaft.

Therefore, when the take-up shaft assembly is assembled by including the above-mentioned shutter curtain and accessories, the take-up shaft assembly with two left and right brackets in the horizontal radial direction of the above-mentioned take-up shaft. The position of the center of gravity of the solid is the position of the center of gravity including the weight of the shutter curtain and the accessory members.

Further, the lifting device used in the method of constructing the shutter device according to the present invention lifts the take-up shaft assembly, and attaches the two left and right brackets of the take-up shaft assembly to the height of the structure to which these brackets are attached. Any type or device can be used as long as it can be raised to the upper position, for example, a winch, a hoist, a chain block, a crane, or It may be a forklift or the like.

Further, the string-shaped member extending from the main body of the lifting device to pull up the take-up shaft assembly may also be one according to the type and structure of the lifting device, and the string-shaped member may be, for example, a wire. , It may be a chain, it may be a rope, or it may be a belt or the like. Further, the flexible elongated member described above may be, for example, a wire, a chain, a rope, a belt or the like.

Further, the method of constructing a shutter device according to the present invention can be applied to a shutter device installed at an arbitrary place for any purpose, and this shutter device is, for example, a shutter that is closed and moved in an emergency such as a fire. It may be a disaster prevention shutter device for forming a disaster prevention section by a curtain, or an opening shutter device for opening and closing an opening such as an entrance / exit with a shutter curtain.

According to the present invention, it is possible to obtain the effect that the two left and right brackets when the take-up shaft assembly is lifted to the height position of the structure can be attached to the structure as it is.

FIG. 1 is a front view showing the entire shutter device installed by implementing the construction method according to the embodiment of the present invention. FIG. 2 is a side sectional view of FIG. 1 showing a portion of a take-up shaft and a bracket that supports the take-up shaft. FIG. 3 is a front view showing a state when the work of lifting the take-up shaft assembly by the winch, which is a lifting device, is started. FIG. 4 is a cross-sectional view taken along the line S4-S4 of FIG. FIG. 5 is an enlarged front view showing a portion of the bracket and the base member shown in FIG. FIG. 6 is a side view of FIG. FIG. 7 is an enlarged view showing a portion of FIG. 4 of a manual traveling carriage and a winding shaft assembly mounted on the manual traveling carriage. FIG. 8 shows a bracket of the take-up shaft assembly shown in FIG. 7, a C-shaped clamp which is a string-shaped member connecting member attached to the bracket, and a lower end of a wire which is a string-shaped member. It is a front view which shows the hook member provided in the portion and hooked on the C-shaped clamp. FIG. 9 is a diagram similar to FIG. 3 showing the middle of the work of lifting the take-up shaft assembly by the winch. FIG. 10 is a diagram similar to that of FIG. 7 in the case of FIG. FIG. 11 is a diagram similar to FIG. 10 showing a method of constructing the shutter device according to another embodiment. FIG. 12 is a diagram similar to FIG. 10 showing an example in which the embodiment of FIG. 11 is further improved. FIG. 13 is a diagram similar to FIG. 1 showing a shutter device using a base member according to another embodiment. FIG. 14 is a diagram similar to FIG. 3 showing a state when a winch, which is a lifting device, is attached to the base member according to the embodiment of FIG. 13 and a work of lifting the take-up shaft assembly is started.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. The shutter device according to this embodiment is a shutter device for disaster prevention. Therefore, as shown in FIG. 1, the shutter curtain 2 is usually attached to the take-up shaft 3 arranged in the attic space S2 separated from the indoor space S1 by the ceiling formed by the ceiling material 1. The shutter curtain 2, which is wound in time and whose thickness is in the front-rear direction, is unwound from the winding shaft 3 and closes and moves in the event of an emergency such as a fire, thereby causing the interior space S1. A disaster prevention section divided in the front-rear direction is formed in. Both ends of the take-up shaft 3 in the axial direction are rotatably supported by two left and right brackets 4, and these brackets 4 are provided in the ceiling space S2 of a structure such as a building where a disaster prevention shutter device is installed. The falling wall 5 is attached to the falling wall 5 via a base member 10 which is connected as a pre-attached member to be described later, and the falling wall 5 which is also a skeleton of the above-mentioned structure has a bracket 4 via the base member 10. It is a structure according to this embodiment for mounting.

The structure may be a frame or the like formed by combining a metal bar or the like with the attic space S2.

FIG. 2 is a side sectional view showing a portion of the take-up shaft 3 shown in FIG. 1 and a bracket 4 that supports the take-up shaft 3. As shown in FIG. 2, the bracket 4 is formed by opening the recess 4A for inserting the axial end portion of the take-up shaft 3 toward the front (left side in FIG. 2). By fastening the bearing member 6 rotatably fitted to the axial end of the take-up shaft 3 to the bracket 4 with a fastener 6A such as a screw, the take-up shaft 3 becomes a bearing. It is rotatably supported by two left and right brackets 2 via a member 6. As shown in FIG. 2, the falling wall 5 has a vertical direction in the vertical direction at each position corresponding to the arrangement location of the two left and right brackets 4 shown in FIG. An elongated rod-shaped base member 10 is connected, and these base members 10 are connected to the descending wall 5 by an anchor member or the like embedded inside the descending wall 5.

