CN205130967U - Linear motor drives train - Google Patents
Linear motor drives train Download PDFInfo
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- CN205130967U CN205130967U CN201520873743.XU CN201520873743U CN205130967U CN 205130967 U CN205130967 U CN 205130967U CN 201520873743 U CN201520873743 U CN 201520873743U CN 205130967 U CN205130967 U CN 205130967U
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- linear electric
- electric motor
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- traveling gear
- train
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- 238000003475 lamination Methods 0.000 claims abstract description 8
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a linear motor drives train, including track roof beam, running gear, train body, in running gear located the track roof beam, the running gear bottom had set firmly the train body, running gear includes casing, linear electric motor, transmission and locates chassis bottom's walking wheel, linear electric motor's stator partial fixing is equipped with the power supply rail in the roof below of running gear casing top track roof beam, has the magnetic gap between the linear electric motor stator subtotal power supply rail, linear electric motor stator part bottom is equipped with the stack of laminations, stack of laminations NULL forms the cooling fin structure of not co -altitude layering, and there is the air flue that is used for the stator recooling cooling fin structure below. The utility model discloses a linear electric motor drive need not the wheel, and the suspension motion can reach 80kmhr at a high speed. High -speed moving linear electric motor operation improves functioning speed and vehicle working life.
Description
Technical field
The utility model relates to track train technical field, particularly a kind of linear electric motor train.
Background technology
The traffic of city in modern times is along with the development of society, vehicle increases rapidly, and blocking up appears in surface transportation system, has a strong impact on the trip of people, so there is the subway of underground, the on the ground Rail Transit System such as overhead light rail and magnetic suspension train, form a three-dimensional traffic networks.
But nonetheless, also deficiency is had under particular circumstances, such as: metropolitan existing city will solve ground communications and block up, if repair subway, factors such as considering that underground works has a big risk, invest large (every kilometer cost 5-8 hundred million yuan), the superfluous and operation cost of (about 5 years) long in time limit, capacity is high should be worthless; If repair light rail or magnetic suspension train, except still tearing the problems such as room, noise and view open except repairing those disadvantageous factors of subway.Again such as: in, small city and scenic spot, need freight volume little, the investment ability is less, requires again the common friendship system of safety, quick, environmental protection, obviously selects subway, light rail or magnetic suspension train to be also worthless.
In order to solve and overcome existing subway, light rail and maglev above-mentioned defect, overhead rail train (also known as " empty row ", " mid-air-bus ") concept is arisen at the historic moment." empty row " are suspended on pillar by track in a hanging manner, for train cars travel, track just moves in the air by it, and not as light rail, whole road surface is lifted in the air, there is not road occupying, do not tear room open, welding view, low noise, safety, round-the-clock quick operation, low cost, duration short and construction time is not to advantages such as ground Coherent traffic noise are few.
The driving of current overhead rail train generally adopts rotating driving device, and be subject to the impact of friction coefficient between wheel and track when the shortcoming of rotating driving device is and drives, when there is ratio of slope in the line, friction drag can produce loss.Also some schemes are had to adopt linear electric motor, as the patent No. is: " driving to vehicle, the particularly magnetic suspension train along traveling rail moving " of " 200610075308.8 ".The advantage that rotating driving device compared by linear electric motors is that its tractive force is delivered on moving traffic lane by magnetic field, and motor does not have turning unit, without the need to keeping in repair and free of losses, can carry out the coupling of different capacity.
But present stage is due to comprehensive speed-raising of magnetic suspension train, motor-car.The moving velocity problem of overhead rail train is also a gross appearance of its relative conventional train competitive power.To the acceleration of Floating overhead rail train traveling gear, deceleration and high-speed cruising time traveling gear braking stability be provided with higher requirement.
Utility model content
The purpose of this utility model is to provide a kind of linear electric motor train, adopts linear electric motors to drive, without the need to wheel, and suspended motion, high scooter 80km/hr.The integral type stator module of particular design, heat radiating fin structure is set below stationary part and sets up cooling airway below radiating gill, by the structure design of advantages of simple, the linear electric motors of high-speed operation are cooled, effectively reduce its running temperature, improve durability and the work life of its linear electric motors.The hinged compartment of train at full load under this structure can reach 1.0 ~ 1.4m/s
2acceleration/accel and deceleration/decel and there will not be linear electric motors failsafety.
