CN102773617A - Assembly and welding process method and assembly and welding process template for front window framework of cab of aluminum alloy vehicle body - Google Patents
Assembly and welding process method and assembly and welding process template for front window framework of cab of aluminum alloy vehicle body Download PDFInfo
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- CN102773617A CN102773617A CN2011101198529A CN201110119852A CN102773617A CN 102773617 A CN102773617 A CN 102773617A CN 2011101198529 A CN2011101198529 A CN 2011101198529A CN 201110119852 A CN201110119852 A CN 201110119852A CN 102773617 A CN102773617 A CN 102773617A
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- front window
- window skeleton
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Abstract
The invention relates to an assembly and welding process method and an assembly and welding process template for a front window framework of a cab of an aluminum alloy vehicle body. A ring beam, a cross beam and a side beam in the front window framework are formed by taking the process template as reference by using a forming mould, so that each section meets the design requirement of the three-dimensional curved surface size; the formed front window framework is subjected to edge cutting, and a welding bevel is machined to finish the pre-assembly of the front window framework; each plug port of the pre-assembled front window framework is welded; and finally the point-fixed and formed front window framework is welded with an integral framework of the cab and the structural requirements of the cab are met. The forming and the assembly and welding of the front window framework are all finished on a process template, so that the influence of different tool accuracies, human factors and the like on the forming quality is avoided, and meanwhile, the influence of factors such as each tool accuracy error on the assembly and welding quality can be avoided; and in addition, since a plurality of points of the same workpiece are effectively constrained, the overall shape is effectively controlled to meet the assembly and welding requirements.
Description
Technical field
The present invention relates to a kind of assembly welding technique of rail vehicle cab front window skeleton, particularly a kind of aluminum alloy bodywork cab front window skeleton assembly welding technique method and technology template belong to vehicle body of railway vehicle manufacturing technology field.
Background technology
The EMU aluminum alloy bodywork is mainly formed the integral solder structure by underframe, side wall, headwall, roof and drivers' cab.Wherein drivers' cab is not only the key factor of EMU hoisting velocity, also be that the perfection of EMUs speed and aesthetic feeling embodies, so the workmanship of cab front window skeleton is most important.
The cab front window skeleton mainly is made up of collar tie beam, crossbeam and curb girder; Because the front window skeleton all is the three-dimension curved surface structure; Therefore the moulding difficulty is bigger, and formed precision is wayward, and welding deformation is wayward after the moulding simultaneously; Cause the distortion of drivers' cab window easily, influence front screen and install and the drivers' cab profile.
Summary of the invention
Main purpose of the present invention is to address the above problem, and a kind of aluminum alloy bodywork cab front window skeleton assembly welding technique method that can effectively guarantee front window skeleton forming quality and welding quality is provided.
Another main purpose of the present invention is, the aluminum alloy bodywork cab front window skeleton technology template of a kind of effective assurance front window skeleton forming quality and welding quality is provided.
For realizing above-mentioned purpose, technical scheme of the present invention is:
A kind of aluminum alloy bodywork cab front window skeleton assembly welding technique method comprises the steps:
(1) collar tie beam, crossbeam and the curb girder section bar of forming the cab front window skeleton cut off blanking respectively, use socket according to the various material assembling of figure paper conversion;
(2) utilizing mould is that benchmark carries out moulding to the collar tie beam in the front window skeleton, crossbeam and curb girder with the technology template, makes each section bar meet the designing requirement of three-dimension curved surface size;
(3) the front window skeleton after moulding is finished is cut edge, processing welding cut, preparatory group of accomplishing the front window skeleton;
(4) the front window skeletal fixation after will organizing in advance is firm, and each socket of front window skeleton is welded;
(5) front window skeleton and the whole skeleton of drivers' cab that will put solid aftershaping weld, and satisfy the drivers' cab structural requirement.
Further; In above-mentioned steps (2); Said technology template is and the corresponding to steel stereoscopic device of said front window skeleton three-dimension curved surface; Form by base and several crisscross steel discs, on said technology template, be processed with the reference model groove that meets collar tie beam, crossbeam and the designing requirement of curb girder three-dimension curved surface in advance.
Further; Said technology template is to obtain three-dimensional line chart through the threedimensional model of front window skeleton is cut into slices at the section of diverse location; Add the technological design key element again, the three-dimensional line chart of each steel disc according to the relevant position cut, at last the steel disc after each cutting is assembled.
Further, in above-mentioned steps (2), sectional forming is adopted in the moulding of collar tie beam, crossbeam and curb girder in the said front window skeleton.
Further, behind the said front window skeleton forming and the gap between the said technology template is not more than 2mm.
Further, the gap, junction of said each parts of front window skeleton is less than 3mm.
Further, in above-mentioned steps (4), each socket of said front window skeleton carries out tack welding.
Further, in above-mentioned steps (4), said front window skeleton is fixed through blocking blue fixing with the welding procedure beam.
A kind of aluminum alloy bodywork cab front window skeleton assembly welding technique template; Said technology template is and the corresponding to steel stereoscopic device of cab front window skeleton three-dimension curved surface to be processed on said technology template, to be processed with the reference model groove that meets collar tie beam, crossbeam and the designing requirement of curb girder section bar three-dimension curved surface of forming said front window skeleton.
Further, said technology template is made up of base and several crisscross steel discs, on the steel disc that is positioned at said reference model groove place, has the identical tangent line of said section material section curve with the position.
Content to sum up, a kind of aluminum alloy bodywork cab front window skeleton assembly welding technique method of the present invention and technology template make the moulding of front window skeleton and assembly welding on a technology template, all accomplish; Avoid owing to factor affecting Forming Quality such as each frock precision are different and artificial; Simultaneously, can avoid because factor affecting such as each frock trueness error are assembled welding quality, in addition; Owing to obtain operative constraint at same workpiece multiple spot, effectively controlled monnolithic case and met the assembly welding requirement.
Description of drawings
Fig. 1 structural diagrams intention of the present invention;
Fig. 2 crossbeam of the present invention and curb girder section structure sketch map;
Fig. 3 collar tie beam section structure of the present invention sketch map;
Fig. 4 technology formwork structure of the present invention sketch map.
Like Fig. 1 to shown in Figure 4, collar tie beam 1, crossbeam 2, curb girder 3, technology template 4, base 5, steel disc 6, reference model groove 7.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
As shown in Figure 1, the cab front window skeleton mainly is made up of collar tie beam 1, crossbeam 2 and curb girder 3, and curb girder 3 is two, forms a front window skeleton with three-dimension curved surface shape jointly.
Crossbeam 2 adopts aluminium alloy extrusions as shown in Figure 2 with curb girder 3; Collar tie beam 1 adopts aluminium alloy extrusions as shown in Figure 3; Wherein, The material of the aluminium alloy extrusions of crossbeam 2 and curb girder 3 is A6N01S-T5, and the material of the aluminium alloy extrusions of collar tie beam 1 is A5083S-H112, assembles through the socket welding between collar tie beam 1, crossbeam 2 and curb girder 3 each parts.
As shown in Figure 4; In aluminum alloy bodywork cab front window skeleton assembly welding technique method, need a technology template 4; Technology template 4 is a steel stereoscopic device; It has and the corresponding to three-dimension curved surface shape of cab front window skeleton, and the moulding of front window skeleton and assembly welding are being to accomplish on this technology template 4 all.
For alleviating the overall weight of technology template 4; Reduce difficulty of processing; Simultaneously; Be convenient on technology template 4, carry out moulding and assembly welding, technology template 4 is made up of several steel discs 6 of base 5 and crisscross setting, on technology template 4, is processed with the reference model groove 7 that meets collar tie beam 1 in the front window skeleton, crossbeam 2 and curb girder 3 three-dimension curved surface designing requirements in advance.
Collar tie beam 1 in the front window skeleton, crossbeam 2 and curb girder 3 utilize mould to carry out moulding according to reference model groove 7; Contrast devious with reference model groove 7; Just proofread and correct again; Contrast again,, wherein require behind the front window skeleton forming and the gap between the reference model groove 7 is not more than 2mm until fitting like a glove with reference model groove 7.Like this, just can effectively guarantee the Forming Quality of front window skeleton.
As shown in Figure 1, aluminum alloy bodywork cab front window skeleton assembly welding technique method of the present invention comprises the steps:
(1) collar tie beam 1, crossbeam 2 and curb girder 3 section bars of forming the cab front window skeleton is cut off blanking respectively, use socket according to the various material assembling of figure paper conversion.
(2) utilize forcing press that the collar tie beam in the front window skeleton 1, crossbeam 2 and curb girder 3 are carried out moulding, make each section bar meet the designing requirement of three-dimension curved surface size.
In this process, the moulding of collar tie beam 1, crossbeam 2 and curb girder 3 is a benchmark with technology template 4 in the front window skeleton, on technology template 4, accomplishes.
In order to improve the Forming Quality of front window skeleton, the technology of sectional forming is adopted in the moulding of collar tie beam 1, crossbeam 2 and curb girder 3.Contrast with reference model groove 7 respectively for every section; To position devious wherein, just proofread and correct adjusting again, contrast with reference model groove 7 again; Be not more than 2mm until behind the front window skeleton forming and the gap between the reference model groove 7, make the front window skeleton meet the curved surface dimensional requirement of technology template 4.
(3) line of the front window skeleton after die mould the is finished location and the operation of cutting edge; The required cut of reprocessing welding, at this moment, collar tie beam 1, crossbeam 2 and curb girder 3 each gap, parts junction of requiring the front window skeleton are less than 3mm; Satisfying welding requirements, accomplish the front window skeleton preparatory group.
This process also is on technology template 4, to accomplish.
(4) the front window skeletal fixation after will organizing in advance is firm, again the crossbeam in the front window skeleton 2, curb girder 3 and collar tie beam 1 spigot is carried out tack welding, simplifies welding procedure, shortens weld interval, enhances productivity.
The front window skeleton can be fixed through blocking blue (not shown), also can fix through welding a plurality of technology beam (not shown)s, and each parts when preventing to weld are because thermal stress shrinks distortion.
This process also is on technology template 4, to accomplish.
(5) behind solid the finishing, it is blue to take off the card that is used for the front window skeletal fixation, utilizes lifting appliance that it is separated with technology template 4, at last the front window skeleton is assembled welding with the whole skeleton of drivers' cab, and satisfies the drivers' cab structural requirement.
As stated, in conjunction with the given scheme content of accompanying drawing, can derive the similar techniques scheme.In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. aluminum alloy bodywork cab front window skeleton assembly welding technique method is characterized in that: comprises the steps,
(1) collar tie beam, crossbeam and the curb girder section bar of forming the cab front window skeleton cut off blanking respectively, use socket according to the various material assembling of figure paper conversion;
(2) utilizing mould is that benchmark carries out moulding to the collar tie beam in the front window skeleton, crossbeam and curb girder with the technology template, makes each section bar meet the designing requirement of three-dimension curved surface size;
(3) the front window skeleton after moulding is finished is cut edge, processing welding cut, preparatory group of accomplishing the front window skeleton;
(4) the front window skeletal fixation after will organizing in advance is firm, and each socket of front window skeleton is welded;
(5) front window skeleton and the whole skeleton of drivers' cab that will put solid aftershaping weld, and satisfy the drivers' cab structural requirement.
2. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 1; It is characterized in that: in above-mentioned steps (2); Said technology template is and the corresponding to steel stereoscopic device of said front window skeleton three-dimension curved surface; Form by base and several crisscross steel discs, on said technology template, be processed with the reference model groove that meets collar tie beam, crossbeam and the designing requirement of curb girder three-dimension curved surface in advance.
3. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 2; It is characterized in that: said technology template is to obtain three-dimensional line chart through the threedimensional model of front window skeleton is cut into slices at the section of diverse location; Add the technological design key element again; The three-dimensional line chart of each steel disc according to the relevant position cut, at last the steel disc after each cutting is assembled.
4. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 1 is characterized in that: in above-mentioned steps (2), sectional forming is adopted in the moulding of collar tie beam, crossbeam and curb girder in the said front window skeleton.
5. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 4, it is characterized in that: behind the said front window skeleton forming and the gap between the said technology template is not more than 2mm.
6. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 4, it is characterized in that: the gap, junction of said each parts of front window skeleton is less than 3mm.
7. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 1, it is characterized in that: in above-mentioned steps (4), each socket of said front window skeleton carries out tack welding.
8. aluminum alloy bodywork cab front window skeleton assembly welding technique method according to claim 1 is characterized in that: in above-mentioned steps (4), said front window skeleton is fixed through blocking blue fixing with the welding procedure beam.
9. aluminum alloy bodywork cab front window skeleton assembly welding technique template; It is characterized in that: said technology template is and the corresponding to steel stereoscopic device of cab front window skeleton three-dimension curved surface to be processed, on said technology template, is processed with the reference model groove that meets collar tie beam, crossbeam and the designing requirement of curb girder section bar three-dimension curved surface of forming said front window skeleton.
10. aluminum alloy bodywork cab front window skeleton assembly welding technique template according to claim 9; It is characterized in that: said technology template is made up of base and several crisscross steel discs; On the steel disc that is positioned at said reference model groove place, has the identical tangent line of said section material section curve with the position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110119852.9A CN102773617B (en) | 2011-05-10 | 2011-05-10 | Assembly and welding process method for front window framework of cab of aluminum alloy vehicle body |
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| CN201110119852.9A CN102773617B (en) | 2011-05-10 | 2011-05-10 | Assembly and welding process method for front window framework of cab of aluminum alloy vehicle body |
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| CN102773617B CN102773617B (en) | 2014-11-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104384740A (en) * | 2014-11-17 | 2015-03-04 | 长春轨道客车股份有限公司 | Assembly welding process method for aluminum structure ceiling of driver cab of motor train unit |
| CN104551425A (en) * | 2014-11-24 | 2015-04-29 | 长春轨道客车股份有限公司 | Adjustment and repair-free assembly welding method for three-dimensional bent aluminum alloy beam column and three-dimensional curved open section |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384740A (en) * | 2014-11-17 | 2015-03-04 | 长春轨道客车股份有限公司 | Assembly welding process method for aluminum structure ceiling of driver cab of motor train unit |
| CN104551425A (en) * | 2014-11-24 | 2015-04-29 | 长春轨道客车股份有限公司 | Adjustment and repair-free assembly welding method for three-dimensional bent aluminum alloy beam column and three-dimensional curved open section |
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| CN102773617B (en) | 2014-11-26 |
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Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Applicant after: CHINA RAILWAY CORPORATION Applicant after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Applicant before: Transport Bureau of Railway Department Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee before: CHINA RAILWAY CORPORATION Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |