Laser welding device for splicing construction of wind power tower drum

Abstract

The invention relates to the technical field of welding, and provides a laser welding device for splicing construction of a wind power tower drum, the laser welding device comprises a framework, a welding assembly, a first transmission part, a second transmission part, a clamping mechanism and a moving assembly, the welding assembly comprises a welding assembly and a rotating assembly, and the welding assembly comprises a second telescopic part, a moving frame, a laser welding head and a CCD camera module. The rotating assembly, the first transmission part and the second transmission part are all in transmission connection with the driving assembly, the moving assembly comprises a radial moving part, a radial transmission part and moving wheels, the radial moving part comprises a radial moving frame and a movable pin, and a second rotating shaft between the two moving wheels is rotationally connected with the radial moving frame; a third meshing tooth is arranged on the inner end face of one moving wheel, the other end of the radial moving frame is in transmission connection with the third meshing tooth, the laser welding head can be automatically controlled to conduct welding along the annular track of the connecting position, and the welding device has the advantages of being ingenious in structural matching, wide in application range and capable of conducting welding on the multiple connecting positions along the axis of the wind power tower barrel.

Description

Technical Field

[0001] The present invention relates to the technical field of welding, and particularly to a laser welding device for the assembly and construction of wind power tower barrels. Background Art

[0002] Before the installation of the wind power tower barrel, the barrel sections of the tower barrel need to be welded section by section. The tower barrel welded in the workshop is transported to the preset position for installing the tower barrel, and then the tower barrel is installed.

[0003] Patent No. CN116160169B discloses a circumferential welding device for a wind power tower barrel, including a support assembly and a welding assembly. The welding assembly includes a welding torch, an adjustment seat, and an adjustment ring. The adjustment ring is arranged on the adjustment seat; the adjustment ring includes a fixed part and a rotating part. The fixed part is fixedly connected to the adjustment seat, and a moving groove is formed on the fixed part. The rotating part slides in the moving groove, and a limiting structure for limiting the rotating part to break away from the fixed part is arranged between the rotating part and the fixed part; a moving seat is connected to the inner side of the adjustment ring, and the welding torch is arranged on the moving seat; a driving structure for driving the moving seat to move along the circumferential direction of the adjustment ring is arranged on the moving seat, and the driving structure can also drive the rotating part to slide along the moving groove until the rotating part and the fixed part form a closed loop; the welding method includes steps such as placing the cylinder body, adjusting the welding torch, welding, withdrawing, and repeating, etc.; it has the effect of facilitating full welding of two adjacent cylinder bodies and improving the quality of the wind power tower barrel.

[0004] The welding of the wind power tower barrel usually involves welding on both the inner and outer sides. The outer side welding is the most common and is usually used to ensure the structural strength and stability of the tower barrel. The outer side welding can effectively withstand wind force and other external loads, while the inner side welding is usually necessary, especially at the joints and connections of the tower barrel. The inner side welding can enhance the strength of the overall structure, prevent possible crack propagation, and ensure the integrity of the weld seam.

[0005] The above technical solutions can only weld the wind power tower barrel from the outside and cannot automatically weld multiple connections along the axis of the wind power tower barrel from the inside. Summary of the Invention

[0006] The purpose of the present invention is to provide a laser welding device for the assembly and construction of wind power tower barrels, aiming to solve the problems existing when using the existing circumferential welding device for wind power tower barrels.

