CN103192189A - Semitrailer girder structure and welding process thereof - Google Patents
Semitrailer girder structure and welding process thereof Download PDFInfo
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- CN103192189A CN103192189A CN2013101266008A CN201310126600A CN103192189A CN 103192189 A CN103192189 A CN 103192189A CN 2013101266008 A CN2013101266008 A CN 2013101266008A CN 201310126600 A CN201310126600 A CN 201310126600A CN 103192189 A CN103192189 A CN 103192189A
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Abstract
The invention provides a semitrailer girder structure and a welding process thereof. The structure comprises an upper wing plate, a lower wing plate and a ventral plate which are vertically assembled, the ventral plate deviates from a central line of the upper wing plate and the lower wing plate, welding seam positions are arranged on the central line of the upper wing plate and the lower wing plate, and the ventral plate is fixed on the central line of the upper wing plate and the lower wing plate by means of flow welding. By the semitrailer girder structure, time for manufacturing a girder can be shortened, labor intensity can be reduced for a staff, and material consumption can be reduced for manufacturing the girder, so that cost is lowered and production efficiency is improved. As for welding of the semitrailer girder structure, a novel welding process is adopted, service efficiency and market share of semitrailers are improved, and good economic benefit is created.
Description
Technical field
The present invention relates to the big girder construction of vehicle field, relate in particular to the big girder construction of a kind of semitrailer and welding procedure thereof.
Background technology
Semitrailer has occupied main status in China's transport service at present, and the performance quality of semitrailer crossbeam is concerning the quality of semitrailer performance.Existing, the big girder construction of semitrailer often adopts two-sided welding procedure, in process, each cross section of two faces all needs two-sided welding, this has not only consumed lot of manpower and material resources, increases welding and upset, installation time, also greatly reduces production efficiency simultaneously.
Existing semitrailer crossbeam welding procedure is as follows: the web of crossbeam and wing plate are positioned on the tooling platform position → clamp → beat out → spot welding → first full weld → upset → back chipping (if needed) → second full weld → weldering stiffener → inspection declaration, finish the crossbeam welding process.
Summary of the invention
The object of the present invention is to provide the big girder construction of a kind of semitrailer, adopt crossbeam single-sided welding technology, reduction crossbeam manufacturing time alleviates employee work intensity, reduces the use that crossbeam is made required consumptive material, reduces cost, and enhances productivity.
The objective of the invention is to be achieved through the following technical solutions.
The big girder construction of a kind of semitrailer, comprise: upper flange, lower wing plate and web, upper flange, lower wing plate is vertical with web assembles, and web departs from the center line of upper flange and lower wing plate, center line at upper flange, lower wing plate is provided with position while welding, adopts the flow welding mode that web is fixed on the center line of upper flange, lower wing plate.
Preferably, also be welded with stiffener on described web, described stiffener adopts C shaped steel, channel-section steel, rectangular tube material to make.
A kind of semitrailer crossbeam welding procedure comprises: the web of crossbeam and upper and lower wing plate are positioned on the tooling platform position → clamp → beat out → spot welding → first full weld → weldering stiffener → inspection declaration, finish the crossbeam welding process; Concrete steps are as follows:
Clamp: the web and the upper and lower wing plate that place are pressed against together by oil cylinder, by regulating the angle of cutting somebody's hair of oil cylinder, make the opening angle of crossbeam solder side be slightly larger than 90 °;
Beat out: the crossbeam after clamping need beat web to whole web opposed flattened by hand-held small tool or little frock;
Spot welding: the crossbeam after will beating out imposes spot welding every the distance of 150-200mm;
First full weld: the crossbeam that will put postwelding passes through from first to last full weld of crossbeam automatic welder(welding machine);
The weldering stiffener: the crossbeam that the single face full weld is good is loaded onto stiffener in solder side respective design position not, and welding guarantees whole crossbeam structural safety;
Inspection declaration: the crossbeam after will all welding is sent into inspection declaration platform position and is verified comprehensively.
Preferably, described inspection declaration is verified and is comprised weldquality, side sway, camber.
The present invention compared with prior art, beneficial effect is: the big girder construction of semitrailer provided by the invention, can reduce the crossbeam manufacturing time, alleviate employee work intensity, reduce the use that crossbeam is made required consumptive material, reduce cost, enhance productivity.And at its welding, adopt new welding procedure, improve service efficiency and the occupation rate of market of semitrailer, and create good economic benefit.
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Description of drawings
Fig. 1 is semitrailer crossbeam single-sided welding structural representation of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
See also shown in Figure 1, the big girder construction of semitrailer provided by the invention, comprise upper flange 1, lower wing plate 2 and web 3, upper flange 1, lower wing plate 2 and web 3 vertical assemblings, and web 3 departs from the center line 6 of upper flange 1 and lower wing plate 2, center line at upper flange 1, lower wing plate 2 is provided with weld seam 5 positions, adopt the flow welding mode web 3 to be fixed on the center line of upper flange 1, lower wing plate 2, with the angular deformation of effective control crossbeam in welding process, thereby guarantee that the whole piece crossbeam is evenly stressed in semitrailer travels, reduce the risk that inefficacy appears in crossbeam.
Wherein, be welded with stiffener at described web, described stiffener adopts C shaped steel, channel-section steel, rectangular tube material to make.
The big girder construction of semitrailer provided by the invention by changing web of grider position (off-centre), makes position while welding on the center line of crossbeam wing plate, thereby effectively guarantees the angular deformation of crossbeam in welding process, has guaranteed the producing balanced forces of crossbeam when carrying.
Semitrailer crossbeam single-sided welding technology of the present invention is as follows:
The web of crossbeam and upper and lower wing plate are positioned on the tooling platform position → clamp → beat out → spot welding → first full weld → weldering stiffener → inspection declaration, finish the crossbeam welding process.Concrete steps are as follows:
A, clamping: the web and the upper and lower wing plate that place are pressed against together by oil cylinder, by regulating the angle of cutting somebody's hair of oil cylinder, make the opening angle of crossbeam solder side be slightly larger than 90 ° (90 ° 30 ' about), thereby guarantee the not super tolerance of single face postwelding crossbeam opening angle.
B, beat out: the crossbeam after clamping can not guarantee each regional installation site all suitable (web has a little warpage blanking after), need beat extremely whole web opposed flattened of web by specifically handing small tool or little frock.
C, spot welding: the crossbeam after will beating out imposes spot welding every the distance of 150-200mm.
D, first full weld: the crossbeam that will put postwelding passes through from first to last full weld of crossbeam automatic welder(welding machine).
E, weldering stiffener: the crossbeam that the single face full weld is good is loaded onto stiffener in solder side respective design position not, and welding guarantees whole crossbeam structural safety.
F, inspection declaration: the crossbeam after will all welding is sent into inspection declaration platform position and is verified (weldquality, side sway, camber etc.) comprehensively
The big girder construction of semitrailer provided by the invention can be reduced the crossbeam manufacturing time, alleviates employee work intensity, reduces the use that crossbeam is made required consumptive material, reduces cost, and enhances productivity.And at its welding, adopt new welding procedure, improve service efficiency and the occupation rate of market of semitrailer, and create good economic benefit.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. big girder construction of semitrailer, it is characterized in that, comprise: upper flange, lower wing plate and web, upper flange, lower wing plate is vertical with web assembles, and web departs from the center line of upper flange and lower wing plate, center line at upper flange, lower wing plate is provided with position while welding, adopts the flow welding mode that web is fixed on the center line of upper flange, lower wing plate.
2. the big girder construction of semitrailer as claimed in claim 1 is characterized in that, also is welded with stiffener on described web, and described stiffener adopts C shaped steel, channel-section steel, rectangular tube material to make.
3. a semitrailer crossbeam welding procedure is characterized in that, comprising: the web of crossbeam and upper and lower wing plate are positioned on the tooling platform position → clamp → beat out → spot welding → first full weld → weldering stiffener → inspection declaration, finish the crossbeam welding process; Concrete steps are as follows:
Clamp: the web and the upper and lower wing plate that place are pressed against together by oil cylinder, by regulating the angle of cutting somebody's hair of oil cylinder, make the opening angle of crossbeam solder side be slightly larger than 90 °;
Beat out: the crossbeam after clamping need beat web to whole web opposed flattened by hand-held small tool or little frock;
Spot welding: the crossbeam after will beating out imposes spot welding every the distance of 150-200mm;
First full weld: the crossbeam that will put postwelding passes through from first to last full weld of crossbeam automatic welder(welding machine);
The weldering stiffener: the crossbeam that the single face full weld is good is loaded onto stiffener in solder side respective design position not, and welding guarantees whole crossbeam structural safety;
Inspection declaration: the crossbeam after will all welding is sent into inspection declaration platform position and is verified comprehensively.
4. semitrailer crossbeam welding procedure as claimed in claim 3 is characterized in that, described inspection declaration is verified and comprised weldquality, side sway, camber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310126600.8A CN103192189B (en) | 2013-04-12 | 2013-04-12 | Semitrailer girder structure and welding process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310126600.8A CN103192189B (en) | 2013-04-12 | 2013-04-12 | Semitrailer girder structure and welding process thereof |
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| CN103192189A true CN103192189A (en) | 2013-07-10 |
| CN103192189B CN103192189B (en) | 2015-05-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475998A (en) * | 2014-11-28 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | Bearing arm welding method |
| CN104625455A (en) * | 2015-01-27 | 2015-05-20 | 鞍钢建设集团有限公司 | Welding process capable of controlling welding deformation of groove type cross beam |
| CN110593484A (en) * | 2019-06-28 | 2019-12-20 | 河南平高电气股份有限公司 | H-shaped steel and reinforcing plate thereof |
| CN110625228A (en) * | 2019-10-18 | 2019-12-31 | 许智勇 | Semitrailer girder welding process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475998A (en) * | 2014-11-28 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | Bearing arm welding method |
| CN104625455A (en) * | 2015-01-27 | 2015-05-20 | 鞍钢建设集团有限公司 | Welding process capable of controlling welding deformation of groove type cross beam |
| CN110593484A (en) * | 2019-06-28 | 2019-12-20 | 河南平高电气股份有限公司 | H-shaped steel and reinforcing plate thereof |
| CN110625228A (en) * | 2019-10-18 | 2019-12-31 | 许智勇 | Semitrailer girder welding process |
| CN110625228B (en) * | 2019-10-18 | 2021-05-11 | 山东郓城金达挂车制造有限公司 | Semitrailer girder welding process |
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|---|---|
| CN103192189B (en) | 2015-05-27 |
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Effective date of registration: 20230105 Address after: No. 5, Wangniudun Section, Shuixiang Avenue, Wangniudun Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN CIMC SPECIAL VEHICLE Co.,Ltd. Address before: 518000 No.1, Jinlong Avenue, Pingshan Town, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CIMC SPECIAL VEHICLES Co.,Ltd. |