CN111824105A - Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof - Google Patents
Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof Download PDFInfo
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- CN111824105A CN111824105A CN202010715087.6A CN202010715087A CN111824105A CN 111824105 A CN111824105 A CN 111824105A CN 202010715087 A CN202010715087 A CN 202010715087A CN 111824105 A CN111824105 A CN 111824105A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 20
- 210000001503 joint Anatomy 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
Abstract
The invention provides a vehicle body section integrating a brake system air supply pipeline and a manufacturing and installing method thereof, wherein the brake system air supply pipeline is integrated into a cavity formed by stretching the vehicle body section, and the pipeline is connected and fixedly integrated into the stretching, assembling and sealing of the section, so that the independent manufacturing and installing of the pipeline are replaced, the pipeline installing space and tool are saved, and the manufacturing and overhauling cost and the operation amount of the whole vehicle are reduced. 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 invention relates to a vehicle body section bar applied to an integrated braking system air supply pipeline of a railway vehicle and a manufacturing and installing method thereof, belonging to the technical field of mechanical manufacturing.
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.
Disclosure of Invention
The application the automobile body section bar of integration braking system air feed pipeline and manufacturing installation method thereof, its aim at solve the problem that above-mentioned prior art exists and propose the die cavity after the integration braking system air feed pipeline is automobile body section bar stretch forming, with the pipeline connection with fixed integration for the drawing of section bar, equipment and sealed simultaneously 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 maintenance 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.
Based on the structural design of the vehicle body section bar of the integrated brake system air supply pipeline, the application simultaneously provides the following manufacturing and mounting method of the vehicle body section bar:
when the car body section is stretched and formed, a plurality of cavities which are sealed and spaced through partition walls are formed at one time, and the cavities comprise a first cavity used as a main air pipe of a braking system, a second cavity used as a braking pipe of the braking system and other cavities; spacing cavities are respectively arranged at the upper parts and the side parts of the first cavity and the second cavity; 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 from the inner upper surface of the vehicle body section and are more than 30mm away; the pipeline cavity walls of the first cavity and the second cavity are thicker than other cavity walls; and a plurality of identification areas which are easy to identify the warning marks of the pipeline cavity are processed on the inner upper surface and the outer lower surface of the vehicle body section.
Furthermore, the vehicle body section is welded in the axial center area of the vehicle body, and the first cavity and the second cavity are arranged on two sides of the axial center line of the vehicle body.
Furthermore, sealing plates are adopted to weld and seal the end parts of the first cavity and the second cavity.
Furthermore, transition joints are arranged at the connecting openings at the bottoms of the first cavity and the second cavity and are in butt joint with other pipeline joints of the braking system.
Furthermore, at least one condensed water outlet is arranged at the bottom of the first cavity and the second cavity and is sealed by installing a plug through a transition joint.
The manufacturing and mounting method of the vehicle body section mainly comprises the following implementation steps:
(1) the aluminum profiles integrating the 2 pipeline cavities are formed by one-time stretching processing, and marks are sprayed on the inner upper surface and the outer lower surface of the vehicle body profile;
(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 for welding a sealing plate;
(3) the car body section is provided with a connecting opening and a condensed water outlet, and transition joints are arranged at the connecting opening and the condensed water outlet; the transition joint is screwed into the opening through interference fit and is connected with other pipeline joints and the plug;
(4) cleaning and cleaning the interior of the pipeline cavity, and welding the end face of the closed section by adopting a sealing plate;
(5) performing a pressure maintaining test on the pipeline cavity;
(6) welding the vehicle body section qualified in the pressure maintaining test to the axial center area of the bottom of the vehicle body;
(7) and connecting other pipeline joints of the brake system with the transition joint to complete the connection with the air processing unit or the brake system equipment, and completing the installation of the whole vehicle pipeline.
In summary, the vehicle body section integrating the air supply pipeline of the braking system and the manufacturing and mounting method thereof have the following advantages and beneficial effects:
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 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 solution that does not depart from the structure of the present invention is also within the scope of the right of the technical solution of the present invention.
Claims (10)
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.
5. The method for manufacturing and installing the vehicle body section bar of the integrated brake system air supply pipeline according to any one of the claims 1 to 4, is characterized in that: when the car body section is stretched and formed, a plurality of cavities which are sealed and spaced through partition walls are formed at one time, and the cavities comprise a first cavity used as a main air pipe of a braking system, a second cavity used as a braking pipe of the braking system and other cavities;
spacing cavities are respectively arranged at the upper parts and the side parts of the first cavity and the second cavity;
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 from the inner upper surface of the vehicle body section and are more than 30mm away;
the pipeline cavity walls of the first cavity and the second cavity are thicker than other cavity walls;
and a plurality of mark areas of the pipeline cavity warning marks are processed on the inner upper surface and the outer lower surface of the vehicle body section.
6. The method for manufacturing and installing the vehicle body section bar of the air supply pipeline of the integrated brake system according to claim 5, wherein the method comprises the following steps: the car body section is welded in the transverse central area of the car body, and the first cavity and the second cavity are arranged on two sides of the transverse central line of the car body.
7. The method for manufacturing and installing the vehicle body section bar of the air supply pipeline of the integrated brake system according to claim 5, wherein the method comprises the following steps: and sealing plates are adopted to weld and seal the end parts of the first cavity and the second cavity.
8. The method for manufacturing and installing the vehicle body section bar of the air supply pipeline of the integrated brake system according to claim 5, wherein the method comprises the following steps: transition joints are arranged at the connecting openings at the bottoms of the first cavity and the second cavity and are in butt joint with other pipeline joints of the braking system.
9. The method for manufacturing and installing the vehicle body section bar of the air supply pipeline of the integrated brake system according to claim 5, wherein the method comprises the following steps: at least one condensed water outlet is arranged at the bottom of the first cavity and the second cavity and is sealed by installing a plug through a transition joint.
10. The method for manufacturing and installing the vehicle body section bar of the air supply pipeline of the integrated brake system according to claim 5, wherein the method comprises the following steps: comprises the following implementation steps of the method,
(1) the aluminum profiles integrating the 2 pipeline cavities are formed by one-time stretching processing, and marks are sprayed on the inner upper surface and the outer lower surface of the vehicle body profile;
(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 for welding a sealing plate;
(3) the car body section is provided with a connecting opening and a condensed water outlet, and transition joints are arranged at the connecting opening and the condensed water outlet; the transition joint is screwed into the opening through interference fit and is connected with other pipeline joints and the plug;
(4) cleaning and cleaning the interior of the pipeline cavity, and welding the end face of the closed section by adopting a sealing plate;
(5) performing a pressure maintaining test on the pipeline cavity;
(6) welding the vehicle body section qualified in the pressure maintaining test to the transverse central area of the bottom of the vehicle body;
(7) and connecting other pipeline joints of the brake system with the transition joint to complete the connection with the air processing unit or the brake system equipment, and completing the installation of the whole vehicle pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715087.6A CN111824105A (en) | 2020-07-23 | 2020-07-23 | Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715087.6A CN111824105A (en) | 2020-07-23 | 2020-07-23 | Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111824105A true CN111824105A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010715087.6A Pending CN111824105A (en) | 2020-07-23 | 2020-07-23 | Vehicle body section for integrating air supply pipeline of brake system and manufacturing and mounting method thereof |
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| CN (1) | CN111824105A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935372A (en) * | 2014-04-21 | 2014-07-23 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle chassis structure |
| CN105241659A (en) * | 2015-11-09 | 2016-01-13 | 太原鹏跃电子科技有限公司 | Pressure gage flow guide connector for special rail vehicle brake test stand |
| DE102015209807A1 (en) * | 2015-05-28 | 2016-12-01 | Siemens Aktiengesellschaft | Vehicle with fluid line |
| CN109027457A (en) * | 2018-08-21 | 2018-12-18 | 中车南京浦镇车辆有限公司 | A kind of pipeline erection joint |
| CN212529616U (en) * | 2020-07-23 | 2021-02-12 | 青岛四方庞巴迪铁路运输设备有限公司 | Vehicle body section bar integrating air supply pipeline of braking system |
-
2020
- 2020-07-23 CN CN202010715087.6A patent/CN111824105A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935372A (en) * | 2014-04-21 | 2014-07-23 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle chassis structure |
| DE102015209807A1 (en) * | 2015-05-28 | 2016-12-01 | Siemens Aktiengesellschaft | Vehicle with fluid line |
| CN105241659A (en) * | 2015-11-09 | 2016-01-13 | 太原鹏跃电子科技有限公司 | Pressure gage flow guide connector for special rail vehicle brake test stand |
| CN109027457A (en) * | 2018-08-21 | 2018-12-18 | 中车南京浦镇车辆有限公司 | A kind of pipeline erection joint |
| CN212529616U (en) * | 2020-07-23 | 2021-02-12 | 青岛四方庞巴迪铁路运输设备有限公司 | Vehicle body section bar integrating air supply pipeline of braking system |
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Application publication date: 20201027 |
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