JPH07103695B2 - Rebar connecting device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a reinforcing bar connecting device for a reinforcing bar assembly used in a civil engineering and construction skeleton work.

[Prior Art] In such a reinforcing bar assembly, conventionally, the vertical bars and the horizontal bars are vertically intersected with each other, and the intersecting portions are manually bound and bonded with an annealed iron wire.

[Problems to be Solved by the Invention] This manual joining work requires skill and is poor in workability, and the working time is long.

It is an object of the present invention to provide a reinforcing bar connecting device that automatically and quickly connects reinforcing bars.

[Means for Solving the Problems] Therefore, according to the present invention, a bar arrangement frame that arranges vertical and horizontal transverse bars and vertical bars, a traveling frame that can travel in one direction of the bar arrangement frame, A base movably and vertically movable provided on a traveling base, and a metal fitting vertically movably provided on the base and engaged with an upper half of a horizontal bar for engaging a horizontal bar engaging groove and an engaging part of a reinforcing bar connecting metal fitting. A plurality of upper crimping portions each having an engaging groove formed therein, and a horizontal streak engaging groove that is vertically movably provided on the base so as to face the upper crimping portions and that engages with a lower half of a horizontal streak; There is provided a reinforcing bar coupling device comprising: a plurality of lower crimping portions each having a longitudinal reinforcing groove engaging with a portion and a leg guide groove engaging with a leg of a reinforcing bar coupling fitting.

[Operation] When connecting the reinforcing bars with the reinforcing bar connecting device configured as described above, the horizontal bars and the vertical bars are arranged vertically on the bar arrangement frame,
Set the reinforcing bar connecting fittings at the intersections of the two bars.

Next, the traveling cradle is moved so that the crimping portion does not contact the pedestal and the intersection, and the base is traversed and moved up and down to position both crimping portions above and below the intersection.

Next, the upper crimping part is moved downward to press the metal fitting, and then the lower crimping part is moved upward to cooperate with the upper crimping part to guide the leg part of the metal fitting by the groove to deform so as to hold the vertical streaks. Use a metal fitting to connect both muscles.

Then, after moving both crimping parts up and down, the above procedure is repeated to join the crossing parts of other rows.

Embodiments Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, a reinforcing bar connecting metal fitting (hereinafter referred to as a metal fitting) 1
Is the intersection Z of the horizontal stripes X and the vertical stripes Y that intersect at right angles up and down.
In, the first engaging portion 2 in which two steel wires engaging with the upper half portion of the transverse bar X are joined, and the upper half portion of the reinforcing bar Y that is continuous with both ends of the first engaging portion 2 The second engaging portions 3 and 3 formed by branching two steel wires that engage with a part of the first and second ends of the second engaging portion 3 and extending downward in parallel. It consists of legs 4 and 4.

FIG. 4 shows another embodiment of the metal fitting, namely, the metal fitting 1A and the metal fitting 1
This is an example in which the first engaging portion 2A, the second engaging portions 3A, 3A, and the leg portions 4A to 4A which are formed of a steel wire slightly thicker than the steel wire of FIG.

FIG. 7 also shows another embodiment of the metal fitting, in which the metal fitting 1B is cast from a flexible material (for example, an aluminum alloy material), and the first engaging portions 2B, 2
This is an example in which B, the second engaging portions 3B and 3B, and the leg portions 4B to 4B are formed.

FIG. 10 also shows another embodiment of the metal fitting, in which the metal fitting 1C is cast in the same manner as in FIG. 7, and the first engaging portion 2C, the second engaging portions 3C, 3C and the second engaging portion 3C are formed. Is an example in which leg portions 4C to 4C are formed so as to extend downward in an arc shape continuously to both end portions of and the tip portions are bent outward.

