JP3917057B2 - Welding spark curing device and its replacement method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a welding spark curing device and a refilling method thereof, and more particularly, a curing that prevents welding sparks from being scattered by a compact device and further facilitates refilling to an upper floor by reducing the weight and size. The present invention relates to an apparatus and a replacement method thereof.
[0002]
[Prior art]
Conventionally, in building construction, as shown in FIG. 8, in the joining of the steel column 2 and the large beams 11, 12, in order to prevent welding sparks from being scattered in the work of welding or cutting the steel frame, for example, in the steel column 2 The flameproof sheet 6 is attached to the handrail of the column stage 3 provided for each floor to prevent scattering. Further, a curing net 13 is disposed outside.
[0003]
In addition, there is known a system in which a curing net is moved up and down by a driving means on a lifting base that can be lifted and lowered by a lifting guide frame by the applicant of the present application (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-44095 (pages 1 to 7, FIG. 1)
[0005]
[Problems to be solved by the invention]
However, in order to attach the flameproof sheet to the handrail of the column stage, it is necessary to remove the binding of the flameproof sheet and replace it for each construction method. Further, the flameproof sheet may be beaten and fluttered against the wind, and the sheet may come off from the handrail. In addition, height adjustment may be required depending on the floor height. In addition, it is necessary to burn and replace the flameproof sheet with welding sparks while it is repeatedly used. On the other hand, the curing net by the automatic lifting device becomes a large-scale device as a whole, and the cost increases. The welding spark curing device and its replacement method according to the present invention have been proposed in order to solve such problems.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the gist of the welding spark curing device according to the present invention is a curing device that is attached to a column stage of a steel column under construction and prevents the scattering of welding sparks, and is arranged in a plurality of floors in the vertical direction. A front frame that spans the frame, and a side frame that is pivotally supported on the side of the front frame via a hinge, can be superimposed on the front frame, and can be deployed on the side And a guide member that is erected and attached to a plurality of column stages on the upper floor of the front frame body, and a lower portion of the guide member is slidably engaged with the front frame body, A refilling guide member that guides up and down to the upper floor, a hoisting device that is installed on the column stage and engages a vertical frame in the front frame to raise the front frame, and the front frame Each of the body and the side frame It is to consist of a flameproof sheet to be stretched on the side.
[0007]
Also, asbestos sheets are stretched on the inner surfaces of the front frame and the side frame;
Further, the front frame body is divided into left and right parts with respect to the steel column to be attached, and each of the divided front frame bodies is replaced with an upper floor with respect to the steel column; Is included.
[0008]
The gist of the refilling method of the welding spark curing device according to the present invention is that the welding spark curing device is attached to a steel column and welded, and then the refilling guide member is installed on the column stage on the upper floor. The hoisting device is installed on the column stage, the side formwork is folded into the front formwork via the hinge, and the folded front formwork is raised while being guided by the refill guide member by the hoisting device. It is attached to the column stage, and the side mold is developed from the state superimposed on the front mold to the side.
[0009]
According to the welding spark curing device and the refilling method thereof according to the present invention, a compact curing device is attached to the steel column to be welded to prevent welding sparks from being scattered. Moreover, it is easy to fold, and the whole curing device can be folded small and replaced to the upper floor. As a result, the hoisting device can be small, and the device can be made small and detachable from the column stage. Furthermore, even when strong winds are feared during a typhoon, damage to the strong winds can be avoided by folding the curing device to make it compact.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, the welding spark curing device 1 according to the present invention and its replacement method will be described with reference to the drawings. In order to facilitate understanding of the invention, portions corresponding to the conventional example are denoted by the same reference numerals as those of the conventional example.
[0011]
As shown in FIGS. 1 to 2, the welding spark curing device 1 is a curing device that is attached to the column stage 3 of the steel column 2 under construction to prevent the welding sparks from being scattered, and has a plurality of floors in the vertical direction. For example, there is a front frame 4 constructed over three floors. The front frame body 4 is elongated in the vertical direction by a square pipe 1a made of aluminum, and is formed in a square shape.
[0012]
The front frame body 4 is divided into left and right parts with respect to the steel column 2 to be attached, and each of the divided front frame bodies 4 is replaced with an upper floor with respect to the steel column 2. Is.
[0013]
Further, the front frame body 4 is provided with a rotatable overlapping frame body 4a having a narrower width than the front frame body 4 via a hinge. A side frame 5 is provided on the front frame 4 so as to be rotatable on the side surface via a hinge, and can be superimposed on the front frame 4 and can be developed on the side. The side frame 5 is also elongated in the vertical direction with a square pipe 1a made of aluminum, and is formed in a quadrangular shape.
