JP7262561B2 - Conveyor trolley for building materials - Google Patents

Description

The present invention relates to a building material carrier for transporting building materials, and more particularly to a building material carrier used for transporting a winding shaft and a shutter curtain, which are building materials for constituting a shutter device.

As shown in Patent Document 1 below, the upper end of a shutter curtain of a shutter device for opening and closing an opening formed in a structure is coupled to a winding shaft for winding up the shutter curtain so that it can be extended. As a result, the shutter curtain moves up and down in the opening by forward and reverse rotation of the winding shaft to open and close the opening.

Conventionally, in order to form a shutter curtain whose upper end is connected to a winding shaft, all or substantially all of the shutter curtain, excluding the seat plate, etc., is formed by connecting a large number of slats. In the slat type shutter device, which is connected by engaging the curled portions formed at the upper and lower ends of these slats, at the installation site of the shutter device, the take-up shaft is received by brackets at both ends in the length direction. After connecting the uppermost slat to the uppermost slat, the second uppermost slat is connected to this uppermost slat by sliding the curled portions in the lateral direction so that the curled portions are engaged with each other. The third slat from the top is connected to the third slat from the top by sliding the curled portions from each other to engage with each other, and the same operation is repeated thereafter.

JP 2015-31021 A

According to the above work, in order to connect the lower slat to the upper slat, each slat must be laterally slid at the installation site of the shutter device. It takes a lot of effort and time to form the shutter curtain that is coupled and can be wound on this winding shaft.

SUMMARY OF THE INVENTION An object of the present invention is to make it possible to easily form a shutter curtain whose upper end is coupled to a winding shaft so that the shutter curtain can be wound around the winding shaft in a short period of time at the installation site of the shutter device. The object of the present invention is to provide a shutter curtain construction device for a shutter device and a construction method thereof.

In the shutter curtain construction device for a shutter device according to the present invention, the upper end of the shutter curtain of the shutter device for opening and closing an opening formed in a structure is connected to a winding shaft for winding up the shutter curtain so as to extend freely. A shutter curtain construction device for a shutter device used for closing the opening, wherein the winding shaft is arranged to move the upper end of the shutter curtain formed in a size to open and close all or substantially all of the opening It is characterized by including a lifting device having a lifting member for lifting the film to the same or substantially the same height position as the height position so that the upper end can be connected to the winding shaft. is.

As described above, the shutter curtain construction device of the shutter device according to the present invention is configured such that the upper end of the shutter curtain, which is formed in a size to open and close all or substantially all of the opening, is positioned at the height position where the take-up shaft is arranged. Since it includes a lifting device equipped with a lifting member for lifting the shutter curtain to the same or substantially the same height position as the shutter curtain so that the upper end of the shutter curtain can be connected to the winding shaft. Before the upper end of the shutter curtain is connected to the take-up shaft, the shutter curtain is preliminarily formed in a size to open and close all or substantially all of the opening. , the upper end of the shutter curtain can be coupled to the winding shaft by pulling it up to the same or substantially the same height position as the winding shaft, whereby the upper end is coupled to the winding shaft. Thus, the shutter curtain that can be wound around the winding shaft can be easily formed in a short time at the installation site of the shutter device.

In the shutter curtain construction device of the shutter device described above, the shutter curtain wound around the winding shaft so as to be unrolled may be connected to the winding shaft at the upper end when the shutter curtain is in the unfolded state. is provided with a mounting member for mounting the spirally wound shutter curtain, and the upper end of the shutter curtain mounted on the mounting member while being spirally wound is lifted up by the device. A member may be used to raise the winding shaft to the same or substantially the same height as the winding shaft.

According to this, the work for lifting the upper end of the shutter curtain to the same or substantially the same height position as the take-up shaft is arranged by the lifting member of the lifting device is carried out by the mounting device provided in the lifting device. Since this can be done when the shutter curtain is spirally wound and placed on the member, it is possible to untie the spirally wound shutter curtain while pulling up the upper end of the shutter curtain. , the operation of pulling up the upper end of the shutter curtain can be carried out smoothly.

The mounting member provided in the lifting device for mounting the spirally wound shutter curtain may be a non-rotating member, but is preferably a rotatable rotating member.

As in the latter case, if the mounting member provided in the lifting device for mounting the spirally wound shutter curtain is a rotatable rotating member, as described above, the spirally wound shutter curtain Since the mounting member rotates when the upper end of the shutter curtain is lifted while untying the shutter curtain, the shutter curtain wound in a spiral can be smoothly unwound, thereby allowing the upper end of the shutter curtain to be lifted. Lifting work can be carried out even more smoothly.

In the shutter curtain construction apparatus of the shutter device according to the present invention, the lifting member for lifting the upper end of the shutter curtain to the same or substantially the same height position as the winding shaft is arranged is any member. For example, a string-like member such as a wire suspended from above the shutter curtain, or a vertically moving rod such as a cylinder may be used.

A hook member for hooking the upper end of the shutter curtain is provided at the lower end of the lifting member. You may make it pull up to the same or substantially the same height position as the height position.

Further, in the case where the lower end of the lifting member is provided with a hook member for hooking the upper end of the shutter curtain, the upper end of the shutter curtain is provided with a hanging member coupled to the winding shaft with a bolt, If a hole for inserting a bolt is formed in the hanging member, the hook member may be hooked on the upper end of the shutter curtain by inserting the hook member into the hole.

According to this, the hook member of the lifting member can be hooked to the upper end of the shutter curtain using the hole of the hanging member provided at the upper end of the shutter curtain.

Further, the shutter curtain construction device for the shutter device according to the present invention is configured to include a lift device for lifting the lifting device, and the shutter curtain is lifted by the lifting member of the lifting device lifted by the lift device. The upper end may be pulled up to the same or substantially the same height as the winding shaft.

According to this, after the lifting device and the entire shutter curtain are lifted to a position close to the height position where the winding shaft is arranged by the lifting device, the upper end of the shutter curtain is lifted by the lifting member of the lifting device, and the winding shaft is lifted. Since it is possible to raise the shutter curtain to the same or approximately the same height position as the installed shutter curtain, the work for connecting the upper end of the shutter curtain to the winding shaft can be performed with improved work efficiency. can be done.

A method for constructing a shutter curtain for a shutter device according to the present invention connects an upper end of a shutter curtain of a shutter device for opening and closing an opening formed in a structure to a winding shaft for winding up the shutter curtain so as to extend freely. A method for constructing a shutter curtain for a shutter device, comprising: a first working step for forming the shutter curtain in a size that allows opening and closing all or substantially all of the opening; a second work step for raising the upper end of the curtain to a height position equal to or substantially the same as the height position where the winding shaft is arranged; and coupling the upper end of the shutter curtain to the winding shaft. and a third work step for

In this method of constructing a shutter curtain for a shutter device, in the first work step, the shutter curtain is formed to have a size that allows opening and closing all or substantially all of the openings formed in the structure, and in the second work step , the upper end of the shutter curtain is raised to the same or substantially the same height position as the winding shaft is arranged, and in the third work step, the upper end of the shutter curtain is joined to the winding shaft, Before the upper end of the shutter curtain is coupled to the winding shaft, the shutter curtain is preliminarily formed in a size to open and close all or substantially all of the opening. By pulling up to the same or substantially the same height position as the take-up shaft and connecting the upper end to the take-up shaft, the upper end is connected to the take-up shaft and wound up on the take-up shaft. A possible shutter curtain can be easily formed in a short time at the installation site of the shutter device.

