Superconducting magnetic levitation U-shaped track beam and preparation method thereof

Abstract

The invention discloses a superconducting magnetic levitation U-shaped track beam and a preparation method thereof, and belongs to the technical field of bridge engineering.The superconducting magnetic levitation U-shaped track beam is used for running of a magnetic levitation train with superconducting coils arranged on the two sides of a train body, and the track beam comprises a plurality of track beam sections which are sequentially spliced in the longitudinal direction; each track beam section comprises a main beam body and two side plates arranged on the two transverse sides of the main beam body respectively, the two side plates and the main beam body are integrally formed to form a U-shaped beam body structure, a maglev train can run in the U-shaped beam body, mounting grooves are formed in the inner side wall faces of the two side plates and used for mounting ground coils, and the invention further provides a preparation method of the superconducting maglev U-shaped track beam. The superconducting magnetic levitation U-shaped track beam is formed by splicing the multiple track beam sections, the main beam body and the two side plates in the track beam sections are integrally formed, the number of joints of the track beam is greatly reduced, the smooth performance of the track beam is guaranteed, and the overall stability of a magnetic levitation track system is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bridge engineering, and particularly relates to a superconducting magnetic levitation U-shaped track beam and a preparation method thereof. BACKGROUND

[0002] The superconducting magnetic levitation train is a high-speed train using superconducting magnetic levitation technology and electric drive technology, wherein the train runs in a U-shaped track, the train is provided with a superconducting coil, ground coils are arranged on both sides of the track, the ground coils include traction coils, guide coils and levitation coils, and under the action of the ground coils and the superconducting coil, the vehicle can be levitated on the track, the frictional resistance of the traditional track train is eliminated, higher running speed and lower energy consumption are achieved. With the rapid development of superconducting magnetic levitation technology, the superconducting magnetic levitation train is expected to become one of the main means of inter-city high-speed transportation.

[0003] The existing superconducting magnetic levitation track structure is usually manufactured by on-site pouring, which has a large amount of work and is inconvenient to construct. Therefore, technical personnel proposes an assembled superconducting magnetic levitation track structure, which is formed by assembling a plurality of prefabricated parts. However, this arrangement has the problem of a large number of joints, especially when applied to a bridge, including the joints of the track structure itself and the joints between the track structure and the bridge. When the number of joints is too large, it can easily lead to poor track smoothness, thereby causing a series of problems.

[0004] Therefore, there is currently a need for a track beam structure for superconducting magnetic levitation to reduce the number of joints and improve the smoothness. SUMMARY

[0005] In view of one or more of the above defects or improvement needs of the prior art, the application provides a superconducting magnetic levitation U-shaped track beam and a preparation method thereof, wherein the track beam segments are integrally formed to improve the smoothness of the magnetic levitation track.

[0006] To achieve the above-mentioned purpose, the application provides a superconducting magnetic levitation U-shaped track beam for the operation of a magnetic levitation train provided with superconducting coils on both sides of the vehicle body, characterized in that it comprises a plurality of track beam segments arranged in sequence along the longitudinal direction. The track beam segment comprises a main beam body extending in the longitudinal direction and two side plates arranged on both sides of the main beam body in the transverse direction. The two side plates and the main beam body are integrally formed and form a U-shaped beam body structure, so that the magnetic levitation train can run in the internal space of the U-shaped beam body. An installation groove penetrating the longitudinal direction of both end surfaces is formed on the inner side wall surface of each side plate for installing ground coils that are inductively matched with the superconducting coils.

[0007] As a further improvement of the present application, through holes are formed in the main beam body and / or the side plates and extend through the longitudinal end faces thereof.

[0008] As a further improvement of the present application, a communication hole is formed in the inner side wall face of the track beam segment and communicates with the through hole.

[0009] As a further improvement of the present application, the track beam segment is a reinforced concrete structure, and at least part of the reinforcing structure in the reinforced concrete structure is non-magnetic reinforcing steel, and / or the concrete material of the reinforced concrete structure is prestressed concrete.

[0010] As a further improvement of the present application, a positioning part is arranged between two adjacent track beam segments, the positioning part includes a positioning joint arranged on the adjacent end face of the two track beam segments and a positioning interface, and the positioning joint can be matched and docked with the positioning interface.