[0007] To achieve the above purpose, the present invention provides the following technical solution: A laser welding device for the assembly and construction of wind power tower barrels, including a framework and a clamping mechanism. The clamping mechanism is used for clamping the wind power tower barrel. A linear guide rail is arranged on the surface of the framework, and further includes: A driving assembly fixedly connected to the framework; Welding assembly, the welding assembly includes a welding component and a rotating component, the welding component includes a second telescopic member, a moving frame, a laser welding head and a CCD camera module, the moving frame is fixedly connected to the second telescopic member, the second telescopic member is arranged on the surface of the rotating component, the rotating component is rotatably connected to the skeleton, the laser welding head is connected to the moving frame, and the CCD camera module is fixedly connected to the laser welding head; A first transmission member and a second transmission member rotatably connected to the skeleton, the rotating component, the first transmission member and the second transmission member are all in transmission connection with the drive assembly, and an arc-shaped guide rail is arranged on the surface of the second transmission member; Moving assembly, the moving assembly includes a radial moving part, a radial transmission part and moving wheels, the radial moving part includes a radial moving frame and a movable pin, the radial moving frame and the movable pin are fixedly connected, the movable pin is simultaneously slidably connected in the arc-shaped guide rail and the linear guide rail, the radial transmission part is connected between the radial moving frame and the skeleton, the first transmission member is in transmission connection with one end of the radial moving frame, a second rotating shaft is fixedly connected between the two moving wheels, the second rotating shaft is rotatably connected to the radial moving frame, and a third meshing tooth is arranged on the inner end surface of one of the moving wheels, and the other end of the radial moving frame is in transmission connection with the third meshing tooth.

[0008] As a further solution of the present invention, the drive assembly includes a drive component and an adjustable transmission component, the drive component includes a drive member, a first transmission pipe and a driven gear, the driven gear is fixedly connected to the first transmission pipe, the drive member is in transmission connection with the driven gear, the adjustable transmission component includes a first transmission rod, a first straight gear, a second straight gear, a first telescopic member and a bent plate, the first straight gear and the second straight gear are both fixedly connected to the first transmission rod, the first transmission rod is movably sleeved in the first transmission pipe, one end of the bent plate is movably sleeved on the surface of the first transmission rod, the other end of the bent plate is fixedly connected to the first telescopic member, the first transmission member and the second transmission member are both in transmission connection with the first straight gear, and the rotating component is in transmission connection with the second straight gear.

[0009] The beneficial effects of the present invention are as follows: on the one hand, it can adjust the radial positions of the moving wheels and the laser welding head according to the inner diameter of the wind power tower barrel; on the other hand, it can control the moving wheels to move along the inner wall of the wind power tower barrel to the connection position, and can also control the laser welding head to perform welding along the circular track of the connection position. It has the characteristics of ingenious structural cooperation, convenient adjustment, wide application range and automatic welding of multiple connection positions along the axis of the wind power tower barrel. Description of the drawings

[0010] Figure 1 It is the first three-dimensional view of the present invention.

[0011] Figure 2 It is the exploded view of the present invention.

[0012] Figure 3 This is a three-dimensional view of the framework in the embodiment of the present invention.

[0013] Figure 4 This is an exploded view of the drive assembly in the embodiment of the present invention.

[0014] Figure 5 This is an exploded view of the welding assembly in the embodiment of the present invention.

[0015] Figure 6 This is a three-dimensional view of the first transmission part in the embodiment of the present invention.

[0016] Figure 7 This is a three-dimensional view of the second transmission part in the embodiment of the present invention.

[0017] Figure 8 This is an exploded view of the moving assembly in the embodiment of the present invention.

[0018] Figure 9 This is the second three-dimensional view of the present invention.

[0019] Figure 10 This is a sectional view of the invention.

[0020] Figure 11 This is a partial enlarged view when the first limiting tooth and the second meshing tooth of the embodiment of the present invention are meshed.

[0021] Figure 12 This is a partial enlarged view when the second meshing teeth of the embodiment of the present invention are distributed between the first limiting tooth and the second limiting tooth.

[0022] Figure 13 This is a partial enlarged view when the second limiting tooth and the second meshing tooth of the embodiment of the present invention are meshed.

[0023] Figure 14 This is the first plan view of the present invention welded from the inner side of the wind power tower barrel.

[0024] Figure 15 This is the second plan view of the present invention welded from the inner side of the wind power tower barrel.

[0025] Figure 16 This is a three-dimensional view of the present invention welded from the outer side of the wind power tower barrel.