In the shutter curtain construction method for the shutter device, a work step for lifting the spirally wound shutter curtain may be performed between the first work step and the second work step. .

According to this, after spirally winding the shutter curtain which is sized to open and close all or substantially all of the openings formed in the structure, the shutter curtain is wound around the winding shaft. Then, the upper end of the shutter curtain is lifted up to the same or substantially the same height position as the winding shaft. Since it is connected to the take-up shaft, the work for connecting the upper end of the shutter curtain to the take-up shaft can be performed with improved work efficiency.

The shutter curtain construction apparatus and method for a shutter device according to the present invention described above can be applied to a shutter curtain formed of any member. Alternatively, it may be formed of panels, or it may be formed of pipes whose length is in the left-right direction and connected by links, or it may be formed of sheets. Alternatively, it may be formed by a combination of different types of members such as slats and panels.

In addition, the apparatus and method for applying shutter curtains for shutter devices according to the present invention can be applied to shutter devices used in various applications, that is, it can be applied to doorway shutter devices, and can also be applied to window shutter devices. It can also be applied to a shutter device for disaster prevention.

According to the present invention, it is possible to easily form a shutter curtain whose upper end is coupled to a winding shaft and which can be wound around the winding shaft in a short period of time at the installation site of the shutter device. be done.

FIG. 1 is a front view showing the entire shutter device made of building material to which the device and method according to one embodiment of the present invention are applied. FIG. 2 shows a case in which both ends in the axial direction of the winding shaft, which is a building material for the shutter device, are received by two brackets arranged at a high place in the structure where the shutter device is installed. It is a front view showing the state of. FIG. 3 is a side view of a carriage on which a winding shaft and the like are placed and conveyed. FIG. 4 is a front view of the carriage. FIG. 5 is a plan view of the carriage. FIG. 6 is a side view of an attachment base set on the forks of a forklift vehicle. FIG. 7 is a front view of the attachment base. FIG. 8 is a plan view of the attachment base. FIG. 9 is a side view showing the carriage, the attachment table, and the forklift vehicle arranged at the installation site of the shutter device. FIG. 10 is a side view showing the attachment base set on the fork of the forklift vehicle. 11 is a plan view of FIG. 10. FIG. FIG. 12 is an enlarged view showing that the cylindrical member of the attachment base, into which the forward extending portion of the fork of the forklift vehicle is inserted, is prevented from coming out forward by the coming-out preventing means, A) is a plan view, and (B) is a side view. FIG. 13 is a side view showing the positional relationship between the carriage and the attachment table when the winding shaft is transferred from the carriage to the attachment table. 14 is a cross-sectional view taken along line S14-S14 of FIG. 13. FIG. FIG. 15 is a side view showing the state after the winding shaft has been transferred from the carriage to the attachment base by raising the forks of the forklift vehicle. FIG. 16 is a front view showing a state in which the winding shaft of the attachment table is transported to the installation site of the shutter device by the forklift vehicle, and is a diagram showing the forklift vehicle with a chain double-dashed line. FIG. 17 is a side view of FIG. 16 with the forklift vehicle omitted. FIG. 18 is a rear view of FIG. 16 with the forklift vehicle omitted. FIG. 19 is a front view showing a state in which the winding shaft of the attachment base is lifted to a height position where two brackets for receiving both ends of the winding shaft in the axial direction are arranged; , a diagram showing a forklift vehicle with a two-dot chain line; FIG. 20 is a side view of FIG. 19 with the forklift vehicle omitted. FIG. 21 is a rear view of FIG. 19 with the forklift vehicle omitted. FIG. 22 is a side view showing the positional relationship between the carriage and the attachment table when the shutter curtain wound spirally is transferred from the carriage to the attachment table. FIG. 23 is a side view showing the state after the shutter curtain has been transferred from the carriage to the attachment table by raising the forks of the forklift vehicle. FIG. 24 is a side view, omitting the forklift vehicle, showing the upper end of the shutter curtain on the attachment table when the upper end of the shutter curtain is raised to the height position where the take-up shaft is arranged. FIG. 25 is a rear view of FIG. 24 with the forklift vehicle omitted. FIG. 26 is a view similar to FIG. 24 showing the upper end of the shutter curtain coupled to the take-up shaft; FIG. 27 is a view similar to FIG. 24 showing the shutter curtain on the attachment base being wound around the winding shaft by the rotation of the winding shaft. FIG. 28 is a view similar to FIG. 9 showing an embodiment in which a combination of a winding shaft and a shutter curtain is placed on an attachment base. FIG. 29 is a view similar to FIGS. 15 and 23 in the embodiment of FIG. 28; FIG. 30 is a view similar to FIG. 18 in the embodiment of FIG. 28; FIG. 31 is a side view showing an operation according to another embodiment for lifting the combination of the take-up shaft of the attachment base and the shutter curtain.

A mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 shows an overall front view of a shutter device assembled using building materials to which the device according to the present invention is applied. This shutter device installed in a building, which is a structure, includes a shutter curtain 1 for vertically opening and closing a doorway 10, which is an opening formed in the building, and a shutter curtain 1 for guiding the vertical movement of the shutter curtain 1. , two left and right guide rails 2 which are attached to a frame 7 such as a pillar, which is a stationary member of the building, and into which both ends in the width direction of the shutter curtain 1 are inserted so as to be slidable up and down; Two left and right brackets 3 attached to a frame 8 such as a wall that is provided as a stationary member of the building, and a winding shaft 4 whose both ends in the axial direction are received by these brackets 3; In order to wind up the shutter curtain 1 whose upper end is connected to the winding shaft 4 horizontally spanning the brackets 3 and let it out from the winding shaft 4, one of the two brackets 3 and a sprocket wheel for transmitting the driving force of the opening/closing machine 5 to the winding shaft 4; A driving force transmission device 6 using a chain is included, and a shutter case 9 is attached to the frame 8 to accommodate the winding shaft 4 therein.

The shutter curtain 1, whose upper end is connected to the winding shaft 4, rotates in forward and reverse directions by the drive force of the opening/closing device 5. At the doorway 10, it moves up and down while being guided by the guide rail 2 to open and close the doorway 10, and when the shutter curtain 1 is fully closed, the seat plate 1A forming the lower end of the shutter curtain 1 is on the floor 11. reach. Further, when the shutter curtain 1 is fully opened, the seat plate 1A reaches the lower surface 9A of the shutter case 9 in which the slits for vertically inserting the shutter curtain 1 are formed. The whole or substantially the whole entrance/exit 10 is opened. Therefore, the shutter curtain 1 opens and closes all or substantially all of the entrance/exit 10 .

The upper end of the shutter curtain 1 coupled to the take-up shaft 4 is formed by the hanging member 1B shown in FIGS. As shown in FIG. 1, all or most of the shutter curtain 1, excluding the seat plate 1A forming the . The slats 1C are connected to each other by rotatably engaging the curled portions provided at the upper and lower ends of the slats 1C.

In this shutter device, the shutter curtain 1 and the winding shaft 4 are members for constituting the shutter device installed in the building. It is a building material for such a shutter device. The device and method according to an embodiment of the present invention, which will be described later, are not only the shutter curtain 1 and the winding shaft 4 for the automatic shutter device in which the shutter curtain 1 is opened and closed by the opening/closing device 5, but also the manual operation. It can also be applied to a shutter curtain and a take-up shaft for a manual shutter device in which the shutter curtain is moved to open and close.

FIG. 2 shows a state in which the operation of receiving the winding shaft 4 shown in FIG. , and in the state shown in FIG. 2, the operation of connecting the upper end of the shutter curtain 1 to the winding shaft 4 has not yet been performed, and the guide rail to the frame 7 has not yet been performed. 2 and the work of attaching the shutter case 9 to the frame 8 have not yet been performed.

As shown in FIG. 2, both ends of the winding shaft 4 in the axial direction are neck portions 4A having a small diameter. Both ends of the winding shaft 4 in the axial direction are received by the two brackets 3 by being inserted into the recesses 3A (see also FIG. 17). Bearing members 12 shown in FIG. 2 are rotatably arranged at the respective neck portions 4A. By connecting these bearing members 12 to the bracket 3 with screws or the like, the winding shaft 4 is attached to the bracket 3. It is rotatably supported via the bearing member 12 .

The shutter curtain 1 and the winding shaft 4 are manufactured in advance at a factory. In FIGS. 3 to 5, the shutter curtain 1 and the winding shaft 4 which are manufactured in advance at the factory are mounted, and these shutter curtain 1 and the winding shaft 4 are transported to the factory, the installation site of the shutter device, or the like. 3 is a side view, FIG. 4 is a front view, and FIG. 5 is a plan view. It should be noted that the shutter curtain 1 is spirally wound when it is placed on the carriage 20, and has a size capable of opening and closing all or substantially all of the doorway 10. As shown in FIG.

As shown in FIGS. 4 and 5, the carriage 20 has two base members 21 arranged in the lateral direction, which is the width direction of the shutter curtain 1. Running wheels 22 with casters shown in FIG. It is rotatably attached by a bracket 22A. Connected to the underside of each base member 21, as shown in FIG. 3, is an intermediate member 23 having a downward dimension between the running wheels 22, and as shown in FIG. , and these intermediate members 23 are connected by a rod-shaped connecting member 24 . As shown in FIGS. 3 and 5, the two connecting members 24 provided in the front-rear direction are coupled to the intermediate member 23 by clamps 25 shown in FIG. is two clamping members 26 and 27, one of which is fixed to the lower surface of the intermediate member 23 with a screw or the like, and a pin that rotatably connects the one ends of these clamping members 26 and 27. 28 and a bolt shaft whose axial end is rotatably connected to the other end of the clamping member 26 and is inserted into and engaged with a U-shaped groove formed in the other of the clamping member 27. 29 and a nut 30 screwed onto the end of the bolt shaft 29 projecting from the U-shaped groove.

Therefore, by tightening the nut 30 , the clamp 25 clamps the connecting member 24 between the two clamping members 26 and 27 , so that the connecting member 24 is coupled to the base member 21 via the intermediate member 23 . Further, by loosening the nut 30, the clamp 25 releases the clamping of the connecting member 24, thereby adjusting the interval between the two base members 21 in the lengthwise direction of the winding shaft 4. , can be changed and adjusted in the left-right direction, which is the longitudinal direction of the connecting member 24 .

As shown in FIG. 3, on the upper surface of each base member 21, a pair of first mounting members 31 for mounting the take-up shaft 4 and spirally wound members 31 as described above are provided. A pair of second mounting members 32 for mounting the shutter curtain 1 mounted thereon are spaced apart in the front-rear direction. The upper surfaces 31A of the first mounting members 31, which are arranged in a pair in the front-rear direction and are spaced apart from each other, are sloped surfaces that are inclined downward in a direction toward each other, and are separated from each other by a larger distance than the first mounting members 31. The upper surfaces 32A of the second mounting members 32, which are arranged in a pair in the front-rear direction and are spaced apart from each other, are also sloped downward in a direction toward each other. As a result, the winding shaft 4 can be stably placed on the pair of first placement members 31, and the shutter curtain 1 can be stably placed on the pair of second placement members 32 as well. .

In this embodiment, as shown in FIG. 3, the pair of first mounting members 31 are arranged on the rear side and the pair of second mounting members 32 are arranged on the front side in the front-rear direction of the upper surface of the base member 21. are placed in Further, as shown in FIG. 4, the lower end portion 1D of the shutter curtain 1 wound in a spiral and placed on the second placement member 32 is placed on the first placement member 31. It reaches below the lower end portion 4B of the winding shaft 4 which is in contact with the winding shaft 4. As shown in FIG.

As shown in FIG. 5, the first mounting member 31 and the second mounting member 32 are arranged on each of the two base members 21 arranged in the left-right direction, which is the length direction of the connecting member 24 . Therefore, two pairs of the first mounting members 31 are provided with a horizontal separation, and two pairs of the second mounting members 32 are also provided with a horizontal separation. The horizontal direction is the axial direction of the winding shaft 4, which is a building material transported by the carriage 20, and is also the axial direction of the shutter curtain 1 wound in a spiral shape. is the length direction of the winding shaft 4 and the spirally wound shutter curtain 1 when these building materials are transported by the transport carriage 20. Therefore, the first mounting member 31 , and the second mounting member 32 are also provided in plural, more specifically, two, spaced apart in the length direction of these building materials.

Further, in the present embodiment, each of the base members 21, which are constituent elements of the carriage 20, is provided with two first and second placement members 31 and 32 which are separated in the length direction of the building material. These base members 21 can be released from the connection with the connection member 24 by releasing the clamp 25 from the connection member 24 as described above. The distance between the first and second mounting members 31 and 32 in the vertical direction can be changed and adjusted. As a result, the carriage 20 according to the present embodiment can mount various types of winding shafts 4 and shutter curtains 1 having different lengthwise dimensions as building materials. By movement, the winding shaft 4 and the shutter curtain 1 can be transported.

Further, the carriage 20 according to the present embodiment is provided with a hand member 33 shown in FIGS. The handle member 33 is detachable from the carriage 20 in order to facilitate storage of the carriage 20 by downsizing it. The handle member 33 is detachably attached to the carriage 20 by inserting the handle member 33 from above into the outer periphery of the elongated member 34 erected on the base member 21 .

6 to 8 show an attachment table 40 which serves as a receiving table for receiving the winding shaft 4 and the shutter curtain 1 from the carriage 20 and is detachably set on the fork 61 of the forklift vehicle 60 in FIG. 6 is a side view, FIG. 7 is a front view, and FIG. 8 is a plan view. Since the attachment table 40 is a receiving table for receiving the winding shaft 4 and the shutter curtain 1 from the carriage 20, the carriage 20 is used for transferring the winding shaft 4 and the shutter curtain 1 to the attachment table 40. It's on a table.

As shown in FIG. 7, the attachment table 40 includes one base member 41 whose length is in the horizontal direction, which is the width direction of the shutter curtain 1, and a horizontal A plurality of pillars 42 erected at intervals of , more specifically, five pillars 42 are connected to the upper ends of these pillars 42 so that the length direction is the same as the length direction of the base member 41. A top member 43 having the same length dimension as the base member 41 and, as shown in FIGS. Two tubular members 44 are joined and provided in the left-right direction, and these tubular members 44 are rectangular tubular members having a square cross-sectional shape. Reinforcement stays are provided between the second post 42 from each of the left and right ends of the five posts 42 and the portion 44A of each cylindrical member 44 protruding rearward from the base member 41. A member 45 is installed obliquely, and a horizontal member 46 for reinforcement is also installed between the upper surfaces of the front ends of the two cylindrical members 44 .

As shown in FIG. 6, two pulleys 47, 48 are arranged on the upper side of the top member 43, spaced apart in the longitudinal direction, and these pulleys 47, 48 are shown in FIGS. As shown in FIG. 6, the shafts 49A and 49B are arranged between two holding members 49 arranged side by side in the left-right direction, and are connected to the holding members 49 by the pins 50 shown in FIG. The pulleys 47 and 48 which are freely rotatable are held by two holding members 49 . As shown in FIGS. 7 and 8, these pulleys 47 and 48 and two holding members 49 are provided at the left and right ends of the five support columns 42 where the stay members 45 are not provided, and at the left and right ends. Three sets are provided in the arrangement just above the three pillars 42 in the central part of the direction.

As shown in FIG. 6, the pulleys 47 and 48 in each set are hooked with a wire 51 that serves as a support member to be described later and also serves as a string-like member. , 48, a hook member 52 is attached to the tip of the wire 51 extending downward from the pulley 47 on the front side, and the rear end of the wire 51 extending downward from the pulley 48 on the rear side is attached to the post 42. 7, which is rotatably held by a bracket 53. As shown in FIG. Each take-up reel 54 is connected to a driving device 55 comprising an electric motor and a brake for rotating the take-up reel 54 in the normal and reverse directions so that the wire 51 is wound and fed out by the take-up reel 54 . These drive devices 55 are controlled by a control device (not shown) provided for each drive device 55 .

Each drive device 55 is attached with a receiver 56 that receives a wireless signal of light or sound transmitted from a transmitter operated by an operator, and the signal received by these receivers 56 activates each control device. , drive devices 55 are individually controlled to rotate the respective winding reels 54 in forward and reverse directions for winding and unwinding the wire 51 . Since the transmitter is provided with an operation section for individually controlling and operating the drive device 55 provided for each wire 51 by the control device, according to the operation of this operation section, The three take-up reels 54 rotate in forward and reverse directions for individually winding and unwinding the wires 51 .

As shown in FIG. 6, the take-up shaft 4 is placed on the upper surface of the portion 44B of the cylindrical member 44 which is a constituent member of the attachment table 40 and protrudes forward from the base member 41. As shown in FIG. and a pair of fourth mounting members 58 for mounting the spirally wound shutter curtain 1 as described above. As shown in FIG. 8, the placing member 57 and the fourth placing member 58 are provided on each of the two cylindrical members 44, so that the third placing member 57 and the fourth placing member 58 are provided two in the horizontal direction. Further, as shown in FIG. 6, the third mounting member 57 is a rotating member that is rotatable about a shaft 59B of a holding member 59A fixed to the cylindrical member 44, and is a rotating member that can rotate freely around a shaft 59B. The placing member 58 is also a rotating member that is rotatable about the shaft 59D of the holding member 59C fixed to the cylindrical member 44. As shown in FIG.

In addition, in the attachment table 40 according to the present embodiment, the center portion of the winding shaft 4 when placed on the pair of third placement members 57 and the pair of fourth placement members wound in a spiral shape The third mounting member 57 and the fourth mounting member 58 are arranged in respective cylinders so that the centers of the shutter curtain 1 when placed on the 58 match or substantially match in the front-rear direction. It is arranged on member 44 .

Further, as shown in FIG. 7, the left and right dimension of the horizontal member 46 connecting the front ends of the cylindrical members 44 provided on the attachment base 40 is L1. is smaller than the inner width dimension L2 between the caster brackets 22A of the running wheels 22 provided on the left and right base members 21 of the carriage 20 shown in FIG. In addition, in the attachment table 40 shown in FIG. 7, of the upper end of the third mounting member 57 and the upper end of the fourth mounting member 58, the upper end of the fourth mounting member 58 has a larger amount of upward protrusion. and the bottom surface of the cylindrical member 44 is H1. 4 and the upper end of the connecting member 24 is smaller than the vertical dimension H2. Dimension H1 is the portion of the shutter curtain 1 that reaches below the lower end portion 4B of the winding shaft 4 in FIG. This dimension is smaller than the vertical dimension H3 between the lower end portion 1D of the shutter curtain 1 and the upper end of the connecting member 24. As shown in FIG.

Next, a description will be given of the work performed to receive the winding shaft 4 between the two brackets 3 shown in FIG.

In FIG. 9, in order to receive the winding shaft 4 placed on the first mounting member 31 of the carrier 20 with the two brackets 3, the carrier 20, the attachment stand 40, and the forklift vehicle are shown. 60 are arranged side by side on the floor 11 of the building where the shutter device is installed. ing. A fork 61 of the forklift vehicle 60 moves up and down along a guide member 63 by driving means such as a cylinder and a chain. The fork 61 is L-shaped or substantially L-shaped and includes a vertically extending portion 61A extending in the vertical direction and a forward extending portion 61C extending forward from the lower end of the vertically extending portion 61A via a connecting portion 61B. shape.

In FIG. 10, by lowering the fork 61 and advancing the forklift vehicle 60, the forward extending portion 61C of the fork 61 is inserted into the cylindrical member 44 of the attachment base 40 placed on the floor 11, This shows the state when the attachment base 40 is set on the fork 61, and FIG. 11 is a plan view at this time.

12 shows an enlarged view of the relationship between the tubular member 44 and the fork 61 at this time, with FIG. 12(A) being a plan view and FIG. 12(B) being a side view. A notch portion 44C for fitting the vertically extending portion 61A of the fork 61 is formed on the upper surface of the rear end of each cylindrical member 44, and the rear end of each cylindrical member 44 is formed at the rear end. A slip-out preventing means 64 is provided to block a part of the opening 44D. This slip-out prevention means 64 comprises a bolt 65 with which the shaft portion 65A crosses the opening 44D, and a nut 66 screwed onto the end portion of the shaft portion 65A outside the tubular member 44. The portion 65A closes a part of the opening 44D on the rear side of the connecting portion 61B that connects the vertically extending portion 61A and the forward extending portion 61C of the fork 61 in a curved manner inside the cylindrical member 44. I'm in.

For this reason, after the attachment base 40 is set on the fork 61 , when the escape prevention means 64 consisting of the bolt 65 and the nut 66 is set on the tubular member 44 , the tubular member 44 is prevented from slipping forward from the forward extending portion 61</b>C of the fork 61 . is prevented by contacting the connecting portion 61B of the fork 61 with the shaft portion 65A of the bolt 65 of the detachment prevention means 64. Therefore, the attachment base 40 can be stably set on the fork 61 while preventing it from falling off. can be done. Further, since the escape prevention means 64 is composed of the bolt 65 and the nut 66 that can be separated from the cylindrical member 44 , by separating the bolt 65 and the nut 66 from the cylindrical member 44 , the attachment base 40 can be attached to the fork 61 . It is also possible to remove from

In FIG. 13, after the forks 61 of the forklift vehicle 60 on which the attachment table 40 is set as described above are slightly raised, the forklift vehicle 60 is moved forward toward the carriage 20, or as shown in FIG. 4 is moved forward toward the attachment table 40 by the operator using the handle member 33, the two cylindrical members 44 on the left and right sides of the attachment table 40 are moved by the carriage. 20 is inserted under the winding shaft 4 mounted on the first mounting member 31 of 20, and this insertion operation is carried out on the carriage 20 to mount the winding shaft 4. This is performed until the positions of the pair of first mounting members 31 provided and the positions of the pair of third mounting members 57 provided on the attachment table 40 match. 14 is a cross-sectional view taken along line S14-S14 of FIG. 13. FIG. As described above, the dimension L1 in FIG. 7 is smaller than the dimension L2 in FIG. 44 can be inserted between two base members 21 provided on the left and right sides of the carriage 20 .

Since the dimension H1 in FIG. 7 is smaller than the dimensions H2 and H3 in FIG. Below the lower end portion 4B of the winding shaft 4 placed on the provided first placing member 31 and above the connecting member 24 connecting the two base members 21 of the carriage 20 , the above-described insertion work can be performed by intruding. Furthermore, as shown in FIG. 14 , two first mounting members are provided on each of the two base members 21 of the carriage 20 and are spaced apart in the axial direction of the winding shaft 4 . The interval between the members 31 is greater than the interval between the two third mounting members 57 provided on each of the two cylindrical members 44 of the attachment table 40 and spaced apart in the axial direction of the winding shaft 4 . Since it is large, the insertion work described above can be performed by inserting the two third mounting members 57 of the attachment table 40 between the two first mounting members 31 of the carriage 20 .

FIG. 15 shows a state in which the fork 61 of the forklift vehicle 60 is lifted to lift the attachment table 40 after the insertion work described above is performed. By this lifting operation, the winding shaft 4 placed on the first placement member 31 of the carriage 20 is transferred to the third placement member 57 of the attachment table 40 . Therefore, in the present embodiment, the carriage 20 serves as a transfer table for transferring the winding shaft 4 to the attachment table 40 , and the attachment table 40 is used for receiving the winding shaft 4 from the carriage 20 . It serves as a receiving table.

A fork 61 for lifting the attachment table 40 in order to transfer the winding shaft 4 placed on the first placing member 31 of the carrier 20 to the third placing member 57 of the attachment table 40 is provided. The forklift vehicle 60 provided with is a lift device in this embodiment.

After performing the above operations, the forklift vehicle 60 is driven to the installation site of the shutter device, and as shown in FIG. By doing so, the winding shaft 4 placed on the attachment table 40 is placed at a position lower than the height position of the two brackets 3 arranged on the left and right sides of the frame 8 that is the immovable member of the building shown in FIG. lift up to In FIG. 16, the forklift vehicle 60 is indicated by a two-dot chain line.

By the time the winding shaft 4 placed on the attachment base 40 is lifted up to a position lower than the height of the two brackets 3, the forklift vehicle 60 is omitted from FIG. As shown in FIG. 17, which is a side view, and FIG. 18, which is a rear view of FIG. The winding shaft 4 placed on the body can be suspended and supported. In the present embodiment, the hanging support is provided by attaching the lower part of each of the wires 51 extending downward from the pulley 47 on the front side of the two pulleys 47 and 48 provided on the attachment base 40 to the winding shaft 4 . A hook member 52 attached to the lower end of the wire 51 is engaged with the wire 51 on the upper side of the winding shaft 4 . 13, the fork 61 of the forklift vehicle 60 is lifted so that the winding shaft 4 is received from the first mounting member 31 of the carrier 20 to the third mounting member 57 of the attachment table 40. This can be done by stopping the lifting of the forks 61 immediately after being handed over, so that the worker can do this work at a low position without using lifting tools such as ladders and stepladders.

Next, the operator operates the transmitter described above to drive the driving device 55 provided for each wire 51 to rotate the take-up reel 54 provided for each wire 51 forward. By winding the wire 51 on these winding reels 54, the winding shaft 4 is lifted from the third mounting member 57 by the wire 51 and supported. As shown in FIGS. 19 to 21, the height positions for lifting and supporting the winding shaft 4 are set on the frame 8 which is a stationary member of the building to receive the winding shaft 4. After reaching the same height position or substantially the same height position as the provided bracket 3, forward rotation of each take-up reel 54 is stopped by operating the transmitter. After that, the forklift vehicle 60 is moved forward, or the operator pushes the winding shaft 4 suspended and supported by the wire 51 so that the above-described ends of the winding shaft 4 provided at both axial ends of the winding shaft 4 are moved forward. are inserted into the recesses 3A formed in the respective brackets 3, so that both ends of the winding shaft 4 in the axial direction are spaced apart from each other in the axial direction of the winding shaft 4. It is received by two brackets 3 arranged.

Next, the bearing members 12 arranged on the respective neck portions 4A are fixed to the respective brackets 3 with screws or the like, whereby the winding shaft 4 is rotatably supported by the two brackets 3. .

In order to rotatably support the winding shaft 4 by the two brackets 3, two necks 4A provided at both ends of the winding shaft 4 in the axial direction are inserted into recesses of the two brackets 3. For this reason, the winding shaft 4 is lifted and supported by the wire 51 so that the height position of each neck portion 4A coincides with the height position of the concave portion 3A of each bracket 3 or approximately It is necessary to do this until they match. For this reason, in the present embodiment, two wires 51 arranged on both left and right sides of the three wires 51 lift and support two points apart from each other in the axial direction of the winding shaft 4 . , these wires 51 can be raised and lowered individually by individually rotating the winding reels 54 forward and backward by operating the transmitter described above by the operator. By individually raising and lowering the two necks 4A of the take-up shaft 4, even if the take-up shaft 4 is curved downward due to its own weight or the like, the height positions of the necks 4A of the take-up shaft 4 can be adjusted. The height positions of the recesses 3A of the respective brackets 3 can be exactly matched or substantially matched.

