JPH0835337A - Curing lid for temporary floor opening - Google Patents

Abstract

(57) [Summary] [Purpose] The materials without removing the handrails and safety nets from the temporary floor opening each time materials are loaded and unloaded, or re-installing these after loading and unloading. After carrying in and out of this material, etc.,
It is an object of the present invention to provide a curing lid for a temporary floor opening that can easily close the temporary floor opening. [Structure] A fall prevention protective frame 3 is installed around a temporary floor opening 2 that is opened in a floor slab 1 on each floor, and the temporary floor opening 2 also serves as a cargo receiving and curing cover 4. Is blocked by. Further, the cargo receiving and curing cover 4 is formed by providing driven wheels 11 and drive wheels 12 on the side surface of the precast concrete board 10 which is slightly larger than the temporary floor opening 2, and these running wheels are used for the temporary floor opening 2. Is rotatably mounted on the traveling rail 13 laid along the long edge side of the.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curing lid for a temporary floor opening for loading and unloading building materials and equipment opened on the floor of each floor in a building under construction.

[0002]

2. Description of the Related Art Conventionally, when building a building, a luggage elevator, a crane, etc. are used to carry building materials and building equipment into the building under construction. However, if the site on which the building is to be built is small, it is not possible to install a crane, etc. on the site around the building.Therefore, a temporary floor opening is opened on the floor of the building under construction, and building materials and equipment are carried out from here. It is included.

In this case, a handrail is installed around the temporary floor opening as a safety measure, and a safety net is stretched over the temporary floor opening. And when carrying in and out materials etc. from this temporary floor opening, while removing the handrail and safety net, make a gantry on the temporary floor opening of the floor for carrying in and out of materials etc., and use this gantry After carrying in and out by hand, the handrail and the safety net were reinstalled.

Further, when the temporary floor opening is closed after it is no longer used, a method of placing concrete by assembling formwork and reinforcing bars in the temporary floor opening from the lower floor is adopted. .

[0005]

However, in the case where the temporary floor opening is provided with handrails, safety nets, etc. as described above, each time the material etc. is carried in and out, these are removed and carried in and out. It was very troublesome work because these had to be reinstalled after the end.

Further, when closing the floor opening for temporary construction, since the method of placing the formwork and the reinforcing bar in the floor floor for temporary construction from the lower floor and placing concrete is adopted, it takes time and labor and the efficiency is poor. It was

Therefore, the present invention has been made in view of the above problems, and its purpose is to remove the handrail or the safety net from the temporary floor opening each time a material or the like is carried in or out, or After the loading and unloading is completed, the materials and the like can be loaded and unloaded without being re-installed, and the temporary floor opening that can easily close the temporary floor opening after the loading and unloading of the materials and the like is completed. Is to provide a curing lid for the department.

[0008]

[Means for Solving the Problems] The curing lid of the temporary floor opening portion of the present invention for achieving the above-mentioned object is for carrying in and out building materials and equipment opened on the floor of each floor in the building under construction. A protective frame for preventing fall is provided around the temporary floor opening, and a traveling rail is laid so as to sandwich the temporary opening, and a cargo cradle and curing member for opening and closing the temporary floor opening on the traveling rail. A cover is provided so as to be freely movable, and the curing cover that also serves as a load receiving stand is detachable from the traveling rail for use as a cover for closing the temporary floor opening after the use of the temporary floor opening is finished. By the configuration, the curing receiving and combining cover is operated by centralized control or individual control, and the receiving and combined curing cover is formed of a precast concrete plate or a steel plate. That.

[0009]

According to the above construction, the temporary floor opening on each floor is closed by the cargo receiving / curing cover when materials are not carried in / out. When loading and unloading materials and the like, the cargo receiving tray / curing cover travels on the traveling rail by the operation of centralized management or individual management to open the temporary floor opening. Then, a part of the handrail moves up and down along with the traveling of the cargo receiving stand / curing cover. Next, after the loading and unloading of materials and the like is finished and the temporary floor opening is no longer used, the load-carrying cover / curing cover is removed from the traveling rail, and the temporary floor opening is closed.
If the cargo receiving / curing cover is made of precast concrete, it can be used as a permanent floor slab, and if the cargo receiving / curing cover is steel, use it as a floor formwork. After that, the floor slab can be constructed by placing concrete.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a curing lid for a temporary floor opening of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a sectional view of a floor slab on each floor provided with a curing lid for a temporary floor opening of the present invention, FIG. 4 is an enlarged sectional view thereof, and FIG. 5 is an enlarged plan view thereof.

FIG. 1 is a sectional view of floor slabs on each floor of a building under construction. Fall prevention protection is provided around temporary floor openings 2 opened on floor slabs 1 on each floor. The frame 3 is installed, and the temporary floor opening 2 is closed by the cargo receiving and curing cover 4.

