JPH05287897A - Fabricating method of frame scaffolding and guide fitting for fabrication of frame scaffolding - Google Patents

Abstract

PURPOSE:To make it possible that fabrication and dismantlement/removal of high-rise frame scaffolding are performed with less labor, efficiently and in a short period of time, and also safely with high lift work decreased. CONSTITUTION:Partially fabricated frame scaffolding 1 of one or plural stages are fabricated in a vertical direction or laid down sideways on the ground of the job site, and these partically fabricated frame scaffolding 1 are placed on the ground of an installation section. Further, partially fabricated frame scaffolding 1 of plural stages are fabricated on the ground and lifted above the preceding partially fabricated frame scaffolding 1, and guide fittings 4 that possess trumpet-shaped acceptors 8, 8 at their top ends are previously mounted on the top ends of the pedestal pipes 3 of the lower partially fabricated frame scaffolding 1. And the lower ends of the pedestal pipes 3 of the upper partially fabricated frame scaffolding 1 are fitted in the acceptors 8, 8 of these guide fittings 4, and connected to the joint pins 5 mounted to the top ends of the pedestal pipes 3 while guiding them.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a frame scaffold of a high-rise step and a guide fitting for connecting a column base pipe used for the assembly.

[0002]

2. Description of the Related Art Conventionally, frame scaffolds called "vitamin type frame scaffolds" are sequentially assembled in a lateral direction along a work object such as a building or a structure, and after the lower one row is assembled, the frame scaffolds are sequentially formed in the same manner. It is common to adopt the method of assembling scaffolding.

[0003]

In the above-mentioned conventional assembling method, it is necessary to hoist each assembling component of the frame scaffold and carry it in at each assembling stage as the assembling is performed in the ascending order. Since you will be working in a high place in a place where your feet are narrow, there is always danger,
Further, there is a problem that a lot of labor is required and work efficiency is poor, and a great deal of work period is required.

[0004]

SUMMARY OF THE INVENTION According to the present invention, one or more stages of subassembly framework scaffolds 1 are assembled vertically or horizontally on the ground at the site, and the subassembly framework scaffolds 1 are assembled.
Is installed on the ground of the installation portion, and further, a plurality of stages of subassembly frame scaffolds 1 are assembled on the ground and hung up on the preceding subassembly frame scaffold 1, and at the upper end of the column base pipe 3 of the lower subassembly frame scaffold 1, The guide metal fitting 4 having the trumpet-shaped receiving ports 8 at the upper end is attached in advance, and the guide metal fitting 4
Assembly of the frame scaffold in which the lower end of the column base pipe 3 of the upper part assembly framework scaffold 1 is fitted into the sockets 8, 8 of the upper part and is guided while being guided to the connecting pin 5 attached to the upper end of the column base pipe 3. It proposes a method.

Further, according to the present invention, a trumpet that expands upwardly is provided at the upper end of the insertion guide portion 7 having a half-half sectional shape of a cylinder having an inner diameter slightly larger than the outer diameter of the column base pipe 3 of the framework scaffold. The receptacle 8 having a half-split sectional shape of the mold is integrally provided so that the end faces of the split openings are flush with each other, and the engaging portion 5a of the connecting pin 5 of the column base pipe 3 is provided at the lower end of the insertion guide portion 7. Tightening portion 9 having a half-half sectional shape of a cylinder having an inner diameter substantially equal to the outer diameter of
Are integrally provided so that both split end faces are flush with each other. The present invention proposes a guide scaffold for assembling a frame scaffold, in which a pair of split guide pieces 6, 6 that are installed are fastened and integrated with fasteners 12, 13 such that their fastening plates 10, 10 face each other. is there.

[0006]

[Function] Since the scaffold 1 having one or more stages of subassembly is assembled vertically or horizontally on the ground, it is possible to assemble safely and efficiently without performing work at a high place (particularly remarkable when assembled sideways). Also, since the subassembly scaffolds 1, 1 partially assembled on the ground in this way are lifted by a crane and connected vertically, it is possible to assemble efficiently and in a short time with a small labor force.

