JPH06167122A - Temporary roof device - Google Patents

Abstract

PURPOSE:To prevent the delay of a term of works by a method wherein extensible stays each having a girder are erected on the outside of a body under construction, a traveling openable roof and an elevating work floor are installed, and a work, such as concreting, is carried out even during a rainy weather. CONSTITUTION:A plurality of stays 4 extensible upward are erected on the outside of a body 1 under construction and a temporary roof 7 comprising an outer roof unit 34a and an inner roof unit 34b is movably installed on a girder 5 installed to the stays 4. A work floor is elevatably installed between the stays 4. With the progress of a work, the stays 4 are extended and when a material is inputted, the roof 7 is slid for opening. This constitution causes prevention of a delay of a term of works through continuance of a work even during a rainy weather.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary roof device used for constructing various structures, particularly reinforced concrete structures.

[0002]

2. Description of the Related Art Construction work is greatly affected by weather such as rain and snow, and how to carry out stable construction without being affected by bad weather is an important issue in construction work. Therefore, in the construction of a steel-framed building using a steel frame column, there has been seen an example in which a temporary roof covering the upper part of the frame is attached to the steel frame forming the frame to perform the construction work.

[0003]

However, since the above-mentioned conventional temporary roof has a structure in which the temporary roof is attached to the steel frame of the frame, in the case of a reinforced concrete construction that does not use steel columns, the steel frame to which the temporary roof is attached is Since it does not exist, the temporary roof cannot be used. Therefore,
Work such as placing a formwork and placing concrete under bad weather such as rainy weather must be done in the rain, or the work must be stopped,
The work environment was deteriorated and the construction period was delayed.

Further, during construction work, building materials may be carried in from above the skeleton, so it is also necessary to make it easy to carry in the building materials and the like.

The present invention has been made in view of the above-mentioned conventional problems, and in particular, it enables the construction of a reinforced concrete construction without using steel columns to be carried out without being affected by the weather, It is an object of the present invention to provide a temporary roof device that can prevent the delay of the construction, can improve the working environment, and can easily carry in building materials and the like.

[0006]

The technical means taken by the present invention to solve the above-mentioned problems is to provide a plurality of support posts 4 which are erected on the outer side of the building body 1 and can be extended upward.
And a girder 5 provided on the support post 4 so as to be able to move up and down via an elevating device 12, and a girder 5 supported so that building materials and the like can be carried in from above and movable along the girder 5. And a roof main body 7 for opening and closing.

Of the support posts 4, two lifting posts are provided on the two support posts 4 standing upright adjacent to each other on the same side of the body 1, and the lifting devices are provided with building materials, workers, etc. It is preferable that an elevating work floor 50 capable of mounting is supported so as to be vertically movable.

[0008]

In the temporary roof of the present invention, since the roof main body 7 covers the upper part of the skeleton 1, there is no need to interrupt the work even in the case of rain, and it is not necessary to work in the rain.

Further, when the building material is carried in above the frame 1, the roof main body 7 may be moved along the girder 5 and opened to facilitate the carrying-in work.

In addition, when constructing the upper floors of the frame 1, the support posts 4 are extended and the elevating device 12 is operated to raise and hold the roof main body 7 together with the girder 5 to a predetermined height. As a result, a working space can be secured between the upper surface of the frame 1 and the lower surface side of the roof body 7.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention for constructing a reinforced concrete building will be described below with reference to the drawings. In FIGS. 1 and 4, reference numeral 1 denotes a skeleton of a building made of reinforced concrete during construction work, and the skeleton 1 is covered with a so-called all-weather temporary roof 3 above.

The temporary roof 3 is provided with a plurality of support posts 4 which are erected on both sides of the skeleton 1 (three support posts 4 are erected on one side in this embodiment) and the supports. Post 4
It is provided with a pair of girders 5 supported on the both sides of the skeleton 1 and provided on both sides of the skeleton 1, and a roof main body 7 movably mounted on the both girders 5.

The support post 4 is composed of four steel pipes 6 as a main material, and can be extended upward by successively adding the support posts 4. Further, a post support 8 is connected between each support post 4 and the skeleton 1, and rack gears 9, 9a are provided on the inner side surface (the skeleton 1 side) and the outer side (the skeleton 1 opposite side) of the support post 4 over the entire length. Are provided respectively.

