JPS6133323B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle structure of a superconducting magnetically levitated vehicle that travels within a U-shaped cross-sectional track using superconducting magnets for levitation and propulsion guidance.

Conventionally, many structural examples of this type of superconducting magnetically levitated vehicle have already been published, so a detailed explanation will be omitted. However, to briefly describe it using the basic cross-sectional diagram shown in Fig. 1, 1 is U. It is a vehicle that travels while being floated and guided within a shaped cross-section track 2, and consists of a car body 3 and a bogie frame 5 that receives the load via air springs 4 at the bottom of the car body 3. Both sides of the bogie frame 5 are equipped with superconducting Magnets 6, 6 are provided long in the orthogonal direction, facing the left and right propulsion guide coils 7, 7 provided on the track 2 and the levitation coils 8, 8 at the bottom, with a predetermined gap between them. In order to maintain its position, it is propelled while being floated and guided.

Here, when the vehicle 1 travels at low speed, the current induced in the propulsion guide coils 7, 7 and the levitation coils 8, 8 is reduced, so the support wheels 9, 9 are mounted on the lower side of the bogie frame 5. Take out the orbit 2 inner bottom surface 1
The vehicle is held by landing on 0,
Moreover, from both sides of the bogie frame 5, there are guide wheels 11,
11 and the inner surface 12 of the left and right rising side walls of the track 2,
12 for vehicle guidance.

However, considering the guide wheels 11, 11, they should originally face the upper portions of the inner surfaces 12, 12 of the left and right rising side walls of the U-shaped cross-section track 2, where the propulsion guide coils 7, 7 are not provided. I would like to install it near the top of both sides of the bogie underframe 5 in order to make contact with it, but the guide wheels 11,
11 to the upper portions of the inner surfaces 10, 10 of the left and right rising side walls of the track 2 for vehicle guidance, considering the design of the track 2, which is a civil engineering structure.
The strength of the upper portions of both rising side walls of the track 2 is extremely weak, which is a problem. Particularly in a structure (not shown) in which the track 2 branches into two, this is more difficult in terms of strength.

Therefore, as shown in FIG. 1, the guide wheels 11, 11 are provided at the lower portions of both sides of the bogie frame 5, and are brought into rolling contact with the inner surfaces 10, 10 of both rising side walls of the track 2, facing as low as possible. However, in such a case, it would be a problem if the guide wheels 11, 11 were to contact the surfaces of the propulsion guide coils 7, 7 and roll, so a protective plate (not shown in the figure) should be placed on the surface of the coils 7, 7. It is required to provide grooves (not shown) in which the propulsion and guide coils 11, 11 are housed inside the rising side walls of the track 2. Although it is not difficult to make such improvements on the track 2 side, on the other hand, in the vehicle 1, superconducting magnets 6, 6 are provided on both sides of the bogie frame 5 in the longitudinal direction. If guide wheels 11, 11 are to be provided on both sides of the bogie frame 5 as shown in the figure, the position between the ends of the superconducting magnets 6, 6 arranged on the sides of the bogie frame 5 as shown in FIG. This position is actually very narrow and it is difficult to arrange the wheel 11, and it is impossible to install a wheel with a large diameter that is very satisfactory. In addition, although not shown, the above-mentioned Annai wheels 1 are attached to the connecting portion between the front and rear carts.
Even if wheels 1 and 11 are arranged, the guiding wheel 1
1 and 11 and the superconducting magnets attached to the front and rear trucks, respectively, there is a problem that there is not enough space to allow bending between the front and rear trucks.

The present invention has been made in view of the above circumstances, and an object of the present invention is to avoid shortening the length of the superconducting magnets disposed on both sides of the underframe of a bogie, and to avoid shortening the length of the superconducting magnets disposed on both sides of the underframe. An object of the present invention is to provide a device that can secure a large space for installing equipment such as guide wheels between the ends of the vehicle.

An embodiment of the present invention will be described below with reference to FIG. FIG. 3 is a side view showing the vicinity of mutual ends of superconducting magnets 6A and 6B arranged on the side of the bogie frame, similar to FIG. The mutual coil ends are formed into an upper arcuate portion 13A with a slightly smaller radius of curvature,
13B, and a lower arcuate portion 14 with a large radius of curvature.
A, 14B is composed of a compound arc. As a result, the tension at the lower joint of each coil end is reduced, and a large approximately triangular space with a wide open space is formed between the two ends, that is, a space for installing equipment. There is. Note that the upper arcuate portions 13A, 13 of the coil end portions
B is the upper coil straight part 15A, 15B, and the lower arcuate part 14A, 14B is the lower coil straight part 16.
A, 16B, the overall length of the superconducting coil is the same as the general one shown in Fig. 2, and the lower coil straight portions 16A, 1 act particularly effectively on the levitation force.
6B also has a sufficient length. Here, a guide wheel 11A having an appropriate large diameter is mounted at the center of a large approximately triangular mounting space between the coil ends of the superconducting magnets 6A and 6B so that it can move in and out of the side of the bogie frame. , and furthermore, by utilizing the extra space, for example, the above-mentioned guide wheel 11
An emergency slider 17 is installed on the guide wheel 11, which slides on the track (not shown) if the bogie frame shifts to the left or right due to some abnormality when A is retracted.
It is installed near the top of A. In addition, FIG. 3 shows the superconducting magnets 6A, 6 on one side of the bogie frame.
Although only B is shown, the other side parts are constructed in exactly the same way, and the other parts are the same as shown in Figure 1, and the vehicle structure is a superconducting magnetically levitated vehicle that travels on a U-shaped cross-section track while being guided by levitation. has been done.

Regarding the function of the above-mentioned configuration, in general, when the end of a superconducting coil is composed of an arc with a small radius, the magnetic flux inside the arc becomes high and the superconducting coil itself has less margin for quenching. It is known that if the ends of the composite arc-shaped coils of the superconducting magnets 6A and 6B shown in FIG. The force that forces the magnet to become circular as a whole is almost the same as that of conventional magnets, and as a superconducting magnet it functions satisfactorily for levitation guidance propulsion without any problems. Moreover, by forming the ends of the coils into composite arcs as described above, a large space for installing equipment can be created between the ends, so that it can be used for guidance toward the lower side of the bogie frame, which was previously difficult. The wheels 11A and the emergency slider 17 can be attached, resulting in a vehicle structure that is advantageous for running on a U-shaped track.

In addition, FIG. 4 shows the truck frame 5A arranged in the front and rear,
5B is a plan view showing the vicinity of the interconnection connection part, and both the front and rear bogie underframes 5A, 5B are connected to the connecting rod 18.
It is connected with the left and right links 19
The front and rear parts can be bent mutually. Here, both bogie underframes 5A and 5B
The superconducting magnets 6AA, 6AB, 6BA, and 6BB, which are arranged long from front to back on each side of the
As shown in the figure, each coil end is configured in a compound circular arc shape, and the coil ends of the front and rear superconducting magnets 6AA and 6BA and 6AB and 6BB are mutually connected to each other on both sides of mutually connecting parts of the front and rear bogie underframes 5A and 5B. In between, a large equipment installation space is secured by the compound arc, and guiding wheels 11B and 11C having retraction mechanisms 20A and 20B are protruded therefrom, and an emergency slider (not shown) is also arranged adjacently. has been done. 4, the same function as described above can be obtained, and bending at the joint portion of the front and rear bogie frames 5A, 5B can be tolerated due to the sufficient space.

Next, another embodiment of the present invention will be described with reference to FIG. This FIG. 5 is a side view showing the vicinity of the mutual ends of superconducting magnets 6C and 6D arranged on one side of the bogie frame, similar to FIG. 3, and the mutual coil ends of both superconducting magnets 6C and 6D are By lifting the upper and lower coil straight portions 15C, 15D, 16C, and 16D from a simple circular arc state, the upper and lower arcuate portions 13C and 13D have a small radius of curvature and the lower arcuate portions 14C and 14D have a large radius of curvature. It is constructed in the shape of a compound arc. As a result, a large equipment installation space similar to the above is obtained between the ends of the coils, making it possible to install guide wheels 11D, etc., and the magnetic flux density inside the arc of the coil ends as the superconducting electromagnets 6C, 6D themselves. There is no difference at all from that shown in FIG. 2, and the function is even better than that shown in FIG. 3.

As described in detail above, this invention makes the coil ends of a superconducting magnet not a pure circular arc but a compound circular arc, so that the function of the superconducting magnet is not impaired.
It is possible to secure a sufficient space for installing equipment such as guide wheels, which has been difficult in the past, and the structure is very advantageous as a vehicle structure for running on a U-shaped track in a superconducting magnetic levitation vehicle.

[Brief explanation of the drawing]

Figure 1 is a schematic basic cross section of a superconducting magnetically levitated vehicle.
FIG. 2 is a side view showing a general example of mutual ends of superconducting magnets arranged on the sides of a bogie frame of a vehicle in a superconducting magnetic levitated vehicle, and FIG. 3 is a similar portion to FIG. 2 showing an embodiment of the present invention. FIG. 4 is a plan view of the vicinity of the joint between the front and rear bogie frames in the same embodiment, and FIG.
This figure is a side view of a portion similar to that shown in FIG. 3, showing another embodiment of the present invention. 1... Superconducting magnetic levitation vehicle vehicle, 2... U-shaped cross-section track, 3... Vehicle body, 4... Air spring, 5, 5
A, 5B...Bolly frame, 6, 6A, 6B, 6
AA, 6AB, 6BA, 6BB, 6C, 6D...superconducting magnet, 7...propulsion guide coil, 8...levitation coil, 9...support wheel, 10...inner track bottom surface, 11, 11A, 11B , 11C, 11D...
Guide wheel, 12...Track rising side wall inner surface, 13
A, 13B, 13C, 13D...A circular arc portion with a small radius of curvature, 14A, 14B, 14C, 14D...
...A circular arc portion with a large radius of curvature, 15A, 15B,
15C, 15D... Upper coil straight part, 16A,
16B, 16C, 16D...Lower side coil straight part,
17...Emergency slider, 18...Connecting rod, 1
9...Link, 20A, 20B...Retraction mechanism.

Claims (1)

[Claims] 1 In the vehicle structure of a superconducting magnetically levitated vehicle that travels within a U-shaped cross-sectional track while being guided by levitation using superconducting magnets, the arc-shaped superconducting magnets are arranged long in the longitudinal direction on both sides of the bogie frame at the bottom of the vehicle body. By forming the coil end into a compound circular arc with different radii of curvature while keeping the coil configuration surface flat, the degree of overhang of the lower corner of the coil end is reduced to create a space for installing equipment such as guide wheels. The vehicle structure of a superconducting magnetically levitated vehicle is characterized by: