KR200485853Y1 - Fixing apparatus for sleeve installation of reinforced concrete constructions - Google Patents

Fixing apparatus for sleeve installation of reinforced concrete constructions Download PDF

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Publication number
KR200485853Y1
KR200485853Y1 KR2020170002956U KR20170002956U KR200485853Y1 KR 200485853 Y1 KR200485853 Y1 KR 200485853Y1 KR 2020170002956 U KR2020170002956 U KR 2020170002956U KR 20170002956 U KR20170002956 U KR 20170002956U KR 200485853 Y1 KR200485853 Y1 KR 200485853Y1
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KR
South Korea
Prior art keywords
sleeve
bar
support rods
vertical
screw member
Prior art date
Application number
KR2020170002956U
Other languages
Korean (ko)
Inventor
송창현
Original Assignee
주식회사 어드밴건설
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Priority to KR2020170002956U priority Critical patent/KR200485853Y1/en
Application granted granted Critical
Publication of KR200485853Y1 publication Critical patent/KR200485853Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/061—Non-reusable forms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

A locking device for a sleeve-tightening of a reinforced concrete structure is disclosed. The present invention relates to a sleeve fixing apparatus for a building, which is installed to be fixed to a reinforcing bar for a structure, and which is coupled to form a rectangular frame, Four support rods supporting the rear end of the sleeve so as to be inserted and supported; And the horizontal bar is welded to the outer circumferential surface of the front end of the sleeve, and the vertical bar is fastened to the mold by being threaded through the screw member and fastened to the mold, And a plurality of steel angles.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a fixing device for fixing a sleeve of a reinforced concrete structure,

The present invention relates to a fastening device for a sleeve for fastening a sleeve in close contact with an inner surface of a mold for installing a sleeve in a reinforced concrete structure.

Generally, as shown in FIG. 1, a sleeve (s) in the form of a tubular body is installed to be embedded in the concrete (c) so as to install a pipe (p) or the like in the reinforced concrete structure. At this time, As shown in FIG.

The reinforced concrete structure having the sleeve (s) formed therein is installed in such a manner that the concrete is laid and cured in a state in which the sleeve (s) is closely attached to the inner side of the wooden formwork, and then the form is demolded.

The conventional squeezing clamp can not stably fix the sleeve s on the inner side of the mold so that the sleeve s is not pushed when the concrete is poured. There is a problem in that the construction is detached from the design position and poor construction is performed.

The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a reinforced concrete structure having a sleeve of a tubular body fixed firmly and stably on the inner side of a formwork during construction of a reinforced concrete structure, It is an object to provide a locking device.

In order to accomplish the above object, the present invention provides a fixing apparatus for a sleeve for fixing a sleeve of a reinforced concrete structure according to the present invention, which comprises a reinforcing bar for a structure and a sleeve fixing device for fixing a tubular sleeve to a wood form, Four supporting rods for supporting the rear end of the sleeve to be supported on the inner side of the rectangular frame so as to be shaped like a rectangular frame; And the horizontal bar is welded to the outer circumferential surface of the front end of the sleeve, and the vertical bar is fastened to the mold by being threaded through the screw member and fastened to the mold, Wherein each of the steel bars is welded uniformly at an interval of 90 degrees to the outer peripheral surface of the front end of the sleeve so as to be spaced apart from the front end of the sleeve by a predetermined distance, Wherein the vertical bar is fixed to the vertical bar in a spaced-apart manner through the screw member, and the first screw passage hole and the second screw passage hole, through which the screw member is passed, And the second screw passage hole is formed in a long hole shape so as to be able to adjust the fixing position of the screw member Wherein the steel bar is formed by bending a straight metal bar at right angles to have a constant thickness of 4.5 mm and the horizontal bar is made to be 20 mm so that the horizontal bar is shorter than the vertical bar, Wherein the upper and lower ends of the two vertical support rods are welded or tied to the reinforcing bars for the structure arranged in the upper and lower horizontal directions, Wherein both ends of the two horizontal support rods are connected to each other at right angles to the two vertical support rods so as to be intersected by welding or tie,
The diameter of the first screw passage hole and the width of the second screw passage hole are 6 mm when the thickness of the wooden mold is 15 mm and the diameter of the screw member is 5 mm and the length is 30 mm .

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It is possible to securely and firmly fix the sleeve to the mold by using the fixing device for fixing the sleeve according to the present invention as described above so that the sleeve is prevented from being detached from the fixed position by tightly contacting the inner surface of the mold, , It is possible to improve the workability by reducing the poor construction which can form the sleeve at the position of the concrete structure.

In addition, when using the sleeve fixing device of the present invention, it is possible to reduce the material cost by minimizing the degree of damage of the form when the form is demolded after placing the concrete in the form, thereby increasing the recyclability of the form.

1 is a schematic view showing a state where a pipe is installed in a sleeve formed in a reinforced concrete structure,
FIG. 2 is a view schematically showing an installation state of a hypothetical sleeve fixing device according to an embodiment of the present invention,
FIG. 3 is a perspective view showing a state in which the steel angle of FIG. 2 is enlarged and viewed from another direction,
FIG. 4 is a cross-sectional view showing a state in which the fixing sleeve fixing device according to the embodiment of the present invention is installed,
5 is an enlarged view of a part of FIG. 4,
FIG. 6 is a view showing the construction of a reinforced concrete structure by pouring concrete in FIG. 4. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, it will be understood by those skilled in the art that the present invention can be embodied in other forms without departing from the scope of the present invention.

In describing the specific embodiments below, various specific details have been set forth in order to provide a more concise and clear understanding of the design. It should also be noted that the parts which are commonly known in the description of the design but are not significantly related to the design are not described in order to avoid confusion in describing the design.

2 to 6, a fixing device for fixing a sleeve of a reinforced concrete structure according to an embodiment of the present invention will be described.

In the present invention, when reinforcing bars (4) for structures are installed, a wooden formwork (2) is installed on the outside of reinforcing bars (4), and concrete is laid on the formwork (2) to construct a reinforced concrete structure, Is fixed to the inner surface of the wooden mold (2) in such a manner that the side end of the sleeve (6) is tightly fixed to the inner surface of the wooden mold (2) so that the tubular steel sleeve (6)

Referring to Figs. 2 to 3, the fixing apparatus for the sleeve fixing apparatus of the present invention is configured to include a temporary supporting rod 10, a steel angle 20, and a screw member 30. Fig.

The temporary supporting rods 10 and 12 are made of reinforcing rods having a smaller diameter than the reinforcing rods 10 for the structure, and are composed of four pieces. The settable support rods 10, 12 consist of two vertical support rods 10 and two horizontal support rods 12.

Referring to FIG. 2, the two vertical support rods 10 are vertically fixed to the reinforcing bars 4 arranged vertically and horizontally, and spaced apart from each other. The upper and lower ends of the vertical support rods 10 can be joined to the reinforcing bars 4 of the two structures arranged horizontally and horizontally through fastening members such as welding or tie, respectively.

The two horizontal support rods 12 are configured so that both ends are coupled to the two vertical support rods 10 so as to be spaced apart from each other. Both horizontal support rods 12 are swapped at right angles to the vertical support rods 10 so that the intersecting portions can be joined through a fastening member such as welding or tie.

That is, the four support rods 10, 12 of the present invention are configured so that both ends of the support rods 10, 12 intersect at right angles to each other to form a rectangular frame shape, and are supported by being coupled to the reinforcing bars 10 .

The rear end of the sleeve 6 is fitted to the inside of the square frame formed by the four temporary supporting rods 10 and 12 of the present invention so that the rear end of the sleeve 6 is supported by the supporting rods 10 and 12 for the installation.

The steel angle 20 is made of a "b" shaped metal bar and consists of four pieces. As shown in FIG. 3, the steel angle 20 comprises a horizontal bar 21 and a vertical bar 24 extending vertically from the end of the horizontal bar 21 integrally. The steel angle 20 of the present invention can be formed by bending a straight metal bar having a predetermined length at right angles to form a steel angle 20 having a shape of a horizontal bar 21 and a vertical bar 24. [

In the present invention, the first screw passage hole 25 and the second screw passage hole 26 are formed in the vertical bar 24 so as to be spaced from each other along the longitudinal direction. The first screw hole 25 has a circular hole shape and the second screw hole 26 has a long hole shape.

2 and 4, the transverse bar 21 is welded on the outer circumferential surface of the end of the sleeve 6 and is spaced apart from the end of the sleeve 6 by a predetermined distance, Are threadedly coupled to the wood formwork (2) through the first threaded hole (25) and the second threaded hole (26). In this case, the vertical bar 24 is spaced apart from the inner surface of the formwork 2.

Each of the steel bars 20 is constituted of four pieces so that each of the transverse bars 21 is uniformly engaged with the outer circumferential surface of the sleeve 6 at an interval of 90 degrees and each of the longitudinal bars 24 is provided with two screw members 30 (Not shown).

As described above, each of the horizontal bars 21 of the four steel angles 20 is coupled to the outer circumferential surface of the sleeve 6, and each vertical bar 24 is connected to the die (not shown) via two screw members 30 2, the end of the sleeve 6 can be fixed to the inner surface of the mold 2 in close contact with each other.

On the other hand, a structure or an obstacle obstructing the fastening of the screw member 30 may be located on the outer side surface of the wooden mold 2, and in this case, the second screw hole 26 is formed in the shape of a long hole The screw member 30 is adjusted in position in the second screw hole 26 in the form of a long hole and fastened to the wood formwork 2 so as to avoid the obstacles located on the outer side of the wooden formwork 2, .

As shown in FIGS. 2 and 4, the present invention has a structure in which a rear end portion of a sleeve 6 is inserted and supported by an inner side of a squiggle formed by four support rods 10 and 12, and four steel angles 20 are used, The sleeve 6 can be stably and reliably placed in the designed position by fixing the end of the sleeve 6 to be in close contact with the inner surface of the wooden mold 2. [

In this state, as shown in Fig. 6, after the concrete c is laid and cured in the wooden dies 2, the dies 2 are removed from the screw member 30, The concrete structure in which the sleeve 6 is embedded in the concrete c with the sleeve 6 exposed on the front surface of the concrete c can be constructed by cutting the end of the screw member 30.

In the present invention, when the thickness of the wooden mold 2 is 15 mm, the diameter of the first screw passage hole 25 and the width of the second screw passage hole 26 are 6 mm, Each of which has a diameter of 5 mm and a length of 30 mm. This ensures that the vertical bar 24 of the steel angle 20 can be stably fixed to the timber mold 2 by securing the fixing rigidity of screwing the screw member 30 to the wooden mold 2, the degree to which the wooden mold 2 is broken due to the screw member 30 in the process of demolding the wooden mold 2 from the screw member 30 after the installation of the screw member 30 is minimized.

In the present invention, the horizontal bar 21 fixed by the screw member 30 to the die 2 of the steel angle 20 is 20 mm, and the vertical bar 24 welded to the outer peripheral surface of the sleeve 6 is 50 mm It is possible to improve the installation obstacle avoidance performance and increase the efficiency of use of the temporary material.

On the other hand, when the steel angle 20 is screwed to the wooden mold 2 by using the screw member 30 and the sleeve 6 is fixed in close contact with the inner surface of the wooden mold 2, The vertical bar 24 of the steel angle 20 can be bent with respect to the horizontal bar 21 according to the degree of fastening of the vertical bar 24, Can be removed from the wood formwork (2).

On the contrary, the steel angle 20 of the present invention is configured such that the thickness of the straight flat metal bar having a predetermined length is constantly 4.5 mm in all sections in the longitudinal direction through the bending process, It is possible to secure the fixability with which the member 30 is fixed to the formwork 2 while suppressing the non-joining factors such as the dropping of the screw member 30, and the safety of the operation can be ensured.

