Lockset of offshore power generation fan blade hoisting equipment
By using arc-shaped support plates and fixed rings combined with threaded columns, nuts, rotary rings and limiting mechanisms during the lifting process of offshore wind turbines, the problem of shaking and falling of the fan during the lifting process is solved, and the further improvement is achieved Safe and efficient installation process.
Patent Information
- Application Number
- CN202421271278.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the lifting process, the steel ropes are not firmly fixed, which can easily lead to the risk of fan shaking and falling.
设计了一种海上发电扇叶吊装设备锁具,采用弧形支撑板和固定环结合螺纹柱、螺母、旋转环和限位机构,通过第一和第二固定杆对风扇进行上下和水平方向的固定,确保风扇在吊装过程中不晃动。
Effectively prevent the fan from shaking and falling during lifting, improving installation safety and efficiency.
Smart Images

Figure CN222348505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fan blade hoisting, in particular to a lock for offshore power generation fan blade hoisting equipment. Background Art
[0002] Wind power generation is a renewable energy technology that uses wind energy to convert into electrical energy. By using wind turbines, wind energy can be converted into mechanical energy and then further converted into electrical energy. Wind power generation technology has been widely used around the world and has become an important part of clean energy. Due to the rich offshore wind energy resources, offshore wind power generation has gradually become an important direction for the development of renewable energy.
[0003] When installing a wind turbine, first fix the tower in the designated position, then hoist the base and fan blades onto the tower in turn, and then install them in turn. Due to the strong wind at sea, it is more troublesome to assemble a single fan blade. Generally, the fan blade and the base are combined first, and then the base and fan blades are hoisted separately by two hoists, so that the angle of the fan can be changed in the air, making it convenient to hoist the fan onto the tower.
[0004] In the prior art, when installing a fan, a steel rope is mostly used to hang the fan for installation, which is prone to shaking during the hanging process and has the risk of falling. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] The technical problem to be solved by the utility model is that most fans are installed by hanging the fans with steel ropes, which is prone to shaking.
[0007] (II) Technical solution
[0008] To solve the above technical problems, the technical solution provided by the utility model is: a lock for offshore power generation fan blade lifting equipment, comprising a base, three fan blades are fixedly connected to the base, two detachable arc-shaped support plates are provided on the bottom surface of the base, a fixing ring connected to the arc-shaped support plate is provided on the base, a fixing mechanism cooperating with the arc-shaped support plate is provided on the fixing ring, a first fixing rod cooperating with the fan blades is fixedly connected to the fixing ring, a rotating groove is provided on the fixing ring, a rotating ring is rotatably connected in the rotating groove, a second fixing rod cooperating with the fan blades is fixedly connected to the inner side of the rotating ring, the fixing ring is provided with a fan-shaped groove cooperating with the second fixing rod, and the rotating ring is provided with a limiting mechanism for fixing the rotating ring.
[0009] As an improvement, the fixing mechanism includes at least one threaded column on the bottom surface of the fixing ring, the arc-shaped support plate is provided with a socket that cooperates with the threaded column, and one end of the threaded column is threadedly connected to a nut that cooperates with the arc-shaped support plate.
[0010] As an improvement, the limiting mechanism includes a limiting ring on the rotating ring, a limiting groove cooperating with the limiting ring is provided in the rotating groove on the fixed ring, and at least one second bolt is threadedly connected to the rotating ring.
[0011] As an improvement, one side of the first fixing rod and the second fixing rod is provided with an arc column that cooperates with the fan blades.
[0012] As an improvement, a hanging plate is fixedly connected to the fixing ring and the arc-shaped supporting plate, and the hanging plate is provided with hanging holes.
[0013] As an improvement, the two ends of the arc-shaped support plate on one side are fixedly connected with clamping blocks, the arc-shaped support plate on the other side is provided with a clamping groove that cooperates with the clamping block, the arc-shaped support plate on the other side is threadedly connected with a first bolt, and the clamping block is provided with a threaded hole that cooperates with the first bolt.
[0014] (III) Beneficial effects
[0015] The advantages of the utility model compared with the prior art are:
[0016] The fan is fixed up and down by an arc-shaped support plate and a fixing ring, the distance between the arc-shaped support plate and the fixing ring is adjusted by a threaded column, a socket and a nut, the level of the fan is fixed by a first fixing rod and a second fixing rod, the distance between the second fixing rod and the first fixing rod is adjusted by a second bolt, a rotating ring and a limit ring, so as to fix the fan and prevent the fan from shaking during hoisting. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model is a three-dimensional lock for offshore power generation fan blade lifting equipment Figure 1 .
[0018] Figure 2 The utility model discloses an explosion diagram of a lock for offshore power generation fan blade hoisting equipment.
[0019] Figure 3 The utility model is a cross-sectional view of a lock for offshore power generation fan blade hoisting equipment.
[0020] Figure 4 It is an enlarged view of the lock A of the offshore power generation fan blade lifting equipment of the utility model.
[0021] Figure 5 The utility model is a three-dimensional lock for offshore power generation fan blade lifting equipment Figure 2 .
