CN218311378U - Welding equipment - Google Patents

Abstract

The utility model discloses a welding equipment is applied to the welding of super large box girder, welding equipment includes: a conveying device for conveying the box beam; at least part of the welding gantry is arranged above the conveying device, and a welding assembly is arranged in the welding gantry and used for welding the box-shaped beam; a turning device for turning the box beam and capable of conveying the box beam into the conveying device. The utility model discloses a welding equipment can weld the great box roof beam of cross-sectional dimension, can avoid the box roof beam welding in-process manual work to overturn the work piece.

Description

Welding equipment

Technical Field

The utility model relates to a super large box roof beam welding technology field especially relates to a welding equipment.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The box-type beam is widely used in industries such as large-scale buildings, water conservancy bridges, metallurgical industry and the like at present, the box-type beam is usually processed in a welding mode, but for the large-scale box-type beam or the ultra-large-scale box-type beam, common welding equipment and welding process can not meet the processing requirements far away, the reason is that the welding process of an ultra-large component needs a transmission process and an overturning process, and because the volume of the ultra-large box-type beam is larger, the welding process is more complex, and the quality requirement is higher, the mature welding equipment is still unavailable for the welding of the ultra-large component, particularly the ultra-large box-type beam.

In the prior art, manual welding is still mainly used for welding a large box beam, wherein a submerged arc welding process usually adopts hoisting equipment to turn over the box beam for multiple times so as to adjust the corresponding welding position of the box beam. In addition, welding equipment in the prior art is mainly used for welding small and medium-sized box beams.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a welding equipment can solve large-scale box girder effectively and need the manual work to carry out the welded problem.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model discloses a first aspect provides a welding equipment, welding equipment is used for welding the box roof beam, welding equipment includes: a conveying device for conveying the box beam; at least part of the welding gantry is arranged above the conveying device, and a welding assembly is arranged in the welding gantry and used for welding the box-shaped beam; a turning device for turning the box beam and capable of transporting the box beam into the transport device.

The utility model discloses a welding equipment belongs to super large component welding special plane, is a professional equipment that can replace manual welding super large box girder component, adopts the utility model provides a welding equipment can accomplish simultaneously that gas shield welds processes such as the transmission of welding, submerged arc welding, super large box girder, the upset of super large box girder. The utility model discloses an among the welding equipment, welding longmen bears the weight of the welding subassembly, welds the welding seam of super large box girder, because the welding part who specially belongs to super large box girder can specifically arrange according to welding process's difference, for example can arrange different welding subassemblies according to arranging of different welding methods, can also arrange different welding subassemblies according to multilayer multichannel welded concrete requirement.

The utility model discloses a turning device among welding equipment can overturn to super large box girder, has satisfied different welding process requirements, has also saved the cost of labor simultaneously.

In addition, according to the utility model discloses a welding equipment still can have following additional technical characterstic:

in some embodiments of the welding apparatus of the present invention, the welding gantry and the turnover device are both provided with a track assembly, wherein the track assembly includes a first track and a first follower, and driving the first follower enables the welding gantry or the turnover device to follow the first track movement.

In some embodiments of the welding apparatus of the present invention, the welding gantry comprises a frame structure, wherein a working platform is provided in the frame structure, wherein the working platform comprises a second track and a second follower, which are transversely provided.

In some embodiments of the welding apparatus of the present invention, the welding assembly comprises: the transverse sliding plate is connected with the lifting column through a first sliding block, and the lifting column ascends or descends along the first sliding block, wherein the transverse sliding plate is provided with a first driving piece which drives the second driven piece, so that the transverse sliding plate and the lifting column move transversely along the second track together; the rotating shaft is connected with the lifting column, is connected with a gas shield welding gun or a submerged arc welding gun of the welding assembly and can drive the gas shield welding gun or the submerged arc welding gun to rotate; and the first driving device is respectively connected with the transverse moving sliding plate, the rotating shaft and the first driving piece.

In some embodiments of the welding apparatus of the present invention, the welding assembly further comprises an adjusting device disposed on the lifting column, the adjusting device is connected to the submerged arc welding gun of the welding assembly and is capable of adjusting a welding angle of the submerged arc welding gun; the adjusting device is also provided with a discharging nozzle and a receiving nozzle.

The utility model discloses an in some embodiments of welding equipment, the welding assembly still includes the laser tracker, the laser tracker is connected with PLC, is used for confirming gas shield welding welder or submerged arc welding welder's movement track.

In some embodiments of the welding apparatus of the present invention, the welding gantry further comprises: the walking frame is respectively connected with the frame structure and the track assembly, and a first walking wheel is arranged on the walking frame; the second driving piece is arranged in the walking frame, and the second driving piece and the walking frame can be horizontally and rotatably connected; the second driving part drives the first driven part, so that the first travelling wheel drives the welding gantry to move along the first track in the track assembly together.

In some embodiments of the welding apparatus of the present invention, the turnover device comprises: the box type beam turnover mechanism comprises a turnover arm and a second driving device, wherein a plurality of first rollers which are arranged in parallel are arranged on the turnover arm, the first rollers are used for bearing the box type beam, and the second driving device drives the first rollers to rotate so as to drive the box type beam to move on the first rollers; the bearing frame is connected with the turnover arm through a turnover shaft, the turnover arm can rotate around the turnover shaft, the bearing frame is connected with the track assembly, and a second travelling wheel is arranged on the bearing frame; and the third driving part drives the first driven part, so that the second traveling wheel drives the turnover device to move along the first track of the track component together.

In some embodiments of the welding apparatus of the present invention, the rail assembly further comprises a bottom plate and a pressure plate, the pressure plate fixing the first rail to the bottom plate.

In some embodiments of the welding apparatus of the present invention, the rail assembly further comprises an adjusting structure for adjusting a transverse position of the first rail in the bottom plate.

In some embodiments of the welding apparatus of the present invention, the conveying device comprises: the second rollers are arranged in parallel and used for bearing the box-shaped beam; and the third driving device drives the second roller to rotate so as to drive the box-shaped beam to move on the second roller.

Drawings

Fig. 1 schematically shows a three-dimensional structure diagram of a welding gantry of the welding device of the present invention;

fig. 2 schematically shows a side view of a welding gantry of the welding apparatus of the present invention;

fig. 3 schematically shows a top view of a welding gantry of the welding apparatus of the present invention;

fig. 4 schematically shows a perspective view of a rail assembly of the welding apparatus of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 schematically shows a three-dimensional structure diagram of the turnover device of the welding equipment of the present invention;

FIG. 7 schematically illustrates a perspective view of one embodiment of a welding assembly of the welding apparatus of the present invention;

FIG. 8a schematically illustrates a front view of one embodiment of a welding assembly of the welding apparatus of the present invention;

FIG. 8b schematically illustrates a side view of one embodiment of a welding assembly of the welding apparatus of the present invention;

fig. 9a schematically illustrates a front view of another embodiment of a welding assembly of the welding apparatus of the present invention;

FIG. 9b schematically illustrates a perspective view of another embodiment of a welding assembly of the welding apparatus of the present invention;

fig. 10 schematically shows a perspective view of a conveying device of the welding apparatus according to the present invention.

Fig. 11 schematically shows a structural view of the welding apparatus of the present invention.

The reference numbers are as follows:

100 a welding device;

110 a conveying device; 111 first/second drum; 112 a third drive means; 113 box beam

Welding the gantry at 120; 121 a frame structure; 122 a working platform; 123 a second track; 124 a second follower; 125 a walking frame; 1251 a first road wheel; 126 a second drive member;

130 welding the assembly; 131 transversely moving the sliding plate; 132 a first slider; 133 lifting the column; 134 a first drive member; 135 rotating shaft; 136 a first drive means; 137 regulating means; 1371 a discharge nozzle; 1372 a receiving nozzle; 138 laser tracker;

140 a turning device; 141 turning over the arm; 142 a second drive device; 143 a carrier; 144 a flip axis; 145 driving cylinders; 146 a second road wheel; 147 a third drive member;

150 a track assembly; 151 a first track; 152 a first follower; 153 a base plate; 154 pressing the plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience in description, the relationship of one element or feature to another element or feature as illustrated in the figures may be described herein using spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "over", and the like. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 schematically shows a three-dimensional structure diagram of a welding gantry of a welding device of the present invention, as shown in fig. 1, the welding gantry 120 of the welding device of the present invention includes a frame structure 121 and a working platform 122, a welding assembly can be arranged in the welding gantry 120, wherein different welding modes can be arranged in the working platform according to different welding processes.

In an embodiment of the present invention, as shown in fig. 1 to fig. 3, second tracks 123 may be disposed on two sides of the working platform 122 for connecting the welding assembly; the second driven member 124 can be disposed on two sides of the working platform 122 to cooperate with the welding assembly, wherein fig. 2 schematically shows a side view of the welding gantry of the welding device, and fig. 3 schematically shows a top view of the welding gantry of the welding device.

In an embodiment of the utility model, when the welding mode is gas shielded welding or submerged arc welding, a drag chain groove, a welding wire disc, a gas shielded welding power supply, a submerged arc welding power supply, a water tank, a welding wire barrel, a welding flux recycling machine and a welding machine feeder can be arranged in the working platform according to specific requirements; auxiliary tools such as fences and ladders can also be arranged in the working platform 122.

The utility model discloses an in the embodiment, the welding subassembly specifically includes gas shield welding subassembly and submerged arc welding subassembly, and wherein, the gas shield welding subassembly can set up a plurality of gas shield welding welder, and the submerged arc welding can set up a plurality of submerged arc welding welder, sets up gas shield welding subassembly and submerged arc welding subassembly simultaneously in the welding longmen, to the welding process of the multilayer multichannel welding seam of super large box girder, can weld simultaneously, has saved weld time, has improved welding efficiency.

The utility model discloses an in the embodiment, can set up gas shield welding subassembly and submerged arc welding subassembly respectively in the both sides of the work platform of welding longmen, carry out gas shield welding to the box roof beam in one side of work platform, can carry out submerged arc welding to the box roof beam at work platform's opposite side.

The utility model discloses an in the embodiment, can set up two or more welding longmen in welding equipment, set up conveyor between the welding longmen, wherein, after the corresponding welding process of box roof beam was accomplished to one side at a welding longmen, carried one side to another welding longmen with the box roof beam by carrying the piece, continued the welding to the box roof beam according to the technological requirement.

The welding subassembly of arranging in welding equipment's welding longmen 120 should be in the welding longmen by the welding subassembly drive welder accomplish lateral shifting, longitudinal movement to and actions such as rotation, in order to satisfy different welding process requirements the utility model discloses in, following specific implementation has been given.

In an embodiment of the present invention, as shown in fig. 7 to 9, the welding assembly 130 includes: a traverse slide plate 131, the traverse slide plate 131 being connected to a lifting column 133 through a first slider 132, the lifting column 133 being raised or lowered along the first slider 132, wherein a first driving member 134 is provided in the traverse slide plate 131, the first driving member 134 driving the second follower 124 to move the traverse slide plate 131 laterally along the second rail 123; the rotating shaft 135, the rotating shaft 135 couples to lifting column 133, the rotating shaft 135 couples to welding torch 139 and can drive the welding torch 139 to rotate; the first driving device 136, the first driving device 136 is connected to the traverse sliding plate 131, the rotating shaft 135, and the first driving member 134, respectively.

The utility model discloses an in the embodiment, arrange the gas shield at welding subassembly 130 and weld to welding of extra-large-size box girder to the gas shield welding mode, wherein, fig. 7 schematically shows the utility model discloses a three-dimensional structure chart of an embodiment of welding equipment's welding subassembly, as shown in fig. 7, in the both sides of the work platform at welding equipment's welding longmen, set up welding subassembly 130 respectively to the lift stand of welding subassembly 130 is connected in gas shield welding welder 139, can weld many welds of box girder simultaneously, has promoted welding efficiency.

The gas shield welding process is to bottom the weld of a workpiece, a welding groove is processed in advance by the ultra-large box-type beam web and the cover plate, after the gas shield welding is performed in the welding groove, the welding groove is prevented from being burnt through by subsequent submerged arc welding, a plurality of gas shield welding guns are used for welding one weld at the same time, and the gas shield welding gun mounting frame is specially manufactured according to different welding processes (parameters such as speed, time, current, diameter of a welding wire and the like) in order to prevent arc blowby of the welding guns.

In the present embodiment, a first slider or a guide slider, a rack arranged on the first slider or the guide slider, and a lifting drive belt gear are provided on the traverse slide in the welding apparatus 130, and the lifting drive belt gear can drive the rack to make the lifting column ascend or descend relative to the traverse slide along the first slider or the guide slider, thereby realizing the movement of the welding torch in the longitudinal or vertical direction by the welding apparatus.

A first driving member or traverse driving gear is also provided on the traverse slide in the welding apparatus 130, and the first driving member or traverse driving gear drives the second driven member 124, so that the traverse slide moves laterally along the second driven member or guide slider in the working platform, thereby realizing the movement of the welding torch in the lateral or horizontal direction by the welding apparatus.

In some embodiments of the utility model, combine fig. 1, fig. 8a and fig. 8b, first slider or rail block will go up and down the stand and be connected with the sideslip slide, take gear and rack toothing installation through the lift drive, can adjust the relative position of sideslip slide and workstation as required, when having avoided a plurality of gas shield welding welder to weld the less work piece of box roof beam simultaneously, the collision between the gas shield welding welder on the stand goes up and down interferes.

The welding equipment 130 can also be provided with a wire feeder mounting frame, a wire feeder, a gas shield welding gun mounting frame, a gas shield welding gun, a rotary power source, a rotating shaft and an arc baffle, wherein one end of the gas shield welding gun mounting frame is connected with the lifting column, the other end of the gas shield welding gun mounting frame is connected with the rotating shaft, the gas shield welding gun is arranged on the rotating shaft, when the rotary power source drives the rotating shaft to rotate, the gas shield welding gun rotates along with the rotating shaft, the rotating angle and the rotating direction are selected according to the specific position of welding, and therefore the welding assembly drives the rotary motion of the gas shield welding gun.

From the utility model provides a in above-mentioned several embodiments, the field person of skill can actual need set up gas shield welding welder at the welding subassembly to gas shield welding welder can remove at vertical direction and horizontal direction, can also rotate along with the rotation axis, thereby can weld the welding seam of box girder in all directions. Wherein, fig. 8a schematically shows a front view and fig. 8b schematically shows a side view of an embodiment of a welding assembly of the welding device of the present invention.

The utility model discloses an in some embodiments, can also be provided with the screw hole on the sideslip slide, after the tight bolt in installation top, the tight lift stand in top is with fixed sideslip slide.

In some embodiments of the present invention, the gas shield welding torch is fixed on the rotating shaft, and the rotating power source drives the rotating shaft to drive the gas shield welding torch to switch different angles, so as to satisfy the angle required by the welding torch during welding; a plurality of gas shielded welding torches are arranged on a gas shielded welding torch mounting frame, each gas shielded welding torch needs to be connected with a welding wire, each welding wire needs to be connected with a wire feeder, and the welding wires are arranged in a wire welding disc on a welding gantry to form a whole.

The utility model discloses a in some embodiments, the welding subassembly can also set up the laser tracker, and the laser tracker scans work piece appearance profile and welding seam, confirms welder orbit, calculates and controls the feeding volume of lift driving band gear and sideslip driving band gear through PLC.

The utility model discloses an in the embodiment, arrange submerged arc welding on welding subassembly 130 to the submerged arc welding mode welds very large-scale box girder, combines fig. 9a and fig. 9b, installs a plurality of submerged arc welding welder on the lift stand, can weld one or many welding seams of box girder simultaneously, raises the efficiency.

The utility model discloses an in some embodiments, submerged arc welding welder fixes on the swinging boom, and one end is installed on the push rod mounting bracket, and the push rod mounting bracket promotes the otic placode of swinging boom expenditure, makes it rotatory around the rotation axis, drives submerged arc welding welder and switches different angles, the required angle of welder when satisfying the welding.

And mounting the submerged-arc welding assembly on a guide rail of the welding gantry, and mounting the submerged-arc welding assembly by meshing a transverse moving driving toothed wheel and a rack. A plurality of submerged arc welding guns are arranged on a rotating arm, each submerged arc welding gun needs to be connected with one welding wire, each welding wire needs to be provided with a wire feeder, and the welding wires are arranged in a welding wire barrel on a welding gantry to form a whole.

The utility model discloses an in some embodiments, confirm the concrete arrangement of submerged arc welding according to multilayer multichannel welding seam technology demand, and then confirm wire reel, gas shield welding power, submerged arc welding power, water tank, the quantity and the position of welding wire bucket, need explain, multilayer multichannel welding seam, divide multichannel welding again by multilayer and every layer and form butt joint, fillet joint and stopper joint welding seam, be the common form of thick plate butt weld and fillet joint welding seam, single face or two-sided V-arrangement or U-shaped breach will be opened to the butt weld.

Fig. 9a schematically shows a front view of another embodiment of the welding assembly of the welding device of the present invention, and fig. 9b schematically shows a perspective view of another embodiment of the welding assembly of the welding device of the present invention.

In the above embodiment of the present invention, the submerged arc welding assembly is different from the gas shield welding assembly in that a material discharge nozzle is installed before the submerged arc welding gun, a material receiving nozzle is installed at the end of the welding gun, the material discharge nozzle is connected to a material feeding pipe for a material barrel, a flux recycling machine is connected to the material receiving nozzle, and the recycled material is fed into the material barrel from the flux recycling machine by using the material feeding pipe; when the material agent is insufficient, the material machine is directly poured into the welding flux feeding machine, and the welding flux is fed into the material agent barrel through the welding flux feeding machine arranged at the bottom of the welding gantry.

In some embodiments of the present invention, the welding assembly 130 is provided with an adjusting device 137 on the lifting column, the adjusting device 137 is connected to the submerged arc welding gun, and can adjust the welding angle of the submerged arc welding gun, and the adjusting device is specifically arranged according to different welding processes, such as speed, time, current, and diameter of welding wire; wherein the adjusting device is also provided with a discharging nozzle and a receiving nozzle.

The utility model discloses an in some embodiments, can weld a welding seam simultaneously with a plurality of submerged arc welding welder in the submerged arc welding subassembly, for preventing that welder from scurrying the arc, can also specifically arrange swinging boom or adjusting device according to different welding processes, for example speed, time, electric current, welding wire diameter isoparametric.

In some embodiments of the present invention, a laser tracker 138 is disposed in the welding assembly 130, and the laser tracker 138 is connected to the PLC for determining the movement track of the gas shield welding torch or the submerged arc welding torch; and the laser tracking 138 scans the outline and the welding seam of the workpiece, determines the running track of the welding gun, and calculates and controls the feeding amount of the lifting driving belt gear and the transverse driving belt gear through a PLC (programmable logic controller).

In some embodiments of the present invention, the welding gantry further comprises: a walking frame 125, wherein the walking frame 125 is respectively connected with the frame structure and the track assembly, and a first walking wheel 1251 is arranged on the walking frame 125; the second driving member 126 is arranged in the walking frame 125, and the second driving member 126 is horizontally and rotatably connected with the walking frame 125; the second driving member 126 drives the first driven member, so that the first traveling wheel 1251 drives the welding gantry to move along the first track in the track assembly.

In some embodiments of the present invention, the frame structure of the welding gantry connects and fixes the working platform and the walking frame 125, the power source belt gear is used as the second driving member 126 to drive the first driven member to walk, and the power source belt gear is installed on the power source mounting frame and can flexibly rotate around the support pin shaft; and the stud, the spring and the nut are assembled in the waist hole at the other side of the power source mounting frame, the nut compresses the waist hole of the power source mounting frame, the stud is arranged on the matched welding block, and the matched welding block is welded with the walking frame in a matched manner.

Fig. 4 schematically shows a perspective structure view of a rail assembly of the welding device of the present invention, and fig. 5 is a partial enlarged view of fig. 4, and as shown in fig. 4 and fig. 5, the rail assembly 150 is composed of a bottom plate 153, a pressing plate 154, a rack 152, and a rail 151. The bottom plate 153 needs to be welded on the foundation embedded plate, so that the overall stability is ensured. The rails 151 are mounted on a base plate 153 and are pressed by a pressing plate 154.

The utility model discloses an in some embodiments, the track subassembly still is equipped with adjusting device, specifically, bores threaded hole on bottom plate 153, and the side direction adjustment track behind the mounting screw, rack and track are by the bolt fastening together, and the walking wheel is placed on the track, through adjusting the eccentric shaft, ensures guiding mechanism's direction ability. The power source is provided with a gear meshed with the rack gear, and the welding gantry moves on the gantry track when the power source is driven by the gear.

