KR20120053565A - The fixing apparatus for form to concrete - Google Patents

Abstract

PURPOSE: A form fixing device is provided to safely and rapidly dismantling a form by lifting after easily dismantling the form from a slab using the combination of a vertical member and a horizontal member. CONSTITUTION: A form fixing device comprises a main body(12), a horizontal member(13), and a vertical member(15). The main body comprises two plates(10a,10b) and two gap fixing rods(11) and is fixed on the form. The gap fixing rods are connected between the plates to maintain a gap between the plates. The horizontal member is penetrated between the plates to be horizontally installed so that the horizontal member can be moved forth and back while rotating, thereby coupling with an anchor bolt of a slab side. The vertical member is vertically installed through a guide hole of a guide box(14) forming in one plate of the main body in order to move upward and downward. The vertical member is engaged with the horizontal member so that both can be interlocked.

Description

Form fixing device {The fixing apparatus for form to concrete}

The present invention relates to a mold fixing device that maintains the formwork at a predetermined interval during construction of the building, and more particularly, to be separated from the anchor bolt (or Sepha Thai) when the formwork is separated and moved after concrete solidification. The present invention relates to a formwork for securing the formability.

In general, the building construction site mainly uses reusable formwork such as gang form and euro form for building walls.

In order to construct a wall using such formwork, once the formwork is installed to maintain the thickness as much as the thickness of the wall inside and outside the wall to be constructed, the wall is formed by pouring concrete mortar between the installed formwork.

At this time, the formwork installed on the inside and outside of the wall to be built is always used to fix the formwork on the inside and outside formwork to withstand the load of the concrete mortar placed in the interior at the same time at a constant interval.

However, in order to separate the formwork after the concrete is solidified after the concrete is laid, the anchor bolt and the coupling part on the side of the fixing device are embedded in the concrete solidification part, which makes it difficult to separate the work. There is a problem of poor overall construction, such as the inconvenience to proceed.

In order to solve such a problem of deterioration in constructability, the Republic of Korea Utility Model Registration No. 20-337178, the Publication No. 326598, the Publication No. 20-0298071, the Utility Model No. 20-0337178 No. 20-0337016 discloses a form fixing device having various shapes and structures, but conventional form fixing devices combine and separate sephaties (or anchor bolts) fixed on Euroforms from a gang form formwork. When the tension mechanism is rotated with a tool such as spanner or impact, it is cumbersome to operate, and it takes a lot of installation time because the fixing plate is installed on the gang form using bolts. In addition, there is a disadvantage in that multiple operations are required by connecting a single or a plurality of points depending on the magnitude of the force.

In addition, the fixing plate is fixed so as not to move to the gangform, and when the concrete is twisted without being located in the direction perpendicular to the fixing plate when the concrete solidifies, the spiral axis is rotated properly when rotating the spiral shaft to separate the gang formwork It is difficult to separate the fasteners that are screwed to the Sepha Tie.

Accordingly, the present invention has been made in view of such a point, and is linked to a vertical member moving up and down by a variety of tools such as hydraulic or jack key and a horizontal member installed on the form side when lifting the formwork into a tower By implementing a new type of fixing device that can easily separate the fixing device from the slab side anchor bolt (or Sepha Thai) by using the movement combination, it is possible to lift the formwork safely and easily on the slab after the concrete construction. The purpose of the present invention is to provide a formwork that can improve overall workability.

An example of the formwork fixing device provided by the present invention to achieve the above object is composed of two plates arranged back and forth at a predetermined interval and at least two gap retaining rods connected between the plates to maintain the gap between the plates And a fixing device body fixedly installed on the formwork side, a horizontal member penetrating horizontally between the plates of the fixing device body, and capable of rotating in place, and a guide on the plate of the fixing device body. A vertical member which is installed vertically in the box and is rotatable and vertically movable while intersecting with the horizontal member and interlocked with the horizontal member, and a traction means connected to the upper end of the vertical member to pull the vertical member, and the traction means Rotating with vertical member moving up and down by operation of Using the linked movement between the combination of flat member and the retainer and wherein the to be easily separated from the slab side anchor bolt.

Here, the horizontal member and the vertical member is preferably to be engaged by using a transmission unit capable of engaging transmission with each other, for example, the transmission portion of the horizontal member is a tooth (齒) in the spiral direction along the longitudinal direction of the member It is made of a worm gear type is formed, the transmission part of the vertical member is a transmission system consisting of a type in which a plurality of obliquely inclined teeth (side) are formed in parallel to the front surface of the member, as another example the transmission member of the horizontal member It is made of a spur gear type in which teeth are formed at regular intervals along the outer circumferential surface, and the transmission part of the vertical member adopts a transmission gear type consisting of a rack gear type in which a plurality of teeth are formed horizontally on the front of the member. Can be.

And, the towing means is composed of a rod member connected to the vertical member side and the hook member connected to the tower side while being coupled up and down with each other, the tower can be pulled up by moving upward by the lifting force, or at the top of the formwork It is made of a traction bolt member which is installed to be movable up and down through screwing and connected to the upper end of the vertical member, and can pull the vertical member upward while turning the traction bolt member.

On the other hand, another example of the formwork fixing device provided by the present invention in order to achieve the above object is at least two gap retaining rods that are connected between the two plates and the plates arranged back and forth at a predetermined interval to maintain the gap between the plates It consists of a fixing device body fixed to the formwork side, the horizontal movement through the plate installed between the plate of the fixing device is possible to rotate, the horizontal member is fastened to the slab side anchor bolt, and one end is connected to the traction means side A wire wound on the outer circumferential surface of the horizontal member several times and connected to a spring installed on the fixing device side to rotate the horizontal member, and a spring interposed between the fixing device side and the wire to provide a wire restoring force; It is connected to the top of the wire and includes a towing means for pulling the wire Is characterized by a using a combination of linkage movement between the horizontal members by the operation of the traction means by pulling or releasing the wire to be rotated up and down and in place for easy release the mechanism from the slab side anchor bolt.

Here, the towing means is preferably composed of a hook member connected to the tower side and the wire side, respectively, so that the wire can be pulled up while moving up by the lifting force of the tower.

Formwork fixing device provided in the present invention can be lifted off the slab side easily by using a combination of vertical and horizontal members that can be interlocked by various lifting equipment or tools such as tower, hydraulic, jack key, etc. The form dismantling work can be carried out safely and quickly, thus improving the efficiency of the form reinstallation work, which can shorten the working time and reduce the labor force. It works.

In addition, the present invention can be easily dismantled by hitting the vertical member with a hammer, etc. in the case of a single product, and can be safely dismantled and lifted by one operation on the already placed slabs by connecting a plurality of vertically. .

In addition, the anchor bolt must be connected to the tower crane to be dismantled, so it can prevent falling accidents caused by not connecting it to the tower crane, and even if the anchor bolt is not connected to the tower crane, the dismantling on the slab already poured It is safe because it is possible.

1 is a perspective view showing a formwork fixing device according to an embodiment of the present invention
2a and 2b is a plan view and a side view showing the state of use of the formwork fixing device according to an embodiment of the present invention
Figure 3 is a perspective view of the formwork fixing device according to another embodiment of the present invention
4a and 4b is a plan view and a side configuration of the formwork fixing device according to another embodiment of the present invention
Figure 5a and Figure 5b is a side configuration view showing a perspective view and a use state of the formwork fixing device according to another embodiment of the present invention
6a and 6b is a side cross-sectional view showing a perspective view and a state of use of the formwork fixing device according to another embodiment of the present invention
7 is a perspective view of the formwork fixing device according to another embodiment of the present invention, Figure 8 is a side configuration diagram showing a state of use of the formwork fixing device of FIG.
9 is a perspective view showing a state of use of the formwork fixing device according to another embodiment of the present invention
10 is a perspective view showing a state of use of the formwork fixing device according to another embodiment of the present invention

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

1 is a perspective view showing a formwork fixing device according to an embodiment of the present invention.

As shown in Figure 1, the formwork fixing device is fixed to the frame of the formwork body 12, the horizontal member 13 and the vertical member 15 for separation from the slab side anchor bolt or Sepha Thai side ), A traction means 16 for moving the horizontal member 13 and the vertical member 15 while being connected to the tower or hydraulic, jack key side, and the like.

The fixing device body 12 is installed horizontally therebetween to connect the two plates (10a, 10b), the front and back plates (10a, 10b) arranged side by side facing back and forth at a predetermined interval, At least two gap retaining rods 11 which maintain the gap between the plates are included.

Here, both ends of the gap retaining rods 11 may be supported on the plate side by a nut fastening structure, and the gap between the plates may be adjusted according to the mold standard by a method of manipulating the degree of nut fastening.

In addition, the inner side of the plate (10a) located in the rear of the two plates (10a, 10b) is provided with a guide box (14) which serves to guide this during the vertical movement of the vertical member (15), The guide box 14 is formed with two guide holes 23 having a rectangular shape penetrating the top and bottom in a straight line so that the vertical member 15 moves up and down through the guide hole 23. I can receive it.

The horizontal member 13 is a means for fastening with the slab side anchor bolt (or Sepha Tie) made of a kind of rod, and horizontally penetrates the front and rear plate 10 of the fixing device main body 12 to maintain the gap between both sides. It is installed side by side with the rod 11, is engaged with the vertical member 15 is rotated and rotated, it is coupled to the plate (10a) positioned to the rear by the clip means has a structure that can be rotated in place.

That is, the horizontal member 13 is interlocked by the vertical movement of the vertical member 15 to freely rotate in place.

The vertical member 15 is formed as a kind of rectangular bar connected to the traction means 16 side to move the horizontal member 13 while moving up and down, which is located on the plate 10 of the fixing device body 12 The guide box 14 is installed vertically through the guide hole 23, and the horizontal member 13 intersects with the horizontal member 13 at the same time, and is interlocked with the horizontal member 13 through a partial length.

In addition, the horizontal member 13 is formed on one side of the circumferential surface and the vertical member 15 (surface on the side in contact with the circumferential surface of the horizontal member) are formed with transmission parts 17a and 17b which can be engaged with each other. The transmission unit 17a, 17b of may be made in the form of various transmission methods.

The towing means 16 is a means for moving the vertical member 15. The towing means 16 is connected between the lifting equipment side such as a tower and the upper side of the vertical member 15 to be pulled up when the tower is operated. You can drag and climb together.

The structure and manner of the towing means 16 may be implemented in various examples, which will be described in detail later.

Thus, the formwork is fixed between the vertical member 15 to move up and down and the horizontal member 13 to move back and forth by a lifting device such as a tower, hydraulic pressure, jack key, etc. or a pulling means 16 pulled upward by a lifting tool. The combined movement combination allows easy removal of the entire fixture from the slab side anchor bolts (or Sepha Tie).

2a and 2b is a plan view and a side view showing a state of use of the formwork fixing device according to an embodiment of the present invention.

As shown, a specific example of the transmission unit (17a, 17b) for the linkage between the horizontal member 13 and the vertical member 15 is shown here.

For example, the transmission part 17a of the horizontal member 13 is made of a worm gear type in which teeth are continuously formed in a spiral direction along the length direction of the member, and the transmission part of the vertical member 15 17b) consists of a type in which several rows of obliquely inclined teeth are formed side by side perpendicular to the front of the member.

