CN108466569B - Medium-low speed magnetic levitation vehicle running mechanism - Google Patents

Medium-low speed magnetic levitation vehicle running mechanism Download PDF

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Publication number
CN108466569B
CN108466569B CN201810089545.2A CN201810089545A CN108466569B CN 108466569 B CN108466569 B CN 108466569B CN 201810089545 A CN201810089545 A CN 201810089545A CN 108466569 B CN108466569 B CN 108466569B
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induction motor
series
linear induction
vehicle
groups
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CN108466569A (en
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林国斌
高定刚
徐俊起
赵元哲
胡杰
韩鹏
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Tongji University
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Tongji University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/03—Electric propulsion by linear motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The invention relates to a middle-low speed magnetic suspension vehicle running mechanism which comprises suspension frames connected in sequence, wherein two sides of each suspension frame are respectively hung with a linear induction motor stator, six suspension frames are arranged, the number of the linear induction motor stators is twelve, the linear induction motor stators are symmetrically distributed on two sides of the running mechanism, the linear induction motor stators on each side of the running mechanism are at least divided into 2 groups, and the linear induction motor stators in each group are respectively connected in series and in parallel to a vehicle-mounted traction inverter. Compared with the prior art, the invention increases the terminal voltage of the stator of the single linear induction motor, can improve the maximum running speed of the magnetic suspension train, simultaneously improves the availability and the reliability of the system, and ensures the safe and stable running of the train.

Description

Medium-low speed magnetic levitation vehicle running mechanism
Technical Field
The invention relates to the technical field of rail transit vehicles, in particular to a running mechanism of a medium-low speed magnetic levitation vehicle.
Background
The magnetic suspension train is a great technical innovation in the field of transportation, realizes non-contact suspension and guidance between the train and a track through electromagnetic force, and then utilizes the electromagnetic force generated by a linear motor to draw the train to run. The medium-low speed maglev train is used as a mode of the maglev train, the speed per hour is not more than 200 kilometers, and the medium-low speed maglev train has the advantages of low noise, high comfort, good environmental protection performance and the like, and can meet the traffic transportation requirements in the urban range and in short distance between cities. The medium-low speed maglev train generates a levitation force by means of a levitation magnet arranged on the train, a stator (comprising an iron core and a winding) of a linear induction motor is arranged on the train, the train obtains electric energy from the ground through a current receiving rail to supply power for the winding of the stator of the linear induction motor, and the traction force and the braking force required by the train are generated by the interaction of the stator of the linear induction motor on the train and an aluminum induction plate laid on the ground. The running mechanism of a single-section vehicle of a low-speed maglev train generally comprises five suspension frames, wherein a linear induction motor stator is respectively arranged on the left side and the right side of each suspension frame, the five linear induction motor stators on each side are connected in series and then connected to a traction inverter on the train, and the single-section vehicle is provided with ten linear induction motor stators to form a five-string two-connection mode.
At present, the highest speed per hour of a low-speed magnetic-levitation train is about 100 kilometers, and the requirements of rail traffic inside cities and among cities cannot be completely met. The traction force of the train is provided by the linear induction motor, the highest speed of the train is related to the terminal voltage of the stator of the linear induction motor, and increasing the terminal voltage of the stator winding is an effective means for increasing the highest speed of the train. The connection mode of the stator windings is five series-two parallel, the maximum terminal voltage of a single linear induction motor stator is one fifth of the output voltage of the traction inverter, and under the condition that the output voltage of the traction inverter is constant, the terminal voltage of the stator windings is difficult to increase by changing the connection mode of the stator windings.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a running mechanism of a medium-low speed magnetic levitation vehicle.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a well low-speed magnetic levitation vehicle running gear, well low-speed magnetic levitation vehicle running gear is including the suspension that connects gradually, and a linear induction motor stator hangs respectively in every suspension both sides, the suspension be equipped with six, linear induction motor stator twelve altogether to the symmetric distribution is in walking the running gear both sides, six linear induction motor stators of walking every one side of mechanism divide into 2 groups at least, and the linear induction motor stator in every group is connected to a vehicle-mounted inverter that pulls in series and in parallel respectively.
The linear induction motor stators on each side of the walking mechanism are divided into 2 groups according to the arrangement sequence, three linear induction motor stators in each group are respectively connected in series to form 4 series groups, and each series group is respectively connected to a vehicle-mounted traction inverter.
The mode that 4 series groups connect the vehicle-mounted traction inverter is as follows:
the series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected to one vehicle-mounted traction inverter in parallel, the series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected to the other vehicle-mounted traction inverter in parallel, and all linear induction motor stators form a three-series two-parallel mode.
The mode that 4 series groups connect the vehicle-mounted traction inverter is as follows:
the 4 series groups are all connected in parallel to a vehicle-mounted traction inverter, and all linear induction motor stators form a three-series-four-parallel mode.
The linear induction motor stators on each side of the walking mechanism are divided into four groups according to the following modes:
the linear induction motor stators on each side are firstly divided into two groups according to the arrangement sequence, 3 linear induction motor stators in each group are selected, two adjacent linear induction motor stators are mutually connected in series to form a series group, the linear induction motor stators which are not connected in series in each group are connected in series with the linear induction motor stators which are not connected in series in groups on the opposite side of the walking mechanism to form a series group, 12 linear induction motor stators form 6 series groups, and the 6 series groups are respectively connected to a vehicle-mounted traction inverter.
The mode that 6 series groups connect the vehicle-mounted traction inverter is as follows:
the 3 series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected in parallel to one vehicle-mounted traction inverter, the 3 series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected in parallel to the other vehicle-mounted traction inverter, and all linear induction motor stators form a two-series-three-parallel mode.
The mode that 6 series groups connect the vehicle-mounted traction inverter is as follows:
the 6 series groups are all connected in parallel to a vehicle-mounted traction inverter, and all linear induction motor stators form a two-series six-parallel mode.
Walk to walk and to walk the head end of mechanism and be equipped with head end slip table and terminal slip table, slip table and the fixed slip table of second in the middle of first fixed slip table, first middle slip table, the second between head end slip table and the terminal slip table distribute gradually, 6 suspension frames distribute gradually and pin joint respectively on two adjacent slip tables.
A first forcing guide mechanism is arranged between the head end sliding table and the first middle sliding table, and a second forcing guide mechanism is arranged between the tail end sliding table and the third middle sliding table.
Compared with the prior art, the invention has the following advantages:
(1) the six suspension frames adopted by the running mechanism of the maglev train can suspend twelve linear induction motor stators, the six linear induction motor stators at each side are at least divided into 2 groups, and the linear induction motor stators in each group are respectively connected in series and connected to a vehicle-mounted traction inverter;
(2) the invention relates to a three-string two-parallel form and a three-string four-parallel form of a linear induction motor stator, wherein the terminal voltage of each linear induction motor stator is one third of the output voltage of a traction inverter, under the condition of not changing the output voltage of the traction inverter, the terminal voltage of a single linear induction motor stator in the connection mode is improved by 60 percent compared with the original five-string two-parallel form, when one linear induction motor stator winding fails, only the failed stator and two linear induction motor stators connected in series with the failed stator are caused to quit operation, other nine linear induction motor stators normally work, the loss of driving force is 25 percent, but both sides of a vehicle have driving force, and under the original five-string two-parallel form, one linear induction motor stator fails, all five linear induction motor stators on one side of the vehicle are caused to quit operation, the power loss is 50%, and one side of the vehicle completely loses the driving force;
(3) the two-string three-parallel mode and the two-string six-parallel mode of the linear induction motor stator are adopted, the terminal voltage of each linear induction motor stator is one half of the output voltage of the traction inverter, under the condition that the output voltage of the traction inverter is not changed, the terminal voltage of a single linear induction motor stator in the connection mode is improved by 150% compared with the terminal voltage of the single linear induction motor stator in the original five-string two-parallel mode, when a stator winding of one linear induction motor breaks down, only two linear induction motor stators are caused to quit operation, the driving force loss is 20%, and the driving force on two sides of a vehicle is ensured;
(4) according to the three-string two-parallel form and the two-string three-parallel form of the linear induction motor stator, when one traction inverter breaks down, six linear motor stator windings quit to operate, the six linear induction motor stators supplied with power by the other traction inverter work normally, three linear induction motor stators on each side can provide power normally, both sides of a vehicle can have driving capability, and the operation reliability is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the running mechanism of a low-speed magnetic levitation vehicle in the invention;
FIG. 2 is a top view of the suspension;
FIG. 3 is a side view of the suspension;
FIG. 4 is a top view of the first forcible guiding mechanism;
fig. 5 is a schematic view showing a connection manner of a stator of the linear induction motor according to embodiment 1;
fig. 6 is a schematic view showing a connection manner of a stator of the linear induction motor according to embodiment 2;
FIG. 7 is a schematic view showing a connection manner of stators of the linear induction motor according to embodiment 3;
fig. 8 is a schematic view of a connection mode of a stator of the linear induction motor according to embodiment 4.
In the drawing, 1 to 6 are suspension frames, 7 is a head end sliding table, 8 is a tail end sliding table, 9 is a first fixed sliding table, 10 is a second fixed sliding table, 11 is a first middle sliding table, 12 is a second middle sliding table, 13 is a third middle sliding table, 14 is a first forcing guide mechanism, 15 is a second forcing guide mechanism, 16 to 27 are linear induction motor stators, and 28 to 30 are vehicle-mounted traction inverters.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Example 1
As shown in fig. 1 to 4, the medium-low speed magnetic levitation vehicle traveling mechanism comprises suspension frames connected in sequence, each suspension frame is provided with six linear induction motor stators, twelve linear induction motor stators are suspended on two sides of each suspension frame and symmetrically distributed on two sides of each suspension frame, a head sliding table 7 and a tail sliding table 8 are arranged at the head end and the tail end of each traveling mechanism, a first fixed sliding table 9, a first middle sliding table 11, a second middle sliding table 12, a third middle sliding table 13 and a second fixed sliding table 10 are sequentially distributed between the head sliding table 7 and the tail sliding table 8, and 6 suspension frames are sequentially distributed and respectively pin-jointed on two adjacent sliding tables. Be equipped with the first guiding mechanism 14 that compels between slip table 11 in the middle of head end slip table 7 and the first, be equipped with the second between slip table 8 and the third and compel guiding mechanism 15, specifically:
the suspension frame 1 is in pin joint between the head end sliding table 7 and the first fixed sliding table 9, the suspension frame 2 is in pin joint between the first fixed sliding table 9 and the first middle sliding table 11, the suspension frame 3 is in pin joint between the first middle sliding table 11 and the second middle sliding table 12, the suspension frame 4 is in pin joint between the second middle sliding table 12 and the third middle sliding table 13, the suspension frame 5 is in pin joint between the third middle sliding table 13 and the second fixed sliding table 13, and the suspension frame 6 is in pin joint between the second fixed sliding table 10 and the tail end sliding table 8;
the cross rods at the two ends of the first forced guide mechanism 14 are pinned between the first fixed sliding table 7 and the first middle sliding table 11, and the cross rods at the two ends of the second forced guide mechanism 15 are pinned between the third middle sliding table 13 and the second fixed sliding table 8;
linear induction motor stator 16, linear induction motor stator 17 hangs respectively in the both sides of suspension 1, linear induction motor stator 18, linear induction motor stator 19 hangs respectively in the both sides of suspension 2, linear induction motor stator 20, linear induction motor stator 21 hangs respectively in the both sides of suspension 3, linear induction motor stator 22, linear induction motor stator 23 hangs respectively in the both sides of suspension 4, linear induction motor stator 24, linear induction motor stator 25 hangs respectively in the both sides of suspension 5, linear induction motor stator 26, linear induction motor stator 27 hangs respectively in the both sides of suspension 6.
The six linear induction motor stators on each side of the walking mechanism are at least divided into 2 groups, and the linear induction motor stators in each group are respectively connected in series and connected to a vehicle-mounted traction inverter.
As shown in fig. 5, in the present embodiment, the linear induction motor stators on each side of the running gear are divided into 2 groups in the arrangement order, three linear induction motor stators in each group are respectively connected in series to form 4 series groups, and each series group is respectively connected to one vehicle-mounted traction inverter. The mode that 4 series groups connect the vehicle-mounted traction inverter is as follows: the series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected to one vehicle-mounted traction inverter in parallel, the series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected to the other vehicle-mounted traction inverter in parallel, and all linear induction motor stators form a three-series two-parallel mode.
Specifically, the linear induction motor stator 16, the linear induction motor stator 18, and the linear induction motor stator 20 are connected in series to form a first series group, the linear induction motor stator 17, the linear induction motor stator 19, and the linear induction motor stator 21 are connected in series to form a second series group, the linear induction motor stator 22, the linear induction motor stator 24, and the linear induction motor stator 26 are connected in series to form a third series group, the linear induction motor stator 23, the linear induction motor stator 25, and the linear induction motor stator 27 are connected in series to form a fourth series group, the first series group and the second series group are connected in parallel to the vehicle-mounted traction inverter 28, and the third series group and the fourth series group are connected in parallel to the vehicle-mounted traction inverter 29.
Example 2
As shown in fig. 6, the present embodiment is different from embodiment 1 in that the manner in which the 4 series groups connect the vehicle-mounted traction inverters is: the 4 series groups are all connected in parallel to one vehicle traction inverter, all linear induction motor stators form a three-series-four-parallel form, and specifically, the 4 series groups are all connected in parallel to the vehicle traction inverter 30. The rest is the same as in example 1.
Example 3
As shown in fig. 7, this embodiment is different from embodiment 1 in that the linear induction motor stator on each side of the running gear is divided into four groups as follows:
the linear induction motor stators on each side are firstly divided into two groups according to the arrangement sequence, 3 linear induction motor stators in each group are selected, two adjacent linear induction motor stators are mutually connected in series to form a series group, the linear induction motor stators which are not connected in series in each group are connected in series with the linear induction motor stators which are not connected in series in groups on the opposite side of the walking mechanism to form a series group, 12 linear induction motor stators form 6 series groups, and the 6 series groups are respectively connected to a vehicle-mounted traction inverter. The mode that 6 series groups connect the vehicle-mounted traction inverter is as follows: the 3 series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected in parallel to one vehicle-mounted traction inverter, the 3 series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected in parallel to the other vehicle-mounted traction inverter, and all linear induction motor stators form a two-series-three-parallel mode.
Specifically, as shown in fig. 7, the linear induction motor stator 16 and the linear induction motor stator 18 serve as a first series group, the linear induction motor stator 17 and the linear induction motor stator 19 serve as a second series group, the linear induction motor stator 20 and the linear induction motor stator 21 serve as a third series group, the linear induction motor stator 22 and the linear induction motor stator 24 serve as a fourth series group, the linear induction motor stator 23 and the linear induction motor stator 25 serve as a fifth series group, the linear induction motor stator 26 and the linear induction motor stator 27 serve as a sixth series group, the first series group, the second series group and the third series group are all connected in parallel to the vehicle-mounted traction inverter 28, and the fourth series group, the fifth series group and the sixth series group are all connected in parallel to the vehicle-mounted traction inverter 29.
Example 4
As shown in fig. 8, the present embodiment is different from embodiment 3 in that the manner in which the vehicle-mounted traction inverters are connected to the 6 series groups is: the 6 series groups are all connected in parallel to one vehicle traction inverter, all linear induction motor stators form a two-series-six-parallel form, and specifically, the 6 series groups are all connected in parallel to the vehicle traction inverter 30. The rest is the same as in example 1.
In the above embodiments 1 and 2, the terminal voltage of each linear induction motor stator is one third of the output voltage of the traction inverter, and under the condition that the output voltage of the traction inverter is not changed, the terminal voltage of a single linear induction motor stator in this connection mode is improved by 60% compared with the original five-string two-parallel mode, when one linear induction motor stator winding fails, only the failed stator and two linear induction motor stators connected in series therewith will quit operation, the other nine linear induction motor stators will normally operate, the loss of driving force is 25%, but both sides of the vehicle have driving force, and under the original five-string two-parallel mode, one linear induction motor stator fails, all five linear induction motor stators on one side of the vehicle will quit operation, the power loss is 50%, and the vehicle side loses driving force completely.
In the two-series-three-parallel form and the two-series-six-parallel form of the linear induction motor stators in the above embodiments 3 and 4, the terminal voltage of each linear induction motor stator is half of the output voltage of the traction inverter, and under the condition that the output voltage of the traction inverter is not changed, the terminal voltage of a single linear induction motor stator in the connection mode is improved by 150% compared with the original five-series-two-parallel form, when a stator winding of one linear induction motor fails, only two linear induction motor stators are caused to quit operation, the loss of driving force is 20%, and it is ensured that two sides of the vehicle have driving force.
In the above embodiments 1 and 3, in the three-string two-parallel form and the two-string three-parallel form of the linear induction motor stator, when one traction inverter fails, the six linear induction motor stator windings exit from operation, the six linear induction motor stators powered by the other traction inverter operate normally, three linear induction motor stators on each side can provide power normally, both sides of the vehicle can have driving capability, and the operation reliability is high.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims (8)

1. A middle and low speed magnetic levitation vehicle running mechanism comprises suspension frames which are connected in sequence, and two sides of each suspension frame are respectively suspended with a linear induction motor stator, the middle and low speed magnetic levitation vehicle running mechanism is characterized in that six suspension frames are provided, twelve linear induction motor stators are symmetrically distributed on two sides of the running mechanism, the six linear induction motor stators on each side of the running mechanism are at least divided into 2 groups, and the linear induction motor stators in each group are respectively connected in series and connected to a vehicle-mounted traction inverter;
the linear induction motor stators on each side of the walking mechanism are divided into four groups according to the following modes:
the linear induction motor stators on each side are firstly divided into two groups according to the arrangement sequence, 3 linear induction motor stators in each group are selected, two adjacent linear induction motor stators are mutually connected in series to form a series group, the linear induction motor stators which are not connected in series in each group are connected in series with the linear induction motor stators which are not connected in series in groups on the opposite side of the walking mechanism to form a series group, 12 linear induction motor stators form 6 series groups, and the 6 series groups are respectively connected to a vehicle-mounted traction inverter.
2. The running mechanism of a medium-low speed magnetic levitation vehicle as recited in claim 1, wherein the linear induction motor stators on each side of the running mechanism are divided into 2 groups according to the arrangement sequence, the three linear induction motor stators in each group are respectively connected in series to form 4 series groups, and each series group is respectively connected to a vehicle-mounted traction inverter.
3. The running mechanism of a medium-low speed magnetic levitation vehicle as claimed in claim 2, wherein the way of connecting 4 series groups with the vehicle-mounted traction inverter is as follows:
the series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected to one vehicle-mounted traction inverter in parallel, the series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected to the other vehicle-mounted traction inverter in parallel, and all linear induction motor stators form a three-series two-parallel mode.
4. The running mechanism of a medium-low speed magnetic levitation vehicle as claimed in claim 2, wherein the way of connecting 4 series groups with the vehicle-mounted traction inverter is as follows:
the 4 series groups are all connected in parallel to a vehicle-mounted traction inverter, and all linear induction motor stators form a three-series-four-parallel mode.
5. The running mechanism of a medium-low speed magnetic levitation vehicle as claimed in claim 1, wherein the 6 series small groups are connected with the vehicle-mounted traction inverter by the following method:
the 3 series groups positioned on the two sides of the front half part of the walking mechanism are respectively connected in parallel to one vehicle-mounted traction inverter, the 3 series groups positioned on the two sides of the rear half part of the walking mechanism are respectively connected in parallel to the other vehicle-mounted traction inverter, and all linear induction motor stators form a two-series-three-parallel mode.
6. The running mechanism of a medium-low speed magnetic levitation vehicle as recited in claim 5, wherein the 6 series small groups are connected with the vehicle-mounted traction inverter by the following method:
the 6 series groups are all connected in parallel to a vehicle-mounted traction inverter, and all linear induction motor stators form a two-series six-parallel mode.
7. The running mechanism of the medium-low speed magnetic levitation vehicle as claimed in claim 1, wherein a head end sliding table (7) and a tail end sliding table (8) are arranged at the head end and the tail end of the running mechanism, a first fixed sliding table (9), a first middle sliding table (11), a second middle sliding table (12), a third middle sliding table (13) and a second fixed sliding table (10) are sequentially distributed between the head end sliding table (7) and the tail end sliding table (8), and 6 suspension frames are sequentially distributed and respectively pinned on two adjacent sliding tables.
8. The running mechanism of a medium-low speed magnetic suspension vehicle according to claim 7, characterized in that a first forced guide mechanism (14) is arranged between the head sliding platform (7) and the first intermediate sliding platform (11), and a second forced guide mechanism (15) is arranged between the tail sliding platform (8) and the third intermediate sliding platform (13).
CN201810089545.2A 2018-01-30 2018-01-30 Medium-low speed magnetic levitation vehicle running mechanism Active CN108466569B (en)

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Publication number Priority date Publication date Assignee Title
CN108859858B (en) * 2018-03-23 2020-02-21 西南交通大学 Medium-speed magnetic levitation traction framework system
CN110435707A (en) * 2019-07-24 2019-11-12 同济大学 A kind of cloth load structure of medium-and low-speed maglev train levitation traction system

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DE3225948A1 (en) * 1982-07-10 1984-01-12 Krauss-Maffei AG, 8000 München LONG STATOR MAGNET
DE3333608A1 (en) * 1983-09-14 1985-03-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Magnetic cushion vehicle of the magnetic cushion train type with long-type stator drive
CN102991519B (en) * 2012-11-30 2016-09-07 常州西南交通大学轨道交通研究院 The running mechanism of middle low speed magnetic suspension vehicle
CN203283235U (en) * 2013-05-20 2013-11-13 常州西南交通大学轨道交通研究院 F track and levitation structure of magnetic-levitation train
CN106740257B (en) * 2016-12-13 2019-03-29 中车株洲电力机车有限公司 A kind of medium-and low-speed maglev train suspension rack working earthing structure

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