JP2825178B2 - Gas container holding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas container holding device for holding a gas container such as a gas cylinder in an upright state when the gas container is used.

[0002]

2. Description of the Related Art When welding and cutting operations are performed using high-pressure gas, in order to ensure the safety of on-site work, the gas container (cylinder) must be held so as not to fall down by laws and regulations, and the temperature of the gas container must be maintained. Must be kept at 40 ° C. or lower, and if there is a risk of ignition or explosion due to contact with different kinds of objects, it is required to take measures to prevent contact. For this reason, a gas container holding device with a transport vehicle that takes such contents into consideration has been developed. Specifically, the main body of the gas container holding device is provided with a frame body as a skeleton, and a mounting table on which two gas containers are mounted protrudingly provided below the frame body. As a measure for preventing contact, a partition wall is attached so as to partition upward from the mounting table. In use, in order to prevent the gas container from falling over, the gas container is tied to the frame body with a chain in a state of standing on the mounting table, and in order to maintain the temperature of the gas container at 40 ° C. or less. Each gas container is individually covered with a cylinder cover to avoid direct sunlight.

[0003]

However, in the above-described gas container holding device, the gas container is tied using a chain to prevent the gas container from overturning, and the gas cylinder cover is attached to the gas cover to prevent direct sunlight. Putting on a container means
These are separate and independent tasks, each of which must be performed individually.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a gas container holding device which can simplify a safety management operation.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a plate is formed, an opening is directed forward as an exchange work port, and the inside is formed by a partition wall. A gas container storage box partitioned into a first storage space and a second storage space, and an opening / closing door formed of a plate material, wherein an opening of the gas container storage box is openable and closable when closed. Wherein the constituent part of the opening and closing door is set so as to enter between the first and second storage spaces to constitute the partition wall when closed. The configuration is as follows.

According to the above-described structure, when the gas container is stored in the first and second storage spaces, and the door is closed and locked, the door supports the gas container as holding means for preventing the gas container from overturning. In combination with the gas container storage box, as means for covering the gas container, the gas container is prevented from being exposed to direct sunlight, and the operation of preventing the gas container from falling and the operation of avoiding direct sunlight on the gas container are performed by opening and closing the door. Just close the to finish at the same time. Therefore, the safety management work on the gas container can be simplified.

When the door is closed, the components of the door constitute partition walls for the first and second storage spaces, and function as a contact preventing measure for a gas container filled with different kinds of objects. In other words, the opening / closing door can be effectively used as a partition wall in addition to the holding means for preventing the gas container from falling and the means for covering the gas container. For this reason, it is not necessary to separately provide a partition wall as a measure for preventing contact with a gas container filled with different kinds of objects.

In order to achieve the above object, according to the invention of claim 2, in claim 1, the opening and closing door is constituted by a single door, and the opening and closing base end of the door is the gas container. It is configured to be rotatably supported on the outer end wall of the storage box. With the above-described configuration, in addition to the same operation as the above-described first aspect of the present invention, even if there is the first and second storage spaces, only one door is closed and locked, and the first and second storage spaces are provided. Two storage spaces will be closed. For this reason, the locking operation can be simplified.

According to the third aspect of the present invention, in order to achieve the above-mentioned object, in any one of the first and second aspects, the opening and closing base end of the opening and closing door is an outer end of the gas container storage box. The door is rotatably supported by a wall, and a bottom plate is provided at a lower end portion on the inner surface of the door. According to the above configuration, the same operation as that of the first or second aspect of the present invention is produced. Of course, the gas container replacement work is performed in addition to the normal replacement work in the first and second storage spaces. By using the bottom plate at the lower end, the gas container can be stored in or taken out of the first and second storage spaces while the gas container is placed on the bottom plate with the opening and closing movement of the door. In addition to diversifying the gas container replacement work, the first and second storage spaces,
Stacking (storage) of gas containers on one side of the bottom plate of the door
Work can be performed, and on the other hand, the unloading operation of the gas container can be performed, and the unloading operation of the gas container can be performed simultaneously. For this reason, the replacement operation of the gas container can be performed quickly.

[0010] In order to achieve the above object, according to the invention of claim 4, the first member is formed by a plate, the opening is directed forward as an exchange work port, and the inside is formed by a partition wall.
A gas container storage box partitioned into a storage space and a second storage space, and an opening / closing door formed of a plate material, the opening of the gas container storage box being capable of being opened and closed, and being locked when closed. An opening / closing base end of the opening / closing door is rotatably supported on an outer end wall of the gas container storage box, and a bottom plate is provided at a lower end of an inner surface of the opening / closing door. The configuration is a gas container holding device.

With the above configuration, the gas container replacement operation is
In addition to the normal replacement work in the first and second storage spaces,
Using the bottom plate at the lower end of the door, the gas container can be stored in or taken out of the first and second storage spaces with the gas container placed on the bottom plate with the opening and closing movement of the door. It is possible to not only diversify the gas container replacement work, but also to stack (store) the gas container on one of the first and second storage spaces and the bottom plate in the open / close door when the open / close door is open. Is performed, and on the other hand, the unloading operation of the gas container can be performed, and the unloading operation of the gas container can be performed simultaneously.
For this reason, the replacement operation of the gas container can be performed quickly.