Accordingly, the teeth of the transmission part 17b of the vertical member 15 are fastened between the worm gear type teeth of the transmission part 17a of the horizontal member 13, and eventually vertical. When the member 15 moves up and down, the horizontal member 13 is rotated and moved back and forth by the engagement transmission action between teeth.

Figure 3 is a perspective view of the formwork fixing device according to another embodiment of the present invention, Figure 4a and Figure 4b is a plan view and a side configuration showing the state of use of the formwork fixing device according to another embodiment of the present invention.

As shown, specific examples of the transmission unit 17a, 17b for the associated movement between the horizontal member 13 and the vertical member 15 is shown here.

For example, the transmission part 17a of the horizontal member 13 is made of a spur gear type in which teeth are formed at regular intervals along the circumferential direction of the outer peripheral surface of the member, and the transmission part of the vertical member 15 is formed. 17b is a rack gear type in which a plurality of teeth are formed horizontally on the front surface of the member.

Accordingly, the spur gear type teeth of the transmission part 17a of the horizontal member 13 and the rack gear type teeth of the transmission part 17b of the vertical member 15 are engaged with each other. When the vertical member 15 moves up and down, the horizontal member 13 is rotated by the engagement transmission action between the teeth.

5a and 5b is a side view showing a perspective view and a state of use of the formwork fixing device according to another embodiment of the present invention.

As shown in Figs. 5a and 5b, a specific example of the traction means 16 for moving the vertical member 15 of the fixing device up and down is shown here.

For example, the towing means 16 is composed of a hook member 18 connected to the rope (R) of the tower side and a rod member 19 connected to the vertical member 15 side, the hook member 18 at this time ) And the rod member 19 are coupled to each other up and down.

Accordingly, the hook member 18 is hooked to the tower side rope R, and the hook member 18 and the rod member 19 are operated by the tower while being connected to the upper end of the vertical member 15 in a fastening structure. When the rod member 15 is pulled up, the vertical member 15 also comes up together, and the horizontal member 13 in the fixing device body 12 rotates simultaneously with the upward movement of the vertical member 15. The fastening can be released from the slab side anchor bolt (or Sepha Tie) while moving forward.

And, if the tower is continuously operated upward, the rope (R) of the tower can hang the lifting hook 100 on the top of the formwork to lift the formwork, and eventually the work of removing the fixing device and removing the formwork is performed. The advantages that can be achieved in a continuous process can be obtained.

6a and 6b is a side cross-sectional view showing a perspective view and a use state of the formwork fixing device according to another embodiment of the present invention.

As shown in FIGS. 6A and 6B, another specific example of the traction means 16 for moving the vertical member 15 of the fixing device up and down is shown here.

For example, the traction means 16 is made of a traction bolt member 20 which is supported on the formwork side, the traction bolt member 20 at this time is to be moved up and down through the screw coupling to the top of the formwork. Is installed.

Here, the traction bolt member 20 may be installed in a structure that is fastened on the nut member mounted to the formwork.

The lower end of the traction bolt member 20 is connected to the upper end of the vertical member 15 in a freely rotatable structure.

Accordingly, when the head of the towing bolt member 20 is turned by a tool or the like, the towing bolt member 20 is raised upward by moving through the screwing with the nut member mounted on the formwork. Subsequently, the vertical member 15 connected to the lower end of the towing bolt 20 is also raised along, and thus the horizontal member 13 engaged with the vertical member 15 and the transmission parts 17a and 17b. ) Also rotates forward, so that the formwork can be dismantled while being separated from the slab-side anchor bolts or sephaties.

Figure 7 is a perspective view of the formwork fixing device according to another embodiment of the present invention, Figure 8 is a side configuration diagram showing a state of use of the formwork fixing device of FIG.

As shown in FIG. 7 and FIG. 8, an example in which the wire 22 is used as a means for moving the horizontal member 13 of the fixing device is shown.