[0026] Figure 17 This is the present invention Figure 16 A partial enlarged view at position a in.

[0027] Reference numerals: 1 - framework, 11 - fixed pipe, 12 - fixed disk, 13 - fixed joint, 14 - through hole, 15 - annular guide rail, 16 - linear guide rail, 2 - drive assembly, 21 - drive component, 211 - drive member, 212 - first transmission pipe, 213 - driven gear, 22 - adjustable transmission component, 221 - first transmission rod, 222 - first spur gear, 223 - second spur gear, 224 - first telescopic member, 225 - bent plate, 226 - moving rod, 227 - first limit tooth, 228 - second limit tooth, 3 - welding assembly, 31 - welding component, 311 - second telescopic member, 312 - moving frame, 313 - laser welding head, 314 - first rotating shaft, 315 - CCD camera module, 32 - rotating component, 321 - rotating cylinder, 322 - third spur gear, 323 - fixed frame, 324 - flexible wire, 325 - rotating joint, 4 - first transmission member, 41 - first helical gear, 42 - fourth spur gear, 5 - second transmission member, 51 - first meshing tooth, 52 - arc guide rail, 53 - second meshing tooth, 6 - moving assembly, 61 - radial moving part, 611 - radial moving frame, 612 - movable pin, 613 - clamping block, 62 - radial transmission part, 621 - second transmission pipe, 622 - second helical gear, 623 - second transmission rod, 624 - third helical gear, 63 - moving wheel, 631 - third meshing tooth, 632 - second rotating shaft, 7 - clamping mechanism, 71 - arc bushing, 72 - annular housing, 73 - radial block, 8 - wind power tower barrel. Detailed implementation manners

[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] The following describes in detail the specific implementation of the present invention in conjunction with specific embodiments.

[0030] Please refer to Figures 1 to 17 , in an embodiment of the present invention, a laser welding device for assembling and constructing a wind power tower barrel includes a framework 1 and a clamping mechanism 7. The clamping mechanism 7 is used for clamping the wind power tower barrel 8. A linear guide rail 16 is arranged on the surface of the framework 1. The device further includes: A drive assembly 2 fixedly connected to the framework 1; The welding assembly 3 includes a welding component 31 and a rotating component 32. The welding component 31 includes a second telescopic member 311, a mobile frame 312, a laser welding head 313 and a CCD camera module 315. The mobile frame 312 is fixedly connected to the second telescopic member 311. The second telescopic member 311 is arranged on the surface of the rotating component 32. The rotating component 32 is rotatably connected to the skeleton 1. The laser welding head 313 is connected to the mobile frame 312. The CCD camera module 315 is fixedly connected to the laser welding head 313. A first transmission member 4 and a second transmission member 5 are rotatably connected to the frame 1, the rotating assembly 32, the first transmission member 4 and the second transmission member 5 are all in transmission connection with the driving assembly 2, and an arc guide rail 52 is provided on the surface of the second transmission member 5; The moving assembly 6 includes a radial moving part 61, a radial transmission part 62 and a moving wheel 63. The radial moving part 61 includes a radial moving frame 611 and a movable pin 612. The radial moving frame 611 and the movable pin 612 are fixedly connected. The movable pin 612 is simultaneously slidably connected in the arc guide rail 52 and the linear guide rail 16. The radial transmission part 62 is connected between the radial moving frame 611 and the skeleton 1. The first transmission member 4 is transmission-connected to one end of the radial moving frame 611. A second rotating shaft 632 is fixedly connected between the two moving wheels 63. The second rotating shaft 632 is rotationally connected to the radial moving frame 611. A third meshing tooth 631 is provided on the inner end surface of one of the moving wheels 63. The other end of the radial moving frame 611 is transmission-connected to the third meshing tooth 631. It should be noted that the radius of the moving wheel 63 is not less than the height of the ribs or flanges inside the tower, so that the moving wheel 63 can smoothly cross the ribs.

