JP2003084093A - Cask conveyer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily allow coping-with in construction and extension of large scale facility, to avoid deterioration and shortening of a life caused by hot air from a cask, to eliminate falling-down, interference and a collision event in handling of the cask, to reduce an occupied area by a cask storage facility itself, and to enhance a cask storage rate. SOLUTION: This cask conveyer for conveying the cask 6 between a cask receiving area 2 and a cask storing area 4 of the cask storage facility 1 is provided with a cask transfer means 11 arranged within the cask receiving area to transfer the cask from/to an external carrying-in and put means, and to regulate vertically and laterally a posture of the cask 6 therein, a cask elevating means 15 for mounting and demounting the cask via the cask transfer means and for holding the cask elevatably, an on-floor traveling type cask moving means 11 for making the cask movable between the cask receiving area 2 and the cask storing area 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention packs radioactive waste such as spent nuclear fuel generated in a nuclear power plant or the like in a storage container (referred to as a cask or canister; hereinafter, typically referred to as "cask"). The present invention relates to a cask transfer facility that is applied to a cask storage facility for storing and transfers the cask within the facility.

[0002]

2. Description of the Related Art Conventionally, radioactive waste such as spent fuel has been packed in cask and stored intermediately in a cask storage facility until reprocessing. This cask storage facility has a cask receiving area and a cask storage area.When a dry cask, for example, a cylindrical cask is stored in this cask storage area, the cask vertical placement method with the cylinder axis vertical and the cylinder axis center The horizontal horizontal cask system is used.

The cask vertical placement system can improve the storage density efficiently, but it is premised on the use of an overhead crane or a gate crane having a span across the storage area as a cask handling device.

Further, in the cask horizontal placement system, the handling at the time of receiving is performed by an overhead crane, and the transportation to the storage position is performed by a cask lateral stacking type trolley or the like. This cask horizontal stacking type trolley is a method using a track,
Alternatively, a trackless type is also proposed. In addition,
A power source is used as a drive source for the horizontally stacked casks, and a power source is supplied from an overhead wire laid on the ceiling of the entire facility, or a cable is routed.

[0005]

SUMMARY OF THE INVENTION As mentioned above,
In the cask vertical placement system, an overhead crane or a gate crane having a span spanning a storage area is used as a cask handling device. These cranes require the laying of multiple cranes when constructing a building for a large cask storage facility or when adding more, and the laying of tracks for moving these cranes is required for the entire storage facility. The construction and expansion will be large-scale. Further, these cranes are always exposed to the hot air from the cask, and there is a problem in that deterioration of electrical components and the life of the cranes are shortened. Further, since the cask is moved in a suspended state, when the cask storage facility is large or the storage facility is expanded, the traveling distance in the suspended state becomes long and the workability deteriorates.

Further, in the cask horizontal placement system, the floor occupying area of the moving mechanism such as the above-mentioned cask horizontal stacking type trolley must be larger than that in the cask vertical placement system, and the cask itself is heavy. Therefore, since the load on the moving mechanism is large, the structure of the moving mechanism itself has to be heavy, which requires a vast area for the moving path in the storage facility necessary for moving, and the cask storage facility becomes large. Or, the storage rate of the cask decreases. In addition, it is troublesome to prevent earthquakes and toppling against stress (horizontal force in the transverse direction) applied at right angles to the direction of travel (track), but on the other hand, do not move along a specific route, even in the method of running wheels without a track. Therefore, careful operation is required to avoid interference and collision with other cask and storage facility structures.

Regarding the power supply, in the method of using the overhead wire, it is necessary to lay the overhead wire over the entire storage facility, and it is difficult to cope with the case where the cask storage facility is large and the expansion of the cask storage facility. . Similarly, in the cable routing system as well, when the cask storage facility is enlarged or expanded, the power cable to be routed becomes long, making routing difficult, and at the same time, the influence of voltage drop cannot be avoided.

The present invention has been made in order to cope with such a conventional situation, and it is easy to cope with the construction or expansion of a large facility, avoid deterioration due to hot air from the cask and shorten the life, and handle the cask. It eliminates falling, interference, and collision events, reduces the area occupied by the cask storage facility itself, and improves the cask storage rate, as well as seismic resistance.
It is also an object of the present invention to provide a cask transfer facility capable of improving safety and reliability, which can easily cope with power supply at the time of construction or expansion of a large facility, in consideration of fall prevention.

[0009]

In the invention according to claim 1, in the invention according to claim 1, in a cask transfer facility for transferring a cask between a cask receiving area of a cask storage facility and a cask storage area 4, A cask passing means arranged in the cask receiving area, capable of passing the cask to and from an external carry-in / out means and adjusting the posture of the cask horizontally at that time, and the cask passing through the cask passing means. And a cask moving means for moving the cask between the cask receiving area and the cask storage area 4, and a cask moving means for moving the cask between the cask receiving area and the cask storage area 4. A characteristic cask transportation facility is provided.

According to a second aspect of the invention, in the cask transfer facility according to the first aspect, the cask delivery means is
Provided is a cask transfer facility, which is a crane provided on a cask moving means or a crane installed on a building side of a cask storage facility.

According to a third aspect of the present invention, in the cask transfer facility according to the first or second aspect, the cask lifting means is a forklift or a lifting mechanism provided in the cask moving means. provide.

According to a fourth aspect of the present invention, in the cask transfer facility according to the third aspect, the cask moving means is an integrally structured vehicle provided with at least one of the cask delivering means and the cask elevating means, or the cask delivering means and (EN) Provided is a cask transfer facility, which is a vehicle having a structure in which a child carriage provided with at least one of the cask lifting means and a parent carriage carrying the child carriage are combined.

According to the invention of claim 5, claims 1 to 4
In the cask transportation facility according to any one of 1 to 3, the cask transportation means has a track laid on the floor of the cask storage facility and a track vehicle that moves along the track. Provide equipment.

According to the invention of claim 6, claims 1 to 4
In the cask transportation facility according to any one of 1 to 3, the cask moving means is a vehicle in which wheels can be raised and lowered with respect to the vehicle body within a certain range, and the vehicle includes a spring mechanism for urging the wheels downwardly of the vehicle body, The present invention provides a cask transfer facility having an air caster for levitating the vehicle body within a range where the vehicle lands.

According to a seventh aspect of the present invention, in the cask transportation facility according to the sixth aspect, the air casters are divided into a plurality of parts, and the air caster elements of the plurality of divided systems individually bear the vehicle body raising force. The present invention provides a cask transportation facility.

According to the invention of claim 8, claims 1 to 7
In the cask transfer equipment according to any one of the above, the moving force of the cask transfer means is obtained by a small auxiliary vehicle having neither the cask transfer means nor the cask lifting means. provide.

According to a ninth aspect of the present invention, there is provided the cask transportation facility according to the fifth aspect, wherein the cask moving means is provided with a tipping prevention device formed so as to grasp a track. To do.

According to a tenth aspect of the invention, in the cask transfer facility according to any one of the first to ninth aspects,
The cask moving means is a vehicle driven by electric power,
Provided is a cask transfer facility, wherein the power supply means is a contact current collecting mechanism provided on the floor or track of a cask storage facility.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a cask transportation facility according to the present invention will be described below with reference to the drawings.

First Embodiment (FIGS. 1 to 3) FIG. 1 is an overall view showing a cask transport facility and a cask storage facility to which the cask transport facility according to the first embodiment of the present invention is applied, and illustrates a cask receiving state. is doing. Figure 2
(A) is an enlarged view of the cask transportation facility, AA
The line cross-sectional shape is shown in FIG. FIG. 3 shows FIG.
The modification of the cask conveyance equipment shown to (A) is shown. In the present embodiment, the case where the cask is drum-shaped will be described.

As shown in FIG. 1, a cask storage facility 1
Has a building 3 that constitutes the cask receiving area 2 and a building 5 that constitutes the cask storage area 4.
Inside the cask receiving area 2, there is a cask 6 from the outside.
An external carry-in / out means for carrying in and out, for example, a trailer 7 and the like can be put in and taken out, a space where the cask transfer facility 8 of the present embodiment can stand by, and the cask 6 can be handed over is secured.

On the floor 4a of the cask storage area 4, a large number of installation bases 9 for installing casks are installed, and the casks 6 are placed on these installation bases 9 in a vertical placement system. The installation base 9 is
It is for inserting and removing a fork of a forklift to be described later.

In the cask receiving area 2 and the cask storage area 4, a track-free transportation path 10 connecting both areas 2 and 4 at the same height as the floor surfaces of the floors 2a and 4a in the buildings 3 and 5, respectively.
Is provided. In addition, in the building 5 of the cask storage area 4 of the cask storage facility 1 of the present embodiment, the cask 6
An overhead crane for transportation is not required.

The cask transfer facility 8 of this embodiment is shown in FIG.
As shown in (A) and (B), an integrated vehicle 11 for running on a track-free road surface, which is a cask moving means, is provided. The vehicle 11 includes a drive mechanism (not shown), a drive mechanism,
A vehicle 12 having a steering mechanism and the like is supported by wheels 13 such as tires, and a mobile crane 14 as a cask transfer means, a forklift 15 and a cask holding arm 16 as a cask lifting means are provided on the front side of the car body 12. Is equipped with. Below, these mobile cranes 1
4, forklift 15 and cask holding arm 16
Will be described.

The mobile crane 14 is a vehicle body 1 of the vehicle 11.
2, a telescopic boom 17 that can be horizontally fixed along the front-rear direction, or can rotate the front end side up or down or left and right by a predetermined angle, and a hoisting line 18 and a hook 19 provided at the tip of the boom 17. ing. The mobile crane 14 can be operated by a driving mechanism in the vehicle 11.

The forklift 15 includes a lift portion 20 supported by a vehicle body 12 so as to be able to move up and down and adjust a front-rear angle, and a pair of left and right cask mounting forks provided at a lower end of the lift portion 20. 21 and, like a normal forklift, the bottom portion of the cask 6 in a vertical state can be supported from below and can be moved up and down.

The cask holding arm 16 is arranged in a pair of left and right at a predetermined height position of the lift portion 20 of the forklift 15 and is arranged substantially parallel to the fork 21 so as to project forward.
These cask holding arms 16 are movable in the same amount in the left-right direction at the same time, and their center positions are always constant. The cask 6 can be held by moving the cask holding arms 16 in the approaching direction to each other, and the cask 6 can be opened by expanding the distance between the cask holding arms 16 by moving in the separating direction. You can Each of these cask holding arms 1
The pad 1 on which the arcuate surface that matches the outer peripheral surface of the cask 6 is formed on the opposing surface of the cask 6 as shown in FIG. 2B, for example.
6a and these pads 16a can securely hold both outer side surfaces of the cask 6 in a clamped state.

Next, the operation will be described. With the configuration described above, in the present embodiment, the carrying in / out operation of the cask 6 is performed only in the cask receiving area 2. That is, FIG.
As shown in FIG. 4, the cask 6 carried in by the trailer 7 is taken out from the trailer 7 by being lifted by the mobile crane 14, and is received by the cask transport facility 8. At the time of receiving this, the cask 6 can be lifted in a vertical posture by raising the cask 6 from a horizontally placed state. The raised cask 6 is vertically suspended in the forklift 15.

At this time, a portion of the cask 6 having its bottom portion mounted on the forklift 15 above the intermediate position in the vertical direction is clamped and fixed by the cask holding arm 16. After that, the vertically placed cask 6 is lifted to a predetermined height by a forklift 15, and the vehicle 11 as a moving mechanism travels along the passage from the cask receiving area 2 to a predetermined storage position in the cask storage area 4. Then, after that, the forklift 15 is lowered, and the cask 6 is set on the mounting base 9. During this movement, the cask 6 is held by the cask holding arm 16 mounted on the forklift 15 to prevent the cask 6 from falling and falling.

According to the present embodiment described above, it is not necessary to lay a plurality of overhead cranes or the like for transportation, which covers the entire cask storage area 4. Further, it is not necessary to install a track for guiding the overhead crane or the like throughout the storage facility. Therefore, the construction of the cask storage facility 1
It is easy to deal with the case of expansion and can contribute to cost reduction.

Further, according to the cask transportation facility 8 of the present embodiment, the vehicle 11 is moved to the cask storage area 4 only when the cask 6 is set at a predetermined position, and when the cask 6 is received or otherwise not used. It is possible to evacuate to the cask receiving area 2. This allows
The cask 6 can be isolated from the storage area where it is always stored, and unlike the conventional overhead crane installation configuration, it is not always exposed to the hot air from the cask 6. Therefore, the cask transportation facility 8 of the present embodiment can avoid deterioration due to hot air and shortened life.

The cask holding arm 16 can prevent the cask 6 from falling and falling. Further, since the cask is vertically placed, the area occupied for storage is smaller than that of the cask storage facility that is horizontally placed and the vehicle 11 serving as the cask moving mechanism is provided.
Can be made smaller than the floor area of a horizontally stacked dolly. Therefore, it is not necessary to take a wide movement route, and the cask storage rate can be improved.

FIG. 3 shows a modified example of the drive wheel portion of the vehicle 11 in the first embodiment. That is, FIG. 3 shows an example of the cask transportation facility 8 using the crawler 22 as the structure of the vehicle 11. The crawler 22 is one of means of a moving mechanism suitable for moving the cask 6, which is a heavy object, and can move in all directions, so that it is possible to reduce an area for a moving path in the storage facility. The cask storage rate can be improved. Other configurations and operations of the cask moving facility 8 shown in FIG. 3 are substantially the same as those shown in FIG.
2 are assigned to the corresponding portions and description thereof will be omitted.

Second Embodiment (FIGS. 4 and 5) FIG. 4 is an overall view showing a cask transport facility 8 and a cask storage facility 1 to which the cask transport facility 8 according to a second embodiment of the present invention is applied, in a cask receiving state. Is illustrated. FIG. 5 is an enlarged view of the cask moving means.

The present embodiment differs from the first embodiment in that the cask transfer means is arranged not on the vehicle 11 as the cask moving means but on the side of the building 3 constituting the cask receiving area 2 of the cask storage facility 1. It is the point that the above-mentioned overhead crane 23 is used.

That is, the vehicle 11 of this embodiment is not provided with a moving crane, and instead of this, the building 3 is used.
The overhead crane 23 provided on the side is applied as a means for standing up when the cask 6 is received.
The overhead crane 23 is adapted to horizontally move along a track 24 installed on the ceiling of the building 3 along a direction intersecting with the traveling direction of the trailer 7 and the vehicle 11 as the cask moving means. The rope 25 and the hook 26 are included. Other configurations, that is, the configuration and operation of the vehicle 11, the cask holding arm 16 and the like are substantially the same as those in the first embodiment, and therefore, corresponding parts in FIGS. 4 and 5 are designated by the same reference numerals as those in FIGS. 1 and 2. The description is omitted.

According to this embodiment, the overhead crane 23 is used as the means for raising the cask 6 included in the floor traveling type moving mechanism, so that the vehicle 11 as the cask moving means can be miniaturized. It is possible to reduce the area of the moving route. Therefore, the cask storage rate can be further improved.

Although not shown, a crawler can also be applied to the vehicle 11 as the cask moving means in this embodiment. Further, it is also possible to apply an air caster described later.

Third Embodiment (FIGS. 6 and 7) FIG. 6 is an overall view showing a cask transfer facility 8 and a cask storage facility 1 to which the cask transfer facility 8 according to the third embodiment of the present invention is applied, in a cask receiving state. Is illustrated. FIG. 7 is an enlarged view of the cask moving means.

The present embodiment differs from the first and second embodiments in that the cask elevating means provided in the vehicle 11 as the cask moving means is not the forklift 15 but the forklift 15.
The point is that the lifting mechanism 27 is used. Corresponding to this structure, the structure of the vehicle 11 as the cask moving means is also different from that of each of the above embodiments. The cask transfer means is the overhead crane 23 arranged on the side of the building 3 which constitutes the cask receiving area 2 of the cask storage facility 1 as in the second embodiment.

The vehicle 11 according to the present embodiment has, for example, a vehicle body 12 having a three-sided wall structure in which one surface (front surface) of a quadrangular cylinder surrounding the cask 6 is open, and a plurality of the lower ends of both side walls of the open one surface. The wheels 13 are arranged. As a result, the cask 6 can be inserted inward from the open surface of the vehicle body 12. A hoisting mechanism 27 for hoisting the cask 6 is provided above the vehicle body 12.

This hoisting mechanism 27 is, for example, the vehicle body 12
An elevating drive mechanism 29 including a motor and a gear, a cylinder mechanism, or the like is provided on a bracket 28 that rises from the upper ends of both side walls, and the elevating drive mechanism 29 elevates and lowers a pair of elevating arms 30. The raising and lowering arms 30 can be raised and lowered along the inner sides of both side walls of the vehicle body 12. The lower end of each raising and lowering arm 30 is provided with, for example, a hook-shaped engaging portion (not shown).

The engaging portions of the elevating arms 30 are adapted to hang up by hanging hanging ears formed of a large diameter portion or a protruding portion (not shown) provided near the upper end portion of the outer peripheral surface of the cask 6 from below. ing. This fishing ear can be raised and lowered by the raising and lowering operation of the pair of raising and lowering arms 30 by the raising and lowering drive mechanism, whereby the cask 6 introduced into the vehicle body 12 can be lifted or lowered.

The overhead crane 23, like the second embodiment, has a building 3 which constitutes the cask receiving area 2.
It is configured to horizontally move along a track 24 installed on the ceiling of the vehicle along a direction intersecting with the traveling direction of the trailer 7, and is composed of a hoisting cable 25 and a hook 26.

In the third embodiment having such a structure, the cask 6 is received from the trailer 7 by the overhead crane 23, and the cask 6 is temporarily placed on the floor, for example, in a vertical position. Then, the vehicle 11 as the cask moving means is moved so that the cask 6 is arranged inside the vehicle body 12 from the open portion. In this state, the elevating drive mechanism 29 is driven, and the carried cask 6 is lifted by the elevating arm 30.

As a result, the cask 6 is held in the vehicle body 12 in a suspended state. After that, the cask 6 is suspended from the vehicle body 12 and moved along the transport path 10 to a predetermined storage position in the cask storage area 4. To do. Then, by lowering the arm 11 of the lifting mechanism 27, the cask 6 is placed.

According to this embodiment, the cask moving means can be further downsized, the area of the moving path can be reduced, and the storage rate of the cask 6 can be further improved.

The vehicle 11 of the present embodiment is not limited to the configuration shown in FIG. 7, and it is also possible to apply a crawler as shown in FIG. 3 or an air caster described later.

Fourth Embodiment (FIGS. 8 and 9) FIG. 8 is an overall view showing a cask transportation facility 8 and a cask storage facility 1 to which the cask transportation facility 8 according to a fourth embodiment of the present invention is applied, in a cask receiving state. Is illustrated. FIG. 9 is an enlarged view of the cask moving means.

In this embodiment, the cask moving means is a child carriage 31 provided with a cask elevating means, and the child carriage 3
The vehicle 11 has a structure in which a parent trolley 32 for mounting the vehicle 1 is combined. As for the cask delivery means, as in the second embodiment, an overhead crane 23 is provided on the side of the building 3 that constitutes the cask receiving area 2 of the cask storage facility 1.

Here, the child carriage 31 has substantially the same structure as the vehicle 11 applied in the third embodiment. That is, as shown in FIG.
The vehicle body 12 has a three-sided wall structure in which one surface (front surface) of the quadrangular tubular body that surrounds the vehicle is opened, and a plurality of wheels 13 are arranged at the lower ends of both side walls of the opened one surface. As a result, the cask 6 can be inserted inward from the open surface of the vehicle body 12. A hoisting mechanism 27 for hoisting the cask 6 is provided above the vehicle body 12. The lifting mechanism 27 includes a bracket 28 rising from the upper ends of both side walls of the vehicle body 12 and a lifting drive mechanism 29 including a motor and a gear or a cylinder mechanism.
The pair of elevating arms 30 is moved up and down, and the details thereof are the same as those shown in FIG. 7.

The parent carriage 32 is composed of a horizontal support plate 33 on which the child carriage 31 can be mounted in a sufficiently stable state, and a plurality of wheels 34 provided on the lower surface side of the support plate 33. It is configured to be steerable in all directions.

In addition, when the child carriage 31 is loaded on the parent carriage 32, the carrier truck 10 on which the parent carriage 32 travels can be easily moved by simply moving horizontally.
Is set to be one step lower than the floor surface of the surrounding floor 2a, and the floor surface of the floor 2a on which the child carriage 31 travels and the upper end surface of the parent carriage 32 mounted on the transport path 10 are set at the same height. I am doing it. Other cask storage facilities 1, overhead crane 23
Since the configuration such as the above is substantially the same as that of the third embodiment, the corresponding parts in FIG.

According to the present embodiment, the cask 6 raised by the overhead crane 23 is hoisted by the hoisting mechanism of the child carriage 31 and the child carriage 31 is loaded into the parent carriage 32 in this state. When it is confirmed that the child carriage 31 is surely placed on the parent carriage 32, the cask 6 is hung on the parent carriage 32 and fixedly mounted. Since the parent carriage 32 has a configuration capable of steering in all directions, it can be moved while the child carriage 31 and the cask 6 are mounted, and can be brought close to an arbitrary stationary position in the cask storage area 4.

In the stationary position, the cask 6 is lifted again by the lifting mechanism 27 of the child carriage 31, and while keeping this state, the child carriage 31 is moved away from the parent carriage 32 to the cask stationary position and the lifted cask 6 is lifted. Lower it and set it aside. By such an operation, the child cart 3
1 can shorten the moving distance in the state where the cask 6 is lifted, and the risk of the cask 6 falling can be further reduced.

Also in this embodiment, the child carriage 31
Further, the moving mechanism of the parent carriage 32 is not limited to the above configuration, and a crawler or an air caster described later may be applied.

Fifth Embodiment (FIGS. 10 and 11) FIG. 10 is an overall view showing a cask transportation facility 8 and a cask storage facility 1 to which the cask transportation facility 8 according to the fifth embodiment of the present invention is applied, and shows a cask receiving state. Is illustrated.
FIG. 11 is an enlarged view of the cask moving means.

In the present embodiment, the cask moving means is a track 35 laid on the transfer path 10 on the floor of the cask storage facility 1, and a track vehicle 11a moving along the track 35.
It is configured to have and.

As shown in FIG. 10, the cask storage facility 1
On the floor 4a surface of the cask receiving area 2 and the cask storage area 4, a track 35 having rails 35a laid as the transport path 10 is provided. This orbit 35
For example, it is composed of one continuous main track 36 extending from the cask receiving area 2 side to the cask storage area 4 side, and a plurality of branch tracks 37 intersecting the main track 36 on the cask storage area 4 side. A turning mechanism 38 capable of turning on a horizontal plane is provided at the intersection of the main track 36 and each branch track 37. The track vehicle 11a is turned around by the turning mechanism 38, along the transport path 10 including the main track 36 and the branch tracks 37, between the cask receiving area 2 and the cask storage area 4, and within the cask storage area 4. It can be moved to a predetermined cask storage location.

On the other hand, as the track vehicle 11a, all types of vehicles 11 described above and vehicles of various other configurations can be applied as long as they have the track wheels 13a.
In the following example, a case will be described in which a track vehicle 11a having a configuration in which a child carriage 31 and a parent carriage 32 that are substantially similar to those in the fourth embodiment are combined is applied.

As shown in FIG. 11, the track vehicle 11a includes a child carriage 31 having an opening on one side and having a lifting mechanism 27, and a parent carriage 32 on which the child carriage 31 can be mounted. The configuration of the sub-carriage 31 is substantially the same as that of FIG. 9 shown in the fourth embodiment, and therefore, corresponding parts in FIG. 11 are assigned the same reference numerals as those in FIG. 9 and description thereof is omitted.

The parent carriage 32 comprises, for example, a flat support plate 33 having a substantially quadrangular shape in plan view, and a track wheel 34a arranged on the lower surface side along parallel sides of the support plate 33.
5 can run along the rail 35a. On the upper surface of the support plate 33, a pair of parallel recessed grooves 39 is formed along a direction intersecting the traveling direction of each track wheel 34a. Each groove 39 is set to have a width and a length with which the wheel 13 of the child carriage 31 is positioned in a state of being inserted therein. The child carriage 31 can be stably fixed and mounted in a state where the wheel 13 is inserted into the groove 39 of the support plate of the parent carriage 32.

The rail 35 on which the parent carriage 32 travels so that the child carriage 31 can be easily loaded by simply moving horizontally when the child carriage 31 is loaded onto the parent carriage 32.
The upper surface of a and the traveling floor surface of the child carriage 31 are at the same height,
As a result, the track 35 on which the rail 35a is installed is set one step lower than the floor surface. In addition, the turning mechanism 3 described above
8 is set to have the same level as the track on which the parent carriage 32 travels, and the parent carriage 32 moves horizontally to easily get on the turning mechanism 38.

Regarding the cask delivery means,
Similar to the second to fourth embodiments, since the ceiling crane 23 is disposed on the side of the building 3 that constitutes the cask receiving area 2 of the cask storage facility 1, these configurations are shown in FIGS. 10 and 11. The same reference numerals as those of the above-described respective embodiments are given to omit the description.

When the cask 6 is conveyed by this embodiment having such a configuration, as shown in FIG. 10, the parent carriage 32 is previously arranged on the track of the cask receiving area 2, and the child carriage 31 is Trailer 7 near the parent truck 32
The cask 6 is placed in a position where it can be received. Then, as in each of the above-described embodiments, the cask 6 is lifted up from the trailer 7 by an overhead crane and lifted up, and the cask 6 is temporarily placed on the floor surface, and then the lifting mechanism of the child cart 31 moves the cask 6 inside the cask 6. To lift. In this state, the child carriage 31 is moved to the parent carriage 32, and the wheels 13 of the child carriage 31 are moved to the parent carriage 3
After confirming that the cask 6 is securely mounted in the concave groove of the second support plate, the cask 6 is hung and fixed on the parent carriage 32.

The parent carriage 32 can be moved along the track to the cask storage area 4 side while the child carriage 31 and the cask 6 are mounted. At the time of this movement, first, the main orbit 36 moves to the branch orbit 37, but in that case, the turning mechanism 38 can change the orbit in a predetermined direction. Sub-carriage 31
The hoisting mechanism may temporarily hoist the cask 6, and in that state, the child car 31 may be moved from the parent car 32, the cask 6 may be moved to the installation location, and the cask 6 may be hung and placed.

According to the cask transportation facility 8 of the present embodiment having the above-mentioned configuration, the parent carriage 32 travels along a predetermined track, so that when the cask is handled, interference with other casks and storage facility structures can be prevented. A collision event can be reliably avoided. Further, the movement in the traveling direction other than the straight route when traveling on the track is performed by the parent carriage 32 and the track wheels 3.
Although only the track shape having a certain curvature or more can be moved due to the shape and structure of 4a, by providing the turning mechanism 38, the traveling direction can be changed to an arbitrary direction, so that the inside of the cask storage facility 1 can be changed. It is possible to reduce the area of the moving path of the. Furthermore, the cask storage area 4 can be expanded / expanded in any direction, and the cask storage rate can be improved.

Various modifications can be made to this embodiment. For example, it is possible to install a sub-carriage track for moving the sub-carriage 31 and use the sub-carriage 31 as a track traveling system. When such a track for the child carriage 31 is used, the carriage is guided by the track to the position where the cask 6 is set, so that more reliable installation is possible. In this case, the parent truck 32 is provided with a track for mounting the child truck instead of the groove 39, so that the child truck 3
It is possible to easily guide the vehicle 1 when getting on the parent carriage 32.

Sixth Embodiment (FIGS. 12 to 14) FIG. 12 is an overall view showing a cask transportation facility 8 and a cask storage facility 1 to which the cask transportation facility 8 according to a sixth embodiment of the present invention is applied, and shows a cask receiving state. Is illustrated.
FIG. 13 is an enlarged view of the cask moving means.
(A)-(D) is explanatory drawing which shows the partial structure of a cask moving means, and its effect | action.

This embodiment is intended to reduce the weight and size of the vehicle 11 by using the air caster 40 to apply a pushing force to the vehicle body of the vehicle 11 as the cask moving means. In the following example, a case where the air caster 40 is applied to the vehicle 11 in which the child carriage 31 and the parent carriage 32 having substantially the same configuration as that of the fifth embodiment are combined will be described.

As shown in FIG. 12, the cask storage facility 1
On the floor surfaces of the cask receiving area 2 and the cask storage area 4 of FIG. The transfer path 10 includes one continuous main transfer path 10a extending from the cask receiving area 2 side to the cask storage area 4 side and the main transfer path 1 on the cask storage area 4 side.
It is composed of a plurality of branch conveyance paths 10 intersecting with 0a.
At the intersection position of the main transport path 10a and each branch transport path 10,
A turning mechanism 38 capable of turning on a horizontal plane is provided. The vehicle 11 as the cask moving means has the turning mechanism 3
By changing the direction at 8, between the cask receiving area 2 and the cask storage area 4, and all cask storage locations in the cask storage area 4 along the conveyance path 10 composed of the main conveyance path 10a and the branch conveyance path 10b. Can be moved to and from.

On the other hand, as shown in FIG. 13, the vehicle 11 has a child carriage 31 having a lifting mechanism 27 and a child carriage 31.
And a parent trolley 32 on which can be mounted. These child carts 31
The parent carriage 32 is self-propelled and can be steered in all directions. Regarding the basic configuration of this vehicle 11,
Since it is substantially the same as that of FIG. 11 shown in the fifth embodiment, the corresponding parts in FIG. However, the wheels 34 of the parent carriage 32 of the present embodiment are trackless road surface traveling wheels 34. The wheels 34 are provided so as to be movable up and down within a certain range from the vehicle body 12. As shown in FIG. 14A, the wheels 34 are rotationally driven by a drive mechanism 41 and are biased downward by a spring mechanism 42 with a predetermined elastic force. There is.

An air caster 40 is provided on the bottom of the vehicle body 12 at a position inside the wheels 34. The air caster 40 is formed of, for example, a donut-shaped bag body, and is inflatable by supplying compressed air from an air supply device (not shown). This air caster 40 is fixed to the bottom of the vehicle body 12 of the parent carriage 32,
When not in use, the vehicle body 12 is contracted and slightly separated from the floor surface, and when inflated, the vehicle body 12 is pushed up by contacting the floor surface.
Further, a large number of air ejection holes are formed on the lower side of the bag body,
The compressed air that is further supplied after the bag is inflated is ejected downward from the air ejection hole, whereby the air caster 40 floats above the floor surface. Note that FIG.
As shown in, a support board 43 is provided at a central position of a lower portion of the vehicle body 12 of the parent carriage 32 so as to contact a floor surface and support a load when the vehicle body 12 descends.

Next, the operation will be described with reference to FIGS.

In FIG. 14A, a parent carriage 32 and a child carriage 31 are shown.
And the state where the cask 6 is not mounted is shown. In this state, the parent carriage 32 is supported only by the wheels 34, and can be driven on the road surface of the transport path 10 by driving the wheels 34. That is, the compressed air is not supplied to the air caster 40, the air caster 40 is in a contracted state, and the spring mechanism 42 for urging the wheels 34 is provided in the vehicle body 12.
It is in a compressed state under the weight of. Wheel 34
Has entered the inside of the body 12 of the parent carriage 32. Further, the support board is arranged above the road surface of the transport path 10 with a slight distance therebetween.

FIG. 14B shows a state in which the child cart 31 and the cask 6 are mounted on the parent cart 32 with the air caster 40 contracted and at the time of stop. In this state, since the load of the cask 6 is applied to the wheels 34, the spring mechanism 42 is slightly contracted to lower the height of the vehicle body 12, and the support board 43 at the bottom of the vehicle body 12 comes into contact with the road surface of the conveyance path 10 to cause the vehicle body 12 to move.
The total load of the above is supported by the support board 43. As a result, the load on the wheels 34 and the spring mechanism 42 is reduced.

FIG. 14C shows a state where the air caster 40 is expanded to the maximum by the supply of compressed air. In this state, the expanded air casters 40 come into contact with the conveyance road surface, and the body 12 of the parent carriage 32 is lifted by the expanding force of the air casters 40. The support board 43 ascends together with the vehicle body 12 and is separated from the transport road surface. The wheel 34 is the body 1 because the vehicle height is high.
2, the spring mechanism 42 is in a slightly extended state.

FIG. 14D shows a state in which compressed air is further supplied to the air casters 40, compressed air is jetted downward from the air jet holes, and the vehicle body 12 is further raised. This state is the state during the cask transportation of the present embodiment. That is, the air pressure overcomes the loads of the cask 6, the child carriage 31, and the parent carriage 32, and the air caster 40
And, a small amount of air film is formed in the space between the support board 43 and the transport road surface. By constantly supplying a small amount of air continuously to maintain this state, the child carriage 31 and the parent carriage 32 on which the cask 6 is mounted float slightly above the road surface of the transport path 10. In this state, the wheels 34 are further lowered from the vehicle body 12, and the spring mechanism 42 is further extended. In this state, by using the self-propelled and omnidirectionally steerable wheels 13 of the parent carriage 32 and a drive device, the parent carriage 32 is moved to a predetermined storage position, and when it reaches the predetermined storage position, the lifting mechanism 27 of the child carriage 31 is used. Similarly, cask 6
Defer. During this cask transportation, the vehicle body 12 is supported by the levitation force of the air casters 40, so that no extra load is applied to the wheels 13.

Therefore, according to this embodiment, the parent carriage 3 having the cask 6 and the child carriage 31 which are heavy objects is mounted.
Since the weight of the entire vehicle 11 is reduced by making the air levitate 2, the wheels 13 can rotate and move the vehicle body 12 with a small driving force. Therefore, it is easy to change the direction. Further, since the weight load of the parent carriage 32 is reduced, the parent carriage 32 and the vehicle 11
It is possible to reduce the size of the entire equipment, which makes it possible to reduce the area of the storage equipment necessary for the movement, and to avoid the enlargement of the storage equipment and the reduction of the storage rate of the cask 6. .

The air jetting structure of the air caster 40 can be applied not only to the parent carriage 32 but also to the child carriage 31 or the turning mechanism. With such a configuration, it is possible to further reduce the size of the transportation facility 8 as a whole.

Seventh Embodiment (FIGS. 15 and 16) FIG. 15 is an enlarged perspective view showing cask moving means of the cask transfer facility 8 according to the present invention, and FIG.
FIG.

The present embodiment is a modification of the air caster 40 shown in the sixth embodiment.

That is, as shown in FIGS. 15 and 16, in this embodiment, the air caster 40 provided on the parent carriage 32 of the vehicle 11 as the cask moving means.
Is divided into a plurality of donut-shaped air caster elements 40a, 40b, 40c having different diameters, and the divided plural systems of air caster elements 40a, 40c
By using b and 40c, it is possible to individually bear the lifting force of the vehicle body 12.

In the example shown in FIG. 16, the parent carriage 32
In the lower portion of the vehicle body 12, three air caster elements 40a, 40b, 40c are arranged in a concentric arrangement. Note that other configurations are substantially the same as those in the sixth embodiment, and therefore, the same reference numerals as those in FIGS. 13 and 14 are given to FIGS. 15 and 16, and description thereof is omitted.

In the seventh embodiment having such a configuration, the air caster 40 is provided with a plurality of systems of air caster elements 40a, 40b, 40c, so that the air caster elements 40a, 40b, 4 are provided.
Even if any one of 0c is damaged,
It becomes possible to operate the other system as a spare, and the function as the cask moving means can be maintained and the reliability can be improved.
The configuration of the present embodiment can be applied not only to the parent carriage 32 but also to the child carriage 31 or the turning mechanism 38.

Eighth Embodiment (FIGS. 17 and 18) FIG. 17 is an enlarged perspective view showing cask moving means of the cask transfer facility 8 according to the present invention, and FIG.
3 is a side view (viewed from the arrow B) of FIG.

The present embodiment is a modification of the drive mechanism of the bogie structure with the air casters 40 as the cask moving means shown in the sixth embodiment.

As shown in FIGS. 17 and 18, in the present embodiment, the parent carriage 32 does not have a drive mechanism for movement, and the movement power of the parent carriage 32 is an attached small auxiliary vehicle. The configuration is obtained by 44. That is, the auxiliary vehicle 44 is attached to, for example, a side portion of the parent vehicle 32 so as to be integrally movable, and a drive mechanism such as a motor (not shown) for driving wheels 45 of the small auxiliary vehicle 44 and traveling control. A device or the like is provided, and by moving the auxiliary vehicle 44 forward or backward, the moving force of the parent carriage 32 for cask transportation can be obtained. It should be noted that the auxiliary vehicle 44 has neither a cask delivery means nor a cask lifting means. The other configurations of the child carriage 31, the parent carriage 32, and the like are substantially the same as those of the sixth embodiment, and therefore, the same reference numerals as those in FIGS. 13 and 14 are given to FIGS. 17 and 18, and the description thereof will be omitted. .

In carrying out the cask 6 in this embodiment as described above, a donut type air caster 40 arranged at the bottom of the parent carriage 32, a support board 43 arranged at the center thereof, and the parent carriage. An auxiliary vehicle 44 that controls the traveling of 32 is used. The operation method of the air casters 40, the support board 43, etc. is the same as that of the sixth embodiment shown in FIG. The body 1 of the parent trolley 32 by the air caster 40
Since the load on the vehicle 2 and the wheel 13 is reduced, the moving force can be sufficiently obtained by the small auxiliary vehicle 44. Cask 6 and child trolley 31 to parent trolley 32
After the mounting, the compressed air is supplied, and if a small amount of air film is formed between the floor surfaces, the auxiliary vehicle 44 can perform traveling control and move the cask 6 to an arbitrary predetermined position. After reaching the predetermined position, the cask 6 is set aside by the child carriage 31 and the lifting mechanism 27.

According to the present embodiment, the parent carriage 32 including the cask 6 or the like, which is a heavy object, does not have a driving mechanism for movement, and the total weight becomes small and the auxiliary carriage 44 is moved by a relatively small driving force. It is possible to change direction easily. Therefore, the auxiliary vehicle 44 has a large traction force,
The auxiliary vehicle 44 does not need a large-scale mechanism.
Need only have a driving force such that the vehicle can move by itself, and the parent carriage 32 does not need to be provided with a complicated moving mechanism. Therefore,
Both the parent trolley 32 and the auxiliary vehicle can be implemented as a small structure, which in turn makes it possible to reduce the area of the storage facility required for movement, which increases the size of the storage facility and reduces the storage rate of the cask 6. Can be avoided.

The auxiliary vehicle of the present embodiment can also be applied to the child cart 31.

Ninth Embodiment (FIGS. 19 and 20) FIG. 19 is an enlarged perspective view showing cask moving means of the cask transfer facility 8 according to the present invention, and FIG.
6 is an enlarged cross-sectional view taken along line CC of FIG.

The present embodiment relates to a modified example of the track traveling vehicle 11 as the cask moving means shown in the fifth embodiment. That is, in this embodiment,
The parent carriage 32 includes a fall prevention device 46 formed so as to grasp the rail 35a of the track 35.

That is, as shown in FIGS. 19 and 20, the overturn preventing device 46 is composed of an angle-shaped member of a fixed length provided on the bottom edge of the vehicle body 12 of the parent carriage 32. The angled member has a dovetail-shaped opening groove 47 having an opening on the lower surface side, and the opening groove 47 sandwiches the flange portion of the track rail 35a made of, for example, I-shaped steel so as to wrap it. As a result, even when the parent bogie 32 receives a horizontal horizontal force F due to earthquake vibration or the like and receives a fall load that tilts left and right, the fall prevention device 46, which is an angle-shaped member, forms the rail 35a in the I-shaped steel. It is locked to the upper end flange portion of the rail and is prevented from falling off the rail 35a.

Therefore, according to the present embodiment, by applying the fall prevention device 46 formed so as to surround the track rail 35a to the parent carriage 32, a horizontal force in the transverse direction (right angle to the track) is applied. It is possible to directly act on the main body of the parent carriage 32, and it is possible to improve the earthquake resistance.

The fall prevention device 46 is used in the child carriage 3
In the case where 1 is configured to travel on the child carriage track, it can be applied to prevent the child carriage 31 from tipping over from the child carriage track. As a result, it is possible to improve the earthquake resistance of the child carriage 31.

Tenth Embodiment (FIG. 21) FIGS. 21 (A), 21 (B) and 21 (C) are explanatory views for explaining the power supply unit of the cask transfer facility 8 according to the present invention.

FIG. 21A shows a first configuration example, FIG. 21B shows a second configuration example, and FIG. 21C shows a third configuration example.

That is, in the cask transportation facility 8 of this embodiment, the cask moving means is a vehicle driven by electric power, and its power supply means is the cask storage facility 1.
The contact current collecting mechanism 48 provided on the floors 2a, 4a or on the track.

In the first configuration example shown in FIG. 21 (A), the cask transportation to which the contact current collecting mechanism 48 is applied when the vehicle 11 (including the parent carriage 32 and the subsidiary carriage 31) does not use a track It is an example of the equipment 8. A contact cable 49 for supplying power is arranged on the floor surface, and a cover 50 for preventing human contact is provided on the contact cable 49.
The vehicle 11 is provided with a contact arm 51 for contact current collection, and receives power by contacting the contact cable 49 for power supply. The cover 50 is partially provided with a through hole so that the contact arm 51 can be inserted.

With such a configuration, it is possible to provide a power supply method capable of avoiding the risk of electric shock to humans without the need for laying overhead wires and routing power cables even when a track is not used.

Further, in the second configuration example shown in FIG. 21 (B), a case where the track 35 is used in the vehicle 11 employing the floor traveling type parent bogie 32 and child bogie 31 described above will be described. It shows an example of the cask transportation facility 8 to which the contact current collecting mechanism 48 is applied.

A potential difference is provided on the two track rails 35a (one rail is grounded), and a cable connected to a coupling provided on the wheel 13 or the axle which is in contact with the rail 35a is used. The power is received and the drive motor 53 in the vehicle 11 is driven. With this configuration,
It is no longer necessary to lay overhead lines in the entire cask storage facility, and it is easy to deal with large cask storage facilities and expansion. In addition, there is no need to run the cable when using the power cable.

The third structural example shown in FIG. 21C is applied to the vehicle 11 using the track 35, but unlike the second structural example, a buried contact for power supply is used. The cable 54 is laid so as to be buried in the side surface of the track 35. The contact arm 51 derived from the vehicle 11 (including the parent carriage 32 and the child carriage 31) comes into contact with the embedded contact cable 54.

According to this structure, the contact current collecting mechanism 4
Since 8 is a buried structure, the risk of electric shock can be avoided and safety can be improved even if people often enter the facility due to maintenance or the like.

[0106]

As described above in detail, according to the present invention, it is possible to easily cope with the construction / expansion of a storage facility, avoid deterioration due to hot air from the cask and shorten the service life, and It is possible to eliminate falling, interference, and collision events, reduce the area occupied by the cask storage facility, improve the cask storage rate, and improve seismic resistance.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a cask transportation facility and a cask storage facility to which the cask transportation facility is applied according to a first embodiment of the present invention.

