WO2023077581A1

WO2023077581A1 - Electric magnetic levitation train and current collection device thereof, and electric magnetic levitation train parking area rail

Info

Publication number: WO2023077581A1
Application number: PCT/CN2021/133432
Authority: WO
Inventors: 于青松; 谭富星; 刘帅; 邵南
Original assignee: 中车长春轨道客车股份有限公司
Priority date: 2021-11-03
Filing date: 2021-11-26
Publication date: 2023-05-11
Also published as: CN113910913A

Abstract

Disclosed in the present invention are an electric magnetic levitation train and a current collection device thereof, and an electric magnetic levitation train parking area rail. The current collection device of the electric magnetic levitation train comprises a road wheel supporting module and a current collector, wherein the current collector is fixed on the road wheel supporting module, and the current collector is used for being in contact with a power supply rail for electrical connection. In the current collection device of the electric magnetic levitation train provided by the present invention, the space on a road wheel supporting module is used for having a current collector mounted therein, and by means of cooperation between the current collector and a power supply rail, a current collection function in the parking state of the train is achieved, and there is no need to additionally provide a high-power wireless power collection device on the train, and there is also no need to mount an expensive ground electric energy wireless transmission device on the ground, so that the construction cost is saved on and the weight of the train is reduced while not reducing any current collection function; there is no need to provide an additional current collector actuating mechanism, so that the structure is effectively simplified, and the weight and cost are reduced; the radiation is reduced, and the economic efficiency and environmental friendliness are improved; in addition, the current collector has an emergency supporting function.

Description

Electric maglev train and its current receiving device, electric maglev train parking area track

This application claims the priority of the Chinese patent application submitted to the China Patent Office on November 03, 2021, the application number is 202111293961.2, and the title of the invention is "electric maglev train and its current receiving device, electric maglev train parking area track", all of which The contents are incorporated by reference in this application.

technical field

The invention relates to the technical field of electric maglev trains, and more specifically relates to an electric maglev train, a current receiving device thereof, and a track in a parking area of the electric maglev train.

Background technique

When the electric maglev train is running at high speed, it relies on the induction power supply device on the side of the suspension frame to obtain electric energy to ensure the power supply of the vehicle equipment; when the electric maglev train is running at low speed, the electric energy drawn by the induction power supply method cannot meet the electricity demand of the whole vehicle A current collector needs to be set up to harvest power.

At present, the current receiver is a wireless power transmission system to meet the power demand of the electric maglev train at low speed. Specifically, a radio receiver is installed on the electric maglev train, and a radio transmitter is installed on the ground, and the magnetic field of the radio transmitter and the radio receiver is coupled through the air to realize the transmission of electric energy. This method needs to install high-power power electronic equipment on the vehicle and the ground, which is costly and heavy, and the air gap magnetic field is not closed, the external radiation is large, and the economy and environmental protection are poor.

To sum up, how to design a current collector to reduce cost and weight, and improve economy and environmental protection is an urgent problem to be solved by those skilled in the art.

Contents of the invention

The object of the present invention is to provide a current receiving device for an electric maglev train, so as to reduce cost and weight, and improve economy and environmental protection. Another object of the present invention is to provide an electric maglev train including the above-mentioned current receiving device, and an electric maglev train parking area track used in conjunction with the above-mentioned current receiving device of the electric maglev train.

In order to achieve the above object, the present invention provides the following technical solutions:

A current receiving device of an electric maglev train, comprising a traveling wheel supporting module and a current collector, wherein the current receiving device is fixed to the traveling wheel supporting module, and the current receiving device is used for contacting with a power supply rail for electrical connection.

Optionally, the current receiver includes: a conductive sliding plate used for contacting with the power supply rail for electrical connection, and a wiring part provided on the conductive sliding plate; wherein, the conductive sliding plate is fixedly connected to the traveling wheel support module And insulated connection.

Optionally, the conductive sliding plate is a wear-resistant plate.

Optionally, the current-receiving device of the electric maglev train further includes an elastic member fixedly connected to the conductive slider, the elastic member can be deformed along the vertical direction, and the conductive slider passes through the elastic member and the The supporting modules of the traveling wheels are fixedly connected and insulated.

Optionally, the elastic member is fixedly and insulatedly connected to the traveling wheel support module through an insulator, and/or the elastic member is a spring barrel.

Optionally, the connection part is a connection terminal, and/or the connection part is located at the end of the conductive slide.

Optionally, the traveling wheel support module includes: traveling wheels and an undercarriage for controlling the lifting of the traveling wheels; wherein, the current collector is fixed to the undercarriage.

Optionally, the undercarriage includes: a traveling axle, an undercarriage tie rod and an undercarriage crossbar;

Wherein, the landing gear tie rod can be stretched, and there is an included angle between the landing gear tie rod and the landing gear crossbar;

One end of the landing gear rod is used to be hinged to the suspension frame, and the other end of the landing gear rod is hinged to the road wheel shaft;

One end of the landing gear cross bar is used to be hinged with the suspension frame frame, and the other end of the landing gear cross bar is hinged with the traveling wheel shaft;

The traveling wheel is rotatably arranged on the traveling wheel shaft, and the current collector is fixed on the traveling wheel shaft.

In the current receiving device of the electric maglev train provided by the present invention, a current receiving device with simple structure and light weight is installed by using the space on the supporting module of the traveling wheel, and the receiving device in the parking state of the vehicle is realized by cooperating with the power supply rail. There is no need to add high-power wireless power receiving devices on the train, nor to install expensive ground power wireless transmission devices on the ground. On the premise of not reducing any current receiving functions, it saves construction costs and reduces the train load. Weight: Since the current collector is fixed on the traveling wheel support module, the current collector can be raised and lowered together with the traveling wheel support module, and there is no need to set up an additional current collector action mechanism, which effectively simplifies the structure, reduces weight and cost; The current collector is used to contact the power supply rail for electrical connection, which reduces radiation and improves economy and environmental protection; moreover, when the tire of the electric maglev train is blown, the current collector in the parking area is in contact with the power supply rail or is received on the main line. The deflector is in direct contact with the train track, which can support the vehicle, and at the same time, the two friction each other, which can ensure the sliding of the vehicle on the ground. Therefore, the above-mentioned current receiver not only has the function of receiving current, but also has the function of emergency support.

Based on the current receiving device of the electric maglev train provided above, the present invention also provides an electric maglev train, the electric maglev train includes a current receiving device, and the current receiving device is the current receiving device described in any one of the above.

Based on the current receiving device of the electric maglev train provided above, the present invention also provides a track in the parking area of the electric maglev train. The track in the parking area of the electric maglev train includes a train track and a power supply rail arranged on the train track. The track in the parking area is used to cooperate with the current receiving device of the above-mentioned electric maglev train.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the schematic structural view of the current receiving device of the electric maglev train provided by the embodiment of the present invention;

Fig. 2 is the front view of the current receiving device of the electric maglev train provided by the embodiment of the present invention;

Fig. 3 is a side view of the current receiving device of the electric maglev train provided by the embodiment of the present invention;

Fig. 4 is the top view of the current receiving device of the electric maglev train provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the electric maglev train receiving current in the parking area provided by the embodiment of the present invention;

6 is a schematic diagram of an electric maglev train traveling in a non-parking area provided by an embodiment of the present invention;

Fig. 7 is a schematic diagram of an electric maglev train walking in a levitation state provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1-4, the current receiving device of the electric maglev train provided by the embodiment of the present invention includes a traveling wheel supporting module and a current collector, wherein the current receiving device is fixed to the traveling wheel supporting module, and the current receiving device is used for connecting with the power supply rail 300 contacts for electrical connection.

It should be noted that when the electric maglev train is running at a low speed, the above-mentioned traveling wheel support module is used to support the electric maglev train to ensure walking. Specifically, the above-mentioned road wheel support module includes a road wheel 6 and an undercarriage for controlling the lifting of the road wheel 6; the above-mentioned current collector is fixed to the road wheel 6 or the undercarriage.

Specifically, in the parking state, the current collector is released together with the traveling wheel support module to realize static current receiving, as shown in Figure 5; when the electric maglev train reaches the floating speed, the traveling wheel support module is retracted, and the current collector Retracted, as shown in Figure 7, cleverly utilizes the consistency of the actions of the two to meet their respective functional requirements. In the non-stop state, when the electric maglev train is running at a low speed, the above-mentioned walking wheel support module is used to support the electric maglev train to ensure walking. At this time, the train track 200 has no power supply rail 300, and the current receiver is not electrically connected to the power supply rail 300, as Figure 6 shows.

In the current receiving device of the electric maglev train provided in the above embodiment, a current receiving device with a simple structure and light weight is installed by using the space on the supporting module of the traveling wheel, and the cooperation with the power supply rail 300 realizes the vehicle parking state. It does not need to install high-power wireless power receiving devices on the vehicle, nor does it need to install expensive ground power wireless transmission devices on the ground. Without reducing any current receiving functions, it saves construction costs and reduces The weight of the train is reduced; since the current collector is fixed on the traveling wheel support module, the current collector can be raised and lowered together with the traveling wheel support module, and there is no need to set up an additional current collector action mechanism, which effectively simplifies the structure, reduces weight and cost; At the same time, the current receiver is used to contact the power supply rail 300 for electrical connection, which reduces radiation and improves economic efficiency and environmental protection.

Moreover, in the current receiving device of the electric maglev train provided in the foregoing embodiments, after the tire of the electric maglev train is blown out, the current collector in the parking area is in contact with the power supply rail 300 or the current collector on the main line is directly in contact with the train track 200 The contact can support the vehicle, and at the same time, the two rub against each other to ensure the sliding of the vehicle on the ground. Therefore, the above-mentioned current receiver not only has the function of receiving current, but also has the function of emergency support.

It can be understood that the aforementioned parking area may be a station area or a reserved parking area, which is not limited in this embodiment.

For the types of the current collectors mentioned above, select according to actual needs. Optionally, the above-mentioned current collector includes: a conductive slide 1 for contacting with the power supply rail 300 for electrical connection, and a wiring part 2 arranged on the conductive slide 1; wherein, the conductive slide 1 and the traveling wheel support module are fixedly connected and insulated connect.

It can be understood that the conductive slide 1 is insulated and connected to the traveling wheel support module to realize electrical isolation between the two.

In the current-receiving device of the electric maglev train provided in the foregoing embodiments, when the tire of the electric maglev train is blown out, the conductive slide plate 1 in the parking area contacts the power supply rail 300 or the conductive slide plate 1 directly contacts the train track 200 on the main line, It can support the vehicle, and at the same time, the two friction each other, which can ensure the sliding of the vehicle on the ground.

In order to improve the service life, the above-mentioned conductive sliding plate 1 can be selected as a wear-resistant plate. For example, the conductive slider 1 is a carbon-impregnated conductive plate. In practical application, the above-mentioned conductive sliding plate 1 can also be selected as other types of wear-resistant plates, which is not limited in this embodiment.

The size, number and shape of the conductive slides 1 can be selected according to actual needs, which is not limited in this embodiment.

In order to ensure the reliability of current receiving, the current receiving device of the above-mentioned electric maglev train also includes an elastic member 3 fixedly connected to the conductive skateboard 1. The elastic member 3 can be deformed in the vertical direction, and the conductive skateboard 1 supports the module through the elastic member 3 and the traveling wheels. Fixed connection and insulated connection.

It can be understood that the elastic member 3 is in a compressed state to ensure that the conductive slide 1 is always in contact with the power supply rail 300 . During the movement of the electric maglev train relying on the running wheels 7, if a tire blows out, the conductive slide 1 will be in direct contact with the rail surface, the elastic member 3 will be compressed to the limit, and the current receiver will form a single point support for the suspension frame effect.

In the current-receiving device of the above-mentioned electric maglev train, through the action of the elastic member 3, it can absorb the up and down fluctuations caused by the deformation or unevenness of the running wheel 7, the track, the power supply rail 300 and other components during the movement of the electric maglev train, so that the conductive The sliding board 1 is always in reliable contact with the power supply rail 300 .

The type of the above-mentioned elastic member 3 is selected according to actual needs. For example, the elastic member 3 is a spring barrel, which includes a barrel body and a spring that is arranged in the barrel body and can freely expand and contract; or, the elastic member 3 is a spring.

In order to ensure that the elastic member 3 is deformed along the set direction, the above elastic member 3 can be selected as a spring barrel, and the barrel realizes the position limitation of the spring.

In order to facilitate insulated connection, the above-mentioned elastic member 3 is fixedly connected and insulated connected with the traveling wheel support module through the insulator 4 . Of course, other ways can also be selected to realize the insulating connection, and are not limited to the above-mentioned embodiment.

In order to facilitate wiring, the above-mentioned connecting portion 2 is a connecting terminal, and/or the connecting portion 2 is located at the end of the conductive sliding plate 1 . Certainly, it is also possible to choose other types of the connection part 2 and other positions of the connection part 2 on the conductive sliding plate 1 , and it is not limited to the above-mentioned embodiment.

In the above-mentioned current receiving device of the electric maglev train, the traveling wheel support module includes: the traveling wheel 6 and the landing gear for controlling the lifting of the traveling wheel 6 . In order to simplify the structure, the current collector can be selected to be fixed on the landing gear.

