JPH0159197B2 - - Google Patents

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention provides a pump with a flow meter, a control valve, a first swivel joint, a first oil supply pipe, a second swivel joint, and a second oil supply pipe. Connect the pipe and the piping connector below the hatch of the lorry to the compatible piping connector in sequence, and then connect the oil supply amount indicator, the preset device for setting the oil supply amount, and the flow rate pulse transmitter installed on the flow meter. , a hand switch that is attached to the second oil supply pipe and outputs an opening/closing signal for the control valve, a control device that is connected to the hand switch, a preset device, a flow rate pulse transmitter, and a fuel supply amount indicator; The control device opens the control valve by operating a hand switch, integrates the flow rate pulses from the flow pulse transmission, displays the oil supply amount on the oil supply amount display meter, and when the oil supply amount reaches the oil supply amount set by the preset device, the control valve opens. The present invention relates to a refueling device that closes.

[Prior Art] As is well known, when refueling the hatch of a tank on a lorry, a worker climbs on top of the tank, removes the lid provided on the refueling opening at the top of the hatch on the lorry, and inserts the refueling pipe downward through the refueling opening. So-called upper loading, which is inserted into the lorry tank to perform the refueling operation, and so-called bottom loading, which has a refueling port below the hatch of the lorry tank and connects the refueling pipe of the refueling device to this refueling port to perform refueling. However, bottom loading is safer because it does not require the worker to stand on top of the tank.

When refueling a lorry, it is normal to supply a predetermined amount (for example, 2Kl) of oil corresponding to the capacity of each hatch, and the control device for the oil supply system also
It is designed to serve such a purpose.
In addition, in order to confirm whether the quantity shipped by the quantitative device matches the scale of the lorry's measuring rod, the lorry driver must check the scale of the lorry's measuring rod regardless of top loading or bottom loading. We check each hatch for each hatch, and are careful not to cause problems with the recipient at the filling station during unloading due to insufficient quantity. This weighing work using a measuring rod is always dangerous because it is carried out while standing on top of the tank. There is a drawback that oil may overflow if an incorrect input is made to the control device of the oil supply system or if the user accidentally refuels a hatch that has already been refueled. To prevent this, in the case of top loading, in which oil is supplied from above the hatch, the worker always visually checks the liquid level from the opening, and if there is a malfunction or malfunction and the tank becomes full, for example, Although we try to stop the refueling operation immediately by operating a switch, etc., the interior of the hatch is dark, so we sometimes misjudge our estimates and overflow the oil. In addition, in the case of bottom loading where the worker is not above the tank, it is not possible to know that the tank is full until the oil overflows.

On the other hand, Japanese Utility Model Application Publication No. 56-81093 discloses a technology related to an oil storage management device equipped with a tank equipped with a level gauge and a display meter that converts the output of the level gauge into capacity and displays it. In Japanese Patent Application Laid-open No. 52-155414,
A technique related to an oil condensing device is disclosed in which a display meter that displays liquid capacity is connected to an output side via a connecting device. If these techniques are applied to detecting the liquid level in the hatch of a lorry tank, it is safe because the weighing operator does not need to stand on top of the tank. However, top loading requires the rider to step on top of the tank in order to remove the lid provided on the refueling opening, which is dangerous.

Furthermore, Japanese Patent Publication No. 49-2208 discloses a lorry in which each tank is provided with a liquid level gauge, and the lorry is provided with a connecting device for transmitting the output of the liquid level gauge to an external indicator. However, this known technology is a technology for refueling from a lorry to a tank at a gas station, and therefore, when refueling a lorry tank at an oil depot, it is necessary to know the amount of liquid in the lorry's hatch. First, even if the tank becomes full, the operator must be made aware of this fact. Therefore, the above-mentioned known techniques cannot be applied.

[Problems to be Solved] Therefore, it is an object of the present invention to be able to know the amount of liquid in the hatch without getting on the tank of the lorry, and to keep the tank full even in the event of erroneous operation or malfunction. The purpose of the present invention is to provide a refueling device that can be easily recognized.

[Means for Solving the Problems] According to the present invention, a pump includes a flow meter, a control valve, a first swivel joint, a first oil supply pipe, a second swivel joint, a second oil supply pipe, and a lorry. Connect the piping connector below the hatch and the matching piping connector in sequence, and then connect the oil supply amount display meter, the preset device for setting the oil supply amount, the flow rate pulse transmitter provided on the flow meter, and the second piping connector. It is equipped with a hand switch that is attached to the oil supply pipe and outputs an opening/closing signal for the control valve, and a control device that is connected to the hand switch, a preset device, a flow rate pulse transmitter, and a fuel supply amount display meter. The control valve is opened by operating a switch, the flow rate pulse from the flow pulse transmitter is integrated, the amount of oil supplied is displayed on the oil amount display meter, and when the amount of oil supplied reaches the amount set by the preset device, the control valve is closed. In the refueling device, the lorry is provided with a liquid level gauge, a full tank detector, and a signal line connector that transmits the output from the liquid level gauge and the full tank detector, A signal line connector that is compatible with the lorry, a liquid level indicator that displays the liquid level in the tank of the lorry, and a liquid level indicator that displays the liquid level signal sent from the lorry's liquid level gauge sent through the signal line connector. and a control device that closes the control in response to a full tank detection signal from a full tank detector of the lorry, and the display surface of the liquid level indicator and the display surface of the refueling amount indicator are arranged so as to face the same direction. has been done.

[Operation] Therefore, when refueling each tank of the lorry, the piping connectors are connected together, and further the signal line connectors are connected together. When connecting piping connectors, even if the lorry stops at different positions, the first
and a second swivel joint, the connection is easy. Then, set the preset amount and press the hand switch to start refueling.
Once the preset amount of oil has been filled, a signal from the flow pulse generator automatically closes the control valve. However, in the unlikely event that the preset amount is set by mistake or there is a remaining amount in the tank, the control valve will still be closed by a signal from the full tank detector when the tank is full. During this time, the operator can simultaneously visually see the display surface of the liquid level indicator and the display surface of the refueling amount indicator, which are facing the same direction, making it easier to notice abnormalities, and in the event of an abnormality, operate the hand switch to immediately start refueling. Just stop it.

As described above, according to the present invention, it is possible to provide a safe oil supply device that not only improves operational safety for the operator but also prevents oil from spilling in the event of an accident.

[Example] Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, a refueling apparatus embodying the present invention, generally designated by the reference numeral A, is shown attempting to refuel a lorry, generally designated by the reference numeral B. In FIG.

The oil supply device A includes a base 2 provided on a base, that is, a rack 1, and a pipe for supplying oil from a pump (not shown) is disposed on the base 2, and the pipe is connected to a flow meter 3. This flowmeter 3 is the piping 4
A control valve 5 is connected via. A first oil supply pipe 7 is connected to the control valve 5 via a swivel joint 6, and the first oil supply pipe 7 is connected to a second oil supply pipe 8 via a swivel joint 6a. A piping connector 9 is connected to the end of the second oil supply pipe 8. Also this second
The oil supply pipe 8 is provided with a hand switch SW. On the other hand, a pulse transmitter 10 provided in the flow meter 3 sends its pulse signal to a control device 11, and displays the amount of oil supplied on a display meter 12. The control device 11 is equipped with a preset device 13 (FIG. 2) operated by, for example, a push button 13a. According to the present invention, the rack 1 is provided with a liquid level indicator 14 and a refueling amount indicator 12 at positions easily visible to the operator, with their display surfaces facing in the same direction as shown in the figure. A liquid level measurement control device 15 (FIG. 2), which will be described later, is provided in the box 14a. A connector 17 is connected to the tip of a signal line 16 connected to the liquid level measurement control device 15. Note that the pipe 29 provided with the connector 30 at its tip is for vapor recovery.

On the other hand, the tank of the lorry B is equipped with a plurality of hatches T divided in a known manner, and an opening 20 is provided at the bottom of each hatch T.
One end of the hatch pipe 21 is connected to the hatch pipe 21, a check valve is built in the other end of the hatch pipe 21, and a second
A piping connector 22 that is compatible with the piping connector 9 connected to the oil supply pipe 8 is provided. Each hatch T
The upper part is a common air vent pipe 2 inside each hatch.
There are 3 connectors for vapor recovery.
A connector 24 is provided on the tube 23, which fits. Furthermore, each hatch T is provided with, for example, a bar-shaped capacitance type liquid level gauge 25, and a full tank detector 26 is provided at the top. Signals from the liquid level gauge 25 and the full tank detector 26 are sent via signal lines to a signal line connector 27 that engages with the signal line connector 17.

During operation, the lorry B is stopped at a stop position adjacent to the refueling device A, the pipe connectors 9 and 22 and the vapor recovery connectors 24 and 30 are connected, the signal line connectors 17 and 27 are connected, and refueling work is started. The operation is mainly explained in the second section below.
This will be explained with reference to the figures.

The operator specifies a preset amount corresponding to the capacity of the hatch T to the amount setting hand switch SW to the preset device 13, and the control device 11 opens the control valve 5 by operating the hand start switch SW. Then, oil from a pump (not shown) flows through the flowmeter 3, piping 4, control valve 5, first and second oil supply pipes 7, 8,
It flows from the connectors 9 and 22 through the hatch pipe 21 and into the tank T. At this time, the air in the hatch T flows from the common air vent pipe 23 through the vapor recovery connectors 24 and 30 to the vapor recovery piping 29, and is recovered by a recovery device or the like. A pulse signal from the pulse transmitter 10 is displayed as a flow rate on a display meter 12 via a control device 11. When the amount of oil supplied becomes equal to the preset amount, the control device 11 closes the control valve 5 and the operation ends.

The above is a normal operation, but by implementing the present invention, it is possible to know the amount of oil in the hatch after refueling without stepping on the tank. In other words, the display on the indicator 14 after the control valve 5 is closed is as follows:
It shows the amount of oil in the hatch after refueling, so just read this number. At that time, display meter 12
The amount of oil supplied can be used as a reference. Further, during refueling, if the liquid level in the hatch T rises above a predetermined value, the control valve 5 can be closed to stop the refueling operation.

That is, a signal from the liquid level gauge 25 during the oiling operation is displayed as an oil amount on the display meter 14 via the liquid level measurement control device 15. Therefore, the worker should visually check this indicator 14, and if he notices an abnormality, he should turn on the hand switch.
Refueling work can be stopped immediately by operating the SW.

When the full tank detector 26 detects that the tank is full, the liquid level measurement control device 15 is configured to immediately close the control valve 5 in response to the signal, so no oil overflows.

[Effects of the Invention] As described above, according to the present invention, the oil level signal from the liquid level gauge is displayed on a display meter that is easily installed, so that workers can always know the amount of oil in the tank. Therefore, it is safe as there is no need to stand on top of the tank for measurement, and it also prevents oil from spilling out from above if the tank is filled with the specified amount of oil by mistake. can be prevented. In addition, despite the bottom loading, you can check the volume without having to go to the top of the tank, which frees you from working at heights and reduces work time.

[Brief explanation of drawings]

FIG. 1 is a side view showing a refueling apparatus embodying the present invention and a lorry to be refueled, and FIG. 2 is a block diagram showing an embodiment of the present invention. A... Lubricating device, B... Lorry, SW... Hand switch, 5... Control valve, 9, 22... Piping connector, 11... Control device, 12... Oil supply amount indicator, 14... Liquid level Display meter, 15...Liquid level measurement control device, 17, 27...Signal line connector, 25...
Liquid level gauge, 26...full tank detector.

Claims (1)

[Claims] 1. A pump, a flow meter, a control valve, a first swivel joint, a first oil supply pipe, a second swivel joint, a second oil supply pipe, and a piping connector that matches the piping connector below the hatch of the lorry. are connected in sequence, and a refueling amount display meter, a preset device for setting the refueling amount, a flow rate pulse transmitter provided on the flowmeter, and a flow rate pulse transmitter attached to the second oil supply pipe output an opening/closing signal for the control valve. The control device is equipped with a hand switch connected to the hand switch, a preset device, a flow rate pulse transmitter, and a refueling amount display meter. In a lubrication system that integrates flow rate pulses and displays the amount of lubrication on a lubrication amount indicator, and then closes a control valve when the amount of lubrication reaches the amount of lubrication set on a preset device, the lorry is equipped with a level gauge and a filler. A tank detector, the liquid level gauge, and a signal line connector that transmits the output from the full tank detector are provided. The liquid level indicator displays the liquid level signal sent from the lorry's liquid level gauge via the signal line connector, and the liquid level indicator displays the liquid level signal sent from the lorry's liquid level gauge via the signal line connector, and the full tank detection signal from the lorry's full tank detector. and a control device for closing the control, and a display surface of the liquid level indicator and a display surface of the oil supply amount indicator are arranged facing the same direction.