JPH0978878A - Tank - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable conveyance of articles to the top part of the roof of a tank by a mechanical force and thereby to lighten the burden of an operator by a method wherein a means for conveying the articles is provided between the top part of the roof including an introducing part of a piping and a part of a corridor. SOLUTION: A tank which is equipped with a disk-shaped bottom board 1, a cylindrical side wall 2 erected from the peripheral edge part of the bottom board and a dome-shaped roof 3 closing up the upper side of the side wall and in which a space formed by these components is made a storage chamber 4 is provided. A piping 10 for flowing into the storage chamber 4 is provided on the upper surface side of the roof 3 of this tank and a means 30 for conveying articles is provided on a route between the top part 3a of the roof including an introducing part 10a of the piping 10 into the storage chamber 4 and a part of a corridor 3b. This conveying means 30 is equipped with a hoist 33 for conveyance and a framework 31 which guides wires for conveyance of the hoist 33 along the route of conveyance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tank, and more particularly to a tank that can easily carry articles to the top of a roof.

[0002]

2. Description of the Related Art Aboveground or underground tanks are used to store liquids such as liquefied petroleum gas (LPG) and liquefied natural gas (LNG).

An example of these tanks is shown in FIG. In the figure, the tank is mainly composed of a bottom plate 1, side walls 2 and a roof 3, and a space formed by the bottom plate 1, the side walls 2 and the roof 3 is used as a storage chamber 4 for storing liquid.
The tank is provided with a pipe 10, a staircase 11, and a passage 12.

In the above tank, the top portion 3a of the roof 3 is
An inlet 10a for introducing the pipe 10 into the storage chamber 4 is provided in the. Since a large number of valves are arranged in the introduction part 10a, parts for these valves are replaced,
Alternatively, the top 3 of the pump 15 arranged in the storage chamber 4
It was necessary to convey articles such as valves and pumps to the top portion 3a of the roof 3 in order to replace the articles from a.

This transfer was carried out using the David 16. That is, the article 16 is lifted from the ground to the height of the roof 3 by the David 16 whose base 16a is rotatably mounted on the support tower 17, and is swung to convey the article to the corridor 3b. From the corridor 3b to the apex 3a, the worker was carried along the passage 12. Alternatively, cranes were sometimes used for heavy items.

[0006]

In the above-mentioned conventional tank, when the article is conveyed to the top portion 3a, the David 1
Since it is possible to carry the mechanical force only to the corridor 3b due to 6, there is a problem that the worker has no choice but to carry the articles from the corridor 3b to the top portion 3a, which is a heavy burden on the worker. It was Further, when using a crane, there is a problem that it is necessary to separately prepare a crane each time an article is transported.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a tank capable of easily carrying articles to the top of the roof.

[0008]

In a tank according to claim 1, a disk-shaped bottom plate, a cylindrical side wall erected from a peripheral portion of the bottom plate, and a dome-shaped roof closing the side wall above. The bottom plate, the side wall, the space formed by the roof as a storage room, on the upper surface side of the roof,
A tank provided with pipes for distribution into the storage chamber, the route between the top of the roof including the introduction portion of the pipes into the storage chamber and a part of the peripheral edge of the roof. The transporting means for transporting the article is provided, and the transporting means comprises a transporting hoist and a frame for guiding the transporting wire of the transporting hoist along the path. In the tank according to claim 2,
The hoisting hoist according to claim 1, wherein the frame is provided with a hoisting wire that is movable on the path and that can hoist an article located on the ground when located on a part of the peripheral edge. A hoisting machine is supported, and the hoisting machine for hoisting is fixed to one end of the carrying wire. In the tank according to claim 3,
The tank according to claim 1 or 2, wherein the pipe is
Supported on a pipe support fixed to the upper surface of the roof,
The frame is supported by the pipe support. In the tank according to claim 4,
The tank according to claim 1 or 2, wherein a passage for allowing an operator to enter the top of the roof and a passage supporter that supports the passage are provided on the upper surface side of the roof, and the frame has the passage. It is characterized by being supported by a support.

In the tank according to the first aspect of the present invention, the article is subjected to the mechanical force of the transport hoist on the path between the top including the introduction portion of the pipe into the storage chamber and a part of the peripheral edge of the roof. It is transported by using it. In the tank according to claim 2, the article is hoisted from the ground to the roof by a hoist for hoisting, and then the article is hoisted by the hoisting machine for transport together with the hoisting machine for hoisting. It is transported on the route. In the tank according to the third aspect, since the frame is supported by the pipe support, the transporting means can be easily realized. In the tank according to claim 4, since the frame is supported by the passage support,
The transport means is easily realized.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the tank of the present invention will be described below with reference to FIGS.

