CN111376921A - Split type vacuum pipeline structure and magnetic suspension high-speed train using same - Google Patents
Split type vacuum pipeline structure and magnetic suspension high-speed train using same Download PDFInfo
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- CN111376921A CN111376921A CN201811626991.9A CN201811626991A CN111376921A CN 111376921 A CN111376921 A CN 111376921A CN 201811626991 A CN201811626991 A CN 201811626991A CN 111376921 A CN111376921 A CN 111376921A
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- pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/10—Tunnel systems
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
- E01B25/32—Stators, guide rails or slide rails
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Abstract
The invention provides a split type vacuum pipeline structure and a magnetic suspension high-speed train using the same, wherein the split type vacuum pipeline structure comprises: a first structure; the second structure is used for providing a running track for the vehicle, the second structure is arranged at the lower part of the first structure, the first structure is connected with the second structure to form a pipeline body, the pipeline body is used for providing an air-tight vacuum pipeline environment, and the cross section height of the pipeline body is larger than the cross section width. By applying the technical scheme of the invention, the technical problems of high line construction cost, large floor area and large construction difficulty in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of vacuum pipeline traffic systems, in particular to a split type vacuum pipeline structure and a magnetic suspension high-speed train using the same.
Background
For mass transportation vehicles running at high speed, no matter an airplane or a high-speed rail, the main running resistance of the vehicles is air resistance, the air resistance limits the speed increase, and huge energy consumption is formed.
At present, the vacuum pipes are not in the engineering implementation and application stage all over the world, and from the disclosed information, the cross-sectional shape of all the vacuum pipes is a complete circular pipe structure, and the rail is built at the bottom of the circular pipe, as shown in fig. 3 and 4. The vacuum pipeline with the circular pipe structure is not beneficial to improving the vertical rigidity of the section, the occupied area in the horizontal direction is large, the pipeline erection difficulty is large, and the construction investment cost of the vacuum pipeline is high. This form of vacuum line suffers from several technical disadvantages.
First, the strength properties of concrete materials and steel materials are not fully developed. The action load on the pipeline when the vehicle runs in the vacuum pipeline is mainly vertical, so that the section of the pipeline is required to have high bending rigidity in the vertical direction, too high rigidity is not required in the horizontal direction, and the bending capacities of the whole circular steel pipe in the vertical direction and the horizontal direction are the same, so that the design is unreasonable. In addition, the section geometry of the concrete part cannot be designed too high due to the limitation of the round pipe, more materials are distributed in the horizontal direction, the vertical rigidity of the pipeline is insufficient, the horizontal rigidity is excessive, and the strength performance of the materials is not fully utilized.
Second, construction at the overpass section is difficult. When the vacuum pipeline is used, the vacuum pipeline is made into a section with the length of dozens of meters, the vacuum pipeline is installed on a viaduct by using bridging equipment, the upper side of the pipeline of the whole circular pipe structure is arc-shaped, only one layer of steel plate is arranged, and the dead weight of a bridge girder erection machine cannot be borne, so that the engineering construction difficulty of the vacuum pipeline is high, and the problem of high construction cost is caused.
Thirdly, the pipeline constructed by the pipeline occupies a large area. Because the transverse and vertical dimensions of the circular tube are the same, the diameter of the circular tube must be increased in order to increase the bending vertical rigidity, and the increase of the transverse dimension increases the occupied area of the vacuum pipeline circuit, which causes the increase of the line construction cost.
Disclosure of Invention
The invention provides a split type vacuum pipeline structure and a magnetic suspension high-speed train using the same, which can solve the technical problems of high line construction cost, large floor area and large construction difficulty in the prior art.
According to an aspect of the present invention, there is provided a split type vacuum pipe structure including: a first structure; the second structure is used for providing a running track for the vehicle, the second structure is arranged at the lower part of the first structure, the first structure is connected with the second structure to form a pipeline body, the pipeline body is used for providing an air-tight vacuum pipeline environment, and the cross section height of the pipeline body is larger than the cross section width.
Further, the material of the first structure comprises steel, and the material of the second structure comprises concrete.
Further, split type vacuum pipeline structure still includes the sealing member, and the sealing member setting is in the hookup location of first structure and second structure, and the sealing member is used for realizing the sealing connection between first structure and the second structure.
Further, split type vacuum pipeline structure still includes the reinforcement, and the reinforcement welding is in the outside of pipeline body, and the reinforcement is used for improving the intensity of pipeline body and increasing split type vacuum pipeline structure's heat radiating area.
Further, split type vacuum pipeline structure includes a plurality of reinforcements, and a plurality of reinforcements are established on the pipeline body along the length direction spacer sleeve of pipeline body.
Further, the split type vacuum pipeline structure further comprises an airtight coating, and the airtight coating is coated outside the second structure; the material of the second structure also comprises an air-tight agent.
Further, the sealing element comprises a rubber strip, and the material of the airtight coating comprises asphalt.
Further, the structure of first structure is circular arc arch structure, and the structure of second structure is U type structure, and the second structure includes first lateral wall and second lateral wall, and the interval is provided with a plurality of first magnets in first lateral wall, and the interval is provided with a plurality of second magnets in the second lateral wall, and a plurality of first magnets and a plurality of second magnet one-to-one set up.
According to another aspect of the present invention, there is provided a maglev high-speed train using the split type vacuum pipe structure as described above.
By applying the technical scheme of the invention, the split type vacuum pipeline structure is provided, the pipeline body is split, the first structure and the second structure are connected to provide an airtight vacuum pipeline environment, the height and the width of the pipeline structure can be freely designed in such a way without mutual influence, and the height of the cross section of the pipeline body is set to be larger than the width of the cross section, so that the vertical rigidity of the pipeline can be effectively increased, and the transverse size and the floor area of a circuit are not increased. In addition, during construction of the elevated road section, the split type vacuum pipeline structure provided by the invention is a split type pipeline, so that the second structure positioned at the lower part can form a working route of a bridge girder erection machine during construction, and after the second structure positioned at the lower part of the vacuum pipeline structure is installed, the first structures at the upper part are installed in place one by using the bridge girder erection machine, so that the engineering construction is very convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 illustrates a front view of a split vacuum duct structure provided in accordance with an embodiment of the present invention;
FIG. 2 shows a side view of the split vacuum duct structure provided in FIG. 1;
FIG. 3 shows a front view of a prior art vacuum line;
fig. 4 shows a side view of the prior art vacuum line provided in fig. 3.
Wherein the figures include the following reference numerals:
10. a first structure; 20. a second structure; 21. a first side wall; 22. a second side wall; 23. a bottom foundation; 30. a seal member; 40. a reinforcement; 50. a hermetic coating; 60. and (4) bolts.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. 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 only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 and 2, according to an embodiment of the present invention, there is provided a split type vacuum duct structure including a first structure 10 and a second structure 20, the second structure 20 providing a running track for a vehicle, the second structure 20 being disposed at a lower portion of the first structure 10, the first structure 10 being connected with the second structure 20 to form a duct body for providing an airtight vacuum duct environment, the duct body having a cross-sectional height H greater than a cross-sectional width W.
By applying the configuration mode, the split type vacuum pipeline structure is provided, the pipeline body is arranged to be split, the first structure and the second structure are connected to be used for providing an airtight vacuum pipeline environment, the height size and the width size of the pipeline structure can be freely designed in the mode and are not influenced mutually, the height of the cross section of the pipeline body is set to be larger than the width of the cross section, and the transverse size and the occupied area of a circuit can not be increased while the vertical rigidity of the pipeline is effectively increased. In addition, during construction of the elevated road section, the split type vacuum pipeline structure provided by the invention is a split type pipeline, so that the second structure positioned at the lower part can form a working route of a bridge girder erection machine during construction, and after the second structure positioned at the lower part of the vacuum pipeline structure is installed, the bridge girder erection machine is used for installing the first structures at the upper part in place one by one, so that the engineering construction is very convenient, and the line construction cost is low.
Further, in the present invention, in order to be suitable for industrial applications and to improve the service life of the vacuum duct, the material of the first structure 10 may be configured to include steel, and the material of the second structure 20 may include concrete. As a specific embodiment of the invention, the load applied to the pipeline when the vehicle runs in the vacuum pipeline is mainly vertical, so that the section of the pipeline is required to have higher bending rigidity in the vertical direction, and excessive rigidity is not required in the horizontal direction. Because the split type vacuum pipeline structure provided by the invention is a split type pipeline, the height and width of the pipeline structure can be freely designed, and on the basis, the bending rigidity of the pipeline in the vertical direction can be increased according to the rigidity requirement of the pipeline in the actual operation of a vehicle, so that more concrete materials are distributed in the vertical direction, and the strength performance of the materials is fully utilized.
Further, in the present invention, the first structure 10 and the second structure 20 may be connected using bolts. Specifically, as shown in fig. 1, the upper steel first structure 10 and the lower concrete second structure 20 are connected by a plurality of bolts 60, before assembly, the bolts 60 are embedded in the lower concrete second structure 20, the distance between the bolts is tested according to actual requirements, holes are drilled in the upper steel first structure 10 according to the distance between the bolts, gaps between the bolts 60 and the bolt holes are controlled, the connection strength of the upper portion and the lower portion of the vacuum pipeline is enhanced, and the bearing integrity of the vacuum pipeline can be improved.
In addition, in the present invention, in order to ensure the working performance of the split type vacuum piping structure and prevent air leakage of the vacuum piping structure during operation, the split type vacuum piping structure may be configured to further include a sealing member 30, the sealing member 30 being disposed at a connection position of the first structure 10 and the second structure 20, the sealing member 30 being used to achieve a sealed connection between the first structure 10 and the second structure 20.
By applying the configuration mode, the sealing element is arranged at the connecting position of the first structure and the second structure, so that air leakage can be effectively prevented when the vacuum pipeline is vacuumized and a subsequent vehicle runs in the vacuum pipeline, and the working performance of the vacuum pipeline is improved. As an embodiment of the present invention, a rubber strip may be used as the sealing member 30, in such a manner that, when the vacuum is drawn in the vacuum pipe, the upper rigid first structure 10 is tightly pressed against the lower reinforced concrete second structure 20 by the sealing rubber strip structure under the action of several thousand tons of air pressure, thereby achieving a very good sealing effect. As other embodiments of the present invention, other materials with low rigidity and sealing performance may be used as the sealing member 30.
Further, in the present invention, in order to improve the strength of the vacuum pipeline structure and increase the heat dissipation area of the split vacuum pipeline structure, the split vacuum pipeline structure may be configured to further include a reinforcement 40, the reinforcement 40 is sleeved outside the pipeline body, and the reinforcement 40 is used to improve the strength of the pipeline body and increase the heat dissipation area of the split vacuum pipeline structure. As an embodiment of the present invention, a reinforcing plate may be used as the reinforcing member 40, and the reinforcing plate is welded to the pipe body.
In addition, in the present invention, in order to further improve the strength of the vacuum pipe structure and increase the heat dissipation area of the split vacuum pipe structure, the split vacuum pipe structure may be configured to include a plurality of reinforcing members 40, and the plurality of reinforcing members 40 are disposed on the pipe body at intervals along the length direction of the pipe body. As an embodiment of the present invention, a reinforcing rib plate may be used as the reinforcing member 40, as shown in fig. 2, the split vacuum pipeline structure configuration includes a plurality of reinforcing rib plates, and the plurality of reinforcing rib plates are welded to the pipeline body at regular intervals along the length direction of the pipeline body. This kind of mode can enough save the steel quantity, also can increase split type vacuum pipe structure's rigidity and intensity simultaneously, and in addition, the reinforcing rib plate structure can also increase the heat radiating area of pipeline, plays the effect of heat dissipation grid.
Further, in the present invention, in order to further improve the sealing performance of the vacuum duct, the split type vacuum duct structure may be configured to further include an airtight coating 50, the airtight coating 50 being coated outside the second structure 20; the material of the second structure also comprises an air-tight agent. In one embodiment of the present invention, the material of the airtight coating layer 50 includes asphalt, and the material of the second structure mainly includes concrete, in which a certain amount of an airtight agent is added to enhance the airtightness. As other embodiments of the present invention, other materials having an airtight function may be used as the airtight coating layer 50.
In addition, in the present invention, as shown in fig. 1, in order to ensure rapid operation of the vehicle in the vacuum duct, the first structure 10 may be configured to be a circular arc arch structure, the second structure 20 may be configured to be a U-shaped structure, the second structure 20 includes a first sidewall 21 and a second sidewall 22, a plurality of first magnets are disposed at intervals in the first sidewall 21, a plurality of second magnets are disposed at intervals in the second sidewall 22, and the plurality of first magnets and the plurality of second magnets are disposed in one-to-one correspondence. In addition, in the present invention, the second structure 20 further includes a bottom foundation 23, and the bottom foundation 23 is disposed between the first side wall 21 and the second side wall 22, wherein, in order to achieve light weight of the vacuum duct, a lightening hole is provided in the bottom foundation 23.
According to another aspect of the present invention, there is provided a maglev high-speed train using the split type vacuum pipe structure as described above. According to the split type vacuum pipeline structure, the pipeline body is split, the first structure and the second structure are connected to provide an airtight vacuum pipeline environment, so that the height and the width of the pipeline structure can be freely designed without influencing each other, and the height of the cross section of the pipeline body is larger than the width of the cross section, so that the vertical rigidity of the pipeline can be effectively improved, and the transverse size and the occupied area of a line are not increased. In addition, during construction of the elevated road section, the split type vacuum pipeline structure provided by the invention is a split type pipeline, the second structure positioned at the lower part can form a working route of a bridge girder erection machine during construction, and after the second structure positioned at the lower part of the vacuum pipeline structure is installed, the first structures at the upper part are installed in place one by using the bridge girder erection machine, so that the engineering construction is very convenient. Therefore, the magnetic suspension high-speed train can greatly improve the working performance of the magnetic suspension high-speed train by using the split type vacuum pipeline structure.
For further understanding of the present invention, the structure of the split vacuum duct of the present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1 and 2, according to a specific embodiment of the present invention, a split type vacuum pipe structure is provided, which includes a first structure 10, a second structure 20, a sealing member 30, a reinforcing member 40, and an airtight coating 50, a sealing rubber strip is used as the sealing member 30, a reinforcing metal plate is used as the reinforcing member 40, the first structure 10 is an arc-shaped structure, the second structure 20 is a U-shaped structure, the second structure 20 includes a first side wall 21 and a second side wall 22, a plurality of first magnets are spaced in the first side wall 21, a plurality of second magnets are spaced in the second side wall 22, and the plurality of first magnets and the plurality of second magnets are arranged in a one-to-one correspondence manner. The first structure 10 is connected with a second structure 20 to form a duct body, the second structure 20 is used for providing a running track for a vehicle, the second structure 20 is arranged at the lower part of the first structure 10, the duct body is used for providing an airtight vacuum duct environment, and the cross-section height H of the duct body is larger than the cross-section width W.
The first structure 10 is of a semicircular arched structure formed by sheet steel plates, and a plurality of reinforcing rib plates are welded longitudinally along the pipeline, so that the steel consumption can be saved, and the rigidity and the strength of the structure can be increased. In addition, the reinforcing rib plate can also increase the heat dissipation area of the pipeline and play a role of a heat dissipation grid. The second structure 20 is mainly made of reinforced concrete, in which a certain amount of air-tight agent is added to improve the air-tightness of the pipe. In order to further provide air tightness of the pipeline, an air-tight coating 50 is applied and sprayed on the outer side of the second structure 20, and the air-tight coating 50 may be made of an air-tight material such as asphalt.
Use the sealing rubber strip to seal between first structure 10 and the second structure 20, adopt a plurality of bolts 60 to connect between first structure 10 on upper portion and the second structure 20 of lower part, before the assembly, bolt 60 is pre-buried in the second structure 20 of the concrete material of lower part, treat after the concrete curing cycle, the interval size between the test bolt, and drill in the first structure 10 of steel on upper portion according to the interval size between the bolt, control bolt 60 and the clearance of bolt hole, the joint strength of lower part on the reinforcing vacuum pipe, thereby can improve vacuum pipe's the integrative nature of bearing.
