JPH0713404B2 - Assembly device for columnar rebar assembly - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling apparatus for assembling a columnar reinforcing bar assembly which is a skeleton of a prestressed concrete column used for constructing a structure such as a building or a bridge.

[0002]

2. Description of the Related Art In recent years, in the construction of structures such as buildings and bridges, standardized members are manufactured in factories, and existing members are assembled on the site to minimize the work on site. For this reason, prestressed concrete columns (columns having a structure in which concrete is preliminarily applied with a compressive stress to reinforce the concrete with a PC steel wire) have been manufactured in the factory for construction.

For this prestressed concrete column, a reinforcing bar assembly is used in which a long linear main bar and a substantially band-shaped band bar are bound in a cross shape using a binding line, and are assembled in a columnar shape as a whole. Conventionally, no apparatus has been provided for assembling the columnar rebar assembly.

[0004]

For this reason, only a male worker can carry the work of transporting a long and heavy main bar,
Moreover, it is a heavy labor burden. In addition, it is necessary to open the corners of the band muscles and pass the main muscles inside the band muscles, but this work is extremely troublesome, and since there are many band muscles, it takes a long time, It was impossible to increase productivity. Further, when assembling the main bar and the band bar, it is necessary to have at least two workers, a worker supporting the reinforcing bar and a worker binding the reinforcing bar, and it is impossible to improve the productivity in terms of personnel.

Furthermore, since the intervals between the band reinforcements arranged in the longitudinal direction of the main reinforcement are set according to the operator's scale, there is a problem that the pitch is likely to be uneven.

The present invention has been made in view of the above-mentioned problems of the prior art, and a columnar reinforcing bar assembly capable of completely eliminating the work of passing the main bar through the band, the transfer of the main bar, and the support of the band. It is an object of the present invention to provide an assembling device of the above.

[0007]

Means for Solving the Problems The means of the present invention configured to solve the above-mentioned problems is a pair of rails arranged in parallel and a predetermined depth formed downward from the upper end of each rail. A plurality of band streak fitting grooves arranged at predetermined intervals in the longitudinal direction of each rail, and outside the rail on one side of the pair of rails and on the rail on the one side. A band reinforcement supporting member which is positioned above and parallel to the rail, and a plurality of bands which are arranged at predetermined intervals in the band reinforcement supporting member corresponding to respective positions of the plurality of band reinforcement fitting grooves. It comprises a band reinforcement supporting means including a muscle engaging portion, and a main reinforcement carrier vehicle having a main reinforcement placement portion and capable of traveling on and off the pair of rails.

[0008]

A plurality of band reinforcements are vertically supported at predetermined intervals by the band reinforcement fitting groove and the band reinforcement engagement portion of the band reinforcement support member which are separated from each other by a pair of rails. The main reinforcement carrier with the main reinforcements travels on the rails and enters into the row of band reinforcements up to the position to be assembled.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. In the figure, reference numerals 1, 1, ... Represent long linear reinforcements 2, 2 ,. The main muscles 1 are assembled to each other by binding with a binding line (not shown) at a portion intersecting with the main muscle 1 in an orthogonal state.

Numerals 3 and 3 indicate a pair of rails arranged in parallel on a floor A in a factory with a predetermined distance therebetween. 4, 4,
... are a plurality of band reinforcement fitting grooves arranged at predetermined intervals from the middle of the rails 3 and 3 in the longitudinal direction to the tip side, and at left and right symmetrical positions. Is the groove width where the band reinforcement 2 can be loosely fitted, and the diameter of the band reinforcement 2 is 1,5
It is formed with a groove depth of 3 to 3 times, and is formed in a notch shape downward from the upper end 3A of the rail 3.

Reference numeral 5 designates a band reinforcing member supporting means for supporting one side portion of the band reinforcing member 2 whose lower side is fitted in the left and right band reinforcing member fitting grooves 4 and 4, respectively. Is three pillars 6, 6, 6 located outside the rail 3 on one side and spaced parallel to the rail 3, and horizontally between the pillars 6, 6, 6 above the rail 3. Lateral substrate 7 installed in the direction
, And band reinforcement engaging grooves 8, 8 formed in the lateral base material 7 at predetermined intervals corresponding to respective positions of the band reinforcement fitting grooves 4, 4 ,. There is.

Next, reference numeral 9 denotes a main carrier vehicle which can travel on the rails 3 and 3 so as to move forward and backward. Reference numeral 10 denotes a trolley that constitutes the main-strip transport vehicle. The trolley 10 has a frame 11 formed in a rectangular shape in the traveling direction, and left and right fixed to the lower side of the frame 11 located at both longitudinal ends of the frame 11. Each pair of bearings 12, 12 and 13, 13 and each pair of bearings 12,
12 and 13 and the rotating shafts 14 and 15 provided between the rotating shafts 14 and 15, and a pair of left and right wheels 16 and 16 fixed to the shaft ends of the rotating shafts 14 and 15 and rolling on the rails 3 and 3. .. and a support plate 17 fixed to the upper portion of the rear end side (left end side in FIG. 2) of the frame 11.

Reference numeral 18 denotes a traveling device for moving the bogie 10 forward and backward, and the traveling device 18 is the supporting plate 1
Drive motor 19 mounted on 7, a small-diameter sprocket 20 attached to the output shaft of the drive motor 19, a large-diameter sprocket 21 fitted to one rotating shaft 15, and the small-diameter and large-diameter sprocket 20, 21. Drive chain 2 wound between
2 and a reel 24 for winding and unwinding the power cable 23 for feeding the drive motor 19 in accordance with the movement of the carriage 10.
And start and stop of the drive motor 19, switching between forward and reverse rotation,
It is composed of a control box 25 for performing speed control.

Further, reference numeral 26 denotes a main bar mounting portion, and the main bar mounting portion 26 is composed of three main bar supporting members 27, 27, 27 standing upright near the front end, the middle and the rear end of the frame 11. is there. Here, each main bar support 27 is a pair of vertical columns 27A and 27A standing on both ends in the width direction of the frame 11, and a horizontal column 27B installed on the upper ends of the vertical columns 27A and 27A.
And the vertical columns 27B toward both sides in the width direction of the frame 11.
A plurality of main bar retaining members 27C, 27C, ...
Main bar stopper member 27 protruding from the upper end of each vertical column 27B
And D.

The apparatus of this embodiment has the above-mentioned structure, and its operation will be described below. Prior to the start of the assembly work, the main reinforcement carrier 9 is located on the rear side of the rails 3 and 3 where the band reinforcement fitting groove 4 is not formed, and at this position, the main reinforcement 1,
1 are horizontally mounted horizontally on the main bar retaining members 27C, 27C, ... at the respective stages of the three main bar supports 27, 27, 27. Further, the required number of main bars 1, 1, ... Are placed on the horizontal columns 27B of the main bar support 27.

On the other hand, the band streak 2, which has been bent beforehand,
, 2 are engaged with the band reinforcing groove 4 and the band reinforcing engaging groove 8 at a position corresponding thereto, and a predetermined number of band reinforcing members are provided on the pair of rails 3 and 3 as shown in FIG. Set up 2, 2, ...

Thereafter, the traveling device 18 is operated to move the main-strip carrier 9 forward, and the band-strips 2, 2, ...
・ Intrude to the specified position inside. At this stop position, there is provided a stop switch that is activated by the contact of the main carrier carrying vehicle 9. As a result, the main lines 1, 1, ...
, And the band muscles 2, 2, ... Are arranged so as to intersect each other in a substantially orthogonal direction.

From this state, the respective main reinforcements 1 are sequentially taken out from the main reinforcement placement portion 26 and assembled to the band reinforcements 2, 2, ... Using a binding wire (not shown). In this way, each main muscle 1
When the assembly of each band muscle 2 is completed, the band muscle 2,
The rest of the main bars 1, 2, ...
After lowering from the main reinforcement carrier 9 onto the band reinforcements 2, 2, ..., The traveling device 18 is operated to retract the main reinforcement carrier 9 to the outside of the band reinforcement 2 located at the rearmost end.

As described above, the band lines 2, 2, ...
· By assembling the remaining main bars 1, 1, ..., which have been lowered onto the respective band bars 2, and by assembling the rebars (not shown) at both ends constituting the columnar bar assembly, Assembly of the solid is completed.

The apparatus of this embodiment is as described above, and a plurality of main bar retaining portions 27 are attached to each vertical column 27B of the main bar mounting portion 26.
C, 27C, ... are provided in a multi-stage form and main bars 1, 1, ...
Since it is configured to support, it is possible to minimize the amount of movement of the main reinforcement 1 when assembling each main reinforcement 1 to the side of the band reinforcements 2, 2, ... ing. In addition, the main bars 1, 1, ... On the horizontal columns 27B of the main bar mounting portion 26.
.. can be placed, so that the amount of movement of the main bars 1 when assembling each main bar 1 on the upper side of the band bars 2, 2, ...

Although this embodiment is as described above, a plurality of types of columnar reinforcing bar assemblies having different intervals between the band reinforcements 2 are formed by forming band reinforcement fitting grooves of a plurality of types of pitches on the rails 3, 3. Can be assembled with one assembly device.

[0022]

Since the present invention is constructed as described above in detail, it has the following effects. The band reinforcement can be supported by the band reinforcement fitting groove and the band reinforcement engaging part at a precise predetermined interval and can be assembled with the main reinforcement, so that the dimensional unevenness of the prior art can be completely eliminated. It is possible to manufacture a high-quality columnar rebar assembly having improved strength. Since it was configured to let the main carrier transport vehicle intrude while arranging many band reinforcements, it is possible to completely eliminate the work of passing each of the many band reinforcements into the main reinforcement as in the prior art, and the work time is reduced. It can be greatly shortened. Conventionally, the main bar was relied on by a worker to carry the main bar, and the band bar was supported by rails and band bar supporting means. The operator can be substantially freed from the supporting work. For the same reason as above, at least two workers can be required to be one worker in the past, and the working time can be shortened to about 1/6 as compared with the conventional one.

[Brief description of drawings]

FIG. 1 is a front view of an assembly device according to an embodiment of the present invention.

FIG. 2 is an external perspective view showing the overall configuration of the assembling apparatus according to the embodiment.

FIG. 3 is a schematic perspective view showing the operation of the assembling apparatus according to the embodiment.

[Explanation of symbols]

 1 main bar 2 band bar 3 rail 4 band bar fitting groove 5 band bar support means 7 band bar support 8 band bar engaging part 9 bar bar carrier 26 bar bar mounting part

Claims (1)

[Claims] 1. A pair of rails arranged in parallel and a groove of a predetermined depth formed downward from the upper end of each rail, and a plurality of rails arranged at predetermined intervals in the longitudinal direction of each rail. A band reinforcing member and a plurality of band reinforcing members arranged outside the one side rail of the pair of rails and above the one side rail and in parallel with the rail. A band reinforcement supporting means composed of a plurality of band reinforcement engaging parts arranged at predetermined intervals in the band reinforcement support member corresponding to respective positions of the band reinforcement fitting groove, and a main reinforcement placing part, An apparatus for assembling a pillar-shaped reinforcing bar assembly, which comprises a main-bar transporting vehicle that can travel back and forth on a pair of rails.