CN113799821A

CN113799821A - Magnetic levitation vehicle and roof structure thereof

Info

Publication number: CN113799821A
Application number: CN202010705509.1A
Authority: CN
Inventors: 王晓梅; 崔玉萌; 王峰; 卢海超; 魏海洋; 王金明; 魏晓华; 任富争; 罗铁军
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-12-17
Anticipated expiration: 2040-07-21
Also published as: CN113799821B

Abstract

The invention relates to the technical field of magnetic suspension, in particular to a magnetic suspension vehicle and a top plate structure thereof. The middle top plate structure comprises a plurality of top plates and a plurality of transverse lamp strips; the top plates are sequentially arranged along the length direction of the magnetic levitation vehicle, and the transverse lamp strip is fixedly arranged between every two adjacent top plates; the top plate is of an integral structure; and the top surface of the top plate is provided with a mounting bracket for hoisting. This well roof structure is provided with horizontal lamp area at seam crossing, has improved the aesthetic feeling and the outward appearance effect of well roof structure.

Description

Magnetic levitation vehicle and roof structure thereof

Technical Field

The application relates to the technical field of magnetic suspension, in particular to a magnetic suspension vehicle and a top plate structure thereof.

Background

China has rapid development of high-speed rails, plays an important role in the world railway industry, and needs to be deeply researched in the field of medium-speed and high-speed magnetic levitation transportation and make strategic technical reserve. Magnetic levitation vehicles are rail vehicles that utilize the action of electromagnetic force to levitate a supported object from a stator.

The roof structure of the existing magnetic suspension vehicle is fixedly arranged on a vehicle body through a mounting bracket and generally comprises a middle roof structure and an edge roof structure; the middle top plate structure comprises a middle top plate made of an aluminum plate with the thickness of 2mm and a side top plate made of an aluminum profile; according to the requirements of ventilation and weight reduction of the air conditioner, holes are required to be formed in the lateral top plate; adopt linking bridge to connect between well roof and the side roof, reserve 1mm clearance between well roof and the side roof, then beat and glue floating treatment.

Well roof structure exposes the piece for inside, and is great to the outward appearance effect influence, reserves the natural seam of certain size between the roof in the roof structure in the current usually, leads to the not pleasing to the eye problem of outward appearance.

Disclosure of Invention

The embodiment of the application provides a magnetic levitation vehicle and roof structure among them, and this roof structure is provided with horizontal lamp area at seam crossing, has improved the aesthetic feeling and the outward appearance effect of roof structure among them.

According to a first aspect of embodiments of the present application, there is provided a mid-roof structure of a magnetic levitation vehicle, the mid-roof structure comprising a plurality of roofs and a plurality of transverse light strips;

the top plates are sequentially arranged along the length direction of the magnetic levitation vehicle, and the transverse lamp strip is fixedly arranged between every two adjacent top plates; the top plate is of an integral structure;

and the top surface of the top plate is provided with a mounting bracket for hoisting.

Preferably, the top plate is formed by compounding woven aluminum and an aluminum honeycomb, and the aluminum honeycomb is bonded to the top surface of the woven aluminum.

Preferably, the woven aluminum is a net structure woven by aluminum strips.

Preferably, along the length direction of the magnetic levitation vehicle, one end of the top plate is fixedly provided with a first end connecting piece, and the other end of the top plate is fixedly provided with a second end connecting piece; the first end connecting piece and the second end connecting piece are fixedly arranged on the top surface of the top plate;

the first end connecting piece and the second end connecting piece are connected in a lap joint mode, and a mounting groove for mounting the transverse lamp strip is formed between the first end connecting piece and the second end connecting piece;

the transverse lamp strip and the two top plates are installed in the installation groove in a sealing fit mode, and the top of the transverse lamp strip is fixedly connected to the first end connecting piece.

Preferably, the transverse light strip comprises a connecting profile, a light body and a buckle cover;

the connecting section bar is of a U-shaped structure with a downward opening, an installation space for accommodating the lamp body is formed inside the connecting section bar, and a convex edge abutting against the bottom surface of the top plate is arranged at the bottom of the connecting section bar;

the buckle cover is buckled on the opening of the connecting section bar and used for sealing the lamp body in the mounting space of the connecting section bar;

the top of the connecting profile is fixedly mounted to the first end connector.

