JP2003247341A - Tie metal fitting for scaffolding of pc slab - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make it unnecessary to do finishing work on incomplete sections on a wall face by improving a tie metal fitting for scaffoldings used when erecting a scaffolding in an exterior wall, in construction of a building or after construction of a building. <P>SOLUTION: The tie metal fitting 1 for a PC slab is constituted of fixing members 3 provided in a joint 2 in the vertical direction of the PC slab and a tie member 4 fixing to the fixing member 3 and connecting to a standard 15 of a scaffolding. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding tie for use in, for example, assembling a scaffold on an outer wall during or after building a building.

[0002]

2. Description of the Related Art Conventionally, as a scaffold tie metal used for ensuring safety when assembling a scaffold near a PC (precast concrete) plate whose wall surface is finished, as shown in FIG. Part of the tiles and the like of the wall surface 11 in the PC plate 10 is repelled to make it useless, an anchor 12 or the like is driven therein, a wall connecting member 13 is attached to the anchor 12, and the wall connecting member 13 and the scaffold 14 are constructed. It is known that the frame 15 and the frame 15 are connected and fixed by a clamp 16.

After that, the scaffold 14 is disassembled, and the damaged portion 17 is repaired by repairing it by tile work.

[0004]

However, the above-mentioned P
In the method of supporting the scaffolding connecting member 13 from the wall surface 11 of the C plate 10, a useless portion 17 is generated on the finished surface of the outer wall, and the repair work of that portion is a numbered work of plastering and tile work, which is troublesome. There is a problem in that it is not easy to finish and does not look good in appearance. The scaffolding joint hardware according to the present invention is proposed in order to solve such a problem.

[0005]

Means for Solving the Problems The above-mentioned object of the present invention to solve the above-mentioned problems of a PC plate scaffolding joint hardware is PC
It is composed of a locking member provided at a joint portion in the up-and-down direction of the plate, and a connecting member which is locked to the locking member and is connected to the building frame of the scaffold.

The connecting member is provided so as to be swingable with respect to the locking member and is accommodated in a joint portion in the vertical direction when it is not connected to the scaffold; or, the connecting member is the locking member. The engaging portion to be engaged with is provided with a groove that can be pulled out in the horizontal direction and is detachable from the engaging member; and further, the engaging member is pre-inserted in the PC plate. It is a waste.

The PC version of the scaffolding joint hardware of the present invention is
By providing the locking member on the joint portion in the up-down direction of the PC plate, useless work on the outer wall portion can be prevented. Therefore, repair work such as repairing is not necessary, and the appearance is not impaired.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a scaffolding tie 1 for a PC plate according to the present invention will be described with reference to the drawings. In addition,
For easy understanding of the invention, the portions corresponding to the conventional example will be described with the same reference numerals as the conventional example.

As shown in FIGS. 1 and 2, the scaffolding joint hardware 1 is obtained by taking out the joint hardware from the joint portion 2 in the vertical direction of the PC plate 10 whose wall surface is finished.
The scaffold 14 is supported. That is, as an example, when the PC plate 10 is manufactured, the PC
On the upper end surface of the plate 10, for example, bolts 3 that are locking members that are embedded at a required depth and project at a required size are inserted at appropriate intervals at two locations.

As shown in FIG.
As shown in FIG. 3 to FIG. 3, the connecting member 4 is formed. The connecting member 4 is made of a flat plate-shaped metal (for example, steel,
It is a rectangular body made of iron. A through hole 4a for locking is provided at one end for locking the bolt 3, and a connecting member 5 fixed to the clamp 16 is provided at the opposite end (building frame 15 side). Is provided with a through hole 4b for locking.

As shown in FIG. 3 (B), the through hole 4a may be, for example, a round hole, or the connecting member 4 may be inserted horizontally from the outside with respect to the bolt 3 of the joint portion 2 so as to be locked. In order to obtain
The groove 4d is bent in a V shape so as to be detachable. Further, the connecting member 5 is also used for the through hole 4b.
As shown in FIG. 4 (B), the groove 4c is bent into an L-shape so that the bolt 7 used for connection with can be easily inserted from the side. Furthermore, depending on the case, when directly connecting to the building frame 15, it forms in the shape according to it.

After forming the connecting member 4, as shown in FIG. 3, the connecting member 4 is inserted into the through hole 4a within the thickness width of the PC plate 10, and the nut 6 is inserted.
To fasten and fix. The connecting member 4 is fixed to each of the two locations of the bolt 3 with a nut 6.

Connecting members 4, 4 are provided on the upper surface of the PC plate 10.
The thing which accommodated is attached to a building, and the scaffold 14 is assembled near the outer wall. Then, the connecting members 4, 4
Loosen the nuts 6 and 6 with a spanner or the like to rotate the nuts 6 and 6 so that one end (on the side of the building frame 15) is exposed. As shown in Figure 1,
It is bifurcated for strength.

Clamp 1 fixed to building frame 15 of scaffolding 14
The through hole 5a (not shown) in the connecting member 5 of 6 and the through hole 4b of the connecting members 4 and 4 are aligned in the vertical direction. Then, these through holes 4b, 4b, 5
The bolt 7 is inserted into b and the nuts 8 are screwed up and down and fastened and fixed. Further, the loosened nuts 6 and 6 are tightened.

Thus, the connecting member 4 is projected from the joint portion 2 in the vertical direction of the PC plate 10, and the scaffold 14 is formed.
Is to support. Then, an outer wall work is performed, the scaffold is disassembled, and the wall joint is disassembled.

The connecting member 4 is attached to the joint portion 2, the nut 6 is once loosened and rotated into the joint, and the nut 6 is fastened by a spanner or the like to be fixed and stored.
In FIG. 6, the flow of this series of operations is shown in step 1.
This is shown as (ST1) to step (ST6). As described above, the scaffolding joint hardware 1 according to the present invention prevents the PC plate 10 having the finished wall surface from being damaged.

As another embodiment, the connecting member on the upper surface of the PC plate 10 may be a single connecting member if there is no problem in strength. In addition, in the connecting member 4, the through hole 4a for engaging with the bolt 3 is L
When it is formed like a V-shaped groove 4d (see FIG. 3C), when the PC plate 10 is attached, or the upper and lower PC plates 10 are attached.
Even after attaching, the connecting member 4 can be inserted into the joint portion 2 and further locked to the bolt 3.

Further, only the bolt 3 is insert-molded on the upper surface of the PC plate 10, and when the PC plate 10 is attached,
The through hole 4a is inserted into the bolt 3 and the nut 6 is fastened, and the connecting member 4 is brought out of the joint and connected to the connecting member 5, as shown in FIG. After that, the upper PC version 1
You may make it attach 0. Furthermore, the inserted bolt 3 and the nut 6 screwed on the bolt 3 are provided on the upper surface of the PC plate 10, and after the upper and lower PC plates 10 have been attached, the connecting member 4 is inserted into the joint portion 2. Then, engage the bolt 3 from the side and tighten with the nut 6. In this way, the wall connecting member can be set.

As the bolt 3 on the upper surface of the PC plate 10, for example, as shown in FIG. 5, an insert metal piece 9 with an internal thread is embedded, the bolt 3 is screwed into the insert metal piece 9, and the nut 6a is used for bolting. 3 The position a at the upper end may be positioned so that it can be used for adjusting the gap a with the upper PC plate 10.

Since the connecting member 4 is housed in the joint portion 2 of the PC plate 10 in the vertical direction, the connecting member 4 can be pulled out from the joint portion 2 at any time thereafter.
It can be used as a support means such as the scaffold 14. In addition, the through hole 4a in the connecting member 4 is formed into the groove 4d.
When it is set, it is detachable from the locking part,
After removing from the bolt 3 which is the locking member, the L-shaped groove 4d can be inserted into the bolt 3 from the side and locked at any time.

[0021]

As described above, the PC according to the present invention
The scaffolding joint of the plate is composed of a locking member provided at a joint portion in the vertical direction of the PC plate, and a connecting member which is locked to the locking member and is connected to the building frame of the scaffolding. It has an excellent effect that uniform quality can be maintained without any damage.

Also, without any repair, when dismantling the scaffold,
This has an excellent effect that serial number work such as plastering work and tile work does not occur, there is no process loss and no labor is required.

The connecting member is provided so as to be swingable with respect to the locking member and is housed in the joint portion in the vertical direction when it is not connected to the scaffold, so that the connecting member can be pulled out anytime thereafter. It has an excellent effect that it can be used as a support member for scaffolding and the like. Further, the connecting member is provided with a groove that can be pulled out in the horizontal direction in the engaging portion to be engaged with the engaging member, and is detachably attached to the engaging member, so that the engaging member can be easily engaged with the engaging member at any time. be able to.

[Brief description of drawings]

FIG. 1 is a plan view of a PC plate according to the present invention in a used state of a scaffolding tie.

FIG. 2 is a front view of a cross-section of a part of a PC plate scaffolding tie according to the present invention in use.

FIG. 3 shows a PC version of the scaffold tie hardware of the present invention
A front view (A), a plan view (B), showing a state of being stored in a plate,
It is a partially enlarged plan view (C) in the case of forming an L-shaped groove 4d.

FIG. 4 is partial plan views (A) and (B) according to an example of the connecting member 4 and another example.

FIG. 5 is a front view according to another embodiment.

FIG. 6 is a flow chart diagram of a work procedure using the scaffold tie hardware of the PC version of the present invention.

FIG. 7 is an explanatory view showing an example using a wall tie according to a conventional example.

[Explanation of Codes] 1 scaffolding joint hardware, 2 joints, 3 bolts, 4 jointing members, 4a through hole, 4b
Through hole, 4c L-shaped groove, 4d
L-shaped groove, 5 connecting member, 6,6a nut, 7 bolt, 8
Nut, 9 insert hardware,
10 PC version, 11 wall surface,
12 anchors, 13 joining members, 14 scaffolds, 15
Building frame, 16 clamps.

Continued front page    (72) Inventor Hiroaki Ohara             2-2-15 Katamachi, Kanazawa, Ishikawa Prefecture Toda Construction Co., Ltd.             Ceremony Company Hokuriku Branch

Claims (4)

[Claims] 1. A PC plate comprising: a locking member provided at a joint portion in the vertical direction of the PC plate; and a connecting member which is locked to the locking member and is connected to a building frame of a scaffold. Scaffolding hardware. 2. The connecting member is provided so as to be swingable with respect to the locking member, and is accommodated in a joint portion in the vertical direction when it is not connected to the scaffolding. PC version of scaffolding hardware. 3. The connecting member is provided with a groove that can be pulled out in a horizontal direction in a locking portion that is locked to the locking member, and is detachable with respect to the locking member. The PC version of the scaffolding joint hardware described. 4. The scaffolding tie for a PC plate according to claim 1, wherein the locking member is previously inserted in the PC plate.