JPH0447040Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an aircraft refueling vehicle for refueling aircraft at an airport terminal.

[Prior Art] Many large-scale airports have fueling ports called hydrant pits on the ground at spots where aircraft are parked, from which aircraft fuel is supplied.

To refuel this aircraft, it is necessary to attach a refueling hose to the refueling port provided on the underside of the wing body, which requires installation work to the wing body several meters above the ground.

In addition, the hydrant pit is supplied with highly pressurized aircraft fuel from a storage tank, for example at a pressure of about 150 psi, so if you refuel an aircraft at this pressure, the aircraft will There is a risk of damaging the fuel tank.

Therefore, it is necessary to supply oil by reducing the pressure to about 45 to 50 psi using a pressure reducing device.

For this reason, the aircraft refueling system is equipped with a refueling hose connected to the aircraft's fuel tank, a work elevator deck that can be raised and lowered on the top, a pressure reducing device,
A refueling vehicle equipped with a pressure gauge, a flow meter, a refueling filter separator, a shock absorber, etc. is used.

That is, the working elevator deck of this refueling vehicle is placed directly below the refueling port on the lower surface of the wing body of the aircraft, and the elevator deck is raised.
The operator opens the access door covering the fuel filler port, attaches the fuel hose to the fuel filler port, and connects the other end of the fuel hose to the hydrant pit to supply fuel.

[The problem that the idea attempts to solve]

In such aircraft refueling vehicles, it is necessary to move the elevator deck so that it is directly below the refueling port on the underside of the aircraft wing. If the elevator deck is out of alignment with the refueling port, access It becomes difficult to open and close the door and to attach and detach the refueling hose. For this reason, a worker other than the driver guides the vehicle and stops the vehicle at an appropriate location, but this requires a worker other than the driver, ensuring worker safety and reducing labor costs. This included problems such as:

Therefore, in order to solve such problems,
Japanese Utility Model Application No. 60-49099 discloses an image receiving device for receiving an image of a target at or near an aircraft refueling port, and a device for transmitting the image received by the image receiving device to an image device installed in a driver's cab. A refueling position confirmation device equipped with an optical transmission device was also developed in 1982.
Publication No. 138700 discloses that a television camera is installed so as to be able to take pictures almost directly above the workbench of a refueling vehicle, and the images taken by the television camera are connected to a transmission cable and installed on a television set in the driver's seat. A refueling position confirmation device configured to have an image received by an image receiving device or the like is described.

Indeed, according to these ideas, it is possible to view images of the vicinity of the aircraft refueling port while sitting in the driver's seat of the refueling vehicle, but it is not possible to directly confirm the relative position between the refueling port and the vehicle; Since the driver moves the refueling vehicle appropriately based on the image, for example, if an image receiving device and a reflector are used, if the angle of the reflector is incorrect, it will be difficult to confirm the relative position of the refueling vehicle and the supply port. In addition, if the field of view of the reflector or television camera used as the image receiving device is wide-angle, the refueling port can be seen from a relatively distant position, so it is easy to approach the refueling vehicle to some extent close to the refueling port. However, final accurate positioning is difficult due to the wide field of view, and conversely, if the field of view of the image receiving device is narrow, positioning may be difficult after the refueling vehicle has approached the refueling port to some extent. Although this is an advantage, it has the disadvantage that the refueling port cannot be seen while approaching such a position.
In reality, it has not always been easy to stop the refueling vehicle at the correct position with these devices.

[Means to solve the problem]

In view of the above-mentioned problems when refueling an aircraft, the present invention has at least a refueling hose and a working elevator deck, and uses the working elevator to install a hydrant on the ground of an airport. In an aircraft refueling vehicle that refuels by connecting a pit and an aircraft refueling port with the refueling hose, the lower surface of the wing body of the aircraft is irradiated, and when the vehicle is in an appropriate position for refueling, the aircraft A stop position detection light projecting means with convergence is set so that a light point is located at a predetermined position on the lower surface of the wing body, and the position of the light point of the light projecting means that illuminates the lower surface of the wing body is determined by It is an object of the present invention to provide an aircraft refueling vehicle equipped with a visual recognition means that can be visually recognized from the vehicle.

As the visual confirmation means, a mirror or a television camera and a television receiver can be used.

[Effect]

The aircraft refueling vehicle according to the present invention is constructed as described above, and while confirming the light spot position of the light projecting means that illuminates the lower surface of the wing body of the aircraft using visual means such as a mirror or a television camera, The vehicle is moved so that the light spot is at a predetermined position on the wing body, and when the light spot is at the predetermined position, the vehicle is stopped, and the refueling operation is performed at this position.

〔Example〕

Hereinafter, details of the present invention will be explained based on illustrated embodiments.

1 and 2 are explanatory perspective views showing an embodiment of an aircraft refueling vehicle according to the present invention, and FIG. 3 is a side view thereof.

In the figure, reference numeral 1 is the aircraft refueling vehicle body of the present invention, 2 is a refueling hose having an end that can be attached to and detached from a hydrant pot 3 provided on the ground at an airport parking spot, and 4 is Wing body 6 of aircraft 5
It is a refueling hose having an end that is detachable from a refueling port 7 provided on the lower surface of the vehicle, and the refueling hoses 2 and 4 are connected to each other via a pressure reducing device or the like provided inside the vehicle main body 1. hydrant pit 3
It is possible to refuel the aircraft 5 from there.

Reference numeral 8 denotes a working elevator deck provided on the upper surface of the vehicle body 1, which can be raised and lowered to a height that allows work on the lower surface of the wing body 6 of the aircraft 5. A foldable protective wall 9, instruments such as a flow meter (not shown), a lifting device 10, a lifting means 11 for workers, etc. are provided, and during refueling work, the protective wall 9 is erected and the work is carried out. The elevator deck 8 is raised to a possible height, and the worker uses the elevating means 11 to board the elevator deck 8 and perform work.

What is indicated by reference numeral 12 is a stop position detection light projecting means made of a convergent light, which projects light upward so as to illuminate the lower surface of the wing body 6 of the aircraft 5. In this embodiment, the light point of the light projecting means 12 is set to be located at the access door 14 on the lower surface of the wing body 6 when the refueling vehicle is stopped at the correct position for refueling. The light projecting means 12 can be provided on the upper surface of the elevator deck 8, but it is necessary to take into account the raising and lowering of the power supply or cords as the elevator deck 8 goes up and down. It is mounted on the front and is set to emit light at a slight angle backwards from the vertical direction.

13 is a viewing mirror, and the light projecting means 12
The lower surface of the wing body 6 of the aircraft 5 illuminated by the light beam is made visible from the driver's seat of the vehicle.

In addition to the above, this vehicle is also equipped with a pressure reducing device, a refueling filter separator for checking moisture in the fuel, a flow meter, a pressure gauge, a shock absorber, etc. Instruments such as the above are installed on the elevator deck 8 so that they can be visually observed.

The aircraft refueling vehicle according to the present invention as described above projects light upward by the light projecting means 12 to illuminate the lower surface of the wing body 6 of the aircraft 5 with the light spot. The driving vehicle moves the vehicle while confirming this using the viewing mirror 13, and stops the vehicle when the light spot of the light projecting means 12 is located at the access door 14 on the lower surface of the wing body 6. In this case, the light projecting means 12 is installed in front of the elevator deck 8 and projects light slightly backward from the vertical direction, so that the light spot is directed toward the access door 1.
4, the elevator deck 8 is set directly below the access door 14.

As described above, according to the aircraft refueling vehicle according to the present invention, the driver can check the light spot on the lower surface of the wing body 6 illuminated by the light projection means 12 through the viewing mirror 13 while sitting in the driver's seat. By moving the vehicle while moving the vehicle, it becomes possible to stop the vehicle at an appropriate refueling position, save manpower, and direct the light point of the light projecting means 12 to a predetermined position on the lower surface of the wing body 6. By matching this, the stopping position of the refueling vehicle can be made accurate.

Incidentally, in the above embodiment, a mirror is used as a viewing means for visually recognizing the light spot of the light projecting means 12 that is irradiated onto the lower surface of the wing body 6, but instead of this mirror, a television camera and its image receiving device are used. As such, any visual recognition means may be used as long as the lower surface of the wing body 6 of the aircraft 5 can be visually recognized from the driver's seat of the refueling vehicle.

[Effect of idea]

As described above, according to the aircraft refueling vehicle according to the present invention, while checking the position of the light spot of the stop position detection light projecting means from the driver's seat using the visual confirmation means, the light spot is positioned at a predetermined position on the lower surface of the wing body of the aircraft. By simply moving the vehicle in the same direction, the refueling vehicle can be easily and reliably stopped at an appropriate position for refueling work, and the driver vehicle can perform the work alone. Because it can be done, there is no need to allocate extra workers, and problems such as ensuring worker safety and personnel costs can be resolved.

[Brief explanation of the drawing]

FIGS. 1 and 2 are explanatory perspective views showing one embodiment of an aircraft refueling vehicle according to the present invention, and FIG. 3 is an explanatory side view of the aircraft refueling vehicle. 1...Aircraft refueling vehicle body, 2...Refueling hose, 3...Hydrant pit, 4...Refueling hose, 5...Aircraft, 6...Wing body, 7...Refueling port, 8... Elevator deck, 9...protective wall, 1
0... Lifting means, 11... Lifting means for workers, 1
2... Light projecting means, 13... Viewing mirror, 14...
...access door.

Claims (1)

[Claims for Utility Model Registration] 1. A method having at least a refueling hose and a working elevator deck, and using the working elevator to connect a hydrant pit provided on the ground of an airport and an aircraft refueling port. In the aircraft refueling vehicle connected by the refueling hose for refueling, the lower surface of the wing body of the aircraft is irradiated, and when the vehicle is in an appropriate position for refueling work, the vehicle is irradiated at a predetermined position on the lower surface of the aircraft wing body. A light projecting means for detecting a stop position having convergence and configured such that a light spot is located; and a visual confirmation means that allows the position of the light spot of the light projecting means that illuminates the lower surface of the wing body to be visually recognized from the driver's seat. Aircraft refueling vehicle. 2. An aircraft refueling vehicle according to claim 1, which utilizes a mirror as a visual recognition means. 3. The aircraft refueling vehicle according to claim 1, which utilizes a television camera and a television receiver as visual recognition means.