CN110957098A - High-temperature superconducting magnet supporting device and magnetic levitation train - Google Patents
High-temperature superconducting magnet supporting device and magnetic levitation train Download PDFInfo
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- CN110957098A CN110957098A CN201911067861.0A CN201911067861A CN110957098A CN 110957098 A CN110957098 A CN 110957098A CN 201911067861 A CN201911067861 A CN 201911067861A CN 110957098 A CN110957098 A CN 110957098A
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- 238000005339 levitation Methods 0.000 title claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 108
- 239000002184 metal Substances 0.000 claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 3
- 239000000725 suspension Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
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Abstract
本发明涉及磁悬浮列车技术领域，尤其涉及一种高温超导磁体支撑装置及磁悬浮列车。该高温超导磁体支撑装置包括超导磁体线圈骨架、第一支撑机构和第二支撑机构，超导磁体线圈骨架包括环形磁体和至少一个连接梁，环形磁体的四周分布有第一安装孔，每个连接梁上分别设有第二安装孔，第一支撑机构包括金属杆，金属杆贯穿第一安装孔，第二支撑机构包括第一金属管，第一金属管贯穿第二安装孔。本发明提供的高温超导磁体支撑装置，不仅保证了力传导的有效性，而且保证了结构的稳定性，同时还能够有效降低传导漏热。本发明提供的磁悬浮列车，由于采用该高温超导磁体支撑装置，能够确保磁悬浮列车的稳定运行，提高磁悬浮列车的工作可靠性。
The invention relates to the technical field of maglev trains, in particular to a high-temperature superconducting magnet support device and a maglev train. The high-temperature superconducting magnet support device includes a superconducting magnet coil bobbin, a first supporting mechanism and a second supporting mechanism. The superconducting magnet coil bobbin includes a ring magnet and at least one connecting beam. The ring magnet is distributed with first mounting holes around it. Each connecting beam is respectively provided with a second installation hole, the first support mechanism includes a metal rod, the metal rod penetrates the first installation hole, the second support mechanism includes a first metal pipe, and the first metal pipe penetrates the second installation hole. The high-temperature superconducting magnet support device provided by the present invention not only ensures the effectiveness of force conduction, but also ensures the stability of the structure, and can also effectively reduce conduction heat leakage. The magnetic levitation train provided by the invention adopts the high-temperature superconducting magnet supporting device, which can ensure the stable operation of the magnetic levitation train and improve the working reliability of the magnetic levitation train.
Description
Technical Field
The invention relates to the technical field of magnetic suspension trains, in particular to a high-temperature superconducting magnet supporting device and a magnetic suspension train.
Background
In the high-temperature superconducting maglev train, a high-temperature superconducting magnet is arranged on two sides of a bogie of the train, a series of splayed normal conducting coils are arranged on two sides of a ground track, and the traction, suspension and guiding functions of the train are realized by electromagnetic interaction force between the high-temperature superconducting magnet and the splayed coils.
The high-temperature superconducting magnet can be ensured to stably operate only in the environment from liquid helium to liquid nitrogen temperature region. Different from a conventional superconducting magnet structure, the high-temperature superconducting magnet supporting device is used as a bridge between the connecting bogie and the high-temperature superconducting magnet, on one hand, the supporting device needs to support the suspension load and the accelerated overload impact of a vehicle body with the mass of dozens of tons, the stress state is complex, and the requirement on the structural strength of the supporting device is higher. On the other hand, one end of the support device is fixed on a bogie at normal temperature, and the other end of the support device is connected to the superconducting magnet at extremely low temperature. Therefore, how to improve the stability of the supporting device as much as possible while reducing the heat leakage caused by conduction is a technical problem that needs to be solved at present.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a high-temperature superconducting magnet supporting device and a magnetic levitation train, and solves the problem of how to improve the stability of the high-temperature superconducting magnet supporting device as much as possible while reducing conduction heat leakage.
(II) technical scheme
In order to solve the technical problem, the invention provides a high-temperature superconducting magnet supporting device which comprises a superconducting magnet coil framework, a first supporting mechanism and a second supporting mechanism, wherein the superconducting magnet coil framework comprises an annular magnet and at least one connecting beam, two ends of each connecting beam are respectively connected with two opposite sides of an inner ring of the annular magnet, first mounting holes are distributed on the periphery of the annular magnet, and second mounting holes are respectively formed in each connecting beam; the first supporting mechanism comprises metal rods which correspond to the first mounting holes one by one, and the metal rods penetrate through the first mounting holes; the second supporting mechanism comprises first metal pipes which correspond to the second mounting holes one by one, and the first metal pipes penetrate through the second mounting holes.
Specifically, the outer side wall of the metal rod is tightly matched with the inner side wall of the first mounting hole, and the outer side wall of the first metal pipe is in clearance fit with the inner side wall of the second mounting hole.
The superconducting magnet coil framework is sleeved outside the superconducting magnet coil framework, and the superconducting magnet coil framework and the inner side wall of the cold shield are arranged at intervals; the cold screen is provided with a first cold screen through hole corresponding to the first mounting hole and a second cold screen through hole corresponding to the second mounting hole, the metal rod penetrates through the first cold screen through hole, and the first metal pipe penetrates through the second cold screen through hole.
The cold shield is sleeved outside the vacuum container, and the outer side wall of the cold shield and the inner side wall of the vacuum container are arranged at intervals; the vacuum container is provided with a first container through hole corresponding to the first mounting hole and a second container through hole corresponding to the second mounting hole, the metal rod penetrates through the first container through hole, and the first metal pipe penetrates through the second container through hole.
Furthermore, the outer side surface of the metal rod is provided with a limiting bulge, and the limiting bulge is fixedly connected with the outer side wall of the cold shield.
The second metal pipe penetrates through the second mounting hole, is sleeved outside the first metal pipe, and is in clearance fit with the first metal pipe; and flanges are respectively arranged at two ends of the second metal pipe, and the flanges are fixedly connected with the inner side wall of the cold shield.
Further, the inner side wall of the second metal pipe is provided with an insulating film.
Specifically, the first metal pipe is a stainless steel pipe, and the second metal pipe is a copper pipe.
Specifically, two ends of the metal rod are respectively provided with an end cover, and the end covers are fixedly connected with the outer side wall of the vacuum container; and two ends of the first metal pipe are respectively connected and fixed with the outer side wall of the vacuum container.
Specifically, a hollow cavity is arranged in the metal rod, and the hollow cavity extends along the axial direction of the metal rod; the metal rod is provided with a vacuumizing hole, one end of the vacuumizing hole is communicated with the hollow cavity, and the other end of the vacuumizing hole is communicated with the outside of the metal rod.
The invention provides a magnetic suspension train which comprises the high-temperature superconducting magnet supporting device.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
according to the high-temperature superconducting magnet supporting device provided by the invention, the first mounting holes are formed in the periphery of the annular magnet, the metal rod penetrates through the first mounting holes, so that the periphery of the superconducting magnet coil framework is effectively supported, and the second mounting holes are formed in the connecting beam, so that the first metal pipe penetrates through the second mounting holes, so that the central position of the superconducting magnet coil framework is effectively supported. Therefore, according to the high-temperature superconducting magnet supporting device disclosed by the invention, the effectiveness of force conduction is ensured, the stability of the structure is ensured, and meanwhile, the conduction heat leakage can be effectively reduced. According to the magnetic suspension train, the high-temperature superconducting magnet supporting device is adopted, so that the stable operation of the magnetic suspension train can be ensured, and the working reliability of the magnetic suspension train is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature superconducting magnet supporting device according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a superconducting magnet coil skeleton in the high-temperature superconducting magnet supporting device according to the embodiment of the invention;
fig. 3 is an external structural schematic diagram of a vacuum vessel in the high-temperature superconducting magnet supporting device according to the embodiment of the invention;
fig. 4 is a schematic view of an assembly structure of a metal rod in a high-temperature superconducting magnet supporting device according to an embodiment of the invention;
fig. 5 is an assembly structure schematic diagram of a first metal tube in the high-temperature superconducting magnet supporting device according to the embodiment of the invention.
