KR101111164B1 - Gang Form Comprising Safe Net - Google Patents

Abstract

The present invention is provided with a cage 110 having the lifting plate 117 and the lifting ring 119 at the upper end, a steel foam 120 provided on one side of the cage 110, and a lower portion of the cage 110. It is made of a fall prevention portion 130; The fall prevention unit 130 is a plurality of extension members 131 extending to the lower portion of the cage 110, the prevention net 133 is rotatably provided between the extension member 131 by a hinge portion, One end is spaced apart from the hinge portion is fixed to the guard net 133 and the other end is spaced apart from the hinge portion is extended to the lifting ring 119 through the extension member 131 and the lifting ring A space below the 119 is provided to be movable upward with respect to the lifting ring 119 and includes a lifting part connected to the other end of the lifting wire 139, and a space between the lifting part and the lifting ring 119. If this decreases, the lifting wire 139 is pulled to the gangform 100 having a fall prevention portion that the angle of inclination (θ) between the prevention net 133 and the extension member 131 is reduced, it is necessary to install the drop prevention net separately No drop installed There is no need to remove the screen, it is less affected by the wind, and there is an effect that can prevent contact with the building or adjacent gang form when lifting.

Gang foam, salvage, fall, drop

Description

Gang Form Comprising Drop Protection Units {Gang Form Comprising Safe Net}

The present invention relates to a gang form having a drop prevention portion, and more particularly, there is no need to install a separate drop prevention net by having a drop prevention portion at the bottom, and less affected by the wind during lifting, as well as the building or adjacent gang form It relates to a gang form having a drop preventing portion that can prevent the contact of.

Recently, due to the development of building technology, when building a high-rise building, instead of the formwork made of wood or metal, using an integrated gangform made of metal, it is easy to build the outer wall of the building. These gangforms are to be constructed from concrete, such as high-rise apartments, to be installed from the first floor wall and gradually rise as the number of floors increases, thereby forming the upper floor walls in turn.

1 is a perspective view for explaining the construction overview, Figure 2 is a perspective view showing a gangform according to the prior art, Figure 3 is a side cross-sectional view showing a gangge according to the prior art.

As shown in FIGS. 2 and 3, the gangform 1 according to the related art includes a steel form 20 forming a space portion at an upper portion together with a plate-like flow path 30 positioned inside the building S, and It consists of a cage 10 provided on one side of the steel foam (20). The cage 10 is spaced apart from each other a plurality of vertical members 11 provided in the vertical direction, a plurality of horizontal members 13 provided between the vertical member 11 and the upper portion of the horizontal member 13 It is composed of a footrest 17 and a reinforcing member (15) provided in the vertical member 11 to the upper portion of the footrest 17, the gangform (1) on the upper portion of the cage (10) There is provided a lifting ring 19 which is used when lifting to the top. The vertical member 11 and the horizontal member 13 are members that form the structure of the cage 10.

A part of the horizontal member 13 is installed in the direction toward the building (S), and a part is installed in a direction parallel to the wall surface of the building (S). The reinforcing member 15 is provided to prevent the fall of the worker working on the scaffold 117 is provided with one or more, may be further provided with a net body to the outer surface of the reinforcing member (15). The lifting ring 19 has an inverted " U " shape, and both sides of the lower end thereof are fixed to the cage 10 by bolts or welding. The vertical member 11 or the horizontal member 13 is a hollow pipe material is used, the cross-section is generally used a square or circular material.

The gangform (1) consists of one stage having one footrest 17 when curing one layer, and has three footrests 17 as shown in FIG. 3 extending downward as the number of floors increases. It is generally composed of three stages.

As shown in Figures 1 to 3, the gangform (1) is a tie bolt 12 so as to separate the bottom of the gangform (1) to the concrete wall of the already formed lower layer by lifting the gangform upwards when the wall of the lower layer is cured. It is fixed so as to make an empty space for filling concrete in the upper part of the gang form (1). The gangform (1) is to raise the integrated gangform made of one horizontal cross section of the building (S) using a tower crane, a hydraulic lift and the like.

As the number of floors in the building increases, to ensure the safety of the workers, and to prevent problems such as work tools or building parts falling to the ground and getting injured by pedestrians, a certain height, usually 3 A safety net 50 is provided for each floor.

Nowadays, according to the building law, it is possible to build a customized apartment. When building such a customized apartment, there are many cases where the chassis is installed on the veranda at the same time as the construction of the apartment. In order to install the chassis on the veranda, it is necessary to remove the safety net 50 installed on the veranda. As the above-described bar and the number of floors of the building increase, the rest of the safety net 50 installed on the lower floor of the third floor has been removed. Safety net 50 should be removed. Accordingly, as the building S is built up, the safety net 50 is installed at every predetermined height, and the remaining safety net 50 is removed except the safety net 50 installed at the top as the height of the building S is increased again. ) Had to be removed in turn.

The present invention has been proposed in order to solve the above problems, there is no need to install a drop preventing net separately, the gang foam having a drop preventing portion that prevents the contact with the building or adjacent gang form when lifting the gang foam. The purpose is to provide.

In order to achieve the above object, the present invention comprises a cage having a lifting plate and a lifting ring on the upper end, a steel foam provided on one side of the cage, and a drop preventing portion provided at the bottom of the cage; The anti-dropping portion is provided with a plurality of extension members extending to the lower portion of the cage, rotatably provided between the extension member by a hinge portion, one end is fixed to the protection net spaced apart from the hinge portion and the other end is the hinge The lifting wire is spaced apart from the branch and extends toward the lifting ring through the extension member, and the lifting part is provided to be movable upwardly with respect to the lifting ring at intervals below the lifting ring and connected to the other end of the lifting wire. Including, when the gap between the lifting portion and the lifting ring is reduced, the lifting wire is pulled to provide a gangform having a fall prevention portion is reduced inclination angle between the guard net and the extension member.

In addition, the present invention is the lifting portion is made of a hollow guide provided on both sides of the lifting ring, and both sides are slidably inserted into the guide and the lifting ring extending to the lower portion of the guide; The other end of the lifting wire provides a gang form having a drop preventing portion is fixed to the rising ring extending to the lower portion of the guide.

In addition, the present invention is the lifting portion is made of a hollow guide provided on both sides of the lifting ring, and both sides are slidably inserted into the guide and the hollow lifting ring extending to the bottom of the guide; The lifting wire is inserted into one side of the hollow lifting ring and protrudes to the other side, and the other end of the protruding lifting wire provides a gang form having a drop preventing portion fixed to the lifting ring.

In addition, the present invention is one end is spaced from the hinge portion is fixed to the guard net to the outside of the tension wire and the other end is spaced from the hinge portion is fixed to the extension member to the outside of the tension wire to the inclination angle between the guard net and the extension member It provides a gangform having a fall prevention portion further comprising a fixing wire to hold.

In addition, the present invention is made of a hollow guide provided on both sides of the lifting ring; The lifting wire passes through one side of the guide from below and upwards, and passes through the other side of the guide from below to provide a gang form having a drop preventing portion having the other end fixed to the lifting ring.

In another aspect, the present invention provides a gangform having a drop preventing portion having a stopper positioned in the upper portion of the guide to catch the lift ring.

The gangform 100 having a drop prevention unit according to the present invention does not need to separately install the drop prevention net because the drop prevention unit 130 is provided as a lower portion of the gangform 100, and thus does not need to remove the drop prevention net installed. , The fall prevention unit 130 is folded when lifting the gangform, so it is less affected by wind and can prevent contact with buildings or adjacent gangforms when lifting and lifting wires 139 due to repeated loads added during lifting. ) Has the effect of preventing the life of the shortening.

Hereinafter, with reference to the drawings will be described in detail a gangform having a drop preventing unit according to a preferred embodiment of the present invention. In the detailed description, the same names as those in the prior art are used, and the detailed description is omitted. Hereinafter, the upward direction of FIG. 5 is referred to as 'upward' or 'upward', and the downward direction of FIG. 5 is referred to as 'down' or 'downward'.

