CN116873053A

CN116873053A - Trolley bus chassis and trolley bus

Info

Publication number: CN116873053A
Application number: CN202310737392.9A
Authority: CN
Inventors: 王顺; 王志俊; 郭威; 赵路杭; 许保磊; 杨世杰; 侯震冬
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-10-13

Abstract

The application provides a trolley bus underframe and a trolley bus, which belong to the technical field of vehicles and comprise two groups of cab modules and a plurality of groups of floor modules; the two groups of cab modules are spaced along the first direction and are symmetrically arranged; the plurality of groups of floor modules are sequentially arranged between the two groups of cab modules along the first direction; two groups of floor modules positioned at two ends are respectively connected with the corresponding cab modules; every two adjacent groups of floor modules are connected through hinge modules. The application is divided into two groups of cab modules, a plurality of groups of floor modules and a plurality of groups of hinge modules, and the modularized design ensures that the underframe has simple structure, clear layout and convenient implementation and assembly; the two groups of cab modules are symmetrically arranged, so that the running requirement of the trolley bus on two-way running can be met.

Description

Trolley bus chassis and trolley bus

Technical Field

The application belongs to the technical field of vehicles, and particularly relates to a trolley bus underframe and a trolley bus.

Background

The trolley bus is a novel vehicle between rail transit and a conventional bus, combines the modern bus technology with intelligent transportation management, has independent road rights in the running process, and enables the riding experience of the conventional bus system vehicle to be close to the subway standard, but the early investment and the later operation of the conventional bus system vehicle are far lower than the subway. In this context, trolleys have been favored in some cities.

The trolley bus underframe in the prior art is formed by welding a square tube structure, and has the advantages of complex structure, large assembly workload and low modularization degree.

Disclosure of Invention

The application aims to provide a trolley bus chassis and a trolley bus chassis, and aims to solve the technical problems of complex structure and low modularization degree of the trolley bus chassis in the prior art.

In order to achieve the above purpose, the application adopts the following technical scheme: provided is a trolley bus chassis including:

the two groups of cab modules are spaced along the first direction and are symmetrically arranged;

the plurality of groups of floor modules are sequentially arranged between the two groups of cab modules along the first direction; wherein, two groups of floor modules positioned at two ends are respectively connected with the corresponding cab modules; every two adjacent groups of floor modules are connected through hinge modules.

In one possible implementation, the cab module includes:

a first frame; a motor installation position is arranged in the first frame, and a coupler is arranged at the front end of the first frame; and

one end of the second frame is connected with the first frame, and the other end of the second frame is connected with the floor module; the second frame comprises two groups of axle mounting frames which are arranged at intervals along a second direction, and a middle frame which is used for connecting the two groups of axle mounting frames; the two groups of axle mounting frames protrude upwards relative to the first frame, and a first axle mounting position is arranged in the two groups of axle mounting frames;

the second direction is perpendicular to the first direction, and a plane formed by the second direction and the first direction is perpendicular to the height direction of the trolley bus chassis.

In some embodiments, an axle air spring mounting structure and a skin are arranged on the top of the axle mounting frame; the skin is positioned on the outer side of the axle air spring mounting structure; two groups of axle traction rod seats are arranged in the axle mounting frame.

In some embodiments, a mounting hole for assembling the motor is formed in the bottom surface of the first frame; and a motor mounting plate is arranged above the mounting opening in the first frame.

In some embodiments, reinforcing beams are respectively arranged on two sides of the first frame; one end of the reinforcing beam is connected with the middle part of the outer side face of the first frame, and the other end of the reinforcing beam extends outwards in an inclined mode and is connected with the end part of the front side face of the second frame.

In one possible implementation, the floor module includes:

the longitudinal beams are arranged at intervals along the second direction; each of the stringers extending in the first direction; and

the cross beams are arranged on the longitudinal beams at intervals along the first direction; each cross beam extends along the second direction, and two ends of each cross beam are respectively connected with two longitudinal beams positioned on two sides;

wherein, each longitudinal beam and each transverse beam are provided with a plurality of wire passing holes;

In one possible implementation, the hinge module includes:

the two groups of connecting frames are arranged at intervals along the first direction; one end of the connecting frame is provided with an end connecting structure, and two groups of end connecting structures are oppositely arranged; a second axle installation position is arranged in the connecting frame; and

and the hinge structure is connected between the two groups of end connection structures.

In one possible implementation, the end connection structure includes:

c-shaped end beams; the notch of the C-shaped end beam faces away from the hinge structure;

the reinforcing rib plates are arranged in the C-shaped end beam at intervals along the second direction;

a plurality of sets of longitudinal reinforcing plates; the longitudinal reinforcing plate is of a triangular plate structure, one end of the longitudinal reinforcing plate is connected with one of the reinforcing rib plates, and the other end of the longitudinal reinforcing plate extends away from the hinge structure along the first direction;

the buffer plate is arranged on the end face of the C-shaped end beam, which faces the hinge structure; the buffer plate is provided with a lightening hole; and

the hinge mounting seat is fixedly arranged in the middle area of the buffer plate;

In one possible implementation, the trolley bus underframe is provided with connecting plates on two sides respectively, and the connecting plates extend from the rear end of one group of cab modules to the rear end of the other group of cab modules.

The trolley bus underframe provided by the application has the beneficial effects that: compared with the prior art, the trolley bus chassis is divided into two groups of cab modules, a plurality of groups of floor modules and a plurality of groups of hinge modules, and the modularized design ensures that the chassis is simple in structure, clear in layout and convenient to implement and assemble; the two groups of cab modules are symmetrically arranged, so that the running requirement of the trolley bus on two-way running can be met.

The application also provides a trolley bus which comprises the trolley bus underframe; the trolley bus underframe is made of steel materials; and

the trolley body is fixedly arranged on the trolley bus underframe; the car body is made of aluminum materials.

The trolley bus provided by the application has the advantages that the structure of the trolley bus chassis is simplified, the layout form of bidirectional running of the vehicle is met, and the weight reduction of the whole trolley is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a trolley bus chassis provided by an embodiment of the present application;

fig. 2 is a schematic structural diagram of a cab module of a trolley bus chassis according to an embodiment of the present application;

fig. 3 is a schematic structural view of a second frame of the trolley bus chassis provided by the embodiment of the application;

fig. 4 is a schematic structural view of a floor module of a trolley bus chassis according to an embodiment of the present application;

fig. 5 is a schematic structural view of a hinge module of a trolley bus chassis according to an embodiment of the present application;

fig. 6 is a schematic structural view of an end connection structure of a trolley bus chassis according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a trolley bus according to an embodiment of the present application (only a front half structure of the trolley bus is shown in the drawing);

fig. 8 is an enlarged schematic view of the structure of circle a in fig. 7.

In the figure:

1. a cab module; 11. a first frame; 111. a motor installation position; 112. a motor mounting plate; 113. a stiffening beam; 12. a second frame; 121. an axle mounting rack; 122. a middle frame; 123. a first axle mounting location; 124. an axle hollow spring mounting structure; 1241. axle empty spring mounting seat; 1242. an axle hollow spring reinforcing supporting plate; 125. a skin; 126. an axle drawbar seat; 127. cab floor beams; 128. stairs beams; 129. reinforcing the oblique beam;

2. a floor module; 21. a longitudinal beam; 22. a cross beam; 23. a wire through hole;

3. a hinge module; 31. a connecting frame; 32. an end connection structure; 321. c-shaped end beams; 322. reinforcing rib plates; 323. longitudinal reinforcing plates; 324. a buffer plate; 325. a hinge mount; 33. a hinge structure; 34. a second axle mounting location;

4. a connecting plate;

5. and a vehicle body.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

Referring to fig. 1, a trolley bus chassis provided by the present application will now be described. The trolley bus underframe comprises two groups of cab modules 1, a plurality of groups of floor modules 2 and a plurality of groups of hinge modules 3. The two groups of cab modules 1 are spaced along the first direction and symmetrically arranged; the plurality of groups of floor modules 2 are sequentially arranged between the two groups of cab modules 1 along the first direction; wherein, two groups of floor modules 2 positioned at two ends are respectively connected with the corresponding cab modules 1; every two adjacent groups of floor modules 2 are connected through a hinge module 3.

The first direction in this embodiment refers to the longitudinal direction of the trolley bus, and is also the traveling direction of the trolley bus, and the two sets of cab modules 1 are symmetrically arranged along the width direction of the trolley bus.

The embodiment is provided with two groups of cab modules 1, wherein each group of cab modules 1 can be provided with a traction motor, that is, each group of cab modules 1 can be provided with a power source, and the two groups of cab modules 1 are symmetrically arranged, so that the trolley bus with the trolley bus underframe can realize bidirectional running.

Since the present embodiment provides a plurality of sets of floor modules 2, the cab module 1 and the floor modules 2 connected to the cab module 1 can be regarded as a head car, and the remaining floor modules 2 can be regarded as one intermediate car alone. Thus, in this embodiment, there are at least three sets of floor modules 2 and two sets of hinge modules 3.

Compared with the prior art, the trolley bus chassis is divided into two groups of cab modules 1, a plurality of groups of floor modules 2 and a plurality of groups of hinge modules 3, and the modularized design ensures that the chassis is simple in structure, clear in layout and convenient to implement and assemble; the two groups of cab modules 1 are symmetrically arranged, and can also meet the running requirement of the trolley bus for bidirectional running.

In some embodiments, the cab module 1 may have a structure as shown in fig. 2, and referring to fig. 2, the cab module 1 includes a first frame 11 and a second frame 12. A motor installation position 111 is arranged in the first frame 11, and a coupler is arranged at the front end of the first frame 11; one end of the second frame 12 is connected with the first frame 11, and the other end is connected with the floor module 2; the second frame 12 includes two sets of axle mounts 121 spaced apart in the second direction, and a middle frame 122 connecting the two sets of axle mounts 121; the two groups of axle mounting frames 121 protrude upwards relative to the first frame 11, and a first axle mounting position 123 is arranged inside the two groups of axle mounting frames 121; the second direction is perpendicular to the first direction, and a plane formed by the second direction and the first direction is perpendicular to the height direction of the trolley bus underframe.

The second direction described in this embodiment is the width direction of the trolley bus chassis, and is the left-right direction when the trolley bus travels.

The first frame 11 is provided with a motor mounting position 111, and the first frame 11 is mainly used for assembling a traction motor. The front end of the first frame 11 is also provided with a coupler which can be connected with a rescue vehicle so as to meet the rescue requirement of the trolley bus when an accident occurs.

The second frame 12 is provided with a first axle mounting location 123, and the second frame 12 is mainly used for assembling the axle, so that two sets of axle mounting brackets 121 protrude upward with respect to the first frame 11 to provide sufficient mounting space for the axle.

Specifically, the first frame 11 is formed by welding a plurality of square tubes distributed vertically and horizontally. The first frame 11 has a cubic structure as a whole.

In some embodiments, the second frame 12 may have a structure as shown in fig. 2, and referring to fig. 2, an axle spring mounting structure 124 and a skin 125 are disposed on top of the axle mounting frame 121; the skin 125 is located outside of the axle spring mounting structure 124; two sets of axle drawbar mounts 126 are provided within the axle mount 121.

The axle spring mounting structure 124 is used to secure the axle spring to bear the vertical force of the entire vehicle. Specifically, the axle air spring mounting structure 124 includes an axle air spring reinforcing bracket 1242 and an axle air spring mounting seat 1241, the axle air spring reinforcing bracket 1242 is disposed inside the axle mounting frame 121, and the axle air spring mounting seat 1241 is fixed on the axle air spring reinforcing bracket 1242, as shown in fig. 3.

Inside the axle mounting 121 are two sets of axle drawbar mounts 126, the axle drawbar mounts 126 for mounting a drawbar to carry longitudinal forces from the axle.

