CN212529616U - Vehicle body section bar integrating air supply pipeline of braking system - Google Patents
Vehicle body section bar integrating air supply pipeline of braking system Download PDFInfo
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- CN212529616U CN212529616U CN202021464731.9U CN202021464731U CN212529616U CN 212529616 U CN212529616 U CN 212529616U CN 202021464731 U CN202021464731 U CN 202021464731U CN 212529616 U CN212529616 U CN 212529616U
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Abstract
Integration braking system air feed pipeline's automobile body section bar, propose to integrate the braking system air feed pipeline into the die cavity behind the tensile shaping of automobile body section bar, simultaneously with the pipe connection with fixed integration for the drawing of section bar, equipment and sealed to replace the independent manufacturing and the installation of pipeline, realize saving pipeline installation space and frock, reduce the effect that whole car made and maintenance cost, operation volume. The vehicle body section is provided with a plurality of cavities which are sealed and spaced through partition walls, and comprises at least 2 pipeline cavities and other cavities; the pipeline cavity and other cavities are formed by one-time processing during the stretching forming of the car body section; the pipeline cavity comprises a first cavity used as a main air pipe of the braking system and a second cavity used as a braking pipe of the braking system; and spaced cavities are respectively arranged at the upper parts and the side parts of the first cavity and the second cavity.
Description
Technical Field
The utility model relates to a be applied to rail vehicle's integration braking system air feed pipeline's automobile body section bar belongs to the machine-building technical field.
Background
At present, along with the rapid construction of domestic high-speed rail vehicles, various research technologies are rapidly applied, and aluminum alloy section vehicle bodies are greatly popularized due to design requirements such as air tightness, noise and the like. Different stretching cavities are designed according to the strength and rigidity of the vehicle, and the cavities have no other functions except for supporting the mechanical strength of the whole vehicle.
The existing brake system pipeline arrangement mode basically adopts a stainless steel seamless steel pipe to be connected with a pipe joint and then uses a pipe clamp to fix a pipe clamp bracket welded on a vehicle body. Because the pipeline in the vehicle is spread all over the whole vehicle, the pipeline design is more complicated, the number of parts is more, the installation form is tedious, the workload is larger, and the manufacturing cost is higher.
At present, a stretching cavity of a vehicle body section is not disclosed at home and abroad, and is used for integrating the related design of a brake system air supply pipeline. In view of this, the present patent application is specifically proposed.
SUMMERY OF THE UTILITY MODEL
The application integration braking system air feed pipeline's automobile body section bar, its aim at solve the problem that above-mentioned prior art exists and propose the die cavity after the braking system air feed pipeline integration is the tensile shaping of automobile body section bar, simultaneously with the pipeline connection with fixed integration for the drawing of section bar, equipment and sealed to replace the independent manufacturing and the installation of pipeline, realize saving pipeline installation space and frock, reduce the effect that whole car was made and is overhauld cost, work load.
In order to achieve the design purpose, the vehicle body section integrating the air supply pipeline of the braking system is provided with a plurality of cavities which are sealed and spaced by partition walls, and comprises at least 2 pipeline cavities and other cavities; the pipeline cavity and other cavities are formed by one-time processing during the stretching forming of the car body section; the pipeline cavity comprises a first cavity used as a main air pipe of the braking system and a second cavity used as a braking pipe of the braking system; and spaced cavities are respectively arranged at the upper parts and the side parts of the first cavity and the second cavity.
Further, the first cavity and the second cavity are both arranged at the bottom of the vehicle body section, namely, the first cavity and the second cavity are farthest away from the inner upper surface of the vehicle body section.
Furthermore, the pipeline cavity walls of the first cavity and the second cavity are thicker than other cavity walls, and the thickness of the pipeline cavity walls is not less than 4 mm.
Furthermore, a plurality of identification areas for pasting the pipeline cavity warning marks are arranged on the inner upper surface and the outer lower surface of the vehicle body section.
In summary, the car body section integrating the air supply pipeline of the brake system has the following advantages:
1. the air supply pipeline of the braking system is integrated in the vehicle body section, so that a large number of pipelines and processing and assembling processes of parts such as connection, installation and the like are saved, the manufacturing and installing costs of a large number of pipes for the whole vehicle and pipe clamp supports of the pipes are saved, meanwhile, a large tool space in the vehicle is saved, the interference of a plurality of parts is directly reduced, and the layout in the vehicle is more reasonable.
2. The installation procedures of corresponding pipelines are reduced, the manufacturing period of the whole vehicle is reduced, and the production process is optimized.
3. The service life of the pipeline formed by the stretching cavity is the same as that of the vehicle body, and the pipeline does not need to be disassembled or maintained additionally, so that the on-site tool detection and maintenance workload of the whole vehicle can be reduced.
4. Directly reduce whole car weight, be favorable to further improving vehicle lightweight design level and speed-per-hour of operation.
5. The unification of the modular design of the pipeline and the vehicle body section is realized, and the improvement of the control performance of the brake system is facilitated.
6. This application design simple accurate, when guaranteeing the demand of automobile body intensity and rigidity, regard the die cavity as vehicle braking system pipeline to use, but the wide application is in the automobile body of the tensile section bar processing of all aluminum alloys and is made and use the link.
Drawings
The present invention will now be further described with reference to the following drawings;
FIG. 1 is a cross-sectional view of a vehicle body section incorporating a brake system air supply duct according to the present application;
FIG. 2 is a schematic bottom view of the installation of the profile of the integrated brake system supply air duct at the body interface;
FIG. 3 is a schematic view of the end cavity seal of the body section;
fig. 4 is a schematic view of the bottom drain plugging of the vehicle body section.
In the above figures, there are a first cavity 1-1, a second cavity 1-2, an inner upper surface 2, a pipe cavity wall 3, a separation cavity 4, a logo region 5, an outer lower surface 6, another cavity 7, another cavity wall 8, a transverse central region 12, a sealing plate 13, a connection opening 14, a transition joint 15, a condensate outlet 16, another pipe joint 18, and a plug 19.
Detailed Description
Embodiment 1, as shown in fig. 1, the body section of the integrated brake system air supply pipeline has a plurality of cavities sealed and spaced from each other by partition walls, wherein at least 2 pipeline cavities and other cavities 7 are included;
the pipeline cavity comprises a first cavity 1-1 used as a main air pipe of the braking system and a second cavity 1-2 used as a braking pipe of the braking system.
The first cavity 1-1, the second cavity 1-2 and other cavities 7 are formed by one-time processing during the stretching forming of the vehicle body section.
Specifically, the upper part and the side part of the first cavity 1-1 and the second cavity 1-2 are respectively provided with an interval cavity 4; the first cavity 1-1 and the second cavity 1-2 are separated from other cavities 7 through the separation cavity 4, so that the safety protection of the pipeline cavity is realized.
The first cavity 1-1 and the second cavity 1-2 are both arranged at the bottom of the body section, i.e. furthest from the inner upper surface 2 of the body section. The distance is preferably larger than 30mm, so that the safety protection effect is further improved, the cavity wall of the pipeline cavity is prevented from being damaged due to punching or welding operation when the built-in component is installed, and potential safety hazards caused by the operation of a braking system are avoided.
The pipeline cavity walls 3 of the first cavity 1-1 and the second cavity 1-2 are thicker than the other cavity walls 8 so as to meet the performance requirement of bearing air pressure of more than 1Mpa, and the pipeline cavity walls 3 are generally not less than 4mm thick.
A plurality of identification areas 5 for pasting the pipeline cavity warning marks are arranged on the inner upper surface 2 and the outer lower surface 6 of the vehicle body section. In the region of the inner upper surface 2 of the vehicle body profile, devices such as seat supports in the vehicle are correspondingly mounted; the outer tooling equipment is correspondingly arranged in the area of the outer lower surface 6 of the vehicle body section bar, so that the mark area 5 can remind workers that the construction operation is required to be carried out outside a sufficient width space without carrying out destructive processing and component installation in the pipeline cavity area.
Based on the structural design of the vehicle body section bar of the integrated brake system air supply pipeline, the application also provides the following manufacturing and mounting method for the vehicle body section bar.
As shown in figure 1, a plurality of cavities which are sealed and spaced with each other through partition walls are formed in one-step processing during the stretching forming of the car body section, and the cavities comprise a first cavity 1-1 used as a main air pipe of a braking system, a second cavity 1-2 used as a braking pipe of the braking system and other cavities 7;
wherein, the upper part and the side part of the first cavity 1-1 and the second cavity 1-2 are respectively provided with an interval cavity 4; the spacing cavity 4 spaces the first cavity 1-1 and the second cavity 1-2 from other cavities 7; the first cavity 1-1 and the second cavity 1-2 are both arranged at the bottom of the vehicle body section, namely, the first cavity and the second cavity are farthest from the inner upper surface 2 of the vehicle body section and are more than 30mm away; the pipeline cavity walls 3 of the first cavity 1-1 and the second cavity 1-2 are thicker than the other cavity walls 8; a plurality of identification areas 5 which are easy to identify the warning marks of the pipeline cavities are processed on the inner upper surface 2 and the outer lower surface 6 of the vehicle body section.
As shown in fig. 2, a vehicle body section integrating a brake system air supply pipeline is welded to a transverse central area 12 of a vehicle body, so that a first cavity 1-1 and a second cavity 1-2 are arranged on two sides of an axial central line of the vehicle body;
as shown in fig. 3, a sealing plate 13 is used for welding and sealing the end parts of the first cavity 1-1 and the second cavity 1-2; transition joints 15 are arranged at the bottom connecting openings 14 of the first cavity 1-1 and the second cavity 1-2 to realize butt joint with other pipeline joints 18 of the brake system;
as shown in fig. 4, at least one condensed water discharge port 16 is provided at the bottom of the first cavity 1-1 and the second cavity 1-2 to discharge condensed water formed inside the cavities. At the condensate drain 16, a plug 19 is mounted for sealing by means of the transition joint 15.
The manufacturing and mounting method of the vehicle body section integrating the air supply pipeline of the braking system comprises the following implementation steps:
(1) the aluminum profiles integrating 2 pipeline cavities are formed by one-time stretching processing; the material of the vehicle body section is EN AW6005, which has higher mechanical strength and corrosion resistance capability and replaces a stainless steel pipe used by the existing railway vehicle; the wall thickness of the pipeline type cavity wall 3 is 4mm, and the wall thickness of the other pipeline type cavity wall 8 is 2.2 mm;
light red and light green paint marks are respectively sprayed on the inner upper surface 2 and the outer lower surface 6 of the vehicle body section bar, so that a first cavity 1-1 and a second cavity 1-2 which are used as a main air pipeline and a brake pipeline can be directly distinguished from each other by visual inspection from the outside;
(2) cutting the vehicle body section according to the length size, processing drainage grooves at two ends of the section, and milling the inside of each drainage groove to form a notch of the welding sealing plate 13;
(3) a connecting opening 14 and a condensate water outlet 16 are formed in the vehicle body section bar, and a transition joint 15 is arranged at the connecting opening 14 and the condensate water outlet 16; the transition joint 15 may be a stainless steel material with fine threads (self-tapping threads) on the outside and standard threads on the inside; the transition joint 15 is screwed into the opening made of aluminum alloy material through interference fit to realize the effects of self sealing and incapability of being detached after connection; the internal thread of the transition joint 15 is used for connecting other pipeline joints 18 and a plug 19;
(4) cleaning and cleaning the interior of the pipeline cavity to remove scraps left after processing or installation, and welding the end face of the closed section by adopting a sealing plate 13 with the thickness of 4 mm;
(5) performing a pressure maintaining test on the pipeline cavity; introducing compressed air of 1.5Mpa from a transition joint 15, and testing whether the leakage rate within 3 minutes is not more than 2Kpa according to the requirement of pipeline connection airtightness; in addition, the sealing performance among the pipeline cavity, the end sealing plate, the water outlet sealing plug 19, the connecting pipeline, the opening of the equipment and the transition joint 15 needs to be verified;
(6) welding the vehicle body section qualified in the pressure maintaining test to the transverse central area 12 at the bottom of the vehicle body so as to avoid destructive operation on the vehicle body section;
(7) and connecting other pipeline joints 18 of the brake system with the transition joint 15 in a butt joint mode to complete connection with an air processing unit or brake system equipment, and completing installation of the whole vehicle pipeline.
Similar technical solutions can be derived from the solutions given in the figures and the description, as described above. However, any content of the technical solution not departing from the present invention still belongs to the right scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides an integrate automobile body section bar of braking system air feed pipeline which characterized in that: the device is provided with a plurality of cavities which are sealed and spaced by partition walls, and comprises at least 2 pipeline cavities and other cavities; the pipeline cavity and other cavities are formed by one-time processing during the stretching forming of the car body section;
the pipeline cavity comprises a first cavity used as a main air pipe of the braking system and a second cavity used as a braking pipe of the braking system; and spaced cavities are respectively arranged at the upper parts and the side parts of the first cavity and the second cavity.
2. The brake system air supply duct integrated body section bar of claim 1, wherein: the first cavity and the second cavity are both arranged at the bottom of the vehicle body section, namely, the first cavity and the second cavity are farthest away from the inner upper surface of the vehicle body section.
3. The brake system air supply duct integrated body section bar of claim 1, wherein: the pipeline cavity walls of the first cavity and the second cavity are thicker than other cavity walls, and the thickness of the pipeline cavity wall is not less than 4 mm.
4. The brake system air supply duct integrated body section bar of claim 1, wherein: and the upper surface of the inside and the lower surface of the outside of the vehicle body section are provided with a plurality of mark areas of the pipeline cavity warning marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021464731.9U CN212529616U (en) | 2020-07-23 | 2020-07-23 | Vehicle body section bar integrating air supply pipeline of braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021464731.9U CN212529616U (en) | 2020-07-23 | 2020-07-23 | Vehicle body section bar integrating air supply pipeline of braking system |
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| Publication Number | Publication Date |
|---|---|
| CN212529616U true CN212529616U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021464731.9U Active CN212529616U (en) | 2020-07-23 | 2020-07-23 | Vehicle body section bar integrating air supply pipeline of braking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824105A (en) * | 2020-07-23 | 2020-10-27 | 青岛四方庞巴迪铁路运输设备有限公司 | Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof |
-
2020
- 2020-07-23 CN CN202021464731.9U patent/CN212529616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824105A (en) * | 2020-07-23 | 2020-10-27 | 青岛四方庞巴迪铁路运输设备有限公司 | Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof |
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Address after: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Sifang Alstom railway transportation equipment Co.,Ltd. Address before: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province 266111 Patentee before: BOMBARDIER SIFANG (QINGDAO) TRANSPORTATION Ltd. |
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