CN104816071A - U-rib welding device, system and method - Google Patents
U-rib welding device, system and method Download PDFInfo
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- CN104816071A CN104816071A CN201510240133.0A CN201510240133A CN104816071A CN 104816071 A CN104816071 A CN 104816071A CN 201510240133 A CN201510240133 A CN 201510240133A CN 104816071 A CN104816071 A CN 104816071A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
- B23K9/1272—Geometry oriented, e.g. beam optical trading
- B23K9/1278—Using mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Resistance Welding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a U-rib welding device. The device comprises a mobile platform, a welding mechanism and a drive mechanism. The mobile platform can enter the inside of a to-be-welded U rib. The welding mechanism is arranged on the mobile platform to be used for welding corner seams from the inside of the U rib. The drive mechanism can drive the mobile platform to move in the U rib. By means of the device, the corner seams of the U rib can be welded inside the U rib, and accordingly, the structural strength of the welded U rib unit is improved; meanwhile, the poor welding of weld seams inside the U rib can be reduced, and accordingly, the U rib unit anti-fatigue strength is improved. The invention further provides a U-rib welding system which comprises the U-rib welding device. Besides, the invention further provides a U-rib welding method using the U-rib welding device.
Description
Technical field
The present invention relates to science of bridge building field, particularly, relate to a kind of U rib welder and U rib welding system, and use the U rib welding method of above-mentioned U rib welder.
Background technology
Steel box-girder is the important component part in bridge bearing structure, is mainly used in providing support, avoids bridge deformation.Steel box-girder generally comprises the structure such as top board, base plate, and described top board and base plate are generally welded by U rib and base plate.
At present, the angle welding between the U rib of steel box-girder and base plate all adopts outside single-sided welding.During from outside weldings, in order to reach the depth of penetration of designing requirement, outside U rib, bevel or employing big current weld usually.When adopting big current welding, the degree of stability of the electric current in welding process, voltage and speed of welding directly affects welding quality, is difficult to ensure welding quality; Outside U rib during bevel, process and be difficult to consistent with groove size during assembling, root face, gap, also directly can affect welding quality.The above-mentioned welding manner various defect such as lack of penetration, incomplete fusion, overlap, depth of penetration be undesirable that often causes U rib inside to exist, makes U rib inside easily occur Kekelé structure count defect, has a strong impact on the fatigue strength of weld seam.
Therefore, how avoiding the weld defect of U rib, improve the welding quality of weld seam, is the technical problem that those skilled in the art are badly in need of solving at present.
Summary of the invention
The object of this invention is to provide a kind of U rib welder, this U rib welder can weld the angle seam crossing of U rib inside, avoids the weld defect of U rib inside, improves the welding quality of weld seam.Another object of the present invention there is provided a kind of U rib welding system.3rd object of the present invention is to provide a kind of U rib welding method.
In order to realize above-mentioned technical purpose, the invention provides a kind of U rib welder, comprising:
Mobile platform, described mobile platform can enter the inside of U rib to be welded;
Welding mechanism, described welding mechanism is arranged on described mobile platform, in order to the angle seam crossing from U rib described in U rib interior welds;
Driving mechanism, described driving mechanism drives described mobile platform mobile in described U rib inside.
Optionally, the head of the welding gun of described welding mechanism is positioned at the front end of described mobile platform;
When the angle seam crossing of described welding mechanism to described U rib welds, described driving mechanism drives described mobile platform to move backward.
Optionally, described welding mechanism comprises two symmetrically arranged described welding guns, and the described head of the two lays respectively at the both sides of described mobile platform, can weld the angle seam crossing of the inner both sides of described U rib respectively.
Optionally, described mobile platform is also provided with the corner connection seam tracking structure of described welding gun, described corner connection seam tracking structure has the follower head of the rear side being positioned at described welding gun, described follower head is mobile along described corner connection seam, and described corner connection seam tracking structure adjusts the position of described welding gun according to the position that described corner connection is stitched.
Optionally, described corner connection seam tracking structure comprises swinging axle, elastic component and connector; Described follower head is positioned at described swinging axle end, and described elastic component one end connects described swinging axle, and the other end connects described mobile platform, makes the described follower head of described swinging axle end compress described corner connection seam all the time; Described connector one end connects described swinging axle, and the other end connects described welding gun, makes the head of described welding gun and described swinging axle synchronization action.