According to a fifth aspect of the present invention, in order to achieve the above object, the bottom plate of the opening / closing door is divided into a back portion and a swing portion. While the part is fixed to the opening / closing door, the swinging part is supported at the front end of the back part so as to be swingable in the vertical direction. According to the above configuration, in addition to the same effect as the invention of any of the third and fourth aspects, when the opening / closing door is opened, the tip of the swinging portion abuts against a road surface or the like by its own weight, and The part is hung in an inclined state between the road surface etc. and the back part of the bottom plate, and when loading and unloading the gas container with respect to the bottom plate of the opening and closing door, the slope of the swing part can be used, and In particular, when the gas container is lowered from the bottom plate of the opening / closing door, the gas container portion in the upper region of the swinging portion floats, so that the gas container can be easily pulled down. For this reason, the work of loading and unloading the gas container on the bottom plate of the door can be facilitated.

According to a sixth aspect of the present invention, in order to achieve the above object, in the fifth aspect, a roller is rotatably supported on the lower surface of the swinging portion of the bottom plate, and is provided on the bottom of the gas container storage box. A lock hole is formed in a movement area of the roller in accordance with the opening and closing movement of the opening and closing door, at a position when the opening and closing door is closed. With the above-described configuration, in addition to producing the same operation as the above-described invention of claim 5,
As long as the door is closed, the roller runs smoothly on the bottom surface of the gas container storage box while traveling on the road surface, after which the roller falls into the lock hole and the door is locked in the closed state. become. For this reason, the locking operation of the opening / closing door can be performed extremely easily.

According to a seventh aspect of the present invention, in order to achieve the above object, the bottom plate is rotatably supported by a lower end portion of an inner surface of the opening / closing door. The pivot axis of the bottom plate is set so as to divide the bottom plate into a back portion and a tip portion on the tip side with respect to the back portion. And a rotation restricting means for restricting a downward rotation of the deep portion at a horizontal state position of the deep portion. According to the above configuration, the above-mentioned claim 3 or 4 is provided.
In addition to producing the same effect as any of the inventions, when loading the gas container on the bottom plate of the opening and closing door, a part of the bottom of the gas container is moved from the tip end to the back beyond the rotation axis. If the upper part of the gas container is raised toward the inner surface of the opening / closing door, the weight of the gas container can be used as a force for turning the bottom part of the bottom plate downward to level the bottom plate. Therefore, even if there is a slight step (height) between the road surface or the like and the bottom plate of the door, the gas container can be easily mounted on the bottom plate. On the other hand, when lowering the gas container from the bottom plate of the opening / closing door, if the upper part of the gas container is slightly tilted away from the inner surface of the opening / closing door, the weight of the gas container is reduced by the force of rotating the tip of the bottom plate downward. The bottom plate is inclined so that the tip is lower than the depth, and the gas container can be lowered using the inclined bottom plate. For this reason, also in this case, the work of loading and unloading the gas container on the bottom plate of the door can be facilitated.

In order to achieve the above object, according to the invention of claim 8, in claim 1, the opening and closing door is set to be stored in the gas container storage box when opened. , As a configuration. According to the above configuration, in addition to the same operation as the above-described claim 1, when the door is opened, the door does not open outward, so that the gas container can be opened and closed in the loading / unloading work area. The door will not protrude. For this reason, when replacing the gas container, the opening / closing door can be prevented from interfering with the operation.

According to a ninth aspect of the present invention, the first object is formed by a plate, the opening of which is directed forward as an exchange work port, and the inside of which is formed by a partition wall.
A gas container storage box partitioned into a storage space and a second storage space, and an opening / closing door formed of a plate material, the opening of the gas container storage box being capable of being opened and closed, and being locked when closed. Wherein the opening and closing door is configured to be stored in the gas container storage box when opened. With the above configuration, when the door is opened, the door does not open outward, and the door does not protrude into the gas container loading / unloading work area. For this reason, when replacing the gas container, the opening / closing door can be prevented from interfering with the operation.

In order to achieve the above-mentioned object, the invention according to claim 10 is the invention according to any one of claims 1 to 9, wherein a carrier is provided in the gas container storage box. With the above-described configuration, the transportation is facilitated by the transport vehicle, and the above-described advanced functions can be exerted at every location. For this reason, a gas container holding device with improved mobility can be provided.

According to the eleventh aspect of the present invention, a pallet is fixed to a lower portion of the gas container storage box, and a pallet is provided on a side portion of the pallet. And an insertion hole into which a fork for a carrier is inserted is opened. With the above configuration,
The use of a fork-equipped carrier makes it possible to ensure smooth transportation, but does not provide any unique transportation means for the transportation, so that the gas container holding device can be made as small as possible. For this reason, the gas container holding device can be made as simple as possible while enabling smooth transportation, and the space occupied by the gas container holding device can be reduced as much as possible during use and storage. In addition, the pallet can increase the contact area of the gas container holding device, and can use one carrier with a fork for transporting a plurality of gas container holding devices. For this reason, the stability of the gas container holding device can be improved, and the utilization rate of a single fork carrier can be increased.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment. In the first embodiment, the carrier 2 is attached to the gas container holding device 1.
The gas container holding device 1 can be transported by the transport vehicle 2.

