JPH06264422A - Method and device for eliminating airport runway-attached rubber - Google Patents

Abstract

PURPOSE:To save water and enhance work efficiency by installing a spray pump and a suction blower driven with vehicle drive power to a garbage truck and spraying high pressure water and separating rubber fused on the surface of a road and sucking up spray water into a water separation tank and feeding the water separated from the rubber in circulation mode. CONSTITUTION:Rubber or the like fused on the surface of a road is separated from the surface with high pressure water sprayed from a spray nozzle 24 installed in a hood 16 while the spray water with the rubber or the like is sucked up into a vacuum collector 40. Then, only water is supplied to a supply tank 50 from the vacuum collector 40 and the spray water is circulated and used. A high pressure pump 28 and a suction blower 52 are driven with the power (diesel engine) of a garbage truck. This construction makes it possible to use water more efficiently and clean the road more effectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for removing rubber attached to an airport runway, and more particularly to a method and apparatus for removing rubber fused to an aircraft touchdown area on an airport runway.

[0002]

2. Description of the Related Art An airport runway is provided with a large number of grooves in the direction perpendicular to the running direction over the entire road surface so that the running distance can be shortened by giving running resistance when the airplane takes off and landing. This groove is a 6mm square groove 3c
It is formed by a cutter on the runway surface at pitch intervals of about m. As a result, slip resistance with the wheels is increased when the airplane takes off and landing, and safe take-off and landing is performed.

By the way, when the airplane touches down on the runway when the airplane lands, the wheel rubber melts in the touchdown area, and this melts in the groove of the runway, and in this area. There is a problem that the sliding resistance is significantly reduced. For this reason, it is necessary to regularly clean and remove the rubber adhering to the runway, and conventionally, this work has been performed during the night and other times when an airplane does not fly.

A conventional method of this type of work is to illuminate a cleaning area with an illumination vehicle, and use a tank of a water tank vehicle as a water supply source to extend a nozzle truck from a high-pressure water pump through a hose. Is manually moved by one worker, and the rubber adhering to the road surface is peeled off by high pressure water. Then, a worker different from this sucks and removes the mixed liquid of water and peeling rubber spread on the road surface by a suction device.

[0005]

However, in the conventional working method, a large amount of water is required to inject high-pressure water for rubber separation, but the water supply port is not installed on the runway. Therefore, the water tank vehicle has a drawback that it must be repeatedly transported to the work area by piston transportation. In addition, the runway is not provided with a power source or a supply source of industrial water, so that the illumination vehicle, the water tank, and the like are indispensable devices, and the work efficiency is very poor as a whole. Further, the number of workers engaged in the work is inefficient because it requires a large number of workers such as nozzle workers, suction workers, assistants, supervisors, and water tank vehicle drivers. It was a problem.

Focusing on the above-mentioned conventional problems, the present invention can significantly reduce the work load in the middle of the night, and in particular, it is possible to greatly improve workability and work processing capacity by recycling water. An object of the present invention is to provide a method and an apparatus for removing rubber attached to an airport runway.

[0007]

In order to achieve the above object, the method of removing rubber adhered to an airport runway according to the present invention comprises jetting jet water toward a road surface of an airport runway by a high-pressure water jet jet unit. The rubber mixed water on the road surface is sucked by the subsequent suction vacuum while peeling off the attached rubber.
The rubber separation water obtained by supplying this to a water separator is circulated and supplied to the water tank of the high-pressure water jet injection unit.

Further, the airport runway adhesion rubber removing device according to the present invention is equipped with a high-pressure water jet nozzle that is vertically movable in a hood that is connected to a traveling vehicle and surrounds a certain area of the road surface of the airport runway. A unit, and a vacuum mouth following the unit that is capable of sucking water on the road surface injected from the injection unit.On the traveling vehicle side, a water separator and separated water are provided in the suction path from the vacuum mouth. And a water tank that stores water, and forms a water circulation closed circuit leading to the high-pressure water injection nozzle, and the water circulation closed circuit is provided with suction means and a high-pressure water supply pump driven by vehicle power. It is configured.

[0009]

According to the above construction, the traveling vehicle ejects the high-pressure water jet nozzle toward the runway surface to peel off the adhered rubber. The vacuum mouth following the nozzle sucks the continuously jetted water together with the peeling rubber, and this is supplied to the water separator to separate the rubber and the water. Then, the separated water is circulated to the water tank mounted on the vehicle and is reused for high-pressure water injection. Therefore, the water for injection circulates in the closed circuit, so that it hardly disappears, and it suffices to refill the tank after a while. Further, since the nozzle and the vacuum mouse are connected to the vehicle, as a working vehicle, in principle, only the driving vehicle of the vehicle is sufficient. Therefore, the work efficiency can be greatly improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the method and apparatus for removing rubber attached to an airport runway according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a block diagram of a device for removing rubber attached to an airport runway according to an embodiment, and FIG. 2 shows an overall perspective view of the removing device. The attached rubber removing device includes an injection unit 12 for injecting high-pressure water toward the runway surface 10 to remove the rubber attached to the runway surface 10, and a vacuum mouth 14 attached to the injection unit 12. There is.

The injection unit 12 is opened toward the runway surface 10 and surrounds the road surface 10 within a certain range.
Equipped inside. A skirt 18 made of a rubber material is attached to the lower edge of the hood 16 to prevent water jetted from the nozzle from leaking to the outside. The injection unit 12 attached to the inside of the hood 16 has a nozzle pipe 20 rotatably inserted from the center of the top plate of the hood 16, and branches the nozzle pipe 20 horizontally in the hood 15. A plurality of injection ports 24 directed to the road surface 10 are provided in the horizontal portion to supply the high pressure water supplied to the road surface 10.
It is designed to be sprayed on. The nozzle pipe 20 can be rotatably driven by a motor 26 installed above the hood 16, so that the injection port 24 horizontally rotates and injects high-pressure water onto the road surface 10. The nozzle pipe 20 is provided with a rotary joint 27 so that water can be supplied from the high-pressure water pump 28 in a state where the injection port 24 is circularly moved.

A vacuum mouth 14 is provided at the rear of the injection unit 12 and has a negative pressure chamber 30 formed at the rear of the hood 16 and slightly wider than the hood 16. . As a result, the mixed water of the water jetted from the jetting unit 20 in the previous stage and the rubber separated from the road surface 10 is introduced into the negative pressure chamber 30 and is fed to the vacuum collector described later by negative pressure suction.

The injection unit 12 and the vacuum mouth 14 are integrated into a unit, and are attached to and supported by the front portion of the traveling vehicle 32 as shown in FIG. That is, the injection / suction unit 34 is supported on the vehicle 32 by a hoisting lever 36 and is attached so as to be vertically movable, and is lowered to the road surface 10 when used and pulled upward when not used.

The running vehicle 34 has the vacuum mouse 3
2 is equipped with a suction device portion of rubber mixed water sent from a suction hose 38, and first, the mixed water is introduced into a vacuum collector 40 as a water separator. The vacuum collector 40 is composed of a tank container as shown in FIG. 1, and the inside thereof is divided into two chambers by a wire net or a separation plate 42 having a large number of holes perforated. The suction hose 3
8 is opened in one of the separation chambers, and a stopper plate 44 is attached to the opened chamber so as to face the hose outlet so that the sucked mixed water collides with the stopper plate 44. As a result, the mixed water is dropped downward, and the release rubber or the like mixed in the water is deposited. Separation plate 42
Separated water from which the release rubber and the like have been removed is stored in the other chamber partitioned by, but a water pump 46 is provided in order to use this for high-pressure injection, and a water pipe connected to the pump outlet. The water is supplied to the water tank 50 by 48. In order to introduce a negative suction pressure to the vacuum mouse 32, a suction blower 5 is provided downstream of the vacuum collector 40.
Two are provided. This blower 52 and the collector 4
Between 0, a cyclone 54 for removing dust in the suctioned air that has passed through the separation plate 42, and a water filter 5
A dust catcher 58 consisting of 6 is provided. With this, air is introduced into the blower 52 in a cleaned state. Further, in the latter stage of the suction blower 52, a cleaning process is performed via the final stage filter 59 and finally the exhaust pipe 6
It is released from 0 to the atmosphere.

