CN110667600A

CN110667600A - Three-module high-floor tramcar marshalling structure

Info

Publication number: CN110667600A
Application number: CN201911013002.3A
Authority: CN
Inventors: 毕海涛; 王晶晶; 黄鹏; 李钦扬
Original assignee: China Railway Transit Equipment Co Ltd
Current assignee: China Railway Transit Equipment Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-01-10

Abstract

The invention discloses a three-module high-floor tramcar marshalling structure, which comprises: the automobile body, install a plurality of bogies at the automobile body bottom, automobile body length is 34.5m, the automobile body includes first automobile body module, second automobile body module and third automobile body module, the bogie has 3, and the one-to-one is installed the bottom of first automobile body module, second automobile body module, third automobile body module to adjacent two the centre-to-centre spacing of bogie is 13.45 m. Through the mode, the invention adopts a grouping mode that three vehicle body modules and three bogies are matched with each other, and the center distance between two adjacent bogies is 13.45m, so that the axle weights of the bogies are relatively balanced in an overload state, and the requirements that a vehicle has better curve passing capacity (the minimum curve radius R50m), has better dynamic performance, reasonable workshop freedom degree configuration and meets the vehicle length of 34.5 meters are met.

Description

Three-module high-floor tramcar marshalling structure

Technical Field

The invention relates to the technical field of rail vehicles, in particular to a three-module high-floor tramcar marshalling structure.

Background

The high-floor tramcar is a rail car with a car floor equal to or less than 1130mm, the current domestic vehicle marshalling types are all marshalling types of articulated bogies (such as 2-module 3 bogies), the bogies are arranged between 2 modules, the marshalling types have the advantages of small axle weight (not more than 10t), small axle weight deviation and low requirement on the dead weight of the vehicle, and the bogie is arranged between the modules, so that the passenger carrying space in the vehicle is increased, and the defects of large number of bogies, complex structure of the articulated bogies and poor passing capability between the modules in the vehicle. The marshalling articulated bogie is limited by the installation space of the articulated device, cannot be provided with a traction motor and is a non-power bogie; this consist type has poor power performance due to the arrangement of articulated bogies between the vehicles.

Another type of grouping of trams is the form of a single car (the bogie is located in the center of the car body), which can bend. The front and rear bodies of the single-vehicle-type vehicle are connected in a hinged mode, the single-vehicle-type vehicle can be seen as a traditional rail vehicle, the vehicle body is split, the split vehicle body is connected through a hinge, the vehicle body has extra rotational freedom, and the capacity of the vehicle body is improved through curves. However, the problem arises that the redundant degrees of freedom of the vehicle body lead to bending between the vehicle bodies, which leads to unnecessary and undefined displacements and movements of the vehicle body when driving in straight lines, curves and in and out curves during actual operation. When emergency braking occurs or the vehicle is pushed for rescue, the bending phenomenon is more obvious. Severely affecting the kinetic performance.

Still another grouping type of tramcar is a floating car type (e.g., 5 module 3 bogie 2 suspension module), which has the advantages of small number of bogies, large internal space of passenger compartment, and good internal passage performance of passenger compartment; but not for marshalling patterns where the length of the vehicle body module is greater than 10 meters.

For a high-floor tramcar with a car length of more than 34 meters, a brand-new marshalling mode needs to be designed, so that the car has the performances of better curve passing capacity, better dynamic performance, reasonable workshop freedom degree and the like.

Disclosure of Invention

The invention mainly solves the technical problem of providing a three-module high-floor tramcar marshalling structure, which meets the requirements that the car has better curve passing capacity (the minimum curve radius R50m), better dynamic performance, reasonable workshop freedom degree configuration and the length of the car is more than 34 meters.

In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a three-module high-floor tramcar marshalling structure comprising: the automobile body, install a plurality of bogies at the automobile body bottom, automobile body length is 34.5m, the automobile body includes first automobile body module, second automobile body module and third automobile body module, the bogie has 3, and the one-to-one is installed the bottom of first automobile body module, second automobile body module, third automobile body module to one of them bogie is installed the bottom surface middle part of second automobile body module, adjacent two the centre-to-centre spacing of bogie is 13.45 m.

In a preferred embodiment of the invention, the first body module is connected to the second body module by a through passage for pivoting articulation, and the second body module is connected to the third body module by a through passage for free articulation.

In a preferred embodiment of the invention, the first and third body modules are equal in length and are each 13.85 m.

In a preferred embodiment of the invention, the width of each of the rotary hinge through passage and the free hinge through passage is 0.8 m.

