CN102861973B - Roof steel structure manufacturing technique of railway vehicles - Google Patents
Roof steel structure manufacturing technique of railway vehicles Download PDFInfo
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- CN102861973B CN102861973B CN201210352068.7A CN201210352068A CN102861973B CN 102861973 B CN102861973 B CN 102861973B CN 201210352068 A CN201210352068 A CN 201210352068A CN 102861973 B CN102861973 B CN 102861973B
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Abstract
The invention relates to a roof steel structure manufacturing technique of railway vehicles, which comprises the following steps of: making a middle head plate, forming a side head plate, forming a head plate bent arm, forming hanging iron, overturning the head plates, welding the side head plate with the middle head plate and checking the roof steel structure, wherein the middle head plate is welded with the side head plate through gas metal arc welding, the weld is automatically welded by a welding buggy, a welding gun can locally swing on the welding buggy, a walking rail is an aluminum alloy walking rail, and the rail is adsorbed on the head plate through a magnet device to realize automatic mechanical welding. The welding device is used for improving the production efficiency of the roof steel structure, reducing the welding deformation, reducing the labor intensity of workers and improving the production environment. The middle head plate is manufactured in the following manner: welding each three head plates to a middle head plate module through plasma welding, and welding the middle head plate module at a roof reverse installation working position. The combined welding mode both reduces the manual welding quantity and avoids the problem of tire dropping difficulty in integral welding.
Description
Technical field
The present invention relates to a kind of trolley coach steel structure of car roof manufacturing process.
Background technology
Current steel structure of car body roof main manufacturing processes flow process is: middle top board making → side top board composition → top board camber beam forms, hang iron composition → top board upset → side top board welds with middle top board → deliver for a check.Wherein instead fill the 2mm steel plate that station upper top board structure consists of 16 or 17 pieces of about 1.5m × 3m to be welded; and top board and middle top board are about 26m lengthwise weld seam along whole vehicle commander direction on the upside of formal dress station after top board upset; all with the form of lap joint; manually-operated semi-automatic gas shielded arc welding method is adopted to weld; labour intensity is large; welding deformation is large and be difficult to control, and production efficiency is low.
Gas metal-arc welding is a kind of energy-efficient, low hydrogen type welding method, applies widely at home, is called a kind of important melting method.Along with the manufacturing high speed development of railway transportation equipment, increasing solder technology adopts automatic welding technique, and improve working conditions, enhance productivity, the manufacture level of enterprise, frees enterprise from labor-intensive production.And side top board in car body steel structure of car roof and middle top board are along the lengthwise weld seam in whole vehicle commander direction; manually-operated semi-automatic gas shielded arc welding method is still adopted to weld; for improving car body welding quality and efficiency; need a kind of manufacture new technology; enhance productivity further, reduce welding deformation.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, provides a kind of trolley coach steel structure of car roof manufacturing process.
In order to solve above technical problem, trolley coach steel structure of car roof manufacturing process provided by the invention, it is characterized in that: middle top board adopts gas metal-arc welding with welding of side top board, it utilizes a kind of welder to realize, described welder composition comprises: welding system, guide rail, can along the walking dolly of guide rail movement, dolly is provided with and makes it prop up the rail wheel arrangement of clutch of guide rail for opening rail wheel, described guide rail bottom interval is provided with the magnet arrangement for being adsorbed on by guide rail on middle top board, described dolly is provided with the welding torch position guiding mechanism that can regulate along guide rail vertical direction, the outer end of described welding torch position guiding mechanism is fixed with welding gun oscillation mechanism, described welding gun oscillation mechanism is provided with the welding gun clip for clamping described welding system welding gun, welding method step is as follows:
The first step, side top board and middle top board overlap;
Second step, guide rail is adsorbed on middle top board by magnet arrangement, the weld seam of described guide rail parallel between middle top board and side top board;
4th step, by rail wheel arrangement of clutch, the wheel of walking dolly is fixed on guide rail;
3rd step, by welding torch position guiding mechanism regulate welding torch position, make welding gun aim at described in weld seam;
5th step, adjustment welding gun angle of inclination and the angle of welding gun and weld seam, make its applicable automatic welding;
6th step, to arrange dolly speed of welding be 11.4-13.5 mm/s, and adjustment welding current is 120-160A, adjustment weldingvoltage 21-25V;
7th step, dolly start, by the speed of welding walking set, after being welded to setting weld length, automatically to stop arc, and automatic stopping.
The present invention further improves and is:
1, in described 7th step, dolly in welding process according to laser designation weld seam deviation manual fine-tuning welding torch position.
2, middle top board manufacture method is: be one group with 3 pieces of curved plates and carry out PLASMA ARC WELDING, ceiling module in formation, and the running of middle ceiling module is fallen after tire and is welded to connect between each middle ceiling module to the anti-station that fills of roof, the middle top board that final composition is elongated.
3, the described welding torch position guiding mechanism slide block that comprises slide bar, be mated, and locking device.
4, described guide rail is provided with the disassembling handle for being separated with middle top board by magnet arrangement.
5, described welder also has welding gun water-cooling system.
6, the magnet arrangement of described welder is the one in electromagnet, permanent magnet.
Beneficial effect of the present invention is as follows:
The weld seam that the present invention is directed between top board and side top board uses welding tractor to carry out automatic welding, welding gun can locally swing on welding tractor, walking track can adopt aluminium alloy walking track, and track is adsorbed on top board by magnet arrangement, realizes machine automatization welding.Use welder to improve the production efficiency of coach roof steel construction, reduce welding deformation, and reduce the labour intensity of workman, improve production environment.In can being realized by the enforcement of the program, the automatic welding of top and side overhead welding seam, improves side top board and obtains welding quality.
Meanwhile, the manufacture of middle top board, first by ceiling module in consisting of Plasma Welding between every 3 pieces, and then places the anti-station that fills of roof and welds.This Combination Welding form had both reduced human weld's amount, it also avoid integral solder simultaneously and to fall the problem of tire difficulty.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation.
Detailed description of the invention
Trolley coach steel structure of car roof manufacturing process, comprising: middle top board making → side top board composition → top board camber beam forms, hang iron composition → top board upset → side top board welds with middle top board → deliver for a check.Wherein, middle top board adopts gas metal-arc welding with welding of side top board, it utilizes a kind of welder to realize, welder comprises: welding system, welding gun water-cooling system, guide rail 2, can along the walking dolly 4 of guide rail movement, dolly is provided with and makes it prop up the rail wheel arrangement of clutch of guide rail for opening rail wheel, guide rail bottom interval is provided with and adopts electromagnet for this example of magnet arrangement 3(be adsorbed on by guide rail on middle top board, also and select permanent magnet), dolly is provided with the welding torch position guiding mechanism 6 that can regulate along guide rail 2 vertical direction, the outer end of welding torch position guiding mechanism 6 is fixed with welding gun oscillation mechanism 7, welding gun oscillation mechanism 7 is provided with the welding gun clip 8 for clamping described welding system welding gun.In figure, 1 is the tooth on guide rail.
Welding method step is as follows:
The first step, side top board and middle top board overlap;
Second step, guide rail is adsorbed on middle top board by magnet arrangement, the weld seam of described guide rail parallel between middle top board and side top board;
4th step, by rail wheel arrangement of clutch, the wheel of walking dolly is fixed on guide rail;
3rd step, by welding torch position guiding mechanism regulate welding torch position, make welding gun aim at described in weld seam;
5th step, adjustment welding gun angle of inclination and the angle of welding gun and weld seam, make its applicable automatic welding;
6th step, to arrange dolly speed of welding be 11.4-13.5 mm/s, and adjustment welding current is 120-160A, adjustment weldingvoltage 21-25V;
7th step, dolly start, by the speed of welding walking set, after being welded to setting weld length, automatically to stop arc, and automatic stopping.In this step, dolly can according to laser designation weld seam deviation manual fine-tuning welding torch position in welding process.
Middle top board manufacture method is: be one group with 3 pieces of curved plates and carry out PLASMA ARC WELDING, ceiling module in formation, and the running of middle ceiling module is fallen after tire and is welded to connect between each middle ceiling module to the anti-station that fills of roof, the middle top board that final composition is elongated.Automanual gas shielded arc welding is adopted to connect between middle ceiling module.
As shown in Figure 1, the slide block that the welding torch position guiding mechanism of welder comprises slide bar, is mated, and locking device.Guide rail is provided with the disassembling handle for being separated with middle top board by magnet arrangement.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. trolley coach steel structure of car roof manufacturing process, comprises successively: middle top board makes, and side top board forms, and top board camber beam forms, hang iron composition, and top board overturns, and side top board welds with middle top board, delivers for a check;
Wherein, middle top board manufacture method is: be one group with 3 pieces of curved plates and carry out PLASMA ARC WELDING, ceiling module in formation, and the running of middle ceiling module is fallen after tire and is welded to connect between each middle ceiling module to the anti-station that fills of roof, the middle top board that final composition is elongated;
Middle top board adopts gas metal-arc welding with welding of side top board, it utilizes a kind of welder to realize, described welder composition comprises: welding system, guide rail, can along the walking dolly of guide rail movement, walking dolly is provided with and makes it prop up the rail wheel arrangement of clutch of guide rail for opening rail wheel, described guide rail bottom interval is provided with the magnet arrangement for being adsorbed on by guide rail on middle top board, described walking dolly is provided with the welding torch position guiding mechanism that can regulate along guide rail vertical direction, the outer end of described welding torch position guiding mechanism is fixed with welding gun oscillation mechanism, described welding gun oscillation mechanism is provided with the welding gun clip for clamping described welding system welding gun, welding method step is as follows:
The first step, side top board and middle top board overlap;
Second step, guide rail is adsorbed on middle top board by magnet arrangement, the weld seam of described guide rail parallel between middle top board and side top board;
4th step, by rail wheel arrangement of clutch, the wheel of walking dolly is fixed on guide rail;
3rd step, by welding torch position guiding mechanism regulate welding torch position, make welding gun aim at described in weld seam;
5th step, adjustment welding gun angle of inclination and the angle of welding gun and weld seam, make its applicable automatic welding;
6th step, to arrange walking dolly speed of welding be 11.4-13.5 mm/s, and adjustment welding current is 120-160A, adjustment weldingvoltage 21-25V;
7th step, walking dolly start, by the speed of welding walking set, after being welded to setting weld length, automatically to stop arc, and automatic stopping.
2. trolley coach steel structure of car roof manufacturing process according to claim 1, is characterized in that: in described 7th step, walking dolly in welding process according to laser designation weld seam deviation manual fine-tuning welding torch position.
3. trolley coach steel structure of car roof manufacturing process according to claim 1, is characterized in that: the slide block that described welding torch position guiding mechanism comprises slide bar, is mated, and locking device.
4. trolley coach steel structure of car roof manufacturing process according to claim 1, is characterized in that: described guide rail is provided with the disassembling handle for being separated with middle top board by magnet arrangement.
5. trolley coach steel structure of car roof manufacturing process according to claim 1, is characterized in that: described welder also has welding gun water-cooling system.
6. trolley coach steel structure of car roof manufacturing process according to claim 1, is characterized in that: the magnet arrangement of described welder is the one in electromagnet, permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210352068.7A CN102861973B (en) | 2012-09-20 | 2012-09-20 | Roof steel structure manufacturing technique of railway vehicles |
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| CN201210352068.7A CN102861973B (en) | 2012-09-20 | 2012-09-20 | Roof steel structure manufacturing technique of railway vehicles |
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| CN102861973A CN102861973A (en) | 2013-01-09 |
| CN102861973B true CN102861973B (en) | 2015-03-04 |
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| CN104096955B (en) * | 2013-04-11 | 2017-07-28 | 中色十二冶金建设有限公司 | Aluminium busbar narrow gap MIG special welding machines |
| CN103342141B (en) * | 2013-07-29 | 2016-01-13 | 江西博能上饶客车有限公司 | The electromagnetism hanging device of mini-bus car load Top Skin |
| CN103753072A (en) * | 2014-01-08 | 2014-04-30 | 无锡汉神电气有限公司 | Welding trolley with flexible guide rail |
| CN105834547A (en) * | 2016-05-28 | 2016-08-10 | 广州科勒尔制冷设备有限公司 | Automatic welding equipment for galvanized ice molds |
| CN106425194A (en) * | 2016-08-15 | 2017-02-22 | 广东广都电扶梯部件有限公司 | Escalator frame and bottom plate welding method |
| CN106238971A (en) * | 2016-08-16 | 2016-12-21 | 广东广都电扶梯部件有限公司 | Escalator frame and the welding method of base plate |
| CN107825016A (en) * | 2017-10-20 | 2018-03-23 | 中船黄埔文冲船舶有限公司 | A kind of building berth closes up greatly vertical weld automatic soldering device |
| CN114264787A (en) * | 2021-12-22 | 2022-04-01 | 抚顺市特种设备监督检验所 | Phased array detection device and detection method |
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| DE602006009895D1 (en) * | 2006-02-06 | 2009-12-03 | Force Technology | Cart for automating welding, soldering, cutting and surface treatment processes |
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| US6494307B1 (en) * | 1997-09-08 | 2002-12-17 | Weld Tooling Corporation | Flexible track and carriage system |
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Address after: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |