JPH0762864A - Form device of column - Google Patents

Abstract

PURPOSE:To facilitate assembling and disassembling and accurately and rapidly connect and position panel forms at a construction site, by connecting panel forms adjacent to a square column and detachably connecting a pair of L-shaped units. CONSTITUTION:Casters are held on three supports 1 of a L-shaped unit B and level jacks are fitted to the nut of a support arm. And base brackets are held at the supports 1 of both side ends and a jack bolt is fitted to the front end thereof. And a scaffold bracket is fitted at the upper part of support 1 to guard rails. The hole part 10a is fitted by fixing bolts 12 and corner fasteners 8 are fitted to fixing bands 6. Next, a slab is erected and the units B is transferred horizontally to face each other and both ends are forced to contact each other. Next, the units B are leveled and positioned while adjusting on erecting to connect with each other. After that, concrete is placed in the metal form and the corner fasteners 8 are removed after curing and then the unit B is separated and disassembled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pillar formwork device,
More specifically, the present invention relates to a pillar formwork device that can be easily assembled and disassembled, and that the surface formwork can be connected and positioned on-site quickly and accurately.

[0002]

2. Description of the Related Art Conventionally, a pillar formwork has a face plate that has been machined to a predetermined size in advance according to the size of a frame, and after the face plate is mounted on the floor at the position of the pillar on the site, a thick piece of timber is used as a supporting structure for the face plate. I am trying to assemble it.

Further, in recent years, there is a tendency that the number of wall and slab separation driving methods is rapidly increasing due to demands for speedy construction and cost reduction. In this case, the mainstream method is to attach thick vertical and horizontal edges to the face plate, create a large integrated surface formwork for each surface of the pillar in advance, and carry it into the site with a crane, assemble it, and dismantle it. Has become.

[0004]

By the way, in the conventional method of attaching the face plate in the field first and then attaching the thick piece to this, a lot of mold technicians and skilled workers are required, and the separator is attached. Therefore, the process becomes complicated, which is not preferable.

Further, when the surface formwork integrated in advance is used, the surface formwork for each surface is carried into the pillar position on the floor surface, and the surface formworks are connected to each other at the time of assembly, Although it is necessary to adjust the level and adjust the positioning, the surface formwork is large and heavy, which requires a lot of time and labor.

The present invention has been made in view of the above circumstances, and is easy to assemble and dismantle, and moreover, the column formwork device is capable of quick and accurate connection and positioning of the surface formwork on site. Is intended to provide.

[0007]

In order to solve the above-mentioned problems, a pillar formwork apparatus according to a first aspect of the present invention is such that a pair of L-shape molds are formed by connecting two adjacent surface formworks of a pillar having a rectangular cross section. A mold unit is formed, and these L-shaped units are detachably connected to each other.

According to a second aspect of the present invention, there is provided a pillar formwork device in which each face formwork is formed by integrally joining a face plate and a supporting member thereof.

A pillar formwork apparatus according to a third aspect of the present invention is characterized in that the supporting work is clamped and fixed to the face plate by a band member.

According to a fourth aspect of the present invention, there is provided a pillar formwork device in which the face plate is formed of metal foam.

According to a fifth aspect of the present invention, there is provided a pillar formwork device characterized in that the L-shaped unit is provided with a variable size mechanism which can be changed according to a cross-sectional size of the pillar.

According to a sixth aspect of the present invention, there is provided the pillar formwork apparatus, wherein the variable dimension mechanism is provided at the intersection and / or the tip of the L-shaped unit.

According to a seventh aspect of the present invention, there is provided a pillar formwork device in which an L-shaped unit is provided with a level adjusting mechanism.

A pillar formwork apparatus according to claim 8 is characterized in that the L-shaped unit is provided with a construction adjusting mechanism.

A pillar formwork apparatus according to a ninth aspect is characterized in that the L-shaped unit is provided with casters.

A pillar formwork apparatus according to a tenth aspect of the present invention is characterized in that an L-shaped unit is provided with a scaffold bracket.

[0017]

According to the first aspect of the invention, a pair of L-shaped units are formed by connecting two adjacent surface molds of a column having a quadrangular cross section, and these L-shaped units are detachably connected to each other. Therefore, at the time of assembling or disassembling, it is not necessary to connect or separate the surface formwork, and the assembling or dismantling is easy. In addition, a pair of L-shaped units, which are manufactured to have a predetermined size according to the size of the frame of the pillar, are connected to each other to assemble the form, and at this time, the relative positions of the two adjacent surfaces are fixed, so the level is Positioning such as construction adjustments can be performed quickly and accurately. Moreover, the formwork dismantling is performed by separating the L-shaped units from each other and separating the L-shaped unit from the concrete, and after this dismantling, the formwork device is diverted to the formwork of another pillar.

According to the second aspect of the present invention, each face form is formed by integrally joining the face plate and the supporting members thereof, and the strength of the face plate can be secured with a simple structure.

According to the third aspect of the invention, the supporting work is firmly fastened by fastening the supporting work to the face plate with the band member.

According to the fourth aspect of the present invention, the metal foam is assembled to form the face plate that matches the cross-sectional shape of the column.

In the invention according to claim 5 or 6, the L-shaped unit can be diverted to a column having a different cross section by changing the portion corresponding to the cross-sectional dimension of the column.

According to the seventh aspect of the invention, the L-shaped unit is provided with the level adjusting mechanism, and the height can be adjusted by moving the L-shaped unit up and down, and the positioning at the time of assembly is easy.

According to the eighth aspect of the present invention, the L-shaped unit is provided with the installation adjustment mechanism, and the installation of the L-shaped unit is adjusted, whereby the positioning at the time of assembly is easy.

According to the ninth aspect of the invention, the casters are attached to the L-shaped unit, which can be used for assembly and disassembly, and can be transported laterally.

According to the tenth aspect of the invention, by attaching the scaffold bracket to the L-shaped unit, it can be used as a scaffold for formwork.

[0026]

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

FIGS. 1 to 17 are views showing an embodiment of a pillar formwork device, FIG. 1 is a front view, and FIG. 2 is a plan view.

The pillar formwork device A is constructed by connecting a pair of L-shaped units B to each other, and FIG. 3 is a plan view of the L-shaped units B separated from each other.

The L-beam C, which is a lateral end thick material and is arranged at a predetermined interval of the L-shaped unit B, is provided with laterally double laterally-supporting supports 1 as vertical end thickenings and four vertical lengths inside. The metal foam 2 is affixed in a layout of 3 rows and 3 rows. In this way, the metal foam 2 is assembled to form the face plate that matches the column cross-sectional shape, and a solid column form can be manufactured, and it can endure multiple diversions.

The support 1 is fastened to the metal foam 2 by the hook bolt 3 as a band member via the washer 4, and thus the support 1 is fastened to the metal foam 2 as a face plate by the band member. , Shoring 1 is firmly fastened.

Similarly, the L-beam C is tightened by the hook bolt 3 of the metal foam 2 through the tie washer 5 (FIGS. 10 and 11), and the L-beam C, the supporting structure 1 and the metal foam 2 are integrally joined. .

In this way, a pair of L-shaped units B are formed by connecting adjacent two-sided surface molds of a column having a quadrangular cross section, and in each surface mold, the face plate and its supporting structure are integrally joined. Formed, the strength of the face plate can be secured with a simple structure. Further, the L-shaped units B are detachably connected to each other, and the L-shaped unit B has a structure in which two adjacent surface molds are connected at a right angle.

The L beam C is constructed by connecting a fixed band 6 and a slide band 7. The fixing band 6 has a structure in which one end of each pipe is provided with holes 6a on the upper and lower surfaces at a predetermined interval, and at the other end, plate portions 6b are protruded face-to-face on the upper and lower surfaces and welded. 4 and 5).
Then, a corner tightening 8 (FIGS. 8 and 9) having a wedge hole 8a is rotatably attached to the hole 6a through a pin 9, and two bolt holes 6c are opened in the plate 6b. An adjusting bolt 6d is also provided.

The band body 10 of the slide band 7 is provided with hole portions 10a on its upper and lower surfaces at a predetermined interval at one end thereof.
The other end is a step portion 10b formed to be as thin as the wall thickness of the square pipe, and a nut 10d is welded to a lid portion 10c at the tip thereof (FIG. 6). Then, the adjusting pipe 11 (FIG. 7) is inserted into the step portion 10b, and the bolt 11c fixed to the lid portion 11a of the adjusting pipe 11 with the nut 11b is screwed into the nut 10d of the step portion 10b. Then, the mounting position of the adjust pipe 11 is finely adjusted. The adjustment bolt 11 has approximately 4 outwards in the horizontal direction.
The bracket portion 11d is formed at an angle of 5 degrees, and the wedge receiver 11e is provided there. And the fixed band 6
The slide band 7 is sandwiched between the plate portion 6b of the plate portion 6b at any position, and the bolt hole 6c of the plate portion 6b and the slide band 7
Align the holes 10a of the
2 is inserted, and the angle between the fixing band 6 and the slide band 7 is finely adjusted by the adjusting bolt 6d, and then the fixing bolt 12 is tightened, so that the fixing band 6 and the slide band 7 are connected and fixed, and the predetermined angle is accurately maintained. To be done.

Each L composed of such members
In the die unit B, casters 13 (see FIGS. 12 to 1) are attached to three supporting works 1 including both end portions via supporting arms 13a.
4) is supported, and the nut portion 13 of the support arm 13a is supported.
A level jack 14 as a level adjusting mechanism is attached to b. In addition, a base bracket 15 is supported on the supporting members 1 at both end portions, and a jack bolt 16 as a construction adjusting mechanism is attached to the tip of the base bracket 15. Further, a scaffold bracket 17 (FIGS. 15 and 16) for laying a scaffold plate is attached to the upper portion of the support work 1,
A handrail T is provided at this tip.

Therefore, when assembling a pillar formwork by the horizontal split driving method using this pillar formwork apparatus A, the position of the hole portion 10a of the slide band 7 is selected and fixed by the fixing bolt 12. Attach to the band 6, select the position of the hole 6a for the fixed band 6 in the same manner, and tighten the corner 9 with the pin 9.
The L-shaped unit B is adjusted in advance to the size of the frame of the pillar by attaching the, and the slab S is erected. Then, the root winding plate 18 is fixed to the slab S (FIG. 17), and the L-shaped unit B is horizontally moved by using the casters 13 so as to surround the root winding plate 18 so that they are opposed to each other. Abut. Next, level jack 14
And jack bolts 16 are used to adjust the level and construction of each L-shaped unit B for positioning.
In this state, the corner tightening 8 is rotated to cover the bracket portion 11d of the adjustment pipe 11 of the other party, and the wedge hole 8
The wedge 19 is inserted into a and the L-shaped units B are connected and fixed.

After that, concrete is poured to a predetermined level of the metal foam 2, and after the concrete is hardened, the corner tightening 8 is removed, the L-shaped units B are separated from each other, and the L-shaped unit B is separated from the concrete. Dismantling is complete. In this embodiment, the female screw anchor 20 is embedded in the upper part of the pillar structure due to the horizontal split driving method, and the anchoring form is fixed by using the anchor 20.

The column form device A that has been used once can be diverted any number of times, and as a dimension varying mechanism, the position of the hole portion 10a of the slide band 7 for fastening the fixing bolt 12 and the pin of the corner fastening 8 can be used. Fixed band 6 for attaching 9
By changing the position of the hole portion 6a, it is possible to use it for a pillar having a different cross section. Further, the upper work associated with the dismantling of the formwork is performed using the scaffold bracket 17.

FIG. 18 is a plan view of a pillar formwork apparatus showing another embodiment of the connecting portion of the L-shaped unit. The corner tightening 21 in this embodiment is formed in a U-shaped band, and the nut 21a welded to the bent portion is screwed with the bolt 21b, and the flat washer 2 is loosely fitted to the tip of the bolt 21b.
1c is sandwiched between a nut 21d and a round washer 21e to prevent it from coming off, and a handle 21 is attached to the head of the bolt 21b.
f is provided (FIGS. 20 to 22). The adjustment pipe 22 corresponding to the corner tightening 21 has a protrusion 22b formed at the tip of the bracket portion 22a.
When the flat washer 21c is pressed against the bracket portion 22a by tightening b, the corner tightening 21 is prevented from coming off (see FIG. 1).
9).

FIG. 23 is a plan view showing another embodiment of the band body. The band main body 23 of this embodiment is not provided with a stepped portion and has the same overall length and the same overall length. Therefore, the adjust pipes 24 and 25 into which the band body 23 is inserted are formed to have a slightly larger cross section (FIGS. 24 and 25).

26 and 27 are plan views showing another embodiment of the slide band. In the slide band of this embodiment, the bracket portions 26a and 27a are integrally welded to the band bodies 26 and 27 without providing the adjust pipe portion.

[0042]

As described above, according to the first aspect of the present invention, a pair of L-shaped units are formed by connecting two adjacent surface molds of a column having a quadrangular cross section to form a pair of L-shaped units. Because the units are detachably connected, when assembling or disassembling,
There is no need to connect or disconnect the surface formwork, and assembly and disassembly are easy. In addition, a pair of L-shaped units, which are manufactured to have a predetermined size according to the size of the frame of the pillar, are connected to each other to assemble the form, and at this time, the relative positions of the two adjacent surfaces are fixed, so the level is Positioning such as construction adjustments can be performed quickly and accurately. Moreover, the formwork dismantling is performed by separating the L-shaped units from each other and separating the L-shaped unit from the concrete, and after this dismantling, the formwork device is diverted to the formwork of another pillar.

According to the second aspect of the present invention, since each face form is formed by integrally joining the face plate and the supporting members thereof, the strength of the face plate can be secured with a simple structure.

According to the third aspect of the present invention, since the supporting work is clamped and fixed to the face plate by the band member, the supporting work can be firmly attached and is not loosened during construction.

According to the fourth aspect of the present invention, since the metal foam is assembled to form the face plate adapted to the column cross-sectional shape,
A solid column form can be made and can withstand multiple diversions.

According to the fifth or sixth aspect of the present invention, the L-shaped unit can be diverted to a column having a different cross section by making the portion corresponding to the column cross-sectional dimension variable, thereby improving versatility.

According to the seventh aspect of the invention, since the L-shaped unit is provided with the level adjusting mechanism, the L-shaped unit can be moved up and down by this level adjusting mechanism to adjust the height, and the positioning at the time of assembly is easy. Is.

According to the eighth aspect of the present invention, the L-shaped unit is provided with the installation adjusting mechanism, and the installation of the L-shaped unit is adjusted, whereby the positioning at the time of assembly is easy.

In the invention described in claim 9, since the casters are attached to the L-shaped unit, it can be used for assembling and disassembling, and lateral transportation is also possible.

According to the tenth aspect of the present invention, since the scaffold bracket is attached to the L-shaped unit, it can be used as a scaffold for formwork, and the scaffold for formwork can be simplified.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a pillar formwork device.

FIG. 2 is a plan view showing an embodiment of a pillar formwork device.

FIG. 3 is a plan view showing an embodiment of a pillar formwork device with an L-shaped unit separated.

FIG. 4 is a front view of a band showing an embodiment of a pillar formwork device.

FIG. 5 is a plan view of a band showing an embodiment of a pillar formwork device.

FIG. 6 is a plan view of a slide band showing an embodiment of a pillar formwork device.

FIG. 7 is a horizontal sectional view of an adjust pipe showing an embodiment of a pillar formwork device.

FIG. 8 is a cross-sectional view of corner tightening showing an embodiment of a pillar formwork device.

FIG. 9 is a plan view of corner tightening showing an embodiment of a pillar formwork device.

FIG. 10 is a cross-sectional view of a column tie washer showing an embodiment of a pillar formwork device.

FIG. 11 is a front view of a column tie washer showing an embodiment of the pillar formwork device.

FIG. 12 is a plan view of a caster showing an embodiment of the pillar formwork device.

FIG. 13 is a side view of a caster showing an embodiment of a pillar formwork device.

FIG. 14 is a front view of a caster showing an embodiment of a pillar formwork device.

FIG. 15 is a plan view of a bracket showing an embodiment of a pillar formwork device.

FIG. 16 is a side view of a bracket showing an embodiment of a pillar formwork device.

FIG. 17 is a cross-sectional view of a neck winding angle showing an embodiment of a pillar formwork device.

FIG. 18 is a plan view of a formwork apparatus showing another embodiment of the connecting portion of the L-shaped unit.

FIG. 19 is a sectional view of an adjust pipe.

FIG. 20 is a side view of corresponding corner tightening.

FIG. 21 is a cross-sectional view of the corresponding corner tightening.

FIG. 22 is a front view of corresponding corner tightening.

FIG. 23 is a plan view of a band body according to another embodiment.

FIG. 24 is a cross-sectional view of a wedge tightening type adjust pipe.

FIG. 25 is a cross-sectional view of a bolt tightening type adjust pipe.

FIG. 26 is a plan view of a slide band of another embodiment of a wedge tightening type.

FIG. 27 is a plan view of a slide band of another embodiment of the bolt tightening type.

[Explanation of symbols]

 A pillar formwork device B L type unit

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Shoichiro Higuchi 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. Construction company (72) Inventor Fumio Otake 2-8-2 Oshiage, Sumida-ku, Tokyo Okabe stock company (72) Inventor Yoshikazu Hirokawa 2-8-2 Oshiage, Sumida-ku, Tokyo Okabe stock company Within

Claims (10)

[Claims] 1. A pair of L-shaped units are formed by connecting adjacent two-sided surface molds of a column having a quadrangular cross section.
A pillar formwork device, wherein mold units are detachably connected to each other. 2. The pillar formwork apparatus according to claim 1, wherein each surface formwork is formed by integrally joining a faceplate and supporting members thereof. 3. The pillar formwork device according to claim 1, wherein the supporting structure is clamped and fixed to the face plate by a band member. 4. The pillar formwork apparatus according to claim 2 or 3, wherein the face plate is formed of metal foam. 5. The L-shaped unit is provided with a variable size mechanism that can be changed according to the column cross-sectional size.
Formwork device for the described pillar. 6. The variable dimension mechanism is provided at the intersection and / or the tip of the L-shaped unit.
Formwork device for the described pillar. 7. The pillar formwork apparatus according to claim 1, wherein the L-shaped unit is provided with a level adjusting mechanism. 8. The pillar formwork apparatus according to claim 1, wherein the L-shaped unit is provided with a building adjustment mechanism. 9. The pillar formwork apparatus according to claim 1, wherein the L-shaped unit is provided with casters. 10. The post formwork apparatus of claim 1, wherein the L-shaped unit comprises a scaffolding bracket.