CN107931878A - A kind of assembly welding technique of box beam connected structure framework - Google Patents
A kind of assembly welding technique of box beam connected structure framework Download PDFInfo
- Publication number
- CN107931878A CN107931878A CN201711119219.3A CN201711119219A CN107931878A CN 107931878 A CN107931878 A CN 107931878A CN 201711119219 A CN201711119219 A CN 201711119219A CN 107931878 A CN107931878 A CN 107931878A
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- China
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- welding
- crossbeam
- riser
- weld seam
- curb girder
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Classifications
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A kind of assembly welding technique of box beam connected structure framework is related to trolley coach bogie frame welding technology field, which is that crossbeam is split into two parts：A part is for by upper cover plate, the non-closed babinet that riser, inner side transverse direction riser, longitudinal riser and gusset form laterally outside, i.e., crossbeam semi-finished product, another part are crossbeam lower covers；By the adjustment of above-mentioned rational welding sequence and welding capacity, ensure the deflection stabilization after the welding of crossbeam semi-finished product in preferable number range；Then the crossbeam semi-finished product and curb girder are assembled and completes tack welding, finally assemble crossbeam lower cover, integral solder is carried out to the remaining weld seam and crossbeam of crossbeam and the weld seam of curb girder junction, be finally completed the group weldering of box beam connected structure framework.The present invention can control the deflection deformation of crossbeam riser, and the crossbeam after welding need not be machined out, and improve the quality of production and production efficiency.
Description
Technical field
The present invention relates to trolley coach bogie frame welding technology field, and in particular to a kind of box beam connected structure structure
The assembly welding technique of frame.
Background technology
At present, trolley coach welded bogie mainly has two kinds of structures：One kind is box curb girder and tubular beam pair
The H-type welding structure connect；Another H-type welding structure formed for box curb girder with box crossbeam grafting.Box is horizontal, curb girder
Performance is excellent in terms of connected structure is framed in bending resistance and horizontal, curb girder junction changes of section, but its structure is complex, weldering
Deformation control difficulty is connect, causes horizontal, curb girder assembling difficulty.It is before horizontal, curb girder is assembled into framework, it is necessary to logical in actual production
Cross and crossbeam both ends are machined out to ensure length dimension, while weld groove is processed at crossbeam riser both ends.Even if such as
This, due to transverse curvature and the presence of vertical deflection deformation, after causing beam engine to add, the weld groove of crossbeam riser termination is uneven
It is even；In horizontal, curb girder assembling process, horizontal, curb girder interference is often caused because of the deflection deformation of crossbeam both ends riser, need to be to interference part
Position can smoothly assemble after carrying out on-site grinding, seriously affect framework quality and production efficiency.
The content of the invention
In order to solve during box beam connected structure framework group is welded because weld industry difficulty causes horizontal curb girder to assemble
Difficulty, and after because of the presence of transverse curvature and vertical deflection deformation beam engine being added, the weld groove of crossbeam riser termination
It is uneven, cause the technical problem that interference is produced in horizontal curb girder assembling process, the present invention provides a kind of box beam connected structure structure
The assembly welding technique of frame, efficiently solves the above problem, and improves the quality of production and efficiency.
The technical solution adopted for solving the technical problem of the present invention is as follows：
A kind of assembly welding technique of box beam connected structure framework, it includes the following steps：
Step 1: the welding of curb girder and the welding of crossbeam semi-finished product：All weld seams of curb girder are completed according to normal welding order
Welding, at the same time, crossbeam semi-finished product are welded according to following order：
By the upper cover plate of crossbeam, riser, inner side transverse direction riser, longitudinal riser and gusset are assembled laterally outside, and complete
Into tack welding；Then the component A formed to the tack welding is welded, and during welding, first completes the inside cavity and upper cover of component A
The welding of plate correlation transverse joint a, subsequently completes the welding of perps b related to riser laterally outside, inner side transverse direction riser, finally, root
According to riser laterally outside, the deformation of inner side transverse direction riser, riser laterally outside, inner side transverse direction riser are connected with upper cover plate
The containment portion weld seam c of position carries out part welding, that is, is only completed the welding of weld seam c prime coats, so that riser, interior laterally outside
Transverse direction riser vertical deflection deformation in side completes the group weldering of crossbeam semi-finished product within 1mm；
Step 2: the crossbeam semi-finished product that step 1 obtains are subjected to grafting assembling with curb girder and complete tack welding, it is then complete
Into the welding of crossbeam semi-finished product and curb girder plugging position inside cavity weld seam d, curb girder and upper cover plate junction weld seam e are subsequently completed
Welding；
Step 3: the component that the lower cover of crossbeam and step 2 group are welded is assembled and completes tack welding, then
To the remaining weld seam g between riser laterally outside, inner side transverse direction riser and upper cover plate, riser, inner side transverse direction riser laterally outside
Weld seam f outside weld seam k between lower cover, crossbeam and curb girder junction and weld seam h carries out integral solder, complete curb girder and
The group weldering of crossbeam.