First, the transport vehicle 2 will be described. As shown in FIGS. 1 to 3, the transport vehicle 2 includes a frame body 3,
A mounting table 4 and wheels 5 are provided. The frame body 3
A back portion 6 that forms a framework of the transport vehicle 2 and has a fixed width and linearly extends, and a handle portion 7 that is continuously bent rearward (left side in FIG. 2) from an upper portion of the back portion 6. On the rear side of the back portion 6, legal equipment such as a hose reel for winding a gas hose and a digestive device (not shown) is appropriately attached. The mounting table 4
It is attached to the lower part of the frame body 3 so as to protrude forward (to the right in FIG. 2), and the mounting table 4 is lowered on the upper surface of a horizontal floor, a road surface or the like (hereinafter referred to as a road surface or the like 8). At this time, the back portion 6 of the frame body 3 is set up with respect to the road surface 8 and the upper surface of the mounting table 4 is set to be horizontal (see FIG. 2). The wheel 5 is rotatably supported by a back portion 6 of the frame body 3. When the back portion 6 is inclined with respect to a road surface 8, the mounting table 4 is
The wheels 5 come in contact with the road surface 8 and can be transported, and the back 6 is raised with respect to the road surface 8 so that the
When the vehicle is lowered onto the road surface 8, the wheels 5 are set so as to contact with or float on the road surface 8.

Next, the gas container holding device 1 will be described. As shown in FIGS. 1 to 3, the gas container holding device 1 includes a gas container storage box 9 and an opening / closing door 10.

The gas container storage box 9 is fixed to the mounting table 4 and the back portion 6 in an upright state. On the mounting table 4, in the present embodiment, the gas container storage box 9 is mounted. And the mounting table 4, a storage space S is formed in which the opening 9a is directed forward in the protruding direction of the mounting table 4. A partition wall 11 is provided in a storage space S in the gas container storage box 9.
Are partitioned into left and right chambers 12 and 13. This left and right room 1
Reference numerals 2 and 13 each secure a space for accommodating a gas cylinder as a gas container. In this embodiment, the right chamber 13 accommodates an acetylene gas cylinder 14 filled with acetylene gas as a combustible gas. , Left ventricle 12
Is filled with an oxygen gas cylinder 15 filled with oxygen gas as a combustion supporting gas. In particular, in the present embodiment, the upper wall 9b and the mounting table 4 of the gas container storage box 9 (in this embodiment, the gas container (Corresponding to the lower wall of the storage box 9) is rounded in accordance with the peripheral surfaces of the gas cylinders 14 and 15,
The side wall portion 9 d extends only from the back portion 6 to just before the upper wall portion 9 b and the round portion of the mounting table 4.

The opening / closing door 10 is provided for each of the left and right chambers 12 and 13, and is constituted by a pair of left and right opening doors 10a and 10b. The doors 10a, 10b are swingably supported at the tip of the partition wall 11 via hinges or the like (not shown).
The opening of each of the left and right chambers 12 and 13 can be closed along the upper wall 9b and the periphery of the mounting table 4, respectively. In addition, each of the opening and closing doors 10a,
A ventilation hole 16 is formed in 10b so as to correspond to the upper part of each gas cylinder 14, 15. The vent 16 functions as an outlet for the gas hose from each of the gas cylinders 14 and 15 and cooperates with a vent (not shown) formed in the mounting table 4 as the lower wall of the gas container housing 9. In addition, the left and right chambers 12 and 13 have a function of ventilation. In this case, forced ventilation may be performed using a fan. At that time, a solar cell may be used as a power source.

Each of the doors 10a and 10b and the gas container storage box 9 is provided with a lock mechanism 17, as shown in FIG. In the present embodiment, the lock mechanism 17 includes an engagement pin 18 provided on each of the open / close doors 10a and 10b, and a hook piece 19 provided on the gas container storage box 9 and capable of engaging with the engagement pin 18. When the hook 19 is locked to the engaging pin 18, the doors 10a and 10b are locked with the openings of the left and right chambers 12 and 13 closed. I have.

Therefore, the left and right chambers 1 of the gas container storage box 9
When the acetylene gas cylinder 14 and the oxygen gas cylinder 15 are stored in 2 and 13, and the respective doors 10a and 10b are closed and locked, the doors 10a and 10b serve as acetylene gas (flammable gas) as a holding means for preventing the gas cylinder from overturning. The cylinder 14 and the oxygen gas (combustible gas) cylinder 15 are supported, and at the same time, combined with the gas container storage box 9, the gas cylinder 14,
As means for covering 15, the acetylene gas cylinder 14,
The oxygen gas cylinder 15 is prevented from being exposed to direct sunlight.
The work for avoiding direct sunlight for 4 and 15
Closing a and 10b will end at the same time. Therefore, the safety management work can be simplified.