The guide metal fitting 4 is provided with trumpet-shaped receiving ports 8, 8 at the upper ends of the split type guide pieces 6, 6 integrally fastened together, and has an inner diameter slightly larger than the outer diameter of the column base pipe 3 below the receiving ports 8, 8. Since the cylindrical insertion guides 7, 7 are provided, the lower end of the column base pipe 3 of the upper subassembly framework scaffold 1 is fitted into the sockets 8, 8 and the lower subassembly framework scaffold 1 It guides to the connecting pin 5 attached to the upper end of the column base pipe 3, and is fitted and connected.

Therefore, when the lower end of the column base pipe 3 is connected to the connecting pin 5 of the column base pipe 3 of the lower partial assembly frame scaffold 1 while the upper subassembly frame scaffolding 1 is being hung. Only one worker is arranged at each side of the framework scaffold 1 and the column base pipes 3 at both side ends thereof are guided and connected to each other, and each column base pipe 3 located in the middle requires the guide operation of the worker. It is possible to automatically inductively connect with the column base pipes 3 at both end portions without the need.

Further, the guide fitting 4 has a lower partial assembling framework by joining a pair of split mold guide pieces 6 and 6 so that their fastening plates 10 and 10 face each other and integrally fastening them with fasteners 12 and 13. Column base pipe 3 in scaffold 1
It can be easily tightened and fixed to the engaging portion 5a of the connecting pin 5, and after the upper and lower column base pipes 3 are connected, they are detached and diverted to another.

Next, when dismantling and removing the installed frame scaffolds, the subassembly frame scaffolds 1 at the upper part are sequentially hung on the ground with a crane and disassembled on the ground.

[0011]

[Examples] In the installation of a high-rise assembly of a frame scaffold, first, a plurality of relatively low-level subassemblies of the frame scaffold 1 are assembled vertically (FIG. 2) or sideways (FIG. 3) on the ground at the site, and this subassembly is assembled. The framework scaffold 1 is installed on the ground above the installation part.

In the case of vertical assembly, it may be directly assembled and installed on the installation portion, and in some cases, the subassembly framework scaffold 1 initially installed on the ground may be a single stage.

Next, similarly to the above, the next-stage subassembly frame scaffold 1 is assembled on the ground, and as shown in FIG. It is hung down to the upper and lower parts to be connected and integrated vertically, and the same steps are sequentially repeated if necessary.

When connecting the upper and lower subassembly framework scaffolds 1, 1, the gate-shaped scaffolding frame 2 of the lower subassembly framework scaffolding 1 is connected.
A guide metal fitting 4 having a trumpet-shaped receiving end at the upper end is previously attached to the upper ends of the left and right pillar base pipes 3, and the upper base of the pillar base pipe 3 of the subassembly framework scaffolding 1 of the upper part is attached to the receiving end of the guide metal fitting 4. The lower end is fitted and connected to the connecting pin 5 attached to the upper end of the column base pipe 3 while smoothly and reliably guiding it.

The guide metal member 4 is constructed so as to be attachable and detachable by joining a pair of split mold guide pieces 6 and 6 together and integrally fastening them.

As shown in FIGS. 5 to 7, the split guide piece 6 is an insertion guide portion 7 having a half split cross section of a cylinder having an inner diameter slightly larger than the outer diameter of the column base pipe 3 of the scaffolding frame 2. At the upper end of the above, there is integrally provided a receptacle 8 having a trumpet-shaped, half-sectional shape that expands upward, so that the split end surfaces 7a, 8a of both are flush with each other. At the lower end of 7, a tightening portion 9 having a split half sectional shape of a cylinder having an inner diameter substantially equal to the outer diameter of the locking portion 5a of the connecting pin 5 of the column base pipe 3 is flush with the split end faces 7a, 9a. It is integrally provided so that.