The thickness of the skin 125 is 1.5mm, and the skin 125 is arranged at the top of the axle mounting frame 121, and the skin 125 is positioned at the outer side, so that the situation that muddy water is carried into the chassis to damage the internal structure of the trolley bus when the wheels run can be prevented.

The axle mounting frame 121 is also formed by welding a plurality of square tubes which are distributed vertically and horizontally. Specifically, the interior of the axle mounting frame 121 is provided with cab floor beams 127 and stair beams 128; to increase the strength of the axle mount 121, a reinforcing diagonal beam 129 is also provided inside the axle mount 121, as shown in fig. 3.

In some embodiments, the first frame 11 may have a structure as shown in fig. 2, and referring to fig. 2, a bottom surface of the first frame 11 is provided with a mounting hole for assembling the motor; a motor mounting plate 112 is provided in the first frame 11 above the mounting opening.

The bottom surface of the first frame 11 is provided with a mounting opening, that is, the bottom surface of the first frame 11 is not provided with square tubes, a mounting opening is provided, an entry space is reserved for assembling the traction motor, and the traction motor enters the inside of the first frame 11 from the mounting opening and is fixed on the motor mounting plate 112.

Specifically, the motor mounting plate 112 is provided with two groups, which are respectively provided on both sides of the mounting opening.

In some embodiments, the structure shown in fig. 2 may be further adopted between the first frame 11 and the second frame 12, and referring to fig. 2, two sides of the first frame 11 are respectively provided with a reinforcing beam 113; one end of the reinforcement beam 113 is connected to a middle portion of the outer side surface of the first frame 11, and the other end of the reinforcement beam 113 extends obliquely outward and is connected to an end portion of the front side surface of the second frame 12.

Specifically, the width of the first frame 11 is smaller than the width of the second frame 12, that is, the left and right sides of the second frame 12 protrude outward with respect to the left and right sides of the first frame 11, respectively. And the stiffening beams 113 are respectively arranged between the two sides of the first frame 11 and the two sides of the second frame 12, so that the first frame 11 has a structure which is closed in a vehicle, the cab outer cover is attractive in appearance and accords with aerodynamics, and the integral strength of the first frame 11 is improved.

In some embodiments, the floor module 2 may have a structure as shown in fig. 4, referring to fig. 4, where the floor module 2 includes a plurality of stringers 21 and a plurality of beams 22; the longitudinal beams 21 are arranged at intervals along the second direction; each stringer 21 extends in a first direction; the plurality of cross members 22 are provided on the plurality of side members 21 at intervals in the first direction; each cross beam 22 extends along the second direction, and two ends of each cross beam 22 are respectively connected with two longitudinal beams 21 positioned at two sides; wherein, each longitudinal beam 21 and each transverse beam 22 are provided with a plurality of wire through holes 23;

specifically, the longitudinal beam 21 and the transverse beam 22 are both C-shaped steel. Each longitudinal beam 21 and each transverse beam 22 are provided with a plurality of wire passing holes 23, so that the requirements of the underframe wire passing can be met, and the overall weight of the floor module 2 is reduced.

In some embodiments, the hinge module 3 may have a structure as shown in fig. 5 and 6, and referring to fig. 5 and 6, the hinge module 3 includes two sets of connection frames 31 and a hinge structure 33. The two groups of connecting frames 31 are arranged at intervals along the first direction; one end of the connecting frame 31 is provided with an end connecting structure 32, and two groups of end connecting structures 32 are oppositely arranged; a second axle mounting position 34 is arranged inside the connecting frame 31; the hinge structure 33 is connected between the two sets of end connection structures 32.

Specifically, the link 31 is similar in construction to the second frame 12 and also includes two sets of axle mounts and an intermediate frame, each set having a second axle mount 34 thereon for mounting an axle. The two connecting frames 31 are provided with end connection structures 32 on opposite end surfaces thereof, respectively, and the two sets of end connection structures 32 are used for connecting the hinge structures 33.

Note that, the hinge structure 33 in this embodiment is a common hinge structure in existing railway vehicles, and therefore the specific structure of the hinge structure 33 is not described in this embodiment.

Preferably, referring to fig. 6, the end connection structure 32 includes a C-shaped end beam 321, a plurality of reinforcing rib plates 322, a plurality of longitudinal reinforcing plates 323, a buffer plate 324, and a hinge mount 325, based on the above embodiment. The notch of the C-shaped end beam 321 faces away from the hinge structure 33; the plurality of groups of reinforcing rib plates 322 are arranged in the C-shaped end beam 321 at intervals along the second direction; the longitudinal reinforcing plate 323 is a triangular plate structure, one end of the longitudinal reinforcing plate 323 is connected with one reinforcing rib plate 322, and the other end extends away from the hinge structure 33 along the first direction; the buffer plate 324 is disposed on an end surface of the C-shaped end beam 321 facing the hinge structure 33; the buffer plate 324 is provided with a lightening hole; the hinge mount 325 is fixedly disposed at a middle region of the buffer plate 324.

The C-shaped end beam 321 is mainly used for installing the hinge installation seat 325, and the buffer plate 324 is added between the C-shaped end beam 321 and the hinge installation seat 325, so that the vibration isolation performance can be improved, the direct collision of the C-shaped end beam 321 and the hinge installation seat 325 is avoided, and the service life is prolonged; in addition, the buffer plate 324 is provided with a lightening hole, and the lightening hole comprises a slotted hole group and a square hole group. The weight reducing holes are arranged on the buffer plate 324, so that the weight of the buffer plate 324 can be reduced, and the buffer plate 324 and the C-shaped end beam 321 are connected in a hole inner angle welding mode.

The plurality of sets of reinforcing rib plates 322 and the plurality of sets of longitudinal reinforcing plates 323 are arranged on one side of the C-shaped end beam 321, which is away from the hinge structure 33, and the extending ends of the plurality of sets of longitudinal reinforcing plates 323 are also connected with the connecting frame 31, so as to increase the overall strength of the end connecting structure 32 and bear the tensile force and the compressive force from the hinge structure 33.

In some embodiments, the trolley bus chassis may also adopt a structure as shown in fig. 7 and 8, and referring to fig. 7 and 8, two sides of the trolley bus chassis are respectively provided with a connecting plate 4, and the connecting plates 4 extend from the rear ends of one group of cab modules 1 to the rear ends of the other group of cab modules 1.

The rear end is defined in the distribution direction of the first frame 11 and the second frame 12, and the second frame 12 is defined to be located behind the first frame 11. The connection plates 4 extend from the rear ends of one set of cab modules 1 to the rear ends of another set of cab modules 1, that is, the connection plates 4 extend from the rear end of one second frame 12 to the rear end of the other second frame 12. Specifically, the connection plate 4 encloses the rear end side edges of the two second frames 12 and the side edges of the plurality of floor modules 2.

The connection plate 4 is used for being connected with the trolley body 5, specifically, the connection plate 4 is riveted with the trolley chassis and welded with the trolley body 5, or the connection plate 4 is welded with the trolley chassis and riveted with the trolley body 5, or the connection plate 4 is freely connected with the trolley chassis and the trolley body 5 in a welding and riveting mode according to the connection part. The connecting plate 4 is added on the side edge of the trolley bus underframe, so that the trolley bus underframe can be quickly installed with the trolley body 5.

Based on the same inventive concept, the embodiment of the application also provides a trolley bus, which comprises the trolley bus chassis and a trolley body 5; the trolley bus underframe is made of steel materials; the trolley body 5 is fixedly arranged on the trolley bus underframe; the vehicle body 5 is made of aluminum.

The trolley bus underframe is made of steel and has enough strength to support the trolley body 5; the car body 5 is made of aluminum, so that the weight of the whole car can be reduced, and the trolley bus can meet the design requirement of light weight.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. A trolley bus chassis, comprising:

the two groups of cab modules (1) are spaced along the first direction and are symmetrically arranged;

the plurality of groups of floor modules (2) are sequentially arranged between the two groups of cab modules (1) along the first direction; wherein, two groups of floor modules (2) positioned at two ends are respectively connected with the corresponding cab modules (1); every two adjacent groups of floor modules (2) are connected through a hinge module (3).