A pair of left and right doors 10a, 10b
When the doors 10a and 10b are opened, as shown in the case of the outward opening, when the opening and closing doors 10a and 10b are opened, There is no need to secure a space required to open and close the doors 10a and 10b outside the side wall 9d.
It is possible to minimize the space required to open the 0a and 10b.

FIGS. 5 to 7 show a second embodiment. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

In the second embodiment, the doors 10a, 10b
Is used as a part of the partition wall 11. That is, in the second embodiment, as the gas container storage box 9, a half body 20, which is a half of a bottomed cylindrical body capable of storing the acetylene gas cylinder 14, is cut in the axial direction.
And a half body 21 in which a bottomed cylindrical body capable of storing the oxygen gas cylinder 15 is half-divided in the axial direction is provided side by side, and these are provided on the mounting table 4 at the respective openings 20a, 21a side. Is fixed to the back part 6 with the bottoms 20b and 21b facing upward. On the other hand, each of the doors 10a and 10b is configured as a half body corresponding to each of the half bodies 20 and 21 of the gas container storage box 9. The half bodies 20 and 21 can cooperate to form a cylindrical body. Each door 10
a and 10b are gas container storage boxes 9 so as to open outward.
Are rotatably attached to both side walls 9d via hinges 22. When each of the doors 10a and 10b is closed, the rotating tip 10c of each of the doors 10a and 10b is The gas enters between the acetylene gas cylinder 14 and the oxygen gas cylinder 15, and the doors 10a,
10b and the corresponding half body 20, 2 in the gas container storage box 9
1 is to cooperate to form a cylindrical body.

Although the lock mechanism is not shown in this embodiment, each of the doors 10a and 10b or each of the doors 10a and 10a is formed by a combination of the above-described engagement pin and hook. 10b can be locked simultaneously. In FIGS. 5 and 6, reference numeral 23 denotes an air hole formed in the mounting table 4.
Is set to a minimum area for supporting the gas cylinder 14 (15), and when each of the doors 10a and 10b is closed, a gap is formed between each of the doors 10a and 10b and the mounting table 4. Then, the gap may be used as the ventilation hole 23.

Therefore, in the second embodiment,
The operation of preventing the gas container from overturning and avoiding direct sunlight on the gas cylinders 14 and 15 can be completed not only by closing the doors 10a and 10b but also by closing the doors 10a and 10b.
b, when the opening and closing doors 10a and 10b rotate,
0c is an acetylene gas cylinder 14 and an oxygen gas cylinder 15
And the half body 2 in the gas container storage box 9
The partition wall 11 is formed together with the adjacent portions 0 and 21 to prevent contact between the acetylene gas cylinder 14 and the oxygen gas cylinder 15 which are filled with different kinds of materials.
10 b is effectively used as a part of the partition wall 11.

FIG. 8 shows a third embodiment. In the third embodiment, the same components as those in the first and second embodiments are denoted by the same reference numerals, and description thereof is omitted.

In the third embodiment, the doors 10a, 10b
Of the lock work and improvement of the work of loading and unloading the gas cylinders 14 and 15 and the like. That is,
Although the third embodiment has basically the same configuration as the above-described second embodiment, the doors 10a and 10b are attached to the corresponding half bodies 20 and 21 of the gas container storage box 9, respectively. Instead, they are connected to each other via a hinge 22 and integrated, and only one of the opening and closing doors 10b is integrated with the corresponding half body 21 (the side wall 9d) in the gas container storage box 9. ) Via a hinge 22. Thereby, the opening and closing doors 10a and 10b
Can be performed integrally, and the locking operation can also be performed by using the above-described locking mechanism (not shown in the present embodiment) to connect the other opening / closing door 10a to the gas container storage box 9. If you lock it on the half body 20,
The doors 10a and 10b are locked at the same time.

In the third embodiment, the mounting table 4 (also constituting the bottom wall of the gas container storage box 9 in this embodiment) corresponds to the cross-sectional shape of the gas container storage box 9. The left and right chambers 12 and 13 each have a semicircular shape, while the lower end of each of the doors 10a and 10b has a semicircular bottom plate corresponding to the cross-sectional shape of each of the doors 10a and 10b. The bottom plate 24 and the mounting table 4 form a circular support surface that can support the entire bottom surface of the gas cylinder 14 (15) when the doors 10a and 10b are closed. Will do. Thus, when the gas cylinder 14 (15) is directly stored in each of the left and right chambers 12 and 13 of the gas container storage box 9, only half of the bottom surface of the gas cylinder 14 (15) is placed on the mounting table 4 and the opening / closing doors 10a and 10b are opened. Is closed, and it is not necessary to insert the gas cylinder 14 (15) to a deeper position so that it is difficult to reach the hand, and the stacking operation of the gas cylinder 14 (15) becomes easy. On the other hand, the left and right chambers 12, 13 of the gas container storage box 9
When the gas cylinder 14 (15) is unloaded, the gas cylinder 14 (15) is opened when the doors 10a and 10b are opened.
Half of the bottom surface protrudes outward from the mounting table 4, so that the gas cylinder 14 (15) can be easily pulled out from each of the left and right chambers 12 and 13, and the gas cylinder 14 (15) can be easily unloaded.

