CN115305749A - High-temperature superconducting magnetic suspension traffic track slab and braking method thereof - Google Patents
High-temperature superconducting magnetic suspension traffic track slab and braking method thereof Download PDFInfo
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- CN115305749A CN115305749A CN202211238607.4A CN202211238607A CN115305749A CN 115305749 A CN115305749 A CN 115305749A CN 202211238607 A CN202211238607 A CN 202211238607A CN 115305749 A CN115305749 A CN 115305749A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
- E01B25/305—Rails or supporting constructions
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Abstract
The invention discloses a high-temperature superconducting magnetic suspension traffic track slab and a braking method thereof, wherein the track slab comprises a U-shaped slab, and L-shaped conjunction grooves are formed in two sides of the longitudinal end head at the bottom of the track slab; a brake plate disposed at an inner side of the rail plate; the adjustable supports are arranged at two ends of the bottom of the track slab bottom plate; the first pedestal is arranged at the four corners of the bottom of the track plate, and the adjustable support is adjustably arranged on the first pedestal. The problem that the dynamics index is difficult to improve because the high-temperature superconducting train is not suspended in series is solved. The invention has the advantages that: the adjustable support structure is adopted, the height of the track plate can be adjusted, so that the track can obtain high smoothness, the operation and maintenance are convenient, the track plate can be installed and completed at high precision by adjusting the track plate base plate or the adjustable support when the track plate is installed, and the problem of difficult installation precision of the traditional railway track plate is solved.
Description
Technical Field
The invention relates to the technical field, in particular to a high-temperature superconducting magnetic suspension traffic track board and a braking method thereof.
Background
The high-temperature superconducting magnetic suspension track utilizes the unique strong magnetic flux pinning capability of a high-temperature superconductor in an external magnetic field to ensure that the trapped magnetic lines are difficult to escape from the pinning center, while the unflushed free magnetic lines are difficult to permeate into the superconductor, and the unique pinning characteristic ensures that the superconductor can induce a superconducting strong current for hindering the change along with the change of the external magnetic field. The high-temperature superconducting magnetic suspension track needs to be provided with a magnetic track on a track plate to provide static suspension force; when the vehicle runs, a linear motor provides traction and braking force, eddy current braking, mechanical braking and mechanical parking braking are assisted, and a linear motor base, a side wall and an aluminum plate or a stainless steel plate are required to be laid on a track plate; and in consideration of the emergency quench state, laying emergency steel rails on the rail plates.
Therefore, a high-temperature superconducting magnetic levitation track is urgently needed to be developed, the requirement of high installation and laying precision of the functional structure is met, and meanwhile, the comprehensive consideration is given to the aspects of longitudinal and transverse limiting, construction quality control, installation precision control, maintenance and the like.
Disclosure of Invention
The invention aims to provide a high-temperature superconducting magnetic suspension traffic track slab, which can be used for transportation. In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the application provides a high-temperature superconducting magnetic suspension traffic track slab, which comprises a track slab, wherein the track slab is in a U-shaped plate shape, and L-shaped conjunction grooves are formed in two sides of the longitudinal end head at the bottom of the track slab; a brake plate disposed at an inner side of the rail plate; the adjustable supports are arranged at two ends of the bottom of the track slab bottom plate; and the first pedestal is arranged at the four corners of the bottom of the track slab, and the adjustable support is adjustably arranged on the first pedestal.
The application provides a braking method of a high-temperature superconducting magnetic suspension traffic track slab, which comprises the following steps:
sending a first command, wherein the first command is a command for braking the train from a running state;
acquiring the running condition of an eddy current braking device in real time, wherein the running condition comprises the clearance condition between the eddy current braking device and the braking plate, and if the clearance is gradually reduced, the braking plate enters the range of the permanent magnetic force line;
receiving a second command based on the operating condition, wherein the second command is an eddy current generated by the change of the magnetic field distribution of the brake plate;
and sending a third command according to the second command, wherein the third command is to convert the kinetic energy of the eddy current into heat energy for braking.
After the adjustable support structure is additionally adopted, the height of the track slab can be adjusted by the adjustable support, and the height of the slightly small settlement displacement can be adjusted by the adjustable support of the track slab. The elastic adjustable support or the cushion layer is adopted at the position of the adjustable support, so that the elastic rigidity can be provided for the whole track slab; the dynamic elasticity index of the vehicle is improved by the elasticity of the track slab innovatively; after the integrated track slab is adopted, the precision of the magnetic track, the motor, the lateral steel plate and the retaining wall can be controlled in the same index, so that the track slab can be installed at high precision by adjusting the track slab base plate or the adjustable support.
Synthesize the above-mentioned technical scheme that provides, in some possible implementation manners, the intermediate position of the bottom of track board sets up two at least second pedestals, second pedestal top is provided with adjustable support, first pedestal with the structure of second pedestal all adopts detachable structure.
The invention has the beneficial effects that:
1. the high-temperature superconducting magnetic levitation train has great difference from the traditional wheel rail which is forcibly connected through a steel rail to be used as a continuous line. The high-temperature superconducting magnetic track is composed of a plurality of small magnets, the requirement of the magnetic track on the smoothness of the track is high, and the problem of track discontinuity caused by settlement of a lower structure cannot be solved by the traditional track. After the adjustable support structure is adopted, the height of the track plate can be adjusted by the adjustable support, and for small settlement displacement, the height can be adjusted by the adjustable support of the track plate, so that the line can obtain high smoothness. Is convenient for operation and maintenance.
2. After the structure of the invention is adopted, the elastic adjustable support or the cushion layer is adopted at the position of the adjustable support, so that the elastic rigidity can be provided for the whole track slab. The method has the advantages that the dynamic index of the high-temperature superconducting train is improved, higher comfort is obtained, the improvement is greatly realized, the problem that the dynamic index of the high-temperature superconducting train is difficult to improve because the high-temperature superconducting train is not suspended in series is solved, and the dynamic elastic index of the train is improved by the elasticity of the track slab innovatively.
3. After the integrated track slab is adopted, the precision of the magnetic track, the motor, the lateral steel plate and the retaining wall can be controlled in the same index, so that the track can be installed at high precision by adjusting the track base plate or the adjustable support when the track is installed, and the problem of difficult precision of the traditional railway track is solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic overall structure diagram provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a pedestal and an adjustable support according to an embodiment of the present invention.
Fig. 3 is a first cross-sectional view of the overall structure provided by an embodiment of the present invention.
Fig. 4 is a second cross-sectional view of the overall structure provided by an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a second pedestal according to an embodiment of the present invention.
Fig. 6 is a schematic view of a part of a structure provided in an embodiment of the present invention.
FIG. 7 is a schematic diagram of a second pedestal and an adjustable support according to an embodiment of the present invention.
The mark in the figure is: 1. a track plate; 2. an adjustable support; 3. a first pedestal; 4. a second pedestal; 5. a limiting retaining wall; 6. a cushion layer; 7. a magnetic track; 8. a linear motor base; 9. a steel rail; 10. a brake plate; 11. vehicle speed measurement positioner.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a track slab 1, where the track slab 1 is in a U-shaped plate shape, and two sides of a bottom longitudinal end of the track slab 1 are provided with L-shaped engagement grooves;
it should be noted that, the track plate 1 is a track plate 1, and the core function of the track plate 1 is to maintain 2 magnetic tracks 7, 1 motor, 2 steel rails 9, 2 steel plates, and 8 air gaps between the vehicle speed measurement positioning device 11 at 1 and the vehicle, and the air gaps are maintained within a designed range in operation, and the 8 air gaps do not change relatively with the movement of the line.
The track plate 1 is of a prestressed concrete structure, the length of the plate is 3-8m, drainage slopes are arranged on the top of the plate, and drainage holes are arranged at intervals on side walls of the plate. The bottom plate top surface installation magnetic levitation equipment or reserve the installation notch, and equipment such as two magnetic tracks 7 (can reserve the notch), linear electric motor base 8 and rail 9 pinpoints, adopts the bolt to fix it on track board 1, for preventing track board 1 and equipment from producing relative dislocation, the anchor bolt packing ring adopts the slotted hole.
A brake plate 10, the brake plate 10 being disposed inside the track plate 1;
the brake plate 10 (aluminum plate or stainless steel plate) is pre-buried at the inner side of the side wall, which is convenient for the braking of the maglev train. The eddy current braking devices are arranged on two sides of the train running part, and the mechanical braking devices are arranged on the stainless steel supporting body of the eddy current braking devices. The brake plate 10 is installed in a direction of advance of the train line in a position corresponding to the position of the eddy current brake apparatus. In order to facilitate installation precision control and construction convenience, the track slab is installed in the prefabricating process of the track slab 1.
