JPH10147943A - Anchor bolt installation metal fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation metal fitting which can bury an anchor bolt for hold down metallic material on the correct position in a concrete foundation. SOLUTION: This anchor bolt installation metal fitting is bridged over the upper ends of formworks 3 for placing concrete at placing a concrete foundation, and temporarily fixes an anchor bolt 2 for hole down metal fitting to be buried in the concrete foundation. In this case, the anchor bolt installation metal fitting is provided with a base board part 11 bridged over the upper ends of the formworks 3 for placing concrete, a centering means 12 (or 12') provided on the base board part 11, cylindrical bodies 13 self-supported with supporting plates 11e, 13a continuously provided on the base board part 11 and insertedly holding anchor bolts 2, and fixing devices 14 fixing the base board part 11 to the formworks 3 for placing concrete capably of adjusting the position, and by conforming a through center line passing through the center of a pillar to the centering means 12, the cylindrical bodies 13 can be fixed on fixed positions.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anchor bolt mounting bracket, and more particularly to an anchor bolt mounting bracket capable of embedding an anchor bolt to which a hole-down hardware is mounted at a precise position in a concrete foundation.

[0002]

2. Description of the Related Art In recent years, wooden 3
Houses with improved land efficiency such as floors are attracting attention. In such a building, since the pull-out force applied to the columns on the first floor is particularly large, as shown in FIG. 4, the horizontal members 5 such as the base and the columns standing on the horizontal members 5 are used. Is firmly fixed to the column base of the vertical member 6 by using a metal called a hole-down metal 7. The horizontal member 5 is fixed on the foundation 4 by anchor bolts 2 ′ embedded in the foundation 4. The vertical member 6 is joined and fixed on the horizontal member 5 by tightening the hole-down metal member 7 fixed to the side surface and the anchor bolt 2 buried in the foundation 4.

[0003]

However, according to the above-mentioned method, the anchor bolt 2 is buried in the foundation 4 in advance, and thereafter the positioning of the horizontal member 5 and the vertical member 6 is performed accurately. If not, the foundation 4-the horizontal member 5
The vertical member 6 cannot be attached. For this reason,
The installation of the anchor bolt 2 requires accurate positioning, and there is a problem that the installation work is difficult and complicated.

Further, the anchor bolt 2 is connected to the foundation 4
When buried inside, a metal fitting 10 as shown in FIG. 5 may be used. The metal fitting 10 is provided with a clip 10 for holding the anchor bolt 2 at the center of a long metal plate.
a is formed, and is used by being bridged over the upper ends of the pair of molds 3 and 3 before or after the concrete is poured. The concrete is solidified in that state. However, according to the metal fitting 10, the anchor bolt 2 must be positioned (positioned to the center of the foundation width or the distance from the column) in advance from the water thread or the like indicating the pillar core. The work was difficult and complicated. In addition, the metal fitting 10
Is only hung over the upper ends of the formwork 3 and 3, so that the anchor bolt 2 may move or tilt before the concrete hardens, which is not always satisfactory. Did not.

[0005] Accordingly, an object of the present invention is to provide an anchor bolt installation metal fitting which can embed an anchor bolt to which a hole-down hardware is attached at a precise position in a concrete foundation.

[0006]

According to the first aspect of the present invention, there is provided a hole-down metal fitting which is laid over an upper end of a concrete casting form when a concrete foundation is cast and buried in the concrete foundation. An anchor bolt mounting bracket for temporarily fixing the anchor bolt of the above, wherein a base portion bridged over the upper end of the concrete casting formwork, a centering means provided on the base portion, and the base portion are connected to the base portion. A cylindrical body that inserts and holds the anchor bolts that are self-supporting by a support plate, and a fixing device that adjusts the position of the base portion to the concrete casting formwork so as to be adjustable; An anchor bolt installation characterized in that said anchoring means can be fixed at a predetermined position by combining said centering means. By providing a tool is obtained by achieving the above object.

According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a mounting bracket for anchor bolts, wherein a position of the cylindrical body with respect to the base is adjustable. .