[0011] As a further improvement of the present application, the bottom face of the main beam body and the outer side wall face of the side plate are transitioned by a circular arc; and / or, the included angle formed by the outer side wall face of the side plate and the bottom face of the main beam body in the longitudinal cross section is obtuse.

[0012] As another aspect of the present application, a preparation method of a superconducting magnetic levitation U-shaped track beam is also provided for the construction of the superconducting magnetic levitation U-shaped track beam, which comprises the following steps: S1, structure design of the track beam segment is performed to obtain various size parameters of the track beam segment; S2, a corresponding mold is configured according to the various size parameters of the track beam segment; S3, the mold is assembled to form a cavity, and concrete is poured into the cavity to form the track beam segment; S4, the mold is removed, and the track beam segment is trimmed to complete the preparation of the track beam segment; S5, the track beam segment is stored and maintained; S6, steps S1-S5 are repeated to complete the preparation of each track beam segment in the superconducting magnetic levitation U-shaped track beam, and then the preparation of the superconducting magnetic levitation U-shaped track beam is completed.

[0013] As a further improvement of the present application, in step S1, the stiffness analysis of the track beam segment is also included, and the stiffness analysis comprises the following steps: A1, a structure calculation model of the track beam segment is established; A2, the structure calculation model is simplified according to the support conditions of the track beam segment; A3, parameter information of the track beam segment is determined; A4. Combine the simplified structural calculation model and parameter information with finite element software, and perform modeling analysis to obtain the long-term deflection f; A5. Compare whether the long-term deflection f is less than the specified deflection limit. If it is, the stiffness is qualified; otherwise, the stiffness is unqualified, and proceed to step A6. A6. Adjust the parameter information of the track beam segment and repeat the above steps A1~A5 until the stiffness is qualified.

[0014] As a further improvement of the present invention, step S3 includes the following steps: S31. Arrange a base, and arrange side molds on both sides of the base for forming the outer structure of the track beam segment; S32. Arrange the steel reinforcement structure of the track beam segment in the two side molds; S33. End molds are arranged at both ends of the longitudinal direction of the platform for forming the end structure of the track beam segment; S34. An inner mold is arranged between the two end molds to form through holes in the track beam segment; S35. A top mold is arranged between the two side molds for forming the inner wall structure of the track beam segment, and at the same time forming the cavity to be poured. S36. Pour concrete into the cavity to form a track beam segment.

[0015] As a further improvement of the present invention, step S4 includes the following specific steps: S41. After the track beam segments are formed, remove each mold in sequence; S42. A connecting hole that communicates with the through hole is provided on the inner wall of the track beam segment; S43. Level the surface of the track beam segment, remove residue, and complete the preparation of the track beam segment.

[0016] The aforementioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0017] In summary, the beneficial effects of the above-described technical solutions conceived by this invention compared with the prior art include: (1) The superconducting maglev U-shaped track beam of the present invention is formed by integrally molding the main beam body and the two side plates to obtain an integrated beam-track structure, which reduces the number of joints and thus reduces the track irregularity, thereby improving the overall stability of the maglev rail transit system. (2) The superconducting magnetic levitation U-shaped track beam of the application has a through hole penetrating through the longitudinal two end faces of the main beam body and / or the side plate, and a communication hole corresponding to the through hole and communicating with the through hole is arranged on the inner side wall surface of the track beam segment, so that the inside of the through hole can also be provided with related electrical equipment to utilize the internal space of the track beam segment; (3) The superconducting magnetic levitation U-shaped track beam of the application has an internal structure steel bar arranged as a non-magnetic steel bar to avoid affecting the ground coil, and adopts prestressed concrete to realize the lightweight and strength improvement of the track beam segment; (4) The preparation method of the superconducting magnetic levitation U-shaped track beam of the application performs structure design on the track beam segment, and prefabricates each track beam segment in a factory to complete the preparation of the superconducting magnetic levitation U-shaped track beam, and the superconducting magnetic levitation U-shaped track beam is composed of a plurality of track beam segments, which are transported to the site for construction, thereby improving the construction efficiency, reducing the construction difficulty, and being applicable to large-span bridge structures and high-speed magnetic levitation long-distance trunk line projects. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of the superconducting magnetic levitation U-shaped track beam, the magnetic levitation train and the matching equipment in the embodiment of the application; Figure 2 is a structure schematic view of the superconducting magnetic levitation U-shaped track beam and the pier in the embodiment of the application; In all the drawings, the same reference signs represent the same technical features, specifically: 1, track beam segment; 101, main beam body; 102, side plate; 103, mounting groove; 104, through hole; 2, magnetic levitation train; 3, ground coil; 4, running plate; 5, pier. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the application more clear and explicit, the application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the application and do not limit the application. In addition, the technical features involved in each embodiment of the application described below can be combined with each other as long as there is no conflict.

[0020] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0021] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0024] Embodiment: Please refer to Figure 1 , 2 The superconducting magnetic levitation U-shaped track beam in the preferred embodiment of the present application is used for the operation of the magnetic levitation train 2, and the on-board superconducting coil of the magnetic levitation train 2 is located on both sides of the magnetic levitation train 2. The superconducting magnetic levitation U-shaped track beam comprises a plurality of track beam segments 1 arranged in sequence along the longitudinal direction, and the track beam segment 1 is a reinforced concrete structure.

[0025] Specifically, the track beam segment 1 is provided with a main beam body 101 extending in the longitudinal direction, the main beam body 101 can be arranged on the pier 5, and the side plates 102 are arranged on the two sides of the main beam body 101 in the transverse direction, the length of the side plates 102 in the longitudinal direction is equal to the length of the main beam body 101 in the longitudinal direction, and then the two end faces of the side plates 102 in the longitudinal direction are flush with the two end faces of the main beam body 101 in the longitudinal direction, the bottom end of the side plate 102 is fixedly connected with the side edge of the main beam body 101 in the transverse direction, and the two side plates 102 and the main beam body 101 are integrally formed to form a U-shaped track beam structure, and a U-shaped groove is formed in the inside of the U-shaped track beam structure, and the maglev train 2 is arranged in the U-shaped groove formed by the track beam segment 1 and reciprocates in the longitudinal direction. The installation grooves 103 penetrating the two end faces in the longitudinal direction are formed on the inner side walls of the two side plates 102, and are used to install the ground coils 3, and the ground coils 3 and the superconducting coils carried by the maglev train 2 are used to realize the running of the maglev train 2.

[0026] Further, a plurality of sleeves are embedded in the top surface of the main beam body 101 (i.e. the groove bottom of the U-shaped groove), so that a plurality of connecting positions are formed on the top surface of the main beam body 101, and the running plates 4 are installed, so that the maglev train 2 travels on the running plates 4 at all times when the maglev train 2 is in a non-suspended state.

[0027] Further preferably, a plurality of functional parts are arranged on the groove bottom of the installation groove 103, which are used for the installation of the ground coils 3, and the functional parts can be embedded in the side plate 102 or fixedly connected with the side plate 102.

[0028] Further, the through holes 104 penetrating the two end faces in the longitudinal direction are formed on the main beam body 101 and / or the side plate 102, so that a cavity is formed in the middle of the U-shaped track beam, which is used to reduce the structural weight of the track beam.

[0029] Further preferably, the through holes 104 are communicated with the through holes 104, so that the related electrical equipment can be arranged in the through holes 104 and connected with the electrical equipment arranged in the U-shaped groove through the communication holes.

[0030] For example, the first through hole 104 penetrating the two end faces is formed on the side plate 102, and the first communication hole is formed on the groove bottom of the installation groove 103, so that the ground coil 3 can be connected with the electrical equipment arranged in the first through hole 104 through the first communication hole, so as to realize the power supply and control of the ground coil 3.

[0031] Further, a plurality of second through holes 104 are formed in the main beam body 101 and extend through the two end faces of the main beam body 101, and a second communication hole is formed in the top face of the main beam body 101, and a corresponding electrical device is arranged on the top face of the main beam body 101, and the electrical device arranged in the second through hole 104 is connected to the electrical device through the second communication hole.

[0032] Further, the track beam segment 1 is a reinforced concrete structure, and at least part of the internal structure steel bars are non-magnetic steel bars to avoid affecting the ground coil 3. Further preferably, the steel bar structure within a range of 1.5 m in radius with any point of the ground coil 3 as the center is adopted as the non-magnetic steel bar to ensure that the non-magnetic steel bar is arranged within the influence range of the ground coil 3.

[0033] Further, the concrete material adopted by the track beam segment 1 is prestressed concrete, which has the characteristics of high strength and light weight and can meet the functional requirements of bearing train load and magnetic levitation system.

[0034] Further, a positioning part is arranged between the two adjacent track beam segments 1 to realize the positioning butt joint of the track beam segment 1, thereby ensuring the positioning accuracy of the track beam segment 1. Further preferably, the positioning part includes a positioning connector and a positioning interface arranged on the two adjacent end faces of the two track beam segments 1, and the two track beam segments 1 are precisely positioned through the matching butt joint of the positioning connector and the positioning interface, thereby improving the smoothness of the U-shaped track beam structure.

[0035] Further, the included angle between the outer side wall face of the side plate 102 and the bottom face of the main beam body 101 in the longitudinal cross section is an obtuse angle, so that the length of the top face of the track beam segment 1 in the transverse direction is greater than the length of the bottom face of the main beam body 101 in the transverse direction, thereby forming a certain working space on the top face, facilitating the later construction and daily maintenance. Preferably, the outer side wall face of the side plate 102 and the bottom face of the main beam body 101 are circularly arc transitioned.

[0036] Further, a preparation method of the superconducting magnetic levitation U-shaped track beam is also provided, which includes the following steps: S1, performing U-shaped track beam structure design to obtain various size parameters of the U-shaped track beam structure, and then obtaining various size parameters of each track beam segment 1; S2, configuring a plurality of corresponding molds according to the various size parameters of the track beam, and assembling the molds to form a mold cavity; S3, pouring concrete into the mold cavity to form the track beam segment 1; S4, removing the mold and trimming the track beam segment 1; S5, storing and maintaining the track beam segment 1; S6, repeating steps S1-S5 to complete the preparation of each track beam segment in the superconducting magnetic levitation U-shaped track beam, and then complete the preparation of the superconducting magnetic levitation U-shaped track beam.

[0037] In step S1, when the structural design of the track beam segment 1 is performed, the stiffness analysis and temperature deformation analysis of the structure are required, especially when the track beam segment 1 is in a U-shaped structure and adopts an integrated structural design, the stiffness analysis is particularly important, and the stiffness analysis of the track beam segment 1 includes the following steps: A1, establishing a structural calculation model of the track beam segment 1; A2, simplifying the structural calculation model according to the support conditions of the track beam segment 1; A3, determining the parameter information of the track beam segment 1; A4, combining the finite element software to perform modeling analysis and obtain the long-term deflection f; A5, comparing whether the long-term deflection f is less than the specified deflection limit, if yes, the stiffness is qualified, if not, the stiffness is unqualified, and turning to step A6; A6, adjusting the parameter information of the track beam segment, and repeating the above steps A1-A5 until the stiffness is qualified.

[0038] In step A2, the support conditions include simply supported, continuous and the like, so the calculation model can be simplified into a simply supported beam structure calculation model and a continuous beam structure calculation model; In step A3, the parameter information includes the calculation span L, the load action form and the steel reinforcement configuration, wherein the load action form includes the uniform load (such as the self-weight of the beam structure, the bridge pavement, etc.), the concentrated load (such as the vehicle wheel pressure, etc.), or the combination of the two; and the steel reinforcement configuration includes the number, diameter and arrangement position (such as the tension zone, the compression zone) of the longitudinal force steel reinforcement (prestressed reinforcement or ordinary steel reinforcement), the configuration of the stirrup and the structural steel reinforcement (the structural steel reinforcement may affect the calculation of the interface moment of inertia).

[0039] Further, in step S1, after obtaining the size of the track beam segment 1, the model can be constructed according to the size parameters of each track beam segment 1 for rechecking and calculation, each track beam segment 1 is combined and assembled to form a track beam structure, and the formed beam structure is measured and calculated for rechecking, and after the rechecking is qualified, the track beam segment 1 is prepared according to the size parameters of each track beam segment 1.

[0040] Further, in step A6, the parameter information of the track beam segment to be adjusted includes the cross-sectional size or the steel reinforcement configuration of the track beam segment.

[0041] Further preferably, when the structural design of the track beam segment 1 is performed, the number of through holes 104 can be designed according to the matching requirements of electrical equipment, but the stiffness requirement of the beam cross section needs to be met.

[0042] In step S2, the corresponding mold includes a seat, side molds arranged on both sides of the seat in the transverse direction, end molds arranged at both ends of the seat in the longitudinal direction, an inner mold for forming the through hole 104, and a top mold for forming the U-shaped groove.

[0043] Further, protrusions are arranged on the outer side walls of the top mold, which extend in the longitudinal direction, for forming the inner side mounting groove 103 of the track beam segment 1.

[0044] Further, step S3 includes the following steps: S31, arranging the seat, and arranging the side molds on both sides of the seat in the transverse direction, for forming the outer side structure of the track beam segment 1; S32, arranging the reinforcing structure in the track beam segment 1 in the two side molds; S33, arranging the end molds at both ends of the seat in the longitudinal direction, for forming the end structure of the track beam segment 1; S34, arranging the inner mold between the two end molds, for forming the through hole 104 in the track beam segment 1; S35, arranging the top mold between the two side molds, for forming the inner side wall structure of the track beam segment 1, and forming the cavity to be poured; S36, pouring concrete into the cavity to form the track beam segment.

[0045] Further, a plurality of through holes are arranged on the end molds, so that the inner mold can be arranged therein, and the longitudinal ends of the inner mold are connected with the two end molds respectively, so that the relative position between the inner mold and the seat is kept constant, and the end molds are also arranged in the form of a "concave" with a groove structure in the cross section in the longitudinal direction, so that the top mold can be arranged on the two end molds.

[0046] Further preferably, the reinforcing structure can be a prefabricated steel frame structure, which can be directly placed in the two side molds after the two side molds are arranged, to improve the preparation efficiency of the track beam segment 1.

[0047] Further, a pre-buried sleeve is arranged in the steel frame structure, which can be a sleeve arranged on the top of the girder body 101 after pouring concrete, for connecting with the running plate 4.

[0048] Further preferably, the center axis and the elevation control line of the functional part can be marked on the mold or the steel frame structure by a laser line projector, and the actual position of the functional part is reviewed by a total station, and if the deviation exceeds the allowable value, it needs to be adjusted in time, to ensure the position accuracy of the functional part in the mounting groove 103, and then ensure the installation accuracy of the ground coil 3, so that the magnetic field distribution is uniform in actual use, and the interaction between the ground coil 3 and the vehicle-mounted superconducting magnet is stable.

[0049] In step S4, the following steps are included: S41, after pouring, sequentially remove each mold; S42, a communication hole is formed on the inner side wall surface of the track beam segment 1, which is in communication with the through hole 104; S43, the surface of the track beam segment 1 is flattened, and the residual is removed.

[0050] Further, in step S41, the demolding sequence is to remove the end mold first, then remove the inner mold, remove the top mold, and finally remove the side mold, to complete the demolding process of the track beam segment 1.

[0051] Further, in step S42, the communication hole is formed on the groove bottom of the installation groove 103 and the top surface of the main beam body 101, and the space required for the steel frame structure needs to be left out of the communication hole, so that the position of the communication hole will not appear when the hole is opened. Reinforced structure.

[0052] Further, in step S43, the surface of the track beam segment 1 is checked, and if a small amount of honeycomb and pitted surface is found on the surface of the track beam segment 1, repair mortar is used for filling, and if the corner defect is found, special repair agent is used for repairing, and the concrete residue on the embedded sleeve and embedded functional parts is removed, to ensure the smooth installation of the subsequent running plate 4 and ground coil 3.

[0053] Further preferably, the repair mortar is mixed with the same strength grade of concrete as the track beam segment 1.

[0054] Further, in the construction of the superconducting magnetic levitation U-shaped track beam, each track beam segment 1 can be assembled to form a superconducting magnetic levitation U-shaped track beam, and then the ground coil 3, the running plate 4 and other related structures and equipment are installed, or the ground coil 3, the running plate 4 and other related equipment can be pre-installed in each track beam segment 1 after the track beam segment 1 arrives at the construction site, and after the installation process is completed, the corresponding electrical connection and other subsequent processes are carried out after the beam body splicing is completed, to improve the construction efficiency.

[0055] Those skilled in the art will readily understand that the above description is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A superconducting maglev U-shaped track beam for the operation of a maglev train provided with superconducting coils on both sides of a vehicle body, characterized in that, The track beam section comprises a plurality of track beam segments sequentially spliced in the longitudinal direction; The track beam section comprises a main beam body extending in the longitudinal direction and two side plates arranged on both sides of the main beam body in the transverse direction; The two side plates are integrally formed with the main beam body and form a U-shaped beam body structure, so that the maglev train can run in the internal space of the U-shaped beam body; The inner side wall surface of each of the two side plates is provided with a mounting groove penetrating the longitudinal two end surfaces thereof, for mounting a ground coil matched with the superconducting coil.

2. The superconducting Maglev U-Beam of claim 1, wherein, The main beam body and / or the side plate are provided with a through hole penetrating the longitudinal two end surfaces thereof.

3. The superconducting Maglev U-Beam of claim 2, wherein, The inner side wall surface of the track beam section is provided with a communication hole in communication with the through hole.

4. The superconducting maglev U-beam of any one of claims 1-3, wherein, The track beam section is a reinforced concrete structure, and At least part of the steel structure in the reinforced concrete structure is non-magnetic steel, and / or the concrete material of the reinforced concrete structure is prestressed concrete.

5. The superconducting maglev U-beam of any one of claims 1-3, wherein, A positioning part is arranged between the two adjacent track beam sections, and the positioning part comprises a positioning joint arranged on the adjacent end surface of the two track beam sections and a positioning interface, and the positioning joint is matched and connected with the positioning interface.

6. The superconducting maglev U-beam of any one of claims 1-3, wherein, The bottom surface of the main beam body and the outer side wall surface of the side plate are circularly arc transitioned; And / or, The included angle between the outer side wall surface of the side plate and the bottom surface of the main beam body in the longitudinal cross section is obtuse.

7. A method for manufacturing a superconducting maglev U-beam, for manufacturing a superconducting maglev U-beam according to any one of claims 1 to 6, characterized in that The method comprises the following steps: S1, structure design of the track beam section is performed to obtain various size parameters of the track beam section; S2, a corresponding mold is configured according to the various size parameters of the track beam section; S3, the mold is assembled to form a mold cavity, and concrete is poured into the mold cavity to form the track beam section; S4, the mold is removed, and the track beam section is trimmed to complete the preparation of the track beam section; S5, the track beam section is stored and maintained; S6, steps S1-S5 are repeated to complete the preparation of each track beam section in the superconducting maglev U-shaped track beam, and then the preparation of the superconducting maglev U-shaped track beam is completed.

8. The method of claim 7, wherein the superconducting maglev U-beam is prepared by the steps of: In step S1, the stiffness analysis of the track beam section is also included, and the stiffness analysis comprises the following steps: A1, a structure calculation model of the track beam section is established; A2, the structure calculation model is simplified according to the support conditions of the track beam section; A3, parameter information of the track beam section is determined; A4, the simplified structure calculation model and the parameter information are combined with finite element software, and modeling analysis is performed to obtain a long-term deflection f; A5, whether the long-term deflection f is less than a specified deflection limit value is compared, if yes, the stiffness is qualified, if not, the stiffness is unqualified, and step A6 is turned to; A6, the parameter information of the track beam section is adjusted, and the above steps A1-A5 are repeated until the stiffness is qualified.

9. The method of claim 7, wherein the superconducting maglev U-beam is prepared by the steps of: In step S3, the following steps are included: S31, a seat is arranged, and side molds are arranged on both sides of the seat in the transverse direction for forming the outer side structure of the track beam section; S32, a steel structure in the track beam section is arranged in the two side molds; S33, end molds are arranged on both ends of the seat in the longitudinal direction for forming the end structure of the track beam section; S34, an inner mold is arranged between the two end molds for forming a through hole in the track beam section; S35, a top mold is arranged between the two side molds, used for forming the inner side wall surface structure of the track beam segment, and a cavity to be poured is formed at the same time; S36, concrete is poured into the cavity to form the track beam segment.

10. The method of claim 9, wherein the superconducting maglev U-beam is prepared by the steps of: In step S4, the following specific steps are included: S41, after the track beam segment is formed, each mold is sequentially removed; S42, a communication hole in communication with the through hole is formed on the inner side wall surface of the track beam segment; S43, the surface of the track beam segment is flattened, and residual materials are removed, and the preparation of the track beam segment is completed.

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