In the above description, the winding shaft 4 is lifted and supported by the three wires 51 provided on the attachment base 40 in the left-right direction. you can go

In the embodiment described above, two brackets 3 are arranged to support the winding shaft 4 transferred from the first mounting member 31 of the carriage 20 to the third mounting member 57 of the attachment table 40. The operation of lifting the building to a high place is the first lifting for lifting the winding shaft 4 placed on the attachment base 40 to a position lower than the arrangement position of the bracket 3 by raising the fork 61 of the forklift vehicle 60. It includes a work step and a second lifting work step for lifting the winding shaft 4 to the place where the bracket 3 is arranged by the wire 51 arranged on the attachment table 40 after this.

Further, in the present embodiment, the above-described first lifting work process is performed by raising the forks 61 of the forklift vehicle 60 on which the attachment table 40 is set. Also, the wire 51 arranged on the attachment table 40 suspends the winding shaft 4 to the height where the two brackets 3 are arranged, and lifts and supports it. Therefore, the wire 51, a take-up reel 54 for winding and unwinding the wire 51, a driving device 55 for rotating the take-up reel 54 forward and backward, and the like are provided on the attachment table 40. A second lifting means is provided for performing a second lifting operation step. The wire 51 constitutes a part of the second lifting means, serves as a support member for lifting and supporting the winding shaft 4, and also serves as a string-like member.

In the above-described embodiment, the above-described first lifting work process is work for raising the forks 61 of the forklift vehicle 60, so the second lifting work process is performed by winding the wire 51 with the take-up reel 54. Although this is a work with lower precision than the second lifting work process, it is a work that can be performed at a higher speed than the second lifting work process. In addition, although the second lifting process is performed at a lower speed than the first lifting process, by controlling the amount of vertical movement of the wire 51 by the take-up reel 54, the lifting accuracy is higher than that of the first lifting process. It is a work that can be carried out in Therefore, according to this embodiment, the work of lifting the winding shaft 4, which is located at a high place in the structure, can be performed quickly and accurately, and the work can be facilitated.

Further, the wire 51 arranged on the attachment table 40 as the support member or the string-like member described above supports at least two points apart in the axial direction of the winding shaft 4 in this embodiment. Since these wires 51 can be lifted and lowered individually by using the wires 51, as described above, by individually lifting and lowering two locations apart from each other in the axial direction of the winding shaft 4, the winding shaft can be moved up and down. 4 is bent downward due to its own weight or the like, the height positions of the necks 4A provided at both ends in the axial direction of the winding shaft 4 can be individually adjusted. The work of matching or substantially matching the height position of 4A with the height position of recess 3A of each bracket 3 can be performed more accurately and easily.

Next, the work for connecting the upper end of the shutter curtain 1 to the winding shaft 4 received by the two brackets 3 as described above will be described.

FIG. 22 shows the initial work for transferring the shutter curtain 1 from the second mounting member 32 of the carriage 20 to the fourth mounting member 58 of the attachment base 40 in order to perform this work. there is In this work, the cylindrical member 44 of the attachment base 40 set on the fork 61 of the forklift vehicle 60 is placed on the second mounting member 32 of the carriage 20 in the same manner as the winding shaft 4 shown in FIG. This is the operation of inserting the shutter curtain 1 mounted in a spiral shape under the shutter curtain 1. This insertion operation depends on the positions of the pair of second mounting members 32 provided on the carriage 20 and the attachment. This is performed until the positions of the pair of fourth mounting members 58 provided on the table 40 match.

At this time, as described above, the dimension H1 in FIG. 7 is smaller than the dimension H3 in FIG. By inserting the cylindrical member 44 of the attachment table 40 above the connecting member 24 connecting the two base members 21 of the carriage 20, the insertion work described above can be performed.

Next, as shown in FIG. 23, the forks 61 of the forklift vehicle 60 are lifted to lift the attachment base 40, thereby placing it on the second mounting member 32 of the carriage 20. The work for transferring the shutter curtain 1 that has been held to the fourth mounting member 58 of the attachment table 40 is performed. After that, the forklift vehicle 60 is driven to the installation site of the shutter device, and the fork 61 is raised so that, as can be seen from FIG. The attachment base 40 is lifted to a position where the height position of the shutter curtain 1 placed on the bracket 3 is lower than the height position of the winding shaft 4 supported by the two brackets 3.

Next, the operator hooks the hook member 52 provided at the tip of the wire 51 to the upper end of the shutter curtain 1 . 25, the hook member 52 is inserted into the hole 68 of the hanging member 1B provided at the upper end of the shutter curtain 1 in order to connect the upper end of the shutter curtain 1 to the winding shaft 4. A hole 68 is a bolt hole into which a bolt for connecting the hanging member 1B of the shutter curtain 1 to the winding shaft 4 is inserted. A plurality of suspension members 1B are provided in the lateral direction, which is the axial direction of the spirally wound shutter curtain 1. A plurality of holes 68 with different depth positions are formed in a left-right direction. As a result, when the shutter curtain 1 is wound up by the winding shaft 4, the hole 68 is selected so that the shutter curtain 1 can be wound up by the winding shaft 4 without shifting laterally, and the bolt is inserted into the hanging member. 1B can be connected to the winding shaft 4.

In this embodiment, of the suspension members 1B shown in FIG. 25, which are provided in the left-right direction, three suspension members are provided in the attachment base 40 in the left-right direction in the holes 68 of the suspension member 1B at the center in the left-right direction. The hook member 52 of the wire 51 at the center in the left-right direction is inserted into the hook member 52 of the wire 51 located at the center in the left-right direction. Among them, it is inserted into the hole 68 in the central portion in the left-right direction. Thus, as will be described later, when the upper end of the shutter curtain 1 is pulled up by pulling up the single wire 51 at the central portion in the horizontal direction, the entire upper end can be pulled up uniformly.

After performing the above work, the operator operates the above-described transmitter to remove only one wire 51 at the center in the left-right direction of the three wires 51 provided in the left-right direction. The take-up reel 54 arranged on the attachment table 40 for 51 is rotated forward by the driving device 55 to take up, and as a result, as shown in FIGS. The upper end of the shutter curtain 1 is lifted up by the wire 51 which is formed so that the height position of the upper end is the same or substantially the same as the height position of the winding shaft 4 supported by the two brackets 3 . do. Next, the operator pulls out the hook member 52 from the hole 68 and couples each hanger member 1B to the winding shaft 4 with the bolts described above, as shown in FIG.

Next, the operator rotates the take-up shaft 4 rotatably supported by the two brackets 3 in the forward direction, thereby removing the shutter spirally wound around the fourth mounting member 58 of the attachment base 40 . From the curtain 1, the slats 1C connected under the suspension member 1B to form the shutter curtain 1 are drawn out, and the slats 1C are wound up by the winding shaft 4. - 特許庁The state during this operation is shown in FIG. At this time, the spirally wound shutter curtain 1 rotates on the fourth mounting member 58, and as described above, the fourth mounting member 58 is a rotatable rotating member. Therefore, the shutter curtain 1 can be smoothly rotated on the fourth mounting member 58, so that the work of winding up each slat 1C with the winding shaft 4 can be performed more reliably.

By this time, if the operation of attaching the switch 5 and the driving force transmission device 6 shown in FIG. 1 for rotating the winding shaft 4 to one of the two brackets 3 is completed, The opening/closing device 5 and the driving force transmission device 6 may be used to rotate the winding shaft 4 in the forward direction so as to wind the slats 1C of the shutter curtain.

After the work of winding the entire shutter curtain 1 by the winding shaft 4 is completed, the work of attaching the left and right guide rails 2 shown in FIG. do the work. Next, the take-up shaft 4 is reversely rotated by the opening/closing device 5, the driving force transmission device 6, and the like, so that both ends in the width direction of the shutter curtain 1 drawn out from the take-up shaft 4 are moved inside the left and right guide rails 2. , and the shutter curtain 1 is lowered. When this work is completed, the shutter device is ready to open and close the doorway 10 shown in FIG.

In the above embodiment, the wire 51 at the center in the left-right direction is a string-like member suspended from above the shutter curtain 1 placed on the fourth placement member 58 of the attachment base 40, and also serves as a shutter. It also serves as a lifting member for lifting the upper end of the curtain 1 . The attachment table 40 on which the wire 51 serving as a lifting member is arranged also serves as a lifting device in this embodiment.

According to the present embodiment described above, the shutter curtain 1 whose upper end is coupled to the winding shaft 4 rotatably supported by the two brackets 3 is prepared in advance at the factory by opening and closing all or substantially all of the entrances 10. Therefore, at the installation site of the shutter device, after the suspension member 1B is connected to the winding shaft 4 with bolts, the shutter curtain 1 having such a size can be installed. A winding operation can be carried out by means of the winding shaft 4 .

In other words, the shutter curtain 1 according to the present embodiment is formed in advance in a factory to a size that can open and close all or substantially all of the entrances 10. Therefore, at the installation site of the shutter device, the shutter curtain 1 When a hanging member 1B provided at the upper end of the shutter curtain 1 is connected to the winding shaft 4 with a bolt, the upper end of the shutter curtain 1 is connected to the winding shaft 4 and can be wound around the winding shaft 4. can be easily formed in a short time at the installation site of the shutter device.

For this reason, according to the present embodiment, regarding the shutter curtain 1, which is mostly formed by connecting a large number of slats 1C, the suspension member 1B is connected to the winding shaft 4 with bolts at the installation site of the shutter device. These slats 1C are later connected to form the shutter curtain 1 by rotatably engaging the curled portions formed at the upper and lower ends of the slats 1C. It is possible to omit the work of sequentially sliding the shutter 1C from the lateral direction, and therefore the work of forming the shutter curtain 1 wound around the winding shaft 4 can be easily performed at the installation site of the shutter device.

Further, according to this embodiment, the ends of the wires 51, which are the string-like member and the lifting member, are inserted into the holes 68 of the hanging member 1B provided at the upper end of the shutter curtain 1. Since the hook member 52 is provided for hooking the upper end of the shutter curtain 1 and pulling it up, the operation of pulling up the upper end of the shutter curtain 1 to connect the upper end of the shutter curtain 1 to the take-up shaft 4 is performed by the take-up shaft 4 as the shutter. In order to connect the upper end of the curtain 1, the hanger member 1B provided at the upper end can be used. Further, since the hole 68 for hooking the hook member 52 is a bolt hole for inserting a bolt that connects the hanging member 1B to the winding shaft 4, the bolt hole is used to pull up the shutter curtain 1 by the wire 51. work can be done.

Furthermore, in this embodiment, before the operation of pulling up the upper end of the shutter curtain 1 by the hook member 52 of the wire 51, the attachment base 40 and the shutter mounted on the fourth mounting member 58 of the attachment base 40 are mounted. The curtain 1 is lifted at a high speed by the forks 61 of the forklift vehicle 60, which is the aforementioned lifting device, to a position slightly lower than the height position of the winding shaft 4 supported by the two brackets 3. Therefore, the wire 51 provided as a lifting member on the attachment table 40, which is a lifting device, raises the upper end of the shutter curtain 1 to the same or approximately the height position of the winding shaft 4. The work for pulling it up to the same height position can be done in a short time, thereby shortening the overall work time until the upper end of the shutter curtain 1 is connected to the winding shaft 4, and improving the work efficiency. can.

Further, in this embodiment, the fork 61 of the forklift vehicle 60 separates the attachment table 40 and the shutter curtain 1 mounted on the fourth mounting member 58 of the attachment table 40 in a spiral manner. After being lifted at high speed to a position slightly lower than the height position of the winding shaft 4 received by the brackets 3, the hook member 52 of the wire 51 is hooked to the hole 68 of the suspension member 1B to form the shutter curtain. Since the upper end of the shutter curtain 1 is lifted up while unwinding the shutter curtain 1 wound spirally on the attachment base 40, the upper end of the shutter curtain 1 can be smoothly lifted. .

Further, the shutter curtain 1 wound in a spiral on the attachment base 40 is mounted on the fourth mounting member 58 rotatably provided on the attachment base 40. When the operation of lifting the upper end of the shutter curtain 1 by the hook member 52 of the wire 51 and the operation of winding the shutter curtain 1 by the winding shaft 4, which is performed by rotating the winding shaft 4 forward after this lifting operation, are performed. By rotating the fourth mounting member 58, the spirally wound shutter curtain 1 is smoothly unwound. In addition, the operation of winding the shutter curtain 1 by the winding shaft 4, which is performed by the forward rotation of the winding shaft 4, can be smoothly performed.

In the embodiment described above, the upper end of the shutter curtain 1 is connected to the take-up shaft 4 by one of the three wires 51 provided in the left-right direction on the attachment base 40, by the one wire 51 in the center in the left-right direction. Therefore, the work for pulling up the upper end of the shutter curtain 1 is carried out, but the work for pulling up the upper end of the shutter curtain 1 using three wires 51 may be carried out.

1 forming the lower end of the shutter curtain 1, the left and right ends of the seat plate 1A are not inserted into the left and right guide rails 2. Therefore, it is assumed that the shutter curtain 1 which is formed in advance at the factory does not include the seat plate 1A. After lowering the shutter curtain 1 by slidably inserting both ends in the width direction thereof into the left and right guide rails 2, the operation of connecting the seat plate 1A to the lower end of the shutter curtain 1 may be performed. .

According to this, unlike the slat 1C, the seat plate 1A is a constituent member of the shutter curtain 1 having a large thickness dimension of the shutter curtain 1. Therefore, when the shutter curtain 1 is spirally wound, the winding operation can be easily performed by reducing the diameter of the shutter curtain 1. - 特許庁

Hooking the hook member 52 of the wire 51 on the upper end of the shutter curtain 1 can be accomplished by, for example, a hole provided in the uppermost slat 1C among the many slats 1C that are connected to form the shutter curtain 1, or It may be carried out by hooking on a locking portion such as a projection. However, by hooking the hook member 52 to the hole 68 formed as a bolt hole in the hanger member 1B provided at the upper end of the shutter curtain 1 as described above, the above effects can be obtained.

26 and 27, the shutter curtain 1 pulled up by the hook member 52 of the wire 51 and connected to the winding shaft 4 at its upper end rotates clockwise on the fourth mounting member 58 of the attachment table 40. , the direction of rotation may be reversed.

FIG. 28 shows the construction material placed on the second placing member 32 of the carriage 20, the winding shaft 4, and the shutter curtain wound around the winding shaft 4 with the upper end coupled to the winding shaft 4. FIG. 1 and therefore the building material in this embodiment is the combination 70 of the winding shaft 4 and the shutter curtain 1 . In this embodiment as well, after performing the same work as the work shown in FIG. 22 showing the case of the shutter curtain 1, the fork 61 of the forklift vehicle 60 is lifted, and as shown in FIG. 70 can be transferred from the second mounting member 32 of the carriage 20 to the fourth mounting member 58 of the attachment table 40 .

FIG. 30 shows a state in which the combined body 70 is suspended and supported by each of the three wires 51 provided on the attachment base 40, as in the case of the winding shaft 4 shown in FIGS. . In this embodiment, as in the case of the winding shaft 4, it is necessary to accurately receive the neck portions 4A provided at both ends of the winding shaft 4 in the axial direction with the two brackets 3. Therefore, among the three wires 51, two wires 51 that support two locations on the left and right sides of the combined body 70 apart from each other in the axial direction of the winding shaft 4 are removed by the operator operating the transmitter described above. By rotating the winding reel 54 for these wires 51 in forward and reverse directions individually by means of , the height position of each neck 4A can be more accurately matched or substantially matched with the height position of the recess 3A of each bracket 3. As shown in FIG.

In addition, in the combined body 70 of the winding shaft 4 and the shutter curtain 1 according to this embodiment as well, in order to lift the combined body 70, the combined body 70 is supported by hanging from the three wires 51. It may be performed using only the two wires 51 on both the left and right sides.

FIG. 31 shows another embodiment of suspending and supporting the combination 70 of the winding shaft 4 and the shutter curtain 1 by a wire 51 for lifting. In this embodiment as well, of the two front and rear pulleys 47 and 48 provided on the attachment base 40, the lower portion of the wire 51 extending downward from the front pulley 47 is placed on the fourth mounting member 58. The hook member 52 attached to the lower end of the wire 51 is attached to the holding member 49' that rotatably holds the two pulleys 47 and 48 on the front side. It is locked by a locking member 71 such as a pin provided further forward than the pulley 47 .

In this embodiment as well, the wire 51 can suspend and support the combined body 70, and the wire 51 can lift the combined body 70 by forward rotation of the take-up reel 54 for winding and feeding out the wire 51. Also, by reverse rotation of the take-up reel 54 , the combined body 70 can be lowered while the wire 51 is supporting the combined body 70 .

Such suspension support by the wire 51 can be implemented not only for the combined body 70 but also for the winding shaft 4, and can also be implemented for the shutter curtain 1 that is spirally wound.

INDUSTRIAL APPLICABILITY The present invention can be used for the operation of connecting the upper end of the shutter curtain of the shutter device to the winding shaft for winding the shutter curtain so that it can be extended.

REFERENCE SIGNS LIST 1 shutter curtain 4 winding shaft 10 doorway which is an opening 20 carrier 21 base member 22 running wheel 31 first mounting member 31A upper surface of first mounting member 32 second mounting member 32A upper surface of second mounting member 33 Handle member 34 Elongated member

Claims (16)

A carriage on which the building material can be placed for transporting the building material,
The building material includes a winding shaft for winding a shutter curtain that opens and closes an opening formed in a structure so that it can be unrolled, the shutter curtain wound in a spiral shape, the winding shaft, and the winding shaft. Three types of building materials, including the combined body of the shutter curtain whose upper end is coupled to the winding shaft and wound around the winding shaft,
The three types of building materials can be selectively placed ,
It is characterized by comprising a first mounting member for mounting the winding shaft and a second mounting member for mounting the spirally wound shutter curtain. A carrier for building materials. 2. The carriage for building materials according to claim 1, wherein the first mounting member and the second mounting member are arranged such that the winding shaft and the spirally wound shutter curtain are parallel to each other. A carriage for building materials, characterized in that it is designed to be placed. 3. The carrier for building materials according to claim 1 , wherein said combined body is placed on said second placing member. 4. The building material carrier according to any one of claims 1 to 3 , wherein a plurality of said first placement members and said second placement members are provided separately in the longitudinal direction of said building material. A carriage for building materials, characterized by: 5. The carrier for building materials according to claim 4, wherein a plurality of said first mounting members and said second mounting members are provided separately in the length direction of said building material. A carriage for building materials, characterized in that the interval can be changed and adjusted. The construction material carrier according to any one of claims 1 to 3 , further comprising two base members arranged in the lateral direction, which is the width direction of the shutter curtain, and the upper surfaces of these base members are provided with the A carriage for building materials, characterized in that the first placement member and the second placement member are arranged. 7. The carrier for building materials according to claim 6, wherein running wheels are provided on the lower surfaces of said two base members. 8. The carrier for building materials according to claim 6, wherein the interval between said two base members can be changed and adjusted. 9. The construction material carrier according to claim 8, wherein a connecting member is bridged between the two base members, and the base member can be connected to and released from the connecting member. , wherein the distance between the two base members can be changed and adjusted by releasing the connection of the base members to the connecting member. 10. The carrier for building materials according to claim 1 , wherein each of said first mounting member and said second mounting member is a pair of members facing each other. transport trolley. 11. The carrier for building materials according to claim 10, wherein the spacing between the pair of first mounting members is smaller than the spacing between the pair of second mounting members. trolley. 12. The carrier for building materials according to claim 10 or 11 , wherein the upper surfaces of the pair of members are slanted downward in a direction toward each other. 13. The carrier for building materials according to any one of claims 1 to 12 , characterized in that it is provided with a handle member to be put on by an operator so that the carrier travels. 14. The carrier for building materials according to claim 13 , wherein said handle member is detachably provided. 15. The carriage for building materials according to claim 14 , further comprising an elongated member, wherein the handle member is detachably provided by inserting the handle member into the elongated member. A carriage for building materials. 16. The carrier for building materials according to claim 15, wherein a plurality of said elongated members are provided outside said first placement member and said second placement member. .

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