CN112109756A

CN112109756A - Suspension type monorail train framework and bogie thereof

Info

Publication number: CN112109756A
Application number: CN202011051290.4A
Authority: CN
Inventors: 刘余龙; 陈姝枚; 沈龙江; 蒲全卫; 王志明; 王顺; 黄晓青
Original assignee: CRRC Zhuzhou Locomotive Co Ltd
Current assignee: CRRC Zhuzhou Locomotive Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2020-12-22
Anticipated expiration: 2040-09-29
Also published as: CN112109756B

Abstract

A suspension type monorail train framework is of a box-shaped beam structure, and the middle of the framework is protruded downwards; the middle part of framework is seted up the vertical traction center pin mounting hole that runs through the framework the top of framework is located the integrated secondary spring mount pad in both sides of traction center pin mounting hole, the both ends of the lower part of framework all from top to bottom slant integrated traction motor mount pad, the horizontal mount pad of gear box and the vertical mount pad of gear box. The main structure of the framework is ingeniously integrated with various mounting seats, the traction motor mounting seat, the gear box transverse mounting seat and the gear box longitudinal mounting seat form a splayed layout design, the space is fully utilized, the compactness of the structure is effectively improved on the premise of meeting the design requirements and the use requirements, the number of welding seams on the framework is reduced, the welding deformation and stress concentration are reduced, and the safety of the railway vehicle is improved.

Description

Suspension type monorail train framework and bogie thereof

Technical Field

The invention belongs to the field of public transport vehicles, and particularly relates to a suspension type monorail train frame and a bogie thereof.

Background

Besides the traditional rail transit, the suspension type monorail train has the advantages of small occupied area, effective utilization of upper space, low manufacturing cost, strong adaptability, good landscape, safe and comfortable operation, low noise, low carbon, environmental protection, high integration degree, short construction period and the like, can effectively relieve the problem of urban traffic jam, and provides more choices for main traffic lines of medium and small cities, large-scale urban extension lines, tourist attractions and the like.

The suspension type monorail train framework is greatly different from the traditional bogie framework, and as the running part of the suspension type monorail train framework runs on a box type steel beam track, the framework needs to meet the installation space of each part, and has more severe requirements on compactness and light weight.

Disclosure of Invention

The invention aims to provide a suspension type monorail train framework and a bogie thereof, which realize the functions of compact structure and reasonable part layout and effectively solve the contradiction between the installation space of each part of the framework and the space of a limited track beam.

In order to achieve the purpose, the invention adopts the technical scheme that: a suspension type monorail train framework is of a box-shaped beam structure, and the middle of the framework is protruded downwards; the middle part of framework is seted up the vertical traction center pin mounting hole that runs through the framework the top of framework is located the integrated secondary spring mount pad in both sides of traction center pin mounting hole, the both ends of the lower part of framework all from top to bottom slant integrated traction motor mount pad, the horizontal mount pad of gear box and the vertical mount pad of gear box.

Among the above-mentioned scheme, ingenious framework major structure and all kinds of mount pads are integrated, and wherein traction motor mount pad, the horizontal mount pad of gear box and the vertical mount pad of gear box form the splayed overall arrangement design, and make full use of space has effectively improved the compactness of structure under the prerequisite that satisfies design requirement and operation requirement, has reduced the welding seam quantity on the framework simultaneously, has reduced welding deformation and stress concentration, has improved rail vehicle's security.

Preferably, upper guide mounting seats are welded to both ends of the top surface of the frame.

The upper portion guider mount pad is used for installing guider, and guider mainly bears the ascending impact force of horizontal direction, when realizing the guide effect of bogie, prevents to turn on one's side and effectively alleviates horizontal impact force, improves the comfort level of train.

Preferably, a sleeve is welded in the traction center pin mounting hole.

Preferably, both ends of the bottom of the framework comprise an inclined part of the integrated traction motor mounting seat, a horizontal part of the integrated gear box transverse mounting seat and a vertical part of the integrated gear box vertical mounting seat.

Preferably, the lower end of the vertical part is provided with a concave part. The concave part is used for integrating the vertical mounting seat of the gear box, so that the mounting space is saved

The invention also provides a suspension type monorail train bogie which comprises the suspension type monorail train frame, wherein the traction center pin is arranged in the middle of the frame through the traction center pin mounting hole, the upper part of the traction center pin is connected with the sleeper beam, the bottom of the traction center pin is connected with the suspension beam, and the sleeper beam is connected with the air spring arranged on the secondary spring mounting seat; the traction motor is installed on the traction motor installation seat, the gear box transverse installation seat is connected with the top surface of the gear box, and the gear box vertical installation seat is connected with the side surface of the gear box.

Preferably, the two ends of the top surface of the framework are welded with upper guide device installation seats, guide devices are installed on the upper guide device installation seats and the gear box, and the four guide devices are symmetrically arranged in the transverse direction and the longitudinal direction of the framework.

Preferably, a sleeve is welded in the traction center pin mounting hole, and a wear-resistant rubber shaft sleeve is installed between the traction center pin and the sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. the structure of the bogie frame is compact, the position layout of the part mounting seats is reasonable, and the contradiction between the mounting space of each part of the bogie and the space of the limited track beam is effectively solved;

2. the framework integrates various mounting seats without independently welding the mounting seats, so that the number of welding seams on the framework is reduced, welding deformation and stress concentration are reduced, and the structural stability and the train running comfort are improved.

Drawings

FIG. 1 is a block diagram of the architecture of the present invention;

FIG. 2 is a cross-sectional view of the truck of the present invention;

fig. 3 is a general structural view of the bogie of the present invention.

Detailed Description

The invention is further illustrated by the following figures and examples.

A suspension type monorail train frame is shown in figures 1 and 2, the frame 10 is a box-shaped beam structure with a downward-protruding middle part, and a main structure of the frame 10 is integrally provided with a plurality of part mounting seats. Specifically, a traction center pin mounting hole 3.1 vertically penetrating through the framework 10 is formed in the middle of the framework 10, secondary spring mounting seats 2.1 are integrated on two sides, located on the traction center pin mounting hole 3.1, of the top of the framework 10, and two ends of the lower portion of the framework 10 are obliquely integrated with a traction motor mounting seat 4.1, a gear box transverse mounting seat 5.1 and a gear box longitudinal mounting seat 5.2 from top to bottom. A current collector mount (not shown) is integrated into the side riser of the frame 10. The upper guide mount 1.1 is welded to both ends of the top of the frame 10.

Specifically, both ends of the lower portion of the frame 10 include an inclined portion 10.1 of the integrated traction motor mounting seat 4.1, a horizontal portion 10.2 of the integrated gear box transverse mounting seat 5.1 and a vertical portion 10.3 of the integrated gear box vertical mounting seat 5.2, and the joint of the horizontal portion 10.2 and the vertical portion 10.3 is rounded. Further, the lower end of the vertical portion 10.3 is provided with a concave portion of the vertical installation seat 5.2 of the integrated gearbox, so that the vertical installation seat 5.2 of the gearbox is prevented from protruding out of the vertical portion 10.3, and installation space is saved.

In the embodiment, a sleeve 3.2 is welded in the traction center pin mounting hole 3.1. The top of the sleeve 3.2 is bolted with an annular boss.

The invention also provides a suspended monorail train bogie, which comprises the suspended monorail train frame as shown in figure 3, wherein an air spring 2 is arranged on a secondary spring mounting seat 2.1, and a sleeper beam 6 is pressed on the air spring 2. The upper part of the traction center pin 3 is tightly connected with the sleeper beam 6, the middle main structure of the traction center pin 3 penetrates through the framework 10 from bottom to top and is connected with the framework 10 in an interference fit manner through the wear-resistant rubber shaft sleeve 3.3, and the circular through hole at the bottom of the traction center pin 3 is connected with the suspension beam 7 in a fit manner, so that the vertical, transverse and longitudinal bearing and the traction force transmission are realized. The traction motor 4 is installed on the traction motor installation seat 4.1, the gear box transverse installation seat 5.1 is connected with the top surface of the gear box 5, and the gear box longitudinal installation seat 5.2 is connected with the side surface of the gear box 5.

The upper guide mounting 1.1 on the frame 10 and the outer side of the gearbox 5 are each provided with a guide 1, the four guides 1 being arranged symmetrically in the transverse and longitudinal direction of the frame 10. Wherein the guiding device 1 adopts the existing guide wheel structure.

Claims

1. A suspension type monorail train framework is characterized in that the framework (10) is of a box-shaped beam structure, and the middle part of the framework (10) protrudes downwards; vertical traction center pin mounting hole (3.1) that runs through the framework is seted up at the middle part of framework (10) the top of framework (10) is located the integrated secondary spring mount pad (2.1) in both sides of traction center pin mounting hole (3.1), the both ends of the bottom surface of framework (10) all from top to bottom integrated traction motor mount pad (4.1) of slant, the horizontal mount pad of gear box (5.1) and the vertical mount pad of gear box (5.2).

2. A suspended monorail car frame as defined in claim 1, characterized in that the upper guide mounting (1.1) is welded to both ends of the top surface of said frame (10).

3. A suspended monorail car frame as defined in claim 1, characterised in that said traction centre pin mounting hole (3.1) is internally welded with a sleeve (3.2).

4. A suspended monorail car frame as defined in claim 1, characterised in that both ends of the bottom of said frame (10) comprise an inclined portion (10.1) of an integrated traction motor mount (4.1), a horizontal portion (10.2) of an integrated gearbox transverse mount (5.1) and a vertical portion (10.3) of an integrated gearbox vertical mount (5.2).

5. A suspended monorail car frame as defined in claim 4, characterised in that said vertical portion (10.3) is provided at its lower end with a recessed portion (10.4).

6. A suspended monorail train bogie, characterized in that, comprises a suspended monorail train frame as defined in any one of claims 1-5, a traction center pin (3) is installed in the middle of the frame (10) through a traction center pin installation hole (3.1), the upper part of the traction center pin (3) is connected with a sleeper beam (6), the bottom of the traction center pin (3) is connected with a suspension beam (7), and the sleeper beam (6) is connected with an air spring (2) installed on the secondary spring installation seat (2.1); install traction motor (4) on traction motor mount pad (4.1), the horizontal mount pad of gear box (5.1) is connected with the top surface of gear box (5), the vertical mount pad of gear box (5.2) with the side of gear box (5) is connected.

7. A suspended monorail car bogie as claimed in claim 6, characterized in that the top surface of said frame (10) has upper guide mounting (1.1) welded to both ends, said upper guide mounting (1.1) and said gearbox (5) each having a guide (1) mounted thereon, said four guides (1) being symmetrically arranged in the transverse and longitudinal directions of said frame (10).

8. A suspended monorail train bogie as claimed in claim 6, characterized in that a sleeve (3.2) is welded in said traction centre pin mounting hole (3.1), and a wear-resistant rubber bushing (3.3) is mounted between said traction centre pin (3) and said sleeve (3.2).