For achieving the above object, linear electric motor train provided by the utility model, comprise track girder, traveling gear, train body, traveling gear is located in track girder, train body is installed with bottom traveling gear, described traveling gear comprises casing, linear electric motors, driving device and be located at the road wheel of bottom of shell, the stationary part of described linear electric motors is fixed on traveling gear cabinet top, the top board of track girder serves as the magnet rotor yoke of linear electric motors, power rail is provided with below the top board of track girder, magnetic gap is had between linear motor stator electric part and power rail, described linear motor stator electric section bottom is provided with stack of laminations, described stack of laminations is alternately arranged and forms the heat radiating fin structure of differing heights layering, the air flue cooled again for stator is had below heat radiating fin structure.
Further, the air flue that the stationary part of described linear electric motors, heat radiating fin structure and stator cool again is integral type stator module.
Further, be provided with at least two column Connector Clips bottom described integral type stator module, column Connector Clip is connected with the grafting of traveling gear casing.
Further, described power rail is made up of brass, and power rail pointwise is welded on track girder top.Adopt brass as power rail material, can be reached through in high-speed range and drive the necessary high tractive force of reverse load.Reduce the influence power of linear electric motors subsystem stationary part longitudinal end effect.
Further, described stationary part has 13 poles, and stationary part is powered to its line slideway with the frequency of 50Hz, and linear electric motors need line slideway to keep the position of mover in the magnetic field that track produces.
Further, described linear electric motors are powered by straight line power rail, and power taking is reliable.
Further, also comprise the powered drive circuit be arranged on traveling gear, powered drive circuit comprises the inverter system on traveling gear.The vdc of power rail is converted to all adjustable three plase alternating current of amplitude, frequency by the inverter system on traveling gear.Powered drive circuit, by changing voltage and frequency, carrys out the change of controlling magnetic field, realizes the startup of overhead rail train, acceleration and braking.
Like this, overhead rail train is just provided with good marshalling alerting ability and operation comformability, the empties train driven due to linear electric motors has the acceleration and deceleration performance stronger than conventional truck, there is higher stop position control accuracy, therefore different marshalling is more easily realized, high density, the operational mode of automatic Pilot.It can 2-6 flexibly marshalling, adapts to different volume of passenger traffic needs.
The utility model has the advantages that: run with guided vehicle because linear electric motors drive overhead rail train still to adopt empty rail and rubber tire to support, long-term use ripe, safe and reliable track-circuit signalling system to carry out Signal transmissions to monorail train, operation monitoring and centralized dispatching so still can adopt, operation comformability is better.Adopt linear electric machine traction technology, there is excellent tractive performance and hill climbing ability and linear electric motors are can full-automatic unmanned driving's system, its traction power adopts linear electric motors, wheel only plays carrying, the tractive force of train is not subject to the impact of condition of adhering between wheel track, so can obtain excellent tractive performance and hill climbing ability.The maximum grade of its circuit is powerful, is conducive to track profile design, reduces transition phase.Reduce demolition work amount, reduce construction costs.Linear electric motors directly produce electromagnetic push by electric energy, its motion can mechanical contact, substantially reduce mechanical wear, high scooter 80km/hr and more than.The integral type stator module of particular design, heat radiating fin structure is set below stationary part and sets up cooling airway below radiating gill, by the structure design of advantages of simple, the linear electric motors of high-speed operation are cooled, effectively reduce its running temperature, improve durability and the work life of its linear electric motors.The hinged compartment of train at full load under this structure can reach 1.0 ~ 1.4m/s
2acceleration/accel and deceleration/decel and there will not be linear electric motors failsafety.
Accompanying drawing explanation
For the purpose of this utility model, feature and advantage clearlyer can be understood, below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail, wherein:
Fig. 1 is structural representation of the present utility model in an embodiment;
Fig. 2 is that linear electric motors drive monorail train principle schematic.
In the drawings: 1-magnetic gap, the top board of 2-track girder, 3-power rail, 4-stationary part, 5-column Connector Clip, 6-is used for the air flue that stator cools again, 7-heat radiating fin structure, 8-track girder.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 2, the linear electric motor train of the present embodiment, comprise track girder 8, traveling gear, train body, traveling gear is located in track girder 8, train body is installed with bottom traveling gear, described traveling gear comprises casing, linear electric motors, driving device and be located at the road wheel of bottom of shell, the stationary part 4 of described linear electric motors is fixed on traveling gear cabinet top, the top board 2 of track girder serves as the magnet rotor yoke of linear electric motors, power rail 3 is provided with below the top board 2 of track girder, magnetic gap 1 is had between linear motor stator electric part 4 and power rail 3, stack of laminations is provided with bottom described linear motor stator electric part 4, described stack of laminations is alternately arranged and forms the heat radiating fin structure 7 of differing heights layering, the air flue 6 cooled again for stator is had below heat radiating fin structure 7.
Consult Fig. 1, in another embodiment, the air flue 6 that the stationary part 4 of described linear electric motors, heat radiating fin structure 7 and stator cool again is integral type stator module.Be provided with at least two column Connector Clips 5 bottom described integral type stator module, column Connector Clip 5 is connected with the grafting of traveling gear casing.
Consult Fig. 1, in another embodiment, described power rail 3 is made up of brass, and power rail 3 pointwise is welded on track girder 8 top.Adopt brass as the material of power rail 3, can be reached through in high-speed range and drive the necessary high tractive force of reverse load.Reduce the influence power of linear electric motors subsystem stationary part longitudinal end effect.
In another embodiment, also comprise the powered drive circuit be arranged on traveling gear, powered drive circuit comprises the inverter system on traveling gear.The vdc of power rail is converted to all adjustable three plase alternating current of amplitude, frequency by the inverter system on traveling gear.Powered drive circuit, by changing voltage and frequency, carrys out the change of controlling magnetic field, realizes the startup of overhead rail train, acceleration and braking.
Like this, overhead rail train is just provided with good marshalling alerting ability and operation comformability, the empties train driven due to linear electric motors has the acceleration and deceleration performance stronger than conventional truck, there is higher stop position control accuracy, therefore different marshalling is more easily realized, high density, the operational mode of automatic Pilot.It can 2-6 flexibly marshalling, adapts to different volume of passenger traffic needs.
Claims (5)
1. linear electric motor train, comprise track girder, traveling gear, train body, traveling gear is located in track girder, train body is installed with bottom traveling gear, described traveling gear comprises casing, linear electric motors, driving device and be located at the road wheel of bottom of shell, it is characterized in that, the stationary part of described linear electric motors is fixed on traveling gear cabinet top, the top board of track girder serves as the magnet rotor yoke of linear electric motors, power rail is provided with below the top board of track girder, magnetic gap is had between linear motor stator electric part and power rail, described linear motor stator electric section bottom is provided with stack of laminations, described stack of laminations is alternately arranged and forms the heat radiating fin structure of differing heights layering, the air flue cooled again for stator is had below heat radiating fin structure.
2. linear electric motor train according to claim 1, is characterized in that: the air flue that the stationary part of described linear electric motors, heat radiating fin structure and stator cool again is integral type stator module.
3. linear electric motor train according to claim 2, is characterized in that: be provided with at least two column Connector Clips bottom described integral type stator module, and column Connector Clip is connected with the grafting of traveling gear casing.
4. linear electric motor train according to claim 3, it is characterized in that: described power rail is made up of brass, power rail pointwise is welded on track girder top.
5. the linear electric motor train according to any one of Claims 1-4, is characterized in that: described stationary part has 13 poles, and stationary part is powered to its line slideway with the frequency of 50Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873743.XU CN205130967U (en) | 2015-11-04 | 2015-11-04 | Linear motor drives train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873743.XU CN205130967U (en) | 2015-11-04 | 2015-11-04 | Linear motor drives train |
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| Publication Number | Publication Date |
|---|---|
| CN205130967U true CN205130967U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520873743.XU Active CN205130967U (en) | 2015-11-04 | 2015-11-04 | Linear motor drives train |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253031A (en) * | 2015-11-04 | 2016-01-20 | 上海空列轨道技术有限公司 | Linear motor drive train |
| CN113696914A (en) * | 2021-09-29 | 2021-11-26 | 中车成都机车车辆有限公司 | Rail vehicle actuating mechanism |
-
2015
- 2015-11-04 CN CN201520873743.XU patent/CN205130967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253031A (en) * | 2015-11-04 | 2016-01-20 | 上海空列轨道技术有限公司 | Linear motor drive train |
| CN113696914A (en) * | 2021-09-29 | 2021-11-26 | 中车成都机车车辆有限公司 | Rail vehicle actuating mechanism |
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