KR20150138115A - Worm magnetic levitation train system - Google Patents

Worm magnetic levitation train system Download PDF

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Publication number
KR20150138115A
KR20150138115A KR1020150076636A KR20150076636A KR20150138115A KR 20150138115 A KR20150138115 A KR 20150138115A KR 1020150076636 A KR1020150076636 A KR 1020150076636A KR 20150076636 A KR20150076636 A KR 20150076636A KR 20150138115 A KR20150138115 A KR 20150138115A
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KR
South Korea
Prior art keywords
rack
worm gear
worm
support
disposed
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Application number
KR1020150076636A
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Korean (ko)
Inventor
남 영 김
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남 영 김
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Application filed by 남 영 김 filed Critical 남 영 김
Publication of KR20150138115A publication Critical patent/KR20150138115A/en

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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
    • B60L13/04—Magnetic suspension or levitation for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/08—Sliding or levitation systems

Abstract

A rack comprising a plurality of rack teeth disposed along the track and a rack magnet disposed on each rack tooth; And a worm gear including a rack magnet and a worm gear magnet which maintains a magnetic gap between the worm gear and the worm gear, the worm gear and the worm gear being arranged between the rack teeth and the line direction and the rotation axis; And a worm drive propulsion unit including a worm gear mounted rotatably so that the worm gear is driven by the worm gear in a state in which the worm gear is kept in a self-spaced state by the rack magnet and the worm gear magnet, Warm magnetic levitation trains with vehicles run along the track.

Description

[0001] WORM MAGNETIC LEVITATION TRAIN SYSTEM [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic levitation train, and more particularly, to a worm magnetic levitation train system that does not use a general linear motor.

Magnetic levitation trains are trains operated in the air by magnetic force. Magnetic levitation trains utilize magnetic forces acting on each other to attract and attract each other and to act repulsively to repel each other.

For example, if the N pole is located at the bottom of a train, the N pole at the bottom of the train, and the S pole at the front of the train, trains are driven by the attraction between the N pole of the train and the S pole of the track. At this time, if the N pole and S pole of the line are exchanged quickly, the train is continuously driven. Since this principle is the same as the principle of an electric motor, such a device is called a linear motor or a linear motor. The linear motor performs a linear motion unlike a general motor that performs rotational motion.

Although linear motors are simple in structure and can control precise linear position, they are technically difficult to be used for long-distance lines that are exposed to the external environment, and in reality, they are mainly installed for a short distance . Magnetic levitation trains, led by Germany and Japan, were first commercialized by Germany in 2002, a magnetic levitation train at a speed of 430 km / h in a 32 km section connecting Shanghai and Pudong airports in China. It is a sluggish situation.

In addition, magnetic levitation trains using superconductors are also being tried. However, since the levitation height is about 10 cm, stability and reliability are high, but they can not be lifted at low speed, requiring a separate supporting mechanism and difficulty in practical application of high temperature superconductors It is expected that commercialization will take time.

Also, a new concept of tube magnetic levitation train is disclosed in Korean Patent Registration No. 10-1015170, but the development cost is high and it is evaluated as a technology that can be commercialized by about 2050.

The present invention provides a worm magnetic levitation train system that can simplify the principle of magnetic levitation propulsion more than the conventional linear motor system, increase safety and economical efficiency, and can be practically commercialized in a short period of time.

According to one exemplary embodiment of the present invention, a rack comprising a rack magnet disposed in each rack tooth and a plurality of rack teeth disposed along the line; And a worm gear including a worm gear magnet which is parallel to the line direction and the rotation axis and keeps the rack magnet and the magnetic gap at a plurality of worm teeth and worm teeth arranged between the rack teeth; And a worm drive propulsion unit including a worm gear mounted rotatably so that the worm gear is driven by the worm gear in a state in which the worm gear is kept in a self-spaced state by the rack magnet and the worm gear magnet, Warm magnetic levitation trains with vehicles run along the track.