Further, in the third embodiment, the replacement operation of the gas cylinder 14 (15) is performed by opening and closing the doors 10a, 10b.
Using the bottom plate 24 at the lower end of the opening and closing door 10a,
With the opening and closing movement of 10b, the gas cylinder 14
With the (15) mounted, the gas cylinder 14 (15) can be stored in or taken out of the left and right chambers 12 and 13, and not only can the gas cylinder 14 (15) replacement work be diversified. , Opening and closing doors 10a, 10b
In the open state, the left and right chambers 12 and 13, the door 10a,
On one side of the bottom plate 24 in 10b, a gas cylinder can be stacked (stored), and on the other hand, a gas cylinder can be unloaded, and the gas cylinder unloading operation can be performed simultaneously. Therefore, the replacement work of the gas cylinder can be performed quickly.

FIGS. 9 to 12 show a fourth embodiment. In the fourth embodiment, the same components as those in the first, second, and third embodiments are denoted by the same reference numerals, and description thereof is omitted.

The fourth embodiment is an improvement of the third embodiment, and further improves the loading / unloading operation of the gas cylinders 14 (15) and facilitates the locking operation. That is, in the fourth embodiment, the half-opening doors 10a and 10b are respectively attached to the corresponding half bodies 20 and 21 of the gas container storage box 9 via the hinges 22 so as to be opened outward, respectively. Each of the doors 10a,
At the lower end of 10b, there are provided bottom plates 24 divided into a back part 24a and a swing part 24b. Back 24
a is a substantially semicircular plate body, and the peripheral surface of the inner portion 24a is fixed to the inner peripheral surface of each of the doors 10a and 10b, and the swinging portion 24b is smaller than the inner portion 24a. It is a substantially semicircular plate body, and is supported so as to be able to swing up and down via a hinge 22 with its curved surface side facing out. A rotatable roller 25 is rotatably supported on the lower surface of the oscillating portion 24b.
When 0b is opened, it comes into contact with the road surface 8 as shown in FIG. 11 by its own weight of the swinging portion 24b, the rotating roller 25 and the like.

On the other hand, the mounting table 4 as the bottom wall of the gas container storage box 9 has an internal space as shown in FIGS. 9, 10 and 12, and the upper surface of the mounting table 4 The lock hole 26 is formed so as to communicate between the inside and the outside.
The lock hole 26 has a size that allows the rotation roller 25 to enter, and is located in a moving area of the rotation roller 25 associated with the opening and closing movement of the opening and closing door 10a (10b). It is the position of the time, and the opening and closing door 1
When 0a (10b) is closed, the rotating roller 25
The player rides on the mounting table 4 and falls into the lock hole 26.

As shown in FIG. 12, a long push-up member 27 is provided in the internal space of the mounting table 4. The push-up member 27 is supported halfway on the bottom surface of the mounting table 4 via a support member 28 so as to be vertically swingable. One end of the push-up member 27 faces the lock hole 26, and the other end of the push-up member 27 faces the lock hole 26. The side extends to the front of the gas container storage box 9 to form a step portion 29.
In FIG. 10, reference numeral 30 denotes a cylinder fixing projection fitted into the bottom recess of the gas cylinder 14 (15).

In the fourth embodiment, the gas cylinder 14 (15) is attached to the bottom plate 24 of the door 10a (10b).
By opening and closing the open / close doors 10a (10b) with the gas container placed, the gas container storage box 9 can be stored and taken out. However, the bottom plate 24 as a part of this gas cylinder replacement operation is provided. In the gas cylinder loading / unloading operation, the swinging portion 24b is suspended between the road surface 8 and the bottom plate inner portion 24a in an inclined state due to the weight of the swinging portion 24b. When lowering the gas cylinder 14 (15),
The portion corresponding to the bottom half of 5) will float based on the downward inclination of the swinging portion 24b, and the gas cylinder 1 will be lifted.
4 (15) can be easily pulled out.
In addition, thereafter, the swinging portion 24b is moved from the road surface 8 to the bottom plate back portion 2.
4a, a force (gravity component) in the direction of inclination of the swinging portion 24b can be applied to the gas cylinder 14 (15), and the gas cylinder 14 (15) can be actuated.
5) can be quietly lowered onto the road surface 8 with a relatively small force. On the other hand, the door 10a (10
When stacking the gas cylinder 14a (15) on the bottom plate 24 of b), utilizing the fact that the swinging portion 24b is inclined between the road surface 8 or the like and the bottom portion 24a of the bottom plate, it is not gravity but component force of gravity. The gas cylinder 14a (15) against the
The gas cylinder 14a (15) can be lifted gradually to the inner part 24a gradually along the upper surface of the gas cylinder 4b, and this can be easier than lifting the gas cylinder 14a (15) directly to the inner part against the gravity.

In the fourth embodiment, the gas cylinder 14 (15) is mounted on the bottom plate 24 of the door 10a (10b).
Then, if the door 10a (10b) is closed, the rotating roller 25 smoothly rides on the mounting table 4 and falls into the lock hole 26, and the rotating roller 25 rides on the push-up member 27. . For this reason, the rotation roller 25 and the lock hole 26 are locked, and the opening and closing door 10a (1
0b) is locked in the closed state, and the swing unit 2
4b is swung to a horizontal state, and the swinging portion 24 of the bottom plate 24 is
Both b and the back part 24a constitute the support surface of the gas cylinder 14 (15). On the other hand, the door 10a (10
When opening b), as shown in FIG.
If the step 9 is depressed downward, one end side of the push-up member 27 is swung upward, the rotating roller 25 rides on the mounting table 4, and thereafter, the door 10a (10b) is easily opened. Therefore, the locking operation of the door 10a (10b) is completed as a part of the operation of opening and closing the door 10a (10b). You only need to step on it. As a result, the door 10a (10b)
Locking and unlocking operations are significantly improved. In this embodiment, the illustration of the transport vehicle is omitted.

FIGS. 13 and 14 show a fifth embodiment. In the fifth embodiment, the same components as those in the first, second, third, and fourth embodiments are denoted by the same reference numerals, and description thereof is omitted.

In the fifth embodiment, similarly to the second to fourth embodiments, a gas container storage box 9 and an opening / closing door 10a (10b) are formed by using a half-cylindrical cylindrical body. , Door 1
0a (10b) when the door 10a (10b)
However, using a guide rail, a guide groove and the like (not shown), the half body 20 (21) of the gas container storage box 9 is inserted into the half body 20 (21) for each of the left and right chambers 12 and 13. It is to be stored while sliding along the circumference. Also,
In the fifth embodiment, when the doors 10a and 10b are closed, the upper wall of the gas container storage box 9 and the door 10a are closed.
The gas hose take-out port 31 is formed in cooperation with the upper wall portion a (10b). The gas hose take-out port 31 also serves as the vent hole 16 in the upper part of the gas container holding device 1. ing.

Thus, when the door 10a (10b) is opened, the door 10a (10b) does not open outward, and the door 10a (10b) is placed in the work area for loading and unloading the gas cylinder 14 (15). ) Protrudes, so that the opening / closing door 10a (10b) does not obstruct the loading / unloading operation of the gas cylinder 14 (15).

FIGS. 15 and 16 show a sixth embodiment. In the sixth embodiment, the same components as those in the first to fifth embodiments are denoted by the same reference numerals, and description thereof is omitted. In the sixth embodiment, the opening and closing door 10b
(The opening and closing door 10a is not shown and will be described with the opening and closing door 10b). The opening and closing door 10a is supported by a gas container storage box (not shown in FIGS. 15 and 16) so as to open outward. First and second bottom plates 40 and 41 are provided at the lower end of the inner surface.

The first bottom plate 40 is provided in the same manner as in the third embodiment.
The opening and closing door 10b has a semicircular shape corresponding to the cross-sectional shape, and an arc portion thereof is fixed to the inner surface of the opening and closing door 10b, and the first bottom plate 40 constitutes a rotation restricting means.

The second bottom plate 41 is formed in a disk shape having a radius of curvature slightly smaller than the radius of curvature of the first bottom plate 40, and is disposed so as to overlap the first bottom plate 40. When the door 10b is closed, the second bottom plate 4 is closed.
1 is to be positioned so as to overlap the mounting table 4 (the bottom wall of the gas container storage box 9). This second bottom plate 4
A rotating shaft 42 is fixed to the bottom surface of 1. The rotating shaft 42 extends along the front end of the first bottom plate 40, and is disposed so as to divide the second bottom plate 41 into a back portion 41a and a front end portion 41b. Both ends of the moving shaft 42 are rotatably supported by the side wall 10d of the door 10b.

In this embodiment, the rotating shaft 42 is
The second bottom plate 41 is sectioned such that the area of the distal end portion 41b is larger than the area of the back portion 41a.
When the opening / closing door 10b is opened, unless an external force acts on the second bottom plate 41, the second bottom plate 41 is determined based on its own weight.
, The back portion 41a rotates in a direction in which the back portion 41a is separated from the first bottom plate 40 (the direction of the arrow in FIG. 16), and the second bottom plate 41 is inclined. Of course, contrary to the above case, the area of the back part 41a is made larger than the area of the tip part 41b, and when the opening / closing door 10b is open, the second bottom plate 41
When no external force acts on the second bottom plate 41, the second bottom plate 41 may be in a horizontal state by its own weight.

A plurality of rotating balls 43 are rotatably mounted on the upper surface of the second bottom plate 41. The plurality of rotating balls 43 function as sliding resistance reducing means. When the gas cylinder 14 (15) is placed on the second bottom plate 41, the gas cylinder 14 (1
5) is to slide smoothly on the second bottom plate 41. As the sliding resistance reducing means, a plurality of projections may be provided on the upper surface of the second bottom plate 41 in place of the plurality of rotating balls 43 to reduce the contact area.