1 to 4 show an embodiment of a tank of the present invention. The tank is a disk-shaped bottom plate 1 and a cylindrical side wall 2 provided upright from the peripheral portion of the bottom plate 1. It is mainly composed of a dome-shaped roof 3 that closes the upper side wall 2, and a space formed by the bottom plate 1, the side wall 2 and the roof 3 is used as a storage chamber 4 for storing liquid. Further, in the tank, a pipe 10 for circulating the stored liquid, purge gas and the like into the storage chamber 4 is provided on the side wall 2 and the roof 3.
To the top 3a of the roof 3 for the worker to firmly enter the pipe support members 10b and 10c, and the side wall 2 has a stair 11 and the roof 3 has a passage support member. The passages 12 that are firmly supported by 12a are fixed.

Furthermore, this tank has a roof 3 from the ground.
More specifically, with respect to the top 3a of the
Conveying means 30 for conveying an article is provided to the introduction part 10a to the. The transport means 30 has a frame 3
1, a transport hoist 33, a transport wire 34, a hoist 35, a hoist wire 36, and a hook 37.

The frame 31 includes a frame main body 31a and a rail 3
2, a guide roller 32a is provided, and a transport wire 34, which will be described later, is provided on the upper surface side of the roof 3 including the introduction portion 10a of the pipe 10 and part of the corridor 3b of the roof 3 (part of the peripheral edge). ) To guide in the route between.

The frame main body 31a has one end supported by the pipe support member 10c and the other end on the above-mentioned route, that is, the route located on the side of the pipe 10 in FIG. A plurality of them are supported by (not shown) and are formed in a gate shape in the illustrated example.
Further, the frame main body 31a located in the corridor 3b is formed with a projecting portion 31b protruding outward.

The rail 32 is composed of the plurality of frame main bodies 31.
It is fixed between a and passes over the center of the apex 3a from the projecting portion 31b as a starting point along the path and continues to the back of the apex 3a.

The guide roller 32a guides a carrying wire 34, which will be described later, along the rail 32.

The transport hoist 33 is attached to the frame main body 31a located at the back of the top portion 3a, and the transport wire 34, a winding drum (not shown), and a drive source (not shown).
Is provided with an air motor, and is connected to a pressurized air supply means (not shown) through a flexible tube (not shown).

The carrying wires 34 (shown in FIGS. 2 and 3) are stretched along the rail 32 while being guided by a plurality of guide rollers 32a fixed to the lower side of the rail 32.

The hoisting machine 35 for hoisting is equipped with a hoisting wire 36, a hoisting drum (not shown), and an air motor as a drive source (not shown). Not connected via a flexible tube. The hoist 35 for hoisting is movably suspended on the rail 32 via a trolley 32b, as shown in detail in FIG. In this case, the hoist 35 for lifting
Since one end of the carrying wire 34 is tied and fixed to one end 35a of the rail, the carrying hoist 33 winds or unwinds the carrying wire 34 to move the rail 32 in the entire length direction. It is what is done.

The hoisting wire 36 is hung from the hoisting hoist 35 and has a hook 37 at the lower end thereof to hoist an article located on the ground when it is located in a part of the corridor 3b. It is possible.

Next, the transportation of the article by the transportation means 30 will be described.

First, the transport hoist 33 is operated to unwind the transport wire 34 along the rail 32, and the hoist 35 is positioned on the projecting portion 31b of the frame body 31a. Next, the hoist 35 for hoisting is operated, the wire 36 for hoisting is paid out, and the hook 37 is positioned at the level of the ground. Then, the article X is hooked on the hook 37. Then, the hoisting winder 35 is operated to wind the hoisting wire 36, and the article X is hoisted to the level of the roof 3.

When the article X is lifted up to the level of the roof 3, the transport winding machine 33 is operated to wind up the transport wire 34. Thereby, as shown in FIG.
While being hung by the hoist 35 for hoisting, it is moved to the top 3a. With the above, the transportation is completed.

When the article is carried out from the top portion 3a to the ground, it can be easily carried out in the same manner.

In the present embodiment, the article X is moved by the transport hoist 33 to the top 3a of the roof 3 including the introduction portion 10a of the pipe 10 into the storage chamber 4 and one of the corridors 3b of the roof 3. Can be transported on a route between
That is, the load on the worker can be reduced because the conveyance can be performed by mechanical force.

Moreover, since the article can be transported from the ground to the top portion 3a in a series of movements, the transportation can be carried out smoothly and easily. Further, even heavy articles such as the pump 15 can be transported without using a crane or the like, so that the cost required for maintenance can be reduced.

Further, since the frame 31 is supported by the pipe support 10c, the transport means 30 can be easily realized. In particular, not only a new tank having a high degree of freedom in design, but also an existing tank can be easily constructed, and it can be suitably applied to an existing tank.

Further, the frame body 31 located in the corridor 3b
Since the overhanging portion 31b is formed in a, it is possible to avoid the interference between the article and the corridor 3b during transportation.

Air motors are used as the transporting hoist 33 and the hoisting hoist 35, and these air motors are explosion-proof and have high safety.

The tank of the present invention is not limited to the above embodiment, but may be in the following embodiments. a) One end of the frame 31 is supported by the pipe support 10c.
5, the both ends are supported by the pipe support 10c to form the frame 31 as shown in FIG. 5, and the both ends are supported by the passage support 12a as shown in FIG. 31, constructing the frame 31 supported by a rigid portion (for example, a supporting frame portion of the roof 3) other than the pipe support 10c and the passage support 12a, and combining the above configurations appropriately. b) Instead of applying the transfer means 30 to the above-ground tank as shown in the drawing, applying it to an underground tank. c) Reinforce the frame 31 shown in the figure as appropriate. d) Use a motor other than an air motor instead of using an air motor as a drive source for the transport hoist 33 and the hoist 35.

[0031]

According to the tank of the present invention, the following effects can be obtained. According to the tank of claim 1,
Articles can be transported using the mechanical force of the transport hoist in a path between the top including the introduction of the pipe into the storage chamber and a part of the peripheral edge of the roof. That is, the load on the worker can be reduced because the conveyance can be performed by mechanical force. According to the tank of the second aspect, since the article can be conveyed from the ground to the top in a series of movements by the hoisting machine for hoisting and the hoisting machine for carrying, the carrying can be carried out smoothly and easily. According to the tank of the third aspect, since the frame is supported by the pipe support, the transporting means can be easily realized. According to the tank of the fourth aspect, the frame is supported by the passage support, so that the transporting means can be easily realized.

[Brief description of drawings]

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

2 is an enlarged perspective view showing a part of the tank of FIG. 1. FIG.

FIG. 3 is a view in the direction of arrow A in FIG. 2, showing how an article is conveyed.

FIG. 4 is a diagram schematically showing an enlarged view in the direction of arrow B in FIG.

FIG. 5 is a perspective view showing another embodiment of the tank of the present invention.

FIG. 6 is a perspective view showing still another embodiment of the tank of the present invention.

FIG. 7 is a perspective view showing a conventional example of a tank.

[Explanation of symbols]

 1 Bottom Plate 2 Side Wall 3 Roof 3a Top 4 Storage Room 10 Piping 10a Introductory Section 10c Piping Support 12 Passage 12a Passage Support 30 Transport Means 31 Frame 33 Transport Conveyor 34 Conveyor Wire 35 Lifting Lifter 36 Lifting Wire X Goods

Claims (4)

[Claims] 1. A disc-shaped bottom plate, a cylindrical side wall standing upright from a peripheral portion of the bottom plate, and a dome-shaped roof closing the side wall. The bottom plate, the side wall, and the roof are formed. A tank having a space as a storage chamber and a pipe for distribution into the storage chamber on the upper surface side of the roof, the introduction portion of the pipe into the storage chamber on the upper surface side of the roof. A transporting means for transporting an article in a path between a top portion including a part of the roof and a part of the peripheral edge of the roof, the transporting means includes a transport winding machine and a transport wire of the transport winding machine in the route. A tank characterized by comprising a frame for guiding. 2. The frame is movable on the path,
And, a hoisting machine for hoisting provided with a hoisting wire capable of hoisting an article located on the ground when positioned on a part of the peripheral edge is supported, and the hoisting machine for hoisting is fixed to one end of the carrying wire. The tank according to claim 1, wherein: 3. The pipe according to claim 1, wherein the pipe is supported on a pipe support fixed to an upper surface of the roof, and the frame is supported by the pipe support. tank. 4. A passage for allowing a worker to enter the top of the roof and a passage support for supporting the passage are provided on an upper surface side of the roof, and the frame is supported by the passage support. The tank according to claim 1 or 2, wherein: