CN211765506U

CN211765506U - Suspension structure for suspension type monorail train

Info

Publication number: CN211765506U
Application number: CN202020057835.1U
Authority: CN
Inventors: 李铮; 张玉玺; 周自谦; 王洪波; 陈旭阳
Original assignee: China Railway Engineering Machinery Research and Design Institute Co Ltd
Current assignee: China Railway Engineering Machinery Research and Design Institute Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-27
Anticipated expiration: 2030-01-13

Abstract

A suspension structure for a suspension type monorail train comprises a sleeper beam and a suspension rack mounting seat, wherein mounting holes are formed in four corners of the sleeper beam, a suspension rack is arranged in each mounting hole and penetrates through the mounting holes to be fixed through groove welding between the upper surface and the lower surface of the sleeper beam and the suspension rack mounting seat, the suspension rack mounting seat is a forged piece, and the cross section of the suspension rack mounting seat is in a trapezoid shape with a small upper part and a large lower part; therefore, the utility model discloses simple structure, convenient operation still provides a safety protection when guaranteeing joint strength, prevents train and bogie disconnection, effectively improves joint strength in addition, improves fatigue performance, makes and connects safe and reliable.

Description

Suspension structure for suspension type monorail train

Technical Field

The utility model relates to a suspension type monorail train's technical field especially relates to a suspension structure for suspension type monorail train.

Background

The suspension structure for suspended monorail trains is a key structure for connecting a bogie and a train body, and generally comprises a transition piece which is connected with the train body or a sleeper beam of the train body on one hand and the bogie or a suspension device on the other hand so as to realize safe and reliable rigid connection of the bogie and the train body. There are also suspension structures that directly connect the bogie to the vehicle body without a transition piece. The suspension structure in the prior art is various, the transition piece of part of the suspension structure is directly welded on the sleeper beam, so that the safety and reliability of the connection between the bogie and the vehicle body are completely dependent on the quality and the strength of a welding seam, meanwhile, the welding seam is subjected to thermal cycle, has non-uniformity in geometric and mechanical properties, is easy to generate defects, is easy to generate cracks in the later use process, and is broken in severe cases. Use bolted connection, after long-time operation, the bolt can produce wearing and tearing, and it produces the clearance with the cooperation of screw hole, causes outside water source to pass through inside the clearance direct entering automobile body, causes serious influence to the safe operation of train.

Therefore, in view of the above-mentioned drawbacks, the designer of the present invention, through careful research and design, develops a suspension structure for a suspended monorail train by integrating the experience and achievement of related industries for many years, so as to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension structure for suspension type monorail train, its simple structure, convenient operation still provides a safety protection when guaranteeing joint strength, prevents train and bogie disconnection, effectively improves joint strength in addition, improves fatigue performance, makes and connects safe and reliable.

In order to achieve the purpose, the utility model discloses a suspension structure for suspension type monorail train, including the sleeper beam and suspend in midair the frame mount pad in midair, its characterized in that:

four bights of sleeper beam are equipped with the mounting hole, and each mounting hole all supplies one to suspend in the midair the frame mount pad and run through the back and carry out groove welding fixed between the upper and lower surface through the sleeper beam and suspend in the midair the frame mount pad in midair, it is the forging to suspend in midair the frame mount pad in midair, just suspend in midair the cross-section of frame mount pad in midair and be the trapezium that is big end down.

Wherein: the suspension rack mounting seat comprises a lower seat plate, an upper seat plate and two side seat plates, wherein the lower seat plate and the upper seat plate are square, the two side seat plates are arranged on two sides, the upper end and the lower end of each side seat plate are respectively connected to the upper seat plate and the lower seat plate, the area of the lower seat plate is larger than that of the upper seat plate to form a trapezoid with a small upper part and a large lower part, and the position of the side seat plate connected with the lower seat plate is away from the edge of the lower seat plate to form a step structure between the lower seat plate and the side seat plate.

Wherein: the lower surface of the lower base plate of the suspension frame mounting seat is provided with a sinking platform, and the side base plate is provided with a lightening hole.

Wherein: the upper seat plate is provided with two lifting lugs, and each lifting lug is provided with a pin hole.

Wherein: the sleeper beam comprises a lower plate and an upper plate, the mounting holes comprise lower through holes located in the lower plate and upper through holes located in the upper plate, and the lower through holes are clamped and fixed with the step structures of the suspension frame mounting seat correspondingly.

Wherein: the lower plate and the upper plate are fixedly connected through the obliquely arranged connecting reinforcing plate.

Wherein: the area of the upper through hole is smaller than that of the lower through hole so as to be adapted to the overall shape of the suspension frame mounting seat.

According to the structure, the utility model discloses a suspension structure for suspension type monorail train has following effect:

1. still provide a safety protection when guaranteeing joint strength, can prevent train and bogie disconnection when the welding seam crackle even breaks off.

2. The connecting strength can be effectively improved, the fatigue performance is improved, and the connection is safe and reliable.

3. Can effectively prevent that external water source from getting into to other gaps that make external water source enter into the automobile body such as crackle can not produce after long-time operation.

The details of the present invention can be obtained from the following description and the attached drawings.

Drawings

Fig. 1 shows a schematic structural view of a suspension structure for a suspended monorail train according to the present invention.

Fig. 2 shows a schematic structural diagram of the mounting seat of the middle suspension bracket of the present invention.

Fig. 3 shows a top view of the present invention.

Fig. 4 shows a schematic view in the direction a-a in fig. 3.

Reference numerals:

1. a bolster; 11. a lower plate; 12. an upper plate; 13. connecting the reinforcing plate; 14. lower punching; 15. perforating; 2. a suspension mount; 21. a lower seat plate; 22. an upper seat plate, 23, a side seat plate; 24. lightening holes; 25. lugs, 26, pin holes.

Detailed Description

Referring to fig. 1 to 4, a suspension structure for a suspended monorail train of the present invention is shown.

A suspension structure for suspension type monorail train includes sleeper beam 1 and suspends in midair mount pad 2, four bights of sleeper beam 1 are equipped with the mounting hole, and each mounting hole all supplies one to suspend in midair 2 and carries out groove weld after running through sleeper beam 1 on the surface and suspend in midair between the mount pad 2 and fix, it is the forging to suspend in midair mount pad 2, just suspend in midair the cross-section of mount pad 2 and be trapezoidal big end down.

Referring to fig. 2, the suspension mounting seat 2 includes a lower seat plate 21, an upper seat plate 22 and two side seat plates 23, the lower seat plate 21 and the upper seat plate 22 are both square, the two side seat plates 23 are disposed on two sides and connected to the upper seat plate 22 and the lower seat plate 21 at upper and lower ends, the area of the lower seat plate 21 is larger than that of the upper seat plate 22 to form a trapezoid with a small upper part and a large lower part, and a position where the side seat plate 23 is connected to the lower seat plate 21 is spaced from an edge of the lower seat plate 21, so that a step structure shown in the drawing is formed between the lower seat plate 21 and the side seat plates 23.

The lower surface of the lower base plate of the suspension frame mounting seat is provided with a sinking platform, and the side base plate is provided with lightening holes 24 to lighten.

The upper seat plate 22 is provided with two lifting lugs 25, and each lifting lug 25 is provided with a pin hole 26 to realize a suspension installation function.

Referring to fig. 4, the bolster 1 includes a lower plate 11 and an upper plate 12, the lower plate 11 and the upper plate 12 are connected and fixed by a connection reinforcing plate 13 disposed obliquely, the mounting holes include a lower through hole 14 located on the lower plate and an upper through hole 15 located on the upper plate, the lower through hole 14 is clamped and fixed corresponding to the step structure of the suspension bracket mounting seat 2, so as to provide safety protection when the suspension bracket mounting seat is connected to the bolster, and the area of the upper through hole 15 is smaller than that of the lower through hole 14, so as to be adapted to the overall shape of the suspension bracket mounting seat.

Therefore, the lower seat plate of the suspension frame mounting seat protrudes outwards, the lower seat plate penetrates through the mounting hole reserved in the sleeper beam from bottom to top during mounting, the protruding portion and the sleeper beam form rigid fixation, connection strength is guaranteed, meanwhile, safety protection is provided for the suspension structure, and when cracks or even breakage occurs in welding seams, disconnection between a train and a bogie is prevented.

This structure sets up transition piece and suspends a mount pad in midair, and the mount pad links firmly with the sleeper beam welding, and welded structure compares in bolted connection structure, and its leakproofness is better, and intensity is also higher.

It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.

Claims

1. A suspension structure for a suspended monorail train comprises a sleeper beam and a suspension bracket mounting seat, and is characterized in that:

2. A suspension structure for a suspended monorail train as defined in claim 1, wherein: the suspension rack mounting seat comprises a lower seat plate, an upper seat plate and two side seat plates, wherein the lower seat plate and the upper seat plate are square, the two side seat plates are arranged on two sides, the upper end and the lower end of each side seat plate are respectively connected to the upper seat plate and the lower seat plate, the area of the lower seat plate is larger than that of the upper seat plate to form a trapezoid with a small upper part and a large lower part, and the position of the side seat plate connected with the lower seat plate is away from the edge of the lower seat plate to form a step structure between the lower seat plate and the side seat plate.

3. A suspension structure for a suspended monorail train as defined in claim 2, wherein: the lower surface of the lower base plate of the suspension frame mounting seat is provided with a sinking platform, and the side base plate is provided with a lightening hole.

4. A suspension structure for a suspended monorail train as defined in claim 2, wherein: the upper seat plate is provided with two lifting lugs, and each lifting lug is provided with a pin hole.

5. A suspension structure for a suspended monorail train as defined in any one of claims 2-4, wherein: the sleeper beam comprises a lower plate and an upper plate, the mounting holes comprise lower through holes located in the lower plate and upper through holes located in the upper plate, and the lower through holes are clamped and fixed with the step structures of the suspension frame mounting seat correspondingly.

6. A suspension structure for a suspended monorail train as defined in claim 5, wherein: the lower plate and the upper plate are fixedly connected through the obliquely arranged connecting reinforcing plate.

7. A suspension structure for a suspended monorail train as defined in claim 5, wherein: the area of the upper through hole is smaller than that of the lower through hole so as to be adapted to the overall shape of the suspension frame mounting seat.