JP3865422B2 - Temporary passage - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a temporary passage in which a horizontal beam is provided in the direction of the passage at the projecting ends of a plurality of horizontal steel members of a building under construction, and a scaffold plate is held thereon.
[Prior art]
During construction of the building, a scaffold is built outside the building for work on the outer wall, and a scaffold plate is fixed horizontally to the scaffold for transporting materials to form a temporary passage. In such a temporary passage, a scaffold is assembled by connecting and fixing pipe members with clamps, and a scaffold plate is sequentially placed between the horizontal pipes of the scaffold to form a temporary passage.
[0003]
[Problems to be solved by the invention]
In the above-described conventional temporary passage, a scaffold is assembled with pipes, and a scaffold plate is hung over a horizontal member of the scaffold to form a temporary passage. There is a problem that a lot of manpower is required to assemble the scaffold.
Therefore, the present invention aims to make it possible to easily provide a temporary passage around a building under construction even when there is no space for assembling a scaffold with pipes, and to easily and easily install a temporary passage. And
[0004]
[Means for Solving the Problems]
The present invention is a temporary passage temporarily provided at the protruding end portions of a plurality of horizontal steel members of a building under construction, and achieves the above object. The temporary passage is mounted on a plurality of horizontal beam members supported at a passage width interval along the protruding end portion of the horizontal steel material and a pair of horizontal beam members arranged at the passage width interval at a right angle to the longitudinal direction. A scaffolding plate support member having sandwiching portions for sandwiching the upper ends of the horizontal beam members at both ends, and having a support surface for the scaffolding plate on the central upper surface, and a plurality of scaffolding plate support members supported by the scaffolding plate support member Consists of scaffolding board.
The scaffolding plate support member is disposed between a pair of horizontal beam members arranged at a passage width interval and has a quadrangular frame structure having a support surface of the scaffolding plate on the upper surface, and both end protrusions projecting on both sides from the upper side of the frame; It is comprised from the latching piece protruded below from the said both-ends projection part, and provided with support | pillar support material in the upper both ends of a square-shaped frame so that a handrail could be hold | maintained. Both ends of two adjacent horizontal beam members arranged in the longitudinal direction can be fixed to the protruding end portion of the horizontal steel material with a fixing bracket, and the fixing bracket is configured to be detachable from the upper flange of the horizontal steel material.
Further, the horizontal beam material can be configured to be extendable and contractible in the longitudinal direction so that it can be aligned with the end of the horizontal steel material of the building under construction.
[0005]
The temporary passages described above are arranged such that horizontal beams are arranged in two rows in the passage width interval by fixing the end portions of the horizontal beam members along the protruding end portions of a plurality of horizontal steel materials that support the floor of the building under construction. The scaffolding plate support member is disposed between the pair of horizontal beams, and the upper portions of the horizontal beam members are clamped by the both-end clamping portions. Further, a temporary passage can be provided on the outer periphery of the building by spanning a rod-shaped support member between the horizontal beam members on both sides and spanning the scaffold plate on the support member and the scaffold plate support member. Note that the rod-shaped support member does not necessarily have to be spanned between a pair of horizontal beams. In this case, the scaffold plate is supported by the scaffold plate support member. In this way, by supporting the temporary passage on the protruding end of the horizontal steel material of the building, even if there is no space for assembling the scaffold around the building, the temporary passage can be provided, and the work is also a conventional example in which the scaffold is assembled. It is easy to compare.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the temporary passage according to the present invention will be described with reference to FIGS.
The temporary passages are provided along the protruding end portions 1 of a plurality of horizontal steel materials (for example, I-shaped steel) that support the floor of the building under construction, and are fixed to the protruding end portions 1 of the horizontal steel materials in two rows at a passage width interval. A horizontal beam member 2 to be fixed, a scaffolding plate support member 3 and a rod-like support member 4 fixed between the pair of horizontal beam members 2, and a scaffold supported by the scaffolding plate support member 3 and the rod-like support member 4 It consists of a plate 5.
[0007]
As shown in FIG. 1, the horizontal beam member 2 has two long steel members 2a on the upper and lower sides connected by a connecting member 2b in a truss shape, and is connected to both ends of the upper long steel member 2a at the protruding ends of the horizontal steel member. Holes for fixing the part 1 with bolts are provided. And as shown in FIG.1 (b), the fixing metal fitting 6 is mounted on the protrusion end part 1 of a horizontal steel material, and also the both ends of the adjacent horizontal beam material 2 arrange | positioned in a longitudinal direction are mounted on it, and it is bolt 7 It comes to be connected by. The fixing bracket 6 is provided with a locking piece 6a to be locked to a flange of I-shaped steel on one side, and a locking piece 6b is provided on the other bracket so as to be rotatable around a shaft 6c. The fixing bracket 6 can be fixed to the protruding end 1 by fixing the locking piece 6b with the pin 6d in a state in which is fixed to the flange.
Further, the upper and lower two long steel materials 2a are both divided into a center portion 2c and both end portions 2d, and both end portions are configured to be slidable with respect to the center portion. An appropriate number of holes 2e are provided at appropriate intervals in the overlapping portion of the central portion 2c and both end portions 2d, and the length is fixed by passing the pins 2f with the holes aligned at appropriate positions. The both ends of the horizontal beam 2 can be adjusted to the positions of the protruding end portions 1 of the horizontal steel material. As shown in FIG. 2, the horizontal beam member 2 is arranged in a state of being shifted inward and outward so that both end portions 2d can slide relative to the central portion 2c.
[0008]
The scaffolding plate support member 3 disposed at a right angle to the longitudinal direction of the horizontal beam 2 has protrusions 3b on both sides of the upper side of the rectangular frame 3a disposed between the pair of horizontal beam members 2 disposed at a passage width interval. Further, the locking piece 3c protrudes downward from the tip of the protruding portion 3b, and the upper ends of the frame 3a, the protruding portion 3b on the outside and the locking piece 3c constitute a holding portion. By sandwiching the upper portion of the horizontal beam member 2 with the holding portion, the scaffolding plate support member 3 can be fixed to the pair of horizontal beams 2 and the pair of horizontal beam members 2 can be held at a predetermined interval. Yes. In addition, the upper surface of the frame 3a of the scaffolding plate support member 3 is a support surface of the scaffolding plate, and a reinforcing material 3d is provided as a short part of the rectangular frame. Further, in order to fix the scaffolding plate support member 3, it may be fixed to the horizontal beam member 2 with bolts in addition to the holding portion.
In addition, the scaffolding plate support member 3 is provided with column support members 8 that support handrail columns at both upper ends of the frame 3a, and two column support members 8 are provided on both sides of the frame frame 3a with the column support members 8 sandwiched between them. A handrail strut can be inserted and held therein, and the strut support member 8 protrudes above the upper side of the frame 3a so that the scaffold plate 5 described later can be prevented from moving laterally at that portion.
[0009]
As shown in FIG. 4 (b), the rod-shaped support member 4 is provided between the upper portions of a pair of horizontal beam members 2 provided with downward protruding pieces 4a at both ends and arranged at a passage interval. By fixing 4a to the horizontal beam with a bolt, a plurality of 4a are arranged at appropriate intervals as shown in FIG. Further, as shown in FIG. 4, the pair of horizontal beam members 2 arranged at the passage interval are connected by a connecting member 9 in an X shape so that two rows of horizontal beam members 2 can be held at a predetermined interval. . Then, the two hooks 5a of the scaffold plate 5 shown in FIG. 5 are locked to the two support members 4, so that the scaffold plates 5 can be spanned in, for example, three rows in the longitudinal direction of the horizontal beam 2. 4 is formed in each columnar shape, it is possible to apply a cross-sectional rod such as a round bar on which the hook 5a of the scaffold plate 5 can be easily hung. In addition, the scaffold plate 5 is arranged in a state of covering the scaffold plate support member 3 while being supported by the rod-shaped support material 4, and the scaffold plate 5 is also supported by the upper surface of the scaffold plate support member 3.