While the present invention has been shown and described with respect to a preferred embodiment for illustrating the principles of the invention, it is to be understood that the invention is not limited to the precise arrangements and acts as illustrated and described. Those skilled in the art will appreciate that many modifications and variations of the present invention may be made without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate modifications and changes, and equivalents thereof, should be regarded as within the scope of the appended claims.

2 ... Wood formwork
4 ... Reinforced concrete
6 ... sleeve
10,12 ... hypothetical support rods
20 ... Steel angle
21 ... horizontal bar
24 ... vertical bars
25 ... first screw through hole
26 ... second screw through hole
30 ... screw member
c ... concrete

Claims (4)

CLAIMS 1. A hypothetical sleeve fastening device for laying a tubular sleeve on a structural reinforcement and a wood form,
Four supporting rods fixed to the reinforcing bar for the structure and coupled to be in the shape of a rectangular frame so that the rear end of the sleeve is inserted and supported inside the rectangular frame;
And the horizontal bar is welded to the outer circumferential surface of the front end of the sleeve, and the vertical bar is fastened to the mold by being threaded through the screw member and fastened to the mold, A steel angle,
Wherein each of the vertical bars is coupled to the outer circumferential surface of the front end of the sleeve at an interval of 90 degrees evenly welded at a predetermined distance from the front end of the sleeve, And is fixed in a form spaced apart from the die through the screw member,
Wherein the vertical bar is formed with a first screw passage hole and a second screw passage hole through which the screw member is passed so as to be spaced apart in the vertical direction,
Wherein the second screw passage hole has a long hole shape and is configured to adjust a fixing position of the screw member,
The steel bar is formed by bending a straight metal bar at right angles to have a constant thickness of 4.5 mm. The horizontal bar is made of 20 mm so that the horizontal bar is shorter than the vertical bar, and the vertical bar is made of 50 mm ,
Wherein the four vertical support rods are composed of two vertical support rods and two horizontal support rods, both upper and lower ends of the two vertical support rods are welded or tied to the reinforcing bars arranged horizontally horizontally, Wherein both ends of the support rods intersect at right angles to the two vertical support rods so that the intersecting portions are welded or tie-coupled so that the four hypothetical support rods are in a rectangular shape,
The diameter of the first screw passage hole and the width of the second screw passage hole are 6 mm when the thickness of the wooden mold is 15 mm and the diameter of the screw member is 5 mm and the length is 30 mm Fixing device for reinforced concrete structure sleeve fixing.



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KR2020170002956U 2017-06-12 2017-06-12 Fixing apparatus for sleeve installation of reinforced concrete constructions KR200485853Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020170002956U KR200485853Y1 (en) 2017-06-12 2017-06-12 Fixing apparatus for sleeve installation of reinforced concrete constructions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020170002956U KR200485853Y1 (en) 2017-06-12 2017-06-12 Fixing apparatus for sleeve installation of reinforced concrete constructions

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KR200485853Y1 true KR200485853Y1 (en) 2018-03-06

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KR2020170002956U KR200485853Y1 (en) 2017-06-12 2017-06-12 Fixing apparatus for sleeve installation of reinforced concrete constructions

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109138460A (en) * 2018-09-27 2019-01-04 锦萧建筑科技有限公司 A kind of adjustable sleeve positioning tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090099383A (en) * 2008-03-17 2009-09-22 박찬춘 The fixture for laying sleeve in wall or slab
KR20100052759A (en) * 2008-11-11 2010-05-20 주식회사 영화키스톤건축사사무소 Sleeve
KR101438099B1 (en) * 2013-06-21 2014-09-25 대도건철(주) Construction method of pipe sleeve that is used in the construction of nuclear power plant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090099383A (en) * 2008-03-17 2009-09-22 박찬춘 The fixture for laying sleeve in wall or slab
KR20100052759A (en) * 2008-11-11 2010-05-20 주식회사 영화키스톤건축사사무소 Sleeve
KR101438099B1 (en) * 2013-06-21 2014-09-25 대도건철(주) Construction method of pipe sleeve that is used in the construction of nuclear power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109138460A (en) * 2018-09-27 2019-01-04 锦萧建筑科技有限公司 A kind of adjustable sleeve positioning tool

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