KR20130001547U - Locking apparatus of anchor bolt for preventing fall of gang form - Google Patents

Abstract

The anchor bolt locking device for preventing the fall of the gangform according to the present invention is a vertical member installed vertically on the front side of the outer form, the lifting ring fixed to the vertical member so as to protrude to the upper portion of the outer form, anchors for fixing the gang form In the gangform comprising a bolt, the safety cover is fixed to the front surface of the vertical member is fixed to the front of the vertical member and the safety cover for enclosing the left and right sides and the front and lower surfaces of the rotating shaft and the anchor bolt The rear side of the cover is combined with the safety cover fixed and the rotating shaft, the rear projection of the safety cover and the combination of the long hole of the motion conversion device to form a rotation axis, the safety member is coupled to the pull member and the motion conversion device connected to the safety ring Coupling the loop and safety cover, the vertical movement of the safety ring through the long hole of the motion converter It is configured to open and close the anchor bolt installed on the gang form by rotating the safety cover in combination with the protrusion of the safety cover, and is configured to install a safety sign plate on the front of the cover.

Description

Anchor bolt locking device to prevent fall of gang form {LOCKING APPARATUS OF ANCHOR BOLT FOR PREVENTING FALL OF GANG FORM}

The present invention relates to an anchor bolt locking device for preventing the fall of the gang form, and before the crane is connected and fixed to the safety ring of the gang form, it is not possible to dismantle the anchor bolt that fixes the gang form to the concrete structure, The present invention relates to a locking device for preventing the fall of a gang form, which can prevent a safety accident in advance.

As the gangform safety lifting system widely used in the related art, the lifting ring member 120 is installed so that the lifting ring portion 121 protrudes upward from the vertical member 111 of the gangform 110 as shown in FIGS. 11 to 14. And, the safety ring member 130 and the safety cover is installed to be fitted to the upper and lower guide member (111a) (111b) is positioned adjacent to the lifting ring portion 121 of the upper safety ring 131. It is composed of a spring member 150 provided between the 132 and the guide member 111b.

The gangform 110 is a steel plate surface 112, the vertical member 111 is installed vertically on the outer side of the iron plate surface 112, and the lifting ring portion 121 protrudes to the top of the vertical member 111 Consists of the lifting ring member 120 is installed.

The upper and lower guide members 111a and 111b are integrally installed on the vertical member 111 so that the safety ring member 130 serves as a guide when the safety hook member 130 moves up and down by the hook 160 of the crane. The guide member 111b serves to limit the position of the upper end of the spring member 150.

However, in the case of the conventional gangform safety lifting system configured as described above, when the height of the building becomes higher or lower, the upper and lower guide members 111a and 111b respectively installed on both sides of the vertical member 111 of the gangform 110 and The safety ring member 130 and the resin member 111 are installed to be fitted to the upper and lower guide members 111a and 111b so that the upper safety ring 131 is positioned adjacent to the lifting ring 121. After removing from the gang form 110 in the anchor bolt 140 in the direction intersecting with the upper and lower guide members 111a and 111b, the safety ring member 130 and the spring member 150 in accordance with the height of the building. ) Is used to install the gang foam (110).

[Document 1] No. 10-0892625 2009. 04. 02 [Document 2] Article 20-2009-0014272 [Document 3] No. 10-0976562

The present invention is to solve the problems of the prior art as described above, and provides an anchor bolt locking device for the fall prevention of the gangform that can be used in the existing installation without changing the floor height of the frame, and still work, Figure 14 As in the cross-section of the lower part is opened to compensate for the disadvantage that the operator can be dismantled arbitrarily through the tool, and to provide an anchor bolt locking device for preventing the fall of the gangform that can lock the left, right, up and down. .

Due to the principle that the vertical movement distance of the safety ring member 130 and the vertical movement distance of the safety cover are proportional to each other, the lifting ring is opened in order to open the cover by lifting the safety ring upward after locking the anchor bolt with the cover. The problem of having to be installed higher in proportion to the height of the cover than the height of the installation, and the structural problem that the spring which is externally extended in the safety ring by the distance between the safety ring and the lifting ring is also lengthened in proportion to the vertical height of the safety ring member. It is to provide an anchor bolt locking device to prevent the fall of the gang form that can shorten the movement distance.

