KR200367569Y1 - Fixing device for form - Google Patents

Abstract

Disclosed is a form fixing device in which a work process is shortened and the risk of external wall work is reduced by an operator moving the main body bolt on the outer wall to fix the inner wall.

Such a form fixing device, in the form fixing device, forms a guide hole 114a in a vertical direction and forms a first body hole 116 penetrating the guide hole 114a; Forming holes 122a and 122b having different diameters to communicate with each other, the fixing plate 120 is inserted into the guide hole 114a of the support body 110; and a cone nut 132 is formed at the front end and the rear end. A head bolt 134 and an insertion groove 136 formed to penetrate through the first through hole 116 of the support body 110 and the insertion hole 122a of the fixing plate 120; An automatic reversing means (140) for reversing elastically when the main body bolt (130) is forward fixed and automatically retracts when it is released; And fixing means 150 for fixing the support body 110 to the support bar of the gangform.

Description

Forming device for form {Fixing device for form}

The present invention formwork fixing device is installed on the support bar of the gangform progresses the work to fix the main body bolts from the inside to shorten the work process, and relates to a formwork fixing device to reduce the risk of external wall work.

In general, when forming a wall of an apartment or a building, two formwork is installed in the space corresponding to the thickness of the wall, that is, the inner wall and the outer wall, respectively, and the form fixing device is installed so that the gap can be maintained firmly. .

The fixing device is fastened in a posture penetrating two formwork to maintain the spacing of the formwork, the inner fixing bar positioned in a posture penetrating the inner wall side formwork, and penetrates in a posture corresponding to the inner fixing bar in the outer wall side formwork. An outer fixing bar which is fastened by a screw coupling, and the fixing pin for detachably fixing the inner and outer fixing bar to the two formwork side.

At this time, a screw portion is formed on the engaging side front end of the inner fixing bar and is set in a normal posture corresponding to the outer wall side formwork spaced apart from the formwork through the inner wall side formwork.

In addition, the outer fixing bar is provided with a connector formed with a screw groove to be connected to the screw portion of the inner fixing bar, the inner fixing bar is fastened by screw coupling to the connector, and the free end side of the inner and outer fixing bars is fixed pin The two formwork is set to the posture for wall construction while being fixed to the inner and outer formwork respectively.

The connector is set so as to protrude between the two formwork spaced apart through the outer wall-side formwork, and when the aspect of the wall is completed after the concrete is placed, the fastening with the inner fixing bar is released and can be easily separated from the cured wall For example, the diameter of both ends is manufactured from the cone-shaped cylindrical body with different diameters.

The two formwork, that is, the formwork located on the inner wall side, use a functional panel such as a flow form, and on the outer wall side, a conventional gangform, in which a reinforcement such as metal pipes is combined with a single panel, is used.

When the curing of the wall is completed by placing concrete between the inner formwork and the outer formwork set in the inner wall side and the outer wall side area as described above, the formwork dismantling work in the wall, the inner formwork, that is, the euroform is fixed inside the Separate the foam pins from the inner wall of the wall by separating the bar pins.

The outer formwork, that is, the gangform, is released from the gangform by releasing the fastening of the outer fixing bar fastened to the inner fixing bar, and the gangform having the outer fixing bar separated therefrom, for example, for construction of an upper wall. It is transported as it is to the upper layer area by a separate transport device and is set again in the area for wall construction on the upper side.

When dismantling the inner and outer formwork as described above, since the euroform is located in the interior of the building, but not described above, the ceiling slab is constructed together with the wall in the lower floor, so vertical transportation is not possible in the assembled state due to the set position. Therefore, it is inevitable to separate them and transport them back to the upper floor area. Since the gangform is set in the outer area of the building, vertical transport is possible without being completely separated from the outer wall surface of the cured wall.

1 is an exploded perspective view of a conventional form fixing device, Figure 2 is a cross-sectional view of the state of use of the conventional form fixing device, the conventional form fixing device as shown in the drawing is the inner side to fix the flow path (F2) inside A fixing bar 2, an outer fixing bar 4 detachably coupled to the inner fixing bar 2 and fixing an outer gang form F1, and installed in the outer fixing bar 4 and fixing the inner side A connector (6) detachably connecting the bar (2), and support means (8) for detachably supporting the outer fixing bar (4) from the gangform (F1), the support means (8) A fixing plate 22 through which the outer fixing bar 4 penetrates, a fastening member 24 for separably fixing the fixing plate 22 to the gang form F1, and an outer fixing bar (to the fixing plate 22). 4) is composed of a lock (26) for connecting in a fixed state.

This conventional formwork fixing device in the state in which the operator advances the outer fixing bar 6 installed through the fixing plate 22 of the support means 8 fixed to the support bar 10 of the gang form (F1) on the outer wall side Fix the position on the fixing plate 22 with the locking hole 26, and connect the inner fixing bar (2) by screwing to the connector (6) formed on the front end of the fixed outer fixing bar (6) on the inner wall side, Installing the flow path (F2) to be spaced apart from the gang form (F1) and fixed to the inner fixing bar (2).

When fixed at regular intervals by the inner and outer fixing bars (2, 4), the concrete is poured between the gang form (F1) and the euro form (F2) and cured. After the concrete wall is created, the worker forms the euro form (F2) on the inner wall. Remove the and the outer wall surface to raise the lock (26) and then rotate the outer fixing bar (4) to separate from the inner fixing bar (2) embedded in the concrete wall. When such a work is completed, the gangform (F1) is carried upwards to repeat the next work continuously.

However, in order to fasten the outer fixing bar 4 to the fixing plate 22, the worker must work on the outer wall side, but the site where the gangform F1 is used is a high-rise apartment or building, so that the external work in the high air is Since it is very dangerous, there is a need to reduce such external work to prevent the risk of safety accident.

Therefore, the present invention form fixing device is devised in accordance with the necessity of the above, by advancing the work to fix the main body bolts to proceed in the inside shortens the work process on the outer wall to provide a form fixing device to reduce the risk of safety accidents. Its purpose is to.

In addition, the form fixing device of the present invention has a form fixing device for easily fastening the Sepha Tie on the inner side during the next operation by limiting the retraction distance of the main body bolts retracted by the elastic spring when separating the cone nut from the Sepha Tie. The purpose is to provide.

1 is an exploded perspective view of a conventional formwork fixing device,

2 is a cross-sectional view of a conventional formwork fixing device,

3 is a perspective view of the present invention die fixing device,

Figure 4 is an exploded perspective view of the present invention formwork fixing device,

5 is a cross-sectional view taken along the line A-A of FIG.

6 is a cross-sectional view taken along the line B-B of FIG.

7 is a cross-sectional view taken along the line C-C of FIG.

8a to 8d is a cross-sectional view of the operation of the present invention die fixing device,

Figure 9a, 9b is a front view showing the action of the present invention formwork fixing device.

※ Explanation of code for main part of drawing

110: support body 112: second hole

114: Information board 114a: Information Hall

116: first through 120: fixed plate

122a, 122b: Insertion hole 130: Body bolt

132: Conn 132a: Female thread

134: head 136: insertion groove

138: fixed groove 140: automatic reversing means

142: elastic spring 144: stopper

146: hollow pipe 148: rubber packing

150: fixing means 152: support bar

154: fixing bolt 156: nut

The present invention formwork fixing device for achieving the above object, in the formwork fixing device, forming a guide hole in the vertical direction and forming a first through hole penetrating the guide hole; and, the diameter of each other on the plate surface A fixing plate inserted into the guide hole of the support body by forming another insertion hole in communication with the support body; and fixing the cone at the front end and forming a head and an insertion groove at the rear end to penetrate through the first through hole of the support body and the insertion hole of the fixing plate. A main body bolt installed; and automatic reversing means for automatically reversing the elastic body when the main body bolt is fixed forward and then released; And, a fixing means for fixing the support body to the support bar of the gangform.

Here, the automatic reversing means is preferably made of a stopper fixed on the body bolt, and an elastic spring inserted into the front end side of the body bolt 130.

In addition, the fixing means is preferably composed of a fixed bar that is caught on the support bar of the gangform, a fixed bolt that is fixed to the fixed bar and penetrates the support body, and a nut screwed to the tip of the fixed bolt.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the present invention die fixing device will be described in detail.

3 is a perspective view of the present invention die fixing device, Figure 4 is an exploded perspective view of the present invention die fixing device.

Formwork fixing device of the present invention as shown in the figures is largely fixed to the support body (110) fixed to the support bar (F1a) formed on the back of the gangform (F1), the support body 110 and the gangform (F1) Body bolts 130 that are fastened to the Sepha Tie 200 that supports the Euroform F2, and a fixing plate 120 for fixing the body bolts 130 to the support body 110, and the fixing plate ( It consists of an automatic reversing means 140 for moving the body bolt 130 to the rear when unlocking the 120 and a fixing means 150 for fixing the support body 110 to the support bar (F1a).

The support body 110 has a guide plate 114 protrudingly formed on the front surface of the plate-shaped body, the guide hole 114a vertically penetrates into the guide plate 114 and penetrates the body through the front surface of the guide plate 114. The first and second through holes 112 and 116 are formed.

The fixing plate 120 is inserted into the guide hole 114a of the support body 110, and forms insertion holes 122a and 122b having different diameters on the plate surface.

The body bolt 130 is inserted through the first through hole 116 of the support body 110 and the insertion hole 122a of the fixing plate 120, the outer surface is inclined toward the tip and the female screw portion (inside the tip). A cone nut 132 having 132a formed is formed at the front end, an angled head 134 is formed at the rear end, an insertion groove 136 is formed at the rear end, and a fixing groove 138 is formed at the center. .

On the other hand, the insertion hole 122a having a larger diameter among the insertion holes 122a and 122b of the fixing plate 120 is formed to be larger than the diameter of the body bolt 130 to a size to which the body bolt 130 is inserted and moved. The small insertion hole 122b is formed to have a smaller diameter than the body bolt 130 so as to be inserted into the insertion groove 136 formed at the rear end of the body bolt 130.

The automatic reversing means 140 is to automatically reverse the body bolt 130 by the elastic force, the stopper 144 is inserted into the fixing groove 138 of the body bolt 130, the body bolt 130 The elastic spring 142 is inserted into the front end side of the, the hollow pipe 146 surrounding the outer side of the elastic spring 142, and the insertion side end of the elastic spring 142 is inserted into the position of the elastic spring 142 It is made of a rubber packing 148 to be fixed, the front end of the elastic spring 142 is expanded to be larger than the inner diameter of the hollow pipe 146 to prevent the separation of the hollow pipe 146.

The fixing means 150 is a fixing bar 152 that is caught on the support bar (F1a) of the gangform (F1), and the fixed bar 152 is fixed to the second through hole 112 of the support body 110 It consists of a fixing bolt 154 and a nut 156 screwed to the tip of the fixing bolt 154.

Hereinafter, the operation of the present invention formwork fixing device having the above configuration.

5 is a cross-sectional view taken along line AA of FIG. 3, FIG. 6 is a cross-sectional view taken along line BB of FIG. 3, FIG. 7 is a cross-sectional view taken along line CC of FIG. 3, and FIGS. 8A to 8D are cross-sectional views of an operation of the present invention. 9a and 9b are front views showing the action of the present invention formwork holding device.

As shown in the drawing, the fixing plate 120 is inserted into the guide hole 114a formed in the vertical direction by the guide plate 114 formed to be spaced apart from the plate surface of the support body 110 by a predetermined distance, thereby providing the first guide plate 114. The body bolt 130 through which the cone bolt 132 is formed at the front end of the through hole 116 and the large diameter insertion hole 122a of the fixing plate 120 is inserted through the body bolt 130. The stopper 144 is fixed to the fixing groove 138 in the center, the rubber packing 148 is inserted, and then the elastic spring 142 is inserted, so that the insertion side end of the elastic spring 142 is provided by the rubber packing 148. Position is fixed.

The support body 110 supports the rear surface of the gang form F1 so that the nut 132 formed at the front end of the main body bolt 130 is located in the through hole F1b formed through the plate surface of the gang form F1. Located in the bar (F1a), the fixing bar 152 of the fixing means 150 is arranged to be supported by the support bar (F1a) of the gangform (F1), and then fixed bolt 154 fixed to the fixing bar 152 When the front end of the support body 110 is exposed to the front through the second through hole 112, it is fastened to the nut 156 to be firmly fixed.

On the other hand, the hollow pipe 146 is inserted into the outer side of the elastic spring 142 to protect the elastic spring 142, which is easily contaminated by concrete, and is freely separated from the hollow pipe 146 inserted state. In order to prevent that, the front end of the elastic spring 142 is expanded larger than the inner diameter of the hollow pipe 146.

After installing the present invention formwork fixing device to the support bar (F1a) of the gangform (F1) as described above, the front end screw portion 202 of the Sepha Tie 200 on the opposite side of the gangform (F1) of the body bolt 130 It is fastened to the female thread part 132a of the nut 132 formed in the front-end | tip.

The insertion grooves formed at the rear end of the main body bolt 130 are pulled by the septum 200 connected to the main nut 130 to move the main body bolt 130 from the support body 110. 136) while the insertion hole 122b of the small diameter of the fixing plate 120 is inserted, the fixing plate 120 is lowered in the guide hole 114a of the supporting body 110 to fix the position of the body bolt 130 in the pulled state. Let's do it. At this time, the elastic spring 142 inserted between the stopper 144 fixed to the fixing groove 138 of the main body bolt 130 and the inner surface of the gang form (F1) pulls the main body bolt 130 toward the gang form (F1). Compressed as it is built.

