KR102638395B1 - Foldable coupling frame for moving precast concrete structures with unstable self-standing - Google Patents

Abstract

The present invention is a foldable couple that supports a variable frame structure that varies from a first width to a second width, a PC (precast concrete) column, and a PC (precast concrete) lattice beam, and includes a fixed frame structure fixed to the second width. A ring frame is provided.

Description

Foldable coupling frame for moving precast concrete structures with unstable self-standing}

The present invention relates to a foldable coupling frame, and more specifically, to a foldable coupling frame that can increase construction efficiency during PC (Precast Concrete) construction.

In the case of large factory structures, a separate internal structure that supports production equipment is installed within the large frame (hereinafter referred to as external structure).

In general, the external structure (column, beam, slab) is pre-constructed, and the internal structure, which is a number of PC (precast concrete) columns and PC (precast concrete) lattice beam units, are post-constructed and installed as individual members.

Therefore, the conventional PC construction method, which consists of a sequential construction order of installing a PC lattice beam unit after installing a PC pillar and a method of installing individual members, is difficult to achieve construction efficiency effects such as additional construction period reduction or minimization of workers compared to PC construction.

Recently, research is being conducted to reduce the construction time for PC columns and PC lattice beams.

The purpose of the present invention is to provide a foldable coupling frame that can increase construction efficiency during PC (Precast Concrete) construction.

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention that are not mentioned can be understood by the following description and will be more clearly understood by the examples of the present invention. Additionally, it will be readily apparent that the objects and advantages of the present invention can be realized by the means and combinations thereof indicated in the patent claims.

The coupling frame according to the present invention supports a variable frame structure that varies from a first width to a second width, and a precast concrete (PC) column and a precast concrete (PC) lattice beam, and a fixed frame fixed to the second width. Can contain structures.

The fixed frame structure may include first and second vertical members spaced apart by the second width, and horizontal members connecting the first and second vertical members.

The fixed frame structure may be divided into a plurality of layers based on the horizontal member.

The variable frame structure connects the second and third vertical members to a third vertical member adjacent to the second vertical member, and includes a folding member that varies between the second and third vertical members from the first width to the second width. can do.

The fixed frame structure is divided into a plurality of layers based on the horizontal member, and the folding member is folded/unfolded between the second and third vertical members that separate each of the plurality of layers to form the first, 2 Width can be varied.

The horizontal member may include a first horizontal member and a second horizontal member partially inserted into the first horizontal member and exposed as much as the first width.

The fixed frame structure is divided into a plurality of layers based on the horizontal member, and the variable frame structure connects the third vertical member adjacent to the second vertical member and the second and third vertical members, and the second , It may include a folding member that varies between the three vertical members from the first width to the second width.

The folding member is folded/unfolded between the second and third vertical members that separate each of the plurality of layers to change the first and second widths, and at least one of the plurality of folding members is folded/unfolded. It may include an actuator that unfolds.

One side of each of the plurality of folding members may be connected to the second vertical member that separates each of the plurality of layers, and the other side of each of the plurality of folding members may be connected to an exposed side of the second horizontal member.

Each of the plurality of folding members may include a first part connected to the second vertical member and a second part connected to one exposed side of the first part and the second horizontal member.

The first portion of at least one of the plurality of folding members may be coupled to the actuator.

When the plurality of folding members are folded, a portion of the second horizontal member inserted into the first horizontal member may be exposed as much as the second width from the first width.

The folding coupling frame according to the present invention has the advantage of shortening construction time by pre-constructing the external structure (column, beam, slab) and simultaneously constructing the PC (precast concrete) column and PC (precast concrete) lattice beam. There is.

Meanwhile, the effects of the present invention are not limited to the effects mentioned above, and various effects may be included within the range apparent to those skilled in the art from the contents described below.

1 is a cross-sectional view showing a foldable coupling frame according to the present invention.
FIG. 2 is a cross-sectional view showing the foldable coupling frame shown in FIG. 1.
Figure 3 is an enlarged view of 'A' shown in Figure 1.
Figure 4 is an enlarged view of 'B' shown in Figure 1.
Figure 5 is a diagram showing an example in which the foldable coupling frame shown in Figure 1 is applied.
FIG. 6 is a diagram showing changes in the width of the foldable coupling frame shown in FIG. 1.
FIG. 7 is a diagram showing a lifter disposed on the upper submodule of the foldable coupling frame shown in FIG. 1.
Figure 8 is an example diagram showing the operation of the lifter shown in Figure 7.
FIG. 9 is a diagram for explaining the operation of the variable frame structure shown in FIG. 1.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to a specific embodiment, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention. While describing each drawing, similar reference numerals are used for similar components.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.

Figure 1 is a cross-sectional view showing a coupling frame according to the present invention, Figure 2 is a cross-sectional view showing the coupling frame shown in Figure 1, Figure 3 is an enlarged view of 'A' shown in Figure 1, and Figure 4 is an enlarged view of 'A' shown in Figure 1. This is an enlarged view of ‘B’ shown.

Referring to FIGS. 1 to 4 , the foldable coupling frame 130 may support a precast concrete (PC) column 110 and a precast concrete (PC) lattice beam 120.

In an embodiment, the foldable coupling frame 130 is constructed to support the PC pillar 110 and the PC lattice beam 120 after constructing the external structure (individual member), and moves within the external structure to complete the construction process. It can be shortened.

The foldable coupling frame 130 includes a plurality of vertical members 210 and a horizontal member 220 that horizontally connects the vertical members 210, as shown in FIG. 2, and a vertical member 210 and a load to support the PC lattice beam 120. It is formed into a hexahedral frame structure including a reinforcing member 230 connected to the dispersion member 240, and can have various shapes.

Since the lower part of the folding coupling frame 130 is mounted on the upper part of the SPMT equipment, the vertical member 210 or inclined member (not shown) may be configured more densely to reinforce the lower structure in consideration of dynamic load (horizontal load). there is.

The inclined member is obliquely coupled between the vertical member 210 and the horizontal member 220 of the foldable coupling frame 130, and can reinforce the bending of the vertical member 210 and the horizontal member 220.

At this time, load distribution members 240 made of H-shaped steel may be formed at regular intervals on the uppermost surface of the foldable coupling frame 130 to serve as vertical/horizontal load distribution.

Here, the load distribution member 240 may be formed on the same plane as the uppermost horizontal member 220, but is not limited thereto.

In particular, the foldable coupling frame 130 can be manufactured by separately modularizing the upper sub-module, middle sub-module, and lower sub-module in the form of segmented upper, middle, and lower parts, respectively, and then assemble them for use. The upper submodule, middle submodule, and lower submodule include a horizontal member 220 horizontally connecting the vertical member 210 and the vertical member 210, and a plurality of the slopes configured between the vertical member 210 and the horizontal member 220. When joining such submodules, horizontal materials 220 are double-overlapped between submodules adjacent to each other to form a double girder type, and the joint between vertical materials 210 is made using known end plates, etc. Be sure to join it using the joining method.

Here, the foldable coupling frame 130 may further include a connecting member 250 connecting the horizontal members 220 to each other.

First, the connecting member 250 of the 'A' block shown in FIG. 3 can fix the PC pillar 110 and the horizontal member 220.

At this time, the connecting member 250 includes a body 251a fastened to the horizontal member 220, plates 251b and 251d in contact with both sides of the PC column 110, and plates 251b and 251d of the PC column 110. It may include a rod 251c connected to contact both sides.

Additionally, the connecting member 250 of the 'B' block shown in FIG. 4 may be connected between adjacent horizontal members 220.

The connecting material 250 shown in FIG. 4(a) may include first and second bodies 252a and 252c and an auxiliary frame 252b connecting the first and second bodies 252a and 252c.

Here, FIGS. 4(b) to 4(d) show an embodiment of a method in which the connecting member 250 connects adjacent horizontal members 220 to each other.

That is, in FIG. 4(b), the first and second bodies 252a and 252c are connected to adjacent horizontal members 220, and the auxiliary frame 252b can move in the direction of the arrow inside the first body 252a. there is.

In Figure 4(c), the first and second bodies 252a and 252c are connected to each other by an auxiliary frame 252b, and in Figure 4(d), the first and second bodies 252a and 252c are connected to each other by an auxiliary frame (252b). It shows the state in which it is fastened with bolts to strengthen the connection with 252b).

Here, the foldable coupling frame 130 may be composed of a variable frame structure 310 and a fixed frame structure 320.

As described above, the variable frame structure 310 and the fixed frame structure 320 may be composed of a vertical member 210, a horizontal member 220, a reinforcement member 230, and a load distribution member 240, but are not limited thereto. .

The fixed frame structure 320 may be comprised of a plurality of pieces, and is described as one for convenience of explanation, but is not limited thereto.

The variable frame structure 310 may include a folding member 340 that varies from a first width to a second width between vertical members 210 adjacent to each other.

The folding member 340 shown in FIG. 2 may be composed of two pieces that fold and unfold the adjacent vertical members 210 to fold/unfold them.

That is, the two folding members 340 overlap each other in the folded state, and can maintain a state in which they do not overlap each other in the unfolded state.

Additionally, the two folding members 340 may be maintained at a first width in a folded state and may be maintained at a second width in an unfolded state.

Here, the first width may be 0.5 times the second width, but is not limited thereto.

Figure 5 is a diagram showing an example in which the foldable coupling frame shown in Figure 1 is applied.

Referring to FIG. 5, the foldable coupling frame 130 can move within the internal space set by the external structure installed in the preprocessing process.

At this time, when the internal space is formed with a set space width, the integrated internal structure 100 may not be moved into the internal space by the external structure when it is formed with the space width and moves.

However, the coupling frame 130 is moved into an internal space with a width narrower than the space width by the variable frame structure 340, and then is changed in an unfolded state to be deformed to be the same as the space width. It can be.

Thereafter, the PC grid beam 120 can be moved and supported by a lifter (not shown) located on the upper side.

FIG. 6 is a diagram showing changes in the width of the foldable coupling frame shown in FIG. 1.

FIG. 6(a) shows the variable frame structure 310 in a folded state, and FIG. 6(b) shows the variable frame structure 320 in an unfolded state.

FIG. 7 is a diagram showing a lifter disposed on the upper submodule of the foldable coupling frame shown in FIG. 1, and FIG. 8 is an exemplary diagram showing the operation of the lifter shown in FIG. 7.

Referring to FIG. 7, the fixed frame structure 320 of the coupling frame may have a fixed footrest 410 in the upper submodule and a lifter 420 disposed on the fixed footrest 410.

At this time, the lifter 420 may be placed on the fixed footrest 410 before moving the coupling frame.

Thereafter, the lifter 420 supports and moves the PC grid beam 120 when the movable scaffold (not shown) moves to the variable frame structure 310 after the variable frame structure 310 is changed from the folded state to the unfolded state. You can.

That is, Figure 8(a) is the previous step for the lifter 420 to move the PC grid beam 120, and Figure 8(b) shows the PC grid beam for the lifter 420 to move the PC grid beam 120. Represents the step of supporting the beam 120.

FIG. 9 is a diagram for explaining the operation of the variable frame structure shown in FIG. 1.

Referring to FIG. 9 , the folding member 340 of the variable frame structure 310 may include a folding member 342 and an actuator 344.

Here, the folding member 342 may include a first part connected to one side of the horizontal member 220 and a second part connected to the other side of the horizontal member 220.

In the embodiment, the first part is shown and described as being connected to one side of the horizontal member 220, but it may be connected to one side of the vertical member 210, and is not limited thereto.

The first and second parts of the folding member 342 are connected to each other, and can be changed into a folded state and an unfolded state by the actuator 344.

At this time, the horizontal member 210 is formed in a double structure, and when the folding member 342 is unfolded from a folded state, the internal horizontal member may come out.

In addition, the fixed scaffold 410 and the movable scaffold 412 may be partially overlapped on the horizontal member 210, and when the folding member 342 is unfolded, the movable scaffold 412 is moved by the folding member 342. It can be.

The features, structures, effects, etc. described in the embodiments above are included in at least one embodiment of the present invention and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects, etc. illustrated in each embodiment can be combined or modified and implemented in other embodiments by a person with ordinary knowledge in the field to which the embodiments belong. Therefore, contents related to such combinations and modifications should be construed as being included in the scope of the present invention.

In addition, although the above description focuses on the embodiments, this is only an example and does not limit the present invention, and those skilled in the art will understand the above examples without departing from the essential characteristics of the present embodiments. You will see that various modifications and applications are possible. For example, each component specifically shown in the examples can be modified and implemented. And these variations and differences in application should be construed as being included in the scope of the present invention as defined in the appended claims.

110: PC (precast concrete) pillar
120: PC (precast concrete) lattice beam
130: folding coupling frame
210: vertical material
220: horizontal material
230: reinforcement
240: load distribution member
250: Connecting material
251a: body
251b, 251d: plate
251c: load
252a: first body
252b: Auxiliary frame
252c: second body
310: Variable frame structure
320: fixed frame structure
340: Folding material
342: folding member
344: actuator
410: fixed footrest
412: mobile scaffolding
420: lifter

Claims (12)

A variable frame structure that varies from a first width to a second width; and
Supporting PC (precast concrete) columns and PC (precast concrete) lattice beams, it includes a fixed frame structure fixed to the second width,
The fixed frame structure is,
first and second vertical members spaced apart by the second width; and
It includes a horizontal member connecting the first and second vertical members,
The horizontal material is,
first horizontal member; and
Including a second horizontal member partially inserted into the first horizontal member and exposed by the first width,
Foldable coupling frame. delete According to claim 1,
The fixed frame structure is,
Divided into a plurality of layers based on the horizontal material,
Foldable coupling frame. According to claim 1,
The variable frame structure is,
a third vertical member adjacent to the second vertical member; and
Connecting the second and third vertical members and comprising a folding material that varies between the second and third vertical members from the first width to the second width,
Foldable coupling frame. According to claim 4,
The fixed frame structure is,
It is divided into a plurality of layers based on the horizontal material,
The folding material is,
The first and second widths are variable by folding/unfolding between the second and third vertical materials that separate each of the plurality of layers,
Foldable coupling frame. delete According to claim 1,
The fixed frame structure is,
Divided into a plurality of layers based on the horizontal material,
The variable frame structure is,
a third vertical member adjacent to the second vertical member; and
Connecting the second and third vertical members and comprising a folding material that varies between the second and third vertical members from the first width to the second width,
Foldable coupling frame. According to claim 7,
The folding material is,
a plurality of folding members that are folded/unfolded between the second and third vertical members dividing each of the plurality of layers to vary the first and second widths; and
Including an actuator that folds/unfolds at least one of the plurality of folding members,
Foldable coupling frame. According to claim 8,
One side of each of the plurality of folding members,
Connected to the second vertical member separating each of the plurality of layers,
The other side of each of the plurality of folding members is,
Connected to one exposed side of the second horizontal member,
Foldable coupling frame. According to clause 9,
Each of the plurality of folding members,
A first member connected to the second vertical member;
Comprising a second part connected to the exposed one side of the first part and the second horizontal member,
Foldable coupling frame. According to claim 10,
The first portion of at least one of the plurality of folding members is,
Combined with the actuator,
Foldable coupling frame. According to claim 10,
When the plurality of folding members are folded,
The second horizontal member,
A portion inserted into the first horizontal member is exposed from the first width to the second width,
Foldable coupling frame.