JP2807121B2 - Jig for anchor bolt position confirmation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig used for confirming the position of an anchor bolt buried in a foundation of a building or the like and performing reconfirmation after correction.

[0002]

2. Description of the Related Art In the foundation work of a building, it is checked whether the position and posture of the anchor bolts buried in the foundation are in accordance with the design drawings. The misalignment is corrected. Conventionally, in order to confirm and correct the position of the anchor bolt, first, as shown in FIG. 16, a foundation ink 42, 43 is hit on a concrete foundation 41, and a distance S from the ink 42, 43 to the center of the anchor bolt 44 is specified. After the position is determined by the gold 45 (or scale), a hammer 46 or the like is used to suspend around the anchor bolt 44 that is misaligned, and a nut 48 is screwed into the anchor bolt 44 as shown in FIG. Pipe (gas pipe) 49 to the outside, correct the position,
The position is confirmed by 45, and the above-described correction and confirmation operations are repeated until the position can be corrected to an appropriate position.

[0003]

However, in the prior art, there is a problem that it takes a considerable amount of time to correct and confirm the misalignment of the anchor bolt, and the efficiency is extremely low. SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and an object of the present invention is to provide an anchor bolt position confirmation jig which can easily and efficiently perform the anchor bolt position confirmation and correction work. To be.

[0004]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, the present invention relates to a jig used to confirm the position of an anchor bolt 9 buried in a foundation.
A reference hole 4 through which the anchor bolt 9 can be inserted is provided.
At least one end surface of the jig body 1
A reference plane 2 for positioning is formed, and
The bolt 1 has a deletion 5 that can protrude above the jig body 1.
And the anchor corresponding to the center of the reference hole 4.
The jig body 1 is provided with a centering mark 3 for a bolt 9 and water line hooking members 7 and 24 are arranged at the position of the reference hole 4 .

[0005]

When confirming and correcting the position of the anchor bolts buried in the foundation using the jig according to the present invention, first, the top side is rubbed with mortar black ink on the side of the foundation, and the base side is polished. After hitting the escape black (black for position confirmation) at the position corresponding to the reference plane of the jig body, place it on each corner or intersection of the foundation, adjust the level, position it, and fix it to the anchor bolt. Then, a water thread is stretched between the water thread retaining members of each jig (each way).

Since this water thread passes above the center of each anchor bolt, the misalignment of each anchor bolt in the base width direction can be confirmed at a glance, and the misaligned anchor bolt can be corrected while looking at the water thread. . In addition, the spacing of each type of anchor bolt is confirmed by a scale (steel tape measure). When positioning the jig, the centering mark can be used to accurately confirm the anchor bolt position.If there is any misalignment of the anchor bolt inserted into the bolt hole of the jig body, use a finger metal, scale, etc. Instead, position correction and reconfirmation are performed while looking at the centering mark and the reference plane.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention. A jig body 1 is obtained by cutting a plate material into a T-shape. Each end width W is the same and is smaller than a base width. The longest end surface of is the reference surface 2 and the centering mark 3
Are provided, and straight lines L1, L connecting the opposed centering marks 3, 3 are provided.
2 are provided with bolt holes (deleted portions) 4,5, the bolt hole 4 provided at the intersection of both straight lines L1, L2 is a reference bolt hole, and the bolt pitch is a standard design dimension.

A substantially key-shaped handle 6 is fixed on the upper surface of the jig main body 1 so that the center of the horizontal portion 6A passes directly above the center of the reference bolt hole 4. A rod-shaped hooking member with a center just above the center of 4.
7 (approximately the same diameter as the anchor bolt diameter) is projected downward, and a horizontal retaining circumferential groove 8 is formed in the member 7 so that the handle 6 can be carried and handled easily by hand. It has become.

