JP3053068B2 - Rebar arrangement equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention, Haisuji equipment of rebar
In respect, in particular, it relates to Haisuji equipment rebar for use in arranging the reinforcing bars of large diameter to Haisuji position.

[0002]

2. Description of the Related Art When constructing various types of reinforced concrete structures, prior to casting concrete, reinforcing bars for reinforcing members, which are members for reinforcing and reinforcing the tensile strength of concrete, are performed. Will be That is, such a reinforcing work is performed by using a reinforcing bar having a predetermined thickness determined by design and a predetermined spacing and density so that each reinforcing bar exerts a desired strength and can effectively reinforce concrete. This is performed by accurately arranging them at predetermined positions.

[0003] Generally, such a reinforcing bar arrangement work is performed, for example, by assembling each rebar at a reinforcing arrangement site by a manual operation of an operator such as a skilled reinforcer, or in a work yard different from the reinforcing arrangement site. It is performed by assembling a reinforcing bar cage into a predetermined shape, lifting it using a lifting heavy machine such as a crane, and transporting it to a reinforcing bar arrangement.

[0004]

However, such a reinforcing bar arrangement work is particularly necessary when constructing a large-scale concrete structure such as an LNG underground tank or a foundation footing of a bridge. , For example, nominal diameter D3
When the assembling work is performed using thick rebars of about 5, D38, D41, and D51, since these rebars have a considerable weight, they are not easy to handle, so that much labor and time are required for the assembling work. There was a problem of needing.

[0005] That is, since these thick rebars are heavy in weight, when they are transported to the location of the rebar by manual work such as rebar work and assembled, for example, six rebars are required for each rebar. There was a problem that a large number of workers, such as about eight, would be required. In addition, in the case of carrying and assembling work while lifting each reinforcing bar using a small crane or the like, it takes time to sling each reinforcing bar, and the work radius, capacity, etc. per crane are required. There is a problem that many cranes and the like are required due to the relationship, and bar arrangement work is complicated. Furthermore, in a method in which a reinforcing bar is laid in advance in a predetermined shape in a work yard different from a reinforcing bar and then laid, it is difficult to hold the laid shape at the time of hanging. At the same time, there is a problem that it is difficult to accurately install each reinforcing bar at a predetermined position due to a lap portion or the like when installing the reinforcing bars at the reinforcing arrangement location.

Accordingly, the present invention has been made in view of such a conventional problem, and particularly in the case of carrying and assembling a reinforcing bar using a large-diameter reinforcing bar, the bar arranging operation is facilitated. a manner, it is an object to provide a labor and construction costs, Haisuji equipment rebar that can be easily achieved a reduction in work period.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and the gist of the invention is to provide a bottom plate frame on which a bundle of reinforcing bars is placed, and an upright standing from the bottom plate frame. By being supported by the extending column, the reinforcing bar is arranged above the bottom slab frame portion while being formed with an accommodation portion for loading and unloading the reinforcing bar, and the reinforcing device is connected to a crane, a winch or the like. An upper frame portion provided with a lifting device for lifting by a lifting heavy machine, and being disposed on the bottom slab frame portion, sequentially feeds each reinforcing bar placed on the bottom slab frame portion in a direction intersecting with an extension direction thereof. A delivery means and a stop for temporarily stopping the movement of each rebar by the delivery means by being attached to the leading end of the bottom slab frame in the delivery direction. And Tsu path means, said bottom plate frame portion
Attached to the tip of the feeding direction,
Releasing an inclined frame portion inclined downwardly toward the direction, to release the locked state of the reinforcing bars paused I by the said stop means, by dropping sliding the inclined frame portion, a latched state Ru And slide along the inclined frame
Release means for dropping and disposing each rebar from the bottom slab frame portion to a rebar location while moving the rebar is provided.

[0008]

Further, reinforcement device of the present invention, the inclined frame portion, to the dispensing direction tip portion, an inclined frame stopper means for stopping temporarily locking the sliding movement of the rebar, by said stopper means It is preferable to provide an inclined frame releasing means for releasing the locked state and displacing each rebar from the inclined frame portion to a reinforcing arrangement position.

[0010]

[0011]

In the above description, it is assumed that each rebar is dropped and arranged from the bottom slab frame portion or the mounting means.
Move the bottom slab frame or mounting means to the vicinity of the reinforcing bar position after dropping each reinforcing bar to the reinforcing bar position, and arrange the reinforcing bars. In addition, this also includes the case where positioning and arrangement are performed at each bar arrangement position.

[0013] According to the rebar arrangement device of the present invention, the rebar operation is carried out by placing a plurality of rebars to be arranged collectively on a bottom plate frame portion of the rebar device, such as a crane or a winch. Lifted as a single unit by the lifting heavy equipment, and transported to the bar arrangement location,
While moving the reinforcing bar device according to the arrangement interval of the reinforcing bars by the lifting heavy machine, the placed reinforcing bars are sequentially sent out by the sending means, and each reinforcing bar is dropped from the bottom slab frame portion to the reinforcing bar position one by one. .

That is, such a reinforcing work can be performed by a worker such as a reinforcing steelworker without having to carry the work of transporting each reinforcing steel to the reinforcing position, and simultaneously lifting a plurality of reinforcing steels to be mounted. By transporting to the reinforcing bar location, the number of reciprocating movements of the heavy lifting machine from the temporary storage place to the reinforcing bar location can be reduced, and the slinging work for lifting the reinforcing bar can be greatly reduced.

Further, an inclined frame portion inclined downward in the feed direction is attached to the tip end portion of the bottom plate frame portion in the feed direction, and when the reinforcing bars are dropped from the bottom plate frame portion, the inclined frame portion is attached to the inclined frame portion. because along so that drop sliding each rebar, while eliminating the drop between the reinforcement position and the inclined frame portion, it is possible to go further Haisuji accurately each rebar.

Furthermore, at the tip of the inclined frame,
If the inclined frame stopper means and the inclined frame releasing means are provided, each rebar which slides down along the inclined frame portion is once received, and after being substantially stationary, it is disposed at the rebar arrangement position, so that each of the rebars can be further accurately arranged. Rebar can be arranged.

[0017]

[0018]

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments, ie, embodiments of the present invention will be described below in detail with reference to the accompanying drawings. This embodiment, for example, LNG floor plate portion of the underground tanks rather <br/> base to build a reinforced concrete structure, nominal diameter was processed into a predetermined shape and length D41, D5
When arranging rebar with a diameter of about 1 on the floor slab,
It is obtained by adopting the Haisuji equipment of rebar of the present invention.

That is, the bar arrangement device 10 of this embodiment is
As shown in FIG. 1 as a side view, FIG. 2 as a front view, and FIG. 3 as a plan view, a bottom slab frame section 11 for mounting a bundle of reinforcing bars, and a standing extension from the bottom slab frame section 11. The lower frame 12 is supported by the supporting columns 12, and is constituted by an upper frame 13 disposed above and spaced from the bottom slab frame 11, and an upper surface of the bottom slab frame 11 is provided with a delivery mechanism. And a stopper 15 and a push-up arm 16 as a releasing means are provided at the front end of the upper surface of the bottom plate frame portion 11.

Further, according to the bar arrangement device 10 of this embodiment, the inclined frame portion 17 is connected to and connected to the tip end surface of the bottom plate frame portion 11 so as to be firmly fixed by, for example, welding or bolting. At the tip of the inclined frame portion 17, a pivotable tip stopper 18 and an air cylinder 19 as an inclined frame releasing means for rotating the tip stopper 18 are provided. I have.

The bottom plate frame portion 11 is formed as a board-shaped frame structure by vertically and horizontally assembling, for example, an angle steel, a channel steel, an H-shaped steel, or the like by welding, bolting, or the like. Reinforcing the bundle of reinforcing bars with the bottom slab frame 11
When placed on the upper side, it is arranged so as to extend in a direction intersecting with the horizontal member 20 constituting the bottom slab frame portion 11 so that the reinforcing bar can be installed and supported between the plurality of horizontal members 20. I have.

Each of the lateral members 20 constituting the bottom plate frame portion 11 is provided with a chain driving sprocket 21 at both end portions of the side surface thereof, and a chain driving motor 22 is disposed adjacent to one of the sprockets 21. Is provided, the feed chain 14 wound between the sprockets 21 at both ends is rotationally driven along the horizontal member 20 in a direction intersecting with the reinforcing bar to be placed, that is, in the feed direction X of the reinforcing bar. Is available.

Further, the stopper 15 provided at the front end of the upper surface of the bottom plate frame 11 is provided with, for example, the feed chain 1.
4 so as to protrude above the rebar feed surface,
The horizontal member 2 of the bottom plate frame portion 11 is welded or the like so that the contact surface with the reinforcing bar faces the feed direction X.
The push-up arm 16 has one end portion pin-connected to the side surface of the horizontal member 20 and a hook portion for lifting a reinforcing bar at the other end portion. By rotating around the pin connection as the cylinder 23 expands and contracts, each of the rebars temporarily stopped by being locked by the stopper 15 is moved to the stopper 1.
5 and can be slid down to the inclined portion of the inclined frame 17.

On the other hand, the inclined frame portion 17 attached to the tip end surface of the bottom slab frame portion 11 is formed by forming a steel material such as an angle steel or a channel steel into a frame structure having a triangular cross section by welding or bolting. Then, on the extension of each of the horizontal members 20 constituting the bottom slab frame portion 11, the inclined member 24 inclined downward toward the distal end is connected and fixed.

A tip stopper 18 provided at the tip of the inclined frame portion 17 comprises a rotatable hook member which is pin-connected to the side surface of the inclined member 24, and extends an air cylinder 19 connected to the back of the hook member. By doing so, the hook portion protrudes from the inclined surface of the inclined member 24 to lock the rebar which is about to slide down along the inclined surface, and by contracting the air cylinder 19,
The hook portion is retracted from the inclined surface, and the locked rebar can be slid down again.

The column 12 that stands up from the bottom frame 11 and supports the upper frame 13 is made of a strong steel member such as a channel steel or an H-beam, as shown in FIG. At the rear end portion in the feeding direction X, the bottom slab frame portion 1 is fixed by strong fixing means such as welding or bolting.
1, and as shown in FIG. 2, a pair is provided at symmetrical positions about the front center line.

The upper frame portion 13 supported by the columns 12 is fixed to the columns 12 through strong fixing means such as welding or bolting, and is integrally sent from each column 12 in the feeding direction X. , And a pair of main frames 25 made of a strong steel member such as a channel steel or an H-section steel. The main frames 25 are erected and fixed between the pair of main frames 25. And a connecting frame 26 made of a channel steel or an H-shaped steel, etc., for integrally connecting and reinforcing the main frame 25. At both ends of the upper surface of each main frame 25, a total of four places are provided with hanging wires 27. Is provided.

That is, according to the rebar arrangement device 10 of this embodiment, the bottom plate frame portion 11, the support columns 12, and the upper frame portion 13 form the placement and accommodation portion 29 for the reinforcing bar having a U-shaped cross section ( 1), and a bundle of reinforcing bars can be easily carried into or taken out of the housing portion 29 from the side opening portion having a U-shaped cross section. In addition, hanging metal fittings 28 for engaging the hanging wires 27 are provided at both end portions of the main frame 25 which are arranged at symmetrical positions and extend so as to substantially cross over the bottom frame portion 11, and are provided on the bottom plate. The suspension wires 2 are arranged in a well-balanced manner above the frame portion 11.
When the bar arrangement device 10 is lifted through the base 7, the bottom plate frame 11 is held in a horizontal state, so that the rebar can be lifted and transported stably.

According to the bar arrangement device 10 of this embodiment, the center portion of the upper frame portion 13 is further laid on the connecting frame 26 and is extended and retracted in the reciprocating direction X in the reciprocating direction X. A guide rail 30, a forward / backward slide frame 31 that advances / retreats along the forward / backward slide guide rail 30, a vertical slide guide rail 32 fixed to the tip of the forward / backward slide frame 31 so as to extend in the vertical direction; A vertical slide frame 33 that moves up and down along the vertical slide guide rail 32, and a rebar grip clamp 34 having a gripping function and a telescopic function attached to the vertical slide frame 33.

That is, the reciprocating direction slide guide rail 30 is composed of a pair of channel steels having a U-shaped cross section in which the opening surfaces are arranged to face each other, and the reciprocating direction slide frame 31 is formed of a pair of these opposing opening surfaces. Between the slide frame 3 and the sliding frame 3
Reference numeral 1 designates a slide roller 35 attached thereto as a wheel, which is driven forward and backward by a driving force of a drive motor 36 through a sprocket 37 to thereby advance and retract the slide guide rail 30
It is configured to slide along.

Similarly, the vertical slide guide rail 32 is composed of a pair of U-shaped channel steels having opening surfaces opposed to each other, and the vertical slide frame 33 is provided with a pair of opposed vertical slide frames 33. The vertical slide frame 33 has a slide roller 38 attached thereto as a wheel, and the sprocket 4 is driven by a driving force of a drive motor 39.
The vertical slide guide rail 32 is configured to be driven to move up and down through the sliding guide rail 32.

Further, the reinforcing bar gripping clamp 34 provided at the lower end of the vertical slide frame 33 has a structure which can be moved up and down by a cylinder or the like.
The rebar is configured to be able to be detachably gripped by opening and closing the clamp portion.

In order to perform the rebar arrangement work using the arrangement apparatus 10 of the present embodiment having the above-described configuration, first, as shown in FIGS. In a work yard apart from the above, the work of loading a bundle of reinforcing bars 41 to be laid in the arranging device 10 is performed. That is,
Such loading work is a lumped rebar 41 lifting with cranes and the like, from the shaped side opening portion of the cross section U, can be easily performed by carrying the housing portion 29.

After the reinforcing bar 41 is placed on the bottom frame 11, the reinforcing device 10 is mounted on the bundled reinforcing bar 4.
At the same time, the work is lifted by a large lifting heavy machine such as a crane, transported to the reinforcing bar 41 at the location where the reinforcing bars 41 are arranged, and the reinforcing bars 41 are arranged at the location where the reinforcing bars are arranged at the reinforcing location.

That is, the feed chain 14 is reciprocated in the forward and reverse directions, and the collective reinforcing bars 41 are swung to eliminate overlapping portions, thereby aligning the loaded reinforcing bars 41 on the bottom plate frame 11 in a line. Then, if the feed chain 14 is rotated in the feed direction X,
As shown in FIG. 6, each reinforcing bar 41 is sequentially
The reinforcing bar 41 is stopped by the push-up arm 16 using the push-up arm 16.
If it pushes up beyond each other, each reinforcing bar 41
Sliding down along the slope of 7 in order. Then, the reinforcing bar 41 that is going to slide down is attached to the tip stopper 18.
While the reinforcing bar 10 is moved by the lifting heavy machine according to the arrangement interval of the reinforcing bars, the tip stopper 18 is retracted to release the received reinforcing bars 41, and the reinforcing bars 41 are sequentially dropped from the bottom slab frame portion 11. By moving, the rebars 41 can be easily arranged at the bar arrangement positions.

According to this embodiment, the rebar arrangement work is carried out while the plurality of rebars 41 to be rearranged are lifted together and transported to the rebar arrangement location. Easy to carry out without the need to transport to the bar position, reduce the number of reciprocating movements of the lifting heavy equipment from the temporary storage area to the reinforcing bar location, and greatly reduce the slinging work for lifting the rebar. I can do it.

Further, according to the bar arrangement device 10 of this embodiment, as shown in FIG. 7 to FIG. 9, it is possible to easily perform the bar arrangement work on the processed reinforcing bar such as the curved bar 42. . That is, in the same process as in the above-described case, the bundle of curved bars 42 loaded on the bar-arrangement device 10 and transported to the bar-arrangement location is, as in the above-described case, fed.
4 sequentially feeds in the feeding direction X, is stopped by the stopper 15 and temporarily stops. Then, while maintaining the state where each of the stopped bending muscles 42 is slightly pushed up by the push-up arm 16, the upper frame 1
3 moves the rebar grasping clamp 34 provided in
The pushed up muscle 42 is gripped (see FIG. 8), and thereafter, the forward / backward slide frame 31 and the vertical slide frame 33 are driven to slide back and forth and up and down. If it is moved so as to be accurately positioned at the position (see FIGS. 7 and 9), each curved muscle 42 can be sequentially and easily and accurately installed at each muscle arrangement position. In addition, it is preferable that this operation | work is also performed, moving the reinforcement arrangement apparatus 10 according to the arrangement | positioning interval of a rebar by a heavy lifting machine.

[0039] The present invention is not limited to those embodiments of the above embodiments, within the scope of technical ideas shown in the claims, it may be applied in various modifications. For example, the forward / backward slide frame 31 and the vertical slide frame 3 provided on the upper frame portion 13
3. The reinforcing bar gripping clamp 34 and the inclined frame portion 17 are not always necessary, and a linear reinforcing bar can be arranged by using the reinforcing bar gripping clamp 34. Further, arrangement SujiSo location of the invention, D
The present invention is not limited to the work of arranging reinforcing bars having a large diameter such as 41 and D51, and can be employed for the work of arranging reinforcing bars having a diameter of about 10 mm to 30 mm which is generally used.

[0040]

[Effect of the Invention] As described above in detail, according to Haisuji equipment rebar of the invention, lifting collectively a plurality of reinforcing bars to be reinforcement, and transported to reinforcement portion, the reinforcement At each location, each reinforcing bar is sequentially sent out by the sending-out means and dropped and arranged at each bar arrangement position.Therefore, there is no need for a worker to transport each reinforcing bar to the bar arrangement position, and from the temporary storage place to the bar arrangement position. The bar arrangement work can be easily performed while reducing the number of reciprocating movements of the lifting heavy machine for transporting the reinforcing bar and drastically reducing the slinging operation for lifting the reinforcing bar, and therefore, particularly, the diameter of the large diameter machine can be increased. When the rebar is used for assembling the rebar, the rebar arrangement work is facilitated, and the labor, the construction cost, and the construction period can be easily reduced.

[Brief description of the drawings]

FIG. 1 is a side view showing a configuration of a bar arrangement device according to one embodiment of the present invention.

FIG. 2 is a front view showing a configuration of a bar arrangement device according to one embodiment of the present invention.

FIG. 3 is a plan view showing a configuration of a bar arrangement device according to one embodiment of the present invention.

FIG. 4 is a side view for explaining a situation in which a bundle of reinforcing bars is loaded on the reinforcing bar device.

FIG. 5 is a front view for explaining a situation in which a bundle of reinforcing bars is loaded on the bar arrangement device.

FIG. 6 is a side view for explaining an embodiment in which a reinforcing bar is laid at a bar arranging position at a bar arranging position.

FIG. 7 is a plan view illustrating another embodiment in which a reinforcing bar is arranged at a bar arrangement position at a bar arrangement position.

FIG. 8 is a side view for explaining another embodiment in which a reinforcing bar is arranged at a bar arrangement position at a bar arrangement position.

FIG. 9 is a side view for explaining another embodiment in which a reinforcing bar is arranged at a bar arrangement position at a bar arrangement position.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Rebar arrangement apparatus 11 Bottom plate frame part 12 Prop 13 Upper frame part 14 Feed chain (feeding means) 15 Stopper (stopper means) 16 Push-up arm (release means) 17 Inclined frame section 18 Tip stopper (inclined frame stopper means) 19 Air cylinder (Inclination frame release means) 27 Suspension wire 28 Suspension fitting 29 Placement / accommodation section 30 Reciprocation direction slide guide rail (retraction direction slide means) 31 Retraction direction slide frame (retraction direction slide means) 32 Vertical slide guide rail (vertical slide) Means) 33 Vertical slide frame (vertical slide means) 34 Reinforcing bar gripping clamp 41 Reinforcing bar 42 Curved bar X Sending direction

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naoya Takada 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office (72) Inventor Teruichiro Tanaka 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Stock Obayashi Corporation Tokyo Head Office (72) Inventor Kenichiro Saji 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office (72) Inventor Noriaki Ego 2-4 Sangenya East, Taisho-ku, Osaka-shi, Osaka No. 15 Toyo Construction Machinery Co., Ltd. (56) References JP-A-5-346606 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04G 21/12 105

Claims (2)

(57) [Claims] 1. A bottom plate frame portion on which a bundle of reinforcing bars is placed and supported by a column standing upright from the bottom plate frame portion so that the reinforcing bars can be loaded and unloaded above the bottom plate frame portion. An upper frame portion provided with a suspending device for lifting the reinforcing member by a lifting heavy machine such as a crane and a winch and the bottom plate frame portion are arranged while forming an accommodation portion for mounting. By this means, a sending means for sequentially sending out each reinforcing bar placed on the bottom plate frame portion in a direction intersecting with an extension direction of the reinforcing plate portion, and being attached to the leading end portion of the bottom plate frame portion in the sending direction, whereby the sending means is provided. Stopper means for locking and temporarily stopping the movement of each reinforcing bar; and
Attached and inclined downwards in the feed direction
An inclined frame portion, pause I'm in the stopper means
Release the locking state of each reinforcing bar, and
By sliding down, the locked state is released and the inclination
Release means for displacing each reinforcing bar from the bottom slab frame portion to a reinforcing bar position while sliding along the frame . 2. An inclined frame stopper means for temporarily stopping the sliding movement of each reinforcing bar at a tip end in the feeding direction of the inclined frame portion, and releasing the locked state by the stopper means to release the engaging state. The reinforcing bar reinforcing device according to claim 1 , further comprising: an inclined frame releasing means for disposing and disposing each reinforcing bar from the inclined frame portion to a reinforcing position.