JPH0241238Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a foundation formwork alignment jig that can firmly attach long materials such as end pieces and is useful for aligning foundation forms.

[Background technology]

In recent years, the formwork that forms the rising part of a cloth foundation has been
As schematically shown in FIG. 4, it is formed by juxtaposing standardized steel basic formworks A each having flanges b at both ends of a base plate part a. In addition, in order to connect the foundation formworks A and A, a connection is made by providing a U-shaped piece d that locks the adjacent flanges b and b by rotation on the base rod c that passes through the adjacent flanges b and b. Metal fitting e is used.

On the other hand, in order to form a cloth foundation with high precision, it is necessary to align the foundation formwork A, that is, to draw it out.
are installed using the foundation formwork alignment jig g.

However, in the conventional foundation formwork alignment jig g, an L-shaped receiving piece i is provided on the base h that fits into the base rod c of the upper and lower connecting fittings e, and the long material f is held by the receiving piece i. Since the base formwork alignment jig g has a spring property and deforms due to its base h and receiving piece g,
The holding strength of the long material f was poor, and it was difficult to accurately move the foundation formwork, resulting in poor construction efficiency.

[Purpose of invention]

The present invention is based on the use of a pair of side pieces placed on both sides of the flange of the foundation formwork, which can firmly hold long materials, improve the alignment accuracy of the foundation formwork, and improve construction efficiency. The purpose is to provide a formwork alignment jig.

[Disclosure of invention]

An embodiment of the present invention will be described below with reference to the drawings, taking as an example a case in which it is used in a formwork 2 that forms a rising part of a cloth foundation that intersects at right angles.

In the figure, the foundation formwork alignment jig 1 has a pair of side pieces 5, 5 arranged on each side of the adjacent flanges 3, 4 of the foundation formwork 2 arranged side by side, with a stand for attaching the elongated material 8. In addition to providing the pieces 6, 6, the side pieces 5, 5 are connected by a joint piece 7, and the joint piece 7 has a
An extension 10 is formed with a locking hole 9 for locking the tie rod T.

As described above, the foundation formwork 2 can form the rising part of the cloth foundation, and the foundation formwork 21 that forms the footing part of the cloth foundation is placed below it.

The foundation formwork 2 includes a flat foundation formwork 2A that forms a passageway for the cloth foundation, and L-shaped foundation formworks 2B1 and 2B2 arranged on the outside and inside of the corner parts, and The formwork 2A is provided with flanges 24 and 25 having inwardly directed lips 26 and 26 at right angles on the upper and lower sides of a base plate 23 forming a concrete pouring surface, and flanges 24 and 25 having inwardly directed lips 26 and 26 at the outer ends thereof are provided at right angles. The flanges 3 and 4 are made of long strips of the same width that fit together.
form.

Further, the flange 3 has a connecting fitting 11, and a support piece 30 which is placed opposite to the flange 3 with a gap between the sides thereof.
Install 11 on top and bottom. The connecting fitting 11 passes through the flange 3 and the support piece 30, and is attached to the base rod 12 that slides horizontally in parallel with the base plate part 23.
A U-shaped portion is provided at the tip between the supporting piece 30.
A character piece 31 is provided protrudingly. Note that the connecting fitting 11 is
By moving the U-shaped piece 31, it can fit into the through hole 32 provided in the flange 4, and by rotating the U-shaped piece 31, the adjacent flanges 3 and 4 are sandwiched and the base form 2 is connected.

Note that the base forms 2B1 and 2B2 have the same configuration except that the base plate portion 23 is bent at a right angle.

The basic formwork 21 is made of a long channel member with outward flanges 35 and 36 provided on the top and bottom of a base plate part 34, and the basic formwork 2 is attached to the basic formwork 21 through a receiving metal fitting 37. It is placed on the table. The receiving fitting 37 has downwardly open U-shaped portions 39, 39 on both sides of the connecting piece 40 into which the flanges 35 are fitted, and the connecting piece 40 has a lip 26 at the outer end of the flanges 25, 25. A projecting piece 41 for positioning is provided, and by placing the lip 26 along the receiving piece 41, the base forms 2, 2 can be extended. Incidentally, a connecting fitting 43 is attached to the upper end of the basic formwork 2, and includes downwardly open U-shaped portions 45, 45 on both sides of the connecting piece 44, into which the flanges 24 are fitted.

The side pieces 5, 5 are made of a rectangular flat plate, and a U-shaped groove-shaped recess 14 into which the base rod 12 is fitted is formed on the lower surface of the tip end thereof.
As schematically shown in FIG. 3, they are arranged on each side of the flanges 3 and 4, sandwiching the U-shaped piece 31 of the connecting fitting 11.

Further, on the rear upper surfaces of the side pieces 5, 5, when the base rod 12 is fitted into the recess 14, there is a gap between the outer surfaces 3A, 4A of the flanges 3, 4 and the inner surfaces 6A facing each other. The vertical pieces 6, 6 are provided to protrude at right angles, separating each other by a size that allows the elongated material 8 to be inserted relatively densely. Note that the upper ends of the vertical pieces 6, 6 have inner surfaces 6
The upper end of A is provided with notched guide portions 6B, 6B.

The sides 5, 5 are connected by the joint piece 7 as described above. The joint piece 7 connects the side pieces 5, 5 to the U-shaped piece 31.
It is a rectangular plate that connects the side pieces 5, 5 so that it is located on both sides of the plate, and the inner end 7A of the plate is such that the base rod 12 is connected to the concave portion 1.
4, it almost contacts the outer surfaces 3A, 4A of the flanges 3, 4 and supports the side pieces 5, 5 at right angles to the base form 2, while the joint piece 7 is extended outward and its A locking hole 9 is formed in the extension part 10.

The tie rod T includes shaft rods 49 and 50 each having a locking portion 47 that fits into the locking hole 9, a right-hand thread,
It is provided with a turnbuckle 51 that engages with a left-hand thread.

By connecting the flanges 3 and 4 of the foundation forms 2 and 21 using the receiving fittings 37 and the connecting fittings 43 and the connecting fittings 11, a form for forming a cloth foundation can be temporarily assembled. Furthermore, by fixing the connecting fitting 11, the base rod 12 protrudes from the other flange 4.

The basic formwork alignment jig 1 has on both sides of the U-shaped piece 31,
One side piece 5 is fitted between the flange 3 and the support piece 30, and the other side piece 5 is fitted into the concave portion 14 of the protrusion of the base rod 12, respectively. By fitting, the side pieces 5 become vertical. In addition, a long material 8 made of a square steel pipe or the like is attached to the outer surfaces 3A, 4A of the flanges 3, 4 and the inner surface 6A of the vertical piece 6.
and the adjacent foundation formwork alignment jig 1 is pushed in between them. Since the long material 8 is firmly held between the upright piece 6 and the flanges 3 and 4 and straddles the foundation formwork 2 which is juxtaposed, the foundation formwork 2 can be forcibly aligned and pulled out, improving assembly accuracy. will improve. Also, the basic formwork alignment jigs 1, 1 face each other across the corner part.
The tie rod T is attached to the locking holes 9, 9 to improve the perpendicularity accuracy and the strength of the corner portion, and to prevent the foundation formwork 2 from swaying.

[Effect of idea]

In this way, the basic formwork alignment jig of the present invention has a pair of side pieces each having an upright piece connected by a joint piece, and the side pieces are arranged on each side of adjacent flanges of the basic formwork. Moreover, it is secured to a connecting fitting that passes through the flange, and therefore, its rigidity is improved compared to the one that straddles the upper and lower connecting fittings shown in FIG. Further, since the elongated material for formwork correction is firmly held between the two upright pieces provided on each side piece and the outer surface of the flange, the basic formwork can be forcibly corrected. In addition, the basic formwork alignment jig only needs to attach its recessed portion to one connecting metal fitting, and together with the improvement of installation accuracy and correction effect, it can have many effects such as improving construction efficiency.

The basic formwork alignment jig of the present invention can be made of various types as long as they have base rods as metal fittings, and can also be provided with flanges and ribs on the side pieces and vertical pieces to increase their rigidity. It can be transformed into various forms.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the present invention together with its usage state, Fig. 2 is an enlarged perspective view, Fig. 3 is a sectional view schematically showing the installed state, and Fig. 4 is a conventional foundation formwork arrangement. FIG. 2 is a perspective view illustrating a jig. 2, 2A, 2B1, 2B2...Foundation formwork, 3,
4...Flange, 5...Side piece, 6...Vertical piece, 7...
... joint piece, 8 ... long material, 9 ... locking hole, 10 ...
...extension part, 11...connection fitting, 12...base rod.

Claims (1)

[Claims for Utility Model Registration] (1) A connecting fitting having a base rod that passes through adjacent flanges of the ends of the foundation formwork that are juxtaposed, each side of the flange having a recess into which the base rod is inserted. A pair of side pieces arranged on the flange are provided with a protruding piece for fitting a long material for aligning the foundation formwork between the outer surface of the flange, and the side pieces are connected by a joint piece. Foundation formwork alignment jig. (2) The utility model registration claim 1 is characterized in that the joint piece extends outward beyond the side piece, and a locking hole for locking the tie rod is provided in the extended portion. Foundation formwork alignment jig.