At least outside the left and right split end faces 7a and 9a of the insertion guide portion 7 and the tightening portion 9, fastening plates 10 and 10 which are flush with each other are provided so as to project symmetrically to the left and right (as shown in the figure). In the embodiment, the fastening plates 10 and 10 are continuously provided from the insertion guide portion 7 to the tightening portion 9).

Bolt holes 11 are formed in the left and right fastening plates 10 at the sides of the insertion guide portion 7 and the tightening portion 9.

In the above structure, when the guide metal fitting 4 is mounted on the column base pipe 3 of the lower subassembly framework scaffold 1, as shown in FIG.
With the fastening plates 10 and 10 facing each other through the connecting pin 5 therebetween, the bolt 12 is passed through the bolt hole 11 to be fastened and integrated with the nut 13, and the fastening portions 9 and 9 facing each other secure the fastening portion of the connecting pin 5. Install by tightening with 5a.

In addition to using the bolts and nuts 12 and 13 as fasteners for fastening the fastening plates 10 and 10, for example, various other fasteners such as clamp fittings used to fasten metal foams for molding concrete objects. May be used.

In this case, as for the guide metal fitting 4, the connecting pin 5 to which the guide metal fitting 4 is attached is inserted into the column base pipe 3, or the guide metal fitting 4 is attached to the connecting pin 5 inserted in the column base pipe 3.

Incidentally, the guide metal fitting 4 is connected to the upper and lower column base pipes 3 by the connecting pin 5 and then detached and diverted to another.

The guide metal fitting 4 mounted on the column base pipe 3 in this manner has a receptacle 8 which is joined to the upper end to form a trumpet shape.
8 is provided, and the insertion guide portions 7, 7 are formed under the same to form a cylinder having an inner diameter slightly larger than the outer diameter of the column base pipe 3.
As shown in FIG. 9, the lower end of the column base pipe 3 of the upper subassembly framework scaffold 1 is fitted into the large-sized trumpet type receiving openings 8 as shown in FIG. 9 as shown in FIG. It is possible to securely fit and connect while securely guiding the connecting pin 5 attached to the upper end of the column base pipe 3 of the lower partial assembly framework scaffold 1.

Therefore, when gradually lowering the upper subassembly framework scaffold 1 and connecting the lower end of the column base pipe 3 thereof to the connecting pin 5 of the column base pipe 3 of the lower partial assembly framework scaffold 1, By placing one worker (two in total) on each side of the upper end of the subassembly framework of scaffolding 1 and guiding the column base pipes 3 at the side ends to the receiving ports 8 and 8. The column base pipes 3 located in the middle are automatically guided and coupled together with the column base pipes 3 at both end portions without requiring a guide operation by a worker.

When dismantling and removing the installed framework scaffolds, the subassembly framework scaffolds 1 in the upper part are sequentially hung on the ground with a crane and disassembled on the ground.

[0026]

As described above, according to the present invention, since one or a plurality of stages of subassembly frame scaffolds are assembled vertically or horizontally on the ground, it is possible to assemble safely and efficiently without performing work at height. Moreover, since the subassembly scaffolds are lifted and connected vertically, it is possible to perform high-layer assembly safely with a small labor, in a short period of time, and with a small amount of work at high places.

Further, when dismantling and removing the installed frame scaffolds, the upper subassembly frame scaffolds can be hung on the ground with a crane in order and disassembled on the ground safely and efficiently.

Further, in the assembly guide fitting, a trumpet-shaped receiving opening is provided at the upper end of the split-type guide piece which is integrally fastened, and a cylindrical shape having an inner diameter slightly larger than the outer diameter of the column base pipe is inserted below the receiving opening. Since the guide part is provided, the pillar of the upper part subassembly framework scaffolding is inserted into the large opening of the trumpet type receptacle of the base pipe and guided to the lower insertion guide, and the pillar of the lower part subassembly framework scaffolding. It is possible to securely fit and connect while securely guiding the connecting pin attached to the upper end of the leg pipe.