Optionally, described corner connection seam tracking structure comprises sensor and controller; Described follower head is located at by described sensor, and the motion track of described follower head is passed to controller; Described controller controls the movement of the head of described welding gun according to described motion track.
Optionally, baffle plate is provided with between the head of described welding gun and described follower head.
Optionally, described follower head is provided with roller, and when described mobile platform moves, described roller rolls along described corner connection seam.
Alternatively, movable pulley is provided with on the downside of described mobile platform; The both sides of described mobile platform are equipped with position-limited wheel, and the described position-limited wheel of both sides moves along the sidewall of described U rib inside.
Optionally, also comprise image acquisition device and welding gun controller, the image in described image acquisition device collection welding process and/or the image of postwelding weld seam, described welding gun controller is used for the position of welding gun according to described Image Adjusting.
Optionally, comprise two described image acquisition devices, the image in a described image acquisition device collection welding process, image acquisition device described in another gathers the image of postwelding weld seam.
Optionally, comprise a described image acquisition device and angle converting structure, described angle converting structure can switch the angle of described image acquisition device, makes described image acquisition device can show the image of image in welding process and postwelding weld seam respectively.
Optionally, described driving mechanism comprises spacing and/or adjustable for height drive leader, and described drive leader is connected with described mobile platform stabilization.
Optionally, described drive leader is connected by rubber universal joint with described mobile platform, or establishes buffer gap in the junction of the two.
Optionally, described drive leader inner hollow, its inside arranges the pipeline of described welding mechanism, and the described pipeline in described drive leader comprises one or more in cable, gas pipeline, cooling water pipeline, wire feed pipeline, control line and holding wire.
Optionally, the outside of described U rib is provided with the moving track of described mobile platform, the spacing of described moving track and/or height adjustable.
Present invention also offers a kind of U rib welding system, comprise the U rib welder described in multiple above-mentioned any one, multiple described U rib welder is set up in parallel and synchronization action.
Present invention also offers a kind of U rib welding method using U rib welder described in above-mentioned any one, comprising:
S1, makes the mobile platform being provided with welding mechanism enter U rib inner;
S2, drives described mobile platform to move to weld start position;
S3, drives described mobile platform to move to welding final position backward, and the angle seam crossing of welding mechanism described in moving process to described U rib inside welds.
U rib welder provided by the invention, mobile platform can enter the inside of U rib to be welded, and welding mechanism is arranged on a mobile platform, and driving mechanism drives mobile platform mobile in U rib inside, in moving process, welding mechanism is from the angle seam crossing of the interior welds U rib of U rib.
This welder is directly from the interior welds of U rib, the welding quality of U rib internal weld seams can be ensured, avoid occurring lack of penetration, the defect such as incomplete fusion, depth of penetration are inadequate from easily occurring during outside weldings, improve the welding quality of weld seam, make U rib and bridge welding be connected into the higher U rib unit of steadiness, make U rib unit not easily because the problem such as crack, distortion appears in external force.
Meanwhile, this welder welds the angle seam crossing that U rib contacts with cover plate with parameter with identical attitude, can improve the uniformity of weld seam, avoids the failure welding of weld seam, thus improves the antifatigue degree of the U rib unit after welding.
This welder, for the design feature of U rib, have employed a kind of brand-new welding manner, only can from compared with outside single-sided welding with prior art, this U rib welder can weld in U rib inside, coordinate the mode of existing outside weldings again, two-sided welding can be carried out to the weld seam of U rib, improve the welding quality of weld seam, reduce the failure welding of U rib internal weld seams, improve the fatigue resistance of U rib unit, increase the service life.
A kind of U rib welding system that the present invention also provides, comprises multiple above-mentioned U rib welder, and multiple U rib welder is set up in parallel and synchronization action.Because this U rib welder has above-mentioned technique effect, therefore this U rib welding system also has corresponding technique effect.
In addition, the present invention also provides a kind of U rib welding method using above-mentioned U rib welder, and when using this welder, it is inner that welding mechanism is positioned at U rib, moves to welding final position backward from weld start position, the angle seam crossing of welding U rib inside.The welding quality of the weld seam of the U rib inside of above-mentioned welding method welding is higher, improves the fatigue resistance of U rib unit.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.