To this end, a fixing device body 12 composed of two plates 10 arranged back and forth at a predetermined interval and two gap retaining rods 11 connected between the plates 10 is provided, and the fixing is provided. The device main body 12 is provided with a horizontal member 13 which can be rotated while being horizontally installed between the plates 10 of the fixing device main body 12.

In particular, the wire 22 for rotating the horizontal member 13 is one end is connected to the traction means 16 side and the other end is wound several times along the longitudinal direction of the member on the outer peripheral surface of the horizontal member 13 After that, it is installed in the form of being connected to the fixing device body 12.

Accordingly, the fixing device is attached to the slab side anchor bolt (or by using the combined movement combination between the wire 22 pulled up and down by the operation of the towing means 16 and the horizontal member 13 freely rotating). Sepha Thai) can be easily separated.

That is, when the wire 22 is pulled by the towing means 16, the wire 22 at this time is moved up through frictional contact with the outer peripheral surface of the horizontal member 13, the pulling of the wire 22 By the action, the horizontal member 13 can be rotated, and as a result, the screw is released between the horizontal member 13 and the anchor bolt (or Sepha Tie), so that the formwork can be disassembled from the slab side.

And, it is necessary to be able to reuse the fixing device through the return of the wire 22 at the time of work, such as formwork reinstallation, for this purpose, a spring 21 is provided, at this time one side of the spring 21 is a horizontal member 13 At the same time it is connected to the end of the wire (22) of the rear side wound several times) and the other side is installed in the form of being connected to the fixing device main body 12.

Accordingly, when the pulling force of the wire 22 by the traction means 16 or the like disappears, the wire 22 is pulled again by the restoring force of the extended spring 21, so that the wire 22 can be returned to the initial state.

In addition, a turnbuckle 24 may be provided as a means for securing a constant tension of the wire 22, in which the turnbuckle 24 is interposed in a portion of the length of the wire on the side of the towing means 16. It can be installed.

Here, in the case of the towing means 16, it is preferable to constitute a hook member 18 connected to one end of the rope (R) and the wire 22 of the tower, respectively.

9 is a perspective view showing a state of use of the formwork fixing device according to another embodiment of the present invention.

As shown in FIG. 9, here, a plurality of fixing body 12 including a horizontal member 13 and a vertical member 15 are provided in a stacked manner to show a structure of dismantling formwork in a balanced manner.

For example, the fixing device main body 12 including the horizontal member 13 and the vertical member 15 is installed at regular intervals along the vertical direction and the width direction of the formwork, and each of the fixing device main bodies 12 is pulled one by one. The bar member 25 is lifted by a tower or the like by doubling the means 16 and providing each bar means 25 to the bar member 25 with one bar member 25 on the uppermost side. It is possible to operate the entire fixing device main body 12 installed in the formwork at the same time, it is possible to increase the efficiency of the form dismantling operation compared to operating the fixing device one by one.

10 is a perspective view showing a state of use of the formwork fixing device according to another embodiment of the present invention.

As shown in Figure 9, here shows an example of operating the fixing device using a lifting mechanism installed on the top of the formwork.

To this end, the fixing device main body 12 including the horizontal member 13 and the vertical member 15 is installed at regular intervals along the form width direction, and each of the fixing device main body 12 is one tow in the form of a rod While the means 16 are assigned, one lifting mechanism 26 is provided at the top of the formwork at the position of each towing means 16.

At this time, the lifting mechanism 26 is coupled to the lower side of the rod 26b, which is vertically movable in a screw box structure while being installed perpendicular to the main body 26a of the rectangular box shape and the main body 26a. It can be configured in the form including the connecting piece 26c.

The upper end of the towing means 16 is integrally coupled to the connecting piece 26c of the lifting mechanism 26.

Accordingly, when the rod 26b in the lifting mechanism 26 is manipulated and lifted up, the towing means 16 is also pulled up by the connecting piece 26c, and the fixing device installed in the formwork is operated. That is, while the horizontal member 13 is released from the slab side anchor bolt (or Sepha Tie), the formwork can be detached from the slab side. After that, the formwork is moved to the upper part and reinstalled.

