JP2004106746A - Tank lorry - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the time required to wash tanks and pumps in connection with a change in the contents of a tank, to improve transporting efficiency by putting the tank lorry in a promptly travelable state, and to lighten a working load of washing the tanks and pumps. <P>SOLUTION: The tank lorry is a mobile traveling vehicle body A having a tank 9 capable of storing fluids loaded therein. The tank device T is composed of the tank 9 supported by a substantially cage-shaped container frame 10, and the tank device T is attachably/detachably loaded on a loading platform 1 of the traveling vehicle body A. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a tank lorry, and more particularly to a structure for mounting a tank on a traveling vehicle body.
[0002]
[Prior art]
Most tank lorries that carry a large amount of industrial fluids such as gasoline and chemical liquids are special purpose vehicles such as trucks that replace the carrier with tanks. In this case, the front and rear long tanks are often partitioned into a plurality of front and rear fluid storage spaces, and many are capable of transferring a plurality of types of industrial fluids.
[0003]
In this case, before storing different fluids in the tank, the inside of the tank and the discharge means (pump, etc.) must be cleaned before cleaning the tank using a large amount of cleaning liquid such as water. become. In this cleaning work, the cleaning liquid is usually injected from the fluid inlet at the top of the tank, so the worker must work on the tank and work down. It was troublesome, labor and time consuming, for example.
[0004]
Therefore, by installing a plurality of tanks each having a fluid inlet and a fluid outlet before and after each, it is possible to improve the flexibility of transporting the same or multiple types of fluids with one tank lorry, and to improve transport efficiency and transport cost. A known technique (for example, see Patent Document 1) is known.
[0005]
[Patent Document 1]
JP-A-2002-067783
[Problems to be solved by the invention]
The tank lorry disclosed in the above publication can be configured to have a tank shape suitable for the fluid to be stored, and one tank itself can be small in size and has advantages such as easy manufacturing. However, when changing the tank contents (fluid), the troublesome tank cleaning work at the site is necessary as before, and the work to change the tank contents is speeded up and the fluid transport efficiency is improved. There was room for improvement to make it happen.
[0007]
SUMMARY OF THE INVENTION An object of the present invention is to reduce the time required for cleaning tanks and pumps when changing the contents of the tank, and to improve the transportation efficiency by making it possible to quickly move and travel. Another object is to reduce the labor for cleaning tanks and pumps.
[0008]
[Means for Solving the Problems]
According to a first aspect of the present invention, in the tank lorry, a fluid-storable tank is detachably mounted on a traveling vehicle body. In other words, the tank is configured to have sufficient strength and rigidity to be able to be carried alone by itself in a state where the tank is full of fluid.
[0009]
According to the configuration of claim 1, since the tank is detachably mounted on the traveling vehicle body, when storing a different fluid in the tank, a tank device containing the different fluid is prepared in advance, and By changing the entire apparatus, it is possible to shift to a state of traveling and transporting without waiting for the time required for the cleaning operation in the tank, and it is possible to shorten the transport time and improve transport efficiency. In addition, since the tank device that is lowered from the traveling vehicle body by reloading can be washed at a position lower than the state mounted on the traveling vehicle and at a place suitable for washing such as a car wash, the washing operation itself is also performed. It can be performed easily and efficiently, and the cleaning work efficiency can be improved.
[0010]
According to a second aspect of the present invention, there is provided a tank lorry in which a fluid-storable tank is mounted on a traveling vehicle body capable of traveling.
The tank device is constituted by supporting the tank on a support, and the tank device is detachably mounted on a traveling vehicle body.
[0011]
According to a second aspect of the present invention, a tank device is provided which has sufficient strength and rigidity by having the tank supported by a support when the tank is detachably mounted on the traveling vehicle body. In addition, due to the strength function of the support, the strength and rigidity that do not deform even when the tank is removed from the traveling vehicle body can be secured. In the conventional tank lorry where the traveling body and the tank are integrated, they can reinforce each other by integrating them, so that the necessary strength and rigidity could be secured. The strength and rigidity were insufficient.
[0012]
Therefore, the tank device can be detachably mounted on the traveling vehicle body by configuring the tank device. When storing a different fluid in the tank, a tank device containing the different fluid is prepared in advance, and the tank device is provided separately. By changing, it is possible to shift to a state of traveling and transporting without waiting for the time required for the cleaning operation in the tank, and it is possible to shorten the transporting time and improve the transporting efficiency. In addition, since the tank device that is lowered from the traveling vehicle body by reloading can be washed at a position lower than the state mounted on the traveling vehicle and at a place suitable for washing such as a car wash, the washing operation itself is also performed. It can be performed easily and efficiently, and the cleaning work efficiency can be improved.
[0013]
According to a third aspect of the present invention, in the configuration of the second aspect, the support is formed of a substantially cage-shaped container frame surrounding the tank device.
[0014]
According to the configuration of the third aspect, the above-described functions and effects of the configuration of the second aspect are exhibited, and the following operations and effects are obtained. Since the support is configured as a container frame surrounding the tank, the container frame also functions as a guard member for preventing other objects from contacting the tank. In other words, the container frame allows the function of the strength member supporting the tank and the function of preventing the tank from being damaged to be multifunctional. In addition, since the container frame picture is substantially cage-shaped, it is preferable that the tank can be easily approached from the outside of the container frame, and that maintenance of the tank can be easily performed.
[0015]
According to a fourth aspect of the present invention, there is provided the pump according to the first to third aspects, wherein a fluid discharge portion capable of taking out the fluid from the tank is provided at a front end of the tank, and the fluid from the fluid discharge portion is driven and discharged. The apparatus is provided at a position near a fluid discharge unit in a traveling vehicle body.
[0016]
According to the configuration of claim 4, any of the above-described functions and effects of the configurations of claims 1 to 3 are provided, and the following functions and effects are obtained. That is, by providing the fluid discharge unit in front of the tank, a pump device for extracting fluid provided to the traveling vehicle body can be provided at a position near the fluid discharge unit in the traveling vehicle body. Therefore, as compared with the case where the pump device is arranged at the rear end of the traveling vehicle body, it is possible to shorten the power transmission path from the engine arranged at the front end of the vehicle body and the operation path for interrupting the power. Become.
[0017]
As a result, the power transmission system for driving the pump device can be reduced in size, thereby achieving a cost / weight reduction effect and an improvement effect of the power transmission efficiency. There is also an advantage that the moving distance to the unit is shortened, the flow line of the worker is shortened, and the labor can be reduced.
[0018]
According to a fifth aspect of the present invention, in the configuration of the fourth aspect, a fluid outlet of the pump device is provided on each of the right and left sides of the traveling vehicle body.
[0019]
According to the configuration of claim 5, the operation and effect of the configuration of claim 4 are exhibited, and the supply target portion of the fluid in the tank may be located on either the left or right of the traveling vehicle body. Even in a situation in which the direction of the traveling vehicle body cannot be freely selected, an operation and an effect that fluid supply can be favorably performed using a fluid outlet which is closer to the other can be obtained.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a tank truck according to the present invention. This tank lorry includes a loading vehicle (truck vehicle) A, which is a self-propelled vehicle, and a tank device T which is removably mounted on a bed 1 of the loading vehicle (an example of a running vehicle) A. A pump device P for taking out the liquid from the tank device T is provided below the front of the carrier 1.
[0021]
The loading vehicle A is a general one including a front steering wheel 2, a driving cabin 3, and front and rear driving rear wheels 4, 4 arranged below a rear portion of a carrier 1. A side bumper 5 for preventing intrusion of other objects is provided below a front portion of the loading platform 1, and a quality indicator 6 and a sign 7 such as “Danger” are provided below a rear end of the loading platform 1. And a rear bumper 8 and the like. 11 is a fire extinguisher.
[0022]
The tank device T includes a tank 9 capable of containing an industrial liquid such as gasoline, light oil, solvent, PPG (polypropylene glycol), and a container frame (an example of a support) 10 for internally supporting the tank 9. The container frame 10 includes a main girder member 12 extending in the front and rear directions, a pair of square frames 13 fixed to the front and rear sides of the main girder member 12, an upper surface frame 14 connecting upper portions of the front and rear square frames 13, 13, and the like. The upper frame 14 is formed of a plate-like member (e.g., a punching metal) so that the upper frame 14 can be a walkable passage.