For the concrete structure of above-mentioned landing gear, choose according to actual needs. Optionally, the above-mentioned landing gear includes: a walking wheel shaft 5, a landing gear tie rod 7 and a landing gear crossbar 8; wherein, the landing gear tie rod 7 can be telescopic, and there is an included angle between the landing gear tie rod 7 and the landing gear crossbar 8; One end of the landing gear rod 7 is used to be hinged with the suspension frame frame 9, and the other end of the landing gear rod 7 is hinged with the walking wheel shaft 5; The other end is hinged with the traveling wheel shaft 5; the traveling wheel 6 is rotatably arranged on the traveling wheel shaft 5, and the current collector is fixed on the traveling wheel shaft 5.

Specifically, if the above-mentioned current receiver includes a conductive slide 1 , a connection portion 2 , an elastic member 3 and an insulator 4 , the insulator 4 is fixed to the wheel axle 5 . Specifically, when the running wheels 7 are released, while the tires are in contact with the ground, the conductive slide 1 is in contact with the power supply rail 300 on the ground, and the current enters the vehicle through the power supply rail 300, the slide plate 1, the terminal 4 and the wire connected to the terminal. The electric equipment realizes the contact power supply function.

In the above-mentioned landing gear, in order to facilitate articulation, one end of the above-mentioned landing gear pull rod 7 is arranged on the first hinge ring, and the first hinge ring and the traveling wheel shaft 5 are sheathed and rotatably matched. The walking wheel shaft 5; one end of the landing gear crossbar 8 is arranged on the second articulated ring, the second articulated ring and the walking wheel shaft 5 are sheathed and rotatively matched, and the second articulated ring is limited to the walking wheel shaft 5 along the axial direction of the walking wheel shaft 5. The other end of the above-mentioned landing gear rod 7 is provided with a first rotating shaft, and the first rotating shaft is rotatably arranged on the suspension frame frame 9 around its axis; It is rotatably arranged on the suspension frame 9 .

In order to facilitate installation, the above-mentioned undercarriage tie rod 7 and undercarriage crossbar 8 can be selected to be located on the same side of the road wheels 6 .

During actual application, other structures may also be selected to realize the hinge, which is not limited in this embodiment.

In the above landing gear, the included angle between the landing gear tie rod 7 and the landing gear cross bar 8 can be an acute angle or an obtuse angle. In order to simplify the structure, the included angle between the landing gear tie rod 7 and the landing gear cross bar 8 can be selected as an acute angle. Specifically, the axial direction of the landing gear crossbar 8 is parallel to the horizontal direction.

In the current receiving device of the above-mentioned electric maglev train, the traveling wheels 6 correspond to the landing gear one by one. In order to improve the stability, the current receiver and the landing gear are selected to correspond one-to-one. In order to facilitate current collection, at least one current collector can be selected as a positive current collector, and at least one current collector can be selected as a negative current collector. The structure of the positive current receiver and the negative current receiver are the same. In the positive current receiver, the connection part 2 is the positive connection part, and the conductive slide 1 is the positive conductive slide; in the negative current receiver, the connection part 2 is the negative connection part, which is conductive Sliding plate 1 is a negative electrode conductive sliding plate.

As shown in Figure 5-7, the conductive slider 1 on the left is the positive conductive slider, and the conductive slider 1 on the right is the negative conductive slider. Correspondingly, the power supply rail 300 on the left is a positive power supply rail, and the power supply rail 300 on the right is a negative power supply rail. Wherein, the positive conductive slide plate can be electrically connected to the positive power supply rail, and the negative conductive slide plate can be electrically connected to the negative power supply rail.

In practical applications, each conductive slide 1 can also be selected to have a positive conductive part and a negative conductive part. At this time, the power supply rail 300 has a positive power supply part and a negative power supply part. The positive conductive part can be electrically connected to the positive power supply part, and the negative conductive part The part can be electrically connected with the negative power supply part, and is not limited to the above-mentioned embodiments.

Based on the current receiving device of the electric maglev train provided by the above implementation, this embodiment also provides an electric maglev train, the electric maglev train includes a current receiving device, and the current receiving device is the receiving device of the electric maglev train described in the above embodiment. streaming device.

In the above-mentioned electric maglev train, the landing gear is arranged on the car body 100 of the electric maglev train, specifically, the suspension frame 9 is arranged on the car body 100 .

Because the current receiving device of the electric maglev train provided by the above-mentioned implementation has the above-mentioned technical effect, and the above-mentioned electric maglev train includes the current receiving device of the above-mentioned electric maglev train, then the above-mentioned electric maglev train also has corresponding technical effects.

Based on the current receiving device of the electric maglev train provided by the above-mentioned implementation, the present embodiment also provides a parking area track for the electric maglev train, which includes a train track 200 and a power supply rail 300 arranged on the train track 200, The track in the parking area of the electric maglev train is used in cooperation with the above-mentioned current receiving device of the electric maglev train.

Because the current receiving device of the electric maglev train provided by the above-mentioned implementation has the above-mentioned technical effect, and the above-mentioned electric maglev train parking area track is used in conjunction with the current receiving device of the above-mentioned electric maglev train, then the above-mentioned electric maglev train track also has corresponding technical effects.

The type of the power supply rail 300 is selected according to actual needs. Specifically, there are two power supply rails 300 , one power supply rail 300 is a positive power supply rail, and the other power supply rail 300 is a negative power supply rail. At this time, at least one current receiver is a positive current receiver, at least one current receiver is a negative current receiver, the positive current receiver can be electrically connected to the positive power supply rail, and the negative current receiver can be electrically connected to the negative power supply rail. As shown in Figure 5-7, the current receiver on the left is a positive current receiver, and the current receiver on the right is a negative current receiver. Correspondingly, the power supply rail 300 on the left is a positive power supply rail, and the power supply rail 300 on the right is a negative power supply rail.

In practical applications, each power supply rail 300 can also be selected to have a positive power supply part and a negative power supply part. At this time, each conductive slide 1 has a positive conductive part and a negative conductive part, and the positive conductive part can be electrically connected to the positive power supply part. , the negative electrode conductive part can be electrically connected to the negative electrode power supply part, and is not limited to the above-mentioned embodiment.

In order to ensure insulation performance, the above-mentioned power supply rail 300 can be selected to be arranged on the train track 200 through the power supply rail insulator 400 .

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

A current receiving device for an electric maglev train, characterized in that it includes a traveling wheel support module and a current collector, wherein the current collector is fixed to the traveling wheel support module, and the current collector is used for connecting with a power supply rail (300) contacts for electrical connection.
The current receiving device according to claim 1, characterized in that the current receiving device comprises: a conductive sliding plate (1) for contacting with the power supply rail (300) for electrical connection, arranged on the conductive sliding plate (1) The wiring part (2) on the top; wherein, the conductive sliding plate (1) is fixedly connected and insulatedly connected with the traveling wheel support module.
The current receiving device according to claim 2, characterized in that the conductive sliding plate (1) is a wear-resistant plate.
The current receiving device according to claim 2, further comprising an elastic member (3) fixedly connected to the conductive slide (1), the elastic member (3) being able to deform along the vertical direction, The conductive sliding plate (1) is fixedly and insulatedly connected to the traveling wheel support module through the elastic member (3).
The current receiving device according to claim 4, characterized in that, the elastic member (3) is fixedly and insulatedly connected to the traveling wheel support module through an insulator (4), and/or the elastic member (3) For the spring barrel.
The current receiving device according to claim 2, characterized in that the connection part (2) is a connection terminal, and/or the connection part (2) is located at the end of the conductive slide (1).
The current receiving device according to any one of claims 1-6, characterized in that, the traveling wheel support module comprises: a traveling wheel (6) and an undercarriage for controlling the lifting of the traveling wheel (6); wherein, The current collector is fixed on the landing gear.
The current receiving device according to claim 7, wherein the undercarriage comprises: a traveling wheel shaft (5), an undercarriage pull rod (7) and an undercarriage crossbar (8);

Wherein, the landing gear rod (7) can be stretched, and there is an included angle between the landing gear rod (7) and the landing gear crossbar (8);

One end of the undercarriage rod (7) is used to be hinged with the suspension frame (9), and the other end of the undercarriage rod (7) is hinged with the traveling wheel shaft (5);

One end of the landing gear crossbar (8) is used to be hinged to the suspension frame (9), and the other end of the landing gear crossbar (8) is hinged to the traveling wheel shaft (5);

The traveling wheel (6) is rotatably arranged on the traveling wheel shaft (5), and the current collector is fixed on the traveling wheel shaft (5).
An electric maglev train, comprising a current receiving device, characterized in that the current receiving device is the current receiving device according to any one of claims 1-8.
An electric maglev train parking area track is characterized in that it includes a train track (200) and a power supply rail (300) arranged on the train track (200), and the electric maglev train parking area track is used for the same as claimed in the claims 1-8 in any one of the flow receiving device used in conjunction.