Marine longitudinal automatic welding device and using method thereof

Abstract

The invention relates to a marine longitudinal automatic welding device and a using method thereof. The marine longitudinal automatic welding device comprises a walking track system, a set of cart end beam components are arranged on each ground track, a cross beam component is arranged between the two sets of cart end beam components, a trolley end beam component is arranged on the cross beam track, and a trolley platform is arranged on the trolley end beam component. The trolley platform is of a double-layer structure, a left welding arm component and a right welding arm component are arranged on the two sides of the lower layer of the trolley platform respectively and connected with the trolley platform through welding arm beams, double-layer drag chains are arranged on the lower layer of the trolley platform, and the left welding arm component and the right welding arm component are connected with one layer of drag chains respectively, so that the left welding arm component and the right welding arm component do not interfere with each other during operation. The problem that the drag chain is pulled in the position adjusting process of the welding arm is effectively solved, seam searching welding can be automatically carried out, the welding efficiency is improved, the device is suitable for longitudinal bones of different types, the cost can be greatly reduced, the shipbuilding period is prolonged, and the device has the advantages of being high in compatibility, simple in structure and good in welding quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic welding equipment, in particular to a longitudinal girder automatic welding device for ships and a method for using the same. BACKGROUND

[0002] In the prior art, longitudinal girder welding is the basic work for the production of segmented pieces in the shipbuilding process, which accounts for most of the manpower in the shipbuilding process and the quality of longitudinal girder welding directly affects the quality of shipbuilding. Currently, many shipyards still use manual welding or welding with tooling. This welding method is largely dependent on the welding technology of workers, greatly increasing the cost and prolonging the shipbuilding cycle.

[0003] Therefore, there is an urgent need for an improved longitudinal girder automatic welding device to improve efficiency and adapt to different types of longitudinal girder welding. SUMMARY

[0004] The purpose of the present application is to provide an improved longitudinal girder automatic welding device for ships and a method for using the same. Through the improvement of structure and method, it can be applied to different types of longitudinal girder welding, improve efficiency, reduce cost and shorten the shipbuilding cycle.

[0005] In order to achieve the above purpose, the technical scheme of the present application is: a longitudinal girder automatic welding device for ships, characterized in that: the welding device comprises a walking track system arranged on the ground, the walking track system comprises a group of parallel ground tracks, a group of movable car end beam components are arranged on each ground track, a cross beam component is arranged between the two groups of car end beam components, the cross beam component comprises a cross beam track, movable trolley end beam components are arranged on the cross beam track, and a trolley platform is arranged on the trolley end beam components; the trolley platform is a double-layer structure, left and right welding arm components are arranged on the two sides of the lower layer respectively, the left and right welding arm components are connected with the trolley platform through a welding arm beam, and double-layer drag chains are arranged on the lower layer of the trolley platform, the left and right welding arm components are connected with one of the layers of drag chains respectively, so that the left and right welding arm components do not interfere with each other during operation.

[0006] Preferably, a welding beam track and a welding beam rack are arranged on the welding beam, the left and right welding arm assemblies are slidably connected with the welding beam through the sliding blocks matched with the welding beam track, and welding beam bumpers are arranged on the side of the welding beam; a dust remover and a welding wire barrel are arranged on the upper layer of the trolley platform.

[0007] Further, the car end beam component comprises a car end beam and a stand arranged thereon, a car bumper device is arranged at one end of the car end beam, car walking wheels matched with the ground track are arranged on the bottom of the car end beam, a car driving unit is arranged in the car end beam to drive the car walking wheels, and a car guide device is arranged on the side of the car end beam.

[0008] Further, the beam component comprises two parallel beams, the two ends of the two beams are connected by a pull rod, the bottom of the two ends of the pull rod is connected with a large trolley end beam component, so that the beam is erected above the large trolley end beam component, the two beams are respectively provided with corresponding beam rails, and the beam rails are provided with racks matched with the beam rails.

[0009] Further, the trolley end beam component comprises a trolley end beam, the bottom of the trolley end beam is provided with a trolley walking wheel, one end of the trolley end beam is provided with a trolley guide device and a trolley anti-collision device, and the trolley end beam is internally provided with a trolley motor.

[0010] Further, the left and right welding arm components are the same in structure, the right welding arm component comprises a welding arm shell, a stand is arranged in the welding arm shell, one side of the stand is provided with a welding gun driving motor, a welding gun assembly connected with the welding gun driving motor is arranged below the stand, a left-right driving motor and a welding arm anti-collision block are arranged on one side of the shell, a dust removal channel matched with the welding gun assembly is arranged in the stand, and a dust removal pipeline connected with the dust removal channel is arranged on the top of the shell.

