KR100835613B1 - Apparatus for preventing a crashing of gang-form buit-in type - Google Patents

Abstract

A built-in gang form holding apparatus is provided to prevent a gang form from being separated from a wall of a building by protruding an anchor pin out of a mounting unit and into a hole of a concrete slab. A built-in gang form holding apparatus comprises a holding anchor unit(300), a mounting unit(200), and a support unit(100), The holding anchor unit includes an anchor pin(310), a control lever(320), and a stopper. The anchor pin is installed in the mounting unit, and protruded out of the mounting unit through a hole of the mounting unit to be inserted to a hole of a concrete slab. The control lever is attached to the anchor pin to move up and down the anchor pin. The holding anchor unit is installed to the mounting unit. The stopper pops out of the anchor pin to cause the anchor pin to be caught by the bottom of the mounting unit when the anchor pin is inserted in the hole of the concrete slab. The support unit is fixed to a gang form.

Description

Landfill gangform fall prevention device {Apparatus for preventing a crashing of gang-form buit-in type}

The present invention relates to a gangform fall prevention device, and more particularly to a device for supporting the gangform when the fall of the gangform.

In general, in the construction of high buildings such as high-rise apartments, buildings, or malls, most of the exterior walls are constructed by concrete casting methods. Thus, in order to construct the exterior walls of the building, a large steel gang form is used. I'm using

Gang foam commonly used as described above is a number of steel foam installed to construct the outer wall and a cage for installing the working scaffold and handrail, and the fixing bolt for fixing the inner form of the outer wall and the steel foam formed on the outside Consists of parts.

Such a gangform is made of a plurality of to build the outer wall of the building, a weight of about 3-4 tons per gangform, and is a situation to move by a crane to a large structure having a height of about 9m.

Gangform configured as described above can be pulled up using a crane installed in the construction site, because the crane can not be used continuously, after releasing the remaining fixing bolts except the fixed bolts fixed below, lifting the hook of the crane Hang the hook and release the fixing bolt fixed below. Then use the crane to pull the gang form up.

However, in the process of lifting the gangform up, the operator often releases a part of the fixing bolt under the steel form in order to speed up (or inadvertently) the work progress before engaging the hook of the crane to the lifting ring of the gangform. As a result, the gang form crash accidents are frequently occurring.

In addition, when lifting the gang form by coupling the hook of the crane to the lifting ring of the gang form, a temporary impact on another adjacent gang form may occur, causing damage to the lower fixing bolt of the gang form causing a fall. An accident is also happening.

An object of the present invention is to provide a buried gang foam fall prevention device that can prevent the fall of the gang foam.

An object of the present invention is to provide a buried gang foam fall prevention device that can prevent the gang foam falls to the outside of the building.

The buried gang foam fall prevention device of the present invention is a fixed anchor portion inserted into the insertion groove formed on the upper surface of the concrete floor; A mounting part in which the fixed anchor is installed; And the mounting portion is installed, and includes a support fixed to the gangform.

According to an embodiment of the present invention, the fixing anchor portion includes an anchor pin which is inserted in the insertion groove or detachably mounted to the mounting portion to be separated from the insertion groove.

According to an embodiment of the present invention, the fixing anchor portion is accommodated in the inner space of the mounting portion protrudes through the entrance formed in the bottom surface of the mounting portion is anchor pin is inserted into the insertion groove; An operation lever coupled to the anchor pin and configured to up and down the anchor pin such that the anchor pin is inserted into the insertion groove; And a locking member for regulating an arbitrary rise of the anchor pin inserted into the insertion groove.

According to an embodiment of the present invention, the locking member includes a stopper protruding from the outer circumferential surface of the anchor pin so as to be caught by the bottom surface of the mounting part when the anchor pin is inserted into the insertion groove and rotated by a predetermined angle.

According to an embodiment of the present invention, the operation lever can be rotated to rotate the anchor pin at an angle so that the stopper is locked to the bottom surface of the mounting portion.

