Assembly type superconducting electric magnetic levitation track structure with stepless adjustment function

Abstract

The invention provides an assembly type superconducting electric magnetic levitation track structure with a stepless adjustment function, and relates to the field of train track engineering. The coil guide rails are symmetrically arranged on the top surface of the base, each coil guide rail comprises a mounting part used for mounting a ground coil and a supporting part located at the bottom of the mounting part, the mounting parts and the supporting parts are integrally formed, and each supporting part is provided with a plurality of mounting holes penetrating through the top and the bottom of the supporting part; the rail bearing table is fixedly connected with the base, is arranged between the coil guide rail and the base and is used for supporting the coil guide rail; the plurality of anchor bolts are in one-to-one correspondence with the plurality of mounting holes, one ends of the anchor bolts are connected with the rail bearing table, and the other ends of the anchor bolts penetrate through the mounting holes and are matched with locking nuts to fix the coil guide rail on the rail bearing table; an adjusting gap for adjusting the coil guide rail along the transverse direction is reserved between the mounting hole and the anchor bolt, and the coil guide rail is detachably provided with an eccentric sleeve for filling the adjusting gap in the mounting hole. The effect of improving the adjusting precision of the electric magnetic levitation track structure is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of train track engineering, and in particular to an assembled superconducting electric magnetic levitation track structure with a stepless adjustment function. Background Art

[0002] With the development of high-speed transportation, high-speed maglev transportation, as a cutting-edge transportation mode, has gradually become an important development direction for future inter-city high-speed transportation with its advantages of high speed, low noise and low energy consumption. High-speed maglev trains rely on maglev technology to suspend on the track. In order to ensure that they have sufficient stability, safety and comfort, the track structure of maglev trains requires extremely high precision. In order to meet the high-speed, safe and comfortable requirements of high-speed maglev transportation, the track structure must have extremely high smoothness, so as to effectively reduce the vibration and impact during the operation of the train, improve operational efficiency and ensure passenger experience.

[0003] The existing high-speed maglev track structure is usually composed of a vertical track plate and a support wheel running track, in which the vertical track plate undertakes key functions such as guidance and coil installation. In order to achieve high smoothness, these track plates need to strictly control the geometric shape and position accuracy during the manufacturing process, and their horizontal manufacturing deviation must be controlled within ±1mm. In addition, the laying accuracy of the track structure is crucial to the overall performance of the track. During the laying process, the error between the track plate and the ground coil needs to be controlled within the millimeter range. Regarding the above-mentioned related technologies, once the track structure has unevenness problems in the initial laying stage, these problems will gradually develop or even worsen with the increase of service time, bringing huge challenges to subsequent operation and maintenance. In particular, the existing track structure has obvious deficiencies in adjustment function, and the adjustment accuracy is difficult to reach below 1mm, which makes it difficult to completely eliminate vibration and impact during operation. Summary of the invention

[0004] In order to improve the problem of insufficient precision of existing tracks due to insufficient adjustment ability, the present application provides an assembled superconducting electric magnetic levitation track structure with a stepless adjustment function.

[0005] The present application provides an assembled superconducting electric magnetic levitation track structure with stepless adjustment function, which adopts the following technical solution: An assembled superconducting electric magnetic levitation track structure with stepless adjustment function, comprising: Base; The coil guide rails are symmetrically provided with two groups on the top surface of the base, including a mounting portion for mounting the ground coil and a support portion located at the bottom of the mounting portion, wherein the mounting portion and the support portion are integrally formed, and the support portion is provided with a plurality of mounting holes penetrating the top and the bottom thereof; and A rail support platform, fixedly connected to the base and disposed between the coil guide rail and the base, for supporting the coil guide rail; and Anchor bolts, which are provided in plurality and correspond one to one with the plurality of mounting holes, one end of which is connected to the rail support platform, and the other end passes through the mounting hole and cooperates with the locking nut to fix the coil guide rail to the rail support platform; An adjustment gap is reserved between the mounting hole and the anchor bolt for the coil guide rail to be adjusted laterally, and the coil guide rail is detachably provided with an eccentric sleeve in the mounting hole for filling the adjustment gap.

[0006] Furthermore, the eccentric sleeve includes an outer sleeve and an inner sleeve, the inner holes of the outer sleeve and the inner sleeve are both eccentrically arranged, the outer sleeve is arranged in the mounting hole and fits with the inner wall of the mounting hole, the inner sleeve is arranged in the outer sleeve and fits with the inner wall of the outer sleeve, and the anchor bolt is arranged in the inner sleeve and fits with the inner wall of the inner sleeve.

[0007] Furthermore, the narrow sides of the outer sleeve and the inner sleeve have the same thickness.

[0008] Furthermore, the rail support platform includes a plurality of support sleepers spaced apart along the length direction of the coil guide rail, a prefabricated screw barrel is embedded in the support sleeper, and the anchor bolt is threadedly connected to the prefabricated screw barrel.

[0009] Furthermore, a casting groove is provided in the base near the rail support platform, the supporting rail sleeper is contracted from bottom to top and is at least partially located in the casting groove, and a casting layer is provided in the casting groove to fill the supporting rail sleeper and the inner wall of the casting groove.

[0010] Furthermore, the base is provided with a plurality of protrusions on the side wall of the casting trough, and the plurality of protrusions are arranged at intervals along the length direction of the casting trough.

[0011] Furthermore, an insulating film is provided between the casting layer and the inner wall of the casting trough.

[0012] Furthermore, a plurality of height-adjusting gaskets are provided between the rail support platform and the coil guide rail, and the height-adjusting gaskets include a first gasket and a second gasket, one side of the first gasket is provided with a card slot, one side of the second gasket is provided with a card block, and the first gasket and the second gasket are matched by plugging into the card slot and the card block; Arc grooves are provided on the first pad near the slot and on the second pad near the block. When the block is plugged into the slot, the two arc grooves are spliced ​​into a circular hole for the anchor bolt to pass through.

[0013] Furthermore, a plurality of adjustment tool mounting holes for connecting adjustment tools are provided on both sides of the mounting portion.

[0014] Furthermore, a reference table surface is provided on one side of the support portion close to the mounting portion, the bottom of the ground coil abuts against the reference table surface, and a transverse pad is provided between the mounting portion and the ground coil.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting an eccentric sleeve and setting the eccentric sleeve as an outer sleeve and an inner sleeve, when the coil guide rail is adjusted laterally, the outer sleeve or the inner sleeve is pulled out of the mounting hole, and the coil guide rail is adjusted laterally by adjusting the tooling, and the inner hole position of the inner sleeve is aligned with the anchor bolt by rotating the outer sleeve or the inner sleeve, and then the outer sleeve or the inner sleeve is installed back into the mounting hole, so that the coil guide rail can be adjusted steplessly within a certain range without moving the rail support platform, which can not only ensure the high-precision installation or adjustment of the track structure, but also maintain the convenience of track structure adjustment and the stability of the structure; 2. By setting a casting trough on the base, and setting the rail support platform to be contracted from the bottom to the top, after completing the connection between the rail support platform and the coil guide rail, the rail support platform and the coil guide rail are installed in a corresponding position of the casting trough, and concrete is poured into the casting trough to form a casting layer, so that the coil guide rail and the rail support platform are more firmly fixed on the base; the base is provided with a plurality of protrusions along the side wall of the casting trough, so that there are a plurality of protrusions on the side of the casting layer, thereby effectively reducing the possibility of the casting layer being offset along the length direction of the base, thereby improving the stability of the coil guide rail and reducing the generation of errors; 3. By setting an isolation film between the casting layer and the casting trough, the casting layer, the rail support platform and the coil guide rail can be detached from the base as a whole. When the base needs to be changed due to environmental problems, the casting layer, the rail support platform and the coil guide rail are detached from the base as a whole and installed on a new base, which greatly improves the flexibility of the track structure and reduces the cost of track structure maintenance and modification; 4. By setting a number of height-adjusting shims, when adjusting the coil guide rail upward, the coil guide rail is raised by the required adjustment amount through the adjusting tool, and then the number of height-adjusting shims is increased; when adjusting the coil guide rail downward, the coil guide rail is clamped and fixed by the adjusting tool, and then the number of height-adjusting shims is reduced according to the adjustment amount; the height-adjusting shims are matched with each other through blocks and slots, and the circular holes formed when the blocks and slots are spliced ​​are inserted into bolts and nuts for locking, so that a number of height-adjusting shims are stably supported between the rail support platform and the coil guide rail, further improving the accuracy and stability of the track structure. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment.

[0017] Figure 2 It is a partial schematic diagram of the installation of the anchor bolts of the first embodiment.

[0018] Figure 3 It is a structural schematic diagram of an eccentric sleeve.

[0019] Figure 4 The figure is a schematic diagram of the trajectory of the anchor bolt when adjusting the outer sleeve and the inner sleeve, wherein the shaded portion in (a) is a schematic diagram of the trajectory of the edge position of the anchor bolt when rotating the inner sleeve, and the shaded portion in (b) is a schematic diagram of the trajectory of the edge position of the anchor bolt when rotating the inner and outer sleeves at the same time.

[0020] Figure 5 It is a schematic diagram of the structure of the height-adjusting gasket.

[0021] Figure 6 It is a schematic diagram of the structure of the coil guide.

[0022] Figure 7 This is a front view of the coil guide.

[0023] Figure 8 It is a schematic diagram of the overall structure of the second embodiment.

[0024] Fig. 9 It is a partial schematic diagram of the installation of the anchor bolts of the second embodiment.

[0025] Figure numerals: 1. base; 11. casting trough; 12. casting layer; 13. protrusion; 2. coil guide rail; 21. installation part; 211. ground coil; 212. embedded sleeve; 213. transverse pad; 22. support part; 221. reference table; 23. installation hole; 24. adjustment tool installation hole; 3. rail support platform; 31. support rail sleeper; 32. prefabricated screw barrel; 4. anchor bolt; 41. locking nut; 42. upper cover plate; 43. lower cover plate; 44. outer sleeve; 45. inner sleeve; 5. height adjustment gasket; 51. first pad; 52. second pad; 53. slot; 54. block; 55. arc groove; 6. running rail; 7. superconducting levitation vehicle. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Embodiment 1 The present application discloses an assembled superconducting electric magnetic levitation track structure with a stepless adjustment function. Figure 1 The assembled superconducting electric magnetic levitation track structure with stepless adjustment function includes a base 1, a running rail 6, a coil guide rail 2, a rail support 3 and an anchor bolt 4. The base 1 is cast by concrete; the running rail 6 is located in the middle of the top surface of the base 1, and is used for the superconducting suspension vehicle 7 to start, stop or run close to the ground when encountering an emergency. The running rail 6 is made by a high-precision process similar to that of an ordinary road, but the accuracy error needs to be no more than ±1mm; the coil guide rail 2 is symmetrically provided with two groups on the top surface of the base 1, including a mounting portion 21 for mounting a ground coil 211 and a support portion 22 located at the bottom of the mounting portion 21. The ground coil 211 generates a magnetic field through an electric current, and acts on the superconducting magnet inside the superconducting suspension vehicle 7 to provide suspension force and thrust for the superconducting suspension vehicle 7; the mounting portion 21 and the support portion 22 are integrally formed to form an inverted T-shaped track structure, and the coil guide rail 2 is prefabricated as a whole by a factory to form a high-precision structure with an error accuracy of no more than ±1mm. The length of the single-end coil guide rail 2 is 5-7m, the support portion 22 of the coil guide rail 2 is provided with a plurality of mounting holes 23 running through the top and bottom thereof, and two groups of the plurality of mounting holes 23 are symmetrically provided on both sides of the mounting portion 21, and the mounting holes 23 of the same group are arranged at equal intervals along the longitudinal direction (the length direction of the coil guide rail 2), and the ground coil 211 is installed at equal intervals along the longitudinal direction on the side of the mounting portion 21 of the coil guide rail 2 close to the running rail 6; the rail support platform 3 is fixedly connected to the base 1 and is arranged between the coil guide rail 2 and the base 1, and is used to support the coil guide rail 2; anchoring There are multiple bolts 4 corresponding to the multiple mounting holes 23. One end of the anchor bolt 4 is connected to the support rail platform 3, and the other end passes through the mounting hole 23 and cooperates with the locking nut 41 to fix the coil guide rail 2 on the support rail platform 3. The anchor bolt 4 is usually used in conjunction with the locking nut 41 and the upper cover plate 42 and the lower cover plate 43. The upper cover plate 42 and the lower cover plate 43 are abutted against the support portion 22 of the coil guide rail 2, and the upper cover plate 42 is tightened by the locking nut 41 to fix the coil guide rail 2.