[0023]
The upper surface of the tank 9 is provided with a vent 17, an emergency lever 32, a manhole 18, a safety valve 19, a spare safety valve 20, and the like. A ladder 31 is provided in the front and rear square frames 13. Further, four oblique members 33 that can prevent the tank 9 from moving back and forth and that reinforce the square frame 13 are attached to the square frame 13.
[0024]
The substantially cylindrical tank 9 is mounted on a plurality of connecting frames 15 spanning the left and right main girder members 12, 12, and a plurality of holding frames 16 projecting obliquely downward from the rectangular frame 13. Is positioned within the container frame 10. The connection frame 15 is formed of a member having an internal space such as a box shape or a channel shape in cross section. The container frame 10 has sufficient strength and rigidity so as to be able to carry and move by itself withstand the weight of the tank 9, and is moved by a forklift (for each type) which inserts a fork claw into an inner space of the connecting frame 15 and lifts it. The hanging and moving means by a crane or the like in which a wire rope is hung on the square frame 13 is also possible), so that the loading and unloading to the carrier 1 can be performed freely.
[0025]
The overall length, overall width, and overall height of the container frame 10 are set to be greater than the overall length, overall width, and overall height of the tank 9, and serve as a guard member that supports the tank 9 and prevents contact with other objects. It is configured to work. Although not shown, the loading platform 1 is equipped with a plurality of detachable mechanisms for mounting and locking and releasing the container frame 10 in a positioned state.
[0026]
As shown in FIG. 1, the working space s between the front and rear of the container frame 10 and the driving cabin 3 is set to have a relatively long front and rear length. There is a pump device P that takes out the liquid in the inside to the outside. As shown in FIGS. 4 to 6, the pump device P includes a gear pump 22 disposed in the left and right spaces of the left and right main body frames f, f. The power to the gear pump 22 is obtained by transmitting the driving force of an engine (not shown) disposed below the driving cabin 3 from a PTO (power take-off) shaft 23 transmitted via a reduction mechanism (not shown). Is to be entered. Although not shown, a PTO clutch for turning on and off the power to the gear pump 22 is provided in the working space s.
[0027]
As shown in FIGS. 4 to 6, the gear pump 22 is disposed substantially at the center in the width direction of the loading vehicle A, and has an input port 22 a and a relay opening / closing valve (a liquid outlet port) provided on the front side of the tank 9. An input hose 24 for communicating with the fluid discharge unit 21) and an output hose 26 for communicating and connecting an output port 22b of the gear pump 22 with end open / close valves (one example of fluid outlets) 25 and 25 disposed on the left and right. Is provided. The relay opening / closing valve 21 is fixed to the tank 9.
[0028]
A drain 27 is provided below the gear pump 22. A drain 28 for discharging spilled liquid and a drain hose for discharging the liquid from the tray 28 are provided on the liquid outlet side of each of the left and right end on-off valves 25. 29 are arranged. A connection flange 30 is detachably connected to the relay opening / closing valve 21 at the tank side end of the input hose 24.
[0029]
To mount the tank device T on the loading vehicle A, first, the container frame 10 is installed at a predetermined position on the loading platform 1 using a forklift or the like and locked. Then, the operation procedure is to connect the input hose 24 to the relay opening / closing valve 21. In order to take out the liquid in the tank 9 at a site such as a gas station, an oil supply hose (not shown) is connected to one of the left and right end on / off valves 25, and the selected end on / off valve 25 and the relay on / off valve 21 are opened. Then, the gear pump 22 is driven by engaging the PTO clutch.
[0030]
In order to unload the tank device T from the loading vehicle A, the relay valve 21 is closed, the input hose 24 is removed from the relay valve 21, the container frame 10 is unlocked from the loading platform 1, and then the container The frame 10 can be removed from the carrier 1 using a forklift. Therefore, in order to transport different types of industrial liquids by attaching and detaching the tank device T to and from the loading platform 1, it is only necessary to reload the tank device T having the tank 9 containing the different industrial liquids. It becomes something.
[0031]
However, when replacing the above different tank device T, it is necessary to wash the gear pump 22, the input hose 24, and the output hose 26, and while the gear pump 22 is being driven, a cleaning solution such as water is removed from the input hose 24 in the detached state. The liquid in the gear pump 22 may be drained from the drain 27.
[0032]
As shown in FIG. 7, a portion of the carrier 1 above the gear pump 22 is formed with a removable opening / closing lid 34, and when opened, an opening 35 through which the gear pump 22 is exposed appears from above the carrier 1. . Therefore, the opening / closing lid 34 can be opened and closed at the time of cleaning, inspection, and maintenance of the gear pump 22, so that the gear pump 22 can be exposed from above, which is convenient.
[0033]
As described above, according to the tank lorry according to the present invention, the tank device T is removably mounted on the carrier 1 of the loading vehicle A. It is only necessary to carry out the cleaning and reloading of the tank device T, and it is not necessary to perform a troublesome, time-consuming and laborious on-site work for cleaning the inside of the tank 9 with a large amount of the cleaning liquid as in the related art. The specification can be changed easily and quickly to the state.
[0034]
In addition, since the pump device P for taking out the liquid from the tank 9 is disposed on the front side of the tank device T, the engine disposed on the front of the vehicle body, such as below the driving cabin 3, and the pump device P interlock. The connecting means (PTO shaft and the like) can be shortened, and many items such as pump driving efficiency, arrangement space, weight, and cost can be improved, and the tank lorry can be rationalized.
[0035]
[Another embodiment]
In the above-described embodiment, the tank device T is mounted on the vehicle with the engine (loading vehicle A). For example, a trailer vehicle that can be connected to a towing vehicle, that is, a traveling vehicle that does not have a driving source for traveling. Also, a device in which a tank device is detachably mounted is defined as being included in the category of “tank lorry” in the present invention.
[0036]
In addition to the container frame 10, the supporting member 10 may have a structure in which a reinforcing member is directly connected to the outer plate of the tank 9 to be integrated with the tank 9, or the tank 9 is not visible from the outside or It may be configured in a box shape so that it is hardly visible. The term “fluid” is a general term for liquid, gas, and semi-liquid (sol, etc.).
[0037]
Although not shown, the tank 9 can be transported independently by thickening the plate, integrating a reinforcing member such as a channel material or a pipe material on the surface, or adopting a double cylinder structure. By arranging the tank 9 with sufficient strength and rigidity, the tank 9 can be independently mounted on the carrier 1 without using the support 10. As described above, if the support 10 is eliminated, the appearance can be made smart and the appearance can be improved, and the entire tank device T can be made bulky and advantageous in storage in a warehouse or the like. .
[Brief description of the drawings]
FIG. 1 is a side view of a tank lorry. FIG. 2 is a plan view of a tank lorry. FIG. 3 is a rear view of a tank lorry. FIG. 4 is a side view showing a structure of a pump device. FIG. 5 is a plan view of a pump device portion. FIG. 7 is a rear perspective view of a pump device part. FIG. 7 is a partial perspective view showing a carrier of the pump device part.
9 tank 10 support (container frame)
21 fluid discharge unit 25 fluid outlet A traveling vehicle body P pump device T tank device

Claims (5)

A tank lorry with a fluid-storable tank mounted on the traveling vehicle body in a removable manner. A tank lorry in which a fluid-storable tank is mounted on a traveling vehicle body that can move and travel,
A tank lorry in which a tank device is configured by supporting the tank on a support, and the tank device is detachably mounted on the traveling vehicle body. 3. The tank lorry according to claim 2, wherein the support is formed of a substantially cage-shaped container frame surrounding the tank device. A fluid discharge portion capable of taking out the fluid in the tank is provided at the front end of the tank, and a pump device for driving and discharging the fluid from the fluid discharge portion is provided near the fluid discharge portion in the traveling vehicle body. The tank lorry according to any one of claims 1 to 3, which is provided at a position. The tank lorry according to claim 4, wherein fluid outlets of the pump device are provided on left and right sides of the traveling vehicle body.

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