JPH07166634A - System ceiling and its execution method - Google Patents

Abstract

PURPOSE:To incorporate and unitize an illuminator, an air-conditioning equipment, a disaster preventive equipment and other ceiling accessory equipments detachably into the grid of a unit ceiling backing frame in a manner that the positions of mounting can be varied. CONSTITUTION:Each of a large number of unit ceiling backing frames (11) framed and unitized to grids (G) having constant size is hung down from ceiling slabs (20), and the mutually adjacent unit ceiling backing frames (11) are coupled while illuminators, air-conditioning equipments, disaster preventive equipments, broadcasting equipments and other ceiling accessory equipments (12) are incorporated and unitized detachably into the grids (G) of the unit ceiling backing frames (11) in a manner that the places of mounting can be changed. A system ceiling is determined so that array patterns, in which the ceiling accessory equipments (12) are changed variably, are acquired by altering the mounting and dismounting of the ceiling accessory equipments (12) and the positions of mounting thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system ceiling and its construction method.

[0002]

2. Description of the Related Art Generally, a ceiling base of a building is cut and processed for site alignment and attached to a hanger that hangs from a ceiling slab. In the ceiling, lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other equipment are installed. Due to the installation of ceiling accessories, there are also congested work by different industries.

In such construction, a temporary scaffolding is installed at the work site, and an operator on the scaffolding can attach the above-mentioned ceiling base material and a single component of the accessory equipment from another worker on the floor surface. It is necessary to receive it or move the temporary scaffold according to the progress of the work to access the mounting position.

For this reason, the workability is extremely poor, the construction quality is inferior in stability, and an upward and unnatural work posture is compelled, which poses a serious danger. As measures against such a problem, Japanese Patent Laid-Open No. 1-169037 has already been proposed.

[0005]

However, in the above-mentioned known invention, since the entire ceiling substrate corresponding to one floor of the building is lifted by the workbench and the lifter, the workbench of the large size is used. In addition to requiring a strong lifter, it is also difficult to stably raise the entire ceiling base.

Even if the workbench is lifted by the lifter, a separate stepladder or ladder is required to mount the supported ceiling base or ceiling equipment on the hanging jig. I have to work,
Not only is it still dangerous, but it is possible that the worker's hands will not reach the ceiling substrate and every corner of the ceiling equipment.

[0007] Furthermore, if the assembly work of the ceiling base and the ceiling equipment can be performed in a comfortable posture standing on the floor, then the ceiling base and the ceiling equipment themselves are no different from the conventional ones, and they are aligned with the site. It is necessary to perform a cutting process as described above and a complicated assembling work using a single-piece member.

That is, in the case of the above-mentioned known invention, the conventional ceiling substrate and the ceiling equipment can be assembled on the floor surface of the work site, and then can be raised by mechanical force. The method of assembling the ceiling equipment for this is not a unit unit. Therefore, it cannot be applied to the system ceiling as it is.

[0009]

SUMMARY OF THE INVENTION The present invention improves the problems of the publicly known invention as described above, and is intended for system ceilings only, and a unit ceiling base frame integrated into a grid of a certain size in terms of its configuration. A large number of each of them are hung from the ceiling slab to connect adjacent unit ceiling base frames to each other, and lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, etc. in the grid of the unit ceiling base frame. The ceiling accessory is detachable and the mounting position is changeable to form a unit. By changing the attachment and detachment and the mounting position, it is determined that various changing array patterns of the ceiling accessory can be obtained. 1 features,

Similarly, in terms of the system ceiling structure, a large number of unit ceiling base frames, which are frame-integrated in a grid of a fixed size, are hung from the ceiling slab to each of them, and the adjacent unit ceiling base frames are connected to each other. In addition to connecting, lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other ceiling accessory equipment can be detachably installed in the grid of the unit ceiling base frame, and the mounting position can be changed to a unit.
The whole space that will be opened in the grid of the unit ceiling base frame by its removal, or the remaining partial space that will be opened in the grid of the unit ceiling base frame by changing the mounting position will be used as the unit ceiling base frame. Secondly, it was decided that the ceiling panel attached to the cover should be applied to make the lid.
It is a feature of.

Further, as a method of constructing the above-mentioned system ceiling, a unit ceiling base frame integrated into a grid of a certain size in a production factory can be carried into the work site while the worker can stand and work on the floor. A support frame that maintains a high height and a portable lifter that can raise and lower the support frame are installed at the work site, and are supported by the support frame under the supporting condition of the unit ceiling base frame with respect to the grid. Assemble lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other ceiling accessories, and then raise the above-mentioned support pedestal with a lifter, and use part of the support pedestal as a work scaffold to set the above-mentioned unit ceiling base frame. Is attached to a hanger that is hung from the ceiling slab, and the first feature is to connect adjacent unit ceiling base frames to each other,

[0012] Similarly, as a method of constructing a system ceiling, a unit ceiling base frame, which is frame-integrated into a grid of a certain size, is carried into a work site at a production plant, while an appropriate height that allows an operator to stand on the floor and work. And a support stand that keeps
A portable lifter that can raise and lower the support frame is installed at the work site, and under the support state of the support frame, lighting equipment, air conditioning equipment, disaster prevention equipment for the grid of the unit ceiling base frame, disaster prevention equipment, Assemble broadcasting equipment and other ceiling accessories, and attach ceiling panels, and then lift the above-mentioned support pedestal using a lifter, and use part of the support pedestal as a work scaffold, and use the unit ceiling base frame as a ceiling slab The second feature is that the unit ceiling base frame is attached to a hanger that is suspended from the unit and the adjacent unit ceiling base frames are connected to each other.

[0013]

According to the structure of the system ceiling according to the first and second aspects of the present invention, the ceiling of the lighting equipment, the air conditioning equipment, the disaster prevention equipment, etc. is attached to the inside of the grid of the unit ceiling foundation frame integrated into a fixed size frame. Since the equipment is detachable and the mounting position is changeable so that it can be mounted and changed, the mounting accessory can be installed and the mounting position can be changed to match A wide variety of arrangement patterns can be freely obtained.

According to the construction methods of the third and fourth inventions,
The unit ceiling base frame can be mass-produced with stability and high quality in the production plant, and it becomes possible to easily pack it as a small standard product of a certain size and transport it to the work site.

At the work site, as a comfortable work on the floor stably supported by the support frame, the ceiling accessory device can be efficiently installed in the grid of the unit ceiling base frame without any skill required. Can be assembled into a unit.

Further, since the unit ceiling base frame unitized to the assembly of the ceiling accessory is still a small product, it can be stably lifted and raised by the lifter. In that case, the support base serves as a work scaffold. Since it also functions, it is possible to attach it to the hanger that hangs from the ceiling slab and connect the adjacent unit ceiling base frames to each other efficiently and safely, and separately. There is no need to prepare a large stepladder or ladder.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiments. In FIGS. 1 to 5, (11) is a unit ceiling base frame which is a structural unit of the system ceiling, and is made of aluminum extruded material. A certain size (eg 80
It is integrated into a grid (G) of 0 mm, 1600 mm or 3200 mm). And, such a unit ceiling base frame (11) is mass-produced in the factory,
It will be delivered to the work site.

(12) is a general term for lighting equipment (fluorescent lamps), air conditioning equipment (ducts), disaster prevention equipment (sensors and sprinkler heads), broadcasting equipment (emergency bells and speakers), and other various ceiling accessories. At the work site, they are detachably attached to the grid (G) of the unit ceiling foundation frame (11) and the mounting position is changeable to form an assembly unit.

That is, in FIGS. 2 and 3, the ceiling accessory (1
As 2), an illuminating device (12a) is shown as an example, but with a mounting bracket (13) such as a bracket or a screw,
A unit ceiling base frame (11) integrally framed from an aluminum extruded material having a cross section is detachably assembled into a unit (G). In that case, the hollow inside of the unit ceiling base frame (11) having a cross-sectional hatch type is shown in FIG.
As the duct (14) of the air conditioner (12b),
It is preferable to utilize it so that the wind can be blown downward. (15) shows a removable joint material when it is not used.

Although not shown in detail, the mounting brackets (13) such as the brackets and screws are made uniform as mounting standard parts common to various ceiling accessories (12), and corresponding to this. A large number of receiving flanges, notches, slide guide grooves, receiving holes, etc. are pre-processed and distributed in the aluminum extruded material of the above-mentioned unit ceiling base frame (11), and by selectively using these, the results shown in FIG. As suggested from FIG. 8, the mounting position of the ceiling accessory device (12) with respect to the grid (G) of the unit ceiling base frame (11) can be changed.

2 and 3, the unit ceiling base frame (1
Regarding the relationship with the grid (G) in 1), the lighting device (12a) and the broadcasting device (12c) are assembled as a unit in a transverse state along the direction of the diagonal line, but instead of this, for example, Similarly, as shown in FIG. 6, the entire lighting device (12a) and the broadcasting device (12c) are assembled along the two sides where the grid (G) intersects, or as shown in FIG. Assemble only the lighting device (12a) in a crossing state on two parallel sides, and further, as shown in FIG. 8, only partially install the disaster prevention device (12d) at the corner position of the grid (G). It can be attached.

That is, by providing a large number of the above-mentioned receiving flanges, notches, slide guide grooves, receiving holes, etc. on the aluminum extruded material and other metal mold materials forming the unit ceiling underframe (11), the unit ceiling underframe is formed. (11) The function of changing the mounting position of the ceiling accessory device (12) and changing its mounting position is given to itself.

Further, as described above, the unit ceiling base frame (1
When the ceiling accessory device (12) is removed from 1), the interior of the grid (G) compartment opens as a whole space, and the unit ceiling base frame (11) may be used in such a removed state. is there. Also, FIGS.
When the ceiling accessory (12) is assembled into the unit ceiling base frame (11) as shown in FIG. 8 to form a unit, or the mounting position of the ceiling accessory (12) is changed, the residue in the grid (G) remains. The inside of the compartment will open as a partial space.

In such a case, the grid (G)
Ceiling panel (16) that adapts to the entire space or partial space inside
As shown in FIGS. 3 to 5, by sticking to the unit ceiling base frame (11), the entire space or partial space can be covered with makeup, and the ceiling panel (16) is also desired by the installer. The material can be freely selected according to the requirements. It is also possible to omit the attachment of the ceiling panel (16).

Next, FIGS. 9 and 10 show scenes of work at the work site, and (17) is a portable lifter installed on the floor of the work site and operated by electricity or compressed fluid. It consists of a cylinder, a mechanical screw type jack, etc., and its installation position can be freely changed.

Further, (18) is a support frame which is lifted and lowered by the lifter (17), and is shaped to have a size capable of stably supporting the unit ceiling base frame (11), and The work scaffold (19) on which the worker can safely stand is also integrally attached.

Under the condition that the support frame (18) is lowered by the lifter (17), the operator stands on the floor surface and the ceiling accessory device (12) to the unit ceiling base frame (11). It is kept at an appropriate constant height (h) (for example, about 1 m from the floor) so that the assembling work can be carried out comfortably, and conversely, when it is lifted by the lifter (17), it is supported together with its support stand (18) Workers are also being raised.

In constructing the system ceiling of the present invention based on the above construction, a large number of factory-produced unit ceiling foundation frames (11) are carried into a work site while the floor surface of the work site is As shown in Fig. 9, the support frame (1
8) and its lifter (17) are installed, the above-mentioned unit ceiling base frame (11) is mounted on the support frame (18) kept in the lowered state, and the ceiling attachment for the grid (G) is attached. The work of assembling the device (12) is performed.

When the partial space or the entire space remaining inside the section of the grid (G) is to be covered with a lid, the ceiling panel (16) for that purpose is also attached to the unit ceiling base frame (11).

The work of assembling the ceiling accessory device (12) and the work of attaching the ceiling panel (16) can be efficiently carried out under a comfortable posture standing on the floor surface for the worker, and also in units. The ceiling base frame (11) is integrated as a grid (G) of a certain size as described above, and the ceiling accessory device (1) is installed in the grid (G).
Since 2) is designed to be assembled into a unit,
There is no need to perform complicated processing and assembly for site matching, and so to speak, it is possible to obtain excellent construction quality and workability as a ground unit construction method of a unit unit.

When the assembling work of the ceiling accessory device (12) and the attaching work of the ceiling panel (16) are completed,
Next, the lifter (17) is operated to move upward, and the unit ceiling base frame (11) as an assembly unit product is brought close to the ceiling slab (20) together with the support frame (18). At that time, the worker also stands on the work scaffold (19) of the support base (18) and moves to a high place together.

Then, the horizontalness and installation height of the unit ceiling base frame (11), the mutual positional relationship between the unit ceiling base frame (11) and its preceding product are adjusted, and finally the ceiling slab (20) is preliminarily hung. Each unit ceiling base frame (11) is attached to the lower end of the hanger (21) being lowered, and the unit ceiling base frames (11) adjacent to each other are directly or separately fastened by inserting them. Since the connection work is indirectly performed via a tool, the system ceiling as shown in FIG. 1 and FIGS. 11 to 13 is completed by repeating such various works.

The above-mentioned adjustment work, connection work, and attachment work to the hanger (21) at the high place are also performed at the support base (1).
In the comfortable posture of standing on the work scaffold (19) of 8), the work can be performed very efficiently and safely, and it is not necessary to prepare a separate stepladder or ladder.

The hanger (21) has been described above as being suspended from the preliminary ceiling slab (20), but the hanger (21) is suspended from the preliminary unit ceiling base frame (11). It is also possible to assemble the unit as a stand-up state so that the stand-up position is slidable, and attach it to an anchor embedded in the ceiling slab (20). Needless to say, the assembly of the hanger (21) to the unit ceiling base frame (11) into a unit can also be performed on the floor.

[0035]

As described above, in the system ceiling of the present invention, as described in claim 1, a large number of unit ceiling base frames (11) integrated into a grid (G) of a constant size are provided. Hanging from each ceiling slab (20),
The unit ceiling base frames (11) are connected to each other, and the grid (G) of the unit ceiling base frames (11) is connected.
Lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other ceiling accessory equipment (12) can be freely attached and detached, and the mounting position can be changed into a unit. Since it is determined that various changing array patterns of the accessory device (12) can be obtained, as shown in FIGS. 11 to 13, various changing array patterns or layouts of the ceiling accessory device (12) can be obtained. It can be easily secured, and there is an effect that it can be installed as a system ceiling according to the request and purpose of the contractor, the interior partition, etc.

Further, although such an effect can be achieved also by the constitution described in claim 2, according to the constitution of claim 2, various materials can be used as the ceiling panel (16) according to the request of the contractor. It is possible to change the finish state of the system ceiling while selecting and using, and in that case, the unit ceiling base frame (11) to which this is attached is integrated as a grid (G) of a certain size. The ceiling panel (16) can be mass-produced as a standard product, and there is also an effect that the entire space or partial space opening to the grid (G) can be surely covered and covered.

As a method of constructing the above system ceiling, according to the present invention, as described in claim 3, a unit ceiling base frame (11) which is frame-integrated with a grid (G) of a certain size in a production factory is installed at a work site. A support stand (18) that keeps an appropriate height so that an operator can stand and work on the floor while carrying in the work.
And a portable lifter (17) capable of raising and lowering the support base (18) are installed at the work site, and the unit ceiling base frame ( Assembling the lighting equipment, the air conditioning equipment, the disaster prevention equipment, the broadcasting equipment, and the other ceiling accessory equipment (12) to the grid (G) of 11), and then raising the support frame (18) by the lifter (17). The unit ceiling base frame (11) is attached to the hanger (21) suspended from the ceiling slab (20) while using a part of the support base (18) as a work scaffold (19), and the unit ceiling base frame (11) is also attached. Since the adjacent works of (1) are connected to each other, the problems of the publicly known invention described at the beginning can be improved.

That is, the present invention is intended for the system ceiling only, and various ceiling accessories (12) are unitized into the grid (G) of the unit ceiling base frame (11) by erection work on the floor. Therefore, it does not require any troublesome processing or assembling work for site matching, and can significantly reduce workability and construction quality.

Further, a supporting frame (1
8) and the lifter (17), and the supporting platform (18) is also provided with a work scaffold (19) on which a worker can stand, so that the unit ceiling base frame (11) is attached to the ceiling slab (20). It is possible to perform work such as attaching to a hanger (21) that hangs from the ground and connecting the unit ceiling base frames (11) to each other without any danger in a comfortable posture at a high place. Workability can be significantly improved and there is no need to prepare a separate ladder or stepladder.

Further, according to the construction method of claim 4,
In addition to the ceiling accessory device (12) for the grid (G) of the unit ceiling grounding frame (11), the ceiling panel (16) can be assembled into a unit for work on the floor, so that workability is improved. And more and more beneficial to construction quality.

[Brief description of drawings]

FIG. 1 is an overall schematic perspective view showing a construction state of a system ceiling according to the present invention.

FIG. 2 is a plan view showing a mounting state of a ceiling accessory to a unit ceiling base frame.

3 is an enlarged cross-sectional view taken along line 3-3 of FIG.

FIG. 4 is a cross-sectional view showing a mounting state of another ceiling accessory device to the unit ceiling base frame.

FIG. 5 is a cross-sectional view showing how a ceiling panel is attached to a unit ceiling base frame.

FIG. 6 is a plan view showing a modified example of an attached state corresponding to FIG.

FIG. 7 is a plan view showing another modification of the attached state corresponding to FIG.

FIG. 8 is a plan view showing still another modified example of the mounted state corresponding to FIG.

FIG. 9 is an explanatory diagram showing a scenic work scene on the floor.

FIG. 10 is an explanatory view showing a work scene at a high place due to the raising operation of the support frame.

FIG. 11 is an overall schematic plan view showing an array pattern of ceiling accessories.

12 is an overall schematic plan view showing another arrangement pattern corresponding to FIG. 11. FIG.

FIG. 13 is an overall schematic plan view showing still another arrangement pattern corresponding to FIG. 11.

[Explanation of symbols]

 (11) -Unit ceiling base frame (12) -Ceiling accessories (16) -Ceiling panel (17) -Lifter (18) -Supporting platform (19) -Work scaffold (20) -Ceiling slab (21) -Hanger ( G) ..

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shuji Shinohara 2-2 Otemachi 2-chome, Chiyoda-ku, Tokyo Urbannet Otemachi Building NTT T Urban Development Co., Ltd. (72) Inventor Ryoichi Hatano Tokyo 2-2 Otemachi 2-chome, Chiyoda-ku, Urbannet Otemachi Building NTT T Urban Development Co., Ltd.

Claims (4)

[Claims] 1. A large number of unit ceiling ground frames (11), which are frame-integrated in a grid (G) of a fixed size, are suspended from a ceiling slab (20) to each of them, and the unit ceiling ground frames (11) are suspended. ) Are connected to each other, and lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other ceiling accessory equipment (12) are detachable in the grid (G) of the unit ceiling base frame (11), In addition, the system ceiling is characterized in that the mounting position can be changed so that the mounting unit can be attached and detached and the mounting position can be changed to obtain various changing arrangement patterns of the ceiling accessory device (12). 2. A plurality of unit ceiling ground frames (11), which are frame-integrated in a grid (G) of a fixed size, are suspended from a ceiling slab (20) to each of them, and the unit ceiling ground frames (11) are suspended. ) Are connected to each other, and lighting equipment, air conditioning equipment, disaster prevention equipment, broadcasting equipment, and other ceiling accessory equipment (12) are detachable in the grid (G) of the unit ceiling base frame (11), In addition, the mounting position can be changed so that the unit is assembled into a unit, and the unit ceiling base frame (11) is opened by opening the unit ceiling base frame (11) or the unit ceiling base frame (11) by changing the mounting position. The ceiling panel (1) that attaches the remaining partial space to be opened in the grid (G) to the unit ceiling base frame (11).
A system ceiling characterized in that it is specified by 6) to apply a make-up. 3. A unit ceiling base frame (11), which is frame-integrated with a grid (G) of a certain size in a production factory, is carried into a work site, while an operator can stand on the floor and work at an appropriate height. A support base (18) that keeps the height and a portable lifter (17) that can raise and lower the support base (18) are installed at the work site, and the support base (18) is used to support the lifter. Then, the lighting equipment, the air-conditioning equipment, the disaster prevention equipment, the broadcasting equipment, and the other ceiling accessory equipment (12) are assembled to the grid (G) of the unit ceiling ground frame (11), and then the support frame (18) is installed. ) Is lifted by a lifter (17), and a part of the supporting frame (18) thereof is used as a work scaffold (19) to attach the unit ceiling base frame (11) to a hanger (21) suspended from a ceiling slab (20). Both construction methods of a system ceiling, wherein the connecting work mutual adjacent of the unit ceiling foundation frame (11). 4. A unit ceiling base frame (11), which is frame-integrated with a grid (G) of a certain size, is brought into a work site at a production plant, while at the same time a worker can stand on the floor and work at an appropriate height. A support base (18) that keeps the height and a portable lifter (17) that can raise and lower the support base (18) are installed at the work site, and the support base (18) is used to support the lifter. Then, the assembling of the lighting equipment, the air conditioning equipment, the disaster prevention equipment, the broadcasting equipment, and other ceiling accessory equipment (12) to the grid (G) of the unit ceiling base frame (11) and the work of attaching the ceiling panel (16) are performed. After that, the support pedestal (18) is lifted up by the lifter (17), and a part of the support pedestal (18) is used as a work scaffold (19), and the unit ceiling foundation frame (11) is used as the ceiling slab (20). Hanging from Wants with attached to the hanger (21), method of applying a system ceiling, wherein the connecting work mutual adjacent of the unit ceiling foundation frame (11).