The position of the lower end of the water line hooking member 7 is set so that the upper end of the anchor bolt 9 does not come into contact, and the height H1 of the water line 10 is, as shown in FIG. The height of the anchor bolt 9 can be confirmed by measuring the distance between the water thread 10 and the upper end of the anchor bolt 9 by a predetermined amount H3 (for example, about 2 cm) higher than the height H2 of the anchor bolt 9. I have.

When the position of the anchor bolt 9 is confirmed by using the jig of the first embodiment, first, as shown in FIG. Then, as shown in FIG. 4, a relief ink 13 for confirming the anchor bolt position is hit on the top end 11B of the foundation 11. The position of the relief ink 13 is half the width W of the jig body 1 at a distance W / 2 from the center of the anchor bolt 9 to the outside in the width direction.

Next, the jig main body 1 is mounted on the corners and intersections of the foundation 11 in accordance with the anchor bolts 9, the level is adjusted using the top leveling mortar ink 12, and the centering mark 3 is formed. Then, the jig body 1 is positioned using the relief ink 13, that is, as shown in FIG.
Make the reference surface 2 coincide with the hit ink 13
Position the jig body 1 and tighten the bolt holes on the jig body 1.
If there is any misalignment of the anchor bolt 9 inserted in 4,5,
The position around the anchor bolt 9 is suspended by a hammer in the same manner as in the prior art, and the position (or the posture such as the inclination) is corrected using a correction tool (described later) such as a pipe.

When the positioning of the jig body 1 is completed in this manner, the jig body 1 is fixed to the anchor bolt 9 by the nut 14.
After fixing to the foundation 11 through the
8, a water thread 10 is fixed and stretched between the jig bodies 1 and 1 (see FIGS. 5 and 6). And anchor bolt for water thread 10
By looking at the position 9, the position of the anchor bolt 9 in the base width direction can be checked at a glance as shown in FIG. 7. It can be done while watching the yarn.

The pitch interval, displacement and the like of the anchor bolt 9 in each direction can be confirmed by fixing the scale 16 on the base top 11B with the scale fixing metal 15 as shown in FIG. . The protrusion height of the anchor bolt 9 can be checked by checking the distance from the water thread 10 to be within an allowable dimension. As shown in FIG. 8, the scale fixing bracket 15 is provided with a bent locking portion 17 and a locking tongue piece 18 at one end side of a band-plate-shaped metal fitting body 15A, and at the other end side. A bracket 19 is erected, and an eccentric roll 21 for fixing and pressing the scale is fixed to the bracket 19 via a horizontal support shaft 20, and a non-slip material 22 made of synthetic resin is provided on the outer periphery of the roll 21. At the same time, the operation lever 23 is fixed, and the scale 16 is pressed and fixed between the upper surface of the bracket main body 15A and the eccentric roll 21.

FIGS. 9 and 10 show a second embodiment of the present invention. The difference from the first embodiment is that instead of the water line hooking member 7 of the handle 6, a bolt-shaped water line hooking is provided. The member 24 is detachably fixed to the reference bolt hole 4 of the jig main body 1 by a nut 25 so as to protrude upward in a detachable manner, and the upper end portion of the member 24 is provided with a circumferential hooking groove 26. The second embodiment is:
It can be used in the same manner as in the first embodiment, and can be fixed to the anchor bolt 9 using the bolt hole 5 to confirm the position of the anchor bolt 9.

FIG. 11 shows a third embodiment of the present invention. The difference from the first embodiment is that the three ends of the jig body 1 are cut at the center of the bolt hole 5 and the half hole ( Deletion
Parts) is a 5A, a point in which a centering marks 3A to the half hole 5A in the periphery, the anchor in the same manner as in the first embodiment bolts 9
Can be confirmed. FIG. 12 shows a fourth embodiment of the present invention. The difference from the third embodiment is that a triangular centering notch (deletion) 5B is provided instead of the half hole 5A, and the corners thereof are centered marks. 3B, the position of the anchor bolt 9 can be confirmed in the same manner as in the third embodiment.