[0011] Further, one side of the welding gun assembly is provided with a tracker, and dustproof covers are arranged outside the welding gun assembly and the tracker.

[0012] A use method of the automatic longitudinal beam welding device for a ship, characterized in that the method comprises the following steps: a, after the plate body and the longitudinal beam are completed spot welding, the plate body and the longitudinal beam are transported to the longitudinal beam welding station between two ground rails; b, the large trolley end beam component drives the beam component to be close to the plate body, the trolley end beam further adjusts the position of the trolley platform and the plate body, so that the positions of the left and right welding arm components on the trolley platform are aligned with the position of the longitudinal beam above the plate body; c, according to the different types and distances of the longitudinal beam, the distance between the left and right welding arms is adjusted to adapt to the distance of the longitudinal beam; d, after the left and right welding arm components are adjusted, the tracker automatically searches the position to find the welding position of the longitudinal beam and the plate body; e, the longitudinal beam is automatically welded, after the welding is completed, the trolley platform is reset, and the longitudinal beam and the plate body are transported to the next station.

[0013] Further, in the b step, the beam component comprises two parallel beams, the two ends of the two beams are connected by a pull rod, the bottom of the two ends of the pull rod is connected with a large trolley end beam component, so that the beam is erected above the large trolley end beam component, the two beams are respectively provided with corresponding beam rails, and the beam rails are provided with racks matched with the beam rails.

[0014] Further, in the b step, the left and right welding arm components have the same structure, the right welding arm component includes a welding arm shell, a stand column is arranged in the welding arm shell, a welding gun driving motor is arranged on one side of the stand column, a welding gun assembly connected with the welding gun driving motor is arranged below the stand column, a left and right driving motor and a welding arm anti-collision block are arranged on one side of the shell, a dust removal channel matched with the welding gun assembly is arranged in the stand column, and a dust removal pipeline connected with the dust removal channel is arranged on the top of the shell.

[0015] Compared with the prior art, the technical scheme of the present application not only improves the overall technical scheme, but also improves many details, and specifically has the following beneficial effects: 1、The improved scheme has the following beneficial effects: the welding device includes a walking track system arranged on the ground, the ground track is provided with a cart end beam component, two groups of cart end beam components are provided with a cross beam component, the cross beam track is provided with a movable trolley end beam component, and the trolley end beam component is provided with a trolley platform; the trolley platform is a double-layer structure, two sides of the lower layer are respectively provided with a left welding arm component and a right welding arm component, the left and right welding arm components are connected with the trolley platform through a welding arm beam, the lower layer of the trolley platform is provided with a double-layer drag chain, and the left and right welding arm components are connected with one layer of the drag chain respectively, so that the left and right welding arm components do not interfere with each other during operation, the problem of pulling the drag chain during position adjustment of the welding arm is effectively prevented, and the welding efficiency is improved; 2、The technical scheme has the following beneficial effects: one side of the welding gun assembly is provided with a tracker, the tracker automatically searches for a position, searches for a weld position of the longitudinal bone and the sheet body, adjusts the position of the welding gun, and automatically welds the longitudinal bone and the sheet body, so that the welding efficiency of the plane segmentation is greatly improved, the welding process is reliable and efficient, and manpower and material resources are saved; 3、The use method can be applied to different types of longitudinal bone welding, improves the efficiency, reduces the cost, and shortens the shipbuilding cycle. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present application.

[0017] Figure 2 It is a structural schematic diagram of the cart end beam in an embodiment of the present application.

[0018] Figure 3 It is another structural schematic diagram of the cart end beam in an embodiment of the present application.

[0019] Figure 4 It is a structural schematic diagram of the cross beam component in an embodiment of the present application.

[0020] Figure 5 It is a structural schematic diagram of the trolley end beam in an embodiment of the present application.

[0021] Figure 6 It is another structural schematic diagram of the trolley end beam in an embodiment of the present application.

[0022] Figure 7 The structural schematic view of the platform of the trolley in an embodiment of the present application.

[0023] Figure 8 The structural schematic view of the platform of the trolley in an embodiment of the present application. Figure 7 The enlarged structural schematic view of the middle A part.

[0024] Figure 9 The structural schematic view of the platform of the trolley in another embodiment of the present application.

[0025] Figure 10 The structural schematic view of the right welding arm part in an embodiment of the present application.

[0026] Figure 11 The structural schematic view of the right welding arm part in another embodiment of the present application.

[0027] Figure 12 The schematic view of the use state of the present application.

[0028] Reference signs: 1 walking track system, 2 large trolley end beam part, 3 pull rod, 4 cross beam part, 5 trolley end beam part, 6 trolley platform, 7 left welding arm part, 8 right welding arm part, 9 dust removal device; 21 end beam stand, 22 large trolley anti-collision device, 23 large trolley walking wheel, 24 large trolley driving unit, 25 large trolley guiding device; 41 cross beam, 42 cross beam track, 43 cross beam rack, 44 large ladder, 45 small ladder; 51 trolley end beam, 52 trolley walking wheel, 53 trolley guiding device, 54 trolley anti-collision device, 55 trolley motor; 61 welding beam, 62 welding beam track, 63 welding beam rack, 64 welding beam anti-collision block, 65 upper platform, 66 lower platform, 67 double-layer drag chain, 68 welding wire pipe rack; 81 welding arm stand, 82 welding gun driving motor, 83 welding gun assembly, 84 left and right driving motor, 85 welding arm anti-collision block, 86 dust removal passage, 87 dust removal pipeline, 88 welding gun tracker, 89 dustproof shield. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0030] The present application provides a ship longitudinal automatic welding device, which specifically refers to Figure 1The difference between the prior art and the present application is that the welding device comprises a walking track system 1 arranged on the ground, the walking track system comprises a plurality of parallel ground tracks, each ground track is provided with a plurality of movable trolley end beam components 2, the two groups of trolley end beam components are provided with a cross beam component 4, the cross beam component comprises a cross beam track, the cross beam track is provided with movable trolley end beam components 5, and the trolley end beam components are provided with a trolley platform 6; the trolley platform is a double-layer structure, the upper layer is provided with a dust removal device 9, and the lower layer is provided with a left welding arm component 7 and a right welding arm component 8 on the two sides respectively, the left and right welding arm components are connected with the trolley platform through a welding arm beam, and the lower layer of the trolley platform is provided with double-layer drag chains, the left and right welding arm components are connected with one of the drag chains respectively, so that the left and right welding arm components do not interfere with each other during operation.

[0031] In the implementation, the device can automatically perform seam welding, the welding arms do not interfere with each other during welding, the problem of pulling the drag chain during the position adjustment of the welding arm is effectively prevented, the welding efficiency is improved, the device is suitable for different types of longitudinal bones, the cost is greatly reduced, the shipbuilding cycle is improved, and the device has the advantages of high compatibility, simple structure and good welding quality.

[0032] Embodiment 1 In this embodiment, a ship longitudinal bone automatic welding device is described, and specific reference is made to Figure 1 The difference between the prior art and the present application is that the welding device comprises a walking track system 1 arranged on the ground, the walking track system comprises a plurality of parallel ground tracks, each ground track is provided with a plurality of movable trolley end beam components 2, the two groups of trolley end beam components are provided with a cross beam component 4, the cross beam component comprises a cross beam track, the cross beam track is provided with movable trolley end beam components 5, and the trolley end beam components are provided with a trolley platform 6; the trolley platform is a double-layer structure, the upper layer is provided with a dust removal device 9, and the lower layer is provided with a left welding arm component 7 and a right welding arm component 8 on the two sides respectively, the left and right welding arm components are connected with the trolley platform through a welding arm beam 61, and the lower layer of the trolley platform is provided with double-layer drag chains, the left and right welding arm components are connected with one of the drag chains respectively, so that the left and right welding arm components do not interfere with each other during operation.

[0033] Specifically, the welding beam 61 is provided with a welding beam track 62 and a welding beam rack 63, the left and right welding arm assemblies are slidably connected with the welding beam through the sliding blocks matched with the welding beam track, and the side of the welding beam is provided with a welding beam anti-collision block 64; the upper layer of the trolley platform is provided with a dust remover and a welding wire barrel.

[0034] Further, reference is made to Figure 2 , 3The trolley end beam component 2 consists of 4 pieces, which are set in pairs on the ground track. The trolley end beam component includes the trolley end beam and the end beam column 21 set on it. One end of the trolley end beam is equipped with a trolley anti-collision device 22. The bottom of the trolley end beam is equipped with trolley traveling wheels 23 that cooperate with the ground track. The trolley end beam is equipped with a trolley drive unit 24 for driving the trolley traveling wheels. The side of the trolley end beam is equipped with a trolley guide device 25.