As shown in FIG. 2, the bracket 4 according to the present embodiment has a back flange protruding in the axial direction of the take-up shaft 3 on the back surface, the upper surface, and the lower surface of the main body portion 4B in which the recess 4A is formed. The portion 4C, the upper surface flange portion 4D, and the lower surface flange portion 4E are provided. A plurality of holes 12 for inserting the shaft portion 11A of the bolt 11 are formed in the rear flange portion 4C at the top and bottom, and the shaft portion 11A of the bolt 11 inserted through these holes 12 is formed in the base member 10. The bracket 4 is attached to the descending wall 5 via the base member 10 by screwing into the female screw hole 13 and tightening the respective bolts 11. Therefore, of the base member 10 whose overall shape is a vertically long rod member, the lower portion where a plurality of female screw holes 13 are formed is a bracket mounting portion for mounting the bracket 4 on the base member 10. It is 10A. Further, of the bracket 4, the back flange portion 4C which is vertically extended and has a vertical surface is a mounted portion to be attached to the base member 10.

Further, in the base member 10, the upper side of the bracket mounting portion 10A is a lifting device mounting portion 10B for mounting a winch, which is a lifting device described later, and this winch is the same as the bracket 4. Since the lifting device mounting portion 10B is attached to the base member 10 by a plurality of upper and lower bolts, the lifting device mounting portion 10B is provided with a plurality of female screw holes 14 into which the shaft portion of the bolt is screwed. It has become.

As shown in FIG. 1, of the two left and right brackets 4, one of the brackets 4 is a switch 15 connected to the take-up shaft 3 by a transmission means composed of a chain, a sprocket wheel, or the like. However, an automatic closing device 16 is installed in the switch 15 which is mounted via a mounting member (not shown) and is composed of a combination of an electric motor and a brake.

The shutter curtain 2 in the normal state is in a fully open state because substantially the entire shutter curtain 2 is wound around the take-up shaft 3. When a fire breaks out, a control device (not shown) activates the automatic closing device 16 by a signal from a sensor that detects smoke or the like, so that the brake of the switch 15 is mechanically switched from on to off. Therefore, the shutter curtain 2 is attached to the skeleton 7 such as a wall or a pillar in FIG. 1 by its own weight, or by its own weight and the driving force of the electric motor of the switch 15, and by the reverse rotation of the take-up shaft 3. While being guided by the pair of left and right guide rails 8, it closes and moves downward, whereby a disaster prevention section is formed in the indoor space S1 as described above. When a person who discovers the occurrence of a fire operates the operating device 9 shown in FIG. 1, the brake is electrically switched from on to off, and the shutter curtain 2 closes and moves. Further, after the emergency situation such as a fire is resolved or when the shutter device for disaster prevention is inspected, the take-up shaft 3 is rotated in the forward direction by the drive of the electric motor of the switch 15 by operating the operation device 9. The shutter curtain 2 is wound around the take-up shaft 3 and opens upward to move, and is in a fully open state.

A pair of lintel members 17 are arranged at intervals in the front-rear direction on the ceiling surface of the ceiling material 1 shown in FIG. 1, and the shutter curtain 2 is inserted into a slit between these lintel members 17. Then, the take-up shaft 3 is taken up and closed and moved up and down by unwinding.

In FIG. 3, two left and right base members 10 are connected to the descending wall 5 as advance members before the ceiling material 1 and the magus member 17 are arranged, and these base members 10 are shown. It is shown that one winch 20, which is a lifting device, is attached to each of the above. That is, the winch 20 of the present embodiment is a front-end member interposed between the bracket 4 and the descending wall 5, and is via a base member 10 provided for each of the two left and right brackets 4. It is attached to the descending wall 5, whereby the winch 20 can be effectively arranged on the descending wall 5 by the base member 10. 5 is an enlarged view of the winch 20 portion of FIG. 3, and FIG. 6 is a side view of FIG. The winch 20 has an electric motor 22 and a take-up drum 23 that rotates forward and reverse around a central shaft 23A whose axial direction is horizontal by a driving force from the electric motor 22 attached to a base 21. As shown in FIG. 6, the shaft portion 18A of the bolt 18 is inserted into the hole 21A of the base 21, and the shaft portion 18A is attached to the lifting device mounting portion 10B of the base member 10. The winch 20 is attached to the base member 10 at the lifting device mounting portion 10B by screwing it into the provided female screw hole 14 and tightening the bolt 18.

One end of a wire 24, which is a string-like member, is connected to the take-up drum 23 of each winch 20, and the wire 24 extends from the main body of the winch 20 composed of the electric motor 22 and the take-up drum 23. Is wound up and unwound by the take-up drum 23 by the forward and reverse rotation of the take-up drum 23. The wire 24 extending from the take-up drum 23 is hung around a guide roller 25 provided for each winch 20, and the direction of the wire 24 is changed downward by the conversion action of the guide roller 25. The wire 24 extends vertically as it is. The guide roller 25 is rotatably arranged at the tip of the guide roller support 26 about a central axis 25A whose axial direction is horizontal, and the base of the guide roller support 26 is a base of a winch 20. It is connected to the side surface of the table 21 by welding or the like. In the thickness direction of the shutter curtain 1 from the base 21, the guide roller support 26 extending diagonally forward has a guide roller 25 in a direction having a component in the thickness direction of the shutter curtain 2 in the front-rear direction. The guide roller arrangement position adjusting means 27 of FIG. 6 that can change and adjust the arrangement position is provided.

As shown in FIG. 6, the guide roller support 26 is a member on the base member 10 side, and is a base member 28 joined to the side surface of the base 21 of the winch 20 by welding or the like, and a guide roller. It is a member on the 25 side, and is configured to include a support member 29 that supports the guide roller 25. As shown in FIG. 5, two members are provided on both sides of the guide roller 25. Each of the supporting members 29 is provided with a guide ridge 29A that is slidably fitted to the guide ridge 28A of FIG. 6 provided on the base member 28, and these guide ridges 29A are provided. Since the support member 29 can move forward and backward with respect to the base member 28 by the guide action of the guide roller 29A and the guide roller support 26, the position of the guide roller 25 is set on the guide roller support body 26. A guide roller arrangement position adjusting means 27 that can be changed and adjusted with respect to the extending direction of the guide roller is provided. The base member 28 and the support member 29 for which the arrangement position of the guide roller 25 has been changed and the adjustment has been completed can be coupled and integrated by the tightening coupler 30 for tightening and connecting the base member 28 and the support member 29.

As can be seen from FIGS. 5 and 6, the tightening connector 30 is formed in the elongated hole 31 formed in each of the support members 29 in the extending direction of the guide roller support 26, and in the base member 28. It consists of a bolt 32 into which a shaft portion 32A is inserted through a round hole and a nut 33 screwed into the end portion of the shaft portion 32A. By tightening the nut 33, the base member 28 and the support member 29 are formed. Is combined and integrated. Further, by loosening the nut 33, the support member 29 can be moved back and forth with respect to the base member 28 by the guide action of the guide recess 28A and the guide protrusion 29A, whereby the arrangement position of the guide roller 25 can be guided. The roller support 26 can be changed and adjusted to an appropriate position in the extension direction.

The electric motor 22 of each winch 20 is driven by a signal transmitted to the control device by an operator operating an operation device (not shown) that is wirelessly or wiredly connected to the control device mounted on the winch 20. When the electric motor 22 of the winch 20 is reversely driven by the operation of the operating device for forward / reverse rotation and stop, the wire 24 is unwound from the take-up drum 23 due to the reverse rotation of the take-up drum 23. Then, it descends and hangs vertically due to the conversion action of the guide roller 25.

As shown in FIG. 3, a manual traveling carriage 36 is arranged below the falling wall 5 on the floor 35 where the shutter device is installed, and the manual traveling carriage 36 has a manual traveling carriage 36. The take-up shaft assembly 45 is mounted. The take-up shaft assembly 45 includes a take-up shaft 3, two left and right brackets 4 rotatably arranged at both ends of the take-up shaft 3 in the length direction via the above-mentioned bearing member 6. The upper end portion is coupled to the take-up shaft 3 and is composed of a shutter curtain 2 wound around the take-up shaft 3, and both ends of the take-up shaft 3 in the length direction are interposed at both ends of the take-up shaft 3 via a bearing member 6. The work of arranging the two left and right brackets 4 and the work of connecting the upper end of the shutter curtain 2 to the take-up shaft 3 and winding the shutter curtain 2 on the take-up shaft 3, that is, the take-up shaft 3 and the work. The work for assembling the take-up shaft assembly 45 by the two left and right brackets 4 and the shutter curtain 2 is the work of manufacturing these take-up shafts 3, the two left and right brackets 4, the shutter curtain 2, or the shutter. It is carried out in advance at the site where the device is installed.

As shown in FIG. 4, which is a cross-sectional view taken along the line S4-S4 of FIG. 3, the manual traveling carriage 36 is a mounting member for mounting the winding shaft 3 in the winding shaft assembly 45. 37, a handle member 39 extending diagonally rearward from the middle of the mounting member 37 in which casters 38 serving as traveling wheels are provided at two locations in the front and rear of the lower surface, and a mounting member 37. It has a unit structure 41 which is erected between the handle member 39 and the support member 40 which supports the handle member 39. As shown in FIG. 3, there are two unit structures 41 on the left and right, and these unit structures 41 are made of a pipe material or the like spanned between the mounting members 37 of these unit structures 41. It is connected by a connecting member 42. Since the connecting member 42 is detachably coupled to the mounting member 37 by the clamp 43 of FIG. 4, two connecting members 42 are released by releasing the coupling between the mounting member 37 and the connecting member 42 by opening the clamp 43. The spacing between the unit structures 41 of the unit structure 41 can be adjusted so that the winding shaft assembly 45 including the winding shaft 3 mounted on the mounting member 37 has an axial length dimension. Even if it is composed of various take-up shafts 3 having different characteristics, the operator can put his / her hand on the handle member 39 to run the manual traveling carriage 36 on the take-up shaft assembly 45. , Can be carried to any place.

