CN113369675A - Carriage processing method, carriage and vehicle - Google Patents
Carriage processing method, carriage and vehicle Download PDFInfo
- Publication number
- CN113369675A CN113369675A CN202110783561.3A CN202110783561A CN113369675A CN 113369675 A CN113369675 A CN 113369675A CN 202110783561 A CN202110783561 A CN 202110783561A CN 113369675 A CN113369675 A CN 113369675A
- Authority
- CN
- China
- Prior art keywords
- side wall
- carriage
- plate
- stress concentration
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title claims description 9
- 238000003466 welding Methods 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000003754 machining Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 5
- 240000004282 Grewia occidentalis Species 0.000 abstract description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 7
- 239000010962 carbon steel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- 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
-
- 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
- B61D17/08—Sides
Abstract
The invention relates to the technical field of machining, in particular to a carriage machining method, a carriage and a vehicle, wherein the method comprises the steps of simultaneously cutting off materials of stress concentration areas at four corners of a window when cutting off materials of the window area of a side wall plate of the carriage; welding the reinforcing plate on the stress concentration area; according to the invention, the stress concentration areas at the four corners of the window area are cut off together, then the reinforcing plates are welded on the stress concentration areas, and the edges are jointed, so that the requirements of weight reduction and the strength requirement of the window four-corner area can be met, and the welding requirements of the edges can be maintained.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a carriage machining method, a carriage and a vehicle.
Background
Laser welding is a high-energy beam welding method and has the characteristics of stable quality of a welding joint, high welding speed, small welding deformation and the like. Laser welding technology is applied to high-speed trains and light rail passenger cars in Japan, maglev passenger cars in Germany, DMUIC4 grade high-speed trains in Denmark, Italy ETR500 high-speed swing trains, Atlanta light rail cars in America and Italy light rail cars. However, the car body materials of the products are all made of aluminum alloy materials, the carbon steel car body side wall meeting the application of the laser welding technology is designed, the laser welding technology is applied to the domestic carbon steel car body, the welding efficiency and the welding quality of the products can be improved, the structural improvement and the upgrading of the products can be promoted, and the aim of pursuing the light weight of the car body is fulfilled.
The prior art designs for the structure of the cabin window area 2 include:
the window four-corner area of the side wall plate 1 of the carbon steel vehicle body is a structural stress concentration area 5, and the strength of the side wall window area is ensured by welding a reinforcing plate 3 in the side wall window four-corner area in an MAG (metal active gas arc welding) mode in the prior carbon steel vehicle type in China.
When the side wall of the existing carbon steel car is produced, after the side wall plate 1 is welded with a beam and a column, the window area is positioned and cut, and after materials of the window area are cut off, the side wall is shown in figure 1.
After the side wall window is cut out, reinforcing plates 3 are welded at four corners of the window in an MAG welding mode, as shown in FIG. 2.
The design of the longitudinal beam and the upright post structure of the carriage in the prior art comprises the following steps:
the upright and the longitudinal beam 4 of the side wall of the existing carbon steel vehicle generally adopt a B-shaped section (a B-shaped beam structure), and the upright and the longitudinal beam are welded on the side wall plate 1 in an MAG welding mode, as shown in fig. 3 and 4.
Because the design structure of the side wall parts of the prior carbon steel vehicle body in China is limited, the side wall plate 1 is basically welded in an MAG welding mode, the welding deformation is relatively large, and the surface flatness of the side wall is influenced.
The b-beam structure, while providing a weight reduction over previous hat beam structures, still requires weight reduction with the current trend toward weight reduction.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided are a carriage processing method, a carriage and a vehicle which satisfy laser welding and are lighter in weight.
In order to solve the above technical problems, a first technical solution adopted by the present invention is:
a carriage processing method comprises
Firstly, cutting off materials of stress concentration areas at four corners of a window when cutting off materials of the window area on a side wall plate of a carriage;
and step two, welding the reinforcing plate on the stress concentration area.
In order to solve the above technical problem, the second technical solution adopted by the present invention is:
a carriage comprises a side wall plate, wherein a window area is arranged on the side wall plate, and stress concentration areas are arranged at four corners of the window area;
the window area and the stress concentration area are provided with grooves;
be provided with the stiffening plate on the fluting in stress concentration district, the stiffening plate welds with the side wall board.
In order to solve the above technical problems, the third technical solution adopted by the present invention is:
a vehicle comprises the carriage.
The invention has the beneficial effects that: stress concentration district through the four corners of excision window district in the lump, rethread stiffening plate welds on it, and the border laminating not only can satisfy the requirement that subtracts heavy and the intensity requirement in window four corners district, and can keep the welding requirement on border.
Drawings
FIG. 1 is a prior art window area version of a vehicle compartment;
FIG. 2 is a schematic view of a window area of a vehicle compartment with a reinforcing plate according to the prior art;
FIG. 3 is a schematic view of the connection of a prior art side wall panel to a B-beam (column/stringer);
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic view of a side wall panel of a vehicle compartment after cutting off materials in stress concentration areas at four corners of a window area according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a stiffener according to the present application;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic view of the welding of the side wall panel and the reinforcing plate of the present application;
FIG. 9 is a schematic view of the connection of the columns/stringers to the side wall panels of the present application;
FIG. 10 is an enlarged view of portion B of FIG. 9;
description of reference numerals: 1. a side wall panel; 2. a window region; 3. a reinforcing plate; 4. a stringer or a pillar; 5. a stress concentration zone; 6. a laser beam.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 5 to 10, a car body processing method includes
Firstly, cutting off materials of a stress concentration area 5 at four corners of a window when cutting off materials of a window area 2 of a side wall plate 1 of a carriage;
and step two, welding the reinforcing plate 3 on the stress concentration area 5.
From the above description it follows that: stress concentration district 5 through the four corners of excision window district 2 in the lump, 3 welds on it through the stiffening plate, and the border laminating not only can satisfy the requirement that subtracts heavy and the intensity requirement in window four corners district, and can keep the welding requirement on border.
Further, the sections of the longitudinal beams 4 and/or the upright columns 4 of the carriage are L-shaped;
the longitudinal beam 4 and/or the upright post 4 are welded with the side wall plate 1.
From the above description it follows that: by adopting the longitudinal beam 4 and/or the upright column 4 with the L-shaped cross section, a T-shaped joint can be formed among the upright column, the longitudinal beam and the side wall plate 1, and the requirement of double-sided welding is met; and simultaneously meets the requirement of weight reduction.
Further, the welding is laser welding.
From the above description it follows that: the laser welding meets the requirements of stable quality of welding joints, high welding speed, small welding deformation and the like.
Furthermore, the thickness of the reinforcing plate 3 is larger than that of the side wall plate 1, and beveling is conducted on the edge of the joint of the reinforcing plate 3 and the side wall plate 1.
From the above description it follows that: through right the beveling is done to the border of the 1 laminating of side wall board of stiffening plate 3 and carriage, can avoid laser welding to require highly to the clearance between side wall board 1 and the stiffening plate 3, and when 6 perpendicular to 3 surfaces of stiffening plate of laser beam, the problem of the thick plate is hindered very easily to 6 laser beams.
Further, the height of the edge of the stiffening plate 3 subjected to groove treatment is the same as the thickness of the side wall plate 1 of the carriage.
From the above description it follows that: through the same thickness, can conveniently weld, guarantee the welding effect.
A carriage comprises a side wall plate 1, wherein a window area 2 is arranged on the side wall plate 1, and stress concentration areas 5 are arranged at four corners of the window area 2;
the window area 2 and the stress concentration area 5 are provided with grooves;
be provided with stiffening plate 3 on the fluting of stress concentration district 5, stiffening plate 3 and 1 welding of side wall board.
Further, the reinforcing plate 3 and the side wall plate 1 are welded by laser.
Further, the carriage also comprises a longitudinal beam and a vertical column, and the section of the longitudinal beam 4 and/or the vertical column 4 is L-shaped;
the longitudinal beam 4 and/or the upright post 4 are welded with the side wall plate 1.
Further, the thickness of the reinforcing plate 3 is larger than that of the side wall plate 1, and the edge of the joint of the reinforcing plate 3 and the side wall plate 1 is subjected to groove opening treatment;
the edge height of the stiffening plate 3 subjected to groove treatment is the same as the thickness of the side wall plate 1.
A vehicle comprises the carriage.
Example one
A carriage processing method comprises
Firstly, cutting off materials of stress concentration areas at four corners of a window when cutting off materials of the window area on a side wall plate of a carriage;
and step two, welding the reinforcing plate on the stress concentration area.
The cross section of the longitudinal beam and/or the upright post of the carriage is L-shaped;
and the longitudinal beams and/or the vertical columns are welded with the side wall plates.
The welding is laser welding.
The thickness of the reinforcing plate is larger than that of the side wall plate, and beveling is conducted on the edge where the reinforcing plate is attached to the side wall plate.
The edge height of the stiffening plate subjected to groove treatment is the same as the thickness of the side wall plate of the carriage.
Example two
A carriage comprises a side wall plate, wherein a window area is arranged on the side wall plate, and stress concentration areas are arranged at four corners of the window area;
the window area and the stress concentration area are provided with grooves;
be provided with the stiffening plate on the fluting in stress concentration district, the stiffening plate welds with the side wall board.
The reinforcing plate and the side wall plate are welded by laser.
The carriage also comprises a longitudinal beam and a vertical column, and the section of the longitudinal beam and/or the vertical column is L-shaped;
and the longitudinal beams and/or the vertical columns are welded with the side wall plates.
The thickness of the reinforcing plate is larger than that of the side wall plate, and the edge of the joint of the reinforcing plate and the side wall plate is subjected to groove opening treatment;
the edge height of the stiffening plate subjected to groove treatment is the same as the thickness of the side wall plate.
EXAMPLE III
A vehicle comprising the compartment of embodiment two.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A carriage processing method is characterized by comprising
Firstly, cutting off materials of stress concentration areas at four corners of a window when cutting off materials of the window area on a side wall plate of a carriage;
and step two, welding the reinforcing plate on the stress concentration area.
2. A carriage processing method as claimed in claim 1, characterized in that the cross section of the longitudinal beam and/or the upright of the carriage is L-shaped;
and the longitudinal beams and/or the vertical columns are welded with the side wall plates.
3. A carriage processing method as claimed in any one of claims 1 or 2, characterized in that the welding is laser welding.
4. The car machining method according to claim 1, wherein the thickness of the reinforcing plate is larger than that of the side wall plate, and the edge where the reinforcing plate and the side wall plate are attached is beveled.
5. The car machining method according to claim 4, wherein the height of the edge of the beveled reinforcing plate is equal to the thickness of the side wall plate of the car.
6. A carriage is characterized by comprising a side wall plate, wherein a window area is arranged on the side wall plate, and stress concentration areas are arranged at four corners of the window area;
the window area and the stress concentration area are provided with grooves;
be provided with the stiffening plate on the fluting in stress concentration district, the stiffening plate welds with the side wall board.
7. A vehicle compartment according to claim 6, wherein the reinforcing panel is laser welded to the side wall panel.
8. A carriage as claimed in claim 6, characterized in that it further comprises longitudinal beams and uprights, the longitudinal beams and/or uprights being L-shaped in cross-section;
and the longitudinal beams and/or the vertical columns are welded with the side wall plates.
9. The carriage as claimed in claim 6, wherein the thickness of the reinforcing plate is larger than that of the side wall plate, and the edge of the joint of the reinforcing plate and the side wall plate is beveled;
the edge height of the stiffening plate subjected to groove treatment is the same as the thickness of the side wall plate.
10. A vehicle comprising a compartment according to any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783561.3A CN113369675A (en) | 2021-07-12 | 2021-07-12 | Carriage processing method, carriage and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783561.3A CN113369675A (en) | 2021-07-12 | 2021-07-12 | Carriage processing method, carriage and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113369675A true CN113369675A (en) | 2021-09-10 |
Family
ID=77581733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110783561.3A Pending CN113369675A (en) | 2021-07-12 | 2021-07-12 | Carriage processing method, carriage and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113369675A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1044860A1 (en) * | 1999-04-12 | 2000-10-18 | ALSTOM LHB GmbH | Reinforcing structure for corners of openings in orthogonally stiffened walls or roofs |
| JP2006341813A (en) * | 2005-06-10 | 2006-12-21 | Kinki Sharyo Co Ltd | Vehicle body bone structure for railway vehicle |
| JP2007050741A (en) * | 2005-08-17 | 2007-03-01 | Nippon Sharyo Seizo Kaisha Ltd | Railway vehicle structure |
| CN202337324U (en) * | 2010-12-24 | 2012-07-18 | 中国舰船研究设计中心 | Reinforcing structure for deck opening of ship body |
| CN204279053U (en) * | 2014-12-15 | 2015-04-22 | 陕西重型汽车有限公司 | Automobile-used LNG gas cylinder framework and auxiliary girder thereof |
| CN106041309A (en) * | 2015-04-14 | 2016-10-26 | 中国十九冶集团有限公司南京分公司 | A kind of welding method of Q420 high strength steel |
| CN107512279A (en) * | 2017-07-05 | 2017-12-26 | 中车青岛四方机车车辆股份有限公司 | The side wall and its side wall module of a kind of rail vehicle |
| CN208868046U (en) * | 2018-08-13 | 2019-05-17 | 中车青岛四方机车车辆股份有限公司 | Window frame structure and compartment with it |
| CN111038539A (en) * | 2018-10-11 | 2020-04-21 | 中车唐山机车车辆有限公司 | Vehicle body structure |
| CN113002575A (en) * | 2021-01-04 | 2021-06-22 | 中车青岛四方机车车辆股份有限公司 | Modularized assembly welding structure and method for side wall unit of rail vehicle |
-
2021
- 2021-07-12 CN CN202110783561.3A patent/CN113369675A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1044860A1 (en) * | 1999-04-12 | 2000-10-18 | ALSTOM LHB GmbH | Reinforcing structure for corners of openings in orthogonally stiffened walls or roofs |
| JP2006341813A (en) * | 2005-06-10 | 2006-12-21 | Kinki Sharyo Co Ltd | Vehicle body bone structure for railway vehicle |
| JP2007050741A (en) * | 2005-08-17 | 2007-03-01 | Nippon Sharyo Seizo Kaisha Ltd | Railway vehicle structure |
| CN202337324U (en) * | 2010-12-24 | 2012-07-18 | 中国舰船研究设计中心 | Reinforcing structure for deck opening of ship body |
| CN204279053U (en) * | 2014-12-15 | 2015-04-22 | 陕西重型汽车有限公司 | Automobile-used LNG gas cylinder framework and auxiliary girder thereof |
| CN106041309A (en) * | 2015-04-14 | 2016-10-26 | 中国十九冶集团有限公司南京分公司 | A kind of welding method of Q420 high strength steel |
| CN107512279A (en) * | 2017-07-05 | 2017-12-26 | 中车青岛四方机车车辆股份有限公司 | The side wall and its side wall module of a kind of rail vehicle |
| CN208868046U (en) * | 2018-08-13 | 2019-05-17 | 中车青岛四方机车车辆股份有限公司 | Window frame structure and compartment with it |
| CN111038539A (en) * | 2018-10-11 | 2020-04-21 | 中车唐山机车车辆有限公司 | Vehicle body structure |
| CN113002575A (en) * | 2021-01-04 | 2021-06-22 | 中车青岛四方机车车辆股份有限公司 | Modularized assembly welding structure and method for side wall unit of rail vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 夏春生: "《电动装载机械构造与修理》", 大连海事大学出版社, pages: 354 - 357 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210910 |