Along with such a suction device, the separated water from which the peeling rubber has been removed by the vacuum collector 40 is fed to the water tank 50 by the water pump 46 as described above. It is mounted on the traveling vehicle 32. Therefore, the high-pressure water pump 2 is provided in the water supply path between the water tank 50 and the injection unit 12 described above.
8 is arranged and this is also mounted on the vehicle 32. A strainer 62 is provided at a water supply port to the high-pressure water pump 28 to remove foreign matters mixed in, and the filtered water is supplied to the high-pressure water pump 28 adjacent to the tank 50 via a water supply pipe 64. From 28, a pressure pipe 66 is connected to a rotary joint 27 in the injection unit 12 at the front of the vehicle.

Here, the high-pressure water pump 28 of the above-mentioned equipment
Each driving means such as the suction blower 52 and the suction blower 52 is driven by the diesel engine 68 of the traveling vehicle as a power source. An example of this configuration is shown in FIG. FIG. 3 shows a drive device driven by a belt drive system, and a power take-off shaft 72 in a mission portion 70 of a vehicle engine 68.
And a high pressure water pump 28 and a rotation input shaft of the suction blower 52 are wound around a rotation transmission belt 74 to generate an injection pressure and a suction force by the engine output. Further, FIG. 4 shows a structure in which power is obtained from the engine 68 by hydraulic drive. A hydraulic pump 76 is connected to the power take-out shaft 72 of the mission unit 70 to generate a desired hydraulic pressure, and the high-pressure water pump 28 and the suction unit are suctioned. The hydraulic motor 78 provided at the input part of the blower 52 is driven. By adopting these methods, the power source can be obtained from the vehicle 32.

Wheels 80 are attached to the injection / suction unit 34 connected to the vehicle 32 so that the nozzle height and suction surface are constant while enabling traveling.

The adhered rubber removing device for an airport runway having such a structure is used as follows. The vehicle 32 is moved to the touchdown area of the runway, and the injection / suction unit 34 is lowered onto the road surface 10. A part of the output of the engine 68 is switched to the power take-off shaft 72 side and each drive device is started. As a result, the high-pressure water pump 28, the suction blower 52, etc. are activated, and the work can be started. In this state, the rubber adhered to the road surface 10 is peeled and removed while the vehicle 32 slowly moves on the runway surface 10. The water sucked from the water tank 50 by the high-pressure water pump 28 is supplied to the rotary joint 2
It is pressure-fed to the injection unit 12 via 7. The nozzle pipe 20 is rotated by the motor 26 and therefore the jet 2
4 sprays high-pressure water toward the road surface 10 while performing circular motion. This injection pressure is set to a pressure sufficient to peel off the adhered rubber from the road surface 10, but is set to, for example, about 350 kgf / cm ² . Such water injection is performed in the hood 16, and the water spray does not scatter on the road surface 10. The vacuum mouth 14 is provided subsequent to the spray separation, and the mixed water of the sprayed water and the separated rubber is collected at the rear portion of the hood 16 and acts on the negative pressure chamber -500 to 70.
The suction negative pressure of about 0 mmHg is sent to the vacuum collector 40 mounted on the vehicle 32 under pressure. The vacuum collector 40 separates the peeled rubber, and the separated water is circulated and supplied to the water tank 50 by the water pump 46.
The sucked air from the vacuum mouse 14 is discharged to the atmosphere by the exhaust pipe 60 after the floating dust is removed by the catcher 58 arranged at the subsequent stage of the vacuum collector 40. On the other hand, the separated water from the vacuum collector 40 is returned to the water tank 50 as described above, and is used again as the water for injection from the injection unit 12 by the high-pressure water pump 28.

