CN204657793U - A kind of device preventing Steel plate bridge unit making welding deformation - Google Patents

A kind of device preventing Steel plate bridge unit making welding deformation Download PDF

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Publication number
CN204657793U
CN204657793U CN201520201309.7U CN201520201309U CN204657793U CN 204657793 U CN204657793 U CN 204657793U CN 201520201309 U CN201520201309 U CN 201520201309U CN 204657793 U CN204657793 U CN 204657793U
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China
Prior art keywords
welding
steel plate
plate bridge
support
predeformation
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CN201520201309.7U
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Chinese (zh)
Inventor
王爽
张建中
刘桂芳
田爱军
程军
项宏斌
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Machinery & Ship Co., Ltd., China Gezhouba Group
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Ge Zhou Ba Mechanical Industry Co Ltd
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Abstract

The utility model relates to a kind of device preventing Steel plate bridge unit making welding deformation, it comprises base, the middle part of base and end are vertically installed with middle standing pillar and end column respectively, support platform is connected to the top of middle standing pillar and end column by middle bearing pin and end bearing pin, longeron is connected with support platform is vertical, predeformation support is arranged in support platform, two ends of predeformation support are provided with compactor, Steel plate bridge is fixed on predeformation support by compactor, and U-shaped rib is welded on Steel plate bridge by automatic welder(welding machine).This device can assist the welding job of U-shaped rib on Steel plate bridge, by adopting reserved certain anti-deformation, and automatically completing welding job by welding robot, effectively decreasing welding deformation, improve welding efficiency and welding quality simultaneously.

Description

A kind of device preventing Steel plate bridge unit making welding deformation
Technical field
The utility model relates to a kind of auxiliary welding anti-deformation device, is specially a kind of device preventing Steel plate bridge unit making welding deformation.
Background technology
In the manufacture of bridge steel structure, top, bottom board unit quantity is more, and bridge cross direction requires reserved draining horizontal wall inscription.Simultaneously because top end unit panel is thinner, weld seam concentrates on the side of panel, the weld seam of usual U-shaped rib and panel requires higher, and the bevelled melt-through weld of normal employing, in manufacturing process, the top of bridge, bottom board unit are when welding, inevitably being subject to welding stress, thus welding deformation can occurring, therefore just needing to reserve certain reversible deformation camber when welding, to ensure the dimensional accuracy after welding, reduce the rectification workload because welding deformation brings simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of device preventing Steel plate bridge unit making welding deformation, this device can assist the welding job of U-shaped rib on Steel plate bridge, by adopting reserved certain anti-deformation, and automatically complete welding job by welding robot, effectively decrease welding deformation, improve welding efficiency and welding quality simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of device preventing Steel plate bridge unit making welding deformation, it comprises base, the middle part of base and end are vertically installed with middle standing pillar and end column respectively, support platform is connected to the top of middle standing pillar and end column by middle bearing pin and end bearing pin, longeron is connected with support platform is vertical, predeformation support is arranged in support platform, two ends of predeformation support are provided with compactor, Steel plate bridge is fixed on predeformation support by compactor, U-shaped rib is welded on Steel plate bridge by automatic welder(welding machine).
Described predeformation support adopts field-replaceable unit, the predeformation rise amount of predeformation support, according to welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead height factor, and the welding method of combination employing and welding process factor are on the impact of welding deformation, the technique reserved value calculated is determined.
Described middle standing pillar and end column are all scalable columns, and length can adjust.
Described support platform can be rotated around middle bearing pin, and cooperative end part column can adjust the angle of inclination of support platform.
Described automatic welder(welding machine) is one or more, can complete the welding of multiple U-shaped rib simultaneously.
Described U-shaped rib is processed with bevel for welding, and the welding wire of automatic welder(welding machine) aims at Weld pipe mill, and with U-shaped rib in being greater than 50 ° of angles.
The utility model can obtain following beneficial effect:
When carrying out the welding of U-shaped rib on Steel plate bridge, Steel plate bridge is fixedly mounted on by compactor in the support platform being provided with predeformation support, the predeformation rise amount of predeformation support, according to factors such as welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead heights, and the factor such as the welding method of combination employing and welding procedure is on the impact of welding deformation, the technique reserved value calculated is determined; After installation, by end column and middle standing pillar, the angle to support platform adjusts, its low side is made to drop on base, high side is firm by end upright supports, whole support is avoided to shake in operation, topple, the height of adjustment end column and middle standing pillar is with satisfied different predeformation support angle adjustment, thus ensure the soldering angle of each U-shaped rib and Steel plate bridge, then by automatic welder(welding machine) at CO 2weld under the effect of protection gas, ensure that welding quality, improve welding efficiency, effectively prevent welding deformation, to ensure its fusion penetration and weldquality.
Above-mentioned predeformation support adopts field-replaceable unit, the predeformation rise amount of predeformation support, according to factors such as welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead heights, and the factor such as the welding method of combination employing and welding procedure is on the impact of welding deformation, the technique reserved value calculated is determined, can ensure that the distortion produced in welding process can be cancelled out each other thus effectively prevent welding deformation by the anti-deformation of a reserved part; Predeformation support does not participate in carrying, improve the service life of predeformation welding positioner, simultaneously predeformation support is changed for the different structure of Steel plate bridge and merogenesis form, effectively ensure that the welding flexibility of the top of Steel plate bridge, base plate, greatly increases operation rate.
Above-mentioned middle standing pillar and end column are all scalable columns, and length can adjust, and can be regulated the angle of support platform by adjustable support, and then regulate the soldering angle of automatic welder(welding machine), ensure that weldquality, improve welding efficiency.
Above-mentioned support platform can be rotated around middle bearing pin, and cooperative end part column can adjust the angle of inclination of support platform, be ensure that the requirement of different soldering angle by angle of inclination.
Above-mentioned automatic welder(welding machine) is one or more, can complete the welding of multiple U-shaped rib simultaneously, thus improve welding efficiency.
Above-mentioned U-shaped rib is processed with bevel for welding, and the welding wire of automatic welder(welding machine) aims at Weld pipe mill, and with U-shaped rib in being greater than 50 ° of angles, can be improved quality and the welding efficiency of weld seam by suitable soldering angle.
Above-mentioned prevents the device of Steel plate bridge manufacturing cell welding deformation and the automated method of automatic welder(welding machine), makes welding deformation in controlled range, does not need to carry out correcting process and just can proceed to the general assembly stage after all Steel plate bridge manufacturing cells have been welded.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the utility model stereogram.
Fig. 2 is the utility model front view.
Fig. 3 is soldering angle schematic diagram in welding process in the utility model.
Fig. 4 is the front view of the another kind of arrangement of support platform of the present utility model.
In figure: support platform 1, end column 2, base 3, longeron 4, middle standing pillar 5, Steel plate bridge 6, predeformation support 7, automatic welder(welding machine) 8, U-shaped rib 9, compactor 10, middle bearing pin 11, end bearing pin 12.
Detailed description of the invention
As Fig. 1-3, concrete connection and installation in figure are, a kind of device preventing Steel plate bridge unit making welding deformation, it comprises base 3, the middle part of base 3 and end are vertically installed with middle standing pillar 5 and end column 2 respectively, support platform 1 is connected to the top of middle standing pillar 5 and end column 2 by middle bearing pin 11 and end bearing pin 12, longeron 4 is connected with support platform 1 is vertical, predeformation support 7 is arranged in support platform 1, two ends of predeformation support 7 are provided with compactor 10, Steel plate bridge 6 is fixed on predeformation support 7 by compactor 10, U-shaped rib 9 is welded on Steel plate bridge 6 by automatic welder(welding machine) 8.
Further, described predeformation support 7 adopts field-replaceable unit, the predeformation rise amount of predeformation support 7, according to welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead height factor, and the welding method of combination employing and welding process factor are on the impact of welding deformation, the technique reserved value calculated is determined.
Further, described middle standing pillar 5 and end column 2 are all scalable columns, and length can adjust, and can adopt screw-driven stretching structure, and hydraulic cylinder also can be adopted as its Telescopic adjusting structure.
Further, described support platform 1 can be rotated around middle bearing pin 11, and cooperative end part column 2 can adjust the angle of inclination of support platform 1.
Further, described automatic welder(welding machine) 8 is one or more, can complete the welding of multiple U-shaped rib simultaneously.
See Fig. 3, further, described U-shaped rib 9 is processed with bevel for welding, the welding wire of automatic welder(welding machine) 8 aims at Weld pipe mill, and with U-shaped rib 9 in being greater than 50 ° of angles.
Further, the length of described support platform 1 can be carried out adjustment according to the length of Steel plate bridge 6 and be selected.
See Fig. 4, the another kind of arrangement of the utility model support platform 1 is, middle standing pillar 5 is arranged on the centre position of base 3, at the two ends of base 3, end column 2 is set simultaneously, adopt above-mentioned structure also can realize the adjustment of support platform 1 angle easily, and the adjustment of its two-way angle can be realized.
Specific construction process of the present utility model and operation principle:
First, by Steel plate bridge 6 and U-shaped rib 9 unit on platform assembled complete after lift in support platform 1, compactor 10 is utilized to be fixed by Slab element on predeformation support 7, during welding, support platform 1 is adjusted to the height of locking end portions column 2 and middle standing pillar 5 after suitable angle, then weld, arrange that 2 gas shielded automatic welding machines 8 carry out the welding of Slab element, automatic welder(welding machine) 8 is advanced on U-shaped rib 9, positioning guide pulleys leans against on Steel plate bridge 6 and plays positioning action, the directive wheel of adjustment automatic welder(welding machine) 8 positions it, adjust the soldering supplying angle of welding gun, refer to Fig. 3, each U-shaped rib 9 is made all to reach best ship shape position welding with the soldering angle of Steel plate bridge 6, because groove is opened on U-shaped rib 9 processed, welding wire is allowed to aim at Weld pipe mill all the time, and be greater than 50 ° of angles to ensure the depth of penetration of mother metal U-shaped rib 9 with 9 one-tenth, U-shaped rib, 2 automatic welder(welding machine)s 8 stagger the distance from one end to the other side welding simultaneously all the time of 1 meter, until the U-shaped rib 9 on whole Steel plate bridge 6 has welded.
But when needing Steel plate bridge 6 and the U-shaped rib 9 changing different model, according to factors such as corresponding welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead heights, and the factor such as the welding method of combination employing and welding procedure is on the impact of welding deformation, the technique reserved value calculated, redesign the rise amount of predeformation support 7, it is made to ensure reserved certain welding deformation, the predeformation support 7 designed is reinstalled in support platform 1, then adopts above-mentioned same method to carry out welding job.
Advantage of the present utility model is:
1, the rectification workload because welding deformation brings is solved.By reserved anti-deformation, to offset the distortion that Thermal Cycle causes, thus reduce rectification workload, to enhance productivity, reduce production cost.
2, ensure welding quality, enhance productivity, adopt the automatic welding technique of ship shape position, realize the automatic welding technique of multiple stage welding welding simultaneously.
3, the utility model applicability is strong, simple to operation, use turnover rate is high, and self production cost is low, overcomes the shortcoming that the disposable input cost of steel bridge's manufacture is high, improves Business Economic Benefit.Improve Slab element manufacture welding work efficiency simultaneously, and ensure that the reliability of welding quality.

Claims (6)

1. one kind prevents the device of Steel plate bridge unit making welding deformation, it is characterized in that: it comprises base (3), the middle part of base (3) and end are vertically installed with middle standing pillar (5) and end column (2) respectively, support platform (1) is connected to the top of middle standing pillar (5) and end column (2) by middle bearing pin (11) and end bearing pin (12), longeron (4) is connected with support platform (1) is vertical, predeformation support (7) is arranged in support platform (1), two ends of predeformation support (7) are provided with compactor (10), Steel plate bridge (6) is fixed on predeformation support (7) by compactor (10), U-shaped rib (9) is welded on Steel plate bridge (6) by automatic welder(welding machine) (8).
2. a kind of device preventing Steel plate bridge unit making welding deformation according to claim 1, it is characterized in that: described predeformation support (7) adopts field-replaceable unit, the predeformation rise amount of predeformation support (7), according to welding unit sheet metal thickness, length, width, weld joint close intensity and weld bead height factor, and the welding method of combination employing and welding process factor are on the impact of welding deformation, the technique reserved value calculated is determined.
3. a kind of device preventing Steel plate bridge unit making welding deformation according to claim 1, is characterized in that: described middle standing pillar (5) and end column (2) are all scalable columns, and length can adjust.
4. a kind of device preventing Steel plate bridge unit making welding deformation according to claim 1, it is characterized in that: described support platform (1) can be rotated around middle bearing pin (11), and cooperative end part column (2) can adjust the angle of inclination of support platform (1).
5. a kind of device preventing Steel plate bridge unit making welding deformation according to claim 1, is characterized in that: described automatic welder(welding machine) (8) is one or more, can complete the welding of multiple U-shaped rib simultaneously.
6. a kind of device preventing Steel plate bridge unit making welding deformation according to claim 1, it is characterized in that: described U-shaped rib (9) is processed with bevel for welding, the welding wire of automatic welder(welding machine) (8) aims at Weld pipe mill, and with U-shaped rib (9) in being greater than 50 ° of angles.
CN201520201309.7U 2015-04-07 2015-04-07 A kind of device preventing Steel plate bridge unit making welding deformation Active CN204657793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520201309.7U CN204657793U (en) 2015-04-07 2015-04-07 A kind of device preventing Steel plate bridge unit making welding deformation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN204657793U true CN204657793U (en) 2015-09-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397369A (en) * 2015-12-16 2016-03-16 沈阳中辰钢结构工程有限公司 Welding reversible deformation technology for steel box girder top plate unit
CN108804725A (en) * 2017-04-28 2018-11-13 宝山钢铁股份有限公司 A kind of computational methods of welding anti-distortion amount

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397369A (en) * 2015-12-16 2016-03-16 沈阳中辰钢结构工程有限公司 Welding reversible deformation technology for steel box girder top plate unit
CN105397369B (en) * 2015-12-16 2017-07-28 沈阳中辰钢结构工程有限公司 A kind of steel box-girder top plate unit part welding anti-distortion technique
CN108804725A (en) * 2017-04-28 2018-11-13 宝山钢铁股份有限公司 A kind of computational methods of welding anti-distortion amount

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C14 Grant of patent or utility model
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TR01 Transfer of patent right

Effective date of registration: 20171228

Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road

Patentee after: Machinery & Ship Co., Ltd., China Gezhouba Group

Address before: 18 No. 443007 Hubei city of Yichang province located in Xiaoting District Road

Patentee before: Ge Zhou Ba mechanical industry Co., Ltd