CN109808725B

CN109808725B - Control vehicle chassis and control vehicle

Info

Publication number: CN109808725B
Application number: CN201711172264.5A
Authority: CN
Inventors: 侯亚辉; 张国栋; 郭金城; 贾志言; 孟林林; 王智群; 李志申
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2020-10-16
Anticipated expiration: 2037-11-22
Also published as: WO2019100719A1; CN109808725A

Abstract

A control vehicle chassis and a control vehicle relate to the rail transit technology. The control car comprises an end wall and a cab, wherein the end wall and the cab are respectively located at the front end and the rear end of the underframe, traction beams are fixed on the bottom surfaces of the front end and the rear end of the underframe, and the traction beams are formed by bending steel plates. The underframe further comprises a sleeper beam upper cover plate and a sleeper beam web plate, the sleeper beam web plate is fixed at the front end and the rear end of the sleeper beam inner cross beam, the sleeper beam upper cover plate is arranged at the top of the sleeper beam web plate, a corrugated floor is arranged in an area between the sleeper beam upper cover plate and the sleeper beam web plate, which are arranged at the front end and the rear end of the sleeper beam inner cross beam, the upper surface of the corrugated floor is connected with the lower surface of the sleeper beam upper cover plate, and the side wall of the corrugated floor is connected with the inner side wall of the sleeper. The invention also provides a control vehicle.

Description

Control vehicle chassis and control vehicle

Technical Field

The application relates to the rail transit technology, specifically relates to a control vehicle underframe and control vehicle.

Background

The 25-type passenger car has been operated for years, a plurality of technologies have been gradually updated, and a plurality of novel structures and design concepts are applied to the design, so that the running stability and the comfort of the whole car are greatly improved.

The automobile body chassis is the key load-bearing member of automobile body steel construction, has played vital function to the safe operation of whole car, need compromise the requirement of lightweight under the reliable prerequisite of assurance intensity during the design, current automobile body chassis design is shown as figure 1, in order to satisfy the needs of big parts installation such as under-car battery box and braking reservoir, the automobile body chassis has designed battery box and has hung the seat with hanging in installation such as seat and braking seat, hang the seat welding in the pillow, on the outer crossbeam, hang the seat and provide the installation interface for big parts such as battery box and braking reservoir. However, most parts such as the battery box under the vehicle, the brake air cylinder and the like have universal models, so that the installation interfaces on the vehicle body are basically unified. For the existing vehicle body underframe structure, when a new vehicle type underframe is designed, a hanging seat needs to be redesigned, and the size, welding, technical requirements and the like related to the hanging seat are marked again. The repetitive work is more, the error is easy to occur and the efficiency is low.

In addition, a draft sill part is designed on the underframe, a coupler is connected with the draft sill part, most of the force of vehicle coupling is borne, the draft sill part belongs to a key part borne by the underframe, and the structure of the existing draft sill is shown in fig. 2 and 3. At present, 25 type underframe towing beam components are formed by welding 300X85X7.5 standard channel steel in a splicing mode, the channel steel is made of Q235B, and the yield strength of the material is relatively low. The channel steel is the section steel, as shown in fig. 2 and 3, the channel steel needs to be cut into 3 parts and then welded, the forming process is poor, and a large amount of waste is caused. The tailor-welding increases the manufacturing workload, and the welding requirement of the tailor-welding position is higher because the draw beam bears key components for the underframe. Install the coupling mount pad on the draw beam for install the hook, the fixed mode of present coupling mount pad on the draw beam is for riveting, needs reserve out operating space for the rivet riveting, also need consider the problem of installation operating space during the design, increases the design degree of difficulty.

