JP2657577B2 - Large roof self-elevating device for construction work and method of constructing middle and high-rise building - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a large-roof self-elevating device for construction work and a method for constructing a middle / high-rise building, and particularly to a construction work for facilitating automation of construction work. The present invention relates to a large-roof self-elevating device and a method for constructing middle- and high-rise buildings.

<Conventional technology> Various work robots, for example, plastering robots for finishing floor concrete, and interior / exterior wall panels are built for the purpose of responding to the shortage of workers in construction work and improving productivity and safety. Robots, concrete casting robots,
A ceiling board sticking robot, a reinforcing rod assembling robot, and the like have been developed. However, these robots can only perform a single task on behalf of a worker, so there is no total benefit when considering the productivity of the entire building, and the tasks performed by each robot independently Needs to be performed by a human, the work by the robot and the worker coexist, resulting in danger.

On the other hand, as a method of improving the productivity of building construction by using robots, the construction of a building construction system itself that assumes the introduction of robots has been proposed. One example is a fully automatic building construction system (Obayashi Corporation). it can. This system builds up a building assembly factory with various robots on the ceiling surrounded by a roof and walls, while lifting up a building assembly that supports the same number of telescoping cylinders attached to the same number of columns as the main building. Is to build. Here, the lift-up process of the building assembling factory, that is, the process of assembling the pillars, is schematically shown in FIGS.

(A) is a process of jacking up the assembly factory 50 by the telescopic jack 51, (b) is a process of shrinking one of the telescopic jacks 51 and erection of the main pillar 52, and (c) is the same as (b). (D) Step of attaching beam 53, (e) Step of joining beam 53, (f) Step of jacking up after completion of one floor assembly ,.

<Problems to be Solved by the Invention> However, the lift-up method in the conventional building construction system uses a steel structure (hereinafter referred to as S) in order to support the load above the telescopic jack 51 at the upper end of the existing main pillar 52. Construction), but it is suitable for the construction of reinforced concrete (RC) and reinforced concrete (RC)
C), concrete-filled tube steel frame (CFT)
However, there is a problem that it is not applicable to buildings such as those described above because it takes time to harden the concrete of each column.
Also, while the main pillar 52 is being built, the telescopic jack 51 in that part cannot support the load, so the balance will be worse,
For this reason, there is a problem that safety is poor.

Therefore, the present invention has been made to solve the above problems, and its purpose is not only for S-structures but also for RC structures, SRC structures.
Large roof self-elevating device for building work suitable for a building construction system that can be applied to a wide range of buildings such as It will not provide a method for building mid-rise or high-rise buildings.

<Means for Solving the Problems> The present invention has been made in view of the above-mentioned object, and the gist of the present invention is that a large roof covering the upper part of a building and a pillar of an existing building for supporting the large roof are provided. And a column that forms a working space between the large roof and the existing building, and a lower end of the column is provided with a telescopic device for raising the large roof. In the upper and lower ends of the telescopic device, gripping means for gripping the pillars of the existing building from the lateral direction to receive a reaction force are separately provided, and the telescopic device is
The large-roof self-elevating device for construction work in which the length of itself is extensible, whereby the separation length of the gripping means provided at the upper and lower ends of the telescopic device is variable.

Here, the existing building refers to the planned middle / high-rise building,
This refers to the structure of the already constructed portion located below the building for the predetermined floor to be constructed during or from now on.

Further, another gist of the present invention is that a first gripping means is provided at an upper end of a telescopic device which is continuously provided at a lower end portion of a column for supporting a large roof, and has a length that can be expanded and contracted, A step of gripping a column of an existing building from the side with a second gripping means located at the lower end thereof and receiving a reaction force, releasing the first gripping means, and reacting by the second gripping means; A step of extending the length of the telescopic device itself and raising the large roof while receiving the same, and when the large roof is raised to a predetermined height, gripping the pillars of the existing building with first gripping means; The second gripping means is released while receiving a reaction force by the first gripping means, the length of the telescopic device itself is contracted, the second gripping means is moved upward, and the existing building is re-established. A step of gripping the pillars, and repeating each of the above-described steps sequentially to form a large roof and an existing building. In construction method in high-rise buildings for performing the construction of a building in the working space between.

<Operation> In the present invention, the large roof covering the upper part of the building is supported by a plurality of columns to form a work space between the building and the existing building, and the building for a predetermined floor is constructed here. Each of the pillars is provided at a position corresponding to a pillar of an existing building,
The gripping means located above and below the telescopic device grip the columns of the existing building from the side and receive a reaction force. In this case, by grasping the pillars several floors below, rather than the top floor of the existing building and receiving the reaction force from this, it is possible to quickly obtain the reaction force from the sufficiently hardened pillar even for concrete columns such as RC structures. Can be. After constructing a building for a predetermined floor in the working space, the upper gripping means is released, and the telescopic device is extended while receiving a reaction force by the lower gripping means to raise the large roof. Here, if all the pillars are controlled to extend at the same time, the large roof can be raised in a well-balanced manner. After the large roof is raised and a working space is formed between the building and the existing building, the building for the predetermined floor is constructed again. At this time, the upper gripping means is fixed to the column of the existing building, thereby releasing the lower gripping means while receiving the reaction force, and further moving the lower gripping means upward by contracting the expansion / contraction device. And secure it again to prepare for the next ascent of the large roof.

<Example> Next, an example of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the large roof self-elevating device 10 is composed of a large roof 11 and a plurality of columns 12 supporting the large roof.

The large roof 11 covers the part where the construction of the planned middle / high-rise building has been completed, that is, the upper part of the existing RC building 13, and supports the pillar 12.
Thereby, a work space 14 for constructing a building for one floor is formed between the building 13 and the existing building 13. The large roof 11 is composed of a beam group 15 and a membrane structure 16, and a traveling rail 18 is mounted vertically and horizontally below the beam group 15, that is, on the ceiling of the work space 14, and a robot for various operations, that is, a ceiling robot 17 is provided. Along the entire working space 14. Ceiling robot
17 include, for example, a marking robot, a formwork building robot, a concrete placing robot, a formwork dismantling robot, a Kaiser plate laying robot, a reinforcing bar suspension / joining robot, and the like. And hands are equipped. These ceiling robots 17 are controlled by commands from a control room 19 provided on the beam group 15.

The support 12 supports the large roof 11 and the large roof 11 and the existing building 13
Has a sufficient length to form a working space 14 between the upper end and the upper end thereof is attached to the beam set 15 of the large roof 11, and a lower portion thereof has a telescopic device 20 such as a hydraulic cylinder,
An upper-stage gripping unit 21 located above the lower stage 20 and a lower-stage gripping unit 22 located below the upper stage 20 are provided. Prop 12 is an existing building
In principle, the same number and the same span as the outer pillars 23 are provided at positions corresponding to the outer pillars 23 arranged on the outer peripheral portion of the thirteen. Then, the upper holding means 21 and the lower holding means 22 each grip the outer column 23 from the side and receive a reaction force. Here, the gripping means 21 and 22 do not grip the pillar on the top floor of the existing building 13 but instead are several floors lower. In this embodiment, the upper gripping means 21 is the outer pillar 23 which is three floors below the top floor.
The lower gripping means 22 grips the outer pillar 23 five floors below, so that a reaction force is obtained from the RC outer pillar 23 that has hardened and has reached a sufficient strength. A stable supporting force can be obtained.

In a work space 14 between the large roof 11 supported by the columns 12 and the existing building 13, a building for one floor is constructed using various ceiling robots. That is, the jointing of the reinforcing bars such as columns, beams, and slabs, the casting of concrete, and the finishing of plasterers are performed in the work space 14 in the field, while the exterior panels, partition walls, ceiling boards, floor Kaiser boards, and the like are assembled in the work space 14. . These various materials and members are lifted from the ground by a lifting machine installed in a part of the large roof 11.
Lift to 14.

After the construction of the building for one floor is completed, the large roof 11 is raised to create a work space for the next upper floor. To raise the large roof 11, as shown in FIGS.
From the state (a) under construction of the building, the upper gripping means 21 of each column 12 is released, and the telescopic device 20 is extended while supporting the load by the lower gripping means 22 to raise the large roof 11. At this time, by controlling each of the expansion and contraction devices 20 so as to expand them all at once, it is possible to perform the climbing safely in a well-balanced manner.
After ascending to a predetermined height, the outer pillar 23 of the existing building 13 is gripped and fixed by the upper gripping means 21, whereby the large roof 11
It receives the reaction force to support the load of (2). Next, the lower stage gripping means 22 is released, the telescopic device is contracted, the lower stage gripping means 22 is moved, the outer pillar 23 is gripped and fixed again, and the large roof 11 is raised for construction of the next floor. Prepare (c).

Thus, the construction of a building for one floor by various ceiling robots 17 and the large roof for securing the next work space
The building is continuously built toward the upper floor by repeating the ascent of 11 floors. After constructing the building on the predetermined floor, the large roof 11 is used as the top floor of the building.

Here, as the gripping means 21 and 22, for example, as shown in FIG. 3, there can be cited those comprising a support column mounting member 24 and a gripping member 25. The gripping member 25 is a column mounting member
It pivots on 24 and opens and closes with hydraulic pressure. In addition, the gripping member 25
Are fitting portions 26 that match the cross-sectional shape of the outer pillar 23 that is a square pillar.
When the gripping member 25 is closed by hydraulic pressure, the outer column 23 is reliably gripped.

In the present embodiment, the case where the present invention is applied to a RC building is shown, but the present invention is not limited to this.

<Effect of the Invention> According to the present invention, there is provided a large roof and a column provided with a telescopic device for supporting the large roof, and the column receives a reaction force by gripping a column of an existing building from the side. Therefore, it is possible to obtain reaction force from pillars several floors below, so it can be applied to a wide range of buildings such as RC, SRC, CFT, etc. Can be supported, and the large roof can be safely lifted in a well-balanced manner.

In addition, since the same steps are repeated and work is sequentially advanced upward while securing a work space by extending and retracting the columns, automation of the operation is easy, and automation of the work in combination with other work robots, Labor shortages can be compensated by unmanned operations. Furthermore, if the structures of all floors are made identical and the members are prefabricated, the construction process of each floor can be standardized, and a building with excellent construction accuracy can be constructed at lower cost.

Furthermore, since the work space is covered with a large roof, it is not affected by the weather, and it also plays a role of sound insulation and does not hinder the surrounding environment, so it is possible to work 24 hours,
The construction period can be significantly reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an outline of a large roof self-elevating device for construction work, FIGS. 2 (a) to (c) are explanatory views showing a situation in which a large roof is raised by the present invention, and FIG. 4 (a) to 4 (f) are simulated views showing steps of lifting up in a conventional building construction system. 10… Large roof self-elevating device for construction work, 11… Large roof, 12…
... pillars, 13 ... existing buildings, 14 ... working space, 20 ... telescopic devices, 21, 22 ... gripping means, 23 ... outer pillars.

Continuation of front page (72) Inventor Hitoshi Sugiura 2-5-8 Kitaaoyama, Minato-ku, Tokyo Intra-company group (56) References JP-A-4-118438 (JP, A)

Claims (2)

(57) [Claims] A large roof covering an upper part of a building, and a predetermined space corresponding to a pillar of the existing building for supporting the large roof, and a work space is provided between the large roof and the existing building. A column is formed, and a telescopic device for raising the large roof is continuously provided at a lower end of the column, and upper and lower ends of the telescopic device are provided with columns of the existing building to receive a reaction force. A gripping means for gripping from the lateral direction is separately provided, and the telescopic device is formed so that the length of the telescopic device itself can be expanded and contracted, whereby the separation length of the gripping means provided at the upper and lower ends of the telescopic device is reduced. Variable roof self-elevating device for construction work. 2. A first gripping means which is connected to a lower end of a pillar for supporting a large roof and which is located at an upper end of a telescopic device whose length is extendable and contractable, and which is located at a lower end thereof. A step of gripping a column of an existing building from the side with a second gripping means and receiving a reaction force; and releasing the first gripping means and performing the expansion and contraction while receiving the reaction force by the second gripping means. Elongating the length of the device itself to raise the large roof, and when the large roof is raised to a predetermined height, gripping the pillars of the existing building with first gripping means; Releasing the second gripping means while receiving the reaction force by the means, contracting the length of the telescopic device itself, moving the second gripping means upward, and gripping the column of the existing building again The above steps are sequentially repeated to perform the work between the large roof and the existing building. How to build in high-rise buildings for performing the construction of a building between.