Reference numeral 12 denotes an elevating device provided on each of the support posts 4 so as to be able to elevate and lower, and as shown in FIGS. 7 and 8, a frame frame body 14 supported by the inner steel pipe 6 by a plurality of support rollers 13 is provided. , A cradle projecting inward from the frame 14
The girder 5 is fixed to 15 by bolts 15a.

Reference numeral 17 denotes an electric motor for raising and lowering the girder 5 together with the frame body 14, which is provided below the receiving base 15. As shown in FIG. 9, the electric motor 17 is attached to a plate body 18 mounted on a frame body 14 via bolts, and a pinion gear 19 fixed to a rotating shaft 17a of the pinion gear 19 is provided.
Is the inner rack gear 9 provided on the support post 4.
It is screwed to.

A girder height adjusting device 21 is provided below the electric motor 17 for reducing a level error when the girder 5 is raised and lowered. In the girder height adjusting device 21, as shown in FIG.
Is attached to the device main body 22 via a support 21a.
A rotary shaft 23, both ends of which project from the device body 22, is rotatably supported by bearings. On one of the rotary shafts 23,
A pinion gear 25 that is screwed into the rack gear 9 is fixed. A rotary disc 26 is fixed to the other side of the rotary shaft 23, and the rotary disc 26 is provided with a plurality of protrusions 27 at equal angles.

Reference numeral 30 denotes a limit switch having a roller 32 which comes into contact with the projection 27. The limit switch 30 gives a signal when the roller 32 comes into contact with the projection 27 by the rotation of the rotary disc 26, and the signal is transmitted. It is adapted to be transmitted to the control device 28.

That is, the control device 28 is a limit switch for the lifting device 12 provided on each support post 4 as shown in FIG.
The electric motor 17 of each lifting device 12 is stopped by the signal of 30, and after receiving the signals of all the limit switches 30, the electric motors 17 are driven again to raise the girder 5. There is. In addition, 31a and 31b shown in FIG. 7 and FIG. 8 are landings for inspection fixed to the frame body 14.

The roof main body 7 is composed of an outer roof unit 34a and an inner roof unit 34b which are divided into upper and lower tiers. Each roof unit 34a, 34b is mounted on a steel truss beam 35 mainly made of lightweight steel pipe. The waterproof and disaster prevention membrane material 36 is stretched over and has a rectangular shape in plan view.
The lengths L1 and L2 of the traveling directions of 34a and 34b are set to be equal, and the span L3 of the inner roof unit 34b is set to the frame 1
These inner and outer roof units are set longer than the span of
34a and 34b are designed to cover the upper part of the body 1 when closed.

The inner and outer roof units 34a, 34b are supported on the rails of the girder 5 by a plurality of legs 38 having rollers 39a, 39b attached to the lower ends thereof. That is, as shown in FIG. 7, the roller 39 on the outer roof unit 34a side
a is an outer rail portion provided on the upper end of the girder 5.
The rollers 39b of the inner roof unit 34b are rotatably mounted on the inner rail portion 40b.

43 is the outer roof unit as shown in FIG.
A traveling device for traveling 34a along the outer rail portion 40a, which is an electric motor 44 arranged on one side of the girder 5.
And a pulley 46 rotatably driven by the electric motor 44 and a pulley 46 rotatably attached to the other of the girder 5.
It is composed of a traveling wire 47 which is wound around and is connected to the front and rear legs 38, respectively. Therefore, the outer roof unit 34a can be run over the entire length of the girder 5 by pulling the wire 47 by the electric motor 44 and can be stopped at any position. Limit switches (not shown) are provided at both ends of the girder 5 to position the outer roof unit 34a.

Further, the inner roof unit 34b can also run over the entire length of the girder 5 by pulling the wire 47b by another electric motor 43 and can be stopped at any position. As shown in FIG. 3, reference numeral 50 denotes an elevating work floor for carrying predetermined building equipment and workers, which is installed between both support posts 4. Elevating devices similar to the elevating device 12 are provided at both ends of the elevating work floor 50, and rack gears are provided on the outer surface of the support post 4 separately from the elevating girder 5.
It can be raised and lowered by rotating the pinion gear that meshes with 9a.