In FIG. 15, a reinforcing bar coupling apparatus indicated by reference numeral 10 as a whole is provided with a bar arrangement frame consisting of a pair of horizontal bar frames 11A in which the receiving portions 11a of the horizontal bars X are engraved at a predetermined pitch and a similar vertical bar frame 11B. 11 is provided, and a pair of traveling rails 12 and 12 are laid in parallel with the horizontal bar frame 11A.

On these rails 12 and 12, a gate type frame 14 having traveling wheels 13 to 13, that is, a traveling frame is provided so as to be freely movable. A rectangular plate-shaped base 17 is provided on the upper beam 14a of the gate frame 14 through two sets of traverse devices 15 and four vertical cylinders 16 so as to be traversable and vertically movable.

A plurality of (four in the illustrated example) vertical guides 18 are suspended from the base 17, and an upper crimping portion 21 and a lower crimping portion 24 are respectively supported by the guides 18 so as to be vertically movable. Has been done. The upper crimp portion 21 is connected to the upper crimp cylinder 19 fixed to the base 17, and the lower crimp portion 24 is connected.
Is connected to a lower crimping cylinder 20 provided inside the guide 18.

In FIG. 16, the upper crimping portion 21 is provided with a lateral groove engaging groove 22 in which the upper half portion of the lateral bar X is engaged, and the metal fitting 1 provided in the groove 22.
A metal fitting engaging groove 23 that engages with the first engaging portion 2 and the second engaging portions 3 and 3 is formed.

Further, in the lower crimping portion 24, a horizontal line engaging groove 25 that engages with the lower half of the horizontal line X and a vertical line engaging groove 26 that engages with the lower half of the vertical line Y.
And a leg guide groove 27 which is provided in the groove 26 and which guides the leg portions 4 and 4 of the metal fitting 1 and deforms so as to hold the lower half portion of the vertical stripe B.

FIG. 17 shows another embodiment corresponding to the metal fitting 1B of the crimping portion, in which the upper crimping portion 21B is formed with a lateral line engaging groove 22B and a metal fitting engaging groove 23B which are substantially similar to those in FIG. , Lower crimping part 24B
In this example, a lateral line engaging groove 25B, a vertical line engaging groove 26B and a leg guide groove 27B which are substantially the same as those in FIG. 16 are formed.

Next, the mode of coupling will be described mainly with reference to FIG.

First, four vertical stripes Y, Y ... are arranged on the vertical stripe mount 11B, and a plurality of horizontal stripes X, X ... are arranged on the horizontal stripe mount 11A to connect both stripes X, Y. Arrange the muscles.

Next, as shown in FIG. 1, the metal fitting 1 is set from above in the intersection Z between the two bars X and Y.

Next, the two crimping parts 21 and 24 are attached to the gantry 11 etc. and the reinforcing bar intersection Z.
The gate-shaped frame 14 is run in the direction of arrow A so as not to come into contact with the
17 is traversed in the direction of arrow B, and is moved up and down in the direction of arrow C to position both crimping portions 21, 24 above and below the reinforcing bar intersection Z.

Then, the upper crimping cylinder 19 is extended in the direction of arrow D,
The upper crimping portion 21 is moved downward to press the horizontal bar X and the metal fitting 1.

Next, the lower crimping cylinder 20 is contracted in the direction of arrow E to move the lower crimping portion 24 upward, and in cooperation with the upper crimping portion 21, the leg guide grooves 27 guide the legs 4, 4 of the metal fitting 1. Vertical stripe Y
As shown in FIG. 2, both the muscles X and Y are connected by a metal fitting 1d (FIG. 3) so as to hold them.

Next, after moving both crimping parts 21 and 24 up and down in the directions of the arrows D1 and E1, the above-mentioned procedure is repeated and the crossing parts Z, Z of the other rows are repeated.
... is combined.

When using the metal fitting 1A (Fig. 4), the crimping part 21,
The metal fitting 1a (Fig. 6) deformed by both crimping portions (not shown) substantially similar to 24 is used for connection (Fig. 5).

