CN217347808U

CN217347808U - Bogie cabin bottom plate structure

Info

Publication number: CN217347808U
Application number: CN202221607330.3U
Authority: CN
Inventors: 谈源; 解恩泽; 周敏杰; 张驰; 汤娟; 陈浩
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-02
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to a bogie cabin bottom plate structure, wherein the periphery of a bogie cabin is enclosed by a skirt plate component and a guide plate, a bottom plate is arranged at the bottom of the bogie cabin, and the bottom plate is symmetrically arranged in the length direction of a vehicle body; the skirtboard subassembly includes fixed skirtboard and activity skirtboard, and the activity skirtboard corresponds the bogie setting and puts at the middle part position of skirtboard subassembly, and the bottom plate sets up to U type structure, sets up the longitudinal plate portion at its both ends including diaphragm portion and symmetry, and the longitudinal plate portion is close to the skirtboard subassembly and sets up, is provided with longeron and crossbeam on the bottom plate towards one side of automobile body, and the longeron sets up along automobile body length direction, and the bottom plate passes through longeron and skirtboard subassembly fixed connection. Adopt the skirtboard and combine the structure of bottom plate, realize the envelope to the vehicle bottom bogie, can further block inside impurities such as grit that the ground was brought up gets into the bogie at the high-speed in-process of traveling of train, the reinforcing safety of traveling can also reduce the windage and reduce the resistance that spare part produced the air current on the bogie, and then the noise reduction.

Description

Bogie cabin bottom plate structure

Technical Field

The utility model relates to a rail vehicle technical field especially relates to a bogie cabin bottom plate structure.

Background

The bogie is arranged below the train body and used for bearing the train body and realizing the functions of running and steering, and skirt boards are arranged on two sides of a bogie cabin at the bottom of the train at present and can influence the pneumatic performance of the whole train, so that the resistance of the train running under the condition of strong crosswind is obviously reduced.

The skirt plate structure of the conventional bogie cabin comprises a fixed skirt plate and a movable skirt plate, wherein the movable skirt plate can be opened from two sides by lifting so as to be convenient for overhauling a bogie; however, the apron board structures on the two sides can only reduce the influence of partial airflow on the bogie, and each part on the bogie can generate certain wind resistance on the airflow to a certain extent, so that large noise is generated under the condition of over-high speed; and because the bogie is close to the bottom surface, in the process of high-speed running of the train, sundries such as sand and stone, particles and the like on the ground are easily brought by airflow to enter the bogie, and the running safety is influenced.

In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a bogie cabin floor structure and make the bogie cabin floor structure more practical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bogie cabin bottom plate structure to the defect that exists among the prior art, cooperation skirtboard realizes strengthening the safety of traveling when reducing the windage to the envelope of bogie.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a bogie cabin bottom plate structure is characterized in that the periphery of a bogie cabin is enclosed by a skirt plate assembly and a guide plate, a bottom plate is arranged at the bottom of the bogie cabin, the skirt plate assembly and the guide plate are symmetrically arranged in the width direction and the length direction of a vehicle body respectively, and the bottom plate is symmetrically arranged in the length direction of the vehicle body;

the skirtboard subassembly includes fixed skirtboard and activity skirtboard, the setting of activity skirtboard correspondence bogie is in the middle part position of skirtboard subassembly, the bottom plate sets up to U type structure, sets up the longitudinal plate portion at its both ends including diaphragm portion and symmetry, the longitudinal plate portion is close to the skirtboard subassembly sets up the bottom plate is provided with longeron and crossbeam on one side towards the automobile body, the longeron sets up along automobile body length direction, the bottom plate passes through the longeron with skirtboard subassembly fixed connection.

Furthermore, the longitudinal beams are arranged on the bottom plate, the longitudinal plate parts are fixedly connected with the fixed apron plate through the longitudinal beams arranged on the longitudinal beam parts, and one ends, far away from the guide plate, of the longitudinal beams are detachably connected with the movable apron plate.

Furthermore, the cross beam is fixed on the longitudinal beam through a connecting seat and is fixedly connected with the guide plate;

the transverse plate part is provided with a plurality of longitudinal beams, the connecting seats are arranged in a plurality of positions corresponding to the longitudinal beams, and the connecting seats are arranged at one ends, close to the guide plates, of the longitudinal beams.

Furthermore, the crossbeam with guide plate parallel arrangement, just the crossbeam is kept away from one side of connecting seat with the guide plate laminating.

Furthermore, the longitudinal beams are symmetrically arranged at the two longitudinal plate parts, the transverse beams are arranged at the transverse plate parts, and two ends of each transverse beam are fixedly connected with the longitudinal beams through connecting pieces.

Furthermore, the bottom plate is integrally formed by adopting a composite material and comprises an outer skin, an inner skin, a filling material and a reinforcing block, wherein the filling material and the reinforcing block are arranged between the outer skin and the inner skin;

the longitudinal beam is fixedly connected with the bottom plate through a first bolt, and the reinforcing block is correspondingly arranged at the joint of the first bolt and the bottom plate.

Furthermore, the longitudinal beam is formed by pultrusion of a composite material and comprises a main body and flanges, wherein the main body is provided with a cavity along the length direction of the main body, and the flanges are symmetrically arranged on two sides of the contact surface of the main body and the bottom plate;

the first bolt is along main part length direction all is equipped with a plurality ofly on the turn-ups, first bolt will the turn-ups with reinforcing block fixed connection.

Furthermore, a connecting block is arranged in the cavity and fixedly connected with the longitudinal beam through a second bolt;

and connecting blocks are arranged at the joints of the longitudinal beam and the apron plate assembly, and the apron plate assembly is connected with the connecting blocks through third bolts.

Furthermore, the joint of the longitudinal beam and the movable apron board protrudes out of the bottom board, a bayonet is formed in one side, facing the bottom board, of the protruding part, and the connecting block is arranged in the bayonet and connected with the movable apron board through the third bolt.

The utility model has the advantages that:

in this application, adopt the skirtboard and combine the structure of bottom plate, realize the envelope to the vehicle bottom bogie, can further block inside impurities such as grit that the ground brought up got into the bogie at the high-speed in-process of traveling of train, the reinforcing safety of traveling can also reduce the windage and reduce the resistance that spare part produced the air current on the bogie, and then the noise reduction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a bogie cabin according to the present invention;

FIG. 2 is a schematic structural view of the middle bottom plate of the present invention;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 3;

FIG. 5 is a schematic view of the connection between the longitudinal ribs and the skirt board assembly of the present invention;

fig. 6 is a schematic connection diagram of the longitudinal beams and the cross beams in the second embodiment.

Reference numerals: 1. a bogie cabin; 2. a skirt board assembly; 21. fixing the apron board; 22. a movable skirt plate; 4. A base plate; 41. a lateral plate portion; 42. a vertical plate portion; 43. a longitudinal beam; 431. a main body; 432. flanging; 433. a cavity; 434. a bayonet; 435. connecting blocks; 436. a first bolt; 437. a second bolt; 438. a third bolt; 439. a connecting seat; 44. a cross beam; 441. a connecting member; 45. an outer skin; 46. an inner skin; 47. a filler material; 48. and (5) enhancing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 6, a bogie cabin floor structure is provided, wherein the periphery of a bogie cabin 1 is enclosed by a skirt board assembly 2 and a guide plate, and a bottom plate 4 is arranged at the bottom of the bogie cabin 1, wherein the skirt board assembly 2 and the guide plate are respectively arranged symmetrically in the width direction and the length direction of a vehicle body, and the bottom plate 4 is arranged symmetrically in the length direction of the vehicle body; the skirtboard assembly 2 comprises a fixed skirtboard 21 and a movable skirtboard 22, the movable skirtboard 22 corresponds to a bogie and is arranged in the middle of the skirtboard assembly 2, the bottom plate 4 is of a U-shaped structure and comprises a transverse plate part 41 and longitudinal plate parts 42 symmetrically arranged at two ends of the transverse plate part, the longitudinal plate parts 42 are close to the skirtboard assembly 2, a longitudinal beam 43 and a transverse beam 44 are arranged on one side of the bottom plate 4 facing a vehicle body, the longitudinal beam 43 is arranged along the length direction of the vehicle body, and the bottom plate 4 is fixedly connected with the skirtboard assembly 2 through the longitudinal beam 43.

Adopt the skirtboard and combine bottom plate 4's structure, realize the envelope to the bottom bogie, can further block inside impurities such as grit that the ground was brought up gets into the bogie at the high-speed in-process of traveling of train, the reinforcing safety of traveling can also reduce the windage and reduce the resistance that spare part produced the air current on the bogie, and then the noise reduction.

In the present application, in order to enhance the structural strength of the bottom plate 4, a plurality of cross beams 44 and longitudinal beams 43 perpendicular to each other are provided on the bottom plate 4, wherein the longitudinal beams 43 are provided on the bottom plate 4, the longitudinal plate portion 42 is fixedly connected with the fixed skirt board 21 through the longitudinal beams 43 provided thereon, and one end of the longitudinal beams 43 far away from the deflector is detachably connected with the movable skirt board 22.

Bottom plate 4 is located bogie cabin 1 bottom to with the bottom fixed connection of fixed skirtboard 21, specifically through on the vertical plate portion 42 be close to between the longeron 43 of skirtboard subassembly 2 and the installation stores pylon bottom on the fixed skirtboard 21, adopt bolt fixed connection, when making self firm installation in bogie cabin 1 bottom, do not influence the lifting of activity skirtboard 22, can also fall the back at activity skirtboard 22, fix activity skirtboard 22, reinforcing bogie cabin 1 overall structure's steadiness.

The first embodiment is as follows:

in the embodiment, as shown in fig. 2, the cross beam 44 is fixed on the longitudinal beam 43 through the connecting seat 439, and the cross beam 44 is fixedly connected with the deflector; a plurality of longitudinal beams 43 are provided on the lateral plate portion 41, a plurality of connecting sockets 439 are provided corresponding to the longitudinal beams 43, and the connecting sockets 439 are provided at one ends of the longitudinal beams 43 near the spoiler. The cross beam 44 is arranged in parallel with the air deflector, and one side of the cross beam 44, which is far away from the connecting seat 439, is attached to the air deflector.

The bottom plate 4 is structurally matched with the bogie and is U-shaped, the vertical plate part 42 of the bottom plate is arranged along the length direction of the vehicle body, the width of the surface of the bottom plate in the transverse direction is small, and the longitudinal beam 43 is arranged on the vertical plate part 42 to meet the structural strength of the vertical plate part 42; the width of the transverse plate portion 41 in the transverse direction is large, the transverse beam 44 needs to be arranged to enhance the structural strength of the transverse plate portion 41, as the optimization of the embodiment, one side of the transverse beam 44 is fixedly connected with the plurality of longitudinal beams 43 on the transverse plate portion 41 through the connecting seats 439, the other side of the transverse beam 44 is fixedly connected with the guide plate, the structure of the transverse plate portion 41 and the structure of the guide plate can be enhanced, and meanwhile, the difficulty and the steps of forming the transverse beam 44 and the longitudinal beams 43 on the transverse plate portion 41 at the same time are reduced.

The second embodiment:

in the present embodiment, as shown in fig. 6, the longitudinal beams 43 are symmetrically disposed on the two vertical plate portions 42, the transverse beam 44 is disposed on the transverse plate portion 41, and both ends of the transverse beam 44 are fixedly connected to the longitudinal beams 43 by the connecting members 441, respectively.

In the structure of the floor panel 4 of the present embodiment, the vertical plate portions 42 and the horizontal plate portions 41 have a large length in the length and width directions of the vehicle body, respectively, and therefore the provision of the side members 43 and the cross members 44 on the vertical plate portions 42 and the horizontal plate portions 41, respectively, enhances the overall structural strength of the floor panel 4.

EXAMPLE III

As preferred embodiments of the second and third embodiments, in the present embodiment, the materials and structures of the floor panel 4, the cross member 44, and the side members 43 are explained; specifically, the bottom plate 4 is integrally formed by composite materials and comprises an outer skin 45, an inner skin 46, a filling material 47 and a reinforcing block 48, wherein the filling material 47 and the reinforcing block 48 are arranged between the outer skin and the inner skin; the longitudinal beam 43 is fixedly connected with the bottom plate 4 through a first bolt 436, and the reinforcing block 48 is correspondingly arranged at the connection part of the first bolt 436 and the bottom plate 4.

The bottom plate 4 adopts a sandwich sheet structure of an outer skin 45, an inner skin 46 and a filling material 47, so that the manufacturing cost of the bottom plate 4 and the quality of the bottom plate 4 can be reduced while the rigidity requirement is met; the reinforcing blocks 48 are prefabricated in the filling material 47 at the positions of the bottom plate 4 where the first bolts 436 are installed, so that the longitudinal beams 43 are connected with the bottom plate 4 through the first bolts 436 without damaging the structural rigidity of the bottom plate 4, and the stability of the whole structure of the bottom plate 4 is ensured.

Further, the longitudinal beam 43 is formed by pultrusion of a composite material and comprises a main body 431 and flanges 432, wherein the main body 431 is provided with a cavity 433 along the length direction of the main body 431, and the flanges 432 are symmetrically arranged on two sides of the contact surface of the main body 431 and the bottom plate 4; a plurality of first bolts 436 are arranged on the flanges 432 along the length direction of the main body 431, and the flanges 432 and the reinforcing block 48 are fixedly connected by the first bolts 436.

The longitudinal beam 43 serves as a reinforcing structure of the bottom plate 4 and is used for connecting the apron plate assembly 2 and the connecting seat 439 at the same time, and fixing bolts are needed; the longitudinal beam 43 is pultruded and the interior hollow design can reduce cost and weight, and the position of the longitudinal beam 43 provided with the bolt is fixedly connected with the connecting block 435 in the cavity 433 of the longitudinal beam to enhance the rigidity requirement of the longitudinal beam 43.

Specifically, a connecting block 435 is arranged in the cavity 433, and the connecting block 435 is fixedly connected with the longitudinal beam 43 through a second bolt 437; a connecting block 435 is arranged at the joint of the longitudinal beam 43 and the skirt panel assembly 2, and the skirt panel assembly 2 is connected with the connecting block 435 through a third bolt 438.

As shown in fig. 2, the connection point of the longitudinal beam 43 and the movable skirt panel 22 is protruded from the bottom plate 4, and a bayonet 434 is opened on one side of the protruded portion facing the bottom plate 4, and a connection block 435 is arranged in the bayonet 434 and connected to the movable skirt panel 22 by a third bolt 438. The design of the bayonet 434 can be adapted to the double-skin structure of the edge of the movable skirt board 22, reserve a connection space with a sufficient height, and simultaneously can also meet the rigidity requirement of bolt connection.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bogie cabin bottom plate structure is characterized in that the periphery of a bogie cabin is enclosed by a skirt plate assembly and a guide plate, and a bottom plate is arranged at the bottom of the bogie cabin, wherein the skirt plate assembly and the guide plate are symmetrically arranged in the width direction and the length direction of a vehicle body respectively, and the bottom plate is symmetrically arranged in the length direction of the vehicle body;

2. The bogie bilge floor structure of claim 1, wherein a plurality of the longitudinal beams are provided on the floor, the longitudinal plate portion is fixedly connected to the fixed skirt by the longitudinal beams provided thereon, and an end of the longitudinal beam remote from the deflector is detachably connected to the movable skirt.

3. The bogie floor structure of claim 2 wherein the cross beam is secured to the longitudinal beam by a connecting base, the cross beam being fixedly connected to the deflector;

4. The bogie bilge plate structure of claim 3, wherein the cross beam is arranged in parallel with the deflector, and a side of the cross beam away from the connecting seat is attached to the deflector.

5. The bogie floor structure according to claim 2, wherein the longitudinal beams are symmetrically arranged on the two longitudinal plate portions, the transverse beams are arranged on the transverse plate portions, and two ends of each transverse beam are fixedly connected with the longitudinal beams through connecting pieces.

6. The bogie cabin floor structure according to any one of claims 4 and 5, wherein the floor is integrally formed of a composite material, comprising an outer skin and an inner skin with a filler material and a reinforcing block disposed therebetween;

7. The bogie bilge floor structure of claim 6, wherein the longitudinal beam is formed by pultrusion of a composite material and comprises a main body and flanges, the main body is provided with a cavity along the length direction of the main body, and the flanges are symmetrically arranged on two sides of the contact surface of the main body and the bottom plate;

8. The bogie floor structure of claim 7 wherein a connecting block is disposed within the cavity, the connecting block being fixedly connected to the longitudinal beam by a second bolt;

9. The truck deck floor structure according to claim 8, wherein a junction between the side member and the movable skirt is provided so as to protrude from the floor, and a side of the protruding portion facing the floor is provided with a bayonet in which the connecting block is provided and is connected to the movable skirt by the third bolt.