JPH09228648A - Unloading opening open-close device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open and close unloading openings on each floor of a building simply and safely. SOLUTION: In thid device, unloading openings 108 formed at approximately the same places of floors on each floor for moving freight through each floor of a building are opened and closed. This open-close device has stage devices 4 being installed at every unloading opening 108 on each floor and containing stages 12 capable of opening and closing the unloading openings 108, motors 14 moving the stages 12 for the stage devices respectively and opening and closing the unloading openings 108, and a plurality of switches 8 controlling the motors 14 and discretely shifting the stages 12. The switches 8 are arranged while being adjoined to an operating section for a tower crane, from which freight is hung down and which vertically moves freight through the unloading openings 108, the operator of the tower crane operates the switches 8 as required, and the stages 12 on each floor can be opened and closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for opening and closing a loading opening formed on a floor of each floor for moving luggage through each floor of a building.

[0002]

2. Description of the Related Art For example, in a building under construction, it is often necessary to carry a luggage such as building materials to an upper floor of the building, or vice versa. In order to efficiently carry out such luggage, conventionally, as shown in FIG. 6, a cargo opening 108 is formed at the same position on the floor 104 of each floor of the building 102 and the ceiling portion 106 of the uppermost floor, and the luggage is opened. For example, a method is adopted in which 110 is lifted by a tower crane 112 and moved through the loading opening 108.

[0003] In this case, a curing net 114 is provided for safety at the location of the cargo opening 108 on each floor, and is installed or removed depending on which floor the luggage 110 is raised or lowered. For example, when carrying luggage 110 from the 1st floor to the 5th floor, the luggage 110 should be transported to the tower crane 11
After being lifted above the 5th floor at 2, the moving stage can be moved horizontally or manually on the loading opening 108 on the 5th floor so that the luggage 110 can be placed, while on the 4th floor and below, safety is ensured. Therefore, the worker places the curing net 114 in the loading opening and closes the loading opening 108.

On the contrary, for example, when carrying the luggage 110 from the 5th floor to the 1st floor, the luggage 110 is carried by the tower crane 11.
After hoisting at 2, the moving stage on the 5th floor has a loading opening 10
8 and the worker removes the curing net 114 from above the loading openings 108 and opens all the loading openings 108 on floors 4 and below.

[0005]

Therefore, the conventional luggage 1
When raising and lowering 10, the worker has to install and remove the curing net 114 on each floor, which is a problem that it takes time and effort. In addition, there is a risk that a worker may fall or drop the equipment including the curing net 114 to cause a disaster. When the curing net 114 is placed in the loading opening, the curing net 114 is in a slackened state, so that the curing net 114 may have a bad appearance and may be caught by something. Therefore, there are many inspection items for safety. is there. In case of rain, each cargo opening 10
In No. 8, only the curing net 114 is hung, so that there is a problem that it rains on each floor in the building 102. Therefore, an object of the present invention is to provide a loading opening opening / closing device that can safely open and close the loading openings on each floor without taking time and labor, and that also solves the problems of appearance and rain.

[0006]

In order to achieve the above object, the present invention is a device for opening and closing a cargo opening formed in a floor of a building for moving the cargo through each floor of the building. The switch includes: a stage capable of opening and closing a take-out opening; drive means for moving the stage to open and close the cargo-taking opening; and a switch for controlling the drive means to move the stage individually. Is disposed in proximity to an operation portion of a luggage moving means for suspending and moving the luggage up and down through the cargo opening.

The present invention is also characterized in that the stage is supported via wheels that roll on rails laid substantially horizontally. The invention is also characterized in that the load moving means is a crane. The present invention further includes a television camera for photographing the vicinity of the cargo opening and a television monitor for displaying an image photographed by the television camera, the television monitor being arranged in the vicinity of the operation unit of the luggage moving means. And The present invention is also characterized in that each stage further comprises a second switch installed on the same floor as the stage and controlling the driving means to move the stage on the same floor. The present invention is further characterized by further including a lamp arranged in the vicinity of the stage, and a control device for lighting the lamp when the stage moves. The present invention is further characterized by further including a sound generation device arranged in the vicinity of the stage, and a second control device generating a sound for notifying that when the stage moves.

[0008] When a crane operator hoists and moves a load, a crane operator operates a switch arranged in the vicinity of the operation part of the crane to open and close the cargo opening on a required floor. . As a result, the driving means moves the corresponding stage, and opens or closes the cargo opening on each floor according to the operation of the switch. Therefore, by using the loading opening / closing device of the present invention, it is possible to safely open and close the loading opening on each floor without taking time and labor, and it is also possible to solve the problems of appearance and rain.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing a building in which the present loading / unloading opening / closing device is installed, and FIG. 2 is a plan view of essential parts showing an example of the loading / unloading opening / closing device according to the present invention. The loading opening / closing device 2 includes a stage device 4, driving means 6 of the stage device 4, a plurality of switches 8, and the like. The stage device 4 is arranged in the vicinity of the loading opening 108 formed on the floor 104 of each floor of the building 102 and includes the rail 10 and the stage 12. FIG. 2 shows a plan view of one stage device 4 provided on one floor of the building 102. The stage device 4 is provided on each floor of the building 102 as shown in FIG. . The building 102
Is a five-story building in this embodiment, and the stage device 4 is provided on each of the second to fifth floors.

