JP6730831B2 - Architectural panel retractor - Google Patents

Description

The present invention relates to a building panel retractor, and more particularly to a building panel retractor used when retracting a building panel having a metal panel frame toward a building body.

2. Description of the Related Art Conventionally, various types of building panels manufactured in factories are loaded on a transportation vehicle such as a truck in a state of being flatly stacked on a panel loading rack and transported to a construction site.
The transported building panels should be mounted flat on a panel loading rack, then one end should be hoisted by a crane or the like installed at the construction site and then lifted to be built up and assembled to the building body. become.

Under such circumstances, for example, in order to assemble the outer wall panel to the building body, it is necessary to first pull the hoisted outer wall panel toward the building body. Then, after the lower end of the retracted outer wall panel is bolted to the building body, the upper end of the outer wall panel is further bolted to the building body to complete the assembly work.
The work of pulling in the outer wall panel as described above is usually performed by two workers, namely, a worker who is on the indoor side of the outer wall panel and a worker who is on the outdoor side of the outer wall panel.
However, since two workers are required, work efficiency is low, and in the case of a narrow land, a scaffold cannot be installed and the worker cannot stand on the outdoor side. A construction panel retractor such as is proposed.

The panel pulling tool described in Patent Document 1 includes a short-arm pick for hooking on a building panel and a long-arm pick serving as a handle portion of a worker. It is attached so as to be rotatable about two axes via a link and a universal joint.
By using this panel pulling tool, one worker can pull the building panel toward the building body.

Further, the panel position adjusting jig described in Patent Document 2 includes a panel position adjusting jig for hooking the opening on the inner surface of the outer wall panel, and a pulling device for pulling the panel position adjusting jig.
By using this panel position adjusting jig, one worker can pull the building panel toward the building body.

Japanese Utility Model Publication No. 3-52079 JP, 9-195514, A

However, in the panel retractor as in Patent Documents 1 and 2, in order to hold and retract the building panel such as the outer wall panel, it is necessary to hook the tip of the panel retractor to the back surface of the panel.
Therefore, if there is no portion to be hooked on the back surface of the building panel, the building panel cannot be pulled in stably, and the building panel may be damaged.

In addition, recently, by completing the building panel in the factory in advance (attaching the finishing surface material and heat insulating material to the panel frame in advance), the completed panel can be assembled to the building body. A construction method with improved work efficiency is receiving attention.
When using the panel retractor as in Patent Documents 1 and 2 for the completed panel, the heat insulating sheet on the back surface of the completed panel cannot be hooked on the back surface of the completed panel unless it is broken. It was Then, the heat insulating sheet had to be repaired after the assembly of the completed panel.
Therefore, there has been a demand for a building panel retracting tool that does not damage the finished panel even when used for a completed (preset) building panel.

In addition, in the panel retractor as disclosed in Patent Document 1, the operator's handle is rotatably attached to the portion hooked on the building panel in order to ensure the operability of the operator. However, a device for further improving the operability of workers has been required.

The present invention has been made in view of the above problems, and an object of the present invention is to stably pull in a building panel without damaging it when the building panel is drawn toward a building body. To provide a simple construction panel retractor.
Further, another object of the present invention is to draw in a building panel that can be stably drawn in without damaging the completed panel even when drawing in a previously completed (preset) building panel. To provide the ingredients.
Another object of the present invention is to provide a construction panel retractor with improved operability for workers.

According to the construction panel retractor of the present invention, there is provided a construction panel retractor used when retracting a construction panel having a metal panel frame toward a building body, wherein the panel frame A panel attaching/detaching portion that is detachably attached to the surface, and a gripping portion that is provided so as to project from the panel attaching/detaching portion toward the side opposite to the panel frame side and that can be held by a user. , And the panel attaching/detaching portion has a permanent magnet, is detachably attached to the surface of the panel frame by using the permanent magnet, and the gripping portion can be rotated with respect to the panel attaching/detaching portion. The rotating shaft is connected so that the rotating shaft extends in the projecting direction of the grip portion .
With the above configuration, it is possible to realize a building panel retractor that can be stably retracted without damaging the building panel.
More specifically, since the panel attaching/detaching portion is detachably attached to the surface of the panel frame using a permanent magnet, the panel attaching/detaching portion can be easily attached to the building panel with one touch, and the building panel can be easily attached. After assembly, it can be easily removed with one touch.
Further, with the above configuration, since the gripping portion is movable so as to be rotatable with respect to the panel attaching/detaching portion, the panel retracting tool can be adapted to various working postures of the worker.
Further, while the permanent magnet of the panel attaching/detaching portion is required to have a relatively high fixing strength and is also required to be easily detached, this configuration makes it easy for an operator to attach/detach the panel attaching/detaching portion.