[0014]
A flameproof sheet 6 is stretched over the entire surface of each of the front frame body 4, the superimposed frame body 4 a, and the side frame body 5 as a curing sheet.
[0015]
Further, on the inner surface side of the front frame body 4, the overlapping frame body 4 a, and the side surface frame body 5, the asbestos sheet 7 extends over the range corresponding to the column stage 3 on each floor in the vertical direction. Are stretched.
[0016]
Furthermore, when the floor height of the building is changed as it goes to the upper floor, or when the floor height is different when diverted to another building, it is necessary to adjust the height of each frame of the curing device 1. Therefore, the vertical position adjustment of the front frame body 4, the superposed frame body 4a, and the side surface frame body 5 is such that each vertical frame is slidable and the height can be adjusted. It is.
[0017]
Further, as shown in FIGS. 3 to 5, the guide member is installed on the column stage 3 on the upper floor of the front frame body 4 and is mounted on the upper floor. A lower part 8a of the guide member is slidably engaged with the front frame body 4, and a refill guide member 8 is provided for guiding the raising and lowering of the front frame body 4 to the upper floor. The refilling guide member 8 is formed of a lightweight material made of aluminum, and is a rectangular cylindrical body having a slit along one side of the vertical direction.
[0018]
In the inner space of the guide member 8, a guide roller 9 for guiding the movement in the vertical direction and positioning in the horizontal direction is fitted. The guide roller 9 is rotatably supported by a support shaft that protrudes from the column stage 3.
[0019]
A hoisting device 10 that is installed on the column stage 3 and that lifts the front frame 4 by driving means engaging with the vertical frame 4b of the front frame 4 is provided. As shown in FIG. 6, the hoisting device 10 includes, for example, a gear 10a meshing with a rack carved in the vertical frame 4b, a transmission member 10b, a driving gear 10c, and a handle 10d for rotating the driving gear. A raising drive mechanism is provided. In addition, as a raising drive mechanism, not only this but a well-known mechanism is employ | adopted.
[0020]
The hoisting device 10 is detachable from the rack of the vertical frame 4b, and is set on the column stage 3 only when the front frame 4 is raised, as shown in FIGS. is there.
[0021]
Furthermore, as shown in FIGS. 1 and 2, the welding spark curing device 1 is divided into two parts, the left and right objects, with respect to the steel column 2 to be attached, in order to reduce the size and weight. Each of the divided front frame bodies 4 and 4 is adapted to be refilled to the upper floor with respect to the steel column 2. As a result, the overall weight is reduced, it is easy for the operator to handle, and the replacement work to the upper floor is facilitated.
[0022]
The manner in which the flameproof sheet 6 is replaced with the upper floor from the welding spark curing device 1 of the present invention configured as described above will be described with reference to FIG. First, as shown in FIG. 7 (A), welding work is performed by setting the welding spark curing device 1 symmetrically over the third floor of the building under construction so as to be symmetrical. With respect to the front frame body 4, the side frame body 5 is developed on the side surface, the overlapping frame body 4a is developed on the front surface, and as shown in FIG. It is arranged so as to surround the mold. In addition, the curing net 13 is arrange | positioned on the outer side.
[0023]
When the welding operation of the N section with respect to the steel column 2 is completed, as shown in FIG. 7 (B), the refilling guide members 8 are installed on the column stage 3 on the upper floor with respect to the column stage 3 of the N + 1 section. Then, the upper end is attached to the handrail (A portion in the figure). The lower part 8 a of the refilling guide member 8 is disposed up to the column stage 3 positioned at the upper part of the front frame 4 and is engaged with the guide roller 9.
[0024]
Then, the gear 10 a is engaged with the rack of the vertical frame 4 b, and the winding device 10 is set on the column stage 3. Next, the side frame 5 is rotated by a hinge so as to be superimposed on the front frame 4, and further, the superimposed frame 4 a is rotated by a hinge so as to be superimposed on the front frame 4 (state shown in FIG. 3). It fixes to the front frame 4 with a clamp etc. so that it may not be agitated.
[0025]
Next, an operator rotates the handle 10d of the winding device 10 in the winding direction. Therefore, as shown in FIGS. 6 and 7C, the rack is pushed up by the rotation of the gear 10a, the vertical frame 4b rises, and the front frame 4 rises. As shown in FIG. 7D, when the front frame 4 reaches the column stage 3 extending over the third floor of the N + 1th section, it is fixed to a handrail or the like. Thereafter, the winding device 10 and the refilling guide member 8 are removed. In addition, each column stage 3 of section N that has become unnecessary is removed.
