JPH11229616A - Scaffolding-free construction method and its equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a scaffolding-free construction method and a device capable of constructing the outer periphery of a structure without scaffolding with a simple device and method. According to a construction method of a structure in which a roof structure has an iron plate finish, after constructing a structure body, a receiving beam of a gondola rail is installed outside the structure body, and a gondola is suspended via the receiving beam. It is a non-scaffolding method characterized by moving the gondola vertically and horizontally, and a receiving beam for suspending the gondola, a trolley unit for moving the gondola vertically, and moving the gondola horizontally. It is a device of the non-scaffolding method characterized by comprising a traversing chain.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding-free construction method and an apparatus for a structure having an iron plate roof structure.

[0002]

2. Description of the Related Art When constructing a steel frame structure, a work scaffold is set up from the ground on the outer periphery of the steel frame after completing the steel frame work.
Exterior wall construction was being performed. In addition, when maintenance work such as repair of the outer wall is to be performed several years after the completion of the outer wall construction and the like, a work scaffold must be assembled from the ground again on the outer periphery of the structure, and the maintenance work and the like must be performed.

However, this method has the following problems. If there is not enough space on the outer periphery of the structure to assemble a work scaffold, inefficient dangerous work must be performed in a narrow place. Each time maintenance work such as repair of exterior walls is performed, scaffold assembly work must be performed.

[0004] In order to solve the above problem, there is a method of installing a gondola rail on the roof of a structure and suspending the gondola on the outer periphery of the structure to use a non-scaffolding method. However, if the roof structure of the structure is an iron plate finish, the gondola rail installed on the roof will be an obstacle, and if maintenance work such as outer wall repair is performed after the structure is completed, the iron plate roof will be an obstacle, and Rail installation was not possible.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems, and a non-scaffolding construction method capable of constructing the outer periphery of a structure without using a simple device and a simple method. It is intended to provide a device.

[0006]

After constructing the structure main body, the receiving beam of the gondola rail is installed so as to protrude outward from the structure main body, the gondola is suspended via the receiving beam, and the gondola is moved vertically and horizontally. It is a non-scaffolding method characterized by moving in a direction, and a receiving beam for suspending a gondola,
A trolley unit that moves the gondola vertically,
A non-scaffolding method device, comprising a traversing chain for moving a gondola in a horizontal direction.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

<A> Overall Configuration FIG. 1 is a side view showing the construction of a scaffoldless construction method according to the present invention. The device of the scaffoldless construction method includes a receiving beam 2 for suspending the gondola 1, a trolley unit 3 for moving the gondola 1 in the vertical direction, and a traversing chain 4 for moving the gondola 1 in the horizontal direction.

<B> Gondola 1 The gondola 1 is a box-shaped workbench which has been used in the past.
And hanging wires 5 are provided.

<C> Receiving Beam The receiving beam 2 is made of, for example, I-section steel or the like.
Are welded and fixed at predetermined intervals so as to project outward. The receiving beam 2 has a structure in which a shed bundle 12 is interposed between the purlin 10 and the beam member 11 of the structure body S, and is welded and fixed to the receiving beam 2 in order to reinforce the mounting portion.

<D> Rail A rail 6 made of H-shaped steel or the like is provided on the lower surface of the tip of the receiving beam 2.
Are welded and fixed along the outer peripheral surface of the structure body S.

<E> Traveling Wheel, Sheave A traveling wheel 7 is mounted on the surface of the rail 6, and a sheave 8 attached to the traveling wheel 7 by an arbitrary method is suspended below the rail 6.

<F> Suspension Wire The suspension wire 5 is wound around the sheave 8 and the lifting motor 9 installed in the trolley unit 3 described later is operated.
The gondola 1 is moved in the vertical direction.

<T> Trolley unit The trolley unit 3 includes a lifting motor 9 and a rail 6
The gondola 1 is connected to the suspension wire 5 via the upper traveling wheel 7 and the sheave 8 and is moved vertically by the operation of the elevating motor 9.

<H> Traversing Chain The traversing chains 4 are installed at both longitudinal ends of the gondola 1 and mesh with the gear shafts of the traveling wheels 7 to move the gondola 1 in the horizontal direction. In this embodiment, the motor is of a manual type, but may be of an electric type using a motor.

[0016]

The construction method of the scaffoldless construction method according to the present invention will be described below.

<A> Installation of Gondola and Trolley Unit FIG. 2 is a front view showing a state in which the gondola 1 and the trolley unit 3 are fixed to a temporary wire 13 hanging down from the rail 6. As a method for installing the gondola 1 and the trolley unit 3, for example, a method using a truck crane may be considered, but in this embodiment, the temporary wire 1 is used.
3 installation method. The temporary wire 13 is fixed to the gondola 1 placed on the ground (GL), and then the trolley unit 3 is loaded on the gondola 1.

<B> Attaching Trolley Unit FIG. 3 is a front view showing a situation where the trolley unit 3 is attached to the rail 6. The gondola 1 is wound up near the rail 6 by the temporary wire 13, the hanging wire 5 is attached to the trolley unit 3 loaded on the gondola 1, and the temporary wire 13 is removed.

<C> Movement of gondola FIG. 4 shows a structure main body S by a scaffolding method according to the present invention.
It is a front view which shows the situation which is performing the outer wall construction. By operating the lifting / lowering motor 9 in FIG.
Can be moved in the vertical direction. The gondola 1 can be moved in the horizontal direction by operating the traversing chain 4. By moving the gondola 1 in the vertical and horizontal directions, maintenance work and the like of the outer wall panel P and the outer wall can be safely performed without a scaffold.

[0020]

Since the present invention has been described above,
The following effects can be obtained. <A> Even if the roof structure of the structure is an iron plate finish, the installation of the receiving beam and the rail can be used as a non-scaffolding method using a gondola. <B> Gondolas can be used safely without scaffolding even for exterior wall maintenance work after the work is completed. <C> Since the components of the device may use existing products, it is economical. <D> Since there is no need to assemble the scaffold from the ground, construction can be performed efficiently even in a narrow site.

[Brief description of the drawings]

FIG. 1 is a side view showing a construction state of a scaffoldless construction method according to the present invention.

FIG. 2 is a front view showing a state in which a gondola and a trolley unit are fixed to a temporary wire.

FIG. 3 is a front view showing a situation where the trolley unit is mounted on a rail.

FIG. 4 is a front view showing a state in which exterior wall construction is being performed.

Claims (2)

[Claims] Claims: 1. A construction method for a structure having a steel plate-finished roof structure, comprising: constructing a main body of a structure, installing a receiving beam of a gondola rail outward from the main body of the structure, and installing the gondola via the receiving beam. A non-scaffolding method characterized by suspending and moving a gondola vertically and horizontally. 2. An apparatus of a scaffoldless construction method, comprising: a receiving beam for suspending a gondola, a trolley unit for moving the gondola in a vertical direction, and a traversing chain for moving the gondola in a horizontal direction.