JP2016211171A - Fitting method for shaft bearing plate of heavy shutter device of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fit and fix right and left shaft bearing plates 16, 17 of a shutter curtain device 1 with a screw without welding, the shaft bearing plates having a shutter curtain 6 wound thereon.SOLUTION: A method for fitting and fixing a fixture 15 for fixing shaft bearing plates 16, 17 onto a building frame side includes: a first step in which right and left muntins 9 are fitted on the building frame side with an anchor bolt 10b; a second step in which top and bottom crosspieces 11, 12 are screwed and fixed between the right and left muntins 9 that have been fitted, using a bolt-nut 10d; a third step in which a shaft bearing fitting plate 14 is screwed and fixed on a front surface over the right and left muntins 9 and the top and bottom crosspieces 11, 12 that have been fitted, using a drill screw 14b and a bolt-nut 14a; and a fourth step in which the fixture 15 for fixing the shaft bearing plates is screwed and fixed on the shaft bearing fitting plate 14 that has been fitted, using a bolt-nut 15b and together with the muntins 9 and the shaft bearing fitting plate 14.SELECTED DRAWING: Figure 15

Description

  The present invention relates to a technical field of a mounting method of a bearing plate in an architectural weight shutter device to be built at a doorway of a building such as a building.

Today, a heavy shutter device for construction is sometimes installed in an opening such as a doorway of a building, and such a heavy shutter device is generally provided with a winding drum around which a shutter curtain is wound on the ceiling side. The shaft is rotatably supported on the left and right bearing plates (brackets), and the opening is opened and closed by a lifting operation guided by the guide rail of the shutter curtain accompanying forward and reverse rotation of the winding drum.
In such a thing, it is common that the left and right bearing plates are fixed to the frame side by welding, but not only the workability is inferior because the welding work at a high place is forced at the site. For example, at sites where walls, floors, ceilings, etc. are already finished, or at existing sites, there are places that dislike the occurrence of sparks or flames (torch) at the time of welding, and there is no sparks at such sites. There is a problem that the work of covering the surroundings is forced. In addition, when there is no commercial power source for welding, there is a problem that a power source must be secured by preparing a generator or the like.
Therefore, after preparing a take-up drum in which a shutter curtain is built in a factory in advance and transporting it to the site, the right and left bearing plates, to which the bearing mounting plate is bolted, are installed on the spindle of the take-up drum. After that, there is known one that is lifted and bolted to the housing frame side (see, for example, Patent Document 1).

Japanese Patent No. 5112970

However, the take-up drum in which the shutter curtain is incorporated as in the above-mentioned Patent Document 1 is heavy, so that it is necessary to work with an elevator such as a crane for loading and unloading on a truck bed and lifting to a ceiling part. The workability is poor, and this kind of work is performed when assembling the shutter curtain, at the assembly site of the heavy shutter device, a plurality of slats connected to the lowermost slat of the slats already assembled on the take-up drum side. This is not normally performed when a wide assembly space can be secured on the left and right, as in the case where the slat is assembled by sliding the uppermost slat in the left-right direction.
If a wide space can be secured in the left-right direction where the shutter curtain can be assembled at the heavy shutter assembly site, the take-up drum is a single product, and the shutter curtain is connected by a number that can be lifted and transported by the operator. In this case, it is easy to load and unload to the truck bed and lift the take-up drum to the ceiling side. There is a problem to be solved, and here is a problem to be solved by the present invention.

The present invention has been created in view of the above circumstances and has been created for the purpose of solving these problems. The invention of claim 1 is directed to left and right bearing plates attached to the left and right of an opening such as an entrance. An architecture in which the winding drum around which the shutter curtain is wound is rotatably supported, and the opening and closing of the opening is performed by moving the shutter curtain up and down on the guide rail as the winding drum rotates forward and backward. In the heavy-duty shutter device, a mounting method for mounting the left and right bearing plates on the housing side, the first step of attaching the left and right vertical rails on the housing side, and the upper and lower horizontal rails between the mounted left and right vertical rails A second step of fixing the crosspiece, a third step of screwing a bearing mounting plate to the front of the attached left and right vertical crosspieces and the upper and lower horizontal crosspieces, and the attached bearing mounting plate A mounting method of the bearing plates in building wt shutter device characterized by comprising by a fourth step of screws fixing the bearing plate.
The invention according to claim 2 is characterized in that the bearing mounting plate is temporarily fixed to the horizontal beam by screws and then fixed to the vertical beam by screws. It is.
According to a third aspect of the present invention, the left and right bearing plates are connected to the bearing mounting plate with one piece of an L-shaped bearing fixing bracket in which the other pieces are fixed to the left and right bearing plates in advance, and are inserted through screws inserted from the vertical beam side. 3. The method for mounting a bearing plate in a building heavy-duty shutter device according to claim 1 or 2, wherein the vertical beam and the bearing mounting plate are screwed.
The invention according to claim 4 is characterized in that a spacer for adjusting the attitude of the bearing plate is interposed between the bearing mounting plate and the vertical beam. 2. A mounting method of a bearing plate in the building heavy shutter device according to 1.
In the invention of claim 5, the left and right vertical rails have L-shapes in which a pair of C-shaped steels are butted against each other and the upper and lower ends of the C-shaped steel standing upright are inserted from the left and right openings. The building according to any one of claims 1 to 4, wherein each piece of the pair of fixtures is fixed to the housing side with an anchor bolt and screwed with each other piece sandwiching the straddle from the left and right. It is the attachment method of the bearing plate in the heavy duty shutter device.
According to a sixth aspect of the present invention, the upper and lower horizontal rails are made of at least one C-shaped steel, and a piece of L-shaped fixture is fixed to the vertical beam straddle in a state of being inserted from the inner side opening of the vertical beam. 6. The method of attaching a bearing plate in a heavy shutter device for building according to claim 5, wherein the other piece is screwed to the crossing portion of the horizontal rail.
The invention according to claim 7 is characterized in that a steady rest for preventing the rolling of the bearing plate is screwed in an inclined manner between the front upper edge of the left and right bearing plates and the cross rail. Item 7. A method for mounting a bearing plate in a building heavy shutter device according to any one of Items 1 to 6.

According to the first aspect of the present invention, the left and right bearing plates that support the winding drum are securely attached by screw fixing at the site, so that the bearing plate is securely assembled even at the site where welding work is disliked. be able to.
According to the invention of claim 2, the mounting and fixing of the bearing mounting plate to the vertical and horizontal rails can be easily performed including temporary fixing with screws without using welding, thereby improving workability.
According to the third aspect of the present invention, the mounting and fixing of the bearing plate to the bearing mounting plate via the bearing fixing bracket can be easily performed by screw fixing without using welding.
According to the invention of claim 4, the attitude of the bearing plate can be easily adjusted, and the mounting accuracy can be improved.
According to the invention of claim 5, the fixing of the left and right vertical rails to the housing side can be easily performed by screw fixing without using welding.
According to the invention of claim 6, the upper and lower horizontal rails can be easily fixed to the vertical rail by screw fixing without using welding.
According to the seventh aspect of the present invention, the left and right bearing plates can be reliably prevented from being steady, and the mounting accuracy can be improved.

It is a partially cutaway front view of the heavy weight shutter apparatus for construction. It is side surface sectional drawing of the heavy shutter apparatus for construction. It is a top view of the heavy-duty shutter apparatus for construction. It is a longitudinal cross-sectional side view of a ceiling accommodation site | part. It is a front view of an attachment base part. It is an enlarged plan view of an attachment base part. (A) and (B) are the front views and side views of a bearing mounting plate. (A), (B) is the front view and top view of a bearing fixing metal fitting. (A), (B) is the front view and side view of a spacer for bearing fall adjustment. It is a side view of a driven side bearing plate. (A), (B), (C) is the front view of a driven side bearing plate, a top view, and a bottom view. It is a side view of a drive side bearing plate. (A), (B) is the longitudinal cross-sectional view of a drive side bearing plate, and the side view of a joint boss | hub part. It is an enlarged plan view of the upper end part of a driven side bearing plate. It is an enlarged front view of the attachment site | part of a driven side bearing plate. It is an expanded vertical cross-section side view of an outer masser attachment site. (A), (B), (C) is a front view, a side view, and a bottom view of the outer magsa. (A), (B) is the front view and side view of an outer magsa mounting bracket. (A), (B), (C) is a side view, a front view, and a bottom view of an outer magsa reinforcing metal fitting. It is a principal part expansion longitudinal cross-section side view of the outer massa attachment site | part which shows 2nd embodiment. It is an expanded vertical cross-section side view of an inner massa attachment site. (A), (B) is the side view which shows the assembly state (factory shipment state) of the inner massa, and the side view of an inner masser receiving material. (A), (B) is the top view and front view which show the assembly state of the inner massa which removed the smoother. (A), (B) is the top view and front view of the state which removed the smoother of the inner masser receiving material. (A), (B), (C) is a side view, a front view, and a bottom view of the inner magsa lower material. (A), (B), (C) is a side view, a plan view, and a front view of the inner magsa upper material. It is an expanded vertical cross-section side view which shows the upper end part of the guide rail integrated in the massa space. It is a horizontal sectional view showing the state where a guide rail is incorporated. (A), (B), (C) is the front view, side view, and exploded plan view of a guide rail. It is a front view which shows the state in which the upper end part of the guide rail was integrated in the magnet. It is a horizontal sectional view showing the state where the guide rail of the second embodiment is incorporated. (A), (B) is the front view and side view which show the state in which the guide rail of 2nd embodiment was integrated. (A), (B), (C) is one side view of the guide rail of 2nd embodiment, the other side view, and an exploded plan view. (A), (B) is the side view of a hanging angle, and a front view. It is an enlarged vertical cross-sectional side view of a round case upper end part.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes an architectural heavy shutter device installed in an opening such as an entrance of a building, and the heavy shutter device 1 is provided on the upper side (back of the ceiling) of the ceiling plate 2 of the opening. The brackets 3 and 4, the winding drum 5 that is rotatably provided on the left and right brackets 3 and 4, the shutter curtain 6 that is wound around the winding drum 5, and the winding drum 5 are rotated forward and backward to rotate the shutter curtain 6. Conventionally, it has been configured using various member devices such as a guide rail 8 provided on the left and right sides of the opening to open and close the opening and closing machine 7 and the shutter curtain 6 to open and close. (See FIG. 1).

  9 is a vertical beam (vertical column) provided in a state extending from the lower end surface of the slab S to the upper surface of the foundation surface (a portion solidified with concrete at a position deeper than the floor surface F) G in a state of being located at both left and right positions of the opening. The vertical rail 9 is a pair of C-shaped steel bars that are long in the vertical direction, and the straddling portions 9a abut each other in a back-to-back manner (or may be integrated by welding in advance in a factory). The L-shaped first fixture 10 is arranged in a state where both left and right sides are open, and the first piece 10a is fixed to the slab S and the base surface G on which the piece 10a is the housing side via the anchor bolt 10b. A pair of left and right other pieces 10c of one fixture other piece is set in a state in which the one inserted from the left and right openings of the vertical rail 9 sandwiches the straddle portion 9a from both the left and right sides, and the bolt that penetrates the other piece 10c and the straddle portion 9a -It is fixedly supported by a nut 10d (see FIGS. 5 and 6). .

  11 is an upper horizontal beam (horizontal column), and the upper horizontal beam 11 abuts a pair of C-shaped steel straddling portions 11a in a vertical and back-to-back manner and opens between the upper and lower vertical beams 9 with both upper and lower sides opened. The L-shaped second fixing tool 11b, which is arranged, is welded to the vertical beam straddling portion 9a in advance in a state where one piece 11c is inserted from the left and right inner side opening of the vertical beam 9 (on-site). The other piece 11e is inserted from the lower opening of the upper horizontal beam 11 and applied to the upper horizontal beam straddle 11a, and the lower opening of the upper horizontal beam 11 is fixed. Are fixed to the upper horizontal crossing 11a via bolts and nuts 11f inserted from the upper side crossing 11a, whereby the upper horizontal crossing 11 is fixedly supported on the left and right vertical crossing 9 (FIGS. 5, 6, 14, 15). reference).

Reference numeral 12 denotes a lower horizontal rail, which is made of a single C-shaped steel and is disposed between the left and right vertical rails 9 with the upper side opened, and is an L-shaped third fixture. One piece 12b of 12a is inserted from the opening in the left-right direction of the vertical beam 9 and welded to the vertical beam straddling portion 9a in advance at the factory (it may be fixed with bolts and nuts in the field), and the other piece 12d is set on the lower side. It is applied to the horizontal crossing portion 12e and is fixed from below via bolts and nuts 12f, whereby the lower horizontal crossing 12 is fixedly supported on the left and right vertical crossing 9 (see FIG. 5).
In the present embodiment, the left and right vertical bars 9 and the upper horizontal bar 11 are configured using a pair of C-shaped steel materials, and the lower horizontal beam 12 is configured using a single C-shaped steel material. Is for giving the required strength, and is not particularly limited to these numbers.

  Reference numeral 13 denotes a reinforcing vertical beam, and a plurality of C-shaped steel bars are arranged between the upper and lower horizontal beams 11 and 12 at an appropriate interval in the left-right direction. One piece 13b is welded in advance to the straddling portions 11a and 12e of the upper and lower horizontal rails 11 and 12 (may be fixed with bolts and nuts), and the other piece 13c is applied to the straddling portion 13d of the reinforcing vertical rail 13 to -By fixing with the nut 13f, the reinforcing vertical beam 13 is fixedly supported by the upper and lower horizontal beams 11, 12, and is reinforced (see FIGS. 5 and 6).

Reference numeral 14 denotes a bearing mounting plate, and the bearing mounting plate 14 is made of a plate-shaped steel material whose plate surface faces in the vertical and horizontal directions, and the left and right outer edges are located at the left and right outer edges of the left and right vertical bars 9. The upper end edge is located above the position of the crossing portion 11a of the upper horizontal rail 11, the lower edge is located at the lower edge position of the lower horizontal rail 12, and the inner edge in the left-right direction is In contact with the leg pieces 9b, 9c, 11g, 12g of the vertical beam 9 and the upper and lower horizontal beams 11, 12 in a state of being located inward in the left-right direction with respect to the outer edge in the horizontal direction, the leg pieces of the upper and lower horizontal beams 11, 12 The bearing mounting plate 14 is temporarily fixed to 11g and 12g by fixing with a drill screw 14b, and then fixed to the leg piece 9b on the outer side in the horizontal direction of the vertical rail 9 with bolts and nuts 14a. It is supposed to be. In this case, the bolt of the nut-nut 14a is inserted from the opening side of the vertical rail 9 (outside in the left-right direction), and the flat washer 14d, the spring washer 14e, and the nut are assembled in this order into the screw portion that penetrates the bearing mounting plate 14. The bolts and nuts are tightened and fixed (the other bolts and nuts are also tightened in this configuration) (see FIGS. 5, 6, 7, 14, and 15).
The bearing mounting plate 14 has a hole 14f for a drill screw 14b and a hole 14g for a bolt-nut 14a.

The bearing mounting plate 14 is provided with a mounting hole 14c for mounting the bearing fixing bracket 15 at a portion corresponding to the inner leg piece 9c in the left-right direction of the vertical beam 9. As described above, the bearing mounting plate 14 14 is fixed to the vertical beam 9 and the upper and lower horizontal beams 11 and 12, and then a hole (lower hole) 9d is drilled from the attachment hole 14c to the inner leg piece 9c in the horizontal direction of the vertical beam 9 using a drill (not shown). To do. Thereafter, one piece 15a of the L-shaped bearing fixing bracket 15 in which the other piece 15f is screwed to the bearing plates 16 and 17 with bolts and nuts 15g in advance is applied to the bearing mounting plate 14, and the bolts and nuts 15b are used. The bearing fixing bracket 15, the bearing fixing plate 14, and the vertical rail left and right inner leg piece 9 c are fastened and fixed together. In this case, the bolt of the bolt-nut 15b is inserted from the left and right inner side opening of the vertical rail 9, and the plain washer 15c, the spring washer 15d, and the nut are inserted into the screw portion passing through the bearing fixing bracket 15 and fixed together. (See FIGS. 4, 5, 6, 7, and 14).
Incidentally, a spacer 15e is a spacer for adjusting the bearing posture, and the spacer 15e is located between the bearing mounting plate 14 and the vertical leg left and right outer leg piece 9b so that bearing plates 16 and 17 described later are vertical (convenient 4). In this case, the bearing plate is selected by selecting the mounting position of the four positions of the spacer 15e and the number of the mountings. The bearing plates 16 and 17 can be adjusted to a vertical posture by adjusting the postures of the front and rear directions (falling postures) 16 and 17 and the front and rear direction of the left and right end portions (FIGS. 5 and 9). 15).

Reference numeral 16 denotes a driven-side bearing plate that constitutes the left bracket 3 in the drawing. The driven-side bearing plate 16 is configured by using a substantially square-shaped rectangular flat steel plate. The upper piece 16a and the lower piece 16b are formed by bending outward in the left-right direction, and a bearing metal 16c is fixed to the central portion via a bolt 16d. The other piece 15f of the bearing fixing bracket 15 is fixed in advance with bolts and nuts 15g on the inner surface in the left-right direction of the rear end edge of the driven bearing plate 16 in the front-rear direction. Incidentally, this fixing may be previously welded at a factory.
The driven-side bearing plate 16 applies a piece 15a of the bearing fixing bracket 15 to the inner side surface in the left-right direction of the bearing mounting plate 14, and is fastened to the bearing mounting plate 14 side with the bolt-nut 15b as described above. By doing so, the driven side bearing plate 16 can be mounted and fixed (see FIGS. 4 to 6, 10, and 11).
The driven-side bearing plate 16 is formed with an assembly groove 16f for assembling and moving the support shaft 5a of the winding drum 5.

Reference numeral 17 denotes a drive-side bearing plate that constitutes the right bracket 4 in the drawing. The drive-side bearing plate 17 is configured by using a rectangular flat steel plate that is long in the front-rear direction. The upper piece 17a and the lower piece 17b are formed by bending outward in the direction, but the auxiliary plate 17c is attached to the rear half of the upper and lower pieces 17a and 17b in the front and rear direction, and there is a space. The space has a driven sprocket 17d rotatably supported by bearings 17e and 17f.
The opening / closing machine 7 is attached to the front half of the driving side bearing plate 17 in the front-rear direction, and the driving sprocket 7a and the driven sprocket 17d of the opening / closing machine 7 are interlocked and connected via a driving chain 7b.
Further, like the driven side bearing plate 16, the other piece 15f of the bearing fixing bracket 15 is fixed in advance by a bolt-nut 15g, and the one piece 15a of the bearing fixing bracket 15 is attached to the drive side bearing plate 17 by bearing. The drive-side bearing plate 17 can be mounted and fixed by being applied to the inner surface of the plate 14 in the left-right direction and fixed together on the bearing mounting plate 14 side using the bolt-nut 15b as described above. 4-6, 12, and 13).
Incidentally, an anti-skid tool 18 is provided between the bearing plate upper pieces 16a, 17a and the leg piece 11g of the upper side rail 11 so as to prevent the both bearing plates 16, 17 from shaking in the left-right direction. However, the steady rest 18 has a front end fixed to the bearing plate upper pieces 16a and 17a by bolts and nuts 18a, and an L-shaped bracket 18c fixed to the rear end via bolts and nuts 18b. 11 leg pieces 11g are fixed via a drill screw 18d (see FIGS. 3, 4 and 35).

When the both bearing plates 16 and 17 are attached to the bearing attachment plate 14 as described above, the take-up drum 5 is attached. To this end, the bearing metal 16c removed from the driven-side bearing plate 16 is attached to the take-up drum 5. The flange 5e provided at the other end of the take-up drum 5 is externally fitted to the joint boss 5b, and in this state, the support 5a is moved to the center side. Then, the take-up drum 5 is assembled by fixing the bearing metal 16c to the driven-side bearing plate 16 via the bolt 16d.
After the take-up drum 5 is assembled in this way, the shutter curtain 6 is suspended. In this case, a suspension fitting (not shown) provided at the uppermost end of the shutter curtain 6 is attached to the take-up drum 5. After assembling and fixing, among the plurality of slats 6a connected and assembled in advance to the hanging metal fitting, the uppermost slat 6a of the plurality of slats 6a connected to the lowermost slat 6a is slid in the left-right direction. After connecting in a state, repeatedly connecting the uppermost end slat 6a of the next plurality of connected slats 6a to the lowermost slat 6a of the connected slats 6a in a state of sliding in the left-right direction, Finally, the shutter curtain 6 can be suspended by connecting the lowermost seat plate slat 6b. Although will be wound to the winding drum 5, embedded operations such shutter curtain 6 in weight shutter device because it has been done in general, will be omitted further description.

Next, an outer (outdoor side) masser 19 is to be attached. The outer masser 19 is formed with a U-shaped cross support portion 19a having an upper end opened in the front-rear direction and the cross support portion 19a. The lintel cloth (glass cloth) 19d is sandwiched by pressing the support plate 19c against the lower piece of the cross support portion 19a by the screw 19b screwed from above. A support piece 19e extending outward in the front-rear direction is provided at an intermediate portion in the vertical direction of the outer massa 19, and the support piece 19e is applied to the lower piece 19g of the L-shaped outer massa mounting bracket 19f. However, it is fixed by the drill screw 19h in a state in which the position in the front-rear direction is adjusted (a state in which dimensions can be taken from the shutter core X to the outside side surface 19o of the outer magnet body). The upper half 19i of the outer magnet mounting bracket 19f is in contact with the lower horizontal rail 12g and is fixed to the lower horizontal rail 12 by a drill screw 19j, but is formed in the upper half 19i. Among the plurality of screw holes, except for at least one round screw hole 19k, the screw hole 19l is long in the vertical direction. Then, when the outer masser 19 is fixed to the lower horizontal rail 12 via the outer masser mounting bracket 19f, the outer masser 19 is fixed with the drill screw 19j while adjusting the vertical position of the outer masser 19 using the long screw hole 19l. Finally, it is considered that the vertical displacement of the outer masser 19 does not occur by screwing the screw hole 19k of the round hole with the drill screw 19j.
Further, the outer magsa 19 is reinforced by a reinforcing metal fitting 19m. The reinforcing bracket 19m reinforces the outer mass 19 by being fixed to the lower horizontal straddle portion 12e and the lower half of the outer mass mounting bracket 19f via a drill screw 19n.
The indoor side surface 19o of the outer magsa 19 is configured to form a magsa space M so as to face a lower piece 23e of the magsa lower member 23 described later. In addition, the outer magsa bottom piece 19p is formed by bending from the lower end of the outer magsa indoor side surface 19o to the outdoor side, and the outdoor side piece 19q is formed upward from the outdoor side end of the outer magsa bottom piece 19p. The ceiling board 2 is supported in a state of riding on the upper end of the outer piece 19q (see FIGS. 4 and 16 to 19).

  Incidentally, as shown in FIG. 20, the outer masser 19 can be configured as in the second embodiment. In this case, the outdoor side piece 19q is set high up to the lower surface position of the lower piece 19g, and the contact piece 19r bent from the upper end of the outdoor side piece 19q toward the outdoor side is provided from the lower side of the lower piece 19g. It is made to contact | abut and was fixed with 19 s of drill screws, It can implement also in this way. In this case, the positioning of the outer masser 19 in the front-rear direction can be performed by moving the contact piece 19r back and forth.

  Reference numeral 20 denotes an inner (indoor side) masser, and the inner masser 20 is composed of a masser receiving material 21, a masser upper material 22, and a lower massa material 23. A rectangular tube material 21a that is long in the direction, a smoother 21c that is integrally fixed to the outdoor side surface 21b of the rectangular tube material 21a, and an indoor side surface 21d of the rectangular tube body 21a, and from the intermediate position in the vertical direction toward the indoor side. An extending case stopper 21e, a reinforcing piece material 21g that is fixed to the upper surface 21f of the rectangular tube material 21a and extends upward in a state of being flush with the indoor side surface 21d, and a lower surface 21h of the rectangular tube material 21a Although it is configured to include a massa mounting member 21i that is fixed and extends downward in a state of being flush with the square tube member outdoor side surface 21b, and a closing plate 21j that blocks both ends of the square tube member 21a. The cylinder top surface 21f is formed on the driven side, The lower side pieces 16b and 17b of the moving side bearing plates 16 and 17 and the masser mounting members 16g and 17g fixed so as to protrude to the opposite side (inward in the left and right direction) of the lower side pieces 16b and 17b are contacted from the lower side. Although fixed to these bearing plates 16 and 17 by bolts and nuts 21n that are attached through the square tube member 21a and the magnet attachment member 21i from the side of the attachment members 16g and 17g (see FIGS. 4, 21 to 25). ), Bolt holes 16h and 17h provided in the mass mounting members 16g and 17g are long holes so that the horizontal position of the mass receiving member 21 can be adjusted (see FIGS. 21 to 25).

Further, the upper material 22 of the massa is configured by an upper material body 22a having an L shape and a reinforcing piece 22d fixed so as to extend between the upper piece 22b and the lower piece 22c of the upper material body 22a. The upper piece 22b extends upward, and a reinforcing piece piece 22e for reinforcing and fixing the mass receiving member reinforcing piece member 21g is provided at the upper end portion thereof.
The magsa upper member 22 is fixed to the magsa attachment member 21i using the drill screw 22f in a state where the upper piece 22b is brought into contact with the square tube member outdoor side surface 21b and the magsa attachment member 21i from the outdoor side. In this case, a plurality of screw holes for the drill screw 22f are formed in the mass attaching member 21i, one of which is a round screw hole 21k, and the other is a long screw hole 21l which is long in the vertical direction. It has become. Then, after adjusting the vertical position of the upper mass member 22 with the long screw hole 21l and fixing it with the drill screw 22f, the round screw hole 21k is fixed with the drill screw 22f to move the upper mass material 22 up and down. The positional deviation in the direction is regulated.
After fixing the upper mass member 22 to the masser receiving member 21 as described above, the reinforcing piece material 21g and the reinforcing piece piece 22e are further fixed by the drill screw 22g (FIGS. 4, 21). 26).

Further, the lower mass member 23 has an inverted L shape, and the upper piece 23a of the lower mass member 23 is brought into contact with the lower upper piece 22c of the masser 22c and fixed using a drill screw 23b. However, among the plurality of screw holes formed in the upper piece 23, one is a round screw hole 23c and the remaining is a long screw hole 23d which is long in the front-rear direction. Then, when the lower mass member 23 is attached to the upper mass member 22, the longitudinal position of the lower mass member 23 is adjusted with the long screw holes 23 d (dimensions from the shutter core X to the lower lower mass member piece 23 e. In this state, the round screw hole 23c is fixed by the drill screw 23b, thereby restricting the positional displacement of the lower mass member 23 in the front-rear direction. By doing so, as described above, the lower piece 23e of the lower mass member 23 opposes the indoor side surface 19o of the outer mass 19 and forms a mass space M (FIGS. 4, 21, and 25). reference).
A bottom piece 23f is formed from the lower end of the lower piece 23e toward the indoor side, and an indoor side piece 23g is formed upward from the indoor side end of the bottom piece 23f. The board 2 is provided so as to ride up, and the ceiling board 2 can be supported.

  A round case 24 surrounds and covers the shutter curtain 6 wound around the winding drum 5, and an upper end portion 24a bent in an L shape is connected to the upper side rail 11 via a drill screw 24b. The lower end 24d is fixed to the square cylinder interior side surface 21d via a drill screw 24e, but the round case 24 is long in the left-right direction, and thus has a resilient force. Therefore, it is considered that the lower end 24d is locked and temporarily held by the case receiving member 21e, and from this state, the lower end 24d is screwed to the rectangular tube indoor side surface 21d (FIGS. 4, 21, 35).

  Reference numeral 25 denotes a hanging angle. The hanging angle 25 is arranged so as to surround and flex the outside of the round case 24, and reinforces and fixes the inner masser 20 to the upper side rail 11, and has a U-shape. The lower leg portion 25a is fixed to the hanging angle mounting member 21m fixed to the corner portion of the rectangular tube indoor side surface 21d and the case stopper 21e via a drill screw 25b, and the upper leg portion 25c is attached to the rear end portion. A mounting bracket 25d that is long in the left-right direction is provided, and the mounting bracket 25d is fixed to the upper lateral rail 11 via a drill screw 25e (see FIGS. 4, 21, and 35).

  Further, the guide rail 8 is set to have a wide front and rear width exceeding the outer massa outdoor side piece 19q and the massa lower material indoor side piece 23g. The guide rail 8 is a rail in which a guide groove 8a is formed. It is configured using a main body 8b, a fixing bracket 8c for fixing the rail main body 8b to the inner rail piece 9c in the left-right direction of the vertical rail, and an L-shaped connecting piece 8k. The metal fitting 8c is made of a steel material having a J shape including left and right long and short pieces 8d and 8e and straddling portions 8f connecting the long and short leg pieces 8d and 8e. The rail body 8b includes front and rear finding surface portions 8g and 8h extending in the front-rear direction from the opening end of the guide groove 8a and a front bent front portion 8g bent from the front end in the front-rear direction outward in the left-right direction. Front side connecting piece 8i bent backward in the direction and further outward in the left-right direction, and further bent forward and backward from the rear end in the front-rear direction of the rear finding surface portion 8h. It is comprised by the back side connection piece 8j bent toward the direction back. In the present embodiment, the rail body 8b is integrated by welding three bent plate members as shown (see FIG. 29).

  Here, the upper end portion of the guide rail 8 is set so as to reach the attachment portion of the smoother 21c by inserting the massa space M, and the curtain guide 8l is formed by expanding the front and rear pieces and the groove bottom piece of the upper end portion of the guide groove. However, as described above, the guide rail 8 is set to have a wide front and rear width exceeding the outer magsa outdoor side piece 19q and the magsa lower material indoor side piece 23g. Interfering with the outer notch bottom piece 19p, the first notch 8m in which a portion that interferes with the outdoor side piece 19q is cut out, the lower piece 23e, the bottom piece 23f, and the indoor side piece 23g of the inner massa (magusa lower member 23) 20. A portion is cut out, and a second cutout portion 8n is formed in which the upper end on the indoor side reaches a position where it abuts on the upper piece 23a of the inner magneta 20 (thick drawn in FIG. 27 is a guide rail) That). And by doing in this way, when the guide rail 8 is assembled | attached, it will be in the state which the outer masser 19 fits into the 1st notch part 8m, and the inner masser 20 fits into the 2nd notch part 8n. Even if the guide rail 8 and the inner and outer magses 19 and 20 are not welded, the strength of the inner and outer magses 19 and 20 can be maintained using the guide rail 8 (see FIGS. 27 and 30).

  Next, the procedure for assembling the guide rail 8 is as follows. First, the upper end portion of the fixing bracket 8c is inserted upward from the magnet space M, and the straddle portion 8f is adjusted with the drill screw 8o in a state where the left and right positions of the fixing bracket 8c are adjusted. It fixes to the vertical rail left-right direction inner side leg piece 9c. Next, in a state where one piece of the connecting piece portion 8k is temporarily fixed with the bolt 8p, the rail body portion 8b is brought into contact with the short leg piece 8e and the rear connecting piece 8j, and the front connecting piece 8i and the other piece of the connecting piece portion 8k. These are fixed by drill screws 8q and 8r in a state where they are in contact with each other. After that, the guide rail 8 can be assembled by loosening the bolt 8p, adjusting the position of the guide groove 8a in the front-rear direction by the long hole 8s formed in the long leg piece 8d, and tightening the bolt 8p. (See FIGS. 27 to 30).

  The guide rail 8 can be the same as that of the second embodiment shown in FIGS. In this, the length of the leg pieces 8t, 8u of the fixing bracket 8c is substantially the same length, and the rear side connecting piece 8j and the leg piece 8t of the rail body portion 8b are the same as those in the first embodiment. Similarly, the leg piece 8u is fixed by the drill screw 8v, but the leg piece 8u is fixed to the leg piece 8u with a fixing piece 8w bent backward from the front end of the front side connecting piece 8i and fixed by the drill screw 8x. (See FIGS. 31 to 33).

The guide rail 8 of the second embodiment is set so as to be wide on the side of the outer masser 19, and therefore, the outer masser 19 is attached to the upper end of the guide rail 8 when assembled. The first notch 8m to be inserted is formed, and the strength of the outer magsa 19 can be maintained by doing so. In this case, the inner masser 20 is not supported by the guide rail 8, and in this embodiment, the inner masser 20 (the lower mass member 23) is long in the left-right direction, and is long in contact with the guide rail 8 in the left-right direction. The drill screw 8y is screwed from the inner masser 20 side and fixed (see FIG. 32).
Incidentally, as the guide rail 8, when it is desired to only maintain the strength of the inner masser 20, on the contrary, the inner masser 20 side is set wide, and the second notch 8 n into which the inner masser 20 is fitted into the guide rail 8. May be formed.

  In this embodiment, the screw fixing is selected from the bolt-nut fixing and the drill screw fixing. However, the screw fixing is not limited to this, and a screw fixing or the like can be selected as necessary.

  In the present embodiment configured as described, when the architectural heavy shutter device 1 is installed in an opening such as a doorway of a building, the heavy shutter device 1 is a winding drum around which the shutter curtain 6 is wound. 5 is rotatably supported by driven and drive bearing plates 16 and 17 provided on the ceiling side, and is opened by a lifting operation guided by the guide rail 8 of the shutter curtain 6 when the winding drum 5 rotates forward and backward. In this case, the mounting and fixing of the bearing plates 16 and 17 to the housing side includes the first step of attaching the left and right vertical rails 9 to the housing side via the anchor bolts 10b, A second step of screwing the upper and lower horizontal rails 11 and 12 between the attached left and right vertical rails 9 via bolts and nuts 10d, and the attached left and right vertical rails 9 and the upper and lower horizontal rails. 11 and 12, the bearing mounting plate 14 is fixed to the bearing plates 16 and 17 in advance by a third step of screwing the bearing mounting plate 14 through a drill screw 14 b and a bolt-nut 14 a. As a result of the fourth step of screw-fixing the bearing fixing bracket 15 together with the longitudinal beam 9 and the bearing mounting plate 14 via the bolt-nut 15b, welding work in the field as in the prior art becomes completely unnecessary, and all For this reason, the bearing plates 16 and 17 can be easily mounted even in a site where generation of sparks or flame (torch) is disliked.

  In addition, in this case, the left and right vertical bars 9 are erected with the pair of C-shaped steel straddling portions 9a facing each other and left and right open, and then the upper and lower ends of the C-shaped steel are inserted from the left and right openings. Each piece 10a of the L-shaped pair of first fixing tools 10 is fixed to the housing side by anchor bolts 10b, and the vertical crossing portion 9a is sandwiched from the left and right by each other piece 11e via bolts and nuts 10d. By fixing with screws, the mounting and fixing to the housing side can be performed, and the mounting and fixing of the vertical rail 9 to the housing side can be easily performed without welding work.

  The upper and lower horizontal rails 11 and 12 are attached and fixed to the left and right vertical rails 9. A pair of C-shaped steel is used for the upper horizontal rail 11, and the straddle 11a of the C-shaped steel is abutted against each other. The piece 11c is welded in advance in the factory in a state where the L-shaped piece 11c of the second fixing tool 11b is inserted from the left and right inner side opening of the vertical rail 9. The other piece 11e of the second fixing tool 11b is fixed by screw fixing via a bolt-nut 11f. As a result, the upper horizontal beam 11 can be fixed to the vertical beam 9 by screw fixing. This eliminates the need for welding work and simplifies the process.

  Further, with respect to the lower horizontal rail 12, similarly, the other piece 12d of the third fixture 12a, in which one piece 12b is previously welded to the vertical rail straddling portion 9a in the factory, is connected to the lower horizontal straddle portion 12e via bolts and nuts 12f. By fixing with screws, it is easily attached and fixed to the vertical beam 9 so that welding work is not required.

  Further, the bearing mounting plate 14 is fixed to the left and right vertical bars 9 and the upper and lower horizontal bars 11 and 12 fixed in this manner. In this case, the upper and lower horizontal bars 11 and 12 are connected via drill screws 14b. After being temporarily fixed to the upper and lower horizontal bars 11 and 12 by screw fixing, the screw is fixed to the leg piece 9c on the outer side in the left and right direction of the vertical bar 9 via bolts and nuts 14a. In addition to the improvement, the mounting operation may be screw fixing, and the welding operation becomes unnecessary.

The bearing fixing bracket 15 has a L-shaped piece 15a in which the driven-side and driving-side bearing plates 16 and 17 are screw-fixed with bolts and nuts 15g in advance at the factory. As a result of being fixed to the fixed bearing mounting plate 14 and screwed to the vertical beam 9 and the bearing mounting plate 14 via bolts and nuts 15d inserted from the left and right inner side openings of the vertical beam 9, no welding work is required. become.
In this case, since the left and right bearing plates 16 and 17 are screwed to the piece 15a of the bearing fixing bracket 15 via bolts and nuts 15g in advance, the screw fixing work at the site becomes unnecessary and workability is improved. Will improve.

  Furthermore, a steady rest 18 for preventing the bearing plates 16 and 17 from rolling is fixed in an inclined manner between the upper pieces 16a and 17a of the left and right bearing plates 16 and 17 and the upper side rail 11. Therefore, the bearing plates 16 and 17 are prevented from shaking and the assembling accuracy is improved.

  In addition, a spacer 15e for adjusting the tilt of the bearing plates 16 and 17 is assembled between the bearing mounting plate 14 and the outer leg piece 9b in the horizontal direction of the vertical rail in a state where the bolts and nuts 14a are tightened together. Therefore, it is convenient that the bearing plates 16 and 17 can be maintained in the vertical posture by selectively adjusting the number of the spacers 15e and the assembly position.

  INDUSTRIAL APPLICABILITY The present invention can be used as a method for attaching a bearing plate in a building heavy shutter device built at a doorway of a building such as a building.

DESCRIPTION OF SYMBOLS 1 Shutter device 5 Winding drum 6 Shutter curtain 8 Guide rail 9 Vertical rail 9a Stretching part 9b Left-right direction outer leg piece 9c Left-right direction inner leg piece 10 First fixing tool 10a One piece 10b Anchor bolt 10c Other piece 10d Bolt-nut 11 Upper side Crosspiece 11a Crossing 11b Second fixture 11c One piece 11e Other piece 11f Bolt-nut 11g Leg piece 12 Lower side crosspiece 12a Third fixture 12b One piece 12d Other piece 12e Stretching portion 12f Bolt-nut 12g Leg piece 14 Bearing mounting Plate 14a Bolt-nut 14b Drill screw 15 Bearing fixing bracket 15a One piece 15b Bolt-nut 15e Bearing tilt adjustment spacer 15f Other piece 15g Bolt-nut 16 Driven side bearing plate 16a Upper piece 16d Bolt 17 Drive side bearing plate 17a Upper piece 18 steady rest

Claims (7)

The winding drum around which the shutter curtain is wound is rotatably supported on the left and right bearing plates attached to the left and right of the opening such as the entrance and exit, and the shutter curtain is guided by the guide rail as the winding drum rotates forward and backward. In the building heavy-duty shutter device which is guided to be lifted and lowered to open and close, the mounting method for mounting the left and right bearing plates on the housing side, the first step of attaching the left and right vertical rails on the housing side And a second step of fixing the upper and lower horizontal rails between the attached left and right vertical rails, and a third step of screwing a bearing mounting plate to the front surfaces of the attached left and right vertical rails and the upper and lower horizontal rails. And a fourth step of screwing the bearing plate to the attached bearing mounting plate. How to put. 2. The method of attaching a bearing plate in a building heavy-duty shutter device according to claim 1, wherein the bearing mounting plate is temporarily fixed to the horizontal beam by screws and then fixed to the vertical beam. The left and right bearing plates are arranged in such a way that one piece of L-shaped bearing fixing bracket whose other pieces are fixed to the left and right bearing plates in advance is applied to the bearing mounting plate, and the vertical beam and the bearing mounting plate are inserted through screws inserted from the vertical beam side. The mounting method of the bearing plate in the heavy shutter device for buildings according to claim 1, wherein the bearing plate is screw-fixed. 4. The architectural weight shutter according to claim 1, wherein a spacer for adjusting the attitude of the bearing plate is interposed between the bearing mounting plate and the vertical beam. Mounting method of the bearing plate in the apparatus. The left and right vertical bars are a pair of L-shaped fixtures in which the upper and lower ends of the C-shaped steel that is erected in a state where the pair of C-shaped steels are abutted with each other and the left and right are opened are inserted from the left and right openings. The bearing plate in the heavy shutter device for building according to any one of claims 1 to 4, wherein one piece is fixed to the housing with an anchor bolt, and the other portion is screwed so that the straddle is sandwiched from the left and right. Installation method. The upper and lower horizontal rails are made of at least one C-shaped steel, and one piece of L-shaped fixing tool is fixed to the vertical beam straddle in a state where it is inserted from the left and right inner side opening of the vertical beam, and the other piece is crossed by the horizontal beam. 6. The method of attaching a bearing plate in a heavy weight shutter device for building according to claim 5, wherein the screw is fixed to the portion. 7. A steady rest for preventing the rolling of the bearing plate is screwed in an inclined manner between the front upper edge of the left and right bearing plates and the cross rail. 2. A mounting method of a bearing plate in the heavy shutter device for building according to 1.

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