Full-support track support platform, ballastless track, and support components

Through the design of the fully supported rail bearing table, the continuous support structure is formed by using the staggered shoulder barrier and inclined cushion layer, which solves the problem of insufficient integrity of the traditional rail bearing table and significantly improves the mechanical properties of the ballless track plate and the stability of the track.

CN116122083BActive Publication Date: 2025-05-30WUHAN UNIV OF TECH
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Patent Information

Application Number
CN202310031189.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-10
Publication Date
2025-05-30
Estimated Expiration
2043-01-10

AI Technical Summary

Technical Problem

The existing independent block type rail platform is insufficient integrity, which leads to prone to cracking, loosening and excessive interlayer stress when bearing loads, affecting the mechanical properties of ballless track plates.

Method used

The fully supported rail bearing table structure is adopted, including through plates, shoulder blocks, cushion layers and full support members. Through the staggered shoulder blocks and inclined cushions, a continuous support structure is formed, so that the bottom surface of the rail is completely in contact with the rail bearing table, eliminating gaps and gaps.

Benefits of technology

It significantly improves the mechanical properties and support capabilities of the ballastless track plate, reduces the vertical and lateral displacement of the rail, and improves the smoothness and overall stability of the track.

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Abstract

The present invention provides a fully supported rail support table, a ballastless track, and a support assembly. The fully supported ballastless track includes: a fully supported rail support table, which includes: a ballastless track slab body and two rail support units; each rail support unit includes a straight-through plate, a plurality of shoulders, a plurality of cushions, and a fully supported member; the straight-through plate extends along the train running direction and is in a long strip shape; a plurality of shoulders arranged at intervals along the train running direction are respectively formed on both sides of the straight-through plate, and any two adjacent shoulders on different sides are staggeredly arranged; the cushions correspond to the ends of the shoulders and are laid between the ends of the shoulders facing each other on different sides. The cushions include a left cushion and a right cushion. For each shoulder, there is a left cushion that extends obliquely leftward from the left end of the shoulder to the adjacent right end on the other side of the straight-through plate facing the adjacent shoulder, and a right cushion that extends obliquely rightward from the right end of the shoulder to the adjacent left end on the other side of the straight-through plate facing another shoulder; a rail part; and a mounting member.
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Description

Technical Field

[0001] The present invention belongs to the technical field of tracks, and particularly relates to a fully supported rail bearing platform, a ballastless track, and a support assembly. Background Art

[0002] In the fields of urban rail transit and high-speed railways, ballastless track slabs have been increasingly widely used due to their advantages of high comfort and low maintenance volume. As a component for transmitting the force of the rail to the lower structure, the rail bearing platform has a significant impact on the performance of the ballastless track slab. In the prior art, the rail bearing platform is relatively weak, and each bears the load independently, resulting in a large stress transmitted to the lower structure. When subjected to the lateral load of the train, problems such as cracking, loosening, and interlayer dislocation caused by excessive interlayer stress are likely to occur.

[0003] The root cause of the above problems is the insufficient integrity of the traditional independent block-type rail bearing platform. Therefore, a rail bearing platform structure with better integrity and higher stability is needed to achieve the purpose of improving the mechanical properties of the ballastless track slab. Summary of the Invention

[0004] The present invention is made to solve the above problems, and aims to provide a fully supported rail bearing platform, a ballastless track, and a support assembly, which can effectively improve the mechanical properties and support capacity of the ballastless track slab, reduce the vertical and lateral displacements of the rail, and fully enhance the smoothness and overall stability of the track.