[0031] See also Figure 1 , Figure 3 , Figure 9 and Figure 10 Further, the skeleton 1 includes a fixed tube 11, a fixed disk 12, a fixed joint 13, a through hole 14 and an annular guide rail 15, the two fixed disks 12 are fixedly connected to the fixed tube 11, the fixed joint 13 is fixedly connected to one end of the fixed tube 11, the surface of the fixed disk 12 is provided with a linear guide rail 16, a through hole 14 and an annular guide rail 15, the first transmission rod 221 passes through the through hole 14, the first transmission member 4 is rotatably connected to the outside of the fixed tube 11, the second transmission member 5 is rotatably connected in the annular guide rail 15, the driving member 211 and the first telescopic member 224 are both fixedly connected to the fixed disk 12, the surface of the fixed disk 12 is provided with a first bracket and a second bracket, the radial transmission part 62 is connected to the first bracket, and the first transmission tube 212 is connected to the second bracket.

[0032] See also Figure 1 , Figure 5, Figure 9 and Figure 10 , further, the rotating assembly 32 includes a rotating cylinder 321, a third spur gear 322, a fixing bracket 323, a flexible wire 324, and a rotating joint 325. The rotating cylinder 321 is rotatably connected to the inside of the fixed tube 11. The third spur gear 322, the fixing bracket 323, and the rotating joint 325 are all fixedly connected to the rotating cylinder 321. The second spur gear 223 is in transmission connection with the third spur gear 322. The second telescopic member 311 is fixedly connected to the fixing bracket 323. The moving frame 312 is slidably connected to the fixing bracket 323. The flexible wire 324 is connected between the laser welding head 313 and the rotating joint 325. The rotating joint 325 is rotatably connected to the fixed joint 13. The fixed joint 13 is connected to the control device through a wire. Specifically, the fixed end of the second telescopic member 311 is fixedly connected to the fixing bracket 323, and the telescopic end of the second telescopic member 311 is fixedly connected to the moving frame 312.

[0033] Please refer to Figure 6 and Figure 11 , further, the first transmission member 4 is fixedly connected with a first helical gear 41 and a fourth spur gear 42 on its surface. The second transmission member 5 is provided with a first engaging tooth 51 and a second engaging tooth 53 on its surface. The fourth spur gear 42 and the first engaging tooth 51 are both in transmission connection with the first spur gear 222.

[0034] Please refer to Figures 8 to 13 , further, the radial transmission part 62 includes a second transmission tube 621, a second helical gear 622, a second transmission rod 623, and a third helical gear 624. The second transmission tube 621 is connected to the first bracket. The radial moving frame 611 is connected to the second transmission rod 623. The second transmission rod 623 is movably sleeved in the second transmission tube 621. The second transmission tube 621 and the second transmission rod 623 are respectively fixedly connected with a second helical gear 622 and a third helical gear 624 on their surfaces. The first helical gear 41 is in transmission connection with the second helical gear 622. The third engaging tooth 631 is in transmission connection with the third helical gear 624.

[0035] Please refer to Figure 16 , further, the clamping mechanism 7 includes an arc-shaped bushing 71, an annular housing 72, and a radial block 73. The arc-shaped bushing 71 is used for clamping the wind power tower barrel 8. The radial block 73 is fixedly connected to the surface of the annular housing 72.

[0036] Please refer to Figure 17 , further, the radial moving part 61 further includes a clamping block 613. The movable pin 612 is fixedly connected to the clamping block 613. The clamping block 613 is in sliding contact with the radial block 73.

[0037] Please refer to Figure 5, Further, the welding assembly 31 further includes a first rotating shaft 314, the laser welding head 313 is fixedly connected to the first rotating shaft 314, and the first rotating shaft 314 is rotatably connected to the moving frame 312.