In this way, the operator causes the manual traveling carriage 36 to travel on the floor 35, so that the winding shaft assembly 45 mounted on the manual traveling carriage 36 is a falling wall 5 where the shutter device is installed. It is carried to the place below. Then, for each of the two left and right brackets 4 in the take-up shaft assembly 45 mounted on the manual traveling carriage 36, the lower end portion of the wire 24 which is a string-shaped member extending from the main body of the winch 20 is bracketed. A C-shaped clamp 46 for connecting to 4 is attached, and this C-shaped clamp 46 is a string-shaped member connecting member according to the present embodiment.

7 is an enlarged view of a portion of the manual traveling bogie 36 of FIG. 4, and FIG. 8 is an enlarged front view of a portion of the bracket 4 and the C-shaped clamp 46 of FIG. 7. As shown in FIG. 8, in the C-shaped clamp 46, two screw rod members 48, 49 are screwed into a pair of protruding portions 47A, 47B of the clamp main body 47 so as to face each other, and one end portion thereof is provided. The contact portions 48B and 49B are provided at the other ends of the screw rod members 48 and 49 provided with the rotation operation portions 48A and 49A. By rotating the screw rod members 48 and 49 in the forward and reverse directions by the rotation operation portions 48A and 49A, the contact portions 48B and 49B move in the directions of approaching and separating from each other. After these contact portions 48B and 49B are arranged on both sides of the above-mentioned main body portion 4B of the bracket 4 in the axial direction of the take-up shaft 3, the screw rod members 48 and 49 are rotated forward by the rotation operation portions 48A and 49A. The main body portion 4B of the bracket 4 is sandwiched by the contact portions 48B and 49B, whereby the C-shaped clamp 46 is attached to the bracket 4.

The position where the C-type clamp 46 is attached to the bracket 4 in this way is shown as the attachment position P1 in FIG. 7, and the screw rod members 48 and 49 in the C-type clamp 46 are arranged at this attachment position P1. It is the position where you are. Then, in the present embodiment, the mounting position P1 is set to a position directly above or substantially above the center of gravity position P2 of the take-up shaft assembly 45 on the bracket 4 in the horizontal radial direction of the take-up shaft 3. The substantially total weight of the take-up shaft assembly 45 according to the present embodiment is due to the take-up shaft 3 and the shutter curtain 2 wound around the take-up shaft 3, and therefore, the take-up shaft 3 is used. The center of gravity position P2 of the take-up shaft assembly 45 on the bracket 4 in the horizontal radial direction of 3 is the center position of the take-up shaft 3 on the bracket 4 or a position close to the center position. In this way, at the center position of the take-up shaft 3 in the bracket 4, or at the mounting position P1 which is directly above or substantially above the center of gravity position P2 which is located near the center position, two left and right sides are used. One C-shaped clamp 46 is attached to each of the brackets 4.

As shown in FIGS. 7 and 8, the clamp body 47 of the C-shaped clamp 46 is provided with a hook portion 50 having an opening 50A formed therein, and the opening 50A is provided with a hook portion 50 as described above. The hook member 51 connected to the lower end of the wire 24 hanging from the guide roller 25 is inserted and locked, whereby the hook member 51 of the wire 24 is attached to the C-shaped clamp 46 which is the string-shaped member connecting member. To connect the C-shaped clamp 46 and the lower end of the wire 24.

Before or after connecting the C-shaped clamp 46 and the lower end portion of the wire 24 in this way, the arrangement position of the guide roller 25 on which the wire 24 hangs is set to the above-mentioned guide roller arrangement position. The adjusting means 27 changes and adjusts the winding shaft 3 in the front-rear direction, which is the horizontal diameter direction. As a result of this change and adjustment work, as shown in FIG. 4, the downward extension line N for the front surface 10C of the bracket mounting portion 10A of the base member 10 coupled to the descending wall 5 and the take-up shaft assembly. The position of the back flange portion 4C, which is the above-mentioned mounted portion of the bracket 4 in the solid 45, is aligned or substantially matched in the front-rear direction, which is the horizontal diameter direction of the take-up shaft 3. The term “substantially coincident” here means that the position of the rear flange portion 4C may be slightly displaced forward with respect to the downward extension line N in the front-rear direction away from the front surface 10C of the bracket mounting portion 10A. That's what it means.