[0026]
From the front frame body 4, the overlapping frame body 4a is developed, and the side frame body 5 is further developed on the side surface side, and fixed to the handrail or the like of the column stage 3, respectively. In this way, the replacement work of the welding spark curing device 1 is completed.
[0027]
When the floor height changes as the curing device 1 is replaced with the upper floor, the vertical frame is slid to adjust the height. In this way, the front frame body 4 folded and superimposed is replaced by the hoisting device 10. Further, against strong winds during a typhoon, the side frame body 5 and the overlapping frame body 4a can be folded on the front frame body 4 so as not to be beaten.
[0028]
【The invention's effect】
As described above, the welding spark curing device according to the present invention is a curing device that is attached to a column stage of a steel column under construction to prevent scattering of welding sparks, and is constructed across a plurality of floors in the vertical direction. A front frame body, a side frame body that is rotatably supported on the side surface side via a hinge on the front frame body, can be superimposed on the front frame body, and can be deployed on the side surface side, and the front surface It is a guide member that is erected and attached to a column stage on a plurality of floors on the upper floor of the frame body, and a lower portion of the guide member is slidably engaged with the front frame body, to the upper floor of the front frame body A refilling guide member for raising and lowering a guide, a hoisting device that is installed on the column stage and engages a vertical frame in the front frame to raise the front frame, and the front frame and the side surface Stretched on each outer surface side with the frame Since the consisting of flameproof sheet, become a lightweight and compact frame by folding, in which excellent effects say primes replacement work is facilitated. The hoisting device for raising the front frame body is also simple in structure, and is detachable from the column stage, and is easy to handle.
[0029]
According to the refilling method of the welding spark curing device according to the present invention, after the welding spark curing device is attached to a steel column and performing welding work, the refilling guide member is installed on the column stage on the upper floor and wound up. The apparatus is installed on the column stage, the side formwork is folded into the front formwork via the hinge, and the folded front formwork is raised while being guided by the refill guide member by the hoisting device, and the upper floor column It is a refilling method that attaches to the stage and unfolds the side formwork from the state superimposed on the front formwork to the side, so it can be rolled up after making the front face frame to be refilled compact and lightweight. It has the effect of becoming.
[Brief description of the drawings]
FIG. 1 is a perspective view of a welding spark curing device 1 according to the present invention.
FIG. 2 is a front view of the welding spark curing device 1 according to the present invention in use.
FIG. 3 is a partial perspective view of the welding spark curing device 1 according to the present invention in use.
FIG. 4 is a partial plan view of the welding spark curing device 1 according to the present invention in use.
5 is a perspective view of a refill guide member 8. FIG.
FIG. 6 is an explanatory diagram showing a schematic configuration of the winding device 10;
FIGS. 7A to 7D are explanatory views (A) to (D) showing a refilling method by the welding spark curing device 1 according to the present invention. FIGS.
FIG. 8 is an explanatory diagram showing an example of a flameproof sheet for welding sparks according to a conventional example.
[Explanation of symbols]
1 welding spark curing device, 2 steel column,
3 column stage, 4 front frame,
4a superimposed frame, 4b vertical frame,
5 side frame, 6 flameproof sheet,
7 Asbestos sheet, 8 Refill guide member,
9 Guide roller, 10 Winding device,
11, 12 Ohashi, 13 Curing net.

Claims (4)

A curing device that is attached to the column stage of a steel column under construction to prevent the scattering of welding sparks,
A front frame constructed across a plurality of floors in the vertical direction;
A side frame that is rotatably supported on the side surface via a hinge on the front frame, can be superimposed on the front frame, and can be deployed on the side;
A guide member that is erected and attached to a plurality of column stages on the upper floor of the front frame body, and a lower portion of the guide member is slidably engaged with the front frame body; Refilling guide member to raise and lower to,
A hoisting device which is installed on the column stage and engages with a vertical frame in the front frame to raise the front frame;
It consists of a flameproof sheet stretched on each outer surface side of the front frame and the side frame,
Welding spark curing device characterized by. Asbestos sheets are stretched on the inner surfaces of the front and side frames,
The welding spark curing device according to claim 1. The front frame is divided into left and right with respect to the steel column to be attached, and each of the divided front frames is replaced with the upper floor with respect to the steel column,
The welding spark curing device according to claim 1 or 2. After performing the welding work by attaching the welding spark curing device according to claim 1 to the steel column,
A refill guide member is installed on the column stage on the upper floor,
Install the hoisting device on the column stage,
Fold the side formwork to the front formwork via the hinge,
The front formwork folded by the hoisting device is lifted while being guided by the refill guide member and attached to the upper column stage,
Unfolding the side mold from the state superimposed on the front mold to the side,
Refilling method for welding spark curing device.

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