JPH08291524A - Spacer in form for slope frame - Google Patents

Abstract

PURPOSE: To efficiently perform a bar arrangement work by providing a storing part where a reinforcement bar is installed on the vertical or horizontal wire of an upper horizontal wire of a spacer formed by intersecting a vertical wire and a horizontal wire substantially like a grid. CONSTITUTION: A lower reinforcing steel 62 is moved to a storing part 50 through an opening part 35 opened between upper horizontal wires 34. The reinforcing steel 62 is pressed to an installation port between a positioning wire 32 and a winding part. Whereupon, the reinforcing steel 62 pressing force from the above is applied in the lateral direction to the winding part so that while the installation port is enlarged, the bar is installed in the storing space. Thus, the reinforcing steel 62 is pressed to the intersecting corner parts of the positioning wire 32 and the lower horizontal wire 33. Similarly, a upper reinforcing steel 61 is moved to a storing part 40. Subsequently, the bar 61 is pressed to the positioning wire 32 and an installation port in an inverted curved part. Subsequently, the reinforcing steel 61 pressing force is applied in the lateral direction to enlarge the installation port, installed in the storing space, and is elastically pressed by the gripping part. Thus, a bar arrangement work can be performed quickly even on a slant face having a bad scaffold.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spacer in a formwork for a legal frame.

[0002]

2. Description of the Related Art As a conventional formwork for forming a frame, as shown in FIG. 5, a spacer B formed by intersecting a horizontal line and a vertical line in a checkerboard pattern between a pair of opposing mesh networks A, A. It is known that a plurality of wires are laid horizontally and wound around a wire material for knitting a band net so that they can be freely folded. For the construction of the method frame using this method frame form, the method frame form is laid on the slope to be constructed in a grid pattern, and reinforcing bars C and D are arranged between the band nets A and A. After binding to the spacer B, a solidifying material such as mortar is sprayed into the strip A.

[0003]

Problems to be Solved by the Invention The above-mentioned legal framework construction technique has the following problems. <A> The lower reinforcing bar D is inserted from the end side of the formwork for the legal form and the reinforcing work is performed. Therefore, a large amount of labor and time are required for the work of arranging. In particular, it is hard work to perform bar work on slopes with poor scaffolding. <B> Since all the intersections of the spacer B and the reinforcing bars C and D are bound, the binding work is very complicated and takes time.

[0004]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to provide a mold for a legal frame capable of efficiently performing a reinforcing bar reinforcing work or an attaching work in constructing a legal frame. To provide a spacer in the frame.

[0005]

[Means for Solving the Problems] That is, according to the present invention, a formwork for a method frame in which a vertical line and a horizontal line are crossed between a pair of opposing mesh nets and a spacer formed in a substantially cross beam shape is horizontally installed. In the above, in the formwork for legal form, characterized in that an opening is formed by cutting out the middle of the upper horizontal line of the spacer, and an accommodating part capable of mounting a reinforcing bar on the vertical line or the horizontal line is provided. It is a spacer. Further, the present invention is a formwork for a frame, in which a vertical line and a horizontal line are crossed between a pair of opposing webs, and a spacer formed in a substantially cross beam shape is laterally crossed, and the middle of the upper horizontal line of the spacer. A notch is formed to form an opening, and a lower accommodating portion to which a reinforcing bar can be attached is provided in a lower part of a vertical line or a lower horizontal line in the opening, and a spacer in a formwork for a legal frame. Is. Further, the present invention is a formwork for a frame, in which a vertical line and a horizontal line are crossed between a pair of opposing webs, and a spacer formed in a substantially cross beam shape is laterally crossed, and the middle of the upper horizontal line of the spacer. Is a notch, and an opening is formed to form an upper part or an upper horizontal line of the vertical line, and an upper storage part capable of mounting a reinforcing bar is provided on the vertical line. Further, the present invention is a formwork for a frame, in which a vertical line and a horizontal line are crossed between a pair of opposing webs, and a spacer formed in a substantially cross beam shape is laterally crossed, and the middle of the upper horizontal line of the spacer. Forming an opening by notching the upper line or the upper horizontal line of the vertical line to provide an upper storage section capable of mounting a reinforcing bar, and the reinforcing line at the lower line or the lower horizontal line of the vertical line in the opening. It is a spacer in a formwork for a legal frame, characterized in that a lower storage part to which can be attached is provided. Further, the present invention is the spacer in the formwork for formwork, characterized in that, in the spacer for the formwork for formwork, the upper storage part is formed by bending an end of an upper horizontal line. is there.
Further, the present invention provides the spacer for the method frame mold described above, wherein the lower housing portion is formed by joining a wire rod whose both ends are bent to a lower horizontal line. Is a spacer in. Further, the present invention is the spacer in the formwork for formwork described above, wherein the storage portion is formed by bending an intermediate part of a horizontal line into an arc shape. . Further, the present invention, in the spacer in the formwork for the method frame described above, the storage portion, the storage space to bend the wire rod to elastically grasp the reinforcing bar, and open the upper part of the storage space. A spacer in a formwork for a method frame, characterized in that the spacer is provided with a formed expandable / retractable mounting port. Furthermore, the present invention is the spacer in the formwork for a legal frame described above, wherein the mounting opening is formed with a wide-bent reverse-curved portion that is curved toward the outside of the mounting opening at the edge thereof. Spacer for formwork.

