CN219824757U - Support rail system for high-speed electric magnetic levitation train - Google Patents

Abstract

The utility model provides a supporting rail system for a high-speed electric magnetic levitation train, which comprises a supporting rail main body, a damping layer, a heightening layer, a leveling layer and 2N buckling and pressing assemblies, wherein the damping layer is arranged on the supporting rail main body; the supporting rail main body, the damping layer, the heightening layer and the leveling layer are sequentially arranged from top to bottom; n grooves are respectively formed in the side walls of the two sides of the supporting rail main body at intervals along the length direction of the supporting rail main body, and a leveling layer is arranged on the upper side of the structural foundation layer; each buckling component comprises a bolt sleeve, a bolt, two nuts, an anti-loosening gasket, a nut gasket and an arc-shaped elastic sheet, the middle part of the bolt is positioned in the groove, the upper part and the lower part of the bolt extend out of the groove along the width direction of the groove, the arc-shaped elastic sheet, the nut gasket, one nut, the anti-loosening gasket and the other nut are sequentially sleeved on the upper part of the bolt from bottom to top, and the lower part of the bolt sequentially penetrates through the shock absorption layer, the heightening layer and the leveling layer from top to bottom and is connected with the bolt sleeve. The utility model solves the problem that the existing supporting rail can not meet the running requirement of the high-speed electric magnetic levitation train.

Description

Support rail system for high-speed electric magnetic levitation train

Technical Field

The utility model relates to the technical field of high-speed magnetic levitation transportation, in particular to a supporting rail system for a high-speed electric magnetic levitation train.

Background

High-speed electric magnetic levitation (EDS) trains have the advantages of high speed, low energy consumption and low noise, and are researched, developed or built in a plurality of countries at present. When the electric magnetic levitation train takes off, the running on the supporting rail is required to obtain a higher initial speed, so that the electric magnetic levitation train has enough magnetic levitation force. The maglev train needs to fall above the support rail when decelerating. According to the requirement of running the electric magnetic levitation train, the whole line of the line is required to be paved with supporting rails for running in the lifting stage of the high-speed electric magnetic levitation train.

The speed of the magnetic levitation train in the lifting stage is higher, and the supporting track circuit has higher smoothness, so that the stable and safe operation of the magnetic levitation train is ensured. The existing method for casting concrete on site in the construction of the projects at home and abroad has the practical problems of poor quality, uneven rail surface, unadjustable rail surface height, difficult replacement after damage, difficult maintenance and the like. Therefore, development of a brand new supporting rail system is urgently needed to meet the use requirements during construction and operation of the maglev train.

Disclosure of Invention

The utility model provides a supporting rail system for a high-speed electric magnetic levitation train, which can solve the technical problem that the supporting rail in the prior art cannot meet the running requirement of the high-speed electric magnetic levitation train.

The utility model provides a supporting rail system for a high-speed electric magnetic levitation train, which comprises a supporting rail main body, a damping layer, a heightening layer, a leveling layer and 2N buckling components, wherein the damping layer is arranged on the supporting rail main body; the supporting rail main body, the damping layer, the height adjusting layer and the leveling layer are sequentially arranged from top to bottom;

n grooves are formed in the side walls of the two sides of the supporting rail main body at intervals along the length direction of the supporting rail main body, the supporting rail main body is used for supporting a high-speed electric magnetic levitation train, and the leveling layer is arranged on the upper side of the structural foundation layer and used for leveling the structural foundation layer;

each buckling assembly comprises a bolt sleeve, a bolt, two nuts, an anti-loosening gasket, a nut gasket and an arched elastic sheet, wherein the bolt sleeve is pre-buried in the structural foundation layer, the middle part of the bolt is positioned in the groove, the upper part and the lower part of the bolt extend out of the groove along the width direction of the groove, the arched elastic sheet, the nut gasket, one nut, the anti-loosening gasket and the other nut are sleeved on the upper part of the bolt from bottom to top in sequence, the arched elastic sheet is used for providing pre-compression force for the supporting rail main body by tightening the nuts on the upper side, and the lower part of the bolt sequentially penetrates through the shock absorption layer, the height adjusting layer and the leveling layer from top to bottom and is connected with the bolt sleeve;

in the use process, the two supporting rail systems are arranged in parallel and at intervals so as to realize the support of the high-speed electric magnetic levitation train.

Preferably, a gap is formed between the bolt and the groove.

Preferably, the supporting rail main body is of an I-shaped structure, and N grooves are respectively arranged on the side walls of the two sides of the wing plate at the lower part of the I-shaped structure at intervals along the length direction of the supporting rail main body.

Preferably, the support rail body is divided into a plurality of segments along its length.

Preferably, the groove is a U-shaped groove.

Preferably, the shock-absorbing layer adopts a rubber backing plate.

Preferably, the leveling layer is a high-strength mortar leveling layer.

Preferably, the bolt sleeve is made of engineering plastics.

Preferably, the material of the supporting rail main body is concrete.

Preferably, each of the buckling assemblies provides a pre-compression force of not less than 8KN to the support rail body.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. the support rail system is of a split type structure, can be prefabricated in a workshop, is convenient to assemble, assemble and disassemble on site, can be quickly disassembled and replaced after long-term service aging, is convenient to maintain and repair, can meet the requirements of construction and operation and maintenance of a magnetic levitation length and a large trunk line, and has excellent engineering application prospects;

2. the track gauge can be finely adjusted through the matched use of the two supporting rails and the arrangement of the distance between the bolts and the grooves, the track surface elevation can be finely adjusted through the matched use of the damping layer and the height adjusting layer, and the excellent geometric form and the high smoothness of the circuit are realized through the leveling layer;

3. the supporting rail main body is designed into an I-shaped section beam, so that the supporting rail main body has high rigidity and the weight of the component is reduced;

4. the support rail main body is prefabricated in batches in a workshop, and the processing quality is easy to ensure;

5. the sub-parts have simple structure, can be manufactured in batches and have the advantage of low construction cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 illustrates a front view of a support rail system for a high speed electric maglev train provided in accordance with one embodiment of the present utility model;

FIG. 2 illustrates a side view of a support rail system for a high speed electric maglev train provided in accordance with an embodiment of the present utility model;

FIG. 3 illustrates a front view of the support rail body of the support rail system of FIG. 1;

FIG. 4 shows a top view of the support rail body of the support rail system of FIG. 1;

FIG. 5 illustrates a front view of an arcuate dome in the support rail system of FIG. 1;

FIG. 6 shows a cross-sectional view of the arcuate dome of FIG. 5 along the direction a-a;

fig. 7 shows an example diagram provided in accordance with an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a support rail body; 11. a groove; 20. a shock absorbing layer; 30. a heightening layer; 40. leveling the layer; 50. a buckling component; 51. a bolt sleeve; 52. a bolt; 53. a nut; 54. a locking gasket; 55. a nut washer; 56. an arcuate spring; 60. a structural base layer; 70. high-speed electric magnetic levitation train.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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 exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 6, the present utility model provides a support rail system for a high-speed electric maglev train, the system including a support rail main body 10, a shock absorber layer 20, a leveling layer 30, a leveling layer 40, and 2N buckling assemblies 50; the supporting rail main body 10, the shock absorbing layer 20, the height adjusting layer 30 and the leveling layer 40 are sequentially arranged from top to bottom;

n grooves 11 are respectively arranged on the side walls of the two sides of the supporting rail main body 10 at intervals along the length direction of the supporting rail main body 10, the supporting rail main body 10 is used for supporting a high-speed electric magnetic levitation train 70, and the leveling layer 40 is arranged on the upper side of the structural foundation layer 60 and is used for leveling the structural foundation layer 60;

each buckling component 50 comprises a bolt sleeve 51, a bolt 52, two nuts 53, an anti-loosening gasket 54, a nut gasket 55 and an arched elastic sheet 56, wherein the bolt sleeve 51 is pre-embedded in the structural foundation layer 60, the middle part of the bolt 52 is positioned in the groove 11, the upper part and the lower part of the bolt 52 extend out of the groove 11 along the width direction of the groove 11, the arched elastic sheet 56, the nut gasket 55, one nut 53, the anti-loosening gasket 54 and the other nut 53 are sleeved on the upper part of the bolt 52 from bottom to top in sequence, the arched elastic sheet 56 provides pre-compression force for the supporting rail main body 10 by tightening the nuts 53 on the upper side, and the lower part of the bolt 52 sequentially penetrates through the shock absorption layer 20, the height adjustment layer 30 and the leveling layer 40 from top to bottom and is connected with the bolt sleeve 51;

in the use process, the two supporting rail systems are arranged in parallel and at intervals so as to realize the support of the high-speed electric magnetic levitation train.

Compared with the prior art, the utility model has the following beneficial effects:

1. the support rail system is of a split type structure, can be prefabricated in a workshop, is convenient to assemble, assemble and disassemble on site, can be quickly disassembled and replaced after long-term service aging, is convenient to maintain and repair, can meet the requirements of construction and operation and maintenance of a magnetic levitation length and a large trunk line, and has excellent engineering application prospects;

2. the track gauge can be finely adjusted by matching the two supporting rails and setting the distance between the bolts 52 and the grooves 11, the track surface elevation can be finely adjusted by matching the shock absorption layer 20 and the height adjustment layer 30, and the fine line geometry and high smoothness are realized by the leveling layer 40;

3. the supporting rail main body 10 is designed into an I-shaped section beam, so that the supporting rail has high rigidity and the weight of the component is reduced;

4. the support rail main body 10 is prefabricated in batches in a workshop, and the processing quality is easy to ensure;

5. the sub-parts have simple structure, can be manufactured in batches and have the advantage of low construction cost.

Further, in the present utility model, the support rail body 10 has an i-shaped structure, and N grooves 11 are formed on both side walls of a lower wing plate of the i-shaped structure at intervals along a longitudinal direction thereof. The I-shaped structure has the advantages of large section rigidity, light weight of components, material saving and the like.

Specifically, the groove 11 is a U-shaped groove.

In addition, in the present utility model, since the support rail body 10 is prefabricated in a factory, in order to ensure easy processing accuracy and convenient transportation, the support rail body 10 is fabricated as a multi-stage elongated member in its own length direction, and its length may be set to 6m, 8m, 10m, etc. In the longitudinal direction of the running line (the length direction of the supporting rail main body), the assembly gap between the multi-section supporting rail main body 10 is 4mm, and the joint filling is carried out by adopting normal-temperature curable high-low-resistant Wen Qianfeng glue.

Further, in the present utility model, a gap is provided between the bolt 52 and the groove 11, and a track gauge adjustment of-10 mm to +10mm in the lateral direction (left-right direction in fig. 1) and a longitudinal direction (longitudinal direction) adjustment of-6 mm to +6mm can be realized. The gap between the bolt 52 and the groove 11 can be increased or reduced according to the specific engineering conditions, and the influence of construction errors and long-term operation can be effectively compensated.

In addition, in the present utility model, the height-adjusting pad 30 may be used in the form of a height-adjusting pad having six types of 1mm, 2mm, 3mm, 4mm, 5mm, and 10mm, and the number of the height-adjusting pads used is not more than two. The shock-absorbing layer 20 adopts a rubber cushion plate, and the rubber cushion plate has three types of 10mm, 15mm and 20mm, and only one rubber cushion plate is used. The rubber pad has good elasticity, can improve the stress between the wheels and the supporting rail main body 10, and between the supporting rail main body 10 and the rubber pad under the rail, and is beneficial to the structural durability. The rubber backing plate and the height-adjusting gasket can be combined with the on-site elevation adjustment amount of engineering, and the rail surface elevation adjustment of the vertical (up-down direction in fig. 1) height of the supporting rail system of-10 mm to +15mm can be realized through the cooperation of the rubber backing plate and the height-adjusting gasket, so that the influence of construction errors and long-term operation can be effectively compensated. Coarsely leveling the structural foundation layer 60 by using high-strength mortar; the leveling layer 40 adopts a high Jiang Shajiang leveling layer 40 to further realize rail surface leveling.

In this embodiment, rubber backing plate and heightening gasket are insulating material, can effectively prevent the corrosion of electric leakage to the reinforcing bar in the circuit, increase structural durability.

Further, in the present utility model, the bolt sleeve 51 is made of engineering plastic. The support rail body 10 is made of concrete.

Furthermore, in the present utility model, each of the crimping assemblies 50 provides a pre-compression force of not less than 8KN to the support rail main 10. The arcuate spring 56 may be pre-stressed against the support rail by tightening the upper nut 53 with a fixed torque wrench. In addition, the high-strength mortar leveling layer 40 has larger static friction force with the structural foundation surface, so that the horizontal stability of the supporting rail system can be realized.

Further, in the present utility model, for convenience of production and operation management, the arcuate spring 56 may be standardized for mass production, and the anti-loosening spacer 54 is also a standard.

In summary, the utility model provides a supporting rail system for a high-speed electric magnetic levitation train, which has the following beneficial effects compared with the prior art:

1. the support rail system is of a split type structure, can be prefabricated in a workshop, is convenient to assemble, assemble and disassemble on site, can be quickly disassembled and replaced after long-term service aging, is convenient to maintain and repair, can meet the requirements of construction and operation and maintenance of a magnetic levitation length and a large trunk line, and has excellent engineering application prospects;

2. the track gauge can be finely adjusted by matching the two supporting rails and setting the distance between the bolts 52 and the grooves 11, the track surface elevation can be finely adjusted by matching the shock absorption layer 20 and the height adjustment layer 30, and the fine line geometry and high smoothness are realized by the leveling layer 40;

3. the supporting rail main body 10 is designed into an I-shaped section beam, so that the supporting rail has high rigidity and the weight of the component is reduced;

4. the support rail main body 10 is prefabricated in batches in a workshop, and the processing quality is easy to ensure;

5. the sub-parts have simple structure, can be manufactured in batches and have the advantage of low construction cost.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A support rail system for a high-speed electric maglev train, the system comprising a support rail body, a shock absorber layer, a lift layer, a leveling layer, and 2N buckling assemblies; the supporting rail main body, the damping layer, the height adjusting layer and the leveling layer are sequentially arranged from top to bottom;

n grooves are formed in the side walls of the two sides of the supporting rail main body at intervals along the length direction of the supporting rail main body, the supporting rail main body is used for supporting a high-speed electric magnetic levitation train, and the leveling layer is arranged on the upper side of the structural foundation layer and used for leveling the structural foundation layer;

each buckling assembly comprises a bolt sleeve, a bolt, two nuts, an anti-loosening gasket, a nut gasket and an arched elastic sheet, wherein the bolt sleeve is pre-buried in the structural foundation layer, the middle part of the bolt is positioned in the groove, the upper part and the lower part of the bolt extend out of the groove along the width direction of the groove, the arched elastic sheet, the nut gasket, one nut, the anti-loosening gasket and the other nut are sleeved on the upper part of the bolt from bottom to top in sequence, the arched elastic sheet is used for providing pre-compression force for the supporting rail main body by tightening the nuts on the upper side, and the lower part of the bolt sequentially penetrates through the shock absorption layer, the height adjusting layer and the leveling layer from top to bottom and is connected with the bolt sleeve;

in the use process, the two supporting rail systems are arranged in parallel and at intervals so as to realize the support of the high-speed electric magnetic levitation train.

2. The system of claim 1, wherein a gap is provided between the bolt and the groove.

3. The system of claim 1, wherein the support rail body is of an i-shaped structure, and N grooves are formed in the side walls of the lower wing plate of the i-shaped structure at intervals along the length direction of the side walls.

4. The system of claim 1, wherein the support rail body is divided into segments along its length.

5. The system of claim 1, wherein the groove is a U-shaped groove.

6. The system of claim 1, wherein the shock absorber layer is a rubber shim plate.

7. The system of claim 1, wherein the leveling layer is a high strength mortar leveling layer.

8. The system of claim 1, wherein the bolt sleeve is made of engineering plastic.

9. The system of claim 1, wherein the support rail body is made of concrete.

10. The system of claim 1, wherein each of the crimping assemblies provides a pre-compression force on the support rail body of not less than 8 KN.