[0038] In the embodiment of the present invention, refer to the attached Figure 16 , when the joints or connections of the wind power tower barrel 8 need to be welded from the outside, first place the skeleton 1 flat on the surface of the annular housing 72, then rotate the skeleton 1 so that the clamping block 613 is aligned with the radial block 73, and then use the first telescopic member 224 to drive the first spur gear 222 to be in transmission connection with the first meshing tooth 51. Use the driving member 211 to control the radial moving frame 611, the movable pin 612, the second transmission rod 623 and the moving wheel 63 to move radially along the linear guide rail 16, so that the radial block 73 is inserted into the clamping block 613, and then used to fix the welding device under the wind power tower barrel 8. Manually adjust the angle of the laser welding head 313 with the first rotating shaft 314 as the axis, and use the second telescopic member 311 to control the horizontal movement of the moving frame 312 and the laser welding head 313, so as to align the laser welding head 313 with the connection. Immediately afterwards, use the drive system to control the rotation of the wind power tower barrel 8 in the arc-shaped bushing 71 (refer to CN117206770B - A welding assistance device for wind power tower barrel joints), and the laser welding head 313 can weld the rotating wind power tower barrel 8. When welding another connection, use a propulsion device or a traction device to control the movement of the wind power tower barrel 8 in several arc-shaped bushings 71.

[0039] Please refer to Figure 1 , Figure 4 , Figure 9 and Figure 10, in an embodiment of the present invention, the drive assembly 2 includes a drive component 21 and an adjustable transmission component 22. The drive component 21 includes a drive member 211, a first transmission pipe 212, and a driven gear 213. The driven gear 213 is fixedly connected to the first transmission pipe 212, and the drive member 211 is in transmission connection with the driven gear 213. The adjustable transmission component 22 includes a first transmission rod 221, a first spur gear 222, a second spur gear 223, a first telescopic member 224, and a bent plate 225. The first spur gear 222 and the second spur gear 223 are both fixedly connected to the first transmission rod 221. The first transmission rod 221 is movably sleeved in the first transmission pipe 212. One end of the bent plate 225 is movably sleeved on the surface of the first transmission rod 221, and the other end of the bent plate 225 is fixedly connected to the first telescopic member 224. The first transmission member 4 and the second transmission member 5 are both in transmission connection with the first spur gear 222, and the rotating component 32 is in transmission connection with the second spur gear 223. Limiting grooves are provided on the inner walls of the first transmission pipe 212 and the second transmission pipe 621, and limiting ribs are provided on the surfaces of the first transmission rod 221 and the second transmission rod 623. The limiting ribs are slidably connected to the limiting grooves. The rotating first transmission pipe 212 and the second transmission pipe 621 drive the first transmission rod 221 and the second transmission rod 623 to rotate respectively through the limiting grooves and the limiting ribs. The first telescopic member 224 and the second telescopic member 311 are both electric telescopic rods. Specifically, the fixed end of the first telescopic member 224 is fixedly connected to the fixed disk 12, and the telescopic end of the first telescopic member 224 is fixedly connected to the bent plate 225.

[0040] Please refer to Figure 4 , further, the adjustable transmission component 22 further includes a moving rod 226, a first limiting tooth 227, and a second limiting tooth 228. The moving rod 226 is fixedly connected to the bent plate 225, and the first limiting tooth 227 and the second limiting tooth 228 are provided on the surface of the moving rod 226.

[0041] In an embodiment of the present invention, when the first limiting tooth 227 meshes with the second meshing tooth 53, the fourth spur gear 42 is in transmission connection with the first spur gear 222, and the first spur gear 222 and the second spur gear 223 are disengaged from the first meshing tooth 51 and the third spur gear 322 respectively; When the second meshing tooth 53 is distributed between the first limiting tooth 227 and the second limiting tooth 228, the first spur gear 222 and the second spur gear 223 are disengaged from the fourth spur gear 42 and the third spur gear 322 respectively, and the first meshing tooth 51 is disengaged from the first spur gear 222; When the second limiting tooth 228 meshes with the second meshing tooth 53, both the fourth spur gear 42 and the first meshing tooth 51 are disengaged from the first spur gear 222, and the second spur gear 223 is in transmission connection with the third spur gear 322.

[0042] Working principle: On the basis of clamping the wind power tower barrel 8 by using the arc-shaped bushing 71, referring to Appendix Figure 14 and 15 , when the joints or connections of the wind power tower barrel 8 need to be welded from the inside, first place the skeleton 1 into the wind power tower barrel 8 from the end, referring to Appendix Figure 12 , then use the control device to control the first telescopic member 224. The first telescopic member 224 drives the moving rod 226 and the first transmission rod 221 to move through the bent plate 225, so that the first straight gear 222 is in transmission connection with the first meshing tooth 51. Then, the driving member 211 controls the rotation of the first transmission pipe 212 and the first transmission rod 221 through the driven gear 213. The rotating first transmission rod 221 controls the second transmission member 5 to rotate a certain angle through the first straight gear 222 and the first meshing tooth 51. The rotating second transmission member 5 controls the radial moving frame 611, the movable pin 612, the second transmission rod 623 and the moving wheel 63 to move radially along the linear guide rail 16 by using the arc-shaped guide rail 52 and the sliding connection of the movable pin 612, so as to control the three groups of moving wheels 63 to support on the inner wall of the wind power tower barrel 8; Referring to Appendix Figure 11 , then use the first telescopic member 224 to control the first straight gear 222 to be in transmission connection with the fourth straight gear 42. At this time, the first limit tooth 227 meshes with the second meshing tooth 53 to prevent the second transmission member 5 from rotating or preventing the radial movement of the moving wheel 63. The driving member 211 controls the rotation of the first transmission member 4 through the first straight gear 222 and the fourth straight gear 42. The rotating first transmission member 4 controls the rotation of the second transmission pipe 621 and the second transmission rod 623 through the first helical gear 41 and the second helical gear 622. The rotating second transmission rod 623 controls the rotation of the moving wheel 63 and the second rotating shaft 632 through the third helical gear 624 and the third meshing tooth 631. The rotating moving wheel 63 can move along the inner wall of the wind power tower barrel 8. The displacement sensor and other ranging or positioning modules are used to monitor the position of the laser welding head 313 in real time, so that the moving wheel 63 or the laser welding head 313 can be controlled to move or stop accurately along the axis of the wind power tower barrel 8 according to the length of the wind power tower barrel 8 or the position parameters of the connection; Referring to Appendix Figure 13 , then use the first telescopic member 224 to control the second straight gear 223 to be in transmission connection with the third straight gear 322. At this time, the second limit tooth 228 meshes with the second meshing tooth 53. Use the second telescopic member 311 to control the radial movement of the moving frame 312 and the laser welding head 313 to adjust the distance between the laser welding head 313 and the connection. The driving member 211 controls the rotation of the rotating cylinder 321 and the welding assembly 31 through the second straight gear 223 and the third straight gear 322, so as to control the laser welding head 313 to perform circular welding along the cross section of the wind power tower barrel 8. The CCD camera module 315 is also used to collect the weld image, and the control device is used to analyze the welding quality according to the weld image.

[0043] In summary, the present application utilizes the structural design in which the skeleton 1, the welding assembly 3, the first transmission member 4, the second transmission member 5 and the moving assembly 6 cooperate with each other. On the one hand, it can adjust the radial positions of the moving wheels 63 and the laser welding head 313 according to the inner diameter of the wind power tower barrel 8. On the other hand, it can control the moving wheels 63 to move along the inner wall of the wind power tower barrel 8 to the connection part, and can also control the laser welding head 313 to perform welding along the annular track of the connection part. It has the characteristics of ingenious structural cooperation, easy adjustment, wide application range and continuous welding of multiple connection parts along the axis of the wind power tower barrel 8.

[0044] For those skilled in the art, although several embodiments and examples of the present invention have been described, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the gist of the invention.