Preferably, a plurality of snap nuts arranged at intervals in a width direction of the magnetic levitation vehicle are mounted on the first end connection member;

the top of the connecting section bar is provided with fastening pieces which are in one-to-one correspondence with the snap nuts, and the fastening pieces are in threaded fit with the corresponding snap nuts.

Preferably, a clamping spring is sleeved on the connecting section bar.

Preferably, the first end connector is a b-shaped connecting profile, and comprises a horizontal plate fixedly mounted on the top plate and a U-shaped profile fixedly connected with the horizontal plate;

the second end connecting piece is a right-angled plate and comprises a vertical plate and a transverse plate which are vertically arranged, and the transverse plate is fixedly arranged on the top plate;

the U-shaped section bar covers and buckles the outer periphery side of the vertical plate, and the mounting groove is formed between the U-shaped section bar and the vertical plate.

Preferably, the vertical plate is provided with foam with the thickness of 8-10 mm, and the foam is used for sealing a gap formed between the vertical plate and the U-shaped profile.

Preferably, the width of the mounting groove is 20mm to 40mm along the length direction of the magnetic levitation vehicle.

Preferably, the first end connector and the second end connector are connected to the top plate by adhesive bonding or riveting;

the top surface of the top plate is also fixedly connected with criss-cross reinforcing ribs;

and L-shaped sealing edges are arranged at two end parts of the top plate along the width direction of the magnetic suspension vehicle.

According to a second aspect of the embodiments of the present application, there is also provided a magnetic levitation vehicle comprising any one of the structures of the middle roof provided in the above technical solutions.

The magnetic suspension vehicle and the top plate structure thereof provided by the embodiment of the application have the following beneficial effects:

the middle top plate structure is hoisted on the vehicle roof through the mounting bracket on the top surface of the top plate, the top plate of the integral structure is adopted for replacing the middle top plate in the prior art, and a combined structure in the prior art is not needed, so that the middle top plate has a simple structure and a small number of parts; be provided with horizontal lamp area in the seam position of adjacent roof, can provide horizontal lighting demand for the car in through horizontal lamp area, simultaneously through the decorative effect in horizontal lamp area, can also improve the outward appearance effect of car interior trim for car interior trim aesthetic property is good, satisfies the ever-increasing pursuit to aesthetic feeling effect of passenger.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a roof of a magnetic levitation vehicle according to an embodiment of the present application;

FIG. 2 is a schematic partial structural view of the roof structure provided in FIG. 1;

FIG. 3 is a top view of the roof middle panel structure of FIG. 2;

FIG. 4 is a partially enlarged view of portion A of FIG. 3;

FIG. 5 is a partially enlarged view of the portion B in FIG. 3;

FIG. 6 is a partial enlarged view of the portion C in FIG. 3;

fig. 7 is a schematic cross-sectional view of the connection profile of the transverse light strip of fig. 4.

Reference numerals:

1-vehicle roof; 2-a middle roof structure; 3-edge roof construction;

21-a top plate; 22-a transverse light strip; 23-mounting a bracket; 24-a first end connection; 25-a second end connector; 26-mounting grooves; 27-a captive nut; 28-a fastener; 29-a clamp spring; 30-soaking cotton;

221-connecting profile; 222-a lamp body; 223-buckle cover; 2211-convex edge; 2212-opening; 241-horizontal plate; 242-U-shaped section bar; 251-a riser; 252-transverse plate.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The embodiment of the application provides a magnetic suspension vehicle and a roof structure 2 thereof, and as shown in the structure of fig. 1, the magnetic suspension vehicle comprises a vehicle body (not shown in the figure) and a roof 1, and a middle roof structure 2 and a side roof structure 3 are installed on the inner side of the roof 1. For a specific structure of the roof middle structure 2, reference is made to the following.

The middle roof structure 2 of a maglev vehicle comprises a plurality of roofs 21 and a plurality of transverse light strips 22; a plurality of top plates 21 are sequentially arranged along the length direction of the magnetic levitation vehicle, and a transverse lamp strip 22 is fixedly installed between every two adjacent top plates 21; the top plate 21 is of an integral structure; fig. 2 shows only the connection structure of two adjacent top boards 21, and the arrangement direction of the two top boards 21 in fig. 2 is the length direction or the traveling direction of the magnetic levitation vehicle; in each compartment, a plurality of roofs 21 of the embodiment of the present application may be included, and the actual number and positions of the roofs 21 may be determined according to actual conditions; a mounting bracket 23 for hoisting is mounted on the top surface of the top plate 21. As shown in fig. 1 and 3, a mounting bracket 23 is mounted on the top surface of the top plate 21, and the top plate 21 can be lifted to the roof 1 through the mounting bracket 23. Note that, in the present embodiment, the top surface of the roof panel 21 refers to a side surface of the roof panel 21 that faces the roof 1 when the roof panel 21 is mounted to the roof 1; the bottom surface of the roof panel 21 refers to a surface of the roof panel 21 on a side facing the floor in the vehicle compartment when the roof panel 21 is mounted to the roof 1.

The middle top plate structure 2 is hung on the roof 1 through the mounting bracket 23 on the top surface of the top plate 21, the middle top plate structure 2 adopts the top plate 21 with an integral structure to replace a middle top plate in the prior art, and a spliced middle top plate structure in the prior art is not needed, so that the middle top plate structure 2 is simple and the number of parts is small; be provided with horizontal lamp area 22 in the seam position of adjacent roof 21, can provide horizontal lighting demand for in the car through horizontal lamp area 22, simultaneously through the decorative effect in horizontal lamp area 22, can also improve the outward appearance effect of car interior trim for car interior trim aesthetic property is good, satisfies the increasingly pursuit to aesthetic effect of passenger.

In one embodiment, the top plate 21 is made of a composite of woven aluminum (not shown) and aluminum honeycomb (not shown) bonded to the top surface of the woven aluminum. The woven aluminum is a net structure woven by aluminum strips.

Because the woven aluminum is used as the bottom layer structure of the top plate 21 and the woven aluminum is of a net structure, a passenger can see a brand-new appearance form of the top plate 21, compared with the existing common top plate 21, the woven aluminum top plate 21 can cause visual impact on the passenger, a better visual effect is formed, and the riding comfort and the satisfaction of the passenger can be improved by weaving the aluminum top plate 21. Meanwhile, the top plate 21 is of a composite structure of woven aluminum and aluminum honeycombs, so that the weight is reduced by about 10% compared with the existing top plate structure.

Specifically, along the length direction of the magnetic levitation vehicle, one end of the top plate 21 is fixedly provided with a first end connecting piece 24, and the other end is fixedly provided with a second end connecting piece 25; the first end connector 24 and the second end connector 25 are both fixedly mounted on the top surface of the top plate 21; the first end connecting member 24 may be connected to the top plate 21 by an adhesive or rivet connection method, and the second end connecting member 25 may be connected to the top plate 21 by an adhesive or rivet connection method; the first end connector 24 and the second end connector 25 are connected in a lap joint manner, and a mounting groove 26 for mounting the transverse lamp strip 22 is formed between the first end connector 24 and the second end connector 25; as shown in the structures of fig. 3 and 4, a first end connector 24 and a second end connector 25 are respectively arranged at two ends of the top plate 21, since the top plates 21 have the same structure, two adjacent top plates 21 have the first end connector 24 and the second end connector 25 at the same time at the middle position, a mounting groove 26 for mounting the transverse light strip 22 is formed between the adjacent top plates 21 through the first end connector 24 and the second end connector 25 which are matched with each other, and the seam between the two adjacent top plates 21 is sealed through the first end connector 24 and the second end connector 25; the transverse light strip 22 is mounted in a sealing fit in the mounting groove 26 between the two top plates 21 and is fixedly connected to the first end connector 24 at the top. As shown in the structure of fig. 4, the transverse light strip 22 is installed between two adjacent top boards 21, and the seam between two adjacent top boards 21 is decorated and sealed by the transverse light strip 22, so that the requirement of transverse lighting in the vehicle can be solved under the condition of improving the decoration effect in the vehicle. The width of the mounting groove 26 along the length direction of the magnetic levitation vehicle can be 20mm to 40mm, such as: 20mm, 25mm, 30mm, 35mm, 40 mm.

Further, as shown in the structure of fig. 4 and 7, the transverse light strip 22 includes a connecting profile 221, a light body 222 and a buckle cover 223; the connecting section 221 is a U-shaped structure with an opening 2212 facing downward, an installation space for accommodating the lamp body 222 is formed inside, and a convex edge 2211 abutting against the bottom surface of the top plate 21 is arranged at the bottom; the fastening cover 223 is fastened on the opening 2212 of the connecting section bar 221 for sealing the lamp body 222 in the installation space of the connecting section bar 221; the top of the connecting profile 221 is fixedly mounted to the first end connector 24. The connecting section bar 221 is matched with the mounting groove 26 between the adjacent top plates 21, the buckle cover 223 is buckled on the connecting section bar 221, a mounting space for accommodating the lamp body 222 such as a light-emitting component is formed between the buckle cover 223 and the connecting section bar 221, and the buckle cover 223 needs to be made of a light-transmitting material, so that light emitted by the lamp body 222 can be emitted into a carriage through the buckle cover 223; the lamp body 222 may be various light sources capable of emitting light; meanwhile, in order to achieve the sealing effect of the top plate 21, the bottom end of the connecting section bar 221 is further provided with a convex edge 2211, and the convex edge 2211 is in contact sealing with the bottom surface of the top plate 21.

In order to facilitate the installation of the transverse light strip 22 between two adjacent top plates 21, as shown in the structure of fig. 4, a plurality of snap nuts 27 are installed on the first end connector 24 at intervals in the width direction of the magnetic levitation vehicle; the top of the connecting section 221 is provided with fasteners 28 corresponding to the snap nuts 27 one by one, and the fasteners 28 can be threaded parts such as bolts, screws and the like; the fasteners 28 are threadedly engaged with corresponding snap nuts 27. Along the width direction of magnetic levitation vehicle, can set up a plurality of bayonet nuts 27 at interval on first end connection 24, and bayonet nut 27 is fixed mounting on first end connection 24, and a plurality of bayonet nuts 27 can evenly distributed in the width direction of roof 21, and the quantity of setting of bayonet nut 27 can be 4 ~ 10, if: 4, 5, 6, 7, 8, 9, 10; the number of the fasteners 28 is one-to-one corresponding to the snap nuts 27, that is, the number of the fasteners 28 is the same as the number of the snap nuts 27, but the number of the fasteners 28 may be smaller than the number of the snap nuts 27 in a case where the fastening strength is satisfactory.

The transverse light strip 22 is mounted through the snap nut 27 and the fastener 28 which are in threaded fit, and the snap nut 27 can be pre-arranged on the first end connecting piece 24, so that the transverse light strip 22 can be mounted after the top plate 21 is assembled, and the transverse light strip 22 is mounted conveniently and flexibly.

In order to improve the stability and reliability of the connection between the transverse light strip 22 and the top plate 21, as shown in the structure of fig. 4, a clamp spring 29 is sleeved on the connecting profile 221, and the clamp spring 29 is sleeved on the outer peripheral side of the connecting profile 221 and is located between the first end connector 24 and the connecting profile 221.

As shown in the structure of fig. 6, the first end connector 24 is a b-type connecting profile 221, which includes a horizontal plate 241 fixedly mounted on the top plate 21 and a U-shaped profile 242 fixedly connected with the horizontal plate 241; as shown in the structure of fig. 5, the second end connector 25 is a right-angled plate, and includes a vertical plate 251 and a horizontal plate 252, the vertical plate 252 is fixedly mounted on the top plate 21, and an outer vertical surface of the vertical plate 251 is flush with an end surface of the top plate 21; as shown in the structure of fig. 4, the U-shaped profile 242 is fastened to the outer periphery of the riser 251, and a mounting groove 26 is formed between the U-shaped profile 242 of the first end connector 24 and the riser 251 of the second end connector 25.