[0028] In this embodiment, in order to meet the first construction accuracy of the coil guide rail 2, the rail support platform 3 is cast by concrete, and the anchor bolts 4 are pre-placed inside the casting template of the rail support platform 3 during the casting process of the rail support platform 3 to form prefabricated anchor bolts 4. In the actual production process, the casting of the base 1 is completed first, and then the casting of the rail support platform 3 and the prefabrication of the anchor bolts 4 are completed on the base 1, and then the coil guide rail 2 is connected to the anchor bolts 4, so that the positions of multiple mounting holes 23 correspond to the positions of multiple anchor bolts 4. After completing the installation of the coil guide rail 2, the coil guide rail 2 with the anchor bolts 4 is fine-tuned to the designed position by adjusting the tooling, and then the coil guide rail 2 is locked by the locking nut 41 in conjunction with the upper cover plate 42 and the lower cover plate 43, forming a bottom-up construction to achieve high-precision production of the track structure.

[0029] In order to improve the high precision of track structure laying and ensure the high smoothness of the track, if the maglev track structure is initially uneven during the laying stage, the unevenness of the track structure will gradually increase as the track structure serves for a longer period of time, which will not only have a significant impact on the later operation, but also require a very large maintenance cost, and in more serious cases, even lead to the failure and scrapping of the track structure. Therefore, an adjustment gap is reserved between the mounting hole 23 and the anchor bolt 4 for the coil guide rail 2 and for lateral adjustment, and the coil guide rail 2 is provided with an eccentric sleeve in the mounting hole 23 for filling the adjustment gap, and the inner diameter of the eccentric sleeve is equal to the diameter of the anchor bolt 4.

[0030] When installing the coil guide rail 2, the anchor bolt 4 is located inside the mounting hole 23, and the adjustment gap between the mounting hole 23 and the anchor bolt 4 can allow the coil guide rail 2 to move in the horizontal direction, thereby realizing the lateral adjustment of the coil guide rail 2. When adjusting, the eccentric sleeve is pulled out of the mounting hole 23 but does not separate from the anchor bolt 4. After the adjustment is completed, the eccentric sleeve is rotated to align the eccentric sleeve with the mounting hole 23, and the eccentric sleeve is inserted back into the mounting hole 23. When the eccentric sleeve of the rotating rod changes the position of the anchor bolt 4 relative to the mounting hole 23, and the trajectory that can be changed is annular. The anchor bolt 4 can be adjusted steplessly within the range of the annular trajectory, thereby greatly improving the installation accuracy of the coil guide rail 2. After the anchor screw is locked, the eccentric sleeve will completely fill the adjustment gap, so that the anchor bolt 4 is locked in the lateral direction, and it is difficult to deviate in the lateral direction, so that the coil guide rail 2 maintains high accuracy in the lateral direction. Furthermore, when the track needs to be adjusted later, the anchor bolt 4 is unlocked by locking the nut 41. The coil guide rail 2 can be adjusted by the above method to facilitate the later maintenance cost of the track structure.

[0031] For details, please refer to Figure 2 and Figure 3The eccentric sleeve includes an outer sleeve 44 and an inner sleeve 45. The inner holes of the outer sleeve 44 and the inner sleeve 45 are eccentrically arranged. When in the installed state, the outer sleeve 44 is arranged in the mounting hole 23 and fits with the inner wall of the mounting hole 23, the inner sleeve 45 is arranged in the outer sleeve 44 and fits with the inner wall of the outer sleeve 44, and the anchor bolt 4 is arranged in the inner sleeve 45 and fits with the inner wall of the inner sleeve 45, that is, the outer sleeve 44, the inner sleeve 45 and the anchor bolt 4 are sleeved from the outside to the inside to fill the mounting hole 23 so as to realize transverse locking of the anchor bolt 4.

[0032] When adjusting the coil guide rail 2, the coil guide rail 2 is lifted by adjusting the tooling, which may be a fine adjustment claw. The fine adjustment claw is installed on the coil guide rail 2, and the inner sleeve 45 and the outer sleeve 44 are removed from the mounting hole 23. The coil guide rail 2 is adjusted transversely as required, and the inner sleeve 45 and the outer sleeve 44 are rotated to align the outer sleeve 44 with the mounting hole 23. The coil guide rail 2 is then controlled to descend by the fine adjustment claw, and the outer sleeve 44 and the inner sleeve 45 are put back into the mounting hole 23, so that the coil guide rail 2 can be adjusted transversely steplessly. Figure 4 As shown, when the inner sleeve 45 is rotated alone, the position trajectory of the outer edge of the anchor bolt 4 relative to the eccentric sleeve is Figure 4 The shaded area in part (a) is in the shape of a ring. When the outer sleeve 44 and the inner sleeve 45 are rotated simultaneously, the position trajectory of the outer edge of the anchor bolt 4 relative to the eccentric sleeve is: Figure 4 The shaded area in part (b) is a complete circle. The double-sleeve structure can greatly increase the adjustable range of the anchor bolt 4 and cover the blind spot of the center of the anchor bolt 4 adjusting track when a single sleeve is used, thus achieving stepless adjustment within the area and improving the laying accuracy and adjustment convenience of the track structure.

[0033] In order to make the adjustment range of the anchor bolt 4 in the double sleeve structure as large as possible, the narrow side thicknesses of the outer sleeve 44 and the inner sleeve 45 are set to the same size, so that the narrow sides of the outer sleeve 44 and the inner sleeve 45 are both the minimum values ​​that can meet the required structural strength, so as to maximize the lateral adjustment range of the track structure.

[0034] In order to facilitate the vertical adjustment of the track structure, in this embodiment, a plurality of height adjustment pads 5 are provided between the track support platform 3 and the coil guide rail 2, such as Figure 2 As shown, in order to facilitate the installation of several height-adjusting gaskets 5, please refer to Figure 5The height-adjusting gasket 5 includes a first pad 51 and a second pad 52. A slot 53 is provided on one side of the first pad 51, and a block 54 is formed integrally on one side of the second pad 52. The block 54 and the slot 53 have the same cross-sectional shape and size, and are both isosceles trapezoids. The short side of the isosceles trapezoid is located on the inner side of the block 54 and the outer side of the slot 53. As an alternative embodiment, the cross-sections of the block 54 and the slot 53 can also be set to T-shaped, so that the block 54 and the slot 53 are difficult to separate. Through the plugging of the block 54 and the slot 53, the first pad 51 and the second pad 52 are spliced ​​into a height-adjusting gasket 5. In order to make way for the anchor bolt 4, a semicircular arc groove is provided on the first pad near the slot and on the second pad near the block. When the block and the slot are plugged, the two arc grooves are spliced ​​into a circular hole for the anchor bolt to pass through, thereby achieving the purpose of adding a height-adjusting gasket 5 without removing the anchor bolt.

[0035] When the coil guide rail 2 is adjusted vertically, the adjustment tool is connected to the coil guide rail 2. The adjustment tool is a fine adjustment claw. The coil guide rail 2 is raised by the fine adjustment claw. According to the adjustment amount, the number of the height-adjusting shims 5 is increased or decreased. The coil guide rail 2 is lowered by the adjustment tool so that the coil guide rail 2 abuts against the height-adjusting shims 5. The height-adjusting shims 5 are designed to be spliced ​​with the first shims 51 and the second shims 52, which is convenient for adding or reducing the number of height-adjusting shims 5, providing convenience for improving the accuracy of the track structure.

[0036] Since the coil guide rail 2 needs to be connected through an adjustment tool when it is adjusted laterally (horizontally) and vertically (vertically), in order to facilitate the installation of the adjustment tool, adjustment tool mounting holes 24 are opened on both sides of the coil guide rail 2. The adjustment tool mounting holes 24 are threaded holes. The fine-adjusting claws are threadedly connected to the adjustment tool mounting holes 24 on the coil guide rail 2 to achieve fixation with the coil guide rail 2, so as to accurately adjust the position of the coil guide rail 2.

[0037] Please refer to Figure 6 and Figure 7 , a plurality of embedded sleeves 212 are embedded inside the mounting portion 21 of the coil guide rail 2, and the ground coil 211 is connected to the embedded sleeves 212 by bolts, so as to be fixed on the coil guide rail 2. A reference table 221 is integrally formed on one side of the support portion 22 of the coil guide rail 2 close to the mounting portion 21. Through pre-design, the height of the reference table 221 is controlled so that the bottom of the ground coil 211 abuts against the reference table 221 during installation, so as to realize the vertical positioning of the ground coil 211 and facilitate the installation and fixation of the ground coil 211. A transverse pad 213 is provided between the mounting portion 21 of the coil guide rail 2 and the ground coil 211. The ground coil 211 abuts against the transverse pad 213 during installation, and the ground coil 211 is horizontally positioned by adjusting the thickness of the transverse pad 213.

[0038] Embodiment 2 The difference compared with the first embodiment is that, please refer to Figure 8 and Fig. 9 In the embodiment of the present application, the rail support platform 3 includes a plurality of support sleepers 31 arranged at equal intervals along the longitudinal direction (the length direction of the coil guide rail 2), and a plurality of prefabricated screw barrels 32 are embedded in the sleepers, one end of the prefabricated screw barrels 32 is closed and the other end is open, and the open end is flush with the support sleeper 31. The plurality of prefabricated screw barrels 32 correspond to the plurality of anchor bolts 4 one by one, and the anchor bolts 4 are threadedly connected to the prefabricated screw barrels 32, and each support sleeper 31 is provided with two prefabricated screw barrels 32, which are respectively located on both sides of the top surface of the support sleeper 31.

[0039] By providing a plurality of support sleepers 31 and providing a prefabricated screw barrel 32 inside the support sleeper 31, it is convenient to connect and fix the coil guide rail 2 to the rail support platform 3.

[0040] In order to ensure a stable connection between the rail support platform 3 and the base 1, a casting trough 11 is provided at the base 1 near the rail support platform 3. The support rail sleeper 31 is contracted from the bottom to the top and is at least partially located in the casting trough 11, that is, the support rail sleeper 31 is designed in an isosceles trapezoidal shape, and a casting layer 12 is provided in the casting trough 11 to fill the support rail sleeper 31 and the inner wall of the casting trough 11. In the actual installation process, the support rail sleeper 31 is set inside the casting trough 11, and after adjusting the position, a casting template is built, and concrete is poured into the casting trough 11. After solidification, a casting layer 12 is formed to connect and fix the support rail sleeper 31 to the base 1. The trapezoidal design of the support rail sleeper 31 can prevent the support rail sleeper 31 from moving vertically.

[0041] In order to reduce the possibility of longitudinal displacement of the casting layer 12 and the supporting rail sleeper 31, the base 1 is provided with a plurality of protrusions 13 on the side of the casting groove 11. The protrusions 13 are rectangular blocks and are integrally formed with the base 1. The plurality of protrusions 13 are arranged at equal intervals along the length direction of the casting groove 11, so that after the casting layer 12 is formed, there are a plurality of grooves on the side close to the protrusions 13, and the protrusions 13 and the grooves are embedded, thereby effectively avoiding the possibility of longitudinal displacement of the casting layer 12 and the supporting rail sleeper 31.

[0042] During the actual installation or maintenance of the track structure, the structure of the base 1 may need to be changed due to environmental issues. When the base 1 needs to be changed due to environmental issues, it is costly to disassemble the monolithic track structure as a whole. Therefore, it is necessary to separate the rail support platform 3 from the base 1. In this embodiment, an insulating film is provided between the casting layer 12 and the wall of the casting trough 11. The insulating film may be a plastic film (including polyethylene, polyvinyl chloride or polypropylene, etc.) or a geotextile composite film. By providing an insulating film, the base 1 is isolated from the casting layer 12, so that the casting layer 12, the rail support platform 3 and the coil guide rail 2 can be detached from the base 1 as a whole and installed on a new base 1, which greatly improves the flexibility of the track structure and reduces the cost of maintenance and modification of the track structure.

[0043] Compared with the bottom-up construction method in Example 1, this embodiment adopts a top-down construction method, by first connecting the anchor bolt 4 to the coil guide rail 2, and then threading the anchor bolt 4 to the prefabricated screw barrel 32 in the rail support platform 3, to achieve the connection between the coil guide rail 2 and the rail support platform 3. After adjusting the coil guide rail to the designed position using an adjustment tool, the rail support platform 3 is cast to form a casting layer 12, so as to achieve high-precision production of the track structure.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An assembled superconducting electric magnetic levitation track structure with stepless adjustment function, characterized in that: include: Base; The coil guide rails are symmetrically provided with two groups on the top surface of the base, including a mounting portion for mounting the ground coil and a support portion located at the bottom of the mounting portion, the mounting portion and the support portion are integrally formed, and the support portion is provided with a plurality of mounting holes running through the top and bottom thereof; as well as A rail support platform, fixedly connected to the base and disposed between the coil guide rail and the base, for supporting the coil guide rail; and Anchor bolts, which are provided in plurality and correspond one to one with the plurality of mounting holes, one end of which is connected to the rail support platform, and the other end passes through the mounting hole and cooperates with the locking nut to fix the coil guide rail to the rail support platform; An adjustment gap is reserved between the mounting hole and the anchor bolt for the coil guide rail to be adjusted laterally, and the coil guide rail is detachably provided with an eccentric sleeve in the mounting hole for filling the adjustment gap.

2. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 1 is characterized in that: The eccentric sleeve includes an outer sleeve and an inner sleeve, the inner holes of the outer sleeve and the inner sleeve are both eccentrically arranged, the outer sleeve is arranged in the mounting hole and fits with the inner wall of the mounting hole, the inner sleeve is arranged in the outer sleeve and fits with the inner wall of the outer sleeve, and the anchor bolt is arranged in the inner sleeve and fits with the inner wall of the inner sleeve.

3. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 2 is characterized in that: The narrow sides of the outer sleeve and the inner sleeve have the same thickness.

4. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 1 is characterized in that: The rail support platform comprises a plurality of support sleepers spaced apart along the length direction of the coil guide rail, a prefabricated screw barrel is embedded in the support sleeper, and the anchor bolt is threadedly connected to the prefabricated screw barrel.

5. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 4 is characterized in that: A casting groove is provided at the base near the rail support platform. The supporting rail sleeper is contracted from the bottom to the top and is at least partially located in the casting groove. A casting layer is provided in the casting groove to fill the supporting rail sleeper and the inner wall of the casting groove.

6. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 5, characterized in that: The base is provided with a plurality of protrusions on the side wall of the casting trough, and the plurality of protrusions are arranged at intervals along the length direction of the casting trough.

7. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 6, characterized in that: An insulating film is provided between the casting layer and the inner wall of the casting trough.

8. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to any one of claim 1, characterized in that: A plurality of height-adjusting gaskets are provided between the rail support platform and the coil guide rail, and the height-adjusting gaskets include a first gasket and a second gasket, one side of the first gasket is provided with a slot, and one side of the second gasket is provided with a block, and the first gasket and the second gasket are matched by plugging into the slot and the block; Arc grooves are provided on the first pad near the slot and on the second pad near the block. When the block is plugged into the slot, the two arc grooves are spliced ​​into a circular hole for the anchor bolt to pass through.

9. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claims 1-8, characterized in that: Both sides of the mounting portion are provided with a plurality of adjusting tool mounting holes for connecting the adjusting tool.

10. The assembled superconducting electric magnetic levitation track structure with stepless adjustment function according to claim 1, characterized in that: A reference table is provided on one side of the support portion close to the mounting portion, the bottom of the ground coil abuts against the reference table, and a transverse pad is provided between the mounting portion and the ground coil.

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