[0045] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A laser welding device for wind power tower assembly and construction, comprising a frame (1) and a clamping mechanism (7), wherein the clamping mechanism (7) is used to clamp the wind power tower (8), and a linear guide rail (16) is arranged on the surface of the frame (1), characterized in that: Also includes: A drive assembly (2) fixedly connected to the frame (1); A welding assembly (3), wherein the welding assembly (3) comprises a welding component (31) and a rotating component (32), wherein the welding component (31) comprises a second telescopic member (311), a movable frame (312), a laser welding head (313) and a CCD camera module (315), wherein the movable frame (312) is fixedly connected to the second telescopic member (311), the second telescopic member (311) is arranged on the surface of the rotating component (32), the rotating component (32) is rotatably connected to the frame (1), the laser welding head (313) is connected to the movable frame (312), and the CCD camera module (315) is fixedly connected to the laser welding head (313); A first transmission member (4) and a second transmission member (5) are rotatably connected to the frame (1); the rotating assembly (32), the first transmission member (4) and the second transmission member (5) are all in transmission connection with the drive assembly (2); and a curved guide rail (52) is provided on the surface of the second transmission member (5); The movable assembly (6) comprises a radial movable part (61), a radial transmission part (62) and a movable wheel (63); the radial movable part (61) comprises a radial movable frame (611) and a movable pin (612); the radial movable frame (611) and the movable pin (612) are fixedly connected; the movable pin (612) is simultaneously slidably connected in the arc guide rail (52) and the linear guide rail (16); the radial transmission part (62) is connected to the radial movable frame (611) and the movable pin (612); Between the movable frame (611) and the skeleton (1), the first transmission member (4) is transmission-connected to one end of the radial movable frame (611), a second rotating shaft (632) is fixedly connected between the two movable wheels (63), the second rotating shaft (632) is rotationally connected to the radial movable frame (611), a third meshing tooth (631) is provided on the inner end surface of one of the movable wheels (63), and the other end of the radial movable frame (611) is transmission-connected to the third meshing tooth (631).

2. A laser welding device for wind power tower assembly construction according to claim 1, characterized in that: The drive assembly (2) comprises a drive component (21) and an adjustable transmission component (22); the drive component (21) comprises a drive member (211), a first transmission tube (212) and a driven gear (213); the driven gear (213) is fixedly connected to the first transmission tube (212); the drive member (211) is transmission-connected to the driven gear (213); the adjustable transmission component (22) comprises a first transmission rod (221), a first spur gear (222), a second spur gear (223), a first telescopic member (224) and a bent plate (22 5), the first spur gear (222) and the second spur gear (223) are both fixedly connected to the first transmission rod (221), the first transmission rod (221) is movably sleeved in the first transmission tube (212), one end of the bent plate (225) is movably sleeved on the surface of the first transmission rod (221), the other end of the bent plate (225) is fixedly connected to the first telescopic member (224), the first transmission member (4) and the second transmission member (5) are both transmission-connected to the first spur gear (222), and the rotating assembly (32) is transmission-connected to the second spur gear (223).

3. A laser welding device for wind power tower assembly construction according to claim 2, characterized in that: The skeleton (1) comprises a fixed tube (11), a fixed disk (12), a fixed joint (13), a through hole (14) and an annular guide rail (15); the two fixed disks (12) are fixedly connected to the fixed tube (11); the fixed joint (13) is fixedly connected to one end of the fixed tube (11); a linear guide rail (16), a through hole (14) and an annular guide rail (15) are arranged on the surface of the fixed disk (12); the first transmission rod (221) passes through the through hole (14); the first transmission member (4) is rotatably connected to the outside of the fixed tube (11); the second transmission member (5) is rotatably connected to the inside of the annular guide rail (15); the driving member (211) and the first telescopic member (224) are fixedly connected to the fixed disk (12); a first bracket and a second bracket are arranged on the surface of the fixed disk (12); the radial transmission part (62) is connected to the first bracket; and the first transmission tube (212) is connected to the second bracket.

4. A laser welding device for wind power tower assembly construction according to claim 3, characterized in that: The rotating assembly (32) comprises a rotating drum (321), a third spur gear (322), a fixed frame (323), a flexible wire (324) and a rotating joint (325); the rotating drum (321) is rotatably connected to the inner side of the fixed tube (11); the third spur gear (322), the fixed frame (323) and the rotating joint (325) are all fixedly connected to the rotating drum (321); the second spur gear (223) is transmission-connected to the third spur gear (322); the second telescopic member (311) is fixedly connected to the fixed frame (323); the movable frame (312) is slidably connected to the fixed frame (323); the flexible wire (324) is connected between the laser welding head (313) and the rotating joint (325); the rotating joint (325) is rotatably connected to the fixed joint (13); and the fixed joint (13) is connected to a control device via a wire.

5. A laser welding device for wind power tower assembly construction according to claim 4, characterized in that: A first bevel gear (41) and a fourth spur gear (42) are fixedly connected on the surface of the first transmission member (4), a first meshing tooth (51) and a second meshing tooth (53) are provided on the surface of the second transmission member (5), and the fourth spur gear (42) and the first meshing tooth (51) are both in transmission connection with the first spur gear (222).

6. A laser welding device for wind power tower assembly construction according to claim 5, characterized in that: The radial transmission part (62) comprises a second transmission tube (621), a second bevel gear (622), a second transmission rod (623) and a third bevel gear (624); the second transmission tube (621) is connected to the first bracket; the radial movable bracket (611) is connected to the second transmission rod (623); the second transmission rod (623) is movably sleeved in the second transmission tube (621); the second bevel gear (622) and the third bevel gear (624) are fixedly connected to the surfaces of the second transmission tube (621) and the second transmission rod (623) respectively; the first bevel gear (41) is transmission-connected to the second bevel gear (622); the third meshing tooth (631) is transmission-connected to the third bevel gear (624).

7. A laser welding device for wind power tower assembly construction according to claim 5, characterized in that: The adjustable transmission assembly (22) further comprises a moving rod (226), a first limiting tooth (227) and a second limiting tooth (228); the moving rod (226) is fixedly connected to the bent plate (225); the surface of the moving rod (226) is provided with the first limiting tooth (227) and the second limiting tooth (228); when the first limiting tooth (227) is meshed with the second meshing tooth (53), the fourth spur gear (42) is transmission-connected with the first spur gear (222); the first spur gear (222) and the second spur gear (223) are disengaged from the first meshing tooth (51) and the third spur gear (322) respectively; When the second meshing tooth (53) is distributed between the first limiting tooth (227) and the second limiting tooth (228), the first spur gear (222) and the second spur gear (223) are disengaged from the fourth spur gear (42) and the third spur gear (322) respectively, and the first meshing tooth (51) is disengaged from the first spur gear (222); When the second limiting tooth (228) meshes with the second meshing tooth (53), the fourth spur gear (42) and the first meshing tooth (51) are both disengaged from the first spur gear (222), and the second spur gear (223) is transmission-connected with the third spur gear (322).

8. The laser welding device for wind power tower assembly construction according to claim 1 is characterized in that: The clamping mechanism (7) comprises an arc-shaped bushing (71), an annular shell (72) and a radial block (73); the arc-shaped bushing (71) is used to clamp the wind power tower (8); and the surface of the annular shell (72) is fixedly connected with the radial block (73).

9. A laser welding device for wind power tower assembly construction according to claim 8, characterized in that: The radial moving part (61) further comprises a clamping block (613), the movable pin (612) is fixedly connected to the clamping block (613), and the clamping block (613) is in sliding contact with the radial block (73).

10. A laser welding device for wind power tower assembly construction according to claim 1, characterized in that: The welding assembly (31) further comprises a first rotating shaft (314), the laser welding head (313) is fixedly connected to the first rotating shaft (314), and the first rotating shaft (314) is rotatably connected to the moving frame (312).

Images