JPH061981Y2 - Kanzashi bar support metal fittings for beam reinforcement - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention relates to a support metal fitting for a beam reinforcement for arranging beam reinforcing bars, which is used when constructing a beam portion of a reinforced concrete building when the building is constructed. is there.

(Prior Art) Conventionally, when constructing a beam portion of a reinforced concrete building, it is necessary to dispose the beam reinforcement in the beam formwork in a suspended state before placing concrete. , Kanzashi bars that support beam reinforcement are used, and metal fittings for fixing the Kanzashi bars to the formwork in a horizontal state have been devised.

As such a metal fitting, an inverted U-shaped locking member is hooked on the upper end of the outer frame of the beam form, and the lower end of the screw rod threaded through the locking member is formed on the hook portion, and the hook portion While supporting one end of the, the other end of the Kanzashi muscle is received on the slab formwork connected to the beam formwork.

(Problems to be solved by the invention) However, in a beam rebar, a plurality of horizontal main bars are arranged in parallel in the upper, lower, left, and right parts, and a stirrup is provided at small intervals in the longitudinal direction of the horizontal main bars so as to surround the horizontal main bars. It is arranged in the beam form while being formed by wrapping it with the slab, and at the time of this arrangement, the slab form is inserted into the beam rebar from the slab form side, that is, the inner form side of the beam form. If the above-mentioned metal fittings are attached to the side, not only the work of supporting one end of the knitting bar to the metal fitting becomes troublesome, but also it becomes difficult to adjust the height of the knitting bar to the beam reinforcing bar. Cannot be supported in a horizontal state, and a spacer member that supports the other end of the knitted muscle is required on the slab formwork.

Further, in order to adjust the suspended state of the beam reinforcing bars, as described above, the complicated adjustment operation of the metal fittings and the spacer member having a thickness corresponding thereto are required.

In addition, if the knitting bar is previously supported, and the upper main bar of the beam reinforcing bar is arranged on this knitting bar and the stirrup is arranged, the above metal fittings hinder the work and work efficiency is remarkably increased. There is a problem that it decreases.

The present invention solves such a problem, and provides a support metal fitting for a reinforcing bar for arranging beam reinforcing bars, which can support the reinforcing bar accurately and easily.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the support metal fittings for the beam reinforcement for arranging the beam rebar of the present invention are provided with a beam form (a) as shown in the drawings corresponding to the embodiments. Support members (2) arranged along the inner frame (b) of the
Bracket material (3) is provided on the front side of the
The metal fitting main body (1) is formed by integrally fixing the lower end portion of the support member (2) to the lower end portion of the support member (2), and the slab formwork ( Mounting material fixed to d)
(4) is fixed and at the lower end, an abutting portion (5) for receiving the inner surface of the inner frame (b) is formed, and further, a supporting member (2) and the bracket member (3) And the hawthorn muscle at the top of
It is characterized in that it is provided with kanzashi muscle receiving portions (6) and (7) which erect (e) in a horizontal state.

(Function) Mainly metal fittings in the beam form (a) in parallel with the beam rebar assembly work
Place the support member (2) of (1) along the inner surface of the inner frame (b) of the beam formwork (2),
The lower end contact portion (5) is contacted and received by the inner surface of the inner frame, and the upper end mounting seat (4) of the supporting member (2) is installed on the slab formwork (d). If the slab formwork (d) is nailed, the metal fitting main body (1) can be attached to a desired position in the beam formwork (3).

In this way, a knott bar (e) is installed between the support member (2) mainly made of metal fittings (1) attached to the beam form (a) and the receiving portions (6) and (7) provided at the upper end of the bracket material (3). , If supported, the kanzashi muscle
(e) is supported by the metal fittings (1) in a horizontal state and orthogonal to the length direction of the beam reinforcement, and receives the lower surface of the main reinforcement of the beam reinforcement to secure the beam reinforcement with the beam formwork ( a) can be placed inside.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. (1) shows that the lower end of a bracket member (3) made of the same material is welded to the lower end of a support member (2) made of a metal rod-like object. Mainly made of metal fittings that are integrally fixed, and the bracket material (3) is attached to the vertical support member (2) by inclining diagonally forward from the lower end to the upper end. A reinforcing bar member (8) is fixed to the.

Further, the lower end of the supporting member (1) is bent rearward at a substantially right angle, and a cap made of synthetic resin (9) is covered at its tip, and the tip surface of this cap (9) is covered with a beam form (a). Is formed in the contact portion (5) with respect to the inner frame (b). Also, the support member
Bend the upper end of (1) at a right angle to the rear to form a horizontal mounting part (1a) of an appropriate length, and integrally mount the mounting seat (4) made of a metal plate on the lower surface of this horizontal mounting part (1a). It has a U-shaped Kanzashi muscle receiving part (6) that opens in the front-back direction on the top and
Further, a synthetic resin cap body (14) having an appropriate thickness is detachably attached to the mounting seat (4).

(7) is a U-shaped Kanzashiki receiving part that is also open in the front-rear direction and is fixed to the upper end of the bracket member (3) facing the Kanzashiki receiving part (6), and is mainly made of metal fittings (1) Beam formwork
When arranged in (a), these receiving portions (6) and (7) face each other in the front-rear direction in the horizontal direction.

(10) is a nail hole formed on both sides of the mounting seat (4), and (11) is a knotting muscle presser nail formed on both opposite surfaces of the knitting strip receiving portion (6) on the support member (1) side. It is an insertion hole.