Figure 4 is a schematic perspective view showing a gang form having a drop preventing portion according to the present invention, Figure 5 is a side cross-sectional view showing a gang form having a drop preventing portion of Figure 4, Figure 6 is an enlarged view of part A of Figure 4 7 is an exploded perspective view, and FIGS. 7 and 8 are enlarged front views of part B of FIG. 4, and FIG. 9 is a diagram illustrating an operation of a gang form provided with a drop preventing unit according to the present invention, and FIG. It is a side view of the fall prevention part shown in order to demonstrate operation | movement of the gangform provided with the fall prevention part which follows.

As shown in FIGS. 4 and 5, the gangform 100 having the drop preventing unit according to the present invention includes a cage 110 and a steel form provided at one side of the cage 110 to form a space in which concrete is cured. 120 and the fall prevention part 130 provided below the cage 110.

As shown in FIGS. 4 and 5, the cage 110 includes a plurality of vertical members 111 spaced apart from each other and provided in an up and down direction, and a plurality of horizontal members 113 provided between the vertical members 111. And one or more scaffoldings 117 positioned above the horizontal member 113 and one or more reinforcing members 115 provided on the vertical member 111 above the scaffoldings 117. The upper portion of the cage 110 is provided with a lifting ring 119 used to lift the gang foam 100 to the upper portion. The lifting ring 119 is inverted " U " shaped and fixed to the cage 110 at both lower ends thereof. The lifting ring 119 may be fixed to the steel foam 120. In FIG. 4 and FIG. 5, reference numeral 112 denotes a tie bolt for detachably fixing the gangform 100 to the building S. FIG.

As shown in FIGS. 4 to 6, the drop preventing unit 130 rotates between the plurality of extension members 131 extending below the cage 110 and the extension members 131 by hinges. Possible prevention net 133 and one end is spaced from the hinge portion is fixed to the prevention net 133 and the other end is spaced from the hinge portion extending through the extension member 131 toward the lifting ring 119 The lifting wire 139 and the lifting ring 119 include a lifting part connected to the other end of the lifting wire 139 and provided to be movable upwardly with respect to the lifting ring 119.

When the distance between the lifting portion and the lifting ring 119 is reduced, the lifting wire 139 is pulled to reduce the inclination angle θ between the guard net 133 and the extension member 131 as shown in FIG. 10. . In order to reduce the pulling force of the lifting wire 139, the pulling length of the lifting wire 139 may be reduced by using the principle of the pulley, and the pulling load may also be reduced. The principle of the pulley which can be applied to the lifting wire 139 is a well-known technique, and thus a detailed description thereof will be omitted.

As shown in FIG. 4, the extension member 131 extends downward from both sides of the cage 110. An upper portion of the extension member 131 is fixed to the cage 110. An upper portion of the extension member 131 may be fixed to the steel foam 120. The guard net 133 is composed of a guard net 1333 forming an edge and a guard net 1331 provided inside the guard net 1333. The guard net 1333 may be a hollow pipe, and the cross section may have various shapes such as a rectangle and a circle. A plurality of rings (not shown) may be formed at the edge of the guard net 1331 and provided on the guard net 1333 by walking. The guard net 1331 may be wound around the guard net 1333 and provided. In the above, the horizontal member of the guard net 1333 may be a wire rope or a general rope.

The guard net 133 is rotatably provided to the extension member 131 between the extension member 131. As shown in FIG. 6, the hinge hole 131a is formed in a direction facing the extension member 131, and the hinge part 1335 protrudes at both ends of the prevention net frame 1333 to form the hinge part. It is possible. And one side is fixed to the extension member 131 and the other side can also form a hinge with a hinge fixed to the protection net (1333).

In FIG. 6, reference numeral 1337 denotes an inner member that may be provided in the vertical direction toward the inside of the guard net 1333, and 1339 may be provided in a horizontal direction between the guard net 1333 and the inner member 1335. A plurality of ladder members are shown. By providing the inner member (1337) and the ladder member (1339) as described above, the operator can safely climb on the guard net 133 to remove the falling object.

In FIG. 4, reference numeral 1311 illustrates a first reinforcing member having both ends fixed to the extension member 131 in a horizontal direction. When working on the building (S), the extension member 131 may be located in the opening portion formed by the window, the first reinforcing member 1311 may be located in the opening portion to act as a safety means. The first reinforcing member 1311 may be provided at least one spaced apart up and down.

As shown in FIGS. 4 and 5, one end of the lifting wire 139 is spaced apart from the hinge part and is fixed to the protection net frame 1333 of the protection net 133, and the other end is spaced apart from the hinge part to extend the member 131. Extends toward the lifting ring 119. The extension member 131 is provided with a protrusion (not shown) or a rotatable sheave 138 protruding in a direction facing each other, and the lifting wire 139 is wound around the protrusion or sheave 138 in an upward direction. Extends toward the lifting ring 119. "Through the elongate member 131" as described above means that the lifting wire 139 is extended in the upward direction while being wound on the protrusion or sheave 138.

In FIG. 4 and FIG. 5, one end 137 is spaced apart from the hinge part and fixed to the guard net 133 outside of the lifting wire 139, and the other end is spaced apart from the hinge part and extended out of the lifting wire 139. The fixing wire is fixed to the member 131 and maintains the inclination angle θ between the guard net 133 and the extension member 131. In the above, 'outer' means that the distance from the hinge portion is greater. The fixed wire 137 can also be a chain.

In the above, the turnbuckles may be provided on the lifting wires 139 and the fixed wires 137 to enable length adjustment.

As shown in FIG. 8, the lifting portion is provided with a hollow guide 138 provided at both sides of the lifting ring 119, and both sides are slidably inserted into the guide 138 to the lower portion of the guide 138. It consists of an extension ring 136 extending. The other end of the lifting wire 139 extending toward the lifting ring 119 is fixed to the lifting ring 136 protruding downward from the guide 138.

As shown in FIG. 7, the lifting part is provided with a hollow guide 138 provided on both sides of the lifting ring 119, and both sides are slidably inserted into the guide 138 to the lower portion of the guide 138. It may consist of a hollow lifting ring 136 extending. The lifting wire 139 is inserted into one side of the hollow lifting ring 136 and protrudes to the other side, and the other end of the raised lifting wire 136 is fixed to the lifting ring 119. The other end of the lifting wire 136 may be fixed to the cage 110. When the lifting ring 136 is pulled toward the lifting ring 119 when the lifting ring 136 is pulled as shown in FIG. 7, the lifting wire 139 is pulled at a distance twice the moving distance of the lifting ring 136. It is possible to move further away from the hinge portion at the point where) is fixed to the guard net (133). In addition, the lifting wire 136 is in sliding contact in the lifting ring 136 and the curvature radius does not decrease even when the lifting wire 136 is prevented from shortening the life of the lifting wire 139 by the lifting load.

As shown in Figs. 7 and 8, the lifting ring 136 is also formed in an inverted " U " shape or the like. A gap is formed in the vertical direction between the lifting ring 119 and the rising ring 136.

The lifting portion is a hollow guide 138 provided on both sides of the lifting ring 119, and the lifting wire 139 passes through one of the guides 138 from below and upwards, and the other guide 138 upwards. Passing downward from the other end is also possible to form the fixed to the lifting ring (119).

In FIG. 7 and FIG. 8, reference numeral 1361 illustrates a stopper provided in the lifting ring 136 and positioned above the guide 138 to act on the guide 138. When the stopper 1361 is provided, the falling distance of the lifting ring 136 is limited by the stopper 1361, so that the inclination angle θ between the guard net 133 and the extension member 131 without a separate fixing wire 137 is provided. Can be maintained.

In FIGS. 7 and 8, reference numerals 1391 and 1392 illustrate fixing parts of the other end of the lifting wire 139.

After the work is completed, the lifting hook 119 and the lifting ring 136 are hooked to the hook 40 of the crane as shown in FIG. 9, and then the tie bolt 112 is removed. As shown in the drawing, the lifting ring 136 rises relatively toward the lifting ring 119 and the lifting wire 139 is pulled, and the guard net 133 rotates toward the extension member 131 about the hinge portion. As shown in FIG. 10, the inclination angle θ between the guard net 133 and the extension member 131 decreases.