Reference numeral 52 denotes an elevator for a manpower which is provided on support posts 4 other than the support posts 4 on which the elevating work floor 50 is erected so as to be lifted and held, and the elevator 52 for the manpower is also provided outside the support posts 4. It is a small elevator that moves up and down along a single support post 4 using a rack gear 9a provided on the side surface.

Next, a case where construction work is performed using the temporary roof having the above structure will be described. First, body 1
The support posts 4 are erected on both sides of each of the support posts 4, the lifting devices 12 are attached to the support posts 4, and then the lifting devices 12 are operated to align the pedestals 15 at the same height.
Place and fix.

On the other hand, the inner and outer roof units 34a and 34b are formed by assembling the beam 35 at another place on the ground and stretching the membrane material 36, and then the inner and outer roof units 34a and 34b are closed.
The girder 5 is lifted up and installed on the already installed girder 5. The inner and outer roof units 34a and 34b are attached to the girder 5.
After the installation, the traveling wires 47 and 47b are connected to the inner and outer roof units 34a and 34b, and predetermined traveling wiring of the traveling device 43 is performed. At this time, a working space A is provided between the upper surface of the frame 1 and the lower surface of the roof body 7.

Further, when a material or the like is carried in on the upper surface of the skeleton 1 by a crane, the traveling device 43 is operated to pull the traveling wires 47, 47b and open the inner and outer roof units 34a, 34b. That is, for example, when the inner and outer roof units 34a and 34b in the closed state as shown in FIG. 6A are moved to one of the girders 5 as shown in FIG. 6B, the entire inner and outer roof units 34a and 34b are completely removed. The roof open rate
It becomes 50%, and building materials and the like can be carried in through the openings 32 between the girders 5.

Further, since the inner and outer roof units 34a and 34b can independently and independently run, the inner and outer roof units
34a and 34b are inner and outer roof units as shown in FIG.
It is also possible to position the center of the girder 5 in a state where the 34a and 34b are superposed and to carry in building materials and the like from both sides. Therefore, the material or the like can be carried in to any position on the upper surface of the body 1 and to the side thereof. Further, by closing the inner and outer roof units 34a and 34b as shown in FIG.
It is possible to cover the skeleton 1 with the roof main body 7, and it is possible to perform construction under good working conditions even under adverse conditions such as rainfall.

Further, when the roof main body 7 is raised due to the construction on the upper floors of the frame 1, a new support post 4 is lifted by a crane and joined to the upper end of each of the support posts 4 standing upright. By adding, each support post 4 is extended.
Next, when each lifting device 12 is actuated, the pinion gear 19 rolls on the rack gear 9 by the drive of the electric motor 17, so that each lifting device 12 raises the girder 5. When the girder 5 is raised, the rotary disc 26 rotates via the pinion gear 25 of the height adjusting device 21. When the rotary disc 26 rotates, the protrusion 27 actuates the limit switch 30, and the signal is transmitted to the control device 28. Based on the signal, the control device 28 stops the lifting device 12 with the limit switch 30 actuated.

After the control device 28 receives the signals from all the limit switches 30, the elevating device 12 is activated again to raise the girder 5. in this way,
When the girder 5 is raised, for example, the entire distance of about 3400 mm is raised and lowered in nine steps of about 378 mm each time, and even if the girder 5 is distorted, the level error when the roof body 7 is raised It is possible to correct it by reducing the amount, and it is possible to surely raise the roof main body 7 while balancing the left and right girders 5.

The present invention is not limited to the above-mentioned embodiment. For example, in the above-mentioned embodiment, a building made of reinforced concrete is exemplified as the skeleton 1, but the skeleton 1 is a steel-framed construction using steel columns. Needless to say, it can be used for a thing, and even in this case, the lifting of the roof body 7 is performed by the lifting device.
Since it is performed at 12, it is not necessary to raise the roof main body 7 with a crane, and it is possible to perform the raising operation of the roof main body 7 quickly and reliably.

In the above embodiment, a pair of inner and outer roof units 34a and 34b is illustrated as the roof body 7, but FIG.
It is also possible to appropriately extend the girder 5 as shown by the phantom line and further provide other inner and outer roof units 34a and 34b.

Moreover, the support posts 4 may have a configuration other than the above, and the number thereof can be set arbitrarily. In addition to the rack and pinion mechanism, sprockets are provided at the upper and lower ends of the support posts 4 in addition to the mechanism of the lifting device 12 attached to the support posts 4, and the lifting device 12 is lifted and lowered by a chain or wire wound around both sprockets. The design of the configuration of the lifting device 12 can be changed as appropriate. Further, the elevating device 12 does not have to be provided on all the support posts 4, and can be attached to any support post 4 within a range that does not hinder the vertical movement and holding of the roof body 7.

Further, when the level of the roof main body 7 is adjusted, it is divided into 9 times in the above embodiment, but the rotary disc 26
By increasing or decreasing the number of protrusions 27 provided in the, it is possible to adjust the level at any number of times, further,
The sensor that detects the position of the lifting device 12 is not limited to the limit switch 30 described above, and may be, for example, a rotary shaft.
An encoder for detecting the rotation angle of 23, an optical sensor, or the like may be used, and the configuration of each member may be arbitrarily changed in design.

[0034]

INDUSTRIAL APPLICABILITY As described above, the present invention is provided with a plurality of support posts which are erected on the outer side of the frame of a building and can be extended upward, and the support posts which can be raised and lowered through an elevating device. Girder, and a roof main body for opening and closing, which is supported by the girder so that building materials and the like can be carried in from above, and is movable and movable along the girder, so that it is of a reinforced structure that does not use steel columns. Even a building can be constructed without being affected by bad weather such as rain, a delay in the construction period can be prevented, and a working environment can be improved.

Further, since the roof main body for opening and closing is movable and movable along the girder so that the building materials and the like can be carried in from above, the roof main body is opened when carrying the building materials and the like into the frame. Therefore, it is possible to easily carry in the building material without disturbing the roof body.

Moreover, when the roof main body is lifted by the lifting device provided on the support post, the work of raising the roof main body can be performed easily and quickly as compared with the case where the roof main body is lifted by the crane. It is possible and has practical value.

Further, of the supporting posts, two lifting posts are provided respectively on two supporting posts which are erected adjacent to each other on the same side face of the body, and the lifting devices are provided with building materials and workers. When the elevating work floor that can be mounted is supported so as to be able to move up and down, a column for separately supporting the elevating work floor becomes unnecessary, and there is an advantage that the support post can be effectively used.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a front view showing the main part.

FIG. 5 is a schematic side view showing a roof body.

[Fig. 6] Fig. 6 shows an open / closed state of the roof body, (a) is a plan view of a closed state, (b) is a plan view of one of the girders open, and (c) is a plan view of both sides of the girder open. Fig.

FIG. 7 is a front view of the lifting device.

FIG. 8 is a side view of the lifting device.

FIG. 9 is a cross-sectional plan view showing the main parts of the lifting device.

FIG. 10 shows a girder height adjusting device, in which (a) is a sectional plan view and (b) is a side view thereof.

FIG. 11 is an explanatory diagram showing an operating state of the lifting device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body, 4 ... Support post, 5 ... Girder, 7 ... Roof main body, 12 ... Elevating device, 34a ... Outer roof unit, 34b ... Inner roof unit, 43 ... Traveling device

Claims (2)

[Claims] 1. A plurality of support posts (4) which are erected on the outer side of a building body (1) and extend upward, and are raised and lowered to and from the support posts (4) through a lifting device (12). A freely installed girder (5) and a roof main body (7) for opening and closing which is supported by the girder (5) so that building materials and the like can be carried in from above and which is movable along the girder (5). )
And a temporary roof device. 2. The skeleton (1) of the support posts (4)
Elevating devices are respectively provided on two support posts (4) standing adjacent to each other on the same side surface of the elevating device, and an elevating and lowering work floor 50 on which building materials and workers can be mounted is elevated and lowered. The temporary roof device according to claim 1, wherein the temporary roof device is supported freely.