JP2009001967A - Beam reinforcement assembling base - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently assemble a beam reinforcement from a beam bar and a stirrup in a short period of time. <P>SOLUTION: This beam reinforcement assembling base comprises a plurality of pairs of base assemblies 20 which are paired by first and second base bodies 21 and 22, and a stirrup retainer base 31 for vertically supporting the inside portion of the upper side of the stirrup is mounted on retainer base supporting members 25 of the at least one pair of base assemblies 20. A first beam-bar supporting rod material 36 is detachably attached to the base assembly 20, and the beam bar constituting an upside beam bar group is horizontally supported on the beam-bar supporting rod material 36. A second beam bar supporting rod material 41 is detachably attached to the base assembly 20; the beam bar constituting a downside beam bar group is horizontally supported on the beam bar supporting rod material 41; and the stirrups supported on the stirrup retainer base 31 are displaced downward after being arranged at each predetermined interval on the upside beam bar group. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a beam reinforcing bar assembly frame for assembling beam bars and stirrup bars to manufacture beam bars.

  A building using a reinforcing bar has a reinforced concrete column and a reinforced concrete beam horizontally provided on the column, and the reinforced concrete beam constituting the building is constructed in a lattice shape so as to intersect at the column part. Reinforced concrete beams are composed of beam reinforcing bars and concrete, and the beam reinforcing bars are formed by a plurality of straight beam bars and a plurality of frame-shaped stirrup bars bound to the respective beam bars by wires or the like. Reinforced concrete beams are manufactured by assembling beam rebars with beam bars and stirrup bars and then pouring the concrete into the formwork with the assembled beam rebars placed in the formwork.

  In addition to the integral type integrally formed in a quadrilateral frame shape as the stirrup streaks, each U-shaped main body with its upper end opened, and the width disposed on the opening side of this main body There is a split type that is formed into a quadrilateral as a whole by the stop bars. Patent Document 1 discloses a beam reinforcing bar using an integrated stirrup bar, and Patent Document 2 discloses a beam reinforcing bar using a split stirrup bar. As described in Patent Document 1, a small stirrup bar having a short width dimension and a large stirrup bar having a long width dimension are mixed as a beam reinforcing bar using a stirrup bar on the integral side. There is something.

The beam bars are incorporated so as to extend straight into the stirrup bars, and the upper beam bar group consisting of multiple beam bars arranged on the upper part of the concrete beam and the lower part of the concrete beam. And a lower beam bar group composed of a plurality of beam bars arranged in a normal position. As a concrete beam, in addition to an upper beam bar group and a lower beam bar group, there is a type in which intermediate beam groups are arranged in one or more rows.
JP-A-5-79188 Japanese Patent Laid-Open No. 3-66868

  Since the stirrup bars are quadrilateral, when assembling the beam reinforcement with beam stirrups and stirrup bars, a plurality of beam bars are arranged on the support base and each beam bar group is configured. Therefore, it is difficult to assemble the stirrup muscles outside the beam bars. Therefore, conventionally, after arranging the beam bars and stirrup bars in a certain positional relationship by arranging the beam bars on the support base and moving the stirrup bars in the length direction of the beam bars, they are bound with wires. is doing. For this reason, if the beam rebar assembly work is not performed carefully, the operator may be injured, and the conventional assembly work takes time, so that the beam rebar can be assembled safely in a short time. Kaga has become a solution issue in this field.

  An object of the present invention is to enable beam rebars to be efficiently assembled in a short time by beam bars and stirrup bars.

  The beam rebar assembly frame of the present invention is composed of an upper beam bar group composed of a plurality of beam bars extending in parallel to each other and a plurality of beam bars extending in parallel to each other and parallel to the upper beam bar group. A beam rebar assembly frame for assembling a beam rebar having a group of lower beam bars to be arranged and a plurality of frame-shaped stirrup bars bound to each of the beam bars, with legs attached to the lower end portion Each of which has a support column to which a cradle support member is attached at its upper end, and is detachably mounted on each of the gantry assemblies, and the first and second gantry bodies forming a pair of gantry assemblies, A first support for horizontally supporting the beam bars constituting the upper beam bar group in parallel with each other under a state in which a pair of mount assemblies are arranged in a straight line at predetermined intervals so as to face each other. Beam support bars and each of the mount assemblies Each of the beam bars constituting the lower beam bar group is detachably mounted and supported in parallel to the upper beam bar group, while the stirrup bars are arranged in the upper beam bar group at predetermined intervals. And a second beam reinforcing bar material that releases the support of the beam reinforcement and contacts each of the beam reinforcements constituting the lower beam reinforcement group with the inner side of the lower side of the stirrup reinforcement. It is characterized by.

