JPH089519A - Method and apparatus for transporting internal apparatus of distribution board - Google Patents

Abstract

PURPOSE:To obtain a transportation apparatus for fitting or removing heavy apparatuses to or from a distribution board safely and with good workability without using a large-sized lifter. CONSTITUTION:The title apparatus has a frame 5 put on a floor in front of a distribution board, and a moving truck 4 which moves an apparatus 3 put on this frame 5. Besides, it has rails fitted horizontally to the front frame 6A of the distribution board 6 at the fitted height of the apparatus 3, and wheels 2 or slidable bearings which move rotating or sliding along these rails and are fitted to some parts of the apparatus 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carrying-in / out method and an apparatus for mounting or removing a heavy equipment, such as a circuit breaker, installed in a switchboard to or from the switchboard.

[0002]

2. Description of the Related Art Heavy equipment installed in a switchboard,
For example, a lifter is conventionally used to attach or remove a circuit breaker or the like to or from a switchboard. FIG. 8 is a side view showing the structure of such a lifter, and FIG. 9 is a front view thereof. As shown in FIGS. 8 and 9, this lifter has a vertical frame 14 fixed vertically to the end of a rectangular bottom frame 13 which is parallel to the floor and has wheels 12 for traveling on the floor at both ends. A loading platform 15 which is guided by the vertical frame 14 and moves up and down in the vertical direction is provided. The platform 15 is moved up and down by a hoisting device including a rope 16, pulleys 17A, 17B, 17C and a hoisting unit 18 including a handle and a gear device.

When carrying in equipment such as a circuit breaker installed in the switchboard, the equipment is first placed on the cargo carrier 15 of the lifter, and the lifter is brought close to the front surface of the switchboard 6. Next, the hoisting unit 18 is operated to move the cargo bed 15, and thus the equipment mounted on the cargo bed 15, to the switchboard 6.
Raise to the device mounting height inside. Further, the lifter is brought closer to the switchboard 6 or brought in into the switchboard 6 in some cases, the device is fixedly mounted on a mounting frame or the like, and then the lifter is pulled out to finish the mounting of the device. In addition, a device installed in the switchboard, such as a circuit breaker, may be installed in the switchboard 6
When carrying out from the hoisting unit 1, the lifter is first brought close to the front surface of the switchboard 6 or carried into the switchboard 6.
8 is operated to raise the platform 15 to the height at which the device is mounted, and then the device is removed from the device mounting frame or the like inside the switchboard 6 and the device is placed on the platform 15. Thereafter, the lifter is pulled out from the switchboard 6 with the device placed on the loading platform 15 to complete the unloading of the device.

[0004]

In such a method of attaching or detaching a device using a lifter, when the target device is large and heavy, the weight balance is lost when the lifter carrying the device is moved and the lifter falls over. The lifter may be provided with a counterweight for weight balance in order to prevent this. However, in this case, there is a drawback that the lifter becomes large. In addition, the lifter itself blocks the front surface of the work portion where the device is attached or detached, so the workability is poor.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a carrying-in / out method and a device therefor, which attach or detach a heavy device to or from a switchboard safely and with good workability without using a large lifter.

[0006]

In order to achieve the above object, the present invention provides a method for loading and unloading a heavy equipment, which is installed in a switchboard, into and out of the switchboard. A rail running horizontally is installed at the mounting height position of the equipment of the frame, while a wheel rolling along this rail is attached to the equipment to be installed, and this wheel is engaged with the rail and along this rail. Equipment shall be moved. The apparatus for carrying out this method is a pedestal placed on the floor in front of a switchboard, a mobile trolley for moving the equipment on the pedestal, and a mounting height position of the device on a device mounting frame of the switchboard. A rail mounted horizontally on the rail and wheels which roll along the rail and whose rolling shaft is mounted on a part of the machine. In this case, instead of the wheels, slide bearings that slide along the rails are attached to a part of the device. Further, the rail suspends or supports the equipment by means of wheels engaging with the rail. Furthermore, the mount on which the moving carriage that mounts the equipment and moves is movable up and down.

[0007]

According to the structure of the present invention, the wheels or slide bearings attached to a part of the equipment are engaged with the rails running in the horizontal direction which are attached to the equipment mounting height position of the equipment mounting frame of the switchboard, and the equipment is mounted. Since the device is suspended or supported and moved, the device can be horizontally moved to a predetermined position along the rail to install or remove the device, and the device can be safely carried in and out with good workability.

[0008]

FIG. 1 is a side view showing an embodiment of the present invention, and FIG. 2 is a sectional view of FIG. 1 taken along the line AA. 1 and 2
In, the device mounting frame 6A for mounting the device 3 is located closer to the back side than the front door 6B of the switchboard 6 by the space of the device 3. The rail 1 is horizontally attached to the device mounting frame 6A. The rail 1 is provided with a mounting seat 1A for mounting on the device mounting frame 6A and a reinforcement 1B for bearing the weight of the suspended device 3.

In this embodiment, a rolling shaft 2A of a wheel 2 for suspending the equipment 3 on a rail 1 is attached to a part of the equipment 3 on a mounting plate 3A of the equipment 3 via a wheel attachment metal 2B. To attach the device 3 to the switchboard 6, do the following. The pedestal 5 is placed on the front floor of the switchboard 6, and the mobile trolley 4 having the device 3 mounted thereon is placed on the pedestal 5. To mount the device 3 on the moving carriage 4, use the mounting plate 3A of the device 3 to move the moving carriage 4.
Screw to. At this time, the wheel 2 has such a height that it can be inserted into the rail 1. The movable carriage 4 can be moved on the upper surface of the mount 5 by wheels 4A.

In the above state, the moving carriage 4 is moved to insert the wheel 2 into the rail 1, and after the wheel 2 is completely inserted into the rail 1, a stopper 7 is attached to the end of the rail to move the device 3 to the moving carriage 4 Remove equipment 3 from rail 1 to wheels 2
The mounting plate 3A is pushed down to a predetermined position 3B of the switchboard 6 in a state of being suspended by, and the mounting plate 3A is attached to the device mounting frame 6A by screwing. At this time, since the movable carriage 4 is removed, there is no obstruction on the front surface of the device 3, and the device 3 can be mounted on the switchboard 6 with good workability. The stopper 7 serves to prevent the wheel 2 from coming off the rail 1 and dropping the device 3 when the device 3 is removed from the moving carriage 4.

After the device 3 is mounted at a predetermined position, the rail 1, the mounting seat 1A, the reinforcement 1B, the wheel mounting metal 2B and the wheel 2 are removed and stored in a predetermined place together with the movable carriage 4 and the gantry 5. When removing the device 3 from the switchboard 6, the work is performed in the reverse order of the above-described operation.

The structure in which the height of the gantry 5 can be raised and lowered facilitates the work of mounting the movable carriage 4 on the gantry 5. FIG. 7 is a configuration diagram showing an example of a frame whose height can be raised and lowered. In FIG. 7, at least two sets of X-shaped links 53 and 54, which are rotatably pin-coupled at the center, are provided between the lower plate 51 and the upper plate 52, and one ends of the links 53 and 54 are respectively connected to the lower plate 51. Wheels 55 pivotally supported on the upper plate 52 and rolling on the lower plate 51 and the upper plate 52 are provided on the other end side of the link. Further, a jack 56 is provided between the lower plate 51 and the upper plate 52.
When the jack 56 is expanded and contracted by providing the above, the pedestal in which the upper plate 52 moves up and down in parallel with the lower plate 51 is obtained.

When the mounting position of the device 3 in the switchboard is low, the pedestal 5 can be omitted. Although the example in which the rail 1 is attached to the upper side of the device 3 is shown in the embodiment of FIG. 1, the rail 1 may be attached to the lower side of the device 3.
FIG. 3 shows a side view of the embodiment in which the rail 1 is attached to the lower side of the device 3.

In FIGS. 1, 2 and 3, the wheel 2 faces the inside, but it may also face the outside as shown in FIG. FIG. 4 is an explanatory diagram showing the orientation of the wheels 2. FIG. 5 is a side view showing the structure of an embodiment using a cylindrical rail instead of the rail and wheels and a slide bearing that slides axially inside the rail, and FIG. 6 is a detailed perspective view of the slide bearing portion. In FIGS. 5 and 6, the rail 10 has a cylindrical shape, and a notch 10A is provided on the lower side of the cylinder so that the device support fitting 9 can pass therethrough. A slide bearing 8 is provided between the device support fitting 9 and the cylindrical rail 10 so as to be slippery.

[0015]

According to the configuration of the present invention, a switchboard for mounting or removing a heavy equipment, such as a circuit breaker, which is installed in the switchboard, is attached to or removed from the switchboard safely and with good workability without using a large lifter. It can be carried in and out from the inside or from the switchboard.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a sectional view of FIG. 1 taken along line AA.

FIG. 3 is a side view of the embodiment in which the rail is attached to the lower side of the device.

FIG. 4 is an explanatory view showing directions of wheels.

FIG. 5 is a side view showing the structure of an embodiment using a cylindrical rail and a slide bearing that slides in the rail in the axial direction.

FIG. 6 is a detailed perspective view of a slide bearing portion.

FIG. 7 is a configuration diagram showing an example of a gantry whose height can be raised and lowered.

FIG. 8 is a side view showing a configuration of a conventional lifter.

FIG. 9 is a front view showing a configuration of a conventional lifter.

[Explanation of symbols]

 1 Rail 1A Mounting Seat 1B Reinforcement 2 Wheels 2A Rolling Shaft 2B Wheel Mounting Gold 3 Equipment 3A Mounting Plate 4 Mobile Truck 4A Wheel 5 Frame 6 Switchboard 6A Front Frame 7 Stopper 8 Slide Bearing 9 Equipment Support Bracket 10 Rail 10A Notch 51 Lower Plate 52 upper plate 53 X-shaped link 54 X-shaped link 55 wheel 56 jack

Claims (6)

[Claims] 1. A method of loading and unloading a heavy device installed in a switchboard to or from the switchboard, the rail running horizontally at a mounting height position of the device in a device mounting frame of the switchboard. And a wheel that rolls along this rail is attached to the equipment to be attached, and this equipment is moved along this rail by engaging this wheel with the rail and carrying out the internal equipment of the switchboard. How to enter. 2. An apparatus for carrying out the method according to claim 1, wherein a gantry placed on a floor in front of a switchboard, a movable carriage for moving the equipment on the gantry, and a switchboard of the switchboard. A rail mounted horizontally on the mounting frame of the equipment at a mounting height position of the equipment, and a wheel rolling along the rail and having its rolling shaft mounted on a part of the equipment. Equipment for loading and unloading internal equipment of switchboards. 3. The apparatus for loading / unloading internal equipment of a switchboard according to claim 2, wherein instead of the wheels, slide bearings sliding along the rails are attached to a part of the equipment. 4. The apparatus for loading / unloading internal equipment of a switchboard according to claim 2 or 3, wherein the rail suspends the equipment by wheels engaging with the rail. 5. The apparatus for loading / unloading internal equipment of a switchboard according to claim 2 or 3, wherein the rail supports the equipment by means of wheels engaging with the rail. 6. The apparatus for carrying in / out the internal equipment of a switchboard according to claim 2, wherein the gantry is vertically movable.