FIG. 13 shows a fifth embodiment of the present invention.
The difference from the embodiment is that the jig body 1 has an L shape, the two end faces of the outer long side are the reference plane 2, and the centering mark is provided.
3 is provided, and the position of the anchor bolt 9 can be confirmed in the same manner as in the first embodiment. FIG.
Indicates an anchor bolt correction tool, and the tool 27 is a nut hook portion 28 having a wrench-shaped tip.
9 is engaged with the nut, and the hook portion 28 is fitted to the nut. The position of the anchor bolt 9 can be corrected by pushing and bending the anchor bolt 9 with the handle portion 29.

FIG. 15 shows another example of the anchor bolt correcting tool 30, in which a female thread 31 which can be screwed into the thread of the anchor bolt 9 is provided at one end of the pipe 30A, and a hexagonal hole which is fitted to a nut at the other end. 32 is provided, and can be used properly according to the presence or absence of a nut. The present invention is not limited to the above embodiment. For example, the water line hooking member 7 in the fifth embodiment can be made detachable as in the second embodiment.

[0018]

According to the present invention, as described above, a jig used to verify the quality of the position of the anchor bolt 9 which is embedded in the foundation, the plate-shaped jig body 1, the anchor bolts
The jig body 1 is provided with a reference hole 4 through which the jig 9 can be inserted.
At least one reference surface 2 for positioning the jig body 1
Formed and the anchor bolt 1 is attached to the jig body 1
And a protruding deletion 5 is provided above the
The reference position centering mark 3 of the anchor bolt 9 provided corresponding to the holes 4 center, the jig main body 1, stringlines latch member
7, 24 are disposed at the position of the reference hole 4 , so that the position confirmation and the correction work of the anchor bolt can be performed easily and efficiently, and especially the correction in the base width direction. Does not require a finger or scale.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a central longitudinal sectional view of the first embodiment.

FIG. 3 is an explanatory view of use of the present invention showing a side surface of a foundation.

FIG. 4 is an explanatory view of use of the present invention showing a plane of a foundation.

FIG. 5 is a plan view showing a jig mounting state of the present invention.

FIG. 6 is a side view showing the same mounting state.

FIG. 7 is an explanatory view for confirming an anchor bolt position.

FIG. 8 is an enlarged side view of the scale fixing bracket.

FIG. 9 is a perspective view showing a second embodiment of the present invention.

FIG. 10 is a partially cutaway side view of FIG. 9;

FIG. 11 is a perspective view showing a third embodiment of the present invention.

FIG. 12 is a perspective view showing a fourth embodiment of the present invention.

FIG. 13 is a perspective view showing a fifth embodiment of the present invention.

FIG. 14 is a perspective view of an anchor bolt correction tool.

FIG. 15 is a longitudinal sectional view showing another example of the anchor bolt correcting tool.

FIG. 16 is an explanatory view of a conventional anchor bolt position checking operation.

FIG. 17 is an explanatory view of a position correcting operation of the anchor bolt.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Jig main body 2 Reference surface 3 Centering mark 4 Reference bolt hole 5 Bolt hole 7 Water line hooking member 9 Anchor bolt 10 Water line 11 Foundation 24 Water line hooking member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-14801 (JP, U) (58) Fields studied (Int. Cl. ⁶ , DB name) E04G 21/18 E02D 27/00

Claims (1)

(57) [Claims] 1. A jig used to check the position of an anchor bolt (9) embedded in a foundation, wherein the anchor bolt (9) can be inserted into a plate-shaped jig body (1).
The jig body (1) is provided with a functional reference hole (4).
Form a reference surface (2) for positioning the jig body (1) on one end surface
And the anchor bolt (9) is fixed to the jig body (1).
A protruding deletion (5) above the
Standard of the anchor bolt (9) corresponding to the center of the hole (4)
Position centering provided a mark (3), wherein the jig main body (1), stringlines latching member (7), an anchor, wherein a, is disposed in said reference hole (4) Position (24) Jig for bolt position confirmation.