The structural representation of the U rib welder that Fig. 1 ' provides for embodiment of the present invention;
The schematic diagram that Fig. 2 welds U rib for the rib of U shown in Fig. 1 welder;
Fig. 3 is the flow chart of the method for welding U rib provided by the invention;
Wherein, the Reference numeral in Fig. 1 and Fig. 2 and the corresponding relation between component names as follows:
Welding gun 1; Mobile platform 2; Movable pulley 21; Position-limited wheel 22; Corner connection seam tracking structure 3; Swinging axle 31; Elastic component 32; Follower head 33; Connector 34; Welding gun controller 4; Clamping device 41; Angle adjusting mechanism 42; Baffle plate 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Please refer to Fig. 1 and Fig. 2, the structural representation of the U rib welder that Fig. 1 provides for embodiment of the present invention, the schematic diagram that Fig. 2 welds U rib for the rib of U shown in Fig. 1 welder.
In a kind of concrete embodiment, the invention provides a kind of U rib welder, comprising:
Mobile platform 2, mobile platform 2 can enter the inside of U rib to be welded;
Welding mechanism, welding mechanism is arranged on mobile platform 2, in order to the angle seam crossing from U rib interior welds U rib;
Driving mechanism, driving mechanism drives mobile platform 2 mobile in U rib inside.
When using this U rib welder, mobile platform 2 enters the inside of U rib, and driving mechanism drives mobile platform 2 mobile in U rib inside, and in moving process, welding mechanism is from the interior welds angle seam crossing of U rib.
This welder can directly from the interior welds of U rib, the welding quality of U rib internal weld seams can be ensured, avoid occurring lack of penetration, the defect such as incomplete fusion, depth of penetration are inadequate from easily occurring during outside weldings, improve the welding quality of weld seam, make U rib and bridge welding be connected into the higher U rib unit of steadiness, make U rib unit not easily because the problem such as crack, distortion appears in external force.
Like this in welding process, welding mechanism is consistent with the distance of the angle seam crossing of U rib, with identical attitude and parameter, U rib is welded with the angle seam crossing of cover plate, the uniformity of weld seam can be improved, avoid the failure welding of weld seam, obtain better welding effect, improve the fatigue resistance of the rear U rib unit of welding.
This welder, for the design feature of U rib, have employed a kind of brand-new welding manner, improves the welding quality of U rib internal weld seams.Only can from compared with outside single-sided welding with prior art, this U rib welder can weld in U rib inside, coordinate the mode of existing outside weldings again, two-sided welding can be carried out to the weld seam of U rib, improve the welding quality of weld seam, reduce the failure welding of U rib internal weld seams, improve the fatigue resistance of U rib unit, increase the service life.
Further, the head of the welding gun 1 of welding mechanism is positioned at the front end of mobile platform 2; When the angle seam crossing of welding mechanism to U rib welds, driving mechanism drives mobile platform 2 to move backward.
In the present embodiment, described " front " represents that the original position of welding compares the direction of final position, and " afterwards " represents that the final position of welding compares the direction of original position.
In welding process, the moving direction of mobile platform 2 is gradually away from welding position, the spark, the flue dust that produce when the path can avoiding movement occurring welding, avoiding the various devices of welding mechanism because welding the spark, the flue dust and damaging that produce, extending the service life of welding mechanism.
One preferred embodiment in, welding mechanism comprises two symmetrically arranged welding guns 1, and the head of the two lays respectively at the both sides of mobile platform 2, and can weld the angle seam crossing of the inner both sides of U rib respectively, concrete structure please refer to Fig. 1 and Fig. 2 simultaneously.
In this structure, in mobile platform 2 moving process, two welding guns 1 can weld the angle seam crossing of the inner both sides of U rib simultaneously, and mobile platform 2 moves the welding that once just can complete inner two side welds of U rib unit, improves welding efficiency.
In the respective embodiments described above, mobile platform 2 is also provided with the corner connection seam tracking structure 3 of welding gun 1, corner connection seam tracking structure 3 has the follower head 33 of the rear side being positioned at welding gun 1, and follower head 33 is mobile along corner connection seam, the position of the position adjustment welding gun 1 that corner connection seam tracking structure 3 stitches according to corner connection.
