JP3970504B2 - Triangle fabric board for lifting opening of frame scaffold - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a triangular cloth board for a lifting opening of a framework scaffold.
[0002]
[Prior art]
As shown in FIG. 11 to FIG. 15, the work frame scaffolding temporarily constructed along the building and the structure includes a number of standardized gate-shaped building frames 1, cloth boards 2, braces 3, and a small number of elevators. The pier 4, the handrail frame 5, the auxiliary handrail 6 and the like are assembled to form a plurality of layers.
In this case, the fabric board 2 is juxtaposed in two to three rows in each layer, but the narrow gate-shaped building frame is adapted to the width of the gate-shaped building frame 1 as shown in FIGS. As for the wide gate-shaped building frame, as shown in FIG. 14 and FIG.
[0003]
The elevator pier 4 is arranged at a key point between the upper and lower layers. In the key point, the upper cloth layer 2 is removed, and the lift opening 7 is opened here, as shown in FIGS. In this way, the upper end of the elevator pier 4 is engaged with the horizontal member 8 of the gate-shaped building frame 1 located at the end of the elevator opening of the elevator opening 7 and the lower end is not connected to the elevator opening 7 By engaging with the horizontal member 8 of the lower gate-shaped building frame 1 located below the end on the lift opening side, it is disposed obliquely below the end on the non-lift opening side of the lift opening 7.
[0004]
A handrail frame 5 for preventing fall from the opening is arranged on one side of the lifting opening 7, particularly adjacent to the parallel cloth board 2, and at the non-lifting opening side end of the lifting opening 7. An auxiliary handrail 6 for preventing the fall is arranged.
The handrail frame 5 has a handrail 12 between a non-biased hand slider 10 that is erected from one end of the girder 9 without any deviation and a biased hand slider 11 that is erected from the other end to the middle. The both ends of the girder 9 are engaged with the horizontal members 8 of the respective gate-shaped building frames 1 positioned at both ends of the elevating opening 7 so that they are bridged between the horizontal members.
Engagement hardware is provided at each end of the cloth board 2, the lifting pier 4, the girder 9, etc., and these engagement hardware are detachably engaged with the horizontal material 8 of the portal frame 1 Is done.
[0005]
The auxiliary handrail 6 is clamped at both ends, and has one end on the pillar 13 of the gate-shaped building frame 1 located at the non-elevator side end of the elevating opening 7 and the other end on the biased handrail. Removably joined to the child 11. Therefore, as shown in FIGS. 12 and 14, the built-in auxiliary handrail 6 is disposed in an inclined state with the corners of the lift opening as viewed from above. This is because, as shown in FIGS. 13 and 15, in the gate-shaped building frame 1, the reinforcing material 14 is vertically provided inside the pedestal 13, so it is necessary to escape the reinforcing material. is there.
[0006]
[Problems to be solved by the invention]
However, when the auxiliary handrail 5 is provided by escaping the reinforcing member 14 in this way, there is no cloth plate at the corner portion corresponding to the end of the lift opening 7 on the non-lift opening side, so that FIGS. There is a risk that a triangular hole 15 will be formed in this case, which may cause a crash of workers, a fall of materials, tools, etc., or a fall accident.
Although it is possible to close the triangular hole 15 of this passage with a plywood board, etc., there is a risk of unexpected accidents due to insufficient strength, falling accidents due to steps, etc., and troublesome work such as overhanging There is.
[0007]
In addition, in the conventional frame scaffold, there is one disclosed in Japanese Utility Model Publication No. 59-190835, in which fan-shaped cloth plates are arranged at the corner portion of the passage. In this case, the corner portion of the passage changes in the direction of the passage. , The fan-shaped cloth board is constructed between adjacent building frames (for example, 90 degrees or the like), and thus cannot be used for the triangular hole 15 described above.
In addition, as for using fan-shaped cloth boards, there are other ones disclosed in JP-A-11-247433 and JP-A-11-223013, but these relate to the corner portion of the passage where the direction changes. Since it belongs to the class of so-called single-tube scaffolds, it cannot be used for the triangular hole 15 described above.
[0008]
Therefore, the present invention intends to provide a triangular cloth board dedicated to the frame scaffolding as a means for closing the triangular hole 15 of the passage corresponding to the end of the lift opening 7 on the non-lift opening side end. In addition to eliminating the risk of falling accidents, falling materials and tools, and falling accidents, it also eliminates the risk of unexpected accidents due to insufficient strength, such as blocking with plywood, etc., and falling accidents due to steps, etc. It is intended to make payment easy and hassle-free.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the invention of claim 1 is provided with a metal triangular cloth plate body 17 adapted to the triangular hole 15 of the passage corresponding to the non-lift opening side end of the above-described lifting opening 7, On the plate body, on one side facing the horizontal member 8 of the gate-shaped building frame 1, one engagement hardware 18 to be engaged with the horizontal member 8 is opposed to the girder 9 of the handrail frame 5. On the other side, there is another engagement metal piece 19 to be engaged with the girder material 9, and on the remaining free slant side, there is a triangular cloth plate 16 for the lifting / lowering opening portion of the frame scaffolding in which the baseboard 20 is erected. .
[0010]
The invention of claim 2 is in the triangular cloth plate 16 for the lifting / lowering opening of such a frame scaffold, wherein the other engagement hardware 19 is a hook-shaped latch 21 that rests on the beam member 9 of the handrail frame 5 from above. At the same time, a depressing protrusion 22 that is restrained by the lower edge of the adjacent cloth plate 2 is provided at the tip of the hook-shaped latch.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIGS. 1 to 5 show a state where the metal triangular cloth plate 16 according to the present invention is arranged in the triangular hole 15 of the passage corresponding to the end of the lifting opening 7 in the conventional frame scaffold shown in FIGS. Is shown. The conventional frame scaffolds in FIGS. 1 to 5 are omitted from the description of FIGS. 11 to 15 described above.
[0012]
As shown in FIGS. 1 to 5, the triangular cloth plate 16 is formed so as to be detachable from the triangular hole 15 so as to be adapted to the triangular hole 15 of the passage corresponding to the non-elevating side end of the elevating opening 7. Yes. That is, as shown in FIG. 6 to FIG. 9 and FIG. 10, a triangular cloth plate body 17 having a substantially right-angled triangular plane is provided by fitting it to the triangular hole 15 of the passage by a steel deck plate or the like. On the plate body, a hanging piece 23 is suspended on one side facing the horizontal member 8 of the gate-shaped building frame 1 out of two sides forming a right angle, and the hanging piece is engaged with the horizontal member 8. A pair of left and right engagement hardware 18 protrudes, and another side of the handrail frame 5 that faces the beam member 9 faces another beam 19 that engages with the beam member 9. A baseboard 20 is erected on the remaining free hypotenuse.
[0013]
As shown in FIGS. 6 to 9, the pair of left and right engagement hardware 18 is provided with a C-shaped latch 24 that is engaged with the horizontal member 8 from the hanging piece 23 so as to project the C-shaped latch. A stopper 25 is attached to the side surface to engage the horizontal member 8 and prevent unexpected detachment. This clasp 25 has two guide slots 27 in different directions, and both guide slots are movably fitted to two studs 26 protruding from the side of the C-shaped latch 24, respectively. It is provided so as to be freely disengageable from the horizontal member 8.
[0014]
As shown in FIGS. 6 to 9, the other engagement hardware 19 is formed on a hook-shaped latch 21 that is placed on the beam 9 from above by bending a metal piece such as a steel plate. The cloth plate main body 17 is protruded from the other side, and a restraining protrusion 22 that is restrained by the lower edge of the adjacent cloth plate 2 is protruded from the tip of the saddle-shaped latch 21.
[0015]
Thus, as shown in FIGS. 1 to 5 and 10, the triangular cloth plate 16 is disposed in the triangular hole 15 of the passage corresponding to the non-elevating side end of the elevating opening 7 in the frame scaffold, and As shown in FIGS. 6 to 8 and 10, a pair of left and right engaging hardware 18, that is, a C-shaped latch 24 and a clasp 25, are mounted on the horizontal member 8 of the portal building frame 1 positioned in the triangular hole 15. The other engagement metal piece 19, that is, the hook-shaped latch 21, is engaged with the beam member 9 of the handrail frame 5 located in the triangular hole 15 from above, and the hook The restraining protrusion 22 protruding from the latch 21 is held down by the lower edge of the adjacent cloth board 2.
The triangular cloth plate 16 incorporated in this way is stably held in the triangular hole 15 portion and closes the triangular hole 15 to prevent the worker from falling from the triangular hole 15 and falling of materials, tools, etc. Further, the baseboard 20 rising from the oblique side of the triangular cloth board 16 prevents the fall of materials, tools, etc. that roll on the triangular cloth board 16 and fall into the lifting opening 7 and onto the lifting pier 4.
[0016]
【The invention's effect】
According to the first and second aspects of the present invention, the triangular cloth board main body 17 is provided so as to be adapted to the triangular hole 15 of the passage corresponding to the end of the lifting opening 7 on the non-lifting opening side. One engagement hardware 18 to be engaged with the horizontal member 8 of the gate-shaped building frame 1 on one side of the main body, and another engagement hardware to be engaged with the girder 9 of the handrail frame 5 on the other side 19 is provided, so that these engagement hardware 18 and 19 can be securely incorporated into the frame scaffold by engaging the horizontal member 8 and the girder 9, and the triangular cloth plate body 17 can The triangular hole 15 of the passage can be accurately closed, and therefore, the risk of the accident of the operator falling from the triangular hole 15, the fall of materials, tools, etc., and the accident of falling can be eliminated. Since the baseboard 20 is erected from the free oblique side, materials, tools, etc. roll on the triangular cloth board 16 by the baseboard and enter the lifting opening 7. Can be prevented from falling onto the lifting pier 4 and can eliminate the risk of accidental falling of materials, tools, etc. from the triangular cloth board 16, and sufficient strength can be secured. In addition, it is possible to eliminate the risk of an unexpected accident due to insufficient strength, eliminate the step, and eliminate the risk of a fall accident. In addition, the engagement hardware 18 and 19 can be easily and easily engaged and disengaged from the horizontal member 8 and the beam member 9, so that it does not take time and effort to reduce the man-hours. it can.
[0017]
According to the second aspect of the present invention, the hook-shaped latch 21 for placing another engagement metal piece 19 on the beam member 9 of the handrail frame 5 from above is provided, and the restraining protrusion 22 is provided at the tip of the hook-type latch. Thus, since the restraining projection piece is restrained by the lower edge of the adjacent cloth board 2, the structure of the other engagement hardware 19 can be made simple and suitable for a narrow space. At the same time, it can be made stable and safe without accidental detachment.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a side view of a main part of a frame scaffold showing a state in which a triangular fabric board for lifting openings of a frame scaffold according to an embodiment of the present invention is incorporated in the frame scaffold.
FIG. 2 is a cross-sectional view taken along the line AA of FIG.
3 is a cross-sectional view taken along the line BB in FIG.
FIG. 4 is a cross-sectional view showing FIG. 2 in another example.
FIG. 5 is a cross-sectional view showing FIG. 3 in another example.
FIG. 6 is an enlarged plan view showing a triangular fabric board for a lifting opening of a frame scaffold according to an embodiment of the present invention.
FIG. 7 is an enlarged front view showing the triangular fabric board.
FIG. 8 is an enlarged side view showing the triangular cloth board.
FIG. 9 is an enlarged perspective view showing the triangular cloth board.
FIG. 10 is an enlarged perspective view of a main part of the frame scaffold showing a state in which the triangular fabric board is incorporated in the frame scaffold.
FIG. 11 is a side view showing a main part of a conventional frame scaffold.
12 is a cross-sectional view taken along the line AA in FIG.
13 is a cross-sectional view taken along the line BB in FIG.
FIG. 14 is a cross-sectional view showing FIG. 12 as another example.
FIG. 15 is a cross-sectional view showing FIG. 13 in another example.
[Explanation of symbols]
1… Portrait frame 2… Cloth board
3… Brace 4… Elevating jetty
5 ... handrail frame 6 ... auxiliary handrail
7 ... Elevating opening 8 ... Horizontal material
9 ... Girder 10 ... Unbiased rail
11 ... Biased handrail 12 ... Handrail
13 ... Pole column 14 ... Reinforcing material
15 ... Triangular hole 16 ... Triangle cloth board
17 ... Triangle fabric board body 18 ... One engagement hardware
19… Other engagement hardware 20… Baseboard
21… Saddle latch 22… Deterrence protrusion
23 ... Drooping piece 24 ... C-shaped latch
25 ... Clasp 26 ... Stud
27 ... Guide slot

Claims (2)

A metal triangular cloth board body 17 is provided in conformity with the triangular hole 15 of the passage corresponding to the end of the lifting opening 7 on the non-lifting opening side, and the horizontal cloth member 8 of the portal frame 1 is provided on the triangular cloth board body. One engagement hardware 18 to be engaged with the horizontal member 8 is provided on one side opposite to the horizontal member 8, and the other side of the handrail frame 5 opposite to the digit member 9 is engaged with the other beam 9 A triangular cloth board for a lifting / lowering opening portion of a frame scaffolding, characterized in that an engagement metal piece 19 is provided and a baseboard 20 is erected on the remaining free hypotenuse. The other engagement hardware 19 is a hook-shaped hook 21 that is placed on the beam 9 of the handrail frame 5 from above, and a restraining protrusion that is restrained by the lower edge of the adjacent cloth plate 2 at the tip of the hook-shaped hook. The triangular cloth board for a lifting / lowering opening of a frame scaffold according to claim 1, wherein the piece 22 is provided in a projecting manner.

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