[0022] As shown in the figure: 1. Base; 2. Fan blades; 3. Arc support plate; 4. Block; 5. First bolt; 6. Threaded hole; 7. Lifting hole; 8. Fixing ring; 9. First fixing rod; 10. Rotating groove; 11. Rotating ring; 12. Second fixing rod; 13. Fan-shaped groove; 14. Threaded column; 15. Socket; 16. Nut; 17. Limiting ring; 18. Second bolt; 19. Arc column; 20. Lifting plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] like Figure 1 to Figure 2 As shown, a lock for offshore power generation fan blade hoisting equipment comprises a base 1, three fan blades 2 are fixedly connected to the base 1, the bottom surface of the base 1 is provided with arc-shaped support plates 3 arranged correspondingly on both sides, one side of the arc-shaped support plate 3 is fixedly connected with a clamping block 4 at both ends, the other side of the arc-shaped support plate 3 is provided with a clamping groove matched with the clamping block 4, the other side of the arc-shaped support plate 3 is threadedly connected with a first bolt 5, the clamping block 4 is provided with a threaded hole 6 matched with the first bolt 5, the base 1 is provided with a fixing ring 8, the fixing ring 8 and the arc-shaped support plate 3 are provided with a fixing ring 8, and the fixing ring 8 and the arc-shaped support plate 3 are provided with a fixing ring 8. A hanging plate 20 is fixedly connected, and a hanging hole 7 is provided on the hanging plate 20. The bottom surface of the fixing ring 8 is provided with at least one threaded column 14. The arc-shaped support plate 3 is provided with a socket 15 that cooperates with the threaded column 14. One end of the threaded column 14 is threadedly connected with a nut 16 that cooperates with the arc-shaped support plate 3. The bottom surface of the fan is supported by the arc-shaped support plate 3, and the fan is limited by the fixing ring 8. The fan is fixed by the threaded column 14 and the nut 16, and the fan is conveniently lifted through the hanging hole 7 on the hanging plate 20.
[0025] like Figures 2 to 5As shown, the fixing ring 8 is fixedly connected with a first fixing rod 9 which cooperates with the fan blade 2, the fixing ring 8 is provided with a rotating groove 10, a rotating ring 11 is rotatably connected in the rotating groove 10, a second fixing rod 12 which cooperates with the fan blade 2 is fixedly connected to the inner side of the rotating ring 11, an arc column 19 which cooperates with the fan blade 2 is provided on one side of the first fixing rod 9 and the second fixing rod 12, a fan-shaped groove 13 which cooperates with the second fixing rod 12 is provided on the fixing ring 8, a limiting ring 17 is fixedly connected to the rotating ring 11, a limiting groove which cooperates with the limiting ring 17 is provided in the rotating groove 10 on the fixing ring 8, at least one second bolt 18 is threadedly connected to the rotating ring 11, one end of the second bolt 18 is fitted with the inner wall of the rotating groove 10, the fixing ring 8 is rotated to make the first fixing rod 9 contact with the fan, and then the rotating ring 11 is rotated to make the second fixing rod 12 contact with the fan, thereby fixing the fan in a horizontal direction, and fixing the rotating ring 11 by the second bolt 18.
[0026] After the first bolt 18 is inserted into the second screw hole 6, the threaded column 14 on the bottom of the fixing ring 8 is aligned with the threaded column 14, and the nut 16 is then turned to clamp the fixing ring 8 and the fixing ring 8 to the fixing plate 3. The fixing ring 8 is then turned, and the arc support plate 3 rotates accordingly. The first fixing rod 8 is adjusted to contact the base 1, and the rotating ring 11 is then turned to make the second fixing rod 12 contact the base. The second bolt 18 is then turned to fix the rotating ring 11 to complete the fixation of the base 1. The base 1 and the fan blade 2 are then hoisted through the hoisting hole 7.
[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A lock for offshore power generation fan blade hoisting equipment, comprising a base (1), to which three fan blades (2) are fixedly connected, characterized in that: The bottom surface of the base (1) is provided with two detachable arc-shaped support plates (3), the base (1) is provided with a fixing ring (8) connected to the arc-shaped support plates (3), and the fixing ring (8) is provided with a fixing mechanism that cooperates with the arc-shaped support plates (3); The fixing ring (8) is fixedly connected to a first fixing rod (9) cooperating with the fan blade (2); the fixing ring (8) is provided with a rotating groove (10); a rotating ring (11) is rotatably connected in the rotating groove (10); a second fixing rod (12) cooperating with the fan blade (2) is fixedly connected to the inner side of the rotating ring (11); the fixing ring (8) is provided with a fan-shaped groove (13) cooperating with the second fixing rod (12); and the rotating ring (11) is provided with a limiting mechanism for fixing the rotating ring (11).
2. The lock for offshore power generation fan blade hoisting equipment according to claim 1, characterized in that: The fixing mechanism comprises at least one threaded column (14) on the bottom surface of the fixing ring (8), a socket (15) matching with the threaded column (14) is provided on the arc-shaped support plate (3), and one end of the threaded column (14) is threadedly connected with a nut (16) matching with the arc-shaped support plate (3).
3. The lock for offshore power generation fan blade hoisting equipment according to claim 1, characterized in that: The limiting mechanism comprises a limiting ring (17) on the rotating ring (11); a limiting groove cooperating with the limiting ring (17) is provided on the fixed ring (8) in the rotating groove (10); and at least one second bolt (18) is threadedly connected to the rotating ring (11).
4. The lock for offshore power generation fan blade hoisting equipment according to claim 1, characterized in that: An arc-shaped column (19) that matches the fan blade (2) is provided on one side of the first fixing rod (9) and the second fixing rod (12).
5. The lock for offshore power generation fan blade hoisting equipment according to claim 1, characterized in that: A hanging plate (20) is fixedly connected to the fixing ring (8) and the arc-shaped supporting plate (3), and a hanging hole (7) is provided on the hanging plate (20).
6. The lock for offshore power generation fan blade hoisting equipment according to claim 1, characterized in that: The arc-shaped support plate (3) on one side is fixedly connected to two ends with a clamping block (4), the arc-shaped support plate (3) on the other side is provided with a clamping groove that cooperates with the clamping block (4), the arc-shaped support plate (3) on the other side is threadedly connected to a first bolt (5), and the clamping block (4) is provided with a threaded hole (6) that cooperates with the first bolt (5).