The protective frame 3 is composed of columns 5 standing upright at four corners around the floor opening 2 for temporary construction, and handrails 6 mounted between the columns 5, and long sides of the handrails 6 are provided. While the side handrail 7 is fixed, the handrail on the short side is a movable handrail 8 that can move up and down.

Both ends of the movable handrail 8 are slidably inserted into the vertical groove 5a of the support column 5, and a chain 8c wound by a motor 8b is connected to an upper frame 8a thereof.
Therefore, the movable handrail 8 is rotated by the forward and reverse rotations of the motor 8b.
Is designed to move up and down. The motor 8b is driven by a signal from the centralized operation section 9.

The cargo receiving and curing cover 4 is formed by providing a driven wheel 11 and a drive wheel 12 on a side surface of a precast concrete plate 10 which is slightly larger than the temporary floor opening 2, and these running wheels are used for the temporary floor opening. It is rotatably mounted on a traveling rail 13 laid along the long edge side of the portion 2. Then, by the rotation of the drive wheel 12 by the drive motor 14, the load receiving table / curing cover 4 travels on the traveling rail 13.

The drive motor 14 is computer-controlled by the centralized operation section 9, and can be driven by remote operation from the centralized operation section 9. Therefore, this central operation unit 9
From the floor, the curing cover 4 that doubles as a cargo receiving stand on each floor
The temporary floor opening 2 can be opened / closed by freely traveling on the upper surface 3 and the material etc. hung by a crane can be placed.

Further, each of the cargo receiving table / curing cover 4 is provided with an individual operating section 15 for independently driving the drive motor 14 in the driver's seat 16, and the driver's seat 16 is operated to individually travel on the traveling rail 13. The temporary floor opening 2 can be opened and closed, and individual management can be performed in addition to centralized management.

Further, a centralized operation section 9 is provided near the protection frame 3.
A camera 18 for the monitor TV 17 installed in the above is installed, and while viewing the monitor TV 17, it is possible to remotely operate the cargo tray / curing cover 4 on each floor.

The traveling rails 13 are laid all over the floor slab 1 on each floor, and by the remote control from the centralized operation section 9, the cargo receiving / combining curing lid 4 freely travels on the floor slab 1 to store materials and the like. It can be transported to any location.

Next, the operation of the protective cover that also serves as the load receiving base of the temporary floor opening will be described with reference to FIG. The figure is a cross-sectional view of the floor slab 1 of a building with three floors below ground, showing a state in which materials 21 and the like are carried in from the ground to the third floor below ground.

In this case, first of all, by operating the centralized operating section 9, the curing cover 4 also serving as a cargo receiving stand from the first floor to the second basement floor.
To make the temporary floor opening 2 open. At this time, the movable handrail 8 also moves to the upper side at the same time as the traveling of the load carrier / curing cover 4 to open the entrance / exit so that the load carrier / curing cover 4 can come out of the protective frame 3.

The protective cover 4 also serving as the cargo receiving stand is used as the protective frame 3.
When the vehicle goes out, the motor 19b is driven again by the sensor 19 provided near the doorway to move the movable handrail 8 downward to close the doorway.

At this time, the cargo receiving and curing cover 4 on the third basement floor does not run and the temporary floor opening 2 remains closed. Then, after the materials 21 and the like lifted up by the crane 20 are hung from the ground onto the cargo receiving and curing cover 4 in the third basement, the central operating unit 9 is operated to operate the cargo receiving and curing cover 4.
Run outside the protective frame 3.

In this case, the movable handrail 8 moves upward at the same time as the movement of the cargo receiving tray / curing cover 4 as described above, and moves downward after the cargo receiving tray / curing lid 4 comes out of the protective frame 3. Then the doorway is closed.

Next, from this stage, an operator gets into the driver's seat 16 of the cargo receiving / cumulating cover 4, and while operating the individual operating portion 15, the cargo receiving / curing lid 4 is run and the material 2
Transport the 1st class to the designated place on the 3rd basement floor.

After this transportation is completed, the operator runs the cargo receiving / curing cover 4 to close the temporary floor opening 2. In this case, the movable handrail 8 is moved upward by the sensor 19 to open the doorway when the load carrier / curing cover 4 comes close to the protective frame 3, so that the vehicle can travel inside the protective frame 3.

Then, after the material 21 and the like from the crane 20 have been carried in and the transportation thereof has been completed, from the first floor to the basement 2
The cargo receiving and curing cover 4 up to the floor is moved by operation from the centralized operation unit 9 to close the temporary floor opening 9, and the movable handrail 8 is moved downward to close the doorway.

In the above embodiment, the case where the materials and the like are carried in to the third floor under the ground has been explained, but this is also carried out by the same operation procedure as the above when carrying in the goods to each floor or carrying out the equipment and the like.

Incidentally, in FIG. 7, a curing lid 4 which also serves as a cargo tray.
Moved only to the left, but it can also be moved to the right, and in this case, the same operation as described above is performed.

In this way, when the material 21 and the like have been loaded and unloaded through the temporary floor opening 2, and the temporary floor opening 2 is no longer used, as shown in FIG. The curing lid 4 is removed from the traveling rail 13 and all the traveling wheels on the side surface are removed to form a simple precast concrete board 10.

And this precast concrete board 1
0 is fitted into the temporary floor opening 2 as shown in FIG. 9, and embedded metal fittings 1a and 4a embedded in the floor slab 1 and the cargo receiving / curing cover 4 are joined by the joining plate 22 to connect them. By doing so, the floor slab 1 is constructed.

Along with this, all the traveling rails 13 laid around the temporary floor opening 2 and on the floor slab 1 are also removed.

Further, FIG. 10 shows a case in which the curing lid 4 also serving as the cargo receiving stand is formed of a steel plate, and in this case also, like the precast concrete plate 10, the side driven wheel 11 and the drive wheel 1 are provided.
2, the traveling wheels are rotatably mounted on the traveling rail 13.

Then, in the same manner as described above, when the temporary floor opening 2 is no longer used, the cargo receiving and curing cover 4 is removed from the traveling rail 13, and all the traveling wheels on the side are removed to form a simple steel plate lid. The temporary floor opening 2 is fitted and closed.

Then, as shown in FIG. 11, the floor slab 1 is constructed by arranging the connecting bar 23 between the floor slab 1 and the top of the curing cover 4 which also serves as the receiving stand and placing concrete 24 on the bar. To do.

[0035]

EFFECTS OF THE INVENTION A protective frame for preventing fall is provided around a temporary floor opening for loading and unloading building materials and equipment opened on the floor of each floor in a building under construction, and the temporary opening is sandwiched. A traveling rail is laid so as to lie on the traveling rail, and a cargo receiving and curing cover for opening and closing the temporary floor opening is movably provided on the traveling rail. Since it is detachable from the traveling rail for later use for closing the temporary floor opening, it is possible to easily carry in and out the materials and the like to and from each floor using the temporary floor opening.

By operating the curing tray that also serves as the cargo receiving stand by centralized control or individual control, work efficiency can be improved.

By using a precast concrete plate or a steel plate as the curing tray that also serves as the cargo receiving stand, a floor slab is constructed by using these as a lid that closes the temporary floor opening after the temporary floor opening has been used. be able to.

[Brief description of drawings]

FIG. 1 is a sectional view of a floor slab on each floor.

FIG. 2 is a plan view of a movable handrail.

FIG. 3 is a side view with a part of the support column omitted.

FIG. 4 is an enlarged cross-sectional view of a temporary floor opening.

FIG. 5 is an enlarged plan view of a temporary floor opening.

FIG. 6 is an enlarged cross-sectional view of a curing tray that also serves as a cargo tray.

FIG. 7 is a cross-sectional view of the floor slab showing a state in which materials are carried into the third basement floor.

FIG. 8 is a partially omitted cross-sectional view of a precast concrete plate from which traveling wheels, drive motors, etc. have been removed.

FIG. 9 is a cross-sectional view of a floor slab constructed with a curing cover that also serves as a receiving stand for precast concrete plates.

FIG. 10 is a partially omitted cross-sectional view of a curing cover that also serves as a steel sheet receiving base.

FIG. 11 is a cross-sectional view of a floor slab constructed with a steel plate cargo receiving and curing cover.

[Explanation of symbols]

 1 Floor slab 2 Floor opening for temporary construction 3 Protective frame 4 Curing cover / carrying lid 5 Pillar 6 Handrail 7 Long side handrail 8 Movable handrail 9 Centralized operation part 10 Precast concrete board 11 Driven wheel 12 Drive wheel 13 Running rail

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masato Miyake 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd.

Claims (4)

[Claims] 1. A protective frame for preventing fall is provided around a temporary floor opening for loading and unloading building materials and equipment opened on the floor of each floor in a building under construction, and the temporary opening is sandwiched. A traveling rail is laid so as to lie on the traveling rail, and a cargo receiving and curing cover for opening and closing the temporary floor opening is movably provided on the traveling rail. A curing lid for a temporary floor opening, which is detachable from a traveling rail for later use for closing the temporary floor opening. 2. The curing lid for a temporary floor opening according to claim 1, wherein the curing lid that also serves as the cargo receiving stand is operated by centralized management or individual management. 3. The curing lid for a floor opening for temporary construction according to claim 1, wherein the curing lid that also serves as a cargo receiving stand is formed of a precast concrete plate. 4. The curing lid for a floor opening for temporary construction according to claim 1, wherein the curing lid that also serves as a cargo receiving stand is formed of a steel plate.