RU2303097C2 - Device for ice removal from road and aerodrome coverings - Google Patents

Abstract

FIELD: removing snow or ice from roads or like surfaces with the use of heat.

SUBSTANCE: device comprises frame with microwave energy emitter, electric generator and working tool made as spur-bearing rollers installed on the frame. The rollers are composed of separate sections installed on common shaft and connected thereto through metal discs. Each section is made as resilient bush with metal bush put on resilient one and provided with spurs. Each roller has hydraulic drive to provide roller rotation in opposite directions.

EFFECT: decreased specific power inputs, increased efficiency and cleaning operation quality.

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Description

The invention relates to a device for winter cleaning of roads and airfields.

A device for removing ice and coastline from pavements containing a chassis on which a frame is installed (AS 1500713 USSR, IPC 4 E01H 5/10, 5/12, publ. 1989). A thermal emitter, an ultrasonic vibrations emitter and an electric spark emitter, as well as a brush and a suction device with a hopper are mounted on the frame.

However, the device is ineffective due to the fact that with a significant thickness of icing, the brush will not be able to clean it even after heating, and heating even with partial melting requires an increased consumption of thermal energy.

A device for removing ice from road surfaces containing a base chassis on which the casing is mounted (AS 1643657 USSR, IPC 4 E01H 5/10, publ. 1991). Under the casing are placed cutting discs with cutting tools on the side surfaces of the discs. Behind the cutting discs, a knife is attached to the casing. Ahead along the way are destroying disks in several rows.

However, the device at low ambient temperatures is ineffective due to the fact that adhesion between the ice layer and the road surface is not eliminated, and thus cleaning can not be ensured due to only the mechanical method of exposure.

Closest to the claimed solution is a machine for cleaning ice from aerodrome and road surfaces (A.S. 1664957, IPC 5 Е01Н 5/12, publ. 1991), containing a radiator and an electric pulse arrester located behind it in the direction of travel, including electrodes and an electromagnetic transducer located beneath it. The reason that impedes the achievement of the required technical result of the known machine is that it does not contain an effective means for mechanical cleaning prepared for ice cleaning with a copy of the surface being cleaned.

The problem to which the claimed technical solution is directed is to create a machine that ensures the cleaning process of a cleaned road surface in accordance with the necessary requirements.

When implementing the invention, the task is solved by achieving a technical result, which consists in increasing the efficiency, reliability and quality of the surface cleaning process and reducing specific energy consumption.

The specified technical result is achieved in that a device for cleaning ice from road and airfield coatings, containing a frame on which a radiator is connected in series along the direction of travel, connected to the electric generator through a microwave generator, a working body in the form of spur rollers. A feature is that these spur rollers are made of separate sections mounted on a single shaft through metal disks. Each section is an elastic sleeve worn on it with a metal sleeve having spurs. Moreover, each of these spur rollers has a hydraulic motor to enable rotation of the rollers towards each other. Improving the efficiency is achieved by replacing the process of melting the ice mass by the crumbling process with spur rollers with sharp spurs made of hard alloys that are more suitable for this operation, and improving the quality is achieved due to the flexible suspension of each section on calibrated elastic rubber bushings, allowing the rollers to copy the irregularities of the surface being cleaned without damaging her.

Figure 1 presents the device, side view; figure 2 is a longitudinal section of a spur roller; figure 3 is a longitudinal section of a section of the spur roller.

A device for cleaning ice from road and airfield coatings (Fig. 1) contains a self-propelled scraper chassis 1 on which an electric generator with an internal combustion engine 2 and a fuel tank 3 are installed. A microwave energy generator 4 is connected to the electric generator 4. Behind the drive wheels 5 of the self-propelled scraper chassis 1, a microwave energy emitter 6 is installed on the hydraulic cylinders 7 and 8. A microwave energy emitter 6 is mounted on a trolley 9 with four support wheels 10. Next, two spur rollers are installed on the hydraulic cylinders 11 and 12: the first 13 and the second 14. Around the rollers 13 and 14, removable combs 15 and 16 are installed. At the end of the machine, a conveyor 17 is installed using the hydraulic cylinders 18. A brush 20 is mounted behind the wheels of the second bridge 19 in the direction of the ice cleaning device using the hydraulic cylinders 21 and 22.

Spur rollers 13 and 14 (figure 2) to provide more uniform pressure on the cleaned surface of the road surface is made of separate sections 23 mounted on metal bushings with spurs 24 fixed on them (figure 3), and installed (figure 2) with using the shaft 25 through elastic rubber bushings 26 made of rubber material through spacer steel disks 27. The springing system consists of elastic rubber bushings, eliminating damage to the cleaned surface and the corresponding deformation, providing possible Copying roughness of the road surface. In addition, the rotation of the spur rollers towards each other by means of two hydraulic motors of the right and left rotation (not shown) is provided.

A device for removing ice from road and airfield coatings works as follows.

First, the main internal combustion engine of the scraper is launched, and then the internal combustion engine with the generator 2 includes a microwave energy generator 4 mounted on the chassis 1 together with a microwave energy emitter 4 (with a power of about 180 kW) behind the drive wheels 5 using hydraulic cylinders 7 and 8. A microwave energy emitter 6, the energy flow is directed to the ice surface of the road surface in strips (provided by the design of the emitter) with a direction parallel to the movement of the device (in the direction indicated by arrow V). The directed energy raises the temperature of the ice mass to the state of melting and loss of adhesion to the road surface. In the weakened state and with loss of adhesion with the road surface, ice falls under the spur rollers 13 and 14 with a system of spring-loaded disks with spurs 24. The spring-loaded system of the spur disks consists in mounting them on the roller shaft through elastic rubber bushings, eliminating damage to the surface being cleaned and allowing copying unevenness of the road surface while maintaining the pressure exerted on the surface being cleaned to the extent possible without breaking. Rollers with disks 13 and 14 with spurs 24 made of hard alloys rotate towards one another. Moreover, the first skating rink 13 crumbles, and together with the first skating rink 13, the second skating rink 13 lifts the crushed ice mass upwards, where it is removed by combs 15 and 16 and enters the conveyor 17, the height of which is regulated by the hydraulic cylinder 18. The removed snow mass is unloaded from the conveyor in the back of a dump truck. Additional cleaning of the removed coating is carried out with a brush 20.

The use of a device for cleaning ice from road and airfield coatings allows you to:

- to increase the cleanliness of the road surface due to the disappearance of adhesion during heating of the ice mass before melting;

- increase the efficiency of the process of removing ice from the road and airfield coatings by replacing the thawing process with the process of heating to melting and loss of adhesion, followed by chipping and crumbling;

- to improve the quality of the road surface being cleaned due to the flexible suspension of each section on elastic calibrated rubber bushings, which allows the rollers to copy the surface being cleaned without damaging it;

- the strip heating system allows to reduce the specific energy consumption and increase the efficiency of the process of preparing the ice ice on the road and airfield pavement for chipping and crumbling.

Claims (1)

A device for cleaning ice from road and airfield coatings, containing a frame on which a radiator is connected in series along the direction of travel, connected to an electric generator through a microwave generator, a working body in the form of spur rollers, characterized in that said spur rollers are made of separate sections installed on a single shaft through metal disks, each section is an elastic sleeve with a metal sleeve fitted on it having spurs, each of these spur rollers having a hydraulic motor To enable rotation of rollers toward each other.

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