CN116604213A - Manufacturing and welding process of novel corrugated web steel girder structure - Google Patents
Manufacturing and welding process of novel corrugated web steel girder structure Download PDFInfo
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- CN116604213A CN116604213A CN202310665642.2A CN202310665642A CN116604213A CN 116604213 A CN116604213 A CN 116604213A CN 202310665642 A CN202310665642 A CN 202310665642A CN 116604213 A CN116604213 A CN 116604213A
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- 238000003466 welding Methods 0.000 title claims abstract description 196
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005536 corrosion prevention Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims abstract description 8
- 230000001680 brushing effect Effects 0.000 claims abstract description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 27
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
- B23K37/0443—Jigs
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The application relates to the technical field of steel beam manufacturing, in particular to a manufacturing and welding process of a novel corrugated web steel beam structure, which comprises the following steps of: s1, preparing welding, namely cleaning welding positions of all parts of the steel beam to ensure welding quality, S2, welding, S2.1, and positioning welding, wherein the perpendicularity of all parts of the steel beam is corrected to be fixed by spot welding, and symmetrical positioning welding is adopted during the spot welding fixation; s2.2, performing formal welding, namely performing symmetrical full welding on the steel beam, and adopting segment welding, jump welding or combination welding of the segment welding and the jump welding to reduce welding deformation and welding deflection; s3, cleaning the welded seam, performing corrosion prevention, and then brushing paint for corrosion prevention. The application has the effect of improving the bearing capacity of the bridge.
Description
Technical Field
The application relates to the technical field of steel beam manufacturing, in particular to a manufacturing and welding process of a novel corrugated web steel beam structure.
Background
At present, in the section bar, one side of flat steel, angle steel, flat-bulb steel and a plate which are welded is regarded as a web plate. The web has a great deal of application in the aspects of steel structure manufacture, bridge engineering, ship manufacture, engineering machinery, equipment manufacture and the like. The steel box girder widely applied in the building field is formed by welding two parallel opposite flange plates and two opposite steel webs perpendicular to the flange plates, and most of the steel webs are corrugated steel plates so as to meet the requirements of stability and shearing bearing capacity.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, when the steel web and the flange plate are welded, the steel web is generally abutted against the flange plate, the welding positioning is firstly carried out, then the welding is carried out, the inventor finds that the steel web is easy to incline when the steel web and the flange plate are welded and positioned, the inclination angle is increased through the welding, and when the steel beam bears load, the inclined steel web is subjected to stress deflection, so that the bearing capacity of the steel beam is reduced.
Disclosure of Invention
In order to maintain the bearing capacity of the processed steel girder, the application provides a manufacturing and welding process of a novel corrugated web steel girder structure.
The application provides a manufacturing and welding process of a novel corrugated web steel girder structure, which adopts the following technical scheme:
a manufacturing and welding process of a novel wave web steel girder structure comprises the following steps:
s1, preparing welding, cleaning the welding positions of all the parts to ensure the welding quality,
s2, welding is carried out,
s2.1, positioning welding, namely correcting the verticality of each part of the steel beam to perform spot welding fixation, wherein symmetrical positioning welding is adopted during the spot welding fixation;
s2.2, performing formal welding, namely performing symmetrical full welding on the steel beam, and adopting segment welding, jump welding or combination welding of the segment welding and the jump welding to reduce welding deformation and welding deflection;
s3, cleaning the welded seam, performing corrosion prevention, and then brushing paint for corrosion prevention.
By adopting the technical scheme, when the steel beam is welded, firstly, rust and paint removal treatment is carried out on the positions to be welded of all parts of the steel beam, then, the steel beam is welded in a positioning mode according to the design size and angle, perpendicularity is monitored at any time, the deviation of the positions of all the parts is reduced by a symmetrical spot welding mode, then, formal welding is carried out, and when the formal welding is carried out, symmetrical full welding or welding, skip welding or even welding combining section welding and skip welding is adopted, so that welding deformation is reduced, when hard force is released, the position deviation of the parts is reduced, and painting and corrosion prevention treatment is carried out after the welding is finished; through the monitoring of straightness that hangs down, the welding is fixed-position, the skew of each part position can be reduced for the position of part is in the design standard, makes each part when the heavy burden, and each part balanced atress, and then makes the bearing capacity of girder steel keep.
