JP2879438B1 - Mold setting equipment for ready-mixed concrete - Google Patents

Abstract

The present invention provides a ready-casting concrete form setting device that can easily and accurately assemble a form. SOLUTION: A plate-like pair of two frame members 10, 10,
The two frame members 10, 10 are mounted together with the form plates 40, 40 installed on the inner surfaces of the respective frame members 10, 10 in a state where the two frame members 10, 10 are set up substantially in parallel at positions separated by a predetermined distance.
And a fixing means including a pipe 35 and a nut 39. Reinforcing bar attachment portions 15 and 17 are formed on the outer surfaces of the frame members 10 and 10, and the reinforcing bar 50 is bridged between another pair of adjacent frame members 10 and 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ready-casting concrete form setting device which is suitable for setting a form used for setting ready-mixed concrete.

[0002]

2. Description of the Related Art A framework for placing ready-mixed concrete is formed on a foundation portion of various buildings such as a house, or soil is piled on one side of a concrete retaining wall, and then the concrete retaining wall is covered with soil. Conventionally, when the fresh concrete is further added and cast, a method of assembling a formwork made of a control panel or the like, pouring the ready-mixed concrete into the inside of the formwork, and removing the formwork after curing has been performed.

[0003]

However, the above-mentioned conventional method of assembling a formwork is complicated and poor in workability, and the work cannot be performed without a specialized formworker. In addition, the formwork that has been used once cannot be reused because the holes formed by the tightening bolts are irregular, resulting in industrial waste.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to easily and accurately assemble a formwork and to produce a modern ready-mixed concrete formwork with almost no industrial waste. It is to provide a device.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a rod-shaped or plate-shaped pair of frame members and a state in which the two frame members are set up at a position separated by a predetermined distance. Thus, a formwork installation tool for setting a ready-mixed concrete was provided, comprising a formwork plate installed on the inner surface of each frame member and fixing means for fixing the two frame members. Further, according to the present invention, a reinforcing rod mounting portion is formed on each outer surface of one set of frame members fixed by the fixing means, and the reinforcing rods to be bridged between adjacent sets of frame members are respectively provided. By attaching to the reinforcing rod attaching portion, the form plate set between the adjacent frame members is supported from the outside. Further, in the present invention, a holding bar is attached to at least one of the pair of frame members so that the tip thereof moves so as to approach or separate from the other frame member. Further, in the present invention, a height adjusting mechanism is provided at a lower end of the frame member.

[0006]

Embodiments of the present invention will be described below in detail with reference to the drawings.

[First Embodiment] FIG. 1 is a view showing a frame member 10 used in this embodiment, and FIG.
Is a perspective view seen from one surface side, and FIG. 2B is a perspective view seen from the other surface side. The frame member 10 shows an example in which the present invention is used to form a frame which is a foundation of a building such as a house or a warehouse.

As shown in FIG. 1, the frame member 10 is formed by bending a lower end of a flat main body 11 into an L-shape to form a leg 13.
Is formed. On one surface (outer surface) of the main body 11, reinforcing rod mounting portions 15, 17 which are bent up and down in an L-shape are provided. Reinforcing rod mounting part 1
Each of the rising portions 15a, 17a of 5, 17 has 2
The bolts 21 for each book are screwed. The main body 1
1 is provided with a through hole 19 at a predetermined position.

[0009] On the other hand, the main body 1 extends downward from the through hole 19 on the opposite side (inner side) of the main body 11.
1 is provided with a thick portion 25 made thicker.
One of upper corner portions 25a and 25b of thick portion 25
a has an acute angle, while 25b has an arc shape.

FIGS. 2, 3 and 4 are views showing a method of forming a mold for placing ready-mixed concrete as a foundation of a building using the frame member 10, and FIG. 2 shows an assembled form. 3 is a view of FIG. 2 viewed from the direction of arrow A, and FIG. 4 is a view of FIG. 2 viewed from the direction of arrow B.

As shown in FIG. 2, first, a pair of frame members 1
0, 10 are prepared and set at a predetermined distance, and then a bolt 31 is inserted from the through hole 19 of the right mold 10 and a cylindrical PVC pipe 35 is inserted around its outer periphery.
The tip is inserted into the through hole 19 of the left mold 10 and the nut 39 is loosely screwed to the tip of the bolt 31 protruding outward. As a result, the two frame members 10, 10 are set up substantially in parallel at positions separated by a predetermined distance.

Next, as shown in FIGS. 2, 3 and 4, plate-shaped laterally elongated form plates 40, 40 are respectively attached to the inner side surfaces of both frame members 10, 10 from above. Insert by joining the sides. As shown in FIG. 4, notches 41 and 43 are formed in lower corners of the form plates 40 and 40, respectively, and the respective shapes are upper end corners of the thick portion 25 of the frame member 10. 25a and 25b (see FIG. 1 (b)).
The insertion direction of 0, 40 is not mistaken. The notches 41 and 43 are provided so that they can be inserted from directly above with the form plates 40 and 40 joined together as shown in FIG. 4, and the thick portions 25 are provided. The reason for this is to make the thickness of the thick portion 25 equal to the thickness of the mold plate 40 so that any part of the opposing surface exposed inside the mold plates 40, 40 is planar.

Next, if the bolt 31 and the nut 39 shown in FIG.
Numeral 0 is firmly held and fixed by the end face of the pipe 35 and the inner surface of the frame member 10. The bolts 31 may be fixed together by welding them to the frame member 10 in advance.

Here, each set of frame members 10, 10 is to be attached to each end portion of the form plates 40, 40, one set at a time, and between each set of frame members 10, Reinforcement rods 5 composed of square rods on each of the reinforcement rod mounting portions 15, 17
0 and 50 are passed and each bolt 21 is screwed in and fixed. Thus, the outer side surfaces of the form plates 40, 40 are reinforced.

The form plates 40, 40 are assembled in this way, and after completing the form of a frame that is the basis of a building such as a house or a warehouse, ready-mixed concrete is poured into the form. At that time, since the form plates 40, 40 are reinforced by the reinforcing rods 50, there is no possibility that the form plates 40, 40 are bent outward by the weight of the ready-mixed concrete.

After the ready-mixed concrete has hardened, the reinforcing rods 50, 50 are removed, the fixing between the bolts 31 and the nuts 39 is removed, the frame members 10, 10 are removed, and then the form plates 40, 40 are removed. The concrete foundation of the building is completed. The pipe 35 serves as a drain hole while being poured into the ready-mixed concrete. If a drain hole is not required, it may be filled with ready-mixed concrete.

As described above, when the present embodiment is used, not only is it easy to assemble the formwork, but also a person who does not have special skills can accurately determine the distance between the formwork plates 40, 40 by the length of the pipe 35. Can be constant.

If the reinforcing rods 50, 50 are configured to be extendable and contractable like an extendable antenna, it is possible to cope with a change in the length of the form plate 40.

When it is desired to close the hole of the pipe 35, for example, as shown in FIG. 5, if the pipe 35 is shortened and small conical pipes 37 are attached to both ends thereof, the ready-mixed concrete can be removed. After being cast and hardened, the frame members 10, 10 and the form plates 40, 40 are removed, and the small pipes 37, 37 are removed, thereby forming a mortar-shaped concrete formed after the small pipes 37, 37. If ready-cast concrete is poured into the hole where the surface is exposed, this can be easily closed.

In the above embodiment, the frame member 10 is formed using a flat plate. However, the frame member 10 may be formed using a rod-shaped member.

When only the reinforcing rods 50, 50 cannot withstand the weight of the ready-mixed concrete and the form plates 40, 40 bend, as shown in FIG. Rod-shaped arms 20 of a reinforcing frame 200 formed in the shape of a bar
The reinforcing rods 50, 50 may be held from above so as to sandwich the reinforcing rods 1, 201 outside the reinforcing rods 50, 50, thereby preventing the reinforcing rods 50, 50 from bending.

Further, as shown in FIG. 10, outside and inside frame members 10 'and 10 "having a shape bent at a right angle are prepared at a portion where a frame serving as a foundation of a building is bent, and the inside thereof is provided. With the form plates 40 'and 40 "inserted, the bolts 31' and nuts 39 'with pipes 35' inserted in the vicinity of both ends of the form plates 40 'and 40" hold the form plates 40' and 40 "at a predetermined width. It is sufficient to fix with and put ready-mixed concrete.

Also, the thickened portion 25 may not be provided on the frame member 10 and its surface (inner surface) may be flat. In this case, FIG.
As shown in the figure, a substantially circular notch 45 is provided on the left side of each of the form plates 40 (40-1, 2, 3), and the frame members 10 and 40 are provided on the right side of the left form plate 40-1. 10 to pipe 3
5 is assembled with bolts 31 having attached thereto, and the form plate 40-2 is joined to the right form plate 40-1 by sliding the form plate 40-2 leftward from the right side. Is inserted, and this operation is sequentially performed toward the right side, so that the formwork may be assembled.

In the above-described embodiment, the upper and lower two
By providing the reinforcing rod mounting portions 15 and 17 at two locations, two upper and lower reinforcing rods 50 are provided. However, the reinforcing rod mounting portions and the reinforcing rods may be provided at three or more upper and lower locations or at one location. May be provided.

[Second Embodiment] FIG. 6 is a view showing a first frame member 60 used in a second embodiment of the present invention. FIG. 6A shows the frame member 60 viewed from one surface side. FIG. 2B is a perspective view as viewed from the other surface side.

As shown in the figure, the frame member 60 is provided with reinforcing rod mounting portions 65 and 67 above and below one surface (outer surface) of a flat plate-shaped main body 61 as in the first embodiment. A screw hole 69 and a guide projection 71 are provided on a surface of a mounting plate 63 which projects vertically from the lower center of the main body 61.
A pressing rod 73 is screwed into and penetrated below the lower part.

Here, the holding rod 73 is threaded,
By rotating the handle 76 bent in a crank shape, the handle 76 moves in the direction of arrow C.

At the lower end of the main body 61, a height adjusting plate 75 formed in an inverted T shape is attached. That is, the vertically long hole 7 provided in the vertical standing plate 77 at the center of the height adjusting plate 75
After the guide projection 71 is inserted into 9 and the height is adjusted to a desired height, a bolt 81 is inserted into the vertically long hole 79 and its tip is screwed into the screw hole 69 and fixed. Needless to say, the height adjustment mechanism can be variously modified. Reference numeral 78 denotes a through hole provided in the bottom plate of the height adjustment plate 75, and a reinforcing bar or the like is driven into the ground through the through hole 78 to prevent the height adjustment plate 75 from being displaced.

A cylindrical rod 83 protrudes from the opposite surface (inner surface) of the main body 61, and a quadrangular prism-shaped locking portion 85 is provided at the tip thereof. A screw hole 87 is provided in an end surface of the locking portion 85.

FIGS. 7A and 7B show the second frame member 100. FIG. 7A is a perspective view of the frame member 100 as viewed from one side, and FIG. 7B is a view of the second frame member 100 as viewed from the other side. FIG.

As shown in the figure, the frame member 100 is provided with reinforcing rod mounting portions 105, 107 on the upper and lower sides of one surface (outer surface) of a flat plate-shaped main body 101 as in the first embodiment. Further, a rectangular through hole 103 into which the locking portion 85 of the bar 83 (see FIG. 6) is fitted is provided above the reinforcing bar mounting portion 107 of the main body portion 101. The main body 1
A support projection 109 for mounting a second form plate 150 described below is provided on the inner side surface at the lower end of 01.

FIG. 8 shows the first and second frame members 60 and 10.
FIG. 9 is a side sectional view showing a method of forming a formwork capable of additionally striking ready-mixed concrete on the upper end side of the L-shaped retaining wall 500 using 0.

As shown in the figure, first, an L-shaped retaining wall 500 is set on the ground, and an embankment 501 is placed on the bottom plate of the L-shaped retaining wall 500 (not shown) up to the vicinity of the upper end thereof.

Next, the first and second frame members 60 and 100,
First and second form plates 140 and 150 are prepared. The first form plate 140 has circular through holes 141, 1 through the rod 83 and the holding rod 73 of the first frame member 60, respectively.
43, and a rod 83 is provided on the second form plate 150.
A rectangular through hole 151 penetrating the locking portion 85 at the tip is provided.

First, the rod 83 and the holding rod 73 of the first frame member 60 are inserted into the through holes 141, 14 of the first form plate 140.
3 and further inserted into cylindrical pipes 89 and 90 made of polyvinyl chloride, respectively, and the projection 92 of the circular contact plate 91 is inserted into the hole 74 (see FIG. 6) at the tip of the holding rod 73. Attach it loosely. Conversely, the tip of the holding rod 73 may be a projection, and the contact plate 91 may be provided with a recess, and the projection may be loosely attached to the recess.

Next, after the bolt 81 of the first frame member 60 is loosened to adjust the position of the height adjusting plate 75 in the height direction, the bolt 81 is fastened and fixed and placed on the embankment 501. The second frame member 100 was disposed on the outer surface of the L-shaped retaining wall 500, and provided on the second mold plate 150 in a state where the second mold plate 150 was placed on the support protrusions 109. Through hole 151 and through hole 10 provided in second frame member 100
The first and second frame members 60 and 100 are fixed by inserting the locking portion 85 at the tip of the rod 83 into the screw hole 3 and screwing the bolt 120 into the screw hole 87. Thus, the interval between the first and second form plates 140150 is accurately positioned by both end surfaces of the pipe 89.

Next, by rotating the handle 76, the contact plate 91 at the tip of the presser bar 73 is pressed against the surface of the L-shaped retaining wall 500. Thereby, the first and second frame members 6 are formed.
0, 100 and the first and second form plates 140, 150 are fixed to the upper end side of the L-shaped retaining wall 500, and the lower portion of the second form plate 150 and the outer surface of the L-shaped retaining wall 500 are in close contact. However, the ready-mixed concrete does not flow out from the joint surface between the second form plate 150 and the L-shaped retaining wall 500.

As in the first embodiment, the reinforcing rod mounting portions 65, 6 of the adjacent frame members 60, 60 and the adjacent frame members 100, 100 of the adjacent pair.
5, 67, 67, 105, 105, 107, 10
7 pass the reinforcing rods 50 and 50, respectively, and
Fixed by 0.

The ready-mixed concrete is poured into the thus assembled formwork, and after the ready-mixed concrete has hardened, the reinforcing rods 50, 50 are removed, the bolts 120 are removed, and the first and second frame members 60 are removed. , 100 and the first and second form plates 140, 150 are removed.

At this time, the two pipes 89 and 90 remain in the concrete, and the contact plate 91 also remains in the concrete. The pipe 89 can be used as a drain hole, but seals the inside if unnecessary.

FIG. 11 is a perspective view showing a modification of the first frame member 60 of the second embodiment, and FIG.
It is the perspective view which looked at 0-2 from the other side. In both figures, the same or corresponding parts as those of the first frame member 60 are denoted by the same reference numerals. In this frame member 60-2, the first frame member 60
The differences from the first embodiment are that the surface of the height adjustment plate 75 is attached to the surface of the main body 61 in parallel with a male screw and a nut, that the reinforcing rod attachment portion 65 is provided in six steps, and that the through-hole shown in FIG. Hole 1
FIG. 1 shows that a through hole 19 is provided for the same purpose as FIG.
Is provided in a strip shape over the entire length of the frame member 60-2 in the vertical direction. FIG. 2 shows a second frame member (not shown) (the second frame member has the same shape as the frame member 60-2, except that the handle 76 and the height adjustment plate 75 are not attached). It is fixed with bolts 31 and nuts 39 as shown. Fixing to the L-shaped retaining wall is performed by a handle 76. When the thick portion 25 is configured in this manner, the form plate to be attached can be inserted straight from above in the same manner as shown in FIG.
It is not necessary to provide the notches 41 and 43 as shown in FIG.
The reason why the reinforcing rod mounting portions 65 are provided in six stages is to make it possible to easily change the height at which the reinforcing rods are passed according to the height of the form plate to be mounted.

By increasing the height of the frame member according to the present invention in the vertical direction as compared with the above embodiment, it is possible to build a reinforced concrete building or an apartment building.
That is, the form member of the present invention can be applied to buildings.

By the way, as still another embodiment, rods are provided so as to protrude from both the first and second frame members 60 and 100, and a male screw is provided at a tip of one rod and a female screw is provided at a tip of the other rod. Alternatively, the first and second frame members 60 and 100 may be fixed with a predetermined distance therebetween by screwing them together. The point is that any structure may be used as long as the fixing means fixes the two frame members in a state where the two frame members stand substantially parallel to each other at a position separated by a predetermined distance.

[0044]

As described in detail above, according to the present invention, not only can the assembling of the formwork be performed easily and accurately without the use of a specialized formworker, but also the frame members and the formwork plates can be reused. It has an excellent effect that resources can be effectively used.

[Brief description of the drawings]

1A and 1B are diagrams showing a frame member 10 used in a first embodiment, wherein FIG. 1A is a perspective view of the frame member 10 viewed from one surface side, and FIG. It is the perspective view seen.

FIG. 2 is a side sectional view of the assembled formwork.

FIG. 3 is a view of FIG. 2 viewed from the direction of arrow A.

FIG. 4 is a view of FIG. 2 as viewed from the direction of arrow B.

FIG. 5 is a side sectional view showing a modification of the first embodiment.

FIGS. 6A and 6B are views showing a first frame member 60 used in the second embodiment, wherein FIG. 6A is a perspective view of the frame member 60 viewed from one surface side, and FIG. It is the perspective view seen from the surface side.

7A and 7B are diagrams showing a second frame member 100, wherein FIG. 7A is a perspective view of the frame member 100 viewed from one surface side, and FIG. 7B is a perspective view of the frame member 100 viewed from the other surface side. FIG.

FIG. 8 is a side cross-sectional view showing a method of forming a formwork for additionally stamping fresh concrete on the upper end side of the L-shaped retaining wall using the first and second frame members 60 and 100.

FIG. 9 is a diagram showing a modification of the first embodiment.

FIG. 10 is a plan view showing another embodiment.

FIG. 11 is a perspective view showing a modification of the first frame member 60 of the second embodiment.

FIG. 12 is a perspective view of the frame member 60-2 as viewed from the opposite side.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Frame member 15, 17 Reinforcement rod attachment part 31 Bolt (fixing means) 35 Pipe (fixing means) 37 Small pipe (fixing means) 39 Nut (fixing means) 40 Form plate 50 Reinforcement rod 60 First frame member 73 Holding Rod 83 Rod (fixing means) 89 Pipe (fixing means) 100 Second frame member 120 Bolt (fixing means) 140 First form plate 150 Second form plate 69 Screw hole (height adjustment mechanism) 71 Guide Projection (height adjustment mechanism) 75 Height adjustment plate (height adjustment mechanism) 81 Bolt (height adjustment mechanism)

Claims (4)

(57) [Claims] 1. A set of two rod-shaped or plate-shaped frame members, and a form plate set on the inner surface of each of the frame members in a state where the two frame members are set up at positions separated by a predetermined distance. Fixing means for setting a ready-mixed concrete, comprising fixing means for fixing the frame members. 2. A pair of frame members fixed by the fixing means, each having a reinforcing rod mounting portion formed on an outer surface thereof, and each of the reinforcing rods to be bridged between adjacent sets of frame members. The form setting device according to claim 1, wherein the form plates installed between adjacent sets of frame members are supported from outside by attaching to the reinforcing rod mounting portion. 3. A method according to claim 1, wherein at least one of said pair of frame members has a leading end approaching the other frame member.
3. The apparatus for setting a form for placing concrete in a ready-mixed concrete according to claim 1, further comprising a presser bar which moves so as to be separated. 4. The apparatus for setting a form for placing concrete in a ready-mixed concrete according to claim 1, wherein a height adjusting mechanism is provided at a lower end of the frame member.