The rack magnets are disposed on the front and rear surfaces of the rack teeth, and the worm gear magnets are also disposed on the front and rear surfaces of the worm tooth, and the rack magnets and the worm gear magnets correspond to each other with the same polarity, so that the rack magnets and the worm gear magnets can maintain mutual magnetic separation.

Further, a rack support base mounted on each of the rack teeth, a rack support base on which the electrodes are disposed at both ends, a room support base below the cabin, and both ends of the rack support and the room support base The same electrode can be disposed, so that the in-room vehicle can maintain a magnetic separation state on the rack supporter.

In addition, the electrodes disposed at both ends of the cabin support are provided in the shape of wrapping the electrodes disposed at both ends of the rack supporter on the top, bottom, and sides, thereby preventing derailment of the cabin vehicle moving on the line.

For reference, a worm drive propulsion support rod is further disposed below the warm drive propulsion unit, and the same electrode is disposed on both ends of the rack support and the warm drive propulsion support to maintain mutual magnetic separation, The magnetic separation can be maintained.

The worm drive propulsion unit may include a drive motor for rotating the worm gear inside or outside the worm gear.

The worm drive propulsion unit includes a cylindrical worm gear body for providing a worm tooth of the worm gear and a drive unit for rotating the worm gear body inside the worm gear body. The drive unit is mounted on the inner surface of the worm gear body corresponding to the stator and the stator mounted on the rotation shaft And the worm gear body can rotate about the rotation axis by the interaction of the stator and the rotor.

Further, the rack teeth and the rack magnets are coupled to each other in a trapezoidal shape, and the worm teeth and the worm gear magnets are mutually coupled and arranged so as to maintain magnetic spacing between the rack teeth in an inverted trapezoidal shape. For reference, it is possible to provide a structure in which a trapezoidal shape can be supported from below for magnetic levitation.

Also, the racks and the lines can be kept vertically spaced apart to prevent snow, rain, and various foreign substances falling on the rack from flowing into the spaced spaces and affecting the operation of the cabin.

For reference, in the present invention, the electrodes arranged at both ends of the rack magnet, the worm gear magnet, the rack supporter, the electrodes disposed at both ends of the room supporter, and the electrodes provided at both ends of the warm supporter supporter are electromagnets or permanent magnets Can be used.

Magnetic levitation trains adopting the conventional linear motor method instantaneously change the N pole and the S pole instantaneously to generate magnetic levitation and propulsion simultaneously. Precision control for this can degrade the safety of the system. Although it is possible to precisely control the poles of several hundreds of magnets per second even in a short test period, even if one of the many magnets malfunctions in a long-distance section exposed to the natural environment, Lt; / RTI > On the other hand, in the worm magnetic levitation train system of the present invention which excludes the linear motor and adopts the circular motor type worm gear, there is little problem in the long-term operation of the worm gear, and the size of the linear motor can be reduced as compared with a linear motor in which the entire line is equivalent to one large motor Do.

Further, in the warm magnetic levitation train system according to the present invention, the magnets for magnetic levitation and the motive power for propulsion are separated from each other, and the magnets for magnetic levitation simply have to maintain repulsive force with the same polarity, It does not require a high degree of control. That is, in the warm magnetic levitation train system according to the present invention, the worm drive propulsion unit corresponding to the circular motor is adopted, so that the propulsion is simply performed by the rotation of the worm gear.

In addition, the rack which is installed to be inclined with respect to the upper surface of the line and which is spaced apart from the bottom of the line by a predetermined distance may not obstruct the operation even if snow, rain or various foreign substances flowing down to the slope of the rack are accumulated. These worm magnetic levitation trains are expected to be safe from long distances of hundreds to thousands of kilometers exposed to the natural environment.

If the worm gear of a worm magnetic levitation train is 3 m in diameter and the worm interval, ie, the pitch of the rack is 2 m, if the RPM of the worm motor is increased to 10,000, the speed of the worm magnetic levitation train is 20 km / min do. This corresponds to 1,200 km / h per hour, which is close to the speed of a supersonic jet. Magnetic levitation trains running at this speed can reach from Seoul to Busan in 20 minutes.

The worm magnetic levitation train system according to the present invention is expected to solve the part where existing magnetic levitation trains are difficult to commercialize and will speed up the era of magnetic levitation trains which is a national task in the 21st century.

1 is an enlarged view of a worm magnetic levitation train system and a worm drive propulsion unit according to an embodiment of the present invention disposed on a line;
2 is a structural view of the worm drive propulsion unit.
3 is a view showing a state in which a rack and a worm gear of a worm magnetic levitation train system are engaged with each other in a magnetic separation state in an embodiment of the present invention.
Figure 4 shows a state in which the worm drive propulsion unit is self-spaced by a worm drive propulsion support and a rack support, a state in which the cabin is separated by a cabin support and a rack support, and a cabin is connected to the worm drive proponent FIG.
5 is a detailed view for explaining the principle of magnetic separation of rack and worm gears in a worm drive propulsion unit, in which rack teeth and worm teeth are provided in a trapezoidal electromagnet module.
6 is a detailed view for explaining the principle that a room vehicle of a warm magnetic levitation train is magnetically levitated from a rack support coupled to rack teeth.
7 is a detailed view showing a system for partially supplying power to a wormless electromagnet module of a worm gear and a gearless motor coupled to the inside of a worm gear of a worm drive propulsion unit in a warm magnetic levitation train system according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments. For reference, the same numbers in this description refer to substantially the same elements and can be described with reference to the contents described in the other drawings under these rules, and the contents which are judged to be obvious to the person skilled in the art or repeated can be omitted.

1 is an enlarged view of a worm magnetic levitation train system and a worm drive propulsion unit according to an embodiment of the present invention disposed on a line; 2 is a structural view of the worm drive propulsion unit. 3 is a view showing a state in which a rack and a worm gear of a worm magnetic levitation train system are engaged with each other in a magnetic separation state in an embodiment of the present invention. Figure 4 shows a state in which the worm drive propulsion unit is self-spaced by a worm drive propulsion support and a rack support, a state in which the cabin is separated by a cabin support and a rack support, and a cabin is connected to the worm drive proponent FIG. 5 is a detailed view for explaining the principle of magnetic separation of the rack and the worm gear in the worm drive propulsion unit, in which rack teeth and worm teeth are provided in a trapezoidal electromagnet module, and FIG. 6 is a view showing a worm- Is a detailed view for explaining the principle of magnetic levitation from a rack support coupled to the rack teeth. 7 is a detailed view showing a system for partially supplying power to a wormless electromagnet module of a worm gear and a gearless motor coupled to the inside of a worm gear of a worm drive propulsion unit in a warm magnetic levitation train system according to an embodiment of the present invention.

Referring to Figs. 1 to 7, the worm magnetically levitated trains can move along the railway 10. The track 10 may include a rail that is generally arranged in two rows and a sleeper that supports the rail.

The worm magnetic levitation train system includes a rack 110 and a worm drive propulsion unit 120 installed along the track. The rack 110 is disposed along the rail of the rail and the rack support 118 is installed for each rack 110. More specifically, the rack 110 includes a worm drive portion 120 and a cabin 130 may be a worm magnetic levitation train traveling on the line.

The rack 110 includes rack teeth 112 mounted on the rails of the track and arranged along the rails, a rack magnet 114 mounted on each rack tooth 112, and rack teeth 112, And a rack separator 116 for spacing and arranging the plurality of racks.

The worm drive unit 120 has a worm gear 121 and a support frame 125. The worm gear 121 has a plurality of worms 122 arranged between the rack teeth 112, And a worm gear magnet 123 for holding the rack magnet 114 and the magnetic worm 122 in a self-spaced state. The worm wheel 121 is rotatably mounted on the support frame 125 and the cabin 130 is connected to the support frame 125 so that the worm wheel 121 can be rotated along the track.

In the present embodiment, the rack teeth are arranged at regular intervals along the rail of the line, but the rack teeth are arranged such that the worm drive propulsion part is moved to engage with the rack teeth when the worm gear is rotated. .

Hereinafter, the state in which the worm drive propulsion unit floats on the line will be described in detail.

5, the rack magnets 114 have different N-poles and S-poles respectively disposed on the front and rear surfaces of the rack teeth 112, and the worm gear magnet 123 is in a state of being self-spaced from the rack magnets 114 And N poles and S poles respectively disposed on the front and rear surfaces of the worm tooth 122 so as to maintain the worm tooth 122. Specifically, the magnets can be arranged so that the magnetic pole of the rack teeth 112 and the magnetic pole of the worm tooth 122 correspond to each other with the same polarity, and the rack magnets 114 and the worm gear magnets 123 can maintain mutual magnetic separation And the room vehicle 130 can be moved back and forth as the worm gear 121 rotates with the rack magnet 114 and the worm gear magnet 123 retaining the original stimulus.

The worm drive propulsion unit 120 can maintain mutual spacing by the repulsive force of the worm drive propulsion support 128 and the rack support 118 connected to the lower portion of the support frame 125. This will be described in detail with reference to FIG. As can be seen from FIG. 4, rack supports 118 are disposed on each of the rack teeth 112, and different types of electrodes (N-pole and S-pole) are disposed at both ends of the rod-shaped rack support.

A worm driving pushing portion support 128 is mounted on a lower portion of the support frame 125 of the warm driving pushing portion 120 and electrodes are disposed on both ends of the rack supporting portion 118 and the warm driving pushing portion support 128 The same electrode is disposed at the ends of the rack support 118 and the warm drive support support 128 facing each other so that the worm drive pusher 120 can maintain a magnetic separation on the rack support 118 have.

In addition, the electrodes disposed at both ends of the warm drive propulsion support rods 128 are provided in the shape of wrapping up and down the electrodes of the rack support rods 118 to prevent derailment of the worm drive propulsion rods 120 moving in the lines have.

For reference, in this embodiment, the rack support 118 and the worm drive pusher support 128 are provided as electromagnet modules, with both ends provided with different electrodes, and the rack support 118 and the worm drive pusher support 128 May be provided in the form of a bar shaped electromagnet and the rack support 118 and the worm drive propulsion support 128 may be provided in a separate structure that provides a basic skeleton and provides an N pole at one end and an S pole at the other It may also include bar magnets.

When a linear motor (or a linear motor) is used to advance a magnetic levitation train, if the direction of the current flowing through the coil is changed, a magnetic force is applied between the train and the line, It is periodically changed by repulsion. Therefore, if the frequency of alternating current flowing in the coil is adjusted according to the traveling speed of the train, the train can continuously apply only the force in the traveling direction.

However, the worm magnetic levitation train according to the present embodiment does not use a linear motor. Therefore, it is possible to eliminate the complicated control process of changing the direction of the current flowing through the coils of the linear motor electromagnet modules formed along with the lines.

In the worm magnetic levitation train system according to the present invention, the train is floated by using the rack magnet 114 and the worm gear magnet 123, and the worm gear 121 is rotated to provide the propulsion force, And the force of propelling in the movement direction of the line are separately operated. That is, the magnets for magnetic levitation and magnetic separation and the motive power for propulsion are separated from each other. Therefore, the magnets for magnetic levitation and magnetic separation need to be maintained only in a state where they are being pushed to the same pole, and there is no need for highly precise operation to alternately turn the N pole and S pole of the magnet instantaneously for propulsion as in a linear motor.

Then, the worm gear 120 is simply driven by a circular motor of the worm drive propelling unit 120 that rotates the worm gear 121. The driving principle of the worm magnetic levitation trains can fundamentally overcome the instability of the linear motor in terms of safety of the system.

The worm driving unit may include a separate driving motor for rotating the worm gear inside or outside the worm gear. In this embodiment, the worm driving driving unit 120 includes a worm gear driving unit And a driving unit for rotating the worm gear body 124 inside the worm gear body 124. The driving unit includes a stator 126 mounted on a rotating shaft, and a driving unit for rotating the worm gear body 124. The cylindrical worm gear body 124, And a rotor 127 mounted on the inner surface of the worm gear body 124 in correspondence with the stator 126. The worm gear body 124 is rotatably supported by the stator 126 and the rotor 127, . The power source can be drawn through the outer line 129.

The worm gear body 124 is provided in a hollow form so that the driving motor formed inside the worm gear body 124 includes two pairs of stator 126 and rotor 127. [ Both ends of the worm gear body 124 can be rotatably mounted on the rotary shaft using bearings. The stator 126 and the rotor 127 may be provided through a combination of a magnet and a coil, a combination of a coil and a coil, or the like. Of course, the coil rotor can also be provided in the form of an iron core rather than a coil. The rotational torque and the rotational speed can be appropriately adjusted by using two or more pairs of stator and rotor, and generation of inductive power according to the rotation of the worm gear body can also be expected.

Hereinafter, the state in which the cabin is self-floated on the line will be described in detail. As can be seen in FIG. 4, rack supports 112 are disposed on each of the rack teeth 112, and different types of electrodes are disposed at both ends.

A room support 138 is mounted on the lower portion of the cabin 130 and electrodes are disposed on both ends of the rack support 118 and the room support 138 such that the rack support 118 and the room support 138 The same type of electrode is disposed at the ends of the rack support 118 and the room support 138, which are vertically opposed to each other to maintain their magnetic separation. So that the cabin vehicle 130 can maintain its magnetic separation on the rack support 118.

In addition, the electrodes disposed at both ends of the cabin support rods 138 are provided in the shape of wrapping the ends of the rack support rods 118 on the upper and lower sides so as to prevent derailment of the cabin vehicles 130 moving on the ropes.

For reference, in this embodiment, the rack support 118 and the room support 138 are provided as electromagnet modules so that both ends are provided with different electrodes, and the rack support 118 and the room support 138 itself are provided with rod- And the rack support 118 and the room support 138 may include separate bar magnets that provide only a basic framework and provide different electrodes at both ends.

5, the rack teeth 112 to which the rack magnets are coupled and the worm teeth 122 to which the worm gear magnets 123 are coupled are formed in a trapezoidal shape.

Accordingly, when the rack teeth 112 and the worm teeth 122 meet in a magnetic gap, the trapezoidal shape of the inverted trapezoid is superimposed on each other, and a heavy worm gear against gravity can be levitated.

The rack 110 exposed to the natural environment over a long distance is formed to be inclined with respect to the road surface of the line 10. The rack teeth 112 are arranged in space on the line by the rack spacers 116 Therefore, a drainage passage is provided to prevent snow, rain, and various foreign substances flowing down to the slope of the rack from accumulating, thereby preventing the vehicle from being hindered.

The worm magnetically levitated trains are basically provided with a power supply device for supplying electric power to the passenger compartment in an inductive power mode, and may further include auxiliary wheels or an auxiliary roller for supporting the vehicle. Also, it is a matter of course that a plurality of seating chairs, a vehicle and an on-board device for auxiliary purposes are provided on the floor of the inner room of the cabin.

A sensing sensor may further be provided to sense the gap between the electromagnets and to provide a degree of separation between the rack and the worm wheel and a magnitude of the magnetic levitation of the vehicle to the control unit. That is, the control unit adjusts the current for the electromagnet so as to keep the predetermined interval of the detection sensors constant at all times.

Although the present invention has been described with reference to the preferred embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the following claims. It can be understood that

10: Line 110: Rack
112: rack tooth 114: rack magnet
116: rack separator 120: worm drive propulsion unit
121: Worm gear 122:
123: Worm gear magnet 125: Support frame
130: Room vehicle 138: Room support

Claims (8)

A rack comprising a plurality of rack teeth disposed along the track and a rack magnet disposed on each of the rack teeth; And
A worm gear including a plurality of worm gears disposed between the rack teeth and a worm gear magnet that maintains a magnetic gap between the worm gear and the rack magnets; And a support frame to which the worm gear is rotatably mounted;
A worm magnetic levitation train having a cabin vehicle connected to the worm drive propulsion unit by the rotation of the worm gear while the worm gear is kept in a magnetic separation state by the rack magnet and the worm gear magnet, Thereby operating the worm magnetic levitation train system. The method according to claim 1,
Wherein the rack magnets and the worm gear magnets are disposed on the front and rear surfaces of the rack teeth and the worm teeth, respectively, and the rack magnets and the worm gear magnets maintain mutual magnetic separation. The method according to claim 1,
And a rack support mounted on each of said rack teeth,
And a room support base disposed at a lower portion of the cabin,
Wherein the rack support base and the room support base are provided with the same electrode at both ends thereof so that the rack support base and the room support base are mutually separated from each other,
Wherein the cabin maintains a self-spacing condition on the rack support. The method of claim 3,
Wherein the electrodes disposed at both ends of the cabin support are provided in a shape to surround the electrodes disposed at both ends of the rack supporter on the upper and lower sides to prevent derailment of the cabin vehicle moving on the line. . The method according to claim 1,
And a rack support mounted on each of said rack teeth,
And a worm drive pusher support under the warm drive pusher,
Like electrodes are disposed at both ends of the rack supporter and the worm drive supporter so that the rack supporter and the warm supporter supporter are mutually magneticly spaced,
Wherein the worm drive propulsion maintains a magnetic separation on the rack support. The method according to claim 1,
Wherein the worm drive propulsion unit includes a drive motor for rotating the worm gear inside or outside the worm gear. The method according to claim 1,
Wherein the worm drive pushing unit includes a cylindrical worm gear body for providing a worm tooth of the worm gear and a driving unit for rotating the worm gear body inside the worm gear body,
Wherein the driving unit includes a stator mounted on the rotating shaft and a rotor mounted on an inner surface of the worm gear body corresponding to the stator, wherein the worm gear body rotates about the rotation axis by an interaction between the stator and the rotor Wherein the magnetic levitation train system is a worm magnetically levitated train system. The method according to claim 1,
Wherein the rack teeth and the rack magnets are coupled to each other in a trapezoidal shape,
Wherein the worm gear and the worm gear magnet are disposed so as to be mutually engaged and to maintain a magnetic separation between the rack teeth in an inverted trapezoidal shape.
KR1020150076636A 2014-05-30 2015-05-29 Worm magnetic levitation train system KR20150138115A (en)

Applications Claiming Priority (2)

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KR20140066391 2014-05-30
KR1020140066391 2014-05-30

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CN107264540B (en) * 2017-07-07 2023-05-16 成都城轨国铁创新科技有限公司 High climbing performance gear and rack combined structure for rail transit
CN116442795B (en) * 2023-06-16 2023-08-25 江西理工大学 Magnetic levitation bogie with centering function

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WO2007032693A1 (en) * 2005-09-16 2007-03-22 Maglevvision Corporation A magnetic levitation toy vehicle and the propulsion system thereof
DE102007059504A1 (en) * 2007-12-10 2009-06-18 Thyssenkrupp Transrapid Gmbh maglev
KR101011467B1 (en) * 2009-02-17 2011-02-07 한국모노레일주식회사 V-guide-pipe rail transportation system for the balance of the vehicle
KR101410344B1 (en) * 2012-08-20 2014-06-24 남 영 김 Elevator using worm driving part
KR101389501B1 (en) * 2012-10-24 2014-04-25 최이화 Magnetic gear for cogging decrease and transfer equipment using the same

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