[0035] Further, see Figure 4 The crossbeam component 4 includes two parallel crossbeams 41, with each end of the two crossbeams connected by a tie rod 3. The bottom ends of the tie rods are connected to the columns of a large trolley end beam component, so that the crossbeams are mounted above the large trolley end beam component. The two crossbeams are each provided with a corresponding crossbeam track 42, and the crossbeam track is provided with a matching crossbeam rack 43. The entire crossbeam component provides support for the trolley end beam component and the trolley platform. The crossbeam component is also provided with a large ladder 44 and a small ladder 45.

[0036] Further, see Figure 5 , 6 The trolley end beam component 5 includes a trolley end beam 51, with trolley wheels 52 at the bottom of the trolley end beam, and a trolley guide device 53 and a trolley anti-collision device 54 at one end of the trolley end beam. The trolley guide device guides the movement direction of the entire trolley end beam, thereby ensuring welding quality. A trolley motor 55 is installed inside the trolley end beam. The trolley motor is designed to be embedded for easy maintenance and repair. The trolley end beam component is used to drive the movement of the trolley platform.

[0037] Further, see Figures 7-9 The trolley platform 6 mainly consists of an upper platform 65, a lower platform 66, a welding arm beam, a double-layer drag chain 67, a welding wire tube rack 68, and welding beam anti-collision blocks. The rack, guide rail, and anti-collision blocks are installed above and on the side wall of the welding arm beam. The left and right welding arm components have the same structure. See [link / reference]. Figure 10 , 11 The right welding arm component 8 includes a welding arm housing, within which a welding arm column 81 is provided. A welding torch drive motor 82 is located on one side of the welding arm column. A welding torch assembly 83, connected to the welding torch drive motor, is located below the welding arm column. Left and right drive motors 84 and a welding arm anti-collision block 85 are located on one side of the housing. A dust removal channel 86, cooperating with the welding torch assembly, is located inside the column. A dust removal pipe 87, connected to the dust removal channel, is located on the top of the housing. A welding torch tracker 88 is located on one side of the welding torch assembly. A dustproof cover 89 is provided outside the welding torch assembly and the tracker.

[0038] Example 2 This embodiment describes a method for using an automatic welding device for marine longitudinal ribs, including the following steps: a) After spot welding, the sheet and longitudinal rib are transported to the longitudinal rib welding station between two ground tracks; b) The trolley end beam component drives the crossbeam component closer to the sheet, and the trolley end beam further adjusts the position of the trolley platform and the sheet, so that the positions of the left and right welding arm components on the trolley platform are aligned with the positions of the longitudinal ribs above the sheet; c) According to the different types and spacing of longitudinal ribs, the distance between the left and right welding arms is adjusted to adapt to the longitudinal rib spacing; d) After the left and right welding arm components are adjusted, the tracker automatically locates the weld position between the longitudinal rib and the sheet; e) The longitudinal rib is automatically welded, and after welding is completed, the trolley platform is reset, and the longitudinal rib and sheet are transported to the next station.

[0039] Furthermore, in step b, the crossbeam component includes two parallel crossbeams, with each end of the two crossbeams connected by a tie rod. The bottom ends of the tie rods are connected to a large vehicle end beam component, so that the crossbeams are mounted above the large vehicle end beam component. Each of the two crossbeams has a corresponding crossbeam track, and the crossbeam track has a rack that cooperates with it.

[0040] Furthermore, in step b, the left and right welding arm components have identical structures. The right welding arm component includes a welding arm housing, within which a column is installed. A welding torch drive motor is located on one side of the column, and a welding torch assembly connected to the welding torch drive motor is located below the column. Left and right drive motors and a welding arm anti-collision block are located on one side of the housing. A dust removal channel that cooperates with the welding torch assembly is located inside the column, and a dust removal pipe connected to the dust removal channel is located at the top of the housing. In step c, the left and right drive motors drive the right welding arm component to the position of the first longitudinal rib, and then the left and right drive motors drive the left welding arm component to the position of the second longitudinal rib, thereby allowing the welding arm to adapt to the longitudinal rib spacing.

[0041] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. An apparatus for automatic welding of longitudinal ship hull girders, characterized in that: The welding device comprises a walking track system arranged on the ground, the walking track system comprises a set of parallel ground tracks, each ground track is provided with a set of movable trolley end beam components, the two sets of trolley end beam components are provided with a cross beam component, the cross beam component comprises a cross beam track, the cross beam track is provided with movable trolley end beam components, and the trolley end beam components are provided with a trolley platform; the trolley platform is a double-layer structure, the left and right sides of the lower layer are respectively provided with left and right welding arm components, the left and right welding arm components are connected with the trolley platform through a welding arm beam, the lower layer of the trolley platform is provided with double-layer drag chains, and the left and right welding arm components are connected with one of the drag chains, so that the left and right welding arm components do not interfere with each other during operation.

2. An apparatus for automatic welding of longitudinal hull girders according to claim 1, characterized in that: The welding beam is provided with a welding beam track and a welding beam rack, the left and right welding arm assemblies are slidably connected with the welding beam through the sliding blocks matched with the welding beam track, and the side of the welding beam is provided with a welding beam anti-collision block; the upper layer of the trolley platform is provided with a dust remover and a welding wire barrel.

3. The apparatus according to claim 1, wherein: The trolley end beam component comprises a trolley end beam and a stand arranged thereon, one end of the trolley end beam is provided with a trolley anti-collision device, the bottom of the trolley end beam is provided with a trolley walking wheel matched with the ground track, the trolley end beam is internally provided with a trolley driving unit for driving the trolley walking wheel, and the side of the trolley end beam is provided with a trolley guide device.

4. The apparatus according to claim 1, wherein: The cross beam component comprises two parallel cross beams, the two ends of the two cross beams are connected through a pull rod, the bottom of the two ends of the pull rod is connected with a trolley end beam component, so that the cross beam is arranged above the trolley end beam component, and the two cross beams are respectively provided with corresponding cross beam tracks, and the cross beam tracks are provided with cross beam racks matched therewith.

5. The apparatus according to claim 1, wherein: The trolley end beam component comprises a trolley end beam, the bottom of the trolley end beam is provided with a trolley walking wheel, one end of the trolley end beam is provided with a trolley guide device and a trolley anti-collision device, and the trolley end beam is internally provided with a trolley motor, so as to drive the trolley platform to move.

6. The apparatus according to claim 1, wherein: The left and right welding arm components are the same in structure, the right welding arm component comprises a welding arm shell, a stand is arranged in the welding arm shell, one side of the stand is provided with a welding gun driving motor, the lower portion of the stand is provided with a welding gun assembly connected with the welding gun driving motor, one side of the shell is provided with a left-right driving motor and a welding arm anti-collision block, the stand is internally provided with a dust removal channel matched with the welding gun assembly, and the top of the shell is provided with a dust removal pipeline connected with the dust removal channel.

7. An apparatus for automatic welding of longitudinal hull girders according to claim 6, characterized in that: One side of the welding gun assembly is provided with a tracker, and the welding gun assembly and the tracker are externally provided with a dustproof cover.

8. A method of using an apparatus for automatic welding of longitudinal hull girders according to claim 1, characterized in that: The method comprises the following steps: a, after the sheet body and the longitudinal bone are completed spot welding, the sheet body and the longitudinal bone are transported to the longitudinal bone welding station between the two ground tracks; b, the trolley end beam component drives the cross beam component to approach the sheet body, and the trolley end beam further adjusts the position of the trolley platform and the sheet body, so that the positions of the left and right welding arm components on the trolley platform are aligned with the positions of the longitudinal bones above the sheet body; c, according to the different types and distances of the longitudinal bones, the distance between the left and right welding arms is adjusted to adapt to the distance between the longitudinal bones; d, after the left and right welding arm components are adjusted, the tracker automatically searches the position, and finds the welding seam position of the longitudinal bone and the sheet body; e, the longitudinal bone is automatically welded, after the welding is completed, the trolley platform is reset, and the longitudinal bone and the sheet body are transported to the next station. ​ 9. A method of using an apparatus for automatic welding of longitudinal hull girders according to claim 8, characterized in that: The method comprises the following steps: in the b step, the cross beam component comprises two parallel arranged cross beams, the two ends of the two cross beams are connected through a pull rod respectively, the two ends of the pull rod are connected with a large vehicle end beam component respectively, so that the cross beam is arranged above the large vehicle end beam component, the two cross beams are respectively provided with corresponding cross beam tracks, and the cross beam tracks are provided with racks matched with the cross beam tracks.

10. A method of using an apparatus for automatic welding of longitudinal hull girders according to claim 8, characterized in that: The method comprises the following steps: in the b step, the left and right welding arm components are the same in structure, the right welding arm component comprises a welding arm shell, a stand is arranged in the welding arm shell, one side of the stand is provided with a welding gun driving motor, a welding gun assembly connected with the welding gun driving motor is arranged below the stand, a left and right driving motor and a welding arm anti-collision block are arranged on one side of the shell, a dust removal channel matched with the welding gun assembly is arranged in the stand, and a dust removal pipeline connected with the dust removal channel is arranged on the top of the shell.

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