JP7339107B2 - Exterior wall panel installation method - Google Patents

Description

TECHNICAL FIELD The present invention relates to a hanging device for hanging an object, a hanging method, and a method for attaching an exterior wall panel to a building skeleton.

Patent Literature 1 discloses a suspension device in which a precast plate, which is an object to be suspended, is suspended on one end of a balancer, and a counterweight is arranged on the other end.

Further, Patent Document 2 discloses a suspended object turning control device that controls the attitude of a suspended object by a gyro mechanism.

Conventionally, as shown in FIGS. 7 and 8, a balancer 803 having an outer wall panel 801 as an object to be hung suspended at one end and a counterweight 802 arranged at the other end is controlled by a swing control device 804 for the suspended object. Suspension, and furthermore, this suspended object turning control device 804 is lifted by a lifting machine 805 so that the position on the center of gravity of the suspended object turning control device 804 is the suspension base, thereby the outer wall panel 801 and the balancer 803 The operation of attaching the outer wall panel 801 to the building skeleton 806 was performed while controlling the rotation of the entire building.

Japanese Patent Application Laid-Open No. 2001-335280 JP 2013-35651 A

However, in the above-described conventional technique, when the object to be hung is particularly a panel object, and the weight is light compared to its apparent area, there is a problem that the object is likely to be blown by the wind while being lifted by the hoisting machine. Moreover, even if the suspended object turning control device is used, it is not possible to accurately suppress the swing of the panel object in the front-rear direction (direction perpendicular to the panel surface).

In view of the above circumstances, it is an object of the present invention to provide a hoisting device, a hoisting method, and a method of attaching an exterior wall panel to a building frame, which can reduce the swaying of a hoisting object due to wind during lifting. .

In order to solve the above-described problems, the hoisting device of the present invention includes a balancer whose one end side is a position for suspending an object to be suspended, and a position below the center position of the object to be suspended, which is positioned on the other end side of the balancer. and an object connecting member that connects directly or indirectly, and a hanging base is set between the one end side and the other end side.

With the above configuration, the movement of the suspended object is suppressed by the object connecting member, so it is possible to reduce the swaying of the suspended object due to the wind during lifting.

A counterweight may be provided on the other end side of the balancer.

Further, the other end side of the balancer may be provided with a suspended object turning control device having a weight that replaces all or part of the counterweight. According to this, the suspended object turning control device functions as all or part of the counterweight, so that the overall weight can be reduced, the size of the lifting machine can be reduced, and the construction cost can be reduced. Furthermore, in the turning control by the hanging object turning control device, even when the hanging object is a panel object, the object connecting member is connected to the panel object, so that the swinging of the panel object in the front-rear direction is suppressed. can be suppressed.

The suspended object turning control device may be directly attached and fixed to the balancer. According to this, it becomes possible to handle the above-mentioned hanging object turning control device and the above-mentioned balancer integrally, and it becomes easy to prepare for the hanging work. Moreover, compared with the case where the suspended object turning control device is connected to the balancer via a linear member, it is possible to reduce control delays and improve turning responsiveness.

A hoist may be provided for hoisting the object connecting member removed from the hanging object. According to this, it is possible to prevent the object connecting member removed from the hanging object from being blown by the wind and hitting the hanging object.

Further, in the suspension method described in the present invention, one end side of the balancer is suspended in a state in which the object connecting member is connected to a position below the center position of the suspended object using any one of the suspending devices. characterized in that the object to be hung is lifted by According to this, it becomes easy to suppress the shaking of the lower side of the hanging object.

In addition, the method of attaching an exterior wall panel to a building frame described in the present invention uses the above-described suspension method, and attaches one or more of the object connecting members to the exterior side of the exterior wall panel as the object to be suspended. and attaching the outer wall panel to the building skeleton in a state in which the outer wall panel is lifted.

According to the above method, the movement of the outer wall panel is suppressed by the one or more object connecting members, so that the swaying of the outer wall panel by the wind during lifting can be reduced.

In the method of attaching the exterior wall panel to the building frame, the exterior wall panel may be assembled on the ground frame, and the exterior wall panel may be lifted from the ground frame and attached to the building frame.

Further, in the above-described method for attaching an exterior wall panel to a building frame, a lower fixing jig projecting downward from the outer wall panel is attached to the base material on the back side of the outer wall panel, and the lower fixing jig is attached to the outer wall panel. An object connecting member may be connected to the lower side of the outer wall panel. According to this, the work of connecting the object connecting member and the lower side of the outer wall panel can be easily performed by the lower fixing jig. Further, when the lower fixing jig is attached to the back side of the outer wall panel, it becomes easier for the operator to remove the lower fixing jig from the outer wall panel suspended on the building skeleton.

According to the present invention, the object connecting member can reduce the swaying of the suspended object due to the wind during lifting, and furthermore, it is possible to suppress the swinging of the load in the front-rear direction of the suspended object. .

FIG. 3 is a perspective view showing an outer wall panel as an example of a suspended object; FIG. 1(A) is an explanatory view showing cross sections of the upper and lower parts of the outer wall panel in the outer wall panel of FIG. 1, and FIG. It is an explanatory diagram. 1. It is the front view which showed an example of the ground frame stand which assembles the outer wall panel of FIG. 1 on the ground. BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which showed the suspension apparatus and suspension method concerning embodiment of this invention. FIG. 4 is an explanatory diagram showing a method of attaching an exterior wall panel to a building by the suspension method according to the embodiment of the present invention; FIG. 4 is an explanatory diagram showing a method of attaching an exterior wall panel to a building by a suspension method according to another embodiment of the invention; It is explanatory drawing which showed the conventional hanging apparatus and the hanging method. It is explanatory drawing which showed the conventional hanging apparatus and the hanging method.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, the outer wall panel 5 has a structure in which, for example, a plurality of oblong outer wall surface materials 51 are arranged vertically and connected to each other by a base material 52 . In the example shown in FIG. 1, the backing material 52 is provided with a vertical furring strip 52a.

The outer wall surface material 51 is, for example, a metal sandwich panel in which a heat insulating material 51a is sandwiched between steel plates 51b and 51c, as shown in FIGS. 2(A) and 2(B). When two outer wall surface materials 51 are arranged vertically, two concave portions 51d formed in the upper end surface of the outer wall surface material 51 located in the lower stage are inserted into two recesses 51d formed in the upper end surface of the outer wall surface material 51 located in the upper stage. The upper and lower outer wall surface materials 51 are combined so as not to be displaced in the out-of-plane direction by fitting two protrusions 51e formed on the lower end surface that are elongated in the width direction.

As shown in FIG. 3, by using the base frame 1, the outer wall panel 5, in which the plurality of outer wall surface materials 51 are arranged vertically and connected by the base material 52, is attached to the outer wall of the building skeleton 7 to which the outer wall panel 5 is attached. It can be assembled at a location different from the mounting location.

The ground assembly frame 1 includes a column portion 11A located on the side surface side of the exterior wall surface member 51, a back side column portion 11B arranged at a position on the rear surface side of the exterior wall surface member 51, the column portion 11A, It has three beams 12 that extend over the lower side, the middle side, and the upper side of 11B, and a column 11C that supports them. The outer wall panel 5 and the base material 52 are indicated by dotted lines.

For example, the lower side of the support section 11A is fixed on the upper surface of the lower beam section 12, and the center side and upper side of the support section 11A are attached to the front sides of the middle and upper beam sections 12. Each is fixed via a spacer. The middle and upper beams 12 are provided on the rear side of the vertical furring strip 52a. In addition, the lower end of the back support pillar 11B is fixed on the upper surface of the lower beam 12, and the center and upper part of the back support 11B are attached to the front surfaces of the middle and upper beams 12. Fixed.

Base material holders 2 for holding the vertical furring strips 52a are fixed on the upper beam portion 12 and the middle beam portion 12, respectively. The beam portion 12 positioned at the lower stage is provided with a positioning convex portion into which the vertical furring strip 52a is inserted or a positioning plate portion with which the side surface of the vertical furring strip 52a abuts.

After setting the vertical furring strip 52a, the operator sets the outer wall surface material 51, screws the upper end portion side of the set outer wall surface material 51, and sets the outer wall surface material 51 first. It is fixed to the vertical furring strip 52a. By repeating this work, the outer wall panel 5 is produced.

FIG. 4 shows the suspension device 6 of this embodiment. The suspension device 6 includes, for example, a frame-shaped balancer 61 . A long balance 62 made of H-shaped steel, for example, is horizontally fixed to the lower surface of one end of the balancer 61 as a suspension position for the outer wall panel 5 to be suspended. Suspension wires 62a are suspended from the ends of the balances 62, and the lower ends of the suspension wires 62a are connected to the upper ends of the vertical furring strips 52a of the outer wall panel 5, which is the object to be suspended. This connection is performed, for example, by engaging an engaging member such as a hook in a bolt insertion hole formed in the vertical furring strip 52a. When an opening is formed in the outer wall panel 5, the hanging wire 62a may be connected to the upper end of the vertical furring strip 52a on the lower side of the opening.

The hanging method is not limited to that shown in FIG. 4. For example, the outer wall panel 5 may be hung by directly connecting the balance 62 to the vertical furring strip 52a without using the hanging wire 62a. Alternatively, the outer wall panel 5 may be suspended by suspending the balance 62 with a wire from the tip side of the balancer 61 and directly connecting the balance 62 to the vertical furring strip 52a.

A counterweight can be arranged on the lower surface portion on the other end side of the balancer 61 . In this embodiment, instead of the counterweight, a suspended object turning control device 63 having a weight that is all or part of the weight of the counterweight is provided. For example, the weight of the outer wall panel 5 is about 1 t, and instead of placing a counterweight of 2 t on the other end side of the balancer 61, the suspended object turning control device 63 having a weight of about 2 t is used. installed. The suspension device 6 can be configured without the above-mentioned suspended object turning control device 63 and counterweight. However, it is easy to reduce the fanning caused by the wind.

The suspended object turning control device 63 controls the posture of the suspended object by, for example, a gyro mechanism (not shown) provided in the rectangular housing (mechanism for tilting the rotation surface of the flywheel rotated at high speed around the horizontal axis with a gimbal). (rotation) and is operated by remote control from the ground.

The suspended object turning control device 63 may be connected by a wire or the like suspended from the lower surface of the other end of the balancer 61. In this embodiment, the balancer 61 is provided with bolts and nuts, for example. It is fixed directly by

In the suspension device 6 , the suspension base C is set between one end side and the other end side of the balancer 61 . Further, in this embodiment, a plurality of linear members 64 such as wires having one ends gathered on the side of the suspension base C are provided. connected to Furthermore, in this embodiment, the two linear members 64 positioned on the side of the balance 62 are fixed to the balancer 61 at a position somewhat separated from the balance 62, and the suspended object rotation control device 63 Two linear members 64 located on the side are fixed to the ends of the balancer 61 . Note that the hanging object turning control device 63 may be fixed to the upper surface side of the other end of the balancer 61, and in this case, the other ends of the two linear members 64 may be connected to the hanging object. It may be connected to the turning control device 63 . Alternatively, the suspended object turning control device 63 may be fixed to the end surface of the balancer 61 on the other end side at an intermediate position in the vertical direction.

Further, the hanging device 6 includes an object connecting member 65 that connects the lower side of the outer wall panel 5 from the center, particularly the lower end side, to the other end side of the balancer 61 . In this embodiment, the object connecting member 65 is not directly connected to the other end side of the balancer 61 but is connected to the lower surface side of the suspended object turning control device 63 . The object connecting member 65 may be a linear member such as a wire that bears only tension, or a rod-shaped member that bears both tension and compression. Then, using the object connecting member 65, the outer wall panel 5 is pulled from the vertically hanging state in which the panel surface faces horizontally to the front side (outdoor side) of the panel so that tension is applied to the object connecting member 65. ing. In order to easily apply the tension to the object connecting member 65 by pulling the outer wall panel 5, the object connecting member 65 is provided with a so-called lever block (trade name) or a ratchet type load tightening member. etc. may be provided.

