JP4116859B2 - Legal frame forming method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
According to the present invention, there is provided an embedded mold for forming a normal frame formed by connecting a plurality of spacers at a predetermined interval in a long side direction of a side of the side mold frame across a pair of rectangular mesh-shaped side molds facing each other. The present invention relates to a method for forming a method frame.
[0002]
[Prior art]
As shown in FIG. 12 and FIG. 13, in the conventional embedded mold A for forming a normal frame, spacers 32 for connecting a pair of net-shaped side molds 31, 31 facing each other are provided with two upper and lower parts in the horizontal direction. The steel wire rods 33, 33 and the two vertical steel wire rods 34, 34 connected across the upper and lower wire rods 33, 33, and the lateral wire rods 33, 33 of the spacer 32. Both end portions of the side mold frames 31 and 31 are pivotally connected to the side mold frames 31 and 31 so as to be rotatable around the vertical axis, respectively, so that the side mold frames 31 and 31 can be switched between a self-supporting posture and a folded folding posture. It was.
[0003]
According to the above configuration, by folding the side molds 31 and 31 into a compact thin object, it is possible to efficiently carry in and store the mold A to the legal frame construction site. The side molds 31, 31 are deployed in a self-supporting posture, the mold A is installed at a predetermined position on the wire mesh 35 laid on the slope N, and the upper and lower main bars 36, 37 are arranged, By blowing mortar, concrete or the like (hereinafter referred to as mortar) into and out of the formwork, a legal frame can be formed.
[0004]
[Problems to be solved by the invention]
By the way, in the embedded formwork A having the above configuration, since the spacer 32 and the side formwork 31 and 31 form a parallelogram, for example, when an operator accidentally applies a force to the formwork A or other objects. When they are brought into contact with each other, the mold A may be easily deformed in the width direction, and strict construction management is required to ensure the quality of the legal frame.
[0005]
In particular, when forming the frame in the transverse beam direction, there is also a problem in that the side mold frame 31 on the lower side of the plane is displaced due to the weight of the mortar, and so-called sagging is likely to occur.
[0006]
On the other hand, the main bars 36 and 37 are bound to the individual spacers 32 by wire numbers or the like (not shown). However, since there are so many binding locations, considerable labor is required, and the work is very difficult. There was also a problem in that it was cumbersome and the workability was poor.
[0007]
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a method for forming a frame that can form a high-quality frame and that can easily achieve the construction of main bars. In the point.
[0008]
[Means for Solving the Problems]
The method for forming a frame according to the first aspect of the present invention is a method of connecting spacers across a pair of rectangular mesh-like side molds facing each other at a predetermined interval in the long side direction of the side molds, In order to elastically sandwich the main bar in the long side direction of the side mold frame with this spacer, the spacer is composed of a bracing wire that exhibits an X shape when viewed from the long side direction of the side mold frame in a self-supporting posture. In the method for forming a frame using an embedded mold for forming a frame, the side mold is formed by a plurality of horizontal wires arranged in parallel and a plurality of them connected thereto. When the mortar is sprayed, one of the side frames is composed of a side frame formed of vertical wire rods and a rectangular mesh frame that is detachably attached to the side frame via a plurality of hooks. Only on the side frame and the formwork side Is opened and, after filling the mortar from the mold side that is opened, the other network mold attached to the other side frame, further characterized by forming a spraying performing legal frame of mortar .
[0009]
According to the above configuration, the spacer is provided with a hook for elastically sandwiching the main muscle, and the main muscle can be attached to the hook with one touch, so that the work efficiency of the main muscle can be greatly improved. In addition to this, a bracing wire rod having an X shape as viewed in the long side direction of the side mold frame is provided, and the embedded mold frame has a robust structure that is difficult to deform in the width direction, thereby forming a high quality legal frame. be able to.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 show an example of a method frame forming mold A for carrying out the method of forming a method according to a reference example of the present invention . A plurality of spacers 2 are connected across a pair of rectangular mesh-like side molds 1 and 1 and at a predetermined interval in the long side direction of the side molds 1. The long main bars 3, 4 are attached to the long side direction of the side mold 1, and further, as shown in FIG. 3, a net 5 laid on the slope N on the lower side of the side molds 1, 1. It is provided with a locking body 6 that locks onto the frame.
[0011]
The spacer 2 is composed of two bracing wires (for example, steel wire rods) 7 crossed and welded in an X shape, and short horizontal wires 8 welded to the bracing wires 7, and the horizontal wires 8 A ring-shaped portion a is bent at each of the outer end portion and the both ends of the bracing wire 7, and the ring-shaped portion a can be freely rotated around the vertical axis P on the vertical wire 9 of the mesh side mold 1. The side molds 1 and 1 are configured to be switchable between a self-supporting posture and a folded posture overlapping each other.
[0012]
Then, the inner end portion of the horizontal wire 8 is bent to the bracing wire 7 side to form a hook 10 that elastically clamps the upper and lower main bars 3 and 4, and the tip of the hook 10 is bent in the opposite direction. The folded portion 11 is formed by processing. The folded portion 11 serves as a guide for expanding the hook 10 against its elastic restoring force when the main bars 3 and 4 are engaged with the hook 10.
[0013]
On the other hand, in this embodiment, a wire mesh composed of the vertical wire 9 and the horizontal wire 12 is used as the reticulated side mold 1, and the lower end portion of the plurality of vertical wires 9 of the wire mesh is used as the rest. The locking body 6 is formed by projecting slightly from the lower end of the vertical wire 9 (about 2 cm) and bending the protruding portion in one direction of the mold A.
[0014]
Note that an expanded metal or a punching metal may be used as the mesh-shaped side mold 1 instead of the wire mesh. A shaft body for this purpose is provided on the punching metal, and further, for example, a locking body 6 formed by bending a wire is provided on the lower side of the punching metal.
[0015]
According to the above-described configuration, the mold A can be efficiently carried into the construction site of the legal frame by placing the side molds 1 and 1 in an overlapping folding posture and making the mold A compact and thin. As shown in FIG. 3, the formwork A is unfolded in a use posture, and the locking body 6 provided on the side formwork 1 is engaged with the mesh body 5 on the slope N as shown in FIG. By stopping, the formwork A can be made self-supporting on the slope N without causing the positional deviation of the side formwork 1.
[0016]
Then, the upper and lower main reinforcing bars 3 and 4 are elastically sandwiched between the hooks 10, and then, as shown in FIG. According to the embedded mold frame A having the above-described configuration, in addition to the locking body 6 being locked to the mesh body 5, the position shift of the side mold frame 1 was effectively prevented. Since the bracing wires 7 and 7 intersecting with the X shape are provided in the spacer 2 and the mold A is made of a robust structure that is difficult to deform in the width direction, the high-quality method frame 14 is formed.
[0017]
In forming the transverse frame 14 in the cross beam direction, the embedded frame A is provided with directionality so that the locking body 6 is locked to the mesh body 5 from the upper side to the lower side of the slope N. However, as shown in FIG. 5, if the locking body 6 is formed toward the outside of the mold A, the direction of installation of the mold A is not questioned.
[0018]
3 and 4 showing the frame 14 constructed by the above procedure, 15 in the figure is an anchor, 16 is a curing sheet, and is for receiving the mortar 13 scattered on the reticulate body 5 side. The sheet 16 is peeled off, and the vegetation base material 17 is sprayed on the thick layer on the mesh body 5 between the frame frames.
[0019]
When forming the above-described method frame 14, as shown in FIG. 6, a star wrap 18 may be set on the main bars 3 and 4 as needed, and the star wrap 18 is generally shown in FIG. 6 (A). As shown in FIG. 6B, two L-shapes having both ends bent into a hook shape are used. A combination of wire rods (for example, steel wire rods) 18a and 18b is also preferably used. According to the stirrup 18 having this combination structure, after the main bars 3 and 4 are arranged, the main bars 3 can be operated from the side. , 4 can be easily wound and fixed around the star wrap 18.
[0020]
An embedded form A according to another embodiment is shown in FIG. In this embodiment, the spacer 2 is composed of the bracing wires 7 and 7 intersecting with the X shape and the squeezing preventing member 20 over the upper and lower intermediate portions of the side molds 1 and 1, and one end of the spacer 2 is formed. The other reticulated side formwork provided with the engaging body 6 is connected to the other end of the spacer 2 at the other end of the spacer 2 so as to be rotatable around the vertical wire 9 of the one reticulated side formwork 1 provided with the engaging body 6. 1 is connected to the vertical wire 9 and the horizontal wire 12 so as to be disengageable, and is configured so as to be separable into a side mold 1 having a foldable spacer 2 and a single side mold 1. And the hook 10 for elastically pinching the main muscles 3 and 4 is provided in each of the bracing wires 7 and 7.
