JP3393830B2 - Embedded Formwork for Formwork and Method of Forming Formwork - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method frame comprising a pair of rectangular mesh side molds which face each other, and a plurality of spacers connected to each other at predetermined intervals in the long side direction of the side molds. The present invention relates to an embedded mold for molding.

[0002]

2. Description of the Related Art As shown in FIGS. 12 and 13, in a conventional embedded mold A for forming a frame, a spacer 32 for connecting a pair of mesh side molds 31, 31 facing each other is provided. The upper and lower wire rods 33, 33 in the horizontal direction and two left and right steel wire rods 34, 34 in the vertical direction connected across the upper and lower wire rods 33, 33 are arranged in the horizontal direction of the spacer 32. Both ends of the wire rods 33, 33 are pivotally connected to the side molds 31, 31 rotatably about the longitudinal axis, respectively, and the side molds 31, 31 are switched between a self-supporting posture and a folding posture in which they are superposed on each other. It was configured to be possible.

According to the above construction, by folding the side molds 31 and 31 into a compact thin object, the form A can be efficiently carried in and stored at the construction site of the legal frame. At the construction site, the side molds 31, 31 are deployed in a self-supporting posture, the form A is installed at a predetermined position on the wire net 35 laid on the slope N, and the upper and lower main bars 36, 37 are arranged. do it,
The method frame can be formed by spraying mortar, concrete, etc. (hereinafter referred to as mortar) on the inside and outside of the form.

[0004]

By the way, in the embedded form A having the above structure, the spacer 32 and the side forms 31, 3 are formed.
Since 1 and 1 form a parallelogram, for example, when an operator accidentally applies a force to the form A or contacts another object,
The form A may be easily deformed in the width direction, which requires strict construction management in order to ensure the quality of the legal form.

[0005] Further, in particular, there is also a problem in that when forming a normal frame in the transverse beam direction, the side form frame 31 on the lower side of the slope is displaced due to the weight of the mortar, and so-called sagging easily occurs. .

On the other hand, the main bars 36 and 37 are bound to the individual spacers 32 by a numbered wire (not shown).
Since there are so many binding points, considerable labor is required, and the work is very troublesome, and there is a problem in that workability is poor.

The present invention has been made in view of the above circumstances, and the purpose thereof is to prevent deformation in the width direction, and therefore, it is possible to form a high quality legal frame and also to construct a main bar. The point is to provide an embedded formwork that is easily accomplished.

[0008]

[Means for Solving the Problems]

According to the first aspect of the present invention, there is provided an embedded mold for molding a method frame, which is formed over a pair of rectangular net-shaped side molds facing each other and at a predetermined interval in the long side direction of the side molds. The spacers are connected to each other, and each of the spacers has an X shape when viewed from the long side direction of the side formwork in the self-supporting posture from the upper side of one side formwork to the lower side of the other side formwork. Alternately, or every two spacers, a first brace wire that inclines toward one side and a second brace wire that inclines from the upper side of the other side form to the lower side of one side form. Alternately prepared, and further on this spacer,
It is characterized in that it is provided with a hook for elastically sandwiching the main bar in the long side direction of the side mold.

According to the above construction, the spacer for elastically sandwiching the main bar is provided in the spacer, and the main bar can be attached to this hook with one touch, so that the work efficiency of attaching the main bar is significantly increased. You can upload, in addition to this,
A high-quality legal frame can be formed by providing the braided wire material having an X-shape when viewed from the long side direction of the side mold and making the embedded mold a robust structure that is difficult to deform in the width direction.

In the above structure, both ends of the spacer are pivotally connected to the side molds so as to be rotatable about the longitudinal axis, and the side molds can be switched between a self-supporting posture and a folding posture in which they are superposed on each other. By configuring (claim 2), or at least a part of the spacer can be decoupled from the side mold and the remaining part can be folded toward the side mold so that the side molds can be separated from each other. By configuring (Claim 3), the embedded formwork can be made into a compact and thin product, and this can be carried into the construction site of the law frame.

