JP3634924B2 - Method for assembling concrete pole ring reinforcement and apparatus, jig and metal fitting used therefor - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method of assembling a ring bar, a ring bar assembling device, a ring bar placing device, a spacer receiving device, and a ring bar in the assembly of a ring bar of a concrete pole in which a vertical bar is laterally restrained by a ring bar. The present invention relates to a connection fitting and a ring reinforcing jig.
[0002]
[Prior art]
In order to obtain long concrete products such as concrete poles and piles that have high strength that will not be destroyed by large earthquakes or long concrete products that have high strength even with small diameters, ring bars are adopted as lateral restraint bars for the vertical bars. It is being done.
[0003]
FIG. 9 is a schematic diagram of a reinforcing bar of a concrete pole using ring bars. Since the upper part and the lower part of the pole are less affected by the load, the spiral bars are wound around the outer circumferences of the vertical bars and the auxiliary vertical bars. In order to increase the strength by laterally constraining the portion with a large bending moment with a ring reinforcement, a double ring reinforcement is used for the ring reinforcement of the first block, and a circular ring reinforcement is used for the ring reinforcement of the second and third blocks. Assembling. The required strength is ensured by changing the strength, number, cross-sectional shape, etc. of the ring streaks according to the magnitude of the bending moment.
[0004]
By the way, since the concrete pole which restrains a vertical reinforcing bar laterally with a ring reinforcement came to be manufactured recently, the assembly work of a ring reinforcement is currently performed manually.
[0005]
Assembling the ring bars manually, collect the required number (usually more than ten) of ring bars for each block where the ring bars are placed on the concrete pole, and fix the outer circumference of the ring bar assembly to the fixture. Then, the ring bars are fixed with pinching bolts, and a set of ring bars is arranged at a predetermined block position of the vertical bars. Next, after passing all the vertical reinforcing bars through the spacers that position and hold the vertical reinforcing bars arranged at predetermined intervals inside the ring reinforcing bars, the fixing jig is removed, and the ring reinforcing bars are removed from the ring reinforcing bars. They are separated one by one and are held in the grooves of the interval aligning jig and arranged at predetermined positions. When the arrangement is completed, the vertical reinforcing bar and the ring reinforcing bar are bound with the extra fine iron wire to fix the vertical reinforcing bar and the ring reinforcing bar, and the interval aligning jig is removed to finish the assembly of the ring reinforcing bar.
[0006]
[Problems to be solved by the invention]
As is apparent from the conventional ring muscle assembling work is manual work, it takes time for the positioning and positioning of the ring muscle and the fixing work of the ring muscle, and because it is by manual work, there is a disadvantage that the accuracy of the ring muscle spacing varies. . Also, in the case of tapered concrete poles, when the longitudinal bars are passed through the inside of the aggregate of ring bars and the spacer, the ring bars are gathered and tapered to pass the longitudinal bars in a taper shape in the axial direction. Friction between the ring bars having a small diameter of the aggregate and the vertical bars increases, and the vertical bars are difficult to pass.
[0007]
Therefore, the present invention automates the positioning and arrangement of the ring bars of the concrete pole, fixes the ring bars without binding, shortens the work time, and improves the accuracy of the ring bars spacing accuracy. The present invention provides a method and an apparatus, jig and metal fitting used therefor.
[0008]
[Means for Solving the Problems]
The present invention holds a ring line on a ring line holding body of a ring line arrangement device, holds a spacer on a spacer base of a spacer receiving device, passes a vertical reinforcing bar inside the spacer and the ring line, The ring body of the concrete pole is assembled by expanding the holding body and positioning the ring bars at predetermined intervals, and holding the positioned ring bars with the clip of the ring bar connecting bracket.
[0009]
A concrete pole ring rebar assembly device includes a ring rebar placement device and a plurality of spacer receiving devices, and the ring rebar placement device includes a predetermined number of ring rebar holders, and each ring rebar holder is a connecting ring. Connected to each other, the ends of the piston rods of the pair of air cylinders are fixed to the ring bar holders at both ends, respectively, and the ring bar holders move at predetermined intervals by driving the air cylinder.
[0010]
The spacer receiving device includes a vertically movable spacer receiving base on which a plurality of rollers supporting the spacer are arranged.
[0011]
The ring bar connecting metal fitting is made of a metal band on which a predetermined number of clips sandwiching the ring bar are formed.
[0012]
In the ring bar assembly jig, positioning plates with positioning notches that contact the semicircular portion of the ring bar are supported by support plates at both ends, and a predetermined number of positioned ring bars are held on the upper part of the support plate. A hole is formed through which a holding rod is inserted.
[0013]
The present invention can be used not only for assembling the ring bars of concrete poles but also for assembling ring bars of long concrete products such as piles using ring bars.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an overall view of an embodiment of a concrete pole ring rebar assembling apparatus according to the present invention. In the ring rebar assembling apparatus, a plurality of ring rebar arranging devices 1 and a plurality of spacer receiving devices 2 are alternately arranged at predetermined positions. Helical rebar coil moving devices 3 are arranged at both ends.
[0015]
FIG. 2 is a front view of the ring streak arrangement device, the right half shows a state in which the ring streak holding body is expanded, the left half shows a state in which the ring streak holding body is closed, and FIG. 3 is a schematic view of the ring streak holding body. The ring streak arrangement device 1 is provided on the lifter 4 and can be moved up and down. The ring streak arrangement device 1 includes a predetermined number of ring streak holders 5.
[0016]
Each ring streak holding body 5 is formed with a semicircular arc-shaped groove 6 for fitting and holding the ring streak, and is supported by the upper and lower four corner rods 7 so as to be slidable in the axial direction. In order to prevent the rod 7 from being bent due to the weight of the ring streak holding body 5 and the ring streak supported by the ring streak holding body 5, a leg 8 with a wheel is provided below the ring streak holding body 5 to support the ring streak holding body 5. Also good.
[0017]
Each ring line holding body 5 is connected to the adjacent ring line holding body 5 by an elliptical connecting ring 9.
[0018]
A pair of cylinders 10a and 10b is provided at the center of the outer side of each ring streak holding body 5 as a means for positioning the ring streaks at predetermined intervals by moving each ring streak holding body 5 and operating directions of the piston rods 11a and 11b. Are fixed so that the piston rods 11a and 11b are in opposite directions, and the tip ends 11c and 11d of the piston rods 11a and 11b are fixed to the ring bar holders 5a and 5b at both ends, respectively. The muscle holding body 5 is moved so that the left half ring muscle holding body shown in FIG. 2 is closed and the right half ring muscle holding body is expanded so that each ring muscle holding body 5 is set at a predetermined interval. spread.
[0019]
In addition, you may implement by a well-known moving mechanism other than a cylinder as a means to move each ring streak holding body 5,5a, 5b and to position a ring streak at predetermined intervals.
[0020]
FIG. 4 is a schematic diagram of the spacer receiving device. Since the spacer receiving device 2 supports the spacer S at three points, the spacer receiving device 12 including the three rollers 12a, 12b, and 12c and the spacer receiving device 12 are provided. Each roller 12a, 12b, 12c is formed with a groove having a shape that matches the outer shape of the cross section of the spacer S.
[0021]
FIG. 5 is a perspective view of a ring bar connecting metal fitting. The ring bar connecting metal fitting 14 is a metal band 14a formed by sheet-metal processing to form a clip 15 sandwiching the ring bar, and the clip 15 is simply pressed against the ring bar. The diverging guide pieces 16a and 16b are formed so that the streaks can be pinched.
[0022]
6 is a perspective view of the ring muscle assembly jig as viewed from above, and FIG. 7 is a perspective view of the ring muscle assembly jig as viewed from below, in order to set the ring muscle on the ring muscle holder of the ring muscle assembly device. In order to position the ring line at three points, the ring bar assembly jig 17 is supported by the support plates 19a and 19b at the opposite ends of the three positioning plates 18a, 18b, and 18c that are in contact with the semicircular portion of the ring bar. The positioning plates 18a, 18b, 18c are formed with positioning cutouts 20a, 20b, 20c in accordance with the pitch of the ring bar holding body 5, and the positioned ring bars are formed above the support plates 19a, 19b. Holes 22a and 22b are formed through which holding rods 21 are held.
[0023]
Next, assembly of the ring line will be described.
[0024]
FIG. 8 is an explanatory view of a process of assembling the ring reinforcement R by the ring reinforcement assembly apparatus of the present invention. A predetermined ring reinforcement R is notched 20a, 20b for positioning the positioning plates 18a, 18b, 18c of the ring reinforcement assembly jig 17. , 20c, the assembly of the ring streaks R is held through the holding rod 21 in the holes 22a, 22b of the support plates 19a, 19b.
[0025]
When the ring muscle assembly jig 17 holding the assembly of ring muscles R is placed on the ring muscle holder 5 of the ring muscle placement device 1, each ring muscle R fits into the ring muscle holder 5 groove and the ring muscle assembly healing is performed. When the holding bar 21 is pulled out from the tool 17 and the ring bar assembly jig 17 is lifted, the ring bar R is held by the ring bar holding body 5.
[0026]
A spacer is set on the spacer holder 12 of the spacer receiver 2.
[0027]
The vertical rebar is passed through the spacer S and the inside of the ring rebar. When the cylinders 10a and 10b are operated to move the piston rod, the ring streak holding body 5 connected by the connecting ring 9 spreads left and right, and the ring streak is positioned at a predetermined interval.