[0021]
A means for releasing the connection of the spacer 2 to the reticulated side mold 1 is also constituted by a hook 20, and a folded portion 21 bent in the opposite direction is provided at the tip of the hook 20. When the hook 20 is engaged with the wires 9 and 12, the folded portion 21 serves as a guide that spreads the hook 20 against the elastic restoring force by the inclined surface of the folded portion 21.
[0022]
In the illustrated example, all of the spacers 2 are connected to the side molds 1 and 1 so as to be disengaged, and the two side molds 1 and 1 and the spacer 2 can be separated from each other. Is possible.
[0023]
According to the embedded mold A having the above-described configuration, the side molds 1 and 1 can be separated from each other, so that the mold A can be made into a compact thin object and can be carried into the legal frame construction site. Since the side molds 1 and 1 are lighter, for example, the side mold 1 can be easily lifted upward by the human power.
[0024]
Then, the side molds 1 and 1 are connected, for example, at the site where the mold A is carried in or at the site where the legal frame is constructed, and deployed to the use posture, and the upper and lower main bars 3 and 4 are elastically attached to the hook 10. And the locking body 6 is locked to the mesh body 5 on the slope N, so that the mold A is free-standing on the slope N without being displaced. The side mold 1 is provided with a locking body 6 to prevent the side mold 1 from being displaced, and the bracing wires 7 and 7 intersecting with the X shape are provided in the spacer 2. Since the mold A is a robust structure that is difficult to deform in the width direction, a high-quality frame can be formed.
[0025]
Furthermore, the provision of the squeeze-out preventing member 19 makes it difficult for the central portion in the height direction of the side mold 1 to be deformed to the outside, and accordingly, when applied to a large frame having a cross section of, for example, 400 cm × 400 cm. However, there is also an advantage that when the mortar is sprayed, it is possible to surely prevent the squeezing out of the center part of the side surface of the frame due to the lateral pressure of the mortar.
[0026]
FIG. 8 shows a frame for forming a frame (embedded mold) A for carrying out a frame forming method according to an embodiment of the present invention . In this embodiment, the reticulated side mold 1 is a rectangular reticulated form that is detachably attached to the side frame 22 via a side frame 22 installed on a slope and a plurality of hooks 23. 24, and the side frame 22 is composed of a plurality of horizontal wires 25 arranged in parallel and a plurality of vertical wires 26 connected to them by means such as welding, The vertical wire 26 protrudes downward from the lowermost horizontal wire 25 and the protruding portion is bent outward to form the locking body 6.
[0027]
On the other hand, the spacer 2 is composed of bracing wires 7, 7 intersecting with the X shape and vertical wires 27 welded and connected in the vertical direction across the bracing wires 7, 7, and upper and lower ends of the vertical wires 27. The hook 10 that elastically clamps the upper and lower main bars 3 and 4 is formed by bending the portion to the bracing wire 7 side and the bent portion and the bracing wire 7.
[0028]
Then, the ring-shaped portions a at both ends of the spacer 2 are pivotally connected around the vertical wire material 26 of the side frame 22 provided with the locking body 6 so that the side molds 1 and 1 can stand upright. It is configured to be switchable to a folded position that overlaps each other.
[0029]
According to the above-described configuration, for example, the side frames 22 and 22 are folded so as to overlap each other with the mesh form 24 removed, and the two mesh forms 24 are overlapped with each other. The frame A can be made into a compact thin object and carried into the construction site of the legal frame.
[0030]
At the site, the side frames 22 and 22 are deployed in a self-supporting posture, the locking body 6 is locked to the mesh body 5 on the slope N, and the upper and lower main bars 3 and 4 are elastically attached to the hook 10. Since the side of the formwork is opened without attaching the reticulated formwork 24 to the side frame 22, it is possible to easily perform the one-touch attaching work of the main bars 3 and 4 to the hook 10. Alternatively, even if a star wrap is provided, the bundling operation of the star wrap can be easily performed.
[0031]
Next, a mesh mold 24 is attached to the side frame 22, a mold A for forming a frame is assembled, and low slump mortar is sprayed into and out of the mold A. At this time, one mesh If only the mold 24 is attached to the side frame 22 and the side surface of the mold is opened, the mortar can be filled from the side of the mold with good workability. For 24, it is attached to the other side frame 22 in a timely manner, and mortar is sprayed to form a legal frame. Even with the embedded mold A having such a structure, High quality frame can be formed.
[0032]
In the frame A for forming a normal frame having the above-described configuration, the rectangular net-shaped mold 24 is detachably attached to the side frame 3. However, as shown in FIG. The side frame 22 installed on the side frame 22 and a reticulated form frame 24 pivotally connected to the upper edge of the side frame 22 may be used.
[0033]
In the mold A shown in FIG. 9, a vertically long ring-shaped portion 24a is provided at the upper end of the mesh-shaped mold 24, and the mesh-shaped mold is formed on the uppermost horizontal wire 25 of the side frame 22 via the ring-shaped portion 24a. The upper end edge of the frame 24 is pivotally connected so as to be freely rotatable and freely movable, and the hook 23 provided on the lower end side of the mesh-shaped frame 24 is engaged with an appropriate horizontal wire 25 on the lower side of the side frame 22. However, the ring-shaped portion 24a is provided at the lower end portion of the net-like formwork 24, and the ring-shaped portion 24a is pivotally connected to the lowermost horizontal wire 25 of the side frame 22 so as to be rotatable and freely movable. In addition, the hook 23 may be provided on the upper end side of the mesh form 24.
[0034]
According to the above configuration, the side surface of the formwork can be opened by swinging the reticulated formwork 24 upward (or the slope side), and the embedding shown in FIG. The same effects as the mold A can be obtained.
[0035]
A modification of the mold A for forming the frame is shown in FIGS. In this embodiment, a pair of rectangular mesh-shaped side molds 1 and 1 each having a plurality of locking bodies 6 on the lower side are caused to relatively fold, and a predetermined direction is provided in the long side direction of the side mold 1. A plurality of spacers 2 are pivotally connected to each other so as to be rotatable around the vertical axis P with a space therebetween, and the side molds 1 and 1 are configured to be switchable between a self-supporting posture and a folded posture overlapping each other.
[0036]
The spacer 2 includes two upper and lower horizontal wires 29 and 29 arranged in parallel, two left and right vertical wires 28 and 28 welded over the upper and lower wires 29 and 29 , and a brace wire 30a (or 30b), and a hook (not shown in FIG. 10) 10 formed by bending the wire is provided on the bracing wires 30a and 30b so that the main bars 3 and 4 are elastically sandwiched. Yes.
[0037]
The bracing wire 30a (or 30b) is provided in every other set of spacers 2, and specifically, every other set of spacers 2 is connected to the other side mold from the upper side of one side formwork 1. A first bracing wire (indicated by a solid line in FIG. 11) 30a that inclines toward the lower side of the frame 1 is provided, and the remaining spacer 2 has one side from the upper side of the other side mold 1 In a state in which the second bracing wire (indicated by imaginary lines in FIG. 11) 30b that is inclined toward the lower side of the side mold 1 is provided and the side molds 1 and 1 are deployed in a self-supporting posture, The first and second bracing wires 30a and 30b are configured to have an X shape when viewed from the long side direction of the side mold 1, and ring-shaped portions a are formed at both ends of each of the wires 28 to 30b. Then, this ring-shaped portion a is placed on the vertical wire 9 of the mesh-shaped side mold 1 and the vertical axis With each other to pivotally rotatable about P.
[0038]
The hook 10 may be provided on the upper and lower horizontal wires 29 , 29 , or, as indicated by phantom lines in FIG. 11, the vertical wires 28 , 28 are projected above and below the horizontal wires 29 , 29 , The protruding end portion may be bent to the side of the horizontal wire 29, and the hook 10 that elastically sandwiches the upper and lower main bars 3 and 4 may be formed by the bent portion and the horizontal wire 29 .
[0039]
Even with the above configuration, by placing the side molds 1 and 1 in a folded position, the embedded mold A can be made into a compact thin object and carried into the construction site of the legal frame. The molds 1 and 1 are unfolded, and the locking body 6 provided in the side mold frame 1 is locked to the mesh body on the slope, so that the side mold frame 1 is not displaced and the mold is not moved. The frame A can be made independent on the slope.