As shown in FIG. 2, the supporting metal fitting for the beam reinforcement for arranging the beam rebar having the above-mentioned structure is constructed such that the supporting member (2) has the beam form (a).
Inner frame (b) of synthetic resin cap (9) at the lower end along the inner surface
Place the synthetic resin cap body (14) adhered to the inner surface of the inner frame (b) on the lower surface of the upper mounting seat (4) on the upper surface of the slab formwork (d), The nail (12) is driven into the slab formwork (d) from the nail holes (10) (10) of the mounting seat (4) to make the metal fitting main body (1) the inner and outer frames (b) (c) of the beam formwork (a). ) Fix it in between. The support fittings are attached to the inner frame of the beam form at appropriate intervals.

When the metal fitting main body (1) is fixed in this manner, the double-sided hook (e) is laid horizontally between the front and rear kanzashi muscle receiving portions (6) and (7) of the metal fitting main body (1).

The height of the metal fitting main body (1) in the vertical direction with respect to the inside of the mold can be easily adjusted by the thickness of the synthetic resin cap body (14) mounted on the lower surface of the mounting seat (4).

The work of arranging this Kanzashi braces is carried out in parallel with the work of assembling the beam rebars (f) in the beam form (a), and the beam rebars (f) are a plurality of transverse main bars (g) of the present invention. Are arranged in parallel to the upper, lower, left and right parts, and the stirrup (h) is wound around the horizontal main bar (g) at small intervals in the longitudinal direction of the horizontal main bar (g).

On the other hand, install the knitted bar (e) in a horizontal state between the front and rear receiving parts (6) and (7) of the knitting bar support metal fitting, and insert the nail insertion hole (1
1) Insert a nail (13) between (11) to prevent delusional movement of the kanzashi muscle (e), and place the upper transverse main muscle of the beam reinforcement (f) on this kanzashi muscle (e).
When (g) and (g) are placed and received, the beam rebar (f) is accurately suspended at a desired position in the beam form (a).

After arranging the beam reinforcing bars (f) in this way, concrete (m) is placed in the beam form (a).

After the concrete (m) has hardened, if the form is removed, the cap (9) and the slab form that are in contact with the inner frame (b) of the beam form (a)
Since the cap (14) of the mounting seat (4) placed on (d) is exposed on the concrete surface and these cap (9) and cap body (14) are made of synthetic resin, they are buried. Prevents corrosion of the supported metal fittings due to moisture.

(Effect of the Invention) As described above, according to the supporting metal member for the beam reinforcement for arranging the beam rebar of the present invention, the supporting member (2) to be arranged along the inner frame (b) of the beam form (a) is formed. A bracket body (3) is provided on the front side, and the metal fitting main body (1) is formed by integrally fixing the lower end portion of the bracket material (3) to the lower end portion of the support member (2). ), A mounting seat (4) for fixing to the slab form (d) is fixed to the upper end of the support member (2), and the lower end is received by the inner surface of the inner frame (b). An abutting portion (5) is formed, and further, a hook-and-loop receiving portion (6) for horizontally installing a hook-and-loop muscle (e) on the upper ends of the support member (2) and the bracket material (3).
Since it is provided with (7), the inner frame (b) of the beam form (a)
Since it is configured to be mounted on the side, the mounting work can be performed easily, and the lower end abutting part (5) of the support member (2) mainly of the metal fitting (1) abuts on the inner surface of the inner frame (b) and is received. On the other hand, by mounting the upper end mounting seat (4) on the slab formwork (d) and fastening the mounting seat (4) to the slab formwork (d), the support member (2) and the bracket material are Kanzashi muscle receiving part (6) (7) provided at the upper end of (3)
Can be securely arranged in the direction between the inner and outer frames (b) and (c) of the beam form (a), and the kakuza line (e) between these receiving parts (6) and (7)
In a horizontal state, the beam rebars can be accurately erected orthogonally to the length direction of the beam rebars, and the beam rebars can be suspended accurately in the beam formwork.

Further, since the mounting work of the mounting metal fittings in the beam formwork can be easily performed from the slab formwork side in parallel with the assembling work of the beam rebars, the work efficiency is improved and the height adjustment is performed in the slab formwork. This can be performed simply and accurately by interposing a spacer such as a synthetic resin cap having a desired thickness between the mounting seat (4) and the mounting seat (4).

[Brief description of drawings]

FIG. 1 is a perspective view thereof, FIG. 2 is a vertical sectional side view in a state of being arranged in a beam form, and FIG. 3 is a vertical sectional front view of a mounting seat portion. is there. (1) ・ ・ ・ Metal fitting body, (2) ・ ・ ・ Supporting member, (3) ・ ・ ・ Bracket material, (4) ・ ・ ・ Mounting seat, (5) ・ ・ ・ Abutting part, (6)
(7) ・ ・ ・ Kanzashi bracing part, (a) ・ ・ ・ Beam form, (b) ・
..Inner frame, (c) ... Outer frame, (d) ... Slab formwork, (e)
・ ・ ・ Kanzashi reinforcement, (f) ・ ・ ・ beam reinforcement.

Claims (1)

[Scope of utility model registration request] 1. A bracket member (3) is provided on the front side of a support member (2) arranged along an inner frame (b) of a beam form (a), and a lower end portion of the bracket member (3) is provided. The metal fitting main body (1) is formed by integrally fixing to the lower end of the support member (2), and the upper end of the support member (2) of the metal fitting main body (1) is fixed to the slab form (d). The mounting seat (4) is fixed, and at the lower end, an abutting portion (5) for receiving the inner surface of the inner frame (b) is formed, and further, the supporting member (2) and the bracket member. (3) Kanzashi muscle receiving part (6) which erects the kizashi muscle (e) horizontally at the upper end of (3)
(7) is provided, which is a support metal fitting for a bar reinforcement for arranging beam rebars.