As shown in FIG. 2, in this embodiment, the loading opening 108 is rectangular, and the rails 10 are laid horizontally and in parallel on the floors 104 on both sides of the loading opening 108. The flat-plate stage 12 is also rectangular in this embodiment, its area is slightly larger than that of the loading opening 108, and four rotatable wheels (not shown) are mounted in a state in which two opposite sides are parallel to the rail 10. It is arranged on the rail 10 through the rail 10 and is movable along the extending direction of the rail 10 by rolling of the wheels. Two electric motors 14 forming the driving means 6 are arranged at two corners of the stage 12,
The output shafts are respectively connected to the corresponding two wheels via predetermined power transmission means.

As shown in FIG. 1, a tower crane 112.
The luggage 110 is suspended and moved by the electric motor 1 in the vicinity of the operation part of the driver's seat of the tower crane 112.
Four control boards 16 (Fig. 2) are arranged. The switch 8 is arranged on the control panel 16.

The number of switches 8 is four in this embodiment, and each of them corresponds to the stage device 4 provided on each floor of the building 102. The electric motor 14 provided on the stage device 4 on each floor and the control panel 16 are connected by cables, respectively, and each electric motor 14 is rotated in either direction by the corresponding switch 8, and each stage 12 is individually loaded. Direction A to close 108, or the loading opening 1
The structure is such that 08 is moved in the direction of B which is opened.

With such a loading opening opening / closing device 2,
For example, when carrying the luggage 110 from the 1st floor to the 4th floor, the operator of the tower crane 112 operates the four switches 8 to activate the electric motor 14 of the stage device 4 on each floor to remove all the stages 12 from each other. Move in the direction of arrow B to open all the cargo opening 108 on each floor.

In this state, the operator operates the tower crane 112.
To move the luggage 110 from the first floor to the fifth floor. After that, the operator operates the four switches 8 to rotate the electric motor 14 of the stage device 4 on each floor to move each stage 12
Are all moved in the direction of arrow A, and the loading openings 10 on each floor
Close all eight. And again the tower crane 11
2 is operated to place the luggage 110 on the stage 12 on the fourth floor where the cargo opening 108 is closed. A worker on the fourth floor carries the luggage 110 to a predetermined position on the floor.

On the contrary, for example, when lowering the luggage 110 from the third floor to the first floor, the operator of the tower crane 112 first closes the cargo taking opening 108 on the second floor and the third floor with 4
By operating the switch 8 corresponding to the stage device 4 on the fifth and fifth floors, the stage 12 on the fourth and fifth floors is moved in the direction of arrow B to open the loading opening 108. Here, when the worker on the third floor places the luggage 110 on the stage 12 and attaches it to the wire of the tower crane 112, the tower crane 1
12 operators operate the tower crane 112 to operate the luggage 1
Lift up 10. Then, the switches 8 corresponding to the stage devices 4 on the second floor and the third floor are operated to move the stages 12 on those floors to open the loading opening 108, and the luggage 110 lifted in that state is moved to the first floor. Lower it. afterwards,
The wire is wound upward, and the four switches 8 are operated to move the stage 12 on each floor in the direction of arrow A to close all the loading openings 108 on each floor.

As described above, the loading opening / closing device 2 of this embodiment
Then, the operator of the tower crane 112 can operate the switch 8 at hand to move the stage 12 on each floor to open and close the loading opening 108 on each floor as needed. Therefore, the loading opening / closing device 2 is installed in the building 10
By installing it in No. 2, it is possible to safely open and close the cargo opening 108 on each floor without taking time and effort, and it is also possible to solve the problems of appearance and rain.

Next, the loading opening / closing device 1 of the second embodiment.
8 will be described. In this embodiment, as shown in FIG. 3, a television camera 20 is installed above the stage device 4 on each floor, while a control board 22 is arranged near the operation part of the tower crane 112, and the control board 22 is provided. A television monitor 24 and a change-over switch 26 are attached together with the switch 8. The television camera 20 on each floor is connected to the control panel 22 by a cable, and an image near the stage device 4 on the floor selected by the changeover switch 26 is displayed on the television monitor 24 of the control panel 22. Therefore, in the loading opening / closing device 18 of the second embodiment, the operator of the tower crane 112 can open and close the stage 12 on each floor while watching the TV monitor 24, and the opening / closing operation of the stage 12 can be performed safely. Can be done.

Next, the loading opening / closing device 2 of the third embodiment.
8 will be described. In this embodiment, as shown in FIG. 4, switches 30 each having the same function as the switch 8 shown in FIG. 1 are provided in proximity to the stage device 4 on each floor, and each switch 30 is provided with a predetermined wiring 32. Control panel 16 arranged near the operation part of the tower crane 112
It is connected to the. Therefore, in this embodiment, not only the operator of the tower crane 112 but also a worker can operate the stage device 4 on each floor to open and close the stage 12 as needed, and therefore, the load can be changed in various ways. It is possible to use the intake opening / closing device 28.

Next, the loading opening / closing device 3 of the fourth embodiment.
4 will be described. In this embodiment, as shown in FIG. 5, the alarm lamp 3 is provided close to the stage device 4 on each floor.
6, a sound generating device 38, and a control device 40 are installed, and the control device 40 is electrically connected to the control panel 16 arranged in the operation part of the tower crane 112. Then, when the switch 8 is operated on the operation panel, the control device 40 installed on the operated floor turns on the alarm lamp 36, and the sound generating device 38 notifies the stage 12 that the stage 12 is opened or closed. Generate.

Therefore, in this embodiment, the loading opening 108
Workers in the surroundings turn on the stage lamp 12 by turning on the alarm lamp 36 or a voice alarm from the voice generating device 38.
It is possible to know for sure that the will open and close, and work can be carried out more safely. In the above embodiment, the building 10
2 is a five-story building, and the stage device 4 is installed on each floor from the second floor to the fifth floor, but the present invention is of course applicable even when the number of floors of the building 102 is larger or vice versa. Even if the number of floors of the building 102 changes, the stage device 4 may be installed on each floor and the number of switches 8 provided on the control panel 16 may be changed.

The means for suspending and moving the luggage 110 is not limited to the tower crane 112, and various existing means can be used.

[0022]

As described above, in the loading / unloading opening / closing device of the present invention, when the crane operator lifts and moves the load by the crane, the crane operator operates the switch arranged close to the operation part of the crane. It may be operated so as to open or close the required floor loading openings, whereby the driving means moves the corresponding stage to open or close the loading openings on each floor in response to the operation of the switch.

Therefore, by using the loading opening / closing device of the present invention, the curing net becomes unnecessary, so that it is necessary to install the curing net in the loading opening or remove it from the loading opening. The problem that the work takes time and labor is solved. In addition, the risk that a worker may fall or drop a tool including a curing net to cause a disaster is greatly reduced. Then, the loosening net is placed in the loading opening to solve the problem of poor appearance, and the safety inspection for the net is also unnecessary. Also, since the loading openings on each floor are normally closed by stages,
Even if it rains, it will not rain on each floor in the building.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a building in which a cargo opening / closing device is installed.

FIG. 2 is a plan view of an essential part showing an example of a loading opening opening / closing device.

FIG. 3 is a plan view of an essential part showing a second embodiment.

FIG. 4 is a main part plan view showing a third embodiment.

FIG. 5 is a plan view of an essential part showing a fourth embodiment.

FIG. 6 is an explanatory diagram showing a conventional load collecting work.

[Explanation of symbols]

 2, 18, 28, 34 Loading opening / closing device 4 Stage device 6 Driving means 8, 30 Switch 10 Rail 12, 116 Stage 14 Electric motor 16, 22 Control panel 20 Television camera 24 Television monitor 26 Changeover switch 36 Warning lamp 38 Voice generation Equipment 102 Building 104 Floor 106 Ceiling 108 Loading opening 112 Tower crane

Claims (7)

[Claims] 1. A device for opening and closing a cargo opening formed on a floor of the building for moving luggage through each floor of the building, comprising: a stage capable of opening and closing the cargo opening; A load unit for moving the stage to move the stage by controlling the drive unit to move the stage by moving the stage; and a switch for moving the stage up and down through the load opening. A loading opening opening / closing device, characterized in that the loading opening opening / closing device is arranged in proximity to the operation part of the moving means. 2. The loading opening / closing device according to claim 1, wherein the stage is supported via wheels that roll on rails laid substantially horizontally. 3. The load moving means is a crane.
The cargo opening / closing device described. 4. A television camera for photographing the vicinity of the cargo opening, and a television monitor for displaying an image photographed by the television camera, the television monitor being arranged in the vicinity of the operation unit of the luggage moving means. The cargo opening / closing device described. 5. The loading opening / closing device according to claim 1, further comprising a second switch installed for each stage on the same floor as the stage and controlling the drive means to move the stage on the same floor. . 6. The load opening / closing device according to claim 1, further comprising a lamp arranged near the stage, and a control device for lighting the lamp when the stage moves. 7. The cargo pickup according to claim 1, further comprising: a sound generating device arranged near the stage, and a second control device for generating a sound notifying that when the stage moves. Opening and closing device.