When using the metal fitting 1B (Fig. 7), the crimping part 21
It is connected by the metal fitting 1b (Fig. 9) deformed by B, 24B (Fig. 17) (Fig. 8).

When using the metal fitting 1C (Fig. 10), the crimping part 21
B and 24B are joined together by a metal fitting 1c (Fig. 12) deformed by both crimping parts (not shown) which is substantially similar to that (Fig. 11).

Also, as shown in FIGS. 13 and 14, attach the metal fitting 1C to the leg 4
Using the elasticity of C and 4C, set it at the intersection Z from below,
Connect them with a metal fitting (not shown) in which both crimping parts for FIG. 10 are installed upside down.

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the reinforcing bar connecting fittings are set at the intersections of the reinforcing bars, and the legs of the reinforcing bar connecting fittings are deformed by the reinforcing bar connecting device to automatically operate. Target,
And, it can be combined quickly.

[Brief description of drawings]

FIGS. 1, 2 and 3 are perspective views showing a state of a first embodiment of a reinforcing bar connecting fitting, at the time of setting, connecting and after deformation, FIG. 4, FIG. 5 and FIG. 6 are reinforcing bars. Drawings corresponding to Figs. 1, 2 and 3 showing a second embodiment of the coupling fitting,
FIG. 7, FIG. 8 and FIG. 9 are drawings corresponding to FIG. 1, FIG. 2 and FIG.
FIGS. 11, 11 and 12 are drawings corresponding to FIGS. 1, 2 and 3 showing a fourth embodiment of the reinforcing bar connecting fitting, and FIGS. 13 and 14 are the reinforcing bars of the fourth embodiment. FIG. 15 is a perspective view showing another example of the use of the fitting, and a perspective view of the fitting, FIG. 15 is a perspective view showing an embodiment of the reinforcing bar joining device according to the present invention, and FIGS. 16 and 17 are the reinforcing bars of FIG. FIG. 18 is a more detailed perspective view showing different embodiments of both crimping portions used in the joining device, and FIG. 18 is a perspective view for explaining a joining process of reinforcing bars by the reinforcing bar joining device of FIG. X: horizontal stripe, Y: vertical stripe, Z: intersection, 1, 1A, 1B,
1C ... Reinforcing bar coupling fitting, 2 ... First engaging part, 3 ... Second
Engagement part, 4 …… Leg, 10 …… Reinforcing bar connecting device, 11A ……
Horizontal bar mount, 11B …… Vertical bar mount, 14 …… Gate frame, 15 …… Transverse device, 16 …… Upper and lower cylinder, 17 …… Base, 19 …… Upper crimping part cylinder, 20 …… Lower crimping Cylinder, 21 …… Upper crimping section, 22 …… Horizontal streak engaging groove, 23 ……
Metal fitting engaging groove, 24 …… Lower crimping part, 25 …… Horizontal streak engaging groove, 26
…… Longitudinal streak engagement groove, 27 …… Leg guide groove

Claims (1)

[Claims] 1. A bar arrangement frame for arranging vertical and horizontal transverse bars and vertical bars, a traveling platform that can travel in one direction of the bar arrangement platform, and a traveling platform that is provided so as to traverse and move up and down. A base, and a plurality of upper crimping portions provided with a horizontal reinforcing groove that is vertically movable on the base and that engages with the upper half of the horizontal reinforcing bar, and a metal fitting engaging groove that engages with the engaging portion of the reinforcing bar connecting metal fitting. And a horizontal reinforcing groove which is provided in the base so as to be movable up and down so as to face the upper crimping portion and which engages with the lower half of the horizontal bar, a vertical reinforcing groove with which the lower half of the vertical bar engages, and a reinforcing bar. A reinforcing bar coupling device comprising: a plurality of lower crimping portions each having a leg guide groove that engages with a leg portion of a coupling fitting.