CN218536678U

CN218536678U - EMUs bogie traction rod mounting structure and EMUs bogie

Info

Publication number: CN218536678U
Application number: CN202223117534.1U
Authority: CN
Inventors: 张现锋; 姜靓; 王开团; 于泓
Original assignee: Qingdao Sifang Alstom Railway Transportation Equipment Co ltd
Current assignee: Qingdao Sifang Alstom Railway Transportation Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-02-28
Anticipated expiration: 2032-11-23

Abstract

The embodiment of the application provides a traction pull rod mounting structure of a motor train unit bogie and the motor train unit bogie; the traction pull rod is arranged between a train body and a bogie on the motor train unit and is used for transmitting traction force and braking force; a pin shaft is installed, inserted into the end part of the traction pull rod and rotationally connected with the traction pull rod; the mounting structure comprises two groups of mounting seat assemblies, wherein each group of mounting seat assemblies comprises a first mounting seat and a second mounting seat which are correspondingly arranged, and a mounting hole for a mounting pin shaft to pass through is formed between the first mounting seat and the second mounting seat; the mounting hole is provided with a buffer gap between the first mounting seat and the second mounting seat, the buffer gap is arranged on the upper side and the lower side of the mounting hole and extends along the vertical direction. The installation pin shaft of the traction pull rod can be pressed and does not move through the arrangement of the buffer gap. The structure is simple and easy to realize, and the safety and stability of the structure can be ensured.

Description

EMUs bogie traction rod mounting structure and EMUs bogie

Technical Field

The application belongs to the technical field of rail vehicles, and particularly relates to a traction pull rod mounting structure of a motor train unit bogie and a motor train unit bogie.

Background

In the railway vehicle, a traction pull rod is a device which is arranged on a motor train unit and is used for connecting a vehicle body and a bogie and is used for transmitting traction force and braking force, and the installation reliability of the traction pull rod directly influences the running safety of the motor train unit.

The existing traction pull rod is directly arranged on a welding support of a framework, the welding support is collided and damaged in the installation or disassembly process and needs to be repaired in a welding repair mode, and the welding repair may generate welding deformation, so that the installation requirement cannot be met.

In view of this, the present patent application is specifically proposed.

Disclosure of Invention

In order to solve the problem and not enough, provide a EMUs bogie draw link mounting structure and EMUs bogie in this application embodiment, the utility model provides a EMUs bogie draw link mounting structure possesses higher security performance grade, can satisfy EMUs operation requirement.

According to the embodiment of the application, a motor train unit bogie traction rod mounting structure is provided, including:

the traction pull rod is arranged between a train body and a bogie on the motor train unit and is used for transmitting traction force and braking force;

a pin shaft is installed, inserted into the end part of the traction pull rod and rotationally connected with the traction pull rod;

the mounting structure comprises two groups of mounting seat assemblies, wherein each group of mounting seat assemblies comprises a first mounting seat and a second mounting seat which are correspondingly arranged, and a mounting hole for a mounting pin shaft to pass through is formed between the first mounting seat and the second mounting seat; the mounting hole is provided with a buffer gap between the first mounting seat and the second mounting seat, the buffer gap is arranged on the upper side and the lower side of the mounting hole and extends along the vertical direction.

Preferably, the mounting hole comprises a first groove and a second groove; the first groove is formed in one side, facing the second mounting seat, of the first mounting seat; the second groove is arranged on one side, facing the first mounting seat, of the second mounting seat; the first groove and the second groove form a mounting hole coaxial with the mounting pin shaft.

Preferably, the upper side and the lower side of the first groove are provided with buffering parts, and the buffering parts are planes which are concave towards the first mounting seat; the end part of the buffering part far away from the first groove forms a buffering step; the buffering step is attached to the second mounting seat.

Preferably, a first connecting hole is formed in the buffering portion, and a second connecting hole is formed in the second mounting seat and corresponds to the first connecting hole; when the first installation seat is connected with the second installation seat, the first connecting hole and the second connecting hole are coaxial, and the fastening bolt is inserted into the first connecting hole and the second connecting hole so as to fix the first installation seat and the second installation seat.

According to an embodiment of the application, a motor train unit bogie is provided, including:

the traction pull rod mounting structure of the motor train unit bogie is arranged on the frame;

and the traction pull rod is connected to the framework through a traction pull rod mounting structure of the motor train unit bogie.

Has the advantages that:

the embodiment of the application provides a traction pull rod mounting structure of a motor train unit bogie and the motor train unit bogie; the traction pull rod is arranged between a train body and a bogie on the motor train unit and is used for transmitting traction force and braking force; a pin shaft is installed, inserted into the end part of the traction pull rod and rotationally connected with the traction pull rod; the mounting structure comprises two groups of mounting seat assemblies, wherein each group of mounting seat assemblies comprises a first mounting seat and a second mounting seat which are correspondingly arranged, and a mounting hole for a mounting pin shaft to pass through is formed between the first mounting seat and the second mounting seat; the mounting hole is provided with a buffer gap between the first mounting seat and the second mounting seat, the buffer gap is arranged on the upper side and the lower side of the mounting hole and extends along the vertical direction. The installation pin shaft provided with the buffer gap traction pull rod can be pressed and does not move. The structure is simple and easy to realize, and the safety and stability of the structure can be ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an explosion structure diagram of a traction rod mounting structure of a bogie of a motor train unit according to the present invention;

FIG. 2 is a schematic plane structure diagram of a traction rod mounting structure of a bogie of the motor train unit;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

FIG. 4 is a schematic view of an exploded view of the mount assembly;

FIG. 5 is a schematic structural view of a bogie of the motor train unit.

In the figure:

1. a traction pull rod; 2. a first mounting seat; 3. a second mounting seat; 4. fastening a bolt; 5. a gasket; 6. a frame; 7. mounting a pin shaft; 8. mounting holes; 9. a buffer gap; 10. a first contact surface; 11. a second contact surface; 12. a third contact surface.

Detailed Description

In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the following description of the exemplary embodiments of the present application with reference to the accompanying drawings is made in further detail, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

FIG. 1 is an explosion structure diagram of a traction rod mounting structure of a bogie of a motor train unit according to the present invention; FIG. 2 is a schematic plane structure diagram of the mounting structure of the drag link of the bogie of the motor train unit; FIG. 3 is an enlarged schematic view of A in FIG. 2; FIG. 4 is a schematic view of an exploded view of the mount assembly; FIG. 5 is a schematic structural view of a bogie of the motor train unit.

As shown in fig. 1 to 5, a traction link mounting structure of a bogie for a motor train unit is provided as a specific embodiment of the present application, including:

the traction pull rod 1 is arranged between a train body and a bogie on the motor train unit and is used for transmitting traction force and braking force;

a pin shaft 7 is installed, inserted into the end part of the traction pull rod 1 and rotationally connected with the traction pull rod 1;

each group of mounting seat assemblies comprises a first mounting seat 2 and a second mounting seat 3 which are correspondingly arranged, and a mounting hole 8 for a mounting pin shaft 7 to pass through is formed between the first mounting seat 2 and the second mounting seat 3; be provided with buffering clearance 9 between first mount pad 2 and the second mount pad 3, buffering clearance 9 sets up in the upper and lower both sides of mounting hole 8, and extends along the vertical direction.

Specifically, the middle positions of the matching surfaces between the first mounting seat 2 and the second mounting seat 3 are respectively provided with a semicircular hole with the same diameter, the two semicircular holes form a mounting hole 8, and the two semicircular holes are matched together to fix the mounting pin shaft 7 of the traction pull rod 1.

The embodiment of the application provides a traction pull rod mounting structure of a bogie of a motor train unit, wherein a mounting hole 8 comprises a first groove 201 and a second groove 301; the first groove 201 is arranged on one side of the first mounting seat 2 facing the second mounting seat 3; the second groove 301 is arranged on one side of the second mounting seat 3 facing the first mounting seat 2; the first groove 201 and the second groove 301 form a mounting hole 8 coaxial with the mounting pin 7.

The embodiment of the application provides a traction rod mounting structure of a bogie of a motor train unit, wherein the upper side and the lower side of a first groove 201 are provided with buffer parts 202, and the buffer parts 202 are concave planes facing a first mounting seat 2; the end of the buffer part 202 far away from the first groove 201 forms a buffer step 203; the buffering step 203 is attached to the second mounting seat 3.

Specifically, in order to ensure that the mounting pin 7 is clamped and does not move, two sides of a semicircular hole in the middle area of the matching surface of the first mounting seat 2 are respectively provided with a buffer step 203 with the same depth, and when the second contact surface 11 on the first mounting seat 2 is completely contacted with the third contact surface 12 on the second mounting seat 3, the distance between the highest points of the semicircular holes on the two mounting seats is smaller than the diameter of the mounting pin 7.