In addition, an iron floor is arranged in the underframe sleeper, the iron floor is mostly a corrugated floor, the corrugated floor extends to a sleeper beam web, and the connection mode of the corrugated floor and the sleeper beam is shown in fig. 4 at present. The assembly process according to the existing connection mode sequentially comprises the following steps: firstly welding the upper cover plate and the web plate of the sleeper beam, and then assembling and welding the corrugated floor. Because the height of the corrugated floor is not easy to control by 30mm, when the corrugated floor is assembled, the end of the corrugated floor needs to be adjusted and repaired and then inserted into the lower part of the upper cover plate of the sleeper beam, the requirement on the assembly precision is high, and the adjustment and repair workload is increased.

Disclosure of Invention

In order to solve one of the technical problems, the invention provides a control vehicle chassis which comprises an end wall and a cab, wherein the end wall and the cab are respectively positioned at the front end and the rear end of the chassis, traction beams are fixed on the bottom surfaces of the front end and the rear end of the chassis, and the traction beams are formed by bending steel plates.

Preferably, a coupler mounting seat is mounted on the towing beam close to the end wall side of the control car through rivets.

Preferably, a coupler mounting seat is welded on the towing beam close to the cab side of the control vehicle.

Preferably, the chassis still includes stiffening plate and U type gusset, the left and right sides that leans on near-end wall side and is close to the draw beam of cab side is fixed with the stiffening plate, the one end and one of them stiffening plate of U type gusset are connected, the other end and another stiffening plate of U type gusset are connected, just the inboard and the coupling mount pad of the bottom surface of U type gusset are connected.

Preferably, the both sides of being close to the draw beam of cab side are provided with the front end structure, the front end structure is closed cavity, the barrier removal ware is installed to the bottom of front end structure.

Preferably, the underframe comprises a passenger compartment side beam and a cab side beam, the cab side beam is higher than the passenger compartment side beam, and a connecting beam is fixed between the cab side beam and the passenger compartment side beam.

Preferably, a rib plate is arranged inside the connecting beam, and two ends of the rib plate are respectively connected with the cab side beam and the passenger compartment side beam.

Preferably, the control vehicle comprises doors symmetrical to each other, and the passenger compartment side rail is divided into a left part and a right part, wherein the left part is fixed on the left side of the control vehicle door, and the right part is fixed on the right side of the control vehicle door.

Preferably, a cross-frame structure is provided on the underframe between the symmetrical doors, and the end points of the cross-frame structure extend toward and are connected to the passenger compartment side rails.

Preferably, the underframe further comprises an outer sleeper beam which is arranged on the side of the end wall, and the outer sleeper beam is welded with a toilet stool hoisting module.

Preferably, the underframe further comprises an inner sleeper beam which is arranged in the passenger compartment, and the inner sleeper beam is welded with a battery box hoisting module and a brake air cylinder hoisting module.

Preferably, the underframe further comprises a sleeper beam upper cover plate and a sleeper beam web plate, the sleeper beam web plate is fixed at the front end and the rear end of the sleeper beam inner cross beam, the sleeper beam upper cover plate is arranged at the top of the sleeper beam web plate, a corrugated floor is arranged in an area between the sleeper beam upper cover plate and the sleeper beam web plate, which are arranged at the front end and the rear end of the sleeper beam inner cross beam, the upper surface of the corrugated floor is connected with the lower surface of the sleeper beam upper cover plate, and the side wall of the corrugated floor is connected with the inner side wall of the sleeper beam web plate.

Preferably, the chassis is still including connecting the closure plate, connect the closure plate for falling the T style of calligraphy, it includes flat board and riser to connect the closure plate, the riser is vertical to be fixed on flat board, a side of riser and the terminal surface fixed connection of sleeper beam upper cover plate, with a side syntropy flat terminal surface and sleeper beam web fixed connection of riser, another side of riser and with another side syntropy flat upper surface of riser is connected with the lateral wall and the lower surface on ripple floor respectively.

In order to solve the technical problem, the invention further provides a control vehicle which comprises the control vehicle chassis.

Preferably, the outer side wall of the cab boundary beam fixed at the bottom of the cab and the outer side wall of the skirt board fixed at the bottom of the cab boundary beam are located on the same curved surface.

Preferably, the outer side walls of the cab, the cab edge beam and the skirt board are all coated with curved skins.

The invention has the following beneficial effects:

the pillow outer cross beam and the pillow inner cross beam adopt the universal hanging seat mounting interfaces, so that the pillow outer cross beam and the pillow inner cross beam can be directly used as a standard module during the subsequent new vehicle type design, the design efficiency is improved, and the error rate is reduced. Meanwhile, the draw beam structure formed by bending the plates is adopted to replace the existing tailor-welded draw beam structure, so that the process formability is better, the welding amount is reduced, and the carrying capacity of the draw beam is improved. In addition, the installation mode of the coupler installation seat and the draft sill is changed, and the problem of limited space during riveting is solved by adopting a welding mode. Meanwhile, the rib plates are arranged on the mounting seat, so that the strength of the mounting seat is ensured. In addition, when the corrugated floor is connected with the sleeper beam, the invention relates to a structure for connecting the blocking plates, thereby facilitating the welding and assembly of the corrugated floor and reducing the workload of adjustment and repair.

Drawings

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

FIG. 1 is a schematic structural view of a conventional control vehicle chassis;

FIG. 2 is a front view of a conventional draft sill;

FIG. 3 is a top view schematic of the draft sill of FIG. 2;

FIG. 4 is a schematic view illustrating the installation of a conventional corrugated floor;

fig. 5 is a front view schematically illustrating the structure of the draft sill 1 according to the present embodiment;

FIG. 6 is a schematic top view of the structure of FIG. 5;

fig. 7 is a schematic bottom structure view of the bottom chassis according to the present embodiment;

FIG. 8 is a schematic top view of the bottom surface of the present embodiment;

FIG. 9 is an enlarged view of part A of FIG. 8;

FIG. 10 is a schematic view of the installation of the stiffening plate 4 and the U-shaped rib plate 5;

FIG. 11 is a view from the A-A direction of FIG. 10;

fig. 12 is a schematic structural view of the reinforcing plate 4;

FIG. 13 is a schematic structural view of a U-shaped rib plate 5;

fig. 14 is a schematic sectional view of the passenger compartment side sill 6;

fig. 15 is a schematic cross-sectional view of the cab edge rail 7;

fig. 16 is a schematic structural view in which the passenger compartment side member 6 and the cab side member 7 are fixed by the connecting member 8;

FIG. 17 is a top view of FIG. 16;

FIG. 18 is a schematic view of the cross-shaped frame structure according to this embodiment;

FIG. 19 is a schematic view of the construction of the outer cross member of the pillow;

FIG. 20 is a top view of FIG. 19;

FIG. 21 is a view from the A-A direction of FIG. 19;

FIG. 22 is a view taken along line A of FIG. 21;

FIG. 23 is a view from the direction B of FIG. 21;

FIG. 24 is a view from the B-B direction of FIG. 19;

FIG. 25 is a view from the direction C-C of FIG. 19;

FIG. 26 is a schematic view of the construction of the cross bar within the pillow;

FIG. 27 is a view from the A-A direction of FIG. 26;

FIG. 28 is a view from the B-B direction of FIG. 26;

FIG. 29 is a view in the direction C-C of FIG. 26;

FIG. 30 is a view from direction D-D of FIG. 26;

FIG. 31 is an E-E view of FIG. 26;

FIG. 32 is a view from direction F-F of FIG. 26;

FIG. 33 is a schematic view showing the installation structure of the corrugated floor 14 according to the present embodiment;

fig. 34 is a schematic perspective view of the cab, the cab edge rail 7 and the skirt board 16;

fig. 35 is a schematic plan view of the cab, the cab edge rail 7 and the skirt board 16.

Reference numerals:

1. draft sill, 2, coupler mount pad, 3, front end structure, 4, stiffening plate, 5, U type gusset, 6, passenger compartment boundary beam, 7, cab boundary beam, 8, tie-beam, 9, gusset, 10, sleeper beam upper cover plate, 11, sleeper beam web, 12, riser, 13, flat board, 14, ripple floor, 15, the lateral wall of cab, 16, the apron.

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.

As shown in fig. 5 to 7, this embodiment provides a control vehicle chassis, the control vehicle includes headwall and cab, headwall and cab are located the front and back both ends of chassis respectively, all be fixed with towing beam 1 on the bottom surface at the front and back both ends of chassis, towing beam 1 adopts the steel sheet to bend the shaping.

Specifically, the draft sill 1 described in this embodiment is 8mm thick, and the material is bent and formed for the Q345E steel sheet, has reduced the welding volume of tailor-welding, has improved intensity simultaneously.

Further, as shown in fig. 8 and 9, the draft sill 1 at both ends is provided with a coupler mounting seat 2, wherein the draft sill 1 at the side can still be mounted with the coupler mounting seat 2 by rivets because the space near the control car end wall side is large and the number of accessories is small. However, the space of the draft sill 1 near the cab of the control car is limited on the opposite end wall side, and accessories such as a barrier guard are mounted on the lower portion of the draft sill 1, and if the coupler mounting seat 2 on the side is still riveted, the rivet cannot be removed and repaired subsequently, so that the coupler mounting seat 2 on the draft sill 1 near the cab of the control car is fixedly connected by welding. Meanwhile, in order to ensure the installation of the barrier remover, front end structures 3 of which the structures are closed cavities are arranged on two sides of the traction beam 1.

In order to ensure the connection strength between the coupler mounting seat 2 and the draft sill 1, as shown in fig. 10 and 11, the underframe further comprises reinforcing plates 4 and U-shaped rib plates 5, the structure of each reinforcing plate 4 is as shown in fig. 12, the structure of each U-shaped rib plate 5 is as shown in fig. 13, the reinforcing plates 4 are fixed on the left side and the right side of the draft sill 1 close to the near-end wall side and the cab side, one end of each U-shaped rib plate 5 is connected with one reinforcing plate 4, the other end of each U-shaped rib plate 5 is connected with the other reinforcing plate 4, and the inner side of the bottom surface of each U-shaped rib plate 5 is connected with the coupler mounting seat 2.

Further, as shown in fig. 14 to 17, the underframe of the present embodiment includes a passenger compartment side rail 6 and a cab side rail 7, the cab side rail 7 is higher than the passenger compartment side rail 6, and a connecting beam 8 is fixed between the cab side rail 7 and the passenger compartment side rail 6.

Specifically, the passenger compartment side beams 6 and the cab side beams 7 have a height difference in the height direction, in order to ensure smooth connection between the passenger compartment side beams 6 and the cab side beams 7 and continuity of stress transmission, the connecting beam 8 structure is arranged on the connecting surface of the two side beams, the rib plate 9 is arranged inside the connecting beam 8, and the rib plate 9 is connected with the sections of the passenger compartment side beams 6 and the cab side beams 7, so that continuity of stress transmission is ensured.

Further, as shown in fig. 18, the control car includes doors symmetrical to each other, and the passenger compartment side member 6 is divided into a left part and a right part, wherein the left part is fixed to the left side of the control car door, and the right part is fixed to the right side of the control car door.

In particular, in order to facilitate the installation of door-related components such as the plug door and the kick panel, the passenger compartment edge 6 is broken at the door position, which also facilitates the passage of passengers. However, the strength of the underframe between the doors is affected by the break of the side sill, and for this purpose, a cross-frame structure is provided between the doors, and the ends of the cross-frame structure extend toward and are connected to the passenger compartment side sill 6. The frame structure can ensure the continuity of the underframe. Except for the adoption of the # -shaped frame structure in the embodiment, the design can be realized by a scheme of designing the middle beam, and the middle beam can be of a full-length structure and is connected with two sleeper beams.

Further, the underframe of the embodiment further comprises an outer pillow beam and an inner pillow beam. As shown in fig. 19 to 25, the outer sleeper beam is arranged on the headwall side, and a toilet stool hoisting module is welded on the outer sleeper beam. As shown in fig. 26 to 32, the pillow inner cross member is provided in the passenger compartment, and the battery box hoist module and the brake reservoir hoist module are welded to the pillow inner cross member.

Specifically, a toilet bowl collecting hanging seat is welded on the outer cross beam of the bottom frame pillow in a welding mode, mounting seats such as a battery box hanging seat and a brake air cylinder hanging seat are welded on the inner cross beam of the pillow in a welding mode, and as toilet bowl collecting equipment under a vehicle and equipment such as a battery box and a brake air cylinder are generalized, mounting interfaces of the hanging seats are also generalized, and when the bottom frame is designed in a drawing, a toilet bowl collecting hanging module, a storage battery box hanging module and a brake hanging module are designed. Therefore, standardization and modularization of all the installation seats are achieved, the installation seats can be directly used for the design of subsequent new vehicle types, and design efficiency is improved.

Further, the underframe further comprises a sleeper beam upper cover plate 10 and a sleeper beam web plate 11, the sleeper beam web plate 11 is fixed at the front end and the rear end of the sleeper beam, the sleeper beam upper cover plate 10 is arranged at the top of the sleeper beam web plate 11, a corrugated floor 14 is arranged in an area between the sleeper beam upper cover plate 10 and the sleeper beam web plate 11, the upper surface of the corrugated floor 14 is connected with the lower surface of the sleeper beam upper cover plate 10, and the side wall of the corrugated floor 14 is connected with the inner side wall of the sleeper beam web plate 11.

Specifically, the connection mode of the corrugated floor 14 is not different from the prior art, and there is still a problem of difficult installation, so in this embodiment, a connection block is provided between the corrugated floor 14 and the bolster web 11 and the bolster upper cover plate 10, as shown in fig. 33, the connection block is in an inverted T shape, the connection block includes a flat plate 13 and a vertical plate 12, the vertical plate 12 is vertically fixed on the flat plate 13, one side surface of the vertical plate 12 is fixedly connected with the end surface of the bolster upper cover plate 10, the end surface of the flat plate 13 in the same direction as the one side surface of the vertical plate 12 is fixedly connected with the bolster web 11, and the other side surface of the vertical plate 12 and the upper surface of the flat plate 13 in the same direction as the other side surface of the vertical plate 12 are respectively connected with the side wall and the lower surface of the corrugated floor 14.

Taking the side close to the end wall as an example, the left side surface of the vertical plate 12 of the connecting closure plate is connected with the sleeper beam upper cover plate 10, the left side wall of the flat plate 13 is connected with the sleeper beam web 11, so that a rectangular space is formed between the connecting closure plate and the sleeper beam upper cover plate 10 as well as between the connecting closure plate and the sleeper beam web 11, and the right side surface of the vertical plate 12 of the connecting closure plate is connected with the corrugated floor 14, so that the positions between the corrugated floor 14 and the sleeper beam upper cover plate 10 are relatively independent, and the respective installation and welding are not influenced.

This embodiment has still provided a control car, the control car includes the aforesaid control car chassis.

Further, as shown in fig. 34 and 35, the outer side wall 15 of the cab, the outer side wall of the cab edge rail 7 fixed to the bottom of the cab, and the outer side wall of the skirt panel 16 fixed to the bottom of the cab edge rail 7 are located on the same curved surface.

Specifically, the cab, the side beams and the skirt board 16 can be in smooth transition to form a streamline appearance structure, so that the attractiveness is improved, and the wind resistance is reduced. Meanwhile, the outer side walls of the cab, the cab edge beam 7 and the skirt board 16 are all coated with curved skins.

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

Claims

1. A control vehicle underframe comprises an end wall and a cab, wherein the end wall and the cab are respectively positioned at the front end and the rear end of the underframe;

the chassis further comprises reinforcing plates and U-shaped rib plates, the reinforcing plates are fixed on the left side and the right side of the outer surface of the draft sill close to the side of the near-end wall and the side close to the cab and close to the car coupler mounting seat, the U-shaped rib plates are fixed on the inner surface of the draft sill, the left side wall and the right side wall of each U-shaped rib plate are fixedly connected with the draft sill, and the bottom surfaces of the U-shaped rib plates are fixedly connected with the car coupler mounting seat;

one end of the U-shaped rib plate is connected with one reinforcing plate, and the other end of the U-shaped rib plate is connected with the other reinforcing plate;

the chassis further includes an inner bolster cross member disposed in the passenger compartment;

the underframe further comprises a sleeper beam upper cover plate and a sleeper beam web plate, the sleeper beam web plate is fixed at the front end and the rear end of the sleeper beam inner cross beam, the sleeper beam upper cover plate is arranged at the top of the sleeper beam web plate, and a corrugated floor is arranged in an area between the sleeper beam upper cover plate and the sleeper beam web plate which are arranged at the front end and the rear end of the sleeper beam inner cross beam;

the bottom frame further comprises a connecting plug plate, the connecting plug plate is in an inverted T shape, the connecting plug plate comprises a flat plate and a vertical plate, and the vertical plate is vertically fixed on the flat plate; one side surface of the vertical plate is fixedly connected with the end surface of the upper cover plate of the sleeper beam, and the end surface of the flat plate in the same direction as one side surface of the vertical plate is fixedly connected with the web of the sleeper beam, so that a rectangular space is formed between the connecting blocking plate and the upper cover plate of the sleeper beam as well as the web of the sleeper beam; the other side surface of the vertical plate and the upper surface of the flat plate in the same direction as the other side surface of the vertical plate are respectively connected with the side wall and the lower surface of the corrugated floor.

2. The control vehicle underframe according to claim 1, wherein a coupler mounting seat is mounted on the draft sill near the end wall side of the control vehicle through rivets.

3. Control car chassis according to claim 1 or 2, characterized in that the coupling mount is welded to the trailing beam near the cab side of the control car.

4. The control vehicle underframe according to claim 1, wherein front end structures are arranged on two sides of the traction beam close to the cab side, the front end structures are closed cavities, and a barrier remover is arranged at the bottom of the front end structures.

5. The control vehicle chassis of claim 1, said chassis including a passenger compartment side rail and a cab side rail, said cab side rail being higher than said passenger compartment side rail, and a connecting rail being secured between said cab side rail and said passenger compartment side rail.

6. The control vehicle underframe according to claim 5, wherein a rib plate is arranged inside the connecting beam, and two ends of the rib plate are respectively connected with the cab side beam and the passenger compartment side beam.

7. The control vehicle chassis according to claim 5 or 6, wherein the control vehicle comprises doors that are symmetrical to each other, and wherein the passenger compartment side rail is divided into left and right portions, wherein the left portion is fixed to a left side of the control vehicle door, and the right portion is fixed to a right side of the control vehicle door.

8. The control vehicle chassis of claim 7, wherein a well-shaped frame structure is provided on the chassis between the symmetrical doors, and the ends of the well-shaped frame structure extend toward and connect to the passenger compartment side rails.

9. The control vehicle underframe of claim 1, wherein the underframe further comprises an outer sleeper beam arranged on the end wall side, and a toilet bowl hoisting module is welded on the outer sleeper beam.

10. The control vehicle underframe of claim 9, wherein a battery box hoisting module and a brake reservoir hoisting module are welded on the sleeper inner cross beam.

11. A control cart characterized in that it comprises a control cart chassis according to any of claims 1 to 10.

12. The control cart of claim 11, wherein the outer side walls of the cab, the cab edge rail fixed to the bottom of the cab, and the skirt panel fixed to the bottom of the cab edge rail are located on the same curved surface.

13. The control cart of claim 11 or 12, wherein the outer side walls of the cab, cab edge rails, and skirt panels are all clad with a curved skin.