Brake control device integrated hanging bracket used under urban railway vehicle

By designing an integrated hanger with a quadrilateral hollow frame structure, the problems of poor versatility and welding deformation of traditional hangers were solved, realizing universal hoisting of the braking control device and reasonable pipeline layout, thus improving assembly quality and maintenance convenience.

CN223635539UActive Publication Date: 2025-12-05CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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Patent Information

Application Number
CN202520357873.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-05
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Traditional urban rail vehicles have poor versatility in their undercarriage braking control device hangers, which are prone to deformation after welding and have unreasonable pipeline layouts, resulting in incomplete assembly and difficult maintenance.

Method used

Design an integrated hanger with a quadrilateral hollow frame structure, adopting distributed welding positions and optimized pipeline layout. The integrated hanger is equipped with multiple connection holes and lifting lugs to accommodate different styles of braking control devices. Welding deformation is controlled by special tooling fixtures, and welding quality is detected by radiographic testing.

Benefits of technology

It enables universal hoisting of different braking control devices, ensures consistent air circuit interfaces, optimizes pipeline layout, avoids assembly gaps and interference, and improves maintenance space and aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a brake control device integrated hanging bracket used under an urban railway vehicle, and belongs to the technical field of installation of components under rail transit vehicles. A stand column is fixedly connected to the position, corresponding to a vehicle body welding sliding groove, of the upper portion of the frame body, first connecting holes A are formed in the top end of the stand column, hanging plates are symmetrically and fixedly connected to the lower portion of the frame body, second connecting holes B are formed in the hanging plates, and a pipeline arrangement area is arranged on the portion, located on one side of the hanging plates, of the lower portion of the frame body. A lifting lug is fixedly connected to the position, located on the edge of the pipeline arrangement area, of the frame body, third connecting holes C are distributed in the lifting lug, and the lifting lug is used for installing a pipeline. The lifting frame is good in universality, the pipeline arrangement design is optimized, a good foundation is laid for the unified design of pipelines under a vehicle, the welding positions of the lifting frame are scattered and reasonable, and the welding efficiency is improved. And the conditions of flash seams and interference after the brake control device is installed are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit vehicle undercarriage component installation technical field especially relates to a city rail vehicle undercarriage brake control device integrated hanger. BACKGROUND

[0002] At present, the traditional city rail vehicle undercarriage brake control device hanger only hoists the brake control device whole, and all air path interfaces are towards the car, as shown in the drawing, the hanger is welded by the web plate, the bottom plate, the connecting plate, the base and the grounding seat, the brake control device back plate is connected with the hanger through the bolt of three M12 of the hanger bottom, and the brake control device and the hanger whole are hoisted on the car body welded sliding groove through the bolt of four M12 of the hanger top. Figure 1

[0003] The traditional brake control device installation hanger has the advantages that the overall size is small, the structure is simple on the basis of meeting the strength, and the cost performance is high, but the hanger also has the following shortcomings:

[0004] 1) only can be used for the installation of one style brake control device, and the universality is poor;

[0005] 2) because the hanger plate welding position is dense, the welding amount is large, in the welding process, the component generates thermal strain and compression plastic strain in the weld and the near seam area of the base material due to local high-temperature heating and rapid cooling, causes internal stress, causes the component to produce deformation, the existing welding process is difficult to control the flatness of the hanger plate mounting surface and the perpendicularity of the hanger plate whole, and then causes the hanger plate and the brake control device to appear flash joint when assembling;

[0006] 3) after the hanger plate is installed, cannot reasonably arrange according to the undercarriage pipeline, cannot change the air path interface position and direction of the brake control device, causes the pipe to be closely arranged behind the brake control device, the space for maintenance, disassembly and torque striking is small, and the electrical wire pipe is complexly interlaced together, and it is not beautiful. UTILITY MODEL CONTENTS

[0007] The utility model discloses a city rail vehicle undercarriage brake control device integrated hanger, which can hoist different styles of brake control devices using the hanger plate, ensure the consistency of air path interfaces, reasonably arrange the air path interfaces, optimize the pipeline arrangement design, lay a good foundation for the unified design of undercarriage pipelines, and avoid the occurrence of flash joint and interference after the installation of the brake control device.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The utility model discloses a city rail vehicle undercarriage brake control device integrated hanger, comprising:​

[0010] The upper part of the frame body is fixedly connected with a stand column corresponding to the welding sliding groove position of the vehicle body, the top end of the stand column is provided with a first connecting hole A, the lower part of the frame body is fixedly connected with a hanging plate symmetrically, the hanging plate is provided with a second connecting hole B, wherein, the lower part of the frame body is provided with a pipeline arrangement area at one side of the hanging plate, and the frame body is fixedly connected with an ear at the edge position of the pipeline arrangement area, the ear is provided with a third connecting hole C for installing the pipeline.

[0011] Further, a back plate is further included, the back plate is provided with a through hole corresponding to the position of the second connecting hole B, and the back plate is provided with a plurality of fourth connecting holes D for connecting the pipeline with the third connecting hole C.

[0012] Further, the frame body is a quadrilateral hollow frame structure.

[0013] Further, the frame body includes two symmetrically arranged side plates, one end of the two side plates is welded with a first connecting plate, and the other end is welded with a second connecting plate, and the first connecting plate is welded with the stand column.

[0014] Further, the side plate and the first connecting plate are both L-shaped bent plates, and the second connecting plate is a Z-shaped bent plate.

[0015] Further, the hanging plate is an L-shaped bent plate.

[0016] Further, a plurality of grounding seats are further included, and the hanging plate and the stand column are fixedly connected with the grounding seats.

[0017] In the above technical scheme, the utility model provides a kind of integrated hanging bracket for brake control device under urban rail vehicle, and there is beneficial effect:

[0018] The integrated hanging bracket is connected with the vehicle body by the stand column on the upper part of the frame body, and the lower part is fixedly connected with the hanging plate symmetrically, for installing brake control device, and pipeline arrangement area is arranged at one side of the hanging plate, so that the integrated hanging bracket is integrated with pipeline, and the ear for hoisting pipeline is fixedly connected at the edge position of the frame body, so that different styles of brake control device can be hoisted by the integrated hanging bracket, and the gas path interface is consistent, the gas path interface is reasonably arranged, the pipeline arrangement design can be optimized, a good foundation is laid for the design of uniform type of pipeline under vehicle, in addition, the welding position of the hanging bracket is dispersed and reasonable, so that the situation of flash gap and interference after installing brake control device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0020] Figure 1 is a schematic diagram of a hanging bracket structure in the prior art;

[0021] Figure 2 is a front view of a brake control device integrated hanging bracket for a metro vehicle disclosed by the present application;

[0022] Figure 3 is a left view of a brake control device integrated hanging bracket for a metro vehicle disclosed by the present application;

[0023] Figure 4 is a top view of a brake control device integrated hanging bracket for a metro vehicle disclosed by the present application;

[0024] Figure 5 is an A-view of a brake control device integrated hanging bracket for a metro vehicle disclosed by the present application.

[0025] Explanation of reference signs:

[0026] 1, bracket main body; 101, first connecting plate; 102, second connecting plate; 2, stand; 3, hanging plate; 4, hanging lug; 5, back plate; 6, grounding seat; 7, pipeline. DETAILED DESCRIPTION

[0027] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the accompanying drawings.

[0028] Referring to Figures 2-5 ;

[0029] The utility model discloses a brake control device integrated hanging bracket for a metro vehicle, which comprises a bracket main body 1.

[0030] A stand 2 is fixedly connected to the upper part of the bracket main body 1 through a welding process at a position corresponding to a sliding groove welded to a vehicle body, and a first connecting hole A is arranged at the top end of the stand 2; the first connecting hole A is connected to a mounting interface on the vehicle body through a bolt; a hanging plate 3 is fixedly connected to the lower part of the bracket main body 1 symmetrically through a welding process, and a second connecting hole B is arranged in the hanging plate 3; different styles of brake control devices are installed by using the second connecting hole B, so as to ensure universality.

[0031] Among them, referring to Figure 3As shown, the lower part of the frame body 1 is arranged on one side of the hanging plate 3, and a pipeline arrangement area is arranged in the pipeline arrangement area. The pipeline arrangement area is optimized to ensure that the gas path interface is reasonably arranged, and the hanging lug 4 is fixedly connected to the edge of the pipeline arrangement area. The third connecting hole C is arranged on the hanging lug 4, which is used to install the pipeline 7.

[0032] In a specific embodiment, the integrated hanging bracket is made of 3mm and 5mm steel plate of Q345E material after bending and welding. In the welding process, the steel plate is mostly connected by angle joints, and double-sided welding is used according to the thickness of the plate. By optimizing the welding parameters, full penetration welding is ensured. In order to ensure the flatness and perpendicularity of the hoisting and installation surface to meet the high precision requirements, a special tool clamp is needed for rigid fixation. That is, the welding starts with spot welding positioning, and then continuous welding is carried out along the predetermined welding sequence. The welding sequence follows the symmetry and dispersion principle, effectively controls the distribution of welding thermal stress, and prevents excessive deformation.

[0033] After the completion of the key welding position, professional detection techniques such as radiographic testing are used to ensure that the welding defects are controlled within the allowable range and fully meet the relevant quality standards.

[0034] The integrated pipeline inside the hanging bracket is based on the standardized (universal) installation hole position to realize the function of a universal hanging bracket module and adapt to the installation of different types of brake control devices.

[0035] Referring to Figure 2 As shown, the integrated hanging bracket also includes a back plate 5. The back plate 5 is provided with a through hole corresponding to the position of the second connecting hole B. The back plate 5 is connected by bolts between the through hole and the second connecting hole B of the hanging plate 3. During assembly, the brake control device is installed on the back plate 5, and the bolt assembly on the second connecting hole B is used to fix the brake control device.

[0036] The back plate 5 is provided with a plurality of fourth connecting holes D, and the fourth connecting holes and the third connecting holes C are connected by the pipeline 7, as shown in Figures 3-5 As shown, the pipeline arrangement area is arranged in the pipeline arrangement area, and the gas path interface is reasonable, which lays a good foundation for the universal design of the off-car pipeline.

[0037] Referring to Figure 4 As shown:

[0038] Preferably, the frame body 1 is a quadrilateral hollow frame structure, and the frame body 1 includes two symmetrically arranged side plates, a first connecting plate 101 is welded at one end between the two side plates, and a second connecting plate 102 is welded at the other end. The first connecting plate 101 is welded with a stand 2, wherein the structure of the side plate and the first connecting plate 101 is an L-shaped bent plate, and the structure of the second connecting plate 102 is a Z-shaped bent plate.

[0039] Preferably, the integrated hanger further comprises a plurality of grounding seats, the hanger plate 3 is configured as an L-shaped bent plate, and the hanger plate 3 and the stand 2 are fixedly connected with the grounding seats, and the grounding seats are provided with fasteners.

[0040] In the technical scheme, the utility model provides a kind of brake control device integrated hanger under urban rail vehicle, and use method:

[0041] The stand 2 on the upper part of the hanger main body 1 is connected with the vehicle body by bolt through the first connecting hole A, the brake control device is connected with the hanger plate 3 and the back plate 5 through the second connecting hole B, the air inlet of the brake control device is connected with the fourth connecting hole D on the back plate 5, and is communicated with the pipeline on the vehicle body through the pipeline 7.

[0042] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, under the condition of not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A brake control device integrated hanger for metro vehicle under car, characterized in that, Include: The upper part of the frame body (1) is fixed with a stand (2) corresponding to the welding groove position of the vehicle body, the top end of the stand (2) is provided with a first connecting hole A, the lower part of the frame body (1) is fixed with a hanging plate (3) symmetrically, the hanging plate (3) is provided with a second connecting hole B; Wherein, the lower part of the frame body (1) is provided with a pipeline arrangement area on one side of the hanging plate (3), and the frame body (1) is fixed with a lifting lug (4) at the edge of the pipeline arrangement area, the lifting lug (4) is provided with a third connecting hole C, which is used for installing pipeline (7).

2. The integrated hanger of a brake control device under a metro vehicle according to claim 1, characterized in that ; It also includes a back plate (5), the back plate (5) is provided with a through hole corresponding to the position of the second connecting hole B, and the back plate (5) is provided with a plurality of fourth connecting holes D, which are used for pipeline connection with the third connecting hole C.

3. The integrated hanger of a brake control device under a metro vehicle according to claim 1, characterized in that ; The frame body (1) is a quadrilateral hollow frame structure.

4. The integrated hanger of a brake control device under a metro vehicle according to claim 3, characterized in that ; The frame body (1) includes two symmetrically arranged side plates, one end of the two side plates is welded with a first connecting plate (101), and the other end is welded with a second connecting plate (102), and the first connecting plate (101) is welded with the stand (2).

5. The integrated hanger of a brake control device under a metro vehicle according to claim 4, Its features are; The structure of the side plate and the first connecting plate (101) is L-shaped bending plate, and the structure of the second connecting plate (102) is Z-shaped bending plate.

6. The integrated hanger of a brake control device under a metro vehicle according to claim 1, characterized in that ; The structure of the hanging plate (3) is L-shaped bending plate.

7. The integrated hanger of a brake control device under a metro vehicle according to claim 1, characterized in that ; It also includes a plurality of grounding seats, the hanging plate (3) and the stand (2) are fixed with the grounding seats.