In the figure: 1: a superconducting magnet coil former; 11: a ring magnet; 111: a first mounting hole; 12: a connecting beam; 121: a second mounting hole; 2: a metal rod; 201: a limiting bulge; 202: an end cap; 203: a hollow cavity; 204: vacuumizing holes; 3: a first metal tube; 4: cooling the screen; 5: a vacuum vessel; 6: a second metal tube; 601: and (4) a flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides a high-temperature superconducting magnet supporting apparatus, which includes a superconducting magnet coil former 1, a first supporting mechanism, and a second supporting mechanism. The superconducting magnet coil framework 1 is used for mounting a high-temperature superconducting magnet, and the first supporting mechanism and the second supporting mechanism are used for connecting and supporting the superconducting magnet coil framework 1.
The superconducting magnet coil framework 1 comprises an annular magnet 11 and at least one connecting beam 12, two ends of each connecting beam 12 are respectively connected with two opposite sides of an inner ring of the annular magnet 11, first mounting holes 111 are distributed on the periphery of the annular magnet 11, and second mounting holes 121 are respectively arranged on each connecting beam 12. The high temperature superconducting magnet is mounted inside the ring magnet 11. It should be noted that the high-temperature superconducting magnet refers to a superconducting magnet operating in a temperature range from liquid helium to liquid nitrogen, and has a high critical transition temperature, and is a technical term commonly used by those skilled in the art.
The first support mechanism includes metal rods 2 corresponding to the first mounting holes 111 one by one, and the metal rods 2 penetrate through the first mounting holes 111. Wherein, the outer side wall of the metal rod 2 is tightly matched with the inner side wall of the first mounting hole 111. That is, the metal rod 2 can effectively support the ring magnet 11, and further effectively support the periphery of the superconducting magnet coil framework 1.
The second support mechanism includes first metal tubes 3 corresponding to the second mounting holes 121 one by one, and the first metal tubes 3 penetrate through the second mounting holes 121. Wherein, the outer side wall of the first metal pipe 3 is in clearance fit with the inner side wall of the second mounting hole 121. That is, effective support of the connection beam 12 and, therefore, effective support of the central position of the superconducting magnet coil former 1 can be achieved through the first metal tube 3.
Therefore, the high-temperature superconducting magnet supporting device provided by the embodiment of the invention not only ensures the effectiveness of force conduction, but also ensures the stability of the structure by effectively supporting the central position and the periphery of the superconducting magnet coil framework 1, and can also effectively reduce the conduction heat leakage of the high-temperature superconducting magnet.
Specifically, the metal rod 2 may be made of a TC4 titanium alloy material, and the first metal tube 3 may be a stainless steel tube, so as to ensure the structural strength of the high-temperature superconducting magnet supporting apparatus.
Specifically, the inner ring of the ring magnet 11 may be provided with one or more connecting beams 12 according to the actual use requirement.
When one connecting beam 12 is arranged on the inner ring of the ring magnet 11, the connecting beam 12 should be located at the position of the symmetry axis of the ring magnet 11, so as to ensure that the central position of the superconducting magnet coil former 1 can be effectively supported through the connecting beam 12. And evenly set up two at least second mounting holes 121 on this tie-beam 12 to can support the central point department of superconducting magnet coil skeleton 1 through two at least first tubular metal resonators 3, not only can guarantee structural strength, can guarantee moreover that the atress is even.
When the inner ring of the ring magnet 11 is provided with the plurality of connection beams 12, the connection beams 12 are uniformly arranged in the inner ring of the ring magnet 11, and the connection beams 12 are parallel to each other. And each connecting beam 12 is provided with at least one second mounting hole 121, so that the central position of the superconducting magnet coil framework 1 can be supported through at least two first metal tubes 3, the structural strength can be ensured, and the uniform stress can be ensured.
Specifically, a plurality of first mounting holes 111 may be disposed around the ring magnet 11, wherein the specific number of the first mounting holes 111 may be determined according to the actual use condition, as long as effective support for the ring magnet 11 is ensured.
In a specific embodiment, the outer ring of the ring magnet 11 is rectangular, and four first mounting holes 111 are correspondingly arranged at four corners of the ring magnet 11. Two connecting beams 12 are arranged on the inner ring of the annular magnet 11, and two second mounting holes 121 are formed in each connecting beam 12, so that the processing and assembling convenience of the high-temperature superconducting magnet supporting device are both considered on the premise that the structural strength, the force conduction performance, the heat leakage prevention performance and the working stability of the high-temperature superconducting magnet supporting device are guaranteed, and the high-temperature superconducting magnet supporting device is convenient to maintain and overhaul.
In a further embodiment of the present invention, the high temperature superconducting magnet supporting device further includes a cold shield 4, the cold shield 4 is sleeved outside the superconducting magnet coil former 1, and the superconducting magnet coil former 1 and the inner side wall of the cold shield 4 are arranged at intervals. The cold screen 4 is used for ensuring the temperature of the superconducting magnet coil framework 1, reducing the heat conduction between the superconducting magnet coil framework 1 and the outside, and further reducing the heat leakage of the high-temperature superconducting magnet.
Wherein, cold screen 4 is equipped with the first cold screen through-hole corresponding with first mounting hole 111, and metal pole 2 still runs through first cold screen through-hole. The cold screen 4 is provided with a second cold screen through hole corresponding to the second mounting hole 121, the first metal pipe 3 further penetrates through the second cold screen through hole, and the first metal pipe 3 is not in contact with the cold screen 4.
Particularly, the lateral surface of metal pole 2 is equipped with spacing arch 201, and spacing arch 201 is connected fixedly with the lateral wall of cold shield 4 to carry out joint support through metal pole 2 to cold shield 4, realize the hot contact between metal pole 2 and the cold shield 4 simultaneously, effectively reduce the conduction heat leakage of high temperature superconducting magnet.
Specifically, the second support mechanism further includes a second metal tube 6, the second metal tube 6 penetrates through the second mounting hole 121, the second metal tube 6 is sleeved outside the first metal tube 3, and the second metal tube 6 is in clearance fit with the first metal tube 3. Wherein, a clearance of 1-3 mm is arranged between the second metal tube 6 and the first metal tube 3.
Specifically, the second metal tube 6 may be a copper tube, so as to ensure performance of reducing radiation and conduction heat leakage of the high-temperature superconducting magnet.
Specifically, the insulating film is provided on the inner wall of the second metal pipe 6, which can further reduce radiation and heat leakage.
In a further embodiment of the present invention, the high temperature superconducting magnet supporting apparatus further includes a vacuum container 5, the vacuum container 5 is sleeved outside the cold shield 4, and an outer sidewall of the cold shield 4 is spaced from an inner sidewall of the vacuum container 5. The vacuum container 5 is used for further reducing the heat conduction between the superconducting magnet coil framework 1 and the outside, and further reducing the heat leakage of the high-temperature superconducting magnet.
Wherein, the vacuum container 5 is provided with a first container through hole corresponding to the first mounting hole 111, and the metal rod 2 further penetrates through the first container through hole. The vacuum container 5 is provided with a second container through hole corresponding to the second mounting hole 121, and the first metal pipe 3 is further inserted into the second container through hole.