In a preferred embodiment of the present invention, the car coupler is mounted on both the head portion of the first car body module and the head portion of the third car body module.

In a preferred embodiment of the present invention, air conditioning units are respectively mounted on the top of the first vehicle body module and the third vehicle body module, and a pantograph is mounted on the top of the second vehicle body module.

In a preferred embodiment of the present invention, the first, second and third body modules are each provided with a vehicle electrical equipment mounting interface at the bottom thereof.

In a preferred embodiment of the present invention, the height of the floor surface of the vehicle body is between 350 mm and 1130 mm.

In a preferred embodiment of the invention, the body is configured with 8 doors, 4 symmetrically disposed on each side.

In a preferred embodiment of the invention, the doors include 4 doors disposed on the first body module and 4 doors disposed on the third body module.

The invention has the beneficial effects that: the invention adopts a grouping mode that three vehicle body modules and three bogies are matched with each other, and the center distance between two adjacent bogies is 13.45m, so that the axle weights of the bogies are relatively balanced in an overload state, and the requirements that the vehicle has better curve passing capacity (the minimum curve radius R50m), has better power performance, reasonable workshop freedom degree configuration and the vehicle length is 34.5m are met.

Drawings

FIG. 1 is a schematic structural view of a tramcar marshalling structure with three modules and high floors according to a preferred embodiment of the present invention;

the parts in the drawings are numbered as follows: 1. the vehicle comprises a vehicle body, 11, a first vehicle body module, 12, a second vehicle body module, 13, a third vehicle body module, 2, a bogie, 3, a rotary hinge through passage, 4, a free hinge through passage, 5, a vehicle coupler, 6, an air conditioning unit, 7, a pantograph, 8 and a vehicle door.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1, the present invention includes:

a three-module high-floor tram consist structure comprising: the vehicle comprises a vehicle body 1 and a plurality of bogies 2 mounted at the bottom of the vehicle body 1; the number of the bogie 2 is 3, the bogie 2 is correspondingly arranged at the bottom of the first vehicle body module 11, the second vehicle body module 12 and the third vehicle body module 13, one bogie 2 is arranged in the middle of the bottom surface of the second vehicle body module 12, and the center distance between two adjacent bogies 2 is 13.45m, so that the axle weight of the bogie is relatively balanced in an overload state.

Specifically, the length of the vehicle body 1 is 34.5m, the vehicle body 1 comprises a first vehicle body module 11, a second vehicle body module 12 and a third vehicle body module 13, the first vehicle body module 11 is connected with the second vehicle body module 12 through a rotary hinge through passage 3, the second vehicle body module 12 is connected with the third vehicle body module 13 through a free hinge through passage 4, wherein the lengths of the first vehicle body module 11 and the third vehicle body module 13 are equal and are both 13.85m, the widths of the rotary hinge through passage 3 and the free hinge through passage 4 are both 0.8m, and the floor height of the vehicle body 1 is 350-1130 mm.

In this embodiment, the car coupler 5 is mounted on both the car head of the first car body module 11 and the car head of the third car body module 13, so as to meet the requirements of car rescue and collision energy absorption.

The air conditioning unit 6 is installed respectively at the top of first automobile body module 11 and third automobile body module 13, pantograph 7 is installed at the top of second automobile body module 12. The vehicle electrical equipment except the air conditioning unit 6 and the pantograph 7 are mounted at the bottom of the vehicle body 1, and for convenience of mounting, the bottom of each of the first vehicle body module 11, the second vehicle body module 12 and the third vehicle body module 13 is provided with a vehicle electrical equipment mounting interface.

In this embodiment, the vehicle body 1 is provided with 8 doors 8, 4 symmetrically arranged on each side. Of these 4 doors 8 are arranged on a first body module 11, and the other 4 doors are arranged on a third body module 13.

The invention relates to a three-module high-floor tramcar marshalling structure, which adopts a marshalling mode of three car body modules and three bogies, wherein the three bogies have the same structure and provide 6 steering shafts to bear the weight of a car body, and each steering shaft is GX1, GX2, GX3, GX4, GX5 and GX 6; the invention obtains the bogie axle weights as shown in the following table respectively by simulating the vehicle body in three different states of no load, full load and overload:

table one: axle weight of each steering shaft of bogie under no-load state of whole vehicle

Unloaded AW1	Axle weight (kg)
		Steering shaft GX1	8679.31
Steering shaft GX2	8679.31
		Steering shaft GX3	8440.28
Steering shaft GX4	8440.28
		Steering shaft GX5	8812.91
Steering shaft GX6	8812.91

Table two: axle weight of each steering shaft of bogie under full load state of whole vehicle

Full load AW2	Axle weight (kg)
		Steering shaft GX1	10764.97
Steering shaft GX2	10764.97
		Steering shaft GX3	10778.95
Steering shaft GX4	10778.95
		Steering shaft GX5	10898.57
Steering shaft GX6	10898.57

Table three: axle weight of each steering shaft of bogie under condition of vehicle overload

Overload AW3	Axle weight (kg)
		Steering shaft GX1	11467.40
Steering shaft GX2	11467.40
		Steering shaft GX3	11564.11
Steering shaft GX4	11564.11
		Steering shaft GX5	11600.99
Steering shaft GX6	11600.99

According to the above-mentioned simulation test data, when three bogies having the same structure are adopted, one of the bogies is installed in the middle of the bottom surface of the second vehicle body module, and the center distance between two adjacent bogies is 13.45m, the bogie axle weights of the vehicle bodies in the marshalling mode are relatively balanced in the overload state, and the running safety of the electric vehicle can be ensured.

Meanwhile, the movement position of the three-module high-floor tramcar marshalling structure under the difficult working condition is simulated by CAD, the curve passing capacity of the car coupler, the curve passing capacity of the rotary hinged through passage and the curve passing capacity of the free hinged through passage are analyzed, and the result that when a vehicle adopting the marshalling structure moves on the R50m curve, the rotation center of the car coupler is kept unchanged, the curve passing capacity of the rotary hinged through passage and the free hinged through passage do not interfere with the vehicle body, and the vehicle can freely pass through the curve.

In conclusion, the invention adopts a grouping mode that three vehicle body modules and three bogies are matched with each other, and the center distance between two adjacent bogies is 13.45m, so that the axle weights of the bogies are relatively balanced in an overload state, and the vehicle has better curve passing capacity (the minimum curve radius R50 m);

meanwhile, the vehicle body adopting the marshalling mode has better power performance, and has 60% of climbing capability and fault rescue capability;

in addition, the marshalling mode of the invention ensures that the vehicle body has reasonable workshop freedom and can meet the requirement of the vehicle length of 34.5 meters.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A three-module high-floor tram consist structure comprising: automobile body (1), install a plurality of bogie (2) in automobile body (1) bottom, its characterized in that, automobile body (1) length is 34.5m, automobile body (1) includes first automobile body module (11), second automobile body module (12) and third automobile body module (13), bogie (2) have 3, and the one-to-one correspondence is installed the bottom of first automobile body module (11), second automobile body module (12), third automobile body module (13) to one of them bogie (2) are installed the bottom surface middle part of second automobile body module (12), adjacent two the centre-to-centre spacing of bogie (2) is 13.45 m.

2. A three-module high-floor tram consist structure according to claim 1, characterised in that the first body module (11) is connected with the second body module (12) by means of a rotary articulated through-passage (3), and the second body module (12) is connected with the third body module (13) by means of a free articulated through-passage (4).

3. A three-module high-floor tram consist structure according to claim 2, characterised in that the first (11) and third (13) body modules are equal in length, both 13.85 m.

4. Three-module high-floor tramway marshalling structure according to claim 2, characterized in that the width of the rotary articulated through-passage (3) and the free articulated through-passage (4) are equal, each 0.8 m.

5. A three-module high-floor tram consist structure according to any of claims 1-4, characterized in that the car coupler (5) is mounted on the head of the first car body module (11) and the head of the third car body module (13).

6. A three-module high-floor tram consist structure according to any of claims 1-4, characterized in that air conditioning units (6) are mounted on the top of the first (11) and third (13) body modules, respectively, and a pantograph (7) is mounted on the top of the second body module (12).

7. A three-module high-floor tram consist structure according to any of claims 1-4, characterized in that the bottom of the first (11), second (12) and third (13) body modules are provided with vehicle electrical equipment mounting interfaces.

8. A three-module high-floor tram consist structure according to any of claims 1-4 characterized in that the height of the car body (1) floor is between 350-1130 mm.

9. A three-module high-floor tram consist structure according to any of claims 1-4, characterized in that the car body (1) is equipped with 8 doors (8), 4 symmetrically arranged on each side.

10. A three-module high-floor tram consist structure according to claim 9, characterised in that the doors (8) comprise 4 doors (8) arranged on the first body module (11), 4 doors (8) arranged on the third body module (13).