CN110182056A - A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train - Google Patents

A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train Download PDF

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Publication number
CN110182056A
CN110182056A CN201910521116.2A CN201910521116A CN110182056A CN 110182056 A CN110182056 A CN 110182056A CN 201910521116 A CN201910521116 A CN 201910521116A CN 110182056 A CN110182056 A CN 110182056A
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CN
China
Prior art keywords
suspension
rail
electromagnet
plate
electromagnets
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CN201910521116.2A
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Chinese (zh)
Inventor
皇甫贵田
李俊叶
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Shanxi Zhonghai Weiwei Rail Transit Engineering Co Ltd
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Shanxi Zhonghai Weiwei Rail Transit Engineering Co Ltd
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Priority to CN201910521116.2A priority Critical patent/CN110182056A/en
Publication of CN110182056A publication Critical patent/CN110182056A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L13/00Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04Magnetic suspension or levitation for vehicles

Abstract

The invention discloses a kind of tripartite system Hybrid suspension of electromagnets and permanent magnets systems for suspension type magnetic-levitation train, the driving unit of traction power is provided including the suspension rail by 4 suspension strut of support column and the train unit operated on rail and for train unit, the suspension rail has the railway box girder (200) for being fixed on each support column and extending along operating path.Railway box girder (200) box inside has the suspension rail (201) and two guided ways of distribution in the shape of " pin ";There are two levitating electromagnet and a suspending permanent magnets for the setting of face suspension rail position on the length direction of suspension stringer.Whole system has structure simple, the feature of small size, low cost, can serve the demand of passenger transport between sight spot sightseeing, building under the small freight volume service condition of low speed such as traffic, can be used as one kind effectively supplement of modern railway transportation standard, has broad application prospects.

Description

A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train
Technical field
The present invention relates to technical field of rail traffic, in particular to a kind of tripartite system electromagnetism for suspension type magnetic-levitation train Permanent magnetism hybrid suspension system.
Background technique
Suspension type magnetic-levitation train is a kind of New Schemes track vehicle, the urban track traffic system as a kind of diversification System can serve multilevel traffic, the supplement traffic of overhead grade separation etc. of tourist district gone sightseeing between visiting scienc spot, city building, rely on Its own plurality of advantages is estimated will wide development and application prospect in China.Currently, existing suspension type monorail vehicle To reach noise reduction purpose, travelling wheel mostly uses greatly rubber tire.And travelling wheel vehicle gravity itself, during actual operation The abrasion of rubber tire are more serious, in turn result in system operation maintenance cost and increase.In consideration of it, as outstanding in realized using magnetic suspension mode Hanging traffic can optimize the problem three kinds of approach: first is that by way of by vehicle suspension and noncontact driving, so that vehicle Entirely without direct Mechanical Contact between track, mechanical shock and abrasion occurs to avoid rubber tire and track running face;Second is that By way of suspension loss of weight, reduce the normal pressure between rubber tire and track, realizes and reduce mechanical shock suffered by rubber tire and rub Resistance is wiped, achievees the purpose that the service life for increasing rubber tire, is suitable for slow traffic;Third is that passing through vehicle suspension realization and track It is non-contact, it is driven by rubber tire side-contact type and realizes traveling, in this manner, rubber tire undertakes the task of driving and guiding, But due to the self weight for not undertaking vehicle, so frictional force is also effectively reduced, plays the role of increasing the rubber tire service life, be also applied for low Fast traffic.Currently, there are not actual suspension type maglev test car and engineering truck yet, the gentle penetrating judgment of great Zhai is handed in Israel and domestic southwest The suspension type magnetic for awarding team's proposition floats scheme and is based on above-mentioned first way, and the suspension type magnetic for researching and developing multiple types is floating Train is urgent and beneficial to diversification traffic and future transportation Mode exploration.
Summary of the invention
Based on above-mentioned first way, the invention proposes a kind of tripartite system electromagnetic permanents for suspension type magnetic-levitation train Magnet mixing suspended system.Its main feature is that simple and compact for structure, size is small, and suspending power is strong, and construction difficulty is low, and construction cost is low.
Technical scheme is as follows:
A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train, including hung by support column 4 The suspension rail of support and the train unit operated on rail and the driving unit of traction power, institute are provided for train unit Stating suspension rail has the railway box girder 200 for being fixed on each support column and extending along operating path.In 200 cabinet of railway box girder Side has the suspension rail 201 and two guided ways of distribution in the shape of " pin ";The box beam cabinet has top plate and is respectively perpendicular to The side plate of top plate two sides;Plate shaped suspension rail 201 connects firmly on top plate between the side plates;Side plate interior sides have been symmetrically arranged Limit beam 203;Right guided way (212) and left guided way (213) are placed in the side plate interior sides of the lower section of limit beam.
In train unit, car body 3 is connected on suspension rack by secondary suspension system 5 thereon;The suspension rack has The cross section of suspension stringer 108, suspension stringer 108 is T-shaped, including transverse slat and riser;Transverse slat is located at 200 upper limit of railway box girder The top of beam 203 and its width are greater than the intermediate gaps width of limit beam;Along the two sides of riser in the length side of suspension stringer 108 It is equipped with former and later two levitating electromagnets and two guiding electromagnet groups respectively upwards;Front end levitating electromagnet 111 and rear end suspend 201 position of face suspension rail on the length direction of suspension stringer of electromagnet 112 is arranged, and levitating electromagnet and its electric current of control are big Small suspension controller connection;Each guiding electromagnet group has two guiding electromagnets in left and right, two guiding electromagnet difference Thirty years of age of formation electromagnetic coupling provides guiding for floating unit relatively and anti-side turns over power with right guided way 212 and left guided way 213;It is outstanding Floating electromagnet unit is connect with the suspension controller for controlling its size of current, and each suspension controller receives suspended sensor and perceived Suspension rack and plate suspension rail relative altitude signal and the distance signal with each guided way;The middle part of suspension stringer, in front end Position between levitating electromagnet 111 and rear end levitating electromagnet 112 is provided with suspending permanent magnet 113.
Using structure as above, suspension rail is fixedly mounted on table on the inside of the railway box girder of suspension type magnetic levitation train system Face center position, two guided ways are respectively and fixedly installed to two medial surface of railway box girder of suspension type magnetic levitation train system, and two Levitating electromagnet is fixed on the both upper ends thereof of suspension rack, and permanent magnet is fixed among the top of suspension rack, two guiding electromagnets The two sides of suspension rack are fixed on, suspension controller, guide controller, suspended sensor and orientation sensor are installed in suspension rack On, suspension distance value that suspension controller is provided according to suspended sensor controls the size of current of input levitating electromagnet, leads The size of current of input guiding electromagnet is controlled according to the guiding distance value that orientation sensor provides to controller.Suspension electromagnetism Iron and permanent magnet collectively form hybrid levitation device, provide suspending power jointly, and the suspending power that wherein permanent magnet provides is suspending It is fixed and invariable in the case where constant, electromagnet provides variable suspending power, and then it is whole to influence mix suspending device Suspending power, reach with load gravitational equilibrium, realize suspension function.Two can provide the guiding electromagnet phase of variable guiding force Interaction guarantees that suspension system is in the position hit exactly in railway box girder.
Further, the cross sectional shape of suspension rail 101, guided way 102 and guided way 103 is rectangle.The suspension Electromagnet and permanent magnet, section are " u "-shaped.
Using structure of the invention, it can be used to serve one kind and be suitable for sight spot sightseeing, the application neck such as traffic between building The floated magnetic floating traffic tool of the low speed operation in domain has structure simple, and size is small, the strong feature of suspending power.Meanwhile rail Road beam bridge pier land occupation amount is small and system right of way is independent, therefore can effectively reduce the cost of engineering-built.
Detailed description of the invention
The side view of Fig. 1 overall system architecture.
Fig. 2 is the K-K sectional view in system comprising levitating electromagnet structure.
Fig. 3 is the T-T sectional view in system comprising permanent magnetism iron construction.
Fig. 4 is the schematic cross-section of U-typed electromagnet and permanent magnet.Wherein, figure a is electromagnet;Figure b is permanent magnet.
Fig. 5 is the schematic cross-section of guiding electromagnet
Specific embodiment
A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train of the present invention, is mainly used for small micro- Type suspension type magnetic-levitation train serves scenic spot sightseeing, the fields such as traffic between building.
As shown in Figure 1, Figure 2, Fig. 3, a kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train, arrangement Suspension type magnetic levitation train system is mounted on to obtain in railway box girder.
It is wrapped as shown in Figure 1, Figure 2 with Fig. 3, separate type three rail suspension and drive system of the present invention for suspension type magnetic-levitation train It includes the suspension rail by 4 suspension strut of support column and the train unit operated on rail and provides traction for train unit and move The driving unit of power, the suspension rail have the railway box girder 200 for being fixed on each support column and extending along operating path.Rail Box beam 200 box inside in road has the suspension rail 201 and two guided ways 212 of distribution in the shape of " pin ", left guided way 213.Institute Box beam cabinet is stated with top plate and the side plate for being respectively perpendicular to top plate two sides;Plate shaped suspension rail 201 connects firmly between the side plates Top plate on;Side plate interior sides have been symmetrically arranged limit beam 203;Right guided way 212 and left guided way 213 are placed in limit beam The side plate interior sides of lower section;
Component in figure: floating unit 100, suspension rail 201, right guided way 212, left guided way 213,
Suspension stringer frame 108, levitating electromagnet 112, permanent magnet 113, guiding electromagnet 121, is led at levitating electromagnet 111 To electromagnet 122, suspension controller 131, suspension controller 132, guide controller 141, guide controller 142, suspend sensing Device 151, suspended sensor 152, orientation sensor 161, orientation sensor 162.It is floating that suspension rail 201 is fixedly mounted on suspension type magnetic The inside upper surface center position of the railway box girder of train system, two guided ways are fixedly mounted on suspension type magnetic levitation train system Two medial surface of railway box girder, levitating electromagnet (111 and 112) is fixed on the both upper ends thereof of suspension, and permanent magnet 113 is fixed on outstanding Among the top of scaffold, guiding electromagnet (121 and 122) is fixed on the two sides of suspension rack, and suspension controller (131 and 132) is led To controller (141 and 142), suspended sensor (151 and 152), orientation sensor (162 and 162) is installed on suspension rack, The electric current that suspension controller 131 controls input levitating electromagnet 111 according to the suspension distance value that suspended sensor 151 provides is big Small, suspension controller 132 controls the electricity of input levitating electromagnet 112 according to the suspension distance value that suspended sensor 152 provides Size is flowed, guide controller 141 controls input guiding electromagnet 121 according to the guiding distance value that orientation sensor 161 provides Size of current, guide controller 142 controls input levitating electromagnet according to the guiding distance value that orientation sensor 162 provides 122 size of current.
Levitating electromagnet and permanent magnet collectively form hybrid levitation device, provide suspending power jointly, wherein permanent magnet mentions The suspending power of confession suspend apart from it is constant in the case where be fixed and invariable, electromagnet provides variable suspending power, and then influences The suspending power of mix suspending device entirety reaches the gravitational equilibrium with load, realizes suspension function.Two can provide variable guiding The guiding electromagnet of power interacts, and guarantees that suspension system is in the position hit exactly in railway box girder.
Three tracks include two guided ways of a suspension rail, and section is rectangle structure, levitating electromagnet and guiding Electromagnet is all made of "u"-shaped.
Such as Fig. 4, it is long 200mm that section, which is the sectional dimension of rectangular suspension rail, wide 25mm, and suspension rail length is 2500mm.The sectional dimension of U-typed levitating electromagnet is long 200mm, wide 125mm, the wide 25mm of magnetic pole, and single levitating electromagnet is long Degree is 1000mm, and permanent magnet section is having a size of long 300mm, wide 125mm, the long 120mm of permanent magnets therein, wide 60mm, and magnetic pole is wide 25mm, permanent magnet length are 1000mm;The material of suspension rail and levitating electromagnet magnetic pole and permanent magnetism magnetic pole iron is Q235, forever Magnet selects Nd-Fe-B permanent magnet material, and the sectional dimension that electromagnetism iron wire packet fills copper wire is 100mm*150mm, copper wire in electromagnet Filling rate select 60%, select every square millimeter of maximum by way of 1.6A electric current, select to suspend apart from being 8mm.
Show that two electromagnetism resultant forces between levitating electromagnet and suspension rail are 36562N by Finite Element Simulation Analysis, it can Conversion is 3656Kg.Electromagnetism resultant force between permanent magnet and suspension rail is 3075N, and can convert resultant force is 308Kg.So suspension system System amounts to the suspending power for capableing of 3964Kg, the weight of hybrid suspension system and car body are as follows: suspension rack gross weight is 1600Kg or so, vehicle Body gross weight is 1100Kg or so, and car body design has the space of a driver and four passengers, and load-carrying is set as 600Kg, in this way, The weight of integrated suspension adds up to 3300Kg, is less than 3964Kg.As it can be seen that designed suspension system is fully able to burden vehicle weight Amount.Size such as Fig. 5, two guided ways is consistent, and it is long 150mm, wide 10mm that section, which is the sectional dimension of rectangular guided way, Guided way length is 2500mm.The sectional dimension of U-typed guiding electromagnet be long 100mm, wide 45mm, the wide 10mm of magnetic pole, individually Guiding electromagnet length is 1000mm, and the material of guided way and guiding electromagnet magnetic pole is Q235, and electromagnetism iron wire packet fills copper The sectional dimension of line is 80mm*35mm, and the filling rate of copper wire selects 60% in electromagnet, and every square millimeter of maximum is selected to pass through 1.6A The mode of electric current, selective guide distance are 10mm.
Show that two electromagnetism resultant forces between guiding electromagnet and guided way are 845N, can be rolled over by Finite Element Simulation Analysis Calculating is 85Kg.When suspension rack is in center position in suspension box beam, the obstructed electric current of two guiding electromagnets, at this time without leading Xiang Li, when suspension rack run-off the straight, guiding electromagnet is powered according to the inclined degree that orientation sensor reflects, and guarantees to suspend Frame is restored to center position.
As seen from the above analysis, designed Hybrid suspension of electromagnets and permanent magnets system is capable of providing sufficient suspending power.Work as suspension Controller provides the electric current of suitable size for levitating electromagnet, hangs so that the suspension suction that hybrid suspension system integrally generates is equal to The self weight of scaffold and car body, so that it may realize suspension function, while can prevent suspension rack from turning on one's side using guiding electromagnet The case where.
In conclusion a kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train of the present invention, whole A system has structure simple, and small size uphangs the characteristics of floating capacity.One kind can be used to serve and be suitable for sight spot sightseeing, The floated magnetic floating traffic tool of the low speed operation of the application fields such as traffic between building.