2. Trolley bus chassis according to claim 1, characterized in that the cab module (1) comprises:

a first frame (11); a motor installation position (111) is arranged in the first frame (11), and a coupler is arranged at the front end of the first frame (11); and

a second frame (12) having one end connected to the first frame (11) and the other end connected to the floor module (2); the second frame (12) comprises two groups of axle mounting frames (121) which are arranged at intervals along the second direction, and a middle frame (122) which is connected with the two groups of axle mounting frames (121); the two groups of axle mounting frames (121) protrude upwards relative to the first frame (11), and a first axle mounting position (123) is arranged in the two groups of axle mounting frames (121);

3. Trolley bus chassis according to claim 2, characterized in that the top of the axle mounting frame (121) is provided with an axle empty spring mounting structure (124) and a skin (125); the skin (125) is positioned outside the axle air spring mounting structure (124); two groups of axle traction rod seats (126) are arranged in the axle mounting frame (121).

4. Trolley chassis according to claim 2, characterized in that the bottom surface of the first frame (11) is provided with a mounting opening for the assembly of a motor; a motor mounting plate (112) is arranged in the first frame (11) above the mounting opening.

5. Trolley chassis according to claim 2, characterized in that the first frame (11) is provided with stiffening beams (113) on both sides, respectively; one end of the reinforcing beam (113) is connected with the middle part of the outer side surface of the first frame (11), and the other end of the reinforcing beam (113) extends outwards in an inclined mode and is connected with the end part of the front side surface of the second frame (12).

6. Trolley chassis according to claim 1, characterized in that the floor module (2) comprises:

a plurality of stringers (21) arranged at intervals along the second direction; -each of said stringers (21) extending along said first direction; and

a plurality of cross members (22) provided at intervals in the first direction on a plurality of the side members (21); each cross beam (22) extends along the second direction, and two ends of each cross beam (22) are respectively connected with two longitudinal beams (21) positioned at two sides;

wherein, each longitudinal beam (21) and each transverse beam (22) are provided with a plurality of wire through holes (23);

7. Trolley chassis according to claim 1, characterized in that the hinge module (3) comprises:

two groups of connecting frames (31) which are arranged at intervals along the first direction; one end of the connecting frame (31) is provided with an end connecting structure (32), and two groups of end connecting structures (32) are oppositely arranged; a second axle installation position (34) is arranged in the connecting frame (31); and

and a hinge structure (33) connected between two sets of said end connection structures (32).

8. Trolley chassis according to claim 7, characterized in that said end connection (32) comprises:

a C-shaped end beam (321); the notch of the C-shaped end beam (321) faces away from the hinge structure (33);

the reinforcing rib plates (322) are arranged in the C-shaped end beam (321) at intervals along the second direction;

a plurality of sets of longitudinal stiffening plates (323); the longitudinal reinforcing plate (323) is of a triangular plate structure, one end of the longitudinal reinforcing plate (323) is connected with one reinforcing rib plate (322), and the other end of the longitudinal reinforcing plate extends away from the hinge structure (33) along the first direction;

a buffer plate (324) provided on an end surface of the C-shaped end beam (321) facing the hinge structure (33); the buffer plate (324) is provided with a lightening hole; and

a hinge mount (325) fixedly disposed at a middle region of the buffer plate (324);

9. Trolley bus chassis according to claim 1, characterized in that the trolley bus chassis is provided with connection plates (4) on both sides, respectively, which connection plates (4) extend from the rear end of one set of cab modules (1) to the rear end of the other set of cab modules (1).

10. A trolley bus, comprising:

a trolley bus chassis as claimed in any one of claims 1 to 9; the trolley bus underframe is made of steel materials; and

the trolley body (5) is fixedly arranged on the trolley bus underframe; the car body (5) is made of aluminum.