KR101927760B1 - Band steel locking device - Google Patents

Abstract

According to an aspect of the present invention, a band steel locking device comprises: a main body provided in the shape of surrounding an external side surface and upper and lower surfaces of band steel so as to be coupled to the band steel; and a deviation prevention member coupled to the main body to prevent the band steel coupled to the main body from being deviated from the main body.

Description

[0001] The present invention relates to a band steel locking device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for preventing a bar reinforcement from being loosened.

In general, reinforced concrete vertical members such as pillars, beams, shear walls, and alternating columns are constructed by fixing the main beams of the reinforced concrete vertical members, preventing buckling of the main beams by installing band bars in the transverse direction around the main beams, , And to prevent brittle fracture, which is instantaneous fracture of the vertical members of reinforcing concrete, by causing the main rope to behave as a plastic deformation. Especially, in case of the stirrup of the column main body, Or more than 75 mm.

FIG. 1 is a plan view showing a conventional reinforced concrete column, beam, and inner shear reinforcing bars connecting the main beams facing each other in the front wall.

1, the reinforced concrete column 1 is an example of a reinforced concrete vertical member. The reinforcing concrete column 1 is installed in a square shape with a predetermined spacing in the longitudinal and transverse directions. The main reinforcing concrete column 1 has, An outer band reinforcing bar 3 is installed laterally in the outer band reinforcing bar 3 and inner band reinforcing reinforcing bars 4 are fastened at predetermined intervals inside the outer band reinforcing bar 3 to bind the main bar 2 facing each other.

In the conventional reinforced concrete column, beams, and shear walls, the outer band reinforcing bars (stubs) and the inner band reinforcing bars (connecting reinforcing bars) bind the main bars. Therefore, buckling of the column main bars is suppressed, , The inner and outer tie bars restrain the concrete inside the column, thereby increasing the rigidity of the reinforced concrete column.

However, the conventional reinforced concrete column has a tendency that the both ends are bent at 90 degrees or 135 degrees to restrain the main column of the column, and a phenomenon that the bent portions bent at 90 degrees or 135 degrees at both ends of the above- And the bending moments of the reinforced concrete columns, beams, and shear walls are reduced.

Also, to prevent buckling of the main beam, the band bar should be bent at 135 degrees, but the construction is being performed in a state where the band bar can not be bent sufficiently for rapid construction.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a device for preventing bar reinforcement which can prevent the stirrup and the bar reinforcement installed in the main bar from being unwound.

Further, it is an object of the present invention to provide a device for preventing belt deformation by preventing the belt from flowing on a reinforcing bar provided on the reinforcing bar.

According to an aspect of the present invention, there is provided an apparatus for preventing the unfolding of a belt, the apparatus comprising: a main body coupled to an outer side and an upper and lower sides of the belt, And a release preventing member for preventing the band bar coupled with the main body from separating from the main body.

The main body includes a pair of horizontal members extending from the both ends of the vertical member to the inside of the band reinforcing bars to be in contact with the upper and lower portions of the band reinforcing bars, And an inlet hole provided in the horizontal member and allowing the concrete to flow between the main body and the reinforcing bar when the concrete is poured, and an inlet hole formed in the horizontal member and being bent in a direction facing each other, Preventing protrusion for preventing the detachment of the protrusion.

The horizontal member may include an extension member which is elastically moved and is respectively provided at one end of the horizontal member and each extending in a direction corresponding to each other.

Wherein the release preventing member includes a penetrating member that passes through the inflow hole formed in the pair of horizontal members upward in the downward direction, a coupling nut provided on the outer side of the horizontal member and coupled with the upper portion of the penetrating member, And a latching protrusion provided at a lower portion of the penetrating member so that the penetrating member is hooked to the outside of the horizontal member.

Wherein the release preventing member includes an inner body that penetrates the inflow hole provided in the pair of horizontal members in a downward direction from the upper direction and faces the inner side surface of the band reinforcing bar, An outer body passing through the hole from the upper direction to the lower direction and engaging with the inlet hole provided in the vertical member to be brought into contact with the outer side surface of the band reinforcing bar and the upper end of the outer body, And a connecting body to be brought into contact with an upper portion of the connecting body.

The inner body and the outer body may have an inflow portion for allowing concrete to flow between the inner body and the bar reinforcement when the concrete is poured, and between the outer barrel and the bar reinforcement.

The connecting body may include a bent portion bent upwardly and an inlet groove formed at a lower portion of the bent portion so that the concrete flows between the connecting body and the bar steel when the concrete is poured.

The outer body may include a support plate that is bent to the inside of the band bar to join with the main body and then supports a lower portion of the band bar.

The outer body may have a first portion with one end abutting the connecting body and a second portion extending downward from the first portion.