According to an embodiment of the present invention, the fixing anchor portion is provided on the operating lever, the spring provides an elastic force to release the anchor pin from the insertion groove in a state in which the stopper is not caught on the bottom surface of the mounting portion; And a spring cover installed to surround the spring.

According to an embodiment of the present invention, the support portion includes a first vertical support that is fitted and coupled between the vertical bars of the gangform; A second vertical supporter positioned inside the steel foam of the gangform and having an upper end to which the first vertical mounting bracket is connected and fixed, and a lower end to which the mounting portion is connected and fixed; And a support plate fastened to the vertical bar and the first vertical support by bolts outside the vertical bar of the gangform.

According to the present invention, the gangform not only supports not to fall vertically downward, but also has a special effect that can safely support the gangform even when falling down while falling in the outward direction of the wall rather than vertically downward.

Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to FIGS. 1 to 8. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shape of the elements in the drawings are exaggerated to emphasize a more clear description.

1 is a perspective view showing a buried gangform fall prevention device according to a preferred embodiment of the present invention. Figure 2 is a side view of the buried gangform fall prevention device shown in Figure 1, Figure 3 is a view showing a fixing anchor installed in the mounting portion. And, Figure 4 is a perspective view showing a state in which the embedded gangform fall prevention device is mounted on the gangform.

1 to 4, the embedded gangform fall prevention device 10 includes a support part 100, a mounting part 200, and a fixed anchor part 300.

The support part 100 is a part fixed to the gangform 1 and includes a first vertical support 110, a second vertical support 120, and a pair of reinforcement plates 130. The first vertical support 110 is a pillar portion that is inserted and fixed between the vertical bar (2) installed on the horizontal bar (3) of the gangform (1), the pillar shape may be a column or a polygonal column, but the gangform Since the vertical bar 2 of (1) is in the form of a square pipe, it is most preferable that the first vertical support 110 is also a column in the form of a square pipe. The first vertical support 110 may be fixed by bolts after being fitted between the vertical bars 2 of the gangform 1, and in the present invention, a pair of reinforcing plates 130 outside the vertical bars 2. By fastening the bolts to the vertical bar 2 and the first vertical support 110, the support 100 can be more firmly fixed to the gangform (1).

The second vertical support 120 is located inside the steel form 4 of the gangform 1. The upper end of the second vertical support 120 is connected and fixed to the first vertical support 110, the lower end of the second vertical support 120 is fixed to the mounting portion 200. Most preferably, the second vertical support 120, the first vertical support 110, and the mounting portion 200 are firmly fixed by bolt coupling and welding. On the other hand, the upper end of the first vertical support 110 and the second vertical support 120 is supported bolt 140 is installed. The support bolt 140 is to remove the shaking caused by the play of the bolt connecting the second vertical support 120 and the first vertical support 110, and penetrates the upper end of the first vertical support 110 By supporting one side of the second vertical support 120, to block the shaking of the second vertical support 120.

The mounting part 200 is fixed to the second vertical support 120 in a state spaced apart from the concrete floor (slab) C by a predetermined distance. Mounting unit 200 is formed in a rectangular box shape, the interior of the anchor pin 310 is accommodated, the bottom 210 is formed with an entrance 212 for the anchor pin 310 and the operation on the upper surface 220 A through hole 222 through which the lever 320 penetrates is formed. The through hole 222 is provided with a rubber packing 224 so that foreign matter does not flow when concrete is poured.

The fixing anchor 300 includes an anchor pin 310 and the operation lever 320, a stopper 330 as a locking member and a spring 340. The anchor pin 310 is a portion inserted into the insertion groove (C1) formed in the concrete floor (slab) (C), the gang foam fall to prevent the fall of the gang foam (1) by being caught by the concrete floor (C) It is an important configuration. The anchor pin 310 may be divided into an upper body 312 and a lower body 314 formed by tapering downward from the upper body 312, and having a lower body 314 inserted into the insertion groove C1. The part to be inserted. Insertion groove (C1) is formed on the upper surface of the concrete floor (slab) for each position where the buried gangform fall prevention device 10 is to be mounted.