The adjustable supports 2 are arranged at two ends of the bottom plate of the track slab 1;
and the first pedestal 3 is arranged at the four corners of the bottom of the track plate 1, and the adjustable support 2 is adjustably arranged on the first pedestal 3.
It should be noted that the adjustable support 2 is arranged below the bottom plate of the track plate 1 and is mounted on the first pedestal 3 and the second pedestal 4. The function of the adjustable support is to transfer the load and deformation (displacement and corner) born by the track slab 1 to the first pedestal 3 and the second pedestal 4, and meanwhile, for small settlement displacement, the height can be adjusted through the adjustable support 2, so that the line can obtain high smoothness. And provides certain elastic rigidity for the line so as to obtain higher driving comfort.
In some optional embodiments, a first L-shaped plate is arranged at four corners of the bottom of the track plate 1, and the first L-shaped plate comprises a vertical plate and a transverse plate connected with the vertical plate, the vertical plate is a position-limiting retaining wall 5, and the transverse plate is the first pedestal 3;
spacing barricade 5 with the junction arch of first pedestal 3 is provided with second L shaped plate, adjustable support 2 sets up the second L shaped plate is close to adjacent two one side that track board 1 is connected, the second L shaped plate with L shape agrees with the groove phase-match.
In some alternative embodiments, an extension line of the bottom surface of the rail plate and an extension line of the bottom surface of the second L-shaped plate are flush.
In some alternative embodiments, a cushion layer 6 is arranged on the contact surface of the track 1 and the limit retaining wall 5.
It should be noted that the limiting retaining wall 5 is arranged on the first pedestal 3 and corresponds to the grooves on two sides of the longitudinal end of the track slab 1 to limit the longitudinal and transverse directions of the track slab 1.
The buffering isolation layer is arranged between the track 1 plate and the limiting retaining wall 5, and the isolation layer has certain elasticity, so that the effects of adjusting the direction of the track 1 plate and avoiding the damage of the stop dog are achieved.
In some alternative embodiments, at least two second pedestals 4 are provided at the middle position of the bottom of the track plate, and the adjustable support 2 is provided above the second pedestals 4.
The first pedestal 3 and the second pedestal 4 are arranged to be closely attached to the adjustable support 2 and to adjust the deviation between the substructure and the track slab 1 caused by construction, so as to reduce the requirement for the accuracy of the substructure construction. An adjustable support 2 is placed on the pedestal to support the track slab 1. Wherein first pedestal 3 sets up in the four corners of track board 1, and second pedestal 4 sets up in the middle of track board 1, and adjustable support 2 with adjustable place is gone up to a plurality of second pedestals 4, supports track board 1.
In some optional embodiments, at least two grooves for limiting are provided on the second pedestal 4, and a cushion layer 6 is provided on the second pedestal 4.
In some optional embodiments, the track board includes two side walls and connects two track board 1 bottom plate between the side wall, the top surface of track board 1 bottom plate is provided with the reservation notch, the reservation notch is used for holding magnetic track 7, linear electric motor base 8, rail 9 and vehicle positioner 11 that tests the speed, magnetic track 7 vertically is in along circuit parallel arrangement on the track board 1 bottom plate, linear electric motor base 8 sets up two between the magnetic track 7, rail 9 sets up linear electric motor base 8 with between the magnetic track 7, vehicle positioner 11 that tests the speed sets up track board 1 bottom plate with the intersection of side wall, just vehicle location positioner 11 that tests the speed along the circuit with linear electric motor base 8 parallel arrangement.
The linear motor base 8 is an embedded part for installing the linear motor, the high-temperature superconducting maglev train is provided with traction force by the linear motor, the motor rotor is installed below the middle of the train running part, the linear motor stator cable is installed on the track slab 1 below the motor rotor, and the track slab is embedded, paved and formed in the prefabricating process of the track slab 1 so as to facilitate the installation accuracy control and construction standardization of the motor cable.
The track slab 1 consists of a bottom plate and two side walls of the track slab 1, and is used for supporting and fixing the implementation equipment, so that the load transmitted by the train through the track slab 1 is distributed to a structure under the bottom plate;
the side walls on the two sides are used as carrying side induction plates, and are used as secondary stages of eddy current brake equipment in the high-speed running process of a train, friction plates and parking brakes in emergency braking. And the impact force and the braking force generated by eddy current braking, mechanical braking and mechanical parking on the train running part under the special condition of the train are transmitted to the bottom plate and finally transmitted to a structure under the bottom plate.
