JPH066076Y2 - Bulkhead of tank truck - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention mainly relates to a partition wall of a tank truck made of synthetic resin.

[Conventional technology]

Conventionally, a convex partition wall portion having a convex curved surface shape as shown in FIG.
(1) and a concave partition wall portion having a concave curved surface shape (22) having a curved surface center of the main body (21) at the peripheral portion of the main body (21) having a concave curved surface shape conforming to the convex curved surface shape of the convex partition wall portion ( 2) and are overlapped with each other, and a pressure equalizing path (31) A is provided by penetrating the short pipe (31) in the upper part and a human body (32) A by penetrating the ring body (32) in the lower part. A partition provided with
(3) is provided (see, for example, Japanese Patent Publication No. 58-3912).

The tank truck (4) comprises an inner shell (4) A made of a thermoplastic synthetic resin having great chemical resistance such as polyvinyl chloride, polyvinyl fluoride, polyethylene, polypropylene, etc.
(4) B is a glass fiber reinforced plastic (FR
P). And the outer partition wall (1) A, (2) A is also composed of the same thermoplastic synthetic resin as described above, and the inner partition wall (1) B, (2) B is composed of FRP. Then, the hydraulic pressure in the tank truck (4) is changed to the convex partition (1).
When applied from the side, the liquid pressure is dispersed by the convex shape, and when applied from the side of the concave partition wall (2), the liquid pressure is applied to the body (21) of the concave partition (2). It is received and transmitted to and absorbed by the reverse curved surface portion (22). Therefore, the partition wall (3) having such a shape exhibits great strength against liquid pressure.

[Problems to be solved by the device]

However, in order to extract the residual liquid accumulated at the bottom of the tank truck (4), the inner chambers (41), (42), (43) of the tank truck (4) partitioned by the partition wall (3) as shown in FIG. The drainage branch pipes (51), (52), and (53) were pulled out from the bottom of each pipe and connected to the drainage pipe (5).

[Means for Solving the Problems]

The present invention, as means for solving the above-mentioned conventional problems,
The convex partition wall portion (1) having a convex curved surface shape and the main body (21) having a concave curved surface shape conforming to the convex curved surface shape of the convex partition wall portion (1) are provided with the curved center of the main body (21) being opposite. A partition wall (3) of a tank truck (4) having a concave partition wall portion (2) formed with an inverted curved surface portion (22) having a curved surface center on the side, and the convex partition wall portion at the bottom.
A hole is provided in each of (1) and the concave partition wall portion (2), and a short cylinder (33) that penetrates both the hole of the convex partition wall portion (1) and the hole of the concave partition wall portion (2) is attached and fixed. The partition wall (3) of the tank truck (4) provided with the drainage port (33) A is provided.

[Action]

The tank lorry (4) is mounted on the tank lorry vehicle (5) with its rear portion tilted so as to be lower. Therefore, the inner chambers (4) A, (4) B, (4) C divided by the partition wall (3) of the tank truck (4)
The residual liquid (6) accumulated at the bottom of the partition reaches the rearmost inner chamber (4) C through the short cylinders (33) of each partition wall (3). Therefore, if the drainage pipe (42) C is extended from the bottom of the rearmost inner chamber (4) C, the remaining liquid (6) of the entire tank truck (4) can be drained from the drainage pipe (42) C. Further, the residual liquid (6) is prevented from entering between the convex partition wall portion (1) and the concave partition wall portion (2) by the short cylinder. When the liquid pressure filled in the tank truck (4) of the partition wall (3) is applied from the convex partition wall portion (1) side, the liquid pressure is dispersed by the convex shape, and the liquid pressure is the concave partition wall portion (1). When it is applied from the 2) side, the liquid pressure is received by the main body (21) of the concave partition wall portion (2), and is transmitted and absorbed to the reverse curved surface portion (22).

[Effect of device]

Therefore, in the present invention, a partition having a strength that can sufficiently withstand the liquid pressure in the tank truck is proposed, and the entire remaining liquid can be discharged by simply connecting one drain pipe to the tank truck, and the structure is extremely simple. Become.

〔Example〕

The present invention will now be described with reference to an embodiment shown in FIG. 1. The partition wall (3) of the tank truck (4) has a convex curved surface.
(1) and an inverse curved surface portion (22) having a curved surface center opposite to the curved surface center of the main body (21) at the periphery of the main body (21) having a concave curved surface shape that matches the convex curved surface shape of the convex partition wall portion. ) Formed concave partition wall
(2) is formed by polymerization, the partition wall (3) is provided with a pressure equalizing path (31) A through the short pipe (31) at the upper part,
A hole (32) A is formed in the lower part of the partition wall (3) by penetrating the ring body (32), and a short cylinder (33) is penetrated in the bottom part of the partition wall (3) to drain the liquid.
(33) A is provided.

The inner shell (4) A of the tank truck (4) is made of a thermoplastic synthetic resin having great chemical resistance, such as polyvinyl chloride, polyvinyl fluoride, polyethylene, polypropylene, and the outer shell.
(4) Glass fiber reinforced plastic with high strength of B (FR
P). And the outer partition wall (1) A, (2) A is also composed of the same thermoplastic synthetic resin as described above, and the inner partition wall (1) B, (2) B is composed of FRP. The short pipe (31) of the pressure equalizing path (31) A and the ring (3) of the human hole (32) A
2) and the short tube (33) of the drainage port (33) A are also made of the same thermoplastic synthetic resin as described above, and the short tube (31), the ring (32) and the short tube.
(33) is the outer wall (1) of the convex partition (1) and the concave partition (2), respectively
It is fixed by A, (2) A and welding (31) C, (32) C, (33) C.

Using two partition walls (3) having the above structure, for example, as shown in FIG. 3, the inside of the tank truck (4) is divided into inner chambers (4) A, (4) B, (4) C and the upper surface of each of them is divided. Manholes (41) A, (41) B, (4
1) C is provided, and the valve is provided at the bottom of the innermost chamber (4) C at the end.
The drain pipe (42) C having (43) C is connected. Such a tank truck (4) is mounted on the cargo bed (5) A of the automobile (5), but is tilted backward as shown in FIG.

In the above configuration, the pressure in the inner chamber (4) A, (4) B, (4) C is the partition wall (3)
The pressure is communicated and equalized by the pressure equalizing path (31) A of the inner chamber (4) A, (4) B, when inspecting the inside of the tank truck (4).
A person enters from one of the manholes (41) A, (41) B, and (41) C of (4) C and moves inside the tank truck (4) through the human hole (32) A. When the pressure of the liquid filled in the tank truck (4) is exerted from the convex partition wall (1) side of the partition wall (3) due to starting, stopping of the automobile (5), vibration during running, curves, etc. The fluid pressure is dispersed by the convex shape, and the fluid pressure is concave
The main body (21) of the concave partition wall portion (2) when extended from the (2) side
The hydraulic pressure is received by and is transmitted to and absorbed by the reverse curved surface portion (22). Then, when the liquid filled in the tank truck (4) is taken out, the residual liquid (6) is drained from the partition wall (3) as shown in FIG.
It is accumulated in the lower part of the tank truck (4) via (33) A, that is, toward the rearmost part, and the valve (43) C is opened to discharge from the drain pipe (42) C. Thus, when the residual liquid (6) passes through the drainage port (33) A of the partition wall (3), the short tube (33) made of a thermoplastic synthetic resin having chemical resistance is used to project the partition wall (3). Inner wall portions (1) of the convex partition wall portion (1) and the concave partition wall portion (2) which are blocked from entering the overlapping surfaces of the partition wall portion (1) and the concave partition wall portion (2)
The residual liquid (6) is prevented from coming into contact with the FRP layer of B, (2) B having a relatively small chemical resistance.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention,
1 is a side sectional view of the partition wall, FIG. 2 is a front view of the partition wall,
FIG. 3 is a mounting state view of a tank truck, FIG. 4 is a side sectional view of a conventional partition wall portion, and FIG. 5 is a side sectional view of a conventional tank truck. In the figure, (1) …… Convex partition wall part, (2) …… Concave partition wall part (21) …… Main body, (22) …… Inverse curved surface part (3) …… Partition wall, (33) …… Short cylinder, ( 33) A …… Drainage port (4) …… Tank truck

Claims (1)

[Scope of utility model registration request] 1. An inverse structure having a convex partition wall portion having a convex curved surface shape, and a curved surface center opposite to the curved surface center of the main body at a peripheral edge portion of the main body having a concave curved surface shape conforming to the convex curved surface shape of the convex partition wall portion. A partition wall of a tank truck formed by superimposing a concave partition wall portion having a curved surface portion, wherein holes are provided in each of the convex partition wall portion and the concave partition wall portion at the bottom, and the hole of the convex partition wall portion and the hole of the concave partition wall portion are provided. Separating the tank truck by attaching and fixing a short cylinder that penetrates both and