CN112078611A - Novel lightweight aluminum alloy subway end wall structure - Google Patents
Novel lightweight aluminum alloy subway end wall structure Download PDFInfo
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- CN112078611A CN112078611A CN202010918210.4A CN202010918210A CN112078611A CN 112078611 A CN112078611 A CN 112078611A CN 202010918210 A CN202010918210 A CN 202010918210A CN 112078611 A CN112078611 A CN 112078611A
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- aluminum alloy
- end wall
- passage
- wall board
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model provides a novel lightweight aluminum alloy subway headwall structure, includes top wall board and two lower wallboards, and the top wall board adopts the welding to link firmly its characterized in that with the interface of two lower wallboards: the novel automobile type provides corresponding unified standards of core structure parameters such as aluminum material selection, appearance size characteristics and the like, so that the efficiency of automobile body design is improved, the design risk is reduced, and reference basis is provided for the platformization, standardization and modularization of the end wall structure of the aluminum alloy automobile body.
Description
Technical Field
The invention belongs to the technical field of manufacturing of subway vehicle bodies, and particularly relates to a novel light-weight aluminum alloy subway end wall structure.
Background
At present, the weight reduction of the urban railway vehicle body is an inevitable trend both from the viewpoint of performance and from the viewpoint of environmental protection.
The headwall structure is a component part of an urban railway vehicle body. At present, two types of vehicle body end wall structures of the aluminum alloy subway of the urban railway vehicle are provided. One is plate girder structure headwall, and the other is aluminium alloy assembly welding structure headwall.
1) The plate-girder structure end wall is shown in detail in figure 1, and is structurally characterized in that a vertical column B, a cross beam D and a longitudinal beam C are assembled and welded into an end wall framework, and then the end wall framework, an upper wall plate A and two end wall plates D, E are assembled and welded to form an end wall structure. The welding method has the advantages of more parts, large welding workload, large welding deformation, poor flatness of the welded end wall and heavy structure weight.
2) Aluminium alloy assembly welding structure: the structure is characterized in that the structure is a six-piece three-aluminum alloy section assembly welding structure, the upper wall plate G, H is a two-block two-section assembly welding structure, and the end wall plate J, K, L, M is a four-block two-section assembly welding structure. Compared with the plate girder structure, the number of the end wall parts is reduced, but the welding workload is still larger.
Disclosure of Invention
In order to achieve the unified aluminum alloy end wall structure, further improve the light weight level, simplify the end wall structure and solve the technical problem that the end wall of the Harbin No. 2 line vehicle does not have the unified standards of core structure parameters such as corresponding aluminum material selection, appearance size characteristics and the like.
In order to achieve the purpose, the invention provides a novel light-weight aluminum alloy subway end wall structure, which comprises an upper wall plate and two lower wall plates, wherein the interfaces of the upper wall plate and the two lower wall plates are fixedly connected by welding, and the novel light-weight aluminum alloy subway end wall structure is characterized in that: the top wall board is a large-section light-weight aluminum alloy section, the mounting positions of the top wall board, the top sealing frame of the run-through passage, the interior roof of the run-through passage and the interior roof of the end wall are square cavity structures with one thick wall and three thin walls, the protruding section in the shape of a Chinese character 'ri' of the top wall board and the bottom wall board is a door frame structure of the end wall, the mounting positions of the bottom wall board and the sealing frames on two sides of the run-through passage are square cavity structures with one thick wall and three thin walls, and the mounting positions of the bottom wall board, the supporting seat of the run-through passage, the side guard plate of the.
Preferably, the profile dimension L1-455 mm, L2-30 mm, L4-100 mm, L5-20 mm, L6-50 mm, and the installation dimension L3-184.5 mm of the through passage sealing frame.
Preferably, the profile dimension L7 of the lower wall panel profile is 30mm, L8 is 695mm, L9 is 100mm, L10 is 20mm, L11 is 13mm, L13 is 13mm, L14 is 50mm, and the installation dimension L12 of the sealing frames on both sides of the through passage is 220 mm.
Preferably, the aluminum profile material of the upper wallboard and the lower wallboard is EN AW-6005A-T6.
