CN113696927B

CN113696927B - Rail vehicle

Info

Publication number: CN113696927B
Application number: CN202111131347.6A
Authority: CN
Inventors: 郭涛; 陈彦宏; 段泽斌; 许红江; 李毅磊; 王家鑫; 张先令; 王俊锋
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2023-05-23
Anticipated expiration: 2041-09-26
Also published as: WO2023045063A1; CN113696927A

Abstract

An embodiment of the present application provides a rail vehicle, including: a vehicle body; the bottom of the car body is inwards recessed to form an accommodating space for accommodating the bogie; the bogie is arranged in the accommodating space; the side cabin plate assemblies are respectively arranged at two outer sides of the bogie along the width direction; the side deck assembly extends along the length and height of the bogie; the side deck assembly is connected to a vehicle body. The rail vehicle that this application embodiment provided adopts the side deck subassembly to enclose to establish in the side of bogie, can block subaerial grit, particulate matter, debris etc. and get into inside the bogie, strike parts such as pipeline, the electric wire of bogie, prolongs the life of each part, improves reliability and driving safety.

Description

Rail vehicle

Technical Field

The application relates to a railway vehicle running technology, in particular to a railway vehicle.

Background

Rail vehicles are important traffic ties connecting cities, and are becoming the main vehicles in cities, and are also the main carriers for transporting goods. The rail vehicle mainly includes: the bogie is used for bearing the vehicle body and realizing running and steering functions.

The bogie is arranged at the bottom of the vehicle body and is closer to the ground. In the high-speed running process of the vehicle, sand, particles, sundries and the like on the ground are easily carried by air flow to enter the bogie, and collide with parts such as pipelines, wires and the like of the bogie, so that pits are formed on the surfaces of the parts to further influence the strength of the parts, the service life of the parts is shortened, and the running safety of the serious parts can be influenced. In addition, the components of the bogie can generate certain wind resistance to airflow to a certain extent, and larger noise can be generated when the travelling speed is higher.

Disclosure of Invention

To solve one of the technical drawbacks described above, a rail vehicle is provided in an embodiment of the present application.

According to a first aspect of embodiments of the present application, there is provided a rail vehicle comprising:

a vehicle body; the bottom of the car body is inwards recessed to form an accommodating space for accommodating the bogie;

the bogie is arranged in the accommodating space;

the side cabin plate assemblies are respectively arranged at two outer sides of the bogie along the width direction; the side deck assembly extends along the length and height of the bogie; the side deck assembly is connected to a vehicle body.

In the scheme that this application embodiment provided, adopt the side deck plate subassembly to enclose to establish in the side of bogie, can block subaerial grit, particulate matter, debris etc. and get into inside the bogie, strike parts such as pipeline, the electric wire of bogie, the life of each part of extension, improvement reliability and driving safety.

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 embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic structural diagram of a self-protection bogie according to an embodiment of the present disclosure;

fig. 2 is a schematic top view of a bogie compartment according to an embodiment of the present disclosure;

fig. 3 is a schematic view illustrating a bottom angle of a bogie cabin according to an embodiment of the present disclosure;

FIG. 4 is a schematic top view of a bilge plate assembly in a truck cab provided in an embodiment of the present application;

FIG. 5 is a schematic top view of a bilge plate frame in a bilge plate assembly provided in an embodiment of the present application;

FIG. 6 is a schematic view of a bottom deck assembly with a center access door open;

FIG. 7 is a schematic view of a middle access door provided in an embodiment of the present application;

FIG. 8 is a schematic view of the internal structure of a middle access door provided in an embodiment of the present application;

FIG. 9 is a schematic view of an open end access door configuration of a billboards assembly provided in an embodiment of the present application;

FIG. 10 is a schematic structural view of an end access door provided in an embodiment of the present application;

FIG. 11 is a schematic view of the internal structure of an end access door provided in an embodiment of the present application;

FIG. 12 is an enlarged view of area A of FIG. 4;

FIG. 13 is an enlarged view of region B of FIG. 1;

FIG. 14 is a schematic view of a first boom assembly of a bilge plate assembly according to an embodiment of the present application;

FIG. 15 is a cross-sectional view of the top of the first boom assembly connected to the bogie frame;

FIG. 16 is a cross-sectional view of the first boom assembly bottom portion connected to the bogie frame;

FIG. 17 is a schematic view of a second boom assembly of a bilge plate assembly according to an embodiment of the present application;

FIG. 18 is a schematic top view of a side deck assembly and a deflector assembly in a truck bed provided in an embodiment of the present application;

FIG. 19 is a schematic view of the inboard construction of a side deck assembly provided in an embodiment of the present application;

FIG. 20 is a schematic view of the outboard configuration of a side deck assembly provided in an embodiment of the present application;

FIG. 21 is a schematic view of the internal structure of a side deck assembly according to an embodiment of the present disclosure;

FIG. 22 is a schematic view of a first side deck section of a side deck section assembly according to an embodiment of the present disclosure;

FIG. 23 is a second schematic structural view of a first side deck connector of a side deck assembly according to an embodiment of the present disclosure;

FIG. 24 is a schematic view of the internal structure of a first side deck connector in a side deck assembly according to an embodiment of the present disclosure;

FIG. 25 is a schematic view of a third side deck section of a side deck section assembly according to an embodiment of the present disclosure;

FIG. 26 is a second schematic structural view of a third side deck connector in a side deck assembly according to an embodiment of the present disclosure;

fig. 27 is a schematic structural view of a deflector assembly in a truck cabin according to an embodiment of the present disclosure;

FIG. 28 is a schematic view of an internal structure of a baffle assembly according to an embodiment of the present disclosure;

fig. 29 is a schematic structural view of a first baffle bracket in a baffle assembly according to an embodiment of the present disclosure;

FIG. 30 is a schematic diagram illustrating a first structure of a second baffle bracket in a baffle assembly according to an embodiment of the present disclosure;

fig. 31 is a schematic diagram of a second baffle bracket in the baffle assembly according to the embodiment of the present disclosure;

FIG. 32 is a schematic view of a structure of a baffle assembly and a bottom deck assembly to form a wind guide opening according to an embodiment of the present disclosure;

FIG. 33 is a schematic top view of a truck provided in an embodiment of the present application;

FIG. 34 is a schematic view of a bottom angle of a truck provided in an embodiment of the present application;

FIG. 35 is a side view of a rail vehicle provided in an embodiment of the present application;

Fig. 36 is a schematic view of a bottom view of a rail vehicle according to an embodiment of the present disclosure.

Reference numerals:

10-a bogie; 101-side beams; 102-a boom mount; 103-sleeper beam; 104-wheels; 105-braking a shaft disc; 106-a single pull rod; 107-active anti-hunting damper; 108-anti-hunting damper; 109-axleboxes; 20-a bogie cabin;

2-a bottom deck assembly; 21-a bottom deck frame; 211-an intermediate frame; 212-end frames; 213-locking plate; 214-oblong holes; 215-end beams; 22-an intermediate access door; 23-end access door; 231-brake disc relief holes; 241-hinge axis; 242-sealing strips; 251-aluminum door frame; 252-honeycomb panel; 253—door panel; 254-a rotating shaft seat; 255-vibration damping rubber strips; 256-lockholes;

3-side deck assemblies; 31-a first side deck; 32-a second side deck; 33-a third side deck; 34-a first side deck hanger; 341-a first bracket riser; 342-a first bracket cover; 343-first tongue lock; 344-a first rack top panel; 3441-a slider; 3442-mounting blocks; 35-a second side deck hanging seat; 36-a third side deck hanging seat; 361-a first interface portion; 362-a second interface portion; 3621-a bracket seat plate; 3622-a bracket panel; 3623-third tongue lock; 37-longitudinal ribs; 371-longitudinal bar connection;

4-a deflector assembly; 41-a deflector body; 42-a first baffle bracket; 43-a second baffle bracket; 44-a second bracket riser; 45-a second bracket cover plate; 46-a second tongue lock; 47-diversion channel;

5-a first boom assembly; 51-a first telescopic adjusting rod; 52-a first hanger bar body; 53-a first positioning sleeve; 54-a first fixing seat; 55-a first rubber node;

6-a second boom assembly; 61-a second telescopic adjusting rod; 62-a second hanger bar body; 63-a second positioning sleeve; 64-a second fixing seat;

71-locking seat; 711-locking notch; 72-locking the shaft; 721-locking tongue;

8-a vehicle body; 81-accommodating space; 82-baffle assembly mount.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The present embodiment provides a rail vehicle including: vehicle body, bogie and side deck assembly. Wherein, the bottom of the car body is inwards sunken to form an accommodating space for accommodating the bogie, and the bogie is arranged in the accommodating space. The side cabin plate assemblies are respectively arranged at two outer sides of the bogie along the width direction; the side deck assemblies extend along the length and height of the truck; the side deck assembly is connected to the vehicle body.

Adopt the side deck plate subassembly to enclose to establish in the side of bogie, can block subaerial grit, particulate matter, debris etc. and get into the bogie inside, strike parts such as pipeline, the electric wire of bogie, extension each parts's life improves reliability and driving safety.

Based on the foregoing, the present embodiment provides an example, and the above-described scheme will be described in detail.

In the example provided in this embodiment, the side deck assemblies may be provided only on the side of the bogie, or the bottom deck assemblies may be further provided below the bogie. The schematic solution of the figure is to provide both a bottom deck assembly and a side deck assembly. The individual application or the combined application of the bottom deck assembly and the side deck assembly can be performed by a person skilled in the art according to the technical solution provided in the present embodiment and the accompanying drawings.

In this embodiment, the length direction of the bogie is the same as the driving direction, that is: longitudinal direction (e.g., X direction in fig. 1). The width direction of the bogie is perpendicular to the driving direction, namely: transverse direction (e.g., Y direction in fig. 1). The height direction of the bogie is that: vertical direction (e.g., Z direction in fig. 1).

Fig. 1 is a schematic structural diagram of a self-protection bogie according to an embodiment of the present application. As shown in fig. 1, the present embodiment provides a self-protection bogie, including: the bogie 10 and the bogie cabin 20, the bogie cabin 20 is arranged on the bottom and the side face of the bogie 10 in a surrounding manner. Namely: the truck cabin has a bottom structure and a side structure, and encloses the truck 10.

The bogie cabin body can prevent sand, particles, sundries and the like on the ground from entering the bogie, and hit the parts such as pipelines, wires and the like of the bogie, so that the service life of each part is prolonged, and the reliability and the driving safety are improved.

Fig. 2 is a schematic top view angle diagram of a bogie cabin provided in an embodiment of the present application, and fig. 3 is a schematic bottom view angle diagram of a bogie cabin provided in an embodiment of the present application. As shown in fig. 2 and 3, one implementation is: the bogie cabin comprises: a bottom deck assembly 2 and a side deck assembly 3. Wherein the bottom deck assembly 2 is arranged directly below the bogie, the bottom deck assembly 2 extending in the length and width direction of the bogie. The side deck assemblies 3 are sequentially arranged along the width direction of the bogie, are respectively arranged on the left outer side and the right outer side of the bogie, and extend along the length direction and the height direction of the bogie.

The bottom deck assembly 2 and the side deck assembly 3 enclose the bogie from the bottom and the side, respectively, avoiding sundries from entering the bogie.

Further, the bogie cabin further comprises: the deflector components 4 are sequentially arranged along the length direction of the bogie and are respectively arranged on the front outer side and the rear outer side of the bogie. The deflector assembly 4 extends along the width direction of the bogie, the deflector assembly 4 forms a preset included angle with the horizontal direction, and an air guide opening is formed between the deflector assembly 4 and the bottom deck assembly 2. During the running process of the vehicle, air flow enters the bogie from the front end side air guide opening and is discharged from the rear end side air guide opening. The air flow flowing into the bogie can dissipate heat of the bogie.

The embodiment also provides a specific implementation manner of the bottom deck assembly 2:

fig. 4 is a schematic top view angle of a bottom deck assembly in a bogie deck body provided in an embodiment of the present application, fig. 5 is a schematic top view angle of a bottom deck frame in a bottom deck assembly provided in an embodiment of the present application, fig. 6 is a schematic structure of a middle access door opening in a bottom deck assembly provided in an embodiment of the present application, fig. 7 is a schematic structure of a middle access door provided in an embodiment of the present application, and fig. 8 is a schematic internal structure of a middle access door provided in an embodiment of the present application. As shown in fig. 4 to 8, the floor panel assembly 2 includes: a floor frame 21 and an access door. Wherein the bottom deck frame 21 is a rectangular frame-like structure enclosing at least one access door mounting hole. The access door is positioned within the access door mounting aperture. One side of the access door is rotatably connected with the bottom deck frame 21, and the opposite side is lockingly connected with the bottom deck frame 21 by a locking mechanism. So that the access door can be rotated downwardly relative to the floor frame 21 to an open position for facilitating maintenance of the truck; in the non-service process, the access door is rotated upward and locked with respect to the floor frame 21.

Specifically, the floor frame 21 includes: a middle frame 21 and a middle access door 22. Wherein, intermediate frame 21 sets up in the middle part below of bogie, is equipped with an access door mounting hole in the intermediate frame 21. Two intermediate access doors 22 are disposed within the access door mounting aperture.

As shown in fig. 6, the outer sides of the two intermediate access doors 22 are rotatably connected to the intermediate frame 21. For example: the intermediate access door 22 is connected to the intermediate frame 21 by a hinge or hinges so that the intermediate access door 22 can be pivoted downwardly relative to the intermediate frame 21. Opening the intermediate access door 22 allows maintenance to be performed on components near the cross beam of the bogie. A locking mechanism is provided between the intermediate access door 22 and the intermediate frame 21 for locking the intermediate access door 22 when the intermediate access door 22 is rotated upwardly into the access door mounting aperture.

One implementation is as follows: the two intermediate access doors 22 are relatively open, i.e.: the outer sides of the two intermediate access doors 22 are rotatably connected to the intermediate frame 21 such that the two intermediate access doors 22 are flipped open from the middle downward. One implementation: a hinge shaft 241 is provided on the middle frame 21, and an outer side of the middle access door 22 is rotatably connected to the middle frame 21 through the hinge shaft 241. The inner side of the intermediate access door 22 is provided with sealing strips 242, the sealing strips 242 on the two intermediate access doors 22 abutting to seal the gap between the two intermediate access doors 22. A locking mechanism is provided between the end of the intermediate access door 22 engaged between the outer side and the inner side and the intermediate frame 211.

Fig. 9 is a schematic structural view of an open end access door in a bottom deck assembly according to an embodiment of the present application, fig. 10 is a schematic structural view of an end access door according to an embodiment of the present application, and fig. 11 is a schematic internal structural view of an end access door according to an embodiment of the present application. As shown in fig. 4 to 11, further, the floor frame 21 further includes: an end frame 212 and an end access door 23. Wherein, the end frames 212 are disposed at both longitudinal ends of the intermediate frame 211, respectively below the wheel sets of the bogie. The end access door 23 is disposed in an access door mounting hole defined by the end frame 212, an inner side of the end access door 23 is rotatably connected to the intermediate frame 21, and a locking mechanism is disposed between an outer side of the end access door 23 and the end frame 212.

The end frames 212 are connected in sequence using three links to form a portal frame, with two legs connected to the intermediate frame 211. The middle frame 211 is provided with a hinge shaft 241 rotatably connected to the end access door 23.

Further, a brake disc escape hole 231 is formed in the end access door 23, so that the bottom end of a brake shaft disc in the bogie passes through the shaft disc escape hole 231. The opening size of the brake disc escape hole 231 may be set according to the size and height of the brake disc in order not to affect the rotation of the brake disc.

The present embodiment also provides an access door implementation in which both the intermediate access door 22 and the end access door 23 may be employed. The access door includes: an aluminum door frame 251 and an access door body provided in the aluminum door frame 251. The access door body comprises a honeycomb plate 252 and door plates 253 arranged on two sides of the honeycomb plate 252, wherein the door plates 253 can be made of aluminum plates. The honeycomb panel 252 is provided with a plurality of honeycomb structures having centerlines perpendicular to the door panels, and the centerlines of the honeycomb structures are perpendicular to the door panels 253. The outer surface of the door panel 253 facing away from the honeycomb panel 252 is provided with a damping slurry layer for noise reduction. One implementation: the damping slurry layer can be arranged on the surfaces of the inner door plate facing the bogie and the outer door plate deviating from the bogie, the inner door plate is provided with the damping slurry layer which can isolate the noise inside the bogie, and the outer door plate is provided with the damping slurry layer which can isolate the noise of the wheel track. Or, only one side door plate is provided with the damping slurry layer, so that the noise reduction effect is achieved.

A pivot mount 254 is provided on the outside edge of the access door for pivotal connection with a pivot on the bottom deck frame. The inner side edges of the access doors are provided with sealing strips 242, for example two intermediate access doors 22 may be sealed by means of the sealing strips 242. The damping rubber strip 255 is arranged on the other side of the access door and used for buffering and damping in the process of opening and closing the access door, and also can buffer and damp in the process of running the vehicle, so that the access door is prevented from generating larger vibration and abnormal sound.

In addition, a through lock hole 256 is provided on the access door for installing a locking mechanism, and the access door is locked in a closed state by the locking mechanism.

For access door locking, this embodiment also provides a specific implementation:

fig. 12 is an enlarged view of area a of fig. 4. As shown in fig. 4, 5, 12, the locking mechanism includes: a locking seat 71 and a locking shaft 72. Wherein, one end of the locking seat 71 is connected to the bottom deck frame 21, and the other end is provided with a locking notch 711.

Taking the middle access door 22 as an example, a locking plate 213 is provided on the middle frame 211, and the locking plate 213 is provided with a oblong hole 214 extending in the width direction of the bogie. The locking seat 71 is fixed to the locking plate 213 by passing a bolt through a mounting hole in the locking seat 71 and passing through a slotted hole 214 to be engaged with a nut on the other side of the locking plate 213. The position of the locking seat 71 is conveniently adjusted by using the oblong hole 214.

The other end of the locking seat 71 is provided with a locking notch 711, and the locking shaft 72 is accommodated in the locking notch 711. The lock shaft 72 passes through the lock hole of the access door, and a key hole is formed at the end thereof. The access door can be opened or locked by inserting a key from the bottom of the access door and rotating the locking shaft 72. The end part of the locking shaft 72 extending into the locking notch 711 is provided with a locking tongue 721, and the length of the locking tongue 721 is greater than the width of the locking notch 711. When the latch 721 is rotated to be parallel to the depth direction of the tightening notch 711, the access door may be opened; when the latch 721 is rotated to be perpendicular to the depth direction, the access door cannot be opened, and the locking effect is achieved.

In addition, for the connection mode of the bottom deck assembly 2 and the bogie, the present embodiment also provides a specific implementation mode:

as shown in fig. 4, 6, 9, the end of the bilge plate assembly 2 is connected to the frame end of the bogie by a first boom assembly 5 extending in the vertical direction, and the middle of the bilge plate assembly 2 is connected to the frame middle of the bogie by a second boom assembly 6 extending in the vertical direction.

Fig. 13 is an enlarged view of region B in fig. 1. As shown in fig. 1 and 13, in particular, the first boom assembly 5 is disposed at the end frame 212, with its bottom end connected to the end frame 212 and its top end connected to the boom mount 102 at the end of the side beam. The boom mount 102 may be bolted to the end of the side beam 101 or welded to the end of the side beam 101, the boom mount 102 being provided with an aperture through which the first boom assembly 5 passes upward and is secured.

Fig. 14 is a schematic structural view of a first boom assembly in a bottom deck assembly according to an embodiment of the present application, fig. 15 is a cross-sectional view of a top portion of the first boom assembly connected to a bogie frame, and fig. 16 is a cross-sectional view of a bottom portion of the first boom assembly connected to the bogie frame. As shown in fig. 14 to 16, the first boom assembly 5 includes: the first telescopic adjusting rod 51, the first hanging rod body 52, the first positioning sleeve 53, the first fixing seat 54 and the first rubber node 55.

Wherein the first telescopic adjusting rod 51 is a rod-like structure that can be extended or shortened. The first hanger bar body 52 is a round bar-like structure, and is connected to the top end of the first telescopic adjustment bar 51. Specifically, the first hanger rod body 52 is provided with an internal thread, the end of the first telescopic adjusting rod 51 is provided with an external thread, and the first telescopic adjusting rod is screwed into the internal thread hole of the first hanger rod body 52 to be fixed.

The first positioning sleeve 53 is connected to the end of the first boom body 52 far away from the first telescopic adjusting rod 51 (i.e. the top end of the first boom body 52), the first positioning sleeve 53 is used for being sleeved and fixed on the first boom body 52 from the upper side of the boom mounting seat 102, and the top is connected through a nut, so that the first boom assembly 5 is fixedly connected with the boom mounting seat 102.

The first fixing base 54 is connected to the other end of the first telescopic adjusting rod 51 (i.e., the bottom end of the first telescopic adjusting rod 51). The middle part of the first fixing seat 54 is provided with a disc-shaped structure with a slightly larger diameter, and the end part of the first fixing seat 54 passes through the first rubber node 55. The first rubber node 55 is connected with the first fixing base 54 from the bottom end by a nut. The first rubber node 55 includes two cushioning portions arranged in a stacked manner with a predetermined gap therebetween for accommodating the bilge plate assembly. During assembly, the end frame is sandwiched between two cushioning portions, one of which secures the end frame 212 and the other of which cushions the connection with the end frame 212.

Fig. 17 is a schematic structural view of a second boom assembly in a bilge plate assembly according to an embodiment of the present application. As shown in fig. 17, the second boom assembly 6 includes: the second telescopic adjusting rod 61, the second hanging rod body 62, the second positioning sleeve 63 and the second fixing seat 64.

Wherein the second telescopic adjustment rod 61 is a rod-like structure that can be extended or shortened. The second hanger bar 62 is of a round bar-like structure and is connected to the top end of the second telescopic adjustment bar 61. The second positioning sleeve 63 is connected to the end of the second boom body 62 away from the second telescopic adjusting rod 61 (i.e. the top end of the second boom body 62), and the second positioning sleeve 63 is used for being sleeved and fixed on the second boom body 62 from above, so that the second boom assembly 6 is fixedly connected with the middle part of the side beam of the framework. For example: a boom mount of similar construction may also be provided in the middle of the side sill for connection to the second boom assembly 6.

The second fixing base 64 is connected to the other end (i.e., bottom end) of the second telescopic adjustment rod 61, and the second fixing base 64 is connected to the floor assembly 2, specifically, to the intermediate frame. The bottom end of the second fixing seat 64 is a disc-shaped structure or a polygonal structure having a slightly larger diameter, and is fixed to the middle frame by bolts.

For the side deck assemblies 3, for example, the following may be used:

Fig. 18 is a schematic top view of a side deck assembly and a deflector assembly in a bogie deck according to an embodiment of the present application, fig. 19 is a schematic inner side structure of the side deck assembly according to an embodiment of the present application, fig. 20 is a schematic outer side structure of the side deck assembly according to an embodiment of the present application, and fig. 21 is a schematic inner side structure of the side deck assembly according to an embodiment of the present application. As shown in fig. 18 to 21, the side deck assembly 3 includes: the side deck plate body and side deck plate connecting piece, side deck plate connecting piece connect in the side deck plate body towards the internal surface of bogie, and the top of side deck plate subassembly is used for linking to each other with the automobile body of vehicle.

The shape of the side deck plate body is consistent with that of the side apron plate of the vehicle, and the shape change rule of the side apron plate of the vehicle and the side deck plate body is consistent from the side of the vehicle, so that the integrity of the side of the vehicle is better, and the visibility is better. The side deck body is gradually curved toward the bogie in a top-down direction, with the bottom end of the side deck body being lower than the vehicle side skirt.

In particular, the side deck body may be made of carbon fiber material, for example comprising: the inner skin, the outer skin and set up the skeleton between inner skin and outer skin, the skeleton includes the vertical muscle 37 that extends along bogie length direction and connects between two vertical muscle 37, and vertical muscle 37 is equipped with the connecting portion that is used for linking to each other with the side deck connecting piece, is called vertical muscle connecting portion 371, and vertical muscle connecting portion 371 is equipped with the mounting hole for installation side deck connecting piece. The skeleton can improve the intensity of side deck plate body. In the manufacturing process, carbon fiber laminates are sequentially paved in a die, carbon fiber longitudinal ribs and carbon fiber vertical ribs are arranged between the carbon fiber laminates, and the side deck plate body is formed after solidification.

The side deck plate body can be of an integral structure or a split structure. In this embodiment, the side deck body is divided into three parts: the first side deck plate 31, the second side deck plate 32, and the third side deck plate 33 are connected in this order along the length direction of the bogie. The first side deck plate 31 and the third side deck plate 33 are respectively connected to the vehicle side skirt panels of the corresponding sides such that the side deck plate bodies are connected to the vehicle side skirt panels in an integrated structure. The shape of the first side deck panel 31 and the third side deck panel 33 may match the shape of the corresponding vehicle side skirt panels.

The side deck connector includes: the first side deck hanging seat and the second side deck hanging seat, and two side edges of the first side deck 31 are respectively connected with the vehicle body through the first side deck hanging seat; two side edges of the second side cabin plate are respectively connected with the vehicle body through first side cabin plate hanging seats; the two side edges of the third side cabin plate are respectively connected with the vehicle body through the first side cabin plate hanging seat and the second side cabin plate hanging seat.

Fig. 22 is a schematic structural view of a first side deck connector in a side deck assembly according to an embodiment of the present application, fig. 23 is a schematic structural view of a second side deck connector in a side deck assembly according to an embodiment of the present application, and fig. 24 is a schematic internal structural view of a first side deck connector in a side deck assembly according to an embodiment of the present application. As shown in fig. 22 to 24, the first type of side deck hanging seat has two structures, which are divided into: a first side deck hanger 34 and a second side deck hanger 35. The first side deck hanging seat 34 is similar to the first side deck hanging seat, and includes: a first bracket riser 341, a first bracket cover 342, a first tongue lock 343, and a first bracket top plate 344.

The number of the first support vertical plates 341 is two, and the first support vertical plates are parallel and opposite to each other. The first bracket vertical plate 341 may be provided with a lightening hole. The number of the first bracket cover plates 342 is at least two, and is connected between the two first bracket vertical plates 341. The number of the first latch locks 343 is at least two, and the first latch locks 343 are connected between the two first bracket vertical plates 341, and the first bracket cover plates 342 are alternately arranged. The end of the turning tongue lock 343 is exposed outside the side deck plate body, the first side deck plate hanging seat 34 is locked with the side deck plate body through the turning tongue lock 343, and a key is inserted from the outside to turn the turning tongue lock 343, so that the side deck plate body is convenient to detach.

The first bracket top plate 344 is connected to the top of the two first bracket vertical plates 341, on which an interface member for connection to the vehicle body, which may be a slider 3441, is provided for being mounted into a C-shaped groove of the vehicle body by bolts. The interface component may also include a mounting block 3442 for attachment to the vehicle body via bolts.

The second side deck hanger 35 is similar in structure to the first side deck hanger 34 except that: the length of the first bracket riser in the second side deck hanger 35 is shorter and the number of first bracket cover plates 342 and first tongue locks 343 is smaller. Specifically, the number of the first bracket cover plates in the first side deck hanging seat is larger than that of the first bracket cover plates in the second side deck hanging seat; the number of first tongue locks in the first side deck hanger is greater than the number of first tongue locks in the second side deck hanger.

For example: the number of the first bracket cover plates in the first side deck hanging seat is 4, and the number of the first turning tongue locks is 4; the number of the first bracket cover plates in the second side cabin plate hanging seat is 2, and the number of the first rotating tongue locks is 2.

Fig. 25 is a schematic structural view of a first side board connector in a side board assembly according to an embodiment of the present application, and fig. 26 is a schematic structural view of a second side board connector in a side board assembly according to an embodiment of the present application. As shown in fig. 25 and 26, the second type of side deck hanger comprises a structure, referred to as a third side deck hanger 36, comprising: a first interface portion 361 and a second interface portion 362. Wherein the first interface part 361 is provided with an interface member, such as a slider, for connecting to the vehicle body, and is connected to the vehicle body in a C-shaped groove. The number of the second interface portions 362 is two, and each of the second interface portions is vertically connected to both ends of the first interface portion 361.

The second interface portion 362 has two parallel and oppositely disposed bracket seat plates 3621, a bracket panel 3622 connected between the two bracket seat plates 3621, and a third tongue lock 3623. Third tongue lock 3623 passes through the side deck body.

The present embodiment further provides an implementation manner of the deflector assembly 4:

fig. 27 is a schematic structural view of a baffle assembly in a truck cabin according to an embodiment of the present application, and fig. 28 is a schematic internal structural view of a baffle assembly according to an embodiment of the present application. As shown in fig. 27 and 28, the deflector body 41 and the deflector bracket by which the deflector body 41 is connected to the vehicle body. The height of the deflector body 41 gradually increases in the direction approaching the bogie, extending above the end of the bottom deck assembly; the end of the deflector body 41 close to the bogie forms a wind guide opening with the bottom deck assembly 2.

Both ends of the bogie are provided with guide plate assemblies 4, and form air guide openings with the bottom deck assembly 2. In the running process of the vehicle, air flow enters the bogie from the air guide opening at the front end of the bogie, is discharged from the air guide opening at the rear end, and dissipates heat and cools the bogie.

The deflector body may be made of carbon fiber material, and includes an inner skin, an outer skin, and a frame disposed between the inner and outer skins, and the frame is provided with a deflector bracket mounting portion 411.

The deflector bracket can be realized in the following way:

the baffle support is divided into two structures with different sizes: the first baffle holder 41 and the second baffle holder 42 are substantially identical in structure, differing only in size. Specifically, fig. 29 is a schematic structural diagram of a first baffle support in a baffle assembly provided in an embodiment of the present application, fig. 30 is a schematic structural diagram of a first baffle support in a baffle assembly provided in an embodiment of the present application, and fig. 31 is a schematic structural diagram of a second baffle support in a baffle assembly provided in an embodiment of the present application. As shown in fig. 29 to 31, the baffle bracket includes: a second bracket riser 44, a second bracket cover 45, and a second tongue lock 46.

The number of the second stand plates 44 is two, and the second stand plates are arranged in parallel and opposite to each other. The second bracket cover 45 is connected between the two second bracket risers 44. The second bracket cover 45 extends to the heads of the two second bracket risers 44 and is provided with interface means for connection to the vehicle body, for example with a slider connected to a C-shaped slot of the vehicle body. A second tongue lock 46 is connected between the two second bracket risers 44.

The first deflector bracket 42 is provided with two second tongue locks 46 and the second deflector bracket 43 is provided with two second tongue locks 46.

Fig. 32 is a schematic structural view of a wind guide formed by a baffle assembly and a bottom deck assembly according to an embodiment of the present disclosure. As shown in fig. 32, the end of the floor module 2 has a tip shape protruding outward, and the upper surface of the tip shape and the lower surface of the deflector body 41 form a deflector channel 47. The deflector body 41 is inclined, and the diameter of the deflector passage 47 gradually increases in a direction approaching the bogie. The angle between the deflector body 41 and the horizontal direction may be 1 ° -30 °, for example: values of 5 °, 8 °, 10 °, 11 °, 13 °, 15 °, 25 °, etc. may be used, but are not limited to the above-mentioned discrete values.

Specifically, the end frame 212 has an end beam 215, and the outer side of the end beam 215 has an upwardly inclined slope and a downwardly inclined slope, both slopes forming a tip shape at a middle position. A deflector channel 47 is formed between the upwardly inclined ramp and the deflector assembly 4 along which the air flow enters the bogie interior. The vertical distance between the end of the deflector assembly 4 near the bogie and the end beam 215 may be 50mm-150mm, for example: 55mm, 85mm, 100mm, 105mm, 115mm, 130mm, 145mm, etc., but are not limited to the discrete values described above.

At the other end of the bogie, the same structure is adopted to form a diversion channel 47, and air flows out of the diversion channel 47 at the one end, so that orderly air flow is formed inside the bogie, and the bogie is favorably cooled.

Further, at least two protruding portions may be disposed on the bottom surface of the baffle body 41 at intervals, and a diversion channel 47 is formed between the end beam 215 and a recess portion between the protruding portions, and the lateral width of the recess portion may be 400mm-800mm, for example: values of 450mm, 500mm, 600mm, 750mm, etc., but are not limited to the discrete values described above.

The bogie cabin provided by the embodiment can reduce aerodynamic drag by 15%, noise by 3-5dB and energy consumption by 20%. In the bogie, only the wheels are exposed outside, so that the rubber parts of the bogie can be prevented from being irradiated by ultraviolet rays, and the service life of the rubber parts is prolonged; the self-protection bogie can prevent pipelines and wires from being hit by flying sand and stones, and damage is reduced; the key components such as the framework, the motor, the gear box and the axle can be prevented from being hit by flying sand and stones, the formation of defects is reduced, and the service life and the bearing capacity of the key components are improved. The self-protection bogie can prolong the overhauling period of the bogie, reduce the cost of the whole life cycle, greatly reduce energy consumption and have wide application prospect.

Above-mentioned access door adopts aluminum alloy honeycomb panel structure, and the side deck board subassembly adopts carbon fiber material, can even satisfy lightweight design, lightens the dead weight of bogie, is favorable to improving the traction efficiency of vehicle. Opening the access door facilitates maintenance and service of the components of the truck.

The side deck assembly 3 can be produced, sold and exported as a single product.

Fig. 33 is a schematic top view of a bogie according to an embodiment of the present application, and fig. 34 is a schematic bottom view of a bogie according to an embodiment of the present application. As shown in fig. 33 and 34, the bogie provided by the present embodiment mainly includes: a framework, a wheel set, a primary suspension device, a secondary suspension device, a traction device and the like. The framework device consists of an H-shaped main body structure and various hanging seats, the main body of the framework device adopts a steel plate splice welding box structure with high strength and better corrosion resistance, the box structure comprises a box-shaped side beam and a cross beam, and the framework has equal rigidity, equal strength, equal stress and streamline design, and has novel structure, simple manufacturing process and high cost performance. Various hanging seats are in large numbers of forging structures with the same strength as steel plate materials, and the forging has the characteristics of complex structure and excellent performance, and meets the use requirements on the structure and the strength.

The side members 101 extend in the longitudinal direction; the number of side members 101 is two, and they are arranged side by side in parallel. A cross member (not shown) is connected between the middle portions of the two side members 101 to form an H-shaped frame body structure.

The wheel sets set up in the below of curb girder tip respectively, include: an axle, wheels 104 symmetrically arranged on the axle, axle boxes 109 symmetrically arranged on the axle; the axle box is positioned on the inner side of the wheel; the billboards are positioned between two coaxial wheels. Triangle-shaped arm-tie location has been adopted to reduce occupied space, and arm-tie one end is fixed through the mount pad on rubber node and the axle box, and the other end is fixed through the mount pad on rubber node and the framework, and in train operation in-process, the pull rod can provide the rigidity that the wheel pair was fixed a position, and two rubber nodes can provide less displacement and the ability of reducing vibration.

Specifically, a single pull rod 106 is provided between the axle housing 109 and the side member 101, and the single pull rod 106 extends in the longitudinal direction. At least two liquid containing spaces are arranged in the single pull rod 106, and a liquid flow passage with smaller aperture is arranged between the two liquid containing spaces to communicate the two liquid containing spaces. In the running process of the vehicle, liquid flows between the liquid containing spaces through the liquid flow channels, and when the running speed of the vehicle is smaller, the rigidity generated by the liquid flow is smaller; when the running speed of the vehicle is high, the rigidity generated by the liquid flow is high, and the longitudinal traction stability can be improved.

The first suspension system adopts two rubber springs at two ends of the axle box and is supported on the framework. The rubber spring increases the vertical static deflection of the primary suspension, so that the bogie can bear larger load.

A series of vertical vibration dampers are assembled in a series of suspension devices and are matched with rubber springs for use, and a series of vertical oil pressure dampers are used for absorbing vertical movement energy between a framework and a wheel set so that vertical vibration can be quickly converged.

The secondary suspension between the frame device and the sleeper beam is carried out by a high-flexibility air spring bearing mode, and a load characteristic test and a resonance characteristic test of the secondary suspension are carried out according to the relevant regulations of the air spring device for the railway vehicle. The air springs adopt the same air springs of the motor train unit bogie, and the air springs can provide two-system vertical damping and transverse damping, so that the dynamic performance of the motor train unit is improved.

The braking device adopts a combined braking mode of a wheel disc and a shaft disc, the built-in axle box bogie needs to run at a speed level of more than 350 km per hour, and only the wheel-mounted braking disc cannot meet the requirements of braking distance and heat capacity, and a group of shaft-mounted braking discs 105 are arranged on each axle. The middle part of the non-power bogie of the built-in axle box is provided with enough space for installing an axle-mounted brake disc, and the axle-mounted brake disc can be provided with the diameter of the friction disc according to the requirement to meet the requirements of braking distance and heating value. The axle-mounted brake disc is arranged at the middle position of the axle, and in the braking process, the two ends and the middle of the axle are stressed, so that the phenomenon of unbalanced load cannot occur, and the stress condition of the axle is better. The braking hanging seat is arranged on the side beam or the cross beam, the braking clamp is arranged on the braking shaft disc, and the braking hanging seat is used for clamping two sides of the braking clamp to brake.

Another way is: one axle is provided with a brake shaft disc 105, the distance between the brake shaft disc 105 and one wheel 104 is larger than the distance between the brake shaft disc 105 and the other wheel 104, and the brake shaft discs 105 in two wheel pairs are symmetrical with the center of the bogie.

The central traction device consists of a traction beam, a center pin, a longitudinal stop, a transverse shock absorber and a vertical stop, wherein the vertical stop seat is used for vertically limiting the vehicle body in the vibration process, and the vertical shock absorber mounting seat is used for vertically damping the vehicle body in the vibration process by mounting the vertical shock absorber.

The second transverse stop is used for limiting the position between the central traction device and the framework in the traction process, the metal rubber part structure is adopted to transversely move between the vehicle body and the framework, and when the displacement is large, the transverse stop can limit the transverse swing of the vehicle body, so that the stability is improved and the condition that equipment on the vehicle exceeds the limit is prevented.

The two-system transverse vibration damper is characterized in that two ends of the transverse vibration damper are respectively arranged on a two-system transverse vibration damper seat on the framework device and a transverse vibration damper seat on the center pin and are used for transverse vibration damping of relative running between the framework device and the sleeper beam as well as between the framework device and the vehicle body.

The anti-rolling torsion bar is composed of a sleeper beam device and an anti-rolling torsion bar seat of a framework, the torsion bar is used for installing the torsion bar, when a vehicle is in rolling state in operation, the torsion bar is driven by the torsion bar to twist, the torsion bar material can provide reverse twisting force, the rolling trend of the vehicle body is prevented, and the stability of the vehicle body is maintained.

And when the running speed reaches more than 250 km per hour, the anti-hunting damper is arranged to restrain the vehicle from hunting. One end of the anti-hunting damper is connected to the side beam of the framework, the other end of the anti-hunting damper is connected to the sleeper beam and the vehicle body, the vehicle always has hunting movement in the running process of the vehicle, the anti-hunting damper is used for preventing the hunting movement from being overlarge, the hunting movement is kept in a certain stable range, and an oil pressure anti-hunting damper is arranged on each side of the bogie for damping the sine wave movement of the vehicle.

Specifically, a common anti-hunting damper 108 and an active anti-hunting damper 107 are used, both of which are connected between the frame and the bolster. The normal anti-hunting damper 108 is an oil damper for preventing excessive hunting. The active anti-hunting damper 107 is electrically connected with an on-board controller, and the controller generates oil pressure control parameters by acquiring parameters such as line information, speed information and the like, and controls the buffering acting force of the active anti-hunting damper 107 so as to adapt to the requirements of different running lines. The controller can perform data communication acquisition with the trackside terminal in a mode of acquiring the line information.

The sleeper beam assembly 103 comprises an air spring mounting seat, a center pin mounting seat, an anti-side rolling torsion bar mounting seat, a height valve mounting seat, an anti-meandering shock absorber mounting seat and other structures, is an important component of the bogie, is used for a mechanism for mounting with a vehicle body, and can form an independent part of the bogie, so that the bogie is convenient to replace and overhaul.

The wheel set consists of wheels, axles, wheel-mounted brake discs and axle-mounted brake discs, the form of the bogie wheel set with the built-in axle box is obviously different from that of the external axle box, and the bearings are positioned on the inner sides of the wheels, so that the upper bearing seat of the axles is also positioned on the inner sides of the wheel seats, and the diameters of the bearing seats are larger than those of the wheel seats, so that the bearing with larger diameter is selected for the built-in axle box wheel set. The axle box bogie axle omits a section for installing the bearing, and the axle is shorter than the external axle, has lighter weight, can reduce unsprung mass, and is beneficial to improving the running stability of wheels and reducing the acting force of wheel tracks.

The embodiment also provides a railway vehicle, which comprises the bogie provided by any one of the above. The rail vehicle can be a single carriage or can comprise a plurality of carriages. The vehicle may be a fuel-powered vehicle, a gas-powered vehicle, or an electric-powered vehicle. The vehicle can be a common speed train, a motor train unit, a subway, a light rail and the like. The scheme can especially meet the requirement of the bogie of the fast running motor train unit with the weight 68t of the bicycle and the speed exceeding 350 km/h.

Fig. 35 is a side view of a rail vehicle provided in an embodiment of the present application, and fig. 36 is a schematic view of a bottom view of the rail vehicle provided in an embodiment of the present application. As shown in fig. 35 and 36, the bottom of the vehicle body 81 is recessed inward to form an accommodation space 81, and the bogie 10 is accommodated in the accommodation space 81. Specifically, two accommodation spaces 81 are provided at the vehicle body bottom of one compartment for mounting two bogies 10.

The area between the two bogies 10 is provided with vehicle traction equipment, auxiliary equipment, cylinder equipment, etc. The vehicle body specifically comprises: chassis, side wall, roof and headwall. Side skirts are arranged below two sides of the underframe, and the side skirts enclose the equipment, which is equivalent to forming a containing space 81 by matching the side skirts and the underframe.

The side deck assemblies 3 on the outer side of the truck 10 are the same shape as the side skirt panels to provide better side integrity for the car and improved visibility.

Correspondingly, a longitudinal C-shaped groove is arranged on the underframe of the vehicle body and is used for being connected with a hanging seat in the side deck assembly 3. A baffle assembly mounting portion 82 extending in the transverse direction is provided on the vehicle body underframe, and a C-shaped groove is provided thereon for corresponding connection with the baffle bracket in the baffle assembly 4.

The railway vehicle provided by the embodiment has the same technical effects as the bogie.

Claims

1. A rail vehicle, comprising:

the bogie is arranged in the accommodating space;

the side cabin plate assemblies are respectively arranged at two outer sides of the bogie along the width direction; the side deck assembly extends along the length and height of the bogie; the side deck assembly is connected to a vehicle body;

The side deck assembly includes:

a side deck body; the shape of the side cabin plate body is consistent with that of a side skirt plate of the vehicle;

a side deck connector; the side deck assembly is arranged on the inner surface of the side deck body facing the bogie, and the top of the side deck assembly is used for being connected with the body of the vehicle;

the side deck body includes: the steering frame comprises an inner skin, an outer skin and a framework arranged between the inner skin and the outer skin, wherein the framework comprises longitudinal ribs extending along the length direction of the steering frame and vertical ribs connected between the two longitudinal ribs; the longitudinal ribs are provided with connecting parts for connecting with the side cabin plate connecting pieces; the inner skin, the outer skin and the framework are made of carbon fiber materials;

further comprises:

the bottom deck assembly is arranged below the bogie; the bottom deck assembly extends along the length and width of the bogie; the bottom deck assembly is connected to a bogie;

the guide plate assemblies are sequentially arranged along the length direction of the bogie and are respectively arranged at the two outer sides of the bogie; the deflector assembly extends in the width direction of the bogie; the guide plate component forms a preset included angle with the horizontal direction, and an air guide port is formed between the guide plate component and the bottom cabin plate component, so that air flow enters the bogie from the air guide port on one side and is discharged from the air guide port on the other side;

The baffle assembly includes: the air deflector comprises a deflector body and a deflector bracket, wherein the deflector body is connected to a vehicle body through the deflector bracket; the height of the deflector body gradually rises along the direction approaching the bogie and extends to the position above the end part of the bottom deck assembly; an air guide opening is formed between the end part, close to the bogie, of the guide plate body and the bottom cabin plate assembly;

the end part of the bottom deck assembly is in a tip shape protruding outwards, and a diversion channel is formed by the upper surface of the tip shape and the lower surface of the diversion plate body; the caliber of the diversion channel is gradually increased along the direction approaching the bogie.

2. The railway vehicle of claim 1, wherein the side deck body comprises: the first side cabin plate, the second side cabin plate and the third side cabin plate are sequentially connected along the length direction of the bogie; the first side cabin plate and the third side cabin plate are respectively connected with the vehicle side skirtboard on the corresponding side;

the side deck connector includes: a first type side deck hanging seat and a second type side deck hanging seat;

the two side edges of the first side cabin plate are respectively connected with the vehicle body through first side cabin plate hanging seats;

the two side edges of the second side cabin plate are respectively connected with the vehicle body through the hanging seats of the first side cabin plate;

And two side edges of the third side cabin plate are respectively connected with the vehicle body through the first side cabin plate hanging seat and the second side cabin plate hanging seat.

3. The railway vehicle of claim 2, wherein the first type of side deck hanger comprises:

the two first support vertical plates are arranged in parallel and opposite to each other;

the at least two first bracket cover plates are connected between the two first bracket vertical plates;

at least two first rotating tongue locks connected between the two first support vertical plates; the first rotating tongue locks and the first bracket cover plate are alternately arranged;

the first bracket top plate is connected to the tops of the two first bracket vertical plates; the first bracket top plate is provided with an interface member for connection with a vehicle body.

4. The railway vehicle of claim 2, wherein the second type of side deck hanger comprises:

a first interface part provided with an interface member for connection with a vehicle body;

the second interface part is respectively and vertically connected to two ends of the first interface part, and is provided with two parallel bracket seat boards which are oppositely arranged, a bracket panel connected between the two bracket seat boards and a third rotary tongue lock.

5. The rail vehicle of claim 1, wherein the floor deck assembly comprises:

A bottom deck frame; the bottom deck frame encloses at least one access door mounting hole;

and the access door is positioned in the access door mounting hole, one side of the access door is rotationally connected with the bottom deck frame, and the opposite side of the access door is in locking connection with the bottom deck frame through a locking mechanism.

6. The rail vehicle of claim 5, wherein the floor frame comprises:

the middle frame is arranged below the middle part of the bogie;

a middle access door; the number of the middle access doors is two, and the two middle access doors are arranged in an access door mounting hole defined by the middle frame; the outer side edges of the two middle access doors are rotationally connected with the middle frame, and the two middle access doors can be turned down to be opened or turned up to be locked.

7. The rail vehicle of claim 6, characterized in that the inner side of the intermediate access door facing the other intermediate access door is provided with a sealing strip; sealing strips on the two middle access doors are in butt joint to seal a gap between the two middle access doors;

a locking mechanism is arranged between the end part of the middle access door, which is connected between the outer side edge and the inner side edge, and the middle frame.

8. The rail vehicle of claim 6, wherein the floor frame further comprises:

The end frames are arranged at the two longitudinal ends of the middle frame and are respectively positioned below the wheel sets of the bogie;

the end access door is arranged in an access door mounting hole defined by the end frame; the inner side edge of the end access door is rotationally connected with the middle frame, and a locking mechanism is arranged between the outer side edge of the end access door and the end frame.

9. The rail vehicle of claim 5, wherein the access door comprises: aluminum door frame and access door body;

the access door body comprises a honeycomb plate and door plates arranged on two sides of the honeycomb plate; the honeycomb plate is provided with a plurality of honeycomb structures with central lines perpendicular to the door plate;

the outer side surface of the door plate, which is away from the honeycomb plate, is provided with a damping slurry layer for noise reduction.

10. The rail vehicle of claim 1, wherein an end of the bottom deck assembly is connected to a frame end of a bogie by a first boom assembly extending in a vertical direction; the middle portion of the bottom deck assembly is connected to the middle portion of the frame of the bogie by a second boom assembly extending in a vertical direction.