[0010]
When each member forming the temporary passage is used to provide a temporary passage around the outer wall of the building under construction, the horizontal beam member 2 is provided along the protruding end portions 1 of the plurality of horizontal steel members of the building under construction. It arrange | positions at a path | route space | interval in 2 rows, and it fixes as shown in FIG.1 (b) with a fixing metal fitting. In that case, the length is adjusted so that both ends of the horizontal beam material 2 correspond to the positions of the protruding end portions 1 of the horizontal steel material, and the length is fixed by the pin 2f. Next, a plurality of scaffolding plate support members 3 are arranged at appropriate intervals between the pair of horizontal beam members 2, and the sandwiching portion of the scaffolding plate support member 3 is sandwiched and fixed on the upper part of the horizontal beam member 2. In addition, rod-like support members 4 are arranged on the pair of horizontal beam members 2 at appropriate intervals so as not to coincide with the positions of the scaffolding plate support members 3 and fixed with pins or bolts. Next, hooks 5a at both ends of the scaffold plate 5 are engaged with the rod-shaped support member 4 to form a passage. Furthermore, handrails can be provided on both sides of the temporary passage by inserting and fixing handrail struts to the strut support members 8 of the scaffold plate support member 3. In this way, a temporary passage can be provided around the building under construction.
In the above description, the scaffolding plate 5 is supported by the scaffolding plate support member 3 and the rod-shaped support member 4. The scaffolding plate 5 is supported by being locked to the upper part of the base plate.
[0011]
【The invention's effect】
In the temporary passage of the present invention, the horizontal beam material is attached to the protruding end portion of the horizontal steel material of the building under construction, and the scaffolding plate is stretched along the longitudinal direction thereof, so that the space for assembling the scaffolding on the outer periphery of the building Even if there is no temporary passage, it is possible to provide a temporary passage. In addition, the horizontal beam can be easily fixed to the protruding end of the horizontal steel material with a fixing bracket, and the scaffolding plate support material can be fixed simply by placing it on a pair of horizontal beam materials, and the temporary passage can be easily assembled. Good workability.
[Brief description of the drawings]
FIG. 1A is a side view of a temporary passage of the present invention before placement of a scaffolding plate, FIG. 1B is an enlarged side view showing a connecting portion of a horizontal beam material, and connection of a horizontal beam material; It is an enlarged plan view (c) which shows the plane of a part.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a perspective view of a scaffold plate support member.
FIG. 4A is a plan view of a state in which a rod-shaped support member is disposed on a pair of horizontal beam members disposed at a passage interval, and FIG. 4B is a perspective view of the rod-shaped support member.
FIG. 5 is a perspective view of a scaffold plate.
[Explanation of symbols]
2 Horizontal beam material 3 Scaffold plate support member 4 Support material 5 Scaffold plate 6 Fixing bracket 8 Prop support material

Claims (3)

It is a temporary passage that is temporarily installed along the protruding ends of a plurality of horizontal steel members of a building under construction,
A fixing fitting placed on the protruding end of the horizontal steel material ;
A plurality of horizontal beam members connected to the fixing bracket by bolts and supported by the protruding end portions of the horizontal steel material through the fixing bracket at a passage width interval;
A pair of horizontal beam members arranged at a passage width interval are mounted on a right angle to the longitudinal direction of the horizontal beam members, and sandwiching portions for sandwiching the upper ends of the respective horizontal beam members at both ends and supporting the scaffolding plate on the central upper surface. A scaffolding plate support member having a surface;
A plurality of scaffold plates supported by the scaffold plate support member ;
A locking piece locked to the flange portion of the horizontal steel material is provided on one side of the fixing bracket, and a locking piece locked to the flange portion of the horizontal steel material is rotatable to the other side of the fixing bracket. A temporary passage provided, wherein the fixing bracket can be attached to and detached from the flange of the horizontal steel material .   The scaffold plate support member is disposed between a pair of horizontal beam members arranged at a passage interval, and has a quadrangular frame structure having a support surface of the scaffold plate on the upper surface, both projecting portions projecting on both sides from the upper side of the frame structure, The temporary passage according to claim 1, wherein the temporary passage is composed of a locking piece protruding downward from both end protrusions, and a support member for a handrail is provided at both upper ends of the rectangular frame. The temporary passage according to claim 1 or 2 , wherein the horizontal beam is configured to be extendable and contractible in a longitudinal direction.

Images