Further, the downward extension line N for the front surface 10C of the bracket mounting portion 10A in the base member 10 coupled to the descending wall 5 and the back surface as the mounting portion of the bracket 4 in the take-up shaft assembly 45. To make the position of the flange portion 4C match or substantially match in the front-rear direction which is the horizontal radial direction of the take-up shaft 3, the take-up shaft assembly 45 of the present embodiment is a manual traveling carriage. Since it is mounted on the 36, it may be performed by traveling the manual traveling carriage 36 in the front-rear direction, or the arrangement position of the guide roller 25 may be changed and adjusted by the guide roller arrangement position adjusting means 27. , The manual traveling carriage 36 may be traveled in the front-rear direction. Further, the guide roller arrangement position adjusting means 27 may be omitted, and the manual traveling carriage 36 may be simply driven in the front-rear direction.

As described above, the C-shaped clamps 46 are attached to the two left and right brackets 4 in the take-up shaft assembly 45 mounted on the manual traveling carriage 36, and the two left and right base members 10 are attached to these C-shaped clamps 46. After connecting the two left and right wires 24 extending from the main body of the winch 20 attached to the respective winches 20 by the hook member 51, the operator drives the electric motor 22 of these winches 20 by the operation of the above-mentioned operating device. The take-up drum 23 of each winch 20 is rotated in the forward direction, and each wire 24 is taken up by these take-up drums 23. By the pulling action of these wires 24, the take-up shaft assembly 45 Is lifted from the manual traveling carriage 36.

FIG. 9 shows a state in which the take-up shaft assembly 45 is lifted away from the manual traveling bogie 36 by the pulling action of the two left and right wires 24, and FIG. 10 shows a state. Shows the state of the bracket 4 at this time and the take-up shaft assembly 45 including the bracket 4. As described above, the mounting position P1 of the C-shaped clamp 46 in each of the two left and right brackets 4 is directly above the center of gravity position P2 of the take-up shaft assembly 45 in the bracket 4 in the horizontal radial direction of the take-up shaft 3. It is in a position or a position approximately directly above. This mounting position P1 is also a pulling position for the take-up shaft assembly 45 by the wire 24, and these mounting positions P1 and the pulling position are the take-up shaft assembly 45 by the winch 20 which is a lifting device. It is also the lifting position for.

Then, in order to lift the take-up shaft assembly 45 by the winch 20 in this way, one C-shaped clamp 46 is attached to each of the two left and right brackets 4 in the take-up shaft assembly 45, and these C-shaped clamps are attached. Even if the lower end of the wire 24 extending from the main body of the winch 20 is connected to the clamp 46 by the hook member 51 and the take-up shaft assembly 45 is lifted by pulling up the wire 24, the mounting position P1 is horizontal to the take-up shaft 3. Since the take-up shaft assembly 45 is located directly above or substantially above the center of gravity P2 of the take-up shaft assembly 45 in the bracket 4 in the radial direction, the take-up shaft 3 is moved to the take-up shaft assembly 45 in the process of lifting the take-up shaft assembly 45. On the other hand, the bracket 4 that is rotatable by the above-mentioned bearing member 6 does not rotate or hardly rotates with respect to the take-up shaft 3. Therefore, among the brackets 4, the back flange portion 4C, which is the attached portion to be attached to the bracket mounting portion 10A of the base member 10, maintains or substantially maintains the vertical posture, and remains in such a state. The take-up shaft assembly 45 is lifted, and the two left and right brackets 4 in this take-up shaft assembly 45 are up to the height position of the two left and right base members 10 coupled to the above-mentioned plumb bob 5. Rise.

In this way, when the two left and right brackets 4 rise to the height positions of the two left and right base members 10 coupled to the plumb bob 5, these brackets 4 rotate with respect to the take-up shaft 3. The back flange portion 4C of the bracket 4 mounted on the front surface 10C of the bracket mounting portion 10A of the base member 10 has the same vertical state or substantially vertical state as the bracket mounting portion 10A because it is not rotated or hardly rotated. Maintained. Therefore, as shown in FIG. 2, the shaft portion 11A of the bolt 11 is inserted into the hole 12 provided in the back flange portion 4C, and the shaft portion 11A is inserted into the female screw hole of the bracket mounting portion 10A of the base member 10. The work of attaching the bracket 4 to the base member 10 performed by screwing it into the 13 and tightening the respective bolts 11 is performed with the bracket 4 as it is without rotating the bracket 4 around the take-up shaft 3. This installation work can be done easily.

Further, when the take-up shaft assembly 45 is lifted by the pulling action of the wire 24, as described above, the lower extension line N about the front surface 10C of the bracket mounting portion 10A in the base member 10 and the take-up shaft assembly Since the position of the back flange portion 4C, which is the mounted portion of the bracket 4 in 45, coincides with or substantially coincides with the front-rear direction, which is the horizontal radial direction of the take-up shaft 3, the two brackets 4 on the left and right The back flange portion 4C of the bracket 4 by the bolt 11 with little or little movement of the take-up shaft assembly 45 in the front-rear direction when the two base members 10 are raised to the height positions of the two left and right base members 10. Can be attached to the bracket mounting portion 10A of the base member 10. Therefore, this mounting work can be easily performed.

When the two left and right brackets 4 are attached to the two left and right base members 10 as described above, these brackets 4 together with the take-up shaft 3 and the shutter curtain 2 constitute the take-up shaft assembly 45. Therefore, the take-up shaft 3 and the shutter curtain 2 whose upper end is coupled to the take-up shaft 3 and written on the take-up shaft 3 are also arranged in the attic space S2 shown in FIG. It will be. After that, by removing the winch 20 from the base member 10, the guide roller support 26 coupled to the base 21 of the winch 20 is also removed from the base member 10, and one of the two left and right brackets is further removed. The ceiling is formed by the work of attaching the shutter 15 of FIG. 1 to the opening / closing device 15 and the automatic closing device 16 of FIG. 1, the work of attaching a pair of left and right guide rails 8 to the frame 7 of FIG. By performing such work, the shutter curtain 1 can be wound up by the forward and reverse rotation of the winding shaft 3 while being guided by the pair of left and right guide rails 8, and can be unwound and moved up and down.

Even when the shutter curtain 2 is wound up by the winding shaft 3 by the rotation of the winding shaft 3 and is drawn out so as to be openable and closable, the two left and right base members 10 are still on the falling wall 5. It is bound to and left behind. Therefore, in order to attach the winch 20 to the descending wall 5, the two left and right brackets 4 are attached to the descending wall 5 via these base members 10 coupled to the descending wall 5, and the winch 20 is attached to the descending wall 5. The two left and right base members 10 are used as members for attaching the two left and right brackets 4 to the wall 5.

Therefore, the base member 10 according to the present embodiment is a mounting member that is also used to mount both the bracket 4 and the winch 20 to the descending wall 5, thereby serving as a constituent member of the shutter device. The bracket 4 and the winch 20, which is a device for lifting the take-up shaft assembly 45, can be effectively arranged at the construction site of the shutter device, and the base member 10 and the winch 20 are provided. It is possible to reduce the cost of the construction device of the shutter device.

Further, the base member 10 according to the above embodiment has a vertical direction in the vertical direction, and a lower portion thereof is a bracket mounting portion 10A for mounting the bracket 4, which is an upper portion. Since the portion is the lifting device mounting portion 10B for mounting the winch 20, both the bracket 4 and the winch 20 can be effectively mounted on the base member 10.

Further, in the above embodiment, in order to connect the wire 24 to each bracket 4, the number of C-shaped clamps 46 attached to each bracket 4 as a string-shaped member connecting member is one. Therefore, the C-shaped clamp 46 can be easily attached to the bracket 4.

Further, connecting the lower end portion of the wire 24 to the C-shaped clamp 46 is performed by providing a hook member 51 at the lower end portion of the wire 24 and hooking the hook member 51 on the C-shaped clamp 46. It can be done quickly and easily, and it is also possible to quickly and easily release the connection between the C-shaped clamp 46 and the lower end portion of the wire 24 after attaching the two left and right brackets 4 to the two left and right base members 10. ..

In the embodiment of FIG. 11, two C-shaped clamps 46 are attached to one bracket 4. These C-shaped clamps 46 are more than the center of gravity position P2 on both sides of the take-up shaft 3 in the horizontal radial direction with respect to the center-of-gravity position P2 of the take-up shaft assembly 45 in the bracket 4 in the horizontal radial direction of the take-up shaft 3. It is installed in a high position. Further, in this embodiment, a flexible elongated member 52 made of a wire or the like is bridged between the two C-shaped clamps 46 with a margin length, and the flexible elongated member 52 is provided at the lower end portion of the wire 24. By hooking the hook member 51, the bracket 4 and the lower end of the wire 24 are connected to each other via the C-shaped clamp 46, the flexible elongated member 52, and the hook member 51, and the hook member in the flexible elongated member 52 is connected. The hooking position of 51 is set to a position directly above or substantially above the center of gravity position P2 of the take-up shaft assembly 45.

Also in the embodiment of FIG. 11, the position where the take-up shaft assembly 45 is lifted by the winch 20, in other words, the position where the take-up shaft assembly 45 is pulled up by the wire 24, is set in the horizontal diameter direction of the take-up shaft 3. The position may be directly above or substantially above the center of gravity P2 of the take-up shaft assembly 45 on the bracket 4.

In particular, according to the embodiment of FIG. 11, two C-shaped clamps 46 are wound around the bracket 4 with respect to the center of gravity position P2 of the take-up shaft assembly 45 at the bracket 4 in the horizontal radial direction of the take-up shaft 3. Since it is attached at a position higher than the center of gravity position P2 on both sides of the take shaft 3 in the horizontal radial direction, when the take-up shaft assembly 45 is raised by pulling up the wire 24, an unexpected external force or the like is applied. Even if it acts on the take-up shaft assembly 45, it is possible to prevent the bracket 4 from swinging significantly around the take-up shaft 3, thereby stabilizing and raising the take-up shaft assembly 45 by pulling up the wire 24. Can be done.

Further, since the lower end portion of the wire 24 is connected to the flexible elongated member 52 by hooking the hook member 51 provided at the lower end portion of the wire 24, this connection work and the two left and right ends are connected. It is possible to quickly and easily perform the disconnection work between the flexible elongated member 52 and the lower end portion of the wire 24, which is performed after the bracket 4 is attached to the two left and right base members 10.

In the embodiment of FIG. 12, two stop bodies 53 are attached to both sides of the hook member 51 to the flexible elongated member 52. These stop bodies 53 are a short-sized tubular member 53A slidably fitted to the outside of the flexible elongated member 52 along the flexible elongated member 52, and a stopper screwed into the tubular member 53A. It is composed of a screw 53B, and by rotating the set screw 53B and pressing the tip of the set screw 53B into contact with the flexible elongated member 52, each stop body 53 becomes a flexible elongated member 52. It is fixed.

According to this embodiment, in the process in which the take-up shaft assembly 45 is raised by pulling up the wire 24, even if an unexpected external force or the like acts on the take-up shaft assembly 45, the flexible elongated member 52 It is possible to prevent the hooking position of the hook member 51 from shifting in the front-rear direction by the stop body 53, and therefore, it is possible to more reliably achieve a stable ascent of the take-up shaft assembly 45 by pulling up the wire 24. can.

The embodiment of FIG. 13 is an embodiment in which a base member 60 different from the base member 10 in the previous embodiments is coupled to the falling wall 5. As can be seen from FIG. 14, which shows a state when the take-up shaft assembly 45 is being lifted, the base member 60 is a vertically long bracket mounting portion to which the two left and right brackets 4 of FIG. 13 are mounted. The winch 70, which is a lifting device of FIG. Is provided with one lifting device mounting portion 60C for mounting the above.

The winch 70 has an electric motor 72 and a take-up drum 73 arranged in the vertical direction on a base 71 connected to a lifting device mounting portion 60C by a bolt 79 or the like, and the take-up drum 73 has two. When one end of the wire 74 is coupled and the take-up drum 73 is rotated forward by the electric motor 72, the two wires 74 are simultaneously wound by the take-up drum 73, and the take-up drum 73 is rotated in the reverse direction by the electric motor 72. The two wires 74 are simultaneously unwound from the take-up drum 73. Each wire 74 is hung around a guide roller 75 that is rotatable around a central axis 75A whose front-rear direction is an axial direction, and the direction of the wire 74 is due to the conversion action of these guide rollers 75. Has been turned downwards.

Each guide roller 75 is arranged at the tip of a guide roller support 77 whose base is connected to the bridge 60B by a bolt 76 or the like near the end of the bridge 60B in the base member 60. In addition, the arrangement positions of these guide rollers 75 are arranged in the front-rear direction by the guide roller arrangement position adjusting means provided on the guide roller support 77 by the same structure as the guide roller arrangement position adjusting means 27 shown in FIG. It can be changed and adjusted in the direction of having the components of.

Hook members 78 are provided at the lower ends of the two wires 74 extending downward from the respective guide rollers 75, and these hook members 78 are used as the manual traveling carriage 36 as in the embodiment of FIG. The lower end of the wire 74 is connected to the bracket 4 by being hooked on the C-shaped clamps 46 attached to the two left and right brackets 4 of the take-up shaft assembly 45 mounted on the wire 74.

Also in this embodiment, since the take-up drum 73 is rotated forward by the electric motor 72 of the winch 70 and the two wires 74 are taken up by the take-up drum 73, the take-up shaft assembly is carried out by pulling up by these wires 24. The solid 45 can be lifted from the manual traveling carriage 36, and the number of winches 20 is one, and the two wires 74 are simultaneously wound by one winding drum 73, so that there are two left and right winches. The pulling work of the take-up shaft assembly 45 by the wire 74 can be performed without tilting the left and right ends of the take-up shaft assembly 45 from the horizontal direction.

Further, since the arrangement position of each guide roller 75 can be changed and adjusted in the front-rear direction which is the horizontal radial direction of the take-up shaft 3 by the above-mentioned guide roller arrangement position adjusting means, the embodiment shown in FIG. 4 Similarly, the downward extension line for the bracket mounting portion in the base member 60 coupled to the descending wall 5, and the position of the rear flange portion 4C which is the mounted portion of the bracket 4 in the take-up shaft assembly 45. Can be matched or substantially matched in the front-rear direction, which is the horizontal radial direction of the take-up shaft 3, to lift the take-up shaft assembly 45. As a result, when the two left and right brackets 4 are raised to the height positions of the two left and right bracket mounting portions 10A on the base member 10, the take-up shaft assembly 45 moves almost without moving in the front-rear direction. The bracket 4 can be attached to the bracket mounting portion 10A without causing the bracket 4.

INDUSTRIAL APPLICABILITY According to the present invention, a shutter device in which a shutter curtain is opened and closed by rotation of a take-up shaft supported by two brackets on the left and right can be used for installation and construction at an installation site of the shutter device.

2 Shutter curtain 3 Winding shaft 4 Bracket 4C Back flange part to be mounted 5 Down wall 10,60 base member 10A Bracket mounting part 10C Front 10B Lifting device mounting part 20,70 Lifting device winch 22 , 72 Electric motor 23,73 Winding drum 24,74 Wire 25,75 guide roller 27 Guide roller placement position adjusting means 36 Manual traveling carriage 45 Winding shaft assembly 46 String-shaped member connecting member C-shaped clamp 51,78 Hook member 60A Left and right ends that are bracket mounting parts 60B Connecting part 60C Lifting device mounting part P1 Lifting position, pulling position, C-shaped clamp mounting position, horizontal winding shaft Position just above or approximately above the center of gravity of the take-up shaft assembly in the bracket in the radial direction P2 Center of gravity position of the take-up shaft assembly in the bracket in the horizontal radial direction of the take-up shaft N Downward extension line

Claims (11)

The upper end of the shutter curtain is coupled to the take-up shaft whose both ends in the length direction are rotatably supported by two left and right brackets attached to the structure, and the shutter curtain is freely wound around the take-up shaft. Among the constituent members of the shutter device that allows the shutter curtain to be opened and closed up and down by being taken, at least the take-up shaft and the two left and right brackets are assembled to form the length of the take-up shaft. The take-up shaft assembly, which is configured by rotatably arranging the two left and right brackets with respect to the take-up shaft at both ends in the direction, is lifted by a lifting device, and the structure is placed by this lift. In the construction method of the shutter device that implements attaching the two left and right brackets that have reached the height position to the structure.
The lifting position for lifting the take-up shaft assembly by the lifting device is set to a position directly above or substantially above the position of the center of gravity of the take-up shaft assembly with the two left and right brackets in the horizontal radial direction of the take-up shaft. The first work process to make it directly above and
A second work step for raising the two left and right brackets to the height position where the structure is arranged by lifting the take-up shaft assembly by the lifting device.
A third work step for attaching the two left and right brackets to the structure, and
A method of constructing a shutter device, which is characterized by containing. In the method of constructing the shutter device according to claim 1, the lifting device has two string-shaped members on the left and right extending downward from the main body of the lifting device, and the string-shaped members thereof. The take-up shaft assembly is lifted by pulling, and the pull-up position by the string-shaped member is the lift position for lifting the take-up shaft assembly by the lifting device in the first work step. A method of constructing a shutter device, which is characterized by this. In the method of constructing the shutter device according to claim 2, in the first work step, one string-shaped member connecting member is wound on each of the two left and right brackets. After mounting the take-up shaft assembly with the two left and right brackets at a position directly above or substantially directly above the center of gravity of the take-up shaft assembly in the horizontal radial direction of the shaft, the two left and right brackets are attached to these string-shaped member connecting members. A method of constructing a shutter device, which is carried out by connecting the string-shaped members of the above. In the method of constructing the shutter device according to claim 3, connecting the string-shaped member to the string-shaped member connecting member hooks the hook member provided at the lower end of the string-shaped member to the string-shaped member connecting member. A method of constructing a shutter device, which is characterized in that it is carried out by. In the method of constructing the shutter device according to claim 2, in the first work step, two string-shaped member connecting members are wound on each of the two left and right brackets. After mounting at a position higher than the center of gravity on both sides of the take-up shaft in the horizontal radial direction with respect to the position of the center of gravity of the take-up shaft assembly with the two left and right brackets in the horizontal radial direction of the shaft. This is carried out by connecting the two left and right string-shaped members to each of the flexible elongated members spanned over the two string-shaped member connecting members at a position directly above or substantially directly above the center of gravity. A method of constructing a shutter device, which is characterized by this. In the method of constructing the shutter device according to claim 5, connecting the string-shaped member to the flexible elongated member hooks the hook member provided at the lower end of the string-shaped member to the flexible elongated member. A method of constructing a shutter device, which is characterized in that it is carried out by. In the method of constructing the shutter device according to any one of claims 1 to 6, by connecting the base member to the structure and attaching the lifting device to the base member before the first work step is carried out. A method for constructing a shutter device, which comprises carrying out a work of attaching the lifting device to the structure via the base member, and then carrying out the first work step. In the method of constructing the shutter device according to claim 7, the third work step is a work step of attaching the bracket to the structure via the base member by attaching the bracket to the base member. A method of constructing a shutter device, which is characterized by the fact that it is used. In the method of constructing the shutter device according to claim 8, the second work step relates to the position of the attached portion attached to the base member in the bracket of the take-up shaft assembly and the front surface of the base member. A method of constructing a shutter device, characterized in that the lower extension line is aligned or substantially aligned with the winding shaft in the horizontal diameter direction. In the method of constructing the shutter device according to any one of claims 7 to 9, the base member is wound by the shutter curtain by the rotation of the take-up shaft at the end of the third work step. A method of constructing a shutter device, characterized in that the shutter device is connected to the structure and remains even when the shutter device is extended and can be opened and closed. In the method of constructing the shutter device according to any one of claims 1 to 10, in the take-up shaft assembly, the upper end portion is coupled to the take-up shaft and the shutter is taken up by the take-up shaft. A method of constructing a shutter device, which is characterized in that it is assembled including a curtain.

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