10 plate 11: spacing rod
12: fixing device body 13: horizontal member
14: guide box 15: vertical member
16: towing means 17a, 17b: electric drive
18 hook member 19 rod member
20: towing bolt member 21: spring
22: wire 23: guide hole
24: turnbuckle 25: bar member
26: lifting equipment

Claims (8)

Composed between two plates 10a and 10b arranged back and forth at a predetermined interval and the plates 10a and 10b connected to each other, it is composed of two gap retaining rods 11 to maintain the gap between the plates. Fixed device body 12;
A horizontal member 13 penetrating horizontally between the plates 10a and 10b of the fixing device body 12 so as to be able to move back and forth while being fastened to the slab side anchor bolt;
It is vertically installed through the guide hole 26 of the guide box 14 formed on one side plate 10a of the fixing device main body 12, and is capable of vertical movement. Vertical member 15;
It includes, and can be easily separated from the slab side anchor bolt (or Sepha Thai) by using the combined movement combination between the vertical member to move up and down by the operation of the towing means and the horizontal member to rotate freely in place. Formwork holding device characterized in that.
The die holding device according to claim 1, wherein the horizontal member (13) and the vertical member (15) are engaged with each other by using the transmission parts (17a, 17b) that are engaged with each other. The transmission part 17a of the horizontal member 13 is made of a worm gear type in which teeth are formed in a helical direction along the length direction of the member, and the transmission part of the vertical member 15 17b) is a formwork holding device, characterized in that made of a type in which several rows of teeth are formed side by side perpendicular to the front of the member.
The transmission part 17a of the horizontal member 13 is made of a spur gear type in which teeth are formed at regular intervals along the outer circumferential surface of the member, and the transmission part of the vertical member 15 17b) is a formwork fixing device, characterized in that made of a rack gear type formed with a plurality of teeth horizontally on the front surface of the member.
The method of claim 1, further comprising a towing means 16 connected to the upper end of the vertical member 15 to pull the vertical member 15,
The towing means 16 is composed of a hook member 18 connected to the tower side while being coupled up and down with each other and a rod member 19 connected to the vertical member 15 side, the vertical member 15 while moving up by the lifting force of the tower Formwork holding device characterized in that the pull up).
The method of claim 1, further comprising a towing means 16 connected to the upper end of the vertical member 15 to pull the vertical member 15,
The towing means (16) is made up of a traction bolt member (20) connected to the upper end of the vertical member (15) at the same time is installed to move up and down through the screw coupling on the top of the formwork, the traction bolt member (20) Forming device characterized in that the vertical member (15) can be pulled up while turning.
Composed between two plates 10a and 10b arranged back and forth at a predetermined interval and the plates 10a and 10b connected to each other, it is composed of two gap retaining rods 11 to maintain the gap between the plates. Fixed device body 12;
A horizontal member 13 penetrating horizontally between the plates 10a and 10b of the fixing device body 12 so as to be able to move forward and backward and be fastened to the slab side anchor bolt (or sephaty);
One end is connected to the upper traction means 16 which pulls the wire 22, and the other end is connected to the spring 21 installed on the fixing device side after being wound several times on the outer circumferential surface of the horizontal member 13 and the horizontal member. Wire 22 for rotating 13;
And a spring 21 interposed between the fixing device side and the wire 22 to provide a wire restoring force, wherein the spring 21 is pulled up or down by the operation of the towing means and the horizontal member rotates in place. Formwork fixing device characterized in that the fixing device can be easily separated from the slab side anchor bolt by using a combination.
The method according to claim 7, wherein the towing means 16 is composed of a hook member 18 is connected to the tower side and the wire side, respectively, characterized in that the tower can be pulled up the wire 22 while moving up by the lifting force. Die fixing device.

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