CN-121992692-A - But high-speed magnetic levitation assembled fine adjustment track structure

CN121992692ACN 121992692 ACN121992692 ACN 121992692ACN-121992692-A

Abstract

The invention provides a high-speed magnetic levitation assembled type precisely adjustable track structure, a track plate is fixedly connected to the upper end of a base through a cast-in-situ connecting layer, an adjusting part is arranged at the lower end of the base and connected to a lower foundation bearing structure through a foundation stone, a pouring hole is formed in the track plate, a second connecting rib 10 is arranged on the side wall of the pouring hole, a first connecting rib is arranged at the upper end of the base, the second connecting rib is positioned in the pouring hole and is in site binding with reinforcing steel bars in the cast-in-situ connecting layer, the first connecting rib is in site binding with reinforcing steel bar meshes in the cast-in-situ connecting layer, the cast-in-situ connecting layer is formed in the pouring hole, the upper end of the base and the lower end of the track plate through pouring, and integral functional areas are arranged on two sides of the track plate. The track structure realizes the separation of the track structure and the foundation bearing structures such as bridges, is suitable for different foundation structures such as bridges, roadbeds, tunnels and the like, is more convenient to manufacture, transport and install by adopting a prefabrication assembly technology, and can improve the construction quality and the precision of the track structure.

Inventors

WU WEIFAN
XU PENG
WANG HUIYONG
WANG WEIHUA
LI SHIYUAN
LU NING
HAN ZEQIAN
ZHANG HONGJI
HU XUHONG
YUAN WEI
LONG XUYOU
ZHAO HUAWEI
KOU SHENGYU
WANG JIAN
ZANG CHUANZHEN
WU YIQI

Assignees

中国铁路设计集团有限公司
中车青岛四方机车车辆股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241031

Claims (9)

1. The high-speed magnetic levitation assembled type track structure capable of being finely adjusted is characterized by comprising a base (1), a cast-in-situ connecting layer (2) and a track plate (3), wherein the track plate (3) is fixedly connected to the upper end of the base (1) through the cast-in-situ connecting layer (2), an adjusting part (4) is arranged at the lower end of the base (1), the adjusting part (4) is connected to a lower foundation bearing structure, a pouring hole (5) is formed in the track plate (3), a second connecting rib (10) is arranged on the track plate (3), the second connecting rib (10) extends into the pouring hole (5), a first connecting rib (9) is arranged on the base (1), the first connecting rib (9) is positioned at the upper end of the base (1), the upper end of the base (1) and the lower end of the track plate (3) are arranged on the two sides of the track plate (3) through pouring the cast-in-situ connecting layer (2), and integral functional areas (6) are formed on two sides of the track plate (3).
2. The high-speed magnetic levitation assembled type precisely adjustable track structure according to claim 1 is characterized in that the track plate (3) and the base (1) are of reinforced concrete prefabricated structures, and integral functional areas (6) are respectively embedded at two ends of the track plate (3).
3. The high-speed magnetic levitation assembled type precisely-adjustable track structure of claim 1, wherein a plurality of supporting legs (7) are axially arranged at the lower end of the base (1), an installation groove is formed in the upper end of each supporting leg (7), the periphery of the lower end of the base (1) is installed in the installation groove, a steel plate is embedded at the lower end of each supporting leg (7), and the adjusting component (4) is connected to the steel plate.
4. The high-speed magnetic levitation assembled type precisely adjustable track structure according to claim 3, wherein two ends of the supporting leg (7) are respectively provided with an adjusting part (4).
5. The high-speed magnetic levitation assembled type precisely adjustable track structure of claim 1, wherein the second connecting ribs (10) are connection reinforcing structures of the track plate (3) and the cast-in-situ connecting layer (2), and the first connecting ribs (9) are connection reinforcing structures of the base (1) and the cast-in-situ connecting layer (2).
6. The high-speed magnetic levitation assembled type precise adjustable track structure of claim 1, wherein a guide plate, a sliding plate and a stator (61) are arranged in the integral functional area (6), the guide plate is positioned on two sides of the track plate (3), the sliding plate is positioned at the upper end of the track plate (3), the stator (61) is mounted at the lower end of the track plate (3), and the guide plate, the sliding plate and the stator (61) are fixedly connected with steel bars or embedded parts in the track plate (3) respectively.
7. The high-speed magnetic levitation assembled type precisely adjustable track structure is characterized in that a reinforcing steel bar mesh is embedded in a cast-in-situ connecting layer (2), and the reinforcing steel bar mesh is located between a base (1) and a track plate (3).
8. The high-speed magnetic levitation assembled type precisely adjustable track structure of claim 1 is characterized in that the lower end face of the cast-in-situ connecting layer (2) is adhered to the upper end of the base (1), the upper end face of the cast-in-situ connecting layer (2) is adhered to the lower end of the track plate (3), and the upper end face of the cast-in-situ connecting layer (2) is a horizontal end face or is provided with a gradient.
9. The high-speed magnetic levitation assembled type fine-tuning track structure of claim 4, wherein the sizing block is arranged between the adjusting part (4) and the lower foundation.

Description

But high-speed magnetic levitation assembled fine adjustment track structure Technical Field The invention belongs to the field of magnetic levitation transportation, and particularly relates to a high-speed magnetic levitation assembled type precisely-adjustable track structure. Background The normally conductive magnetic high-speed magnetic levitation vehicle adopts a rail holding mode to float on a line, so that the problems of adhesion, friction, contact current receiving and the like of a wheel rail of the traditional wheel rail railway can be solved, and the speed of 600 km per hour or even higher can be realized. Aiming at the special running mode of the normally conductive magnetic high-speed magnetic levitation and the interface relation between the vehicle and a line track system, the Shanghai magnetic levitation demonstration line built in 2002 in China adopts the design concept of bridge and track integration, and combines a high-precision track structure with the bridge through a precisely-machined connecting piece to form an integral track beam structure. The integral track beam structure has extremely high requirements on the manufacture and processing of the track beam, and the deformation and deviation of the beam body are required to be strictly controlled in the processes of designing, maintaining, machining, erecting the beam and the like of the prestressed reinforcement of the beam body. Meanwhile, in the line operation process, the line deformation can be adjusted only through the bridge support, which is not beneficial to line maintenance and maintenance of the high smoothness of the track structure. In addition, for the higher section of bridge height, above-mentioned integral track roof beam structure still has the problem such as being difficult to set up sound barrier, rescue evacuation difficulty. Disclosure of Invention In view of the above, the invention aims to provide a high-speed magnetic levitation assembled type precisely-adjustable track structure so as to solve the problems of high manufacturing difficulty and high construction requirement of an integral track beam structure in the prior art. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: The utility model provides a but high-speed magnetic levitation assembled fine adjustment track structure, which comprises a base, cast-in-situ connection layer, the track board passes through cast-in-situ connection layer fixed connection to the base upper end, and the lower extreme of base sets up adjusting part, adjusting part is connected to on the lower part basic bearing structure, and be equipped with the filling hole on the track board, and be equipped with the second connecting rod on the track board, the second connecting rod extends to the filling downthehole, set up first connecting rod on the base, first connecting rod is located the base upper end, the second connecting rod is located the filling downthehole, first connecting rod, second connecting rod carries out on site ligature with cast-in-situ connection intra-layer reinforcing bar respectively, and the filling downthehole, base upper end and track board lower extreme are through pouring shaping cast-in-situ connection layer, the both sides of track board set up whole functional area. Further, the track plate and the base are of reinforced concrete prefabricated structures, and integral functional areas are respectively embedded at two ends of the track plate. Further, a plurality of supporting legs are arranged at the lower end of the base along the axial direction, an installation groove is formed in the upper end of each supporting leg, the periphery of the lower end of the base is installed in the installation groove, the base is connected with reinforcing steel bars in the supporting legs, the base and the supporting legs are prefabricated and poured into a whole, a steel plate is embedded at the lower end of each supporting leg, the adjusting parts are connected to the steel plate, and two ends of each supporting leg are respectively provided with an adjusting part. Further, the second connecting rib is a connection reinforcing structure of the track plate and the cast-in-situ connecting layer, the first connecting rib is arranged at the upper end of the base, and the first connecting rib is a connection reinforcing structure of the base and the cast-in-situ connecting layer. Further, the guide plate, the sliding plate and the stator are arranged in the integral functional area, the guide plate is positioned on two sides of the track plate, the sliding plate is positioned at the upper end of the track plate, the stator is mounted to the lower end of the track plate, and the guide plate, the sliding plate and the stator are respectively fixedly connected with the steel bars or embedded parts in the track plate. Furthermore, the reinforcing steel bar meshes are embedded in the cast-in-situ connecting layer and