Rail transit vehicle track surface dehumidification and cleaning device

Abstract

An embodiment of the present application provides a rail transit vehicle track surface dehumidification and cleaning device, comprising: a heating chamber disposed at the bottom of the vehicle, a heating air supply pipe connected to the heating chamber, a controllable air intake valve for opening and closing the heating air supply pipe, and an integrated controller electrically connected to the controllable air intake valve; the heating chamber is disposed in front of the vehicle's wheel travel direction, a heating wire is disposed within the heating chamber for heating the high-pressure air supply flowing in from the heating air supply pipe, a controllable nozzle for opening and closing the heating chamber is disposed at the bottom of the heating chamber, facing the track surface, the controllable nozzle being electrically connected to the integrated controller; one end of the heating air supply pipe is connected to the heating chamber, and the other end of the heating air supply pipe faces the direction of travel of the vehicle's wheels. This application can effectively improve wheel-rail adhesion to ensure braking or traction effectiveness of rail transit vehicles when traveling on wet tracks.

Description

Technical Field

[0001] The present application relates to the field of rail transit vehicle braking and traction equipment, and in particular to a rail transit vehicle track surface dehumidification and cleaning device. Background Art

[0002] Wheel-rail adhesion measures the ability to transmit tangential forces between the wheel and rail during rolling contact, directly impacting traction, braking, and operational safety. Adhesion is primarily influenced by factors such as train speed, slip ratio, wheel-rail contact pressure, and environmental conditions. The primary cause of reduced adhesion is natural contamination, such as water, dust, oil, and leaves. In particular, a mixture of fallen autumn leaves and a small amount of water can result in extremely low wheel-rail adhesion. Reduced adhesion can lead to idling or sliding during train operation, and in severe cases, damage to the wheels and rails, compromising operational safety.

[0003] In the existing technology, the mainstream solution to improve wheel-rail adhesion performance is the sand spreading device. However, the sand spreading device has a complex structure, has a high risk of failure, and has high sand quality requirements, resulting in high operation and maintenance costs.

[0004] Therefore, the inventors, relying on their many years of experience and practice in related industries, have proposed a rail surface dehumidification and cleaning device for rail transit vehicles to overcome the defects of the prior art. Summary of the Invention

[0005] In response to the problems in the prior art, the present application provides a rail surface dehumidification and cleaning device for a rail transit vehicle, which can effectively improve the wheel-rail adhesion performance to ensure the braking or traction effect of the rail transit vehicle when traveling on wet tracks.

[0006] To solve at least one of the above technical problems, this application provides the following technical solutions:

[0007] In a first aspect, the present application provides a rail transit vehicle track surface dehumidification and cleaning device, comprising: a heating chamber disposed at the bottom of the vehicle, a heating air supply pipe disposed in communication with the heating chamber, a controllable air intake valve for opening and closing the heating air supply pipe, and an integrated controller electrically connected to the controllable air intake valve;

[0008] The heating chamber is arranged in front of the direction of travel of the wheels of the vehicle, and a heating wire is provided in the heating chamber for heating the high-pressure air supply flowing in from the heating air supply pipe. A controllable nozzle for opening and closing the heating chamber is provided at the bottom of the heating chamber facing the track surface, and the controllable nozzle is electrically connected to the integrated controller;

[0009] One end of the heating air supply pipe is communicated with the heating chamber, and the other end of the heating air supply pipe faces the traveling direction of the wheels of the vehicle.

[0010] Furthermore, it also includes a heating controller arranged in the vehicle, and the heating controller is connected to the heating wire and the integrated controller.

[0011] Furthermore, it also includes a heating chamber temperature sensor arranged in the heating chamber for detecting the real-time temperature of the high-pressure air supply, and the heating chamber temperature sensor is electrically connected to the integrated controller through the heating controller.

[0012] Furthermore, it also includes a heating chamber pressure sensor arranged in the heating chamber for detecting the real-time pressure of the high-pressure air supply, and the heating chamber pressure sensor is electrically connected to the integrated controller through the heating controller.

[0013] Furthermore, it also includes a front heating chamber arranged at the bottom of the vehicle, the front heating chamber is arranged in front of the heating chamber in the direction of travel of the vehicle's wheels, and the front heating chamber is connected to the heating chamber through the heating air supply pipe.

[0014] Furthermore, the front heating chamber is also connected to a front heating air supply duct facing the direction of travel of the wheels of the vehicle.

[0015] Furthermore, a pre-heating electric heating wire is provided in the pre-heating chamber for heating the high-pressure air supply flowing in from the pre-heating air supply pipe.

[0016] Furthermore, it also includes a front heating controller arranged in the vehicle, and the front heating controller is connected to the front heating wire and the integrated controller.

[0017] Furthermore, it also includes a preheating chamber temperature sensor arranged in the preheating chamber for detecting the real-time temperature of the high-pressure air supply, and the preheating chamber temperature sensor is electrically connected to the integrated controller through the preheating controller.

[0018] Furthermore, it also includes a pre-heating chamber pressure sensor arranged in the pre-heating chamber for detecting the real-time pressure of the high-pressure air supply, and the pre-heating chamber pressure sensor is electrically connected to the integrated controller through the pre-heating controller.

[0019] Furthermore, the pre-heating air supply pipe is provided with a pre-controllable air intake valve for opening and closing the pre-heating air supply pipe, and the pre-controllable air intake valve is electrically connected to the integrated controller.

[0020] It can be seen from the above technical solution that the present application provides a rail transit vehicle track surface dehumidification and cleaning device, which dries and cleans the rail surface by high-temperature and high-pressure hot air on the vehicle, and can effectively improve the wheel-rail adhesion performance to ensure the braking or traction effect of the rail transit vehicle when traveling on wet tracks. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 This is a schematic structural diagram of the rail surface dehumidification and cleaning device for rail transit vehicles described in this application.

[0023] [Explanation of symbols]

[0024] 1. Heating air supply pipe

[0025] 2. Vehicles

[0026] 3. Heating chamber

[0027] 4. Heating wire

[0028] 5. Controllable nozzle

[0029] 6. Controllable intake valve

[0030] 7. Heating controller

[0031] 8. Front heating controller

[0032] 9. Front-mounted controllable intake valve

[0033] 10. Front heating air supply duct

[0034] 11. Front heating chamber

[0035] 12. Front heating wire

[0036] 13. Integrated controller

[0037] 14. Preheating chamber temperature sensor

[0038] 15. Preheating chamber pressure sensor

[0039] 16. Heating chamber temperature sensor

[0040] 17. Heating chamber pressure sensor DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0042] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0043] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0044] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0045] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0046] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] Considering that the mainstream solution to improve wheel-rail adhesion performance is a sand spreading device, which has a complex structure, a high risk of failure, and requires high sand quality, resulting in high operation and maintenance costs, in order to effectively improve the wheel-rail adhesion performance to ensure the braking or traction effect of rail transit vehicles when traveling on wet tracks, this application provides an embodiment of a rail transit vehicle track surface dehumidification and cleaning device, see Figure 1 In this embodiment, the rail transit vehicle track surface dehumidification and cleaning device specifically includes: a heating chamber 3 arranged at the bottom of the vehicle 2, a heating air supply pipe 1 connected to the heating chamber 3, a controllable air intake valve 6 for opening and closing the heating air supply pipe 1, and an integrated controller 13 electrically connected to the controllable air intake valve 6.

[0048] Optionally, the dehumidification and cleaning device described in the present application can be installed on a rail transit vehicle 2, such as a train or a tram.

[0049] Optionally, the present application does not specifically limit the material and specific shape of the heating chamber 3, but only limits its setting position and internal accommodation space, that is, it only needs to be set in front of the wheel's driving direction and its interior can accommodate high-pressure air supply.

[0050] Optionally, the controllable intake valve 6 of the present application can be an electronic intake valve that is controlled to open and close by an electrical signal in the prior art. The integrated controller 13 of the present application is used to receive and send various hardware control signals, which is sufficient to be achieved using existing technology. The present application does not improve the logical method within the integrated controller 13, and the improvement points of the present application are not improvements to the logical method of the integrated controller 13.

[0051] The heating chamber 3 is arranged in front of the direction of travel of the wheels of the vehicle 2. A heating wire 4 is provided in the heating chamber 3 for heating the high-pressure air supply flowing in from the heating air supply pipe 1. A controllable nozzle 5 for opening and closing the heating chamber 3 is provided at the bottom of the heating chamber 3 facing the track surface. The controllable nozzle 5 is electrically connected to the integrated controller 13.

[0052] Optionally, the controllable nozzle 5 of the present application can be a nozzle switch in the prior art that is controlled to open and close by an electrical signal. The controllable nozzle 5 of the present application can be electrically connected to the integrated controller 13 to receive the control signal of the integrated controller 13 to perform a switch closing operation. The present application only limits the setting position of the controllable nozzle 5, and sets it at the bottom of the heating chamber 3 facing the track surface, so that the high-pressure air supply (which can also be called high-temperature and high-pressure air supply at this time) heated by the heating wire 4 in the heating chamber 3 is sprayed onto the track surface, thereby achieving the effect of dehumidifying and cleaning the track surface.

[0053] One end of the heating air supply pipe 1 is communicated with the heating chamber 3 , and the other end of the heating air supply pipe 1 faces the direction of travel of the wheels of the vehicle 2 .

[0054] Optionally, the heating air supply pipe 1 can be a through pipe, the other end of the heating air supply pipe 1 faces the direction of travel of the wheels of the vehicle 2, so as to collect the oncoming high-pressure air supply when the vehicle 2 is driving, and one end of the heating air supply pipe 1 is connected to the heating chamber 3, so as to transport the high-pressure air supply into the heating chamber 3.

[0055] As a preferred embodiment, the vehicle further includes a heating controller 7 disposed in the vehicle 2 , wherein the heating controller 7 is connected to the heating wire 4 and the integrated controller 13 .

[0056] As a preferred embodiment, it also includes a heating chamber temperature sensor 16 arranged in the heating chamber 3 for detecting the real-time temperature of the high-pressure air supply and a heating chamber pressure sensor 17 arranged in the heating chamber 3 for detecting the real-time pressure of the high-pressure air supply. The heating chamber temperature sensor 16 and the heating chamber pressure sensor 17 are electrically connected to the integrated controller 13 through the heating controller 7.

[0057] Optionally, the integrated controller 13 communicates with the heating chamber temperature sensor 16 and the heating chamber pressure sensor 17 to sense the temperature and pressure of the high-pressure air supply in the heating chamber 3 in real time, so as to ensure the safety of the equipment in the heating chamber 3 and determine when to send a working signal to the controllable nozzle 5 to perform rail surface dehumidification and cleaning operations.

[0058] As a preferred embodiment, it also includes a front heating chamber 11 arranged at the bottom of the vehicle 2, and the front heating chamber 11 is arranged in front of the heating chamber 3 in the direction of travel of the wheels of the vehicle 2, and the front heating chamber 11 is connected to the heating chamber 3 through the heating air supply pipe 1.

[0059] Optionally, the preheating chamber 11 is configured similarly to the above-mentioned heating chamber 3 , except that the preheating chamber 11 of the present application is not provided with a controllable nozzle 5 , but serves as an auxiliary device for pre-gas heating, gas insulation and gas storage of the heating chamber 3 .

[0060] It can be understood that the pre-heating chamber 11 of the present application can also be called a primary heating chamber, and the heating chamber 3 of the present application can also be called a secondary heating chamber.

[0061] As a preferred embodiment, the front heating chamber 11 is further connected to a front heating air supply pipe 10 facing the direction of travel of the wheels of the vehicle 2 .

[0062] Optionally, the front heating air supply pipe 10 can be a through pipe, the other end of the front heating air supply pipe 10 faces the direction of travel of the wheels of the vehicle 2, so as to collect the oncoming high-pressure air supply when the vehicle 2 is driving, and one end of the front heating air supply pipe 10 is connected to the front heating chamber 11, so as to transport the high-pressure air supply to the front heating chamber 11 for gas heating, gas insulation and gas storage.

[0063] As a preferred embodiment, a pre-heating electric heating wire 12 for heating the high-pressure air supply flowing in from the pre-heating air supply pipe 10 is provided in the pre-heating chamber 11 .

[0064] As a preferred embodiment, the vehicle further includes a front heating controller 8 disposed in the vehicle 2 , and the front heating controller 8 is connected to the front heating wire 12 and the integrated controller 13 .

[0065] As a preferred embodiment, it also includes a pre-heating chamber 11 temperature sensor arranged in the pre-heating chamber 11 for detecting the real-time temperature of the high-pressure air supply. The pre-heating chamber 11 temperature sensor is electrically connected to the integrated controller 13 through the pre-heating controller 8.

[0066] As a preferred embodiment, it also includes a pre-heating chamber 11 pressure sensor arranged in the pre-heating chamber 11 for detecting the real-time pressure of the high-pressure air supply. The pre-heating chamber 11 pressure sensor is electrically connected to the integrated controller 13 through the pre-heating controller 8.

[0067] As a preferred embodiment, the pre-heating air supply pipe 10 is provided with a pre-controllable air intake valve 9 for opening and closing the pre-heating air supply pipe 10 , and the pre-controllable air intake valve 9 is electrically connected to the integrated controller 13 .

[0068] From the above description, it can be seen that the rail surface dehumidification and cleaning device provided by the embodiment of the present application dries and cleans the rail surface by high-temperature and high-pressure hot air on the vehicle, which can effectively improve the wheel-rail adhesion performance to ensure the braking or traction effect of the rail transit vehicle when traveling on wet tracks.

[0069] In another embodiment of the present application, the present application may also provide a working method of a rail transit vehicle track surface dehumidification and cleaning device, specifically:

[0070] Under normal working conditions, the integrated controller 13 controls the controllable air intake valve 6 and the front controllable air intake valve 9 to cooperate in opening and closing, and the high-pressure air supply of the train enters the primary heating and insulation chamber (i.e., the front heating chamber 11) through the primary heating air supply pipe (i.e., the front heating air supply pipe 10). The primary heating controller (i.e., the front heating controller 8) collects the data of the primary heating chamber temperature sensor (i.e., the front heating chamber temperature sensor 14) and the primary heating chamber pressure sensor (i.e., the front heating chamber pressure sensor 15), and controls the primary heating heating wire (i.e., the front heating heating wire 12) to heat, forming high-temperature and high-pressure air stored in the primary heating and insulation chamber (i.e., the front heating chamber 11). When dehumidification and cleaning of the rail surface is required, the integrated controller 13 controls the controllable air intake valve 6 and the front controllable air intake valve 9 to cooperate in opening and closing, and the high-temperature and high-pressure air in the primary heating and insulation chamber (i.e., the front heating chamber 11) flows through the secondary heating air supply pipe (i.e., the heating air supply pipe 1) into the secondary heating chamber (i.e., the heating chamber 3). The secondary heating controller (i.e., the heating controller 7) collects data from the secondary heating chamber temperature sensor (i.e., the heating chamber temperature sensor 16) and the secondary heating chamber pressure sensor (i.e., the heating chamber pressure sensor 17), controls the secondary heating heating wire (i.e., the heating heating wire 4) to perform secondary heating, and controls the controllable nozzle 5 through the integrated controller 13 to spray the high-temperature and high-pressure air onto the rail surface at high speed, thereby completing the rail surface dehumidification and cleaning work.

[0071] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A rail transit vehicle track surface dehumidification and cleaning device, characterized in that: include: A heating chamber disposed at the bottom of the vehicle, a heating air supply pipe disposed in communication with the heating chamber, a controllable air intake valve for opening and closing the heating air supply pipe, an integrated controller electrically connected to the controllable air intake valve, and a heating controller disposed within the vehicle; The heating chamber is arranged in front of the direction of travel of the wheels of the vehicle, and a heating wire is provided in the heating chamber for heating the high-pressure air supply flowing in from the heating air supply pipe. A controllable nozzle for opening and closing the heating chamber is provided at the bottom of the heating chamber facing the track surface, and the controllable nozzle is electrically connected to the integrated controller; One end of the heating air supply pipe is connected to the heating chamber, and the other end of the heating air supply pipe faces the direction of travel of the wheels of the vehicle; The rail transit vehicle track surface dehumidification and cleaning device further includes a front heating chamber provided at the bottom of the vehicle, the front heating chamber being provided in front of the heating chamber in the direction of travel of the vehicle wheels, and the front heating chamber being connected to the heating chamber via the heating air supply pipe; The front heating chamber is also connected to a front heating air supply pipe facing the direction of travel of the vehicle's wheels; The front heating air supply pipe is provided with a front controllable air intake valve for opening and closing the front heating air supply pipe, and the front controllable air intake valve is electrically connected to the integrated controller; The heating controller is connected to the heating wire and the integrated controller.

2. The rail transit vehicle track surface dehumidification and cleaning device according to claim 1, characterized in that: It also includes a heating chamber temperature sensor disposed in the heating chamber for detecting the real-time temperature of the high-pressure air supply. The heating chamber temperature sensor is electrically connected to the integrated controller through the heating controller.

3. The rail transit vehicle track surface dehumidification and cleaning device according to claim 1, characterized in that: It also includes a heating chamber pressure sensor arranged in the heating chamber for detecting the real-time pressure of the high-pressure air supply, and the heating chamber pressure sensor is electrically connected to the integrated controller through the heating controller.

4. The rail transit vehicle track surface dehumidification and cleaning device according to claim 1, characterized in that: The preheating chamber is provided with a preheating electric heating wire for heating the high-pressure air supply flowing in from the preheating air supply pipe.

5. The rail transit vehicle track surface dehumidification and cleaning device according to claim 4, characterized in that: It also includes a front heating controller arranged in the vehicle, and the front heating controller is connected to the front heating wire and the integrated controller.

6. The rail transit vehicle track surface dehumidification and cleaning device according to claim 5, characterized in that: It also includes a preheating chamber temperature sensor arranged in the preheating chamber for detecting the real-time temperature of the high-pressure air supply. The preheating chamber temperature sensor is electrically connected to the integrated controller through the preheating controller.

7. The rail transit vehicle track surface dehumidification and cleaning device according to claim 6, characterized in that: It also includes a preheating chamber pressure sensor arranged in the preheating chamber for detecting the real-time pressure of the high-pressure air supply. The preheating chamber pressure sensor is electrically connected to the integrated controller through the preheating controller.

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