WO2017049996A1

WO2017049996A1 - Mounting base for articulation mechanism of low-floor tramcar

Info

Publication number: WO2017049996A1
Application number: PCT/CN2016/090035
Authority: WO
Inventors: 王媛媛; 张德峰; 张弛; 王维; 董静; 张晓珍; 刘英博; 邓锐; 曾勇; 田菲
Original assignee: 中车南京浦镇车辆有限公司
Priority date: 2015-09-24
Filing date: 2016-07-14
Publication date: 2017-03-30
Also published as: CN105216827A; CN105216827B

Abstract

A mounting base for an articulation mechanism of a low-floor tramcar comprises a car body mounting plate (1), a trapezoidal connection column (2), and an I-shaped rib plate (3), an upper bottom plate (21) of the trapezoidal connection column (2) being fixedly connected to the I-shaped rib plate (3), and a lower bottom plate of the trapezoidal connection column (2) being fixedly connected to the car body mounting plate (1); the I-shaped rib plate (3) comprises an upper ejection plate (31), a lower ejection plate (32) and a vertical support pillar (35), articulation mechanism mounting surfaces (33) provided with bolt mounting holes (34) being respectively arranged on the upper ejection plate (31) and the lower ejection plate (32); and a mounting groove (36) is provided on the vertical support pillar (35). The mounting base has an integral cast structure, and is concentrated in stress, high in carrying capacity, compact in structure and convenient to manufacture, install and maintain. Furthermore, by further designing a plurality of lightening holes, the mounting base is conducive to the effective use of materials and is lighter in whole mass while having high carrying capacity.

Description

Low floor railcar hinge mechanism mount

Technical field

The present application relates to a hinge mechanism mount structure, and more particularly to a low floor railcar hinge mechanism mount.

Background technique

In order to meet the needs of passing small radius curves, modern low-floor trams are designed with short body modules, and each module is connected by a hinge mechanism. The hinge mechanism carries the weight of the vehicle and the traction and braking force of the vehicle. At the same time, by restricting and releasing the degree of freedom between the vehicle modules, the vehicle can smoothly and quickly pass the small radius curve to ensure the smooth running of the vehicle. Therefore, the hinge mechanism is a low-floor tram. The key components.

The mount for mounting the hinge mechanism is subject to the complicated dynamic load of the hinge mechanism, so that the bearing capacity is the primary requirement. The existing hinge mechanism mounting seat is divided into two parts of welding and casting. Although the bearing capacity is satisfied, there are disadvantages such as complicated structural design, troublesome manufacturing process, and inconvenient installation and maintenance. The patent proposes a new type of casting integrated hinge mechanism mounting seat, which can meet the requirements of strong bearing capacity and overcome the above disadvantages.

Summary of the invention

The technical problem to be solved by the present application is to provide a low-floor tramway hinge mechanism mount with light weight, strong carrying capacity, simple structure, convenient manufacture, installation and maintenance, in view of the above-mentioned deficiencies of the prior art.

In order to solve the above technical problems, the technical solution adopted in the present application is:

The utility model relates to a low floor railcar hinge mechanism mounting seat, which comprises a vehicle body mounting plate, a trapezoidal connecting column and a working rib plate, wherein the vehicle body mounting plate is fixedly connected with the vehicle body module; the trapezoidal connecting column comprises parallel to each other. The upper bottom plate and the lower bottom plate, wherein the upper bottom plate is fixedly connected with the working rib plate, and the lower bottom plate is fixedly connected with the vehicle body mounting plate; the working rib plate includes an upper top plate, a lower top plate and are disposed on the upper top plate and the lower top plate Between the vertical support columns, one end of the upper top plate and the lower top plate facing away from the trapezoidal connection column is provided with a hinge mechanism mounting surface, and each hinge mechanism mounting surface is provided with at least one bolt mounting hole; A mounting groove is provided on one side of the support column away from the trapezoidal connection post.

The trapezoidal connecting column is a hollow structure, and the trapezoidal connecting column comprises the upper bottom plate and two supporting plates, and the two supporting plates connect the upper bottom plate and the vehicle body mounting plate.

The two supporting plates are all inverted trapezoidal structures, and the long bottom edge of each supporting plate is one side of the upper bottom plate of the trapezoidal connecting column.

A center of each of the support plates is provided with a second weight reducing hole.

Each of the second lightening holes has a triangular shape.

The upper bottom plate of the trapezoidal connecting column and the center of the vehicle body mounting plate are each provided with a rectangular first weight reducing hole.

The center of the vertical support column is provided with a third lightening hole.

The shape of the third lightening hole is elliptical.

The mounting groove has a U shape.

The above-mentioned mounting seat is an integrally cast structure, and the force is concentrated. At the same time, the design of the above-mentioned trapezoidal connecting column is consistent with the force transmission direction, and the structure of the working rib is also optimized, so that the low floor tram of the present application is hinged. Agency security The load-bearing capacity of the mount is enhanced, and the structure is compact, and the manufacturing, installation and maintenance are convenient. In addition, the design of the plurality of weight reducing holes allows the mounting seat to have a high load carrying capacity, which is advantageous for reducing the overall quality of the mounting seat, convenient installation and maintenance, and facilitating efficient use of materials.

DRAWINGS

1 is a schematic structural view of a low floor rail car hinge mechanism mount of the present application;

2 is a schematic view showing the structure of the mount and the body module and the hinge structure of the present application after installation.

Including:

1. The vehicle body mounting plate;

11. bolt hole; 12. cylindrical pin hole; 13. first weight reduction hole;

2. Trapezoidal connection column;

21. upper bottom plate; 22. support plate; 221. long bottom edge; 23. second lightening hole;

3. Work ribs;

31. upper top plate; 32. lower top plate; 33. hinge mechanism mounting surface; 34. bolt mounting hole; 35. vertical support column; 36. mounting groove; 37. third weight reducing hole;

4. Car body module;

5. Articulated mechanism;

6. Support seat.

detailed description

The present application will be further described in detail below with reference to the accompanying drawings and specific preferred embodiments.

As shown in FIG. 1 and FIG. 2, a low-floor tramway hinge mechanism mount includes a vehicle body mounting plate 1, a trapezoidal connecting column 2, and a work rib 3.

The vehicle body mounting plate 1 is provided with a plurality of bolt holes 11 and a plurality of cylindrical pin holes 12, preferably four bolt holes 11 and two cylindrical pin holes 12.

As shown in FIG. 2, the vehicle body mounting plate 1 is fixedly coupled to the vehicle body module 4 by a corresponding number of bolts and cylindrical pins. Depending on the type of the vehicle body and the height of the vehicle body, the vehicle body mounting plate 1 can also be fixedly coupled to the vehicle body module 4 via the support base 6 as needed.

As a further improvement, the center of the vehicle body mounting plate 1 is provided with a rectangular first weight reducing hole 13 for reducing the overall weight of the mounting seat.

The trapezoidal connecting post 2 is arranged in a trapezoidal shape, preferably a hollow structure. The trapezoidal connecting post 2 comprises an upper bottom plate 21, a lower bottom plate and two supporting plates 22, wherein the upper bottom plate 21 and the lower bottom plate are parallel to each other, and the length of the lower bottom plate is larger than the upper bottom plate. 21, as shown in FIG. 1, the lower bottom plate is overlapped with the vehicle body mounting plate 1, that is, the lower bottom plate is the vehicle body mounting plate 1.

The center of the upper bottom plate 21 is also provided with a rectangular first weight reducing hole 13 for reducing the overall weight of the mounting seat.

Two support plates 22, that is, two trapezoidal waists of the trapezoidal connection post 2, connect the upper bottom plate 21 and the vehicle body mounting plate 1.

Both of the support plates 22 are preferably inverted trapezoidal structures, and the long bottom edge 221 of each support plate 22 (i.e., one of the longer lengths) is one side of the upper bottom plate 21 of the trapezoidal connection column 2.

The structural design of the above-mentioned trapezoidal connecting column 2 is consistent with the direction of force transmission.

Further, a center of each of the support plates 22 is provided with a second weight reducing hole 23, and each of the second weight reducing holes 23 is preferably triangular in shape.

The upper bottom plate 21 of the trapezoidal connecting post 2 is fixedly connected to the work rib 3 .

The above-mentioned rib 3 includes an upper top plate 31, a lower top plate 32, and a vertical support column 35.

The shapes of the upper top plate 31 and the lower top plate 32 are preferably triangular, and each of the upper top plate 31 and the lower top plate 32 is disposed at an angle away from the trapezoidal connecting column 2, and a hinge mechanism mounting surface 33 is disposed on each of the hinge mechanism mounting faces 33. At least one bolt mounting hole 34 is provided.

The vertical support column 35 is disposed between the upper top plate 31 and the lower top plate 32, and a side of the vertical support column 35 facing away from the trapezoidal connection post 2 is provided with a preferably U-shaped mounting groove 36.

The above-described mounting groove 36 and hinge mechanism mounting surface 33 are designed to facilitate the attachment of the hinge mechanism 5.

Further, the center of the vertical support column 35 is preferably provided with a third lightening hole 37, and the shape of the third lightening hole 37 is preferably elliptical.

The above-mentioned mounting seat is an integrally cast structure, and the force is concentrated. At the same time, the design of the above-mentioned trapezoidal connecting column is consistent with the force transmission direction, and the structure of the working rib is also optimized, so that the low floor tram of the present application is hinged. The mechanism mount has enhanced carrying capacity, compact structure, and is easy to manufacture, install and maintain. In addition, the design of the plurality of weight reducing holes allows the mounting seat to have a high load carrying capacity, which is advantageous for reducing the overall quality of the mounting seat, convenient installation and maintenance, and facilitating efficient use of materials.

The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details in the foregoing embodiments, and various equivalent transformations may be performed on the technical solutions of the present application within the technical concept of the present application. All belong to the scope of protection of this application.

Claims

A low-floor tramway hinge mechanism mounting base, comprising: a vehicle body mounting plate, a trapezoidal connection column and a work rib plate, wherein the vehicle body mounting plate is fixedly connected with the vehicle body module; the trapezoidal connection column comprises An upper bottom plate and a lower bottom plate arranged parallel to each other, wherein the upper bottom plate is fixedly connected with the working rib plate, and the lower bottom plate is fixedly connected with the vehicle body mounting plate; the working rib plate includes an upper top plate, a lower top plate and a top top plate and a vertical support column between the lower top plate, wherein the upper top plate and the lower top plate are disposed away from the end of the trapezoidal connecting column with a hinge mechanism mounting surface, and each of the hinge mechanism mounting surfaces is provided with at least one bolt mounting hole; A mounting groove is disposed on a side of the vertical support column facing away from the trapezoidal connection post.
The low-floor tramway hinge mechanism mounting seat according to claim 1, wherein the trapezoidal connecting column is a hollow structure, and the trapezoidal connecting column comprises the upper bottom plate and two supporting plates, and the two supporting plates are upper The bottom plate is connected to the vehicle body mounting plate.
The low floor railcar hinge mechanism mounting seat according to claim 2, wherein the two supporting plates are all inverted trapezoidal structures, and the long bottom edge of each supporting plate is the upper bottom plate of the trapezoidal connecting column. One side of the.
The low floor rail car hinge mechanism mount according to claim 3, wherein a center of each of said support plates is provided with a second weight reducing hole.
The low floor rail car articulated mechanism mount of claim 4 wherein each of said second lightening holes has a triangular shape.
The low-floor tramway hinge mechanism mount according to claim 1, wherein a center of the upper base plate and the body mounting plate of the trapezoidal connecting column is provided with a rectangular first weight reducing hole.
The low floor rail car hinge mechanism mount according to claim 1, wherein a center of the vertical support column is provided with a third weight reducing hole.
The low floor rail car hinge mechanism mount according to claim 7, wherein the third weight reducing hole has an elliptical shape.
The low-floor tramway hinge mechanism mount according to claim 1, wherein the mounting groove has a U-shape.