The embodiment of the application provides a traction rod mounting structure of a bogie of a motor train unit, wherein a first connecting hole 204 is formed in the buffering part 202, and a second connecting hole 302 is formed in the second mounting seat 3 and corresponds to the first connecting hole 204; when the first mounting base 2 is connected to the second mounting base 3, the first connection hole 204 and the second connection hole 302 are coaxial, and the fastening bolt 4 is inserted into the first connection hole 204 and the second connection hole 302 and the gasket 5 to fix the first mounting base 2 to the second mounting base 3.

The embodiment as the application provides a motor train unit bogie drag link mounting structure, the diameter of mounting hole 8 is greater than the diameter of mounting pin 7.

Specifically, when the mounting pin 7 is fixed, under the condition that the fastening bolt 4 is not tightened, the first contact surface 10 of the first mounting seat 2 contacts with the third contact surface 12 of the second mounting seat 3, a gap exists between the second contact surface 11 of the first mounting seat 2 and the third contact surface 12 of the second mounting seat 3, and the mounting pin 7 of the traction pull rod 1 cannot be clamped; under the condition of tightening the fastening bolt 4, the first installation seat 2 and the second installation seat 3 deform under the pressing force of the fastening bolt 4, the gap between the second contact surface 11 of the first installation seat 2 and the third contact surface 12 of the second installation seat 3 becomes smaller, and the installation pin 7 of the traction pull rod 1 can be pressed without moving

An embodiment as the application provides a EMUs bogie includes:

the traction pull rod mounting structure of the motor train unit bogie is characterized in that the traction pull rod mounting structure comprises a plurality of guide rods;

and the traction pull rod 1 is connected to the framework 6 through a traction pull rod mounting structure of a bogie of the motor train unit.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.

It will be apparent to those skilled in the art that various changes and modifications can be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations.

Claims

1. The utility model provides a EMUs bogie draw rod mounting structure which characterized in that includes:

the traction pull rod (1) is arranged between a train body and a bogie on the motor train unit and is used for transmitting traction force and braking force;

the mounting pin shaft (7) is inserted into the end part of the traction pull rod (1) and is rotationally connected with the traction pull rod (1);

each group of mounting seat assemblies comprises a first mounting seat (2) and a second mounting seat (3) which are correspondingly arranged, and a mounting hole (8) for a mounting pin shaft (7) to pass through is formed between the first mounting seat (2) and the second mounting seat (3); mounting hole (8) be provided with between first mount pad (2) and second mount pad (3) buffering clearance (9), buffering clearance (9) set up in the upper and lower both sides of mounting hole (8), and extend along vertical direction.

2. The draft link mounting structure of a motor train unit bogie according to claim 1, wherein the mounting hole (8) comprises a first groove (201) and a second groove (301); the first groove (201) is formed in one side, facing the second mounting seat (3), of the first mounting seat (2); the second groove (301) is arranged on one side, facing the first mounting seat (2), of the second mounting seat (3); and the first groove (201) and the second groove (301) form a mounting hole (8) coaxial with the mounting pin shaft.

3. The motor train unit bogie draw rod mounting structure according to claim 2, wherein the first groove (201) is provided with buffer parts (202) at the upper and lower sides thereof, and the buffer parts (202) are planes recessed towards the first mounting seat (2); the end part of the buffer part (202) far away from the first groove (201) forms a buffer step (203); the buffering step (203) is attached to the second mounting seat (3).

4. The motor train unit bogie draw rod mounting structure of claim 3, wherein a first connecting hole (204) is provided at the buffer portion (202), and a second connecting hole (302) is provided at the second mounting seat (3) corresponding to the first connecting hole (204); when first mount pad (2) is connected with second mount pad (3), first connecting hole (204) and second connecting hole (302) are coaxial, and fastening bolt (4) insert first connecting hole (204) and second connecting hole (302) in order to incite somebody to action first mount pad (2) is fixed with second mount pad (3).

5. The traction-link mounting structure of a motor train unit bogie as claimed in claim 1, wherein the diameter of the mounting hole (8) is larger than the diameter of the mounting pin (7).

6. A EMUs bogie which characterized in that includes:

the motor train unit bogie traction link mounting structure as claimed in any one of claims 1 to 5;

the traction pull rod (1) is connected to the framework (6) through a traction pull rod mounting structure of a bogie of the motor train unit.