阅读说明：本技术 一种磁浮轨道结构 (Magnetic levitation track structure ) 是由 罗建利 周文 陈兵生 张亚军 方永东 霍震杨 谢程儒 于 2021-09-15 设计创作，主要内容包括：本发明公开一种磁浮轨道结构,包括混凝土主体以及钢结构组件；所述钢结构组件包括上层钢板、下层钢板、连接板以及U形钢轨；本发明的钢结构组件采用模块化、通用化设计,对比预制板轨道梁,钢结构组件的安装和调整非常方便,制造工艺也非常简单,节省了制造安装的成本；在某段轨道出现故障时,可实现快速维修和更换；并且本发明采用了U形钢轨,大幅度减少了轨道成本、降低了组装难度、增加了维修性和整体性,磁浮轨道结构由混凝土主体和钢结构组件共同组成,钢结构组件使用大量的型材、板材,大幅度提升了经济性,同时不降低轨道结构的稳定性和安全性。(The invention discloses a magnetic suspension track structure, which comprises a concrete main body and a steel structure assembly; the steel structure component comprises an upper layer steel plate, a lower layer steel plate, a connecting plate and a U-shaped steel rail; the steel structure assembly adopts a modularized and universal design, and compared with a precast slab track beam, the installation and adjustment of the steel structure assembly are very convenient, the manufacturing process is also very simple, and the manufacturing and installation cost is saved; when a certain section of track has a fault, the quick maintenance and replacement can be realized; the U-shaped steel rail is adopted, the rail cost is greatly reduced, the assembly difficulty is reduced, and the maintainability and the integrity are improved.)

1. A magnetic suspension track structure is characterized by comprising a concrete main body (1) and a steel structure component (2);

the steel structure component (2) comprises an upper layer steel plate (2.1), a lower layer steel plate (2.2), a connecting plate (2.3) and a U-shaped steel rail (2.4); the upper steel plate (2.1) and the lower steel plate (2.2) are arranged in a stacked mode, and the upper steel plate (2.1) and the lower steel plate (2.2) are connected through a connecting plate (2.3); the U-shaped steel rail (2.4) is arranged on the lower layer steel plate (2.2); the lower steel plate (2.2) is arranged on the concrete body (1).

2. A magnetic levitation track structure as claimed in claim 1, wherein the concrete body (1) is provided with location pillars (1.1); and the steel structure component (2) is provided with a positioning hole matched with the positioning column (1.1).

3. The magnetic levitation track structure according to claim 1, characterized in that the steel structure assembly (2) comprises two sets of U-shaped rails (2.4), and the two sets of U-shaped rails (2.4) are symmetrically and detachably arranged on the lower steel plate (2.2) along the width direction of the magnetic levitation track.

4. A magnetic levitation track structure as claimed in claim 3, characterised in that the steel structural assembly (2) further comprises a height-adjusting shim and an induction plate (2.5); heightening gaskets are arranged on the upper steel plate (2.1), and the induction plate (2.5) is detachably arranged on the heightening gaskets.

5. The magnetic levitation track structure according to any one of claims 1-4, characterized in that the U-shaped steel rail (2.4) comprises a web (2.41) and two sets of pole plates (2.42); the two groups of polar plates (2.42) are connected with the web plate (2.41) through arc parts to form an inverted U shape.

6. The magnetic levitation track structure of claim 5, wherein the circular arc portion comprises a first circular arc portion and a second circular arc portion; one end of the first arc part is connected with one end of the second arc part, the other end of the first arc part is connected with the polar plate (2.42), and the other end of the second arc part is connected with the web plate (2.41); radius R of the first arc part₁Is 4-6 mm; radius R of the second arc part₂Is 14-16 mm.

7. A magnetic levitation track structure according to claim 5, characterized in that the web (2.41) has a thickness H₁Is 36-48 mm.

8. Magnetic levitation track structure according to claim 7, characterised in that the pole plate (2.42) has a thickness H₂Is 26-28 mm.

9. The magnetic levitation track structure according to claim 8, characterized in that the polar plate (2.42) has an angle θ of 83-89 ° with the horizontal plane, the angle θ being located inside the U-shaped rail.

10. A magnetic levitation track structure as recited in claim 9, wherein the H is₁Is 36 mm; said H₂Is 26 mm; the included angle theta is 83 degrees.

Technical Field

The invention relates to the field of magnetic levitation tracks, in particular to a magnetic levitation track structure.

Background

The magnetic suspension traffic system is different from a common railway in that a train is suspended through magnetic force, the train is not in direct contact with a track, and compared with the traditional railway traffic, the magnetic suspension traffic system eliminates the limitation of adhesive force between wheel track systems, so that the magnetic suspension traffic system is an energy-saving and environment-friendly traffic mode.

The problems of the existing magnetic suspension track structure are that: 1. the F-shaped rail is difficult to manufacture, the requirement on the machining precision is extremely high, and the assembly difficulty of the magnetic suspension rail is high; 2. the F-shaped steel rail is mounted in a cantilever manner, bears bending moment and affects the precision of the F-shaped steel rail after long-time operation; 3. the track beam is made of concrete completely, so that the cost is high and the maintenance is difficult.

In summary, there is a need for a magnetic levitation track structure to solve the problems of difficult manufacturing of F-shaped track, high assembling difficulty of magnetic levitation track and high manufacturing cost in the prior art.

Disclosure of Invention

The invention aims to provide a magnetic suspension track structure, which aims to solve the problems of difficult manufacturing of an F-shaped track, high assembling difficulty of a magnetic suspension track and high manufacturing cost in the prior art, and the specific technical scheme is as follows:

a magnetic suspension track structure comprises a concrete main body and a steel structure assembly; the steel structure component comprises an upper layer steel plate, a lower layer steel plate, a connecting plate and a U-shaped steel rail; the upper steel plate and the lower steel plate are arranged in a stacked mode and are connected through a connecting plate; the U-shaped steel rail is arranged on the lower layer steel plate; the lower steel plate is arranged on the concrete body.

According to the preferable technical scheme, the concrete main body is provided with a positioning column; and the steel structure component is provided with a positioning hole matched with the positioning column.

Above technical scheme is preferred, steel construction component includes two sets of U-shaped steel rails, and two sets of U-shaped steel rails can be dismantled the setting on lower floor's steel sheet along the width direction symmetry of magnetic levitation track.

Preferably, the steel structure assembly further comprises a height-adjusting gasket and an induction plate; heightening gaskets are arranged on the upper steel plate, and the induction plate is detachably arranged on the heightening gaskets.

Preferably, the U-shaped steel rail comprises a web plate and two groups of polar plates; the two groups of polar plates are connected with the web plate through the arc parts to form an inverted U-shaped shape.

Preferably, in the above technical solution, the arc portion includes a first arc portion and a second arc portion; one end of the first arc part is connected with one end of the second arc part, the other end of the first arc part is connected with the polar plate, and the other end of the second arc part is connected with the web plate; radius R of the first arc part₁Is 4-6 mm; radius R of the second arc part₂Is 14-16 mm.

Preferably, the web has a thickness H₁Is 36-48 mm.

Preferably, the thickness of the plate is H₂Is 26-28 mm.

Preferably, in the technical scheme, the included angle theta between the polar plate and the horizontal plane is 83-89 degrees, and the included angle theta is positioned on the inner side of the U-shaped steel rail.

Preferably, said H is₁Is 36 mm; said H₂Is 26 mm; the included angle theta is 83 degrees.

The technical scheme of the invention has the following beneficial effects:

(1) the magnetic suspension track structure comprises a concrete main body and a steel structure assembly; the steel structure component comprises an upper layer steel plate, a lower layer steel plate, a connecting plate and a U-shaped steel rail; the steel structure assembly adopts a modularized and universal design, and compared with a precast slab track beam, the installation and adjustment of the steel structure assembly are very convenient, the manufacturing process is also very simple, and the manufacturing and installation cost is saved; when a certain section of track has a fault, the quick maintenance and replacement can be realized; the U-shaped steel rail is adopted, the rail cost is greatly reduced, the assembly difficulty is reduced, and the maintainability and the integrity are improved.

(2) The concrete main body is provided with a positioning column; be equipped with the locating hole that matches with the reference column on the steel construction component, through locating hole and reference column cooperation, the fast assembly of being convenient for guarantees stable in structure simultaneously.

(3) The two groups of U-shaped steel rails are symmetrically and detachably arranged on the lower layer of steel plate, the U-shaped steel rails can be conveniently and quickly assembled and disassembled through the detachable arrangement, for example, the U-shaped steel rails are connected through bolts, and a working space can be reserved for the bolts due to the fact that the connecting plate is arranged between the upper layer of steel plate and the lower layer of steel plate.

(4) The steel structure component also comprises a height-adjusting gasket and an induction plate; the induction plate can be detachably connected to the heightening gasket, so that the induction plate is convenient to assemble and replace quickly.

(5) Two adjacent groups of steel structure components are connected through a connecting piece, so that the structural stability can be ensured.

(6) The U-shaped steel rail comprises a web plate and two groups of polar plates; two sets of polar plates all are connected through arc portion and web, form the shape of falling U, and the arc portion is convenient for U-shaped steel rail's manufacturing, can reduce the processing degree of difficulty.

(7) The arc part comprises a first arc part and a second arc part, wherein the radius R of the first arc part₁Is 4-6 mm; radius R of the second arc part₂Is 14-16mm, and is convenient for processing and manufacturing.

(8) Thickness H of web of the invention₁Is 36-48mm, and the thickness H of the plate₂The angle theta between the polar plate and the horizontal plane is 83-89 degrees, and the guiding force and the suspension force can be obviously improved by optimizing the U-shaped steel rail.

(9) The steel structure assembly adopts a modularized and universal design, can realize field assembly on a construction site, does not need to be integrally transported and installed after being assembled when leaving a factory, greatly reduces the difficulty of hoisting, transporting and installing, is adjustable in field installation, and can avoid the problem of serious short wave irregularity of a rail surface.

(10) The steel structure assembly replaces a prefabricated plate, so that the cost can be greatly saved.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic cross-sectional view of a magnetic levitation track structure of this embodiment 1;

FIG. 2 is a schematic structural diagram of the magnetic levitation track structure of FIG. 1;

FIG. 3 is a schematic structural view of the U-shaped rail of FIG. 1;

wherein, 1, concrete body; 1.1, a positioning column; 2. a steel structural component; 2.1, an upper steel plate; 2.2, a lower steel plate; 2.3, connecting plates; 2.4, U-shaped steel rails; 2.41, webs; 2.42, a polar plate; 2.5, an induction plate; 2.6, mounting a platform.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

a magnetic levitation track structure comprises a concrete main body 1 and a steel structure component 2, as shown in figures 1-3, the structure is as follows:

as shown in fig. 2, the concrete main body 1 is provided with a through groove along the length direction of the magnetic levitation track, so that the cost is reduced, a plurality of groups of positioning columns 1.1 are arranged on the top surface of the concrete main body 1 at equal intervals along the length direction of the magnetic levitation track, and the positioning columns 1.1 are used for positioning and installing the steel structure assembly 2.

As shown in fig. 2, there are multiple sets of the steel structure assemblies 2, and the multiple sets of the steel structure assemblies 2 are arranged on the top surface of the concrete main body 1 along the length direction of the magnetic levitation track;

as shown in fig. 1, the steel structure assembly 2 comprises an upper layer steel plate 2.1, a lower layer steel plate 2.2, a connecting plate 2.3, two groups of U-shaped steel rails 2.4, two groups of height-adjusting gaskets, two groups of induction plates 2.5 and a mounting table 2.6; upper steel sheet 2.1 and lower floor's steel sheet 2.2 are along vertical range upon range of setting, and connect through multiunit connecting plate 2.3 between upper steel sheet 2.1 and the lower floor's steel sheet 2.2 (both ends welding upper steel sheet 2.1 and lower floor's steel sheet 2.2 about preferred connecting plate 2.3).

As shown in fig. 1, the mounting table 2.6 is arranged on the top surface of the concrete body 1, and the lower steel plate 2.2 is arranged on the mounting table 2.6; the mounting table 2.6, the upper steel plate 2.1 and the lower steel plate 2.2 are vertically provided with through positioning holes, and the positioning columns 1.1 on the top surface of the concrete main body 1 penetrate through the positioning holes of the mounting table 2.6, the upper steel plate 2.1 and the lower steel plate 2.2, so that the steel structure component 2 is positioned and mounted on the top surface of the concrete main body 1.

Preferably, as shown in fig. 2, along the length direction of the magnetic levitation track, two adjacent sets of steel structure assemblies 2 are connected by a connecting member (a connecting member is not labeled), specifically, two adjacent sets of upper steel plates 2.1 and two adjacent sets of lower steel plates 2.2 are connected by a connecting member, where the connecting member refers to an existing structure, such as a connection joint.

As shown in fig. 1, two groups of U-shaped steel rails 2.4 are symmetrically installed on two sides of the lower steel plate 2.2 along the width direction of the track, specifically, the U-shaped steel rails 2.4 are installed at the lower end of the lower steel plate 2.2 in an inverted manner through bolts.

As shown in fig. 1, it is two sets of heightening gasket sets up in the upper end of upper steel sheet 2.1 along orbital width direction symmetry, and two sets of tablet 2.5 (preferred aluminium tablet) correspond the upper end that sets up at two sets of heightening gaskets respectively, specifically tablet 2.5 can dismantle the connection in the upper end of heightening gasket, can dismantle the mode of connection like screwed connection.

Preferably, as shown in fig. 3, the U-shaped steel rail 2.4 includes a web 2.41 and two sets of pole plates 2.42; two groups of polar plates 2.42 are connected with the web plate 2.41 through arc parts to form a U-shaped (inverted U-shaped) shape, and the U-shaped steel rails 2.4 are in a bilateral symmetry structure.

As shown in fig. 3, the circular arc portion includes a first circular arc portion and a second circular arc portion; one end of the first arc part is connected with one end of the second arc part, the other end of the first arc part is connected with the polar plate 2.42, and the other end of the second arc part is connected with the web plate 2.41; radius R of the first arc part₁Is 4-6mm, preferably R₁Is 5 mm; radius R of the second arc part₂Is 14-16mm, preferably R₂Is 15 mm.

Preferably, the thickness H of the web 2.41 is as shown in figure 3₁Is 36-48mm, and the preferred material in this embodiment is H₁Is 36mm.

Preferably, the plate 2.42 has a thickness H, as shown in fig. 3₂Is 26-28mm, and H is preferred in the embodiment₂Is 26 mm.

Preferably, as shown in fig. 3, the included angle θ between the pole plate 2.42 and the horizontal plane is 83-89 °, and the included angle θ is located inside the U-shaped steel rail, and preferably, the included angle θ is 83 °.

Example 2:

example 2 differs from example 1 in that: thickness H of web₁Is 40 mm.

Example 3:

example 3 differs from example 1 in that: thickness H of web₁Is 44 mm.

Example 4:

example 4 differs from example 1 in that: thickness H of web₁Is 48 mm.

Example 5:

example 5 differs from example 1 in that: thickness H of the plate₂Is 28 mm.

Example 6:

example 6 differs from example 1 in that: the included angle theta is 86 DEG

Example 7:

example 7 differs from example 1 in that: the included angle theta is 89 DEG

Comparative example 1:

comparative example 1 differs from example 1 in that: thickness H of web₁Is 28 mm.

Comparative example 2:

comparative example 2 differs from example 1 in that: thickness H of web₁Is 32 mm.

Comparative example 3:

comparative example 3 differs from example 1 in that: thickness H of the plate₂Is 20 mm.

Comparative example 4:

comparative example 4 differs from example 1 in that: thickness H of the plate₂Is 22 mm.

Comparative example 5:

comparative example 5 differs from example 1 in that: thickness H of the plate₂Is 24 mm.

Comparative example 6:

comparative example 6 differs from example 1 in that: thickness H of the plate₂Is 30 mm.

Comparative example 7:

comparative example 7 differs from example 1 in that: thickness H of the plate₂Is 32 mm.

Comparative example 8:

comparative example 8 differs from example 1 in that: thickness H of the plate₂Is 34 mm.

Comparative example 9:

comparative example 9 differs from example 1 in that: the included angle theta is 74 deg..

Comparative example 10:

comparative example 10 differs from example 1 in that: the included angle theta is 77 DEG

Comparative example 11:

comparative example 11 differs from example 1 in that: the included angle theta is 80 deg..

Comparative example 12:

comparative example 12 differs from example 1 in that: the included angle theta is 90 deg..

TABLE 1 comparison of different web thicknesses

As can be seen from Table 1 above, when the web thickness H is₁At 36-48mm, the corresponding guide force is larger than that of other web thicknesses, and the embodiment 1 is preferably H₁The diameter is 36mm, the manufacturing cost can be reduced (the suspension force can meet the load standard when being more than 28kN, the guide force is generated when the center line of the train deviates from the center of the track, the larger the maximum guide force is, the larger the deviation displacement is, and the stronger the resetting capability is).

TABLE 2 comparison of different plate thicknesses

As can be seen from Table 2, the plate thickness H₂The guiding force at 26-28mm is larger than that of other pole plate thicknesses, and the preferred H in the embodiment 1₂Is 26mm, and can effectively reduce the manufacturing cost.

TABLE 3 comparison of different angles theta

Group of	Angle theta (Unit degree)	Guiding force (Unit kN)	Suspending power (unit kN)
				Comparative example 9	74	5.42	38.03
Comparative example 10	77	5.42	37.92
				Comparative example 11	80	5.42	37.81
Example 1	83	5.44	37.68
				Example 6	86	5.43	37.54
Example 7	89	5.43	37.38
				Comparative example 12	90	5.42	37.32

As can be seen from Table 3, the guiding force is greater for the included angles θ of 83-89 than for the other included angles, and is greatest for the included angle θ of 83.

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.