Further, in this embodiment, on the back surface side of the outer wall panel 5, lower fixing jigs 66 projecting downward from the back surface side of the outer wall panel 5 are provided at equal distances from the center of the outer wall panel 5 in the left-right direction. The object connecting member 65 is connected to the lower side of the outer wall panel 5 via these lower fixing jigs 66 . As the lower fixing jig 66, for example, the same steel material as the vertical furring strip 52a can be used. can be temporarily fixed. Further, the lower fixing jig 66 may be structured such that it cannot be separated from the object connecting member 65, or it may be structured such that it is removable. The lever block (trade name) and the ratchet-type load fastening member may also be detached from the object connecting member 65 and recovered after the outer wall panel 5 is attached.

Next, a hanging method using the hanging device 6 will be described. In this suspension method, the suspension base C is set at a position deviated from the vertical line passing through the center of gravity of the suspended object turning control device 63, and the suspended object turning control device 63 is controlled by the suspended object (outer wall). It becomes a method of taking on the role of all or part of the counterweight to the panel 5). Further, in this method, the position off the vertical line passing through the center of gravity may be set to a position outside the housing of the suspended object turning control device 63 . The more the suspension base C deviates from the housing of the suspended object rotation control device 63, the more the suspended object rotation control device 63 can play the role of a counterweight for the suspended object.

In addition, in the method of attaching the outer wall panel to the building frame of this embodiment, as described above, the object connecting members 65 are separated from each other on the outdoor side of the outer wall panel 5 as the object to be hung. After removing the object connecting member 65 from the outer wall panel 5 as shown in FIG. It is attached using fasteners (not shown) fixed to the frame 7 . At this time, since the hanger C can be positioned apart from the building frame 7, the outer wall panel 5 can be smoothly attached to the building frame 7. As shown in FIG. In lifting the outer wall panel 5, the object connecting member 65 is attached to the outer wall panel 5 via the lower fixing jig 66 projecting downward from the outer wall panel 5 from the back side of the outer wall panel 5. Connect to the bottom side. For example, the outer wall panel 5 can be assembled on the base frame 1 provided on the site of the building frame 7 , and the outer wall panel 5 can be lifted from the base frame 1 and attached to the building frame 7 . Of course, the outer wall panel 5, which has been laid down after assembly, may be erected and lifted by the lifting device 6. - 特許庁The object to be hung by the hanging device 6 is not limited to the outer wall panel 5 described above.

As described above, in this embodiment, the movement of the lower end side of the outer wall panel 5 is suppressed by the object connecting member 65, so that the tilting of the outer wall panel 5 by the wind during lifting is reduced. can do.

If the suspended object turning control device 63 is provided on the other end side of the balancer 61, the suspended object turning control device 63 functions as all or part of the counterweight. Construction costs can be reduced by reducing the size of heavy machinery. Furthermore, in the turning control by the hanging object turning control device 63, even when the hanging object is the outer wall panel 5, by connecting the lower end side, the swinging of the load in the front-rear direction of the outer wall panel 5 can be suppressed. .

When the suspended object turning control device 63 is directly attached and fixed to the balancer 61, it becomes possible to handle the suspended object turning control device 63 and the balancer 61 integrally, thereby preparing for the lifting work, etc. is easier to do. In addition, compared with the case where the suspended object turning control device 63 is connected to the balancer 61 via a linear member, the control delay can be reduced and the turning responsiveness can be improved.

Further, when the object connecting member 65 is connected to the lower side of the outer wall panel 5 via a lower fixing jig 66 protruding downward from the outer wall panel 5 from the back side of the outer wall panel 5, the lower fixing jig 66 facilitates the connection work between the object connecting member 65 and the lower side of the outer wall panel 5 . Further, when the lower fixing jig 66 is attached to the back side of the outer wall panel 5 , it becomes easier for the worker to remove the lower fixing jig 66 from the outer wall panel 5 in a suspended state on the building skeleton 7 . Although remote control or the like is required for removal, the object connecting member 65 can be fixed to the outer wall surface member 51 of the outer wall panel 5 by using a suction cup that can be attached to the surface of the outer wall panel 5 . is also possible. Also, as shown in FIG. 6, object connecting material tip tools 65A and 65B may be used. The object connecting member tip tool 65A is made of a member having a substantially U-shaped cross section having a recess, and can be engaged with the lower edge of the outer wall panel 5 at the recess. The object connecting member tip 65B is also made of a member having a substantially U-shaped cross section having a recess, and can be engaged with the lower side edge of the outer wall panel 5 at the recess. The object connecting member tip 65B may further include a lip portion that fits into the groove of the vertical furring strip 52a. Although FIG. 6 shows an example using the object connecting material tip tools 65A and 65B, only the object connecting material tip tool 65A may be used, or only the object connecting material tip tool 65B may be used. good too.

If the object connecting members 65 are rods or wires, they may scratch the outer wall panel 5 if they come into contact with them. Further, a hoist for hoisting the object connecting member 65 may be provided on the lower surface of the suspended object turning control device 63 or the like. According to this, it is possible to suppress the object connecting member 65 removed from the lower end side of the outer wall panel 5 from hitting the outer wall panel 5 due to being blown by the wind. Preferably, the hoist is driven by an electric motor and can be remotely controlled from the ground in the same manner as the suspended object turning control device 63 .

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications and variations can be made to the illustrated embodiment within the same scope as the present invention or within an equivalent scope.

REFERENCE SIGNS LIST 1 : Base frame 2 : Backing material holder 5 : Exterior wall panel 6 : Suspension device 7 : Building frame 11A : Support column 11B : Back side support 11C : Column 12 : Beam 51 : Exterior wall surface material 51a : Heat insulating material 51b : Steel plate 51c : Steel plate 51d : Concave portion 51e : Convex portion 52 : Base material 52a : Vertical furring strip 61 : Balancer 62 : Balance (suspension position)
62a: Hanging wire 63: Hanging object rotation control device 64: Linear member 65: Object connecting material 65A: Object connecting material tip 65B: Object connecting material tip 66: Lower fixing jig 66a: Plate material C: hanger

Claims (7)

A balancer having one end serving as a suspension position for an object to be suspended, and an object connecting member directly or indirectly connecting the object to be suspended to the other end of the balancer, wherein the suspension base is the one end. Using a hanging device set between the other end side, one or more of the object connecting members are connected to a position below the center position on the outdoor side of the outer wall panel as the object to be hung. A method for attaching the outer wall panel to a building frame by lifting the outer wall panel on one end side of the balancer in a state of
A lower fixing jig protruding downward from the outer wall panel is attached to the base material on the back side of the outer wall panel, and the object connecting member is positioned on the outdoor side of the outer wall panel and on the lower side of the outer wall panel. 2. A method for attaching an exterior wall panel to a building frame, characterized in that the exterior wall panel is lifted while being connected to the lower fixing jig. 2. The method of mounting an exterior wall panel according to claim 1, wherein said suspension device comprises a counterweight on the other end side of said balancer. The method for attaching an exterior wall panel according to claim 2, wherein the suspension device includes a suspension object rotation control device having a weight that replaces all or part of the counterweight on the other end side of the balancer. How to install the outer wall panel . 4. The method of mounting an exterior wall panel according to claim 3, wherein said control device for swinging an object to be hung is directly attached and fixed to said balancer. The method for attaching an exterior wall panel according to any one of claims 1 to 4, wherein the hoisting device includes a hoist for hoisting the object connecting member removed from the hoisting object. How to install the outer wall panel . In the method for attaching an exterior wall panel according to claim 3 or 4, the hoisting device includes a hoist for hoisting the object connecting member removed from the hoisting object in the hoisting object turning control device. A method for mounting an exterior wall panel, characterized by : 7. The method for attaching an exterior wall panel according to claim 5, wherein the hoist is operated remotely from the ground .

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