CN219483052U - Antifreezing device and engineering vehicle - Google Patents

Abstract

The application provides an antifreezing device and an engineering truck, which are used for a magnetic levitation railway, wherein the antifreezing device comprises a liquid supply unit, a gas supply unit, a control unit and at least one spraying unit; the liquid supply unit is internally provided with antifreeze, the liquid outlet of the liquid supply unit is communicated with the liquid inlet of the control unit, the liquid outlet of the control unit is communicated with the liquid inlet of the spraying unit, the gas outlet of the gas supply unit is communicated with the gas inlet of the spraying unit, and the liquid supply unit and the gas supply unit are electrically connected with the control unit; the spraying unit is provided with a plurality of outlets, the liquid inlet and the air inlet of the spraying unit are both communicated with the outlets, and the outlets are respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway. According to the anti-freezing device, the anti-freezing solution is sprayed on the surface of the magnetic levitation railway, the effects of preventing freezing and deicing are achieved, the influence of an ice layer on traction, braking and power supply of a train is avoided, and the running safety of the magnetic levitation railway can be effectively improved.

Description

Antifreezing device and engineering vehicle

Technical Field

The application relates to the technical field of magnetic levitation railways, in particular to an antifreezing device and an engineering truck.

Background

The magnetic levitation railway is a railway system which depends on magnetic force to suspend a vehicle on a guide rail and drives the train to advance by using a linear motor. Under ice and snow weather, the F-shaped rail surface and the power supply rail surface of the magnetic levitation railway are both covered with ice layers, and the ice layers can cause various accidents such as poor power supply contact and the like, so that the traction, braking safety and efficiency of the train are affected, and the operation safety of the magnetic levitation railway is seriously affected.

In the related art, the method of removing ice and snow includes manual, mechanical, chemical and hot melt methods. The labor intensity of manual deicing and snow removing is high, and the working efficiency is low; the mechanical deicing and snow removing method is to directly apply acting force on ice and snow, which is easy to damage an object and has poor effect on ice layers exceeding a certain thickness; the chemical deicing method utilizes chemical agent spreading to promote snow to melt, but the chemical agent spreading is difficult, the deicing effect is insufficient when the spreading range is too small, and environmental pollution is easy to be caused when the spreading range is too large; the hot melt deicing method is to blow high-temperature compressed air or embed a heating pipeline to melt ice and snow on the object, and has the advantages of high energy consumption, high cost and certain potential safety hazard.

However, the deicing method has certain limitations in practical application, and is difficult to meet the deicing requirement of the magnetic levitation railway, so that the operation safety of the magnetic levitation railway is difficult to ensure.

Disclosure of Invention

The application provides an antifreezing device and an engineering truck, which are used for solving the problems that the deicing method has certain limitations, can not meet the deicing requirement of the increasingly-growing lines of the magnetic levitation railway, and cause the operation safety of the magnetic levitation railway to be difficult to guarantee.

In one aspect, the present application provides an anti-freeze apparatus for a magnetic levitation railway, the anti-freeze apparatus comprising a liquid supply unit, a gas supply unit, a control unit, and at least one spray unit;

the liquid supply unit is internally provided with antifreeze, the liquid outlet of the liquid supply unit is communicated with the liquid inlet of the control unit, the liquid outlet of the control unit is communicated with the liquid inlet of the spraying unit, the gas outlet of the gas supply unit is communicated with the gas inlet of the spraying unit, and the gas supply unit is electrically connected with the control unit;

the spraying unit is provided with a plurality of outlets, the liquid inlet and the air inlet of the spraying unit are both communicated with the outlets, and the outlets are used for being respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway.

According to the anti-freezing device, the anti-freezing solution is sprayed on the surface of the magnetic levitation railway, the freezing point of the anti-freezing solution is far less than 0 ℃, the freezing point of water can be reduced after the anti-freezing solution contacts with water molecules on the surface of the magnetic levitation railway, so that formed ice layers are melted, the effects of anti-freezing and deicing are achieved, the influence of the ice layers on the traction, braking and power supply of a train is avoided, and the running safety of the magnetic levitation railway can be effectively improved. Specifically, the anti-freezing device comprises a liquid supply unit, a gas supply unit, a control unit and at least one spraying unit, wherein anti-freezing liquid is arranged in the liquid supply unit, a liquid outlet of the liquid supply unit is communicated with a liquid inlet of the control unit, a liquid outlet of the control unit is communicated with a liquid inlet of the spraying unit, so that the anti-freezing liquid sequentially flows to the spraying unit through the liquid supply unit and the control unit, and the control unit can control the liquid supply; the air outlet of the air supply unit is communicated with the air inlet of the spraying unit so as to convey air to the spraying unit, the air supply unit is electrically connected with the control unit, and the control unit can control air supply; the spraying unit is provided with a plurality of outlets, the liquid inlet and the air inlet of the spraying unit are communicated with the outlets, gas and liquid are sprayed out of the outlets after being mixed by the spraying unit, and the outlets are respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway so as to spray antifreeze for the magnetic levitation track and the power supply track, prevent the surface of the track from icing, and avoid influencing functions of traction, braking, power supply and the like of a train.

In one possible implementation, the spraying unit comprises a main pipe, an extension pipe, a first spray head and at least one second spray head;

the liquid inlet of the spraying unit comprises a liquid inlet of the main pipe, and the air inlet of the spraying unit comprises an air inlet of the main pipe;

the second shower nozzle and extension pipe all communicate in the main pipe, and first shower nozzle communicates in the extension pipe, and a plurality of exports of spraying unit include the export of first shower nozzle and the export of second shower nozzle, and first shower nozzle is used for being close to the power supply track setting, and the second shower nozzle is used for being close to the setting of magnetic levitation track.

In one possible implementation manner, at least one second spray head is two, and the two second spray heads are arranged at intervals and are respectively close to the sensing surface and the braking surface of the magnetic levitation track.

In one possible implementation, the spraying unit further comprises a lifting rail and a pipe clamp, one end of the lifting rail is connected to the bottom of the loading platform, the other end of the lifting rail extends towards the ground, and the main pipe is connected to the lifting rail through the pipe clamp.

In one possible implementation, the liquid supply unit includes a liquid supply tank and a mounting bracket;

the liquid supply box is internally provided with antifreeze, the liquid outlet of the liquid supply unit is the liquid outlet of the liquid supply box, the liquid inlet of the liquid supply unit is the liquid inlet of the liquid supply box, one side of the mounting bracket is connected with the liquid supply box, and the other side of the mounting bracket is connected with the loading platform.

In one possible implementation, the liquid supply tank is provided with a cleaning opening and a liquid discharge port, the cleaning opening is covered with a cover plate, the liquid discharge port is positioned at the bottom of the liquid supply tank, and the liquid discharge port is provided with a normally closed valve.

In one possible implementation, the control unit includes a mounting bracket assembly, a liquid pump, a control cabinet, and a solenoid valve;

the liquid pump and the control cabinet are installed on the loading platform through the installation frame assembly, the liquid inlet and the liquid outlet of the control unit are respectively the liquid inlet and the liquid outlet of the liquid pump, the electromagnetic valve is arranged at the liquid outlet of the liquid pump, and the control cabinet is electrically connected with the electromagnetic valve.

In one possible implementation, the control unit further includes a flow meter, the flow meter is disposed at a liquid outlet of the liquid pump and electrically connected to the control cabinet, and a frequency converter is disposed in the control cabinet and electrically connected to the liquid pump.

In one possible implementation, the mounting frame assembly comprises a first mounting frame and a second mounting frame, the liquid pump is arranged on the first mounting frame, the control cabinet is arranged on the second mounting frame, the first mounting frame is connected with the second mounting frame, and at least one of the first mounting frame and the second mounting frame is connected with the loading platform.

On the other hand, the application also provides an engineering vehicle, which comprises a vehicle body, the antifreezing device provided by any implementation mode and a plurality of wheels;

the plurality of wheels are arranged on the bottom side of the vehicle body, the anti-freezing device is arranged on the vehicle body, and a spraying unit of the anti-freezing device is positioned on one side of the plurality of wheels, which is separated from the plurality of wheels, along the length direction of the vehicle body.