[0006]

Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings. <B> Spacer (FIG. 1) The spacer 30 holds the space between the two webs 20, 20 facing each other as shown in FIG. 1, and is a reinforcing steel bar arranged along the web 20. It is a member that supports 61 and 62, and constitutes a part of the formwork 10 for the legal form (hereinafter referred to as the formwork 10). In this spacer 30, the positioning lines 32 and 32 arranged in the vertical direction and the lower horizontal line 33 and the upper horizontal lines 34 and 34 arranged in the horizontal direction are crossed in a cross pattern,
End vertical lines 31 are arranged in the vertical direction at both ends thereof, and their intersections are fixed by welding or the like. The end vertical lines 31 and 31 are respectively arranged along the inner side of the web 20 and are bundled with the wire material for knitting the web 20 by the ring-shaped connector 21. For this reason, the spacer 30 is used for the web 2.
It is movable up and down with respect to 0. In addition, as shown in FIG. 1, the connecting tool 21 has a position above the upper horizontal line 34 of the spacer 30, the upper horizontal line 34, and the lower horizontal line 3.
It is preferable to arrange it at a position between 3 and 3 and a position below the lower horizontal line 33.

<B> Opening (FIG. 1) An opening 35 is provided between the upper horizontal lines 34, 34. That is, the upper horizontal line 34 is laid across the upper portions of the end vertical lines 31 and the positioning line 32 on both sides,
In the meantime, the opening 35 is opened. This opening 3
5, the lower reinforcing bars 62 can be easily arranged inside the spacer 30 from above.

<C> Storage section (FIGS. 1 to 3) Inside the upper part of each positioning line 32, the upper reinforcing bar 6 is provided.
An upper storage unit 40 for mounting 1 is provided. The storage portion 40 is formed by protruding a wire rod 41 in which a grip portion 411 and an inverse curved portion 412 are continuously formed inside the positioning line 32. The wire 41 is a wire member having elasticity, and
The upper horizontal line 34 may be formed by extending the end of the upper horizontal line 34, or the positioning line 32 may be formed separately from the upper horizontal line 34.
It may be fixed to the inside by welding or the like. The grip portion 411 formed on the lower side of the wire 41 has a substantially arc shape. The reinforcing bar 61 is provided between the grip 411 and the positioning line 32.
Becomes a storage space 42. The arc inner diameter of the grip portion 411 is set to be slightly smaller than the outer diameter of the reinforcing reinforcing bar 61, and the reinforcing reinforcing bar 61 accommodated is elastically gripped so as not to fall off easily.

On the other hand, on the upper side of the wire rod 41, a grip portion 411 is provided.
An inverse bending portion 412 that bends to the opposite side is formed.
A space 43 between the reverse curved portion 412 and the positioning line 32 serves as a mounting port 43 for the reinforcing bar 61. By providing the reverse bending portion 412 at the edge portion of the mounting opening 43, the mounting opening 43 is expanded by simply pressing the reinforcing reinforcing bar 61 from above between the positioning line 32 and the reverse bending portion 412, and the reinforcing reinforcing bar 61 is easily expanded. 6
1 can be attached to the spacer 30.

