Wind power tower cylinder door frame welding support and hoisting device
By designing a welding support and hoisting device for wind turbine tower frames, and utilizing the multi-point limiting of the fixed frame and the support frame, as well as the movement of the threaded pipe, the problem of the wind turbine tower frame being unable to be quickly positioned and hoisted after welding was solved, thus achieving the convenience of rapid welding and hoisting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- WUHAN HUADIAN ENG EQUIP CO LTD
- Filing Date
- 2025-09-30
- Publication Date
- 2026-07-31
AI Technical Summary
In existing technologies, wind turbine tower frame welding cannot be quickly positioned and hoisted after completion, resulting in inconvenience in use.
A welding support and hoisting device for wind turbine tower frame was designed. Through the cooperation of the fixed frame and the support frame, multi-point limiting and fixing between the fixed seat and the support seat is achieved. The rotation of the support frame and the movement of the threaded tube provide support points to facilitate quick alignment and welding. The device is then hoisted by hoisting equipment.
It enables rapid alignment, positioning, welding, and hoisting of the wind turbine tower frame and tower, improving welding efficiency and ease of hoisting.
Smart Images

Figure CN121104513B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of tower frame welding equipment, specifically to welding support and hoisting devices for wind turbine tower frames. Background Technology
[0002] Wind power generation is called wind turbine generator set. A wind turbine generator set can be roughly divided into three parts: wind turbine, generator and tower. After the tower is processed, holes are reserved to facilitate the welding and fixing of the arc-shaped frame later. The frame needs to be fixed to each other through a fixing structure during welding, so as to provide fixation between the frames during welding. The existing fixing structure can only achieve the limiting fixation of the frame, and cannot meet the needs of later hoisting and welding support between the frame and the tower.
[0003] In the prior art, such as the patent document with publication number CN220815895U, a welded anti-deformation support structure for a wind power tower door frame is disclosed. This structure includes a cylinder, a door on the side wall of which is fixedly mounted with a door frame. A welded plate is provided around the door frame, and the welded plate is connected to a support rod via a telescopic assembly. The telescopic assembly includes a first telescopic rod with an external thread at one end away from the inner wall of the cylinder. The first telescopic rod is threadedly connected to a second telescopic rod, and a first prism is engaged with the end of the first telescopic rod. In this technical solution, the welded plate is connected to the support rod via the telescopic assembly, allowing the support structure to adapt to cylinders of different diameters, increasing its applicability and facilitating adjustment. However, while this solution enables adjustment of the support structure, it does not allow for rapid positioning welding between the door frame and the tower after the door frame is welded, causing inconvenience during use. Summary of the Invention
[0004] To address the shortcomings of existing technologies, the present invention aims to provide a welding support and hoisting device for wind turbine tower frames, thereby solving the problems mentioned in the background section. The invention features a novel structure. In use, the fixed frame and the support frame cooperate to achieve multi-point limiting and fixing between the fixed seat and the support seat. Later, the support frame's usage state is adjusted by rotating it via connecting lugs. After rotation, the protrusion moves to one end of the fixed seat or support seat. The protrusion provides a support point between the fixed seat and the tower. The positioning of the protrusion facilitates rapid alignment and limiting of one side of the tower and the fixed seat, facilitating rapid welding between the fixed seat and the tower later.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a wind turbine tower frame welding support and hoisting device, comprising a fixed base, a support base, and a tower. A support assembly is movably installed between the fixed base and the support base. The support assembly includes a support rod with a fixed groove. A fixed column is movably installed inside the fixed groove. A rotating tube is movably installed between the fixed columns. A threaded column is movably installed on the rotating tube. An opening is formed on the threaded column. The rotating tube is movably installed inside the opening. A threaded tube is rotatably installed between the threaded columns.
[0006] Furthermore, bearing seats are fixed at both ends of the threaded column, a threaded rod is fixed on the bearing seat, a rotating helical tube is rotatably mounted on the threaded rod, and a limit post is welded to one end of the rotating helical tube.
[0007] Furthermore, fixed tubes are movably installed at both ends of the support rod, and fixed frames are movably installed at both ends of the fixed tubes. The fixed frames are respectively movably installed on the sides of the fixed base and the support base.
[0008] Furthermore, a rotating seat is rotatably mounted between the fixed tubes, an adjusting screw is fixed on the rotating seat, an adjusting stud is rotatably mounted inside the adjusting screw, and one end of the adjusting stud is rotatably mounted on the fixed frame.
[0009] Furthermore, the rotating seat has a limiting hole that is in contact with the limiting post. A movable rod is welded to the side of the fixed tube, and the movable rod is installed inside the support rod by a tension mechanism.
[0010] Furthermore, a connecting lug is movably installed on the fixed column, and a support frame is welded onto the connecting lug. The support frame is movably installed on the side of the fixed seat and the support seat.
[0011] Furthermore, one end of the support frame has a limiting groove, a fixing block is movably installed inside the limiting groove, a limiting bolt is rotatably installed on the fixing block, and a threaded hole is opened inside the limiting groove.
[0012] Furthermore, one end of the limiting bolt is rotatably installed inside the threaded hole, a protrusion is welded on the fixing block, an installation hole is opened on the protrusion, and a fixing hole is opened inside the limiting groove.
[0013] Furthermore, a support mechanism is fixed inside the fixing hole, and a movable column is fixed at one end of the support mechanism, with one end of the movable column fixed to the fixing block.
[0014] Furthermore, both the fixed base and the support base are curved plates, the tower is movably installed on the side of the fixed base and the support base, and the support rod is welded with lifting lugs on its side.
[0015] The beneficial effects of this invention are: 1. This invention achieves multi-point limiting and fixing between the fixed seat and the support seat through the cooperation of the fixed frame and the support frame. The use state of the support frame is adjusted later. The support frame rotates through the connecting lugs. After the support frame rotates, the protrusion moves to one end of the fixed seat or the support seat. The protrusion provides a support point between the fixed seat and the tower. The positioning of the protrusion facilitates the quick alignment and limiting of one side of the tower and the fixed seat, and facilitates the quick welding between the fixed seat and the tower in the later stage.
[0016] 2. In this invention, the rotation of the threaded tube drives the threaded column to move inward or outward simultaneously. The movement of the threaded column pushes the rotating tube and the fixed column to move as a whole. The movement of the fixed column causes the connecting lug to tilt the support frame. After the support frame tilts, it achieves rapid tightening and fixing of the fixed seat and the support seat. In addition, the movement of the threaded column provides support force for the threaded rod and the rotating screw tube, so that the rotating screw tube contacts the rotating seat to provide support for the fixed tube. After the fixed tube is supported, it is displaced, and the displaced fixed tube supports both ends of the fixed seat and the support seat. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the welding support and hoisting device for the wind turbine tower frame of the present invention; Figure 2 This is a schematic diagram of the support components of the wind turbine tower door frame welding support and hoisting device of the present invention; Figure 3 This is an enlarged structural diagram of point A of the wind turbine tower frame welding support and hoisting device of the present invention; Figure 4 This is a schematic diagram of the rotating seat of the wind turbine tower portal frame welding support and hoisting device of the present invention; Figure 5 This is a schematic diagram of the rotating tube of the wind turbine tower door frame welding support and hoisting device of the present invention; Figure 6 This is a schematic diagram of the movable rod of the welding support and hoisting device for the wind turbine tower frame of the present invention; Figure 7 This is a schematic diagram of the support frame of the wind turbine tower portal frame welding support and hoisting device of the present invention; Figure 8 This is a schematic diagram of the structure of the wind turbine tower door frame welding support and hoisting device of the present invention, showing the cooperation between the tower and the fixed base. In the diagram: 1. Fixed seat; 2. Support seat; 3. Support assembly; 4. Support rod; 5. Fixed tube; 6. Fixed frame; 7. Lifting lug; 8. Fixed groove; 9. Rotating tube; 10. Fixed column; 11. Support frame; 12. Threaded column; 13. Threaded tube; 14. Connecting lug; 15. Opening; 16. Bearing seat; 17. Threaded rod; 18. Rotating screw tube; 19. Limiting column; 20. Rotating seat; 21. Adjusting screw tube; 22. Adjusting stud; 23. Limiting hole; 24. Movable rod; 25. Tensioning mechanism; 26. Limiting groove; 27. Fixed hole; 28. Movable column; 29. Supporting mechanism; 30. Fixed block; 31. Limiting bolt; 32. Threaded hole; 33. Protrusion; 34. Mounting hole; 35. Tower. Detailed Implementation
[0018] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.
[0019] Please see Figures 1 to 8 This invention provides a technical solution: a welding support and hoisting device for a wind turbine tower frame, comprising a fixed base 1, a support base 2, and a tower 35. A support assembly 3 is movably installed between the fixed base 1 and the support base 2. The support assembly 3 includes a support rod 4, on which a fixed groove 8 is opened. A fixed column 10 is movably installed inside the fixed groove 8. A rotating tube 9 is movably installed between the fixed columns 10. A threaded column 12 is movably installed on the rotating tube 9. An opening 15 is opened on the threaded column 12. The rotating tube 9 is movably installed inside the opening 15. A threaded tube 13 is rotatably installed between the threaded columns 12. Bearing seats 16 are fixed at both ends of the threaded column 12. A threaded rod 17 is fixed on the bearing seat 16. A rotating screw tube 18 is rotatably installed on the threaded rod 17. A limit post 19 is welded to one end of the rotating screw tube 18. After the limit post 19 enters the interior of the limit hole 23, it limits the rotating base 20, preventing the rotating base 20 from rotating and causing loosening between the fixed frames 6.
[0020] In this embodiment, fixed tubes 5 are movably installed at both ends of the support rod 4, and fixed frames 6 are movably installed at both ends of the fixed tubes 5. The fixed frames 6 are movably installed on the sides of the fixed base 1 and the support base 2, respectively. A rotating base 20 is rotatably installed between the fixed tubes 5. An adjusting screw tube 21 is fixed on the rotating base 20. An adjusting stud 22 is rotatably installed inside the adjusting screw tube 21. One end of the adjusting stud 22 is rotatably installed on the fixed frame 6. A limiting hole 23 is opened on the rotating base 20. The limiting hole 23 is movably in contact with the limiting post 19. A movable rod 24 is welded to the side of the fixed tube 5. The movable rod 24 is installed inside the support rod 4 through a tension mechanism 25. The tension mechanism 25 is a tension spring. After the tension spring is stretched and deformed, it generates a rebound force. After the fixed tube 5 loses support, the movable rod 24 drives the fixed tube 5 to move to one end of the support rod 4 for limiting and fixing.
[0021] In this embodiment, a connecting lug 14 is movably mounted on the fixing column 10, and a support frame 11 is welded to the connecting lug 14. The support frame 11 is movably mounted on the side of the fixing base 1 and the support base 2. One end of the support frame 11 has a limiting groove 26, and a fixing block 30 is movably mounted inside the limiting groove 26. A limiting bolt 31 is rotatably mounted on the fixing block 30. A threaded hole 32 is opened inside the limiting groove 26, and one end of the limiting bolt 31 is rotatably mounted inside the threaded hole 32. A protrusion 33 is welded to the fixing block 30, and a mounting hole 34 is opened on the protrusion 33. A fixing hole 27 is opened inside the limiting groove 26, and a support mechanism 29 is fixed inside the fixing hole 27. One end of the support mechanism 29 is fixed with a movable column 28, and one end of the movable column 28 is fixed to the fixed block 30. The fixed seat 1 and the support seat 2 are both arc-shaped curved plates. The tower 35 is movably installed on the side of the fixed seat 1 and the support seat 2. The side of the support rod 4 is welded with a lifting lug 7. The support mechanism 29 is a support spring. The support spring pushes one end of the movable column 28. After the limiting bolt 31 is removed from the threaded hole 32, the fixed block 30 loses its fixing point. The support mechanism 29 pushes the movable column 28 and the fixed block 30 to move outward and open. Later, under the push of the fixed seat 1 or the support seat 2, the fixed block 30 adjusts the exposed height through the support mechanism 29 to achieve adaptive adjustment of the position of the fixed block 30.
[0022] Working principle: In use, the fixed base 1 and the support base 2 are bent to form the desired door frame shape. The support assembly 3 is installed between the fixed base 1 and the support base 2. During installation, the fixing bracket 6 rotates on the adjusting stud 22. The rotation causes the fixing bracket 6 to rotate downwards and move downwards to the space between the fixed base 1 and the support base 2. After the fixing tube 5 is installed inside the fixed base 1 and the support base 2, the fixing bracket 6 is rotated upwards to move to the sides of the fixed base 1 or the support base 2. Similarly, when the support bracket 11 is installed inside the fixed base 1 and the support base 2, the support bracket 11 is slid and misaligned on the fixing post 10 through the connecting lug 14. After misalignment, the support bracket 11 rotates 90 degrees. The support frame 11 enters the interior of the fixed base 1 and the support base 2. After the support frame 11 is moved and installed, it rotates outward to both sides of the fixed base 1 and the support base 2. When the support frame 11 moves to the side of the fixed base 1 and the support base 2, the threaded tube 13 drives the threaded column 12 to rotate and move. The threaded column 12 moves inward or outward at the same time as it rotates. The threaded column 12 drives the rotating tube 9 and the fixed column 10 to move inside the fixed groove 8. As the fixed column 10 moves, the connecting lug 14 drives the support frame 11 to tilt. The tilting of the support frame 11 pushes the fixed base 1 and the support base 2 inward at the same time to tighten and fix them. While the threaded column 12 rotates, it can push the threaded rod 17 and the rotating screw. As the pipe 18 moves, the rotating screw pipe 18 moves down and contacts the rotating seat 20. The rotating seat 20 pushes the fixed pipe 5 up and down. As the fixed pipe 5 moves down, it supports the inner walls of the fixed seat 1 and the support seat 2. Of course, by rotating the screw pipe 18 on the threaded rod 17, when the threaded column 12 does not move, the rotating screw pipe 18 supports the fixed pipe 5 independently under the support of the threaded rod 17. After the two ends of the fixed seat 1 and the support seat 2 are aligned, they are welded. After welding, the fixed seat 1 and the support seat 2 can be lifted and moved by external hoisting equipment in conjunction with the hoisting lugs 7. After the fixed seat 1 and the support seat 2 are welded, they can be installed at the position of the tower 35. Inside the arc-shaped opening, after the fixed seat 1 and the support seat 2 are installed inside the arc-shaped opening, the support frame 11 on one side can be rotated. The support frame 11 rotates and moves to both ends of the fixed seat 1 and the support seat 2. The limiting bolt 31 is removed, and the support mechanism 29 pushes the fixed block 30 to move outward and expose it. The fixed block 30 contacts the inner wall of the fixed seat 1 or the support seat 2. The protrusion 33 moves to the connection between the tower 35 and the fixed seat 1. The protrusion 33 limits the tower 35 and the fixed seat 1 so that their contact points are aligned. After the fixed seat 1 or the support seat 2 is aligned with the arc-shaped opening of the tower 35, the fixed seat 1 and the support seat 2 are pushed to move outward continuously. The protrusion 33 provides a support point for welding.
[0023] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider 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 welding support and hoisting device for a wind turbine tower frame, comprising a fixed base (1), a support base (2), and a tower (35), characterized in that: A support assembly (3) is movably installed between the fixed base (1) and the support base (2). The support assembly (3) includes a support rod (4). A fixed groove (8) is opened on the support rod (4). A fixed column (10) is movably installed inside the fixed groove (8). A rotating tube (9) is movably installed between the fixed columns (10). A threaded column (12) is movably installed on the rotating tube (9). An opening (15) is opened on the threaded column (12). The rotating tube (9) is movably installed inside the opening (15). A threaded tube (13) is rotatably installed between the threaded columns (12). The support rod (4) is movably mounted with a fixing tube (5) at both ends, and a fixing frame (6) is movably mounted at both ends of the fixing tube (5). The fixing frame (6) is movably mounted on the side of the fixing seat (1) and the support seat (2), respectively. A rotating seat (20) is rotatably installed between the fixed tubes (5). An adjusting screw tube (21) is fixed on the rotating seat (20). An adjusting stud (22) is rotatably installed inside the adjusting screw tube (21). One end of the adjusting stud (22) is rotatably installed on the fixed frame (6). A connecting lug (14) is movably installed on the fixed column (10), and a support frame (11) is welded on the connecting lug (14). The support frame (11) is movably installed on the side of the fixed seat (1) and the support seat (2). The support frame (11) rotates through the connecting lug (14), which facilitates the rapid welding between the fixed seat (1) and the tower (35) in the later stage. One end of the support frame (11) has a limiting groove (26), and a fixing block (30) is movably installed inside the limiting groove (26). A limiting bolt (31) is rotatably installed on the fixing block (30), and a threaded hole (32) is opened inside the limiting groove (26). One end of the limiting bolt (31) is rotatably installed inside the threaded hole (32), a protrusion (33) is welded on the fixing block (30), an installation hole (34) is opened on the protrusion (33), and a fixing hole (27) is opened inside the limiting groove (26). A support mechanism (29) is fixed inside the fixing hole (27). The support mechanism (29) is a support spring. A movable column (28) is fixed at one end of the support mechanism (29). One end of the movable column (28) is fixed on the fixing block (30). After the fixed seat (1) and the support seat (2) are welded, they are installed inside the arc-shaped opening at the position of the tower (35). The support frame (11) rotates and moves to both ends of the fixed seat (1) and the support seat (2). The limiting bolt (31) is removed. The support mechanism (29) pushes the fixed block (30) to move outward and expose it. The fixed block (30) contacts the inner wall of the fixed seat (1) or the support seat (2). The protrusion (33) moves to the connection between the tower (35) and the fixed seat (1). The protrusion (33) limits the tower (35) and the fixed seat (1) so that their contact points are aligned.
2. The wind turbine tower frame welding support and hoisting device according to claim 1, characterized in that: Both ends of the threaded column (12) are fixed with bearing seats (16), and a threaded rod (17) is fixed on the bearing seat (16). A rotating screw tube (18) is rotatably installed on the threaded rod (17), and a limit post (19) is welded to one end of the rotating screw tube (18).
3. The wind turbine tower frame welding support and hoisting device according to claim 1, characterized in that: The rotating seat (20) has a limiting hole (23) which is in contact with the limiting post (19). The fixed tube (5) has a movable rod (24) welded to its side. The movable rod (24) is installed inside the support rod (4) through a tension mechanism (25).
4. The wind turbine tower frame welding support and hoisting device according to claim 1, characterized in that: The fixed seat (1) and the support seat (2) are both arc-shaped curved plates. The tower (35) is movably installed on the side of the fixed seat (1) and the support seat (2). The support rod (4) has a lifting lug (7) welded to its side.