[0005] To achieve the above object, the present invention adopts the following solutions:

[0006] <Fully Supported Ballastless Track>

[0007] The present invention provides a fully supported ballastless track, comprising: a fully supported rail support platform extending along the train running direction, including: a ballastless track slab main body, and two rail support units formed side by side on the ballastless track slab main body and having a spacing corresponding to the train gauge; each rail support unit includes a straight-through plate, a plurality of shoulders, a plurality of cushions, and a fully supported member; the straight-through plate extends along the train running direction and is strip-shaped; a plurality of shoulders spaced along the train running direction are respectively formed on both sides of the straight-through plate, and any two adjacent shoulders on different sides are staggeredly arranged so that the left and right ends of each shoulder are respectively opposite to the adjacent ends of two adjacent shoulders on the other side of the straight-through plate; the cushions correspond to the ends of the shoulders and are laid between the ends of the shoulders facing each other on different sides, and the cushions include a left cushion and a right cushion. For each shoulder, there is a left cushion extending obliquely leftward from the left end of the shoulder to the adjacent right end opposite to the adjacent shoulder on the other side of the straight-through plate, and a right cushion extending obliquely rightward from the right end of the shoulder to the adjacent left end opposite to another shoulder on the other side of the straight-through plate; the fully supported member has the same length as the straight-through plate, the upper surface is a plane, bears the rail and is in full contact with the bottom surface of the rail, the lower surface is matched with the cushions and the straight-through plate, the lower surface is provided with grooves fitted with the cushions, and support bumps formed between the grooves and in contact with the straight-through plate; and a rail part, including: two rows of rails respectively erected on the two rail support units; and a mounting member for mounting the rail on the rail support unit.

[0008] <fully supported rail support platform>

[0009] Furthermore, the present invention also provides a fully supported rail support platform, including: a ballastless track slab main body; and two rail support units formed side by side on the ballastless track slab main body and having a spacing corresponding to the train gauge; each rail support unit includes a straight-through plate, a plurality of shoulders, a plurality of cushions, and a fully supported member; the straight-through plate extends along the train running direction and is strip-shaped; a plurality of shoulders spaced along the train running direction are respectively formed on both sides of the straight-through plate, and any two adjacent shoulders on different sides are staggeredly arranged so that the left and right ends of each shoulder are respectively opposite to the adjacent ends of two adjacent shoulders on the other side of the straight-through plate; the cushions correspond to the ends of the shoulders and are laid between the ends of the shoulders facing each other on different sides, and the cushions include a left cushion and a right cushion. For each shoulder, there is a left cushion extending obliquely leftward from the left end of the shoulder to the adjacent right end opposite to the adjacent shoulder on the other side of the straight-through plate, and a right cushion extending obliquely rightward from the right end of the shoulder to the adjacent left end opposite to another shoulder on the other side of the straight-through plate; the fully supported member has the same length as the straight-through plate, the upper surface is a plane, bears the rail and is in full contact with the bottom surface of the rail, the lower surface is matched with the cushions and the straight-through plate, the lower surface is provided with grooves fitted with the cushions, and bumps formed between the grooves and in contact with the straight-through plate.

[0010] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The fully supported rail support platform further includes multiple groups of auxiliary support members. Each group of auxiliary support members corresponds to a cushion layer, and includes a left auxiliary support assembly and a right auxiliary support assembly corresponding to the left cushion and the right cushion respectively. The left auxiliary support assembly includes two left auxiliary support members oppositely arranged on both sides of the fully supported member, and the right auxiliary support assembly includes two right auxiliary support members oppositely arranged on both sides of the fully supported member; On both sides of the straight-through plate, there is a long straight groove extending along the train running direction and recessed downward, and the outer side surface of the long straight groove is connected to the inner side surface of the shoulder; The outer ends of the left auxiliary support member and the right auxiliary support member are all fitted into the area surrounded by the inner side surface of the shoulder, the surface of the long straight groove, and the surface of the cushion layer, and the lower surface of the inner end is in contact with the cushion layer and the side surface is opposite to both side surfaces of the fully supported member.

[0011] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The installation members are multiple groups of fasteners. Each group of fasteners corresponds to a group of auxiliary support members, fixes the auxiliary support members and the cushion layer on the straight-through plate, and buckles the bottom of the rail on the fully supported member.

[0012] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The outer ends of the left auxiliary support member and the right auxiliary support member are such that the outer side surface fits the inner side surface of the shoulder and the bottom is fitted into the long straight groove, and the inner end is a flat plate shape with the upper surface lower than the outer end and inclined and extending towards the fully supported member.

[0013] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The fully supported member includes multiple fully supported plates, and each fully supported plate corresponds to a group of auxiliary support members.

[0014] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The ballastless track slab body, the straight-through plate, the shoulder, and the long straight groove are integrally formed.

[0015] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The width of the fully supported member is greater than the width of the bottom of the rail, and is 1 / 3 to 2 / 3 of the width of the straight-through plate.

[0016] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail support platform> involved in the present invention may also have the following characteristics: The spacing between adjacent shoulders on the same side is 1 / 2 to 3 / 4 of the length of the shoulder.

[0017] Preferably, the above-mentioned <fully supported ballastless track> or <fully supported rail seat> involved in the present invention may further have the following characteristics: both the left pad and the right pad include a tie plate and an elastic pad located below the tie plate.

[0018] <support assembly>

[0019] Preferably, the support assembly involved in the present invention is formed between a plurality of shoulders arranged at intervals and staggered along the train running direction, and includes: a plurality of cushions, the cushions corresponding to the ends of the shoulders and being laid between the ends of the shoulders facing each other on different sides. The cushions include a left pad and a right pad. For each shoulder, there is a left pad extending obliquely leftward from the left end of the shoulder to the adjacent right end facing the other adjacent shoulder on the other side of the straight-through plate, and a right pad extending obliquely rightward from the right end of the shoulder to the adjacent left end facing the other adjacent shoulder on the other side of the straight-through plate; and a fully supported member, having a length consistent with that of the straight-through plate, a flat upper surface for supporting the rail and being in full contact with the bottom surface of the rail, a lower surface matching the cushion and the straight-through plate, a groove for fitting with the cushion provided on the lower surface, and a support protrusion formed between the grooves and in contact with the straight-through plate.

[0020] Functions and effects of the invention

[0021] According to the fully supported rail seat, ballastless track and support assembly provided by the present invention, a plurality of shoulders arranged at intervals along the train running direction are respectively formed on both sides of the straight-through plate, and any two adjacent shoulders on different sides are staggered, so that the left and right ends of each shoulder are respectively opposite to the adjacent ends of two adjacent shoulders on the other side of the straight-through plate. The cushion is laid between the ends of the shoulders facing each other on different sides. For each shoulder, there is a left pad extending obliquely leftward from the left end of the shoulder to the adjacent right end facing the other adjacent shoulder on the other side of the straight-through plate, and a right pad extending obliquely rightward from the right end of the shoulder to the adjacent left end facing the other adjacent shoulder on the other side of the straight-through plate; the fully supported member has a length consistent with that of the straight-through plate, a flat upper surface for supporting the rail and being in full contact with the bottom surface of the rail, a lower surface matching the cushion and the straight-through plate, a groove for fitting with the cushion provided on the lower surface, and a support protrusion formed between the grooves and in contact with the straight-through plate. The support protrusion can fill the gap between the surface of the fully supported member and the straight-through plate (or fill the adjacent cushions); therefore, the rail seat can be in complete continuous (sustained) contact with the bottom surface of the rail, without any gaps and intervals, so that the entire rail is effectively supported (fully supported at the bottom of the rail), having a better vibration reduction effect. When subjected to train loads, it can effectively improve the mechanical properties and support capacity of the ballastless track slab, reduce the vertical and lateral displacements of the rail, and fully enhance the smoothness and overall stability of the track. Description of the drawings

[0022] Figure 1It is a schematic structural diagram of the fully supported ballastless track involved in the embodiment of the present invention;

[0023] Figure 2 It is a schematic structural diagram of the fully supported rail support table and the rail involved in the embodiment of the present invention;

[0024] Figure 3 It is a top view of the fully supported rail support table and the rail involved in the embodiment of the present invention;

[0025] Figure 4 It is an exploded view of the fully supported rail support table and the rail involved in the embodiment of the present invention;

[0026] Figure 5 It is a three-dimensional view of the fully supported rail support table involved in the embodiment of the present invention;

[0027] Figure 6 It is a top view of the fully supported rail support table involved in the embodiment of the present invention;

[0028] Figure 7 It is the disassembly of the fully supported rail support table involved in the embodiment of the present invention Figure 1 ;

[0029] Figure 8 It is the disassembly of the fully supported rail support table involved in the embodiment of the present invention Figure 2 ;

[0030] Figure 9 It is a three-dimensional view of the fully supported rail support table after removing the cushion layer and the fully supported components involved in the embodiment of the present invention;

[0031] Figure 10 It is a top view of the fully supported rail support table after removing the cushion layer and the fully supported components involved in the embodiment of the present invention;

[0032] Figure 11 It is a cross-sectional view of the fully supported rail support table after removing the cushion layer and the fully supported components involved in the embodiment of the present invention;

[0033] Figure 12 It is a schematic structural diagram of the cushion layer and the fully supported plate involved in the embodiment of the present invention;

[0034] Figure 13 It is an exploded view of the cushion layer and the fully supported plate involved in the embodiment of the present invention;

[0035] Figure 14 It is a schematic structural diagram of the fully supported component involved in the embodiment of the present invention, where (a) is a bottom view and (b) is a three-dimensional view;

[0036] Figure 15 It is a partial structural schematic of the fully supported rail support table involved in the embodiment of the present invention Figure 1 ;

[0037] Figure 16 It is a partial structural schematic diagram of the full - support track support platform involved in the embodiments of the present invention Figure 2 ;

[0038] Figure 17 It is a partial structural schematic diagram of the full - support track support platform involved in the embodiments of the present invention Figure 3 ;

[0039] Figure 18 It is a partial structural schematic diagram of the full - support track support platform with rails installed, involved in the embodiments of the present invention Figure 1 ;

[0040] Figure 19 It is a partial structural schematic diagram of the full - support track support platform with rails installed, involved in the embodiments of the present invention Figure 2 ;

[0041] Figure 20 It is a model diagram of different track support platforms involved in the embodiments of the present invention, where (a1) is the model of the full - support track support platform of the present invention Figure 1 , (a2) is the model of the full - support track support platform of the present invention Figure 2 , (b) is the model diagram of the traditional track slab track support platform, and (c) is the model diagram of the X - sleeper track support platform;

[0042] Figure 21 It is a comparison diagram of the subgrade deformation settlement amounts of different track support platforms involved in the embodiments of the present invention;

[0043] Figure 22 It is a comparison diagram of the sleeper lateral displacement amounts of different track support platforms involved in the embodiments of the present invention;

[0044] Figure 23 It is a comparison diagram of the steel rail stress nephograms of different track support platforms involved in the embodiments of the present invention (unit: Pa). Detailed implementation manners

[0045] The following elaborates in detail on the full - support track support platform, ballastless track, and support components involved in the present invention with reference to the accompanying drawings.

[0046] <Embodiment>

[0047] As Figures 1 - 2 shown, the ballastless track 10 includes a base part 20, a full - support track support platform 30, a steel rail part 40, and a mounting member 50.

[0048] The base part 20 extends along the train running direction, and it includes a concrete base 21, a base 22, and a self - compacting layer 23. The self - compacting layer 23 fixedly installs the full - support track support platform 30 and the base part 20 together.

[0049] The full-support track support platform 30 extends along the train running direction and is in full contact with the bottom surface of the rail section 40, supporting the rail section 40 from below as a whole, so that the train load on the rail is evenly and stably transmitted to the lower structure, and vibration reduction and settlement reduction are achieved as much as possible. As Figures 2 - 6 shown, the full-support track support platform 30 includes a ballastless track slab main body 31 and two track support units 32.

[0050] The ballastless track slab main body 31 is fixed on the base part 20 and extends along the train running direction (the length direction is the train running direction).

[0051] The two track support units 32 extend along the train running direction and are formed side by side on the ballastless track slab main body 31. The distance between the two track support units 32 corresponds to the train gauge. Each track support unit 32 includes a straight-through plate 321, a plurality of shoulder blocks 322, two long straight grooves 323, a plurality of cushion layers 324, a full-support member 325, and multiple groups of auxiliary support members 326.

[0052] As Figure 4 and 7 ~11 shown, the straight-through plate 321 extends along the train running direction and is in the shape of a rectangular strip. The width of the straight-through plate 321 is 2 to 3 times the width of the rail bottom surface. The upper surface of the straight-through plate 321 is higher than the upper surface of the ballastless track slab main body 31, and the upper surface of the straight-through plate 321 slopes downward toward the inside (the side close to the central axis of the full-support track support platform 30), forming a certain slope.

[0053] On both sides of the straight-through plate 321, a plurality of shoulder blocks 322 arranged at intervals along the train running direction are formed, and any two adjacent shoulder blocks 322 on different sides (for example, Figure 10 shoulder block 322-A and shoulder blocks 322-B or 322-C in it, which are adjacent on different sides) are staggered, so that the left and right ends of each shoulder block 322-A are respectively opposite to the adjacent ends of two adjacent shoulder blocks 322-B and 322-C on the other side of the straight-through plate 321 (as shown by the dotted line in Figure 8 ). The distance between adjacent shoulder blocks 322 on the same side is 1 / 2 to 3 / 4 of the length of the shoulder block 322. The inner side surface of each shoulder block 322 is higher than the straight-through plate 321 by a certain distance. In this embodiment, the height of the inner side surface of the shoulder block 322 is 140 mm.

[0054] The two long straight grooves 323 are parallel to the straight-through plate 321 and are respectively formed on both sides of the straight-through plate 321. The long straight grooves 323 are located between the straight-through plate 321 and the shoulder blocks 322, are recessed downward from the edge of the straight-through plate 321, and the outer side surface is connected and parallel to the inner side surface of the shoulder blocks 322.

[0055] As Figures 10 - 17As shown, the cushion layer 324 corresponds to the end of the shoulder 322 and is laid between the ends of the opposite shoulders 322 on different sides. The cushion layer 324 includes a left cushion 324a and a right cushion 324b. Each shoulder 322 corresponds to a left cushion 324a and a right cushion 324b, and the positions of these two side cushions correspond to Figure 10 the left and right dashed-line areas in. The left cushion 324a extends obliquely to the left from the left end of this shoulder 322 (for example, Figure 10 shoulder 322-A in) to the adjacent right end of the opposite side of the other adjacent shoulder 322 (for example, Figure 10 shoulder 322-B in) on the straight-through plate 321. The right cushion 324b extends obliquely to the right from the right end of this shoulder 322 to the adjacent left end of the opposite side of another shoulder 322 (for example, Figure 10 shoulder 322-C in) on the straight-through plate 321. In this embodiment, both the left cushion 324a and the right cushion 324b include upper and lower layers. The upper layer is a rail tie plate 324c, and the lower layer is an elastic cushion plate 324d.

[0056] As Figures 4 - 6 shown in and FIGS. 10 to 17, the length of the full support member 325 is the same as that of the straight-through plate 321. The upper surface is a plane, bears the rail and is in full contact with the bottom surface of the rail. The lower surface matches the cushion layer 324 and the straight-through plate 321. The lower surface is provided with a groove 325a that fits with the cushion layer 324, and support bumps 325b that are formed between adjacent grooves 325a and contact the straight-through plate 321. The support bumps 325b form the side walls of the groove 325a and completely fill the area between adjacent grooves 325a (between the left cushion 324a, the right cushion 324b, the straight-through plate 321 and the plane where the groove 325a is located), so that the full support member 325 is continuously supported by the cushion layer 324 and the straight-through plate 321 without any gaps or intervals (there is no area lacking continuous support or being suspended in the air). Therefore, the full support member 325 can provide continuous and practical support for the entire bottom surface of the rail. In this embodiment, the width of the full support member 325 is slightly larger than the width of the rail bottom and is 1 / 3 of the width of the straight-through plate 321. The full support member 325 is further divided into a plurality of full support plates 325-1 (as Figures 5 - 8 shown, the full support member 325 is further divided into five full support plates 325-1), as Figures 5 - 7 shown, these full support plates 325-1 are connected in sequence to form a continuous long strip, and each full support plate 325-1 corresponds to a group of auxiliary support members 326.

[0057] Each set of auxiliary support members 326 corresponds to a cushion layer 324, and each set of auxiliary support members 326 includes a left auxiliary support assembly 326a and a right auxiliary support assembly 326b. The left auxiliary support assembly 326a and the right auxiliary support assembly 326b correspond to the left cushion 324a and the right cushion 324b respectively. The left auxiliary support assembly 326a is located on the left cushion 324a and includes two left auxiliary support members 326a-1 oppositely arranged on both sides of the full support member 325. The right auxiliary support assembly 326b is located on the right cushion 324b and includes two right auxiliary support members 326b-1 oppositely arranged on both sides of the full support member 325. The outer ends 326c of the left auxiliary support members 326a-1 and the right auxiliary support members 326b-1 are all fitted into the area enclosed by the inner surface of the shoulder 322, the surface of the long straight groove 323, and the surface of the cushion layer 324. As Figures 12 - 13 shown in FIGS. 15 to 19, the outer end 326c is in the shape of a claw, the bottom of the outer end 326c protrudes downward and is embedded in the long straight groove 323, the outer side surface of the outer end 326c is in contact with the inner surface of the shoulder 322, the inner end 326d is in the shape of a flat plate, the lower surface is in contact with the cushion layer 324, and the shape and size of the inner end correspond to the cushion layer 324, extending along the inclination direction of the cushion layer 324 towards the full support member 325, and the front side surface of the inner end 326d is in contact with the side surface of the full support member 325. The upper surface of the inner end 326d is lower than the top of the outer end 326c, but the lower surface is higher than the lower part of the outer end. As Figures 2 - 3 shown in FIGS. 15 to 19, each rail-bearing unit 32 includes five sets of auxiliary support members 326, and these auxiliary support members 326 and the shoulder 322 together enclose a continuously extending wavy structure, and a long strip-shaped full support member 325 passes through the middle of the wavy structure.

[0058] In this embodiment, the above-mentioned ballastless track slab body, straight-through slab 321, shoulder 322, and long straight groove 323 are integrally formed.

[0059] The rail part 40 includes two rows of rails 41. The two rows of rails 41 are respectively mounted on two rail-bearing units 32 and are stably supported as a whole continuously.

[0060] The mounting member 50 is used to detachably fix and install the rail 41 on the rail-bearing unit 32. As Figures 12 - 19As shown, the installation member 50 is multiple sets of fasteners. Each set of fasteners corresponds to a set of auxiliary support members 326, fixes the auxiliary support members 326 and the cushion layer 324 on the straight-through plate 321, and presses the bottom of the rail against the full support member 325. Each set of fasteners includes two pairs of threaded spikes 51 and two pairs of elastic bars 52. The two pairs of threaded spikes 51 respectively correspond to two auxiliary support assemblies. Each threaded spike 51 passes through the middle of the flat inner end 326d of the auxiliary support assembly, passes through the cushion layer 324 and enters the fixing hole of the straight-through plate 321, and is fixedly connected by threads. The elastic bar 52 is fixed and pressed against the bottom of the rail 41 through the threaded spike 51, fixedly connecting the rail 41 and the underlying rail supporting unit 32.

[0061] As Figures 20 - 23 shown, in order to verify the performance of the above-mentioned full support rail support platform proposed by the present invention, the full support rail support platform of the present invention, the rail support platform with X sleepers, and the existing technology rail support platform are used in the ballastless track. Only the rail support platform structures are different, and other structures are the same. They are compared under the same stress conditions:

[0062] Considering the situation of the train passing through the track, the settlement amounts generated by various structures under the action of vertical moving loads are simulated. The load moving speed is set to 250 km / h, and the axle load of the train is 16 t. The situations of two groups of wheels passing through the ballastless track are compared.

[0063] As Figure 21 shown, under the action of the same moving load, the maximum settlement of the ballastless track slab using the full support rail support platform of the present invention is approximately 52% and 43% smaller than that of the traditional ballastless track slab and the X sleeper ballastless track slab respectively. Moreover, the distribution of the settlement amount of the full support rail support platform of the present invention is more uniform, which is beneficial to reducing the bonding failure between the bottom of the track slab and the CA mortar layer due to bending and tensile deformation.

[0064] Two concentrated forces are arranged at the same position on the track to simulate the lateral force of the train on the track. The concentrated force acts at the center of the track and has a magnitude of 5 t. As Figure 22 shown, the lateral displacement of the rail in the ballastless track slab using the full support rail support platform of the present invention is 7.9 mm, which is approximately 73% and 70% smaller than that of the traditional ballastless track slab and the X sleeper ballastless track slab respectively.

[0065] Under this load, the stress nephograms of the rail in different structures are as Figure 23 shown. It can be seen that the overall stress level of the rail in the ballastless track slab using the full support rail support platform of the present invention is significantly smaller than that of the traditional ballastless track slab and the X sleeper ballastless track slab. The stress peak value of the rail in the ballastless track slab using the full support rail support platform of the present invention is 123 MPa, which is approximately 62% and 32% smaller than that of the traditional ballastless track slab and the X sleeper respectively.

[0066] According to the above comparison, it can be seen that the full-support track bearer provided by the present invention can significantly reduce the settlement, lateral displacement and vibration caused by the load, effectively reduce the overall stress, improve the smoothness of train operation, and has excellent vibration damping effect, settlement resistance and lateral displacement resistance.

[0067] The above embodiments are merely illustrative examples of the technical solutions of the present invention. The full-support track bearer, ballastless track and support assembly involved in the present invention are not limited to the structures described in the above embodiments, but are subject to the scope defined by the claims. Any modification, supplement or equivalent replacement made by those skilled in the art to which the present invention pertains on the basis of this embodiment is within the scope claimed by the present invention.

Claims

1. Full - support ballastless track, characterized in that, it includes: A full - support rail - supporting platform extending along the train running direction, including: a ballastless track slab main body, and two rail - supporting units formed side - by - side on the ballastless track slab main body with a spacing corresponding to the train gauge; each of the rail - supporting units includes a straight - through plate, a plurality of shoulders, a plurality of cushions, and a full - support member; the straight - through plate extends along the train running direction and is strip - shaped; on both sides of the straight - through plate, a plurality of shoulders are formed at intervals along the train running direction, and any two adjacent shoulders on different sides are staggered, so that the left and right ends of each shoulder are respectively opposite to the adjacent ends of two adjacent shoulders on the other side of the straight - through plate; the cushion corresponds to the end of the shoulder and is laid between the ends of the shoulders facing each other on different sides. The cushion includes a left cushion and a right cushion. For each shoulder, the left cushion extends obliquely to the left from the left end of the shoulder to the adjacent right end of the adjacent shoulder on the other side of the straight - through plate, and the right cushion extends obliquely to the right from the right end of the shoulder to the adjacent left end of the other adjacent shoulder on the other side of the straight - through plate; the full - support member has the same length as the straight - through plate, the upper surface is a plane, bears the rail and is in full contact with the bottom surface of the rail, the lower surface matches the cushion and the straight - through plate, the lower surface is provided with grooves fitted with the cushion, and support bumps formed between the grooves and in contact with the straight - through plate; A rail part, including: two rows of rails respectively erected on the two rail - supporting units; and An installation member for installing the rail on the rail - supporting unit.

2. Full - support rail - supporting platform, characterized in that, it includes: A ballastless track slab main body; and Two rail - supporting units formed side - by - side on the ballastless track slab main body with a spacing corresponding to the train gauge; each of the rail - supporting units includes a straight - through plate, a plurality of shoulders, a plurality of cushions, and a full - support member; the straight - through plate extends along the train running direction and is strip - shaped; on both sides of the straight - through plate, a plurality of shoulders are formed at intervals along the train running direction, and any two adjacent shoulders on different sides are staggered, so that the left and right ends of each shoulder are respectively opposite to the adjacent ends of two adjacent shoulders on the other side of the straight - through plate; the cushion corresponds to the end of the shoulder and is laid between the ends of the shoulders facing each other on different sides. The cushion includes a left cushion and a right cushion. For each shoulder, the left cushion extends obliquely to the left from the left end of the shoulder to the adjacent right end of the adjacent shoulder on the other side of the straight - through plate, and the right cushion extends obliquely to the right from the right end of the shoulder to the adjacent left end of the other adjacent shoulder on the other side of the straight - through plate; the full - support member has the same length as the straight - through plate, the upper surface is a plane, bears the rail and is in full contact with the bottom surface of the rail, the lower surface matches the cushion and the straight - through plate, the lower surface is provided with grooves fitted with the cushion, and support bumps formed between the grooves and in contact with the straight - through plate.

3. The full support ballastless track according to claim 1 or the full support rail seat according to claim 2, characterized in that: Wherein, The full support rail seat further includes multiple groups of auxiliary support members. Each group of auxiliary support members corresponds to one of the cushions, and includes a left auxiliary support assembly and a right auxiliary support assembly corresponding to the left cushion and the right cushion respectively. The left auxiliary support assembly includes two left auxiliary support members oppositely arranged on both sides of the full support member, and the right auxiliary support assembly includes two right auxiliary support members oppositely arranged on both sides of the full support member; On both sides of the straight-through plate, there is formed a long straight groove extending along the train running direction and sunken downward, and the outer side surface of the long straight groove is connected to the inner side surface of the shoulder; The outer ends of the left auxiliary support member and the right auxiliary support member are both fitted into the area surrounded by the inner side surface of the shoulder, the surface of the long straight groove, and the surface of the cushion. The lower surface of the inner end is attached to the cushion, and the side surface is opposite to both side surfaces of the full support member.

4. The full support ballastless track according to claim 1, characterized in that: Wherein, The installation members are multiple groups of fasteners. Each group of fasteners corresponds to one group of the auxiliary support members, fixes the auxiliary support members and the cushion on the straight-through plate, and buckles the bottom of the rail on the full support member.

5. The full support ballastless track or the full support rail seat according to claim 3, characterized in that: Wherein, The outer ends of the left auxiliary support member and the right auxiliary support member are such that the outer side surface fits the inner side surface of the shoulder, and the bottom is fitted into the long straight groove. The inner end is a flat plate shape with an upper surface lower than the outer end and inclined and extending towards the full support member.

6. The full support ballastless track or the full support rail seat according to claim 3, characterized in that: Wherein, The full support member includes multiple full support plates, and each full support plate corresponds to one group of the auxiliary support members.

7. The full support ballastless track or the full support rail seat according to claim 3, characterized in that: Wherein, The ballastless track slab body, the straight-through plate, the shoulder, and the long straight groove are integrally formed.

8. The full support ballastless track according to claim 1 or the full support rail seat according to claim 2, characterized in that: Wherein, The width of the full support member is greater than the width of the bottom of the rail, and is 1 / 3 to 2 / 3 of the width of the straight-through plate.

9. The full support ballastless track according to claim 1 or the full support rail seat according to claim 2, characterized in that: Wherein, The distance between adjacent shoulders on the same side is 1 / 2 to 3 / 4 of the length of the shoulder.

10. A support assembly, used in the full support ballastless track according to claim 1 or the full support rail seat according to claim 2, formed between multiple shoulders arranged at intervals and staggered along the train running direction, characterized in that, including: A plurality of cushions, the cushions corresponding to the ends of the shoulder, are laid between the ends of the shoulders facing each other on different sides. The cushion includes a left cushion and a right cushion. For each shoulder, there is a left cushion that extends obliquely leftward from the left end of the shoulder to the adjacent right end facing the other shoulder on the other side of the straight-through plate, and a right cushion that extends obliquely rightward from the right end of the shoulder to the adjacent left end facing the other shoulder on the other side of the straight-through plate; and A full support member, having a length consistent with that of the straight-through plate, has a flat upper surface for carrying the rail and being in full contact with the bottom surface of the rail. The lower surface is matched with the cushion and the straight-through plate, and is provided with grooves that are fitted with the cushion, and support bumps that are filled between the spaced areas of the adjacent cushions and are in contact with the straight-through plate.

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