Specifically, end caps 202 are respectively provided at both ends of the metal rod 2, and the end caps 202 are connected and fixed to the outer side wall of the vacuum chamber 5. The end cap 202 can support and fix the metal rod 2 and the vacuum container 5. That is, the metal rod 2 can support and fix the ring magnet 11 and the vacuum container 5, thereby ensuring the effectiveness of force transmission and the stability of the structure.
The metal rod 2 and the end cap 202 may be integrated or separated.
Specifically, both ends of the first metal pipe 3 are connected and fixed to the outer side wall of the vacuum chamber 5. That is, the first metal pipe 3 can be supported in a non-contact manner with respect to the connection beam 12 by the support fixation between the first metal pipe 3 and the vacuum vessel 5 and the connection fixation of the metal rod 2 to the vacuum vessel 5, the cold shield 4, and the ring magnet 11, respectively.
Specifically, a hollow cavity 203 is formed in the metal rod 2, and the hollow cavity 203 extends in the axial direction of the metal rod 2. Wherein the hollow cavity 203 is used for vacuum pumping. By vacuumizing the hollow cavity 203 of the metal rod 2, the heat leakage of the high-temperature superconducting magnet can be further reduced.
Specifically, the metal rod 2 is provided with a vacuum hole 204, one end of the vacuum hole 204 is communicated with the hollow cavity 203, and the other end of the vacuum hole 204 is communicated with the outside of the metal rod 2, so that the hollow cavity 203 is conveniently evacuated through the vacuum hole 204.
In the specific embodiment of the invention, the temperature of the superconducting magnet coil skeleton 1 can be set to be 15-30K, and the temperature of the cold shield 4 can be set to be 50-80K.
In the embodiment of the invention, a connecting shaft made of a high-strength non-magnetic material may be inserted into the first metal tube 3, and the connecting shaft is connected to the bogie, so that the stress of the whole superconducting magnet coil former 1 can be transmitted to the bogie, and the strength, rigidity and stability of the high-temperature superconducting magnet supporting device are further improved. And the connecting shaft is used as a weak point for checking the mechanical strength and the fatigue strength of the superconducting magnet coil framework 1, the assembly and the disassembly are simple and quick, and the superconducting magnet coil framework 1 cannot be damaged.
In an embodiment of the present invention, two superconducting magnet coil bobbins 1 may be disposed inside the vacuum vessel 5, and each superconducting magnet coil bobbin 1 is supported and fixed inside the vacuum vessel 5 by 4 metal rods 2 and 4 first metal tubes 3, respectively.
The embodiment of the invention also provides a magnetic suspension train, which adopts the high-temperature superconducting magnet supporting device of the embodiment, can ensure the stable operation of the magnetic suspension train and improve the working reliability of the magnetic suspension train.
In summary, the high-temperature superconducting magnet supporting device according to the embodiment of the invention effectively supports the periphery and the central position of the superconducting magnet coil skeleton, thereby not only ensuring the effectiveness of force conduction, but also ensuring the stability of the structure, and simultaneously effectively reducing conduction heat leakage. The magnetic suspension train provided by the embodiment of the invention can ensure the stable operation of the magnetic suspension train and improve the working reliability of the magnetic suspension train due to the adoption of the high-temperature superconducting magnet supporting device.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "a plurality" means one or more; "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A high temperature superconducting magnet strutting arrangement which characterized in that: the superconducting magnet coil framework comprises an annular magnet and at least one connecting beam, two ends of each connecting beam are respectively connected with two opposite sides of an inner ring of the annular magnet, first mounting holes are distributed on the periphery of the annular magnet, and second mounting holes are respectively formed in each connecting beam; the first supporting mechanism comprises metal rods which correspond to the first mounting holes one by one, and the metal rods penetrate through the first mounting holes; the second supporting mechanism comprises first metal pipes which correspond to the second mounting holes one by one, and the first metal pipes penetrate through the second mounting holes.
2. The high temperature superconducting magnet support apparatus according to claim 1, wherein: the outer side wall of the metal rod is tightly matched with the inner side wall of the first mounting hole, and the outer side wall of the first metal pipe is in clearance fit with the inner side wall of the second mounting hole.
3. The high temperature superconducting magnet support apparatus according to claim 1, wherein: the superconducting magnet coil framework is sleeved outside the superconducting magnet coil framework, and the superconducting magnet coil framework and the inner side wall of the cold shield are arranged at intervals; the cold screen is provided with a first cold screen through hole corresponding to the first mounting hole and a second cold screen through hole corresponding to the second mounting hole, the metal rod penetrates through the first cold screen through hole, and the first metal pipe penetrates through the second cold screen through hole.
4. A high temperature superconducting magnet support apparatus according to claim 3, wherein: the vacuum container is sleeved outside the cold shield, and the outer side wall of the cold shield and the inner side wall of the vacuum container are arranged at intervals; the vacuum container is provided with a first container through hole corresponding to the first mounting hole and a second container through hole corresponding to the second mounting hole, the metal rod penetrates through the first container through hole, and the first metal pipe penetrates through the second container through hole.
5. A high temperature superconducting magnet support apparatus according to claim 3, wherein: the outer side surface of the metal rod is provided with a limiting bulge, and the limiting bulge is fixedly connected with the outer side wall of the cold shield.
6. A high temperature superconducting magnet support apparatus according to claim 3, wherein: the second metal pipe penetrates through the second mounting hole, is sleeved outside the first metal pipe, and is in clearance fit with the first metal pipe; and flanges are respectively arranged at two ends of the second metal pipe, and the flanges are fixedly connected with the inner side wall of the cold shield.
7. The high temperature superconducting magnet support apparatus according to claim 6, wherein: and an insulating film is arranged on the inner side wall of the second metal pipe.
8. The high temperature superconducting magnet support apparatus according to claim 6, wherein: the first metal pipe is a stainless steel pipe, and the second metal pipe is a copper pipe.
9. The high temperature superconducting magnet support apparatus according to claim 4, wherein: end covers are respectively arranged at two ends of the metal rod and are fixedly connected with the outer side wall of the vacuum container; and two ends of the first metal pipe are respectively connected and fixed with the outer side wall of the vacuum container.
10. The high temperature superconducting magnet support apparatus according to claim 1, wherein: a hollow cavity is arranged in the metal rod and extends along the axial direction of the metal rod; the metal rod is provided with a vacuumizing hole, one end of the vacuumizing hole is communicated with the hollow cavity, and the other end of the vacuumizing hole is communicated with the outside of the metal rod.
11. A magnetic levitation train, characterized by: comprising a high temperature superconducting magnet support according to any of claims 1-10.
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| CN201911067861.0A CN110957098B (en) | 2019-11-04 | 2019-11-04 | High-temperature superconducting magnet supporting device and magnetic levitation train |
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| CN201911067861.0A CN110957098B (en) | 2019-11-04 | 2019-11-04 | High-temperature superconducting magnet supporting device and magnetic levitation train |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216467A (en) * | 2020-09-16 | 2021-01-12 | 中车长春轨道客车股份有限公司 | A main support rod structure suitable for high temperature superconducting magnets |
| CN113511223A (en) * | 2020-04-10 | 2021-10-19 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Magnetic suspension track system |
| CN113936883A (en) * | 2020-07-14 | 2022-01-14 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Dynamic low-temperature superconducting magnet |
| CN114823037A (en) * | 2021-01-22 | 2022-07-29 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Support structures for superconducting magnets, superconducting magnets and maglev trains |
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| CN113936883B (en) * | 2020-07-14 | 2023-09-12 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Dynamic low temperature superconducting magnet |
| CN112216467A (en) * | 2020-09-16 | 2021-01-12 | 中车长春轨道客车股份有限公司 | A main support rod structure suitable for high temperature superconducting magnets |
| CN114823037A (en) * | 2021-01-22 | 2022-07-29 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Support structures for superconducting magnets, superconducting magnets and maglev trains |
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