CN217710121U - Rail bearing beam for magnetic suspension track - Google Patents

Abstract

The utility model discloses a support rail roof beam for magnetic levitation track, the lower part foundatin plate that upper portion track board and the site operation that obtains including the mill prefabrication obtained, upper portion track board becomes one whole through cast-in-place in its concrete layer between the two with the lower part foundatin plate. The utility model discloses a support rail roof beam divide into two-layerly, and the lower part is the lower part foundatin plate of support rail roof beam, and upper portion is the upper portion track board of support rail roof beam, and its two are connected through concrete layer, and upper portion track board is prefabricated in the mill and is obtained, can better guarantee superstructure's construction precision and quality, reduce the site work volume; its the two when connecting through concrete layer, can carry out last fine tuning operation to the installation of upper portion track board at the scene, the whole construction precision of assurance that can be better to the fine tuning process when the construction can temporarily be not considered in the site operation of lower part foundatin plate, very big increase the track and spread the rail progress, improve the construction progress.

Description

Rail bearing beam for magnetic suspension track

Technical Field

The utility model belongs to magnetism floats the traffic field, especially relates to a support rail roof beam.

Background

The existing track bearing beam of the magnetic levitation track is constructed on site, the track bearing beam is used as a track substructure, the requirement on the precision of the magnetic levitation track is high, the requirement on the installation precision of a contact rail embedded part is also high, the construction precision of the track bearing beam is difficult to guarantee in site construction, rework and other conditions are easy to occur, and the construction progress is greatly influenced by adopting the site construction process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide a do benefit to the orbital bearing rail roof beam that is used for magnetism suspension that improves construction precision and construction progress. In order to solve the technical problem, the utility model provides a technical scheme does:

a rail bearing beam for a magnetic suspension track comprises an upper track plate prefabricated in a factory and a lower foundation plate constructed on site, wherein the upper track plate and the lower foundation plate are connected into a whole through a concrete layer cast between the upper track plate and the lower foundation plate in a cast-in-place mode.

In the above-mentioned rail supporting beam, preferably, the concrete layer is a self-compacting concrete layer.

In the above-mentioned bearing rail roof beam, preferred, the top surface of lower part foundatin plate evenly is equipped with a plurality of convexes and keeps off the platform, be equipped with in the track board of upper portion a plurality of be used for with the convex keeps off platform assorted through-hole, the convex keeps off highly being equal to of platform the sum of the thickness on concrete layer and the height of upper portion track board. The convex baffle table can fix the upper track plate and prevent the track plate from sliding due to stress. In addition, the convex blocking platform can also facilitate the on-site butt joint construction of the upper track plate and the lower foundation plate.

In the above-mentioned rail bearing beam, preferably, an adjustment slit for adjusting a position of the upper rail plate after the upper rail plate is placed is provided between the through hole and the convex blocking platform. Through setting up above-mentioned adjustment seam and doing benefit to the fine adjustment operation in position after the upper portion track board is placed, be favorable to improving the installation operation precision of upper portion track board. After the installation is finished, the filling operation can be carried out by adjusting the seam.

In the above-mentioned rail bearing beam, preferably, the top surface of the upper rail plate is provided with a grouting hole penetrating through to the bottom surface. Through above-mentioned grout hole cast-in-place self-compaction concrete can be convenient for between upper portion track board and the lower part foundatin plate to realize being connected of upper portion track board and lower part foundatin plate.

In the above-mentioned support rail roof beam, it is preferred, pre-buried in the lower part foundatin plate is equipped with many perpendicular to the track direction's drain pipe, the drain pipe slope sets up, the drain pipe both ends are equipped with the filter screen. The drain pipe can be realized in the pre-buried PVC pipe in lower part foundatin plate, guarantees that the rail bearing roof beam basis drainage is smooth and easy, and the filter screen is installed at the drain pipe port, mainly prevents that debris from blockking up the wash port, influences the drainage. The inclination angle of the drain pipe can be 1 degree when the drain pipe is installed.

In the above-mentioned rail bearing beam, preferably, the contact rail embedded parts are embedded in the factory on both sides of the upper rail plate, and the rail bearing platform is preset on the top surface of the upper rail plate. The contact rail embedded parts and the bearing rail platform are embedded and prefabricated in a factory, and compared with field construction installation, the installation precision is improved, and the field construction workload is reduced.

The utility model discloses a support rail roof beam divide into two-layerly, and the lower part is the lower part foundatin plate of support rail roof beam, and upper portion is the upper portion track board of support rail roof beam, adopts self-compaction concrete to connect and pour between the upper and lower two-layer, and the lower part foundatin plate is the site operation preparation. The upper track plate is prefabricated for a factory, so that the construction precision and quality of the upper track plate are improved, and the construction progress is improved. The contact rail embedded parts and the rail bearing platform are pre-embedded and prefabricated according to the precision requirement when the rail plate is prefabricated in a factory, and the installation precision of related accessories is higher. The upper track plate is assembled with the lower foundation plate on site after being prefabricated in a factory, self-compacting concrete is adopted for pouring between the upper track plate and the lower foundation plate, the upper track plate can be subjected to final fine adjustment operation before the on-site pouring, and the construction precision of the track bearing beam is ensured.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a rail supporting beam is divided into two layers, and the lower part is the lower part foundatin plate of rail supporting beam, and upper portion is the upper portion track board of rail supporting beam, and its the two are connected through concrete layer, and upper portion track board is prefabricated in the mill and is obtained, can better guarantee superstructure's construction precision and quality, reduces the site operation volume; when the two are connected through a concrete layer, final fine adjustment operation can be carried out on the site on the installation of the upper track slab, the whole construction precision can be better guaranteed, and the fine adjustment process during construction can be temporarily not considered in the site construction of the lower foundation slab, so that the track laying progress is greatly increased, and the construction progress is improved.

2. The utility model discloses a support rail roof beam novel structure, construction quality is high, the precision is high, and the construction progress is fast, but wide application in magnetic levitation orbital construction process has wide market perspective.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view (a lower structure in the drawing) of the rail beam in the embodiment.

Fig. 2 isbase:Sub>A sectional view taken along the planebase:Sub>A-base:Sub>A in fig. 1.

Figure 3 is a top view of the upper track plate of the track support beam of an embodiment (the busbar embedment is not shown).

Illustration of the drawings:

1. an upper track plate; 2. a rail bearing platform; 3. a convex baffle table; 4. grouting holes; 5. a conductor rail embedded part; 6. a concrete layer; 7. a lower foundation plate; 8. a drain pipe; 9. and (5) filtering by using a filter screen.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by an existing method.

Example (b):

as shown in fig. 1 to fig. 3, the track supporting beam for a magnetic levitation track of the present embodiment includes an upper track plate 1 prefabricated in a factory and a lower foundation plate 7 constructed in a field, and the upper track plate 1 and the lower foundation plate 7 are connected into a whole by a concrete layer 6 cast between them.

Specifically, in this embodiment, the concrete layer 6 is a self-compacting concrete layer.

In this embodiment, the top surface of lower part foundatin plate 7 evenly is equipped with a plurality of convex fender platforms 3, is equipped with a plurality of through-holes that are used for keeping off platform 3 assorted with the convex in the upper portion track board 1, and the convex keeps off the high sum that equals the thickness of concrete layer 6 and upper portion track board 1 of platform 3.

In this embodiment, an adjustment slit for adjusting the position of the upper track plate 1 after being placed is provided between the through hole and the convex block 3.

In this embodiment, the top surface of the upper track plate 1 is provided with a grouting hole 4 penetrating through to the bottom surface.

In this embodiment, pre-buried drain pipe 8 that is equipped with many perpendicular to track direction in the lower part foundatin plate 7, 8 slopes of drain pipe set up, and 8 both ends of drain pipe are equipped with filter screen 9. In this embodiment, the drain pipe 8 may be a PVC pipe having an inclination angle of 1 degree.

In this embodiment, the contact rail embedded parts 5 are embedded in the factory on both sides of the upper track plate 1, and the rail bearing platform 2 is preset on the top surface of the upper track plate 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (7)

1. A track supporting beam for a magnetic suspension track is characterized by comprising an upper track plate (1) prefabricated in a factory and a lower foundation plate (7) constructed on site, wherein the upper track plate (1) and the lower foundation plate (7) are connected into a whole through a concrete layer (6) cast between the upper track plate and the lower foundation plate in a cast-in-place mode.

2. Support rail beam according to claim 1, characterized in that the concrete layer (6) is a self-compacting concrete layer.

3. The track-supporting beam according to claim 1, characterized in that the top surface of the lower base plate (7) is uniformly provided with a plurality of convex blocking platforms (3), the upper track plate (1) is provided with a plurality of through holes for matching with the convex blocking platforms (3), and the height of the convex blocking platforms (3) is equal to the sum of the thickness of the concrete layer (6) and the height of the upper track plate (1).

4. The rail bearing beam according to claim 3, characterized in that an adjusting seam for position adjustment after the upper track plate (1) is placed is provided between the through hole and the convex abutment (3).

5. The track support beam according to any one of claims 1 to 4, wherein the upper track plate (1) is provided with a grouting hole (4) penetrating through to the bottom surface at the top surface.

6. The support rail beam as claimed in any one of claims 1-4, wherein a plurality of drainage pipes (8) perpendicular to the rail direction are embedded in the lower foundation plate (7), the drainage pipes (8) are obliquely arranged, and two ends of each drainage pipe (8) are provided with filter screens (9).

7. The track supporting beam as claimed in any one of claims 1 to 4, wherein the two sides of the upper track plate (1) are embedded with contact rail embedded parts (5) in the factory, and the top surface of the upper track plate (1) is pre-provided with a track supporting platform (2).

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