[0028]
The positioned ring line is clamped and connected by the clip 15 of the ring line connection fitting 14. The number of connecting points is preferably three in terms of equiangular cross section.
[0029]
After the ring streak arrangement device 1 is lowered by the lifter 4, the spiral streak is moved to both ends and wound.
[0030]
【The invention's effect】
(1) Since the friction between the vertical reinforcing bar, the ring reinforcing bar, and the spacer is reduced, the vertical reinforcing bar can be easily passed.
[0031]
(2) Since the interval aligning jig and the manual operation are eliminated in the predetermined interval arrangement of the ring lines, the working time is shortened and the ring line interval accuracy is improved.
[0032]
(3) By using the one-touch type ring bar connecting bracket, the bundling work is eliminated, so the work time is shortened and the ring bar layout interval is determined by the clip interval of the connecting bar. Will improve.
[0033]
(4) Since a rotation function is added to the spacer receiving portion, the entire rebar rod rotates smoothly, and other operations are facilitated.
[Brief description of the drawings]
FIG. 1 is an overall view of an embodiment of a ring muscle assembling apparatus of the present invention.
FIG. 2 is a front view of the ring muscle assembling apparatus, in which the right half is a state in which the ring muscle holder is expanded, and the left half is a front view showing a state in which the ring muscle holder is closed.
FIG. 3 is a schematic view of a ring muscle holder.
FIG. 4 is a schematic view of a spacer receiving device.
FIG. 5 is a perspective view of a ring bar connecting metal fitting.
FIG. 6 is a perspective view as seen from above the ring reinforcing jig.
FIG. 7 is a perspective view as seen from below the ring bar assembly jig.
FIG. 8 is an explanatory diagram of an assembly process of ring bars by the apparatus of the present invention.
FIG. 9 is a schematic view of a concrete pole rebar using ring bars.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ring reinforcement arrangement | positioning apparatus 2 Spacer receiving apparatus 3 Spiral rebar coil moving apparatus 4 Lifter 5, 5a, 5b Ring reinforcement holding body 6 Groove 7 Rod 8 Wheeled leg 9 Connecting ring 10a, 10b Air cylinder 11a, 11b Piston rod 11c, 11d Rod end 12 Spacer cradle 12a, 12b, 12c Roller 13 Cylinder 14 Ring bar connecting bracket 14a Metal band 15 Clip 16 Guide piece 17 Ring bar assembly jigs 18a, 18b, 18c Positioning plates 19a, 19b Support plates 20a, 20b, 20c Positioning cutout 21 Holding rod 22a, 22b Hole R Ring bar S Spacer

Claims (7)

In a method for assembling a concrete pole ring bar with a vertical bar horizontally constrained by the ring bar, the ring bar positioned on the ring bar assembly jig is set on the ring bar holder of the ring bar placing device , and the spacer of the spacer receiving unit After holding the spacer on the cradle and passing the vertical reinforcing bar inside the spacer and the ring bar, expand the ring bar holder to position the ring bar at a predetermined interval, and place the ring bar with the clip of the ring bar connecting bracket. A method for assembling a ring rod of a concrete pole, characterized by sandwiching and connecting. A ring muscle group standing device of the concrete pole to be used in the method of assembling the ring muscles of the concrete pole of claim 1 wherein, ring muscle placement device and the spacer is positioned at a predetermined distance ring muscles move the ring muscle holder A concrete pole ring rebar assembly device in which spacer receiving devices having receiving bases are alternately arranged. The ring streak arrangement device has means for connecting a predetermined number of ring streak holding bodies in which grooves for holding the ring streak are formed to each other and moving each ring streak holding body to position the ring streak at a predetermined interval. 3. A concrete pole ring reinforcement assembly apparatus according to claim 2, wherein The ring bar assembling device for a concrete pole according to claim 2 or 3, wherein the ring bar arranging device is freely movable up and down. The spacer receiving device, the ring muscle assembly of claim 2, 3 or 4 concrete pole, wherein the comprising a plurality of rollers elevator device arranged spacers cradle and the spacer receiving base for supporting the spacer apparatus. The ring bar connecting bracket used in the method for assembling a ring bar of a concrete pole according to claim 1 is composed of a metal band in which a predetermined number of clips sandwiching the ring bar are formed at intervals, and the clip has a guide piece having a widening end. A ring bar connecting metal fitting characterized by having. Claim 1 ring muscles set jig used in the method of assembling the ring muscles of the concrete pole described, positioning plate whose both ends forming outs positioning cutting ring muscles pitch the same pitch of the grooves of the ring muscle holder A ring bar assembly jig characterized in that a hole for passing a holding rod for holding an assembly of positioned ring bars is formed in the support plate.

Images