Optionally, in step S2, the corrugated web steel beam includes two flange plates, a first corrugated web and a second corrugated web, where two flange plates are arranged in parallel, two sets of the first corrugated web and two sets of the second corrugated web are arranged between the two flange plates, and the first corrugated web and the second corrugated web are respectively connected with the two flange plates in a welding manner.
Through adopting above-mentioned technical scheme, weld first wave form web after on the flange board, then install welding second wave form web to carry out the welding of another flange board, accomplish through the welding of above-mentioned several operation steps, make the girder steel form a frame shape and support, through the setting of a plurality of first wave form webs and second wave form web, strengthened the bearing capacity of girder steel, further messenger's distribution of force is more reasonable, and can reach best bearing effect.
Optionally, the first corrugated web and the second corrugated web of each group are symmetrically arranged and form a reinforcing space of the casting concrete.
Through adopting above-mentioned technical scheme, adjacent first wave form web and second wave form web form the reinforcement space, can carry out the operation of pouring concrete after the bridge concatenation is accomplished, set up that first wave form web and second wave form web can share the atress each other, simultaneously through the operation of concrete pouring for support more firm between first wave form web and the second wave form web, and then make can carry out the transmission of power between the two, make the bearing capacity of girder steel more powerful, improve the bearing capacity.
Optionally, be provided with positioning mechanism on the flange board, positioning mechanism includes locating piece and inserted block, be provided with four locating pieces on the flange board, set up the location slot on the locating piece, first wave web with all be provided with on the second wave web the inserted block, the inserted block is pegged graft in the location slot.
Through adopting above-mentioned technical scheme, when carrying out the welding, can peg graft the inserted block on the first wave form web in the positioning slot at first, then carry out spot welding fixedly, then weld, repeat the welding of second wave form web that above-mentioned step carries out, positioning slot and the inserted block of setting for the installation of first wave form web and second wave form web is more simple and convenient swift, makes first wave form web and second wave form web more approach the design demand simultaneously, has reduced the time of adjustment, makes the dispersion of the power of girder steel more reasonable, and then makes the bearing capacity of girder steel keep.
Optionally, a stabilizing mechanism is disposed between the first corrugated web and the second corrugated web in each group, the stabilizing mechanism includes a stabilizing plate, a plurality of stabilizing plates are disposed on the first corrugated web, and a side of the stabilizing plate away from the first corrugated web is abutted to the second corrugated web.
Through adopting above-mentioned technical scheme, after the welding of first wave form web is accomplished, carry out the location installation of second wave form web, the firm board butt on second wave form web and the first wave form web, then carry out welded fastening, the firm board of setting can reduce the distance between second wave form web and the first wave form web too near on the one hand, on the other hand, the assistance-localization real-time of second wave form web of being convenient for the welding of location of second wave form web is more convenient, simultaneously the transmission power that can be better, the power between the two can be shared, reduce single cracked condition appearance.
Optionally, a plurality of slurry overflow holes are formed on the stabilizing plate.
Through adopting above-mentioned technical scheme, when carrying out concrete placement, the pulp overflow hole can make concrete and first wave form web and the abundant contact of second wave form web, and then makes the more closely knit of packing between the two.
Optionally, the hole of wearing to establish has been seted up on the firm board, firm mechanism still includes two-way screw rod and tensioning nut, two-way screw rod passes wear to establish the hole, two ends of two-way screw rod threaded connection respectively have the tensioning nut, two tensioning nut respectively with first wave form web and second wave form web butt.
Through adopting above-mentioned technical scheme, after first wave form web and second wave form web welding is accomplished or before the welding, can pass the hole of wearing to establish with two-way screw rod, then rotate the tensioning nut at two ends of two-way screw rod, then rotatory tensioning nut for the tensioning nut drives first wave form web and second wave form web and is close to each other, and cooperates with the firm board, makes the deformation that reduces first wave form web and second wave form web.
Optionally, a rotation groove is formed in the tensioning nut, the stabilizing mechanism further comprises a stop block, the first corrugated web and the second corrugated web are both provided with the stop block, and the stop block is used for limiting the tensioning nut to rotate.