The novel lightweight aluminum alloy subway end wall can be directly used for Haerbin No. 2 vehicles in the concept design, and provides corresponding unified standards of core structure parameters such as aluminum material selection, appearance size characteristics and the like for the novel vehicles, so that the efficiency of vehicle body design is improved, the design risk is reduced, and a reference basis is provided for the realization of platformization, standardization and modularization of an aluminum alloy vehicle body end wall structure. In addition, the method can be popularized and applied to subsequent similar aluminum alloy vehicle types, and is beneficial to improving the technical level of subsequent projects.
Drawings
FIG. 1 is a schematic illustration of a prior art plate girder construction end wall;
FIG. 2 is a schematic view of an end wall of an aluminum profile assembly welding structure;
FIG. 3 is a novel lightweight aluminum alloy subway headwall structure of the present invention;
FIG. 4 is a sectional view of the top wall panel of the novel headwall structure of the present invention;
figure 5 is a profile view of the lower wall panel of the novel headwall structure of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings
Referring to fig. 3, the novel light-weight aluminum alloy subway end wall structure comprises an upper wall plate 1 and two lower wall plates 2, and is only composed of three parts, wherein the two lower wall plates are aluminum alloy sections with the same section. The whole end wall structure only needs two sections of aluminum alloy sections, so that the cost of section molds is reduced, and the vehicle cost is reduced. The interfaces of the upper wallboard 1 and the two lower wallboards 2 are fixedly connected by welding, the whole end wall is only provided with a welding seam, the structure is simple, the weight is light, the welding manufacturability is good, the time for welding and adjusting and repairing after welding is reduced, and the flatness of the end wall after welding is high.
The novel light-weight aluminum alloy subway end wall structure is used for installing the through passage device.
Referring to fig. 4, the upper wallboard 1 is a large-section light-weight aluminum alloy section, and the aluminum section material is EN AW-6005A-T6. In the figure, L1-455 mm, L2-30 mm, L4-100 mm, L5-20 mm, and L6-50 mm are the profile dimensions of the top wall panel profile, and L3-184.5 mm are the installation dimensions of the top sealing frame of the through passage. The upper wall plate 1, the top sealing frame of the through passage, the interior roof of the through passage and the installation part 101 of the interior roof of the end wall, as well as the wall 103 are all square cavity structures with thick walls, three sides and thin walls, so that the structure is light, and the requirement of the installation fastener of the through passage on the thickness of the fixed point section bar can be met.
Referring to fig. 5, the lower wall plate 2 is also a large-section lightweight aluminum alloy profile made of EN AW-6005A-T6. In the figure, the position 201 is used for installing sealing frames at two sides of a through passage, the positions 202 and 203 are used for installing supporting seats of the through passage, the position 204 is used for installing side protection plates of the through passage, and the position 205 is used for installing side end plates in an end wall. The mounting positions 201 of the lower wall plate and the sealing frames on two sides of the through passage are square cavity structures with thick walls and three edges and thin walls, and the mounting positions 202 and 205 of the lower wall plate, the supporting seat of the through passage, the side guard plate of the through passage and the side end plate arranged in the end wall are square cavity structures with thick walls and four edges and thin walls.
The profile dimension of the lower wall plate profile is 30mm, 695mm, 100mm, 20mm, 13mm, 50mm, and 220mm, wherein L7 is equal to L8, L9 is equal to L10, L11 is equal to L13 mm, L13 is equal to L14, and the installation dimension of the sealing frames on the two sides of the through passage is L12.
In the section of the upper wallboard 1 and the lower wallboard 2, the protruded Y-shaped sections at the positions of L4 and L6, L9 and L14 are end wall end door frame structures and serve as end wall frameworks to meet the requirements of strength and rigidity of end walls.
The upper wall plate 1, the lower wall plates 2 and 3 are welded and fixedly connected to form an integral bearing structure, the properties of the novel aluminum alloy subway body, such as strength, rigidity, fatigue and the like, meet the EN12663 standard requirements through finite element analysis, and the properties are verified through a static strength test.
Claims (4)
1. The utility model provides a novel lightweight aluminum alloy subway headwall structure, includes top wall board and two lower wallboards, and the top wall board adopts the welding to link firmly its characterized in that with the interface of two lower wallboards: the top wall board is a large-section light-weight aluminum alloy section, the mounting positions of the top wall board, the top sealing frame of the run-through passage, the interior roof of the run-through passage and the interior roof of the end wall are square cavity structures with one thick wall and three thin walls, the protruding section in the shape of a Chinese character 'ri' of the top wall board and the bottom wall board is a door frame structure of the end wall, the mounting positions of the bottom wall board and the sealing frames on two sides of the run-through passage are square cavity structures with one thick wall and three thin walls, and the mounting positions of the bottom wall board, the supporting seat of the run-through passage, the side guard plate of the.
2. The novel light-weight aluminum alloy subway end wall structure as claimed in claim 1, wherein: the profile dimension L1 of the top wall panel profile is 455mm, L2 is 30mm, L4 is 100mm, L5 is 20mm, L6 is 50mm, and the installation dimension L3 of the through passage sealing frame is 184.5 mm.
3. The novel light-weight aluminum alloy subway end wall structure as claimed in claim 1, wherein: the profile dimension of the lower wall plate profile is 30mm, 695mm, 100mm, 20mm, 13mm, 50mm, and 220mm, wherein L7 is equal to L8, L9 is equal to L10, L11 is equal to L13 mm, L13 is equal to L14, and the installation dimension of the sealing frames on the two sides of the through passage is L12.
4. The novel light-weight aluminum alloy subway end wall structure as claimed in claim 1, wherein: the aluminum profile material of the upper wallboard and the lower wallboard is EN AW-6005A-T6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918210.4A CN112078611A (en) | 2020-09-04 | 2020-09-04 | Novel lightweight aluminum alloy subway end wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918210.4A CN112078611A (en) | 2020-09-04 | 2020-09-04 | Novel lightweight aluminum alloy subway end wall structure |
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| Publication Number | Publication Date |
|---|---|
| CN112078611A true CN112078611A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010918210.4A Pending CN112078611A (en) | 2020-09-04 | 2020-09-04 | Novel lightweight aluminum alloy subway end wall structure |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386806A (en) * | 2021-07-30 | 2021-09-14 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle end wall composition and through passage design method |
| CN113460101A (en) * | 2021-08-06 | 2021-10-01 | 中车大连机车车辆有限公司 | Headwall structure and end equipment mounting structure |
| CN114407946A (en) * | 2021-12-20 | 2022-04-29 | 北京轨道交通技术装备集团有限公司 | End wall structure and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2468591A (en) * | 1947-10-24 | 1949-04-26 | Budd Co | End wall for railway cars |
| CN203402200U (en) * | 2013-08-15 | 2014-01-22 | 中国北车集团大连机车车辆有限公司 | Urban rail aluminum alloy vehicle end wall structure |
| CN104477186A (en) * | 2014-12-30 | 2015-04-01 | 辽宁忠旺集团有限公司 | Aluminum alloy train body end wall for subway and reverse deformation process thereof |
| CN205044741U (en) * | 2015-10-26 | 2016-02-24 | 中国北车集团大连机车车辆有限公司 | Headwall structure of city rail stainless steel vehicle |
| CN212447529U (en) * | 2020-09-04 | 2021-02-02 | 中车长春轨道客车股份有限公司 | Novel lightweight aluminum alloy subway end wall structure |
-
2020
- 2020-09-04 CN CN202010918210.4A patent/CN112078611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2468591A (en) * | 1947-10-24 | 1949-04-26 | Budd Co | End wall for railway cars |
| CN203402200U (en) * | 2013-08-15 | 2014-01-22 | 中国北车集团大连机车车辆有限公司 | Urban rail aluminum alloy vehicle end wall structure |
| CN104477186A (en) * | 2014-12-30 | 2015-04-01 | 辽宁忠旺集团有限公司 | Aluminum alloy train body end wall for subway and reverse deformation process thereof |
| CN205044741U (en) * | 2015-10-26 | 2016-02-24 | 中国北车集团大连机车车辆有限公司 | Headwall structure of city rail stainless steel vehicle |
| CN212447529U (en) * | 2020-09-04 | 2021-02-02 | 中车长春轨道客车股份有限公司 | Novel lightweight aluminum alloy subway end wall structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386806A (en) * | 2021-07-30 | 2021-09-14 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle end wall composition and through passage design method |
| CN113460101A (en) * | 2021-08-06 | 2021-10-01 | 中车大连机车车辆有限公司 | Headwall structure and end equipment mounting structure |
| CN114407946A (en) * | 2021-12-20 | 2022-04-29 | 北京轨道交通技术装备集团有限公司 | End wall structure and manufacturing method thereof |
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