According to such an embodiment, the airport runway 1
The wheel rubber is welded and the rubber adhered to the road surface 10 is removed when the airplane is set to 0, and the work for removing the rubber can be performed only by traveling the traveling vehicle 32 of the embodiment. The water required for the rubber peeling work by the water jet is collected and circulated and supplied to the water tank 50. Therefore, the water tank truck can be repeatedly piston-transported to replenish the water. It becomes unnecessary, and the water may be replenished when the water level in the water tank 50 decreases. Moreover, the rubber removing work by this device can be realized at least by only the driver of the vehicle 32. Therefore, the number of workers can be extremely reduced, and the work efficiency of removing the adhered rubber from the runway can be greatly improved. It is possible to improve.

[0021]

As described above, according to the present invention,
An injection unit equipped with a high-pressure water injection nozzle that is mounted in a hood that is connected to a traveling vehicle and encloses a certain range of the road surface of an airport runway so that it can be moved up and down, and water on the road surface that is subsequently injected from the injection unit A suction mouth vacuum mouth, and a water circulation closed circuit leading to the high-pressure water jet nozzle on the traveling vehicle side having a water separator in the suction path from the vacuum mouth and a water tank for storing separated water. And a device equipped with a suction means driven by vehicle power and a pump for supplying high-pressure water to the water circulation closed circuit, which causes the wheel rubber to adhere to the road surface of the airport runway during aircraft landing. The rubber peeling work requires a large amount of water due to the closed circuit circulation method of water, while at the same time, it is possible to process jet peeling and suction work at the same time, and work load at midnight. It can be significantly reduced, an excellent effect that the workability and the working capacity can be greatly improved is obtained.

[Brief description of drawings]

FIG. 1 is a block configuration diagram of an attached rubber removing device according to an embodiment.

FIG. 2 is a perspective view showing the overall configuration of the same device.

FIG. 3 is a block diagram showing a power system of the device.

FIG. 4 is a block diagram showing another power system of the device.

[Explanation of symbols]

 10 Runway Surface 12 Injection Unit 14 Vacuum Mouth 16 Hood 18 Skirt 20 Nozzle Pipe 24 Injection Port 26 Motor 27 Rotary Joint 28 High Pressure Water Pump 30 Negative Pressure Chamber 32 Running Vehicle 34 Injection Suction Unit 36 Elevating Lever 38 Suction Hose 40 Vacuum Collector 42 Separation Plate 44 Stopper plate 46 Water pump 48 Water pipe 50 Water tank 52 Suction blower 54 Cyclone 56 Water filter 58 Dust catcher 59 Final filter 60 Exhaust pipe 62 Strainer 64 Water supply pipe 66 Pressure pipe 68 Diesel engine 70 Mission part 72 Power extraction shaft 74 Rotation transmission belt 76 Hydraulic pump 78 Hydraulic motor

Claims (2)

[Claims] 1. A high-pressure water jet jet unit jets jet water toward the road surface of an airport runway to peel off adhering rubber while sucking rubber-mixed water on the road surface by a suction vacuum that follows, and separating this. A method for removing rubber attached to an airport runway, characterized in that the rubber separation water supplied to the vessel is circulated and supplied to the water tank of the high-pressure water jet injection unit. 2. An injection unit equipped with a high-pressure water injection nozzle mounted in a hood that is connected to a traveling vehicle and surrounds a certain range of the road surface of an airport runway so as to be able to move up and down, and is subsequently injected from the injection unit. A high pressure water jet nozzle having a vacuum mouse capable of sucking water on a road surface, and having a water separator and a water tank for storing the separated water in a suction path from the vacuum mouse on the traveling vehicle side. An apparatus for removing rubber attached to an airport runway, characterized by forming a water circulation closed circuit up to and including suction means driven by using vehicle power and a high-pressure water supply pump.