CN219948189U - Rail vehicle and floor thereof - Google Patents

Abstract

The utility model discloses a railway vehicle and a floor thereof, wherein the floor comprises a plurality of spliced plate bodies which are spliced with each other, each spliced plate body comprises an upper panel, a lower panel and a middle plate, the middle plate is bent in a wavy manner to form a plurality of isosceles trapezoid cavities which are connected in sequence, and any two adjacent isosceles trapezoid cavities are arranged in an inverted manner; adjacent oblique sides of any two adjacent isosceles trapezoid cavities are overlapped to form a reinforcing rib for supporting the upper panel and the lower panel; any isosceles trapezoid cavity is filled with a noise reduction block, the noise reduction block is in an isosceles trapezoid shape, each isosceles trapezoid cavity is guaranteed to be completely filled with the noise reduction block, the floor has good compression resistance, noise transmitted to the upper panel is reduced, and the sound absorption effect of the floor in the vehicle is effectively improved.

Description

Rail vehicle and floor thereof

Technical Field

The utility model relates to the technical field of rail transit, in particular to a rail vehicle and a floor thereof.

Background

With the continuous improvement of the running speed of rail transit vehicles, the noise problem of the rail transit vehicles becomes serious, the rail transit vehicles not only affect the riding comfort of people, but also bring annoyance feeling and tired feeling to the bodies of passengers due to high-intensity noise, and even damage to the hearing of people due to long-time noise. Therefore, controlling noise in rail transit vehicles has become an urgent problem to be solved.

The automobile body floor of current rail vehicle includes upper plate, hypoplastron and buckled plate, and the buckled plate is located between upper plate and the hypoplastron, and the recess intussuseption of buckled plate is filled with the material of making an uproar, however, receives the groove structure restriction of buckled plate, and the setting of the material of making an uproar falls is unreasonable, still noise passes the upper plate along with the buckled plate, leads to the sound absorption effect of noise relatively poor in the car.

Disclosure of Invention

Therefore, the utility model aims to provide the railway vehicle and the floor thereof, wherein the middle plate is bent in a wavy manner to form a plurality of isosceles trapezoid cavities which are completely filled by the noise reduction blocks, so that the sound absorption effect of the floor in the vehicle is improved.

The floor of the railway vehicle comprises a plurality of spliced plate bodies which are spliced with each other, wherein each spliced plate body comprises an upper panel, a lower panel and a middle plate, the middle plate is bent in a wavy manner to form a plurality of isosceles trapezoid cavities which are connected in sequence, and any two adjacent isosceles trapezoid cavities are arranged in an inverted manner; adjacent oblique sides of any two adjacent isosceles trapezoid cavities are overlapped to form a reinforcing rib for supporting the upper panel and the lower panel; any isosceles trapezoid cavity is filled with a noise reduction block, and the noise reduction block is in an isosceles trapezoid shape.

Preferably, the upper panel, the lower panel and the middle panel are all carbon fiber boards.

Preferably, the thickness of the reinforcing ribs on both sides of the splice plate body is greater than the thickness of the rest of the reinforcing ribs in the splice plate body.

Preferably, each splice plate body further comprises a pre-buried supporting seat embedded and fixed in the noise reduction block.

Preferably, the periphery of the pre-buried supporting seat is wrapped with an adhesive film fixing layer.

Preferably, the side edge of each splice plate body is provided with a lap joint flanging which is used for being in lap joint connection with the vehicle body.

Preferably, the lap-joint flanges are integrally arranged.

Preferably, each splice plate body further comprises a left side plate and a right side plate which are arranged between the upper panel and the lower panel, and the left side plate, the upper panel, the right side plate and the lower panel are integrally connected and are enclosed into a closed annular structure.

Preferably, the bottom of each splice plate body is fixedly provided with a connecting supporting plate for connecting the floor of the vehicle body, and the connecting supporting plate is of an L-shaped structure.

The utility model provides a rail vehicle comprising a floor as defined in any one of the preceding claims.

Compared with the background art, the floor of the railway vehicle comprises a plurality of spliced plate bodies which are spliced with each other, the middle plate of each spliced plate body is bent in a wavy manner to form a plurality of isosceles trapezoid cavities, the upper panel and the lower panel are fixedly connected through all isosceles trapezoid cavities, and adjacent oblique sides of any two adjacent isosceles trapezoid cavities are overlapped to form a reinforcing rib, so that good strength and rigidity support is provided between the upper panel and the lower panel. Any isosceles trapezoid cavity is filled with a noise reduction block, the noise reduction block is in an isosceles trapezoid shape, each isosceles trapezoid cavity is guaranteed to be completely filled with the noise reduction block, the floor has good compression resistance, noise transmitted to the upper panel is reduced, and the sound absorption effect of the floor in the vehicle is effectively improved.

The rail vehicle provided by the utility model comprises the floor and has the same beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of a floor of a railway vehicle according to an embodiment of the present utility model;

FIG. 2 is a block diagram of the middle floor of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a sectional view taken along the direction B-B in fig. 2.

The reference numerals are as follows:

1-splice plate body, 11-middle floor, 111-upper panel, 112-lower panel, 113-middle panel, 114-reinforcing rib, 115-noise reduction block, 116-pre-buried supporting seat, 117-overlap flanging, 118-connection supporting plate, 12-front end floor and 13-rear end floor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that those skilled in the art will better understand the present utility model, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a floor of a railway vehicle, which comprises a plurality of spliced plate bodies 1 which are spliced with each other, as shown in figures 1 to 4, and the floor is convenient to assemble and beneficial to shortening the assembly time. The splice plate body 1 may be divided into blocks according to a vehicle anti-roll torsion bar, and specifically may be divided into a middle floor 11, and a front floor 12 and a rear floor 13 provided at both ends of the middle floor 11, respectively.

Each splice plate body 1 includes an upper panel 111, a lower panel 112, and an intermediate panel 113, the upper panel 111 being parallel to the lower panel 112, the intermediate panel 113 being located between the upper panel 111 and the lower panel 112. The middle plate 113 is bent in a wavy manner to form a plurality of isosceles trapezoid cavities, and all isosceles trapezoid cavities are distributed along a line and are connected in sequence. Any two isosceles trapezoid cavities connected are arranged upside down, namely the narrow sides of all isosceles trapezoid cavities are alternately fixedly connected with the upper panel 111 and the lower panel 112, and the upper panel 111 and the lower panel 112 are fixedly connected through all isosceles trapezoid cavities.

Adjacent hypotenuses of any two adjacent isosceles trapezoid cavities overlap to form a stiffener 114 that provides good strength and rigidity support between the upper panel 111 and the lower panel 112. The inclination angle and thickness of the reinforcing ribs 114 are not particularly limited herein, and are required to satisfy the requirements of sound insulation, noise reduction and local reinforcement.

Any isosceles trapezoid cavity is filled with a noise reduction block 115, the noise reduction block 115 is in an isosceles trapezoid shape, each isosceles trapezoid cavity is guaranteed to be completely filled with the noise reduction block 115, the floor is enabled to have good compression resistance, noise transmitted to the upper panel 111 is reduced, and the sound absorption effect of the floor in the vehicle is effectively improved.

The noise reduction block 115 may be, but not limited to, noise reduction foam in particular.

The upper panel 111, the lower panel 112 and the middle panel 113 are all carbon fiber boards, so that each splice plate body 1 has good weight reduction effect, and the running requirement of a vehicle is met.

The thickness of the reinforcing ribs 114 positioned at the two sides of the splice plate body 1 is larger than the thickness of the rest reinforcing ribs 114 in the splice plate body 1, so that the bearing capacity of the reinforcing ribs 114 at the two sides of the splice plate body 1 is stronger, and the splice plate body 1 has good bending deformation resistance on the premise of meeting the light weight.

Each splice plate body 1 further comprises an embedded supporting seat 116 embedded and fixed on the noise reduction block 115, and the embedded supporting seat is used for installing built-in equipment such as an air conditioner cabinet or a signal cabinet. The pre-buried support 116 can be flexibly arranged to meet the installation requirements of the built-in equipment at different positions. The noise reduction block 115 is provided with a groove, and the embedded support seat 116 is arranged in the groove. The periphery of the pre-buried support seat 116 is wrapped with a glue film fixing layer, so that the pre-buried support seat 116 is fixed in the groove of the noise reduction block 115.

The side of each splice plate body 1 is provided with a lap joint flanging 117 which is used for being connected with the car body in a lap joint manner, so that the assembly is convenient. The lap joint flange 117 is integrally arranged, and can be specifically arranged around the splice plate body 1 and lapped on other parts of the body.

Each splice plate body 1 further comprises a left side plate and a right side plate which are arranged between the upper panel 111 and the lower panel 112, the left side plate, the upper panel 111, the right side plate and the lower panel 112 are connected end to end, and the four splice plates are integrally connected and enclose a closed annular structure, and the annular structure is particularly rectangular.

A connecting supporting plate 118 is fixedly arranged at the bottom of each splice plate body 1 and is used for connecting a vehicle body floor. The connecting supporting plate 118 is of an L-shaped structure, is suitable for the arrangement mode of the vehicle body floor and the splice plate body 1, and is better connected with the vehicle body floor and the splice plate body 1. The connection pallet 118 and the splice plate body 1 may be connected by riveting using an anchor, however, it is also possible to use glue or screw connection, which is not particularly limited herein.

The utility model also discloses a railway vehicle which comprises the floor and has the same beneficial effects.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The floor of the railway vehicle is characterized by comprising a plurality of spliced plate bodies (1) which are spliced with each other, wherein each spliced plate body (1) comprises an upper panel (111), a lower panel (112) and a middle plate (113), the middle plates (113) are bent in a wavy manner to form a plurality of isosceles trapezoid cavities which are connected in sequence, and any two adjacent isosceles trapezoid cavities are arranged in an inverted manner; adjacent oblique sides of any two adjacent isosceles trapezoid cavities are overlapped to form a reinforcing rib (114) for supporting the upper panel (111) and the lower panel (112); any isosceles trapezoid cavity is filled with a noise reduction block (115), and the noise reduction block (115) is in an isosceles trapezoid shape.

2. The floor of a rail vehicle according to claim 1, characterized in that the upper panel (111), the lower panel (112) and the intermediate panel (113) are all carbon fibre plates.

3. -floor panel for a rail vehicle according to claim 1, characterized in that the thickness of the stiffening ribs (114) on both sides of the splice plate body (1) is greater than the thickness of the remaining stiffening ribs (114) in the splice plate body (1).

4. -floor panel for a rail vehicle according to any of the claims 1 to 3, characterized in that each of the splice plate bodies (1) also comprises pre-buried support seats (116) which are embedded in the noise reduction blocks (115).

5. The floor of a rail vehicle of claim 4, wherein the pre-buried support (116) is peripherally wrapped with a film fixing layer.

6. -floor panel for a rail vehicle according to any of the claims 1 to 3, characterized in that the side edges of each of the splice plate bodies (1) are provided with a lap flange (117) for lap connection with the vehicle body.

7. -floor panel for a rail vehicle according to claim 6, characterized in that the lap flanges (117) are provided in one piece.

8. A floor for a rail vehicle according to any one of claims 1-3, characterized in that each splice plate body (1) further comprises a left side plate and a right side plate arranged between the upper panel (111) and the lower panel (112), the left side plate, the upper panel (111), the right side plate and the lower panel (112) being integrally connected and enclosing a closed ring-like structure.

9. -floor panel for a rail vehicle according to any of the claims 1 to 3, characterized in that the bottom of each splice plate body (1) is fixedly provided with a connection pallet (118) for connecting the floor panels of the vehicle body, said connection pallet (118) being of L-shaped construction.

10. A rail vehicle, characterized by comprising a floor according to any one of claims 1 to 9.