The beneficial effects of the invention are as follows：The technique ensures crossbeam riser along long by controlling the deflection deformation of crossbeam riser
The straightness and length dimension in direction are spent, i.e., the width of crossbeam and short transverse are almost without deformation so that after the completion of beam welding
Meet horizontal, curb girder matching requirements, therefore, the crossbeam after welding need not be machined out；Meanwhile the weld seam slope of crossbeam riser termination
Mouth is completed in riser single-piece work, cancels the manufacturing procedure after beam welding, so as to avoid crossbeam process from producing positioning
The difficult, quality problems such as end groove inequality, horizontal stroke, curb girder Assembly Interference are difficult in raising framework welding quality, reduction framework assembling
Degree, shortening framework manufacturing cycle and reduction framework are manufactured into present aspect and have significant effect.
Brief description of the drawings
Fig. 1 is the structure diagram of the curb girder of box beam connected structure framework.
Fig. 2 is the structure diagram of the crossbeam semi-finished product of box beam connected structure framework.
Fig. 3 is the overlooking the structure diagram of Fig. 2.
Fig. 4 is the welding structure schematic diagram of curb girder and crossbeam semi-finished product.
Fig. 5 is the welding structure schematic diagram of the curb girder and crossbeam semi-finished product under another visual angle.
Fig. 6 is that curb girder and crossbeam semi-finished product have welded the structure diagram after upset.
Fig. 7 is the structure diagram for the perfect frame for forming crossbeam lower cover and curb girder, crossbeam group postwelding.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, the assembly welding technique of box beam connected structure framework of the present invention includes the following steps：
Step 1: the welding of 2 semi-finished product of welding and crossbeam of curb girder 1：1 all welderings of curb girder are completed according to normal welding order
The welding of seam, at the same time, welds 2 semi-finished product of crossbeam according to following order：
By the upper cover plate 2-1 of crossbeam 2, laterally outside riser 2-2, inner side transverse direction riser 2-3, longitudinal direction riser 2-4 and gusset
2-5 is assembled, and completes tack welding；Then the component A formed to the tack welding is welded, and during welding, first completes component A
Inside cavity transverse joint a related to upper cover plate 2-1 welding, subsequently complete and riser 2-2, inner side transverse direction riser 2- laterally outside
The welding of 3 related perps b, it is finally, horizontal to outside according to riser 2-2 laterally outside, the deformation of inner side transverse direction riser 2-3
Part welding is carried out to the containment portion weld seam c of riser 2-2, inner side transverse direction riser 2-3 and upper cover plate 2-1 link positions, i.e., only
The welding of weld seam c prime coats (i.e. all first layers in three layers of welding) is completed, so that riser 2-2, inner side are horizontal laterally outside
Deflection deformation vertical riser 2-3 completes the group weldering of 2 semi-finished product of crossbeam within 1mm；
Step 2: 2 semi-finished product of crossbeam that step 1 obtains are subjected to grafting assembling with curb girder 1 and complete tack welding, then
The welding of 2 semi-finished product of crossbeam and 1 plugging position inside cavity weld seam d of curb girder is completed, curb girder 1 and upper cover plate 2-1 is subsequently completed and connects
Connect the welding of place weld seam e；
Step 3: the lower cover 2-6 of crossbeam 2 and step 2 the group component welded are assembled and complete tack welding,
Then to the remaining weld seam g between riser 2-2 laterally outside, inner side transverse direction riser 2-3 and upper cover plate 2-1, riser laterally outside
Weld seam k between 2-2, inner side transverse direction riser 2-3 and lower cover 2-6, weld seam f and weld seam outside 1 junction of crossbeam 2 and curb girder
H carries out integral solder, completes the group weldering of curb girder 1 and crossbeam 2.
The assembly welding technique of box beam connected structure framework of the present invention is different from the assembly welding technique of existing box beam, of the invention
Assembly welding technique is that crossbeam 2 is split into two parts：A part is for by upper cover plate 2-1, laterally outside riser 2-2, inner side transverse direction
The non-closed babinet of riser 2-3, longitudinal direction riser 2-4 and gusset 2-5 compositions, i.e., crossbeam semi-finished product, another part are crossbeam lower covers
Plate 2-6.By the adjustment of above-mentioned rational welding sequence and welding capacity, for example, crossbeam upper cover plate 2-1 and riser 2- laterally outside
2nd, the weld seam of inner side transverse direction riser 2-3 not exclusively welds, and ensures that the deflection stabilization after the welding of crossbeam semi-finished product is preferably counting
In the range of value.Then the crossbeam semi-finished product and curb girder 1 are assembled and complete tack welding, finally assemble crossbeam lower cover 2-6,
Integral solder is carried out to the remaining weld seam and crossbeam 2 of crossbeam 2 and the weld seam of 1 junction of curb girder, is finally completed box beam grafting
The group weldering of structural framing.
The assembly welding technique of the present invention can control the deflection deformation of crossbeam riser, the crossbeam after welding need not the machine of progress add
Work, location difficulty, the quality problems such as end groove inequality, horizontal stroke, curb girder Assembly Interference are produced so as to avoid crossbeam process,
Improve the quality of production and production efficiency.
Claims (1)
1. a kind of assembly welding technique of box beam connected structure framework, it is characterised in that the technique includes the following steps：
Step 1: the welding of curb girder (1) and the welding of crossbeam (2) semi-finished product：It is all that curb girder (1) is completed according to normal welding order
The welding of weld seam, at the same time, welds crossbeam (2) semi-finished product according to following order：
By the upper cover plate (2-1) of crossbeam (2), laterally outside riser (2-2), inner side transverse direction riser (2-3), longitudinal riser (2-4)
Assembled with gusset (2-5), and complete tack welding；Then the component A formed to the tack welding is welded, during welding, first
Complete the welding of the inside cavity transverse joint a related to upper cover plate (2-1) of component A, subsequently complete and laterally outside riser (2-2),
The welding of inner side transverse direction riser (2-3) correlation perps b, finally, according to riser laterally outside (2-2), inner side transverse direction riser (2-3)
Deformation, to the cavity of riser laterally outside (2-2), inner side transverse direction riser (2-3) and upper cover plate (2-1) link position outside
Portion weld seam c carries out part welding, that is, is only completed the welding of weld seam c prime coats, so that riser (2-2), inner side are horizontal laterally outside
The vertical deflection deformation of riser (2-3) completes the group weldering of crossbeam (2) semi-finished product within 1mm；
Step 2: crossbeam (2) semi-finished product that step 1 is obtained carry out grafting assembling with curb girder (1) and complete tack welding, then
The welding of crossbeam (2) semi-finished product and curb girder (1) plugging position inside cavity weld seam d is completed, subsequently completes curb girder (1) and upper cover plate
The welding of (2-1) junction weld seam e；
Step 3: the component that the lower cover (2-6) of crossbeam (2) and step 2 group are welded is assembled and completes tack welding,
Then it is horizontal to the remaining weld seam g between riser laterally outside (2-2), inner side transverse direction riser (2-3) and upper cover plate (2-1), outside
Weld seam k between riser (2-2), inner side transverse direction riser (2-3) and lower cover (2-6), crossbeam (2) and curb girder (1) junction
Exterior weld seam f and weld seam h carries out integral solder, completes the group weldering of curb girder (1) and crossbeam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119219.3A CN107931878B (en) | 2017-11-14 | 2017-11-14 | Assembly welding process for box beam inserting structure framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119219.3A CN107931878B (en) | 2017-11-14 | 2017-11-14 | Assembly welding process for box beam inserting structure framework |
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| CN107931878A true CN107931878A (en) | 2018-04-20 |
| CN107931878B CN107931878B (en) | 2020-05-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365956A (en) * | 2018-12-07 | 2019-02-22 | 中车唐山机车车辆有限公司 | A kind of bogie continuous turning weld seam welding method and welder |
| CN109454353A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | The production method of high altitude operation box type arm support |
| CN110359941A (en) * | 2019-07-12 | 2019-10-22 | 天地科技股份有限公司 | A kind of top beam and the hydraulic support comprising the top beam |
| CN112404761A (en) * | 2020-10-23 | 2021-02-26 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
| CN112570858A (en) * | 2019-09-30 | 2021-03-30 | 中车唐山机车车辆有限公司 | Special-shaped welding seam forming method, bogie welding method and vehicle |
| CN113500320A (en) * | 2021-07-29 | 2021-10-15 | 中车长春轨道客车股份有限公司 | Assembly welding process for front-end module of underframe of corrugated plate plug-in type box structure |
| CN113681115A (en) * | 2021-09-28 | 2021-11-23 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365956A (en) * | 2018-12-07 | 2019-02-22 | 中车唐山机车车辆有限公司 | A kind of bogie continuous turning weld seam welding method and welder |
| CN109454353A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | The production method of high altitude operation box type arm support |
| CN109365956B (en) * | 2018-12-07 | 2021-06-29 | 中车唐山机车车辆有限公司 | Welding method and welding device for continuous turning weld joint of bogie |
| CN110359941A (en) * | 2019-07-12 | 2019-10-22 | 天地科技股份有限公司 | A kind of top beam and the hydraulic support comprising the top beam |
| CN112570858A (en) * | 2019-09-30 | 2021-03-30 | 中车唐山机车车辆有限公司 | Special-shaped welding seam forming method, bogie welding method and vehicle |
| CN112404761A (en) * | 2020-10-23 | 2021-02-26 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
| CN112404761B (en) * | 2020-10-23 | 2021-12-03 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
| CN113500320A (en) * | 2021-07-29 | 2021-10-15 | 中车长春轨道客车股份有限公司 | Assembly welding process for front-end module of underframe of corrugated plate plug-in type box structure |
| CN113500320B (en) * | 2021-07-29 | 2022-04-19 | 中车长春轨道客车股份有限公司 | Assembly welding process for front-end module of underframe of corrugated plate plug-in type box structure |
| CN113681115A (en) * | 2021-09-28 | 2021-11-23 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
| CN113681115B (en) * | 2021-09-28 | 2022-08-02 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
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|---|---|
| CN107931878B (en) | 2020-05-22 |
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