KR20100119275A - Apparatus for supporting concrete formwork of crossbeam - Google Patents

Abstract

PURPOSE: A beam form supporting apparatus is provided to prevent safe accidents by maintaining the fixed state of a support and a main frame during a process of fixing a side mold. CONSTITUTION: A beam form supporting apparatus comprises a main frame(1), a pair of rotating members(3,5), a pair of movable members(7,9), and a pair of side mold supporting parts(11,13). The rotating member is installed in the main frame. The movable member is coupled with a pair of rotating members. The movable member moves in the axial direction according to the rotation of the rotating member. The side mold supporting part is coupled with a pair of movable members.

Description

Apparatus for supporting concrete formwork of crossbeam}

The present invention relates to a beam formwork support device, and more particularly, to a formwork support device that can be used to support the formwork used when placing concrete beams and can be safely installed and disassembled.

In general, buildings are provided with beams to support the ceiling. The beams of the concrete building are manufactured through the process of installing formwork and placing concrete on the formwork for curing.

Such a formwork supporting device is disclosed in Korean Utility Model Registration No. 20-0441933. The above-described publication is provided with two main body members that are relatively movable to each other by the adjustment unit. The two main body members are supported by different supporters, and at the same time, the support portions are vertically joined to the upper side of the main body members. The support supports the side formwork provided on the side of the beam. Since the beam is provided on the ceiling, there is a certain height away from the floor, and supporters are disposed between the floor and the formwork support to support the formwork support.

In this case, when the operator rotates the control unit, the two pieces of body members are brought into close contact with the side formwork. And after curing after the concrete is placed, the worker rotates the control unit to its original position so that the two body members move in the direction away from each other to separate from the side formwork.

The conventional formwork support device is supported by supporters at the bottom of the main body member which is separated into two, so that the distance between the supporters that were supporting the main body members while the two main body members are relatively moved by the rotation of the adjustment unit. It becomes difficult to install the formwork due to the narrowing or the distance.

This conventional technique has a problem that the work of making the beam through the concrete placing work is not easy to assemble and disassemble the formwork support device to increase the labor time and increase the work time and cost.

In particular, when the supporters are moved when the formwork support device is installed or dismantled, the formwork support device may collapse and the risk of a safety accident is increased.

Therefore, the present invention has been proposed in order to solve the above problems, an object of the present invention is to provide a formwork support device that can easily install the formwork support device to increase the productivity by reducing the work time.

In addition, the present invention is to provide a support form support device that can prevent the safety accident by maintaining the state in which the support and the main frame supporting it in the process of fixing the side form.

In order to achieve the object as described above, the present invention, the main frame provided with a space therein and a long hole in the longitudinal direction, a pair of rotating members disposed in the main frame rotatably coupled to, A pair of moving members coupled to the rotating members to move in the longitudinal direction of the rotating members by rotation of the rotating members, and coupled to the moving members to move along the main frame to support the side formwork of the beam. It provides a beam formwork support device comprising a pair of side formwork support.

The pair of rotating members may be provided with knobs protruding outward of the main frame on one side.

The main frame is composed of one, it is preferable that the coupling portion to which the supporters are coupled to the bottom is provided.

The rotating member is preferably made of a screw shaft provided with a spiral groove on the outer peripheral surface.

Preferably, the moving member and the side formwork support part are fastened to each other by a fastening means through the long hole of the main frame.

The fastening means preferably includes a bolt part protruding through the long hole and coupled to the moving member, and a nut member fixed to the bolt part in a state in which the side form support part is fitted to the bolt part.

The fastening means includes an extension part which protrudes through the long hole and is coupled to the movable member and provided with a wedge pin insertion groove, and a wedge pin coupled to the wedge pin insertion groove with the side form support part fitted to the extension part. It is desirable to.

The side form support portion is a support member fixed to the movable member, an extension member coupled to the support member to move in the up and down direction, the wedge pin is inserted between the support member and the extension member to move the extension member It is preferable to include an extension member fixing part for limiting.

The support member is provided with a first moving part moved in close contact with the upper part of the main frame, a space coupled to the first moving part and penetrated by a central part, and a pressing part contacted with the side formwork of the beam, and the first moving part. It is preferred to include a reinforcing portion coupled to the pressing portion.

In addition, the present invention includes a main frame for supporting the ceiling formwork of the beam, a pair of side formwork support coupled to the main frame to support the side formwork of the beam, the side formwork support is fixed to the main frame A support member, an extension member coupled to the support member and moving in an up and down direction, and an extension member fixing part configured to restrict a movement of the extension member by inserting a wedge pin between the support member and the extension member. The support member is provided with a first moving part moved in close contact with the upper portion of the main frame, a space coupled to the first moving part and penetrated by a central part, and a pressing part being in close contact with the side formwork of the beam and the first moving part. And it is preferable to include a reinforcing portion coupled to the pressing portion.

The extension member is moved along the support member and is coupled to a lower side of the second moving part provided with a space penetrating through the center portion, and is separated from the support member by connecting a portion of the penetrated space. It is preferable to include a separation preventing portion to prevent the prevention, the shell member provided on the upper end of the second moving portion.

Preferably, the release preventing part includes bolt members protrudingly coupled to the second moving part, a locking plate coupled to the bolt members, and nut members coupled to the bolt member to fasten the locking plate.

The angular member fixing part extends from the second moving part and is provided with a gap adjusting member coupling part which is provided with a wedge pin insertion groove, and is inserted into the gap adjusting member coupling part and slidably moved to correspond to the wedge pin insertion groove. It is preferred that the wedge pin insertion groove is provided to include a gap adjusting member fixed with a wedge pin.

The main frame is preferably provided with support fixing holes for fixing the support on both sides.

It is preferable that a pair of supports for supporting the ceiling formwork is fixed to both sides of the main frame by fixing pins.

The present invention is to fix the side formwork of the beam by using the side formwork support in the state that the bottom of the main frame is supported on the upper portion of the supporter at this time the distance between the supporters while maintaining a fixed state without changing the side formwork By moving the support to fix the side formwork of the beam has the effect of preventing a safety accident.

In addition, the present invention has the effect that the installation and disassembly work is very easy and increase the productivity by reducing the working time.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining an embodiment of the present invention, Figure 2 is a perspective view of Figure 1, Figure 3 is an exploded perspective view of Figure 2, showing a formwork support device.

The formwork support device of the embodiment of the present invention is preferably arranged at several intervals and supported by the supports (S). However, embodiments of the present invention will be described by showing a formwork support device made of one set for convenience.

Beam formwork support device according to an embodiment of the present invention is a main frame (1), a pair of rotary members (3, 5) installed on the main frame (1), a pair coupled to the pair of rotary members (3, 5) It includes a moving member (7, 9), and a pair of side formwork support (11, 13) coupled to the pair of moving member (7, 9).

The main frame 1 is made in the shape of a pipe with a square pillar and a space is provided therein. It is preferable that the main frame 1 consists of metal materials.

This main frame 1 is provided with long holes 1a (shown in FIG. 3) which are arranged long in the longitudinal direction on the surface facing upward. The long holes 1a provided in the main frame 1 are also preferably provided in pairs.

In addition, in the embodiment of the present invention, the main frame 1 is preferably made of one member. And the bottom of the main frame 1 may be supported by the supporters (S). The main frame 1 is provided with protrusions 1b on the bottom surface of the main frame 1 so as to maintain the supporters S in the fixed position. These protrusions (1b) is preferably a separate metal pipe or metal square is fixed to the main frame (1) by welding or the like. These protrusions 1b are preferably arranged in pairs at regular intervals from each other.

Rotating members 3 and 5 are preferably made of a screw shaft provided with a groove in the spiral direction on the outer circumferential surface. Such rotating members 3 and 5 are preferably arranged to be rotated about an axis in the above-described main plane 1.

That is, the rotating members 3 and 5 are provided with locking grooves 3a and 5a on one side, for example, and the locking grooves 3a and 5a are provided at both ends of the main frame 1. It can be coupled to the end plate 1c, End plate (shown in FIGS. 2 and 3) provided in the part and rotated in place. The structure in which the rotating members 3 and 5 rotate about the axis is not limited to the embodiment of the present invention, but may be any structure in which the rotating members 3 and 5 can rotate about the axis.

And the rotary member (3, 5) is coupled to the knob (3b, 5b) protruding to the outside of the main frame (1). Since the knobs 3b and 5b are made integral with the rotary members 3 and 5, the rotary members 3 and 5 can also rotate together by the rotation of the knobs 3b and 5b.

The pair of moving members 7 and 9 are disposed inside the main frame 1 and screwed to the outer circumference of the rotating members 3 and 5. Therefore, as the rotary members 3 and 5 rotate, the movable members 7 and 9 may move in the axial direction.

A pair of side formwork supports 11 and 13 are coupled to the movable members 7 and 9 by fastening means. Therefore, as the movable members 7 and 9 are moved, the side formwork supports 11 and 13 may be moved together.

As shown in FIG. 3, the fastening means for coupling the movable members 7 and 9 and the side formwork supports 11 and 13 is a bolt portion 7a protruding into the long hole 1a provided in the main frame 1. , 9a is coupled to the moving members 7, 9 and includes a nut member 21 fastened to the bolts 7a, 9a. Accordingly, a pair of side formwork supporting parts 11 and 13 may be fitted to the bolts 7a and 9a of the moving members 7 and 9 and may be fastened and fixed by the nut member 21.

In addition, in the embodiment of the present invention, the fastening means is not limited to the above-described examples and may be implemented in various examples.

Another example of the fastening means for fastening the moving members 7 and 9 and the side formwork supporting parts 11 and 13 will be described with reference to FIG. 7.

In the embodiment of the present invention, the formwork support parts 11 and 13 are formed in pairs, but since only one side part will be described.

The above-described moving member 7 (shown in FIGS. 1 to 3) is provided with an extension part 31 (only one side is illustrated for convenience) which protrudes through the long hole 1a of the main frame 1 described above. do. The extension portion 31 is provided with a wedge pin insertion groove 31a. The wedge pin insertion groove 31a is preferably made of a long groove.

And the fastening means includes a wedge pin (35) coupled to the wedge pin insertion groove (31a) in the state in which the side formwork support (11) is fitted to the extension (31).

That is, in another embodiment of the present invention shown in FIG. 7, the extension part 31 provided on the movable members 7 and 9 is fitted to the form support 11, and the wedge pin 35 is wedge of the extension part 31. The mold support 11 is coupled to the pin insertion groove 31a so as to be moved together with the movable member 7.

Side formwork support (11, 13) will be described with reference to Figs.

The side formwork supporting parts 11 and 13 are coupled to the above-mentioned moving members 7 and 9 to support the pair of supporting members 41 and 43 supporting the side formwork of the beam, and on the supporting members 41 and 43. A pair of extension members 45 and 47 coupled to be slid in the downward direction, and extension member fixing parts 49 and 50 for fixing the support members 41 and 43 and the extension members 45 and 47. ).

The extension member fixing parts 49 and 50 have wedge pin insertion grooves in the support members 41 and 43 so that the wedge pins 35 can be inserted between the support members 41 and 43 and the extension members 45 and 47. 49a, 50a) are preferably provided. Accordingly, the extension members 45 and 47 may be fixed at arbitrary positions of the support members 41 and 43 by inserting the wedge pins 35 into the wedge pin insertion grooves 49a and 50a.

In the embodiment of the present invention, the support members 41 and 43 have the same structure and are formed in pairs, but for convenience of description, one support member 41 will be described with reference to an example.

The support member 41 is coupled to the first moving part 51 and the first moving part 51 which is brought into close contact with the upper part of the main frame 1 and is provided with a space 53a penetrating through the central part and the side of the beam. It includes a pressing portion 53 in close contact with the formwork, the first moving portion 51 and the reinforcing portion 55 coupled to the pressing portion 53.

The first moving part 51 has a shape surrounding the upper surface and a part of the side of the main frame 1, and the first moving part 51 is provided with a through hole 51a at the upper side. The through hole 51a can penetrate the bolt portion 7a of the movable member 7 to fix the support member 41.

The support part 53 is made of a metal material with a space 53a interposed therebetween, and two bars are built in the longitudinal direction to be joined by welding.

The reinforcement part 55 is coupled to the support part 53 and the first moving part 51 by welding or the like to prevent the support part 53 from being bent or deformed.

In the embodiment of the present invention, the extension members 45 and 47 have the same structure and consist of a pair, but for convenience of description, one extension member 45 will be described as an example.

The extension member 45 is coupled to the lower side of the second moving part 61 and the second moving part 61 which is moved along the support member 41 and provided with a space 61a penetrating in the center portion thereof. The separation prevention part 63 which connects a part of the space 61a which is prevented from being detached from the support member 41, and the angle member fixing part 65 provided at the upper end of the second moving part 61 are provided. Include.

The space 61a through which the second moving part 61 passes is penetrated in the direction toward the side formwork. In addition, the space 61a through which the second moving part 61 passes is provided long in the vertical direction. The extension member 45 may be fixed to the side form SP by using the tie rod R, the wedge pin 35, and the fixing nut N (shown in FIG. 1) through the space 61a. .

As illustrated in FIG. 3, the release preventing part 63 is engaged with the bolt members 63a and 63b and the bolt members 63a and 63b which protrude and are coupled to the second moving part 61. The plate 71 includes bolt members 73a coupled to the bolt members 63a and 63b to fasten the locking plate 71.

This separation prevention part 63 is provided by the reinforcement part 55 when the extension member 45 is moved (when shown in FIGS. 1 and 2) in a state in which the extension member 45 is assembled to the support part 53 of the support member 41. Since the movement is limited, the support member 41 and the extension member 45 are prevented from being separated when installing or disassembling the formwork support device. As such, the departure prevention unit 63 may prevent a safety accident that may occur during installation and dismantling of the formwork support device of the embodiment of the present invention.

On the other hand, the corner member fixing part 65 is a place where the corner member (composed of wood in the form of a square pillar) for supporting the supporting panel p forms a predetermined space. As the example illustrated in FIGS. 1 to 3, the angle fixing member 65 may be one standardized.

However, embodiments of the present invention are not limited thereto and may be implemented in various examples.

In another embodiment, the angle fixing member 65 is provided with a gap adjusting member 81 and a gap adjusting member engaging portion 83 into which the gap adjusting member 81 is fitted. The gap adjusting member 81 is formed in a substantially "L" shape and is provided with wedge pin insertion grooves 81a and 81b into which side wedge pins can be inserted.

The wedge pin insertion grooves 81a and 81b provided in the gap adjusting member 81 are preferably arranged in parallel with each other. In addition, the gap adjusting member 81 may be fitted to one side of the above-described gap adjusting member coupling portion 83.

The gap adjusting member coupling portion 83 protrudes from the tip of the second moving portion 61 and is provided with another wedge pin insertion groove 83a corresponding to the gap adjusting member 81.

That is, the gap adjusting member 81 is inserted into the gap adjusting member engaging portion 83 so that one of the wedge pins 81a and 81b coincides with the wedge pin insertion groove 83a provided in the gap adjusting member engaging portion 83. And the wedge pin 35 is inserted into these grooves to fix the gap adjusting member 81.

This configuration can be easily applied when the length (a) of the lumber (W) is the same, but the horizontal (b or c) size is different as shown in FIG. This structure can be used universally without the need to manufacture a formwork support device separately according to the type of each material.

On the other hand, as another embodiment of the present invention, as shown in Figure 8, the main frame 1 is coupled to the support (S1, S2) for fixing the support panel (p) on both sides.

A support fixing hole 103 (shown in FIG. 9) penetrating the main frame 1 in the lateral direction is provided. The support fixing hole 103 is arranged to coincide with the other holes provided in the lower portions of the supports S1 and S2 so that the connecting pin 111 is fitted. Accordingly, the supports S1 and S2 may be coupled to both upper sides of the main frame 1 to support the supporting panel p.

This structure eliminates the need for placing a long general supporter from the bottom to support the supporting panel p near the side side of the main frame 1. Therefore, another embodiment of the present invention can easily install and dismantle the formwork support device can further improve workability.

Referring to the process of installing the formwork support device of the embodiment of the present invention made in this way as follows.

First, a general formwork consisting of a standardized frame, also called a side formwork (SP, flow path foam), may be used to arrange the support panel p1 of the beam on the upper part of the main frame 1 and to both sides of the support panel p1 of the beam. Is placed).

In this state, the supporter S supports the bottom of the main frame 1. Then, the operator moves the knobs 3b to rotate the rotary members 3 and 5. Then, as the rotating members 3 and 5 rotate, the moving members 7 and 9 coupled to the rotating members 3 and 5 move together. These moving members 7 and 9 are moved independently of each other.

When the moving members 7 and 9 are moved, the supporters S only maintain their postures fixed to the main frame 1. Therefore, the embodiment of the present invention can prevent the safety accident by preventing the formwork support device from falling down because the supporter (S) is maintained firmly fixed in the process of installing the formwork support device.

Subsequently, as the moving members 7 and 9 move, the supporting member 41 comes into close contact with the side formwork. Then, the tie rod (R) is penetrated into the space (53a) to be fixed to the side form (SP) by using a wedge pin, and fixed to the opposite side of the tie rod (R) using a fastening nut (N).

In the description of the operation of the present invention, since both sides have the same structure, only one part will be described as an example for convenience.

Then, the extension member 45 is moved upward to place the shell member W on the shell member fixing part 65. After moving the extension member 45 to bring it into close contact with the square member fixing part 65, the worker places the wedge pin 35 (shown in FIG. 2) in the wedge pin insertion groove 49a provided in the extension member fixing part 49. Insert it. Then, while the wedge pin 35 simultaneously supports the extension member 45 and the support member 41, the position of the extension member 45 is fixed.

Another tie rods R may be fixed to the side form SP by using the space 61a provided in the extension member 45. The method of fixing the tie rods R to the side formwork is the same as the above-described example, so the description thereof is replaced (shown in FIG. 1).

In addition, when the supporters S1 and S2 are installed in the main frame 1, the support panel p may be fixed using the supporters S1 and S2.

Thus, the formwork support device of the embodiment of the present invention has the advantage that the installation is safe and very easy to install.

In addition, when disassembling the formwork support apparatus of the embodiment of the present invention, the disassembly is performed in the reverse order of the above-described example. In the formwork support device according to the embodiment of the present invention, the extension members 45 and 47, the support members 41 and 43, the main frame 1, the supporters S1 and S2, etc. are integrally connected without being separated from each other. Can be dismantled from Therefore, the formwork support device of the embodiment of the present invention installed in a high place can be dismantled without falling down the components can prevent a safety accident.

In another embodiment of the present invention, the main frame for supporting the side formwork support parts 11 and 13 may be made of a lumber (square pillar-shaped wood). In this case, a plurality of fixing holes (not shown) may be provided in the side surface of the first moving part 51 of the side form support parts 11 and 13. This fixing hole is used to fix the side formwork support parts 11 and 13 to the square material using nails.

1 is a view showing a formwork support device for beams in a state of supporting a beam of a building to explain an embodiment of the present invention.

2 is a perspective view of the formwork support apparatus of the embodiment of the present invention.

3 is an exploded perspective view of FIG. 2.

4 is a view showing an example of the angle member fixing portion in another embodiment of the present invention.

5 and 6 are views for explaining in detail the corner member fixing portion of FIG.

7 is a view for explaining another embodiment of the present invention.

8 is a view for explaining another embodiment of the present invention.

FIG. 9 is a diagram illustrating a cut out portion of FIG.

Claims (15)

Main frame provided with space inside and provided with long holes on one side, A pair of rotating members disposed inside the main frame and rotatably coupled; A pair of moving members coupled to the rotating members to move in the longitudinal direction of the rotating members by rotation of the rotating members, and A pair of side formwork support parts coupled to the movable member to move along the main frame and support the side formwork of the beam. Beam formwork support device comprising a. The method according to claim 1, The pair of rotating members The formwork support device provided with knobs protruding outward of the main frame on one side. The method according to claim 1, The main frame Formwork support device provided with coupling parts made of one and the supporters are coupled to the bottom. The method according to claim 1, The rotating member is Beam formwork support device consisting of a screw shaft provided with a spiral groove on the outer peripheral surface. The method according to claim 1, The moving member and the side formwork support portion The formwork support device is fastened to each other through the long hole of the main frame fastening means. The method according to claim 5, The fastening means Bolt portion protruding through the long hole and coupled to the moving member, And a nut member fixed to the bolt part while the side mold support part is fitted to the bolt part. The method according to claim 5, The fastening means An extension part protruding through the long hole and coupled to the moving member and provided with a wedge pin insertion groove, And a wedge pin coupled to the wedge pin insertion groove in a state where the side formwork support part is fitted to the extension part. The method according to claim 1, The side formwork support A support member fixed to the moving member; An extension member coupled to the support member and moving upward and downward; An extension member fixing part configured to restrict a movement of the extension member by inserting a wedge pin between the support member and the extension member; Beam formwork support device comprising a. The method according to claim 8, The support member A first moving part moving in close contact with an upper portion of the main frame; A pressing portion coupled to the first moving portion and provided with a space penetrating the central portion and in close contact with the side formwork of the beam; A reinforcing part coupled to the first moving part and the pressing part; Beam formwork support device comprising a. A main frame supporting the ceiling formwork of the beam, and a pair of side formwork support portions coupled to the main frame to support the side formwork of the beam, The side formwork supports A support member fixed to the main frame; An extension member coupled to the support member and moving upward and downward; Wedge pin is inserted between the support member and the extension member includes an extension member fixing portion for limiting the movement of the extension member, The support member A first moving part moving in close contact with an upper portion of the main frame; A pressing portion coupled to the first moving portion and provided with a space penetrating the central portion and in close contact with the side formwork of the beam; A reinforcing part coupled to the first moving part and the pressing part; Beam formwork support device comprising a. The method according to claim 8 or 10, The extension member A second moving part moved along the support member and provided with a space penetrating through a center portion thereof; A separation prevention part coupled to a lower side of the second moving part and preventing a departure from the support member by connecting a part of the penetrated space; Square member fixing portion provided at the upper end of the second moving portion, Beam formwork support device comprising a. The method of claim 11, The departure prevention part Bolt members protrudingly coupled to the second moving part, A locking plate coupled to the bolt members, Nut members coupled to the bolt member to fasten the locking plate Beam formwork support device comprising a. The method of claim 11, The angle member fixing part A gap adjusting member coupling part extending from the second moving part and provided with a wedge pin insertion groove; The gap adjusting member which is inserted into the gap adjusting member is slid and is provided with a plurality of wedge pin insertion grooves corresponding to the wedge pin insertion grooves to be fixed by the wedge pins. Beam formwork support device comprising a. The method according to claim 1 or 10, The main frame Formwork support device provided with support fixing holes for fixing the support on both sides. The method according to claim 1 or 10, The main frame Beam formwork support device is a pair of supports for supporting the ceiling formwork is fixed on both sides by a fixing pin.

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