According to the engineering truck, the antifreeze is sprayed on the surface of the magnetic levitation railway, the freezing point of the antifreeze is far less than 0 ℃, the freezing point of water can be reduced after the antifreeze contacts with water molecules on the surface of the magnetic levitation railway, so that formed ice layers are melted, the effects of preventing freezing and deicing are achieved, the influence of the ice layers on the traction, braking and power supply of a train is avoided, and the running safety of the magnetic levitation railway can be effectively improved. Specifically, the engineering vehicle comprises a vehicle body, an antifreezing device and a plurality of wheels, wherein the wheels are arranged on the bottom side of the vehicle body, the antifreezing device is arranged on the vehicle body, and a spraying unit of the antifreezing device is positioned on one side of the wheels, which is separated from each other, along the length direction of the vehicle body, so that the wheels are prevented from influencing the spraying of antifreezing solution. The anti-freezing device comprises a liquid supply unit, a gas supply unit, a control unit and at least one spraying unit, wherein anti-freezing liquid is arranged in the liquid supply unit, a liquid outlet of the liquid supply unit is communicated with a liquid inlet of the control unit, a liquid outlet of the control unit is communicated with a liquid inlet of the spraying unit, so that the anti-freezing liquid sequentially flows to the spraying unit through the liquid supply unit and the control unit, and the control unit can control the liquid supply; the air outlet of the air supply unit is communicated with the air inlet of the spraying unit so as to convey air to the spraying unit, the air supply unit is electrically connected with the control unit, and the control unit can control air supply; the spraying unit is provided with a plurality of outlets, the liquid inlet and the air inlet of the spraying unit are communicated with the outlets, gas and liquid are sprayed out of the outlets after being mixed by the spraying unit, and the outlets are respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway so as to spray antifreeze for the magnetic levitation track and the power supply track, prevent the surface of the track from icing, and avoid influencing functions of traction, braking, power supply and the like of a train.

The construction of the present application, as well as other objects and advantages thereof, will be more readily understood from the description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

The foregoing and other objects, features and advantages of embodiments of the present application will become more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Embodiments of the present application will now be described, by way of example and not limitation, in the figures of the accompanying drawings, in which:

fig. 1 is a schematic diagram of an engineering truck provided in an embodiment of the present application;

FIG. 2 is a schematic view of the liquid supply unit of FIG. 1;

FIG. 3 is a bottom side view of FIG. 2;

FIG. 4 is a schematic diagram of the control unit of FIG. 1;

FIG. 5 is a schematic view of the spray unit of FIG. 1;

fig. 6 is a schematic diagram of a positional relationship between a spraying unit and a magnetic levitation railway according to an embodiment of the present application.

Reference numerals:

100-anti-freezing device; 110-a liquid supply unit; 111-a liquid supply tank; 1111-cover plate; 1112-liquid discharge port; 1113-liquid feed inlet; 1114—a liquid supply outlet; 1115—a respiratory valve port; 112-mounting a bracket; 113-a stabilizing scaffold; 114-level gauge; 120-an air supply unit; 130-a control unit; 131-a mounting bracket assembly; 1311-a first mount; 1311 a-a via; 1312-a second mount; 132-a liquid pump; 133-a control cabinet; 140-a spraying unit; 141-a main pipe; 1411-spray inlet; 1412-air inlet; 142-extension tube; 143-first spray head; 144-a second spray head; 145-lifting guide rail; 146-pipe clamp;

200-engineering vehicle; 210-a vehicle body; 220-wheels;

300-magnetic levitation railway; 310-magnetic levitation tracks; 311-sensing surface; 312-braking surface; 320-power supply tracks; 321-power rail surface; 330-support columns; 331-sleeper face.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.

The magnetic levitation railway is a railway system which depends on magnetic force to suspend a vehicle on a guide rail and drives the train to advance by utilizing a linear motor, and comprises a magnetic levitation track and a power supply track, wherein the section of the magnetic levitation track is generally in an F shape, and the magnetic levitation track is also called an F track and is a basic member for bearing levitation force, guiding force and traction force of the magnetic levitation vehicle; the power supply track is used for supplying power to the train.

In recent years, the development of railways in China is rapid, the total mileage of electrified railways is rapidly increased, and the magnetic levitation track is used as novel energy-saving and environment-friendly track traffic equipment, and the mileage is rapidly increased. Under ice and snow weather, the F-shaped rail surface and the power supply rail surface of the magnetic levitation railway are both covered with ice layers, and the ice layers can cause various accidents such as poor power supply contact and the like, so that the traction, braking safety and efficiency of the train are affected, and the operation safety of the magnetic levitation railway is seriously affected.

In the related art, the method of removing ice and snow includes manual, mechanical, chemical and hot melt methods. The labor intensity of manual deicing and snow removing is high, and the working efficiency is low; the mechanical deicing and snow removing method is to directly apply acting force on ice and snow, which is easy to damage an object and has poor effect on ice layers exceeding a certain thickness; the chemical deicing method utilizes chemical agent spreading to promote snow to melt, but the chemical agent spreading is difficult, the deicing effect is insufficient when the spreading range is too small, and environmental pollution is easy to be caused when the spreading range is too large; the hot melt deicing method is to blow high-temperature compressed air or embed a heating pipeline to melt ice and snow on the object, and has the advantages of high energy consumption, high cost and certain potential safety hazard.

The magnetic levitation railway has the following characteristics: the track is formed by different metal materials (such as aluminum alloy, steel and the like), the metal heat conduction performance is good, the temperature of the rail surface is lower than the temperature of the ground, so that an ice layer is thicker, the shape of each part of the track is irregular, each part of the rail surface is not on the same plane, and the deicing difficulty is increased.

However, the deicing method has certain limitations in practical application, has high deicing difficulty and poor effect, even damages the track, and can not meet the deicing requirement of the increasingly-growing lines of the magnetic levitation railway, so that the operation safety of the magnetic levitation railway is difficult to ensure.

In view of this, this embodiment of the application provides an antifreezing device and machineshop car, through spraying the antifreeze on the magnetic levitation railway surface, make the ice layer that has formed melt, reach freeze prevention and deicing and reach the effect, thereby avoid the ice layer to influence the traction of train, braking and power supply, can effectively improve the security of magnetic levitation railway operation, and, freeze-proofing device's spraying unit has a plurality of exports, a plurality of exports are close to the magnetic levitation track and the power supply track setting of magnetic levitation railway respectively, so as to spray the antifreeze for magnetic levitation track and power supply track, prevent that magnetic levitation track and power supply track surface from freezing, in order to avoid influencing functions such as traction, braking and the power supply of train.

The antifreeze device and the engineering truck provided by the embodiment of the application will be described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of an engineering truck provided in an embodiment of the present application. As shown in fig. 1, the embodiment of the application provides an engineering truck 200 for a magnetic levitation railway, where the engineering truck 200 includes a truck body 210, an anti-freezing device 100 and a plurality of wheels 220, the wheels 220 are disposed on the bottom side of the truck body 210, and the anti-freezing device 100 is disposed on the truck body 210, so that the engineering truck 200 can run along a track to perform anti-freezing and deicing operations.

It should be understood that the structure illustrated in fig. 1 does not constitute a specific limitation on the engineering truck 200. In other embodiments of the present application, the work vehicle 200 may have other functions in addition to the anti-icing and de-icing functions, i.e., the work vehicle 200 may include more or less components than illustrated, or certain components may be combined, certain components may be split, or different arrangements of components. For example, the engineering truck 200 may be further provided with a sensor and an analysis device, where the sensor may collect data of the track and the catenary, and the analysis device may analyze the obtained data and report a place where maintenance is required (for example, the rail needs to be polished or replaced, the track bed is uneven and needs to be trimmed, the catenary tension is not enough to be adjusted, and the catenary wear is seriously required to be replaced), so that maintenance personnel can perform maintenance.