The operation lever 320 is screwed to the upper body 312 of the anchor pin 310 in the form of a shaft, the upper end is provided with a handle 322 so that the user can hold by hand. The operation lever 320 is installed to be exposed to the upper part of the mounting part through the through hole 222 formed in the upper surface 220 of the mounting part 200, and the operation lever 320 is stored in the mounting part 200 when pushed downward. An anchor pin 310 is protruded from the bottom surface 210 of the mounting portion 200 is inserted into the insertion groove (C1) formed on the upper surface of the concrete floor (slab).

On the other hand, the stopper 330, which is a locking member, is formed to protrude from the upper body 312 of the anchor pin 310, and regulates any rise of the anchor pin 310 inserted into the insertion groove C1. That is, when the operating lever 320 is rotated by a predetermined angle (45 degrees) while the anchor pin 310 exits through the doorway 212 of the bottom of the mounting portion 200, the stopper 330 is attached to the bottom surface of the mounting portion 200 ( 210) (as shown in FIG. 5C).

The spring 340 is installed on the operation lever 320. The spring 340 is compressed when the operation lever 320 is pushed in order to insert the anchor pin 310 into the insertion groove C1. When the stopper 330 is released from the locked state of the bottom surface 210 of the mounting portion 200, the anchor pin 310 is automatically separated from the insertion groove C1 by the elastic force of the compressed spring 340. do. On the other hand, the cover lever 342 is installed on the operation lever 320 to surround the spring. The cover is a double cover, and includes a top cover 342a and a bottom cover 342b.

5A to 5C are views illustrating a mounting process of the buried gangform fall prevention device.

5A to 5C, first, the buried gangform fall prevention device 10 includes a first vertical support 110 of the support part 100 between the vertical bars 2 of the gangform 1 and then reinforcement plate ( 130 is fixed to the vertical bar (2) by bolt fastening (FIG. 5a). As such, when the fixing of the buried gangform fall prevention device 10 is completed, the operation lever 320 is pressed from the top to the bottom. The anchor pin 310 is drawn out through the entrance 212 of the mounting portion 200 by the lowering of the operation lever 320 and inserted into the insertion groove C1 (see FIG. 5B). When the operating lever 320 is rotated 45 degrees to maintain the state in which the anchor pin 310 is inserted into the insertion groove C1, the stopper 330 is caught by the bottom surface 210 of the mounting part 200, and the anchor pin 310 is held. ) Is regulated (see FIG. 5C). In the present invention, only a portion of the lower body 314 of the anchor pin 310 is shown to be inserted into the insertion groove (C1), but if the depth of the insertion groove (C1) is formed deep, lowering the height of the mounting portion 200 is inserted The depth of the anchor pin 310 inserted into the groove (C1) can be adjusted.

As such, the buried gangform fall prevention device 10 of the present invention not only supports the gangform 1 to fall vertically downward, but also to fall in the direction of the arrow (outward direction of the wall) as shown in FIG. 5C ( 1) also has a special effect that can be prevented. In particular, the buried gang foam fall prevention device 10 of the present invention is installed in a state in which the anchor pin 310 is in contact with the concrete floor (C) in advance, when the gang form 1 falls down vertically buried gang foam fall The prevention device 10 does not collide with the concrete floor (C). In addition, because the anchor pin 310 is inserted into the insertion groove (C1) formed in the concrete floor (C), even if the gang form 10 falls while falling in the outward direction of the wall rather than vertically down, the gang form safely. It can support you.

 In the buried gangform fall prevention device 10 shown in FIG. 6A, the structure of the support part 100 may be partially changed according to the structure of the gangform, but the configuration of the mounting part 200 and the fixed anchor part 300 is illustrated in FIG. 1. It can be seen that the configuration is the same. In addition, in FIG. 6B, when the balcony is located at the top of the concrete wall, the insertion groove C1 may be formed on the upper surface of the balcony, and the buried gangform fall prevention device 10 may be mounted in the same manner as mentioned above.