As the main bolt 130 is fixed in the pulled state, when the cone nut 132 enters the through hole F1b of the gang form F1 and protrudes toward the front of the gang form F1, the euro foam is formed on the opposite side of the gang form F1. (F2) is installed and the fastening hole (204a) formed in the head portion 204 of the Sepha Tie 200 and the fastening hole formed in the rib of the flow path (F2) is fixed with a fixing pin (P).

As such, the concrete is placed in the space between the gang form (F1) and the euro form (F2) in a state where the gang form (F1) and the euro form (F2) are fixed by the body bolt (130) and the Sepha Tie (200). (W) is generated.

When the wall W is generated, the fixing pin P that fixes the euroform F2 to the Sepha Tie 200 is removed, and the euroform F2 is removed from the inner surface of the concrete wall W, and then the wall W The head part 204 of the Sepha Tie 200 exposed by) is blown and removed.

And in the outer wall is inserted into the guide hole (114a) of the support body 110 to raise the fixed plate 120 for fixing the body bolt 130, and the head 134 of the body bolt 130 to separate tools Rotating by using so that the cone 132 is separated from the threaded portion 202 formed at the tip of the Sepha Tie 200.

As the threaded portion 202 of the screwed sepatie 200 and the cone 132 formed at the tip of the body bolt 130 are separated, the body bolt 130 is automatically retracted by the elastic force of the elastic spring 142. At this time, the stopper 144 inserted into the fixing groove 138 of the body bolt 130 is caught in the first through hole 116 of the support body 110, the reverse distance is limited, so the tip of the cone 132 is gangform It stops in the state located in the through-hole F1b of F1.

In such a state, the gang form (F1) is moved upward by using a crane or a crane, and the wall creation work as described above is continuously performed.

Such a formwork fixing device of the present invention has the advantage that the work process is shortened by proceeding to fix the position in the state in which the main body bolt 130 is pulled, reducing the work process of the outer wall work.

That is, when the sepatie 200 is screwed and connected to the cone 132 of the body bolt 130 located behind the through hole F1b of the gang form F1 on the inner wall side, and pulls the body bolt 130. As the elastic spring 142 is compressed while being pulled out, an insertion hole 122b having a small diameter of the fixing plate 120 located in the guide hole 114a of the support body 110 is formed at the side of the main body bolt 130. The position is fixed while being inserted into the (136) body bolt 130 is pulled. This is not only easy to work by eliminating the outer wall work process to push the body bolt to the gangform side from the conventional outer wall, but also to prevent the safety accident by shortening the outer wall work process proceeds in high altitude.

In addition, when removing the cone nut 132 from the Sepha Tie 200 during the dismantling operation, the body bolt 130 is reversed by the elastic spring 142, at this time fixed to the fixing hole 138 of the body bolt 130 The stopper 144 is caught by the first through hole 112 of the support body 110 so that the tip of the cone 132 is located in the through hole F1b of the gang form F1, and the reversing distance of the body bolt 130 is It is convenient to fasten the Sepha Tie 200 to the nut 132 of the main body bolt 130 on the inner wall side during the next operation.

As the above-described formwork fixing device of the present invention is installed on the support bar of the gangform, the work process is reduced by advancing and fixing the body bolts inside, thereby reducing the risk of external wall work.

In addition, the die fixing device of the present invention is that the main body bolt is reversed by the elastic spring when the cone nut is separated from the Sepha Tie during the dismantling operation, at this time, the reverse distance of the main body bolt is limited to be located in the through hole of the gang form This also has the effect of tightening the Sepha Tie from the inner side during the next operation.

Claims (3)

In the formwork, A support body 110 forming a guide hole 114a in a vertical direction and forming a first through hole 116 penetrating the guide hole 114a; A fixing plate 120 formed to communicate with each other by inserting holes 122a and 122b having different diameters on the plate surface and being inserted into the guide holes 114a of the support body 110; A cone nut 132 is formed at the front end, and a head 134 and an insertion groove 136 are formed at the rear end, so that the first through hole 116 of the support body 110 and the insertion hole 122a of the fixing plate 120 are formed. Body bolts 130 are installed through the; An automatic reversing means (140) for reversing elastically when the main body bolt (130) is forward fixed and automatically retracts when it is released; And, Formwork fixing device comprising a; fixing means for fixing the support body 110 to the support bar of the gangform (150). The method of claim 1, The automatic reversing means 140 is a formwork fixing device, characterized in that the stopper 144 is fixed on the body bolt 130 and the elastic spring 142 is inserted into the front end side of the body bolt 130. The method of claim 1, The fixing means 150 is a fixing bar 152 that is caught on the support bar of the gang form, the fixing bolt 154 is fixed to the fixing bar 152 and penetrates the support body 110, and the fixing bolt 154 Formwork fixing device, characterized in that consisting of a nut 156 screwed to the tip.