KR102179294B1 - Transformable formwork apparatus and method for manufacturing concrete precast wall - Google Patents

Abstract

The present invention is a formwork device for manufacturing a precast concrete wall including an upper plate (A), a lower plate (B) and a truss (T) that is placed between the upper plate and the lower plate to support the upper plate, and reinforced a reinforcing bar at the top. A rectangular table (2) that can be used, a maguri (3) that is installed along the edge of the table and has the outer shape of the matching end of the plate (3), H-beam columns (4) installed at appropriate intervals on both sides in the transverse direction, vertical It includes an H-beam column (5) installed to be spaced apart in the direction. Each of the transverse H-beam pillars 4 protrudes inward and includes a pedestal 41 that is movable vertically along the transverse H-beam pillar 4, and the pedestal 41 includes a horizontal beam (6). ) Are installed in parallel, the top plate is placed between the horizontal beams 6, and includes a bracket 7 placed over the top plate and the horizontal beams 6 in the longitudinal direction. Such a device makes it easier to manufacture a wall having two symmetrical plates.

Description

Formwork device for manufacturing precast concrete wall and manufacturing method of wall {TRANSFORMABLE FORMWORK APPARATUS AND METHOD FOR MANUFACTURING CONCRETE PRECAST WALL}

The present invention relates to a formwork device used to manufacture a concrete wall, which is a precast (PC) concrete structure including a truss between the plates, and in more detail, it includes a bracket and a stopper that enables the left and right slides of the upper plate, which is a disc. It relates to a formwork device and a method of manufacturing a wall.

In general, as a formwork for manufacturing a precast concrete wall, a vertical formwork for manufacturing a concrete wall vertically erected is mainly used. For example, registration utility model No. 20-0242485 describes a formwork installation structure used to construct wall concrete, which is a concrete structure. Here, plywood is vertically installed on both sides and the width of the plywood is finely tightened by bolts. to be.

It is very inconvenient to make the wall vertically and use it for a wall including a truss in the middle of the plate.

Next, in the patent registration 10-0621130 (August 30, 2006), in the "die fixing and spacing control device", the jack is connected to one end of the connecting rod between the dies from the outside of the one end of the connecting rod between the dies. It includes a gap adjusting device that is removed from the connecting rod between the forms after adjusting the spacing of the formwork by pulling the connecting rod between the formwork, and it is possible to easily remove and separate the cured concrete wall from the formwork. It takes a rather complex form, including, racks, etc.

In the "Variable Beam Mold for Precast Concrete Manufacturing" of Patent Registration No. 10-1705270 (February 3, 2017), which is another conventional technology, the variable beam mold for precast concrete manufacturing is fixed side gates through a length adjusting rod formed in a maguri. The length can be adjusted by moving after being fixed or separated by a hole formed at regular intervals on the movable side gate, and a width adjustment base formed with holes at regular intervals on the movable side gate is combined with the coupling hole formed on the mold base and fixed. It is characterized in that the width can be adjusted by moving toward the fixed side gate after being separated. Here, the width and length of the maguri can be adjusted so that precast concrete of various sizes can be produced. And it also includes a height adjuster. However, in this patent, it is not intended to manufacture a wall including a truss in the middle of the plate, and therefore, there is a problem in that they cannot be applied and used as they are in order to accurately position the upper and lower plates.

It is an object of the present invention to provide a formwork apparatus capable of manufacturing a precast concrete wall including a truss between plates of various dimensions with one formwork.

Another object of the present invention is to provide a formwork device that can be positioned symmetrically according to the dimensions and shapes of the upper and lower plates.

Another object of the present invention is to provide a formwork device capable of moving a horizontal beam up and down depending on the height of the disk.

Another object of the present invention is to provide a formwork device capable of moving a disk in the longitudinal direction.

Another object of the present invention is to provide a formwork device for positioning and fixing a disc in the transverse and longitudinal directions.

Another object of the present invention is to provide a formwork device capable of easily removing a concrete wall from a formwork.

Another object of the present invention is to provide a method for manufacturing a precast concrete wall using the formwork device of the present invention.

