CN105171204A - Welding production line and construction method for bridge plate unit - Google Patents
Welding production line and construction method for bridge plate unit Download PDFInfo
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- CN105171204A CN105171204A CN201510682005.1A CN201510682005A CN105171204A CN 105171204 A CN105171204 A CN 105171204A CN 201510682005 A CN201510682005 A CN 201510682005A CN 105171204 A CN105171204 A CN 105171204A
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- welding
- moulding bed
- portal frame
- production line
- slab element
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Abstract
The invention discloses a welding production line and construction method for a bridge plate unit. The welding production line comprises a jig, a portal frame and multiple groups of welding equipment, wherein first ground embedded pieces are arranged on two sides of the jig, rails are arranged on the first ground embedded pieces, the portal frame is mounted on the rails, a traveling motor is arranged on the portal frame, an accommodating platform is arranged on the top surface of the portal frame, and a cable tray is arranged on one side of the portal frame; the jig comprises a jig base body, multiple supports, supporting oil cylinders and multiple locking clamps; each group of welding equipment comprises a CO2 welding machine power supply, a CO2 welding wire feeding mechanism, a CO2 welding automatic welding carriage, a cooling system and a CO2 welding gun, the CO2 welding machine power supply, the CO2 welding wire feeding mechanism and the cooling system are placed on the accommodating platform of the portal frame, the CO2 welding gun is fixed on the CO2 welding automatic welding carriage, so that the construction environment is improved, and interference caused by welding arcs to peripheral construction personnel is reduced and even eliminated.
Description
Technical field
The present invention relates to bridge and manufacture field, particularly relate to a kind of bridge plate units welding production line and construction method thereof.
Background technology
Orthotropic plate steel bridge is since coming out after World War II, and because of from heavy and light, ultimate bearing capacity is large, and steel box-girder oneself height is low, is easy to processing and manufacturing, the advantages such as short construction period, is widely used in big or middle span bridge by European, Japan and other countries.At the end of last century, along with the continuous maturation of Orthotropic Steel Bridge Deck theory and the raising of construction technology, the countries such as the U.S. also start increasing application.China introduces steel bridge deck technology in early 1970s, start the nineties to build the steel bridge adopting Orthotropic Steel Bridge Deck on a large scale, particularly large-span cable supports steel bridge, up to now, the cable-stayed bridge of domestic built nearly hundred large span Orthotropic Steel Bridge Deck, suspension bridge, arch bridge and beam bridge.The construction of these steel bridges, accelerates the pace of construction of traffic infrastructure, serves very important effect to socioeconomic development.
The design feature of orthotropic plate steel bridge is top board, base plate and web all adopt vertical rib reinforcing structure form, the construction characteristic of this kind of structure is that the welding job amount of vertical rib longitudinal joint is larger, therefore a lot of producer all first will indulge rib and steel bridge top board, base plate becomes Slab element with web assembling, then special special welding production line is adopted to carry out welding, for improving work efficiency, adopt multi-head welder welding simultaneously, and multiple stage welding machine is placed on one can controls on the portal frame of the speed of travel, thus realize automatic welding, because vertical rib majority is the steel plate that thickness of slab is relatively thin, existing submerged arc welding machine cannot be adopted to carry out Lincoln weld, therefore existing welding method is CO2 gas shielded arc welding.Because CO2 gas shielded arc welding is a kind of welding manner having very strong electro-welding arc, and larger on the impact of workman when bull is constructed simultaneously, also more difficult protection.
Therefore, be necessary to provide a kind of bridge plate units welding production line of solving the problems of the technologies described above and construction method thereof.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of bridge plate units welding production line and the construction method thereof of improving construction environment.
For achieving the above object, the technical solution used in the present invention is: a kind of bridge plate units welding production line, comprise: moulding bed, portal frame and array welding equipment, described portal frame is arranged at the top of moulding bed, the both sides of described moulding bed are provided with the first ground built-in fitting, described first ground built-in fitting is provided with track, described portal frame is installed on track, portal frame is provided with movable motor, the end face of described portal frame is provided with lays platform, the side of described portal frame is provided with cable frame, described cable frame is provided with the use line of power supply needed for welding equipment and portal frame, described moulding bed comprises: moulding bed matrix, several bearing, support cylinder and several locking fixture, described bearing and moulding bed matrix adopt stud connection, one end of described support cylinder is installed on the side of moulding bed matrix by hinge, the other end of described support cylinder is installed on the second ground built-in fitting corresponding with moulding bed center by hinge, every bond pads equipment comprises: a CO2 welding machine electric power, a CO2 welds wire feeder, a CO2 welding automatic welding trolley, a cooling system and one is CO2 welding gun, described CO2 welding machine electric power, what CO2 welded that wire feeder and cooling system be all positioned over portal frame lays on platform, described CO2 welding gun is fixed on CO2 welding automatic welding trolley, described CO2 welding automatic welding trolley is placed on welded Slab element.
Preferably, in above-mentioned a kind of bridge plate units welding production line, H08A welding wire or the H10Mn2 welding wire of the welding wire that described welding equipment adopts to be diameter be 1.6mm.
Preferably, in above-mentioned a kind of bridge plate units welding production line, the solder flux that described welding equipment adopts is SJ101 solder flux or HJ431 solder flux.
Preferably, in above-mentioned a kind of bridge plate units welding production line, described several locking fixture is arranged at the both sides of moulding bed matrix respectively, and each locking fixture is connected with moulding bed matrix phase by two bearing pins.
Preferably, in above-mentioned a kind of bridge plate units welding production line, described welding equipment is 4 ~ 6 groups.
For achieving the above object, another technical scheme that the present invention adopts is: a kind of welding procedure method of bridge plate units, comprise following construction procedure: A) prepare a bridge plate units welding production line, described bridge plate units welding production line comprises: moulding bed, portal frame and array welding equipment, described portal frame is arranged at the top of moulding bed, the both sides of described moulding bed are provided with the first ground built-in fitting, described first ground built-in fitting is provided with track, described portal frame is installed on track, portal frame is provided with movable motor, the end face of described portal frame is provided with lays platform, the side of described portal frame is provided with cable frame, described cable frame is provided with the use line of power supply needed for welding equipment and portal frame, described moulding bed comprises: moulding bed matrix, several bearing, support cylinder and several locking fixture, described bearing and moulding bed matrix adopt stud connection, one end of described support cylinder is installed on the side of moulding bed matrix by hinge, the other end of described support cylinder is installed on the second ground built-in fitting corresponding with moulding bed center by hinge, every bond pads equipment comprises: a CO2 welding machine electric power, a CO2 welds wire feeder, a CO2 welding automatic welding trolley, a cooling system and one is CO2 welding gun, described CO2 welding machine electric power, what CO2 welded that wire feeder and cooling system be all positioned over portal frame lays on platform, described CO2 welding gun is fixed on CO2 welding automatic welding trolley, described CO2 welding automatic welding trolley is placed on welded Slab element, B) by regulating support cylinder that the moulding bed of Slab element welding production line is adjusted to horizontal level, C) Slab element assembling completion is placed on moulding bed, and with the locking fixture of moulding bed both sides, Slab element is fixed, D) regulate support cylinder to rotate moulding bed, make Slab element and ground form the slanted angle of 25 ° ~ 35 °, E) on Slab element, place the automatic walking welding tractor identical with vertical rib quantity, welding tractor is fixed with welding gun, the welding gun state of debugging clamping on welding tractor to ensure possible angle and the distance of welding gun, and sets the speed of travel of welding tractor, F) start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib side is completed, G) regulate support cylinder to rotate moulding bed, the weld seam allowing Slab element indulge rib opposite side is in the obliquity of 25 ° ~ 35 °, H) again start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib opposite side is completed, I) regulate support cylinder to rotate moulding bed, Slab element is horizontal, J) unclamp the locking fixture that both sides are fixing, Slab element is hung out from moulding bed.
Beneficial effect of the present invention is simple for: the welding production line apparatus structure adopted in the present invention, easily manufactures; Adopt CO2 welding equipment to implement submerged-arc welding, make submerged-arc welding construction method can in the welding of less welding area of space.Adopt the submerged-arc welding construction method of obliquity, the shaping fairing of weld appearance, can reduce the welding stress of welding line joint, thus improves the service life of product; Submerged-arc welding can produce certain welding penetration, thus is more conducive to the fusion penetration requirement ensureing weld seam, also more can ensure the internal soundness of weld seam; The wlding advantage of lower cost that submerged-arc welding is used, and the wlding deposition rate of submerged-arc welding is relatively high, therefore adopt construction method of the present invention escapable cost comparatively speaking; Adopt in submerged-arc welding welding process and there is no electro-welding arc, improve construction environment, reduce and even eliminate the interference of electro-welding arc to periphery workmen.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of Orthotropic Steel Bridge Deck.
Fig. 2 is the structural representation that position is implemented in submerged-arc welding.
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Fig. 4 is the structural representation of Bridge Slab element welding production line of the present invention.
Fig. 5 is the structural representation of another angle of Bridge Slab element welding production line of the present invention.
Fig. 6 is that in the present invention, schematic diagram fixed by Slab element clamping on construction moulding bed.
Fig. 7 is the schematic diagram that in the present invention, Slab element carries out filament submerged-arc welding to lopsidedness.
Fig. 8 is the schematic diagram that in the present invention, Slab element tilts to carry out filament submerged-arc welding to opposite side.
Fig. 9 is the structural representation that in the present invention, Slab element splits out from construction moulding bed.
In Fig. 1 to Fig. 9: 1, bridge top board, 2, bridge base plate, 3, bridge web, 4, diaphragm plate, 5, limit web, 6, vertical rib, 7, the longitudinal joint angle weld seam of vertical rib, 8, welding tractor, 9, CO2 welding gun, 10, Slab element, 11, portal frame, 12, moulding bed, 13, track, 14, welding equipment, 16, moulding bed matrix, 17, hinge, 18, bearing, 19, locking fixture, 20, support cylinder, 21, CO2 welding machine electric power, 22, CO2 welds wire feeder.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.The example of these preferred embodiments illustrates in the accompanying drawings.Shown in accompanying drawing and the embodiments of the present invention described with reference to the accompanying drawings be only exemplary, and the present invention is not limited to these embodiments.
At this, also it should be noted that, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related structure of the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
The application in bridge construction construction of bridge plate units welding production line in the present invention, as shown in Figure 1, the structure related in the construction of this bridge type has bridge top board 1, bridge base plate 2, bridge web 3, diaphragm plate 4, limit web 5 and vertical rib 6 to the typical structure of the orthotropic plate that the present invention is directed to.Filament submerged-arc welding of the present invention implements that position is bridge top board 1, vertical rib longitudinal joint angle weld seam 7(on bridge base plate 2 and bridge web 3 joins shown in Fig. 2 and Fig. 3).
A welding procedure method for bridge plate units, comprises following construction procedure:
A) a bridge plate units welding production line is prepared, shown in ginseng Fig. 4 and Fig. 5, described bridge plate units welding production line comprises: moulding bed 12, portal frame 11 and 4 ~ 6 bond pads equipment 14, described portal frame 11 is arranged at the top of moulding bed 12, the both sides of described moulding bed 12 are provided with the first ground built-in fitting, described first ground built-in fitting is provided with track 13, described portal frame 11 is installed on track 13, portal frame 11 is provided with movable motor, described portal frame 11 can be walked automatically along track 13, and the speed of travel can be mated with welding tractor 8.The end face of described portal frame 11 is provided with lays platform, the side of described portal frame 11 is provided with cable frame, described cable frame is provided with the use line of power supply needed for welding equipment and portal frame, cable can move folding and unfolding with portal frame, cable moves on cable frame, ensures that portal frame can be walked in the region covering moulding bed.Described moulding bed 12 comprises: moulding bed matrix 16, several bearing 18, support cylinder 20 and several locking fixture 19, described bearing 18 and moulding bed matrix 16 adopt hinge 17 to be connected, one end of described support cylinder 20 is installed on the side of moulding bed matrix 16 by hinge, the other end of described support cylinder 20 is installed on the second ground built-in fitting corresponding with moulding bed center by hinge, is regulated the laying state of moulding bed matrix 16 by the stroke of support cylinder 20.In the present embodiment, adopt 6 bond pads equipment altogether, every bond pads equipment comprises: a CO2 welding machine electric power 21, CO2 welds wire feeder 22, CO2 welding automatic welding trolley 8, cooling system and CO2 welding gun 9, what described CO2 welding machine electric power 21, CO2 welded that wire feeder 22 and cooling system be all positioned over portal frame 11 lays on platform, described CO2 welding gun 9 is fixed on CO2 welding automatic welding trolley 8, is ensured possible angle and the distance of welding gun by control welding gun clamping in the state of welding tractor.Adopt full-automatic welding can reduce artificial uncontrollable disturbing factor, be easy to control operation, operating efficiency is higher, and weldquality is reliable and stable.Described CO2 welding automatic welding trolley 8 is placed on welded Slab element 10.H08A welding wire or the H10Mn2 welding wire of the welding wire that described welding equipment adopts to be diameter be 1.6mm.The solder flux that described welding equipment adopts is SJ101 solder flux or HJ431 solder flux.Described several locking fixture 19 is arranged at the both sides of moulding bed matrix 16 respectively, and each locking fixture 19 is connected with moulding bed matrix 16 by two bearing pins, during as removed Slab element, extracts a bearing pin, and locking fixture can rotate around of a remainder bearing pin; When need be locked, install two bearing pins, locking fixture would not rotate, thus ensures that Slab element and moulding bed matrix are fixed.
B) by regulating support cylinder that the moulding bed of Slab element welding production line is adjusted to horizontal level (shown in ginseng Fig. 6);
C) Slab element assembling completion is placed on moulding bed, and Slab element is fixed (shown in ginseng Fig. 6) with the locking fixture of moulding bed both sides;
D) regulate support cylinder to rotate moulding bed, make Slab element and ground form the slanted angle (joining shown in Fig. 7) of 25 ° ~ 35 °;
E) on Slab element, place the automatic walking welding tractor identical with vertical rib quantity, welding tractor is fixed with welding gun, the welding gun state of debugging clamping on welding tractor to ensure possible angle and the distance of welding gun, and sets the speed of travel of welding tractor;
F) start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib side is completed;
G) regulate support cylinder to rotate moulding bed, the weld seam allowing Slab element indulge rib opposite side is in the obliquity (shown in ginseng Fig. 8) of 25 ° ~ 35 °;
H) again start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib opposite side is completed;
I) regulate support cylinder to rotate moulding bed, Slab element is horizontal (shown in ginseng Fig. 9);
J) unclamp the locking fixture that both sides are fixing, Slab element is hung out (shown in ginseng Fig. 9) from moulding bed.
In sum, the welding production line apparatus structure adopted in the present invention is simple, easily manufactures; Adopt CO2 welding equipment to implement submerged-arc welding, make submerged-arc welding construction method can in the welding of less welding area of space.Adopt the submerged-arc welding construction method of obliquity, the shaping fairing of weld appearance, can reduce the welding stress of welding line joint, thus improves the service life of product; Submerged-arc welding can produce certain welding penetration, thus is more conducive to the fusion penetration requirement ensureing weld seam, also more can ensure the internal soundness of weld seam; The wlding advantage of lower cost that submerged-arc welding is used, and the wlding deposition rate of submerged-arc welding is relatively high, therefore adopt construction method of the present invention escapable cost comparatively speaking; Adopt in submerged-arc welding welding process and there is no electro-welding arc, improve construction environment, reduce and even eliminate the interference of electro-welding arc to periphery workmen.
Finally, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Claims (6)
1. a bridge plate units welding production line, it is characterized in that, comprise: moulding bed, portal frame and array welding equipment, described portal frame is arranged at the top of moulding bed, the both sides of described moulding bed are provided with the first ground built-in fitting, described first ground built-in fitting is provided with track, described portal frame is installed on track, portal frame is provided with movable motor, the end face of described portal frame is provided with lays platform, the side of described portal frame is provided with cable frame, described cable frame is provided with the use line of power supply needed for welding equipment and portal frame, described moulding bed comprises: moulding bed matrix, several bearing, support cylinder and several locking fixture, described bearing and moulding bed matrix adopt stud connection, one end of described support cylinder is installed on the side of moulding bed matrix by hinge, the other end of described support cylinder is installed on the second ground built-in fitting corresponding with moulding bed center by hinge, every bond pads equipment comprises: a CO2 welding machine electric power, a CO2 welds wire feeder, a CO2 welding automatic welding trolley, a cooling system and one is CO2 welding gun, described CO2 welding machine electric power, what CO2 welded that wire feeder and cooling system be all positioned over portal frame lays on platform, described CO2 welding gun is fixed on CO2 welding automatic welding trolley, described CO2 welding automatic welding trolley is placed on welded Slab element.
2. a kind of bridge plate units welding production line as claimed in claim 1, is characterized in that: H08A welding wire or the H10Mn2 welding wire of the welding wire that described welding equipment adopts to be diameter be 1.6mm.
3. a kind of bridge plate units welding production line as claimed in claim 1, is characterized in that: the solder flux that described welding equipment adopts is SJ101 solder flux or HJ431 solder flux.
4. a kind of bridge plate units welding production line as claimed in claim 1, is characterized in that: described several locking fixture is arranged at the both sides of moulding bed matrix respectively, and each locking fixture is connected with moulding bed matrix phase by two bearing pins.
5. a kind of bridge plate units welding production line as claimed in claim 1, is characterized in that: described welding equipment is 4 ~ 6 groups.
6. a welding procedure method for bridge plate units, is characterized in that, comprises following construction procedure:
A) a bridge plate units welding production line is prepared, described bridge plate units welding production line comprises: moulding bed, portal frame and array welding equipment, described portal frame is arranged at the top of moulding bed, the both sides of described moulding bed are provided with the first ground built-in fitting, described first ground built-in fitting is provided with track, described portal frame is installed on track, portal frame is provided with movable motor, the end face of described portal frame is provided with lays platform, the side of described portal frame is provided with cable frame, described cable frame is provided with the use line of power supply needed for welding equipment and portal frame, described moulding bed comprises: moulding bed matrix, several bearing, support cylinder and several locking fixture, described bearing and moulding bed matrix adopt stud connection, one end of described support cylinder is installed on the side of moulding bed matrix by hinge, the other end of described support cylinder is installed on the second ground built-in fitting corresponding with moulding bed center by hinge, every bond pads equipment comprises: a CO2 welding machine electric power, a CO2 welds wire feeder, a CO2 welding automatic welding trolley, a cooling system and one is CO2 welding gun, described CO2 welding machine electric power, what CO2 welded that wire feeder and cooling system be all positioned over portal frame lays on platform, described CO2 welding gun is fixed on CO2 welding automatic welding trolley, described CO2 welding automatic welding trolley is placed on welded Slab element,
B) by regulating support cylinder that the moulding bed of Slab element welding production line is adjusted to horizontal level;
C) Slab element assembling completion is placed on moulding bed, and with the locking fixture of moulding bed both sides, Slab element is fixed;
D) regulate support cylinder to rotate moulding bed, make Slab element and ground form the slanted angle of 25 ° ~ 35 °;
E) on Slab element, place the automatic walking welding tractor identical with vertical rib quantity, welding tractor is fixed with welding gun, the welding gun state of debugging clamping on welding tractor to ensure possible angle and the distance of welding gun, and sets the speed of travel of welding tractor;
F) start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib side is completed;
G) regulate support cylinder to rotate moulding bed, the weld seam allowing Slab element indulge rib opposite side is in the obliquity of 25 ° ~ 35 °;
H) again start the portal frame of welding production line, the source of welding current and welding tractor, one end that all welding tractors all indulge rib from Slab element is moved to the other end, the whole welding of weld seam of vertical rib opposite side is completed;
I) regulate support cylinder to rotate moulding bed, Slab element is horizontal;
J) unclamp the locking fixture that both sides are fixing, Slab element is hung out from moulding bed.
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| CN201510682005.1A CN105171204A (en) | 2015-10-21 | 2015-10-21 | Welding production line and construction method for bridge plate unit |
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| CN105817809A (en) * | 2016-04-26 | 2016-08-03 | 成都科创佳思科技有限公司 | Bridge jig frame structure |
| CN106583892A (en) * | 2016-12-07 | 2017-04-26 | 武汉冶钢结构有限责任公司 | Steel box girder unit part stiffening rib welding method |
| CN107052684A (en) * | 2016-12-10 | 2017-08-18 | 湖南金海钢结构股份有限公司 | A kind of steel construction Slab element welding anti-distortion upset moulding bed and its application method |
| CN107649763A (en) * | 2017-11-14 | 2018-02-02 | 广东泰格威机器人科技有限公司 | A kind of aluminum alloy pattern plate welding system |
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| CN112475709A (en) * | 2020-10-12 | 2021-03-12 | 湖北大集重钢有限公司 | Welding system for steel structure bridge |
| CN114227114A (en) * | 2022-01-10 | 2022-03-25 | 湖北天高钢桥智造科技有限公司 | Horizontally-movable welding and overturning oblique beam device and application thereof |
| CN114393284A (en) * | 2022-02-23 | 2022-04-26 | 湖北天高钢桥智造科技有限公司 | Plate unit U rib inner and outer longitudinal seam synchronous integrated ship position submerged arc welding system and process thereof |
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