In some optional embodiments, drainage holes are arranged at the intersection of the side wall and the bottom plate of the track 1 at intervals, a first drainage slope and a second drainage slope are transversely arranged on the bottom plate of the track plate 1 and connected with each other, the first drainage slope comprises a first water collecting end and a first hydrophobic end, the horizontal height of a port of the first water collecting end is higher than that of a port of the first hydrophobic end, and accumulated water in the first water collecting end can be automatically drained to the first hydrophobic end; the second drainage slope comprises a second water accumulation end and a second hydrophobic end, the horizontal height of a port of the second water accumulation end is higher than that of a port of the second hydrophobic end, and accumulated water in the second water accumulation end can be automatically drained to the second hydrophobic end; the first water-collecting end and the second water-collecting end are both close to the linear motor base 8.
Example 2
In this embodiment, a method for braking a high-temperature superconducting magnetic levitation transportation track slab includes:
sending a first command, wherein the first command is a command for braking the train from a running state;
acquiring the running condition of an eddy current braking device in real time, wherein the running condition comprises the clearance condition between the eddy current braking device and the braking plate 10, and if the clearance is gradually reduced, the braking plate 10 enters the range of permanent magnetic force lines;
receiving a second command based on the operating condition, the second command being an eddy current generated by a change in the magnetic field distribution of the brake plate 10;
and sending a third command according to the second command, wherein the third command is to convert the kinetic energy of the eddy current into heat energy for braking.
It should be noted that, the magnetic track 7 adopts a permanent magnetic track, and by using the unique strong magnetic flux pinning capability of the high-temperature superconductor in the external magnetic field, the captured magnetic lines of force are difficult to escape from the pinning center, while the non-captured free magnetic lines of force are difficult to penetrate into the superconductor, and the unique pinning characteristic enables the superconductor to induce the superconducting strong current which hinders the change along with the change of the external magnetic field. The unique electromagnetic interaction realizes the self suspension and the guidance of the suspension on a macroscopic scale, and the suspension and the guidance can be realized without active control. As the rail transit, two magnetic tracks 7 are arranged in parallel along the line and are arranged under the Dewar, and a notch and an embedded part are reserved in the track plate prefabricating process.
The rail 9 is an emergency rail 9 which is laid on the rail plate 1 and is used for emergency running of the vehicle by adopting the rail 9 in consideration of an emergency quench state or a vehicle preparation state. The position of the track slab corresponds to the walking steel wheel below the train running part, and an embedded part is installed or mounted in the prefabrication process of the track slab 1 for facilitating installation accuracy control.
The train braking working process is as follows:
the high-temperature superconducting magnetic levitation train adopts three braking modes of motor braking, eddy current braking and mechanical braking, and the braking control function is correspondingly realized through an operation control system. The train brake is designed in a grading way, and the linear motor brake is used as the main brake and the eddy current brake is used as the auxiliary brake under the condition of high-speed running. The low-speed running brake is mainly implemented by linear motor brake and assisted by eddy current brake and mechanical brake.
Wherein the linear motor brake is provided by the motor. The eddy current brake adopts a permanent magnet eddy current brake scheme (single-sided permanent magnet eddy current), a brake plate 10 (an aluminum plate or a stainless steel plate) is used as an induction plate and fixed on the side wall of the track plate 1 and does not move, an eddy current brake device is used as a rotor, a stainless steel support body of the eddy current brake device is used as a magnet yoke, and neodymium iron boron permanent magnets with NS (neodymium iron boron) distributed alternately are arranged on the rotor; the eddy current brake can also perform effective braking when the power is off, and greatly improves the safety and reliability of the braking. The mechanical brake adopts a skid friction braking scheme, and the brake is realized by utilizing the physical friction between a skid friction block and the brake plate 10 under the condition of low-speed running. The braking process of eddy current braking and mechanical braking is described below.
The eddy current brake device is arranged on two transverse sides of the train running part, is provided with a telescopic device which is transversely telescopic along the train body, and is retracted in the device to keep a certain physical gap with the brake plate 10 during normal operation, so that the brake plate 10 does not enter the range of permanent magnetic force lines and does not generate braking force.