In order to achieve the above object, as a formwork device for manufacturing a precast concrete wall including an upper plate, a lower plate and a truss that is placed between the upper plate and the lower plate to support the upper plate, a rectangular table capable of reinforcing reinforcement on the upper part , A maguri installed along the edge of the table and having an outer shape of the fitting end of the plate on one side, an H beam pillar installed at appropriate intervals on both sides in the transverse direction, and an H beam pillar installed spaced apart in a longitudinal direction.

Each of the transverse H-beam pillars protrudes inward and includes a pedestal movable up and down along the transverse H-beam pillars, and horizontal beams are installed in parallel on the pedestal, and a top plate is placed between the horizontal beams. It includes a bracket placed longitudinally across the top and horizontal beams.

In a preferred embodiment, the means for supporting the pedestal for moving the horizontal beam and for vertically moving it is provided on the transverse H-beam column.

In a preferred embodiment, it comprises a fixing means for fixing the upper plate to the bracket by sliding it in the longitudinal direction. In a more preferred embodiment, the fixing means includes a hole provided in the upper plate and a bolt that is movably installed along the slot of the bracket.

In a preferred embodiment, as a means for positioning and fixing the upper plate in a transverse direction, a stopper capable of adjusting a distance between the upper plate and the horizontal beam is included.

In a preferred embodiment, as a means for positioning and fixing the top plate in the longitudinal direction, it includes an additional stopper that is adjustable in distance between the top plate and the longitudinal H-beam pillar.

In a more preferred embodiment, the stopper has an a-shaped shape in a vertical surface and a horizontal surface in contact with the side surface of the upper plate, and the horizontal surface includes a longitudinally elongated rectangular groove.

Method An embodiment of the present invention is a method of manufacturing a precast concrete wall using the above-described formwork device, the step of aligning the height of the horizontal beam almost horizontally with the upper plate by adjusting the support, and adjusting the bracket to adjust the width of the fixed maguri Slide the top plate to fit the directional frame and the longitudinal frame, and if the lateral frame and the longitudinal frame of the top plate and Maguri fit, fixing the bracket and the top plate with bolts, and adjusting the stopper between the top plate and the horizontal beam And fixing the position of the upper plate in the longitudinal direction by fixing the position in the direction and adjusting a stopper between the upper plate and the longitudinal H-beam pillar.

In another embodiment of the present invention, in the method of fixing only one of the transverse and longitudinal frames of the maguri and fixing the rest later, the lateral position of the maguri is fixed based on the lateral side of the fixed upper plate. Fixing the transverse frame, and fixing the remaining longitudinal frame of the maguri with respect to the longitudinal side of the fixed upper plate in the longitudinal position of the maguri.

The present invention can produce precast concrete walls of various dimensions with one formwork. In addition, it is easy to manufacture a symmetrical replica lower plate that precisely matches the shape and dimensions of the upper plate. Therefore, when the concrete walls are connected to each other, the shape at the mating surface of the upper plate and the lower plate is matched, so that it does not cause a problem when assembling the precast concrete wall at the site. And it is possible to facilitate dimension and symmetry by sliding the upper plate in the transverse and longitudinal directions. Consequently, the formwork device of the present invention makes it possible to more easily manufacture a wall having two symmetrical plates.

1 is a perspective view of a precast concrete wall.
Figure 2 is a front view of Figure 1
3 is a perspective view of a formwork device for manufacturing the precast concrete wall of the present invention.
FIG. 4 is an enlarged view of parts of FIG. 3 and shows one vertical column, a stopper, and a bracket.
5 shows a perspective view in which a top plate is placed in a formwork device for manufacturing a precast concrete wall of the present invention.
FIG. 6 is an enlarged view of parts of FIG. 3 and shows another vertical column, a stopper, and a pedestal.
7 shows a step of arranging a top plate on a formwork with a lift, which is one step of the method for manufacturing the precast concrete wall of the present invention.
8 is an overall perspective view of the present invention in which the lower plate is being cured in the precast concrete wall of the present invention.

Matters concerning the operational effects, including the technical configuration for solving the above problems of the precast concrete wall formwork apparatus according to the present invention, will be clearly understood by the detailed description below with reference to the drawings in which a preferred embodiment of the present invention is shown. .

In addition, in describing the present invention, when it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. That is, the description of the components essential to the precast concrete wall formwork apparatus of the present invention, but not related to the characteristic configuration of the present invention, will be omitted. And in the case of structural symmetry, only one will be described. The other side of the structure will be applied equally.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to enable those skilled in the art to easily implement the present invention.

1 to 8 are views for helping understanding the formwork of the precast concrete wall of the present invention.

1 shows a perspective view of the precast concrete wall of the present invention. And FIG. 2 shows a front view of FIG. 1. 1 and 2, it includes an upper plate (A), a lower plate (B) and a truss (T) that is placed between the upper plate and the lower plate to support the upper plate. The upper and lower plates are symmetrically placed. Each of the upper and lower plates has a fitting end (E) extending along a cross section. When installing the concrete wall on the site, connect the plates together by accurately fitting the fitting ends of the plates. Concrete walls can be used in waterways.

The present invention relates to a formwork structure for manufacturing the precast concrete wall shown in FIG. 1, and the formwork for horizontally curing the concrete wall is a rectangular table (2) capable of reinforcing reinforcing bars on the top, the table It is installed along the edge and includes a maguri 3 having an outer shape of the fitting end of the plate on one side. Therefore, in manufacturing a single plate, reinforcement is placed inside the maguri and concrete is poured and cured to produce it. When making a plate, inserts can be inserted into the plate and necessary holes can be installed. After the curing process is completed, all the maguri are disassembled and the finished concrete plate is lifted from the table and moved.

In the case of a steel formwork, a concrete plate of a certain shape can be continuously poured and used several times, and the finished surface is smooth and easy to construct. For this reason, steel forms are mostly used for precast concrete products.

In the present invention, when manufacturing the precast concrete wall shown in FIG. 1, an upper plate and a lower plate having correct dimensions symmetrical to each other should be manufactured. The structure of the formwork required for this and the necessary devices will be described below.

3 is a perspective view of a formwork structure for a precast concrete wall of the present invention, a table having a long transverse direction and a short longitudinal direction is placed on the floor, and a maguri is installed at the edge of the table. On both sides of the transverse direction, two H-beam pillars 4 are installed at appropriate intervals, and H-beam pillars 5 are installed to be spaced apart in the longitudinal direction. Each transverse H-beam column 4 protrudes inward and includes a pedestal 41 that is movable up and down along the transverse H-beam column 4. Horizontal beams 6 are installed in parallel on the pedestal 41. The horizontal beam 6 is movable up and down according to the movement of the pedestal 41 according to the height of the previously manufactured upper plate. It protrudes inward to the longitudinal H-beam pillar 5 as well, and includes a pedestal 51 that is movable up and down along the longitudinal H-beam pillar 5. Instead of H-beam pillars, various shapes of pillars can be used.

Means for moving the pedestal 41 up and down are shown on the right side of FIG. 4. As shown in Figure 4, the column 4 includes a threaded rod 42 installed vertically. Accordingly, the pedestal 41 is vertically movable along the threaded rod 42. The means for moving the pedestal 41 up and down may include various mechanisms such as a lift.

Next, Fig. 5 is a perspective view of the formwork of the present invention viewed obliquely from above. As shown in Fig. 5, the upper plate is placed between the horizontal beams 6, and includes a bracket 7 placed over the upper plate and the horizontal beam 6 in the longitudinal direction. The bracket 7 is fixed by setting the position of the upper plate. A means for positioning and fixing the upper plate with the bracket 7 by sliding the upper plate in the longitudinal direction will be described with reference to FIG. 4 again.

The left view of FIG. 4 is an enlarged view of the bracket 7 placed on the upper plate, and the bracket 7 has an elongated slot 71 formed in the center, and a hook 72 that can move it by a crane or the like is installed at both ends. Has been. It includes a bolt 73 movable along the slot 71. The bolt 73 has a head that is larger than the width of the slot 71, and the end of the bolt is coupled to a hole (not shown) previously installed in the upper plate. Therefore, the upper plate can slide horizontally in the space between both horizontal beams 6, the position is set, and the bracket 7 is firmly fixed to the upper plate by fixing the bolt 73 to the hole in the upper plate.

In addition, a stopper 8 for adjusting the distance between the upper plate and the horizontal beam is shown in FIG. 4. As shown in Fig. 4, the stopper 8 is a component capable of moving the upper plate in the longitudinal direction. That is, the stopper 8 fixes the upper plate by adjusting the distance between the upper plate and the horizontal beam 6 according to the width of the upper plate. The stopper 8 has a vertical surface 81 in contact with the side surface of the upper plate and a horizontal surface 82 placed on the horizontal beam 6 vertically thereto. In the horizontal plane 82, a rectangular groove 83 that is elongated in the longitudinal direction is formed. The bolt fixed to the horizontal beam 6 is inserted into the rectangular groove 83. When the position of the top plate is set, the stopper (8) is firmly fixed by tightening the bolt nut to the rectangular groove (83).

7 is a perspective view in which a stopper 8'for adjusting the distance between the upper plate and the longitudinal H-beam column 5 is installed. As shown in Fig. 7, the stopper 8'is a component capable of moving the upper plate in the transverse direction. That is, the stopper 8'fixes the upper plate by adjusting the distance between the upper plate and the longitudinal H-beam column 5 according to the length of the upper plate. The stopper (8') is a vertical surface (81') in contact with the side of the upper plate and a horizontal surface (82') placed on the upper part of the pedestal 51 perpendicular thereto, and has a shape of a letter. The horizontal plane 82' is formed with a rectangular groove 83' that is elongated in the transverse direction. The bolt fixed to the pedestal 51 is inserted into the rectangular groove 83'. When the position of the top plate is set, the stopper (8') is firmly fixed by tightening the bolt nut to the rectangular groove (83'). In addition, the pedestal 51 is vertically movable along a threaded rod vertically installed on the column.

A method of manufacturing a precast concrete wall having the above-described device configuration will be described later.

In the above-described formwork of the present invention, a maguri 3 having a transverse frame and a longitudinal frame is installed at a predetermined position along the edge of the table according to the wall size of a desired size on the rectangular table 2. Next, reinforcement is placed on the maguri (3), and trusses and inserts are installed on it. Concrete is poured into the maguri (3) and cured. The maguri 3 is separated and the cured concrete plate is lifted with a crane and placed upside down (see Fig. 7). At this time, when turned upside down, the truss (T) is put down, and the concrete plate forms a disc, referred to as the top plate (A).

Next, in order to form the lower plate of the same shape as the upper plate (A), which is the original plate, first, the transverse frame and the longitudinal frame of the maguri 3 are placed at the same place as when the upper plate was manufactured on the table (3). Fix each. Reinforcement is placed on the table (3) in the same way as the top plate, and the top plate is turned over. At this time, the truss (T) is placed under the top plate. By adjusting the pedestal 41, the height of the horizontal beam 6 is aligned almost horizontally with the top plate. Next, adjust the bracket (7) to slide the top plate to fit the lateral and longitudinal frames of the fixed maguri (3), and if the lateral and longitudinal frames of the top and maguri (3) fit, the bracket (7) and Fix the top plate with bolts (73). And by adjusting the stopper (8) between the upper plate and the horizontal beam (6) to fix the position of the upper plate in the lateral direction, and by adjusting the stopper (8') between the upper plate and the longitudinal H-beam column (5) Fix the longitudinal position. At this time, the maguri frame can be positioned and fixed by measuring the distance between the top plate and the beam column, and the maguri frame can be positioned and fixed by lowering the weight vertically from the top plate.

In another embodiment of the method of the present invention, in order to form the lower plate having the same shape as the upper plate A, which is the original plate, first, one of the transverse frame and the longitudinal frame of the maguri 3 are fixed on the table 3 do. Reinforcement is placed on the table (3) in the same way as the top plate, and the top plate is turned upside down. At this time, the truss (T) is placed under the top plate. By adjusting the pedestal 41, the height of the horizontal beam 6 is aligned almost horizontally with the top plate. Next, adjust the bracket (7) to slide the top plate to fit the lateral and longitudinal frames of the fixed maguri (3), and if the lateral and longitudinal frames of the top and maguri (3) fit, the bracket (7) and Fix the top plate with bolts (73). And by adjusting the stopper (8) between the upper plate and the horizontal beam (6) to fix the position of the upper plate in the lateral direction, and by adjusting the stopper (8') between the upper plate and the longitudinal H-beam column (5) Fix the longitudinal position. The lateral position of Maguri (3) is fixed with respect to the horizontal side of the top plate, and the remaining lateral frame of Maguri (3) is fixed, and the longitudinal position of Maguri (3) is based on the longitudinal side of the fixed top Fix the rest of the longitudinal frame of the maguri (3). At this time, the maguri frame can be positioned and fixed by measuring the distance between the top plate and the beam column, and the maguri frame can be positioned and fixed by lowering the weight vertically from the top plate.

This creates a model frame with the same dimensions as the top plate.

After that, the final precast concrete wall shown in Fig. 1 is produced through the process of pouring and curing concrete in the same way as the top plate.

8 is an overall perspective view of the present invention in which the lower plate is being cured in the precast concrete wall of the present invention. As shown in Fig. 8, a table is placed on the floor and a maguri is installed on the edge of the table. And the upper plate is fixed to the bracket (7) and stoppers (8, 8'). Reinforcing bars are laid in the maguri, and concrete is poured on top of them to cure the lower plate. A truss is placed in the center of the lower plate in the longitudinal direction.

In the above, specific embodiments of the present invention have been described as examples, but these are only for the purpose of explanation and are not intended to limit the protection scope of the present invention. It will be apparent to those of ordinary skill in the art that various substitutions, modifications, and changes are possible within the scope not departing from the technical spirit of the present invention.

A: The top plate, which is the original plate
B: lower plate
T: truss
E: Fit end
2: table
3: Maguri
4, 5: vertical column
6: horizontal beam
7: bracket
8, 8': stopper

Claims (9)

As a formwork device for manufacturing a precast concrete wall including an upper plate having a fitting end (E) extending along a cross-section, and a truss that is placed between the upper plate and the lower plate to support the upper plate,
A rectangular table that can reinforce reinforcement at the top, a maguri that is installed along the edge of the table and has the outer shape of the matching end of the plate, and four H-beam columns are installed two at each side in the transverse direction, separated in the longitudinal direction It includes a H-beam column installed so that,
Each of the transverse H-beam pillars protrudes inward and includes a pedestal movable up and down along the transverse H-beam pillars, and horizontal beams are installed in parallel on the pedestal, and a top plate is placed between the horizontal beams. It includes a bracket placed over the top plate and the horizontal beam in the longitudinal direction,
The four H-beam columns, the support and the horizontal beam are used to level the upper plate, and the bracket is a formwork device for manufacturing a precast concrete wall fixing the horizontal upper plate. The method of claim 1,
The means for supporting the support for moving the horizontal beam and moving vertically is a formwork device for manufacturing a precast concrete wall installed on the transverse H-beam column. The method of claim 1,
Formwork device for manufacturing a precast concrete wall comprising a fixing means for fixing to the bracket by sliding the upper plate in the longitudinal direction. The method of claim 3,
The fixing means is a formwork device for manufacturing a precast concrete wall comprising a hole provided in the upper plate and a bolt that can be installed movably along the slot of the bracket. The method of claim 1,
A formwork device for manufacturing a precast concrete wall comprising a stopper capable of adjusting a distance between the upper plate and the horizontal beam as a means for fixing the upper plate in a horizontal direction. The method of claim 1,
A formwork device for manufacturing a precast concrete wall comprising an additional stopper capable of adjusting a distance between the upper plate and the longitudinal H-beam column as a means for positioning and fixing the upper plate in the longitudinal direction. The method of claim 5,
The stopper is a formwork device for manufacturing a precast concrete wall including a vertical surface and a horizontal surface in contact with the side surface of the upper plate in an a-shape, and the horizontal surface includes a longitudinally elongated rectangular groove. As a method for producing a precast concrete wall using the formwork device according to any one of claims 1 to 7,
Adjusting each of the pedestal to horizontally align the top plate with the height of the horizontal beam,
Adjusting the bracket to slide the upper plate in accordance with the horizontal and vertical frames of the fixed Maguri, and fixing the bracket and the upper plate with bolts when the horizontal and vertical frames of the upper plate and Maguri match,
Precast comprising the step of adjusting the stopper between the upper plate and the horizontal beam to fix the position of the upper plate in the lateral direction, and adjusting the stopper between the upper plate and the longitudinal H-beam column to fix the position of the upper plate in the longitudinal direction How to make concrete walls. The method of claim 8,
The remaining lateral frames of the maguri are fixed with respect to the lateral side of the top plate in which the lateral position of the maguri is fixed, and the remaining longitudinal frames of the maguri are set based on the longitudinal side of the fixed top plate. Method of manufacturing a precast concrete wall comprising the step of fixing.

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