This design cannot install safety cover over a certain size, so it is not possible to apply safety phrases to it. Therefore, a separate safety signboard is installed on the gang form to compensate for the disadvantage of double cost and work. It is to provide an anchor bolt locking device to prevent the fall of the gang form can be inserted.

The present invention is made to achieve the above object, a vertical member installed vertically on the front side of the outer foam, a lifting ring fixed to the vertical member so as to protrude to the top of the outer foam, anchor bolts for fixing the gang form In the gangform comprising, the safety cover is fixed to the front surface of the vertical member and the safety cover fixed and rotating shaft protruding toward the front of the vertical member, the safety cover as a safety cover for enclosing the left and right sides and the front and bottom of the front space of the anchor bolt Insert a safety phrase on the front of the projection, the rear projection is formed and the safety cover is fixed to the safety axis and the hinge fixed to the rotating shaft, the projection is formed on the rear of the safety cover is hinged to the motion converter and the front of the safety ring Pulling member protruding into the hinge is coupled to the motion converter, the shackle for crane connection is the safety When the safety ring is connected to lift the safety ring, the pulling member is lifted and the pulling member pulls the motion conversion device, and at the same time the safety cover is hinged to the safety cover and the rotating shaft to hinge the motion conversion device and the safety cover. The protrusion of the rear side of the safety cover is rotated and the safety cover is rotated in the downward direction so that the anchor bolt is exposed to the outside and configured to inform that the safety hook has a shackle for crane connection.

Also. The outer ring is secured to the outside of the safety ring part and the guide to couple the gangform and the hinge to the outer ring is coupled to the gangform vertical member and inverted U-shaped lifting ring, and further includes a torsion spring fixed to the safety cover and the rotating shaft And, the spring is preferably configured to exert a force to pull down the safety hook while expanding the safety hook is connected to the shackle for crane connection is connected to the safety hook.

In addition, the safety cover is fixed and the rotating shaft and the torsion spring is further installed therein, the torsion spring is connected to the safety hook portion of the crane connection shackle is twisted when lowering the safety ring portion to rotate the safety cover Preferably, the safety cover is configured to close.

In addition, the safety ring portion is an inverted U-shaped ring, the pulling member is preferably provided to be connected to only one end of the safety ring portion.

The present invention improves the problems of the prior art device with the following features. The safety cover is configured to lock not only the front of the anchor bolt, but also the top, bottom, left and right, and the safety phrase can be inserted in the front of the safety cover.

The prior art is a method in which both the safety hook and the safety cover connected to the bracket is moved up and down to lock the anchor bolt or open for dismantling, but the present invention is a vertical member of the gang form when the safety hook and the pulling member move up and down. The safety cover that locks the anchor bolt fixed to the hinge can be rotated by rotating the hinge to the rotating shaft. When the safety hook moves up and down, the safety cover rotates 90 degrees to lock or open the anchor bolt for fixing the gangform. There is an excellent advantage compared to the anchor bolt locking device for the fall prevention of the conventional gangform.

According to the anchor bolt locking device for preventing the fall of the gang form according to the present invention, when the safety ring member is not lifted upward by the crane, the safety cover locks the anchor bolt to the front, left and right sides, and the upper and lower parts. By preventing dismantling the anchor bolts, there is an effect that can prevent safety accidents due to the fall of the gang form.

1 and 2 is a perspective view showing the anchor bolt locking device installed on the gang form for preventing the fall of the gang form according to the present invention.
3 is a front view of the anchor bolt locking device for preventing the fall of the gangform according to the present invention.
Figure 4 is a rear view of the anchor bolt locking device for preventing the fall of the gangform according to the present invention.
5 is a plan view of the anchor bolt locking device for preventing the fall of the gangform according to the present invention.
Figure 6 is a bottom view of the anchor bolt locking device for preventing the fall of the gangform according to the present invention.
Figure 7 is a left side view of the anchor bolt locking device for preventing the fall of the gangform according to the present invention.
8 is an exploded view of parts of the anchor bolt locking device for the fall prevention of the gangform according to the present invention.
FIG. 9 is a schematic front view of the conventional gangform lifting device not hooked to the hook portion.
10 is a perspective view schematically illustrating an enlarged main portion of FIG. 9.
11 is a right side view of FIG. 9.

Anchor bolt locking device for preventing the fall of the gangform according to an embodiment of the present invention is a safety hook 12 to the inverted U-shaped gangform lifting ring 21 fixed to the vertical member 700 of the gangform 200 It restrains through the ring guide 11 and returns to pulling through the spring 10, and the pulling member 4 rotatably restrains the safety cover 1 coupled through the motion converter 3. .

The safety cover 1 is rotatably coupled by a safety cover fixing and rotating shaft 2 and the hinge 2C fixed to the vertical member 700 of the gangform. When the shackle for crane connection is connected to the safety hook 12, a force for pulling up the motion converter 3 through the pulling member 4 is applied, which is secured through the hinge 2C to the safety cover and the rotating shaft 2. Rotate the combined safety cover downward by 90 degrees. Safety cover (1) is formed in a structure that prevents the front, left and right, both up and down has a feature that prevents the access to the surroundings of the anchor bolt 400, the safety cover (1) that can be manufactured over a certain standard is a safety phrase ( 1A) can be inserted.

1 to 8, the safety cover 1 is formed to have a structure having an inner space close to the rectangular parallelepiped that can block the front and both sides and the upper and lower surfaces, the safety cover 1 of the gangform 200 The safety cover is fixed to the vertical member 700 and is fixed to the rotating shaft (2).

 The motion converter 3 forms one circular hole 3B and a long hole 3A so that the circular hole 3B is engaged with the pulling member 4 coupled with the safety ring 12, and the inside of the long hole 3A. The side is coupled with the protrusion 1B on the rear side of the safety cover 1, and when the safety ring 12 is moved upward by the crane, the guide of the vertical movement of the pulling member 4 is installed on the safety cover and the rotating shaft 2. (2B) serves to change the rotational movement to ensure that the safety cover (1) to rotate downward and open the anchor bolt 400.

The safety ring 12 is installed in the direction in which the pulling member 4 is installed long, the opposite side is formed short and the safety cover fixed and the rotating shaft 2 is formed with a rotating shaft fixing plate (2A) fixed to the vertical member 700 of the gangform And, it includes a guide (2B) and a rotating device (2C) to secure and rotate the safety cover.

The safety cover is fixed and the rotating shaft (2) is provided with a torsion spring so that the safety cover (1) can be rotated smoothly.

The safety hook 12 is formed in a square or circular shape, the safety ring guide 11 is the outer ring of the safety ring 12, or inserted into the safety ring 12, the safety ring 12 is vertically up and down When the exercise serves as a guide rail allows the safety ring portion 12 to smoothly move straight up and down without moving in the front and rear or left and right directions.

The spring 10 installed outside the safety hook 12 may be formed in a tension or compression type, and may have a structure in which the safety cover 1 is rotated by a torsion spring structure.

On the vertical member 700 installed in the gangform 200, an inverted U-shaped lifting ring 21 is installed for each piece of the gangform 200, which is installed on an average of two, and the gangform is installed and the shackle 300 for the crane connection to the tower crane at the time of lifting. It is intended to be fixed to use.

The safety hook 12 is restrained from moving left and right and back and forth by the safety ring guide 11, and lifted up by the crane connecting shackle 300 due to the spring 10 installed outside the safety hook 12. When the crane is separated from the shackle 300 for the crane connection, it moves downward and returns to its original position.

Before the safety hook 12 is connected to the crane, the safety cover 1 locks the front, upper and lower sides and the left and right sides of the gangform fixing anchor bolt 400 by tension or compression of the spring 10 to make a locked state. , When the safety hook 12 and the crane connection shackle 300 is connected to secure the gang form 200 by a crane, the safety hook 12 is moved upward while the pulling member 4 is connected to the safety hook 12. By rotating the protrusion (1B) of the rear of the safety cover (1) connected to the motion converter (3) by opening the anchor bolt 400 can be dismantled to prevent the safety accident of the gangform.

As described above, the anchor bolt locking device for the fall prevention of the gang form installed in the gang form 200, when the lifting force is applied by connecting the shackle 300 for crane connection to the safety hook 12, the safety cover (1) Is rotated downward by 90 degrees to have a structure to dismantle the anchor bolt 400 for fixing the gangform 200.

It is a brief description of the use of the anchor bolt locking device for the fall prevention of the gangform configured as described above.

First, the crane shackle is fixed to the lifting ring and the safety ring of the gang form, and then the crane is pulled and the safety cover is opened by transferring the force to the safety ring.

Since the safety cover is locked before the lifting hook and crane are connected, the gang foam fixing bolt cannot be dismantled. After the lifting ring and the crane are connected, the gang foam fixing bolt is opened so that the gang foam fixing bolt can be lifted after disassembly.

Although the present invention has been described in detail with reference to specific embodiments, the present invention is not limited thereto, and various changes and modifications may be made without departing from the gist of the present invention, and all such changes belong to the scope of the present invention. You will find out.

The present invention complements the disadvantages of the gangform's lifting safety device, which is used in the prior art, so that the operator can not dismantle the anchor bolts in advance before the tower crane and the lifting ring of the gang form are connected when lifting the gangform for the exterior wall of the apartment. It is a gang foam lifting safety device that can prevent the fall of gang foam, which can be applied to many construction sites at home and abroad.

1: safety cover
1A: Safety phrases (stickers) installed on the safety cover
1B: protrusions installed on the back of the safety cover
2: Fixing the safety cover and rotating shaft
2A: Securing safety cover and fixing plate of rotating shaft
2B: Motion converter installed on safety cover and rotating shaft (3) Guide
2C: Device for fixing the safety cover and fixing the rotating shaft and the safety cover (1) and rotating the safety cover (1)
3: motion conversion device [apparatus for changing the safety cover (1) up and down 90 degrees rotational movement by the vertical movement of the safety ring 12]
3A: Long hole processed in the motion converter 3
3B: Circular hole machined in the motion converter 3
4: pulling member connected to the safety ring 12 at right angles and connected to the circular hole 3B processed in the motion converter 3
10: spring
11: Guide for vertical movement of safety ring
12: safety loop
21: Gangform Lift Ring
700: gangform vertical

Claims (2)

In the gangform comprising a vertical member vertically installed on the front side of the outer foam, a lifting ring fixed to the vertical member so as to protrude to the upper portion of the outer foam, and an anchor bolt for fixing the gangform,
A safety cover fixed to the front of the vertical member and a rotating shaft protruding toward the front of the vertical member;
A safety cover for enclosing the left and right sides, the front side, and the bottom side of the front space of the anchor bolt, the rear side of the safety cover being coupled to the safety cover and the rotating shaft;
A fixing plate of a safety cover fixing and a rotating shaft for fixing and coupling the vertical member of the motion converter guide and the gang form installed on the fixing and rotating shaft of the safety cover;
Motion conversion device is connected to the rotation member and the rotational member is fixed to the safety ring, the long hole is connected to the guide installed on the fixed and rotating shaft of the safety cover and the safety cover;
When the crane is connected to the lifting ring installed on the gang form and pulled, the safety ring moves vertically up and down with the compression spring tension, which is wound on one side of the safety ring.
A motion conversion device for rotating the safety cover by converting the vertical motion into a rotational motion by interconnecting the safety cover protrusion with the pulling member fixed to the safety ring and the safety cover fixing and the rotation axis;
The torsion spring installed on the safety cover and the rotating shaft is configured to facilitate the rotational movement of the safety cover,
Safety cover that can be installed by signing the safety statement to the size discernable by the operator;
When the crane connection shackle is connected to the safety hook portion and lifts the safety hook portion, the pulling member is raised while the motion conversion device rotates to rotate the protrusion installed on the safety cover so that the safety cover is rotated 90 degrees downward. Anchor bolt locking device for preventing the fall of the gangform, characterized in that the anchor bolt is exposed to the outside in front of the safety hook portion is configured to inform that the shackle for crane connection. According to claim 1, the motion converter is fixed to the safety cover and the guide of the axis of rotation and the displacement of the safety cover projection and the long hole of the motion conversion device is fixed, the circular hole and the pulling member of the motion conversion device is hinged and pulled Anchor bolt lock device for preventing the fall of the gangform with a motion conversion device, characterized in that to lock or open the anchor bolt by rotating the safety cover in the vertical motion of the member.

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