[0012] At the construction site of the slope form, the embedded formwork can be installed at a predetermined position on the slope by deploying the embedded formwork in a self-supporting posture. In particular, the side formworks are separated from each other. In the configuration, since the side formwork of the separate unit is light in weight, it is possible to easily perform the work of lifting the side formwork above the slope, for example, manually.

Here, preferably, on the lower side of the mesh side mold,
The slope is provided with a locking body for locking the laid mesh (Claim 4), and according to such a configuration, the locking form is locked to the mesh to form the side formwork. There is an advantage that the occurrence of so-called sagging due to the positional deviation of is effectively prevented. Claim
In the present invention described in 5, the spacers are connected to each other over a pair of rectangular net-shaped side molds that face each other and at predetermined intervals in the long side direction of the side molds. Of the side form of the side formwork is formed of X-shaped bracing wire rods, and the spacer is provided with a hook for elastically sandwiching the main form of the side formwork in the long side direction. In the method for forming a frame using an embedded mold for forming a frame, the side mold is composed of a plurality of horizontal wire rods arranged in parallel and a plurality of vertical wire rods connected to the horizontal wire rods. Side frame and a reticulated frame connected to the uppermost or lowermost horizontal wire of the side frame in a rotatable and free-moving manner, and when the mortar is sprayed, the reticulated form is moved upward or upward. Form side by swinging to the surface side It was opened, and characterized in that from the mold side to be able to fill the mortar.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an example of a method frame forming mold A according to the present invention as set forth in claim 1, wherein the method frame forming mold A is a pair of rectangular net-like sides facing each other. A plurality of spacers 2 are connected over the molds 1 and 1 at predetermined intervals in the long side direction of the side mold 1, and the upper and lower parts of the spacers 2 are connected to each other.
The long main bars 3 and 4 are attached in the long side direction of the side formwork 1, and further, as shown in FIG. 3, the mesh body 5 laid on the slope N is attached to the lower side of the side formwork 1 and 1. It comprises a locking body 6 for stopping.

The spacer 2 is composed of two bracing wire rods (for example, steel wire rods) 7 which are welded while intersecting in an X shape, and a short horizontal wire rod 8 welded to the bracing wire rods 7. A ring-shaped portion a is formed by bending at the outer end of the horizontal wire rod 8 and both ends of the bracing wire rod 7, and the ring-shaped portion a is attached to the vertical wire rod 9 of the mesh side mold 1 around the vertical axis P. Is rotatably and pivotally connected to each other so that the side molds 1 and 1 can be switched between a self-supporting posture and a folding posture in which they are superposed on each other.

Then, the inner end of the horizontal wire 8 is braced to the wire 7.
Bending is performed to the side to form the hook 10 that elastically sandwiches the upper and lower main bars 3 and 4, and the tip of the hook 10 is bent in the opposite direction to form the folded portion 11. The folded-back portion 11 serves as a guide that pushes and spreads the hook 10 against its elastic restoring force when the main bars 3 and 4 are engaged with the hook 10.

On the other hand, in this embodiment, a wire net composed of vertical wire rods 9 and horizontal wire rods 12 is used as the net-shaped side frame 1, and the lower end portions of the vertical wire rods 9 having a plurality of wire rods are placed. The remaining vertical wire 9 is slightly projected (about 2 cm) from the lower end, and the projecting portion is bent in one direction of the form A to form the locking body 6.

As the net-shaped side frame 1, expanded metal or punching metal may be used in place of the wire mesh. When punching metal is used, the spacer 2 is used.
It is assumed that the punching metal is provided with a shaft for rotatably supporting both ends of the punching metal around the vertical axis P, and further, the locking body 6 formed by bending a wire rod is provided on the lower side of the punching metal.

According to the above construction, the side molds 1 and 1 are in the folded and folded posture and the mold A is made compact and thin, so that the mold A can be efficiently carried into the construction site of the method frame. At the construction site of the legal form, as shown in FIG. 3, the form A is developed into a use posture, and the locking body 6 provided on the side form 1 is provided with a mesh body on the slope N. By locking the side frame 1 with the side frame 5, the frame A can be self-supporting on the slope N without causing displacement of the side frame 1.

Then, the upper and lower main bars 3 and 4 are elastically sandwiched between the hooks 10, and thereafter, as shown in FIG. 4, by spraying a low-slump mortar 13 on the inside and outside of the embedded form A, Since the method frame 14 is molded, according to the embedded form A having the above structure, the locking body 6 is locked to the net-like body 5 to effectively prevent the side mold 1 from being displaced. In addition, since the spacer 2 is provided with the bracing wire rods 7 and 7 intersecting with the X shape, and the mold A is a robust structure that is hard to be deformed in the width direction, the high quality legal frame 14 is formed. Of.

When forming the normal frame 14 in the direction of the horizontal beam, the mesh body 5 is arranged so that the locking body 6 faces downward from the slope N.
It is essential that the embedded form A be installed in a directional manner so as to be locked to the frame. However, as shown in FIG. 5, if the locking body 6 is formed toward the outside of the form A, The installation of the form A is suitable regardless of the directionality.

In FIGS. 3 and 4 showing the method frame 14 constructed by the above procedure, 15 in the figures is an anchor, 1
6 is a curing sheet, which is a mortar 1 scattered on the side of the mesh body 5.
The sheet 16 is peeled off, and the vegetation base material 17 is sprayed in a thick layer on the mesh 5 between the slopes.

When forming the above-mentioned method frame 14, as shown in FIG. 6, if necessary, stirrup 18 is attached to the main bars 3 and 4.
As shown in FIG. 6 (A), generally, one wire rod (for example, a steel wire rod) that is bent is used as the stirrup 18.
As shown in FIG. 6 (B), two L-shaped wire rods (for example, steel wire rods) 18a, 1 having both ends bent into hooks are formed.
The combination of 8b is also preferably used, and according to the stirrup 18 having the configuration of this combination, after the reinforcement of the main bars 3 and 4, the main bars 3, 4 are operated by a lateral operation.
The stirrup 18 can be easily wound around and fixed around.

An embedded form A according to another embodiment is shown in FIG. In this embodiment, the spacer 2
Is composed of brace wires 7 and 7 crossing the X-shape and a protrusion preventing member 20 extending between the upper and lower intermediate portions of the side molds 1 and 1, and one end portion of this spacer 2 is provided with a locking body 6. A vertical wire member 9 and a horizontal wire member of one mesh side mold frame 1 which are rotatably and pivotally connected around the vertical wire member 9 of one mesh side mold frame 1 and the other end of the spacer 2 is provided with a locking body 6. 12 is configured to be separable from the side formwork 1 that is releasably connected to the side formwork 1 and is provided with the spacer 2 so as to be foldable, and the side formwork 1 that is simply a single piece, and the bracing wires 7 and 7 Main lines 3, 4
Is provided with a hook 10 for elastically sandwiching.

The means for releasing the connection of the spacer 2 to the net-like side frame 1 is also constituted by the hook 20, and at the tip of the hook 20, there is provided a folded-back portion 21 bent in the opposite direction. . This folded part 2
When the hook 20 is engaged with the wire rods 9 and 12, 1 serves as a guide that pushes the hook 20 against the elastic restoring force thereof by the inclined surface of the folded portion 21.

In the illustrated example, all of the spacers 2 are releasably connected to the side molds 1 and 1,
It is possible to modify the two side molds 1, 1 and the spacer 2 so as to be separable.

According to the embedded form A having the above structure, by separating the side forms 1 and 1 from each other, the form A can be made compact and thin and can be carried into the construction site of the legal frame, and Since the side molds 1 and 1 of the separate unit are light in weight, for example, the work of lifting the side mold 1 above the slope by human power can be easily performed.

The side molds 1 and 1 are connected to each other, for example, at the site where the mold A is carried in or at the construction site of the method frame, to develop the use posture, and the upper and lower main bars 3 and 4 are hooked.
By elastically sandwiching the mold A and the mesh body 5 on the slope N, the mold A can be fixed to the slope N without the side mold 1 being displaced. Since it can be made to stand upright, the side formwork 1 is provided with the locking body 6 to prevent the side formwork 1 from being displaced and to be crossed in an X shape.
Is provided in the spacer 2 and the mold A is a robust structure that is not easily deformed in the width direction, so that a high quality legal frame can be molded.

Furthermore, since the protrusion preventing member 19 is provided, the central portion of the side formwork 1 in the height direction is less likely to be deformed outward, and therefore, the large formwork having a cross section of, for example, 400 cm × 400 cm is formed. Even when applied, there is also an advantage that when the mortar is sprayed, the protrusion of the central portion of the side surface of the legal frame due to the lateral pressure of the mortar can be reliably prevented.

Embedded Form A According to Yet Another Embodiment
Is shown in FIG. In this embodiment, the mesh side mold 1 is a rectangular mesh form which is detachably attached to the side frame 22 installed on the slope and the side frame 22 via a plurality of hooks 23. 24, and the side frame 22 has a plurality of horizontal wires 25 arranged in parallel.
And a plurality of vertical wire rods 26 connected to them by means such as welding. Further, the vertical wire rods 26 are made to project below the lowermost horizontal wire rods 25, and the projecting portions are outwardly projected. The locking body 6 is formed by bending.

On the other hand, the spacer 2 is composed of brace wires 7 and 7 intersecting in an X-shape, and a vertical wire 27 welded in the vertical direction over the brace wires 7 and 7, and the vertical wire 27 The upper and lower ends are bent to the side of the bracing wire 7, and the bent portion and the bracing wire 7 form a hook 10 for elastically sandwiching the upper and lower main bars 3, 4.

Then, the ring-shaped portions a at both ends of the spacer 2 are rotatably connected to each other around the vertical wire 26 of the side frame 3 having the locking body 6 so that the side molds 1 and 1 are connected.
Is configured to be switchable between a self-supporting posture and a folding posture in which they are superposed on each other.

According to the above structure, for example, the mesh form 24
With the side frame 22 and 22 removed, the side frames 22 and 22 are folded so as to overlap each other, and two mesh form frames 24 are overlapped on the side frames 22, thereby making the form frame A compact and thin and constructing the method frame. Can be brought to the site.

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 hooked on the hook 10. The mesh frame 24 is elastically sandwiched and the mesh frame 24 is attached to the side frame 22.
Since the side face of the mold is opened without attaching it to the hook, it is possible to easily perform the one-touch sandwiching work of the main bars 3 and 4 with respect to the hook 10, or even if a star wrap is provided, The bundling work can be easily performed.

Then, the mesh form 24 is attached to the side frame 22, the form A for forming the normal form is assembled, and the low slump mortar is sprayed inside and outside the form A. If only one mesh form 24 is attached to the side frame 22 and the side face of the form is opened, the mortar can be filled from the side of the form in a workable state, and the other side can be filled. Regarding the mesh form 24, it is attached to the other side frame 22 in good time, and the mortar is further sprayed to form the legal form. The embedded form A having such a constitution is used. Also by
A high quality legal frame can be molded.

In the form A for forming a normal frame having the above-mentioned structure, the rectangular mesh form frame 24 is detachably attached to the side frame 3, but as shown in FIG. The side frame 22 installed on the slope and the mesh frame 24 pivotally connected to the upper edge of the side frame 22 may be used.

In the form A shown in FIG. 9, the mesh form 24
A longitudinally elongated ring-shaped portion 24a is provided at the upper end portion of the upper end of the mesh frame 24, and the upper end edge of the mesh frame 24 is pivoted to the uppermost horizontal wire 25 of the side frame 22 through the ring-shaped portion 24a so that the upper end edge of the mesh frame 24 can rotate and float. Although the hooks 23 are connected to each other and attached to the lower end side of the mesh frame 24, the hook 23 is engaged with an appropriate horizontal wire 25 on the lower stage side of the side frame 22.
The ring-shaped portion 24a is provided at the lower end of the mesh frame 24,
The ring-shaped portion 24a may be pivotally connected to the lowermost horizontal wire 25 of the side frame 22 so as to be rotatable and free, and the hook 23 may be attached to the upper end of the mesh frame 24. .

According to the above construction, the side face of the formwork can be opened by swinging the formwork frame 24 upward (or on the side of the slope), so that the formwork 24 is removed. The same effect as the embedded form A of 8 can be obtained.

An example of the method frame forming mold A according to the second aspect of the present invention is shown in FIGS. In this embodiment, a pair of rectangular net-shaped side molds 1 and 1 having a plurality of locking bodies 6 on the lower side are made to face each other, and a predetermined length direction of the side mold 1 is set. A plurality of spacers 2 are pivotally connected to each other so as to be rotatable around a vertical axis P at intervals, and the side molds 1 and 1 are configured to be switchable between a self-supporting posture and a folding posture in which they are superimposed on each other.

The above-mentioned spacer 2 includes two upper and lower horizontal wires 28, 28 arranged in parallel, and upper and lower wires 28, 28.
Left and right two vertical wires 29, 2 welded over 28
9 and hooks (not shown in FIG. 10) 10 which are made of the bracing wire rods 30a (or 30b) and are formed by bending the wire rods are provided on the bracing wire rods 30a and 30b, and the main braces 3 and 4 are provided. It is elastically sandwiched.

The above-mentioned brace wire 30a (or 30b)
Is provided in every other pair of spacers 2. Specifically, every other pair of spacers 2 is inclined from the upper side of one side mold 1 toward the lower side of the other side mold 1. First to do
Brace wire rod (shown by a solid line in FIG. 11) 30a
In addition to the above, the remaining spacers 2 have a second bracing wire rod (indicated by an imaginary line in FIG. 11) that inclines from the upper side of the other side mold 1 toward the lower side of the one side mold 1. .) 30b and the side molds 1, 1 are deployed in a self-supporting posture, the first and second bracing wires 30a,
30b is configured to have an X-shape when viewed in the long side direction of the side mold 1, and the ring-shaped portions a are formed by bending the ring-shaped portions a at both ends of each wire rod 28 to 30b.
Is rotatably attached to the vertical wire 9 of the mesh side mold 1 about the vertical axis P.

The hook 10 is attached to the upper and lower horizontal wire members 28,
28, or as shown by phantom lines in FIG. 11, vertical wire members 29, 29 are projected above and below the horizontal wire members 28, 28, and the projecting end portions are bent toward the horizontal wire member 28 side. ,
The bent portion and the horizontal wire 28 may form the hook 10 that elastically sandwiches the upper and lower main bars 3 and 4.

Also with the above configuration, by placing the side molds 1 and 1 in a folded posture in which the side molds 1 and 1 are overlapped with each other, the embedded mold A can be made into a compact thin product and can be carried into the construction site of the method frame. Then, the side molds 1 and 1 are unfolded, and the locking body 6 provided in the side mold 1 is locked to the mesh body on the slope, so that the side mold 1 is not displaced. Thus, the form A can be made to stand on the slope.

In the above embodiment, the first and second
The brace wires 30a and 30b are alternately provided in the spacer 2, but if the side form 1 has an X shape when viewed in the long side direction, for example, for every two spacers 2, the first and second It is possible to make changes such as alternately providing brace wires 30a and 30b.

As shown in FIG. 8, the mesh-like side frame 1 is detachably attached to the side frame 22 through a plurality of hooks 23 and the side frame 22 installed on the slope. Alternatively, as shown in FIG. 9, the side frame 22 installed on the slope and the edge portion on the upper side of the side frame 22 are pivoted to each other. It may be composed of a mesh form frame 24 that is supported and connected. At this time,
Including the embedded mold A shown in FIGS. 8 and 9, only one of the side molds 1 facing each other may be composed of the side frame 22 and the mesh mold 24.

Further, as shown in FIG. 7, the bracing wire 3
One end of the spacer 2 including 0a and 30b is rotatably pivotally connected around the vertical wire 9 of one mesh side mold 1 and the other end is connected to the other vertical wire 9 of the mesh side mold 1. Horizontal wire 1
It may be configured such that it can be detachably connected to the side mold 2 and the side mold 1 provided with the spacer 2 so as to be foldable and the side mold 1 having only one sheet.

In FIGS. 7 to 11, the same components as those shown in FIGS. 1 to 6 are designated by the same reference numerals, and duplicate explanations are omitted.

[0048]

As described above, according to the present invention, an embedded formwork which is not easily deformed in the width direction is provided so that the main bar can be easily constructed. The invention according to claim 5
As described above, by swinging the reticulated form 24 upward (or on the slope side), the side face of the form can be opened, and the reticulated form 24 is configured to be removed.
The same action and effect can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of an embedded mold in which a side mold is foldable.

FIG. 2 is an end view of the embedded formwork.

FIG. 3 is a sectional view of a legal frame.

FIG. 4 is an explanatory view of the construction of a legal framework.

FIG. 5 is an end view showing a modified example of the embedded formwork.

FIG. 6A is an explanatory diagram of a stirrup using one wire rod, and FIG. 6B is an explanatory diagram of a stirrup using a combination of L-shaped wire rods.

FIG. 7 is an end view of an embedded formwork according to another embodiment in which the side formwork is separable.

FIG. 8 is an end view of an embedded formwork according to another embodiment configured to removably attach a mesh formwork to a side frame.

FIG. 9 is an end view of an embedded formwork according to another embodiment configured to pivotally connect a mesh formwork to the upper side of a side frame.

FIG. 10 is a perspective view of an embedded formwork according to another embodiment.

11 is an end view of the embedded formwork 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]

1 ... Mesh side mold, 2 ... Spacer, 3, 4 ... Main bar, 5
... mesh-like body, 6 ... locking body, 7, 30a, 30b ... bracing wire rod, 10 ... hook, P ... vertical axis line.

Front Page Continuation (72) Inventor Zengo Muraki 1 590 Takao, Tsuyama City, Okayama Prefecture Nippon Vegetation Co., Ltd. (56) Reference JP-A-9-21136 (JP, A) JP-A-8-291524 ( JP, A) JP-A-4-108919 (JP, A) JP-A-6-322771 (JP, A) Actually developed 54-146018 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E02D 17/20 102-104

Claims (5)

(57) [Claims] 1. A spacer is connected across a pair of rectangular net-like side molds facing each other and at a predetermined distance in the long side direction of the side molds, and the side molds in a self-supporting posture are formed. A first bracing wire rod inclined to each of the spacers from the upper side of the one side mold to the lower side of the other side mold so as to have an X shape when viewed in the long side direction;
Second bracing wires that incline from the upper side of the other side form to the lower side of the one side form are provided alternately or alternately for every two spacers, and this spacer is further provided with a side form. An embedded formwork for forming a legal form, characterized in that it is provided with hooks for elastically sandwiching the main bars in the long side direction of the. 2. Both ends of the spacer are pivotally connected to the side molds so as to be rotatable about a longitudinal axis, and the side molds are configured to be switchable between a self-supporting posture and a folding posture in which they are stacked on each other. An embedded mold for molding a method frame according to claim 1. 3. The side molds are configured to be separable from each other by providing at least a part of the spacers so that the spacers can be decoupled from the side molds and the remaining part can be folded toward the side molds. The embedded formwork for forming the method frame described in 1. 4. The embedded formwork for forming a legal frame according to claim 1, further comprising a locking body provided on a lower side of the netting-side mold for locking a mesh-like body laid on a slope. 5. A spacer is connected across a pair of rectangular net-like side molds facing each other and at a predetermined interval in the long side direction of the side molds. It is composed of a bracing wire rod having an X-shape when viewed from the long side direction of the mold, and further, this spacer is provided with a hook for elastically sandwiching the main bar in the long side direction of the side mold. In the method for forming a method frame using an embedded mold for forming a method frame, the side mold is a side composed of a plurality of horizontal wire members arranged in parallel and a plurality of vertical wire members connected thereto. Part frame and a mesh form frame pivotally connected to the horizontal wire at the top or bottom of the side frame so that it can rotate and float freely.When the mortar is sprayed, the mesh form form the upper or slope side. Open the side of the mold by swinging to Then, the method frame forming method is characterized in that the mortar can be filled from the side of the mold.