[0040]
In the above embodiment, the first and second bracing wires 30a and 30b are alternately provided in the spacer 2. However, if the side mold 1 has an X shape when viewed in the long side direction, for example, It is possible to change such that the first and second bracing wires 30a and 30b are alternately provided for every two spacers 2.
[0041]
Further, as shown in FIG. 8, the reticulated side mold 1 is a rectangular shape that is detachably attached to the side frame 22 via a side frame 22 installed on a slope and a plurality of hooks 23. 9 or a side frame 22 installed on a slope and pivotally connected to an upper edge of the side frame 22 as shown in FIG. In this case, only one of the side molds 1 that face each other including the embedded mold A shown in FIG. 8 and FIG. It may be constituted by the net-like formwork 24.
[0042]
Further, as shown in FIG. 7, one end of the spacer 2 including the bracing wires 30a and 30b is pivotally connected around the vertical wire 9 of one mesh side mold 1 so as to be rotatable, and the other end is connected. The other net-like side mold 1 is connected to the vertical wire 9 and the horizontal wire 12 so as to be disengageable, and the side mold 1 having the spacer 2 foldable, and a single piece of the side mold 1 It may be configured to be separable.
[0043]
7 to 11, the same components as those shown in FIGS. 1 to 6 are denoted by the same reference numerals, and redundant description is omitted.
[0044]
【The invention's effect】
As described above, according to the present invention, the embedded form that is difficult to deform in the width direction is provided so that the construction of the main bar can be easily performed.
Also, if only one mesh formwork 24 is attached to the side frame 22 and the side face of the formwork is opened, the mortar can be filled from the side of the formwork with good workability. As for the other reticulated formwork 24, this is mounted on the other side frame 22 in a timely manner, and mortar is sprayed to form a legal form. Even with the frame A, a high-quality method frame can be formed.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embedded mold configured such that a side mold can be folded.
FIG. 2 is an end view of an embedded formwork.
FIG. 3 is a sectional view of a frame.
FIG. 4 is an explanatory diagram of construction of a legal frame.
FIG. 5 is an end view showing a modified example of the embedded mold.
6A is an explanatory diagram of stirrup using one wire, and FIG. 6B is an explanatory diagram of stirrup using a combination of L-shaped wires.
FIG. 7 is an end view of an embedded mold according to another embodiment in which the side mold is configured to be separable.
FIG. 8 is an end view of an embedded mold according to another embodiment configured to detachably attach a mesh form to a side frame.
FIG. 9 is an end view of an embedded mold according to another embodiment configured to pivotally connect a mesh mold to the upper side of a side frame.
FIG. 10 is a perspective view of an embedded mold according to another embodiment.
11 is an end view of the embedded mold shown in FIG.
FIG. 12 is a perspective view of a conventional frame forming mold.
FIG. 13 is an operation diagram of a conventional frame forming mold.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Reticulated side formwork, 2 ... Spacer, 3, 4 ... Main reinforcement, 5 ... Reticulated body, 6 ... Locking body, 7, 30a, 30b ... Bracing wire, 9 ... Vertical wire, 10 ... Hook, 12 ... Horizontal Wires, 22 ... side frame, 24 ... reticulated formwork, A ... formwork, P ... vertical axis.

Claims (1)

A spacer is connected over a pair of rectangular mesh-like side molds facing each other at a predetermined interval in the long side direction of the side molds, and the spacers are connected to the long sides of the side molds in a self-supporting posture. A frame forming method characterized by comprising a bracing wire that exhibits an X shape when viewed from the direction, and further provided with a hook for elastically sandwiching the main bars in the long-side direction of the side mold frame. In the method for forming a frame using the embedded mold for the above, the side mold is composed of a plurality of horizontal wires arranged in parallel and a plurality of vertical wires connected to the side frames, and a plurality of side frames. It is composed of a rectangular mesh form that can be detachably attached to the side frame via a hook. When spraying mortar, only one mesh form is attached to the side frame to open the side of the form frame. then, mortar from the open to the mold side After filling the other of the side frame is mounted to the other net mold, Law frame molding method characterized in that further to form a spray performs legal frame of the mortar.

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