Claims (2)

1. a kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train, including branch is hung by support column 4 The suspension rail of support and the train unit operated on rail and the driving unit of traction power is provided for train unit, it is described Suspension rail, which has, to be fixed on each support column and along the railway box girder (200) of operating path extension it is characterized in that, track box Beam (200) box inside has the suspension rail (201) and two guided ways of distribution in the shape of " pin ";The box beam cabinet has top Plate and the side plate for being respectively perpendicular to top plate two sides;Plate shaped suspension rail (201) connects firmly on top plate between the side plates;In side plate Side has been symmetrically arranged limit beam (203);Right guided way (212) and left guided way (213) are placed in the side of the lower section of limit beam On the inside of plate;
In train unit, car body (3) is connected on suspension rack by secondary suspension system (5) thereon;The suspension rack has The cross section of suspension stringer (108), suspension stringer (108) is T-shaped, including transverse slat and riser;Transverse slat is located at railway box girder (200) It limits the top of beam (203) and its width is greater than the intermediate gaps width of limit beam;Along the two sides of riser in suspension stringer (108) Length direction on be equipped with former and later two levitating electromagnets and two guiding electromagnet groups respectively;Front end levitating electromagnet (102) Face suspension rail (201) position is arranged on the length direction of suspension stringer with rear end levitating electromagnet (103), levitating electromagnet It is connect with the suspension controller for controlling its size of current;Each guiding electromagnet group, which has, controls two guiding electromagnets, and two Guiding electromagnet mentions respectively with right guided way (212) and left guided way (213) with respect to thirty years of age of formation electromagnetic coupling for floating unit Power is turned over for guiding and anti-side;Levitating electromagnet unit is connect with the suspension controller for controlling its size of current, each suspension controller Receive the suspension rack and plate suspension rail relative altitude signal and the distance signal with each guided way that suspended sensor is perceived;It is outstanding The middle part of floating stringer, the position between front end levitating electromagnet (111) and rear end levitating electromagnet (112) are provided with suspension forever Magnet (113).
2. a kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train as described in claim 1, It is characterized in that, the cross sectional shape of suspension rail (201), guided way (212) and guided way (213) is rectangle.
CN201910521116.2A 2019-06-17 2019-06-17 A kind of tripartite system Hybrid suspension of electromagnets and permanent magnets system for suspension type magnetic-levitation train Pending CN110182056A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113212466A (en) * 2021-05-19 2021-08-06 西南交通大学 Mixed weight-reducing linear driving suspension type train

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113212466A (en) * 2021-05-19 2021-08-06 西南交通大学 Mixed weight-reducing linear driving suspension type train

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