The vertical member may include an insertion portion bent to the outside of the band bar, and an insertion groove formed between the insertion portion and the band bar to insert the second portion.

According to the apparatus for preventing belt deformation according to the present invention, it is possible to prevent the belt bar provided on the main bar from being unwound.

Further, it is possible to prevent the belt from flowing on the reinforcing bar provided on the reinforcing bar.

BRIEF DESCRIPTION OF THE DRAWINGS Fig.
FIG. 2 is a perspective view showing a state where a device for restraining a steel strip is installed according to an embodiment of the present invention. FIG.
FIG. 3 is a perspective view showing the apparatus for preventing a bar reinforcement shown in FIG. 2; FIG.
FIG. 4 is a perspective view showing a state in which a device for restraining a band bar according to another embodiment of the present invention is installed. FIG.
FIG. 5 is a perspective view of the apparatus for preventing the unfolding of the strip shown in FIG. 4. FIG.
FIG. 6 is a perspective view showing a state in which a device for preventing belt deformation according to another embodiment of the present invention is installed. FIG.
FIG. 7 is a perspective view of the apparatus for preventing a bar reinforcement shown in FIG. 6; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown.

FIG. 2 is a perspective view of a device for installing a belt-type reinforcing bar according to an embodiment of the present invention, and FIG. 3 is a perspective view of the belt-reinforcing barring preventing device shown in FIG.

As shown in FIGS. 2 and 3, the apparatus for preventing belt deformation according to an embodiment of the present invention may be installed in the reinforcing bars 30. The band bar 30 may be installed on the main bar 20 to delay buckling of the main bar 20. The apparatus 10 may be installed in the reinforcing bars 30 so that the reinforcing bar 30 can easily delay the buckling of the reinforcing bars 20. [

For this purpose, the above-mentioned belt reinforcement device 10 may include a main body 100 and a release preventing member 200.

The main body 100 is provided in the shape of a letter "U" enclosing the outer side surface and the upper and lower sides of the band reinforcing bar 30 and seats the band reinforcing bar 30 inside the main body 100 through one opened side thereof, 30). ≪ / RTI > The main body 100 combined with the band bar 30 can prevent the band bar 30 from flowing outward, upward and downward. The release preventing member 200 is engaged with the main body 100 in a state where the band reinforcing bar 30 is engaged with the main body 100 to prevent the band reinforcing bars 30 from being separated from the open side of the main body 100 Can play a role. As described above, by preventing the belt 30 from flowing and separating from the main body 100 and the release preventing member 200, the belt 30 can be easily delayed in buckling of the main bar 20.

The main body 100 may include a vertical member 110, a horizontal member 120, an inlet hole 130, and an escape prevention protrusion 140.

The vertical member 110 is brought into contact with the outer surface of the band reinforcing bar 30 and the horizontal members 120 are provided in a pair and each extend to the inside of the band reinforcing bar 30 at both ends of the vertical member 110 It can be brought into contact with the upper and lower portions of the band bar 30. The main body 100 can be formed in a 'C' shape through the vertical member 110 and the pair of horizontal members 120 so as to form the outer surface, the upper portion and the lower portion of the reinforcing bar 30 . The pair of horizontal members 120 may have extension members 121 at one end thereof. The extension members 121 may be resiliently moved from the horizontal member 120 and extend from the horizontal member 120 in a direction corresponding to each other so that the end of the horizontal member 120 is bent in a forked manner. It is easier to insert the band bar 30 into the interior of the main body 100 through the open side of the main body 100 by the extension member 121. [

The inlet hole 130 is provided in the vertical member 110 and the horizontal member 120. The vertical member 110 and the bar reinforcing bar 30 are installed when the concrete is installed after the belt- The effect of increasing the coupling force of the belt-bar unwinding prevention device 10 can be exerted by allowing the concrete to flow between the horizontal member 120 and the belt reinforcing bar 30 between the horizontal member 120 and the belt reinforcing bar 30.

The separation protrusions 140 may be provided on the pair of horizontal members 120, respectively. At this time, the release preventing protrusions 140 are bent in the directions opposite to each other, and protrude obliquely from one side where one end is opened to the direction of the vertical member 110 to be provided inside the 'U' have. The separation preventing protrusion 140 is elastically moved from the horizontal member 120 so that when the strip reinforcing bar 30 is engaged with the main body 100, the strip reinforcing bar 30 easily passes through the separation preventing protrusion 140, 100, respectively. In addition, after the band bar 30 is seated in the main body 100, the band bar 30 is prevented from moving to the opened side by the protruding release preventing protrusion 140, 30 and the main body 100 can be improved.

The release preventing member 200 may include a penetrating member 210, a fastening nut 220, and a fastening protrusion 230.

The penetrating member 210 may be provided so as to penetrate the inlet hole 130 provided in the pair of horizontal members 120 upwardly from the downward direction. For this, the penetrating member 210 may be formed in a long shape in one direction, and both ends of the penetrating member 210 may protrude from the pair of the horizontal members 120.

The coupling nut 220 is provided on the outer side of the horizontal member 120 and protrudes to the outside of the horizontal member 120 located on the upper side of the penetrating member 210, that is, And may be fastened to one end of the penetrating member 210. Here, one end of the penetrating member 210 may be provided with a thread (not shown) for bolt connection with the clamping nut 220.

The latching jaw 230 is provided on the outer side of the horizontal member 120 and protrudes to the outside of the horizontal member 120 located on the lower side of the penetrating member 210 or relatively below the pair of horizontal members 120 May be provided at the other end of the penetrating member 210. It is possible to prevent the penetrating member 210 from being pierced by a predetermined length or more by the engaging jaw 230 and to secure the pair of horizontal members 120 ) Can be made to receive the external force from the outside.

Next, a description will be given of a belt-unbuckling prevention device 10 according to another embodiment of the present invention. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 4 is a perspective view illustrating a device for installing a belt-type reinforcing bar according to another embodiment of the present invention, and FIG. 5 is a perspective view of the belt-reinforcing barring preventing device shown in FIG.

As shown in FIGS. 4 and 5, the apparatus for preventing belt deformation according to another embodiment of the present invention includes an outer side surface and an upper and lower surfaces of the reinforcing bar 30, And a release preventing member 200 for preventing the strip bar 30 coupled with the main body 100 from being separated from the main body 100. [

The main body 100 includes a vertical member 110 which is in contact with the outer side surface of the band reinforcing bar 30 and a vertical member 110 which extends to the inside of the band reinforcing bar 30 at both ends of the vertical member 110, A vertical member 110 and a horizontal member 120. The vertical member 110 and the horizontal member 120 are provided with a pair of horizontal members 120 to be in contact with the lower portion of the body 100, Preventing protrusions 140 that are provided on the horizontal member 130 and the horizontal member 120 and that are bent in directions opposite to each other to prevent the strip bar 30 coupled to the main body 100 from being detached.

In addition, the release preventing member 200 may include an inner body 240, an outer body 250, and a connecting body 260.

The inner body 240 can be brought into contact with the inner surface of the band bar 30 through the inlet hole 130 provided in the pair of horizontal members 120 from the upper direction to the lower direction. The inner body 240 has an inlet 270 for allowing concrete to flow between the inner body 240 and the reinforcing bar 30 when the concrete is poured to increase the binding force of the reinforcing bar 10 Effect can be exerted.

The outer body 250 can be brought into contact with the outer surface of the bar reinforcing bar 30 through the inlet holes 130 provided in the pair of the horizontal members 120 from the upper direction to the lower direction. At this time, when the outer body 250 passes through the inlet holes 130 provided in the pair of horizontal members 120 from the upper direction to the lower direction, the inlet holes 130 and the vertical holes 130 provided in the vertical member 110 The effect of preventing the band bar 30 from flowing outwardly together with the vertical member 110 of the main body 100 can be enhanced. A support plate 251 may be provided at the lower end of the outer body 250, one end of which is bent to the inside of the band bar 30. The support plate 251 may serve to support the lower portion of the band bar 30 after the release preventing member 200 is coupled to the main body 100 to enhance the effect of preventing the band bar 30 from flowing. The outer body 250 may include an inlet 270 for allowing the concrete to flow between the outer body 250 and the steel bar 30 when the concrete is poured, The effect of increasing the bonding force of the device 10 can be exhibited.

The connecting body 260 connects the inner body 240 and the upper end of the outer body 250 and can be brought into contact with the upper portion of the band reinforcing bar 30. The connecting body 260 abutting the upper portion of the band reinforcing bar 30 prevents the band reinforcing bars 30 from flowing upward together with the horizontal member 120 positioned on the upper side of the pair of horizontal members 120 Can be increased.

The connecting body 260 may include an upwardly bent bent portion 261 to form an inlet groove 262 between the connecting body 260 and the bar reinforcing bar 30. The inflow groove 262 is formed in the lower portion of the bent portion 261 to allow the concrete to flow between the connecting body 260 and the bar reinforcing bar 30 when the concrete is poured, The effect of height can be demonstrated.

In this embodiment, the bent portion 261 has a "C" shape, but the bent portion 261 may have various shapes.

Next, a description will be given of a belt-unbuckling prevention device 10 according to another embodiment of the present invention. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 6 is a perspective view showing a state in which a device for restraining a band bar is installed according to another embodiment of the present invention, and FIG. 7 is a perspective view showing the device for preventing a bar bar shown in FIG.

6 and 7, the apparatus for preventing unfolding of a band according to another embodiment of the present invention includes an outer side surface and an upper and lower surfaces of a band reinforcing bar 30, And a separation preventing member 200 which is coupled to the main body 100 to prevent the strip bar 30 coupled with the main body 100 from separating from the main body 100. [

The main body 100 includes a vertical member 110 which is in contact with the outer side surface of the band reinforcing bar 30 and a vertical member 110 which extends to the inside of the band reinforcing bar 30 at both ends of the vertical member 110, A vertical member 110 and a horizontal member 120. The vertical member 110 and the horizontal member 120 are provided with a pair of horizontal members 120 to be in contact with the lower portion of the body 100, Preventing protrusions 140 that are provided on the horizontal member 130 and the horizontal member 120 and that are bent in directions opposite to each other to prevent the strip bar 30 coupled to the main body 100 from being detached.

In addition, the release preventing member 200 may include an inner body 240, an outer body 250, and a connecting body 260.

The outer body 250 may include a first portion 252 that abuts the connection body 260 and a second portion 253 that extends downwardly from the first portion 252. The second portion 253 may extend downward at a central portion of the other end corresponding to one end of the first portion 252 that abuts the connection body 260.

Here, the insertion portion 111 may be provided at the lower end of the vertical member 110, and the insertion portion 111 may be bent to the outside of the belt bar 30. The insertion portion 111 may be integrally formed with the vertical member 110 and an insertion groove 112 may be formed between the insertion portion 111 and the bar reinforcing bar 30. The second portion 253 of the outer body 250 may be inserted into the insertion groove 112 and the second portion 253 may be inserted through the insertion groove 112 to prevent the separation of the main body 100 from the separation preventing member 200 can be increased.

As described above, since the device 10 is installed in the reinforcing bar 30 through a simple coupling method, rapid construction can be performed. By restraining the reinforcing bars 30 by simple operation, The effect of preventing the bending moment of the reinforced concrete column from being lowered due to the occurrence of the phenomenon that the reinforced concrete column 30 is released after the maximum yielding strength can be exhibited.

Although the present invention has been described in connection with the above embodiments, the spirit of the present invention is not limited to the embodiments disclosed herein. Those skilled in the art, who understands the spirit of the present invention, can readily suggest another embodiment by adding, changing, deleting, or adding elements within the scope of the same idea, but this is also within the spirit of the present invention something to do.

10: Anti-loosening device
20: main frame 30:
100: main body 110: vertical member
111: insertion part 112: insertion groove
120: horizontal member 121: extension member
130: inlet hole 140:
200: release preventing member 210: penetrating member
220: fastening nut 230:
240: inner body 250: outer body
251: Support plate 252: First part
253: second part 260: connecting body
261: bent portion 262: inflow groove
270:

Claims (10)

A bar reinforcement preventing device provided on a bar reinforcement installed on the main bar to prevent the bar reinforcement from loosening to delay buckling of the bar,
The apparatus includes a main body coupled to an outer side surface and an upper and lower surfaces of the band reinforcing bar,
And a release preventing member coupled with the main body to prevent the band bar coupled with the main body from being separated,
The main body includes a pair of horizontal members extending from the both ends of the vertical member to the inside of the band reinforcing bars to be in contact with the upper and lower portions of the band reinforcing bars, And an inlet hole provided in the horizontal member and allowing the concrete to flow between the main body and the reinforcing bar when the concrete is poured, and an inlet hole formed in the horizontal member and being bent in a direction facing each other, Preventing protrusion,
Wherein the release preventing member includes an inner body that penetrates the inflow hole provided in the pair of horizontal members in a downward direction from the upper direction and faces the inner side surface of the band reinforcing bar, An outer body passing through the hole from the upper direction to the lower direction and engaging with the inlet hole provided in the vertical member to be brought into contact with the outer side surface of the band reinforcing bar and the upper end of the outer body, And a connecting body which is brought into contact with an upper portion of the connecting body,
Wherein the outer body has a first portion with one end abutting the connecting body and a second portion extending downward from the first portion,
Wherein the vertical member includes an insertion portion bent to the outside of the band reinforcing bar and an insertion groove formed between the insertion portion and the band reinforcing bar so that the second portion penetrates through the insertion portion. Tension bar loosening prevention device.
delete delete delete delete The method according to claim 1,
Wherein the inner body and the outer body have an inlet for allowing concrete to flow between the inner body and the reinforcing bar and between the outer body and the reinforcing bar when the concrete is poured into the reinforcing bar.
The method according to claim 6,
The connecting body includes a bent portion bent upward,
And an inflow groove formed in the lower portion of the bent portion to allow the concrete to flow between the connecting body and the reinforcing bar when the concrete is poured.






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