The antifreeze device 100 provided in the embodiment of the application includes a liquid supply unit 110, a gas supply unit 120, a control unit 130 and at least one spraying unit 140, wherein antifreeze is arranged in the liquid supply unit 110, the freezing point of the antifreeze is far less than 0 ℃, the antifreeze can lower the freezing point of water after contacting with water molecules on the surface of a magnetic levitation railway, the formed ice layer is melted, a liquid outlet of the liquid supply unit 110 is communicated with a liquid inlet of the control unit 130, a liquid outlet of the control unit 130 is communicated with a liquid inlet of the spraying unit 140, so that the antifreeze flows to the spraying unit 140 sequentially through the liquid supply unit 110 and the control unit 130, and the control unit 130 can control the liquid supply of the antifreeze device 100; the gas outlet of the gas supply unit 120 is connected to the gas inlet 1412 of the spraying unit 140 to supply gas to the spraying unit 140, the gas supply unit 120 is electrically connected to the control unit 130, and the control unit 130 can control the gas supply of the anti-freezing apparatus 100.

The spraying unit 140 has a plurality of outlets, the liquid inlet and the air inlet 1412 of the spraying unit 140 are all communicated with the outlets, gas and liquid are sprayed out from the outlets after the spraying unit 140 is mixed, and the outlets are used for being respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway so as to spray antifreeze solution for the magnetic levitation track and the power supply track, prevent the surface of the track from icing, and avoid influencing functions of traction, braking, power supply and the like of a train.

As shown in fig. 1, the spraying unit 140 of the anti-freezing apparatus 100 may be located at a side of the vehicle body 210 where the plurality of wheels 220 are separated, i.e., at a side of the vehicle facing outward, so that the spraying unit 140 may spray the anti-freezing liquid after the wheels 220 are completely driven, so as to prevent the wheels 220 from being pressed against the anti-freezing liquid, and to prevent the anti-freezing liquid from being uniformly distributed, thereby ensuring the anti-freezing and anti-icing effect.

Specifically, the number of the spraying units 140 may be four, the four spraying units 140 are distributed at four corners of the engineering truck 200, the spraying units 140 at two ends of the engineering truck 200 may be controlled to be turned on separately, and when the other end needs to be turned on, the power supply at the local end is turned off, and meanwhile, the other end needs to be turned on. In operation, a certain end is given a start signal, the power supply of the control unit 130 and the power supply of the air supply unit 120 are turned on together, the antifreeze and the compressed air are mixed at the spray head through the spray liquid inlet 1411 and the air inlet 1412, and the atomized antifreeze is sprayed out through the spray nozzle. It should be noted that, the antifreeze device 100 provided in this embodiment may be mounted not only on the engineering truck 200, but also on other vehicles such as passenger trains and freight trains, or the antifreeze device 100 may be mounted on vehicles having only a carrying function, so as to form an antifreeze vehicle dedicated to spraying antifreeze solution, and the specific loading platform of the antifreeze device 100 is not limited in this embodiment.

Fig. 2 is a schematic view of the liquid supply unit in fig. 1. As shown in fig. 2, the liquid supply unit 110 may include a liquid supply tank 111 and a mounting bracket 112, wherein an antifreeze liquid is disposed in the liquid supply tank 111, a liquid outlet of the liquid supply unit 110 is a liquid outlet of the liquid supply tank 111 (abbreviated as a liquid supply liquid outlet 1114), a liquid inlet of the liquid supply unit 110 is a liquid inlet of the liquid supply tank 111 (abbreviated as a liquid supply liquid inlet 1113), one side of the mounting bracket 112 is connected to the liquid supply tank 111, and the other side of the mounting bracket 112 is connected to a loading platform such as the engineering truck 200, so as to mount the liquid supply tank 111 to the loading platform.

Fig. 3 is a bottom side view of fig. 2. As shown in fig. 2 and 3, the liquid supply outlet 1114 may be disposed at the bottom of the liquid supply tank 111, so that the antifreeze flows out of the liquid supply outlet 1114 under the action of gravity, and in order to control the liquid supply, a valve may be disposed at the liquid supply outlet 1114, and before the antifreeze apparatus 100 is started each time, the valve of the liquid supply outlet 1114 must be opened, so that the antifreeze subsequently enters the control unit 130 and the spraying unit 140; feed inlet 1113 may be adapted to be connected to an external liquid pump for adding antifreeze to feed tank 111.

In order to make the antifreeze fluid smoothly flow out of the liquid supply outlet 1114, the top of the liquid supply tank 111 may be further provided with a respiration valve port 1115, and when the liquid supply outlet 1114 discharges liquid, the respiration valve port 1115 may intake air to balance the internal and external pressure of the liquid supply tank 111, so as to avoid the antifreeze fluid from being influenced by the internal and external pressure difference and failing to flow out.

In addition, the liquid supply unit 110 may further include a stabilizing support 113, one side of the stabilizing support 113 is connected to the liquid supply tank 111, the other side of the stabilizing support 113 is connected to a loading platform such as the engineering truck 200, and the stabilizing support 113 and the mounting support 112 are arranged at intervals, so as to improve stability of the liquid supply tank 111, avoid shaking of the water tank, and shake out of antifreeze. Specifically, the mounting bracket 112 may be disposed at the bottom of the liquid supply tank 111, and the stabilizing bracket 113 may be disposed at the top of the liquid supply tank 111.

Illustratively, the liquid supply tank 111 may be provided with a cleaning opening and a liquid outlet 1112, the cleaning opening is covered with a cover plate 1111, which can shield foreign matters when the cover plate 1111 is closed, and after the cover plate 1111 is opened, the cleaning opening can extend into the cleaning tool, so as to clean the inside of the liquid supply tank 111, and ensure the cleaning and effectiveness of the antifreeze. The liquid outlet 1112 is located the bottom of the liquid feed tank 111, and the liquid outlet 1112 is provided with normally closed valve, and the liquid outlet 1112 is in the state of closing at ordinary times, and after cleaning the liquid feed tank 111, can open the normally closed valve cap to directly discharge waste water through the liquid outlet 1112.

In practice, a level gauge 114 may be provided on the liquid supply tank 111 to monitor how much antifreeze is being filled when the antifreeze is being filled. Before the antifreeze device 100 is started, antifreeze liquid needs to be filled into the liquid supply tank 111 in advance, so that the antifreeze liquid in the liquid supply tank 111 is ensured to be sufficient.

In some embodiments, the air supply unit 120 may include at least one air pump, for example, three or five air outlets, and the air outlet of the air supply unit 120 is an air outlet of the air pump, and the air pump is used to deliver the air to the spraying unit 140, and the anti-freezing liquid may be sprayed to the outside after the air is mixed with the anti-freezing liquid. The air pump may be electrically connected to the control unit 130 so that the control unit 130 controls the flow rate of the gas supplied from the gas supply unit 120.

Fig. 4 is a schematic diagram of the control unit of fig. 1. As shown in fig. 4, the control unit 130 may include a mounting frame assembly 131, a liquid pump 132, a control cabinet 133 and an electromagnetic valve, where the liquid pump 132 and the control cabinet 133 are mounted on a loading platform such as the engineering truck 200 through the mounting frame assembly 131, the liquid inlet and the liquid outlet of the control unit 130 are respectively a liquid inlet and a liquid outlet of the liquid pump 132, the electromagnetic valve is disposed at the liquid outlet of the liquid pump 132, and the control cabinet 133 is electrically connected to the electromagnetic valve so as to control the flow of the liquid outlet of the liquid pump 132.

Illustratively, the control unit 130 may further include a flow meter disposed at a liquid outlet of the liquid pump 132 and electrically connected to the control cabinet 133, so as to transmit the monitored flow to the control cabinet 133, and the control cabinet 133 may be provided therein with a frequency converter, a switch, a cable, and the like, where the frequency converter is electrically connected to the liquid pump through the cable to control an operating frequency of the liquid pump, thereby adjusting a spraying frequency and controlling a spraying flow.

As shown in fig. 4, the mounting frame assembly 131 may include a first mounting frame 1311 and a second mounting frame 1312, the liquid pump 132 may be disposed on the first mounting frame 1311, the control cabinet 133 may be disposed on the second mounting frame 1312, the first mounting frame 1311 and the second mounting frame 1312 are connected, and at least one of the first mounting frame 1311 and the second mounting frame 1312 is connected to a loading platform such as the engineering truck 200, so that the weight of a single mounting frame may be reduced, and the handling and the installation of workers may be facilitated.

Specifically, the first mounting frame 1311 may be a lower mounting frame, the bottom of which may be connected to the loading platform through a fixing member such as a bolt, and the first mounting frame 1311 may be provided with two through-line holes 1311a so that a pipeline passes through the through-line holes 1311a to communicate with a liquid inlet and a liquid outlet of the liquid pump 132, and the second mounting frame 1312 may be an upper mounting frame, the bottom of which may be connected to the top of the first mounting frame 1311 through a fixing member such as a bolt.

Fig. 5 is a schematic diagram of the spraying unit in fig. 1, and fig. 6 is a schematic diagram of a positional relationship between the spraying unit and a magnetic levitation railway according to an embodiment of the present application. As shown in fig. 5 and 6, the spraying unit 140 may include a main pipe 141, an extension pipe 142, a first spray head 143, and at least one second spray head 144, wherein the liquid inlet of the spraying unit 140 includes a liquid inlet of the main pipe (simply referred to as a spraying liquid inlet 1411), the air inlet of the spraying unit 140 includes an air inlet 1412 of the main pipe, both the second spray head 144 and the extension pipe 142 are communicated with the main pipe 141, the first spray head 143 is communicated with the extension pipe 142, and the plurality of outlets of the spraying unit 140 include outlets of the first spray head 143 and outlets of the second spray head 144.

The magnetic levitation railway 300 may include a magnetic levitation track 310, a power supply track 320 and a support column 330, wherein the magnetic levitation track 310 is disposed on a top surface of the support column 330, the top surface is a sleeper surface 331, the power supply track 320 is disposed on a side surface of the support column 330, the first spray head 143 is disposed near a power supply track surface 321 of the power supply track 320, and the second spray head 144 is disposed near an upper surface of the magnetic levitation track 310 so as to spray antifreeze solution to the magnetic levitation track 310 and the power supply track 320, thereby preventing the track surface from icing to avoid influencing functions such as traction, braking and power supply of a train.

For example, the spraying inlet 1411 and the air inlet 1412 may be threaded, the spraying inlet 1411 is directly connected to a pipe from the control unit 130, the air inlet 1412 is directly connected to a pipe from the air supply unit 120, the antifreeze and the compressed air (with a certain pressure) are mixed at the first spray head 143 or the second spray head 144 through the spraying inlet 1411 and the air inlet 1412 respectively by the control unit 130, the atomized antifreeze is sprayed through the spray heads, the spray area of the atomized antifreeze is increased and the spray is more uniform, and the sprayed antifreeze can be uniformly covered on the track surface, so as to achieve a good antifreeze and deicing effect.

Illustratively, the main and extension pipes 141 and 142 may be metal pipes such as stainless steel pipes, which are rigid pipes that can withstand the large pressure of the compressed air, and which are easily shaped to the desired configuration to guide the spray head to the desired location.

In practical application, when the cross section of the magnetic levitation track 310 is of the F type, the at least one second spray head 144 may be two, the two second spray heads 144 are arranged at intervals, and the two second spray heads 144 are respectively close to the sensing surface 311 and the braking surface 312 of the magnetic levitation track 310, so as to ensure that the anti-freezing solution after spraying can cover the sensing surface 311 and the braking surface 312, avoid influencing the traction and braking functions of the train, and avoid wasting the anti-freezing solution and environmental pollution caused by overlarge spraying range.

Or, the number of the second spray heads 144 may be three, so as to spray the sleeper surface 331 of the support column 330, so that the situation that the spraying range of the two spray heads is too small to spray the sleeper surface 331 is avoided, the second spray heads 144 can be set according to the actual situation, and the spraying range is ensured to at least cover the sensing surface 311 and the braking surface 312 of the magnetic levitation track 310, which is not limited in this embodiment.

Illustratively, the spraying unit 140 may further include a lifting rail 145 and a pipe clamp 146, one end of the lifting rail 145 is connected to the bottom of the loading platform, the other end of the lifting rail 145 extends toward the ground, and the main pipe 141 is connected to the lifting rail 145 through the pipe clamp 146, so that the spraying unit 140 can be adjusted in height according to the actual condition of the construction site, and the adaptation of the anti-freezing apparatus 100 is enhanced.

In the description of the present application, it should be understood that the terms "length," "upper," "lower," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less in horizontal height than the second feature.

In the description of the present specification, reference to the term "embodiment" or "example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An antifreezing device for a magnetic levitation railway is characterized by comprising a liquid supply unit, a gas supply unit, a control unit and at least one spraying unit;

the liquid supply unit is internally provided with antifreeze, a liquid outlet of the liquid supply unit is communicated with a liquid inlet of the control unit, a liquid outlet of the control unit is communicated with a liquid inlet of the spraying unit, a gas outlet of the gas supply unit is communicated with a gas inlet of the spraying unit, and the gas supply unit is electrically connected with the control unit;

the spraying unit is provided with a plurality of outlets, the liquid inlet and the air inlet of the spraying unit are both communicated with the outlets, and the outlets are used for being respectively close to the magnetic levitation track and the power supply track of the magnetic levitation railway.

2. The antifreeze apparatus of claim 1, wherein said spray unit comprises a main pipe, an extension pipe, a first spray head, and at least one second spray head;

the liquid inlet of the spraying unit comprises the liquid inlet of the main pipe, and the air inlet of the spraying unit comprises the air inlet of the main pipe;

the second spray head and the extension pipe are both communicated with the main pipe, the first spray head is communicated with the extension pipe, a plurality of outlets of the spraying unit comprise outlets of the first spray head and outlets of the second spray head, the first spray head is used for being close to the power supply track, and the second spray head is used for being close to the magnetic levitation track.

3. The antifreeze of claim 2, wherein said at least one second spray head is two, said two second spray heads are spaced apart and positioned adjacent to said sensing surface and said braking surface of said magnetic levitation track, respectively.

4. The freeze-protection device according to claim 2, wherein the spray unit further comprises a lifting rail and a pipe clamp, one end of the lifting rail being connected to the bottom of the loading platform, the other end of the lifting rail extending towards the ground, the main pipe being connected to the lifting rail by the pipe clamp.

5. The antifreeze arrangement of any of claims 1-4, wherein the fluid supply unit includes a fluid supply tank and a mounting bracket;

the anti-freezing liquid is arranged in the liquid supply box, the liquid outlet of the liquid supply unit is the liquid outlet of the liquid supply box, the liquid inlet of the liquid supply unit is the liquid inlet of the liquid supply box, one side of the mounting bracket is connected with the liquid supply box, and the other side of the mounting bracket is connected with the loading platform.

6. The antifreeze of claim 5, wherein said fluid supply tank is provided with a clean opening covered with a cover plate and a drain port positioned at the bottom of said fluid supply tank, said drain port being provided with a normally closed valve.

7. The antifreeze arrangement of any of claims 1-4, wherein the control unit includes a mounting bracket assembly, a liquid pump, a control cabinet, and a solenoid valve;

the liquid pump with the switch board passes through the mounting bracket subassembly and installs in loading platform, the inlet and the liquid outlet of control unit are respectively the inlet and the liquid outlet of liquid pump, the solenoid valve set up in the liquid outlet of liquid pump, the switch board electricity connect in the solenoid valve.

8. The antifreeze apparatus of claim 7, wherein said control unit further comprises a flow meter disposed at a fluid outlet of said fluid pump and electrically connected to said control cabinet, said control cabinet having a frequency converter disposed therein, said frequency converter electrically connected to said fluid pump.

9. The antifreeze apparatus of claim 7, wherein said mounting assembly comprises a first mounting and a second mounting, said liquid pump is disposed in said first mounting, said control cabinet is disposed in said second mounting, said first mounting and said second mounting are connected, and at least one of said first mounting and said second mounting is connected to said load platform.

10. An engineering vehicle comprising a vehicle body, an antifreeze device as claimed in any one of claims 1 to 9, and a plurality of wheels;

the wheels are arranged on the bottom side of the vehicle body, the anti-freezing device is arranged on the vehicle body, and a spraying unit of the anti-freezing device is located on one side, away from the wheels, of the vehicle body along the length direction of the vehicle body.