KR20200069486A - Transformable formwork apparatus and method for manufacturing concrete precast wall - Google Patents

Abstract

The present invention relates to a mold apparatus for manufacturing a precast concrete (PC) wall comprising an upper panel (A), a lower panel (B), and a truss (T) disposed between the upper and lower panels to support the upper panel. According to the present invention, the mold apparatus comprises: a rectangular table (2) having a reinforcement bar arranged on an upper part; an end piece (3) installed along an edge of the table and including one surface having the appearance of a fitting end part of the panel; H-beam pillars (4) installed on both lateral sides at a proper interval; and H-beam pillars (5) vertically installed at a proper interval. Each of the lateral H-beam pillars (4) protrudes to the inside and includes a supporter (41) to vertically move along the lateral H-beam pillar (4). Moreover, horizontal beams (6) are installed in the supporter (41) in parallel, the upper panel is disposed between the horizontal beams (6), and a bracket (7) is hung and disposed in a direction perpendicular to the upper panel and the horizontal beam (6). Accordingly, such an apparatus can easily manufacture a wall having two symmetrical panels.

Description

FORMATION DEVICE AND METHOD OF MANUFACTURING CONCRETE PRECAST WALL FOR PRODUCING PRECAST CONCRETE WALLS

The present invention relates to a formwork device used to fabricate a concrete wall, which is a precast (PC) concrete structure including a truss between plates, and more particularly, includes a bracket and a stopper to enable sliding of the top plate, which is the original plate, left and right. It relates to a formwork device and a method of manufacturing a wall.

In general, a formwork for producing a precast concrete wall is mainly used as a vertical formwork for manufacturing a concrete wall in a vertically standing state. For example, in Utility Model Utility No. 20-0242485, a formwork installation structure used to construct wall concrete, which is a concrete structure, is opened. Here, the plywood is vertically erected on both sides, and the width of the plywood is clamped by finely bolting the plywood. to be.

It is quite inconvenient to use it for a wall containing a truss in the middle of a plate.

Next, in the patent registration 10-0621130 (August 30, 2006), the "formwork fixing and spacing control device" is a jack that is coupled to one end of the formwork connecting rod from the outside of one side fastener coupled to one end of the formwork connecting rod. It includes a gap adjusting device that is removed from the formwork connecting rod after adjusting the distance between the formwork by pulling the connecting rod between the formwork through the driving of the form, which can easily remove and remove the cured concrete wall from the formwork. , It takes a rather complicated form including racks.

In another prior art patent registration No. 10-1705270 (February 03, 2017), in the "Variable Bomold for Precast Concrete Production", the variable Bomold for Precast Concrete Production is fixed side gate through a length adjuster formed in the edge. And fixed to the hole formed at regular intervals on the moving side gate or fixed and separated to move and adjust the length, and a width adjusting table formed with holes at regular intervals on the moving side gate is fixed to be combined with a coupling hole formed in the mold base or After separation, it is characterized in that the width can be adjusted by moving toward the fixed side gate. Here, the width and length of the Maguri can be adjusted so that various sizes of precast concrete can be produced. And it also includes a height adjuster. However, this patent is not intended to manufacture a wall including a truss in the middle of a plate, and thus there is a problem that they cannot be used as they are applied as it is in order to accurately set the top and bottom plates.

It is an object of the present invention to provide a formwork device capable of manufacturing a precast concrete wall comprising trusses between plates of various dimensions in one formwork.

Another object of the present invention is to provide a formwork device that can be positioned symmetrically in accordance with the dimensions and shape of the upper and lower plates.

Another object of the present invention is to provide a formwork device that can move the horizontal beam up and down depending on the height of the original plate.

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

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

Another object of the present invention is to provide a formwork device that can easily remove a concrete wall from the 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 producing a precast concrete wall including a truss placed between the upper and lower plates and the upper plate and the lower plate to support the upper plate, a rectangular table capable of reinforcing a reinforcing bar at the top , H-beam pillars installed along the edge of the table, one side of which has the outer shape of the fitting end of the plate, and H-beam pillars spaced apart at appropriate intervals on both sides of the lateral direction, and H-beam pillars spaced apart in the longitudinal direction.

Each of the transverse H-beam pillars protrudes inward, and includes a pedestal that can be moved up and down along the transverse H-beam pillar, wherein the pedestal is provided with horizontal beams in parallel, and a top plate is placed between the horizontal beams. It includes a bracket placed longitudinally across the top plate and the horizontal beam.

In a preferred embodiment, means for supporting the pedestal for moving the horizontal beam and moving vertically are installed in the transverse H beam column.

In a preferred embodiment, it comprises a fixing means for sliding the top plate in the longitudinal direction to fix it to the bracket. In a more preferred embodiment, the fixing means include holes provided in the top plate and bolts that can be movably installed along the slots of the bracket.

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

In a more preferred embodiment, the stopper has an a-shape in a vertical plane and a horizontal plane which abut the side surface of the top plate, and the horizontal plane includes a long rectangular groove in the longitudinal direction.

Method embodiment of the present invention is a method of manufacturing a precast concrete wall using the above-described formwork device, adjusting the pedestal to level the level of the horizontal beam almost horizontally with the top plate, and adjusting the bracket to adjust the bracket width Sliding the top plate to fit the directional frame and the longitudinal frame, and fixing the bracket and the top plate with bolts when the lateral frame and the longitudinal frame of the top plate and the magi fit, adjusting the stopper between the top plate and the horizontal beam to adjust the lateral side of the top plate. And fixing the position in the direction, and adjusting the stopper between the top plate and the longitudinal H-beam pillar to fix the position in the longitudinal direction of the top plate.

As another embodiment of the present invention, in the method of fixing only one of the horizontal and longitudinal frames of the maguri and fixing the rest later, the lateral position of the maguri is rest of the maguri based on the lateral side of the fixed top plate. The method further includes fixing the transverse frame and fixing the remaining longitudinal frame of the maguri with respect to the longitudinal side of the fixed top 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 bottom plate that precisely matches the shape and dimensions of the top plate. Therefore, when the concrete walls are joined to each other, the shapes on the engaging surfaces of the upper and lower plates coincide and do not cause problems when assembling the precast concrete walls in the field. And it is possible to facilitate the dimension and symmetry by sliding the top plate in the lateral and longitudinal directions. As a result, the formwork device of the present invention makes it easier to 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.
Figure 5 shows a perspective view of the top plate is placed in the formwork device for producing 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 stand.
7 shows a step of disposing the top plate in a formwork with a lift, which is one step in 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 curing in the precast concrete wall of the present invention.

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

In addition, in the description of the present invention, when it is determined that detailed descriptions of related known technologies may unnecessarily obscure the subject matter of the present invention, detailed descriptions thereof will be omitted. That is, an essential element in the formwork device of the precast concrete wall of the present invention, but a component not related to the feature configuration of the present invention will be omitted. And, in the case of structural symmetry, only one side will be described. The other structure will also apply.

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 to understand the formwork of the precast concrete wall of the present invention.

1 now shows a perspective view of a precast concrete wall of the present invention. And FIG. 2 shows the front view of FIG. 1. 1 and 2, the upper plate (A), the lower plate (B) and a truss (T) placed between the upper plate and the lower plate to support the upper plate. The top plate and the bottom plate are symmetrical to each other. The top plate and the bottom plate each have a fitting end E extending along the cross section. When the concrete wall is installed in the field, the plates are connected to each other by precisely fitting the customized ends of the plates. Concrete walls can be used for waterways.

The present invention relates to a formwork structure for manufacturing the precast concrete wall shown in FIG. 1, and typically a formwork for horizontally curing a concrete wall is a rectangular table (2) capable of reinforcing a rebar at the top, the table It is installed along the edge and includes a maguri 3 having one side having an outer shape of the fitting end of the plate. Therefore, in the production of one plate, the reinforcement is reinforced inside the maguri and concrete is poured and cured. When making the 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 iron formwork, concrete plates 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, iron formwork is mostly used in precast concrete products.

In the present invention, when manufacturing the precast concrete wall shown in FIG. 1, it is necessary to manufacture an upper plate and a lower plate having accurate dimensions that are symmetrical to each other. The structure of the formwork and the necessary devices will be described below.

3 is a perspective view of a formwork structure for a precast concrete wall according to the present invention, a long table in the transverse direction and a short table in the longitudinal direction are placed on the floor, and a edge is installed at the edge of the table. Both sides of the transverse direction include an H beam pillar 4 spaced apart at an appropriate angle and an H beam pillar 5 spaced apart in the longitudinal direction. Each transverse H-beam pillar 4 protrudes inward, and includes a pedestal 41 movable up and down along the transverse H-beam pillar 4. On the pedestal 41, horizontal beams 6 are installed in parallel. The horizontal beam 6 is movable up and down according to the movement of the pedestal 41 according to the height of the pre-made top plate. The longitudinal H-beam pillar 5 also protrudes inward, and includes a pedestal 51 movable up and down along the longitudinal H-beam pillar 5. Columns of various shapes can be used instead of the H-beam column.

The means for moving the pedestal 41 up and down is shown on the right side of FIG. 4. As shown in Fig. 4, the pillar 4 includes a screw rod 42 vertically installed. Therefore, the pedestal 41 is vertically movable along the screw rod 42. The means for moving the pedestal 41 up and down may include various mechanisms such as a lift.

Next, Figure 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 the bracket 7 is placed across the upper plate and the horizontal beams 6 in the longitudinal direction. The bracket 7 is fixed by setting the position of the top plate. The means for positioning and fixing with the bracket 7 by sliding the top plate in the longitudinal direction will be described again with reference to FIG. 4.

The left side view of FIG. 4 is an enlarged view of the bracket 7 placed on the top plate, and the bracket 7 is formed with a long slot 71 in the center, and hooks 72 are installed at both ends to move it with a crane or the like. It is. It includes a bolt 73 movable along the slot 71. The bolt 73 has a head portion larger than the width of the slot 71, and the end portion of the bolt is coupled to a hole (not shown) pre-installed in the top plate. Therefore, the top plate can slide horizontally in the space between both horizontal beams 6, the position is set, and the bolt 7 is fixed to the hole of the top plate to securely fix the bracket 7 to the top plate.

Also shown in FIG. 4 is a stopper 8 for adjusting the distance between the top plate and the horizontal beam. As shown in Fig. 4, the stopper 8 is a component capable of moving the top plate in the longitudinal direction. That is, the stopper 8 fixes the top plate by adjusting the distance between the top plate and the horizontal beam 6 according to the width of the top plate. The stopper 8 is formed into a letter A with a vertical surface 81 that comes into contact with the side surface of the top plate and a horizontal surface 82 that is vertically placed on the horizontal beam 6. On the horizontal surface 82, a rectangular groove 83 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 into the rectangular groove 83.

7 is a perspective view of a stopper 8 ′ for adjusting the distance between the top plate and the longitudinal H-beam pillar 5. As shown in Fig. 7, the stopper 8'is a component that can move the top plate in the lateral direction. That is, the stopper 8'adjusts the distance between the top plate and the longitudinal H-beam pillar 5 according to the length of the top plate to fix the top plate. The stopper 8'has a vertical shape 81' that comes into contact with the side surface of the top plate and a horizontal surface 82' that is vertically placed on the top of the pedestal 51. On the horizontal surface 82', a rectangular groove 83' that is elongated in the transverse direction is formed. The bolt fixed to the pedestal 51 is inserted into a rectangular groove 83'. When the position of the top plate is set, the stopper 8'is fixed firmly by clamping the bolt nut into the rectangular groove 83'. In addition, the pedestal 51 is vertically movable along a screw rod installed vertically on the pillar.

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 predetermined positions along the edge of the table to fit the wall size of the desired size to the rectangular table 2. Next, the rebar is reinforced to the maguri 3 and a truss and an insert are installed thereon. Concrete is poured into the Maguri (3) and cured. The maguri (3) is separated and disassembled, and the cured concrete plate is lifted with a crane and placed inverted (see FIG. 7). At this time, when it is turned over, the truss (T) is placed down, and the concrete plate forms the original plate referred to as the top plate (A).

Next, in order to form a lower plate having 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 positioned at a preset position, which is the same place as when the top plate was produced on the table 3. Fix each. Rebars are placed on the table 3 in the same way as the tops, and the tops are 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 almost level with the top plate. Next, by adjusting the bracket (7), slide the top plate to fit the lateral frame and the longitudinal frame of the fixed Maguri (3), and if the lateral frame and the longitudinal frame of the Maguri (3) fit, the bracket (7) and The top plate is fixed with a bolt 73. And the stopper 8 between the top plate and the horizontal beam 6 is adjusted to fix the lateral position of the top plate, and the stopper 8'between the top plate and the longitudinal H-beam pillar 5 is adjusted to adjust the stopper 8'. Fix the longitudinal position. At this time, the distance between the top plate and the beam column can be measured and positioned to fix the maguri frame, and the vertical weight can be lowered from the top plate to position and fix the maguri frame.

In another embodiment of the method of the present invention, in order to form a lower plate of 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 is first fixed on the table 3 do. Rebars are placed on the table 3 in the same way as the tops, and the tops are 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 almost level with the top plate. Next, by adjusting the bracket (7), slide the top plate to fit the lateral frame and the longitudinal frame of the fixed Maguri (3), and if the lateral frame and the longitudinal frame of the Maguri (3) fit, the bracket (7) and The top plate is fixed with a bolt 73. And the stopper 8 between the top plate and the horizontal beam 6 is adjusted to fix the lateral position of the top plate, and the stopper 8'between the top plate and the longitudinal H-beam pillar 5 is adjusted to adjust the stopper 8'. Fix the longitudinal position. The lateral position of the maguri 3 is fixed based on the lateral side of the fixed top plate, and the remaining lateral frame of the maguri 3 is fixed, and the longitudinal position of the maguri 3 is referenced to the longitudinal side of the fixed top plate. Fix the remaining longitudinal frame of the Maguri (3). At this time, the distance between the top plate and the beam column can be measured and positioned to fix the maguri frame.

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

Subsequently, the concrete is poured in the same manner as the top plate and then cured to produce a final precast concrete wall shown in FIG. 1.

8 is an overall perspective view of the present invention in which the lower plate is curing during the precast concrete wall of the present invention. As shown in Fig. 8, a table is placed on the floor, and a roll is installed at the edge of the table. And the top plate is fixed to the bracket (7), the stopper (8,8') position. Reinforcing bars are reinforced in Maguri and concrete is poured over them to cure the bottom plate. A truss is placed in the center of the lower plate in the longitudinal direction.

In the above, specific examples of the present invention have been described as examples, but these are for illustrative purposes only and are not intended to limit the protection scope of the present invention. It will be apparent to those skilled in the art to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention.

A: The original top plate
B: Bottom
T: Truss
E: Fit end
2: Table
3: Maguri
4, 5: vertical column
6: Horizontal beam
7: Bracket
8, 8': stopper

Claims (9)

A formwork device for producing a precast concrete wall comprising a top plate, a bottom plate, and a truss placed between the top plate and the bottom plate to support the top plate,
A rectangular table capable of reinforcing the reinforcing bar at the top, a maguri that is installed along the edge of the table and has one side with the outer shape of the fitting end of the plate, and an H beam column installed spaced at appropriate intervals on both sides of the plate, spaced in the longitudinal direction Includes installed H beam columns.
Each of the transverse H-beam pillars protrudes inward, and includes a pedestal that can be moved up and down along the transverse H-beam pillars, wherein the pedestal is provided with horizontal beams in parallel, and a top plate is placed between the horizontal beams. Formwork device for producing a precast concrete wall comprising a bracket placed longitudinally across the top plate and horizontal beam. According to claim 1,
A means for supporting the pedestal for moving the horizontal beam and moving vertically is a formwork device for manufacturing a precast concrete wall installed in the transverse H beam column. According to claim 1,
Formwork device for producing a precast concrete wall comprising a fixing means for sliding the top plate in the longitudinal direction to fix it to the bracket. According to claim 2,
The fixing means is a formwork device for manufacturing a precast concrete wall including a hole provided in the top plate and a bolt that can be movably installed along a slot of the bracket. According to claim 1,
As a means for positioning and fixing the top plate in the lateral direction, a formwork device for manufacturing a precast concrete wall including a stopper with a distance adjustable between the top plate and the horizontal beam. The method of claim 4,
As a means for positioning and fixing the top plate in the longitudinal direction, a formwork device for producing a precast concrete wall including an additional stopper that is adjustable in distance between the top plate and the longitudinal H-beam pillar. The method of claim 5,
The stopper has an a-shape in a vertical surface and a horizontal surface that abut the side surface of the top plate, and the formwork device for manufacturing a precast concrete wall including a rectangular groove elongated in the horizontal surface. A method for producing a precast concrete wall using the formwork device according to any one of claims 1 to 7,
Adjusting the pedestal to match the height of the horizontal beam almost horizontally with the top plate,
Adjusting the bracket to slide the top plate to fit the fixed lateral frame and longitudinal frame of the Maguri, and if the lateral frame and longitudinal frame of the top plate and Maguri fit, fixing the bracket and the top plate with bolts,
Precast comprising adjusting the stopper between the top plate and the horizontal beam to fix the lateral position of the top plate, and adjusting the stopper between the top plate and the longitudinal H-beam pillar to fix the vertical position of the top plate. Methods of making concrete walls. The method of claim 8,
The remaining lateral frame of the maguri is fixed based on the lateral side of the fixed top plate, and the remaining longitudinal frame of the maguri is fixed 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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