Rail transit vehicle carbon brush assembly connecting structure

By setting a flexible connection structure between the carbon brush assembly and the guide block, the problem of the carbon brush assembly deviating from the power supply rail groove when the rail transit vehicle passes through curves or slopes is solved, thus realizing the stability and contact reliability of the carbon brush assembly and improving the driving safety of the rail transit vehicle.

CN115296100BActive Publication Date: 2025-11-21CRRC PUZHEN BOMBARDIER TRANSPORTATION SYST CO LTD
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Patent Information

Application Number
CN202211033920.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-26
Publication Date
2025-11-21
Estimated Expiration
2042-08-26

AI Technical Summary

Technical Problem

In the existing technology, the connecting bracket is fixedly connected to the vehicle body, which makes the carbon brush assembly prone to deviating from the power supply rail groove when the rail transit vehicle passes through curves or slopes, affecting its directionality and stability, and thus affecting contact reliability and driving safety.

Method used

The carbon brush assembly is connected to the guide block via an insulator. A groove is provided on one side of the guide block. The connecting bracket is movably mounted in the groove at the bottom of the groove via the connecting block. The upper end of the connecting bracket is connected to the upper part of the groove via a spring, forming a flexible structure to ensure that the carbon brush assembly travels along the existing direction of the power supply rail groove during the operation of the rail transit vehicle.

Benefits of technology

It effectively prevents the carbon brush assembly from detaching from the power supply rail, improves contact reliability and driving safety, and ensures that the carbon brush assembly travels along the existing direction of the power supply rail groove when on curves or slopes, thus enhancing the directionality and stability of movement.

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Abstract

The present application belongs to the field of urban rail transit technology, and relates to a rail transit vehicle carbon brush assembly connecting structure. The carbon brush assembly (1) of the rail transit vehicle carbon brush assembly connecting structure is connected with a guide block (9) through an insulator (5), the guide block (9) is provided with a recessed portion (10) on one side, one end of a connecting support (4) is movably clamped in a groove (11) at the lower part of the recessed portion (10) through a connecting block (7), and the upper end of the connecting support (4) is connected with the upper part of the recessed portion (10) through a spring (3). The rail transit vehicle carbon brush assembly connecting structure effectively ensures that the carbon brush assembly always travels along the existing direction of the power rail groove when the rail transit vehicle travels through a curve or a ramp, travels along the curve or the ramp of the power rail sliding groove, and prevents the carbon brush assembly from being separated from the power rail, thereby improving the contact reliability of the carbon brush assembly and the driving safety of the vehicle.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the field of urban rail transit, more particularly, relates to a rail transit vehicle carbon brush assembly connecting structure. BACKGROUND

[0002] In the process of urban rail transit vehicle driving, the connecting bracket is connected to the vehicle body of the rail transit vehicle, and the carbon brush assembly contacts the power rail. However, the prior art has the problem that the connecting bracket is fixedly connected to the vehicle body, and the connecting bracket is fixedly connected to the carbon brush assembly. Thus, when the rail transit vehicle passes through a curve or a slope, the carbon brush assembly is easily deviated from the existing direction of the power rail groove due to external force impact, affecting the directionality and stability of the carbon brush assembly. SUMMARY

[0003] The present application aims to solve the technical problems of the prior art, and provides a rail transit vehicle carbon brush assembly connecting structure with simple structure, which can effectively ensure that the carbon brush assembly always travels along the existing direction of the power rail groove when the rail transit vehicle passes through a curve or a slope, travels along the curve or slope of the power rail sliding groove, and prevents the carbon brush assembly from being separated from the power rail, so as to improve the directionality and stability of movement, and improve the contact reliability and driving safety.

[0004] To solve the above technical problems, the technical solution adopted by the present application is as follows:

[0005] The present application is a rail transit vehicle carbon brush assembly connecting structure, which comprises a carbon brush assembly, the carbon brush assembly is connected to a guide block through an insulator, a recess portion is arranged on one side of the guide block, one end of a connecting bracket is movably clamped in a groove at the lower part of the recess portion through a connecting block, and the upper end of the connecting bracket is connected to the upper part of the recess portion through a spring.

[0006] The groove at the lower part of the recess portion is arranged in a concave V-shaped structure, and the extension direction of the groove is perpendicular to the extension direction of the carbon brush assembly.

[0007] The lower part of the connecting block is provided with a protruding protruding portion arranged in a protruding V-shaped structure, and the extension direction of the protruding portion is parallel to the extension direction of the groove.

[0008] The guide block is arranged in an n-shaped structure.

[0009] One end of the spring is fixedly connected to the connecting bracket, and the other end of the spring is fixedly connected to the upper part of the recess portion of the guide block.

[0010] The carbon brush assembly is hingedly connected to the insulator through a carbon brush assembly connecting pin.

[0011] The carbon brush assembly is provided with two upward protruding connecting plate members, a gap is arranged between the two connecting plate members, the insulator is inserted into the gap between the two connecting plate members, and the carbon brush assembly is connected through a carbon brush assembly connecting pin.

[0012] The connecting block is hingedly connected with the connecting support through a connecting block connecting pin.

[0013] The insulator is hingedly connected with the guide block lower part through an insulator connecting pin.

[0014] When the carbon brush assembly of the rail transit vehicle carbon brush assembly connecting structure contacts the power rail, the spring is arranged to be capable of pressing the protruding part of the connecting block into the profile groove by applying force on the connecting support.

[0015] The working principle and beneficial effects of the technical scheme of the present application are as follows:

[0016] The rail transit vehicle carbon brush assembly connecting structure is arranged in such a way that, on the one hand, the connecting support is connected to the vehicle body of the rail transit vehicle, and on the other hand, the carbon brush assembly contacts the power rail. During the driving of the rail transit vehicle, the carbon brush assembly contacts the power rail, the spring applies force on the connecting support, and the connecting block fixedly connected with the connecting support is pressed into the profile groove. In this way, the connecting support and the guide block are in a flexible structure, the connecting support is fixedly connected with the vehicle body, the guide block can change position within a certain range relative to the vehicle body, and the spring prevents the connecting block from easily coming off the profile groove, thereby ensuring the connection reliability. The rail transit vehicle carbon brush assembly connecting structure has a simple structure, effectively ensures that the carbon brush assembly always travels along the existing direction of the power rail groove during the driving of the rail transit vehicle through curves or slopes, travels along the curve or slope of the power rail sliding groove, prevents the carbon brush assembly from coming off the power rail, and improves the contact reliability of the carbon brush assembly and the driving safety of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0017] The content expressed by each figure of the present specification and the marks in the figures are briefly described as follows:

[0018] Figure 1 The figure is a top view of the rail transit vehicle carbon brush assembly connecting structure of the present application;

[0019] The marks in the figure are as follows: 1, carbon brush assembly; 2, insulator connecting pin; 3, spring; 4, connecting support; 5, insulator; 6, connecting block connecting pin; 7, connecting block; 8, carbon brush assembly connecting pin; 9, guide block; 10, groove part; 11, profile groove; 12, protruding part; 13, connecting plate member; 14, power rail. DETAILED DESCRIPTION

[0020] With reference to the drawings and the description of the embodiments, the specific embodiments of the present application will be further described in detail as to the shape of each component, the configuration, the mutual position and connection relationship between the parts, the function and working principle of each part, and the like.

[0021] As shown in the accompanying Figure 1 The present application is a rail transit vehicle carbon brush assembly connection structure, comprising a carbon brush assembly 1, the carbon brush assembly 1 is connected with a guide block 9 through an insulator 5, the guide block 9 is provided with a groove part 10 on one side, one end of a connecting bracket 4 is movably clamped in a type groove 11 at the lower part of the groove part 10 through a connecting block 7, and the upper end of the connecting bracket 4 is connected with the upper part of the groove part 10 through a spring 3. The above structure, aiming at the deficiencies in the prior art, proposes an improved technical solution. When the carbon brush assembly connection structure is set, on the one hand, the connecting bracket is connected to the vehicle body of the rail transit vehicle, and on the other hand, the carbon brush assembly 1 contacts the power supply rail 14. During the running of the rail transit vehicle, the carbon brush assembly 1 contacts the power supply rail 14, the spring 3 exerts force on the connecting bracket 4, and the connecting block 7 fixedly connected with the connecting bracket 4 is pressed into the type groove 11. In this way, the connecting bracket and the guide block are in a flexible structure, the connecting bracket is fixedly connected with the vehicle body, the guide block can change position within a certain range relative to the vehicle body, and the spring functions to prevent the connecting block from easily coming off the type groove, thereby ensuring the connection reliability. The rail transit vehicle carbon brush assembly connection structure described in the present application has a simple structure, effectively ensures that the carbon brush assembly always travels along the existing direction of the power supply rail groove when the rail transit vehicle passes through a curve or a slope, travels along the curve or the slope of the power supply rail sliding groove, and prevents the carbon brush assembly from coming off the power supply rail, so that the movement process has directionality and stability, improves the contact reliability and the running safety.

[0022] The type groove 11 at the lower part of the groove part 10 is provided in a concave V-shaped structure, and the extension direction of the type groove 11 is perpendicular to the extension direction of the carbon brush assembly 1. The lower part of the connecting block 7 is provided with a protruding protruding part 12 in a protruding V-shaped structure, and the extension direction of the protruding part 12 is parallel to the extension direction of the type groove 11. The above structure, during the running of the urban rail vehicle, the carbon brush assembly contacts the power supply rail, and the connecting bracket is connected to the vehicle body. When the rail transit vehicle passes through a curve or a slope, the spring always exerts force on the connecting bracket, so that the connecting block is reliably located in the type groove and will not come off, thereby ensuring the connection reliability, and at the same time, the carbon brush assembly can change position within a certain range relative to the connecting bracket, the connecting bracket and the carbon brush assembly are in a flexible structure, and the carbon brush assembly always travels along the existing direction of the power supply rail groove is effectively ensured, and the carbon brush assembly will not come off the power supply rail groove of the power supply rail due to excessive impact, thereby ensuring the reliability.

[0023] The guiding block 9 is arranged in an n-shaped structure. One end of the spring 3 is fixedly connected with the connecting bracket 4, and the other end of the spring 3 is fixedly connected with the upper part of the recessed part 10 of the guiding block 9. The spring is a spiral spring, which reliably exerts force on the connecting bracket, reliably presses the protruding part of the connecting block of the connecting bracket in the type groove, ensures the reliable connection between the connecting bracket and the guiding block, ensures the flexible connection structure between the guiding block and the connecting block, and plays a buffering role.

[0024] The carbon brush assembly 1 is hingedly connected with the insulator 5 through the carbon brush assembly connecting pin 8. The upper part of the carbon brush assembly 1 is provided with two upward protruding connecting plate pieces 13, a gap part is arranged between the two connecting plate pieces 13, the lower part of the insulator 5 is inserted in the gap part between the two connecting plate pieces 13, and the insulator 5 is connected with the carbon brush assembly 1 through the carbon brush assembly connecting pin 8. The connection between the carbon brush assembly 1 and the insulator 5 is a movable structure, and the disassembly and assembly are convenient.

[0025] The connecting block 7 is hingedly connected with the connecting bracket 4 through the connecting block connecting pin 6. The connecting block 7 and the connecting bracket 4 are movably connected, and the disassembly and assembly are convenient.

[0026] The insulator 5 is hingedly connected with the lower part of the guiding block 9 through the insulator connecting pin 2. The insulator and the guiding block are movably connected, and the disassembly and assembly are convenient.

[0027] When the carbon brush assembly 1 of the rail transit vehicle carbon brush assembly connecting structure contacts the power supply rail 14, the spring 3 is arranged in a structure capable of pressing the protruding part 12 of the connecting block 7 in the type groove 11 by exerting force on the connecting bracket 4. The connecting bracket and the guiding block are flexibly connected, the carbon brush assembly can have a certain elastic contact force when contacting the power supply rail, and the carbon brush assembly can be automatically corrected when the direction changes due to a small curve or a large slope when sliding in the power supply rail groove, so that the position of the carbon brush assembly is corrected, and the carbon brush assembly is always kept in the power supply rail groove. During the running of the rail transit vehicle, the carbon brush assembly is in a sliding state in the power supply rail sliding groove, so as to ensure the safety of the running of the urban rail transit vehicle.

[0028] The carbon brush assembly connecting structure of the rail transit vehicle, when arranged, on one hand, the connecting bracket is connected to the vehicle body of the rail transit vehicle, on the other hand, the carbon brush assembly contacts the power supply rail. During the driving of the rail transit vehicle, the carbon brush assembly contacts the power supply rail, the spring exerts force on the connecting bracket, and the fixedly connected connecting block of the connecting bracket is pressed into the type groove. In this way, the connecting bracket and the guide block are flexible structures, the connecting bracket is fixedly connected to the vehicle body, the guide block can change position within a certain range relative to the vehicle body, and the spring prevents the connecting block from easily separating from the type groove, ensuring the reliability of the connection. The carbon brush assembly connecting structure of the rail transit vehicle is simple in structure, effectively ensures that the carbon brush assembly always travels along the existing direction of the power supply rail groove when the rail transit vehicle passes through a curve or a slope, travels along the curve or the slope of the power supply rail sliding groove, and prevents the carbon brush assembly from separating from the power supply rail, improving the contact reliability of the carbon brush assembly and the driving safety of the vehicle.

[0029] The application is described above in conjunction with the drawings, and it is obvious that the specific implementation of the application is not limited by the above method. Any improvement or direct application of the method concept and technical solution of the application to other occasions is within the protection scope of the application.

Claims

1. A rail transit vehicle carbon brush assembly connection structure, characterized in that: The carbon brush assembly (1) is connected with the guide block (9) through the insulator (5), the guide block (9) is provided with a groove part (10) on one side, one end of the connecting support (4) is movably clamped in a groove (11) at the lower part of the groove part (10) through the connecting block (7), and the upper end of the connecting support (4) is connected with the upper part of the groove part (10) through the spring (3). The groove (11) at the lower part of the groove part (10) is provided in a concave V-shaped structure, and the extension direction of the groove (11) is perpendicular to the extension direction of the carbon brush assembly (1). The lower part of the connecting block (7) is provided with a protruding protruding part (12) in a protruding V-shaped structure, and the extension direction of the protruding part (12) is parallel to the extension direction of the groove (11). The guide block (9) is provided in an n-shaped structure. One end of the spring (3) is fixedly connected with the connecting support (4), and the other end of the spring (3) is fixedly connected with the upper part of the groove part (10) of the guide block (9). The upper part of the carbon brush assembly (1) is provided with two upward protruding connecting plate pieces (13), a gap part is arranged between the two connecting plate pieces (13), the lower part of the insulator (5) is inserted into the gap part between the two connecting plate pieces (13), and the carbon brush assembly (1) is connected through the carbon brush assembly connecting pin (8). When the carbon brush assembly (1) of the rail transit vehicle carbon brush assembly connecting structure is in contact with the power rail (14), the spring (3) is arranged in a structure capable of pressing the protruding part (12) of the connecting block (7) into the groove (11) by applying force on the connecting support (4).

2. The rail vehicle carbon brush assembly connection structure of claim 1, wherein: The carbon brush assembly (1) is hingedly connected with the insulator (5) through the carbon brush assembly connecting pin (8).

3. The rail vehicle carbon brush assembly connection structure of claim 1 or 2, wherein: The connecting block (7) is hingedly connected with the connecting support (4) through the connecting block connecting pin (6).

4. The rail vehicle carbon brush assembly connection structure of claim 1 or 2, wherein: The insulator (5) is hingedly connected with the lower part of the guide block (9) through the insulator connecting pin (2).

Citation Information

Patent Citations

  • Multiphase sliding feed device

    CN107444130A

  • Straddle type monorail vehicle current collection system

    CN112659906A