Further, according to the construction panel retractor of the present invention, there is provided a construction panel retractor used when retracting a construction panel having a metal panel frame toward a building body, wherein the panel A panel attaching/detaching portion detachably attached to the surface of the frame, and a gripping portion provided so as to project from the panel attaching/detaching portion toward a side opposite to the panel frame side and a user can grasp The panel attaching/detaching portion has a permanent magnet and is detachably attached to the surface of the panel frame by using the permanent magnet. The problem can also be solved by providing a fastening hole used when fastening the fastening member in the opposite side portion.
With the above configuration, only by using the panel retractor of the present invention, the work of pulling the building panel toward the building body and the work of assembling the building panel to the building body (for example, the work of bolting) Can be achieved.
Also, the fastening hole can be used to attach the panel retractor of the present invention to a safety belt that an operator normally wears.

At this time, it is preferable that a pivot shaft that rotatably connects the grip portion to the panel attachment/detachment portion is provided, and the pivot shaft extends in a protruding direction of the grip portion.
At this time, it is preferable that the rotating shaft is arranged on an axis passing through the panel attaching/detaching portion in the protruding direction of the grip portion.
With the above configuration, it is possible to realize a panel retractor having improved operability for an operator as compared with the conventional example.
To be more specific, in the case of the conventional example, the operator's handle part was attached so as to be swingable and rotatable at a position eccentric to the part to be hooked on the building panel, so that it is not intended by the operator. There was a risk that it would be removed from the building panel. On the other hand, with this configuration in consideration of the properties of the permanent magnet, it is possible to prevent the panel pulling tool from being unintentionally disengaged from the building panel.

At this time, the rotation shaft is a first rotation shaft, and includes a second rotation shaft that connects the grip portion to the panel attachment/detachment portion so as to be rotatable. The moving shaft may extend in an intersecting direction that intersects the projecting direction of the grip portion.
With the above configuration, since the panel retractor is rotatable about two axes, the operability of the operator is further improved.

At this time, at least a part of the second rotating shaft may be arranged at a position overlapping the panel attaching/detaching part in the extending direction of the first rotating shaft.
With the above configuration, the panel retractor has a significantly improved operability for the operator as compared with the conventional example in which the operator removes the panel from the building panel at an unintended place.

According to the building panel retractor of the present invention, when the building panel is drawn toward the building body, the building panel can be stably drawn in without damaging the building panel.
Further, even when a previously completed (preset) building panel is drawn in, it is possible to stably draw in the completed panel without damaging it.
Further, it becomes a construction panel pulling tool with improved operability for workers.

It is a front view of the construction panel pulling tool of this embodiment. It is a side view of a construction panel pull-in tool, and is a figure explaining that a grasping part rotates centering on the 1st axis of rotation. It is a front view of a construction panel pull-in tool, and is a figure explaining that a grasping part rotates centering on the 2nd axis of rotation. It is a side view of a construction panel pulling tool, and is a partial longitudinal cross-sectional view of a panel attaching/detaching part. It is an exploded perspective view of a building panel and a building panel pulling tool. It is a figure explaining the state which pulled in the building panel toward the building main body. It is a figure explaining the state where the building panel was attached to the building body.

Hereinafter, a construction panel retractor according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7.
The present embodiment is a construction panel retractor used when retracting a construction panel having a metal panel frame toward a building body, and is a panel attachment/detachment that is detachably attached to the surface of the panel frame. And a gripping portion that is provided so as to project from the panel attaching/detaching portion toward the side opposite to the panel frame side and that can be gripped by an operator, and the gripping portion can be rotated with respect to the panel attaching/detaching portion. The panel attachment/detachment portion is detachably attached to the surface of the panel frame by using a permanent magnet, and the rotation axis is the panel attachment/detachment in the protruding direction of the grip portion. The present invention relates to an invention of a building panel retractor characterized in that it is arranged on an axis passing through the section.
When the building panel retractor (hereinafter referred to as the panel retractor) is attached to the building panel, the thickness direction of the building panel is the front-back direction and the width direction of the building panel is the left-right direction. ..

