CN102861973A - Roof steel structure manufacturing technique of railway vehicles - Google Patents
Roof steel structure manufacturing technique of railway vehicles Download PDFInfo
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- CN102861973A CN102861973A CN2012103520687A CN201210352068A CN102861973A CN 102861973 A CN102861973 A CN 102861973A CN 2012103520687 A CN2012103520687 A CN 2012103520687A CN 201210352068 A CN201210352068 A CN 201210352068A CN 102861973 A CN102861973 A CN 102861973A
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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
At present the main manufacturing process flow of steel structure of car body roof is: middle top board makings → side top board composition → top board camber beam composition, hang iron composition → top board upset → side top board and middle top board welds → delivers for a check.Wherein instead fill the 2mm steel plate that the upper top board structure of station consists of 16 or 17 about 1.5m * 3m and be welded; and the formal dress station upside top board after top board upset and middle top board are about 26m lengthwise weld seam along whole vehicle commander's direction; all with the form of lap joint; adopt manually-operated semi-automatic gas shielded arc welding method 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, uses 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, improves working conditions, and enhances productivity, and the manufacture level of enterprise frees enterprise from labor-intensive production.And the side top board in the car body steel structure of car roof and middle top board are along the lengthwise weld seam of whole vehicle commander's direction; still adopt manually-operated semi-automatic gas shielded arc welding method to weld; for improving car body welding quality and efficient; need a kind of manufacturing new technology; further enhance productivity, reduce welding deformation.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, and a kind of trolley coach steel structure of car roof manufacturing process is provided.
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: gas metal-arc welding is adopted in the welding of middle top board and side top board; it utilizes a kind of welder to realize; described welder forms and comprises: welding system; guide rail; the walking dolly that can move along guide rail; dolly is provided be used to opening rail wheel and makes it prop up the rail wheel arrangement of clutch of guide rail; described guide rail bottom interval is equipped with for the magnet arrangement that guide rail is adsorbed on the top board; described dolly is provided with can be along the welding torch position guiding mechanism of guide rail vertical direction adjusting; the outer end of described welding torch position guiding mechanism is fixed with welding gun oscillation mechanism; be provided with the welding gun clip for the described welding system welding gun of clamping on the described welding gun oscillation mechanism, the welding method step is as follows:
The first step, side top board and middle top board overlap joint;
Second step, guide rail is adsorbed on the middle top board weld seam of described guide rail parallel between middle top board and side top board by magnet arrangement;
The 4th goes on foot, is fixed on the guide rail by the wheel of rail wheel arrangement of clutch with walking dolly;
The 3rd goes on foot, passes through the welding torch position guiding mechanism regulates welding torch position, makes welding gun aim at described weld seam;
The angle of the 5th step, adjustment welding gun angle of inclination and welding gun and weld seam makes its suitable automatic welding;
The 6th step, the dolly speed of welding is set is 11.4-13.5 mm/s, and adjustments welding current is 120-160A, adjustment weldingvoltage 21-25V;
The 7th step, dolly begin automatically to stop arc by the speed of welding walking that sets after being welded to the setting weld length, and automatic stopping.
The present invention further improves and is:
1, described the 7th the step in, dolly in welding process according to laser designation weld seam deviation manual fine-tuning welding torch position.
2, middle top board manufacture method is: carry out PLASMA ARC WELDING take 3 curved plates as one group, top board module in the formation turns round middle top board module to the anti-station that fills of roof to fall and will be welded to connect between the top board module in each behind the tire, finally forms elongated middle top board.
3, described welding torch position guiding mechanism comprises slide bar, the slide block that is mated, and locking device.
4, on the described guide rail disassembling handle that separates with top board for magnet arrangement is installed.
5, described welder also has the welding gun water-cooling system.
6, the magnet arrangement of described welder is a kind of in electromagnet, the permanent magnet.
Beneficial effect of the present invention is as follows:
The weld seam that the present invention is directed between top board and the side top board uses welding tractor to carry out automatic welding, welding gun can locally swing on welding tractor, the walking track can adopt aluminium alloy walking track, and track is adsorbed on the top board by magnet arrangement, realizes the machine automatization welding.Use welder to improve the production efficiency of coach roof steel construction, reduce welding deformation, and reduced workman's labour intensity, improve production environment.The automatic welding that top and side overhead welding stitched during enforcement by this scheme can realize has improved the side top board and has got welding quality.
Simultaneously, the manufacturing of middle top board first with top board module in forming by Plasma Welding between per 3, and then is placed the anti-station that fills of roof and is welded.This Combination Welding form had both reduced artificial welding capacity, had also avoided simultaneously the integral solder tire hard problem that falls.
Description of drawings
Fig. 1 is the embodiment of the invention one structural representation.
The specific embodiment
Trolley coach steel structure of car roof manufacturing process comprises: middle top board making → side top board composition → top board camber beam forms, hang iron composition → top board upset → side top board and middle top board welds → delivers for a check.Wherein, gas metal-arc welding is adopted in the welding of middle top board and side top board; it utilizes a kind of welder to realize; welder comprises: welding system; the welding gun water-cooling system; guide rail 2; the walking dolly 4 that can move along guide rail; dolly is provided be used to opening rail wheel and makes it prop up the rail wheel arrangement of clutch of guide rail; the guide rail bottom interval is equipped with for this example of magnet arrangement 3(that guide rail is adsorbed on the top board and adopts electromagnet; also and select permanent magnet); dolly is provided with can be along the welding torch position guiding mechanism 6 of guide rail 2 vertical direction adjusting; the outer end of welding torch position guiding mechanism 6 is fixed with welding gun oscillation mechanism 7, is provided with the welding gun clip 8 for the described welding system welding gun of clamping on the welding gun oscillation mechanism 7.1 is tooth on the guide rail among the figure.
The welding method step is as follows:
The first step, side top board and middle top board overlap joint;
Second step, guide rail is adsorbed on the middle top board weld seam of described guide rail parallel between middle top board and side top board by magnet arrangement;
The 4th goes on foot, is fixed on the guide rail by the wheel of rail wheel arrangement of clutch with walking dolly;
The 3rd goes on foot, passes through the welding torch position guiding mechanism regulates welding torch position, makes welding gun aim at described weld seam;
The angle of the 5th step, adjustment welding gun angle of inclination and welding gun and weld seam makes its suitable automatic welding;
The 6th step, the dolly speed of welding is set is 11.4-13.5 mm/s, and adjustments welding current is 120-160A, adjustment weldingvoltage 21-25V;
The 7th step, dolly begin automatically to stop arc by the speed of welding walking that sets after being welded to the setting weld length, and automatic stopping.In this step, dolly can be according to laser designation weld seam deviation manual fine-tuning welding torch position in welding process.
Middle top board manufacture method is: carry out PLASMA ARC WELDING take 3 curved plates as one group, top board module in the formation turns round middle top board module to the anti-station that fills of roof to fall and will be welded to connect between the top board module in each behind the tire, finally forms elongated middle top board.Adopt automanual gas shielded arc welding to connect between the middle top board module.
As shown in Figure 1, the welding torch position guiding mechanism of welder comprises slide bar, the slide block that is mated, and locking device.The disassembling handle that separates with top board for magnet arrangement is installed on the guide rail.
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 requirement of the present invention.
Claims (7)
1. trolley coach steel structure of car roof manufacturing process; it is characterized in that: gas metal-arc welding is adopted in the welding of middle top board and side top board; it utilizes a kind of welder to realize; described welder forms and comprises: welding system; guide rail; the walking dolly that can move along guide rail; dolly is provided be used to opening rail wheel and makes it prop up the rail wheel arrangement of clutch of guide rail; described guide rail bottom interval is equipped with for the magnet arrangement that guide rail is adsorbed on the top board; described dolly is provided with can be along the welding torch position guiding mechanism of guide rail vertical direction adjusting; the outer end of described welding torch position guiding mechanism is fixed with welding gun oscillation mechanism; be provided with the welding gun clip for the described welding system welding gun of clamping on the described welding gun oscillation mechanism, the welding method step is as follows:
The first step, side top board and middle top board overlap joint;
Second step, guide rail is adsorbed on the middle top board weld seam of described guide rail parallel between middle top board and side top board by magnet arrangement;
The 4th goes on foot, is fixed on the guide rail by the wheel of rail wheel arrangement of clutch with walking dolly;
The 3rd goes on foot, passes through the welding torch position guiding mechanism regulates welding torch position, makes welding gun aim at described weld seam;
The angle of the 5th step, adjustment welding gun angle of inclination and welding gun and weld seam makes its suitable automatic welding;
The 6th step, the dolly speed of welding is set is 11.4-13.5 mm/s, and adjustments welding current is 120-160A, adjustment weldingvoltage 21-25V;
The 7th step, dolly begin automatically to stop arc by the speed of welding walking that sets after being welded to the setting weld length, and automatic stopping.
2. trolley coach steel structure of car roof manufacturing process according to claim 1 is characterized in that: in described the 7th step, 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, it is characterized in that: middle top board manufacture method is: carry out PLASMA ARC WELDING take 3 curved plates as one group, top board module in the formation, middle top board module is turned round to the anti-station that fills of roof to fall and will be welded to connect between the top board module in each behind the tire, finally form elongated middle top board.
4. trolley coach steel structure of car roof manufacturing process according to claim 1, it is characterized in that: described welding torch position guiding mechanism comprises slide bar, the slide block that is mated, and locking device.
5. trolley coach steel structure of car roof manufacturing process according to claim 1 is characterized in that: the disassembling handle that separates with top board for magnet arrangement is installed on the described guide rail.
6. trolley coach steel structure of car roof manufacturing process according to claim 1, it is characterized in that: described welder also has the welding gun water-cooling system.
7. trolley coach steel structure of car roof manufacturing process according to claim 1 is characterized in that: the magnet arrangement of described welder is a kind of in electromagnet, the 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 true CN102861973A (en) | 2013-01-09 |
| CN102861973B CN102861973B (en) | 2015-03-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753072A (en) * | 2014-01-08 | 2014-04-30 | 无锡汉神电气有限公司 | Welding trolley with flexible guide rail |
| CN104096955A (en) * | 2013-04-11 | 2014-10-15 | 中色十二冶金建设有限公司 | Aluminum busbar narrow-gap special MIG (Metal-Inert Gas) welding machine |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096955A (en) * | 2013-04-11 | 2014-10-15 | 中色十二冶金建设有限公司 | Aluminum busbar narrow-gap special MIG (Metal-Inert Gas) welding machine |
| 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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| CN102861973B (en) | 2015-03-04 |
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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. |