A plurality of embedded gangform fall prevention device having the above-described configuration may be installed in a gangform at a predetermined interval, as shown in Figure 7, in order to more stably implement the fall prevention of the gangform (1) a plurality of mounting portion 200 The fixed anchor 300 may be installed.

Meanwhile, in FIG. 8, the second vertical supporter 120 may be positioned to be spaced apart from the steel foam 4. In this case, the bottom surface 210 of the mounting portion 200 may be replaced with the left and right lengths of the mounting portion 200 being shortened. One end of the plate to be formed may be formed to protrude to abut the steel foam (4).

Although described with reference to the embodiments above, those skilled in the art will understand that the present invention can be variously modified and changed without departing from the spirit and scope of the invention as set forth in the claims below. I will be able.

1 is a perspective view showing a buried gangform fall prevention device according to a preferred embodiment of the present invention.

2 is a side view of the buried gangform fall prevention device shown in FIG.

3 is a view showing a fixing anchor installed on the mounting portion.

Figure 4 is a perspective view showing a state in which the embedded gangform fall prevention device is mounted on the gangform.

5A to 5C are views illustrating a mounting process of the buried gangform fall prevention device.

Figure 6a is a view showing a buried gangform fall prevention device having a support that is changed according to the gangform structure.

Figure 6b is a view showing a buried gangform fall prevention device installed when there is a balcony on the top of the concrete wall.

 7 is a view showing a buried gang foam fall prevention device having two fixed anchors.

 FIG. 8 is a view illustrating a buried gang foam fall prevention apparatus in which a second vertical support part is spaced apart from a steel foam.

Explanation of symbols on the main parts of the drawings

100: support part

200: mounting portion

300: fixed anchor

310: Ancafin

320: operation lever

330: Stopper

340: spring

Claims (7)

delete delete In the embedded gangfoam fall arrest system: A fixed anchor portion inserted into the insertion groove formed on the upper surface of the concrete floor; A mounting part in which the fixed anchor is installed; And The mounting portion is installed, including a support fixed to the gangform; The fixed anchor portion An anchor pin which is accommodated in an inner space of the mounting part and protrudes through an entrance formed in a bottom surface of the mounting part and is inserted into the insertion groove; An operation lever coupled to the anchor pin and configured to up and down the anchor pin such that the anchor pin is inserted into the insertion groove; And Embedded gangform fall prevention device comprising a locking member for regulating the arbitrary rise of the anchor pin inserted into the insertion groove. The method of claim 3, The locking member And a stopper formed by protruding from an outer circumferential surface of the anchor pin so that the anchor pin is inserted into the insertion groove and rotated by a predetermined angle so as to be caught by a bottom surface of the mounting portion. The method of claim 4, wherein The operation lever Recessed gangform fall prevention device, characterized in that the rotation operation to rotate the anchor pin at an angle so that the stopper is locked to the bottom surface of the mounting portion. The method of claim 4, wherein The fixed anchor portion A spring installed on the operation lever, the spring providing an elastic force to release the anchor pin from the insertion groove in a release state in which the stopper is not caught by a bottom surface of the mounting portion; And Embedded gangform fall prevention device further comprises a spring cover installed to surround the spring. In the embedded gangfoam fall arrest system: A fixed anchor portion inserted into the insertion groove formed on the upper surface of the concrete floor; A mounting part in which the fixed anchor is installed; And The mounting portion is installed, including a support fixed to the gangform; The support portion A first vertical support inserted into and coupled between the vertical bars of the gangform; A second vertical supporter positioned inside the steel foam of the gangform and having an upper end to which the first vertical mounting bracket is connected and fixed, and a lower end to which the mounting portion is connected and fixed; And An embedded gangform fall prevention device comprising a support plate fastened to the vertical bar and the first vertical support by bolts outside the vertical bar of the gangform.

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