[0008] The invention according to claim 3 is the invention according to claim 1 or 2.
In the invention described in the above, the base portion is composed of a plate-shaped portion and a rising portion of a square prism, and the cylindrical body is provided off a center of the pillar and provided on an arbitrary surface of the rising portion via a support plate. A mounting bracket for anchor bolts, characterized in that:

According to a fourth aspect of the present invention, in the first aspect of the present invention, the centering means is erected on two orthogonally passing cores passing through the center of the pillar. A mounting bracket for anchor bolts, comprising four detachable and self-supporting rods attached to a rising portion.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the centering means has a plate shape so that the core and the column core can be aligned as described above. An opening or an engraved mark is provided at the four end portions of the portion, and a mounting bracket for anchor bolts.

According to a sixth aspect of the present invention, there is provided an anchor bolt mounting bracket according to any one of the first to fifth aspects, wherein the center of the base is an opening.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the anchor bolt mounting bracket of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the present embodiment in use, and FIG.
2A is a plan view of the present embodiment, and FIG. 2B is a side view of the present embodiment.

Mounting bracket 1 for anchor bolt according to this embodiment
Is a concrete foundation 4 (FIG. 4) as shown in FIG.
(See FIG. 4), the anchor bolts 2 for the hole-down metal fittings 7 (see FIG. 4) that are laid over the upper ends of the concrete casting forms 3 and 3 and buried in the concrete foundation 4 are temporarily fixed. In this respect, there is no difference from the conventional mounting bracket for anchor bolts as shown in FIG.

The mounting bracket 1 for anchor bolts according to the present embodiment comprises a base portion 11 which is bridged over the upper ends of the concrete casting forms 3 and 3, and a centering portion provided on the base portion 11. Means 12 and the anchor bolt 2 self-standing by supporting plates 11e and 13a connected to the base portion 11.
And a fixing device 14, 14 for fixing the position of the base portion 11 to the concrete casting forms 3, 3 so as to be adjustable. By aligning the centering means 12 with the passing core, the anchor bolt 2 held by the cylindrical body 13 can be fixed at a predetermined position.

Further, the mounting bracket 1 for anchor bolts of the present embodiment is configured such that the position of the cylindrical body 13 with respect to the base 11 can be adjusted. Further, the base portion 11 includes a plate portion 11a and a rising portion 11b of a square prism,
The rising portion 11b is displaced from the center of the column.
Are provided on support surfaces 11e and 13a on arbitrary surfaces. Further, the center of the base portion 11 is an opening.

Mounting bracket 1 for anchor bolts of this embodiment
Will be described in more detail. As described above, the anchor mounting bracket 1 of the present embodiment has the base 11, the centering means 12, 12,..., The cylindrical body 13, and the fixing devices 14, 14,. .

As shown in FIG. 2, the base portion 11 is a square plate-like portion 11 having an opening formed in the center.
a and the frame-shaped rising portion 11b vertically raised from the opening edge of the opening. The above plate-shaped part 11
The fixing devices 14 are attached to the four corners of a. Each fixing device 14 is an L-shaped member, one end of which is fixed to each of the four corners of the plate-like portion 11a, and the other end of which is screwed. Two of the four screws are opposed to each other. The fixing devices 14, 14,... Can be selectively attached to the base 4 in an arbitrary direction in a place where the base 4 is orthogonal, as long as the fixing device 14, 14. .

In the vicinity of the fixing devices 14, 14,..., Nail holes 11d, 11d,. Two holes are perforated. Further, a portion of the plate-shaped portion 11a located below the cylinders 13, 13 to be described later is notched, and the anchor bolt 2 inserted into the cylinders 13, 13 is attached to the plate-shaped portion 11a. It is made so that it does not abut.

The opening opening at the center of the base 11 has a square smaller than the base 11 itself, and the rising portion 11b standing upright from the opening edge of the opening is , Are formed in a square frame shape. The opening and the rising portion 11b are simulated in the cross-sectional shape of the vertical member 6 (see FIG. 4) such as a pillar, and the anchor bolt installation metal fitting 1 is temporarily installed on the mold frames 3, 3. At this time, the positional relationship with the vertical member 6 installed thereafter is made clear. However, since the alignment between the anchor bolt installation bracket 1 and the center of the vertical member 6 is performed by the positioning rods 12, 12,..., The shapes of the opening and the rising portion 11b are vertical. It does not necessarily have to be equal to the cross-sectional shape of the material 6.