Therefore, in the sixth embodiment,
When stacking the gas cylinder 14 (15) on the bottom plate of the opening and closing door 10b, if the opening and closing door 10b is opened, the second bottom plate 41 is inclined by its own weight, and a part of the bottom of the gas cylinder 14 (15) can be easily replaced by the second. Can be placed on the bottom plate 41. After that, the gas cylinder 14 (1
A part of the bottom of 5) is further extended on the second bottom plate 41 from the tip portion 41b to the back portion 41a beyond the rotation shaft 42, and the upper part of the gas cylinder 14 (15) is connected to the opening / closing door 10b. If the gas cylinder 14 (15) is raised toward the inner surface, the own weight of the gas cylinder 14 (15) acts as a force for rotating the inner bottom 41a side of the second bottom plate 41 downward. Of the bottom plate 41
Rotates until a contacts the first bottom plate 40 and is maintained in a horizontal state. Therefore, even if there is a slight step (height) between the road surface 8 or the like and the bottom plate of the opening / closing door 10b, the gas cylinder 14 (15) can be easily placed on the bottom plate. Even if the door 10b is closed, the distal end portion 41b of the second bottom plate 41 slides smoothly onto the mounting table 4. On the other hand, when lowering the gas cylinder 14 (15) from the bottom plate of the door 10b, the upper part of the gas cylinder 14 (15) is slightly tilted in a direction away from the inner surface of the door 10b, and the gas cylinder 14 (15) is lowered.
Of the second bottom plate 41 acts as a force for rotating the tip portion 41b downward, and the second bottom plate 41 is inclined such that the tip portion 41b is lower than the back portion 41a. become. Therefore, the gas cylinder 14 (1
When lowering 5), the inclined state of the second bottom plate 41 can be used, and the gas cylinder 14 (15) can be easily lowered. Of course, the rotating ball 4
No. 3 makes loading and unloading of the gas cylinder 14 (15) easier.

FIG. 17 shows a seventh embodiment. In the seventh embodiment, the same components as those in the first to sixth embodiments are denoted by the same reference numerals, and description thereof is omitted. In the seventh embodiment, the carrier is omitted, and the pallet 44 is fixed to the lower portion of the gas container storage box 9 by welding or the like. The pallet 44 has an opening 47 into which the fork 46 of the fork carrier 45 can be inserted. The insertion hole 47 is directed in the front-rear direction of the gas container holding device 1.

Therefore, after inserting the fork 46 of the transport vehicle 45 with a fork into the insertion hole 47 of the pallet 44,
If the transport vehicle 45 is slightly inclined to the worker side, the gas container holding device 1 will be lifted from the road surface 8 or the like, and the gas container holding device 1 will be transported by the transport vehicle 45. On the other hand, as described above, for transportation, the gas container holding device 1 can be reduced to a necessary minimum size because the independent transportation vehicle 45 with a fork is used and a unique transportation means is not used. Thus, the gas container holding device 1 can be made as simple as possible, and the space occupied by the gas container holding device 1 during use and storage can be reduced as much as possible. In the seventh embodiment, by appropriately adjusting the size of the pallet 44, the contact area of the gas container holding device 1 can be increased, and the stability of the gas container holding device 1 can be improved. Can be done. Furthermore, one transport vehicle 45 with a fork can be used for transporting a plurality of gas container holding devices 1, and one transport vehicle 45 with a fork can be used.
It will also be possible to increase the utilization rate. In addition, as a transport vehicle with a fork, a forklift or the like may be used without being limited to a manual type.

[0052]

As described above, according to the first to eleventh aspects of the present invention, it is possible to provide a gas container holding device capable of simplifying a safety management operation. Moreover, according to the first aspect of the present invention, it is possible to eliminate the necessity of separately providing a partition wall as a contact preventing device for a gas container filled with different kinds of objects. According to the second aspect of the present invention, the locking operation of the door can be simplified. According to the third and fourth aspects of the present invention, the replacement operation of the gas container can be performed quickly. Claims 5 and 7
According to the invention, the work of loading / unloading the gas container from / to the bottom plate of the opening / closing door can be facilitated. According to the invention of claim 6, the locking operation of the opening / closing door can be performed extremely easily. According to the eighth and ninth aspects of the invention, it is possible to prevent the opening / closing door from interfering with the operation of replacing the gas container. According to the tenth aspect, a gas container holding device with improved mobility can be provided. According to the invention of claim 11, the gas container holding device can be made as simple as possible, and the space occupied by the gas container holding device 1 can be reduced as much as possible during use and storage. (1) It is possible to increase the stability and utilization rate of a single truck with a fork.

[Brief description of the drawings]

FIG. 1 is a front view showing a gas container holding device according to a first embodiment.

FIG. 2 is a left side view of FIG. 2;

FIG. 3 is a plan view showing the gas container holding device according to the first embodiment.

FIG. 4 is a diagram showing a lock mechanism according to the first embodiment.

FIG. 5 is a view showing a state where an opening / closing door of a gas container holding device according to a second embodiment is opened.

FIG. 6 is a view showing a state in which an opening / closing door of a gas container holding device according to a second embodiment is closed.

FIG. 7 is a plan view showing a state where an opening / closing door of a gas container holding device according to a second embodiment is closed.

FIG. 8 is a view showing a state where an opening / closing door of a gas container holding device according to a third embodiment is opened.

FIG. 9 is a view showing a state in which an opening / closing door of a gas container holding device according to a fourth embodiment is opened.

FIG. 10 is an explanatory view illustrating a bottom plate structure of a gas container holding device according to a fourth embodiment.

FIG. 11 is a longitudinal sectional view illustrating a bottom plate structure of a gas container holding device according to a fourth embodiment.

FIG. 12 is a longitudinal sectional view illustrating a lock mechanism of a gas container holding device according to a fourth embodiment.

FIG. 13 is an explanatory view illustrating a gas container holding device according to a fifth embodiment.

FIG. 14 is a view showing a state in which an open / close door of a gas container holding device according to a fifth embodiment is closed.

FIG. 15 is a view showing a state where an opening / closing door according to a sixth embodiment is opened.

FIG. 16 is a sectional view taken along line XX of FIG. 15;

FIG. 17 is an explanatory diagram illustrating a seventh embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gas container holding device 2 Transport vehicle 9 Gas container storage box 9a Opening 9d Side wall part 10a Opening / closing door 10b Opening / closing door 10c Rotating tip part 12 Left room 13 Right room 20a Opening 21a Opening 24 Bottom plate 24a Deep part 24b Oscillating part 25 Rotation Roller 26 Lock hole 40 First bottom plate 41 Second bottom plate 41a Deep portion 41b Tip portion 42 Rotating shaft 44 Pallet 46 Fork 47 Insertion hole

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) F17C 13/08

Claims (11)

(57) [Claims] An opening is directed forward as an exchange work port, and the inside is formed by a partition wall.
A gas container storage box partitioned into a storage space and a second storage space, and an opening / closing door formed of a plate material, the opening of the gas container storage box being capable of being opened and closed, and being locked when closed. provided, components of the door is in the closed, the first, second housing air
Is set to enter between and constitute the partition wall
And it has a gas container holding device, characterized in that. 2. The gas container storage box according to claim 1, wherein the open / close door is constituted by a single door, and the open / close base end of the door is an outer end wall of the gas container storage box.
A gas container holding device rotatably supported by a gas container. 3. The gas container storage box according to claim 1, wherein the opening / closing base end of the opening / closing door is outside the gas container storage box.
A gas container holding device rotatably supported by an end wall and a bottom plate provided at a lower end portion on an inner surface of the opening and closing door . 4. An exchange work opening formed by a plate material.
And the inside is first by a partition wall.
Gas container storage box partitioned into storage space and second storage space
The gas container storage box is formed of a plate material.
The mouth can be opened and closed and locked when closed
An opening / closing door, wherein the opening / closing base end of the opening / closing door is located outside the gas container storage box.
A gas container holding device rotatably supported by an end wall and a bottom plate provided at a lower end portion on an inner surface of the opening and closing door . 5. The swinging part according to claim 3, wherein a bottom plate of the opening and closing door is divided into a back part and a swing part, and the back part is fixed to the opening and closing door. The gas container holding device is supported at the front end of the back part so as to be able to swing vertically. 6. The roller according to claim 5, wherein a roller is rotatably supported on the lower surface of the swinging portion of the bottom plate, and a moving area of the roller at the bottom of the gas container storage box along with the opening and closing movement of the opening and closing door. And a lock hole is formed at a position when the opening and closing door is closed. 7. The door according to claim 3, wherein the bottom plate is rotatably supported by a lower end portion of an inner surface of the opening and closing door, and a rotation axis of the bottom plate connects the bottom plate to the back and the back. The end portion is set to be divided into a front end portion and a front end portion, and at the lower end portion on the inner surface of the opening / closing door, the turning region of the back portion in the bottom plate and the horizontal position of the back portion, A gas container holding device, further comprising a rotation restricting means for restricting downward rotation. 8. The gas container holding device according to claim 1, wherein the opening and closing door is set to be stored in the gas container storage box when opened. 9. An exchange work opening formed by a plate material.
And the inside is first by a partition wall.
Gas container storage box partitioned into storage space and second storage space
The gas container storage box is formed of a plate material.
The mouth can be opened and closed and locked when closed
An opening / closing door, wherein the opening / closing door is stored in the gas container storage box when opened.
A gas container holding device , which is set so as to be operated. 10. The gas container holding device according to claim 1, wherein a carrier is provided in the gas container storage box . 11. The pallet according to claim 1, wherein a pallet is fixed to a lower portion of the gas container storage box, and an insertion hole for inserting a fork for a carrier is provided in the pallet.
A gas container holding device , which is open .