CN210707388U

CN210707388U - Magnetic levitation vehicle and lower apron structure thereof

Info

Publication number: CN210707388U
Application number: CN201921270126.5U
Authority: CN
Inventors: 杨航; 王志俊; 王峰; 庄润雨; 张福李; 石磊
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a rail vehicle technical field specifically, relates to a magnetic levitation vehicle and car apron structure down thereof. The lower apron plate structure comprises an apron plate mounting seat and an apron plate; the top of the apron board mounting seat is provided with a connecting structure for fixedly connecting with a vehicle body, and the bottom of the apron board mounting seat is provided with a lock seat; the skirtboard adopts aluminium alloy one-time extrusion, the top rotate connect in the top of skirtboard mount pad, the bottom be provided with the skirtboard lock that the lock seat corresponds. This car lower apron structure adopts the skirtboard mount pad to replace current support locking seat and hinge mount pad, has simplified assembly process to the skirtboard that adopts one extrusion's skirtboard to replace current glass steel sandwich structure, and then has simplified the structure, and is favorable to realizing lightweight design.

Description

Magnetic levitation vehicle and lower apron structure thereof

Technical Field

The application relates to the technical field of railway vehicles, in particular to a magnetic levitation vehicle and a lower apron structure thereof.

Background

With the continuous development of new rail transit trains in China, the magnetic suspension train technology is also continuously developed and matured and gradually enters the daily life of people. The magnetic suspension vehicle has the advantages of no wheel-rail friction, noise reduction, vibration reduction, stable and comfortable operation and the like through the suspension technology, and has a wider development prospect in the rail transit industry. The most critical parts in the magnetic suspension train, such as the suspension controller, are positioned below the train, and compared with the traditional bogie, the suspension controller of the magnetic suspension train and other equipment are more precise and weaker, and the train is hit and collided with the equipment below the train by stones, sand storm, other sundries and the like during running, so that the running safety of the train is seriously endangered. Protection of the equipment under the vehicle is therefore also important.

The under-vehicle skirt plate plays the most main role in protection, and meanwhile, under-vehicle equipment can be prevented from being exposed, so that the under-vehicle skirt plate plays a role in attractiveness; secondly, the bogie area is great in noise due to the operation of equipment such as a motor and a gear box, and the noise reduction effect outside the vehicle can be achieved by installing the skirtboard in the bogie area, so that the noise index outside the vehicle is met.

The apron board used by the existing medium-low speed maglev train is of a glass fiber reinforced plastic sandwich structure, and is arranged on a train body through a support locking seat and a hinge mounting seat which are independently arranged, so that the mounting fixed points of the apron board are dispersed; in order to improve the integral rigidity of the skirtboard, transverse ribs and vertical ribs are added on the inner side of the skirtboard, so that the skirtboard can adapt to the vibration of vehicle operation without deformation.

Adopt above-mentioned skirtboard and mounting structure, lead to current skirtboard to have the problem that the structure is complicated and assembly process is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a magnetic levitation vehicle and apron structure under car thereof, and this apron structure under car has adopted the apron mount pad to replace current support locking seat and hinge mount pad, has simplified assembly process to the apron that adopts extrusion's apron to replace current glass steel sandwich structure, and then has simplified the structure, and is favorable to realizing the lightweight design.

According to a first aspect of embodiments of the present application, there is provided an under-vehicle apron structure, comprising an apron mounting seat and an apron, wherein:

the top of the apron board mounting seat is provided with a connecting structure for fixedly connecting with a vehicle body, and the bottom of the apron board mounting seat is provided with a lock seat;

the apron board is formed by one-time extrusion of aluminum profiles, the top of the apron board is rotationally connected to the top of the apron board mounting seat, and the bottom of the apron board is provided with an apron board lock corresponding to the lock seat;

the skirt board lock has an opening state and a locking state, when the skirt board lock is in the locking state, a lock tongue of the skirt board lock is positioned on one side of the lock seat, which is far away from the skirt board, and the skirt board is relatively fixed with the skirt board mounting seat; when the apron board lock is in an open state, the lock tongue is positioned outside the projection of the apron board mounting seat on the apron board, and the apron board can rotate around the apron board mounting seat relatively.

Preferably, the pneumatic skirting board further comprises a pneumatic supporting rod, wherein one end of the pneumatic supporting rod is hinged to the skirting board mounting seat, and the other end of the pneumatic supporting rod is hinged to the bottom of the skirting board.

Preferably, the apron board mounting seat comprises a supporting plate, a fixing plate, a reinforcing rib and a hinge, wherein:

the supporting plate is arranged along the vertical direction;

the fixing plate is arranged at the top of the supporting plate and is provided with a fixing plate through hole for penetrating a fastener, and the fixing plate through hole forms the connecting structure;

the hinge and the fixing plate are oppositely arranged at the top of the supporting plate;

the reinforcing rib is arranged on one side, away from the apron board, of the supporting plate, and the top of the reinforcing rib is fixedly connected with the bottom surface of the fixing plate;

the reinforcing rib is fixedly connected with the supporting plate and the fixing plate, and reinforcing rib through holes used for penetrating fasteners are formed in the reinforcing ribs.

Preferably, the apron board is of a long strip-shaped plate-shaped structure; the top of the apron board is provided with a C-shaped groove corresponding to the hinge, and the surface of one side of the apron board facing the apron board mounting seat is provided with a sliding groove extending along the length direction of the apron board;

pin shafts are inserted into the corresponding C-shaped grooves and the corresponding hinges;

one end of the pneumatic support rod is arranged on the reinforcing rib through a fastener penetrating through the through hole of the reinforcing rib, and the other end of the pneumatic support rod is arranged on the apron board through a sliding block arranged in the sliding groove in a sliding mode.

Preferably, the top and bottom edges of the skirt are each drop-shaped in cross-section.

Preferably, the fixing plate and the supporting plate are of an integrally formed structure.

Preferably, the skirt board is provided with a plurality of angle aluminums extending in a vertical direction at a side surface facing the skirt board mounting seat.

Preferably, the chute is a T-shaped slot and is formed by two oppositely disposed angle aluminums integrally formed on the skirt.

Preferably, the skirt plate lock is a quadrangular lock made of stainless steel.

In addition, this application embodiment still provides a magnetic levitation vehicle, including the automobile body, still include any one car lower apron structure that above-mentioned technical scheme provided, the apron mount pad of car lower apron structure through the connection structure fixed mounting at top in the automobile body.

Adopt magnetic levitation vehicle and car lower skirt plate structure that provides in this application embodiment, have following beneficial effect:

when the magnetic suspension vehicle adopts the lower apron plate structure, the apron plate mounting seat is adopted to replace a support locking seat and a hinge mounting seat for mounting the apron plate in the prior art, and the apron plate is only required to be mounted on the apron plate mounting seat, so that the number of parts is reduced, and the assembly process is simplified; the apron plate adopting one-time extrusion molding replaces the apron plate of the existing glass fiber reinforced plastic sandwich structure, and the aluminum alloy profile is adopted for one-time extrusion molding, so that the structure of the apron plate is simplified, the production efficiency is improved, and the lightweight design of the magnetic suspension vehicle is favorably realized.

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 perspective view of a lower skirt plate structure of a vehicle according to an embodiment of the present disclosure;

FIG. 2 is a schematic perspective view of a skirt panel mounting seat of the under-vehicle skirt panel structure provided in FIG. 1;

FIG. 3 is a schematic view of an end portion of a skirt panel of the under-vehicle skirt panel arrangement provided in FIG. 1;

FIG. 4 is an enlarged partial schematic view of portion A of the under-vehicle skirt panel structure provided in FIG. 1;

FIG. 5 is an enlarged partial schematic view of portion B of the under-vehicle skirt panel structure provided in FIG. 1;

FIG. 6 is an enlarged partial schematic view of a portion C of the under-vehicle skirt panel structure provided in FIG. 1;

fig. 7 is a schematic view of an assembly structure of the under-cowl structure provided in fig. 1 when being mounted to a vehicle body.

Reference numerals:

1-turning a lower apron structure; 2-a vehicle body; 3-hoisting the sliding block; 4-vehicle body chute; 11-apron board mounting seats; 12-skirting board; 13-a pneumatic support bar; 14-a pin shaft; 15-a fastener; 16-a slide block;

111-a lock seat; 112-a support plate; 113-a fixed plate; 114-reinforcing ribs; 115-reinforcing ribs; 116-a hinge;

121-skirt lock; 122-C-shaped grooves; 123-chute; 124-top edge; 125-bottom edge; 126-Angle aluminium

1211-bolt; 1131, fixing plate through holes; 1151-reinforcing rib through holes.

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.

In the embodiment, the lower skirt plate structure is suitable for medium and low speed maglev vehicles and is arranged at the lower part of the side beam of the vehicle body underframe; the width direction of a magnetic levitation vehicle is referred to as the lateral direction, the travel direction of the magnetic levitation vehicle is referred to as the longitudinal direction, and the vertical direction is referred to as the vertical direction. Is arranged on a skirt board of a magnetic suspension vehicle body

Example one

The embodiment of the application provides a skirt board structure 1 under car, including 11 and the skirtboard 12 of skirtboard mount pad, wherein:

the top of the apron board mounting seat 11 is provided with a connecting structure for fixedly connecting with the vehicle body 2, and the bottom is provided with a lock seat 111; as shown in the structure of fig. 7, the skirt board 12 is mounted on one side of the skirt board mounting seat 11, and the top of the skirt board mounting seat 11 is fixedly connected to the bottom of the side beam of the underframe of the vehicle body 2 through a fastener 15; in order to install the apron board installation seat 11, a vehicle body sliding groove 4 for positioning the hoisting sliding block 3 is arranged at the bottom of the boundary beam of the underframe of the vehicle body 2, and the apron board installation seat 11 is fixedly installed at the bottom of the vehicle body 2 through the threaded connection of the fastening piece 15 and the hoisting sliding block 3;

the apron board 12 is formed by one-time extrusion of aluminum profiles, the top of the apron board 12 is rotatably connected to the top of the apron board mounting seat 11, and the bottom of the apron board 12 is provided with an apron board lock 121 corresponding to the lock seat 111; the top of the apron board 12 is rotatably connected with the top of the apron board mounting seat 11 and is used for realizing that the bottom of the apron board 12 rotates by taking the top as a central axis, so that the apron board 12 is opened and closed; a skirt plate lock 121 is arranged at the bottom of the skirt plate 12, and the skirt plate lock 121 can be a four-corner lock made of stainless steel; the apron board lock 121 is provided with a lock tongue 1211, when the apron board lock 121 can enable the lock tongue 1211 to synchronously rotate in the opening and closing processes, when the lock tongue 1211 rotates to the rear side of the lock seat 111 of the apron board installation seat 11, the lock seat 111 can block the lock tongue 1211, the apron board 12 cannot rotate around the top of the apron board 12 under the action of external force, the apron board 12 is in a closed state, when the lock tongue 1211 rotates to leave the apron board installation seat 11 from the rear side of the lock seat 111, the lock tongue 1211 is not limited, at the moment, the bottom of the apron board 12 can rotate around the top of the apron board 12, and the apron board 12 can be in an open state under the action of the external force, so that an operator can overhaul parts under the vehicle; the apron board 12 is formed by one-time section extrusion, all required functions can be realized simultaneously, and no additional fixing mode or reinforcement is needed;

the apron lock 121 has an open state and a locked state, when the apron lock 121 is in the locked state, the bolt 1211 of the apron lock 121 is located on the side of the lock seat 111 away from the apron 12, and the apron 12 is relatively fixed with the apron mounting seat 11; when the skirt lock 121 is in the open state, the lock tongue 1211 is located outside the projection of the skirt installation base 11 on the skirt 12, and the skirt 12 can rotate relatively around the skirt installation base 11.

When the magnetic levitation vehicle adopts the lower apron plate structure 1, the apron plate mounting seat 11 is adopted to replace a supporting locking seat and a hinge mounting seat for mounting the apron plate 12 in the prior art, the apron plate mounting seat 11 is only required to be fixedly mounted on the vehicle body 2, and then the apron plate 12 is mounted on the apron plate mounting seat 11, so that the apron plate 12 can be mounted and fixed, two parts required in the prior art are combined into one, the number of the parts is reduced, the assembly process is simplified, and the weight of the whole vehicle is favorably reduced; the apron plate 12 adopting one-time extrusion molding replaces the apron plate 12 of the existing glass fiber reinforced plastic sandwich structure, and because the aluminum alloy profile is adopted for one-time extrusion molding, the structure of the apron plate 12 is simple, the manufacturing process is simplified, the production efficiency is improved, an additional fixed link structure and a reinforcing structure are not required to be added, and the lightweight design of a magnetic levitation vehicle is facilitated.

In a specific embodiment, as shown in fig. 1 and 5, the under-vehicle apron structure 1 further includes a pneumatic support rod 13, one end of the pneumatic support rod 13 is hinged to the apron mounting seat 11, and the other end is hinged to the bottom of the apron 12.

Because the pneumatic support rod 13 is arranged between the skirt board mounting seat 11 and the skirt board 12 in the under-vehicle skirt board structure 1, the skirt board 12 can be supported by the pneumatic support plate 112 when the skirt board 12 is in an open state or a closed state, and the skirt board 12 can be locked, so that the labor is saved, and the safety of maintainers can be improved; when selecting for use pneumatic support plate 112, can maintain required angle according to the weight of skirtboard 12 and the maintenance, the stroke and the damping force of rational design pneumatic support rod 13 compare mechanical bearing structure, and pneumatic support rod 13 can make skirtboard 12 open and close the operation more laborsaving, convenient.

Specifically, as shown in the structure of fig. 2, the apron board mounting seat 11 includes a supporting plate 112, a fixing plate, a reinforcing rib 114, a reinforcing rib 115, and a hinge 116, wherein:

the support plate 112 is disposed in a vertical direction; as shown in the structures of fig. 2 and 7, the height direction of the support plate 112 coincides with the height direction of the vehicle body 2;

the fixing plate is arranged on the top of the supporting plate 112 and is provided with a fixing plate through hole for penetrating the fastener 15, and the fixing plate through hole forms a connecting structure;

the hinge 116 is disposed on the top of the supporting plate 112 opposite to the fixing plate;

the reinforcing rib 114 is arranged on one side of the supporting plate 112, which is far away from the apron plate 12, and the top of the reinforcing rib is fixedly connected with the bottom surface of the fixing plate;

the reinforcing ribs 115 are fixedly connected to the support plate 112 and the fixing plate, and reinforcing rib through holes 1151 for passing the fasteners 15 are formed in the reinforcing ribs 115.

In use, when the apron board mounting seat 11 is mounted at the bottom of the vehicle body 2, one side surface of the support plate 112 is used for being attached to the apron board 12, the other side surface is provided with a reinforcing rib 114 perpendicular to the surface of the support plate 112, a reinforcing rib 115 is further arranged between the support plate 112 and the fixing plate, the structural strength and rigidity of the support plate 112 and the fixing plate are ensured by the reinforcing rib 115 and the reinforcing rib 114, and in addition, a mounting structure is further arranged by a plurality of reinforcing ribs 115 fixedly connected to the support plate 112 and the reinforcing rib 114, and the pneumatic support rod 13 is mounted through the reinforcing rib through holes 1151 on the reinforcing ribs.

As shown in the structures of fig. 1 and 3, fig. 3 only shows a part of the skirt board 12, and the skirt board 12 has a long strip-shaped plate-shaped structure; a C-shaped groove 122 corresponding to the position of the hinge 116 is arranged at the top of the apron board 12, and a sliding groove 123 extending along the length direction of the apron board 12 is arranged on the surface of one side facing the apron board mounting seat 11; the pin shaft 14 is inserted into the corresponding C-shaped groove 122 and the hinge 116; one end of the pneumatic support rod 13 is attached to the reinforcing rib 115 by a fastener 15 inserted through the reinforcing rib through hole 1151, and the other end is attached to the skirt 12 by a slider 16 slidably disposed in the slide groove 123.

The C-shaped groove 122 formed in the top of the skirt panel 12 has two functions, the first function is to insert the pin 14, as shown in the structure of fig. 6, the pin 14 is inserted into the hinge 116 of the skirt panel mounting seat 11 and the C-shaped groove 122 formed in the top of the skirt panel 12, so as to rotatably connect the skirt panel 12 to the skirt panel mounting seat 11, and the second function is to form the structure of the C-shaped groove 122 to form a reinforcing structure of the skirt panel 12, so as to structurally reinforce the skirt panel 12 on the premise of having the connection function; the longitudinal direction of the apron 12 coincides with the longitudinal direction of the vehicle body 2.

Meanwhile, a plurality of sliding grooves 123 are formed in the surface of the skirt board 12 on the side facing the skirt board mounting seat 11, the sliding grooves 123 are arranged in parallel, the sliding grooves 123 also have two functions, the first function is to structurally reinforce the skirt board 12 through the structure forming the sliding grooves 123, and the second function is to mount parts through the sliding grooves 123, for example, one end of the pneumatic support rod 13 is mounted on the reinforcing rib 115 of the skirt board mounting seat 11, and the other end is mounted on the slider 16 in the sliding groove 123 at the bottom of the skirt board 12, so that the opened skirt board 12 can be supported through the pneumatic support plate 112, and the skirt board 12 is assisted in the process of opening the skirt board 12.

The top and

bottom edges

124 and 125 of the panel 12 are each drop-shaped in cross-section. As shown in the configuration of fig. 7, the top edge 124 of the skirt 12 is drop-shaped in cross-section, and as shown in the configuration of fig. 4, the bottom edge 125 of the skirt 12 is drop-shaped in cross-section; because the top edge 124 and the bottom edge 125 of the skirt board 12 are locally thickened in a water drop shape, the integral flatness and straightness of the section bar can be ensured, and a certain attractive effect can be considered.

The fixing plate and the supporting plate 112 of the apron board mounting seat 11 may be formed integrally or may be formed separately.

As shown in fig. 1 and 3, the skirt 12 is provided with a plurality of angle aluminums 126 extending in a vertical direction on a surface of a side facing the skirt mounting seat 11. Since the angle aluminum 126 is disposed perpendicular to the C-shaped groove 122, the structural strength of the skirt panel 12 can be improved by the angle aluminum 126 and the C-shaped groove 122.

The sliding groove 123 of the skirt board 12 facing the skirt board mounting seat 11 may be a T-shaped groove integrally formed with the skirt board mounting seat 11

Two oppositely disposed corner angles 126 on the panel 12.

Example two

In addition, the embodiment of the application also provides a magnetic levitation vehicle, which comprises a vehicle body 2 and any one of the vehicle lower skirt plate structures 1 provided by the embodiments, and as shown in the structure of fig. 7, a skirt plate mounting seat 11 of the vehicle lower skirt plate structure 1 is fixedly mounted on the vehicle body 2 through a connecting structure at the top. The fixed plate through-hole that sets up on the fixed plate at 11 tops of skirtboard mount pad forms connection structure, and 2 bottoms of automobile body are provided with automobile body spout 4 to be provided with hoist and mount slider 3 in automobile body spout 4, through fastener 15 with 11 fixed connection of skirtboard mount pad to hoist and mount slider 3, realize the fixed mounting between skirtboard 12 and the automobile body 2.

The magnetic suspension vehicle adopts the installation structure, so that the apron board installation seat 11 is convenient to disassemble and install, and the installation efficiency of the apron board 12 is improved.

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. The utility model provides a skirt board structure under car which characterized in that, includes skirt board mount pad and skirt board, wherein:

2. The under-vehicle apron structure of claim 1, further comprising a pneumatic support bar, one end of which is hinged to the apron mounting seat and the other end of which is hinged to the bottom of the apron.

3. The under-the-vehicle apron structure of claim 2, wherein the apron mounting seat comprises a support plate, a fixing plate, a reinforcing rib and a hinge, wherein:

the supporting plate is arranged along the vertical direction;

4. The under-vehicle apron structure of claim 3, wherein the apron is an elongated plate-like structure; the top of the apron board is provided with a C-shaped groove corresponding to the hinge, and the surface of one side of the apron board facing the apron board mounting seat is provided with a sliding groove extending along the length direction of the apron board;

5. The under-vehicle skirt panel structure of claim 4, wherein the top and bottom edges of said skirt panel are each drop-shaped in cross-section.

6. The under-vehicle skirt plate structure of claim 3, wherein said fixing plate and said support plate are of an integrally formed structure.

7. An under-apron structure according to claim 1, wherein the apron is provided with a plurality of vertically extending angle aluminium on a side surface facing the apron mounting seat.

8. An under-apron structure according to claim 4, wherein the runner is a T-shaped channel and is formed from two oppositely disposed angle aluminium integrally formed on the apron.

9. An under-the-vehicle skirt plate structure according to any one of claims 1 to 8, wherein said skirt plate lock is a four-corner lock made of stainless steel.

10. A magnetic levitation vehicle comprising a vehicle body, further comprising an under-vehicle skirt structure according to any of claims 1-9, wherein the skirt mount of the under-vehicle skirt structure is fixedly mounted to the vehicle body by a top attachment structure.