JP2002027613A - Ground coil device for magnetically levitated train - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ground coil device for magnetically levitated train that enables reduction in the number of mounting bolts and installing operations, when levitation coils and propelling coils are installed on track sidewalls. SOLUTION: The levitation coils are provided on the track sidewall side thereof with projections for fitting propelling coils, and the propelling coils are fitted onto the projections. With the propelling coils placed between the levitating coils and the track sidewall, the levitating coils are secured on the track sidewall with mounting bolts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic levitation type ground coil device for a railway, and more particularly to a ground coil mounting structure thereof.

[0002]

2. Description of the Related Art FIG. 12 is a front sectional view showing a track apparatus of a conventional magnetically levitated railway, and FIG. 13 is an exploded perspective view of a main part showing a mounting state of a single-layer type propulsion coil and a levitating coil to a concrete panel. is there. These are disclosed in JP-A-8-
275307 and JP-A-8-51013. FIG. 14 is a front view of the single-layer floating coil on the track side, FIG. 15 is a front view of the single-layer floating coil on the track side wall, and FIG. 16 is a front view of the single-layer propulsion coil. In the figure, 1 is a track, 2 is a concrete track side wall erected on both sides of the track 1, and 3 is a single-layer propulsion coil, which is mounted on both track side walls 2, respectively. Reference numeral 4 denotes a single-layer levitation coil, which is disposed so as to overlap the propulsion coil 3 and is mounted on each of the two track side walls 2. Reference numeral 5 denotes a vehicle, and 6 denotes a superconducting magnet, which is mounted on the vehicle 5 that floats on the track 1.
7 is a concrete panel forming a part of the track side wall attached to both track side walls 2, and 8 is a concrete panel 7
Insert 9 embedded in the washer, 9 is a washer, 10 is a bolt,
Reference numerals 11 and 12 are mounting holes.

Next, the configuration and mounting method of the conventional coil device will be described. First, as shown in FIG. 14 and FIG. 15, the floating coil 4 of the single-layer arrangement method is a sheet-shaped compound (SMC) formed by combining two figure-shaped coils 13 insulated such as strands. And the like. A total of seven mounting holes 12 are formed, and a bush 14 made of, for example, a nonmagnetic metal such as stainless steel is formed at the same time. As shown in FIG. 16, the single-layer propulsion coil 3 is formed by casting with epoxy resin or the like. A total of four mounting holes 11 are formed, and a bush 15 made of non-magnetic metal or the like is formed at the same time as the floating coil.

The propulsion coil 3 formed as described above is
It is screwed into the insert 8 of the concrete panel 7 through the washer 9 and the bolt 10 in the mounting holes 11 at various places, and is fixed. Next, the floating coil 4 is screwed and fixed to the insert 8 of the concrete panel 7 through the washer 9 and the bolt 10 in the seven mounting holes 12 to form a ground coil device.

[0005]

Since the conventional ground coil device is constructed as described above, the number of mounting bolts is four per propulsion coil and seven per levitation coil. Panel (length about 12.6m: propulsion coil 1)
Since a total of 154 bolts are required per four (four, 14 floating coils), there is a problem that the mounting work and the maintenance work after the mounting take a long time. Therefore, the number of mounting bolts is reduced and the mounting work is reduced. The purpose is to plan.

[0006]

In a magnetic levitation type ground coil device for a railway according to the present invention, a coil is formed of an insulator so as to perform an electromagnetic action with a superconducting magnet device mounted on a magnetic levitation type vehicle. In a magnetic levitation type railway ground coil device in which a conductor-coated propulsion coil and a levitation coil are arranged on a track side wall, the propulsion coil fitting protrusion or recess is provided on the track side wall side of the levitation coil,
The propulsion coil is fitted into the protrusion or the recess, the propulsion coil is interposed between the levitation coil and the raceway side wall, and the levitation coil is fixed to the raceway side wall with mounting bolts. It is.

[0007] Further, a plurality of cross-shaped levitation coils are integrally formed, and a structure is used in which mounting bolts on the track side walls between adjacent cross-shaped levitation coils are shared.

Further, a non-magnetic insert for mounting a propulsion coil is embedded in the levitation coil and integrally formed, and the propulsion coil is mounted on the non-magnetic insert of the levitation coil with a bolt.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 5 show a first embodiment of the present invention. FIG. 1 is a front view of a single-layer floating coil on a track side, and FIG. 2 is a front view of a single-layer floating coil on a track side wall. 3 is a front view of the single-layer propulsion coil, FIG. 4 is a front view of a track side wall showing a state in which the propulsion coil is fitted into the levitation coil, and FIG. 5 is a cross-sectional view taken along line VV of FIG. 1 to 5, the same or corresponding portions as those of the conventional ground coil device shown in FIGS. 12 to 16 are denoted by the same reference numerals, and the description thereof is partially omitted. Reference numeral 4 denotes a single-layer levitation coil, in which a total of seven mounting holes 12 are formed, and a bush 14 made of, for example, a nonmagnetic metal made of stainless steel is formed at the same time. Numeral 16 denotes a protrusion for fitting a propulsion coil integrally formed on the floating coil 4 on the back side of the floating coil 4, that is, on the side wall of the track. In this case, a total of four protrusion coils are formed for each floating coil. Reference numeral 17 denotes a single-layer propulsion coil used in the present invention.

Next, a method of mounting the ground coil device according to the first embodiment will be described. First, as shown in FIG. 2, a cross-shaped coil formed by combining two figure-shaped coils 13 insulated in the same manner as a conventional one is molded by molding such as SMC to form a single-layer floating coil 4. Is formed. At the time of this molding, the protrusion 16 for fitting the propulsion coil 17 is simultaneously molded and integrated on the back surface of the flying coil 4, that is, on the side wall of the track. Next, the single-layer propulsion coil 17 cast with epoxy resin or the like shown in FIG.
The linear portion is fitted into the projection 16 of the flying coil 4 and fixed. FIG. 5 shows a section taken along line VV of the fitting portion in FIG.

In this manner, the propulsion coil 17 is interposed between the levitating coil 4 and the side wall of the raceway in a state where the propulsion coil 17 is fitted into the projection 16 of the levitating coil 4. Thereafter, the floating coil 4 is screwed into the concrete panel insert through washers and bolts in the seven mounting holes 12 and fixed to form a ground coil device. In the first embodiment, since the propulsion coil 17 does not need a mounting hole, the number of four mounting bolts can be reduced from the total number of mounting bolts 11 of the conventional floating coil 4 and the propulsion coil. Also, the protrusion 16 is provided on the flying coil 4 for fitting the propulsion coil 17 into the flying coil 4. Instead, a recess for fitting may be formed in the flying coil 4.

Embodiment 2 FIG. 6 to 8 show a second embodiment of the present invention. FIG. 6 is a front view of a track of a single-layer integrally formed floating coil, and FIG. 7 is a view of a track side wall of a single-layer integrally formed floating coil. FIG. 8 is a front view of the track side wall showing a state in which the propulsion coil is fitted into the integrally formed floating coil. 6 to 8, FIGS. 12 to 16 and FIGS.
The same reference numerals are given to the same or corresponding parts as those of the above-mentioned ground coil device, and the description thereof is partially omitted. 6 to 8, reference numeral 18 denotes a levitation coil integrally formed by combining, for example, twelve figure-shaped coils 13 (length: about 5.4 m: equivalent to six cross-shaped coils), and 16 denotes an integrally formed levitation coil 18
On the rear surface of the track, that is, on the side wall of the track. As shown in FIG. 8, the propulsion coil 17 is fitted into and fixed to the projection 16 on the back surface of the integrally formed floating coil 18, that is, on the side wall of the track.

As described above, the propulsion coil 17 is interposed between the integrally formed floating coil 18 and the raceway side wall in a state where the propulsion coil 17 is fitted into the projection 16 of the integrally formed floating coil 18. Then, the mounting hole 1 of the integrally formed floating coil 18
2 is screwed and fixed to the insert of the concrete panel through a washer and a bolt to form a ground coil device.
In the second embodiment, since the mounting holes between the adjacent cross-shaped coils can be shared, a total of 10 cross-shaped coils for 10 cross-shaped coils can be used.
The number of mounting holes 12 can be shared, and the number of mounting bolts 10 can be reduced from the conventional total of 42 mounting bolts. Further, since the propulsion coil 17 is fitted and fixed to the projection 16 on the back surface of the integrally formed floating coil 18, the propulsion coil 17 is fixed.
Therefore, a total of 24 mounting holes are not required for the six mounting bolts, and the number of 24 mounting bolts can be reduced. Also, the projection 16 is provided on the integrally formed floating coil 18 for fitting the propulsion coil 17 into the integrally formed floating coil 18. Instead, a recess for fitting may be formed in the integrally formed floating coil 18.

Embodiment 3 9 to 11 show a third embodiment of the present invention. FIG. 9 is a front view of a single-layer integrally formed floating coil on a track side wall, and FIG. 10 is a diagram in which a propulsion coil is fitted into the integrally formed floating coil. FIG. 11 is a sectional view taken along the line XI-XI in FIG. 10.
9 to 11, the same or corresponding parts as those of the ground coil device shown in FIGS. 12 to 16 and FIGS. 1 to 8 are denoted by the same reference numerals, and the description thereof will be partially omitted. Reference numeral 19 denotes a levitation coil integrally formed by combining, for example, twelve figure-shaped coils (length: about 5.4 m; equivalent to six cross-shaped coils); The projected portion 20 is an insert embedded in the integrally formed floating coil 19. Reference numeral 21 denotes a single-layer propulsion coil, in which four mounting holes 22 are formed.

As shown in FIGS. 10 and 11, a propulsion coil 21 is fitted into and fixed to the protruding portion 16, and the propulsion coil 21 is further integrally formed by using a washer 9 and a bolt 10 in a mounting hole 22 thereof. 19 inserts 20
, It is possible to attach the propulsion coil 21 more firmly. In this manner, the propulsion coil 21 is fitted into the projection 16 of the integrally formed floating coil 19 and screwed to the integrally formed floating coil 19 with the bolt 10, and the propulsion coil 21 is connected to the integrally formed floating coil 19 and the track side wall. Intervene in between. Thereafter, a washer and a bolt are screwed into the mounting hole of the integrally formed floating coil 19 and screwed and fixed to the insert of the concrete panel to form a ground coil device.

In the third embodiment, since the mounting holes between the adjacent cross-shaped coils can be shared, the same as in the second embodiment,
A total of ten mounting holes 12 can be shared by six cross-shaped coils, and the number of ten mounting bolts can be reduced from the conventional total of 42 mounting bolts. Also, the projection 16 is provided on the integrally formed floating coil 19 for fitting the propulsion coil 21 into the integrally formed floating coil 19. Instead, a recess for fitting may be formed in the integrally formed floating coil 19.

[0017]

As described above, according to the magnetic levitation type ground coil device for railway according to the present invention, the insulator is provided so as to perform electromagnetic action with the superconducting magnet device mounted on the magnetic levitation type vehicle. In a magnetic levitation type railway ground coil device in which a propulsion coil and a levitation coil covered with a coil conductor are arranged on a track side wall, the propulsion coil fitting projection or recess is provided on the track side wall side of the levitation coil, Since the propulsion coil is fitted into the protrusion or the recess, the propulsion coil is interposed between the levitation coil and the raceway side wall, and the levitation coil is fixed to the raceway side wall with mounting bolts. The number of mounting bolts can be reduced and mounting work can be reduced.

In addition, since a plurality of cross-shaped levitation coils are integrally formed and the mounting bolts on the side wall of the track between adjacent cross-shaped levitation coils are shared, the number of mounting bolts can be further reduced, and the mounting work can be further reduced. Can be reduced.