The height and width of the split vacuum pipeline structure can be freely designed, the height of the pipeline can be increased according to the requirement, the vertical rigidity of the pipeline is improved, the transverse size is controlled, the use of steel and concrete materials is reduced, and the floor area of a line is reduced.
The split type vacuum pipeline structure provided by the invention is very convenient for construction of elevated road sections, firstly, the concrete structures at the lower part are sequentially hoisted to the bridge piers by using the bridge girder erection machine, the concrete structures at the lower part form a running working line of the bridge girder erection machine, and after the concrete structures at the lower part are installed, the bridge girder erection machine is used for installing the upper structures in place one by one, so that the engineering construction is very convenient.
In conclusion, compared with the prior art, the split type vacuum pipeline structure provided by the invention can ensure the vertical rigidity of the pipeline, reduce the use of steel and concrete materials, reduce the floor area of a line, and is very convenient for engineering construction, and the factors effectively reduce the line construction cost of the vacuum pipeline.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a split type vacuum pipe structure, its characterized in that, split type vacuum pipe structure includes:
a first structure (10);
a second structure (20), the second structure (20) is used for providing a running track for a vehicle, the second structure (20) is arranged at the lower part of the first structure (10), the first structure (10) is connected with the second structure (20) to form a pipeline body, the pipeline body is used for providing an airtight vacuum pipeline environment, and the cross section height of the pipeline body is larger than the cross section width.
2. The split vacuum duct structure according to claim 1, characterized in that the material of the first structure (10) comprises steel and the material of the second structure (20) comprises concrete.
3. The split vacuum duct structure according to claim 2, characterized in that it further comprises a seal (30), said seal (30) being arranged at the connection location of the first structure (10) and the second structure (20), said seal (30) being used to achieve a sealed connection between the first structure (10) and the second structure (20).
4. The split vacuum duct structure according to any one of claims 1 to 3, further comprising a reinforcement (40), wherein the reinforcement (40) is welded to an outside of the duct body, and wherein the reinforcement (40) is used to improve a strength of the duct body and increase a heat dissipation area of the split vacuum duct structure.
5. The split vacuum duct structure according to claim 4, characterized in that the split vacuum duct structure comprises a plurality of reinforcing members (40), and the plurality of reinforcing members (40) are provided on the duct body at intervals along a length direction of the duct body.
6. The split vacuum duct structure according to claim 5, characterized in that it further comprises an airtight coating (50), said airtight coating (50) being applied outside the second structure (20); the material of the second structure (20) further comprises an air-tight agent.
7. The split vacuum duct structure according to claim 6, characterized in that the seal (30) comprises a rubber strip and the material of the airtight coating (50) comprises bitumen.
8. The split type vacuum pipeline structure according to any one of claims 1 to 3, wherein the first structure (10) is a circular arc arch structure, the second structure (20) is a U-shaped structure, the second structure (20) comprises a first side wall (21) and a second side wall (22), a plurality of first magnets are arranged in the first side wall (21) at intervals, a plurality of second magnets are arranged in the second side wall (22) at intervals, and the first magnets and the second magnets are arranged in a one-to-one correspondence manner.
9. A magnetically levitated high speed train, characterized in that the magnetically levitated high speed train uses the split type vacuum piping structure of any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811626991.9A CN111376921A (en) | 2018-12-28 | 2018-12-28 | Split type vacuum pipeline structure and magnetic suspension high-speed train using same |
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| CN201811626991.9A CN111376921A (en) | 2018-12-28 | 2018-12-28 | Split type vacuum pipeline structure and magnetic suspension high-speed train using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085910A (en) * | 2021-04-08 | 2021-07-09 | 山东大学 | Circumferential insulating pipeline structure and manufacturing method |
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| CN209779363U (en) * | 2018-12-28 | 2019-12-13 | 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） | split type vacuum pipeline structure and magnetic suspension high-speed train using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113085910A (en) * | 2021-04-08 | 2021-07-09 | 山东大学 | Circumferential insulating pipeline structure and manufacturing method |
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