When braking is needed, the eddy current braking device pops up, the gap between the eddy current braking device and the device is reduced for the braking plate 10, and the braking plate 10 enters the range of the permanent magnetic force line. When the train moves at a high speed, the magnetic poles of the permanent magnets move, the magnetic field distribution on the induction plate (the brake plate 10) changes, eddy electromotive force is induced to generate eddy current, and the current flows on the induction plate, so that the kinetic energy of the rotor is converted into heat energy on the induction plate, and the non-contact braking effect is achieved.
The skid friction block of the mechanical braking device is arranged on a stainless steel support body of the eddy current braking device, a telescopic device is arranged and can transversely stretch along a vehicle body, and a certain physical gap is kept between the skid friction block and the braking plate 10 in the device during normal operation. When mechanical braking or parking braking is needed, the mechanical braking device pops up, the skid friction block of the mechanical braking device is contacted with the braking plate 10 to generate physical friction, and kinetic energy is consumed through friction to achieve the effect of contact braking.
The vehicle speed measuring and positioning device 11 is a ground device of a speed measuring and positioning system and adopts speed measuring technologies such as cross induction loops, gratings, hall elements and the like in the prior art. The maglev train is loaded with an antenna or an induction device, the antenna or the induction device reacts with the vehicle speed measuring and positioning device 11, and the system realizes accurate positioning by identifying and analyzing the position of an antenna signal. The sensor control technology is not directly related to the invention, and the invention is not introduced; the vehicle-mounted antenna unit is fixed on the bogie through the bracket, and in order to ensure the functional requirement of speed measurement and positioning in the whole running process of the train, the vehicle speed measurement positioning device 11 needs to be arranged in parallel with the motor in the whole running process of the train; the space reasonable layout between the track slab 1 and the train walking part is comprehensively considered, and the vehicle speed measuring and positioning device 11 is arranged at the intersection angle position of the bottom plate and the side wall of the track slab 1 and can be arranged on the left side and the right side.
In summary, the high-temperature superconducting magnetic levitation train has a great difference from the traditional wheel track which is forcibly connected through the steel rail to be used as a continuous line. The high-temperature superconducting magnetic track is composed of a plurality of small magnets, the requirement of the magnetic track on the smoothness of the track is high, and the traditional track plate has no way of solving the problem of track discontinuity caused by settlement of a lower structure. And this patent has adopted adjustable support structure after, because adjustable support can adjust the track height, to the displacement that subsides slightly for a short time, can be through the adjustable support adjustment height of track board for the circuit can obtain high ride comfort. Is convenient for operation and maintenance. After the structure is adopted, the elastic adjustable support or the cushion layer is adopted at the position of the adjustable support, so that the elastic rigidity can be provided for the whole track. The method has the advantages that higher comfort level is obtained for improving the dynamic index of the high-temperature superconducting train, the improvement is greatly realized, and the problem that the dynamic index is difficult to improve because the high-temperature superconducting train is not suspended in series is solved. After the integrated track slab is adopted, the precision of the magnetic track, the motor, the lateral steel plate and the retaining wall can be controlled in the same index, so that the track can be installed at high precision by adjusting the track slab backing plate or the adjustable support. The problem of difficulty in mounting precision of the traditional railway track slab is solved.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A high-temperature superconducting magnetic suspension traffic track board is characterized by comprising:
the track plate (1) is in a U-shaped plate shape, and L-shaped conjunction grooves are formed in two sides of the longitudinal end head of the bottom of the track plate (1);
the brake plate (10), the brake plate (10) is arranged on the inner side of the side wall of the track plate (1);
the adjustable supports (2) are arranged at two ends of the bottom of the track plate (1); and
the adjustable support comprises a first pedestal (3), wherein the first pedestal (3) is arranged at the four corners of the bottom of the track plate (1), and the adjustable support (2) is arranged on the first pedestal (3).
2. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 1, wherein: a first L-shaped plate is arranged at the four corners of the bottom of the track plate (1), the first L-shaped plate comprises a vertical plate and a transverse plate connected with the vertical plate, the vertical plate is a limiting retaining wall (5), and the transverse plate is the first pedestal (3);
spacing barricade (5) with the junction arch of first pedestal (3) is provided with second L shaped plate, adjustable support (2) set up second L shaped plate is close to adjacent two one side that track board (1) are connected, second L shaped plate with L shape agrees with the groove phase-match.
3. A high temperature superconducting magnetic levitation transportation track plate as claimed in claim 2, wherein: the extension line of the bottom surface of the track plate (1) is flush with the extension line of the bottom surface of the second L-shaped plate.
4. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 2, wherein: the track slab (1) with be provided with bed course (6) on spacing barricade (5) contact surface.
5. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 1, wherein: the middle position of the bottom of the track slab (1) is provided with at least two second pedestals (4), and the adjustable support (2) is arranged above the second pedestals (4).
6. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 1, wherein: the middle position of the bottom of the track plate (1) is provided with a second pedestal (4), and the second pedestal (4) is provided with a cushion layer (6).
7. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 1, wherein: track board (1) includes two side walls and connects two track board bottom plate between the side wall, the top surface of track board bottom plate is provided with the reservation notch, reserve the notch and be used for holding magnetic track (7), linear electric motor base (8), rail (9) and vehicle speed measurement positioner (11), vertical line parallel arrangement along magnetic track (7) is in on the track board bottom plate, linear electric motor base (8) set up two between magnetic track (7), rail (9) set up linear electric motor base (8) with between magnetic track (7), vehicle speed measurement positioner (11) set up the track board bottom plate with the intersection of side wall, just vehicle speed measurement positioner (11) along the circuit with linear electric motor base (8) parallel arrangement.
8. A high temperature superconducting magnetic levitation transportation rail plate as claimed in claim 7, wherein: drainage holes are arranged at the intersection of the side wall and the track plate (1) at intervals, a first drainage slope and a second drainage slope are transversely arranged on the track plate (1) and connected with each other, the first drainage slope comprises a first water accumulation end and a first drainage end, the horizontal height of a port of the first water accumulation end is higher than that of a port of the first drainage end, and accumulated water in the first water accumulation end can be automatically drained to the first drainage end; the second drainage slope comprises a second water accumulation end and a second hydrophobic end, the horizontal height of a port of the second water accumulation end is higher than that of a port of the second hydrophobic end, and accumulated water in the second water accumulation end can be automatically drained to the second hydrophobic end; the first ponding end and the second ponding end are both close to the linear motor base (8).
9. A method for braking a high temperature superconducting magnetic levitation transportation rail plate using the high temperature superconducting magnetic levitation transportation rail plate as claimed in any one of claims 1 to 8, comprising:
sending a first command, wherein the first command is a command for braking the train from a running state;
acquiring the running condition of an eddy current braking device in real time, wherein the running condition comprises the clearance condition between the eddy current braking device and the braking plate (10), and if the clearance is gradually reduced, the braking plate (10) enters the range of a permanent magnetic force line;
receiving a second command based on the operating condition, wherein the second command is an eddy current generated by the change of the magnetic field distribution of the brake plate (10);
and sending a third command according to the second command, wherein the third command is to convert the kinetic energy of the eddy current into heat energy for braking.
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| CN202211238607.4A CN115305749A (en) | 2022-10-11 | 2022-10-11 | High-temperature superconducting magnetic suspension traffic track slab and braking method thereof |
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| CN202211238607.4A CN115305749A (en) | 2022-10-11 | 2022-10-11 | High-temperature superconducting magnetic suspension traffic track slab and braking method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807361A (en) * | 2023-02-01 | 2023-03-17 | 成都西交华创科技有限公司 | Mounting foundation of permanent magnet track of magnetic suspension train and magnetic suspension train |
| CN116061698A (en) * | 2023-04-06 | 2023-05-05 | 成都西交华创科技有限公司 | High-temperature superconducting magnetic suspension system compatible with existing railway and transformation method |
| CN116377774A (en) * | 2023-06-05 | 2023-07-04 | 成都西交华创科技有限公司 | Expansion joint compensation device and compensation method for permanent magnet track |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807361A (en) * | 2023-02-01 | 2023-03-17 | 成都西交华创科技有限公司 | Mounting foundation of permanent magnet track of magnetic suspension train and magnetic suspension train |
| CN116061698A (en) * | 2023-04-06 | 2023-05-05 | 成都西交华创科技有限公司 | High-temperature superconducting magnetic suspension system compatible with existing railway and transformation method |
| CN116061698B (en) * | 2023-04-06 | 2023-06-09 | 成都西交华创科技有限公司 | High-temperature superconducting magnetic suspension system compatible with existing railway and transformation method |
| CN116377774A (en) * | 2023-06-05 | 2023-07-04 | 成都西交华创科技有限公司 | Expansion joint compensation device and compensation method for permanent magnet track |
| CN116377774B (en) * | 2023-06-05 | 2023-08-18 | 成都西交华创科技有限公司 | Expansion joint compensation device and compensation method for permanent magnet track |
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