Further, since the non-magnetic insert for mounting the propulsion coil is embedded in the levitation coil and integrally formed, and the propulsion coil is mounted on the non-magnetic insert of the levitation coil with bolts, the traction coil can be made more robust. Mounting becomes possible.

[Brief description of the drawings]

FIG. 1 is a front view of the orbital side of a single-layer levitation coil according to Embodiment 1 of the present invention.

FIG. 2 is a front view of a single-layer levitation coil according to Embodiment 1 on a track side wall side.

FIG. 3 is a front view of the single-layer propulsion coil according to the first embodiment.

FIG. 4 is a front view of a track side wall showing a state in which a propulsion coil is fitted into a levitation coil in the first embodiment.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a front view of a track side of a single-layer integrally formed floating coil according to Embodiment 2 of the present invention.

FIG. 7 is a front view of a track side wall of a single-layer integrally formed floating coil according to a second embodiment.

FIG. 8 is a front view of a track side wall showing a state in which a propulsion coil is fitted into an integrally formed floating coil according to the second embodiment.

FIG. 9 is a front view of a single-layer integrally formed floating coil according to a third embodiment of the present invention, on a track side wall side.

FIG. 10 is a front view of a track side wall showing a state in which a propulsion coil is fitted into an integrally formed floating coil according to a third embodiment.

11 is a sectional view taken along line XI-XI in FIG.

FIG. 12 is a front sectional view showing a track device of a conventional magnetic levitation railway.

FIG. 13 is an exploded perspective view of a main part showing a mounting state of a conventional single-layer arrangement type propulsion coil and levitation coil.

FIG. 14 is a front view of a conventional single-layer levitation coil on a track side.

FIG. 15 is a front view of a conventional single-layer levitating coil on a track side wall side.

FIG. 16 is a front view of a conventional single-layer propulsion coil.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 track 2 track side wall 3 propulsion coil 4 floating coil 7 concrete panel 8 insert 9 washer 10 bolt 11, 12 mounting hole 13 figure-shaped coil 14, 15 bush 16 fitting protrusion 17 propulsion coil 18, 19 integrally formed floating coil 20 Insert 21 Propulsion coil 22 Mounting hole.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshihiro Jizo 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsui Electric Co., Ltd. (72) Inventor Haruhiro Oda 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Rishi Electric Co., Ltd. (72) Inventor Takeshi Umeki 1-4-1 Meieki Station, Nakamura-ku, Nagoya-shi, Aichi F-term in Tokai Passenger Railway Co., Ltd. 2D056 DA01 DA08 DA09 5H113 BB03 CC04 CC08 CD02 CD04 CD06 CD08 CD13 DA01 DA02 DB03 DB09 DB10 DB14 DB19 DB20

Claims (3)

[Claims] 1. A magnetic levitation type in which a propulsion coil and a levitation coil whose coil conductors are covered with an insulator are arranged on a track side wall so as to perform an electromagnetic action with a superconducting magnet device mounted on a magnetic levitation type vehicle. In railway ground coil equipment,
The levitation coil is provided with a protrusion or recess for fitting the propulsion coil on the track side wall, and the propulsion coil is fitted into the protrusion or recess, and the propulsion coil is placed between the levitation coil and the track side wall. A magnetic levitation type ground coil device for a railway, wherein the levitation coil is interposed and fixed to the side wall of the track with mounting bolts. 2. The structure according to claim 1, wherein a plurality of cross-shaped levitation coils are integrally formed, and a mounting bolt for a track side wall between adjacent cross-shaped levitation coils is shared.
The ground coil device for a magnetic levitation type railway described in the above. 3. A levitation coil in which a non-magnetic insert for mounting a propulsion coil is embedded and integrally formed, and the propulsion coil is mounted on the non-magnetic insert of the levitation coil by bolts. Or a magnetic levitation type ground coil device for a railway according to claim 2.