The first end connecting piece 24 adopting the B-type connecting profile 221 is covered and buckled on the upper part of the second end connecting piece 25, the first end connecting piece 24 and the second end connecting piece 25 enclose a mounting groove 26 for accommodating the transverse lamp strip 22 between two adjacent top plates 21, the transverse lamp strip 22 is embedded into the mounting groove 26 through the connecting profile 221 and is hoisted to the first end connecting piece 24 through a fastener 28 at the top of the connecting profile 221, and the mounting and fixing of the transverse lamp strip 22 between the two top plates 21 are realized.

As shown in the structure of fig. 4, the vertical plate 251 of the second end connector 25 is provided with the foam 30, the foam 30 can be adhered to the vertical plate 251, and because the foam 30 has better compression performance, the gap between the U-shaped section 242 formed on the first end connector 24 and the vertical plate 251 of the second end connector 25 can be sealed by the foam 30, the thickness of the foam 30 can be 8mm to 10mm, and the thickness of the foam 30 can be 8mm, 9mm, 10 mm.

Because the vertical plate 251 is provided with the foam 30 with the thickness of 8 mm-10 mm, the foam 30 is clamped between the first end connecting piece 24 and the second end connecting piece 25, and a gap between the first end connecting piece 24 and the second end connecting piece 25 can be sealed through the foam 30, so that the sealing effect on two sides of the top plate 21 is improved; simultaneously, because bubble cotton 30 is flexible material, can be compressed, consequently, still be favorable to adjusting the fit-up gap between two roof 21 through bubble cotton 30, make things convenient for between the roof 21 or the assembly of horizontal lamp area 22, be favorable to reducing the assembly degree of difficulty to improve assembly efficiency.

In order to improve the structural strength and rigidity of the top plate 21, as shown in the structure of fig. 3, criss-cross reinforcing ribs (not shown in the figure) are fixedly connected to the top surface of the top plate 21, and the reinforcing ribs may include transverse reinforcing ribs extending in the width direction of the magnetic levitation vehicle and longitudinal reinforcing ribs extending in the length direction of the magnetic levitation vehicle; the top plate 21 is provided with L-shaped seals at both ends in the width direction of the magnetic levitation vehicle.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A middle top plate structure of a magnetic levitation vehicle is characterized by comprising a plurality of top plates and a plurality of transverse lamp belts;

2. The roof tile structure of claim 1 wherein said roof tile is a composite of woven aluminum and aluminum honeycomb, said aluminum honeycomb being bonded to a top surface of said woven aluminum.

3. The roof structure of claim 2, wherein the woven aluminum is a mesh structure woven from aluminum strips.

4. The middle roof plate structure according to claim 1, wherein a first end connector is fixedly mounted at one end of the roof plate, and a second end connector is fixedly mounted at the other end of the roof plate along the length direction of the magnetic levitation vehicle; the first end connecting piece and the second end connecting piece are fixedly arranged on the top surface of the top plate;

5. The roof structure of claim 4, wherein the transverse light strip comprises a connecting profile, a light body and a cover;

6. The mid-roof panel structure according to claim 5, wherein a plurality of snap nuts are mounted on the first end connection member at intervals in a width direction of the magnetic levitation vehicle;

7. The roof plate structure of claim 5, wherein a circlip is sleeved on the connecting profile.

8. The middle roof panel structure according to claim 4, wherein the first end connector is a B-type connecting profile comprising a horizontal plate fixedly mounted to the roof panel and a U-shaped profile fixedly connected to the horizontal plate;

9. The roof slab structure of claim 8, wherein foam having a thickness of 8mm to 10mm is mounted on the risers for sealing gaps formed between the risers and the U-shaped profiles.

10. The middle roof panel structure according to claim 4, wherein the width of the mounting groove is 20mm to 40mm in the length direction of the magnetic levitation vehicle.

11. The mid-ceiling structure according to any one of claims 4-10, wherein the first end connector and the second end connector are connected to the ceiling by an adhesive connection or a rivet connection;

12. A magnetic levitation vehicle comprising a roof middle panel structure according to any of claims 1-11.