JP2000096575A - Anchor bolt bearing frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an anchor bolt bearing frame for eliminating constitutive members other than anchor bolts capable of interfering with reinforcing bars as many as possible in the anchor bolt bearing frame, and excellent in mounting stability and accuracy at a low cost. SOLUTION: A plurality of anchor bolt bearing members 27 are erected on a base 21, vertical anchor bolt bearing cylinders 29 are provided to the anchor bolt bearing members, J-type or L-type anchor bolts 31 are slidingly fitted to the insides of the anchor bolt bearing cylinders in the vertical direction and, at the same time, anchor bolt fixing devices 33 for fixing anchor bolts to the anchor bolt bearing cylinders at the required height are provided to the anchor bolt bearing cylinders. A splice plate 37 is mounted on the upper ends of the anchor bolts in a detachable manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anchor bolt supporting frame, and more particularly to an anchor bolt supporting frame for supporting a J-shaped or L-shaped anchor bolt for a column base in a steel structure. . J
As shown in FIG. 5, the anchor bolt of the mold refers to an anchor bolt formed by bending the lower end a into a substantially arc shape so as to form the entire body into a substantially J shape. As shown in FIG. 6, the L-shaped anchor bolt refers to an anchor bolt formed by bending a lower end b at a substantially right angle to form a substantially L-shape as a whole.

[0002]

2. Description of the Related Art FIG. 7 shows a known anchor bolt support frame. In this conventional anchor bolt support frame, a support column 3 is erected on a substrate 1, and an upper support plate 5 and a lower support plate 7 are mounted on the support column 3 in a horizontal direction. The lower support plate 7 and multiple J
The L-shaped anchor bolts 9, 9... Are vertically penetrated.

[0003]

A number of rebars are arranged vertically and horizontally at the installation position of the anchor bolt. Then
In the above-described conventional anchor bolt support frame, the support column 3 erected on the substrate 1 or the upper support plate 5 or the lower support plate 7 horizontally attached to the support column 3 interferes with the rebar and is arranged. Often it can hinder your muscles. In such a case, as a result of forcibly pushing the reinforcing bar when arranging the reinforcing bar, the anchor bolt supporting frame may be inclined. Incidentally, the anchor bolt itself may interfere with the reinforcing bar, but such interference must be avoided in advance by changing the arrangement position of the reinforcing bar. The present invention eliminates as much as possible the components other than the anchor bolts in the anchor bolt support frame that can interfere with the rebar, and further provides an inexpensive anchor bolt support frame with excellent mounting stability and accuracy. It was done in an attempt.

[0004]

In order to solve the above problems, the present invention provides the following anchor bolt support frame.

(1) A plurality of anchor bolt support members are erected on a base, and each anchor bolt support member is provided with a vertical anchor bolt support tube, and a J-shaped or a bolt is provided in the anchor bolt support tube. An L-shaped anchor bolt is slid vertically and the anchor bolt support cylinder is provided with anchor bolt fixing means for fixing the anchor bolt to the anchor bolt support cylinder at a desired height. An anchor bolt support frame (1), wherein an attachment plate is detachably attached to an upper end of the anchor bolt support frame.

(2) In the anchor bolt fixing means, a female screw hole is formed in the anchor bolt support cylinder so as to penetrate the anchor bolt support cylinder in and out, and a fixing tool engraved with a male screw is screwed into the female screw hole. Then, the anchor bolt is fixed to the anchor bolt support cylinder by pressing the side surface of the anchor bolt against the tip of the fixing tool (claim 2).

(3) In the anchor bolt fixing means, a through hole is formed in the anchor bolt support tube so as to penetrate the anchor bolt support tube in and out, and an outer surface of the anchor bolt support tube communicates with the through hole. A female screw member having a female screw hole is fixed, a fixing tool provided with a male screw is screwed into the female screw member, and the anchor bolt is fixed to the anchor bolt supporting cylinder by pressing the side surface of the anchor bolt to the tip of the fixing tool. (Claim 3).

[0008]

The anchor bolt supporting frame according to the first aspect of the present invention uses the anchor bolt supporting frame according to the first aspect as follows. That is, the base is discarded while the anchor bolts, which are slidably fitted to the anchor bolt support cylinder of the anchor bolt support member, are fixed to the anchor bolt support cylinder by the anchor bolt fixing means at a predetermined height and concrete is placed on concrete (see reference numeral 11). After fixing, a reinforcement work and a formwork work are performed, and concrete is cast to form a foundation (see reference numeral 12). At this time, the upper end of the anchor bolt and the auxiliary plate are exposed above the foundation. Subsequently, the mold is removed, backfilling is performed, and the attached plate of the anchor bolt support frame is removed. After a while, the pedestal (code 1)
3) is fixed to the upper end of the anchor bolt using a nut (17) or the like, and grout or mortar (19) is injected between the base plate and the base.

The anchor bolts are individually supported in the vertical direction by the anchor bolt supporting members erected on the base, and the anchor bolts and the anchor bolt supporting members are positioned substantially in a straight line in the vertical direction. Moreover, in the anchor bolt support frame, there is no component other than the anchor bolt and the anchor bolt support member that interferes with the reinforcing bar. Accordingly, regarding the interference of the arrangement of the reinforcing bolts by the anchor bolt support frame, only the positions of the anchor bolts and the anchor bolt support members, which are substantially linear in the vertical direction, need to be noted.

Each anchor bolt is individually supported by each anchor bolt supporting member erected on the base, and these anchor bolts are connected to each other by an attachment plate attached to the upper end. Therefore, the stability and accuracy of the attachment of the anchor bolt support frame are high.

[0011] In the anchor bolt support frame of the second aspect, when the fixing tool of the anchor bolt fixing means is tightened, the tip of the fixing tool presses against the side surface of the anchor bolt, The anchor bolt is fixed to the anchor bolt support cylinder. When the fixing tool is loosened, the tip of the fixing tool separates from the side surface of the anchor bolt, and the anchor bolt can slide vertically.

[0013] In the anchor bolt support frame of the third aspect, when the fixing tool of the anchor bolt fixing means is tightened, the tip of the fixing tool passes through the through hole of the anchor bolt support cylinder. It penetrates and presses against the side surface of the anchor bolt, and the anchor bolt is fixed to the anchor bolt support cylinder. When the fixing tool is loosened, the tip of the fixing tool separates from the side surface of the anchor bolt, and the anchor bolt can slide vertically.

[0013]

Next, embodiments of the present invention will be described with reference to the accompanying drawings. Reference numeral 21 denotes a base of the anchor bolt support frame. The illustrated base 21 is a rectangular frame. The base 21 is provided with a plurality of through holes 25 for fixing the base 21 to the discarded concrete 11 with the base fixing anchor bolts 23.

On the base 21, a plurality of anchor bolt support members 27, 27... In the illustrated case, anchor bolt support members 27 each having a substantially L-shaped cross section are provided upright at four corners of a rectangular base 21. Each anchor bolt support member 27 is provided with a vertical anchor bolt support cylinder 29. An anchor bolt fixing means for vertically fitting a J-shaped or L-shaped anchor bolt 31 in the anchor bolt support cylinder 29 and fixing the anchor bolt 31 to a desired height on the anchor bolt support cylinder 29. 33 is provided. Each anchor bolt 31 has a male screw portion 35 at the upper end. Anchor bolt 31,
The attachment plate 37 is detachably attached to the upper end of 31. That is, the attachment plate 37 is disposed, for example, between a pair of upper and lower nuts 39 and 39 (the lower nut of the attachment plate 37 is not shown) screwed to the male screw portion 35 of the anchor bolt 31.

An anchor bolt fixing means 33a shown in FIG.
Is formed with a female screw hole 41 penetrating the anchor bolt support tube 29 in and out of the anchor bolt support tube 29, and screwing a fixing device 45 having a male screw 43 in the female screw hole 41. The anchor bolt 31 is fixed to the anchor bolt support cylinder 29 by pressing the side surface of the anchor bolt 31 to the tip of 45.

An anchor bolt fixing means 33b shown in FIG.
The anchor bolt support tube 29 is provided with a through hole 47 penetrating the anchor bolt support tube 29 in and out, and the outer surface of the anchor bolt support tube 29 is provided with a female screw hole 49 communicating with the through hole 47. The female screw member 51 is fixed, a fixing tool 55 engraved with a male screw 53 is screwed into the female screw member 51, and the side of the anchor bolt 31 is pressed against the tip of the fixing tool 55, thereby fixing the anchor bolt 31 to the anchor bolt. It is configured to be fixed to the support cylinder 29.

[0017]

According to the first aspect of the present invention, each anchor bolt is vertically supported by each anchor bolt supporting member erected on the base, and each anchor bolt and the anchor bolt support are supported. The members are located on a substantially straight line in the vertical direction. Moreover, in the anchor bolt support frame, there is no component other than the anchor bolt and the anchor bolt support member that interferes with the reinforcing bar. Accordingly, regarding the interference of the arrangement of the reinforcing bolts by the anchor bolt support frame, only the positions of the anchor bolts and the anchor bolt support members, which are substantially linear in the vertical direction, need to be noted. In other words,
Interference of reinforcement arrangement by the anchor bolt support frame is minimized.

Each anchor bolt is individually supported by each anchor bolt support member erected on the base, and these anchor bolts are mutually connected by a supplementary plate attached to the upper end. Therefore, the stability and accuracy of the attachment of the anchor bolt support frame are high.

Since the anchor bolt support frame has a simple structure as described above, it can be provided at a low cost.

[Anchor bolt support frame of claim 2] The anchor bolt fixing means in the anchor bolt support frame of claim 2 has a simple structure and can be provided at a low cost, and the anchor bolt has a desired height. Can be easily and reliably fixed to the anchor bolt support cylinder.

[Anchor Bolt Supporting Frame of Claim 3] The anchor bolt fixing means of the anchor bolt supporting frame of Claim 3 has a simple structure, similarly to the anchor bolt fixing means of the anchor bolt supporting frame of Claim 2. Not only can it be provided at a low cost, but also the anchor bolt can be easily and reliably fixed to the anchor bolt support cylinder at a desired height.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an anchor bolt support frame according to the present invention.

FIG. 2 is a cross-sectional view showing an example of a use state of the anchor bolt support frame.

FIG. 3 is a sectional view showing an example of an anchor bolt fixing means.

FIG. 4 is a sectional view showing another example of the anchor bolt fixing means.

FIG. 5 is a side view showing a J-type anchor bolt.

FIG. 6 is a side view showing an L-shaped anchor bolt.

FIG. 7 is a perspective view showing a conventional anchor bolt support frame.

DESCRIPTION OF SYMBOLS 1 Board 3 Support column 5 Upper support plate 7 Lower support plate 9 Anchor bolt 11 Discarded concrete 12 Foundation 13 Pillar base 15 Base plate 17 Nut 19 Grout or mortar 21 Base 23 Anchor bolt 25 for fixing base 25 Permeable Hole 27 Anchor bolt support member 29 Anchor bolt support cylinder 31 Anchor bolt 33 Anchor bolt fixing means 33a Anchor bolt fixing means 33b Anchor bolt fixing means 35 Male screw part 37 Attached plate 39 Nut 41 Female screw hole 43 Male screw 45 Fixture 47 Through hole 49 Female screw Hole 51 Female thread member 53 Male thread 55 Fixture

Claims (3)

[Claims] A plurality of anchor bolt support members are erected on a base, each anchor bolt support member is provided with a vertical anchor bolt support tube, and a J-shaped or L-shaped anchor bolt support tube is provided in the anchor bolt support tube. The anchor bolts of the mold are slidably fitted in the vertical direction, and the anchor bolt support cylinder is provided with anchor bolt fixing means for fixing the anchor bolt to the anchor bolt support cylinder at a desired height. An anchor bolt support frame characterized in that an attachment plate is detachably attached to an upper end. 2. The anchor bolt fixing means, wherein a female screw hole is formed in the anchor bolt support tube so as to penetrate the anchor bolt support tube inside and outside, and a fixing tool engraved with a male screw is screwed into the female screw hole. 2. An anchor bolt supporting frame according to claim 1, wherein the anchor bolt is fixed to the anchor bolt supporting cylinder by pressing a side surface of the anchor bolt against a tip of the fixing tool. 3. The anchor bolt fixing means, wherein the anchor bolt support tube has a through hole penetrating the anchor bolt support tube in and out, and the outer surface of the anchor bolt support tube has a female screw communicating with the through hole. A female screw member having a hole is fixed, a fixing tool provided with a male screw is screwed to the female screw member, and the side of the anchor bolt is pressed to the tip of the fixing tool, so that the anchor bolt is attached to the anchor bolt support cylinder. 2. An anchor bolt support frame according to claim 1, wherein the anchor bolt support frame is fixed.