At the upper corner where each positioning line 32 and the lower horizontal line 33 intersect, a lower storage portion 50 for mounting the lower reinforcing bar 62 is provided. The storage unit 50 is shown in FIG.
As described above, the wire rod 51 having the winding portions 511 formed at both ends is fixed to the lower horizontal wire 33, and the winding rods 511 are formed at both ends of the wire rod 51. The wire rod 51, like the wire rod 41, is a wire member having elasticity. Volume 511
Is wound up so as to cover an intersection corner portion of the positioning line 32 and the lower horizontal line 33. A storage space 52 for the reinforcing bar 62 is formed by being surrounded by the crossing corners of the positioning line 32 and the lower horizontal line 33 and the winding portion 511. A mounting port 53 is opened between the positioning line 32 and the upper end of the winding portion 511. At the edge of the mounting opening 53, the winding top 511
Is curved to the outside of the mounting opening 53, the reinforcing rebar 62
It becomes easy to install.

[0011]

[Rebar Arrangement Method] Next, a bar arrangement method using the spacer 30 will be described.

<B> Reinforcing bar arrangement of lower reinforcing bars (FIGS. 1 and 3) The form 10 is arranged on the slope where the method frame is to be constructed. After arranging the formwork 10, the reinforcing work of the lower reinforcing bar 62 arranged along the strip 20 in the spacer 30 is performed.
First, the reinforcing bar 62 is attached to the upper horizontal line 34 of the spacer 30.
It moves to the storage part 50 through the opening part 35 opened between them. Then, the positioning line 32 and the winding top 511
The reinforcing steel bar 62 is pressed against the mounting opening 53 between them from above. Since the winding portion 511 is curved to the outside of the mounting port 53, the pressing force of the reinforcing bar 62 from above acts on the winding portion 511 in the lateral direction. Therefore, the winding upper portion 511 is further bent and the mounting opening 53 is expanded, and
2 passes through the mounting opening 53 and is mounted in the storage space 52.
The attached reinforcing bar 62 is elastically pressed by the winding portion 511 to the intersection corner of the positioning line 32 and the lower horizontal line 33, and does not move easily.

<B> Reinforcement reinforcing bar reinforcement (FIGS. 1 and 2) The reinforcement reinforcing bar 61 on the upper side, which is arranged in the spacer 30 along the web 20, is arranged. First, the reinforcing bar 61
Is moved to the storage section 40, and is pressed from above onto the mounting opening 43 between the positioning line 32 and the reverse bending section 412. Since the reverse bending portion 412 is bent to the outside of the mounting port 43, the reinforcing reinforcing bar 61 pressing force from above acts on the reverse bending portion 412 laterally. Therefore, the gripping portion 411 moves in a direction in which the reverse bending portion 412 bends away from the positioning line 32, and the reinforcing bar 61 passes through the mounting opening 43 while the mounting opening 43 expands. The reinforcing bars 61 are mounted in the storage space 42. The attached reinforcing bar 62 is
Since the grip portion 411 elastically presses the positioning line 32, the grip portion 411 moves easily from the storage portion 40 and does not fall off. In some cases, the work of arranging the upper reinforcing bar 61 is performed before the lower reinforcing bar 62.

<C> Spraying of solidifying material Next, stirrup bars are attached to the reinforcing steel bars 61 and 62, and a solidifying material such as mortar is sprayed and cured between the strip nets 20 and 20 to complete the construction of the method frame. .

[0015]

[Second Embodiment] Lower reinforcing reinforcing bar 6 in spacer 30
The storage unit 50 for storing 2 includes a wire rod 41 for the positioning wire 32.
The structure may be the same as that of the storage section 40 additionally provided.

[0016]

[Embodiment 3] Storage section 4 for mounting reinforcing bars 61, 62
0a and 50a are the upper horizontal line 34 or the lower horizontal line 3
3 may be formed by recessing downward in a substantially arc shape. For example, as shown in FIG. 4, the storage section 40 a has a storage space 42.
And a mounting port 43. The storage space 42 is formed in the grip portion 431 by recessing the vicinity of the intersection of the positioning lines 32 in the upper horizontal line 34 downward in a substantially arc shape to form a grip portion 431. The arc inner diameter of the grip portion 431 may be set similarly to the grip portion 411. The mounting opening 43 is formed by opening the upper portion of the grip portion 431. In addition, between the both ends of the grip portion 431 and the straight line portion, a curved shape is provided, and inverse curved portions 432 and 432 are provided.
The reverse bending section 432 functions similarly to the reverse bending section 412. The reinforcing rebar 61 can be easily attached to the storage portion 40a by simply locating the reinforcing rebar 61 above the storage portion 40 and pressing the reinforcing rebar 61 from above onto the mounting opening 43 to widen the mounting opening 43. Further, since the attached reinforcing bar 61 is firmly gripped by the grip portion 431, the storage portion 40 can be easily held.
It does not move or drop from a. On the other hand, the storage part 5
0a can also be formed similarly to the storage section 40a and has the same function.

[0017]

Fourth Embodiment In some cases, the upper storage portion 40 of the spacer 30 may not be provided. In that case, the upper reinforcing bar 61
May be attached to the spacer 30 by binding it with a binding wire.

[0018]

Fifth Embodiment In some cases, the lower storage portion 50 of the spacer 30 may not be provided. In that case, the lower reinforcing bar 62
May be attached to the spacer 30 by binding it with a binding wire.

[0019]

Since the present invention is as described above, the following effects can be obtained. <a> Since the opening is formed in the upper horizontal line of the spacer, the lower reinforcing steel bar can be easily arranged through the opening. Therefore, it is possible to quickly perform the bar arrangement work even on a slope with poor scaffolding. <B> Reinforcing bar installation work can be easily done simply by pushing it into the storage part provided in the spacer, and the conventional binding work is unnecessary. Therefore, the work of attaching the reinforcing bar to the spacer can be performed quickly.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a spacer

FIG. 2 is an explanatory diagram of a storage unit

FIG. 3 is an explanatory diagram of a storage unit

FIG. 4 is an explanatory diagram of the third embodiment.

FIG. 5 is an explanatory diagram of a conventional technique.

Claims (9)

[Claims] 1. A formwork for a legal frame, in which a vertical line and a horizontal line are crossed between a pair of opposing mesh nets, and a spacer formed in a substantially cross beam shape is laterally crossed over the horizontal line above the spacer. A spacer in a formwork for formwork, characterized in that an opening is formed by cutting out an intermediate portion, and an accommodating portion capable of mounting a reinforcing bar is provided on the vertical line or the horizontal line. 2. A formwork for a legal frame, in which a vertical line and a horizontal line are crossed between a pair of opposing mesh nets, and a spacer formed in a substantially cross beam shape is laterally crossed over the horizontal line above the spacer. Forming an opening by notching the middle portion, and forming a lower storage portion into which a reinforcing reinforcing bar can be mounted in a lower part or a lower horizontal line of a vertical line in the opening part, Spacer in. 3. A formwork for a legal frame in which a vertical line and a horizontal line are crossed between a pair of opposing mesh nets, and a spacer formed in a substantially cross beam shape is laterally crossed over the horizontal line above the spacer. A spacer in a formwork for formwork, characterized in that an opening is formed by cutting out an intermediate portion, and an upper storage part capable of mounting a reinforcing bar is provided on an upper part or an upper part of the vertical line. 4. In a formwork for a legal frame, in which a vertical line and a horizontal line are crossed between a pair of opposing mesh nets, and a spacer formed in a substantially double girder shape is crossed over, and a horizontal line above the spacer is formed. Form an opening by notching the middle, in the upper or upper horizontal line of the vertical line, provided with a higher-order storage section capable of mounting reinforcing bars, in the lower or lower horizontal line of the vertical line in the opening, A spacer for use in a formwork for formwork, which is provided with a lower storage portion into which reinforcing bars can be mounted. 5. The spacer in the formwork frame according to claim 3 or 4, wherein the upper storage portion is formed by bending an end portion of the upper horizontal line. Spacer in the formwork. 6. The spacer of the formwork frame according to claim 2, wherein the lower housing portion is formed by joining a wire rod whose both ends are bent to a lower horizontal wire. Spacer in formwork for formwork. 7. The spacer in the formwork frame according to any one of claims 2 to 4, wherein the storage portion is formed by bending an intermediate portion of a horizontal line into an arc shape. Spacer in frame formwork. 8. The spacer in the formwork for a frame according to claim 1, wherein the storage portion has a storage space in which a wire rod is bent to elastically grip a reinforcing bar, and A spacer in a formwork for a legal frame, comprising a mounting port which is formed by opening an upper part of a storage space and which can be expanded and contracted. 9. The spacer in the formwork for a legal frame according to claim 8, wherein the mounting opening is formed with a wide-mouthed reverse-curved portion that is curved toward the outside of the mounting opening at an edge portion thereof. Spacer for formwork for legal frames.