FIG. 2A is an enlarged perspective view of a cask transfer facility,
(B) is the sectional view on the AA line of (A).

FIG. 3 is a perspective view showing a modified example of the cask moving means shown in FIG. 2 (A).

FIG. 4 is an overall perspective view showing a cask transportation facility and a cask storage facility to which it is applied according to a second embodiment of the present invention.

5 is a perspective view showing the cask moving means shown in FIG. 4. FIG.

FIG. 6 is an overall perspective view showing a cask transportation facility and a cask storage facility to which the cask transportation facility is applied according to a third embodiment of the present invention.

FIG. 7 is a perspective view showing the cask moving means shown in FIG.

FIG. 8 is an overall perspective view showing a cask transportation facility and a cask storage facility to which the cask transportation facility is applied according to a fourth embodiment of the present invention.

9 is a perspective view showing the cask moving means shown in FIG.

FIG. 10 is an overall perspective view showing a cask transportation facility and a cask storage facility to which the cask transportation facility is applied according to a fifth embodiment of the present invention.

11 is a perspective view showing the cask moving means shown in FIG.

FIG. 12 is an overall perspective view showing a cask transportation facility and a cask storage facility to which the cask transportation facility is applied according to a sixth embodiment of the present invention.

13 is a perspective view showing the cask moving means shown in FIG.

14 (A), (B), (C), and (D) are operation explanatory views of the sixth embodiment.

FIG. 15 is a perspective view showing a cask moving means of a cask carrying facility according to a sixth embodiment of the present invention.

16 is a bottom view of FIG.

FIG. 17 is a perspective view showing cask moving means of a cask transfer facility according to a seventh embodiment of the present invention.

FIG. 18 is a view on arrow B of FIG.

FIG. 19 is a perspective view showing an application example of a fall prevention device for cask transportation equipment according to a ninth embodiment of the present invention.

20 is an enlarged cross-sectional view taken along the line CC of FIG.

21 (A), (B) and (C) respectively show a contact current collecting method, a contact current collecting method from a track, and a buried type as a power supply configuration by contact current collecting in the tenth embodiment of the present invention. Explanatory drawing which shows the example which applied the cable.

[Explanation of symbols]

1 Cask storage facility 2 Cask reception area 3 buildings 4 Cask storage area 5 buildings 6 cask 7 trailer 8 transportation equipment 9 Installation stand 10 transport paths 10a Main transport path 10b Branch carrier path 11 vehicles 11a orbital vehicle 12 body 13 wheels 14 Mobile crane 15 forklift 16 Cask holding arm 16a pad 17 boom 18 hoisting rope 19 hooks 20 Lift section 21 fork 22 crawler 23 overhead crane 24 orbits 25 hoisting rope 26 hooks 27 Lifting mechanism 28 bracket 29 Lifting drive mechanism 30 lifting arm 31 child cart 32 parent cart 33 Support plate 34 wheels 35 orbit 35a rail 36 main orbit 37 branch orbit 38 Swivel mechanism 39 groove 40 air casters 40a, 40b, 40c Air caster element 41 Drive mechanism 42 Spring mechanism 43 Support board 44 Auxiliary vehicle 45 wheels 46 Fall prevention device 47 Opening groove 48 contact current collector 49 contact cable 50 covers 51 contact arm 52 cable

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Ken Kanazaki             8th Shinsugita Town, Isogo Ward, Yokohama City, Kanagawa Prefecture             Ceremony company Toshiba Yokohama office (72) Inventor's pass, Sadataka             8th Shinsugita Town, Isogo Ward, Yokohama City, Kanagawa Prefecture             Ceremony company Toshiba Yokohama office (72) Inventor Akira Asano             8th Shinsugita Town, Isogo Ward, Yokohama City, Kanagawa Prefecture             Ceremony company Toshiba Yokohama office (72) Inventor Koichi Matsumoto             1-1 Shibaura, Minato-ku, Tokyo Co., Ltd.             Toshiba headquarters office

Claims (10)

[Claims] 1. A cask transfer facility for transferring a cask between a cask receiving area of a cask storage facility and a cask storing area, wherein the cask is transferred between the cask receiving area and an external carry-in / out means. And a cask transfer means capable of vertically adjusting the posture of the cask at that time, a cask elevating means for attaching / detaching the cask via the cask transfer means, and holding the cask so that the cask can be lifted, and the cask is A cask transportation facility comprising floor-traveling cask moving means that can move between a cask receiving area and the cask storage area. 2. The cask transfer facility according to claim 1, wherein the cask transfer means is a crane provided in the cask moving means or a crane arranged on the building side of the cask storage facility. Facility. 3. The cask transfer equipment according to claim 1 or 2, wherein the cask lifting means is a forklift or a lifting mechanism provided in the cask moving means. 4. The cask transfer facility according to claim 3, wherein the cask moving means is an integrally structured vehicle provided with at least one of a cask delivering means and a cask elevating means, or at least a cask delivering means and a cask elevating means. A cask transportation facility, which is a vehicle having a structure in which a child carriage provided with or is combined with a parent carriage carrying the child carriage. 5. The cask transfer facility according to any one of claims 1 to 4, wherein the cask moving means is a track laid on the floor of the cask storage facility, and a track vehicle that moves along the track. A cask transportation facility characterized by having. 6. The cask transportation facility according to any one of claims 1 to 4, wherein the cask moving means is a vehicle in which wheels can be raised and lowered with respect to a vehicle body within a certain range. A cask transfer facility comprising: a spring mechanism for urging the vehicle body; and an air caster for levitating the vehicle body within a range where the wheels land. 7. The cask transfer facility according to claim 6, wherein the air caster is divided into a plurality of parts, and the air caster elements of the plurality of divided systems are individually configured to bear the vehicle body raising force. Cask transfer equipment. 8. The cask transportation facility according to any one of claims 1 to 7, wherein the moving force of the cask moving means is obtained by a small auxiliary vehicle having neither the cask delivering means nor the cask elevating means. A cask transportation facility characterized by 9. The cask transportation facility according to claim 5, wherein the cask moving means includes a fall prevention device formed so as to grasp a track. 10. The cask transportation facility according to any one of claims 1 to 9, wherein the cask moving means is a vehicle using an electric force as a drive source, and the power supply means is on the floor or track of the cask storage facility. A cask transportation facility characterized by having a contact current collecting mechanism provided.