Connecting pieces 11e, 11e for fixing the cylindrical bodies 13, 13 are respectively connected to two parallel outer surfaces of the rising portion 11b outward. The connecting pieces 11e, 11e are provided with the cylindrical bodies 13, 1 respectively.
One fixing hole for fixing each of the holes 3 is formed. Further, on the inner side surface of the rising portion 11b, the centering means 12, 12,.
. Are formed for attaching... The mounting portions 11c, 11c ...
Has a tubular shape having an inner diameter such that the centering means 12, 12,... Can be fitted and fixed.

In the present embodiment, the centering means 12, 12 is provided with the above-mentioned mounting portions 11c, 11c.
It is a rod-shaped member that is fitted and fixed in the frame. The centering means 1
Preferably, 2 and 12 are formed of a material that does not easily bend, such as a metal. Further, the centering means 12, 12 is provided with the mounting portions 11e, 11e.
It is supposed to be removable. In the present embodiment, other centering means 12 ', 12',... Are formed as diamond-shaped openings in the center of each side of the plate-shaped portion 11a.

The cylindrical bodies 13, 13 have an inner diameter slightly larger than the outer diameter of the anchor bolt 2 to be inserted, and are mounted such that their lower ends are located on the upper surface of the plate-like portion 11a. I have. The cylindrical bodies 13 have a certain length to prevent the inserted anchor bolts 2 from swaying, so that the anchor bolts 2 do not tilt during the installation of the foundation 4. It is. Also, on the lower side surface of the cylindrical body 13, 13, the connection piece 11 e, 1
Connected pieces 13a, 13a that are connected and fixed to 1e are formed laterally, respectively. And the connection piece 1
The support plate is formed by 1e and the connected piece 13a.

The connection pieces 13a, 13a are provided with fixing holes for arranging the cylinders 13, 13 at a predetermined distance from a pillar when connected and fixed to the connection pieces 11e, 11e. I have. In the case of the present embodiment, the two fixing holes are perforated so as to correspond to two types of columns having different cross sections. The fixing piece 11e and the fixed piece 13a are bolted into their fixing holes.
A nut is attached and fixed to each other, and as a result, the cylindrical body 13 is fixed to the rising portion 11b.

Note that, in the anchor bolt mounting bracket 1 of the present embodiment, the cylindrical bodies 13, 13 are connected to the base portion 11.
Is attached to one side from the center line of the anchor bolt, but this is because other members such as braces are arranged adjacent to the anchor bolt 2 installed by the anchor bolt installation bracket 1. Is considered. Assuming that no other member is arranged adjacent to the anchor bolt 2 to be installed, an anchor bolt installation metal fitting in which the cylindrical bodies 13 and 13 are arranged on the center line of the base portion 11 is prepared. Needless to say, it is good. Further, in the anchor bolt mounting bracket 1 of the present embodiment, if the base portion 11 is rotated by 180 °, the cylindrical bodies 13 and 1 are rotated.
3, the offset side of the anchor bolt 2 can be changed.

Next, a procedure for installing the anchor bolt 2 using the anchor bolt mounting bracket 1 of the present embodiment will be briefly described with reference to FIG. First, the basics 4
As shown in FIG. 4, the above-mentioned water strings 8, 8 indicating the core of the building to be constructed are generally used.
Is installed. Then, the center of the vertical member 6 (see FIG. 4) is located by the position where the water threads 8, 8 intersect. Next, the molds 3 and 3 for placing the foundation 4 are installed as usual.

The anchor bolt mounting bracket 1 is erected on the upper ends of the molds 3 and 3 arranged opposite to each other. At this time, the centering means 12, 12,... And the water threads 8, 8 are brought into contact with each other. By doing so, the center of the anchor bolt installation metal fitting 1 coincides with the center of the vertical member 6 installed thereafter. If the upper surfaces of the molds 3 and 3 are blackened to indicate the center of the vertical member 6, the blacking is performed by the centering means 1.
By combining with 2 ′, 12 ′,..., The center of the anchor bolt installation metal fitting 1 coincides with the center of the vertical member 6 installed thereafter. In this manner, the rod-shaped centering means 12 and the centering means 12 'as an opening can be selectively used depending on the situation.

Since the positions of the cylinders 13 and 13 are previously determined at predetermined positions with respect to the anchor bolt mounting bracket 1 itself, the anchor bolts 2 inserted into the cylinders 13 and 13 are used. Is positioned at an accurate position with respect to the center of the vertical member 6. Needless to say, the anchor bolt installation hardware is reused.

In this state, the fixing devices 14, 14,...
Screw from the side to fix the anchor bolt mounting bracket 1 to the molds 3 and 3. The above formwork 3,
When 3 is made of wood, it is also possible to drive nails into the nail holes 11d and fix them. The anchor bolt 2 is inserted into the cylindrical body 13 from below, and a nut is screwed to an upper portion thereof. By adjusting the amount of screwing of the nut, the vertical position of the anchor bolt 2 is adjusted. Although the anchor bolt installation metal fitting 1 of the present embodiment has the two cylindrical bodies 13, the anchor bolts 2 are not necessarily inserted into these two and used. Only one or both are used. Thereafter, concrete is poured between the molds 3 and 3 and when the concrete hardens, the anchor bolts 2 are accurately embedded at predetermined positions in the foundation 4.

[0029] Anchor bolt mounting bracket 1 of the present embodiment.
Is configured as described above, and the centering means 12,
When the center of the vertical member 12 is the center of the vertical member, the cylindrical body 1
The base 11, the centering means 12,..., And the cylindrical body 13 are arranged so that the position of the anchor bolt 2 is located at the position 3.
2, 12,..., The center of the vertical member and the center of the anchor bolt installation bracket 1 can be easily aligned from the water threads 8, 8. Alternatively, the centering means 12 ′, 12 ′,.
The center and the center can be easily aligned.

For this reason, according to the anchor bolt mounting bracket 1 of the present embodiment, the anchor bolt 2 to which the hole-down metal fitting is attached can be buried at an accurate position in the foundation 4 to be cast. . Further, the fixing devices 14, 14,... Do not move the anchor bolt installation metal fitting 1, that is, the anchor bolt 2, during the casting of concrete.

Further, according to the anchor mounting bracket 1 of the present embodiment, since the position of the cylindrical body 13 with respect to the base 11 is adjustable, it is possible to cope with the vertical members having different cross sections. it can. Furthermore, according to the anchor bolt mounting bracket 1 of the present embodiment, the cylindrical body 13
Is provided off the center of the pillar and on any surface of the rising portion 11b, so that the reinforcing bars installed on the core of the foundation are avoided, and the anchor bolts are used for the structural material of the building above the base, Contact can be avoided. Furthermore, since the rod-shaped centering means 12, 12,... Are detachable, if the centering means 12, 12,.
Even if the is bent, it can be easily replaced and stored when not in use. Since the central portion of the plate-shaped portion 11a serves as an opening, the workability can be improved and the weight can be reduced.

FIG. 3 shows a second embodiment of the anchor mounting bracket of the present invention. The anchor bolt mounting bracket 1 'of the present embodiment has a configuration similar to the anchor bolt mounting bracket 1 of the above-described first embodiment, and is similar to the anchor bolt mounting bracket 1 of the above-described first embodiment. The same components are denoted by the same reference numerals, and detailed description thereof will be omitted. Hereinafter, components different from the anchor bolt installation fitting 1 of the above-described first embodiment will be described in detail.

[0033] Anchor bolt mounting bracket 1 'of the present embodiment.
In, the base portion 11 is formed only of a plate-like portion having no portion corresponding to the rising portion in the first embodiment. The centering means 12′12 ′... Are formed in the base portion 11 as rhombic openings as in the first embodiment, but outside thereof, that is, the periphery of the base portion 11 is formed. Other centering means 12 ", 12",... Are formed at the center of each side as inscriptions.

In this embodiment, support plate mounting holes 11f are formed on both sides of the centering means 12 '. A support plate 13b is horizontally coupled to the lower end of the cylindrical body 13,
The support plate 13b is provided with the support plate mounting holes 11f, 11f.
A long hole corresponding to .. is formed. In the present embodiment, the support plate 13b side is a long hole, but the support plate mounting holes 11f may be formed in a long hole shape. The cylindrical body 13 is fixed to any of the support plate mounting holes 11f via the support plate 13b. At this time, the position of the cylindrical body 13 with respect to the base portion 11 can be adjusted according to the first embodiment. This is the same as the anchor bolt mounting bracket 1 described above. The anchor bolt mounting bracket 1 'of the present embodiment has the same effects as those of the anchor bolt mounting bracket 1 of the first embodiment described above.

The anchor mounting bracket of the present invention is not limited to the above embodiment. For example, in the above-described embodiment, two fixing holes are formed in the connected piece 13a in order to correspond to the vertical members 6 having different thicknesses. However, two fixing holes are not formed in this way. In addition, two fixing holes (or long holes) corresponding to vertical members having different thicknesses may be formed on the connection piece 11e side, not on the connection piece 13a side. You may let it.
Other points can be appropriately changed without departing from the spirit of the present invention.

[0036]

According to the anchor bolt mounting bracket of the present invention, the anchor bolt to which the hole-down metal is attached can be buried at a precise position in the concrete foundation.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of an anchor bolt mounting bracket according to the present invention in a used state.

FIG. 2 is a (a) plan view and (b) a side view showing a first embodiment of an anchor bolt mounting bracket of the present invention.

FIG. 3 is a perspective view of a second embodiment of an anchor bolt mounting bracket of the present invention in use.

FIG. 4 is a perspective view showing a state in which a vertical member and a horizontal member are tightened by a hole-down hardware.

FIG. 5 is a perspective view showing a conventional mounting bracket for anchor bolts.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Anchor bolt installation bracket 11 Base part 11a Plate part 11b Standing part 11e Connection piece (support plate) 12, 12 ', 12 "Centering means 13 Cylindrical body 13a Connected piece (support plate) 13b Support plate 14 Fixing device 2 Anchor bolt 3 (for concrete casting) Formwork 4 Foundation 5 Horizontal member 6 Vertical member 7 Hole down hardware

Claims (6)

[Claims] An anchor bolt installation bracket for temporarily fixing an anchor bolt for a hole-down hardware laid over an upper end of a concrete casting form when a concrete foundation is cast, and embedded in the concrete foundation. Inserting and holding the anchor bolt, which is self-supported by a base part bridged over the upper end of the concrete casting formwork, a centering means provided on the base part, and a support plate connected to the base part. A cylindrical body to be placed, and a fixing device for fixing the base portion to the concrete casting mold so as to be position-adjustable, and by aligning the centering means with a core passing through the center of the pillar, An anchor bolt installation metal fitting, wherein the held anchor bolt can be fixed at a predetermined position. 2. The anchor bolt mounting bracket according to claim 1, wherein a position of the cylindrical body with respect to the base is adjustable. 3. The base portion comprises a plate-shaped portion and a rising portion of a square pillar, and the cylindrical body is provided off the center of the pillar and on an arbitrary surface of the rising portion via a support plate. 3. The anchor bolt installation bracket according to 1 or 2. 4. The centering means comprises four rods which are erected on two orthogonal passing cores passing through the center of the pillar, are detachably mounted on the rising portions, and are detachable. 1-3
An anchor bolt installation metal according to any one of the above. 5. The plate according to claim 1, wherein said centering means is provided with an opening or a stamp at each of four end portions of said plate-shaped portion so that said core can be aligned with said column core. An anchor bolt installation bracket according to any one of the above. 6. The anchor bolt installation bracket according to claim 1, wherein the base has a central opening.