Tower drum flange welding system based on wind driven generator

Abstract

The invention is suitable for the technical field of welding, and provides a tower drum flange welding system based on a wind driven generator, which comprises a welding assembly, a positioning assembly is in sliding fit with the welding assembly, and the welding assembly comprises a mounting piece, a welding piece fixedly connected to the mounting piece and a tower drum supporting piece fixedly mounted on the mounting piece. The positioning assembly comprises a flange piece and two side supporting pieces, the flange piece is arranged on the installation piece in a sliding fit mode, and the two side supporting pieces are arranged on the flange piece in a relative sliding fit mode. The technical problems that in the prior art, an external tool is mostly needed to conduct coaxial butt joint operation on a fan tower cylinder and a tower cylinder flange before welding, the coaxial butt joint process between the fan tower cylinder and the tower cylinder flange is too tedious, and later welding operation between the fan tower cylinder and the tower cylinder flange is inconvenient for workers are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of welding technology, more particularly, it relates to a kind of tower flange welding system based on wind driven generator. BACKGROUND

[0002] Wind power generation refers to the kinetic energy of wind into electric energy. The principle of wind power generation is to use wind to drive windmill blades to rotate, and then use speed increaser to improve the speed of rotation to promote generator to generate electricity. In wind power generation, wind turbine tower is needed, which is the tower of wind power generation. It mainly plays a supporting role in wind power generation unit and absorbs unit vibration. During the production of wind turbine tower, welding mechanism is needed to weld the butt joint between wind turbine tower and tower flange.

[0003] At present, the tower flange welding system of wind driven generator on the market has the following technical problems when welding the butt joint between wind turbine tower and tower flange: The existing tower flange welding system of wind driven generator needs to use external tools to perform coaxial butt joint operation on wind turbine tower and tower flange before welding, which makes the coaxial butt joint process between wind turbine tower and tower flange too complicated and inconvenient for workers to perform subsequent welding operation between wind turbine tower and tower flange. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application aims to provide a tower flange welding system based on wind driven generator, which can complete the coaxial butt joint process between wind turbine tower and tower flange by the gravity of wind turbine tower itself, without the need for additional operation steps, simplifying the coaxial butt joint process between wind turbine tower and tower flange, and facilitating subsequent welding operation between wind turbine tower and tower flange.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A tower flange welding system based on wind driven generator, comprising a welding assembly, a positioning assembly is slidably connected to the welding assembly, the welding assembly comprises a mounting piece, a welding piece fixedly connected to the mounting piece, and a tower support piece fixedly installed on the mounting piece, the positioning assembly comprises a flange piece slidably connected to the mounting piece, and two side support pieces slidably connected to the flange piece.

[0006] The mounting piece comprises an installation plate, and two convex grooves are symmetrically arranged on the top of the installation plate.

[0007] The tower cylinder support piece comprises a bottom plate fixedly installed inside the convex channel, a plurality of groups of vertical rods are fixed on the top of the bottom plate, symmetrically two U-shaped sliding plates are slidingly matched between the plurality of groups of vertical rods, symmetrically two T-shaped plates are fixed on the inner wall of the U-shaped sliding plate, the T-shaped plate is slidingly matched with the vertical rod, an arc-shaped support plate is fixed on one side of the T-shaped plate, a first abutting column is fixed on the bottom of the arc-shaped support plate, a first spring is fixed between the T-shaped plate and the bottom plate and is sleeved and matched on the vertical rod, and a first pressing rod is fixed on the outer side face of the two U-shaped sliding plates.

[0008] The flange piece comprises a sliding plate slidingly matched between the two convex channels, L-shaped side plates are fixed on the opposite side faces of the sliding plate, and inclined sliding grooves slidingly matched on the first pressing rod are formed in the outer side faces of the two L-shaped side plates.

[0009] The bottom plate is further provided with two T-shaped fixed rails fixedly connected to the two convex channels, and the top of the bottom plate is fixedly connected to symmetrically two baffle plates, and the opposite side faces of the two baffle plates are fixedly connected to sliding rods.

[0010] The outer side faces of the two L-shaped side plates below the inclined sliding grooves are each provided with a horizontal groove slidingly matched in the sliding rod.

[0011] The bottom of the sliding plate is fixedly connected to two T-shaped sliding rails slidingly matched in the two convex channels.

[0012] The top of the sliding plate is further provided with symmetrically two hinged seats, the two hinged seats are each hingedly connected to an L-shaped hinged plate, the opposite side faces of the two L-shaped hinged plates are each fixedly connected to a circular ring, the outer wall of the circular ring is fixedly connected to a second abutting column, and the inner wall of the circular ring is provided with a mounting groove.

[0013] The top of the sliding plate is fixedly connected to symmetrically two arc-shaped positioning rods, the end faces of the two arc-shaped positioning rods are each threadedly connected to a limiting circular plate, the two arc-shaped positioning rods are each slidingly matched with the two L-shaped hinged plates, and the arc-shaped spring sleeved and matched on the arc-shaped positioning rod is fixed between the inner wall of the L-shaped hinged plate and the top of the sliding plate.

[0014] The inner wall of the two L-shaped side plates close to the outer top is further fixedly connected to a U-shaped plate, and the inner wall of the two U-shaped plates is each fixedly connected to a guide cross rod.

[0015] The side support piece comprises a H-shaped sliding block slidingly matched on the U-shaped plate, a guide hole slidingly matched on the guide cross rod is formed in one side of the H-shaped sliding block, and the second spring sleeved and matched on the guide cross rod is fixed between the H-shaped sliding block and the U-shaped plate.

[0016] The outer side face of the two U-shaped sliding plates is further fixedly connected to a second pressing rod.

[0017] The moving plate is fixed on the side of the I-shaped slider, the vertical plate is fixed on the side of the moving plate, the oblique slot penetrating through the side of the vertical plate is slidably matched with the second pressing rod, and the side-adjacent arc-shaped support plate is fixed on the side of the vertical plate.

[0018] The mounting plate is further provided with the lateral plate, the hydraulic telescopic cylinder coaxial with the two circular annular rings is fixed on the side of the lateral plate, the telescopic end of the hydraulic telescopic cylinder penetrates through the lateral plate, and the telescopic end of the hydraulic telescopic cylinder is slidably matched with the lateral plate.

[0019] The telescopic end of the hydraulic telescopic cylinder is further provided with the connecting flange.

[0020] The welding part comprises the fixed flange fixed on the connecting flange, the connecting inclined plates are fixed on the circumferential side of the fixed flange, the positioning annular ring coaxial with the two circular annular rings is fixed on the end of the connecting inclined plates.

[0021] The rotating ring coaxial with the two circular annular rings is further provided on the inner wall of the positioning annular ring, the welding machine is fixed on one end of the rotating ring, and the slave gear ring coaxial with the two circular annular rings is fixed on the opposite end of the rotating ring.

[0022] The motor mounting side plate is fixed on the circumferential side of the fixed flange, the servo motor is fixed on the side of the motor mounting side plate, and the main gear ring engaged with the slave gear ring is fixed on the output shaft of the servo motor.

[0023] The advantages of the present application are as follows: 1. The two first pressing rods slide on the two inclined sliding grooves, respectively, to drive the sliding plate to move towards the end of the fan tower tube in the two convex grooves, so that the entire flange and the tower tube flange positioned in the flange are synchronously moved towards the end of the fan tower tube, and the coaxial butt joint process between the fan tower tube and the tower tube flange is completed by the gravity of the fan tower tube itself, without the need for additional operation steps, thereby simplifying the coaxial butt joint process between the fan tower tube and the tower tube flange and facilitating the subsequent welding operation between the fan tower tube and the tower tube flange.

[0024] 2, The application generates a downward force on the two circular annular gaps through the gravity of the tower flange, so that the two L-shaped hinged plates are synchronously hinged and rotated to approach each other in the two hinged seats until the bottoms of the second abutments fixed on the outer walls of the two circular annular gaps and the top of the sliding plate are in close contact, the supporting and positioning of the tower flange is completed, and no other external positioning tool is needed in the whole process, so that the positioning and supporting of the tower flange to be welded are realized, the positioning and supporting process before welding is simplified, and certain convenience is provided for the butt joint operation and welding operation of the fan tower and the tower flange in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the tower flange welding system based on the wind driven generator.

[0026] Figure 2 It is a structural schematic view of the welding assembly.

[0027] Figure 3 It is a structural schematic view of the positioning assembly.

[0028] Figure 4 It is a structural schematic view of the installation piece.

[0029] Figure 5 It is a structural schematic view of the welding piece.

[0030] Figure 6 It is a side view of the welding piece.

[0031] Figure 7 It is a structural schematic view of the tower supporting piece.

[0032] Figure 8 It is a structural schematic view of the flange piece.

[0033] Figure 9 It is a top view of the flange piece.

[0034] Figure 10 It is a structural schematic view of the side supporting piece.

[0035] Figure 11 It is a side view of the side supporting piece.

[0036] In the figure: 1, welding assembly; 2, positioning assembly; 3, mounting piece; 4, welding piece; 5, tower cylinder support piece; 6, flange piece; 7, side support piece; 301, mounting plate; 302, convex channel; 303, lateral plate; 304, hydraulic telescopic cylinder; 305, connecting flange; 401, fixed flange; 402, connecting inclined plate; 403, positioning ring; 404, rotating ring; 405, welding machine; 406, from tooth ring; 407, motor mounting side plate; 408, servo motor; 409, main tooth ring; 501, bottom plate; 502, vertical rod; 503, U-shaped sliding plate; 504, T-shaped plate; 505, arc-shaped support plate; 506, first stop post; 507, first spring; 508, first pressing rod; 509, T-shaped fixed rail; 510, baffle; 511, sliding rod; 512, second pressing rod; 601, sliding plate; 602, L-shaped side plate; 603, inclined sliding groove; 604, horizontal groove; 605, T-shaped sliding rail; 606, hinged seat; 607, L-shaped hinged plate; 608, circular segment ring; 609, second stop post; 610, installation groove; 611, arc-shaped positioning rod; 612, limiting round plate; 613, arc-shaped spring; 614, U-shaped plate; 615, guide cross rod; 701, I-shaped sliding block; 702, guide hole; 703, second spring; 704, moving plate; 705, vertical plate; 706, inclined groove; 707, side arc-shaped support plate. DETAILED DESCRIPTION

[0037] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0038] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled in the art to which the present application belongs.

[0039] In the present application, unless otherwise specified, the orientation such as "upper", "lower" is generally directed to the direction shown in the drawings, or is directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left", "right" is generally directed to the left and right shown in the drawings; "inner", "outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0040] Embodiment one, please refer to Figures 1-11 The present application provides the following technical solutions: The utility model provides a kind of tower flange welding system based on wind driven generator, specifically, including welding assembly 1, and welding assembly 1 is slidably fitted with positioning assembly 2, welding assembly 1 includes mounting piece 3, welding piece 4 fixedly connected on mounting piece 3 and tower support piece 5 fixedly installed on mounting piece 3, and positioning assembly 2 includes flange piece 6 slidably fitted on mounting piece 3 and two opposite side support pieces 7 slidably fitted on flange piece 6;Mounting piece 3 includes mounting plate 301, and the top of mounting plate 301 is fixed with the two convex grooves 302 of symmetrical arrangement;Tower support piece 5 includes bottom plate 501 fixedly installed in convex groove 302 inside, and the top of bottom plate 501 is fixed with several groups of vertical rods 502, and the sliding fit of several groups of vertical rods 502 is symmetrically two U-shaped sliding plates 503, and the inner wall of U-shaped sliding plate 503 is fixed with the two T-shaped plates 504 of symmetry, T-shaped plate 504 is slidably fitted with vertical rod 502, and the side of T-shaped plate 504 is fixed with arc support plate 505, and the bottom of arc support plate 505 is fixed with first abutment column 506, and the first spring 507 of sleeve fit on vertical rod 502 is fixed between T-shaped plate 504 and bottom plate 501, and the first pressure rod 508 is fixed on the opposite side face of two U-shaped sliding plates 503;Flange piece 6 includes sliding plate 601 slidably fitted between the two convex grooves 302, and the opposite side face of sliding plate 601 is fixed with L-shaped side plate 602, and the outer side of two L-shaped side plates 602 is all through and is set with inclined sliding slot 603 slidably fitted on first pressure rod 508.

[0041] The specific application of this embodiment is: when it is necessary to support and position the fan tower drum and the tower drum flange, side support and centring plug-in operation, the fan tower drum is hoisted by the hoisting tool to the directly above the tower drum support 5 (at this time, the positioning and supporting work of the tower drum flange has been completed, and the tower drum flange is finally positioned and supported inside the flange piece 6, and the positioning and supporting process of the tower drum flange is described in embodiment two), then the hoisted fan tower drum is lowered by the hoisting tool, so that the fan tower drum slowly approaches the inner wall of the arc-shaped support plate 505, when the outer circumferential side of the fan tower drum and the inner wall of the arc-shaped support plate 505 are mutually attached, under the action of the gravity of the fan tower drum, the first spring 507 connected and fixed between the T-shaped plate 504 and the bottom plate 501 starts to be compressed, the T-shaped plate 504 slidingly fitted on the plurality of groups of vertical rods 502 simultaneously descends, when the T-shaped plate 504 slidingly fitted on the plurality of groups of vertical rods 502 simultaneously descends, the two U-shaped sliding plates 503 simultaneously press down, and thus drive the first pressing rods 508 respectively fixed on the two outer sides of the two U-shaped sliding plates 503 to slide on the two inclined sliding grooves 603 respectively, so that the two L-shaped side plates 602 simultaneously approach the end of the fan tower drum, drive the sliding plate 601 to approach the end of the fan tower drum inside the two convex grooves 302, and finally make the entire flange piece 6 and the tower drum flange positioned and supported inside the flange piece 6 simultaneously slide and approach the end of the fan tower drum (during the process that the entire flange piece 6 and the tower drum flange positioned and supported inside the flange piece 6 simultaneously slide and approach the end of the fan tower drum, the sliding cooperation between the two horizontal grooves 604, the two convex grooves 302 and the two sliding rods 511, the two T-shaped sliding rails 605 is realized, the horizontal displacement of the sliding rod 511 to the horizontal groove 604 is constrained to ensure that the flange piece 6 linearly slides along the convex groove 302), until the first abutting column 506 fixed at the bottom of the arc-shaped support plate 505 and the top of the bottom plate 501 are mutually attached (before the hoisting and lowering process of the fan tower drum, the first abutting column 506 and the bottom plate 501 are in a non-attached state), the hoisting and lowering process of the fan tower drum is completed, and the end of the fan tower drum completes the butt joint with the tower drum flange after positioning and supporting (the butt joint between the end of the fan tower drum and the tower drum flange after positioning and supporting is shown in the figure, which can be referred to Figure 1 ), during the entire process, only the gravity of the fan tower drum can complete the coaxial butt joint process between the fan tower drum and the tower drum flange, without the need for other additional operation steps, which simplifies the coaxial butt joint process between the fan tower drum and the tower drum flange, and facilitates the later welding operation between the fan tower drum and the tower drum flange.

[0042] Embodiment two, please refer to Figures 1-11The second embodiment is improved on the basis of the first embodiment. Specifically, the bottom of the bottom plate 501 is fixed with two T-shaped fixed rails 509 fixedly connected to the two convex grooves 302, the top of the bottom plate 501 is fixed with two symmetrical baffle plates 510, the side face away from each other of the two baffle plates 510 is fixed with a sliding rod 511; the outer side face of the two L-shaped side plates 602 located below the inclined sliding groove 603 is provided with a horizontal groove 604 slidingly fitted in the sliding rod 511; the bottom of the sliding plate 601 is fixed with two T-shaped sliding rails 605 slidingly fitted in the two convex grooves 302; the top of the sliding plate 601 is fixed with two symmetrical hinge seats 606, the two hinge seats 606 are hingedly fitted with two L-shaped hinge plates 607, the side face of the two L-shaped hinge plates 607 is fixed with a circular ring 608, the outer wall of the two circular rings 608 is fixed with a second stop post 609, and the inner wall of the two circular rings 608 is provided with a placing groove 610; the top of the sliding plate 601 is fixed with two symmetrical arc-shaped positioning rods 611, the end face of the two arc-shaped positioning rods 611 is fixed with a limiting circular plate 612, the two arc-shaped positioning rods 611 are slidingly fitted with the two L-shaped hinge plates 607, and the inner wall of the L-shaped hinge plate 607 and the top of the sliding plate 601 are fixed with an arc-shaped spring 613 sleeved on the arc-shaped positioning rod 611.