  The beam reinforcing bar assembly of the present invention has a stirrup cradle that is attached to the cradle support member of at least a pair of the gantry assemblies and vertically supports the stirrup bar at the inner side of the upper side, The stirrup bar is arranged at predetermined intervals in the upper beam bar group after the stir bar bar is arranged on the stirrup cradle.

  In the beam reinforcing bar assembly of the present invention, each of the columns is formed by a hollow pipe, and an extension column that supports the first beam bar supporting bar is detachably fitted to the upper end of each column. It is characterized by.

  The beam rebar assembly frame of the present invention is characterized in that a hook for supporting the second beam reinforcing bar is attached to each of the columns so that the position of the hook can be adjusted in the vertical direction.

  In the beam rebar assembly frame of the present invention, the legs are fixed legs projecting on both sides of the lower end of the column, and the detachable legs extending in a direction perpendicular to the fixed legs and detachably attached to the fixed legs. And when the column is not used, the detachable leg is folded in a state of being superimposed on the fixed leg.

  According to the present invention, the plurality of beam bars constituting the upper beam bar group are arranged on the first beam bar supporting bar, and the plurality of beam bars constituting the lower beam bar group are arranged on the second beam bar. Since they are arranged on the beam reinforcing bar, it is possible to prepare these bundles in a state where there is no interference between the stirrup and the beam. Under this condition, the stirrup bars are distributed and arranged so as to contact the upper beam bars at the upper side, and the lower beam bars are moved downward to contact the lower side of the stirrup bars. Since it did in this way, a beam reinforcement can be manufactured by assembling a stirrup reinforcement and a beam reinforcement safely in a short time.

  Under the state where a plurality of stirrup bars are suspended from the stirrup cradle, the plurality of beam bars constituting the upper beam bar group are slid on the first beam bar supporting bar, A plurality of beam bars constituting the lower beam group are slid on the beam bar supporting bar No. 2, and the stirrup bars supported by the star wrap cradle are moved to the upper beam bar group at predetermined intervals. If it arrange | positions to, a stirrup line | wire and a beam line can be assembled safely in a short time.

  If the struts are made of hollow pipes, and the extension struts are added to the struts, the total length of the struts can be changed according to the stirrup muscle dimensions. You can assemble multiple types of beam reinforcement. Since the leg part provided in the lower end part of a support | pillar is formed with a fixed leg and a detachable leg, and the detachable leg can be folded on the fixed leg, it is convenient to transport and store the gantry body.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a pair of gantry assemblies constituting a beam rebar assembly gantry according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a gantry body constituting the pair of gantry assemblies. 3 to 7 are front views showing the beam reinforcing bar assembly process using the beam reinforcing bar assembly of the present invention, and FIG. 8 is an enlarged side view in the direction of the arrow 8-8 in FIG. 9 is an enlarged side view in the direction of arrow 9-9 in FIG. 6, and FIG. 10 is an enlarged side view in the direction of arrow 10-10 in FIG.

  As shown in FIGS. 7 and 10, the beam rebar assembly frame is used for assembling the beam rebar 10. The beam reinforcing bar 10 is composed of an upper beam reinforcing bar group 11a composed of a plurality of beam reinforcing bars 11 extending parallel to each other and straight, and a plurality of beam reinforcing bars 12 extending in parallel to each other to form an upper beam reinforcing bar group 11a. The lower beam bars 12a are parallel to each other, and a plurality of quadrangular frame-shaped stirrup bars 13 surround the upper beam bars 11a and the lower beam bars 12a at a predetermined interval. Arranged every time. The stirrup bar 13 and the beam bars 11 and 12 are bound to each other by wires (not shown), and the assembly of the beam bar 10 is completed.

  As shown in FIG. 1, the pair of gantry assemblies 20 includes a first gantry body 21 and a second gantry body 22, and the gantry bodies 21 and 22 have the same structure. Each of the gantry main bodies 21 and 22 has a support column 23 made of a hollow square pipe having a rectangular cross section, and a leg portion 24 is attached to a lower end portion of the support column 23. This part is arranged vertically on the base surface. Note that an engagement hole 23a is formed at the upper end portion of the column 23, and the hook of the elevator is engaged with the engagement hole 23a when the column 23 is suspended by an elevator (not shown).

  A cradle support member 25 made of a square pipe is detachably mounted on the side surface of the upper end portion of the column 23 in parallel with the column 23. As shown in FIG. 2, a U-shaped bracket 26 covering the three surfaces of the column 23 is fixed to the lower end portion of the cradle support member 25, and a U-shaped hook 27 having an upper opening opened to the upper end portion. Is fixed. Through holes 28 are formed on two opposing surfaces of the bracket 26, and a plurality of through holes 29 are formed in the column 23 at predetermined intervals in the longitudinal direction, and any of the bolts 30 that penetrate the through holes 28 is provided. The cradle support member 25 is detachably mounted on the column 23 by passing through the through hole 29 and fixing the bracket 26 to the column 23, and the cradle support is supported by changing the position of the through hole 29 through which the bolt 30 passes. The height of the upper end portion of the member 25 can be changed in a plurality of stages.

  As shown in FIG. 1, a stirrup cradle 31 is detachably attached to the upper end of the cradle support member 25. The stirrup cradle 31 is supported at both ends by a support bar 32 made of a square pipe supported by the hooks 27 of the cradle support member 25, and is fixed to the support bar 32 by both sides in the width direction and clamp members 33. As shown in FIG. 4, the star wrap receiving base 31 vertically supports the stirrup muscle 13 at the inner side of the upper side.

  As shown in FIG. 1, an engagement groove 35 that opens upward is formed at the upper end portion of the column 23. The engagement groove 35 has a first beam reinforcing bar made of a round bar. 36 is detachably mounted. A pair of gantry assemblies 20 are formed by arranging the first gantry main body 21 and the second gantry main body 22 in pairs as shown in FIG. 1, and the first gantry assembly 20 is mounted on the gantry assembly 20. As shown in FIG. 5, the beam bars 11 constituting the upper beam bar group 11a are horizontally supported on the beam support bar 36 in parallel with each other.

  A U-shaped bracket 37 that covers the three surfaces of the column 23 is mounted, and a hook 38 is attached to the bracket 37. As shown in FIG. 2, through-holes 39 are formed in two mutually opposing surfaces of the bracket 37, and eyebolts 40 are inserted through the through-holes 39. Therefore, when the bracket 37 is attached to the support 23 and the eyebolt 40 is tightened, the bracket 37 is fastened to the support 23 by the tightening force applied to the bracket 37 from the eyebolt 40 to the support 23. When the eyebolt 40 is loosened, the position of the bracket 37 can be adjusted in the vertical and vertical directions. Thus, by fastening the bracket 37 with the eyebolt 40, the eyebolt 40 can be fastened and released using a bar-like member without using a spanner at the assembly site of the beam reinforcement. Note that the cradle support member 25 may also be attached to the column 23 by increasing the lengths of the two opposing surfaces of the bracket 26 and tightening the bolts. The cradle support member 25 can be adjusted to an arbitrary height position instead of stepwise.

  A second beam reinforcing bar 41 made of a round bar is detachably mounted on the hook 38 attached to the bracket 37 as shown in FIG. As shown in FIG. 5, the beam bars 12 constituting the lower beam bar group 12 a are parallel to each other on the second beam bar supporting bar 41 attached to the pair of gantry assemblies 20. Becomes horizontally supported. Therefore, when the bracket 37 is shifted and moved downward with the respective beam bars 12 constituting the lower beam bar group 12a being supported, the beam bars 12 are shifted downward. That is, after the stirrup bars 13 supported by the stirrup cradle 31 are arranged on the upper beam bars 11a at predetermined intervals as shown in FIGS. 6 and 9, the lower beam bars 12a are 7 and 10, the second beam reinforcing bar 41 is moved downward by a bracket 37 under the state in which the respective beam reinforcing bars 12 are supported by the second beam reinforcing bar 41. When the support of the beam 12 is released by shifting the beam 12, each beam 12 constituting the lower beam bar group 12 a comes into contact with the inner side of the lower side of the stirrup bar 13. In order to release the support of the beam bar 12 by the second beam bar support bar 41, the bracket 37 may be shifted downward, or the second beam bar bar 41 may be removed.

  In this way, the beam reinforcement 11 of the upper beam reinforcement group 11a contacts the inner side of the upper side of the stirrup reinforcement 13, and the beam reinforcement 12 of the lower beam reinforcement group 12a contacts the inner side of the lower side piece of the stirrup reinforcement 13. Will come into contact. Under this state, when the stirrup bars 13 and the beam bars 11 and 12 are bound together by wires, the assembly of the beam reinforcing bars is completed.