After the lifting is completed, after the tie bolt 112 is fastened and the hook 40 is removed from the lifting ring 119 and the lifting ring 136, the extension member 131 around the hinge part by the weight of the guard net 133. It rotates in a direction away from and has an inclination angle θ as shown in FIGS. 4 and 5. For example, when the hook 40 is removed by installing a torsion spring for restoring the guard net 133 to the hinge part, the guard net 133 is rotated in a direction away from the extension member 131 about the hinge part. It is also possible to make this addition.

In the above-described lifting wire 139 is provided with a spring, it is also possible to correct the error of the inclination angle (θ) formed between the extension member 131 on both sides of the guard net 133.

Although the present invention has been described above with reference to the drawings, the scope of the present invention is not limited thereto, and the scope obvious to those skilled in the art to which the present invention belongs should be interpreted as belonging to the rights of the present invention.

1 is a perspective view for explaining the construction overview.

Figure 2 is a perspective view of a gangform according to the prior art.

Figure 3 is a side cross-sectional view showing a shaft according to the prior art.

Figure 4 is a schematic perspective view showing a gangform having a drop preventing unit according to the present invention.

FIG. 5 is a side cross-sectional view of a gang form including the drop preventing unit of FIG. 4.

6 is an exploded perspective view illustrating an enlarged portion A of FIG. 4.

7 and 8 are enlarged front views of part B of FIG. 4.

Figure 9 is shown for explaining the operation of the gangform having a drop preventing unit according to the present invention.

10 is a side view of the drop prevention portion shown to explain the operation of the gangform having a drop prevention portion according to the present invention.

Claims (6)

Cage 110 having the lifting plate 117 and the lifting ring 119 in the upper end, the steel foam 120 provided on one side of the cage 110, and the fall prevention provided in the lower portion of the cage 110 Section 130; The fall prevention unit 130 is a plurality of extension members 131 extending to the lower portion of the cage 110, the prevention net 133 is rotatably provided between the extension member 131 by a hinge portion, One end is spaced apart from the hinge portion is fixed to the guard net 133 and the other end is spaced apart from the hinge portion is extended to the lifting ring 119 through the extension member 131 and the lifting ring A space below the 119 is provided to be movable upward with respect to the lifting ring 119 and includes a lifting part connected to the other end of the lifting wire 139, and a space between the lifting part and the lifting ring 119. The gangform (100) having a fall prevention portion, characterized in that when the reduction is the pulling wire 139 is pulled to reduce the inclination angle (θ) between the prevention net 133 and the extension member 131. According to claim 1, The lifting portion is a hollow guide 138 provided on both sides of the lifting ring 119, both sides are slidably inserted into the guide 138 extending to the lower portion of the guide 138 A rising ring 136; The other end of the lifting wire (139) is a gangform (100) having a drop preventing portion, characterized in that fixed to the lifting ring (136) extending to the lower portion of the guide (138). According to claim 1, The lifting portion is a hollow guide 138 provided on both sides of the lifting ring 119, both sides are slidably inserted into the guide 138 extending to the lower portion of the guide 138 A hollow lifting ring 136; The lifting wire 139 is inserted into one side of the hollow lifting ring 136 and protrudes to the other side, and the other end of the protruding lifting wire 136 is provided with a drop preventing portion, which is fixed to the lifting ring 119. Gang form (100). The method of claim 1, wherein one end is spaced apart from the hinge portion is fixed to the guard net 133 to the outside of the lifting wire 139 and the other end is spaced apart from the hinge portion extending member 131 to the outside of the lifting wire 139 The gangform (100) having a drop preventing portion, characterized in that it further comprises a fixing wire (137) fixed to the retaining angle (θ) between the guard net (133) and the extension member (131). The method of claim 4, wherein the lifting portion is made of a hollow guide (138) provided on both sides of the lifting ring (119); The lifting wire 139 passes through one of the guides 138 from below and upwards, and the other side of the guide 138 from below through the other end is fixed to the lifting ring 119, characterized in that Gang foam (100) provided. 4. The drop preventing part according to claim 2 or 3, wherein the lifting ring 136 has a stopper 1361 positioned above the guide 138 so as to be caught by the guide 138. Gangform (100).

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