CN216930354U - Microwave defroster for railway - Google Patents

Abstract

The utility model discloses a microwave deicing device for railways, which comprises a magnetron, a translation motor, a rotating motor, a microwave power supply, an infrared temperature measuring device and a slide rail platform, wherein two guide rails are horizontally arranged on the slide rail platform at intervals; two support plates are vertically arranged on the mobile platform at intervals, a rotating shaft is horizontally arranged at the upper part of each support plate, a driven bevel gear is coaxially arranged at one end of the rotating shaft, and the rotating motor drives the rotating shaft to rotate for a certain angle through a bevel gear pair; the rotating shaft is fixedly provided with a horn antenna, the horn mouth of the horn antenna is sealed by a mica sheet, a magnetron is arranged in the horn antenna, microwaves generated by the magnetron are directionally emitted out through the horn antenna to heat and melt ice on a frozen part, and one side part of the horn antenna is provided with the infrared temperature measuring device through a supporting plate.

Description

Microwave defroster for railway

Technical Field

The utility model relates to a deicing device for a tunnel vault icing area and a railway turnout junction icing area in winter, in particular to a railway microwave deicing device which is suitable for railway line deicing operation.

Background

At present, the operation mileage of the railway in China reaches more than 14.6 kilometers, the railway route is spread over the vast territory of China, along with the increase of the railway operation mileage and the increase of the operation years, the problem of water leakage diseases of railway tunnels also occurs, in many icing areas, the water leakage positions of the vault of the tunnel at the temperature of below 0 ℃ can be frozen to form icicles, which causes huge safety threat to the running of trains, and meanwhile, the railway turnout controller is frozen at the turnout position, so that the turnout controller cannot work, sometimes the train line changing failure is caused, the train operation efficiency is greatly influenced, and the ice hazard problem is a problem to be solved urgently. In order to solve the problem of ice damage, related department organizes workers to carry out deicing work on tunnels and tracks in the icing period, the manpower investment is large, meanwhile, the safety of workers is difficult to guarantee, the train and the falling ice cubes all endanger the personal safety of deicing operators, and part of tunnel vault ice cubes are stubborn, and the manpower cannot be handled cleanly.

Disclosure of Invention

In order to overcome the defects of the traditional manual operation deicing method, the utility model aims to provide the microwave deicing device for the railway, which can automatically heat and deice after being installed, thereby ensuring the operation safety of a train.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a microwave deicing device for railways comprises a magnetron generating microwaves, a translation motor, a rotating motor, a microwave power supply, an infrared temperature measuring device, a temperature processing control module and a slide rail platform, wherein two guide rails are horizontally arranged on the slide rail platform at intervals, a moving platform is arranged on each guide rail, the translation motor, the microwave power supply and the temperature processing control module are arranged on the moving platform, and the translation motor drives the moving platform to slide along the guide rails; two support plates are vertically arranged on the mobile platform at intervals, a rotating shaft is horizontally arranged at the upper part of each support plate, a driven bevel gear is coaxially arranged at one end of the rotating shaft, the rotating motor is arranged on one support plate, and the rotating motor drives the rotating shaft to rotate for a certain angle through a bevel gear pair; the rotary shaft is fixedly provided with a horn antenna, the opening end of the horn antenna is in a horn mouth shape, the horn mouth is closed through a mica sheet, the magnetron is arranged in the horn antenna, the magnetron generates microwaves, the microwaves are directionally emitted out through the horn antenna to heat and melt ice on a frozen part, one side part of the horn antenna is arranged through the supporting plate, the infrared temperature measuring device is connected with the rotary motor through the temperature processing control module, and the microwave power supply is connected with the magnetron.

The microwave power supply is connected with a railway power supply circuit, the microwave power supply is responsible for supplying power to a magnetron, the magnetron generates microwaves, the horn antenna directionally radiates the microwaves to a heating region, the infrared temperature measuring device measures the temperature of the heating region, the heating time of the control region is long, the deicing quality is ensured, the rotating motor controls the magnetron, the direction of the horn antenna and the infrared temperature measuring device is changed, the microwave is selected as a heating source, the microwave heating is selective heating, only ice is rapidly heated in the heating process, the iron track and the tunnel concrete lining are not heated, the strong phenomenon of thermal expansion and cold contraction is avoided, the smoothness of the track is ensured, and the phenomenon of water leakage is prevented from being aggravated by concrete cold-hot circulation. The infrared temperature measuring device measures the temperature of the heating area, the temperature processing control module controls the rotation of the horn antenna by rotating the motor after processing the measured temperature signal, and the principle of temperature measurement post-processing is as follows: and if the temperature of the test area does not appear at 95 ℃, and the extreme difference of the temperature of the test area is not more than 20 ℃, controlling the rotating motor to rotate, and carrying out heating deicing operation in another area.

The utility model has the advantages that the manual deicing operation mode can be replaced, the deicing operation can be finished efficiently and in high quality, the manpower investment is saved, and the train operation safety is ensured.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a side view AA in FIG. 1;

FIG. 3 is a schematic illustration of a tunnel vault de-icing operation;

fig. 4 is a schematic diagram of a rail switch deicing operation.

Detailed Description

With reference to the schematic diagrams of the devices shown in fig. 1 and 2, the microwave deicing device for the railway comprises a magnetron 11 for generating microwaves, a translation motor 16, a rotating motor 5, a microwave power supply 14, an infrared temperature measuring device 7, a temperature processing control module 4 and a slide rail platform 1, wherein two guide rails 2 are horizontally arranged on the slide rail platform 1 at intervals, a moving platform 3 is arranged on the guide rails 2, the translation motor 16, the microwave power supply 14 and the temperature processing control module 4 are arranged on the moving platform 3, and the translation motor 16 drives the moving platform 3 to slide along the guide rails; two support plates 13 are vertically arranged on the mobile platform 3 at intervals, a rotating shaft 12 is horizontally arranged at the upper part of each support plate 13, a driven bevel gear 6 is coaxially arranged at one end of each rotating shaft 12, the rotating motor 5 is arranged on one support plate 13, and the rotating motor 5 drives the rotating shaft 12 to rotate for a certain angle through a bevel gear pair; in order to effectively control the rotation angle of the rotating shaft 12, the rotating motor 5 is a stepping motor. A horn antenna 9 is fixedly arranged on the rotating shaft 12, the opening end of the horn antenna 9 is in a horn mouth shape, the horn mouth is closed through a mica sheet 10, the magnetron 11 is arranged in the horn antenna 9, and microwaves generated by the magnetron 11 are directionally emitted out through the horn antenna 9 to heat and melt ice on a frozen part. The infrared temperature measuring device 7 is arranged at one side part of the horn antenna 9 through the auxiliary supporting plate 8, the infrared temperature measuring device 7 is connected with the rotating motor 5 through the temperature processing control module 4, and the microwave power supply 14 is connected with the magnetron 11.

Two ends of the rotating shaft of the translation motor 16 are respectively provided with a concave wheel 15, and the translation motor 16 drives the concave wheels 15 to roll along the guide rail 2, so as to drive the moving platform 3 to move horizontally. This is merely an example of a structure, and other structures may be adopted to drive the moving platform 3 to move horizontally, such as driving the moving platform 3 to move horizontally by a translation motor through a ball screw, or driving the moving platform 3 to move horizontally by a translation motor through a rack-and-pinion structure, and these structural modifications are all within the scope of the present invention.

Can guarantee upper portion device lateral shifting through moving platform 3, increase deicing operation area, install mica sheet 10 on horn antenna 9, prevent that the water that melts from falling into and damaging magnetron 11 in horn antenna 9, magnetron 11 is connected with microwave power supply 14, infrared temperature measuring device 7 is connected with temperature processing control module 4, temperature processing control module 4 then rotates motor 5 according to the temperature information control of heating region, order about horn antenna 9 rotatory certain angle, the control selects the heating region.

When the utility model works: fig. 3, when the tunnel vault is heated for deicing, the deicing device platform is suspended in the vault deicing area, and a power supply is switched on to heat and eliminate the vault ice column. And 4, when the rail turnout area is deiced, the deicing device platform is erected on the turnout without influencing the train running area, and the rail is heated and eliminated.

Claims (1)

1. The utility model provides a microwave defroster for railway, is including the magnetron, the translation motor, the rotation motor, the microwave power, infrared temperature measuring device, temperature processing control module and the slide rail platform that produce the microwave, characterized by: two guide rails are horizontally arranged on the sliding rail platform at intervals, a moving platform is arranged on the guide rails, the translation motor, the microwave power supply and the temperature processing control module are arranged on the moving platform, and the translation motor drives the moving platform to slide along the guide rails; two support plates are vertically arranged on the mobile platform at intervals, a rotating shaft is horizontally arranged at the upper part of each support plate, a driven bevel gear is coaxially arranged at one end of the rotating shaft, the rotating motor is arranged on one support plate, and the rotating motor drives the rotating shaft to rotate for a certain angle through a bevel gear pair; the rotary shaft is fixedly provided with a horn antenna, the opening end of the horn antenna is in a horn mouth shape, the horn mouth is closed through a mica sheet, the magnetron is arranged in the horn antenna, the magnetron generates microwaves, the microwaves are directionally emitted out through the horn antenna to heat and melt ice on a frozen part, one side part of the horn antenna is arranged through the supporting plate, the infrared temperature measuring device is connected with the rotary motor through the temperature processing control module, and the microwave power supply is connected with the magnetron.

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