  As shown in FIGS. 1 and 2, the leg portion 24 fixed to the lower end portion of the support column 23 includes two fixed legs 42 fixed to the lower surface of the support column 23 and projecting on both sides in a direction perpendicular to the support column 23. Have. As shown in FIG. 2, the respective fixed legs 42 are connected to each other through a gap 44 by a connecting plate 43, and the mounting member 45 fixed to the column 23 is screwed to the fixed leg 42 with a bolt 46. Thus, the fixed leg 42 is attached to the column 23. An attachment / detachment leg 47 is assembled in the gap 44 in a direction perpendicular to the fixed leg 42. As shown in FIG. 2, the detachable leg 47 passes through a through hole 48 formed at the center in the longitudinal direction, and is detachable by a bolt 49 that is screwed to a nut (not shown) provided at the lower end of the column 23. It can be attached to the column 23.

  Therefore, as shown by a two-dot chain line in FIG. 2, the detachable leg 47 can be folded so as to overlap the fixed leg 42. When the detachable legs 47 are fastened to the fixed legs 42 with the bolts 49 in the folded state, the occupied area can be reduced when the gantry main bodies 21 and 22 are transported or stored, that is, when not used. In addition, since the cradle support member 25 and the bracket 37 are detachable from the support column 23, by removing them from the support column 23, the occupied area during transportation and storage of the gantry main bodies 21 and 22 can be reduced. Can do. An eye bolt may be used instead of the bolt 49.

  As shown in FIG. 2, an extension column 51 is detachably attached to the upper end portion of the column 23. The extension column 51 has a protruding portion 51a made of a square pipe of the same size as the column 23, and a fitting portion 51b that is attached to the lower end portion of the extension column 51 and is fitted inside the column 23, and is fitted. A plurality of through holes 52 are formed in the portion 51b. Therefore, by extending a bolt (not shown) through one of the through holes 29 and the through hole 52 of the column 23, the extension column 51 can be projected and attached to the upper side of the column 23, and a plurality of protruding lengths can be provided. Can be set in stages.

  An engaging groove 35 is formed at the upper end portion of the extension column 51 in the same manner as the upper end portion of the column 23, and the first beam reinforcing bar 36 can be disposed in the engaging groove 35. It has become. Therefore, by attaching the extension column 51 to the column 23, the height of the first beam reinforcing bar 36 can be set in a plurality of stages. In addition, although the support | pillar 23 and the extension support | pillar 51 are formed with the square pipe, you may make it use a round pipe. The first and second beam reinforcing bar members 36 and 41 are formed by round pipes, but may be square pipes.

  Next, the beam reinforcing bar assembly process using the beam reinforcing bar assembly will be described. As shown in FIG. 1, each gantry assembly 20 is formed by arranging two gantry main bodies 21 and 22 at an interval, and both ends are engaged with an engagement groove 35 to form a first beam bar. The support bar 36 is attached to each gantry assembly 20, and the second beam reinforcing bar 41 is attached to each gantry assembly 20 by engaging both ends of the hooks 38. As shown in FIG. 3, the plurality of pairs of gantry assemblies 20 formed in pairs by the two gantry main bodies 21 and 22 as described above are the lengths of the beam bars 11 and 12 forming the beam rebar 10. Are arranged in a straight line with a predetermined interval. In the case shown in FIG. 3, five pairs of gantry assemblies 20 are arranged on the base so as to correspond to the lengths of the beam bars 11 and 12, and a total of two pairs of pedestals are separated by the pair of gantry assemblies 20. The wrapping base 31 is mounted on the cradle support member 25 of the assembly 20 with both ends engaged with the hooks 27. The number of gantry assemblies 20 used for assembling the beam reinforcing bars 10 can be arbitrarily set according to the length of the beam reinforcing bars 11 and 12.

  Under a state where a predetermined number of the gantry assemblies 20 are arranged, a plurality of frame-shaped, that is, loop-shaped stirrup muscles 13 are suspended from the support bar material 34 of the stirrup cradle 31 as shown in FIG. . Accordingly, the plurality of stirrup muscles 13 are vertically supported by the stirrup cradle 31 at the inner side of the upper side. However, the star wrap pedestals 31 may be mounted on all the gantry assemblies 20 and the stirrup muscles 13 may be suspended from the respective star wrap pedestals 31.

  As shown in FIGS. 5 and 8, the stirrup bar 13 is supported by the support bar 32 of the stirrup cradle 31 on the inner side of the upper side as shown in FIGS. A plurality of beam bars 11 are placed on the support bar 36. As a result, all the beam bars 11 constituting the upper beam bar group 11a penetrate through the inside without interfering with the stirrup bars 13 and are supported horizontally on the first beam bar supporting rod 36. Is done. Similarly, a plurality of beam bars 12 are placed on the second beam bar support bar 41. As a result, all the beam bars 12 constituting the lower beam bar group 12 a penetrate the inside without interfering with the stirrup bars 13 and become horizontal on the second beam bar supporting bar 41. As shown in FIG. 8, the lower beam bar group 12a and the upper beam bar group 11a are parallel to each other.

  In this state, as shown in FIGS. 6 and 9, the stirrup bars 13 are removed from the stirrup cradle 31 and arranged in the upper beam bars 11a at predetermined intervals. This removal operation and placement operation can be easily performed without the Stirrup muscle 13 interfering with the beam reinforcements 11 and 12, and as shown in FIGS. 6 and 9, the beam reinforcement constituting the upper beam reinforcement group 11a. 11 is in contact with the upper side of the stirrup muscle 13.

  Next, the eyebolts 40 that fasten the brackets 37 in the respective gantry assemblies 20 are loosened, the brackets 37 are moved downward, and the support of the beam bars 12 is released by the second beam bar support bars 41. Thereby, the second beam reinforcing bar 41 is shifted downward and the beam 12 constituting the lower beam bar group 12 a comes into contact with the inner side of the lower side of the stirrup bar 13. However, the support of the beam bar 12 may be released by extracting the second beam bar support bar 41 without moving the bracket 37 downward. 7 and 10 show a state in which the beam bars 12 of the lower beam bar group 12a are in contact with the stirrup bars 13 in this way.

  The stirrup bar 13 and the beam bars 11, 12 are not shown in the figure, with the beam bar 11 of the upper beam bar group 11 a and the beam bar 12 of the lower beam bar group 12 a in contact with the stirrup bar 13, respectively. Thus, the beam rebar 10 is assembled. After the assembly is completed, the beam rebar 10 is transported into the formwork by the crane after being removed from the gantry assembly 20 while being slightly lifted upward by a crane (not shown) and embedded in the concrete. The beam production is completed.

  As described above, the plurality of stirrup bars 13 are arranged on the first beam so as to enter the inside of the stirrup streaks 13 under the state where the plurality of stirrup bars 13 are collected and suspended on the stirrup cradle 31. Since the plurality of beam bars 12 are arranged on the second beam bar supporting bar 41, the stirrup bars 13 and the beam bars 11, 12 are arranged on the bar support bar 36. The stirrup bar 13 and the beam bars 11 and 12 can be easily set without causing interference. Under this state, the stirrup bars 13 are first distributed and arranged so that the upper beam bars 11a are in contact with the inner side of the upper side, and then the second beam bars 12a of the lower beam bars 12a are used. By releasing the support, the lower beam bar group 12 a can be arranged on the lower side inside the stirrup bar 13.

  FIG. 11 and FIG. 12 are side views showing a beam rebar assembly frame according to another embodiment of the present invention. In these drawings, members common to the beam rebar assembly frame described above are denoted by the same reference numerals. Has been.

  FIG. 11 shows a beam reinforcing bar 10 of a type in which a large stirrup bar 13a having a long width dimension and a small stirrup bar 13b having a shorter width dimension are mixed and attached to the beam bars 11 and 12. The assembled state is shown. As described above, the beam reinforcing bar assembly base can be used also when assembling the beam reinforcing bar 10 using the plurality of stirrup bars 13a and 13b which are integral types and have different sizes.

  FIG. 12 shows a state in which the beam reinforcing bar 10 using the divided stirrup bar 13c is assembled. The stirrup line 13c is formed in a quadrilateral shape as a whole by a substantially U-shaped main body part 14 whose upper end is opened and a width stop line 15 arranged on the opening side of the main body part 14. Yes. The hook portion 16 is formed on the opening side of the main body portion 14 of the stirrup muscle 13c, and the main body portion 14 is suspended from the receiving bar member 34 of the star wrap receiving base 31 at the portion of the hook portion 16, and the main body portion. 14 may be attached to the upper beam bar group 11a after being hooked on the beam bar 11 located outside the upper beam bar group 11a. You may make it attach the main-body part 14 to the beam reinforcement 11 in the state which supported the beam reinforcement 11 on the 1st beam reinforcement support bar 36, without using the lap | wrap receiving stand 31. FIG.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, in the illustrated beam reinforcing bar 10, an upper beam reinforcing bar group 11 a and a lower beam reinforcing bar group 12 a are incorporated in a stirrup reinforcing bar 13. One row or a plurality of rows may be provided. In this case, the beam bars in the middle beam group are connected to the upper beam bars by the S-shaped hooks.

It is a perspective view which shows a pair of mount assembly which comprises the beam reinforcement assembly mount which is one embodiment of this invention. It is a disassembled perspective view which shows the mount frame main body which comprises a pair of mount assembly. It is a front view which shows the assembly process of the beam reinforcement using the beam reinforcement assembly stand of this invention. It is a front view which shows the assembly process of the beam reinforcement using the beam reinforcement assembly stand of this invention. It is a front view which shows the assembly process of the beam reinforcement using the beam reinforcement assembly stand of this invention. It is a front view which shows the assembly process of the beam reinforcement using the beam reinforcement assembly stand of this invention. It is a front view which shows the assembly process of the beam reinforcement using the beam reinforcement assembly stand of this invention. It is an enlarged side view of the arrow 8-8 line direction in FIG. It is an enlarged side view of the arrow 9-9 line direction in FIG. It is an expanded side view of the arrow 10-10 line direction in FIG. It is a side view which shows the beam reinforcement assembly stand which is other embodiment of this invention. It is a side view which shows the beam reinforcement assembly stand which is other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Beam reinforcement 11 Beam reinforcement 11a Upper beam reinforcement group 12 Beam reinforcement 12a Lower beam reinforcement group 13 Stirrup reinforcement 13a-13c Stirrup reinforcement 20 Mounting assembly 21, 22, Mounting frame main body 23 Post 24 Leg 25 Receptacle support member 26 Bracket 27 Hook 31 Stirrup base 32 Support bar 34 Support bar 35 Engaging groove 36 First beam bar support bar 37 Bracket 38 Hook 41 Second beam bar support bar 42 Fixed leg 43 Connecting plate 47 Attaching / detaching Leg 51 Extension post

Claims (5)

An upper beam bar group composed of a plurality of beam bars extending in parallel to each other, and a lower beam bar group composed of a plurality of beam bars extending in parallel to each other and arranged in parallel with the upper beam bar group; A beam reinforcing bar assembly frame for assembling a beam reinforcing bar having a plurality of frame-shaped stirrup bars bound to the beam reinforcing bars,
A first and second gantry main body each having a column having a leg attached to the lower end and a support supporting member attached to the upper end to form a pair of gantry assemblies;
Each of the upper beam bars is configured to be detachably mounted on each of the gantry assemblies, and the plurality of pairs of gantry assemblies are arranged in a straight line at predetermined intervals so as to face each other. A first beam reinforcing bar that horizontally supports the beam reinforcing bars in parallel with each other;
Removably attached to each of the gantry assemblies, and each of the beam bars constituting the lower beam bar group is supported in parallel to the upper beam bar group, while the stirrup bar is the upper beam bar group The second beam bars are arranged at predetermined intervals to release the support of the beam bars and bring the beam bars constituting the lower beam bar group into contact with the inner side of the lower side of the stirrup bars. A beam rebar assembly frame comprising a support bar.   2. The beam reinforcing bar assembly according to claim 1, further comprising: a stirrup cradle that is attached to the cradle support member of at least a pair of the gantry assemblies and vertically supports the stirrup bar at the inner side of the upper side. A beam rebar assembly gantry, wherein the stirrup bars are arranged at predetermined intervals in the upper beam bars after the stirrup bars are arranged on the stirrup cradle.   3. The beam rebar assembly frame according to claim 1 or 2, wherein each of the columns is formed by a hollow pipe, and an extension column for supporting the first beam bar support bar is detachably attached to an upper end portion of each column. Beam rebar assembly stand characterized by fitting.   The beam reinforcing bar assembly frame according to any one of claims 1 to 3, wherein a hook for supporting the second beam reinforcing bar is attached to each of the support columns in a vertically adjustable manner. Beam rebar assembly frame.   5. The beam reinforcing bar assembly according to claim 1, wherein the leg portion protrudes on both sides of a lower end portion of a column, and the fixed leg extends in a direction perpendicular to the fixed leg. A beam rebar assembly frame comprising: a detachable leg that is detachably attached to the support bar; and the detachable leg is folded in a state of being superimposed on the fixed leg when the column is not used.

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