Through adopting above-mentioned technical scheme, pass the hole of wearing to establish with two-way screw rod after, with take-up nut threaded connection on two-way screw rod, then peg graft with electric spanner or manual spanner and rotation groove, then drive two-way screw rod and rotate, two-way screw rod rotate for two take-up nuts are close to each other, and the stop block is spacing to take-up nut, reduces at two-way screw rod pivoted in-process, drives take-up nut rotation, and then makes the fastening of first wave form web and second wave form web more simple and convenient.
Optionally, the stabilizing mechanism further comprises a limiting block, two limiting blocks are rotationally connected to the bidirectional screw rod, the limiting block is connected with the tensioning nut in a sliding mode, and the two limiting blocks are respectively abutted to the side walls of the first corrugated web and the second corrugated web, which are close to each other.
Through the technical scheme, after the bidirectional screw rod passes through the penetrating hole, the tension nut is connected to the bidirectional screw rod in a threaded manner, then an electric wrench or a manual wrench is used for being inserted into the rotating groove, and then the bidirectional screw rod is driven to rotate, so that the two tension nuts are close to each other, meanwhile, the limiting block is abutted against the inner walls of the first corrugated web plate and the second corrugated web plate, which are close to each other, and limiting is carried out, and the deformation of the first corrugated web plate and the second corrugated web plate is driven in the screwing process of the tension nuts; setting up the stopper has reduced that first wave form web and second wave form web are too close to.
Optionally, in the welding in step S2, a welding mechanism is used for welding, where the welding mechanism includes a rolling trolley, a welding gun, a magnetic attraction wheel, a suspension frame, a suspension wheel and a connection assembly, four magnetic attraction wheels are arranged on the rolling trolley, a motor is built in the magnetic attraction wheel and is attracted to the first wave web or the second wave web and rolls relatively, and the welding gun is arranged on the rolling trolley and is used for welding a welding seam; the suspension frame is arranged on the first corrugated web through the connecting component, and the suspension wheel rolls along the suspension frame.
Through adopting above-mentioned technical scheme, after first wave form web welding is accomplished, when carrying out the welding of second wave form web, the welding seam that the second wave form web is close to first wave form web is not good to be welded, pass through coupling assembling with the suspension frame and connect on first wave form web and second wave form web, then adsorb the magnetism of rolling trolley and inhale the wheel on first wave form web, then hang the wheel that will hang on the suspension frame and make the wheel that hangs can roll along the suspension frame, then start rolling trolley and welder, weld the seam, outside simultaneous welding simultaneously, and the welding speed is always with the speed of marcing of rolling trolley, make both sides welding synchronization, further strengthen the welding quality of second wave form web, further strengthened the bearing capacity of girder steel.
In summary, the application has the following beneficial technical effects:
1. when the steel beam is welded, firstly, rust and paint removal treatment is carried out on the positions to be welded of all parts of the steel beam, then the parts are subjected to positioning welding according to the design size and angle, perpendicularity is monitored at any time, the deviation of the positions of all the parts is reduced in a symmetrical spot welding mode, then formal welding is carried out, during the formal welding, symmetrical full welding or welding, skip welding or even welding combining section welding and skip welding is adopted, welding deformation is reduced, and when the hard force is released, the position deviation of the parts is reduced, and painting and corrosion prevention treatment is carried out after the welding is finished; through the monitoring of the perpendicularity, the positioning welding can reduce the deviation of the positions of all the components, so that the positions of the components are within the design standard, all the components are balanced in stress when being loaded, and the bearing capacity of the steel beam is further maintained;
2. after the welding of the first waveform web plate is finished, the second waveform web plate is positioned and installed, the second waveform web plate is abutted with a stabilizing plate on the first waveform web plate, then welding and fixing are carried out, the set stabilizing plate can reduce the too short distance between the second waveform web plate and the first waveform web plate on the one hand, on the other hand, the auxiliary positioning of the second waveform web plate is facilitated, so that the positioning and welding of the second waveform web plate are more convenient, and meanwhile, the force can be transferred better, the force between the second waveform web plate and the first waveform web plate can be shared, and the occurrence of single fracture is reduced;
3. when the welding of the first corrugated web is finished, the welding seam is welded at the outer side, the welding speed is always equal to the advancing speed of the rolling trolley, so that the welding quality of the second corrugated web is further enhanced, and the bearing capacity of the steel beam is further enhanced.
