JPS63161264A - Flase frame apparatus for concrete - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a temporary concrete frame apparatus, and more particularly to a concrete temporary frame apparatus that is optimal for obtaining a large-sized concrete frame that is continuously formed.

[Conventional technology]

Conventionally, when obtaining a concrete frame, a so-called temporary frame made of a formwork material called a so-called panel made of a single piece of wood board material, a steel plate material, etc., and a reinforcing member made of a pipe etc. is used as the desired material. It will be assembled at the construction site, that is, at the concrete pouring site, to correspond to the concrete frame, and concrete will be poured inside the temporary frame.

After the poured concrete has solidified, the temporary frame is dismantled and the single formwork material is peeled off from the surface of the concrete structure to obtain the desired concrete structure. The company plans to offer it for reuse.

Therefore, even if the desired concrete frame is formed continuously and becomes large, a temporary frame can be reassembled at the concrete pouring site using the peeled off formwork materials and reinforcing members, and then reassembled in the same manner as above. By pouring concrete on the inside and repeating this process, it is possible to obtain a large, continuous concrete structure as desired.

(Problem to be Solved by the Invention) However, in order to obtain a desired concrete frame, the method of assembling a so-called temporary frame using the above-mentioned formwork materials and reinforcing members requires either assembling the temporary frame or pouring concrete. Not only does this have to be done each time at the installation site, but it also takes a long time, which is an inconvenience.

If the desired concrete frame is large, it will take a lot of time to assemble the temporary frame, and it will take a long time to obtain the desired continuous large concrete frame. There are some inconveniences.

Therefore, in view of the above-mentioned circumstances, the present invention newly provides a temporary concrete frame device that facilitates the formation of a so-called temporary frame and avoids the need for a long period of time to obtain a desired concrete frame. The purpose is to

(Means for Solving the Problems) In order to solve the above-mentioned problems, the structure of the temporary concrete frame device according to the present invention is modified such that a plurality of formwork materials are arranged so that the axial direction is the horizontal direction. The reinforcing members that are adjacent to each other in the axial direction or the longitudinal direction for reinforcement are composed of a pair of columnar bodies and are arranged at appropriate intervals on the outer surface of the above-mentioned formwork material, and the above-mentioned formwork material and the above-mentioned reinforcing member is characterized in that it is integrally connected with a fastener inserted in the reinforcing member.

A hook body that penetrates the central part of the locking body that allows the columnar body constituting the reinforcing member to be fitted into the recesses provided on the left and right sides of the fastener, and is locked to the rear end side of the locking body. It is assumed that the hook body is formed so that its distal end hook portion is held in the formwork material.

In addition, the formwork material has a long hole drilled along the axial direction of the formwork material in the rising part protruding from the rear side of the forming part that forms the concrete surface, and the long hole A connecting tool can be inserted into the mold to allow connection with adjacent formwork materials.

(Function) It becomes possible to form a so-called temporary frame in a form suitable for a desired concrete frame in advance at a construction site, that is, at a location other than the concrete pouring site.

Further, a crane or the like can be used to install the pre-formed temporary frame as described above at the concrete casting site, so that the work of installing the temporary frame can be carried out quickly.

(Example) Hereinafter, the present invention will be explained based on an optimal example shown in the drawings.

As shown in FIG. 1, the concrete temporary frame device according to the present invention includes a plurality of formwork materials l... and a plurality of reinforcing members 2...
... and a plurality of fasteners 3..., and further includes a plurality of tightening tools 4... and a plurality of arms 5....

As shown in FIGS. 2 and 3, the formwork material 1 includes a forming part 10 for forming the surface of the concrete body A, a rising part 11 protruding from the rear side of the forming part 1O, and a rising part 11 that forms the surface of the concrete body A. It has a flange part 12 extending in a bent manner from the edge of the part 11, and the rising part 11 has a long hole 11a bored along the axial direction of the form material 1. It will be done.

A connector 6 according to the present invention formed as shown in FIG. 4 is inserted into the elongated hole 11a.
As shown in FIG. 3, the shaft portion 60 of the connector 6 is connected to two adjacent form members 1. 1 into the elongated holes 11a, lla, and screw the nut 61 into the threaded portion 60a at the upper end of the shaft portion 60, as shown by the arrow a in FIG. When the fitting operation is performed, the flange portion 62 at the lower end of the shaft portion 60 is rotated as shown by the arrow in the figure, and abuts and locks on the inside of the flange portion 12 of the formwork material l, and the connecting tool is 6, it is possible to connect two adjacent formwork members 1.

That is, in the apparatus of the present invention, the plurality of formwork members l are arranged and integrally formed so that their axial directions are in the lateral direction, and are formed integrally with each other in the desired size and shape of the concrete frame A. A formwork material l of arbitrary length and width is selected to correspond to the above.

The reinforcing materials 2 are arranged adjacent to the outer surfaces of the plurality of formwork materials l... integrally arranged as described above at appropriate intervals, and the reinforcing materials 2 are arranged adjacent to each other at appropriate intervals, and the distance between the relative intervals or the upper and lower ends thereof is It consists of a pair of columnar bodies 20, 20 that are configured to be constant by spacers (not shown) arranged at the same positions.

The columnar body 20 is originally formed linearly as a whole, i is sufficient, and there is no particular limitation on its cross-sectional shape. As shown in the figure, it is formed to have a cross-sectional shape having four parts 20a extending in the axial direction at the center of the lower side.

That is, in the apparatus of the present invention, the plurality of reinforcing members 2 are adjacent to the formwork material 1 in the axial direction or in the longitudinal direction, and are arranged to correspond to the desired size and shape of the concrete frame A. Correspondingly, reinforcing members 2 of arbitrary length are selected and arranged at arbitrary intervals corresponding to the arrangement intervals of separators B, which will be described later.

Note that the purpose of the recessed portion 20a will be described later.

The fastener 3 is formed to integrally connect the reinforcing member 2 and the formwork material 1, and has a substantially U-shape as shown in FIGS. 5 and 7. It consists of a locking body 30 formed at
A nut 32 is screwed onto the rear end threaded portion 31a of 1.

The locking body 30 has recesses 30 a and 30 a on the left and right sides so as to be inserted into the reinforcing member 2 , and the pair of recesses forming the reinforcing member 2 are inserted into each recess 30 a. It is formed so that a columnar body 20.20 can be fitted therein.

Further, the hook body 31 has a hook portion 31b at its tip.
, and the tip hook portion 31b is attached to the formwork material l.
It is formed so as to be engaged with the edge of a long hole 11a bored in the rising portion 11 of.

Therefore, from the state where the reinforcing member 2 is adjacent to the rear side of the formwork material 1, the columnar body 20 constituting the reinforcing member 2
The above-mentioned locking body 30 is interposed, and the above-mentioned hook body 31
so that the hook portion 31b of is latched to the formwork material 1,
This makes it possible to integrally connect the formwork material 1 and the reinforcing member 2.

Therefore, when the formwork material 1 and the reinforcing member 2 are connected using a plurality of members, it is possible to obtain a so-called temporary frame corresponding to the desired size of the concrete frame A. If the temporary frame becomes large in size, it will be possible to transport it using a crane, for example.

It is sufficient for the device of the present invention to be formed at least as described above, but when using the device of the present invention,
The following fasteners 4 are used, and if necessary, the following arms 5 are used.

That is, the tightening tool 4 is attached to a concrete frame A formed by a so-called temporary frame made up of the form material 1 and the reinforcing member 2.
The sixth reinforcing member 2 is interposed in the reinforcing member 2 so as to correspond to the placement position of the separator B that sets the wall thickness of the sixth separator B.
As shown in the figures and FIG. 8, a locking body 40 formed in a substantially U-shape, and a tension body held by the locking body 40 so as to pass through the center of the locking body 40. 41, and the rear end and tip of the tension body 41 have spiral portions 41a and 41b, respectively.

A nut 42 is screwed onto the rear end threaded portion 41a, a stopper 43 is interposed in the intermediate portion of the tension body 41, and a nut 44 is threaded onto the tip threaded portion 41b. A washer 45 is inserted.

The locking body 40 is formed in the same shape as the locking body 30 and is inserted into the reinforcing member 2.
It has four portions 40a, 40a on the left and right, and allows the pair of columnar bodies 20, 20 constituting the reinforcing member 2 to be fitted into each of the recesses 40a.

The tension body 41 forms what is conventionally called a form tie, and its tip spiral portion 4
1b can be connected to one end of the separator B that sets the wall thickness of the concrete body A, and at that time, the washer 45 is brought into contact with the back side of the molded part 10 of the formwork material 1, and the The washer 45 serves as a so-called stopper for the formwork material l.

The nut 42 screwed onto the rear end threaded portion 41a of the tension body 41 is such that the locking body 40 is attached to the columnar body 20.
When the tension body 41 is inserted into the locking body 40, the tension body 41 is screwed together to maintain the connected state with the locking body 40.

Further, the stopper 43 interposed in the middle part of the tension body 41 is brought into contact with the columnar body 20 from the form material 1 side so as to face the locking body 40, and the stopper 43 is placed in the middle part of the tension body 41. The abutting state is maintained by a nut 44 screwed into the holder.

That is, when the tightening tool 4 according to the present invention is installed in the reinforcing member 2, the distal end spiral portion 41b of the tensioning body 41 that passes through the center of the locking body 40 is connected to the separator B before concrete is poured. However, since the distal end spiral portion 41b of the tensioning body 41 is separated from the separator B after concrete is poured, the intervening state can be easily fixed. The stopper 43 and nut 44 are provided so that the installed state can be maintained continuously.

Note that the tightening tool 4 is connected to the stopper 43 and the nut 4.
Of course, even if the separator B is not provided, the separator B can be fixed at a predetermined position. And at that time,
In the illustrated embodiment, the middle portion of the tension body 41 has a spiral shape, but the spiral shape may be omitted.

The arm 5 is attached to the reinforcing member 2 to enable the construction of a scaffold board C (see FIG. 1) constituting a so-called temporary scaffold, and as shown in FIG. Part 50
and a cane part 51, and a clamp 52 at the tip of the horizontal body part 50, and a tenth clamp 52 at the base end of each of the horizontal body part 50 and the cane part 51. As shown in the figure and FIG. 11, it has gripping parts 53 and 54.

The horizontal main body part 50 is made of a so-called single-tube vibrator, and allows engagement with the hook C of the scaffold board C. The clamp 52 allows connection of the vertical pipe D and the distal end of the horizontal main body portion 50.

The grip portion 53 includes a guy 1-53a which is integrally connected to the base end of the horizontal body portion 50 by welding or the like;
A stopper 53 is detachably disposed on the guide 53a.
It consists of b.

The guide 53a has four parts on its inner side, into which the columnar body 20 constituting the reinforcing member 2 can be fitted, and the stopper 53b has four parts that allow the columnar body 20 that constitutes the reinforcing member 2 to fit therein. It is formed so that it can be held between the guide 53a and the guide 53a by a screwing operation.

The gripping portion 54 also includes a guide 54a that is integrally connected to the base end of the cane portion 51 by welding or the like;
It consists of a slot 1 to a collar 54b screwed onto the guide 54a.

The guide 54a has four parts on the inside thereof into which the columnar body 20 constituting the reinforcing member 2 can be fitted, and the guide 54a is longer than the side wing forming the four parts. The above-mentioned stopper 54b is disposed on one wing.

Further, the stopper 54b is formed so that its tip can be located within the four parts 20a of the columnar body 20 fitted into the recessed portion by the screwing operation.

That is, the gripping portion 53 allows the arm 5 to be integrally connected to the reinforcing member 2, whereas the gripping portion 54 prevents the tip of the arm 5 from lifting up. It is said that this is possible.

Note that the shape of the guide 54a of the gripping portion 54 is the same as the shape of the guide 53a of the gripping portion 53,
The stopper 54b screwed onto the guide 54a may be omitted.

The functions of the concrete temporary frame device according to the present invention formed as described above will be briefly explained.

First, when forming a desired so-called temporary frame, a plurality of formwork materials 1 of predetermined dimensions are arranged in accordance with the size and shape of the target concrete body A so that their axial directions are in the horizontal direction, In addition, the connector 6 is used to integrate the connectors.

Next, on the back side of the plurality of formwork members l arranged in the horizontal direction and connected, columnar bodies 20 constituting the reinforcing member 2 are arranged in the vertical direction at appropriate intervals so as to form a left and right pair. Set up

Then, a fastener 3 is interposed on the reinforcing member 2, and
Using the fastener 3, connect the formwork material l and the reinforcing member 2.
and are integrally connected.

Note that each of the above-mentioned works is performed at a construction site, that is, a location other than the concrete pouring site.

If the combined formwork material 1, reinforcing member 2, and fastener 3 formed through the above operations is to be transported to a so-called temporary frame installation position using a crane, etc., and fixed therein. Basically, it can be assumed that the formation of the so-called temporary frame has been completed, but in order to simplify the subsequent work, it is preferable to add the following works.

That is, it is preferable to interpose the tightening tool 4 and attach the arm 5 to the reinforcing member 2 which is integrally connected to the formwork material 1.

By installing the above-mentioned tightening device 4, it becomes possible to connect the separator B for setting the wall thickness of the concrete body A to the tightening device 4, and by attaching the arm 5, It was decided that scaffold board C could be erected on 5.
This facilitates the formation of so-called temporary scaffolding.

The temporary frame according to the present invention erected at a predetermined position as described above is opposed to another temporary frame, and a predetermined amount of concrete is poured into the gap formed between both plate frames. Ru.

When reusing the temporary frame in the same form, the tightening device 4 interposed in the reinforcing member 2 and the separator B buried in the concrete frame A are separated after the poured concrete has solidified. For example, while lifting the temporary frame with a crane, the temporary frame is removed from the concrete frame A, and the removed temporary frame is moved to a new specified location using the crane. The equipment will be transported to the desired location and erected.

In addition, when removing the temporary frame from the concrete frame A, the scaffold board C may be removed from the arm 5 and the arm 5 may be removed from the reinforcing member 2 in advance.

〔Effect of the invention〕

As described above, according to the present invention, it is possible to form a so-called temporary frame in a form suitable for a desired concrete frame in advance at a construction site, that is, at a location other than the concrete pouring site, and also It is now possible to use a crane, etc. to install the pre-formed temporary frame at the concrete pouring site, and it is possible to quickly install the so-called temporary frame at the concrete pouring site, and to achieve the desired result. In particular, the long-term problem of obtaining a concrete frame is not an issue.
When the desired concrete frame is formed continuously and is large in size, there is an advantage that the number of working days for forming and dismantling the so-called temporary frame can be shortened to the width of the strip.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view showing an example of implementation of a temporary concrete frame device according to the present invention, FIG. 2 is a partially enlarged perspective view thereof,
Figure 3 is a partially enlarged perspective view showing the connected state of formwork materials;
The figure is a perspective view showing a connecting device according to the present invention, FIG. 5 is a cross-sectional view showing a state in which a formwork member and a reinforcing member are connected by a fastener, and FIG. 6 is a reinforcing member of a fastening device according to the present invention. FIG. 7 is a perspective view showing the fastener, FIG. 8 is a perspective view showing the fastener, and FIG. 9 is a cross-sectional view showing the interposed state of the arm in the same manner as FIG. 5. FIG. 10 and FIG. 11 are cross-sectional views showing how the base end of the arm is attached to the reinforcing member. ■... Formwork material, 2... Reinforcement member, 3... Fastener 4... Tightening tool, 5... Arm, 6... Connector, 10... Molding part,
11... Rising part, lla... Long hole, 20... Column body, 20a... Recessed part, 30... Locking body, 31... Hook body, 31b... Hook part, 40... Locking body , 41...Tension body, 50...Horizontal body part, 51...Handle part, 53.5
4. Gripping part, A. Concrete frame, B. Separator, C. Scaffolding board.

Claims (5)

[Claims] (1) In a temporary concrete frame device in which reinforcing members are adjacent to a plurality of formwork members arranged so that the axial direction is the horizontal direction, and the reinforcing members are adjacent to each other so that the axial direction is the vertical direction, the reinforcing members are arranged in a pair of columnar shapes. The reinforcing member is integrally connected to the reinforcing member by a fastener interposed in the reinforcing member. Temporary frame equipment for concrete. (2) The fastener has a hook body that penetrates through the center of a locking body for fitting the columnar body into the recesses that it has on the left and right, and whose rear end side is locked to the locking body, and the hook 2. A temporary concrete frame device according to claim 1, wherein the body is formed so that its end hook portion is engaged with the formwork material. (3) The formwork material has an elongated hole drilled along the axial direction of the formwork material in the rising part protruding from the rear side of the forming part that forms the surface of the concrete frame, and The temporary concrete frame device according to claim 1, wherein a connecting tool is inserted into the elongated hole to enable connection with adjacent formwork materials. (4) The reinforcing member can be interposed with a fastener, and the fastener can be connected to one end of a separator that is disposed inside the formwork material and passes through the formwork material. A temporary concrete frame device as described in Scope 1. (5) The temporary concrete frame device according to claim 1, wherein an arm for receiving a scaffold board is detachably attached to the reinforcing member.