CN114808564A

CN114808564A - Track structure suitable for medium-low speed maglev train and installation method thereof

Info

Publication number: CN114808564A
Application number: CN202210549937.9A
Authority: CN
Inventors: 张敏; 马卫华; 胡俊雄; 罗世辉
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-07-29
Anticipated expiration: 2042-05-20
Also published as: CN114808564B

Abstract

The invention relates to the technical field of maglev trains, and provides a track structure suitable for a medium-low speed maglev train and an installation method thereof, wherein the track structure comprises a cloud track beam, a plurality of clamping support members, a support beam and an F track, wherein the clamping support members are sequentially arranged along the length direction of the cloud track beam, and rail bearing platforms are arranged on the two sides of the clamping support members along the width direction of the cloud track beam; the supporting beam extends along the length direction of the cloud rail track beam and is borne on the rail bearing platform; the F rail extends along the length direction of the cloud rail track beam and is installed on the supporting beam. The track structure suitable for the medium-low speed maglev train provided by the invention realizes that the cloud track beam is transformed into the track structure meeting the safe and reliable operation requirement of the medium-low speed maglev train on the basis of not changing the existing structure of the existing cloud track beam, and achieves the purposes of fully utilizing the old and reducing the transformation cost.

Description

Track structure suitable for medium-low speed maglev train and installation method thereof

Technical Field

The invention relates to the technical field of maglev trains, in particular to a track structure suitable for a medium-low speed maglev train and an installation method thereof.

Background

Cloud rail traffic is built in 2017 in part of domestic cities, and due to policy change and other reasons, the cloud rail traffic cannot be built continuously, so that the built or partially built cloud rail beam for normal operation of a cloud rail train is laid up till now, and resource waste and adverse social effects are caused. A conventional cloud rail train adopts a straddle type single rail structure, a cloud rail beam is a simple PC concrete beam, the width of the cloud rail beam is usually 700mm, and power supply rails are arranged on two sides of the cloud rail beam, but other rail structures are not arranged.

With the rapid development of the medium-low speed maglev train technology, the medium-low speed maglev train based on electromagnet suspension and linear motor traction has the advantages of low vibration noise, strong climbing capability, good curve passing performance, low carbon, environmental protection and the like, and can better replace the existing cloud rail traffic.

However, the track structure for normal running of the existing medium-low speed maglev train usually adopts a track panel structure consisting of sleepers and F rails, the track gauge of the track panel structure is usually wide and is generally about 1700-2000 mm, and it is difficult to directly install the F rail required by normal running of the medium-low speed maglev train on a cloud rail beam.

Therefore, it is necessary to design a track structure that can meet the requirements of the medium and low speed maglev train on safe and reliable operation without changing the existing cloud track beam structure.

Disclosure of Invention

The invention aims to provide a track structure suitable for a medium-low speed maglev train and an installation method thereof, so as to realize the purpose of modifying a cloud rail track beam into a track structure meeting the safe and reliable operation requirement of the medium-low speed maglev train on the basis of not changing the existing structure of the existing cloud rail track beam, thereby achieving the purposes of fully utilizing the old and reducing the modification cost.

The purpose of the invention is realized by the following technical scheme:

in one aspect, the present invention provides a track structure suitable for a medium-low speed maglev train, including:

a cloud rail track beam;

the clamping support members are sequentially arranged at equal intervals along the length direction of the cloud rail track beam; the clamping and supporting member is used for surrounding and clamping the cloud rail track beam, and rail bearing platforms are formed on two sides of the clamping and supporting member in the width direction of the cloud rail track beam;

the supporting beam extends along the length direction of the cloud rail track beam and is borne on the rail bearing platform;

and the F rail extends along the length direction of the cloud rail beam and is installed on the supporting beam.

Optionally, the rail bearing platform at least has a positioning surface located in a vertical plane and a bearing surface located in a horizontal plane, one side of the support beam close to the cloud rail track beam is attached to the positioning surface of the rail bearing platform, and the bottom of the support beam is supported on the bearing surface of the rail bearing platform.

Furthermore, one side of the supporting beam close to the cloud rail beam is fixedly connected with the positioning surface of the rail bearing platform, and the bottom of the supporting beam is fixedly connected with the bearing surface of the rail bearing platform through bolts.

Optionally, the clamping support member includes an upper bridge, a lower bridge and a connecting piece, the upper bridge and the lower bridge are both in a "door" type structure, and the rail bearing platforms are arranged on both sides of the upper bridge;

go up the crane span structure knot and establish at the top of cloud rail track roof beam, lower crane span structure knot establishes the bottom at cloud rail track roof beam, goes up the crane span structure and all links to each other through the connecting piece with the corresponding both sides of lower crane span structure.

Further, the connecting piece is long screw, and the top of long screw is provided with spacing portion, has seted up spacing hole on going up the crane span structure, and spacing hole runs through the crane span structure along vertical direction, and the inner wall in spacing hole is provided with the spacing step with spacing portion adaptation, and the bottom of long screw passes spacing hole downwardly extending and runs through lower crane span structure.

Furthermore, the cloud rail track roof beam all is provided with the power supply rail along its ascending both sides in width direction, has the clearance that supplies long screw to pass between the inboard of power supply rail and the lateral wall of cloud rail track roof beam.

Furthermore, the number of the connecting pieces positioned on the same side of the upper bridge frame and the lower bridge frame is two, and the two connecting pieces are arranged side by side.

Optionally, the support beams positioned on the two sides of the cloud rail track beam are provided with connecting blocks, the connecting blocks arranged on each support beam correspond to the clamping support members one by one, the connecting blocks extend towards the cloud rail track beam along the horizontal direction, and the bottom surfaces of the connecting blocks are abutted to the top surfaces of the clamping support members;

the clamping support structure further comprises connecting plates which correspond to the clamping support members one to one, one end of each connecting plate is connected with the connecting block of one support beam, and the other end of each connecting plate is connected with the connecting block of the other support beam.

Alternatively, the distance between two adjacent clamping support members is 1 m.

On the other hand, the invention provides a method for installing a track structure suitable for a medium-low speed maglev train, which comprises the following steps of:

s1, sequentially installing a plurality of clamping and supporting members which are distributed at equal intervals along the length direction of a cloud rail track beam, wherein the clamping and supporting members form rail bearing platforms on two sides along the width direction of the cloud rail track beam;

s2, respectively installing a support beam on each of two sides in the width direction of the cloud rail track beam, wherein the support beams extend in the length direction of the cloud rail track beam and are borne on a rail bearing platform;

and S3, respectively installing an F rail on each supporting beam.

The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:

the track structure suitable for the medium-low speed maglev train provided by the invention realizes that the cloud track beam is transformed into the track structure meeting the safe and reliable operation requirement of the medium-low speed maglev train on the basis of not changing the existing structure of the existing cloud track beam, and achieves the purposes of fully utilizing the old and reducing the transformation cost. Meanwhile, the track structure is firm and reliable, the modular design is realized by arranging the plurality of clamping and supporting members which are sequentially arranged along the length direction of the cloud track beam, the processing, the manufacturing and the installation are convenient, the overall effect of the track structure is attractive, and the problem of vehicle-track coupling vibration possibly occurring in the normal running process of the medium-low speed maglev train can be effectively inhibited by adopting the close-joint type track design of the steel structure, so that the reliability of the track structure is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a track structure provided in embodiment 1 of the present invention;

fig. 2 is a schematic partial enlarged structural view of a track structure provided in embodiment 1 of the present invention;

fig. 3 is a left side view of a track structure provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a clamping support member provided in embodiment 1 of the present invention;

fig. 5 is a side sectional view of an upper bridge according to embodiment 1 of the present invention;

FIG. 6 is a side cross-sectional view of a lower bridge according to example 1 of the present invention;

FIG. 7 is a side sectional view of a clamp support member provided in embodiment 1 of the present invention

Fig. 8 is an enlarged view of a portion a in fig. 2.

Icon: the track comprises a cloud track rail beam, 2 clamping and supporting members, 21 an upper bridge frame, 21a limiting holes, 21b limiting steps, 22a lower bridge frame, 22a through holes, 23 connecting pieces, 23a limiting parts, 24 bearing plates, 25 reinforcing ribs, 26 first nuts, 27 second nuts, 3 supporting beams, 3a connecting blocks, 4F tracks, 5 power supply tracks, 6 rail bearing platforms, 6a positioning surfaces, 6b bearing surfaces and 7 connecting plates.

Detailed Description

Example 1

Referring to fig. 1 to 8, the present embodiment provides a track structure suitable for a medium-low speed maglev train, so as to transform a cloud-rail track beam 1 into a track structure capable of meeting the requirements of the medium-low speed maglev train on safe and reliable operation without changing the existing cloud-rail track beam 1, thereby achieving sufficient utilization and reducing the transformation cost. The track structure comprises a cloud track beam 1, a clamping support member 2, a support beam 3 and an F-track 4.

In this embodiment, please refer to fig. 1, fig. 2, or fig. 3, the cloud rail track beam 1 is a PC concrete beam in an existing cloud rail traffic system, and power supply rails 5 for normal operation of a cloud rail train are disposed on outer walls of two sides of the cloud rail track beam 1 in a width direction thereof, and it should be noted that a specific structure of the cloud rail track beam 1 may refer to a specific structure of the existing cloud rail track beam 1, which is not described herein in detail.

In order to realize the purpose that the cloud track beam 1 is transformed into a track structure for the safe and reliable operation of the medium-low speed maglev train on the basis of not changing the existing structure of the cloud track beam 1, the clamping support member 2, the support beam 3 and the F track 4 are additionally arranged on the track structure suitable for the medium-low speed maglev train.

The single clamping and supporting member 2 is used for surrounding the cloud track beam 1 in the middle and clamping the cloud track beam 1, in this embodiment, the number of the clamping and supporting members 2 is multiple, the multiple clamping and supporting members 2 are sequentially arranged along the length direction of the cloud track beam 1, and rail bearing platforms 6 are formed on two sides of the clamping and supporting members 2 in the width direction of the cloud track beam 1, at this time, the multiple clamping and supporting members 2 jointly form a steel structure base platform and are matched with the rail bearing platforms 6 formed on two sides of the clamping and supporting members 2 to expand the width of the existing cloud track beam 1, so that the finally formed track structure can meet the track gauge requirement of the track structure for normal running of the medium-low speed maglev train.

It should be noted that, in order to make the force acting on each position of the cloud rail track beam 1 more uniform as much as possible, in combination with the schematic structural diagram of the track structure shown in fig. 1, the plurality of clamping support members 2 of the present embodiment are sequentially arranged at equal intervals along the length direction of the cloud rail track beam 1, as a preferable scheme, the interval between two adjacent clamping support members 2 is 1m, of course, the interval between two adjacent clamping support members 2 may be adjusted according to actual conditions in actual implementation, and the interval between two adjacent clamping support members 2 is not particularly limited herein.

Referring to fig. 2 or fig. 3, the support beam 3 is used for supporting an F rail 4 for a medium-low speed maglev train to normally travel, two support beams 3 are respectively disposed on two sides of the cloud rail track beam 1 to support one F rail 4 through one support beam 3, and at this time, the support beam 3 extends along the length direction of the cloud rail track beam 1 and is supported on the rail support platform 6 to realize the installation and fixation of the support beam 3.

Correspondingly, with continued reference to fig. 2 or fig. 3, there are two F rails 4 respectively disposed on two sides of the cloud rail track beam 1, and each F rail 4 extends along the length direction of the cloud rail track beam 1 and is mounted on the supporting beam 3, at this time, the F rails 4 located on two sides of the cloud rail track beam 1 jointly form a track for the medium-low speed maglev train to normally run. It should be noted that, in conjunction with the left side view of the track structure shown in fig. 3, the F-shaped rail 4 of the present embodiment is preferably disposed on the top surface of the supporting beam 3, so as to provide stable and reliable support for the F-shaped rail 4 through the supporting beam 3; simultaneously, can adopt bolted connection's mode fixed connection between F rail 4 and the supporting beam 3, the example, can set up the threaded connection hole that corresponds with threaded connection hole on the F rail 4 at supporting beam 3's top surface in advance to in with the quick accurate installation of F rail 4 to supporting beam 3, accelerate F rail 4's installation effectiveness, need adjust F rail 4's position repeatedly when avoiding the later stage installation.

Therefore, the track structure suitable for the medium-low speed maglev train provided by the embodiment realizes the purpose of modifying the cloud track beam 1 into the track structure meeting the safe and reliable operation requirement of the medium-low speed maglev train on the basis of not changing the existing structure of the existing cloud track beam 1, and achieves the purposes of fully utilizing the old and reducing the modification cost. Meanwhile, the track structure is firm and reliable, the modular design is realized by arranging the plurality of clamping and supporting members 2 which are sequentially arranged along the length direction of the cloud track beam 1, the processing, the manufacturing and the installation are convenient, the overall effect of the track structure is attractive, and the problem of vehicle-track coupling vibration possibly occurring in the normal running process of the medium-low speed maglev train can be effectively inhibited by adopting the close-joint track design of the steel structure, so that the reliability of the track structure is further improved.

In this embodiment, in order to facilitate the rapid installation of the support beam 3 on the rail bearing platform 6 and improve the reliability of the support beam 3, in combination with the schematic structural diagram of the clamping support member 2 shown in fig. 4, the rail bearing platform 6 of this embodiment at least has a positioning surface 6a located in a vertical plane and a bearing surface 6b located in a horizontal plane, at this time, one side of the support beam 3 close to the cloud rail beam 1 is attached to the positioning surface 6a of the rail bearing platform 6, and the bottom of the support beam 3 is borne on the bearing surface 6b of the rail bearing platform 6. Preferably, in the embodiment, one side of the support beam 3 close to the cloud rail track beam 1 is fixedly connected with the positioning surface 6a of the rail bearing platform 6 through bolts, and at the same time, the bottom of the support beam 3 is fixedly connected with the bearing surface 6b of the rail bearing platform 6 through bolts, and it can be understood that corresponding threaded connection holes can be arranged in advance on the positioning surface 6a of the rail bearing platform 6, the bearing surface 6b of the rail bearing platform 6, one side of the support beam 3 close to the cloud rail track beam 1, and the bottom of the support beam 3, so as to connect the rail bearing platform 6 and the support beam 3 by using bolts when the support beam 3 is installed and fixed. So set up, when actually installing supporting beam 3, only need to make supporting beam 3 be close to cloud rail track roof beam 1 one side and support rail platform 6 locating surface 6a and paste mutually, and make threaded connection hole on the locating surface 6a of support rail platform 6 and the threaded connection hole counterpoint that supporting beam 3 is close to cloud rail track roof beam 1 one side, the threaded connection hole on the loading end 6b of support rail platform 6 and the threaded connection hole counterpoint of supporting beam 3 bottom, can utilize the bolt to be connected supporting beam 3 and support rail platform 6 fast, improve supporting beam 3's installation effectiveness and ensure supporting beam 3's reliability.

In this embodiment, in order to facilitate the installation of the clamping support member 2 and ensure that the clamping support member 2 can provide reliable support for the support beam 3 and the F rail 4, referring to fig. 3, the clamping support member 2 of this embodiment includes an upper bridge frame 21, a lower bridge frame 22 and a connecting member 23, the upper bridge frame 21 and the lower bridge frame 22 both adopt a semi-enclosed and approximately door-shaped structure, the rail support platforms 6 are disposed on both sides of the upper bridge frame 21, and the connecting member 23 is used for connecting the upper bridge frame 21 and the lower bridge frame 22, that is, the connecting member 23 of the clamping support member 2 is disposed on both sides along the width direction of the cloud rail beam 1, and at this time, the upper bridge frame 21 and the lower bridge frame 22 on the same side of the cloud rail beam 1 are connected by the connecting member 23.

It can be understood that, in the embodiment, the bearing plate 24 is disposed on the outer side wall of the upper bridge frame 21, and the bearing plate 24 and the upper bridge frame 21 are of an integrated structure to ensure the structural integrity and the structural strength of the upper bridge frame 21, at this time, with reference to the structural schematic diagram of the clamping support member 2 shown in fig. 3, the bearing plate 24 and the upper half portion of the upper bridge frame 21 together form the rail bearing platform 6, the top surface of the bearing plate 24 is the bearing surface 6b of the rail bearing platform 6, and the outer side wall of the upper half portion of the upper bridge frame 21 is the positioning surface 6a of the rail bearing platform 6. Preferably, the bearing plate 24 is disposed at the middle position of the outer side wall of the upper bridge 21, and meanwhile, a reinforcing rib 25 in a shape of a triangle may be further disposed between the bottom surface of the bearing plate 24 and the outer side wall of the lower half of the upper bridge 21, so as to further improve the structural strength of the bearing plate 24, and enable it to provide reliable support for the support beam 3 and the F-rail 4. In addition, in order to reduce the material loss of the upper and

lower bridges

21 and 22 while ensuring the structural strength of the upper and

lower bridges

21 and 22, thereby reducing the weight of the upper and

lower bridges

21 and 22 and reducing the cost, an annular hollow portion may be provided in the middle region of the upper and

lower bridges

21 and 22.

With such arrangement, in the actual installation process, the upper bridge frame 21 is buckled on the top of the cloud rail track beam 1, the lower bridge frame 22 is buckled on the bottom of the cloud rail track beam 1, so that the inner top surface of the door-shaped area inside the upper bridge frame 21 is abutted against the top surface of the cloud rail track beam 1, the inner walls of the two sides of the door-shaped area inside the upper bridge frame 21 are abutted against the outer walls of the two sides of the cloud rail track beam 1, the inner bottom surface of the door-shaped area inside the lower bridge frame 22 is abutted against the bottom surface of the cloud rail track beam 1, the inner walls of the two sides of the door-shaped area inside the lower bridge frame 22 are abutted against the outer walls of the two sides of the cloud rail track beam 1, and the two corresponding sides of the upper bridge frame 21 and the lower bridge frame 22 are connected through the connecting piece 23, at this time, the structural diagram after the installation of the upper bridge frame 21, the lower bridge frame 22 and the connecting piece 23 is as shown in fig. 3, the upper bridge frame 21, the lower frame 22 and the connecting piece 23 of the clamping support member 2 can be used to surround the cloud rail track beam 1, and the clamping support member 2 and the support beam 3 form a steel structure support platform with firm and stable structure together, thereby providing safe and reliable support for the F rail 4 and ensuring that the medium-low speed maglev train can safely and reliably run on the F rail 4.

It can be understood that, because there is often a gap between the inner side of the power supply rail 5 disposed on the existing cloud rail beam 1 and the outer side wall of the cloud rail beam 1, the connecting member 23 of the present embodiment uses a long screw. Meanwhile, in order to realize quick connection of the upper bridge frame 21 and the lower bridge frame 22, in this embodiment, the top end of the long screw is provided with a limiting portion 23a, in combination with the side sectional view of the upper bridge frame 21 shown in fig. 5, the upper bridge frame 21 is provided with a limiting hole 21a through which the long screw passes, the limiting hole 21a penetrates the upper bridge frame 21 in the vertical direction, the inner wall of the limiting hole 21a is provided with a limiting step 21b adapted to the limiting portion 23a, in combination with the side sectional view of the lower bridge frame 22 shown in fig. 6, the lower bridge frame 22 is provided with a through hole 22a penetrating the lower bridge frame 22 in the vertical direction, and the through hole 22a is aligned with the limiting hole 21a on the upper bridge frame 21. In actual installation, the bottom end of the long screw rod sequentially passes through the limiting hole 21a and the gap between the power supply rail 5 and the cloud rail track beam 1, then extends downward and passes through the through hole 22a of the lower bridge frame 22, at this time, referring to the side cross-sectional view of the clamping support member 2 shown in fig. 7, the limiting portion 23a is limited in the limiting hole 21a under the limiting action of the limiting step 21b (i.e. the bottom surface of the limiting portion 23a is supported on the top surface of the limiting step 21 b), and the first external thread section at the upper bridge frame 21 and the second external thread section at the lower bridge frame 22 are respectively provided based on the outer wall of the long screw rod, so that the long screw rod and the upper bridge frame 21 can be fixed by the first nut 26 which is connected to the first external thread section of the long screw rod and is located at the bottom of the upper bridge frame 21, and the long screw rod and the lower bridge frame 22 can be fixed by the two second nuts 27 which are connected to the second external thread section of the long screw rod and are located at the upper and the lower ends of the lower bridge frame 22, the whole installation process is simple and quick, and the reliability of the clamping support member 2 after the installation can be effectively improved. By the arrangement, the upper bridge frame 21 and the lower bridge frame 22 can be reliably connected on the basis of the scheme of the power supply rail 5 without affecting the existing cloud rail track beam 1.

It should be noted that, in this embodiment, the number of the connecting pieces 23 used for connecting the upper bridge 21 and the lower bridge 22 on the same side may be one or multiple, for example, in combination with the schematic structural diagram of the clamping support member 2 shown in fig. 4, in this embodiment, two connecting pieces 23 located on the same side of the upper bridge 21 and the lower bridge 22 are provided (that is, two sides of a single clamping support member 2 are provided with four long screws in total), and the two connecting pieces 23 located on the same side of the cloud rail track beam 1 are arranged side by side, so as to further improve the reliability after the connection between the upper bridge 21 and the lower bridge 22, at this time, the limiting holes 21a formed in the upper bridge 21 and the through holes 22a formed in the lower bridge 22 are all in one-to-one correspondence with the connecting pieces 23.

In this embodiment, referring to fig. 2, fig. 3 or fig. 8, the support beams 3 on both sides of the cloud rail beam 1 are provided with connecting blocks 3a, the connecting blocks 3a on each support beam 3 correspond to the clamping support members 2 one by one, that is, the support beams 3 on both sides of each clamping support member 2 are provided with one connecting piece 3a, and at this time, the connecting blocks 3a of the two support beams 3 located at the same clamping support member 2 are oppositely arranged and located on the same straight line, one side of the connecting block 3a far away from the support beam 3 extends towards the cloud rail track beam 1 along the horizontal direction, the bottom surface of the connecting block 3a is abutted against the top surface of the clamping support member 2, preferably, the bottom surface of the connecting block 3a of the embodiment is abutted against the top surface of the upper bridge frame 21, to apply a downward force to the upper bridge 21 through the connection blocks 3a located at both sides of the upper bridge 21, thereby further limiting the displacement of the upper bridge 21 in the vertical direction and improving the stability of the upper bridge 21. It will be appreciated that, in order to ensure the structural integrity of the support beam 3 and simultaneously ensure the structural strength of the support beam 3, the connecting blocks 3a provided on each support beam 3 are of an integral structure with the support beam 3.

Meanwhile, referring to fig. 2 or fig. 8, the track structure provided in this embodiment further includes connection plates 7 corresponding to the clamping support members 2 one to one, namely, a connecting plate 7 is correspondingly arranged at one clamping and supporting member 2, one end of the connecting plate 7 is fixedly connected with the connecting block 3a of one supporting beam 3 through a bolt, the other end of the connecting plate 7 is fixedly connected with the connecting block 3a at the corresponding position on the other supporting beam 3 through a bolt, the connecting plate 7 is approximately vertical to the cloud rail track beam 1 after being installed, and the connecting plate 7 is positioned in the central area right above the upper bridge frame 21, the stability of clamping the supporting member 2 can be further improved by arranging the connecting plate 7, meanwhile, the integral rigidity of a steel structure supporting platform consisting of the clamping supporting member 2 and the supporting beam 3 can be improved, and stable and reliable support can be provided for normal running of the medium-low speed magnetic suspension train. Preferably, in the actual implementation process, holes for bolts to pass through and corresponding to each other may be simultaneously formed in the upper bridge frame 21, the connecting block 3a and the connecting plate 7, so that the upper bridge frame 21, the connecting block 3a and the connecting plate 7 are connected into a whole by the bolts, thereby further improving the overall rigidity of the steel structure supporting platform composed of the clamping supporting member 2 and the supporting beam 3.

Example 2

On the basis of embodiment 1, the present embodiment provides an installation method of a track structure suitable for a medium-low speed maglev train, and specifically provides a method for reconstructing a cloud track rail beam 1 into a track structure suitable for a medium-low speed maglev train as described in embodiment 1. The installation method comprises the following steps:

s1, firstly, sequentially installing a plurality of clamping and supporting members 2 which are distributed at equal intervals along the length direction of a cloud rail track beam 1, wherein the clamping and supporting members 2 form rail bearing platforms 6 on two sides along the width direction of the cloud rail track beam 1. In this embodiment, the distance between two adjacent clamping and supporting members 2 is 1m, the upper bridge 21 of each clamping and supporting member 2 is buckled at the top of the cloud rail track beam 1, the lower bridge 22 is buckled at the bottom of the cloud rail track beam 1, and the two corresponding sides of the upper bridge 21 and the lower bridge 22 are connected in sequence through four long screws, so that the clamping and supporting members 2 surround the cloud rail track beam 1 and clamp the cloud rail track beam 1, and the clamping and supporting members 2 provide stable and reliable support for the supporting beam 3 and the F rail 4.

S2, then, two sides of the cloud rail track beam 1 in the width direction are respectively provided with a support beam 3, and the support beams 3 extend along the length direction of the cloud rail track beam 1 and are borne on a rail bearing platform 6. Specifically, one side of the support beam 3 close to the cloud rail track beam 1 is attached to a positioning surface 6a of the rail bearing platform 6, the bottom of the support beam 3 is supported on a supporting surface 6b of the rail bearing platform 6, and the support beam 3 is fixedly connected with the rail bearing platform 6 through bolts, so that the support beam 3 is quickly positioned and installed, and the support beam 3 provides stable and reliable support for the F rail 4; after the support beams 3 on the two sides of the cloud rail track beam 1 are installed, the bottom surfaces of the connecting blocks 3a on the support beams 3 are respectively abutted to the top surfaces of the upper bridges 21 of the corresponding clamping support members 2, and meanwhile, the connecting plates 7 are installed right above the upper bridges 21 of each clamping support member 2 so as to connect the support beams 3 on the two sides of the cloud rail track beam 1 through the connecting plates 7, so that the overall rigidity of a steel structure support platform formed by the clamping support members 2 and the support beams 3 is improved.

S3, finally, install an F rail 4 that extends along the length direction of cloud rail track roof beam 1 on every supporting beam 3 respectively, namely, through the bolt with F rail 4 fixed mounting at supporting beam 3's top surface, so far, accomplished promptly and reformed transform cloud rail track roof beam 1 into the track structure's that supplies the safe and reliable operation of low-and-medium speed maglev train process, whole transformation scheme is simple and high-efficient, and does not change current cloud rail track roof beam 1's overall structure, realized fully utilizing old and reduced the transformation cost, simultaneously, except cloud rail track roof beam 1, all the other parts of track structure all make things convenient for the dismouting, thereby be convenient for carry out reuse to various parts.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a track structure suitable for well low-speed maglev train which characterized in that includes:

a cloud rail track beam;

2. The track structure suitable for medium and low speed maglev trains according to claim 1, wherein the rail bearing platform has at least a positioning surface in a vertical plane and a bearing surface in a horizontal plane, one side of the support beam near the cloud track beam is attached to the positioning surface of the rail bearing platform, and the bottom of the support beam is supported on the bearing surface of the rail bearing platform.

3. The track structure suitable for the medium-low speed maglev train according to claim 2, wherein the side of the support beam close to the cloud track beam is fixedly connected with the positioning surface of the rail bearing platform, and the bottom of the support beam is fixedly connected with the bearing surface of the rail bearing platform through bolts.

4. The track structure suitable for the moderate-low speed maglev train according to claim 1, wherein the clamping support member comprises an upper bridge, a lower bridge and a connecting piece, the upper bridge and the lower bridge are both in a door-shaped structure, and the rail bearing platforms are arranged on two sides of the upper bridge;

the upper bridge frame is buckled at the top of the cloud rail track beam, the lower bridge frame is buckled at the bottom of the cloud rail track beam, and two corresponding sides of the upper bridge frame and the lower bridge frame are connected through connecting pieces.

5. The track structure suitable for middle and low speed maglev trains according to claim 4, wherein the connecting member is a long screw, the top end of the long screw is provided with a limiting portion, the upper bridge is provided with a limiting hole, the limiting hole vertically penetrates through the upper bridge, the inner wall of the limiting hole is provided with a limiting step adapted to the limiting portion, and the bottom end of the long screw passes through the limiting hole and extends downwards and penetrates through the lower bridge.

6. The track structure suitable for the medium-low speed maglev train according to claim 5, wherein the cloud track beam is provided with power supply tracks along both sides of the cloud track beam in the width direction, and a gap for the long screw to pass through is formed between the inner side of each power supply track and the outer side wall of the cloud track beam.

7. The track structure suitable for medium and low speed maglev trains according to claim 5, wherein there are two connecting members located on the same side of the upper and lower bridges, and the two connecting members are arranged side by side.

8. The track structure suitable for the medium-low speed maglev train according to claim 1, wherein the support beams at two sides of the cloud track beam are provided with connecting blocks, the connecting blocks arranged on each support beam are in one-to-one correspondence with the clamping support members, the connecting blocks extend towards the cloud track beam along the horizontal direction, and the bottom surfaces of the connecting blocks are abutted against the top surfaces of the clamping support members;

9. The track structure suitable for the medium-low speed maglev train according to claim 1, wherein the distance between two adjacent clamping support members is 1 m.

10. The installation method of the track structure suitable for the medium-low speed maglev train is characterized by comprising the following steps of:

and S3, respectively installing an F rail on each supporting beam.