Fig. 6 schematically shows a three-dimensional structure diagram of a turnover device of a welding apparatus of the present invention, as shown in fig. 6, the turnover device includes a turnover arm 141 and a second driving device 142, the turnover arm 141 is provided with a plurality of first rollers 111 arranged in parallel, the first rollers 111 are used for bearing a box-shaped beam, the second driving device 142 drives the first rollers 111 to rotate, and then drives the box-shaped beam to move on the first rollers 111; the carrier 143 is connected with the turnover arm 141 through a turnover shaft 144, the turnover arm 141 rotates around the turnover shaft 144 under the action of a driving cylinder, the carrier 143 is connected with the track assembly, and a second road wheel 146 is arranged on the carrier 143; and the third driving member 147 drives the first driven member, so that the second traveling wheels 146 drive the turning devices 140 to move together along the first track of the track assembly.

In some embodiments of the present invention, the turning device comprises a first drum, a bearing seat, a chain wheel and chain, a transmission power source belt chain wheel, a transmission frame, a turning arm, a walking frame, an oil cylinder, a turning shaft, a bearing seat, a roller, and a walking power source belt gear; the chain wheel chain is fixedly installed with the first roller, and when the transmission power source drives the chain wheel chain to rotate, the workpiece moves forwards or backwards under the rotating force of the first roller.

In some embodiments of the utility model, the transmission frame is provided with a supporting wheel, and the cutting roller is very long due to the large load borne by the roller, and the supporting wheel supports the roller to prevent deformation; the transmission rack connects the roller and the turnover arm into a whole, and the turnover arm surrounds the turnover shaft and is pushed to rotate by the oil cylinder; the roller wheels travel on the rails and are driven by the meshing of the gear and the rack of the traveling power source; and when the turnover device drives the box-shaped beam to be separated from the transmission line, the box-shaped beam moves to a specified position on the track to complete the rotation of the box-shaped beam.

Fig. 10 schematically shows a three-dimensional structure diagram of a conveying device of the welding device of the present invention, as shown in fig. 10, the conveying device includes a plurality of second rollers 111, the second rollers 111 are arranged in parallel and used for bearing the box beam; the conveying device comprises a third driving device 112, and the third driving device 112 drives the second roller 111 to rotate, so as to drive the box beam to move on the second roller 111.

In some embodiments of the present invention, the transmission device comprises a frame, a support wheel, a bearing seat, a chain, a sprocket, a power source, and a second drum; one group of power sources simultaneously drives all the second rollers and is driven by a chain wheel and a chain, and the chain wheel is connected with a shaft hub key strip of the second rollers; because the second rollers are long and bear large load, a plurality of groups of supporting wheels are arranged below each second roller to prevent the second rollers from deforming; the bearing pedestal inner cavity is rotatable, and the second roller is connected with the rack.

Fig. 11 schematically shows the structure diagram of the welding equipment of the present invention, as shown in fig. 11, the welding equipment 100 includes a welding gantry 120 which is relatively arranged, and a rail assembly is arranged below the welding gantry, the welding gantry can move along a first rail of the rail assembly, a conveying device is arranged in the welding gantry and between the welding gantry, the conveying device can convey a box-shaped beam 113 to the welding gantry, the welding gantry can also pass through one welding gantry to convey the box-shaped beam 113 to another welding gantry, the welding assemblies 130 are arranged on two sides of a working platform 120 of the welding gantry, a turnover device 140 is further arranged on one side of the welding gantry, after the welding process is completed on one side of the box-shaped beam, the turnover device overturns the box-shaped beam, the other side of the box-shaped beam or other welding seams are welded, a rail assembly 150 is also arranged below the turnover device, and the turnover device 140 can move along the first rail in the rail assembly.

According to the utility model provides a welding equipment, wherein welding equipment uses the transmission line as the benchmark, and after the work piece team is accomplished, moves to the transmission line; starting a welding gantry to approach a workpiece; the welding gantry drives the gas shield welding to weld, and the submerged arc welding and the gas shield welding weld the workpiece at the same time; after one side of the workpiece is welded, the workpiece is transmitted to a turnover machine through a transmission line and is turned over; starting the welding gantry at the other end, and repeating the operations until the other side of the workpiece is welded; wherein, the track of the tilter in the track assembly is used as a special track of the tilter; the gantry rail in the rail assembly is used as a special rail for welding the gantry.

The invention also provides a welding method, which can be used for welding the box-shaped beam by using the welding equipment, and the welding method comprises the following steps: conveying the box beam to the position below the welding gantry; welding the box-shaped beam through a welding assembly of the welding gantry; and controlling the turnover device to turn over the box-shaped beam, and welding the box-shaped beam by adopting the welding assembly again.

In some embodiments of the invention, the welding device is provided with at least gas shield welding and submerged arc welding, and the box beam is welded simultaneously by gas shield welding and argon arc welding.

Welding one or more welding seams of the box beam simultaneously according to a plurality of gas shield welding torches and/or submerged arc welding torches in the welding assembly; and backing welding the welding line by using the gas shield welding gun.

In some embodiments of the invention, the wire spool on the work platform is fed to each wire feeder and each wire, and each submerged arc welding gun, to form a separate submerged arc welding unit.

In some embodiments of the present invention, the wire reel on the work platform, together with each of the wire feeder and each of the gas shield welding torches, are formed into a separate gas shield welding unit.

In some embodiments of the invention, a mounting bracket of a gas or submerged arc welding torch is arranged according to different welding processes, and the mounting bracket is connected to the rotating shaft or the adjusting device.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. A welding apparatus for welding box beams, the welding apparatus comprising:

a conveying device for conveying the box beam;

at least part of the welding gantry is arranged above the conveying device, and a welding assembly is arranged in the welding gantry and used for welding the box-shaped beam;

a turning device for turning the box beam and capable of transporting the box beam into the transport device.

2. Welding apparatus according to claim 1, wherein the welding gantry and the turnover device are each provided with a track assembly, wherein the track assembly comprises a first track and a first follower, and wherein driving the first follower enables the welding gantry or the turnover device to move along the first track.

3. Welding apparatus according to claim 2, wherein the welding gantry comprises a frame structure in which a working platform is arranged, wherein the working platform comprises a second track and a second follower arranged laterally.

4. The welding apparatus of claim 3, wherein the welding assembly comprises:

the transverse sliding plate is connected with the lifting column through a first sliding block, and the lifting column ascends or descends along the first sliding block, wherein the transverse sliding plate is provided with a first driving piece which drives the second driven piece, so that the transverse sliding plate and the lifting column move transversely along the second track together;

the rotating shaft is connected with the lifting column, is connected with a gas shield welding gun or a submerged arc welding gun of the welding assembly and can drive the gas shield welding gun or the submerged arc welding gun to rotate;

and the first driving device is respectively connected with the transverse moving sliding plate, the rotating shaft and the first driving piece.

5. The welding apparatus of claim 4, wherein the welding assembly further comprises an adjustment device disposed on the lifting column, the adjustment device being connected to a submerged arc welding torch of the welding assembly and being capable of adjusting a welding angle of the submerged arc welding torch; the adjusting device is also provided with a discharging nozzle and a receiving nozzle.

6. The welding apparatus of claim 5, wherein the welding assembly further comprises a laser tracker coupled to the PLC for determining a trajectory of movement of the gas or submerged arc welding torch.

7. The welding apparatus of claim 3, wherein the welding gantry further comprises:

the walking frame is respectively connected with the frame structure and the track assembly, and a first walking wheel is arranged on the walking frame;

the second driving piece is arranged in the walking frame, and the second driving piece is horizontally and rotatably connected with the walking frame;

the second driving part drives the first driven part, so that the first travelling wheel drives the welding gantry to move along the first track in the track assembly together.

8. The welding apparatus of claim 2, wherein the flipping means comprises:

the box type beam turnover mechanism comprises a turnover arm and a second driving device, wherein a plurality of first rollers which are arranged in parallel are arranged on the turnover arm, the first rollers are used for bearing the box type beam, and the second driving device drives the first rollers to rotate so as to drive the box type beam to move on the first rollers;

the bearing frame is connected with the turnover arm through a turnover shaft, the turnover arm can rotate around the turnover shaft, the bearing frame is connected with the track assembly, and a second travelling wheel is arranged on the bearing frame;

and the third driving piece drives the first driven piece, so that the second traveling wheel drives the turnover device to move along the first track of the track assembly together.

9. The welding apparatus according to claim 7 or 8, wherein the rail assembly further comprises a base plate and a pressure plate, the pressure plate securing the first rail to the base plate.

10. The welding apparatus of claim 9, further comprising an adjustment structure in the rail assembly for adjusting a lateral position of the first rail in the base plate.

11. The welding apparatus of claim 1, wherein the delivery device comprises:

the second rollers are arranged in parallel and are used for bearing the box-type beam;

and the third driving device drives the second roller to rotate so as to drive the box-shaped beam to move on the second roller.

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