As shown in FIGS. 1 to 4, the panel retractor 1 according to the present embodiment has a structure in which the building panel 30 is lifted by a crane at a construction site so that the building panel 30 is assembled to the building body 40. It is a jig used when it is pulled toward 40.
More specifically, the panel retractor 1 is detachably attached to the back surface of the building panel 30 as shown in FIGS. Is a jig for assisting the work of pulling in toward the building body 40.

As shown in FIG. 5, the building panel 30 is a rectangular outer wall panel that constitutes an outer wall of a building and is long in the vertical direction, and is a metal panel frame 31 that forms a structure of the building. Mainly consisting of a finishing surface material 32 fixed to the front surface side of the panel frame 31 in a state of partially protruding from the upper and lower ends of the panel frame 31, and a sheet-shaped heat insulating material 33 attached to the back surface of the panel frame 31. Is configured.
That is, the building panel 30 is a previously completed (preset) panel.
The panel frame 31 is formed by framing a long steel material having a substantially U-shaped cross section in a rectangular shape. A space surrounded by the framed panel frame 31 is filled with a heat insulating material (not shown) made of glass wool, urethane foam or the like.
The finishing surface material 32 is an exterior finishing surface material, and is formed of a ceramic outer wall material, a waterproof plywood, or the like.
The heat insulating material 33 is formed of a sheet-shaped fibrous heat insulating material that is vertically long.

Fastening members 31a and 31b for assembly with the building body 40 are attached to the back surface of the upper end portion and the back surface of the lower end portion of the panel frame 31, respectively. The fastening members 31a and 31b are provided as a pair at intervals in the width direction of the panel frame 31, and are arranged so as to penetrate the heat insulating material 33 and be exposed to the outside on the indoor side.
Between the panel frame 31 and the finishing surface material 32, a heat insulating material 34 made of a board-shaped fiber-shaped heat insulating material that is long in the vertical direction is arranged, and between the heat insulating material 34 and the finishing surface material 32. Are provided with a plurality of vertically long flat plate-shaped spacers 35 arranged at intervals. The spacer 35 forms a ventilation layer between the panel frame 31 and the finished surface material 32.
That is, the building panel 30 is arranged in the order of the sheet-shaped heat insulating material 33, the panel frame 31, the board-shaped heat insulating material 34, the spacer 35, and the finishing surface material 32 from the indoor side to the outdoor side, respectively. It is fixed by nails.

As shown in FIG. 1, the panel pull-in tool 1 includes a panel attaching/detaching portion 10 detachably attached to the back surface of the panel frame 31 of the building panel 30, and a panel attaching/detaching portion 10 to the building panel 30 side. Is provided so as to project toward the opposite side, and is mainly composed of a grip portion 20 that can be gripped by an operator.
Further, as shown in FIGS. 1 and 3, the panel pull-in tool 1 connects the grip portion 20 to the panel attaching/detaching portion 10 so as to be rotatable, and extends in the protruding direction of the grip portion 20. As shown in FIG. 1 and FIG. 2, the gripping portion 20 is rotatably connected to the panel attaching/detaching portion 10 and intersects (orthogonally) with the protruding direction of the gripping portion 20. The second rotation shaft 14 extending along the intersecting direction (orthogonal direction).
The first rotating shaft 13 and the second rotating shaft 14 are arranged at positions orthogonal to each other, and the first rotating shaft 13 and a virtual line in the extending direction of the second rotating shaft 14 are arranged. Are in a positional relationship where they intersect.
The first rotating shaft 13 extends in a direction orthogonal to the back surface of the panel frame 31, and the second rotating shaft 14 extends so as to be parallel to the back surface of the panel frame 31.
That is, the panel pull-in tool 1 is a jig in which the grip portion 20 is attached to the panel attaching/detaching portion 10 so as to be rotatable about two axes.

As shown in FIGS. 2 and 4, the panel attaching/detaching portion 10 is a portion that is detachably attached to the surface of the building panel 30 (panel frame 31) using the permanent magnet 15.
More specifically, the panel attaching/detaching portion 10 includes an attaching/detaching portion main body 11 provided so as to abut the building panel 30, and a substantially ring-shaped rotating body attached to the surface of the attaching/detaching portion main body 11 on the gripping portion 20 side. 12, a first rotating shaft 13 that rotatably connects the rotating body 12 to the detachable body 11, and a second rotating shaft 14 that rotatably connects the gripping portion 20 to the rotating body 12. It is mainly composed of.

As shown in FIG. 4, a first rotating shaft 13 is fitted through the center of the attaching/detaching portion main body 11 on the surface of the attaching/detaching portion main body 11 opposite to the rotating body 12 side. Further, the permanent magnet 15 and the elastic ring 16 are fitted in a position surrounding the first rotating shaft 13.
The permanent magnet 15 is a ring-shaped ferrite magnet, and is housed inside the attachment/detachment portion main body 11 in a state of being sandwiched by a rubber elastic ring 16.
The surfaces of the attachment/detachment part body 11, the first rotating shaft 13, the permanent magnet 15, and the elastic ring 16 are formed to be substantially flush with each other.

As shown in FIG. 4, the first rotating shaft 13 and the elastic ring 17 are fitted in the central portion of the rotating body 12 so as to penetrate therethrough.
A pair of shaft holes is formed on the outer surface of the rotating body 12, and the second rotating shaft 14 is fitted into the shaft holes as shown in FIG.
The rotating body 12 is sandwiched between the attaching/detaching portion main body 11 and the shaft nut 18 in a state in which the first rotating shaft 13 is pivotally supported.
A sliding member 19 (for example, a thrust washer) for enhancing slidability of the rotating body 12 is provided between the attaching/detaching portion main body 11 and the rotating body 12 and between the rotating body 12 and the shaft nut 18, respectively. It is installed.

As shown in FIGS. 2 and 3, the grip portion 20 is a portion for a worker to grip, and includes a grip portion main body 21 that extends in a predetermined direction from the panel attaching/detaching portion 10, and a grip portion main body 21. It is mainly configured by an attachment body 22 provided at the other end portion on the opposite side to the one end portion on the panel attaching/detaching portion 10 side.
The attachment body 22 is rotatably connected to the other end of the grip portion main body 21 via a third rotation shaft 23.
Further, when the fastening member (for example, fastening bolt) (not shown) is fastened in the central portion of the mounting body 22 so as to penetrate in a direction intersecting (orthogonal to) the axial direction of the third rotating shaft 23, A fastening hole 24 used for is formed.

In the above structure, as shown in FIGS. 1 and 3, at least a part of the second rotating shaft 14 is located at a position overlapping the detachable portion main body 11 of the panel detachable portion 10 in the extending direction of the first rotatable shaft. It is arranged.
Therefore, the panel retractor 1 has improved operability for the operator.
Specifically, for example, when the second rotating shaft 14 is arranged at a position that does not overlap the panel attaching/detaching portion 10 in the extending direction (the position where the gripping portion 20 is eccentric to the panel attaching/detaching portion 10). If it is attached so as to swing around, the panel retraction tool 1 may come off from the building panel 30 at a place not intended by the operator.
On the other hand, with this configuration in consideration of the properties of the permanent magnets, it is possible to prevent the panel retraction tool 1 from being unintentionally disengaged from the building panel 30.

Further, in the above configuration, as shown in FIGS. 1 and 4, the first rotating shaft 13, the central portion of the panel attaching/detaching portion 10, and the central portion of the grip portion 20 are coaxial with each other in the projecting direction of the grip portion 20. It is placed in (is placed in the overlapping position).
Therefore, the panel retractor 1 has a configuration in which the property of the permanent magnet is further taken into consideration and the operability of the operator is further improved.

Further, in the above structure, as shown in FIG. 1, the fastening body 24 has a fastening hole 24 formed in the mounting body 22. Therefore, using the fastening holes 24, the work of assembling the building panel 30 to the building body 40 (for example, the work of bolting the fastening members 31a and 31b) can be achieved. Further, the panel pull-in tool 1 can be attached to the safety belt normally worn by the operator by using the fastening holes 24.

Next, a method of assembling the building panel 30 to the building body 40 using the panel retractor 1 will be described with reference to FIGS. 6 and 7.
First, an operator on the indoor side attaches the panel retractor 1 to the lower portion of the building panel 30 that has been lifted by a crane.
After the panel retractor 1 is attached, the worker retracts the lower portion of the building panel 30 toward the building body 40 while adjusting the rotational position of the grip 20 according to the work posture.
At this time, the building panel 30 can be temporarily fastened by inserting the pair of fastening members 31b at the lower end of the building panel 30 into the fastening holes in the fastening fittings 41 of the building body 40. The pair of fastening members 31b are preferably hook bolts.

Then, after temporarily fastening the lower end of the building panel 30, as shown in FIG. 7, the panel retraction tool 1 is attached to the upper portion of the building panel 30.
After mounting the panel pull-in tool 1, the worker pulls the upper portion of the building panel 30 toward the building body 40 while adjusting the turning position of the gripping portion 20 according to the work posture.
At this time, the pair of fastening members 31a at the upper end of the building panel 30 are inserted into the fastening holes in the fastening fittings 42 of the building body 40 and fastened with bolts and nuts, whereby the building panel 30 can be assembled. it can.
In addition, when fastening with a bolt nut, the fastening hole 24 of the panel pulling tool 1 can be used.

According to the above working method, when the building panel 30 is drawn toward the building body 40, the building panel 30 can be stably drawn in without being damaged.
Further, even when the previously completed (preset) building panel 30 is drawn in, it is possible to stably draw in the completed panel 30 without damaging the completed panel.
In addition, the operability of the operator can be significantly improved.

<Other embodiments>
In the above embodiment, as shown in FIGS. 6 and 7, the panel retracting tool 1 is used as an example of the building panel 30 to retract the outer wall panel toward the building body 40. It can be widely used without particular limitation.
For example, the panel retraction tool 1 may be used when retracting a construction panel such as a ceiling panel, a floor panel, an inner wall panel, or a construction panel made of a steel frame member such as a beam.

Further, in the above-described embodiment, as shown in FIG. 5, a completed (preset) completed panel is used as an example of the building panel 30, but the invention is not particularly limited to the completed panel. It is possible. That is, any building panel having at least the panel frame 31 can be applied.

Further, in the above-described embodiment, as shown in FIG. 5, the panel attaching/detaching portion 20 is provided so as to simply abut on the back surface of the building panel 30, but the panel attaching/detaching portion 20 is elastic to the abutting surface of the panel attaching/detaching portion 20. An elastic member such as a high pad may be newly attached.
This makes it possible to prevent damage and breakage of the panel frame 31 and the heat insulating material 33 when the panel retractor 1 is attached to the building panel 30.

In the above embodiment, the construction panel retractor according to the present invention has been mainly described.
However, the above embodiment is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from the spirit of the invention, and it goes without saying that the present invention includes equivalents thereof.

1 Panel retractor (construction panel retractor)
10 panel attaching/detaching portion 11 attaching/detaching portion main body 12 rotating body 13 first rotating shaft (rotating shaft)
14 Second Rotation Shaft 15 Permanent Magnets 16 and 17 Elastic Ring 18 Shaft Nut 19 Sliding Member 20 Grip 21 Grip Main Body 22 Attachment 23 Third Rotation Shaft 24 Fastening Hole 30 Building Panel 31 Panel Frame 31a, 31b Fastening member 32 Finished surface material 33, 34 Heat insulating material 35 Spacer 40 Building body 41 Fastening metal fitting

Claims (6)

A building panel retractor used when retracting a building panel having a metal panel frame toward a building body,
A panel attaching/detaching portion detachably attached to the surface of the panel frame;
A gripping part which is provided so as to project from the panel attaching/detaching part toward the side opposite to the panel frame side and which can be gripped by a user;
The panel attaching/detaching portion has a permanent magnet, and is detachably attached to the surface of the panel frame by using the permanent magnet ,
A pivot shaft that rotatably connects the grip portion to the panel attaching/detaching portion,
The construction panel retraction tool , wherein the rotating shaft extends in a protruding direction of the grip portion . A building panel retractor used when retracting a building panel having a metal panel frame toward a building body,
A panel attaching/detaching portion detachably attached to the surface of the panel frame;
A gripping part which is provided so as to project from the panel attaching/detaching part toward the side opposite to the panel frame side and which can be gripped by a user;
The panel attaching/detaching portion has a permanent magnet, and is detachably attached to the surface of the panel frame by using the permanent magnet ,
A construction panel retraction tool, characterized in that a fastening hole used when fastening a fastening member is provided in a portion of the grip portion opposite to the panel attaching/detaching portion side . A pivot shaft that rotatably connects the grip portion to the panel attaching/detaching portion,
The construction panel retraction tool according to claim 2 , wherein the rotating shaft extends in a protruding direction of the grip portion. The construction panel retraction tool according to claim 1 or 3 , wherein the rotating shaft is arranged on an axis passing through the panel attaching/detaching portion in the protruding direction of the grip portion. The rotating shaft is a first rotating shaft,
A second rotation shaft that rotatably connects the grip portion to the panel attaching/detaching portion,
The construction panel retraction tool according to any one of claims 1, 3, and 4, wherein the second rotating shaft extends in an intersecting direction that intersects a protruding direction of the grip portion. The construction panel retractor according to claim 5 , wherein at least a part of the second rotating shaft is arranged at a position overlapping the panel attaching/detaching part in the extending direction of the first rotating shaft. Ingredient

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