Each welding gun 1 is equipped with corner connection seam tracking structure 3, and corner connection seam tracking structure 3 is positioned at the rear side of welding gun 1, and in welding process, mobile platform 2 moves backward, and the follower head 33 of corner connection seam tracking structure 3 is first mobile along corner connection seam, and welding gun 1 again diagonal cut miter joint welds.Follower head 33, in the position of trail angle seam above, then according to the position of the position adjustment welding gun 1 of corner connection seam, ensures that welding gun 1 and corner connection stitchs and aligns all the time, thus the welding quality of guarantee welding mechanism.
In a kind of concrete embodiment, corner connection seam tracking structure 3 comprises swinging axle 31, elastic component 32 and connector 34; Follower head 33 is positioned at swinging axle 31 end, and elastic component 32 one end connects swinging axle 31, and the other end connects mobile platform 2, makes the follower head 33 of swinging axle 31 end compress corner connection seam all the time; Connector 34 one end connects swinging axle 31, and the other end connects welding gun 1, makes head and swinging axle 31 synchronization action of welding gun 1.
Elastic component 32 connects mobile platform 2 and swinging axle 31, and make swinging axle 31 have the trend outwards swung, make follower head 33 all the time against the edge of U rib, the edge of U rib and base plate form corner connection and stitch, and compresses corner connection seam.When the shape at U rib edge or change in location, the position of corner connection seam will change, elastic component 32 can make swinging axle 31 do according to the change in location that corner connection is stitched and swing adjustment accordingly, follower head 33 is kept in touch with the edge of U rib all the time, ensures that follower head 33 can be mobile along corner connection seam all the time.
The follower head 33 of corner connection seam tracking structure 3 can be mobile along corner connection seam all the time, and the track of follower head 33 movement is the track of corner connection seam, according to the track adjustment welding gun 1 of corner connection seam, can ensure that in welding process, welding gun 1 stitches with corner connection all the time and aligns.The mode of adjustment welding gun 1 position has multiple, can be realized by the mode of frame for movement, also can be realized by the mode controlled, and can also be realized by frame for movement and the mode controlling to combine.
This corner connection seam tracking structure 3, by arranging connector 34, makes head and swinging axle 31 synchronization action of welding gun 1.When follower head 33 is mobile along corner connection seam, if the position of corner connection seam changes, the track stitched along corner connection moves by follower head 33, in this process, swinging axle 31 does corresponding swing, drive the head of welding gun 1 to do corresponding swing simultaneously, make the head of welding gun 1 all the time along corner connection seam welding, what the head of guarantee welding gun 1 and corner connection were stitched aligns.
Wherein, the function of the elastic component 32 in this structure is to provide pulling force, and make swinging axle 31 have the trend outwards swung, this elastic component 32 can be spring, also can realize the parts of this function for other, such as, and telescoping cylinder.
In another preferred embodiment, corner connection seam tracking structure 3 comprises sensor and controller; Follower head 33 is located at by sensor, and the motion track of follower head 33 is passed to controller; Controller controls the movement of the head of welding gun 1 according to motion track.
This embodiment adjusts the position of welding gun 1 head by the mode controlled.In this embodiment, follower head 33 and welding gun 1 can distinguish action, first gather the motion track of follower head, and controller controls the track in welding gun 1 welding process according to motion track, ensures that welding aligns, realizes high-quality welding.
Concrete, the track of welding gun 1 movement can be preset in controller, this track is equivalent to the desired guiding trajectory of follower head 33, when actual path is different from desired guiding trajectory, follower head 33 does corresponding change, follower head 33 change in location detected is passed to controller by sensor, and controller does corresponding adjustment according to this change Butt welding gun 1, makes welding gun 1 according to the Antiinterference of reality.
In the respective embodiments described above, between the head of welding gun 1 and follower head 33, be provided with baffle plate 5.Spark, flue dust etc. that this baffle plate 5 produces when can block welding.
When welding gun 1 and follower head 33 synchronization action, need the head of welding gun 1 and the close together of follower head 33, this baffle plate 5 can avoid spark, the flue dust damage of the soldered generation of follower head 33, and as shown in Figure 1, baffle plate 5 can be arranged on connector 34.
In the respective embodiments described above, follower head 33 is provided with roller, and when mobile platform 2 moves, roller rolls along corner connection seam.
When this corner connection seam tracking structure 3 moves, roller rolls along corner connection seam, and the sliding friction of follower head 33 is transformed into rolling friction, can reduce to sew up the frictional force touched and produce with corner connection, thus improves service life and the tracking accuracy of follower head.
In the respective embodiments described above, on the downside of mobile platform 2, be provided with movable pulley 21; The both sides of mobile platform 2 are equipped with position-limited wheel 22, and the position-limited wheel 22 of both sides moves along the sidewall of U rib inside.
Mobile platform 2 is supported by the movable pulley 21 on the downside of it, and is walked by movable pulley 21, realizes the welding to U rib unit.In welder welding process, it is inner that this welding mechanism is positioned at U rib, and the position-limited wheel 22 of mobile platform 2 both sides, along the roll inside of U rib both sides, can ensure that in welding process welding mechanism aligns between two parties, can not offset.
In above-mentioned each concrete embodiment, this U rib welder also comprises image acquisition device and welding gun controller 4, and the image in image acquisition device collection welding process and/or the image of postwelding weld seam, welding gun controller is used for the position according to Image Adjusting welding gun 1.
Image acquisition device is arranged near welding gun 1 head, image in collection welding process and/or the image of postwelding weld seam, whether the position that can analyze welding gun 1 according to above-mentioned image is suitable, if improper, can be adjusted by the position of welding gun controller 4 Butt welding gun 1, to obtain best weld seam.
As shown in Figure 2, welding gun controller 4 comprises clamping device 41 and angle adjusting mechanism 42, and clamping device 41 clamps the head of welding gun 1, and angle adjusting mechanism 42 can control clamping device 41 and rotate, and then the angle of adjustment welding gun 1, changes the position of welding gun 1.
One preferred embodiment in, U rib welder comprises two image acquisition devices, and image acquisition device gathers the image in welding process, and another image acquisition device gathers the image of postwelding weld seam.
According to the image in the welding process that an image acquisition device gathers and/or video, staff can be adjusted by the position of the real-time Butt welding gun 1 of welding gun controller 4 and state, avoids welding to occur bad, obtains better welding effect; The image gathered according to another image acquisition device and/or video, staff can the welding effect of butt welded seam assess, and determines according to weld seam situation the position whether adjusting welding gun 1.
In another preferred embodiment, U rib welder comprises an image acquisition device and angle converting structure, angle converting structure can switch the angle of image acquisition device, makes image acquisition device can show the image of image in welding process and postwelding weld seam respectively.
Angle converting structure is for switching the angle of image acquisition device, make image acquisition device in a first state, image when the angle seam crossing of collection welding gun 1 pair of U rib welds and/or video, and in the second condition, gather image and/or the video of the weld seam welded of U rib.Image acquisition device can above-mentioned two images of Alternation Display, according to welding process and postwelding weld seam, are adjusted the position of welding gun 1 by welding gun controller 4.
In this U rib welder, corner connection seam tracking structure 3 only can be set, also image acquisition device and welding gun controller 4 can be only set, image acquisition device and welding gun controller 4 can also be set while corner connection seam tracking structure 3 is set.
In welding process, corner connection seam tracking structure 3 can adjust the position of welding gun 1 automatically according to the position of corner connection seam, ensure that welding gun 1 and corner connection are stitched and align.In order to avoid the position of the welding gun 1 of corner connection seam tracking structure 3 adjustment is inaccurate, in this process, staff can be observed by image acquisition device, is then regulated by the head of welding gun controller 4 Butt welding gun 1, to reach best welding effect.
In the respective embodiments described above, driving mechanism comprises spacing and/or adjustable for height drive leader, and drive leader is connected with mobile platform stabilization.The downside of drive leader can arrange support wheel.
Drive leader can be driven by electronic or pneumatic mode, the spacing of drive leader and/or height adjustable, can according to the height of the thickness adjustment drive leader of base plate, to make the base plate of adaptation different-thickness, also can according to the spacing of the width adjustment drive leader of U rib, to adapt to the U rib of different model different spacing.Drive leader is connected with mobile platform 2 stabilization, and the shake produced in drive leader moving process and concussion can not pass to welding mechanism, can not affect the welding quality of welding mechanism.
Particularly, drive leader is connected by rubber universal joint with mobile platform 2, or establishes buffer gap in the junction of the two.Rubber universal joint and buffer gap can absorb shake in drive leader moving process and vibrations, make mobile platform 2 remain even running, can not affect the welding process of welding mechanism.
In embodiment concrete further, drive leader inner hollow, its inside arranges the pipeline of welding mechanism.
In welding mechanism welding process, need each system to cooperatively interact, comprise wire feed system and plenum system etc.; Wire feed system provides welding wire to welding gun 1, and plenum system provides welding gas to welding gun 1, also needs power supply to be that welding gun 1 is powered.
Concrete, the pipeline in drive leader comprises one or more in cable, gas pipeline, cooling water pipeline, wire feed pipeline, control line and holding wire.
Each pipeline can be arranged in drive leader, also can arrange pipeline specially, and each pipeline can be arranged in a drive leader or a pipeline, also can be distributed in drive leader and pipeline.
In the respective embodiments described above, the outside of U rib is provided with the moving track of mobile platform 2, the spacing of moving track and/or height adjustable.
In welding process, it is inner that mobile platform 2 is positioned at U rib, and base plate is walked; One end of base plate is provided with moving track, and before welding, mobile platform 2 is first walked on moving track, goes on base plate, enters U rib inside and weld; After welding, move to again on moving track from base plate.
U rib has different models, physical dimensions corresponding different respectively, can regulate the spacing of moving track, to adapt to the U rib of different model according to the size of U rib.
U rib has different model, and base plate also has different thickness, and the height adjustable of moving track can adapt to the base plate of different-thickness.
Except above-mentioned U rib welder, present invention also offers a kind of U rib welding system, comprise the U rib welder described in multiple the respective embodiments described above, multiple U rib welder is set up in parallel and synchronization action.
U rib welder has above-mentioned technique effect, therefore this U rib welding system also has corresponding technique effect, and can weld multiple U rib simultaneously.
Please refer to Fig. 3, Fig. 3 is the flow chart of the method for welding U rib provided by the invention.
The present invention also provides a kind of U rib welding method using above-mentioned U rib welder, comprises the following steps:
Step 1, makes the mobile platform being provided with welding mechanism enter U rib inner;
Step 2, drives described mobile platform to move to weld start position;
Step 3, drives described mobile platform to move to welding final position backward, and the angle seam crossing of welding mechanism described in moving process to U rib inside welds.
In this welding method, it is inner that mobile platform is positioned at U rib, moves to welding final position backward from weld start position, the angle seam crossing of welding U rib inside.
This welding method is stitched from the corner connection of U rib interior welds U rib, can ensure the welding quality of U rib internal weld seams, avoids occurring, from lack of penetration, the defect such as incomplete fusion, depth of penetration are inadequate that easily occur during outside weldings, improving the welding quality of weld seam; In welding process, the moving direction of welding mechanism is gradually away from welding position, and the spark, the flue dust that produce when the path avoiding welding mechanism movement occurring welding, avoid the various devices of welding mechanism because welding the spark, the flue dust and damaging that produce.The welding quality of the weld seam of the U rib inside of this welding method welding is higher, improves the fatigue resistance of U rib unit.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a U rib welder, is characterized in that, comprising:
Mobile platform, described mobile platform can enter the inside of U rib to be welded;
Welding mechanism, described welding mechanism is arranged on described mobile platform, in order to the angle seam crossing from U rib described in U rib interior welds;
Driving mechanism, described driving mechanism drives described mobile platform mobile in described U rib inside.
2. U rib welder according to claim 1, is characterized in that, the head of the welding gun of described welding mechanism is positioned at the front end of described mobile platform;
When the angle seam crossing of described welding mechanism to described U rib welds, described driving mechanism drives described mobile platform to move backward.
3. U rib welder according to claim 2, it is characterized in that, described welding mechanism comprises two symmetrically arranged described welding guns, and the described head of the two lays respectively at the both sides of described mobile platform, can weld the angle seam crossing of the inner both sides of described U rib respectively.
4. the U rib welder according to any one of claims 1 to 3, it is characterized in that, described mobile platform is also provided with the corner connection seam tracking structure of described welding gun, described corner connection seam tracking structure has the follower head of the rear side being positioned at described welding gun, described follower head is mobile along described corner connection seam, and described corner connection seam tracking structure adjusts the position of described welding gun according to the position that described corner connection is stitched.
5. U rib welder according to claim 4, is characterized in that, described corner connection seam tracking structure comprises swinging axle, elastic component and connector; Described follower head is positioned at described swinging axle end, and described elastic component one end connects described swinging axle, and the other end connects described mobile platform, makes the described follower head of described swinging axle end compress described corner connection seam all the time; Described connector one end connects described swinging axle, and the other end connects described welding gun, makes the head of described welding gun and described swinging axle synchronization action.
6. U rib welder according to claim 4, is characterized in that, described corner connection seam tracking structure comprises sensor and controller; Described follower head is located at by described sensor, and the motion track of described follower head is passed to controller; Described controller controls the movement of the head of described welding gun according to described motion track.
7. the U rib welder according to any one of claims 1 to 3, it is characterized in that, also comprise image acquisition device and welding gun controller, image in described image acquisition device collection welding process and/or the image of postwelding weld seam, described welding gun controller is used for the position of welding gun according to described Image Adjusting.
8. U rib welder according to claim 7, is characterized in that, comprises two described image acquisition devices, the image in a described image acquisition device collection welding process, and image acquisition device described in another gathers the image of postwelding weld seam;
Or comprise a described image acquisition device and angle converting structure, described angle converting structure can switch the angle of described image acquisition device, make described image acquisition device can show the image of image in welding process and postwelding weld seam respectively.
9. a U rib welding system, is characterized in that, comprises the U rib welder described in multiple any one of claim 1 to 8, and multiple described U rib welder is set up in parallel and synchronization action.
10. use a U rib welding method for the U rib welder described in any one of claim 1 ~ 9, it is characterized in that, comprising:
S1, makes the mobile platform being provided with welding mechanism enter U rib inner;
S2, drives described mobile platform to move to weld start position;
S3, drives described mobile platform to move to welding final position backward, and the angle seam crossing of welding mechanism described in moving process to described U rib inside welds.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510240133.0A CN104816071B (en) | 2015-05-11 | 2015-05-11 | U ribs welder, U ribs welding system and U rib welding methods |
| PCT/CN2016/081630 WO2016180331A1 (en) | 2015-05-11 | 2016-05-11 | U-rib welding apparatus, u-rib welding system, and u-rib welding method |
| JP2018511316A JP6999544B2 (en) | 2015-05-11 | 2016-05-11 | U-rib welding equipment, U-rib welding system and U-rib welding method |
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| CN201510240133.0A CN104816071B (en) | 2015-05-11 | 2015-05-11 | U ribs welder, U ribs welding system and U rib welding methods |
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| CN104816071B CN104816071B (en) | 2018-01-30 |
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| JP (1) | JP6999544B2 (en) |
| CN (1) | CN104816071B (en) |
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| CN114161040B (en) * | 2021-12-27 | 2024-05-03 | 武汉锂鑫自动化科技有限公司 | Be used for inside face upward welding equipment of U rib |
| CN114654125A (en) * | 2022-05-24 | 2022-06-24 | 中铁山桥集团有限公司 | U-shaped rib inner side welding seam repair system |
| CN114952103A (en) * | 2022-06-20 | 2022-08-30 | 广州文船重工有限公司 | Method for acquiring welding parameters of U-shaped rib |
| CN114952103B (en) * | 2022-06-20 | 2023-12-19 | 广州文船重工有限公司 | U-rib welding parameter acquisition method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6999544B2 (en) | 2022-01-18 |
| WO2016180331A1 (en) | 2016-11-17 |
| CN104816071B (en) | 2018-01-30 |
| JP2018519168A (en) | 2018-07-19 |
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Denomination of invention: U-rib welding device, U-rib welding system and U-rib welding method Effective date of registration: 20220607 Granted publication date: 20180130 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN LIXIN AUTOMATION TECHNOLOGY Co.,Ltd. Registration number: Y2022420000148 |
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