Drawings
FIG. 1 is a block flow diagram of a process for manufacturing and welding a novel corrugated web steel girder structure in an embodiment of the present application;
FIG. 2 is a schematic structural view of a novel corrugated web steel girder structure according to an embodiment of the present application;
FIG. 3 is a front view of a steel beam structure according to an embodiment of the present application;
FIG. 4 is a schematic view of a stabilizing mechanism according to an embodiment of the present application;
FIG. 5 is a schematic view of the position of the through hole in the embodiment of the present application;
FIG. 6 is a schematic representation of an arcuate slot in an embodiment of the application;
FIG. 7 is a schematic view of the mounting position of a welding mechanism according to an embodiment of the present application;
fig. 8 is a schematic structural view of a welding mechanism according to an embodiment of the present application.
Reference numerals: 100. flange plates; 200. a first corrugated web; 210. penetrating holes; 300. a second corrugated web; 400. a positioning mechanism; 410. a positioning block; 411. positioning the slot; 420. inserting blocks; 500. a stabilizing mechanism; 510. a stabilizing plate; 511. a pulp overflow hole; 520. a bidirectional screw; 521. a rotating groove; 530. tensioning the nut; 540. a stopper; 550. a limiting block; 551. an arc-shaped groove; 560. a synchronizing lever; 570. a limit rod; 580. a limit support ring; 600. a welding mechanism; 610. a rolling trolley; 620. a welding gun; 630. a magnetic attraction wheel; 640. a suspension bracket; 650. a suspension wheel; 660. a connection assembly; 661. a connecting screw; 662. a first fixed block; 663. and a second fixed block.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a manufacturing and welding process of a novel corrugated web steel girder structure.
Referring to fig. 1, the manufacturing and welding process of the novel corrugated web steel girder structure comprises the following steps:
s1, preparing for welding, namely performing paint removal, rust removal and cleaning on welding positions of all parts of a steel beam so as to ensure welding quality and reduce generation of bubbles and slag inclusion during welding;
s2, welding is carried out,
s2.1, positioning welding, namely correcting the verticality of each component of the corrugated web steel girder to perform spot welding fixation, wherein symmetrical positioning welding is adopted during the spot welding fixation, so that the inclination of the component caused by single-side welding is reduced;
s2.2, performing formal welding, namely performing symmetrical full welding on the corrugated web steel girder by using welding equipment, and adopting section welding, jump welding or combination welding of the section welding and the jump welding to reduce welding deformation and welding offset, and symmetrically pulling through the section welding and the jump welding and simultaneously reducing overheat hard force release deformation;
s3, cleaning seams for corrosion prevention, namely cleaning the coating at the seams after welding, polishing by using a steel wire brush, and then brushing for corrosion prevention.
Referring to fig. 2, the steel girder in step S1 includes two flange plates 100, two first wave webs 200 welded between the two flange plates 100, and two second wave webs 300 welded between the two flange plates 100, the two first wave webs 200 correspond to the two second wave webs 300, respectively, and the connected first wave webs 200 and second wave webs 300 form a reinforcing space for casting concrete; in the actual use process of the steel beam, the reinforced connection of concrete pouring can be carried out.
Referring to fig. 2 and 3, a positioning mechanism 400 is provided on the flange plate 100, the positioning mechanism 400 includes positioning blocks 410, each flange plate 100 is fixedly connected with four positioning blocks 410, the installation positions of the four positioning blocks 410 are determined according to design requirements, and the positions of the positioning blocks 410 are the installation positions of the first corrugated web 200 and the second corrugated web 300; the side wall of the positioning block 410, which is far away from the flange plate 100, is provided with a positioning slot 411, each of the first corrugated web 200 and the second corrugated web 300 is fixedly connected with a positioning insert block 420, the positioning insert blocks 420 are inserted into the positioning slot 411, then spot welding is performed for fixing, and finally welding is performed.
Referring to fig. 3 and 4, in order to facilitate the connection between the components of the steel girder to be stable and reduce the positional deviation, a stabilizing mechanism 500 is provided on the first wave web 200, and the stabilizing mechanism 500 includes a plurality of stabilizing plates 510 welded and fixed on the first wave web 200, and the stabilizing plates 510 are abutted against the second wave web 300 and serve to define the distance between the first wave web 200 and the first wave web 200; in order to facilitate filling the reinforcement space with poured concrete during the actual bridge construction process, the stabilizing plate 510 is provided with a plurality of grout holes 511 for facilitating the flow of concrete.
Referring to fig. 5 and 6, the first and second corrugated webs 200 and 300 are provided with penetrating holes 210, the penetrating holes 210 are formed along the width direction of the first corrugated web 200, the first and second corrugated webs 200 and 300, which are close to each other, are provided with bidirectional screws 520, one end of each bidirectional screw 520 sequentially penetrates through the penetrating holes 210 and 210 of the first and second corrugated webs 200 and 300, two ends of each bidirectional screw 520 are respectively in threaded connection with a tension nut 530, and the tension nuts 530 are elongated nuts and can penetrate through the penetrating holes 210; a plurality of stop blocks 540 are fixedly connected to the side walls of the first corrugated web 200 and the second corrugated web 300, which are far away from each other, wherein each two stop blocks 540 are in a group and correspond to the tensioning nuts 530 respectively, the tensioning nuts 530 can rotate until two ends of each tensioning nut are respectively abutted against the two stop blocks 540, and the tensioning nuts 530 are driven to rotate when the bidirectional screw 520 is rotated; in order to facilitate the rotation of the bi-directional screw 520, two ends of the bi-directional screw 520 are fixedly connected with a rotating block or provided with a rotating groove 521, the rotating groove 521 is preferred in this embodiment, and the vertical section of the rotating groove 521 is hexagonal.
Referring to fig. 5 and 6, a limiting block 550 is rotatably connected to the bidirectional screw 520, the size and shape of the limiting block 550 are the same as those of the tightening nut 530, two limiting support rings 580 are fixedly connected to the bidirectional screw 520, the two limiting support rings 580 respectively correspond to the two limiting blocks 550 and are positioned on one side, close to each other, of the two limiting blocks 550, and the limiting block 550 is abutted against the limiting support rings 580; the tensioning nut 530 and the limiting block 550 at one end clamp the first corrugated web 200, and the tensioning nut 530 and the limiting block 550 at the other end clamp the second corrugated web 300; two synchronizing bars 560 are fixedly connected to the side wall of the tensioning nut 530, which is close to the limiting block 550, two arc-shaped grooves 551 are formed in the limiting block 550 and are formed along the axis of the bidirectional screw 520, the synchronizing bars 560 are connected in the rotating groove 521 in a sliding mode, one end of each synchronizing bar 560, which is far away from the tensioning nut 530, is fixedly connected with a limiting bar 570, the limiting bar 570 is located on one side, which is far away from the tensioning nut 530, of each limiting block 550 and can be abutted against the limiting block 550, and the limiting bars 570 and the limiting blocks 550 are arranged, so that the limiting blocks 550 are driven to rotate all the time in the rotating process of the bidirectional screw 520, and the clamping effect of the limiting blocks 550 and the tensioning nuts 530 on the first waveform web 200 or the second waveform web 300 can be maintained.
Referring to fig. 7 and 8, in step S2, the welding apparatus includes a welding mechanism 600, where the welding mechanism 600 includes a rolling trolley 610, four magnetic attraction wheels 630 are rotatably connected to the rolling trolley 610, and a motor built in the magnetic attraction wheels 630 can roll by itself, and the magnetic attraction wheels 630 can be adsorbed on and slide along the first corrugated web 200 or the second corrugated web 300; the rolling trolley 610 is rotatably connected with a welding gun 620, and the angle of the welding gun 620 can be adjusted and faces to a welding line; when the first corrugated web 200 and the second corrugated web 300 are both fixed on the flange plate 100, the internal weld is inconvenient to weld, the rolling trolley 610 can be adsorbed on the first corrugated web 200, and then the magnetic attraction wheel 630 is started to drive the welding gun 620 to weld the weld.
Referring to fig. 7 and 8, in other embodiments, a connection assembly 660 may be disposed on the first corrugated web 200 and the second corrugated web 300, the connection assembly 660 includes a connection screw 661, both ends of the connection screw 661 are threaded with a first fixing block 662, and the first fixing blocks 662 at both ends of the connection screw 661 are respectively abutted against side walls of the first corrugated web 200 and the second corrugated web 300 facing away from each other; two ends of the connecting screw 661 are also connected with second fixing blocks 663 in a threaded manner, the two second fixing blocks 663 are positioned between the first corrugated web 200 and the second corrugated web 300, and side walls of the two second fixing blocks 663, which deviate from each other, are respectively abutted with side walls of the first corrugated web 200 and the second corrugated web 300, which are close to each other; the connecting screw 661 is provided with scales, one end of the second fixed block 663, which is far away from the first fixed block 662, is provided with a plane which can be parallel to the scale marks, and the deformation probability in the welding process is reduced by measuring the distance between the fixed end first corrugated web 200 and the second corrugated web 300 and limiting the upper distance; the connecting screw 661 is fixedly connected with a plurality of hanging frames 640, the hanging frames 640 are provided with sliding rails, the shapes of the sliding rails are similar to those of the first corrugated web 200, the rolling trolley 610 is rotatably connected with hanging wheels 650 through mounting rods, the hanging wheels 650 are in rolling connection with the sliding rails of the hanging frames 640, and the hanging wheels 650 slide along the sliding rails of the hanging frames 640 when the rolling trolley 610 slides.
The implementation principle of the manufacturing and welding process of the novel corrugated web steel girder structure provided by the embodiment of the application is as follows: firstly, preparing before welding, performing paint removal and rust removal treatment on positions to be welded of the flange plate 100, the first corrugated web 200 and the second corrugated web 300, firstly splicing the first corrugated web 200 in the positioning slot 411 according to design requirements, then performing spot welding fixation, simultaneously welding two sides, welding by adopting a mode of section welding, skip welding or combination of the section welding and the skip welding, splicing the inserting blocks 420 of the second corrugated web 300 in the adjacent positioning slot 411, penetrating the bidirectional screw 520 through the penetrating holes 210, rotating the bidirectional screw 520 to enable the limiting block 550 and the tightening nut 530 to be arranged in a staggered mode with the penetrating holes 210, continuously rotating the tightening nut 530 to enable the tightening nut 530 to be abutted against the stopping block 540, continuously screwing the bidirectional screw 520 to enable the two groups of limiting blocks 550 and the tightening nut 530 to be abutted against the first corrugated web 200 and the second corrugated web 300 respectively, and then performing spot welding fixation.
Overlapping a connecting screw 661 above the first corrugated web 200 and the second corrugated web 300, measuring the distance between the first corrugated web 200 and the second corrugated web 300 at the welding end, rotating the second fixing blocks 663 to enable the side walls of the two second fixing blocks 663 far away from each other to abut against the first corrugated web 200 and the second corrugated web 300, rotating the first fixing blocks 662 to fix the position of the suspension bracket 640, overlapping a sliding wheel on the rolling trolley 610 on a sliding rail of the suspension bracket 640, starting the welding gun 620 and the magnetic attraction wheel 630, and welding the welding seam by the welding gun 620; after the welding is completed, another flange plate 100 is welded to the first corrugated web 200 and the second corrugated web 300.
After the welding is finished, firstly cleaning the coating at the welding seam, then polishing by using a steel wire brush, and then brushing paint for corrosion prevention.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The manufacturing and welding process of the novel corrugated web steel girder structure is characterized by comprising the following steps of:
s1, preparing for welding, cleaning welding positions of all parts of the steel beam to ensure welding quality,
s2, welding is carried out,
s2.1, positioning welding, namely correcting the verticality of each part of the steel beam to perform spot welding fixation, wherein symmetrical positioning welding is adopted during the spot welding fixation;
s2.2, performing formal welding, namely performing symmetrical full welding on the steel beam, and adopting segment welding, jump welding or combination welding of the segment welding and the jump welding to reduce welding deformation and welding deflection;
s3, cleaning the welded seam, performing corrosion prevention, and then brushing paint for corrosion prevention.
2. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 1, wherein in the step S2, the steel girder comprises two flange plates (100), a first corrugated web (200) and a second corrugated web (300), two flange plates (100) are arranged in parallel, two groups of the first corrugated web (200) and two groups of the second corrugated web (300) are arranged between the two flange plates (100), and the first corrugated web (200) and the second corrugated web (300) are respectively connected with the two flange plates (100) in a welding mode.
3. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 2, wherein the first corrugated web (200) and the second corrugated web (300) of each group are symmetrically disposed and form a reinforced space of the casting concrete.
4. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 2, wherein a positioning mechanism (400) is arranged on the flange plate (100), the positioning mechanism (400) comprises positioning blocks (410) and inserting blocks (420), four positioning blocks (410) are arranged on the flange plate (100), positioning slots (411) are formed in the positioning blocks (410), and the inserting blocks (420) are arranged on the first corrugated web (200) and the second corrugated web (300) respectively, and the inserting blocks (420) are inserted into the positioning slots (411).
5. A manufacturing and welding process for a novel corrugated web steel girder structure according to claim 3, wherein a stabilizing mechanism (500) is arranged between the first corrugated web (200) and the second corrugated web (300) of each group, the stabilizing mechanism (500) comprises a stabilizing plate (510), a plurality of stabilizing plates (510) are arranged on the first corrugated web (200), and one side, away from the first corrugated web (200), of the stabilizing plate (510) is abutted against the second corrugated web (300).
6. The welding process for manufacturing a novel corrugated web steel girder structure according to claim 5, wherein a plurality of grout overflow holes (511) are formed in the stabilizing plate (510).
7. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 5, wherein penetrating holes (210) are formed in the first corrugated web (200) and the second corrugated web (300), the stabilizing mechanism (500) further comprises a bidirectional screw (520) and a tensioning nut (530), and two ends of the bidirectional screw (520) sequentially penetrate through the penetrating holes (210) of the first corrugated web (200) and the penetrating holes (210) of the second corrugated web (300); both ends of the bidirectional screw rod (520) are in threaded connection with the tensioning nuts (530), and the two tensioning nuts (530) are respectively abutted with the first corrugated web plate (200) and the second corrugated web plate (300).
8. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 7, wherein a rotation groove (521) is formed in the tightening nut (530), the stabilizing mechanism (500) further comprises a stop block (540), the stop blocks (540) are respectively arranged on the first corrugated web (200) and the second corrugated web (300), and the stop block (540) is used for limiting the tightening nut (530) to rotate.
9. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 8, wherein the stabilizing mechanism (500) further comprises a limiting block (550), two limiting blocks (550) are rotatably connected to the bidirectional screw (520), the limiting blocks (550) are slidably connected to the tensioning nuts (530), and the two limiting blocks (550) are respectively abutted to side walls, close to each other, of the first corrugated web (200) and the second corrugated web (300).
10. The manufacturing and welding process of the novel corrugated web steel girder structure according to claim 2, wherein in the step S2, a welding mechanism (600) is adopted for welding, the welding mechanism (600) comprises a rolling trolley (610), a welding gun (620), a magnetic attraction wheel (630), a suspension bracket (640), a suspension wheel (650) and a connecting component (660), four magnetic attraction wheels (630) are arranged on the rolling trolley (610), a motor is arranged in the magnetic attraction wheel (630) and is adsorbed to the first corrugated web (200) or the second corrugated web (300) and rolls relatively, and the welding gun (620) is arranged on the rolling trolley (610) for welding a welding seam; the suspension frame (640) is arranged on the first corrugated web (200) through the connecting component (660), and the suspension wheel (650) rolls along the suspension frame (640).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117817203A (en) * | 2024-01-30 | 2024-04-05 | 山东和成建设有限公司 | Welding device and welding method for building steel structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117817203A (en) * | 2024-01-30 | 2024-04-05 | 山东和成建设有限公司 | Welding device and welding method for building steel structure |
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