[0043] The specific application of the second embodiment is that before supporting and positioning the fan tower drum and the tower drum flange, side support and centring plug-in operation, the bottom plate 501 is fixedly connected above the two convex grooves 302 through the threaded rotary connection between the external bolts and the T-shaped fixed rail 509 and the convex groove 302, and then the fixed installation process between the installation part 3 and the tower drum supporting part 5 is completed, which is convenient for supporting and positioning the fan tower drum and side support in the later stage, so as to carry out the later welding operation. Before welding the wind turbine tower and tower flange, the tower flange is hoisted and vertically positioned directly above the two segmental rings 608 using a hoisting tool. The tower flange is then lowered into the mounting slot 610. The weight of the tower flange exerts a downward pressure on the two segmental rings 608, causing the L-shaped hinge plates 607 fixed to the outer walls of the two segmental rings 608 to simultaneously rotate closer together within the two hinge seats 606. As the two L-shaped hinge plates 607 rotate closer together within the two hinge seats 606, the arc-shaped springs 613 connecting the inner walls of the L-shaped hinge plates 607 to the top of the sliding plate 601 are simultaneously stretched. This causes the two L-shaped hinge plates 607 to slowly slide closer together on the two arc-shaped positioning rods 611 (arc-shaped positioning). The center of rod 611 and the L-shaped hinge plate 607 that rotates hingedly are at the same center. The process continues until the bottom of the second abutment 609, which is fixed to the outer wall of the two missing rings 608, is in contact with the top of the sliding plate 601 (before the tower flange is hoisted, lowered, and positioned, the two missing rings 608 are in a state of mutual expansion, and at this time, the bottom of the second abutment 609 and the top of the sliding plate 601 have a certain angle). The hoisting and lowering process of the tower flange ends, and the two missing rings 608 are spliced ​​together to form a semi-circular ring of 180°. The tower flange is supported and positioned by its own weight. The entire process does not require the use of other external positioning tools to position and support the tower flange that needs to be welded, which simplifies the positioning and support process before welding and provides certain convenience for the subsequent docking and welding operations of the wind turbine tower and tower flange.

[0044] Example 3, please refer to Figures 1-11 This embodiment three is an improvement on embodiment one as follows: Specifically, a U-shaped plate 614 is fixed to the inner wall of the two L-shaped side plates 602 near the outer top, and a guide crossbar 615 is fixed to the inner wall of each of the two U-shaped plates 614; the side support 7 includes an I-shaped slider 701 that slides on the U-shaped plate 614, a guide hole 702 that slides on the guide crossbar 615 through one side of the I-shaped slider 701, and a second spring 703 that is sleeved on the guide crossbar 615 is fixed between the I-shaped slider 701 and the U-shaped plate 614; a second pressure rod 512 is fixed to the outer side of each of the two U-shaped slide plates 503; a moving plate 704 is fixed to the side of the I-shaped slider 701, a vertical plate 705 is fixed to the side of the moving plate 704, an oblique groove 706 that slides on the second pressure rod 512 through the side of the vertical plate 705, and a lateral arc-shaped support plate 707 is fixed to the adjacent side of the vertical plate 705.

[0045] The specific application of this embodiment three is that: in the process of supporting and positioning the fan tower drum and the tower drum flange, lateral support and centering plug-in operation, through the hoisting and lowering process of the fan tower drum, the fan tower drum is lowered under the action of its own gravity, so that the two U-shaped slides 503 are synchronously pressed down, so that the second pressure rod 512 fixed on the outer side of the two U-shaped slides 503 is synchronously slid downward, thereby driving the second pressure rod 512 to slide in the inclined slot 706 on the side of the vertical plate 705, and then the two I-shaped sliding blocks 701 make a linear motion of approaching each other in the two U-shaped plates 614, and when the two I-shaped sliding blocks 701 make a linear motion of approaching each other in the two U-shaped plates 614, the second spring 703 fixedly connected between the I-shaped sliding block 701 and the U-shaped plate 614 is synchronously stretched, thereby providing a buffer force for the relative sliding process of the two I-shaped sliding blocks 701, so that the two I-shaped sliding blocks 701 slowly approach each other in the two U-shaped plates 614, and when the inner wall of the lateral arc-shaped support plate 707 fixed on the adjacent side of the vertical plate 705 is in close contact with the outer circumferential side of the fan tower drum, the hoisting and lowering process of the fan tower drum is synchronously completed, thereby supporting the hoisted and lowered fan tower drum through the gravity of the fan tower drum itself, replacing the process of assisting the lateral support by external tools, simplifying the process of lateral support, and bringing certain convenience to the later welding work of the workers.

[0046] Embodiment four, please refer to Figures 1-11 , this embodiment four is improved on the basis of embodiment one, specifically, the side of the mounting plate 301 is fixed with a lateral plate 303, the side of the lateral plate 303 is fixed with a hydraulic telescopic cylinder 304 coaxially arranged with the two circular annular rings 608, the telescopic end of the hydraulic telescopic cylinder 304 penetrates the lateral plate 303, and the telescopic end of the hydraulic telescopic cylinder 304 is in sliding fit with the lateral plate 303; the telescopic end of the hydraulic telescopic cylinder 304 is fixed with a connecting flange 305; the welding part 4 comprises a fixed flange 401 fixedly connected to the connecting flange 305, a plurality of connecting inclined plates 402 fixedly connected to the fixed flange 401, and a positioning ring 403 coaxially arranged with the two circular annular rings 608; the inner wall of the positioning ring 403 is rotatably connected with a rotating ring 404 coaxially arranged with the two circular annular rings 608, one end of the rotating ring 404 is fixedly connected with a welding machine 405, and the other end of the rotating ring 404 is fixedly connected with a driven gear ring 406 coaxially arranged with the two circular annular rings 608; the fixed flange 401 is fixedly connected with a motor mounting side plate 407, the motor mounting side plate 407 is fixedly connected with a servo motor 408, and the output shaft of the servo motor 408 is fixedly connected with a main gear ring 409 engaged with the driven gear ring 406.

[0047] The specific application of the fourth embodiment is: after the support positioning, side support and centering insertion operation of the fan tower drum and the tower drum flange are completed, the hydraulic telescopic cylinder 304 is started to make the welding piece 4 fixedly connected to the telescopic end of the hydraulic telescopic cylinder 304 approach the connection of the fan tower drum and the tower drum flange synchronously, then the welding machine 405 and the servo motor 408 are started in sequence to make the main gear ring 409 fixed to the output shaft of the servo motor 408 rotate to drive the slave gear ring 406 engaged therewith to rotate synchronously, so that the rotating ring 404 rotates synchronously in the circumferential direction, and the welding operation of the welding machine 405 on the connection of the fan tower drum and the tower drum flange which have been subjected to the support positioning, side support and centering insertion operation is carried out, so as to complete the welding and fixation of the fan tower drum and the tower drum flange.

[0048] Obviously, the above-described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work should belong to the protection scope of the present application.

[0049] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of the features, steps, operations, devices, components and / or combinations thereof.

[0050] It should be noted that the terms "first", "second", and the like used in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0051] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0052] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any improvement and modification made by those skilled in the art without departing from the principles of the present application shall be considered as falling within the protection scope of the present application.

Claims

1. A tower flange welding system based on a wind turbine generator, comprising a welding assembly (1), characterized in that: The welding assembly (1) is slidably fitted with a positioning assembly (2). The welding assembly (1) includes a mounting part (3), a welding part (4) fixedly connected to the mounting part (3), and a tower support part (5) fixedly installed on the mounting part (3). The positioning assembly (2) includes a flange part (6) slidably fitted on the mounting part (3) and two side supports (7) slidably fitted on the flange part (6). The mounting component (3) includes a mounting plate (301), and two symmetrically arranged convex grooves (302) are fixed on the top of the mounting plate (301). The tower support component (5) includes a base plate (501) fixedly installed inside the convex channel (302). Several sets of vertical rods (502) are fixed on the top of the base plate (501). Two symmetrical U-shaped sliding plates (503) are slidably fitted between the sets of vertical rods (502). Two symmetrical T-shaped plates (504) are fixed on the inner wall of the U-shaped sliding plates (503). The T-shaped plates (504) are slidably fitted with the vertical rods (502). An arc-shaped support plate (505) is fixed on one side of the T-shaped plate (504). A first abutment (506) is fixed at the bottom of the arc-shaped support plate (505). A first spring (507) fitted between the T-shaped plate (504) and the base plate (501) is fitted on the vertical rod (502). A first pressure rod (508) is fixed on the opposite outer side of each of the two U-shaped sliding plates (503). The flange (6) includes a sliding plate (601) that is slidably fitted between two convex channels (302). Each of the sliding plates (601) has an L-shaped side plate (602) fixed on one side. Each of the two L-shaped side plates (602) has an oblique groove (603) that is slidably fitted on the first pressure rod (508) through one outer side.

2. The tower flange welding system based on a wind turbine generator according to claim 1, characterized in that: The bottom of the base plate (501) is fixed with two T-shaped fixed rails (509) that are fixedly connected to two convex channels (302). The top of the base plate (501) is fixed with two symmetrical baffles (510). Each of the two baffles (510) has a sliding rod (511) fixed on one side opposite to the other. Both L-shaped side plates (602) have a horizontal groove (604) that is slidably fitted inside the sliding rod (511) on one outer side below the inclined sliding groove (603). The bottom of the sliding plate (601) is fixed with two T-shaped slide rails (605) that are respectively slidably fitted inside the two convex grooves (302).

3. The tower flange welding system based on a wind turbine generator according to claim 2, characterized in that: The top of the sliding plate (601) is fixed with two symmetrical hinge seats (606), and each of the two hinge seats (606) is hinged with an L-shaped hinge plate (607). Each of the two L-shaped hinge plates (607) has a segmental ring (608) fixed on one side opposite to the other. Each of the two segmental rings (608) has a second abutment (609) fixed on its outer wall. Each of the two segmental rings (608) has a mounting groove (610) on its inner wall. The top of the sliding plate (601) is fixed with two symmetrical arc-shaped positioning rods (611). One end face of each of the two arc-shaped positioning rods (611) is threaded with a limiting circular plate (612). The two arc-shaped positioning rods (611) are respectively slidably engaged with two L-shaped hinge plates (607). An arc-shaped spring (613) is fixed between the inner wall of the L-shaped hinge plate (607) and the top of the sliding plate (601) and is sleeved on the arc-shaped positioning rod (611).

4. The tower flange welding system based on a wind turbine generator according to claim 3, characterized in that: A U-shaped plate (614) is fixed to the inner wall of the two L-shaped side plates (602) near the outer top, and a guide crossbar (615) is fixed to the inner wall of the two U-shaped plates (614). The side support (7) includes an I-shaped slider (701) that slides on the U-shaped plate (614). The I-shaped slider (701) has a guide hole (702) that slides on the guide crossbar (615) through one side. A second spring (703) that is sleeved on the guide crossbar (615) is fixed between the I-shaped slider (701) and the U-shaped plate (614).

5. The tower flange welding system based on a wind turbine generator according to claim 4, characterized in that: A second pressure bar (512) is fixed to one of the adjacent outer sides of both U-shaped sliding plates (503); The I-shaped slider (701) has a movable plate (704) fixed on its side, and a vertical plate (705) is fixed on the side of the movable plate (704). The vertical plate (705) has a through-cut inclined groove (706) that slides on the second pressure rod (512). A side arc-shaped support plate (707) is fixed on the adjacent side of the vertical plate (705).

6. The tower flange welding system based on a wind turbine generator according to claim 5, characterized in that: A side plate (303) is fixed to the side of the mounting plate (301). A hydraulic telescopic cylinder (304) is fixed to the side of the side plate (303) and is coaxially arranged with the two circular rings (608). The telescopic end of the hydraulic telescopic cylinder (304) passes through the side plate (303) and the telescopic end of the hydraulic telescopic cylinder (304) slides with the side plate (303).

7. A tower flange welding system based on a wind turbine generator according to claim 6, characterized in that: The hydraulic telescopic cylinder (304) has a connecting flange (305) fixed at its telescopic end. The welded component (4) includes a fixed flange (401) fixedly connected to the connecting flange (305). Several connecting inclined plates (402) are fixed on the periphery of the fixed flange (401). A positioning ring (403) coaxially arranged with the two missing rings (608) is fixed at the end of the several connecting inclined plates (402).

8. The tower flange welding system based on a wind turbine generator according to claim 7, characterized in that: The inner wall of the positioning ring (403) is rotatably fitted with a rotating ring (404) coaxially arranged with the two segmental rings (608). A welding machine (405) is fixed at one end of the rotating ring (404), and a toothed ring (406) coaxially arranged with the two segmental rings (608) is fixed at the other end of the rotating ring (404). The fixed flange (401) has a motor mounting side plate (407) fixed on its periphery, and a servo motor (408) is fixed on the side of the motor mounting side plate (407). The output shaft of the servo motor (408) has a main gear ring (409) that meshes with the driven gear ring (406).

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