Therefore, when the upper subassembly framework scaffolds are suspended and connected to the lower subassembly framework scaffolds, one worker is arranged at each side of the lower subassembly framework scaffolds. Only by inductively connecting the column base pipes at both end parts, each intermediate column base pipe is automatically guided and connected without requiring the guide operation of the worker, thereby achieving labor saving and rationalization of this connecting work. You can

In the assembly guide fitting, the pair of split guide pieces are made to face each other by their fastening plates and are fastened and integrated by a fastener, so that the connecting pin of the column base pipe in the lower subassembly frame scaffolding. The upper and lower column base pipes can be easily detached and diverted to another one, because they can be easily tightened and fixed to the locking portion of the column base pipe.

[Brief description of drawings]

FIG. 1 is a perspective view showing an aspect during assembly of upper and lower subassembly framework scaffolds according to the present invention.

FIG. 2 is a perspective view showing one aspect of ground assembly of the subassembly scaffold according to the present invention.

FIG. 3 is a perspective view showing another aspect of ground assembly of the subassembly scaffold according to the present invention.

FIG. 4 is a partially enlarged perspective view of the subassembly scaffold according to the present invention.

FIG. 5 is a front view of a guide piece that is a component of the guide fitting of the present invention.

FIG. 6 is a plan view of one guide piece which is a component of the guide fitting of the present invention.

FIG. 7 is a plan view of the other guide piece that is a component of the guide fitting of the present invention.

FIG. 8 is a side view showing how the guide metal fitting of the present invention is attached to the connecting pin.

FIG. 9 is a cross-sectional front view showing a state in which a column base pipe is introduced into the assembly guide fitting of the present invention.

FIG. 10 is a cross-sectional front view showing a connected state of a column base pipe introduced into the guide fitting of the present invention.

[Explanation of symbols]

 1 Partial assembly frame scaffold 2 Gate type scaffolding frame 3 Pillar pipe 4 Guide fitting 5 Connecting pin 5a Locking part 6 Split guide piece 7 Insertion guide 7a Split end face 8 Receptacle 8a Split end face 9 Fastening part 9a Split end face 10 Fastening plate 11 Bolt hole 12 Bolt 13 Nut

[Procedure amendment]

[Submission date] July 4, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] Figure 8

[Correction method] Change

[Correction content]

[Figure 8]

Claims (2)

[Claims] 1. A single or multiple-stage subassembly framework scaffold is assembled vertically or horizontally on the ground above the site, and this subassembly framework scaffold is installed on the ground of the installation portion, and further multiple stages of subassembly framework scaffolding are provided. Assemble on the ground and hang it up on the preceding subassembly framework scaffold, and attach a guide fitting with a trumpet-shaped receiving end at the upper end to the upper end of the column base pipe of the lower partial assembly framework scaffold beforehand. A method for assembling a frame scaffold, characterized in that a lower end of a column base pipe of the upper part subassembly frame scaffold is inserted into a receiving port and guided and connected to a connecting pin attached to an upper end of the column base pipe. 2. A half of a cylinder having an inner diameter slightly larger than the outer diameter of the column base pipe of the framework scaffold, and a trumpet-type half of which expands upwardly at the upper end of the insertion guide part having a half-section shape. A cylinder having an inner diameter substantially equal to the outer diameter of the locking portion of the connecting pin of the column base pipe is provided at the lower end of the insertion guide portion integrally with a receiving opening having a half-section shape so that the end faces of the split opening are flush with each other. The two tightening sections each having a half-sectional shape are integrally provided so that the end faces of the two split openings are flush with each other, and at least the outer sides of the split guide end surfaces of the insertion guide section and the tightening section are flush with each other. A guide metal fitting for assembling a frame scaffold, characterized in that a pair of guide pieces, which are formed by protruding right and left fastening plates from each other, are integrally fastened by a fastener so that the fastening plates face each other.